From f6603ff2b7a8e02b748dd1acf00fcde78eb5dbcb Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 12 Jan 2015 12:30:02 +0200
Subject: [PATCH 01/55] ath10k: Fix DMA burst size

A value of zero indicates that 128B is the maximum
DMA request size for read/writes. But PCI cards based
on AR9880 can support 256B, so enable this for
the 10.2 firmware.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/hw.h  | 3 +++
 drivers/net/wireless/ath/ath10k/wmi.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 5729901923ac8..7b771ae7789fb 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -183,6 +183,9 @@ struct ath10k_pktlog_hdr {
 #define TARGET_10X_NUM_MSDU_DESC		(1024 + 400)
 #define TARGET_10X_MAX_FRAG_ENTRIES		0
 
+/* 10.2 parameters */
+#define TARGET_10_2_DMA_BURST_SIZE		1
+
 /* Target specific defines for WMI-TLV firmware */
 #define TARGET_TLV_NUM_VDEVS			3
 #define TARGET_TLV_NUM_STATIONS			32
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index ac742905331bd..b103122c58742 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -3744,7 +3744,7 @@ static struct sk_buff *ath10k_wmi_10_2_op_gen_init(struct ath10k *ar)
 	config.mcast2ucast_mode = __cpu_to_le32(TARGET_10X_MCAST2UCAST_MODE);
 	config.tx_dbg_log_size = __cpu_to_le32(TARGET_10X_TX_DBG_LOG_SIZE);
 	config.num_wds_entries = __cpu_to_le32(TARGET_10X_NUM_WDS_ENTRIES);
-	config.dma_burst_size = __cpu_to_le32(TARGET_10X_DMA_BURST_SIZE);
+	config.dma_burst_size = __cpu_to_le32(TARGET_10_2_DMA_BURST_SIZE);
 	config.mac_aggr_delim = __cpu_to_le32(TARGET_10X_MAC_AGGR_DELIM);
 
 	val = TARGET_10X_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK;

From b6c8e287f6089559146e2a388a63fbe5460d7f44 Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 12 Jan 2015 12:30:02 +0200
Subject: [PATCH 02/55] ath10k: Enable RX batching

This feature allows the FW to batch RX indications,
reducing the rate of host interrupt generation, which
in turn reduces CPU load. Currently, this is enabled
only for the 10.2 firmware.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index b103122c58742..c56d2fa5edb8e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -3710,7 +3710,7 @@ static struct sk_buff *ath10k_wmi_10_2_op_gen_init(struct ath10k *ar)
 	struct wmi_init_cmd_10_2 *cmd;
 	struct sk_buff *buf;
 	struct wmi_resource_config_10x config = {};
-	u32 len, val;
+	u32 len, val, features;
 
 	config.num_vdevs = __cpu_to_le32(TARGET_10X_NUM_VDEVS);
 	config.num_peers = __cpu_to_le32(TARGET_10X_NUM_PEERS);
@@ -3764,6 +3764,9 @@ static struct sk_buff *ath10k_wmi_10_2_op_gen_init(struct ath10k *ar)
 
 	cmd = (struct wmi_init_cmd_10_2 *)buf->data;
 
+	features = WMI_10_2_RX_BATCH_MODE;
+	cmd->resource_config.feature_mask = __cpu_to_le32(features);
+
 	memcpy(&cmd->resource_config.common, &config, sizeof(config));
 	ath10k_wmi_put_host_mem_chunks(ar, &cmd->mem_chunks);
 

From dc8ab27861b2c1277bd9603a85f317708149d844 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:25 +0200
Subject: [PATCH 03/55] ath10k: add wmi support for addba_clear_resp

Add WMI support for clearing addba response before switching aggregation
mode (auto/manual) for debugging purpose.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 18 +++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  1 +
 drivers/net/wireless/ath/ath10k/wmi.c     | 28 +++++++++++++++++++++++
 3 files changed, 47 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 20e2c3002bb57..b161043c77407 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -119,6 +119,8 @@ struct wmi_ops {
 						   u32 next_offset,
 						   u32 enabled);
 	struct sk_buff *(*gen_pdev_get_temperature)(struct ath10k *ar);
+	struct sk_buff *(*gen_addba_clear_resp)(struct ath10k *ar, u32 vdev_id,
+						const u8 *mac);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -857,4 +859,20 @@ ath10k_wmi_pdev_get_temperature(struct ath10k *ar)
 				   ar->wmi.cmd->pdev_get_temperature_cmdid);
 }
 
+static inline int
+ath10k_wmi_addba_clear_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_addba_clear_resp)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_addba_clear_resp(ar, vdev_id, mac);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb,
+				   ar->wmi.cmd->addba_clear_resp_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 4c050cec39661..499a7797b4dea 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2207,6 +2207,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_pktlog_disable = ath10k_wmi_tlv_op_gen_pktlog_disable,
 	/* .gen_pdev_set_quiet_mode not implemented */
 	/* .gen_pdev_get_temperature not implemented */
+	/* .gen_addba_clear_resp not implemented */
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index c56d2fa5edb8e..47ef1a9ada219 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4880,6 +4880,30 @@ ath10k_wmi_op_gen_pdev_set_quiet_mode(struct ath10k *ar, u32 period,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_op_gen_addba_clear_resp(struct ath10k *ar, u32 vdev_id,
+				   const u8 *mac)
+{
+	struct wmi_addba_clear_resp_cmd *cmd;
+	struct sk_buff *skb;
+
+	if (!mac)
+		return ERR_PTR(-EINVAL);
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	cmd = (struct wmi_addba_clear_resp_cmd *)skb->data;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	ether_addr_copy(cmd->peer_macaddr.addr, mac);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi addba clear resp vdev_id 0x%X mac_addr %pM\n",
+		   vdev_id, mac);
+	return skb;
+}
+
 static const struct wmi_ops wmi_ops = {
 	.rx = ath10k_wmi_op_rx,
 	.map_svc = wmi_main_svc_map,
@@ -4931,6 +4955,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	/* .gen_pdev_get_temperature not implemented */
+	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -4985,6 +5010,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
+	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5040,6 +5066,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
+	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 };
 
 static const struct wmi_ops wmi_10_2_4_ops = {
@@ -5095,6 +5122,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_pktlog_enable = ath10k_wmi_op_gen_pktlog_enable,
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
+	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From 65c0893d91b33018e8eaacc6aeb777c5faf6a094 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:26 +0200
Subject: [PATCH 04/55] ath10k: add wmi support for addba_send

Add WMI support for sending addba request. This command is meant
for debugging purpose.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 19 ++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  1 +
 drivers/net/wireless/ath/ath10k/wmi.c     | 30 +++++++++++++++++++++++
 3 files changed, 50 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index b161043c77407..badf4223335c6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -121,6 +121,8 @@ struct wmi_ops {
 	struct sk_buff *(*gen_pdev_get_temperature)(struct ath10k *ar);
 	struct sk_buff *(*gen_addba_clear_resp)(struct ath10k *ar, u32 vdev_id,
 						const u8 *mac);
+	struct sk_buff *(*gen_addba_send)(struct ath10k *ar, u32 vdev_id,
+					  const u8 *mac, u32 tid, u32 buf_size);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -875,4 +877,21 @@ ath10k_wmi_addba_clear_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac)
 				   ar->wmi.cmd->addba_clear_resp_cmdid);
 }
 
+static inline int
+ath10k_wmi_addba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+		      u32 tid, u32 buf_size)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_addba_send)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_addba_send(ar, vdev_id, mac, tid, buf_size);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb,
+				   ar->wmi.cmd->addba_send_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 499a7797b4dea..74a0598634ed3 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2208,6 +2208,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_pdev_set_quiet_mode not implemented */
 	/* .gen_pdev_get_temperature not implemented */
 	/* .gen_addba_clear_resp not implemented */
+	/* .gen_addba_send not implemented */
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 47ef1a9ada219..980d6ee82cc6b 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4904,6 +4904,32 @@ ath10k_wmi_op_gen_addba_clear_resp(struct ath10k *ar, u32 vdev_id,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_op_gen_addba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+			     u32 tid, u32 buf_size)
+{
+	struct wmi_addba_send_cmd *cmd;
+	struct sk_buff *skb;
+
+	if (!mac)
+		return ERR_PTR(-EINVAL);
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	cmd = (struct wmi_addba_send_cmd *)skb->data;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	ether_addr_copy(cmd->peer_macaddr.addr, mac);
+	cmd->tid = __cpu_to_le32(tid);
+	cmd->buffersize = __cpu_to_le32(buf_size);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi addba send vdev_id 0x%X mac_addr %pM tid %u bufsize %u\n",
+		   vdev_id, mac, tid, buf_size);
+	return skb;
+}
+
 static const struct wmi_ops wmi_ops = {
 	.rx = ath10k_wmi_op_rx,
 	.map_svc = wmi_main_svc_map,
@@ -4956,6 +4982,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	/* .gen_pdev_get_temperature not implemented */
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
+	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5011,6 +5038,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
+	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5067,6 +5095,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
+	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 };
 
 static const struct wmi_ops wmi_10_2_4_ops = {
@@ -5123,6 +5152,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_pktlog_disable = ath10k_wmi_op_gen_pktlog_disable,
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
+	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From 11597413b22d1a2ee02501d4167ae712a2b7929e Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:26 +0200
Subject: [PATCH 05/55] ath10k: add wmi support for addba_set_resp

Add WMI support for sending addba response manually. This command
is used for debugging purpose.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 20 +++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  1 +
 drivers/net/wireless/ath/ath10k/wmi.c     | 30 +++++++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index badf4223335c6..e8f49de183699 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -123,6 +123,9 @@ struct wmi_ops {
 						const u8 *mac);
 	struct sk_buff *(*gen_addba_send)(struct ath10k *ar, u32 vdev_id,
 					  const u8 *mac, u32 tid, u32 buf_size);
+	struct sk_buff *(*gen_addba_set_resp)(struct ath10k *ar, u32 vdev_id,
+					      const u8 *mac, u32 tid,
+					      u32 status);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -894,4 +897,21 @@ ath10k_wmi_addba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 				   ar->wmi.cmd->addba_send_cmdid);
 }
 
+static inline int
+ath10k_wmi_addba_set_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+			  u32 tid, u32 status)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_addba_set_resp)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_addba_set_resp(ar, vdev_id, mac, tid, status);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb,
+				   ar->wmi.cmd->addba_set_resp_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 74a0598634ed3..63f98600cc05c 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2209,6 +2209,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_pdev_get_temperature not implemented */
 	/* .gen_addba_clear_resp not implemented */
 	/* .gen_addba_send not implemented */
+	/* .gen_addba_set_resp not implemented */
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 980d6ee82cc6b..9872181d33aa4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4930,6 +4930,32 @@ ath10k_wmi_op_gen_addba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_op_gen_addba_set_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+				 u32 tid, u32 status)
+{
+	struct wmi_addba_setresponse_cmd *cmd;
+	struct sk_buff *skb;
+
+	if (!mac)
+		return ERR_PTR(-EINVAL);
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	cmd = (struct wmi_addba_setresponse_cmd *)skb->data;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	ether_addr_copy(cmd->peer_macaddr.addr, mac);
+	cmd->tid = __cpu_to_le32(tid);
+	cmd->statuscode = __cpu_to_le32(status);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi addba set resp vdev_id 0x%X mac_addr %pM tid %u status %u\n",
+		   vdev_id, mac, tid, status);
+	return skb;
+}
+
 static const struct wmi_ops wmi_ops = {
 	.rx = ath10k_wmi_op_rx,
 	.map_svc = wmi_main_svc_map,
@@ -4983,6 +5009,7 @@ static const struct wmi_ops wmi_ops = {
 	/* .gen_pdev_get_temperature not implemented */
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
+	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5039,6 +5066,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
+	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5096,6 +5124,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
+	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 };
 
 static const struct wmi_ops wmi_10_2_4_ops = {
@@ -5153,6 +5182,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_pdev_set_quiet_mode = ath10k_wmi_op_gen_pdev_set_quiet_mode,
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
+	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From 50abef85e7cc7576b37ba8dbe480f0537fe74d6d Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:26 +0200
Subject: [PATCH 06/55] ath10k: add wmi support for delba_send

Add WMI support for sending delba request. This command is used for
debugging purpose.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 21 +++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  1 +
 drivers/net/wireless/ath/ath10k/wmi.c     | 31 +++++++++++++++++++++++
 3 files changed, 53 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index e8f49de183699..3a3d15e65e0af 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -126,6 +126,9 @@ struct wmi_ops {
 	struct sk_buff *(*gen_addba_set_resp)(struct ath10k *ar, u32 vdev_id,
 					      const u8 *mac, u32 tid,
 					      u32 status);
+	struct sk_buff *(*gen_delba_send)(struct ath10k *ar, u32 vdev_id,
+					  const u8 *mac, u32 tid, u32 initiator,
+					  u32 reason);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -914,4 +917,22 @@ ath10k_wmi_addba_set_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 				   ar->wmi.cmd->addba_set_resp_cmdid);
 }
 
+static inline int
+ath10k_wmi_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+		      u32 tid, u32 initiator, u32 reason)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_delba_send)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_delba_send(ar, vdev_id, mac, tid, initiator,
+					  reason);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb,
+				   ar->wmi.cmd->delba_send_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 63f98600cc05c..57d2b50c1f007 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2210,6 +2210,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_addba_clear_resp not implemented */
 	/* .gen_addba_send not implemented */
 	/* .gen_addba_set_resp not implemented */
+	/* .gen_delba_send not implemented */
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 9872181d33aa4..2d3c700e2cbb1 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4956,6 +4956,33 @@ ath10k_wmi_op_gen_addba_set_resp(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_op_gen_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
+			     u32 tid, u32 initiator, u32 reason)
+{
+	struct wmi_delba_send_cmd *cmd;
+	struct sk_buff *skb;
+
+	if (!mac)
+		return ERR_PTR(-EINVAL);
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	cmd = (struct wmi_delba_send_cmd *)skb->data;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	ether_addr_copy(cmd->peer_macaddr.addr, mac);
+	cmd->tid = __cpu_to_le32(tid);
+	cmd->initiator = __cpu_to_le32(initiator);
+	cmd->reasoncode = __cpu_to_le32(reason);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi delba send vdev_id 0x%X mac_addr %pM tid %u initiator %u reason %u\n",
+		   vdev_id, mac, tid, initiator, reason);
+	return skb;
+}
+
 static const struct wmi_ops wmi_ops = {
 	.rx = ath10k_wmi_op_rx,
 	.map_svc = wmi_main_svc_map,
@@ -5010,6 +5037,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
+	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5067,6 +5095,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
+	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5125,6 +5154,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
+	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 };
 
 static const struct wmi_ops wmi_10_2_4_ops = {
@@ -5183,6 +5213,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_addba_clear_resp = ath10k_wmi_op_gen_addba_clear_resp,
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
+	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From f5045988b937e4801e3185f9d95c34a7c050b681 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:27 +0200
Subject: [PATCH 07/55] ath10k: Implement sta_add_debugfs

Add per station debugfs files when a station is added to mac80211's
station list. This helps to group peer specific debugfs entries
altogether. Right now this callback adds support to test aggregation
procedures (addba/addba_resp/delba) manually.

To enable automatic aggregation in target,
echo 0 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	stations/XX:XX:XX:XX:XX:XX/aggr_mode

For manual mode,
echo 1 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	stations/XX:XX:XX:XX:XX:XX/aggr_mode

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/Makefile      |  1 +
 drivers/net/wireless/ath/ath10k/core.h        |  5 ++
 drivers/net/wireless/ath/ath10k/debug.h       | 11 ++-
 drivers/net/wireless/ath/ath10k/debugfs_sta.c | 88 +++++++++++++++++++
 drivers/net/wireless/ath/ath10k/mac.c         |  3 +
 5 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/wireless/ath/ath10k/debugfs_sta.c

diff --git a/drivers/net/wireless/ath/ath10k/Makefile b/drivers/net/wireless/ath/ath10k/Makefile
index ffa3b1a8745f0..6c0c23e79bdaf 100644
--- a/drivers/net/wireless/ath/ath10k/Makefile
+++ b/drivers/net/wireless/ath/ath10k/Makefile
@@ -15,6 +15,7 @@ ath10k_core-$(CONFIG_ATH10K_DEBUGFS) += spectral.o
 ath10k_core-$(CONFIG_NL80211_TESTMODE) += testmode.o
 ath10k_core-$(CONFIG_ATH10K_TRACING) += trace.o
 ath10k_core-$(CONFIG_THERMAL) += thermal.o
+ath10k_core-$(CONFIG_MAC80211_DEBUGFS) += debugfs_sta.o
 
 obj-$(CONFIG_ATH10K_PCI) += ath10k_pci.o
 ath10k_pci-y += pci.o \
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 7b6d9e4567a3c..c5686122b1408 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -239,6 +239,11 @@ struct ath10k_sta {
 	u32 smps;
 
 	struct work_struct update_wk;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	/* protected by conf_mutex */
+	bool aggr_mode;
+#endif
 };
 
 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index 1b87a5dbec53c..a12b8323f9f10 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -48,6 +48,12 @@ enum ath10k_pktlog_filter {
 	ATH10K_PKTLOG_ANY        = 0x00000001f,
 };
 
+enum ath10k_dbg_aggr_mode {
+	ATH10K_DBG_AGGR_MODE_AUTO,
+	ATH10K_DBG_AGGR_MODE_MANUAL,
+	ATH10K_DBG_AGGR_MODE_MAX,
+};
+
 extern unsigned int ath10k_debug_mask;
 
 __printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...);
@@ -77,7 +83,6 @@ int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
 void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
 			       struct ieee80211_vif *vif,
 			       struct ethtool_stats *stats, u64 *data);
-
 #else
 static inline int ath10k_debug_start(struct ath10k *ar)
 {
@@ -129,6 +134,10 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
 #define ath10k_debug_get_et_stats NULL
 
 #endif /* CONFIG_ATH10K_DEBUGFS */
+#ifdef CONFIG_MAC80211_DEBUGFS
+void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    struct ieee80211_sta *sta, struct dentry *dir);
+#endif /* CONFIG_MAC80211_DEBUGFS */
 
 #ifdef CONFIG_ATH10K_DEBUG
 __printf(3, 4) void ath10k_dbg(struct ath10k *ar,
diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
new file mode 100644
index 0000000000000..5df967387532c
--- /dev/null
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "core.h"
+#include "wmi-ops.h"
+#include "debug.h"
+
+static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
+					     char __user *user_buf,
+					     size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	char buf[32];
+	int len = 0;
+
+	mutex_lock(&ar->conf_mutex);
+	len = scnprintf(buf, sizeof(buf) - len, "aggregation mode: %s\n",
+			(arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
+			"auto" : "manual");
+	mutex_unlock(&ar->conf_mutex);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file,
+					      const char __user *user_buf,
+					      size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 aggr_mode;
+	int ret;
+
+	if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
+		return -EINVAL;
+
+	if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (aggr_mode == arsta->aggr_mode)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
+	if (ret) {
+		ath10k_warn(ar, "failed to clear addba session ret: %d\n", ret);
+		goto out;
+	}
+
+	arsta->aggr_mode = aggr_mode;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_aggr_mode = {
+	.read = ath10k_dbg_sta_read_aggr_mode,
+	.write = ath10k_dbg_sta_write_aggr_mode,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			    struct ieee80211_sta *sta, struct dentry *dir)
+{
+	debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,
+			    &fops_aggr_mode);
+}
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 5085f558d0101..c7febfc9c68fc 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4746,6 +4746,9 @@ static const struct ieee80211_ops ath10k_ops = {
 	.suspend			= ath10k_suspend,
 	.resume				= ath10k_resume,
 #endif
+#ifdef CONFIG_MAC80211_DEBUGFS
+	.sta_add_debugfs		= ath10k_sta_add_debugfs,
+#endif
 };
 
 #define RATETAB_ENT(_rate, _rateid, _flags) { \

From 8bf8f190febcd2b4544d5fa13ed0809e2e92f53b Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:27 +0200
Subject: [PATCH 08/55] ath10k: add support to send addba request

This per-station debugfs entry helps to send addba request in manual
mode. Need to pass two configuration parameters (tid, buffer size)
as input.

To send addba,

echo 1 32 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	   stations/XX:XX:XX:XX:XX:XX/addba

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/debugfs_sta.c | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
index 5df967387532c..23d81a2442017 100644
--- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -80,9 +80,61 @@ static const struct file_operations fops_aggr_mode = {
 	.llseek = default_llseek,
 };
 
+static ssize_t ath10k_dbg_sta_write_addba(struct file *file,
+					  const char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, buf_size;
+	int ret;
+	char buf[64];
+
+	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+
+	/* make sure that buf is null terminated */
+	buf[sizeof(buf) - 1] = '\0';
+
+	ret = sscanf(buf, "%u %u", &tid, &buf_size);
+	if (ret != 2)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr,
+				    tid, buf_size);
+	if (ret) {
+		ath10k_warn(ar, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, buf_size);
+	}
+
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_addba = {
+	.write = ath10k_dbg_sta_write_addba,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir)
 {
 	debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,
 			    &fops_aggr_mode);
+	debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba);
 }

From 8e68d55f5e4a0444a569ecf605f482b9af0b9264 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:27 +0200
Subject: [PATCH 09/55] ath10k: add support to send addba response

This per-station debugfs entry helps to send addba response in
manual mode for debugging purpose. It accepts tid and status code
as input arguments.

To send addba response,

echo 0 25 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	   stations/XX:XX:XX:XX:XX:XX/addba_resp

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/debugfs_sta.c | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
index 23d81a2442017..31a72d41addd8 100644
--- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -131,10 +131,61 @@ static const struct file_operations fops_addba = {
 	.llseek = default_llseek,
 };
 
+static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file,
+					       const char __user *user_buf,
+					       size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, status;
+	int ret;
+	char buf[64];
+
+	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+
+	/* make sure that buf is null terminated */
+	buf[sizeof(buf) - 1] = '\0';
+
+	ret = sscanf(buf, "%u %u", &tid, &status);
+	if (ret != 2)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
+					tid, status);
+	if (ret) {
+		ath10k_warn(ar, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, status);
+	}
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_addba_resp = {
+	.write = ath10k_dbg_sta_write_addba_resp,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir)
 {
 	debugfs_create_file("aggr_mode", S_IRUGO | S_IWUSR, dir, sta,
 			    &fops_aggr_mode);
 	debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba);
+	debugfs_create_file("addba_resp", S_IWUSR, dir, sta, &fops_addba_resp);
 }

From da2aedcadbe2e03db78b30adccbdba77e25f406b Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 12 Jan 2015 14:07:28 +0200
Subject: [PATCH 10/55] ath10k: add support to send delba

This per-station debugfs entry helps to send delba in manual mode
for debugging purpose. It accepts tid, initiator and reason code
as inputs.

To send delba,

echo 0 1 37 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/
	     stations/XX:XX:XX:XX:XX:XX/delba

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/debugfs_sta.c | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
index 31a72d41addd8..95b5c49374e0c 100644
--- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -181,6 +181,57 @@ static const struct file_operations fops_addba_resp = {
 	.llseek = default_llseek,
 };
 
+static ssize_t ath10k_dbg_sta_write_delba(struct file *file,
+					  const char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k *ar = arsta->arvif->ar;
+	u32 tid, initiator, reason;
+	int ret;
+	char buf[64];
+
+	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+
+	/* make sure that buf is null terminated */
+	buf[sizeof(buf) - 1] = '\0';
+
+	ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
+	if (ret != 3)
+		return -EINVAL;
+
+	/* Valid TID values are 0 through 15 */
+	if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
+		return -EINVAL;
+
+	mutex_lock(&ar->conf_mutex);
+	if ((ar->state != ATH10K_STATE_ON) ||
+	    (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
+		ret = count;
+		goto out;
+	}
+
+	ret = ath10k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
+				    tid, initiator, reason);
+	if (ret) {
+		ath10k_warn(ar, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
+			    arsta->arvif->vdev_id, sta->addr, tid, initiator,
+			    reason);
+	}
+	ret = count;
+out:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static const struct file_operations fops_delba = {
+	.write = ath10k_dbg_sta_write_delba,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir)
 {
@@ -188,4 +239,5 @@ void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    &fops_aggr_mode);
 	debugfs_create_file("addba", S_IWUSR, dir, sta, &fops_addba);
 	debugfs_create_file("addba_resp", S_IWUSR, dir, sta, &fops_addba_resp);
+	debugfs_create_file("delba", S_IWUSR, dir, sta, &fops_delba);
 }

From 8be3b69259ce2b9efc9a822ff3bf48a42460f133 Mon Sep 17 00:00:00 2001
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Mon, 29 Dec 2014 18:04:43 +0100
Subject: [PATCH 11/55] ath10k: fix error return code

Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt_tx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index a1bda41fb543e..5c64139161fc2 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -475,8 +475,10 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 
 	skb_cb->htt.txbuf = dma_pool_alloc(htt->tx_pool, GFP_ATOMIC,
 					   &paddr);
-	if (!skb_cb->htt.txbuf)
+	if (!skb_cb->htt.txbuf) {
+		res = -ENOMEM;
 		goto err_free_msdu_id;
+	}
 	skb_cb->htt.txbuf_paddr = paddr;
 
 	skb_cb->paddr = dma_map_single(dev, msdu->data, msdu->len,

From c3ebfede463ca071ae42d5b5aa3b6cb89c592951 Mon Sep 17 00:00:00 2001
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Mon, 5 Jan 2015 10:10:22 +0530
Subject: [PATCH 12/55] ath10k: Remove unused htt->max_throughput_mbps

htt->max_throughput_mbps is not used anywhere.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt.c | 1 -
 drivers/net/wireless/ath/ath10k/htt.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c
index 56cb4aceb3831..ceec76426070c 100644
--- a/drivers/net/wireless/ath/ath10k/htt.c
+++ b/drivers/net/wireless/ath/ath10k/htt.c
@@ -53,7 +53,6 @@ int ath10k_htt_init(struct ath10k *ar)
 	struct ath10k_htt *htt = &ar->htt;
 
 	htt->ar = ar;
-	htt->max_throughput_mbps = 800;
 
 	/*
 	 * Prefetch enough data to satisfy target
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 1bd5545af9039..8809b37e19125 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -1182,7 +1182,6 @@ struct ath10k_htt {
 	struct ath10k *ar;
 	enum ath10k_htc_ep_id eid;
 
-	int max_throughput_mbps;
 	u8 target_version_major;
 	u8 target_version_minor;
 	struct completion target_version_received;

From 49274332a43a70b3a3f40ba6db14d9c0677e8e02 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Thu, 8 Jan 2015 11:36:56 +0100
Subject: [PATCH 13/55] ath10k: fill max_num_vdevs for wmi-tlv

Recent commit
30c78167bc6536d9074aa79385a575596343bf69 ("ath10k:
set max_num_vdevs based on wmi op version")
skipped wmi-tlv case and left max_num_vdevs reset.
Make sure it is properly set.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 2d0671ebcf2b3..a5465752a3ff1 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -927,6 +927,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar)
 	case ATH10K_FW_WMI_OP_VERSION_TLV:
 		ar->max_num_peers = TARGET_TLV_NUM_PEERS;
 		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
+		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
 		ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
 		break;
 	case ATH10K_FW_WMI_OP_VERSION_UNSET:

From 38e2a644174e74f948ec4415ae5b5c76f1412b0e Mon Sep 17 00:00:00 2001
From: Nicholas Mc Guire <der.herr@hofr.at>
Date: Thu, 8 Jan 2015 13:27:34 +0100
Subject: [PATCH 14/55] ath10k: fixup wait_for_completion_timeout return
 handling

wait_for_completion_timeout does not return negative values so the tests
for <= 0 are not needed and the case differentiation in the error handling
path unnecessary.

Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/debug.c | 2 +-
 drivers/net/wireless/ath/ath10k/htc.c   | 6 ++----
 drivers/net/wireless/ath/ath10k/htt.c   | 2 +-
 drivers/net/wireless/ath/ath10k/mac.c   | 2 +-
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 6ca24427e1848..42b2e49b28366 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -371,7 +371,7 @@ static int ath10k_debug_fw_stats_request(struct ath10k *ar)
 
 		ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete,
 						  1*HZ);
-		if (ret <= 0)
+		if (ret == 0)
 			return -ETIMEDOUT;
 
 		spin_lock_bh(&ar->data_lock);
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
index f1946a6be442c..2fd9e180272b3 100644
--- a/drivers/net/wireless/ath/ath10k/htc.c
+++ b/drivers/net/wireless/ath/ath10k/htc.c
@@ -703,11 +703,9 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
 	/* wait for response */
 	status = wait_for_completion_timeout(&htc->ctl_resp,
 					     ATH10K_HTC_CONN_SVC_TIMEOUT_HZ);
-	if (status <= 0) {
-		if (status == 0)
-			status = -ETIMEDOUT;
+	if (status == 0) {
 		ath10k_err(ar, "Service connect timeout: %d\n", status);
-		return status;
+		return -ETIMEDOUT;
 	}
 
 	/* we controlled the buffer creation, it's aligned */
diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c
index ceec76426070c..4f59ab923e484 100644
--- a/drivers/net/wireless/ath/ath10k/htt.c
+++ b/drivers/net/wireless/ath/ath10k/htt.c
@@ -101,7 +101,7 @@ int ath10k_htt_setup(struct ath10k_htt *htt)
 
 	status = wait_for_completion_timeout(&htt->target_version_received,
 					     HTT_TARGET_VERSION_TIMEOUT_HZ);
-	if (status <= 0) {
+	if (status == 0) {
 		ath10k_warn(ar, "htt version request timed out\n");
 		return -ETIMEDOUT;
 	}
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index c7febfc9c68fc..b403cba0afc1e 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2228,7 +2228,7 @@ void ath10k_offchan_tx_work(struct work_struct *work)
 
 		ret = wait_for_completion_timeout(&ar->offchan_tx_completed,
 						  3 * HZ);
-		if (ret <= 0)
+		if (ret == 0)
 			ath10k_warn(ar, "timed out waiting for offchannel skb %p\n",
 				    skb);
 

From 5de6dfc82f715b9fe9cf5c0cccce4384a82279ef Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Date: Fri, 9 Jan 2015 22:49:46 +0530
Subject: [PATCH 15/55] ath10k: Fix potential Rx ring corruption

When replenishing Rx buffers driver updates the address of the
buffer and the index of rx buffer in rx ring to the firmware.
Change in order by CPU can cause rx ring corruption. Add memory
barrier before updating rx buffer index to guarantee the order.

This could fix some instances of rx ring corruption due to done
bit in rx attention flag not set.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt_rx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 9c782a42665e1..baa1c447a3b80 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -97,6 +97,11 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num)
 	}
 
 fail:
+	/*
+	 * Make sure the rx buffer is updated before available buffer
+	 * index to avoid any potential rx ring corruption.
+	 */
+	mb();
 	*htt->rx_ring.alloc_idx.vaddr = __cpu_to_le32(idx);
 	return ret;
 }

From a4031afbdc7bfdf26b98b160a5fca05b9cf38140 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Tue, 13 Jan 2015 14:21:45 +0530
Subject: [PATCH 16/55] ath10k: fix config_enabled check for hwmon

Because of wrong macro check in commit 96bba98393f9 ("ath10k: fix build error
when hwmon is off"), hwmon never be enabled. Fix that.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/thermal.c b/drivers/net/wireless/ath/ath10k/thermal.c
index b14ae8d135f63..c384c79975ba6 100644
--- a/drivers/net/wireless/ath/ath10k/thermal.c
+++ b/drivers/net/wireless/ath/ath10k/thermal.c
@@ -215,7 +215,7 @@ int ath10k_thermal_register(struct ath10k *ar)
 
 	/* Avoid linking error on devm_hwmon_device_register_with_groups, I
 	 * guess linux/hwmon.h is missing proper stubs. */
-	if (!config_enabled(HWMON))
+	if (!config_enabled(CONFIG_HWMON))
 		return 0;
 
 	hwmon_dev = devm_hwmon_device_register_with_groups(ar->dev,

From 6bf1206289115c277cfa569f570a97ada345a2d5 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Tue, 13 Jan 2015 16:30:10 +0200
Subject: [PATCH 17/55] ath10k: implement new beacon tx status event

This event is delivered to host by firmware if it
supports beacon templates only.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 50 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h | 12 ++++++
 2 files changed, 62 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 57d2b50c1f007..67138a69bb429 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -58,6 +58,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = {
 		= { .min_len = sizeof(struct wlan_host_mem_req) },
 	[WMI_TLV_TAG_STRUCT_READY_EVENT]
 		= { .min_len = sizeof(struct wmi_tlv_rdy_ev) },
+	[WMI_TLV_TAG_STRUCT_OFFLOAD_BCN_TX_STATUS_EVENT]
+		= { .min_len = sizeof(struct wmi_tlv_bcn_tx_status_ev) },
 };
 
 static int
@@ -156,6 +158,51 @@ static u16 ath10k_wmi_tlv_len(const void *ptr)
 	return __le16_to_cpu((((const struct wmi_tlv *)ptr) - 1)->len);
 }
 
+/**************/
+/* TLV events */
+/**************/
+static int ath10k_wmi_tlv_event_bcn_tx_status(struct ath10k *ar,
+					      struct sk_buff *skb)
+{
+	const void **tb;
+	const struct wmi_tlv_bcn_tx_status_ev *ev;
+	u32 vdev_id, tx_status;
+	int ret;
+
+	tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
+		return ret;
+	}
+
+	ev = tb[WMI_TLV_TAG_STRUCT_OFFLOAD_BCN_TX_STATUS_EVENT];
+	if (!ev) {
+		kfree(tb);
+		return -EPROTO;
+	}
+
+	tx_status = __le32_to_cpu(ev->tx_status);
+	vdev_id = __le32_to_cpu(ev->vdev_id);
+
+	switch (tx_status) {
+	case WMI_TLV_BCN_TX_STATUS_OK:
+		break;
+	case WMI_TLV_BCN_TX_STATUS_XRETRY:
+	case WMI_TLV_BCN_TX_STATUS_DROP:
+	case WMI_TLV_BCN_TX_STATUS_FILTERED:
+		/* FIXME: It's probably worth telling mac80211 to stop the
+		 * interface as it is crippled.
+		 */
+		ath10k_warn(ar, "received bcn tmpl tx status on vdev %i: %d",
+			    vdev_id, tx_status);
+		break;
+	}
+
+	kfree(tb);
+	return 0;
+}
+
 /***********/
 /* TLV ops */
 /***********/
@@ -268,6 +315,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
 	case WMI_TLV_READY_EVENTID:
 		ath10k_wmi_event_ready(ar, skb);
 		break;
+	case WMI_TLV_OFFLOAD_BCN_TX_STATUS_EVENTID:
+		ath10k_wmi_tlv_event_bcn_tx_status(ar, skb);
+		break;
 	default:
 		ath10k_warn(ar, "Unknown eventid: %d\n", id);
 		break;
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 54ffa120cd602..ee19353ce65ca 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1375,6 +1375,18 @@ struct wmi_tlv_pktlog_disable {
 	__le32 reserved;
 } __packed;
 
+enum wmi_tlv_bcn_tx_status {
+	WMI_TLV_BCN_TX_STATUS_OK,
+	WMI_TLV_BCN_TX_STATUS_XRETRY,
+	WMI_TLV_BCN_TX_STATUS_DROP,
+	WMI_TLV_BCN_TX_STATUS_FILTERED,
+};
+
+struct wmi_tlv_bcn_tx_status_ev {
+	__le32 vdev_id;
+	__le32 tx_status;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif

From be9ce9d8c196bf150eace10aaf43110672d6eb4c Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Tue, 13 Jan 2015 16:30:11 +0200
Subject: [PATCH 18/55] ath10k: implement beacon template command

New firmware revisions may support setting beacon
template. Implement wmi interface for it.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 23 ++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 65 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h | 12 +++++
 drivers/net/wireless/ath/ath10k/wmi.c     |  3 ++
 4 files changed, 103 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 3a3d15e65e0af..546970259de29 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -129,6 +129,10 @@ struct wmi_ops {
 	struct sk_buff *(*gen_delba_send)(struct ath10k *ar, u32 vdev_id,
 					  const u8 *mac, u32 tid, u32 initiator,
 					  u32 reason);
+	struct sk_buff *(*gen_bcn_tmpl)(struct ath10k *ar, u32 vdev_id,
+					u32 tim_ie_offset, struct sk_buff *bcn,
+					u32 prb_caps, u32 prb_erp,
+					void *prb_ies, size_t prb_ies_len);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -935,4 +939,23 @@ ath10k_wmi_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 				   ar->wmi.cmd->delba_send_cmdid);
 }
 
+static inline int
+ath10k_wmi_bcn_tmpl(struct ath10k *ar, u32 vdev_id, u32 tim_ie_offset,
+		    struct sk_buff *bcn, u32 prb_caps, u32 prb_erp,
+		    void *prb_ies, size_t prb_ies_len)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_bcn_tmpl)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_bcn_tmpl(ar, vdev_id, tim_ie_offset, bcn,
+					prb_caps, prb_erp, prb_ies,
+					prb_ies_len);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->bcn_tmpl_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 67138a69bb429..08a9b2b35d067 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1972,6 +1972,70 @@ ath10k_wmi_tlv_op_gen_pktlog_disable(struct ath10k *ar)
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_bcn_tmpl(struct ath10k *ar, u32 vdev_id,
+			       u32 tim_ie_offset, struct sk_buff *bcn,
+			       u32 prb_caps, u32 prb_erp, void *prb_ies,
+			       size_t prb_ies_len)
+{
+	struct wmi_tlv_bcn_tmpl_cmd *cmd;
+	struct wmi_tlv_bcn_prb_info *info;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+	void *ptr;
+	size_t len;
+
+	if (WARN_ON(prb_ies_len > 0 && !prb_ies))
+		return ERR_PTR(-EINVAL);
+
+	len = sizeof(*tlv) + sizeof(*cmd) +
+	      sizeof(*tlv) + sizeof(*info) + prb_ies_len +
+	      sizeof(*tlv) + roundup(bcn->len, 4);
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_TMPL_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->tim_ie_offset = __cpu_to_le32(tim_ie_offset);
+	cmd->buf_len = __cpu_to_le32(bcn->len);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	/* FIXME: prb_ies_len should be probably aligned to 4byte boundary but
+	 * then it is then impossible to pass original ie len.
+	 * This chunk is not used yet so if setting probe resp template yields
+	 * problems with beaconing or crashes firmware look here.
+	 */
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_PRB_INFO);
+	tlv->len = __cpu_to_le16(sizeof(*info) + prb_ies_len);
+	info = (void *)tlv->value;
+	info->caps = __cpu_to_le32(prb_caps);
+	info->erp = __cpu_to_le32(prb_erp);
+	memcpy(info->ies, prb_ies, prb_ies_len);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*info);
+	ptr += prb_ies_len;
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_BYTE);
+	tlv->len = __cpu_to_le16(roundup(bcn->len, 4));
+	memcpy(tlv->value, bcn->data, bcn->len);
+
+	/* FIXME: Adjust TSF? */
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv bcn tmpl vdev_id %i\n",
+		   vdev_id);
+	return skb;
+}
+
 /****************/
 /* TLV mappings */
 /****************/
@@ -2261,6 +2325,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_addba_send not implemented */
 	/* .gen_addba_set_resp not implemented */
 	/* .gen_delba_send not implemented */
+	.gen_bcn_tmpl = ath10k_wmi_tlv_op_gen_bcn_tmpl,
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index ee19353ce65ca..c4773652d380d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1387,6 +1387,18 @@ struct wmi_tlv_bcn_tx_status_ev {
 	__le32 tx_status;
 } __packed;
 
+struct wmi_tlv_bcn_prb_info {
+	__le32 caps;
+	__le32 erp;
+	u8 ies[0];
+} __packed;
+
+struct wmi_tlv_bcn_tmpl_cmd {
+	__le32 vdev_id;
+	__le32 tim_ie_offset;
+	__le32 buf_len;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 2d3c700e2cbb1..d37a4859fc2ae 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5038,6 +5038,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	/* .gen_bcn_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5096,6 +5097,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	/* .gen_bcn_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5214,6 +5216,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	/* .gen_bcn_tmpl not implemented */
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From 4c4955fe4f879fb0bd3bf8630ba23a9811617b59 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Tue, 13 Jan 2015 16:30:11 +0200
Subject: [PATCH 19/55] ath10k: implement prb tmpl wmi command

New firmware revisions with beacon templates need
probe templates as well because they don't forward
probe requests to host at all.

This is required for new firmware to work with
direct probe requests (notably required by hidden
ssid AP).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 17 ++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 50 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h |  5 +++
 drivers/net/wireless/ath/ath10k/wmi.c     |  3 ++
 4 files changed, 75 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 546970259de29..7084096c0f62b 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -133,6 +133,8 @@ struct wmi_ops {
 					u32 tim_ie_offset, struct sk_buff *bcn,
 					u32 prb_caps, u32 prb_erp,
 					void *prb_ies, size_t prb_ies_len);
+	struct sk_buff *(*gen_prb_tmpl)(struct ath10k *ar, u32 vdev_id,
+					struct sk_buff *bcn);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -958,4 +960,19 @@ ath10k_wmi_bcn_tmpl(struct ath10k *ar, u32 vdev_id, u32 tim_ie_offset,
 	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->bcn_tmpl_cmdid);
 }
 
+static inline int
+ath10k_wmi_prb_tmpl(struct ath10k *ar, u32 vdev_id, struct sk_buff *prb)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_prb_tmpl)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_prb_tmpl(ar, vdev_id, prb);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->prb_tmpl_cmdid);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 08a9b2b35d067..29dc0941cf087 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2036,6 +2036,55 @@ ath10k_wmi_tlv_op_gen_bcn_tmpl(struct ath10k *ar, u32 vdev_id,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_prb_tmpl(struct ath10k *ar, u32 vdev_id,
+			       struct sk_buff *prb)
+{
+	struct wmi_tlv_prb_tmpl_cmd *cmd;
+	struct wmi_tlv_bcn_prb_info *info;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+	void *ptr;
+	size_t len;
+
+	len = sizeof(*tlv) + sizeof(*cmd) +
+	      sizeof(*tlv) + sizeof(*info) +
+	      sizeof(*tlv) + roundup(prb->len, 4);
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_PRB_TMPL_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->buf_len = __cpu_to_le32(prb->len);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_PRB_INFO);
+	tlv->len = __cpu_to_le16(sizeof(*info));
+	info = (void *)tlv->value;
+	info->caps = 0;
+	info->erp = 0;
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*info);
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_BYTE);
+	tlv->len = __cpu_to_le16(roundup(prb->len, 4));
+	memcpy(tlv->value, prb->data, prb->len);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv prb tmpl vdev_id %i\n",
+		   vdev_id);
+	return skb;
+}
+
 /****************/
 /* TLV mappings */
 /****************/
@@ -2326,6 +2375,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_addba_set_resp not implemented */
 	/* .gen_delba_send not implemented */
 	.gen_bcn_tmpl = ath10k_wmi_tlv_op_gen_bcn_tmpl,
+	.gen_prb_tmpl = ath10k_wmi_tlv_op_gen_prb_tmpl,
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index c4773652d380d..577251955c04a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1399,6 +1399,11 @@ struct wmi_tlv_bcn_tmpl_cmd {
 	__le32 buf_len;
 } __packed;
 
+struct wmi_tlv_prb_tmpl_cmd {
+	__le32 vdev_id;
+	__le32 buf_len;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index d37a4859fc2ae..bfa38628cdd00 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5039,6 +5039,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
+	/* .gen_prb_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5098,6 +5099,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
+	/* .gen_prb_tmpl not implemented */
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5217,6 +5219,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
+	/* .gen_prb_tmpl not implemented */
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From 369242b4e3f9d29ddead61895f97a3118484f2f1 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Tue, 13 Jan 2015 16:30:11 +0200
Subject: [PATCH 20/55] ath10k: implement p2p bcn ie command

Along beacon template host is expected to setup
p2p information elements as well. Implement wmi
interface for it.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 17 ++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 41 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h |  5 +++
 drivers/net/wireless/ath/ath10k/wmi.c     |  3 ++
 4 files changed, 66 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 7084096c0f62b..0dd49a7a89f02 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -135,6 +135,8 @@ struct wmi_ops {
 					void *prb_ies, size_t prb_ies_len);
 	struct sk_buff *(*gen_prb_tmpl)(struct ath10k *ar, u32 vdev_id,
 					struct sk_buff *bcn);
+	struct sk_buff *(*gen_p2p_go_bcn_ie)(struct ath10k *ar, u32 vdev_id,
+					     const u8 *p2p_ie);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -975,4 +977,19 @@ ath10k_wmi_prb_tmpl(struct ath10k *ar, u32 vdev_id, struct sk_buff *prb)
 	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->prb_tmpl_cmdid);
 }
 
+static inline int
+ath10k_wmi_p2p_go_bcn_ie(struct ath10k *ar, u32 vdev_id, const u8 *p2p_ie)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_p2p_go_bcn_ie)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_p2p_go_bcn_ie(ar, vdev_id, p2p_ie);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->p2p_go_set_beacon_ie);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 29dc0941cf087..6f34fc7d663e1 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2085,6 +2085,46 @@ ath10k_wmi_tlv_op_gen_prb_tmpl(struct ath10k *ar, u32 vdev_id,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_p2p_go_bcn_ie(struct ath10k *ar, u32 vdev_id,
+				    const u8 *p2p_ie)
+{
+	struct wmi_tlv_p2p_go_bcn_ie *cmd;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+	void *ptr;
+	size_t len;
+
+	len = sizeof(*tlv) + sizeof(*cmd) +
+	      sizeof(*tlv) + roundup(p2p_ie[1] + 2, 4);
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_P2P_GO_SET_BEACON_IE);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->ie_len = __cpu_to_le32(p2p_ie[1] + 2);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_BYTE);
+	tlv->len = __cpu_to_le16(roundup(p2p_ie[1] + 2, 4));
+	memcpy(tlv->value, p2p_ie, p2p_ie[1] + 2);
+
+	ptr += sizeof(*tlv);
+	ptr += roundup(p2p_ie[1] + 2, 4);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv p2p go bcn ie for vdev %i\n",
+		   vdev_id);
+	return skb;
+}
+
 /****************/
 /* TLV mappings */
 /****************/
@@ -2376,6 +2416,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	/* .gen_delba_send not implemented */
 	.gen_bcn_tmpl = ath10k_wmi_tlv_op_gen_bcn_tmpl,
 	.gen_prb_tmpl = ath10k_wmi_tlv_op_gen_prb_tmpl,
+	.gen_p2p_go_bcn_ie = ath10k_wmi_tlv_op_gen_p2p_go_bcn_ie,
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 577251955c04a..eb02290075a72 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1404,6 +1404,11 @@ struct wmi_tlv_prb_tmpl_cmd {
 	__le32 buf_len;
 } __packed;
 
+struct wmi_tlv_p2p_go_bcn_ie {
+	__le32 vdev_id;
+	__le32 ie_len;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index bfa38628cdd00..5fe17e80bc6b2 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5040,6 +5040,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
+	/* .gen_p2p_go_bcn_ie not implemented */
 };
 
 static const struct wmi_ops wmi_10_1_ops = {
@@ -5100,6 +5101,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
+	/* .gen_p2p_go_bcn_ie not implemented */
 };
 
 static const struct wmi_ops wmi_10_2_ops = {
@@ -5220,6 +5222,7 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
+	/* .gen_p2p_go_bcn_ie not implemented */
 };
 
 int ath10k_wmi_attach(struct ath10k *ar)

From fbb8f1b729b82f2b48350ffc096f107d1a6ea12d Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Tue, 13 Jan 2015 16:30:12 +0200
Subject: [PATCH 21/55] ath10k: implement support for ap beacon offloading

New firmware revisions support beacon and probe
response templates instead. This means SWBA events
are no longer delivered for these firmware
revisions.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 162 ++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index b403cba0afc1e..36dde244b95fd 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -967,6 +967,143 @@ static int ath10k_vdev_stop(struct ath10k_vif *arvif)
 	return ret;
 }
 
+static int ath10k_mac_setup_bcn_p2p_ie(struct ath10k_vif *arvif,
+				       struct sk_buff *bcn)
+{
+	struct ath10k *ar = arvif->ar;
+	struct ieee80211_mgmt *mgmt;
+	const u8 *p2p_ie;
+	int ret;
+
+	if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+		return 0;
+
+	if (arvif->vdev_subtype != WMI_VDEV_SUBTYPE_P2P_GO)
+		return 0;
+
+	mgmt = (void *)bcn->data;
+	p2p_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+					 mgmt->u.beacon.variable,
+					 bcn->len - (mgmt->u.beacon.variable -
+						     bcn->data));
+	if (!p2p_ie)
+		return -ENOENT;
+
+	ret = ath10k_wmi_p2p_go_bcn_ie(ar, arvif->vdev_id, p2p_ie);
+	if (ret) {
+		ath10k_warn(ar, "failed to submit p2p go bcn ie for vdev %i: %d\n",
+			    arvif->vdev_id, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int ath10k_mac_remove_vendor_ie(struct sk_buff *skb, unsigned int oui,
+				       u8 oui_type, size_t ie_offset)
+{
+	size_t len;
+	const u8 *next;
+	const u8 *end;
+	u8 *ie;
+
+	if (WARN_ON(skb->len < ie_offset))
+		return -EINVAL;
+
+	ie = (u8 *)cfg80211_find_vendor_ie(oui, oui_type,
+					   skb->data + ie_offset,
+					   skb->len - ie_offset);
+	if (!ie)
+		return -ENOENT;
+
+	len = ie[1] + 2;
+	end = skb->data + skb->len;
+	next = ie + len;
+
+	if (WARN_ON(next > end))
+		return -EINVAL;
+
+	memmove(ie, next, end - next);
+	skb_trim(skb, skb->len - len);
+
+	return 0;
+}
+
+static int ath10k_mac_setup_bcn_tmpl(struct ath10k_vif *arvif)
+{
+	struct ath10k *ar = arvif->ar;
+	struct ieee80211_hw *hw = ar->hw;
+	struct ieee80211_vif *vif = arvif->vif;
+	struct ieee80211_mutable_offsets offs = {};
+	struct sk_buff *bcn;
+	int ret;
+
+	if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+		return 0;
+
+	bcn = ieee80211_beacon_get_template(hw, vif, &offs);
+	if (!bcn) {
+		ath10k_warn(ar, "failed to get beacon template from mac80211\n");
+		return -EPERM;
+	}
+
+	ret = ath10k_mac_setup_bcn_p2p_ie(arvif, bcn);
+	if (ret) {
+		ath10k_warn(ar, "failed to setup p2p go bcn ie: %d\n", ret);
+		kfree_skb(bcn);
+		return ret;
+	}
+
+	/* P2P IE is inserted by firmware automatically (as configured above)
+	 * so remove it from the base beacon template to avoid duplicate P2P
+	 * IEs in beacon frames.
+	 */
+	ath10k_mac_remove_vendor_ie(bcn, WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
+				    offsetof(struct ieee80211_mgmt,
+					     u.beacon.variable));
+
+	ret = ath10k_wmi_bcn_tmpl(ar, arvif->vdev_id, offs.tim_offset, bcn, 0,
+				  0, NULL, 0);
+	kfree_skb(bcn);
+
+	if (ret) {
+		ath10k_warn(ar, "failed to submit beacon template command: %d\n",
+			    ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int ath10k_mac_setup_prb_tmpl(struct ath10k_vif *arvif)
+{
+	struct ath10k *ar = arvif->ar;
+	struct ieee80211_hw *hw = ar->hw;
+	struct ieee80211_vif *vif = arvif->vif;
+	struct sk_buff *prb;
+	int ret;
+
+	if (!test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map))
+		return 0;
+
+	prb = ieee80211_proberesp_get(hw, vif);
+	if (!prb) {
+		ath10k_warn(ar, "failed to get probe resp template from mac80211\n");
+		return -EPERM;
+	}
+
+	ret = ath10k_wmi_prb_tmpl(ar, arvif->vdev_id, prb);
+	kfree_skb(prb);
+
+	if (ret) {
+		ath10k_warn(ar, "failed to submit probe resp template command: %d\n",
+			    ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static void ath10k_control_beaconing(struct ath10k_vif *arvif,
 				     struct ieee80211_bss_conf *info)
 {
@@ -3283,6 +3420,18 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 		if (ret)
 			ath10k_warn(ar, "failed to set beacon mode for vdev %d: %i\n",
 				    arvif->vdev_id, ret);
+
+		ret = ath10k_mac_setup_bcn_tmpl(arvif);
+		if (ret)
+			ath10k_warn(ar, "failed to update beacon template: %d\n",
+				    ret);
+	}
+
+	if (changed & BSS_CHANGED_AP_PROBE_RESP) {
+		ret = ath10k_mac_setup_prb_tmpl(arvif);
+		if (ret)
+			ath10k_warn(ar, "failed to setup probe resp template on vdev %i: %d\n",
+				    arvif->vdev_id, ret);
 	}
 
 	if (changed & BSS_CHANGED_BEACON_INFO) {
@@ -5130,6 +5279,19 @@ int ath10k_mac_register(struct ath10k *ar)
 
 	ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
 
+	if (test_bit(WMI_SERVICE_BEACON_OFFLOAD, ar->wmi.svc_map)) {
+		ar->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
+
+		/* Firmware delivers WPS/P2P Probe Requests frames to driver so
+		 * that userspace (e.g. wpa_supplicant/hostapd) can generate
+		 * correct Probe Responses. This is more of a hack advert..
+		 */
+		ar->hw->wiphy->probe_resp_offload |=
+			NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
+			NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
+			NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
+	}
+
 	ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 	ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 	ar->hw->wiphy->max_remain_on_channel_duration = 5000;

From 8bdadac13f65c14d7b6df711793eb31ba9db296e Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Tue, 13 Jan 2015 14:52:14 +0530
Subject: [PATCH 22/55] ath10k: fix duration calculation for quiet param

The duty cycle (% of quiet duration) is used to put the device
in quiet mode for the given period. Currently the quiet duration
is wrongly calculated which results in not enabling quiet mode.
Fix the calculation as below

     duration = (period * duty cycle) / 100

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/thermal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/thermal.c b/drivers/net/wireless/ath/ath10k/thermal.c
index c384c79975ba6..41cff50baa413 100644
--- a/drivers/net/wireless/ath/ath10k/thermal.c
+++ b/drivers/net/wireless/ath/ath10k/thermal.c
@@ -98,7 +98,7 @@ static int ath10k_thermal_set_cur_dutycycle(struct thermal_cooling_device *cdev,
 	}
 	period = max(ATH10K_QUIET_PERIOD_MIN,
 		     (ATH10K_QUIET_PERIOD_DEFAULT / num_bss));
-	duration = period * (duty_cycle / 100);
+	duration = (period * duty_cycle) / 100;
 	enabled = duration ? 1 : 0;
 
 	ret = ath10k_wmi_pdev_set_quiet_mode(ar, period, duration,

From a2fa88003213ea2167545b5306b4d54437b857b7 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Mon, 12 Jan 2015 15:29:37 +0100
Subject: [PATCH 23/55] ath10k: prevent fw reg dump spam

Originally the explicit fw register dump was added
to wait_for_target_init because interrupts are
masked early during power_up.

Due to some changes in power_up/reset sequences
sometimes when fw crashed ath10k would print the
dump more than once via hif_stop -> warm_reset ->
wait_for_target_init, possibly with different
values each.

Prevent this by doing the explicit fw register
dump only during power_up instead of
wait_for_target_init.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/pci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 5e50214246f8d..3b40a86304bfe 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1910,6 +1910,12 @@ static int ath10k_pci_hif_power_up(struct ath10k *ar)
 	 */
 	ret = ath10k_pci_chip_reset(ar);
 	if (ret) {
+		if (ath10k_pci_has_fw_crashed(ar)) {
+			ath10k_warn(ar, "firmware crashed during chip reset\n");
+			ath10k_pci_fw_crashed_clear(ar);
+			ath10k_pci_fw_crashed_dump(ar);
+		}
+
 		ath10k_err(ar, "failed to reset chip: %d\n", ret);
 		goto err_sleep;
 	}
@@ -2352,8 +2358,6 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar)
 
 	if (val & FW_IND_EVENT_PENDING) {
 		ath10k_warn(ar, "device has crashed during init\n");
-		ath10k_pci_fw_crashed_clear(ar);
-		ath10k_pci_fw_crashed_dump(ar);
 		return -ECOMM;
 	}
 

From f6eaf1e063bc0cb8efbd514aaffe5a4ef575ee02 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Mon, 12 Jan 2015 16:07:02 -0500
Subject: [PATCH 24/55] ath10k: document switch case fall-through in
 __ath10k_scan_finish

Add a comment for indicating that the ATH10K_SCAN_RUNNING case falls
through to the ATH10K_SCAN_ABORTING case in __ath10k_scan_finish.  This
will document that the lack of a break is intentional.

Coverity: CID 1260017

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 36dde244b95fd..9524bc59997f8 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2427,6 +2427,7 @@ void __ath10k_scan_finish(struct ath10k *ar)
 	case ATH10K_SCAN_RUNNING:
 		if (ar->scan.is_roc)
 			ieee80211_remain_on_channel_expired(ar->hw);
+		/* fall through */
 	case ATH10K_SCAN_ABORTING:
 		if (!ar->scan.is_roc)
 			ieee80211_scan_completed(ar->hw,

From 6d48161678dcbeb1ac1736aaf11d10c55ed9a314 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Tue, 13 Jan 2015 12:44:24 +0530
Subject: [PATCH 25/55] ath10k: fix hwmon temperature input units

To be compliant with the hwmon interface the unit needs to be
millidegree Celsius. Fix that.

Reported-by: Matthias Kaehlcke <mka@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/thermal.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/thermal.c b/drivers/net/wireless/ath/ath10k/thermal.c
index 41cff50baa413..aede750809fef 100644
--- a/drivers/net/wireless/ath/ath10k/thermal.c
+++ b/drivers/net/wireless/ath/ath10k/thermal.c
@@ -160,7 +160,8 @@ static ssize_t ath10k_thermal_show_temp(struct device *dev,
 	temperature = ar->thermal.temperature;
 	spin_unlock_bh(&ar->data_lock);
 
-	ret = snprintf(buf, PAGE_SIZE, "%d", temperature);
+	/* display in millidegree celcius */
+	ret = snprintf(buf, PAGE_SIZE, "%d\n", temperature * 1000);
 out:
 	mutex_unlock(&ar->conf_mutex);
 	return ret;

From 04de6c6ce612ad159d44572b6ed566e57ecefcab Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:47 +0200
Subject: [PATCH 26/55] ath10k: implement diag data container event

Some firmware revisions may report this event as
part of their diagnostics.

This avoids `unknown event` warnings and adds
tracing for the event.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/trace.h   | 41 ++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 68 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h | 19 +++++++
 3 files changed, 128 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h
index b289378b6e3e2..1c541f73370dd 100644
--- a/drivers/net/wireless/ath/ath10k/trace.h
+++ b/drivers/net/wireless/ath/ath10k/trace.h
@@ -453,6 +453,47 @@ TRACE_EVENT(ath10k_htt_rx_desc,
 	 )
 );
 
+TRACE_EVENT(ath10k_wmi_diag_container,
+	    TP_PROTO(struct ath10k *ar,
+		     u8 type,
+		     u32 timestamp,
+		     u32 code,
+		     u16 len,
+		     const void *data),
+
+	TP_ARGS(ar, type, timestamp, code, len, data),
+
+	TP_STRUCT__entry(
+		__string(device, dev_name(ar->dev))
+		__string(driver, dev_driver_string(ar->dev))
+		__field(u8, type)
+		__field(u32, timestamp)
+		__field(u32, code)
+		__field(u16, len)
+		__dynamic_array(u8, data, len)
+	),
+
+	TP_fast_assign(
+		__assign_str(device, dev_name(ar->dev));
+		__assign_str(driver, dev_driver_string(ar->dev));
+		__entry->type = type;
+		__entry->timestamp = timestamp;
+		__entry->code = code;
+		__entry->len = len;
+		memcpy(__get_dynamic_array(data), data, len);
+	),
+
+	TP_printk(
+		"%s %s diag container type %hhu timestamp %u code %u len %d",
+		__get_str(driver),
+		__get_str(device),
+		__entry->type,
+		__entry->timestamp,
+		__entry->code,
+		__entry->len
+	)
+);
+
 #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
 
 /* we don't want to use include/trace/events */
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 6f34fc7d663e1..56cd51d0ac937 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -60,6 +60,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = {
 		= { .min_len = sizeof(struct wmi_tlv_rdy_ev) },
 	[WMI_TLV_TAG_STRUCT_OFFLOAD_BCN_TX_STATUS_EVENT]
 		= { .min_len = sizeof(struct wmi_tlv_bcn_tx_status_ev) },
+	[WMI_TLV_TAG_STRUCT_DIAG_DATA_CONTAINER_EVENT]
+		= { .min_len = sizeof(struct wmi_tlv_diag_data_ev) },
 };
 
 static int
@@ -203,6 +205,69 @@ static int ath10k_wmi_tlv_event_bcn_tx_status(struct ath10k *ar,
 	return 0;
 }
 
+static int ath10k_wmi_tlv_event_diag_data(struct ath10k *ar,
+					  struct sk_buff *skb)
+{
+	const void **tb;
+	const struct wmi_tlv_diag_data_ev *ev;
+	const struct wmi_tlv_diag_item *item;
+	const void *data;
+	int ret, num_items, len;
+
+	tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
+		return ret;
+	}
+
+	ev = tb[WMI_TLV_TAG_STRUCT_DIAG_DATA_CONTAINER_EVENT];
+	data = tb[WMI_TLV_TAG_ARRAY_BYTE];
+	if (!ev || !data) {
+		kfree(tb);
+		return -EPROTO;
+	}
+
+	num_items = __le32_to_cpu(ev->num_items);
+	len = ath10k_wmi_tlv_len(data);
+
+	while (num_items--) {
+		if (len == 0)
+			break;
+		if (len < sizeof(*item)) {
+			ath10k_warn(ar, "failed to parse diag data: can't fit item header\n");
+			break;
+		}
+
+		item = data;
+
+		if (len < sizeof(*item) + __le16_to_cpu(item->len)) {
+			ath10k_warn(ar, "failed to parse diag data: item is too long\n");
+			break;
+		}
+
+		trace_ath10k_wmi_diag_container(ar,
+						item->type,
+						__le32_to_cpu(item->timestamp),
+						__le32_to_cpu(item->code),
+						__le16_to_cpu(item->len),
+						item->payload);
+
+		len -= sizeof(*item);
+		len -= roundup(__le16_to_cpu(item->len), 4);
+
+		data += sizeof(*item);
+		data += roundup(__le16_to_cpu(item->len), 4);
+	}
+
+	if (num_items != -1 || len != 0)
+		ath10k_warn(ar, "failed to parse diag data event: num_items %d len %d\n",
+			    num_items, len);
+
+	kfree(tb);
+	return 0;
+}
+
 /***********/
 /* TLV ops */
 /***********/
@@ -318,6 +383,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
 	case WMI_TLV_OFFLOAD_BCN_TX_STATUS_EVENTID:
 		ath10k_wmi_tlv_event_bcn_tx_status(ar, skb);
 		break;
+	case WMI_TLV_DIAG_DATA_CONTAINER_EVENTID:
+		ath10k_wmi_tlv_event_diag_data(ar, skb);
+		break;
 	default:
 		ath10k_warn(ar, "Unknown eventid: %d\n", id);
 		break;
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index eb02290075a72..87db762ac1a22 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1409,6 +1409,25 @@ struct wmi_tlv_p2p_go_bcn_ie {
 	__le32 ie_len;
 } __packed;
 
+enum wmi_tlv_diag_item_type {
+	WMI_TLV_DIAG_ITEM_TYPE_FW_EVENT,
+	WMI_TLV_DIAG_ITEM_TYPE_FW_LOG,
+	WMI_TLV_DIAG_ITEM_TYPE_FW_DEBUG_MSG,
+};
+
+struct wmi_tlv_diag_item {
+	u8 type;
+	u8 reserved;
+	__le16 len;
+	__le32 timestamp;
+	__le32 code;
+	u8 payload[0];
+} __packed;
+
+struct wmi_tlv_diag_data_ev {
+	__le32 num_items;
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif

From c3113c393e81feb2193e000794498625fe4a7d5d Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:47 +0200
Subject: [PATCH 27/55] ath10k: implement diag event

Some firmware revisions may report this event as
part of their diagnostics.

This avoids `unknown event` warnings and adds
tracing for the event.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/trace.h   | 27 ++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 31 +++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h
index 1c541f73370dd..5407887380abe 100644
--- a/drivers/net/wireless/ath/ath10k/trace.h
+++ b/drivers/net/wireless/ath/ath10k/trace.h
@@ -494,6 +494,33 @@ TRACE_EVENT(ath10k_wmi_diag_container,
 	)
 );
 
+TRACE_EVENT(ath10k_wmi_diag,
+	    TP_PROTO(struct ath10k *ar, const void *data, size_t len),
+
+	TP_ARGS(ar, data, len),
+
+	TP_STRUCT__entry(
+		__string(device, dev_name(ar->dev))
+		__string(driver, dev_driver_string(ar->dev))
+		__field(u16, len)
+		__dynamic_array(u8, data, len)
+	),
+
+	TP_fast_assign(
+		__assign_str(device, dev_name(ar->dev));
+		__assign_str(driver, dev_driver_string(ar->dev));
+		__entry->len = len;
+		memcpy(__get_dynamic_array(data), data, len);
+	),
+
+	TP_printk(
+		"%s %s tlv diag len %d",
+		__get_str(driver),
+		__get_str(device),
+		__entry->len
+	)
+);
+
 #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
 
 /* we don't want to use include/trace/events */
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 56cd51d0ac937..a6c634a585ddb 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -268,6 +268,34 @@ static int ath10k_wmi_tlv_event_diag_data(struct ath10k *ar,
 	return 0;
 }
 
+static int ath10k_wmi_tlv_event_diag(struct ath10k *ar,
+				     struct sk_buff *skb)
+{
+	const void **tb;
+	const void *data;
+	int ret, len;
+
+	tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
+		return ret;
+	}
+
+	data = tb[WMI_TLV_TAG_ARRAY_BYTE];
+	if (!data) {
+		kfree(tb);
+		return -EPROTO;
+	}
+	len = ath10k_wmi_tlv_len(data);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv diag event len %d\n", len);
+	trace_ath10k_wmi_diag(ar, data, len);
+
+	kfree(tb);
+	return 0;
+}
+
 /***********/
 /* TLV ops */
 /***********/
@@ -386,6 +414,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
 	case WMI_TLV_DIAG_DATA_CONTAINER_EVENTID:
 		ath10k_wmi_tlv_event_diag_data(ar, skb);
 		break;
+	case WMI_TLV_DIAG_EVENTID:
+		ath10k_wmi_tlv_event_diag(ar, skb);
+		break;
 	default:
 		ath10k_warn(ar, "Unknown eventid: %d\n", id);
 		break;

From 8582bf3be70f35b6150da37eed9549a585498363 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:47 +0200
Subject: [PATCH 28/55] ath10k: introduce struct ath10k_skb_rxcb

It doesn't make much sense to share the
ath10k_skb_cb with Rx path. The Rx path doesn't
need to keep any mac80211's data.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.h   | 10 ++++++++++
 drivers/net/wireless/ath/ath10k/htt_rx.c | 10 +++++-----
 drivers/net/wireless/ath/ath10k/pci.c    |  6 +++---
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index c5686122b1408..739d9d69cf1cc 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -97,6 +97,10 @@ struct ath10k_skb_cb {
 	} bcn;
 } __packed;
 
+struct ath10k_skb_rxcb {
+	dma_addr_t paddr;
+};
+
 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
 {
 	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
@@ -104,6 +108,12 @@ static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
 	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
 }
 
+static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
+{
+	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
+	return (struct ath10k_skb_rxcb *)skb->cb;
+}
+
 static inline u32 host_interest_item_address(u32 item_offset)
 {
 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index baa1c447a3b80..2e55ed7241aef 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -37,12 +37,12 @@ static void ath10k_htt_txrx_compl_task(unsigned long ptr);
 static void ath10k_htt_rx_ring_free(struct ath10k_htt *htt)
 {
 	struct sk_buff *skb;
-	struct ath10k_skb_cb *cb;
+	struct ath10k_skb_rxcb *cb;
 	int i;
 
 	for (i = 0; i < htt->rx_ring.fill_cnt; i++) {
 		skb = htt->rx_ring.netbufs_ring[i];
-		cb = ATH10K_SKB_CB(skb);
+		cb = ATH10K_SKB_RXCB(skb);
 		dma_unmap_single(htt->ar->dev, cb->paddr,
 				 skb->len + skb_tailroom(skb),
 				 DMA_FROM_DEVICE);
@@ -86,7 +86,7 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num)
 			goto fail;
 		}
 
-		ATH10K_SKB_CB(skb)->paddr = paddr;
+		ATH10K_SKB_RXCB(skb)->paddr = paddr;
 		htt->rx_ring.netbufs_ring[idx] = skb;
 		htt->rx_ring.paddrs_ring[idx] = __cpu_to_le32(paddr);
 		htt->rx_ring.fill_cnt++;
@@ -168,7 +168,7 @@ static void ath10k_htt_rx_ring_clean_up(struct ath10k_htt *htt)
 		if (!skb)
 			continue;
 
-		dma_unmap_single(htt->ar->dev, ATH10K_SKB_CB(skb)->paddr,
+		dma_unmap_single(htt->ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
 				 skb->len + skb_tailroom(skb),
 				 DMA_FROM_DEVICE);
 		dev_kfree_skb_any(skb);
@@ -224,7 +224,7 @@ static inline struct sk_buff *ath10k_htt_rx_netbuf_pop(struct ath10k_htt *htt)
 	htt->rx_ring.fill_cnt--;
 
 	dma_unmap_single(htt->ar->dev,
-			 ATH10K_SKB_CB(msdu)->paddr,
+			 ATH10K_SKB_RXCB(msdu)->paddr,
 			 msdu->len + skb_tailroom(msdu),
 			 DMA_FROM_DEVICE);
 	ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt rx netbuf pop: ",
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 3b40a86304bfe..b98354c004f59 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -403,7 +403,7 @@ static int __ath10k_pci_rx_post_buf(struct ath10k_pci_pipe *pipe)
 		return -EIO;
 	}
 
-	ATH10K_SKB_CB(skb)->paddr = paddr;
+	ATH10K_SKB_RXCB(skb)->paddr = paddr;
 
 	ret = __ath10k_ce_rx_post_buf(ce_pipe, skb, paddr);
 	if (ret) {
@@ -872,7 +872,7 @@ static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state)
 					     &flags) == 0) {
 		skb = transfer_context;
 		max_nbytes = skb->len + skb_tailroom(skb);
-		dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
+		dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
 				 max_nbytes, DMA_FROM_DEVICE);
 
 		if (unlikely(max_nbytes < nbytes)) {
@@ -1238,7 +1238,7 @@ static void ath10k_pci_rx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
 
 		ce_ring->per_transfer_context[i] = NULL;
 
-		dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
+		dma_unmap_single(ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
 				 skb->len + skb_tailroom(skb),
 				 DMA_FROM_DEVICE);
 		dev_kfree_skb_any(skb);

From c545070e404bfb20e5b72ae725332fe512e5d22c Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:48 +0200
Subject: [PATCH 29/55] ath10k: implement rx reorder support

New firmware and firmware (qca6174 hw3.0+ and fw
266+) are capable of full aggregation rx
reordering. If it's enabled then Rx is handled via
a new, separate htt event.

The rx ring behaviour is changed a little to
support the new rx scheme. These changes shouldn't
affect qca988x performance.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.c    |  12 +
 drivers/net/wireless/ath/ath10k/core.h    |   4 +
 drivers/net/wireless/ath/ath10k/htt.h     |  79 +++++
 drivers/net/wireless/ath/ath10k/htt_rx.c  | 393 ++++++++++++++++++++--
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  11 +-
 5 files changed, 463 insertions(+), 36 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index a5465752a3ff1..6860afbe68d97 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -1061,6 +1061,18 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
 		goto err_hif_stop;
 	}
 
+	/* If firmware indicates Full Rx Reorder support it must be used in a
+	 * slightly different manner. Let HTT code know.
+	 */
+	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
+						ar->wmi.svc_map));
+
+	status = ath10k_htt_rx_ring_refill(ar);
+	if (status) {
+		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
+		goto err_hif_stop;
+	}
+
 	/* we don't care about HTT in UTF mode */
 	if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
 		status = ath10k_htt_setup(&ar->htt);
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 739d9d69cf1cc..774d8ceb40535 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -99,6 +99,7 @@ struct ath10k_skb_cb {
 
 struct ath10k_skb_rxcb {
 	dma_addr_t paddr;
+	struct hlist_node hlist;
 };
 
 static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
@@ -114,6 +115,9 @@ static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
 	return (struct ath10k_skb_rxcb *)skb->cb;
 }
 
+#define ATH10K_RXCB_SKB(rxcb) \
+		container_of((void *)rxcb, struct sk_buff, cb)
+
 static inline u32 host_interest_item_address(u32 item_offset)
 {
 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 8809b37e19125..d1f6eb287a109 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -21,6 +21,7 @@
 #include <linux/bug.h>
 #include <linux/interrupt.h>
 #include <linux/dmapool.h>
+#include <linux/hashtable.h>
 #include <net/mac80211.h>
 
 #include "htc.h"
@@ -286,7 +287,19 @@ enum htt_t2h_msg_type {
 	HTT_T2H_MSG_TYPE_RC_UPDATE_IND		= 0xc,
 	HTT_T2H_MSG_TYPE_TX_INSPECT_IND		= 0xd,
 	HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION	= 0xe,
+	HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND	= 0xf,
+	HTT_T2H_MSG_TYPE_RX_PN_IND		= 0x10,
+	HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND = 0x11,
+	HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND	= 0x12,
+	/* 0x13 reservd */
+	HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE	= 0x14,
+
+	/* FIXME: Do not depend on this event id. Numbering of this event id is
+	 * broken across different firmware revisions and HTT version fails to
+	 * indicate this.
+	 */
 	HTT_T2H_MSG_TYPE_TEST,
+
 	/* keep this last */
 	HTT_T2H_NUM_MSGS
 };
@@ -655,6 +668,53 @@ struct htt_rx_fragment_indication {
 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_MASK   0x00000FC0
 #define HTT_RX_FRAG_IND_INFO1_FLUSH_SEQ_NUM_END_LSB    6
 
+struct htt_rx_pn_ind {
+	__le16 peer_id;
+	u8 tid;
+	u8 seqno_start;
+	u8 seqno_end;
+	u8 pn_ie_count;
+	u8 reserved;
+	u8 pn_ies[0];
+} __packed;
+
+struct htt_rx_offload_msdu {
+	__le16 msdu_len;
+	__le16 peer_id;
+	u8 vdev_id;
+	u8 tid;
+	u8 fw_desc;
+	u8 payload[0];
+} __packed;
+
+struct htt_rx_offload_ind {
+	u8 reserved;
+	__le16 msdu_count;
+} __packed;
+
+struct htt_rx_in_ord_msdu_desc {
+	__le32 msdu_paddr;
+	__le16 msdu_len;
+	u8 fw_desc;
+	u8 reserved;
+} __packed;
+
+struct htt_rx_in_ord_ind {
+	u8 info;
+	__le16 peer_id;
+	u8 vdev_id;
+	u8 reserved;
+	__le16 msdu_count;
+	struct htt_rx_in_ord_msdu_desc msdu_descs[0];
+} __packed;
+
+#define HTT_RX_IN_ORD_IND_INFO_TID_MASK		0x0000001f
+#define HTT_RX_IN_ORD_IND_INFO_TID_LSB		0
+#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK	0x00000020
+#define HTT_RX_IN_ORD_IND_INFO_OFFLOAD_LSB	5
+#define HTT_RX_IN_ORD_IND_INFO_FRAG_MASK	0x00000040
+#define HTT_RX_IN_ORD_IND_INFO_FRAG_LSB		6
+
 /*
  * target -> host test message definition
  *
@@ -1150,6 +1210,9 @@ struct htt_resp {
 		struct htt_rx_test rx_test;
 		struct htt_pktlog_msg pktlog_msg;
 		struct htt_stats_conf stats_conf;
+		struct htt_rx_pn_ind rx_pn_ind;
+		struct htt_rx_offload_ind rx_offload_ind;
+		struct htt_rx_in_ord_ind rx_in_ord_ind;
 	};
 } __packed;
 
@@ -1197,6 +1260,20 @@ struct ath10k_htt {
 		 * filled.
 		 */
 		struct sk_buff **netbufs_ring;
+
+		/* This is used only with firmware supporting IN_ORD_IND.
+		 *
+		 * With Full Rx Reorder the HTT Rx Ring is more of a temporary
+		 * buffer ring from which buffer addresses are copied by the
+		 * firmware to MAC Rx ring. Firmware then delivers IN_ORD_IND
+		 * pointing to specific (re-ordered) buffers.
+		 *
+		 * FIXME: With kernel generic hashing functions there's a lot
+		 * of hash collisions for sk_buffs.
+		 */
+		bool in_ord_rx;
+		DECLARE_HASHTABLE(skb_table, 4);
+
 		/*
 		 * Ring of buffer addresses -
 		 * This ring holds the "physical" device address of the
@@ -1270,6 +1347,7 @@ struct ath10k_htt {
 	struct tasklet_struct txrx_compl_task;
 	struct sk_buff_head tx_compl_q;
 	struct sk_buff_head rx_compl_q;
+	struct sk_buff_head rx_in_ord_compl_q;
 
 	/* rx_status template */
 	struct ieee80211_rx_status rx_status;
@@ -1333,6 +1411,7 @@ int ath10k_htt_tx_alloc(struct ath10k_htt *htt);
 void ath10k_htt_tx_free(struct ath10k_htt *htt);
 
 int ath10k_htt_rx_alloc(struct ath10k_htt *htt);
+int ath10k_htt_rx_ring_refill(struct ath10k *ar);
 void ath10k_htt_rx_free(struct ath10k_htt *htt);
 
 void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 2e55ed7241aef..661785fb99061 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -25,8 +25,8 @@
 
 #include <linux/log2.h>
 
-#define HTT_RX_RING_SIZE 1024
-#define HTT_RX_RING_FILL_LEVEL 1000
+#define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
+#define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
 
 /* when under memory pressure rx ring refill may fail and needs a retry */
 #define HTT_RX_RING_REFILL_RETRY_MS 50
@@ -34,31 +34,70 @@
 static int ath10k_htt_rx_get_csum_state(struct sk_buff *skb);
 static void ath10k_htt_txrx_compl_task(unsigned long ptr);
 
+static struct sk_buff *
+ath10k_htt_rx_find_skb_paddr(struct ath10k *ar, u32 paddr)
+{
+	struct ath10k_skb_rxcb *rxcb;
+
+	hash_for_each_possible(ar->htt.rx_ring.skb_table, rxcb, hlist, paddr)
+		if (rxcb->paddr == paddr)
+			return ATH10K_RXCB_SKB(rxcb);
+
+	WARN_ON_ONCE(1);
+	return NULL;
+}
+
 static void ath10k_htt_rx_ring_free(struct ath10k_htt *htt)
 {
 	struct sk_buff *skb;
-	struct ath10k_skb_rxcb *cb;
+	struct ath10k_skb_rxcb *rxcb;
+	struct hlist_node *n;
 	int i;
 
-	for (i = 0; i < htt->rx_ring.fill_cnt; i++) {
-		skb = htt->rx_ring.netbufs_ring[i];
-		cb = ATH10K_SKB_RXCB(skb);
-		dma_unmap_single(htt->ar->dev, cb->paddr,
-				 skb->len + skb_tailroom(skb),
-				 DMA_FROM_DEVICE);
-		dev_kfree_skb_any(skb);
+	if (htt->rx_ring.in_ord_rx) {
+		hash_for_each_safe(htt->rx_ring.skb_table, i, n, rxcb, hlist) {
+			skb = ATH10K_RXCB_SKB(rxcb);
+			dma_unmap_single(htt->ar->dev, rxcb->paddr,
+					 skb->len + skb_tailroom(skb),
+					 DMA_FROM_DEVICE);
+			hash_del(&rxcb->hlist);
+			dev_kfree_skb_any(skb);
+		}
+	} else {
+		for (i = 0; i < htt->rx_ring.size; i++) {
+			skb = htt->rx_ring.netbufs_ring[i];
+			if (!skb)
+				continue;
+
+			rxcb = ATH10K_SKB_RXCB(skb);
+			dma_unmap_single(htt->ar->dev, rxcb->paddr,
+					 skb->len + skb_tailroom(skb),
+					 DMA_FROM_DEVICE);
+			dev_kfree_skb_any(skb);
+		}
 	}
 
 	htt->rx_ring.fill_cnt = 0;
+	hash_init(htt->rx_ring.skb_table);
+	memset(htt->rx_ring.netbufs_ring, 0,
+	       htt->rx_ring.size * sizeof(htt->rx_ring.netbufs_ring[0]));
 }
 
 static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num)
 {
 	struct htt_rx_desc *rx_desc;
+	struct ath10k_skb_rxcb *rxcb;
 	struct sk_buff *skb;
 	dma_addr_t paddr;
 	int ret = 0, idx;
 
+	/* The Full Rx Reorder firmware has no way of telling the host
+	 * implicitly when it copied HTT Rx Ring buffers to MAC Rx Ring.
+	 * To keep things simple make sure ring is always half empty. This
+	 * guarantees there'll be no replenishment overruns possible.
+	 */
+	BUILD_BUG_ON(HTT_RX_RING_FILL_LEVEL >= HTT_RX_RING_SIZE / 2);
+
 	idx = __le32_to_cpu(*htt->rx_ring.alloc_idx.vaddr);
 	while (num > 0) {
 		skb = dev_alloc_skb(HTT_RX_BUF_SIZE + HTT_RX_DESC_ALIGN);
@@ -86,11 +125,18 @@ static int __ath10k_htt_rx_ring_fill_n(struct ath10k_htt *htt, int num)
 			goto fail;
 		}
 
-		ATH10K_SKB_RXCB(skb)->paddr = paddr;
+		rxcb = ATH10K_SKB_RXCB(skb);
+		rxcb->paddr = paddr;
 		htt->rx_ring.netbufs_ring[idx] = skb;
 		htt->rx_ring.paddrs_ring[idx] = __cpu_to_le32(paddr);
 		htt->rx_ring.fill_cnt++;
 
+		if (htt->rx_ring.in_ord_rx) {
+			hash_add(htt->rx_ring.skb_table,
+				 &ATH10K_SKB_RXCB(skb)->hlist,
+				 (u32)paddr);
+		}
+
 		num--;
 		idx++;
 		idx &= htt->rx_ring.size_mask;
@@ -158,22 +204,20 @@ static void ath10k_htt_rx_ring_refill_retry(unsigned long arg)
 	ath10k_htt_rx_msdu_buff_replenish(htt);
 }
 
-static void ath10k_htt_rx_ring_clean_up(struct ath10k_htt *htt)
+int ath10k_htt_rx_ring_refill(struct ath10k *ar)
 {
-	struct sk_buff *skb;
-	int i;
+	struct ath10k_htt *htt = &ar->htt;
+	int ret;
 
-	for (i = 0; i < htt->rx_ring.size; i++) {
-		skb = htt->rx_ring.netbufs_ring[i];
-		if (!skb)
-			continue;
+	spin_lock_bh(&htt->rx_ring.lock);
+	ret = ath10k_htt_rx_ring_fill_n(htt, (htt->rx_ring.fill_level -
+					      htt->rx_ring.fill_cnt));
+	spin_unlock_bh(&htt->rx_ring.lock);
 
-		dma_unmap_single(htt->ar->dev, ATH10K_SKB_RXCB(skb)->paddr,
-				 skb->len + skb_tailroom(skb),
-				 DMA_FROM_DEVICE);
-		dev_kfree_skb_any(skb);
-		htt->rx_ring.netbufs_ring[i] = NULL;
-	}
+	if (ret)
+		ath10k_htt_rx_ring_free(htt);
+
+	return ret;
 }
 
 void ath10k_htt_rx_free(struct ath10k_htt *htt)
@@ -184,8 +228,9 @@ void ath10k_htt_rx_free(struct ath10k_htt *htt)
 
 	skb_queue_purge(&htt->tx_compl_q);
 	skb_queue_purge(&htt->rx_compl_q);
+	skb_queue_purge(&htt->rx_in_ord_compl_q);
 
-	ath10k_htt_rx_ring_clean_up(htt);
+	ath10k_htt_rx_ring_free(htt);
 
 	dma_free_coherent(htt->ar->dev,
 			  (htt->rx_ring.size *
@@ -217,6 +262,7 @@ static inline struct sk_buff *ath10k_htt_rx_netbuf_pop(struct ath10k_htt *htt)
 	idx = htt->rx_ring.sw_rd_idx.msdu_payld;
 	msdu = htt->rx_ring.netbufs_ring[idx];
 	htt->rx_ring.netbufs_ring[idx] = NULL;
+	htt->rx_ring.paddrs_ring[idx] = 0;
 
 	idx++;
 	idx &= htt->rx_ring.size_mask;
@@ -384,6 +430,82 @@ static void ath10k_htt_rx_replenish_task(unsigned long ptr)
 	ath10k_htt_rx_msdu_buff_replenish(htt);
 }
 
+static struct sk_buff *ath10k_htt_rx_pop_paddr(struct ath10k_htt *htt,
+					       u32 paddr)
+{
+	struct ath10k *ar = htt->ar;
+	struct ath10k_skb_rxcb *rxcb;
+	struct sk_buff *msdu;
+
+	lockdep_assert_held(&htt->rx_ring.lock);
+
+	msdu = ath10k_htt_rx_find_skb_paddr(ar, paddr);
+	if (!msdu)
+		return NULL;
+
+	rxcb = ATH10K_SKB_RXCB(msdu);
+	hash_del(&rxcb->hlist);
+	htt->rx_ring.fill_cnt--;
+
+	dma_unmap_single(htt->ar->dev, rxcb->paddr,
+			 msdu->len + skb_tailroom(msdu),
+			 DMA_FROM_DEVICE);
+	ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt rx netbuf pop: ",
+			msdu->data, msdu->len + skb_tailroom(msdu));
+
+	return msdu;
+}
+
+static int ath10k_htt_rx_pop_paddr_list(struct ath10k_htt *htt,
+					struct htt_rx_in_ord_ind *ev,
+					struct sk_buff_head *list)
+{
+	struct ath10k *ar = htt->ar;
+	struct htt_rx_in_ord_msdu_desc *msdu_desc = ev->msdu_descs;
+	struct htt_rx_desc *rxd;
+	struct sk_buff *msdu;
+	int msdu_count;
+	bool is_offload;
+	u32 paddr;
+
+	lockdep_assert_held(&htt->rx_ring.lock);
+
+	msdu_count = __le16_to_cpu(ev->msdu_count);
+	is_offload = !!(ev->info & HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK);
+
+	while (msdu_count--) {
+		paddr = __le32_to_cpu(msdu_desc->msdu_paddr);
+
+		msdu = ath10k_htt_rx_pop_paddr(htt, paddr);
+		if (!msdu) {
+			__skb_queue_purge(list);
+			return -ENOENT;
+		}
+
+		__skb_queue_tail(list, msdu);
+
+		if (!is_offload) {
+			rxd = (void *)msdu->data;
+
+			trace_ath10k_htt_rx_desc(ar, rxd, sizeof(*rxd));
+
+			skb_put(msdu, sizeof(*rxd));
+			skb_pull(msdu, sizeof(*rxd));
+			skb_put(msdu, __le16_to_cpu(msdu_desc->msdu_len));
+
+			if (!(__le32_to_cpu(rxd->attention.flags) &
+			      RX_ATTENTION_FLAGS_MSDU_DONE)) {
+				ath10k_warn(htt->ar, "tried to pop an incomplete frame, oops!\n");
+				return -EIO;
+			}
+		}
+
+		msdu_desc++;
+	}
+
+	return 0;
+}
+
 int ath10k_htt_rx_alloc(struct ath10k_htt *htt)
 {
 	struct ath10k *ar = htt->ar;
@@ -429,7 +551,7 @@ int ath10k_htt_rx_alloc(struct ath10k_htt *htt)
 
 	htt->rx_ring.alloc_idx.vaddr = vaddr;
 	htt->rx_ring.alloc_idx.paddr = paddr;
-	htt->rx_ring.sw_rd_idx.msdu_payld = 0;
+	htt->rx_ring.sw_rd_idx.msdu_payld = htt->rx_ring.size_mask;
 	*htt->rx_ring.alloc_idx.vaddr = 0;
 
 	/* Initialize the Rx refill retry timer */
@@ -438,14 +560,15 @@ int ath10k_htt_rx_alloc(struct ath10k_htt *htt)
 	spin_lock_init(&htt->rx_ring.lock);
 
 	htt->rx_ring.fill_cnt = 0;
-	if (__ath10k_htt_rx_ring_fill_n(htt, htt->rx_ring.fill_level))
-		goto err_fill_ring;
+	htt->rx_ring.sw_rd_idx.msdu_payld = 0;
+	hash_init(htt->rx_ring.skb_table);
 
 	tasklet_init(&htt->rx_replenish_task, ath10k_htt_rx_replenish_task,
 		     (unsigned long)htt);
 
 	skb_queue_head_init(&htt->tx_compl_q);
 	skb_queue_head_init(&htt->rx_compl_q);
+	skb_queue_head_init(&htt->rx_in_ord_compl_q);
 
 	tasklet_init(&htt->txrx_compl_task, ath10k_htt_txrx_compl_task,
 		     (unsigned long)htt);
@@ -454,12 +577,6 @@ int ath10k_htt_rx_alloc(struct ath10k_htt *htt)
 		   htt->rx_ring.size, htt->rx_ring.fill_level);
 	return 0;
 
-err_fill_ring:
-	ath10k_htt_rx_ring_free(htt);
-	dma_free_coherent(htt->ar->dev,
-			  sizeof(*htt->rx_ring.alloc_idx.vaddr),
-			  htt->rx_ring.alloc_idx.vaddr,
-			  htt->rx_ring.alloc_idx.paddr);
 err_dma_idx:
 	dma_free_coherent(htt->ar->dev,
 			  (htt->rx_ring.size *
@@ -1583,6 +1700,194 @@ static void ath10k_htt_rx_delba(struct ath10k *ar, struct htt_resp *resp)
 	spin_unlock_bh(&ar->data_lock);
 }
 
+static int ath10k_htt_rx_extract_amsdu(struct sk_buff_head *list,
+				       struct sk_buff_head *amsdu)
+{
+	struct sk_buff *msdu;
+	struct htt_rx_desc *rxd;
+
+	if (skb_queue_empty(list))
+		return -ENOBUFS;
+
+	if (WARN_ON(!skb_queue_empty(amsdu)))
+		return -EINVAL;
+
+	while ((msdu = __skb_dequeue(list))) {
+		__skb_queue_tail(amsdu, msdu);
+
+		rxd = (void *)msdu->data - sizeof(*rxd);
+		if (rxd->msdu_end.info0 &
+		    __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU))
+			break;
+	}
+
+	msdu = skb_peek_tail(amsdu);
+	rxd = (void *)msdu->data - sizeof(*rxd);
+	if (!(rxd->msdu_end.info0 &
+	      __cpu_to_le32(RX_MSDU_END_INFO0_LAST_MSDU))) {
+		skb_queue_splice_init(amsdu, list);
+		return -EAGAIN;
+	}
+
+	return 0;
+}
+
+static void ath10k_htt_rx_h_rx_offload_prot(struct ieee80211_rx_status *status,
+					    struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+
+	if (!ieee80211_has_protected(hdr->frame_control))
+		return;
+
+	/* Offloaded frames are already decrypted but firmware insists they are
+	 * protected in the 802.11 header. Strip the flag.  Otherwise mac80211
+	 * will drop the frame.
+	 */
+
+	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+	status->flag |= RX_FLAG_DECRYPTED |
+			RX_FLAG_IV_STRIPPED |
+			RX_FLAG_MMIC_STRIPPED;
+}
+
+static void ath10k_htt_rx_h_rx_offload(struct ath10k *ar,
+				       struct sk_buff_head *list)
+{
+	struct ath10k_htt *htt = &ar->htt;
+	struct ieee80211_rx_status *status = &htt->rx_status;
+	struct htt_rx_offload_msdu *rx;
+	struct sk_buff *msdu;
+	size_t offset;
+
+	while ((msdu = __skb_dequeue(list))) {
+		/* Offloaded frames don't have Rx descriptor. Instead they have
+		 * a short meta information header.
+		 */
+
+		rx = (void *)msdu->data;
+
+		skb_put(msdu, sizeof(*rx));
+		skb_pull(msdu, sizeof(*rx));
+
+		if (skb_tailroom(msdu) < __le16_to_cpu(rx->msdu_len)) {
+			ath10k_warn(ar, "dropping frame: offloaded rx msdu is too long!\n");
+			dev_kfree_skb_any(msdu);
+			continue;
+		}
+
+		skb_put(msdu, __le16_to_cpu(rx->msdu_len));
+
+		/* Offloaded rx header length isn't multiple of 2 nor 4 so the
+		 * actual payload is unaligned. Align the frame.  Otherwise
+		 * mac80211 complains.  This shouldn't reduce performance much
+		 * because these offloaded frames are rare.
+		 */
+		offset = 4 - ((unsigned long)msdu->data & 3);
+		skb_put(msdu, offset);
+		memmove(msdu->data + offset, msdu->data, msdu->len);
+		skb_pull(msdu, offset);
+
+		/* FIXME: The frame is NWifi. Re-construct QoS Control
+		 * if possible later.
+		 */
+
+		memset(status, 0, sizeof(*status));
+		status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+
+		ath10k_htt_rx_h_rx_offload_prot(status, msdu);
+		ath10k_htt_rx_h_channel(ar, status);
+		ath10k_process_rx(ar, status, msdu);
+	}
+}
+
+static void ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb)
+{
+	struct ath10k_htt *htt = &ar->htt;
+	struct htt_resp *resp = (void *)skb->data;
+	struct ieee80211_rx_status *status = &htt->rx_status;
+	struct sk_buff_head list;
+	struct sk_buff_head amsdu;
+	u16 peer_id;
+	u16 msdu_count;
+	u8 vdev_id;
+	u8 tid;
+	bool offload;
+	bool frag;
+	int ret;
+
+	lockdep_assert_held(&htt->rx_ring.lock);
+
+	if (htt->rx_confused)
+		return;
+
+	skb_pull(skb, sizeof(resp->hdr));
+	skb_pull(skb, sizeof(resp->rx_in_ord_ind));
+
+	peer_id = __le16_to_cpu(resp->rx_in_ord_ind.peer_id);
+	msdu_count = __le16_to_cpu(resp->rx_in_ord_ind.msdu_count);
+	vdev_id = resp->rx_in_ord_ind.vdev_id;
+	tid = SM(resp->rx_in_ord_ind.info, HTT_RX_IN_ORD_IND_INFO_TID);
+	offload = !!(resp->rx_in_ord_ind.info &
+			HTT_RX_IN_ORD_IND_INFO_OFFLOAD_MASK);
+	frag = !!(resp->rx_in_ord_ind.info & HTT_RX_IN_ORD_IND_INFO_FRAG_MASK);
+
+	ath10k_dbg(ar, ATH10K_DBG_HTT,
+		   "htt rx in ord vdev %i peer %i tid %i offload %i frag %i msdu count %i\n",
+		   vdev_id, peer_id, tid, offload, frag, msdu_count);
+
+	if (skb->len < msdu_count * sizeof(*resp->rx_in_ord_ind.msdu_descs)) {
+		ath10k_warn(ar, "dropping invalid in order rx indication\n");
+		return;
+	}
+
+	/* The event can deliver more than 1 A-MSDU. Each A-MSDU is later
+	 * extracted and processed.
+	 */
+	__skb_queue_head_init(&list);
+	ret = ath10k_htt_rx_pop_paddr_list(htt, &resp->rx_in_ord_ind, &list);
+	if (ret < 0) {
+		ath10k_warn(ar, "failed to pop paddr list: %d\n", ret);
+		htt->rx_confused = true;
+		return;
+	}
+
+	/* Offloaded frames are very different and need to be handled
+	 * separately.
+	 */
+	if (offload)
+		ath10k_htt_rx_h_rx_offload(ar, &list);
+
+	while (!skb_queue_empty(&list)) {
+		__skb_queue_head_init(&amsdu);
+		ret = ath10k_htt_rx_extract_amsdu(&list, &amsdu);
+		switch (ret) {
+		case 0:
+			/* Note: The in-order indication may report interleaved
+			 * frames from different PPDUs meaning reported rx rate
+			 * to mac80211 isn't accurate/reliable. It's still
+			 * better to report something than nothing though. This
+			 * should still give an idea about rx rate to the user.
+			 */
+			ath10k_htt_rx_h_ppdu(ar, &amsdu, status);
+			ath10k_htt_rx_h_filter(ar, &amsdu, status);
+			ath10k_htt_rx_h_mpdu(ar, &amsdu, status);
+			ath10k_htt_rx_h_deliver(ar, &amsdu, status);
+			break;
+		case -EAGAIN:
+			/* fall through */
+		default:
+			/* Should not happen. */
+			ath10k_warn(ar, "failed to extract amsdu: %d\n", ret);
+			htt->rx_confused = true;
+			__skb_queue_purge(&list);
+			return;
+		}
+	}
+
+	tasklet_schedule(&htt->rx_replenish_task);
+}
+
 void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_htt *htt = &ar->htt;
@@ -1705,6 +2010,20 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 		 */
 		break;
 	}
+	case HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND: {
+		spin_lock_bh(&htt->rx_ring.lock);
+		__skb_queue_tail(&htt->rx_in_ord_compl_q, skb);
+		spin_unlock_bh(&htt->rx_ring.lock);
+		tasklet_schedule(&htt->txrx_compl_task);
+		return;
+	}
+	case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND:
+		/* FIXME: This WMI-TLV event is overlapping with 10.2
+		 * CHAN_CHANGE - both being 0xF. Neither is being used in
+		 * practice so no immediate action is necessary. Nevertheless
+		 * HTT may need an abstraction layer like WMI has one day.
+		 */
+		break;
 	default:
 		ath10k_warn(ar, "htt event (%d) not handled\n",
 			    resp->hdr.msg_type);
@@ -1720,6 +2039,7 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 static void ath10k_htt_txrx_compl_task(unsigned long ptr)
 {
 	struct ath10k_htt *htt = (struct ath10k_htt *)ptr;
+	struct ath10k *ar = htt->ar;
 	struct htt_resp *resp;
 	struct sk_buff *skb;
 
@@ -1736,5 +2056,10 @@ static void ath10k_htt_txrx_compl_task(unsigned long ptr)
 		ath10k_htt_rx_handler(htt, &resp->rx_ind);
 		dev_kfree_skb_any(skb);
 	}
+
+	while ((skb = __skb_dequeue(&htt->rx_in_ord_compl_q))) {
+		ath10k_htt_rx_in_ord_ind(ar, skb);
+		dev_kfree_skb_any(skb);
+	}
 	spin_unlock_bh(&htt->rx_ring.lock);
 }
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index a6c634a585ddb..35f519123752c 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1052,8 +1052,15 @@ static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar)
 
 	cfg->num_vdevs = __cpu_to_le32(TARGET_TLV_NUM_VDEVS);
 	cfg->num_peers = __cpu_to_le32(TARGET_TLV_NUM_PEERS);
-	cfg->num_offload_peers = __cpu_to_le32(0);
-	cfg->num_offload_reorder_bufs = __cpu_to_le32(0);
+
+	if (test_bit(WMI_SERVICE_RX_FULL_REORDER, ar->wmi.svc_map)) {
+		cfg->num_offload_peers = __cpu_to_le32(3);
+		cfg->num_offload_reorder_bufs = __cpu_to_le32(3);
+	} else {
+		cfg->num_offload_peers = __cpu_to_le32(0);
+		cfg->num_offload_reorder_bufs = __cpu_to_le32(0);
+	}
+
 	cfg->num_peer_keys = __cpu_to_le32(2);
 	cfg->num_tids = __cpu_to_le32(TARGET_TLV_NUM_TIDS);
 	cfg->ast_skid_limit = __cpu_to_le32(0x10);

From 1a7fecb766c83dace747f42b25bbb544b00a0163 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:48 +0200
Subject: [PATCH 30/55] ath10k: reset chip before reading chip_id in probe

There are some very rare cases with some hardware
configuration that the device doesn't init quickly
enough in which case reading chip_id yielded 0.
This caused driver to subsequently fail to setup
the device.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/pci.c | 30 ++++++++++++++++-----------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index b98354c004f59..e0c9f4633a824 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -2544,18 +2544,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 		goto err_release;
 	}
 
-	chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
-	if (chip_id == 0xffffffff) {
-		ath10k_err(ar, "failed to get chip id\n");
-		goto err_sleep;
-	}
-
-	if (!ath10k_pci_chip_is_supported(pdev->device, chip_id)) {
-		ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
-			   pdev->device, chip_id);
-		goto err_sleep;
-	}
-
 	ret = ath10k_pci_alloc_pipes(ar);
 	if (ret) {
 		ath10k_err(ar, "failed to allocate copy engine pipes: %d\n",
@@ -2582,6 +2570,24 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 		goto err_deinit_irq;
 	}
 
+	ret = ath10k_pci_chip_reset(ar);
+	if (ret) {
+		ath10k_err(ar, "failed to reset chip: %d\n", ret);
+		goto err_free_irq;
+	}
+
+	chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
+	if (chip_id == 0xffffffff) {
+		ath10k_err(ar, "failed to get chip id\n");
+		goto err_free_irq;
+	}
+
+	if (!ath10k_pci_chip_is_supported(pdev->device, chip_id)) {
+		ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
+			   pdev->device, chip_id);
+		goto err_sleep;
+	}
+
 	ath10k_pci_sleep(ar);
 
 	ret = ath10k_core_register(ar, chip_id);

From 3ec79e3a75ed062cb0c13ceef0690929b777cf59 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:48 +0200
Subject: [PATCH 31/55] ath10k: add support for qca6174 Rx descriptors

The QCA6174 chip has an extra 4 bytes in
rx_ppdu_end structure which is used in htt_rx_desc
and HTT Rx ring offset setup. This is necessary
for correct Rx for QCA6174 (otherwise Rx
descriptors are overwritten and corrupted).

This means QCA988X will have an extra 4 byte
padding in Rx descriptor layout which is harmless.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt_rx.c  |  2 +-
 drivers/net/wireless/ath/ath10k/rx_desc.h | 25 ++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 661785fb99061..c1da44f65a4d0 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -813,7 +813,7 @@ static void ath10k_htt_rx_h_mactime(struct ath10k *ar,
 	 *
 	 * FIXME: Can we get/compute 64bit TSF?
 	 */
-	status->mactime = __le32_to_cpu(rxd->ppdu_end.tsf_timestamp);
+	status->mactime = __le32_to_cpu(rxd->ppdu_end.common.tsf_timestamp);
 	status->flag |= RX_FLAG_MACTIME_END;
 }
 
diff --git a/drivers/net/wireless/ath/ath10k/rx_desc.h b/drivers/net/wireless/ath/ath10k/rx_desc.h
index e1ffdd57a18c8..e9cc7787bf5fd 100644
--- a/drivers/net/wireless/ath/ath10k/rx_desc.h
+++ b/drivers/net/wireless/ath/ath10k/rx_desc.h
@@ -850,7 +850,7 @@ struct rx_ppdu_start {
 
 #define RX_PPDU_END_INFO1_PPDU_DONE (1 << 15)
 
-struct rx_ppdu_end {
+struct rx_ppdu_end_common {
 	__le32 evm_p0;
 	__le32 evm_p1;
 	__le32 evm_p2;
@@ -873,10 +873,33 @@ struct rx_ppdu_end {
 	u8 phy_err_code;
 	__le16 flags; /* %RX_PPDU_END_FLAGS_ */
 	__le32 info0; /* %RX_PPDU_END_INFO0_ */
+} __packed;
+
+struct rx_ppdu_end_qca988x {
 	__le16 bb_length;
 	__le16 info1; /* %RX_PPDU_END_INFO1_ */
 } __packed;
 
+#define RX_PPDU_END_RTT_CORRELATION_VALUE_MASK 0x00ffffff
+#define RX_PPDU_END_RTT_CORRELATION_VALUE_LSB  0
+#define RX_PPDU_END_RTT_UNUSED_MASK            0x7f000000
+#define RX_PPDU_END_RTT_UNUSED_LSB             24
+#define RX_PPDU_END_RTT_NORMAL_MODE            BIT(31)
+
+struct rx_ppdu_end_qca6174 {
+	__le32 rtt; /* %RX_PPDU_END_RTT_ */
+	__le16 bb_length;
+	__le16 info1; /* %RX_PPDU_END_INFO1_ */
+} __packed;
+
+struct rx_ppdu_end {
+	struct rx_ppdu_end_common common;
+	union {
+		struct rx_ppdu_end_qca988x qca988x;
+		struct rx_ppdu_end_qca6174 qca6174;
+	} __packed;
+} __packed;
+
 /*
  * evm_p0
  *		EVM for pilot 0.  Contain EVM for streams: 0, 1, 2 and 3.

From d63955b33b3bee45d784ffdfafeb93076c765660 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:49 +0200
Subject: [PATCH 32/55] ath10k: add support for qca6174

The QCA6174 in combination with new wmi-tlv firmware is capable of
multi-channel, beamforming, tdls and other features.

This patch just makes it possible to boot these devices and do some basic stuff
like connect to an AP without encryption. Some things may not work or may be
unreliable. New features will be implemented later. This will be addressed
eventually with future patches.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/Makefile    |   3 +-
 drivers/net/wireless/ath/ath10k/ce.c        |  12 +--
 drivers/net/wireless/ath/ath10k/ce.h        |   2 +-
 drivers/net/wireless/ath/ath10k/core.c      |  44 ++++++++
 drivers/net/wireless/ath/ath10k/core.h      |   6 +-
 drivers/net/wireless/ath/ath10k/hw.c        |  58 +++++++++++
 drivers/net/wireless/ath/ath10k/hw.h        | 102 +++++++++++++++----
 drivers/net/wireless/ath/ath10k/pci.c       | 105 ++++++++++++++++++--
 drivers/net/wireless/ath/ath10k/targaddrs.h |   5 +
 9 files changed, 302 insertions(+), 35 deletions(-)
 create mode 100644 drivers/net/wireless/ath/ath10k/hw.c

diff --git a/drivers/net/wireless/ath/ath10k/Makefile b/drivers/net/wireless/ath/ath10k/Makefile
index 6c0c23e79bdaf..f4dbb3e93bf86 100644
--- a/drivers/net/wireless/ath/ath10k/Makefile
+++ b/drivers/net/wireless/ath/ath10k/Makefile
@@ -9,7 +9,8 @@ ath10k_core-y += mac.o \
 		 txrx.o \
 		 wmi.o \
 		 wmi-tlv.o \
-		 bmi.o
+		 bmi.o \
+		 hw.o
 
 ath10k_core-$(CONFIG_ATH10K_DEBUGFS) += spectral.o
 ath10k_core-$(CONFIG_NL80211_TESTMODE) += testmode.o
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 42ec79327943e..e508c65b6ba8a 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -803,7 +803,7 @@ int ath10k_ce_disable_interrupts(struct ath10k *ar)
 	int ce_id;
 
 	for (ce_id = 0; ce_id < CE_COUNT; ce_id++) {
-		u32 ctrl_addr = ath10k_ce_base_address(ce_id);
+		u32 ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 
 		ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
 		ath10k_ce_error_intr_disable(ar, ctrl_addr);
@@ -832,7 +832,7 @@ static int ath10k_ce_init_src_ring(struct ath10k *ar,
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
 	struct ath10k_ce_ring *src_ring = ce_state->src_ring;
-	u32 nentries, ctrl_addr = ath10k_ce_base_address(ce_id);
+	u32 nentries, ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 
 	nentries = roundup_pow_of_two(attr->src_nentries);
 
@@ -869,7 +869,7 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar,
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
 	struct ath10k_ce_ring *dest_ring = ce_state->dest_ring;
-	u32 nentries, ctrl_addr = ath10k_ce_base_address(ce_id);
+	u32 nentries, ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 
 	nentries = roundup_pow_of_two(attr->dest_nentries);
 
@@ -1051,7 +1051,7 @@ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id,
 
 static void ath10k_ce_deinit_src_ring(struct ath10k *ar, unsigned int ce_id)
 {
-	u32 ctrl_addr = ath10k_ce_base_address(ce_id);
+	u32 ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 
 	ath10k_ce_src_ring_base_addr_set(ar, ctrl_addr, 0);
 	ath10k_ce_src_ring_size_set(ar, ctrl_addr, 0);
@@ -1061,7 +1061,7 @@ static void ath10k_ce_deinit_src_ring(struct ath10k *ar, unsigned int ce_id)
 
 static void ath10k_ce_deinit_dest_ring(struct ath10k *ar, unsigned int ce_id)
 {
-	u32 ctrl_addr = ath10k_ce_base_address(ce_id);
+	u32 ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 
 	ath10k_ce_dest_ring_base_addr_set(ar, ctrl_addr, 0);
 	ath10k_ce_dest_ring_size_set(ar, ctrl_addr, 0);
@@ -1098,7 +1098,7 @@ int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
 
 	ce_state->ar = ar;
 	ce_state->id = ce_id;
-	ce_state->ctrl_addr = ath10k_ce_base_address(ce_id);
+	ce_state->ctrl_addr = ath10k_ce_base_address(ar, ce_id);
 	ce_state->attr_flags = attr->flags;
 	ce_state->src_sz_max = attr->src_sz_max;
 
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h
index 617a151e8ce4e..c18647b87f71d 100644
--- a/drivers/net/wireless/ath/ath10k/ce.h
+++ b/drivers/net/wireless/ath/ath10k/ce.h
@@ -394,7 +394,7 @@ struct ce_attr {
 #define DST_WATERMARK_HIGH_RESET		0
 #define DST_WATERMARK_ADDRESS			0x0050
 
-static inline u32 ath10k_ce_base_address(unsigned int ce_id)
+static inline u32 ath10k_ce_base_address(struct ath10k *ar, unsigned int ce_id)
 {
 	return CE0_BASE_ADDRESS + (CE1_BASE_ADDRESS - CE0_BASE_ADDRESS) * ce_id;
 }
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 6860afbe68d97..5e9e1a6958f48 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -57,6 +57,34 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 			.board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
 		},
 	},
+	{
+		.id = QCA6174_HW_2_1_VERSION,
+		.name = "qca6174 hw2.1",
+		.patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
+		.uart_pin = 6,
+		.fw = {
+			.dir = QCA6174_HW_2_1_FW_DIR,
+			.fw = QCA6174_HW_2_1_FW_FILE,
+			.otp = QCA6174_HW_2_1_OTP_FILE,
+			.board = QCA6174_HW_2_1_BOARD_DATA_FILE,
+			.board_size = QCA6174_BOARD_DATA_SZ,
+			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+		},
+	},
+	{
+		.id = QCA6174_HW_3_0_VERSION,
+		.name = "qca6174 hw3.0",
+		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
+		.uart_pin = 6,
+		.fw = {
+			.dir = QCA6174_HW_3_0_FW_DIR,
+			.fw = QCA6174_HW_3_0_FW_FILE,
+			.otp = QCA6174_HW_3_0_OTP_FILE,
+			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
+			.board_size = QCA6174_BOARD_DATA_SZ,
+			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+		},
+	},
 };
 
 static void ath10k_send_suspend_complete(struct ath10k *ar)
@@ -1308,6 +1336,7 @@ EXPORT_SYMBOL(ath10k_core_unregister);
 
 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 				  enum ath10k_bus bus,
+				  enum ath10k_hw_rev hw_rev,
 				  const struct ath10k_hif_ops *hif_ops)
 {
 	struct ath10k *ar;
@@ -1320,9 +1349,24 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	ar->ath_common.priv = ar;
 	ar->ath_common.hw = ar->hw;
 	ar->dev = dev;
+	ar->hw_rev = hw_rev;
 	ar->hif.ops = hif_ops;
 	ar->hif.bus = bus;
 
+	switch (hw_rev) {
+	case ATH10K_HW_QCA988X:
+		ar->regs = &qca988x_regs;
+		break;
+	case ATH10K_HW_QCA6174:
+		ar->regs = &qca6174_regs;
+		break;
+	default:
+		ath10k_err(ar, "unsupported core hardware revision %d\n",
+			   hw_rev);
+		ret = -ENOTSUPP;
+		goto err_free_mac;
+	}
+
 	init_completion(&ar->scan.started);
 	init_completion(&ar->scan.completed);
 	init_completion(&ar->scan.on_channel);
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 774d8ceb40535..2d9f871430892 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -471,6 +471,7 @@ struct ath10k {
 	struct device *dev;
 	u8 mac_addr[ETH_ALEN];
 
+	enum ath10k_hw_rev hw_rev;
 	u32 chip_id;
 	u32 target_version;
 	u8 fw_version_major;
@@ -486,9 +487,6 @@ struct ath10k {
 
 	DECLARE_BITMAP(fw_features, ATH10K_FW_FEATURE_COUNT);
 
-	struct targetdef *targetdef;
-	struct hostdef *hostdef;
-
 	bool p2p;
 
 	struct {
@@ -498,6 +496,7 @@ struct ath10k {
 
 	struct completion target_suspend;
 
+	const struct ath10k_hw_regs *regs;
 	struct ath10k_bmi bmi;
 	struct ath10k_wmi wmi;
 	struct ath10k_htc htc;
@@ -662,6 +661,7 @@ struct ath10k {
 
 struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 				  enum ath10k_bus bus,
+				  enum ath10k_hw_rev hw_rev,
 				  const struct ath10k_hif_ops *hif_ops);
 void ath10k_core_destroy(struct ath10k *ar);
 
diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c
new file mode 100644
index 0000000000000..839a8791fb9e4
--- /dev/null
+++ b/drivers/net/wireless/ath/ath10k/hw.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2014-2015 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/types.h>
+#include "hw.h"
+
+const struct ath10k_hw_regs qca988x_regs = {
+	.rtc_state_cold_reset_mask	= 0x00000400,
+	.rtc_soc_base_address		= 0x00004000,
+	.rtc_wmac_base_address		= 0x00005000,
+	.soc_core_base_address		= 0x00009000,
+	.ce_wrapper_base_address	= 0x00057000,
+	.ce0_base_address		= 0x00057400,
+	.ce1_base_address		= 0x00057800,
+	.ce2_base_address		= 0x00057c00,
+	.ce3_base_address		= 0x00058000,
+	.ce4_base_address		= 0x00058400,
+	.ce5_base_address		= 0x00058800,
+	.ce6_base_address		= 0x00058c00,
+	.ce7_base_address		= 0x00059000,
+	.soc_reset_control_si0_rst_mask	= 0x00000001,
+	.soc_reset_control_ce_rst_mask	= 0x00040000,
+	.soc_chip_id_address		= 0x00ec,
+	.scratch_3_address		= 0x0030,
+};
+
+const struct ath10k_hw_regs qca6174_regs = {
+	.rtc_state_cold_reset_mask		= 0x00002000,
+	.rtc_soc_base_address			= 0x00000800,
+	.rtc_wmac_base_address			= 0x00001000,
+	.soc_core_base_address			= 0x0003a000,
+	.ce_wrapper_base_address		= 0x00034000,
+	.ce0_base_address			= 0x00034400,
+	.ce1_base_address			= 0x00034800,
+	.ce2_base_address			= 0x00034c00,
+	.ce3_base_address			= 0x00035000,
+	.ce4_base_address			= 0x00035400,
+	.ce5_base_address			= 0x00035800,
+	.ce6_base_address			= 0x00035c00,
+	.ce7_base_address			= 0x00036000,
+	.soc_reset_control_si0_rst_mask		= 0x00000000,
+	.soc_reset_control_ce_rst_mask		= 0x00000001,
+	.soc_chip_id_address			= 0x000f0,
+	.scratch_3_address			= 0x0028,
+};
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 7b771ae7789fb..577127844ec8e 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -34,6 +34,43 @@
 #define QCA988X_HW_2_0_BOARD_DATA_FILE	"board.bin"
 #define QCA988X_HW_2_0_PATCH_LOAD_ADDR	0x1234
 
+/* QCA6174 target BMI version signatures */
+#define QCA6174_HW_1_0_VERSION		0x05000000
+#define QCA6174_HW_1_1_VERSION		0x05000001
+#define QCA6174_HW_1_3_VERSION		0x05000003
+#define QCA6174_HW_2_1_VERSION		0x05010000
+#define QCA6174_HW_3_0_VERSION		0x05020000
+
+enum qca6174_pci_rev {
+	QCA6174_PCI_REV_1_1 = 0x11,
+	QCA6174_PCI_REV_1_3 = 0x13,
+	QCA6174_PCI_REV_2_0 = 0x20,
+	QCA6174_PCI_REV_3_0 = 0x30,
+};
+
+enum qca6174_chip_id_rev {
+	QCA6174_HW_1_0_CHIP_ID_REV = 0,
+	QCA6174_HW_1_1_CHIP_ID_REV = 1,
+	QCA6174_HW_1_3_CHIP_ID_REV = 2,
+	QCA6174_HW_2_1_CHIP_ID_REV = 4,
+	QCA6174_HW_2_2_CHIP_ID_REV = 5,
+	QCA6174_HW_3_0_CHIP_ID_REV = 8,
+	QCA6174_HW_3_1_CHIP_ID_REV = 9,
+	QCA6174_HW_3_2_CHIP_ID_REV = 10,
+};
+
+#define QCA6174_HW_2_1_FW_DIR		"ath10k/QCA6174/hw2.1"
+#define QCA6174_HW_2_1_FW_FILE		"firmware.bin"
+#define QCA6174_HW_2_1_OTP_FILE		"otp.bin"
+#define QCA6174_HW_2_1_BOARD_DATA_FILE	"board.bin"
+#define QCA6174_HW_2_1_PATCH_LOAD_ADDR	0x1234
+
+#define QCA6174_HW_3_0_FW_DIR		"ath10k/QCA6174/hw3.0"
+#define QCA6174_HW_3_0_FW_FILE		"firmware.bin"
+#define QCA6174_HW_3_0_OTP_FILE		"otp.bin"
+#define QCA6174_HW_3_0_BOARD_DATA_FILE	"board.bin"
+#define QCA6174_HW_3_0_PATCH_LOAD_ADDR	0x1234
+
 #define ATH10K_FW_API2_FILE		"firmware-2.bin"
 #define ATH10K_FW_API3_FILE		"firmware-3.bin"
 
@@ -81,6 +118,37 @@ enum ath10k_fw_wmi_op_version {
 	ATH10K_FW_WMI_OP_VERSION_MAX,
 };
 
+enum ath10k_hw_rev {
+	ATH10K_HW_QCA988X,
+	ATH10K_HW_QCA6174,
+};
+
+struct ath10k_hw_regs {
+	u32 rtc_state_cold_reset_mask;
+	u32 rtc_soc_base_address;
+	u32 rtc_wmac_base_address;
+	u32 soc_core_base_address;
+	u32 ce_wrapper_base_address;
+	u32 ce0_base_address;
+	u32 ce1_base_address;
+	u32 ce2_base_address;
+	u32 ce3_base_address;
+	u32 ce4_base_address;
+	u32 ce5_base_address;
+	u32 ce6_base_address;
+	u32 ce7_base_address;
+	u32 soc_reset_control_si0_rst_mask;
+	u32 soc_reset_control_ce_rst_mask;
+	u32 soc_chip_id_address;
+	u32 scratch_3_address;
+};
+
+extern const struct ath10k_hw_regs qca988x_regs;
+extern const struct ath10k_hw_regs qca6174_regs;
+
+#define QCA_REV_988X(ar) ((ar)->hw_rev == ATH10K_HW_QCA988X)
+#define QCA_REV_6174(ar) ((ar)->hw_rev == ATH10K_HW_QCA6174)
+
 /* Known pecularities:
  *  - current FW doesn't support raw rx mode (last tested v599)
  *  - current FW dumps upon raw tx mode (last tested v599)
@@ -225,7 +293,7 @@ struct ath10k_pktlog_hdr {
 /* as of IP3.7.1 */
 #define RTC_STATE_V_ON				3
 
-#define RTC_STATE_COLD_RESET_MASK		0x00000400
+#define RTC_STATE_COLD_RESET_MASK		ar->regs->rtc_state_cold_reset_mask
 #define RTC_STATE_V_LSB				0
 #define RTC_STATE_V_MASK			0x00000007
 #define RTC_STATE_ADDRESS			0x0000
@@ -234,12 +302,12 @@ struct ath10k_pktlog_hdr {
 #define PCIE_SOC_WAKE_RESET			0x00000000
 #define SOC_GLOBAL_RESET_ADDRESS		0x0008
 
-#define RTC_SOC_BASE_ADDRESS			0x00004000
-#define RTC_WMAC_BASE_ADDRESS			0x00005000
+#define RTC_SOC_BASE_ADDRESS			ar->regs->rtc_soc_base_address
+#define RTC_WMAC_BASE_ADDRESS			ar->regs->rtc_wmac_base_address
 #define MAC_COEX_BASE_ADDRESS			0x00006000
 #define BT_COEX_BASE_ADDRESS			0x00007000
 #define SOC_PCIE_BASE_ADDRESS			0x00008000
-#define SOC_CORE_BASE_ADDRESS			0x00009000
+#define SOC_CORE_BASE_ADDRESS			ar->regs->soc_core_base_address
 #define WLAN_UART_BASE_ADDRESS			0x0000c000
 #define WLAN_SI_BASE_ADDRESS			0x00010000
 #define WLAN_GPIO_BASE_ADDRESS			0x00014000
@@ -248,23 +316,23 @@ struct ath10k_pktlog_hdr {
 #define EFUSE_BASE_ADDRESS			0x00030000
 #define FPGA_REG_BASE_ADDRESS			0x00039000
 #define WLAN_UART2_BASE_ADDRESS			0x00054c00
-#define CE_WRAPPER_BASE_ADDRESS			0x00057000
-#define CE0_BASE_ADDRESS			0x00057400
-#define CE1_BASE_ADDRESS			0x00057800
-#define CE2_BASE_ADDRESS			0x00057c00
-#define CE3_BASE_ADDRESS			0x00058000
-#define CE4_BASE_ADDRESS			0x00058400
-#define CE5_BASE_ADDRESS			0x00058800
-#define CE6_BASE_ADDRESS			0x00058c00
-#define CE7_BASE_ADDRESS			0x00059000
+#define CE_WRAPPER_BASE_ADDRESS			ar->regs->ce_wrapper_base_address
+#define CE0_BASE_ADDRESS			ar->regs->ce0_base_address
+#define CE1_BASE_ADDRESS			ar->regs->ce1_base_address
+#define CE2_BASE_ADDRESS			ar->regs->ce2_base_address
+#define CE3_BASE_ADDRESS			ar->regs->ce3_base_address
+#define CE4_BASE_ADDRESS			ar->regs->ce4_base_address
+#define CE5_BASE_ADDRESS			ar->regs->ce5_base_address
+#define CE6_BASE_ADDRESS			ar->regs->ce6_base_address
+#define CE7_BASE_ADDRESS			ar->regs->ce7_base_address
 #define DBI_BASE_ADDRESS			0x00060000
 #define WLAN_ANALOG_INTF_PCIE_BASE_ADDRESS	0x0006c000
 #define PCIE_LOCAL_BASE_ADDRESS			0x00080000
 
 #define SOC_RESET_CONTROL_ADDRESS		0x00000000
 #define SOC_RESET_CONTROL_OFFSET		0x00000000
-#define SOC_RESET_CONTROL_SI0_RST_MASK		0x00000001
-#define SOC_RESET_CONTROL_CE_RST_MASK		0x00040000
+#define SOC_RESET_CONTROL_SI0_RST_MASK		ar->regs->soc_reset_control_si0_rst_mask
+#define SOC_RESET_CONTROL_CE_RST_MASK		ar->regs->soc_reset_control_ce_rst_mask
 #define SOC_RESET_CONTROL_CPU_WARM_RST_MASK	0x00000040
 #define SOC_CPU_CLOCK_OFFSET			0x00000020
 #define SOC_CPU_CLOCK_STANDARD_LSB		0
@@ -278,7 +346,7 @@ struct ath10k_pktlog_hdr {
 #define SOC_LF_TIMER_CONTROL0_ADDRESS		0x00000050
 #define SOC_LF_TIMER_CONTROL0_ENABLE_MASK	0x00000004
 
-#define SOC_CHIP_ID_ADDRESS			0x000000ec
+#define SOC_CHIP_ID_ADDRESS			ar->regs->soc_chip_id_address
 #define SOC_CHIP_ID_REV_LSB			8
 #define SOC_CHIP_ID_REV_MASK			0x00000f00
 
@@ -334,7 +402,7 @@ struct ath10k_pktlog_hdr {
 #define PCIE_INTR_ENABLE_ADDRESS		0x0008
 #define PCIE_INTR_CAUSE_ADDRESS			0x000c
 #define PCIE_INTR_CLR_ADDRESS			0x0014
-#define SCRATCH_3_ADDRESS			0x0030
+#define SCRATCH_3_ADDRESS			ar->regs->scratch_3_address
 #define CPU_INTR_ADDRESS			0x0010
 
 /* Firmware indications to the Host via SCRATCH_3 register. */
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index e0c9f4633a824..a31746df7accb 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -58,9 +58,11 @@ MODULE_PARM_DESC(reset_mode, "0: auto, 1: warm only (default: 0)");
 #define ATH10K_PCI_NUM_WARM_RESET_ATTEMPTS 3
 
 #define QCA988X_2_0_DEVICE_ID	(0x003c)
+#define QCA6174_2_1_DEVICE_ID	(0x003e)
 
 static const struct pci_device_id ath10k_pci_id_table[] = {
 	{ PCI_VDEVICE(ATHEROS, QCA988X_2_0_DEVICE_ID) }, /* PCI-E QCA988X V2 */
+	{ PCI_VDEVICE(ATHEROS, QCA6174_2_1_DEVICE_ID) }, /* PCI-E QCA6174 V2.1 */
 	{0}
 };
 
@@ -70,6 +72,11 @@ static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = {
 	 * because of that.
 	 */
 	{ QCA988X_2_0_DEVICE_ID, QCA988X_HW_2_0_CHIP_ID_REV },
+	{ QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_1_CHIP_ID_REV },
+	{ QCA6174_2_1_DEVICE_ID, QCA6174_HW_2_2_CHIP_ID_REV },
+	{ QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_0_CHIP_ID_REV },
+	{ QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_1_CHIP_ID_REV },
+	{ QCA6174_2_1_DEVICE_ID, QCA6174_HW_3_2_CHIP_ID_REV },
 };
 
 static void ath10k_pci_buffer_cleanup(struct ath10k *ar);
@@ -1506,6 +1513,35 @@ static int ath10k_pci_wake_target_cpu(struct ath10k *ar)
 	return 0;
 }
 
+static int ath10k_pci_get_num_banks(struct ath10k *ar)
+{
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+	switch (ar_pci->pdev->device) {
+	case QCA988X_2_0_DEVICE_ID:
+		return 1;
+	case QCA6174_2_1_DEVICE_ID:
+		switch (MS(ar->chip_id, SOC_CHIP_ID_REV)) {
+		case QCA6174_HW_1_0_CHIP_ID_REV:
+		case QCA6174_HW_1_1_CHIP_ID_REV:
+			return 3;
+		case QCA6174_HW_1_3_CHIP_ID_REV:
+			return 2;
+		case QCA6174_HW_2_1_CHIP_ID_REV:
+		case QCA6174_HW_2_2_CHIP_ID_REV:
+			return 6;
+		case QCA6174_HW_3_0_CHIP_ID_REV:
+		case QCA6174_HW_3_1_CHIP_ID_REV:
+		case QCA6174_HW_3_2_CHIP_ID_REV:
+			return 9;
+		}
+		break;
+	}
+
+	ath10k_warn(ar, "unknown number of banks, assuming 1\n");
+	return 1;
+}
+
 static int ath10k_pci_init_config(struct ath10k *ar)
 {
 	u32 interconnect_targ_addr;
@@ -1616,7 +1652,8 @@ static int ath10k_pci_init_config(struct ath10k *ar)
 	/* first bank is switched to IRAM */
 	ealloc_value |= ((HI_EARLY_ALLOC_MAGIC << HI_EARLY_ALLOC_MAGIC_SHIFT) &
 			 HI_EARLY_ALLOC_MAGIC_MASK);
-	ealloc_value |= ((1 << HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
+	ealloc_value |= ((ath10k_pci_get_num_banks(ar) <<
+			  HI_EARLY_ALLOC_IRAM_BANKS_SHIFT) &
 			 HI_EARLY_ALLOC_IRAM_BANKS_MASK);
 
 	ret = ath10k_pci_diag_write32(ar, ealloc_targ_addr, ealloc_value);
@@ -1812,12 +1849,12 @@ static int ath10k_pci_warm_reset(struct ath10k *ar)
 	return 0;
 }
 
-static int ath10k_pci_chip_reset(struct ath10k *ar)
+static int ath10k_pci_qca988x_chip_reset(struct ath10k *ar)
 {
 	int i, ret;
 	u32 val;
 
-	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip reset\n");
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot 988x chip reset\n");
 
 	/* Some hardware revisions (e.g. CUS223v2) has issues with cold reset.
 	 * It is thus preferred to use warm reset which is safer but may not be
@@ -1881,11 +1918,53 @@ static int ath10k_pci_chip_reset(struct ath10k *ar)
 		return ret;
 	}
 
-	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip reset complete (cold)\n");
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca988x chip reset complete (cold)\n");
+
+	return 0;
+}
+
+static int ath10k_pci_qca6174_chip_reset(struct ath10k *ar)
+{
+	int ret;
+
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset\n");
+
+	/* FIXME: QCA6174 requires cold + warm reset to work. */
+
+	ret = ath10k_pci_cold_reset(ar);
+	if (ret) {
+		ath10k_warn(ar, "failed to cold reset: %d\n", ret);
+		return ret;
+	}
+
+	ret = ath10k_pci_wait_for_target_init(ar);
+	if (ret) {
+		ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
+				ret);
+		return ret;
+	}
+
+	ret = ath10k_pci_warm_reset(ar);
+	if (ret) {
+		ath10k_warn(ar, "failed to warm reset: %d\n", ret);
+		return ret;
+	}
+
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca6174 chip reset complete (cold)\n");
 
 	return 0;
 }
 
+static int ath10k_pci_chip_reset(struct ath10k *ar)
+{
+	if (QCA_REV_988X(ar))
+		return ath10k_pci_qca988x_chip_reset(ar);
+	else if (QCA_REV_6174(ar))
+		return ath10k_pci_qca6174_chip_reset(ar);
+	else
+		return -ENOTSUPP;
+}
+
 static int ath10k_pci_hif_power_up(struct ath10k *ar)
 {
 	int ret;
@@ -2511,11 +2590,23 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 	int ret = 0;
 	struct ath10k *ar;
 	struct ath10k_pci *ar_pci;
+	enum ath10k_hw_rev hw_rev;
 	u32 chip_id;
 
-	ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev,
-				ATH10K_BUS_PCI,
-				&ath10k_pci_hif_ops);
+	switch (pci_dev->device) {
+	case QCA988X_2_0_DEVICE_ID:
+		hw_rev = ATH10K_HW_QCA988X;
+		break;
+	case QCA6174_2_1_DEVICE_ID:
+		hw_rev = ATH10K_HW_QCA6174;
+		break;
+	default:
+		WARN_ON(1);
+		return -ENOTSUPP;
+	}
+
+	ar = ath10k_core_create(sizeof(*ar_pci), &pdev->dev, ATH10K_BUS_PCI,
+				hw_rev, &ath10k_pci_hif_ops);
 	if (!ar) {
 		dev_err(&pdev->dev, "failed to allocate core\n");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/ath/ath10k/targaddrs.h b/drivers/net/wireless/ath/ath10k/targaddrs.h
index 9d0ae30f9ff18..a417aae52623d 100644
--- a/drivers/net/wireless/ath/ath10k/targaddrs.h
+++ b/drivers/net/wireless/ath/ath10k/targaddrs.h
@@ -18,6 +18,8 @@
 #ifndef __TARGADDRS_H__
 #define __TARGADDRS_H__
 
+#include "hw.h"
+
 /*
  * xxx_HOST_INTEREST_ADDRESS is the address in Target RAM of the
  * host_interest structure.  It must match the address of the _host_interest
@@ -445,4 +447,7 @@ Fw Mode/SubMode Mask
 #define QCA988X_BOARD_DATA_SZ     7168
 #define QCA988X_BOARD_EXT_DATA_SZ 0
 
+#define QCA6174_BOARD_DATA_SZ     8192
+#define QCA6174_BOARD_EXT_DATA_SZ 0
+
 #endif /* __TARGADDRS_H__ */

From b91251fbe88c9db1a7af29cfe49ca50aa4da9cd2 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:49 +0200
Subject: [PATCH 33/55] ath10k: split fw pdev stats parsing

This will make it easier to implement fw stats
parsing for firmware 10.2.

This also renames a few structures for
consistency.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi.c | 117 +++++++++++++++-----------
 drivers/net/wireless/ath/ath10k/wmi.h |  55 +++++++-----
 2 files changed, 100 insertions(+), 72 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 5fe17e80bc6b2..ce095dac5b44a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1680,12 +1680,9 @@ int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb)
 	return 0;
 }
 
-void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src,
-				struct ath10k_fw_stats_pdev *dst)
+void ath10k_wmi_pull_pdev_stats_base(const struct wmi_pdev_stats_base *src,
+				     struct ath10k_fw_stats_pdev *dst)
 {
-	const struct wal_dbg_tx_stats *tx = &src->wal.tx;
-	const struct wal_dbg_rx_stats *rx = &src->wal.rx;
-
 	dst->ch_noise_floor = __le32_to_cpu(src->chan_nf);
 	dst->tx_frame_count = __le32_to_cpu(src->tx_frame_count);
 	dst->rx_frame_count = __le32_to_cpu(src->rx_frame_count);
@@ -1693,44 +1690,63 @@ void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src,
 	dst->cycle_count = __le32_to_cpu(src->cycle_count);
 	dst->phy_err_count = __le32_to_cpu(src->phy_err_count);
 	dst->chan_tx_power = __le32_to_cpu(src->chan_tx_pwr);
+}
 
-	dst->comp_queued = __le32_to_cpu(tx->comp_queued);
-	dst->comp_delivered = __le32_to_cpu(tx->comp_delivered);
-	dst->msdu_enqued = __le32_to_cpu(tx->msdu_enqued);
-	dst->mpdu_enqued = __le32_to_cpu(tx->mpdu_enqued);
-	dst->wmm_drop = __le32_to_cpu(tx->wmm_drop);
-	dst->local_enqued = __le32_to_cpu(tx->local_enqued);
-	dst->local_freed = __le32_to_cpu(tx->local_freed);
-	dst->hw_queued = __le32_to_cpu(tx->hw_queued);
-	dst->hw_reaped = __le32_to_cpu(tx->hw_reaped);
-	dst->underrun = __le32_to_cpu(tx->underrun);
-	dst->tx_abort = __le32_to_cpu(tx->tx_abort);
-	dst->mpdus_requed = __le32_to_cpu(tx->mpdus_requed);
-	dst->tx_ko = __le32_to_cpu(tx->tx_ko);
-	dst->data_rc = __le32_to_cpu(tx->data_rc);
-	dst->self_triggers = __le32_to_cpu(tx->self_triggers);
-	dst->sw_retry_failure = __le32_to_cpu(tx->sw_retry_failure);
-	dst->illgl_rate_phy_err = __le32_to_cpu(tx->illgl_rate_phy_err);
-	dst->pdev_cont_xretry = __le32_to_cpu(tx->pdev_cont_xretry);
-	dst->pdev_tx_timeout = __le32_to_cpu(tx->pdev_tx_timeout);
-	dst->pdev_resets = __le32_to_cpu(tx->pdev_resets);
-	dst->phy_underrun = __le32_to_cpu(tx->phy_underrun);
-	dst->txop_ovf = __le32_to_cpu(tx->txop_ovf);
-
-	dst->mid_ppdu_route_change = __le32_to_cpu(rx->mid_ppdu_route_change);
-	dst->status_rcvd = __le32_to_cpu(rx->status_rcvd);
-	dst->r0_frags = __le32_to_cpu(rx->r0_frags);
-	dst->r1_frags = __le32_to_cpu(rx->r1_frags);
-	dst->r2_frags = __le32_to_cpu(rx->r2_frags);
-	dst->r3_frags = __le32_to_cpu(rx->r3_frags);
-	dst->htt_msdus = __le32_to_cpu(rx->htt_msdus);
-	dst->htt_mpdus = __le32_to_cpu(rx->htt_mpdus);
-	dst->loc_msdus = __le32_to_cpu(rx->loc_msdus);
-	dst->loc_mpdus = __le32_to_cpu(rx->loc_mpdus);
-	dst->oversize_amsdu = __le32_to_cpu(rx->oversize_amsdu);
-	dst->phy_errs = __le32_to_cpu(rx->phy_errs);
-	dst->phy_err_drop = __le32_to_cpu(rx->phy_err_drop);
-	dst->mpdu_errs = __le32_to_cpu(rx->mpdu_errs);
+void ath10k_wmi_pull_pdev_stats_tx(const struct wmi_pdev_stats_tx *src,
+				   struct ath10k_fw_stats_pdev *dst)
+{
+	dst->comp_queued = __le32_to_cpu(src->comp_queued);
+	dst->comp_delivered = __le32_to_cpu(src->comp_delivered);
+	dst->msdu_enqued = __le32_to_cpu(src->msdu_enqued);
+	dst->mpdu_enqued = __le32_to_cpu(src->mpdu_enqued);
+	dst->wmm_drop = __le32_to_cpu(src->wmm_drop);
+	dst->local_enqued = __le32_to_cpu(src->local_enqued);
+	dst->local_freed = __le32_to_cpu(src->local_freed);
+	dst->hw_queued = __le32_to_cpu(src->hw_queued);
+	dst->hw_reaped = __le32_to_cpu(src->hw_reaped);
+	dst->underrun = __le32_to_cpu(src->underrun);
+	dst->tx_abort = __le32_to_cpu(src->tx_abort);
+	dst->mpdus_requed = __le32_to_cpu(src->mpdus_requed);
+	dst->tx_ko = __le32_to_cpu(src->tx_ko);
+	dst->data_rc = __le32_to_cpu(src->data_rc);
+	dst->self_triggers = __le32_to_cpu(src->self_triggers);
+	dst->sw_retry_failure = __le32_to_cpu(src->sw_retry_failure);
+	dst->illgl_rate_phy_err = __le32_to_cpu(src->illgl_rate_phy_err);
+	dst->pdev_cont_xretry = __le32_to_cpu(src->pdev_cont_xretry);
+	dst->pdev_tx_timeout = __le32_to_cpu(src->pdev_tx_timeout);
+	dst->pdev_resets = __le32_to_cpu(src->pdev_resets);
+	dst->phy_underrun = __le32_to_cpu(src->phy_underrun);
+	dst->txop_ovf = __le32_to_cpu(src->txop_ovf);
+}
+
+void ath10k_wmi_pull_pdev_stats_rx(const struct wmi_pdev_stats_rx *src,
+				   struct ath10k_fw_stats_pdev *dst)
+{
+	dst->mid_ppdu_route_change = __le32_to_cpu(src->mid_ppdu_route_change);
+	dst->status_rcvd = __le32_to_cpu(src->status_rcvd);
+	dst->r0_frags = __le32_to_cpu(src->r0_frags);
+	dst->r1_frags = __le32_to_cpu(src->r1_frags);
+	dst->r2_frags = __le32_to_cpu(src->r2_frags);
+	dst->r3_frags = __le32_to_cpu(src->r3_frags);
+	dst->htt_msdus = __le32_to_cpu(src->htt_msdus);
+	dst->htt_mpdus = __le32_to_cpu(src->htt_mpdus);
+	dst->loc_msdus = __le32_to_cpu(src->loc_msdus);
+	dst->loc_mpdus = __le32_to_cpu(src->loc_mpdus);
+	dst->oversize_amsdu = __le32_to_cpu(src->oversize_amsdu);
+	dst->phy_errs = __le32_to_cpu(src->phy_errs);
+	dst->phy_err_drop = __le32_to_cpu(src->phy_err_drop);
+	dst->mpdu_errs = __le32_to_cpu(src->mpdu_errs);
+}
+
+void ath10k_wmi_pull_pdev_stats_extra(const struct wmi_pdev_stats_extra *src,
+				      struct ath10k_fw_stats_pdev *dst)
+{
+	dst->ack_rx_bad = __le32_to_cpu(src->ack_rx_bad);
+	dst->rts_bad = __le32_to_cpu(src->rts_bad);
+	dst->rts_good = __le32_to_cpu(src->rts_good);
+	dst->fcs_bad = __le32_to_cpu(src->fcs_bad);
+	dst->no_beacons = __le32_to_cpu(src->no_beacons);
+	dst->mib_int_count = __le32_to_cpu(src->mib_int_count);
 }
 
 void ath10k_wmi_pull_peer_stats(const struct wmi_peer_stats *src,
@@ -1768,7 +1784,10 @@ static int ath10k_wmi_main_op_pull_fw_stats(struct ath10k *ar,
 		if (!dst)
 			continue;
 
-		ath10k_wmi_pull_pdev_stats(src, dst);
+		ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+		ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+		ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+
 		list_add_tail(&dst->list, &stats->pdevs);
 	}
 
@@ -1820,14 +1839,10 @@ static int ath10k_wmi_10x_op_pull_fw_stats(struct ath10k *ar,
 		if (!dst)
 			continue;
 
-		ath10k_wmi_pull_pdev_stats(&src->old, dst);
-
-		dst->ack_rx_bad = __le32_to_cpu(src->ack_rx_bad);
-		dst->rts_bad = __le32_to_cpu(src->rts_bad);
-		dst->rts_good = __le32_to_cpu(src->rts_good);
-		dst->fcs_bad = __le32_to_cpu(src->fcs_bad);
-		dst->no_beacons = __le32_to_cpu(src->no_beacons);
-		dst->mib_int_count = __le32_to_cpu(src->mib_int_count);
+		ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+		ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+		ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+		ath10k_wmi_pull_pdev_stats_extra(&src->extra, dst);
 
 		list_add_tail(&dst->list, &stats->pdevs);
 	}
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index bd7f29a3a122b..109ed623b82f0 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -2946,7 +2946,7 @@ struct wmi_pdev_set_wmm_params_arg {
 	struct wmi_wmm_params_arg ac_vo;
 };
 
-struct wal_dbg_tx_stats {
+struct wmi_pdev_stats_tx {
 	/* Num HTT cookies queued to dispatch list */
 	__le32 comp_queued;
 
@@ -3016,7 +3016,7 @@ struct wal_dbg_tx_stats {
 	__le32 txop_ovf;
 } __packed;
 
-struct wal_dbg_rx_stats {
+struct wmi_pdev_stats_rx {
 	/* Cnts any change in ring routing mid-ppdu */
 	__le32 mid_ppdu_route_change;
 
@@ -3050,17 +3050,11 @@ struct wal_dbg_rx_stats {
 	__le32 mpdu_errs;
 } __packed;
 
-struct wal_dbg_peer_stats {
+struct wmi_pdev_stats_peer {
 	/* REMOVE THIS ONCE REAL PEER STAT COUNTERS ARE ADDED */
 	__le32 dummy;
 } __packed;
 
-struct wal_dbg_stats {
-	struct wal_dbg_tx_stats tx;
-	struct wal_dbg_rx_stats rx;
-	struct wal_dbg_peer_stats peer;
-} __packed;
-
 enum wmi_stats_id {
 	WMI_REQUEST_PEER_STAT	= 0x01,
 	WMI_REQUEST_AP_STAT	= 0x02
@@ -3131,19 +3125,24 @@ struct wmi_stats_event {
  * PDEV statistics
  * TODO: add all PDEV stats here
  */
+struct wmi_pdev_stats_base {
+	__le32 chan_nf;
+	__le32 tx_frame_count;
+	__le32 rx_frame_count;
+	__le32 rx_clear_count;
+	__le32 cycle_count;
+	__le32 phy_err_count;
+	__le32 chan_tx_pwr;
+} __packed;
+
 struct wmi_pdev_stats {
-	__le32 chan_nf;        /* Channel noise floor */
-	__le32 tx_frame_count; /* TX frame count */
-	__le32 rx_frame_count; /* RX frame count */
-	__le32 rx_clear_count; /* rx clear count */
-	__le32 cycle_count;    /* cycle count */
-	__le32 phy_err_count;  /* Phy error count */
-	__le32 chan_tx_pwr;    /* channel tx power */
-	struct wal_dbg_stats wal; /* WAL dbg stats */
+	struct wmi_pdev_stats_base base;
+	struct wmi_pdev_stats_tx tx;
+	struct wmi_pdev_stats_rx rx;
+	struct wmi_pdev_stats_peer peer;
 } __packed;
 
-struct wmi_10x_pdev_stats {
-	struct wmi_pdev_stats old;
+struct wmi_pdev_stats_extra {
 	__le32 ack_rx_bad;
 	__le32 rts_bad;
 	__le32 rts_good;
@@ -3152,6 +3151,14 @@ struct wmi_10x_pdev_stats {
 	__le32 mib_int_count;
 } __packed;
 
+struct wmi_10x_pdev_stats {
+	struct wmi_pdev_stats_base base;
+	struct wmi_pdev_stats_tx tx;
+	struct wmi_pdev_stats_rx rx;
+	struct wmi_pdev_stats_peer peer;
+	struct wmi_pdev_stats_extra extra;
+} __packed;
+
 /*
  * VDEV statistics
  * TODO: add all VDEV stats here
@@ -4772,8 +4779,14 @@ int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb,
 			       u32 cmd_id);
 void ath10k_wmi_start_scan_init(struct ath10k *ar, struct wmi_start_scan_arg *);
 
-void ath10k_wmi_pull_pdev_stats(const struct wmi_pdev_stats *src,
-				struct ath10k_fw_stats_pdev *dst);
+void ath10k_wmi_pull_pdev_stats_base(const struct wmi_pdev_stats_base *src,
+				     struct ath10k_fw_stats_pdev *dst);
+void ath10k_wmi_pull_pdev_stats_tx(const struct wmi_pdev_stats_tx *src,
+				   struct ath10k_fw_stats_pdev *dst);
+void ath10k_wmi_pull_pdev_stats_rx(const struct wmi_pdev_stats_rx *src,
+				   struct ath10k_fw_stats_pdev *dst);
+void ath10k_wmi_pull_pdev_stats_extra(const struct wmi_pdev_stats_extra *src,
+				      struct ath10k_fw_stats_pdev *dst);
 void ath10k_wmi_pull_peer_stats(const struct wmi_peer_stats *src,
 				struct ath10k_fw_stats_peer *dst);
 void ath10k_wmi_put_host_mem_chunks(struct ath10k *ar,

From 20de2229c634382777eb3b8fc54a34be9669ff8a Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:49 +0200
Subject: [PATCH 34/55] ath10k: fix 10.2 fw stats parsing

Both 10.2 firmware binaries 10.2-00082-4 and
10.2.4.20 have introduced ABI changes to fw_stats
each. This caused fw_stats to output wrong data.

Define new structures and use them to parse the
statistics correctly.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi.c | 162 +++++++++++++++++++++++++-
 drivers/net/wireless/ath/ath10k/wmi.h |  52 +++++++++
 2 files changed, 212 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index ce095dac5b44a..fb1e2d1f343c4 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1871,6 +1871,164 @@ static int ath10k_wmi_10x_op_pull_fw_stats(struct ath10k *ar,
 	return 0;
 }
 
+static int ath10k_wmi_10_2_op_pull_fw_stats(struct ath10k *ar,
+					    struct sk_buff *skb,
+					    struct ath10k_fw_stats *stats)
+{
+	const struct wmi_10_2_stats_event *ev = (void *)skb->data;
+	u32 num_pdev_stats;
+	u32 num_pdev_ext_stats;
+	u32 num_vdev_stats;
+	u32 num_peer_stats;
+	int i;
+
+	if (!skb_pull(skb, sizeof(*ev)))
+		return -EPROTO;
+
+	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
+	num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
+	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
+	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
+
+	for (i = 0; i < num_pdev_stats; i++) {
+		const struct wmi_10_2_pdev_stats *src;
+		struct ath10k_fw_stats_pdev *dst;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+		if (!dst)
+			continue;
+
+		ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+		ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+		ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+		ath10k_wmi_pull_pdev_stats_extra(&src->extra, dst);
+		/* FIXME: expose 10.2 specific values */
+
+		list_add_tail(&dst->list, &stats->pdevs);
+	}
+
+	for (i = 0; i < num_pdev_ext_stats; i++) {
+		const struct wmi_10_2_pdev_ext_stats *src;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		/* FIXME: expose values to userspace
+		 *
+		 * Note: Even though this loop seems to do nothing it is
+		 * required to parse following sub-structures properly.
+		 */
+	}
+
+	/* fw doesn't implement vdev stats */
+
+	for (i = 0; i < num_peer_stats; i++) {
+		const struct wmi_10_2_peer_stats *src;
+		struct ath10k_fw_stats_peer *dst;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+		if (!dst)
+			continue;
+
+		ath10k_wmi_pull_peer_stats(&src->old, dst);
+
+		dst->peer_rx_rate = __le32_to_cpu(src->peer_rx_rate);
+		/* FIXME: expose 10.2 specific values */
+
+		list_add_tail(&dst->list, &stats->peers);
+	}
+
+	return 0;
+}
+
+static int ath10k_wmi_10_2_4_op_pull_fw_stats(struct ath10k *ar,
+					      struct sk_buff *skb,
+					      struct ath10k_fw_stats *stats)
+{
+	const struct wmi_10_2_stats_event *ev = (void *)skb->data;
+	u32 num_pdev_stats;
+	u32 num_pdev_ext_stats;
+	u32 num_vdev_stats;
+	u32 num_peer_stats;
+	int i;
+
+	if (!skb_pull(skb, sizeof(*ev)))
+		return -EPROTO;
+
+	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
+	num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
+	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
+	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
+
+	for (i = 0; i < num_pdev_stats; i++) {
+		const struct wmi_10_2_pdev_stats *src;
+		struct ath10k_fw_stats_pdev *dst;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+		if (!dst)
+			continue;
+
+		ath10k_wmi_pull_pdev_stats_base(&src->base, dst);
+		ath10k_wmi_pull_pdev_stats_tx(&src->tx, dst);
+		ath10k_wmi_pull_pdev_stats_rx(&src->rx, dst);
+		ath10k_wmi_pull_pdev_stats_extra(&src->extra, dst);
+		/* FIXME: expose 10.2 specific values */
+
+		list_add_tail(&dst->list, &stats->pdevs);
+	}
+
+	for (i = 0; i < num_pdev_ext_stats; i++) {
+		const struct wmi_10_2_pdev_ext_stats *src;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		/* FIXME: expose values to userspace
+		 *
+		 * Note: Even though this loop seems to do nothing it is
+		 * required to parse following sub-structures properly.
+		 */
+	}
+
+	/* fw doesn't implement vdev stats */
+
+	for (i = 0; i < num_peer_stats; i++) {
+		const struct wmi_10_2_4_peer_stats *src;
+		struct ath10k_fw_stats_peer *dst;
+
+		src = (void *)skb->data;
+		if (!skb_pull(skb, sizeof(*src)))
+			return -EPROTO;
+
+		dst = kzalloc(sizeof(*dst), GFP_ATOMIC);
+		if (!dst)
+			continue;
+
+		ath10k_wmi_pull_peer_stats(&src->common.old, dst);
+
+		dst->peer_rx_rate = __le32_to_cpu(src->common.peer_rx_rate);
+		/* FIXME: expose 10.2 specific values */
+
+		list_add_tail(&dst->list, &stats->peers);
+	}
+
+	return 0;
+}
+
 void ath10k_wmi_event_update_stats(struct ath10k *ar, struct sk_buff *skb)
 {
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_UPDATE_STATS_EVENTID\n");
@@ -5121,6 +5279,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 
 static const struct wmi_ops wmi_10_2_ops = {
 	.rx = ath10k_wmi_10_2_op_rx,
+	.pull_fw_stats = ath10k_wmi_10_2_op_pull_fw_stats,
 	.gen_init = ath10k_wmi_10_2_op_gen_init,
 	.gen_peer_assoc = ath10k_wmi_10_2_op_gen_peer_assoc,
 	/* .gen_pdev_get_temperature not implemented */
@@ -5128,7 +5287,6 @@ static const struct wmi_ops wmi_10_2_ops = {
 	/* shared with 10.1 */
 	.map_svc = wmi_10x_svc_map,
 	.pull_svc_rdy = ath10k_wmi_10x_op_pull_svc_rdy_ev,
-	.pull_fw_stats = ath10k_wmi_10x_op_pull_fw_stats,
 	.gen_pdev_set_rd = ath10k_wmi_10x_op_gen_pdev_set_rd,
 	.gen_start_scan = ath10k_wmi_10x_op_gen_start_scan,
 
@@ -5180,6 +5338,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 
 static const struct wmi_ops wmi_10_2_4_ops = {
 	.rx = ath10k_wmi_10_2_op_rx,
+	.pull_fw_stats = ath10k_wmi_10_2_4_op_pull_fw_stats,
 	.gen_init = ath10k_wmi_10_2_op_gen_init,
 	.gen_peer_assoc = ath10k_wmi_10_2_op_gen_peer_assoc,
 	.gen_pdev_get_temperature = ath10k_wmi_10_2_op_gen_pdev_get_temperature,
@@ -5187,7 +5346,6 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	/* shared with 10.1 */
 	.map_svc = wmi_10x_svc_map,
 	.pull_svc_rdy = ath10k_wmi_10x_op_pull_svc_rdy_ev,
-	.pull_fw_stats = ath10k_wmi_10x_op_pull_fw_stats,
 	.gen_pdev_set_rd = ath10k_wmi_10x_op_gen_pdev_set_rd,
 	.gen_start_scan = ath10k_wmi_10x_op_gen_start_scan,
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 109ed623b82f0..0514b1a525ff6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -3121,6 +3121,16 @@ struct wmi_stats_event {
 	u8 data[0];
 } __packed;
 
+struct wmi_10_2_stats_event {
+	__le32 stats_id; /* %WMI_REQUEST_ */
+	__le32 num_pdev_stats;
+	__le32 num_pdev_ext_stats;
+	__le32 num_vdev_stats;
+	__le32 num_peer_stats;
+	__le32 num_bcnflt_stats;
+	u8 data[0];
+} __packed;
+
 /*
  * PDEV statistics
  * TODO: add all PDEV stats here
@@ -3159,6 +3169,22 @@ struct wmi_10x_pdev_stats {
 	struct wmi_pdev_stats_extra extra;
 } __packed;
 
+struct wmi_pdev_stats_mem {
+	__le32 dram_free;
+	__le32 iram_free;
+} __packed;
+
+struct wmi_10_2_pdev_stats {
+	struct wmi_pdev_stats_base base;
+	struct wmi_pdev_stats_tx tx;
+	__le32 mc_drop;
+	struct wmi_pdev_stats_rx rx;
+	__le32 pdev_rx_timeout;
+	struct wmi_pdev_stats_mem mem;
+	struct wmi_pdev_stats_peer peer;
+	struct wmi_pdev_stats_extra extra;
+} __packed;
+
 /*
  * VDEV statistics
  * TODO: add all VDEV stats here
@@ -3182,6 +3208,32 @@ struct wmi_10x_peer_stats {
 	__le32 peer_rx_rate;
 } __packed;
 
+struct wmi_10_2_peer_stats {
+	struct wmi_peer_stats old;
+	__le32 peer_rx_rate;
+	__le32 current_per;
+	__le32 retries;
+	__le32 tx_rate_count;
+	__le32 max_4ms_frame_len;
+	__le32 total_sub_frames;
+	__le32 tx_bytes;
+	__le32 num_pkt_loss_overflow[4];
+	__le32 num_pkt_loss_excess_retry[4];
+} __packed;
+
+struct wmi_10_2_4_peer_stats {
+	struct wmi_10_2_peer_stats common;
+	__le32 unknown_value; /* FIXME: what is this word? */
+} __packed;
+
+struct wmi_10_2_pdev_ext_stats {
+	__le32 rx_rssi_comb;
+	__le32 rx_rssi[4];
+	__le32 rx_mcs[10];
+	__le32 tx_mcs[10];
+	__le32 ack_rssi;
+} __packed;
+
 struct wmi_vdev_create_cmd {
 	__le32 vdev_id;
 	__le32 vdev_type;

From 89d6d83565e9a18ae77f4542348d8a34c264c9b1 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:51 +0200
Subject: [PATCH 35/55] ath10k: use idr api for msdu_ids

HTT Tx protocol uses arbitrary host assigned ids
too associate with MSDUs when delivering
completions.

Instead of rolling out own id generation scheme
use the tools provided in kernel.

This should have little to no effect on
performance.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt.h    |  7 +--
 drivers/net/wireless/ath/ath10k/htt_tx.c | 78 ++++++++----------------
 drivers/net/wireless/ath/ath10k/txrx.c   |  9 ++-
 3 files changed, 35 insertions(+), 59 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index d1f6eb287a109..874bf44ff7a2f 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -1328,12 +1328,11 @@ struct ath10k_htt {
 
 	unsigned int prefetch_len;
 
-	/* Protects access to %pending_tx, %used_msdu_ids */
+	/* Protects access to pending_tx, num_pending_tx */
 	spinlock_t tx_lock;
 	int max_num_pending_tx;
 	int num_pending_tx;
-	struct sk_buff **pending_tx;
-	unsigned long *used_msdu_ids; /* bitmap */
+	struct idr pending_tx;
 	wait_queue_head_t empty_tx_wq;
 	struct dma_pool *tx_pool;
 
@@ -1424,7 +1423,7 @@ int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
 				u8 max_subfrms_amsdu);
 
 void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt);
-int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt);
+int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);
 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id);
 int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *);
 int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *);
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 5c64139161fc2..2a8667e95c466 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -56,21 +56,18 @@ static int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt)
 	return ret;
 }
 
-int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt)
+int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb)
 {
 	struct ath10k *ar = htt->ar;
-	int msdu_id;
+	int ret;
 
 	lockdep_assert_held(&htt->tx_lock);
 
-	msdu_id = find_first_zero_bit(htt->used_msdu_ids,
-				      htt->max_num_pending_tx);
-	if (msdu_id == htt->max_num_pending_tx)
-		return -ENOBUFS;
+	ret = idr_alloc(&htt->pending_tx, skb, 0, 0x10000, GFP_ATOMIC);
+
+	ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx alloc msdu_id %d\n", ret);
 
-	ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx alloc msdu_id %d\n", msdu_id);
-	__set_bit(msdu_id, htt->used_msdu_ids);
-	return msdu_id;
+	return ret;
 }
 
 void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id)
@@ -79,74 +76,53 @@ void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id)
 
 	lockdep_assert_held(&htt->tx_lock);
 
-	if (!test_bit(msdu_id, htt->used_msdu_ids))
-		ath10k_warn(ar, "trying to free unallocated msdu_id %d\n",
-			    msdu_id);
-
 	ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx free msdu_id %hu\n", msdu_id);
-	__clear_bit(msdu_id, htt->used_msdu_ids);
+
+	idr_remove(&htt->pending_tx, msdu_id);
 }
 
 int ath10k_htt_tx_alloc(struct ath10k_htt *htt)
 {
 	struct ath10k *ar = htt->ar;
 
-	spin_lock_init(&htt->tx_lock);
-
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt tx max num pending tx %d\n",
 		   htt->max_num_pending_tx);
 
-	htt->pending_tx = kzalloc(sizeof(*htt->pending_tx) *
-				  htt->max_num_pending_tx, GFP_KERNEL);
-	if (!htt->pending_tx)
-		return -ENOMEM;
-
-	htt->used_msdu_ids = kzalloc(sizeof(unsigned long) *
-				     BITS_TO_LONGS(htt->max_num_pending_tx),
-				     GFP_KERNEL);
-	if (!htt->used_msdu_ids) {
-		kfree(htt->pending_tx);
-		return -ENOMEM;
-	}
+	spin_lock_init(&htt->tx_lock);
+	idr_init(&htt->pending_tx);
 
 	htt->tx_pool = dma_pool_create("ath10k htt tx pool", htt->ar->dev,
 				       sizeof(struct ath10k_htt_txbuf), 4, 0);
 	if (!htt->tx_pool) {
-		kfree(htt->used_msdu_ids);
-		kfree(htt->pending_tx);
+		idr_destroy(&htt->pending_tx);
 		return -ENOMEM;
 	}
 
 	return 0;
 }
 
-static void ath10k_htt_tx_free_pending(struct ath10k_htt *htt)
+static int ath10k_htt_tx_clean_up_pending(int msdu_id, void *skb, void *ctx)
 {
-	struct ath10k *ar = htt->ar;
+	struct ath10k *ar = ctx;
+	struct ath10k_htt *htt = &ar->htt;
 	struct htt_tx_done tx_done = {0};
-	int msdu_id;
-
-	spin_lock_bh(&htt->tx_lock);
-	for (msdu_id = 0; msdu_id < htt->max_num_pending_tx; msdu_id++) {
-		if (!test_bit(msdu_id, htt->used_msdu_ids))
-			continue;
 
-		ath10k_dbg(ar, ATH10K_DBG_HTT, "force cleanup msdu_id %hu\n",
-			   msdu_id);
+	ath10k_dbg(ar, ATH10K_DBG_HTT, "force cleanup msdu_id %hu\n", msdu_id);
 
-		tx_done.discard = 1;
-		tx_done.msdu_id = msdu_id;
+	tx_done.discard = 1;
+	tx_done.msdu_id = msdu_id;
 
-		ath10k_txrx_tx_unref(htt, &tx_done);
-	}
+	spin_lock_bh(&htt->tx_lock);
+	ath10k_txrx_tx_unref(htt, &tx_done);
 	spin_unlock_bh(&htt->tx_lock);
+
+	return 0;
 }
 
 void ath10k_htt_tx_free(struct ath10k_htt *htt)
 {
-	ath10k_htt_tx_free_pending(htt);
-	kfree(htt->pending_tx);
-	kfree(htt->used_msdu_ids);
+	idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+	idr_destroy(&htt->pending_tx);
 	dma_pool_destroy(htt->tx_pool);
 }
 
@@ -378,13 +354,12 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	len += sizeof(cmd->mgmt_tx);
 
 	spin_lock_bh(&htt->tx_lock);
-	res = ath10k_htt_tx_alloc_msdu_id(htt);
+	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	if (res < 0) {
 		spin_unlock_bh(&htt->tx_lock);
 		goto err_tx_dec;
 	}
 	msdu_id = res;
-	htt->pending_tx[msdu_id] = msdu;
 	spin_unlock_bh(&htt->tx_lock);
 
 	txdesc = ath10k_htc_alloc_skb(ar, len);
@@ -423,7 +398,6 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	dev_kfree_skb_any(txdesc);
 err_free_msdu_id:
 	spin_lock_bh(&htt->tx_lock);
-	htt->pending_tx[msdu_id] = NULL;
 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);
 	spin_unlock_bh(&htt->tx_lock);
 err_tx_dec:
@@ -455,13 +429,12 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 		goto err;
 
 	spin_lock_bh(&htt->tx_lock);
-	res = ath10k_htt_tx_alloc_msdu_id(htt);
+	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	if (res < 0) {
 		spin_unlock_bh(&htt->tx_lock);
 		goto err_tx_dec;
 	}
 	msdu_id = res;
-	htt->pending_tx[msdu_id] = msdu;
 	spin_unlock_bh(&htt->tx_lock);
 
 	prefetch_len = min(htt->prefetch_len, msdu->len);
@@ -595,7 +568,6 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 		      skb_cb->htt.txbuf_paddr);
 err_free_msdu_id:
 	spin_lock_bh(&htt->tx_lock);
-	htt->pending_tx[msdu_id] = NULL;
 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);
 	spin_unlock_bh(&htt->tx_lock);
 err_tx_dec:
diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index 7579de8e7a8cc..3f00cec8aef52 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -64,7 +64,13 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 		return;
 	}
 
-	msdu = htt->pending_tx[tx_done->msdu_id];
+	msdu = idr_find(&htt->pending_tx, tx_done->msdu_id);
+	if (!msdu) {
+		ath10k_warn(ar, "received tx completion for invalid msdu_id: %d\n",
+			    tx_done->msdu_id);
+		return;
+	}
+
 	skb_cb = ATH10K_SKB_CB(msdu);
 
 	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
@@ -95,7 +101,6 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 	/* we do not own the msdu anymore */
 
 exit:
-	htt->pending_tx[tx_done->msdu_id] = NULL;
 	ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id);
 	__ath10k_htt_tx_dec_pending(htt);
 	if (htt->num_pending_tx == 0)

From ba2479fe65025bc48d79f86bce74567016632c3a Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:51 +0200
Subject: [PATCH 36/55] ath10k: fix dtim period with beacon templates

Firmware supporting beacon templates (i.e. wmi-tlv
for qca6174) doesn't implicitly take dtim period
from the template. Instead it requires vdev param
to be set accordingly.

This fixes dtim period being stuck at 3.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 9524bc59997f8..99af537598bb9 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3435,7 +3435,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 				    arvif->vdev_id, ret);
 	}
 
-	if (changed & BSS_CHANGED_BEACON_INFO) {
+	if (changed & (BSS_CHANGED_BEACON_INFO | BSS_CHANGED_BEACON)) {
 		arvif->dtim_period = info->dtim_period;
 
 		ath10k_dbg(ar, ATH10K_DBG_MAC,

From bf0a26d31ba141b7f41976392ea393ce90ca64e3 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:51 +0200
Subject: [PATCH 37/55] ath10k: fix nullfunc workaround

The workaround couldn't work correctly because the
802.11 header wasn't properly stripped of QoS Data
bit so it wasn't recognized in the later parts of
tx path as NullFunc frame and ended up in HTT Tx
instead of HTT Mgmt Tx.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 99af537598bb9..5331350d9ddad 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2145,6 +2145,7 @@ static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
 	 * used only for CQM purposes (e.g. hostapd station keepalive ping) so
 	 * it is safe to downgrade to NullFunc.
 	 */
+	hdr = (void *)skb->data;
 	if (ieee80211_is_qos_nullfunc(hdr->frame_control)) {
 		hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
 		cb->htt.tid = HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST;

From 0c7e477c666e767f231fafe08e117669c64e5e14 Mon Sep 17 00:00:00 2001
From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Date: Sat, 24 Jan 2015 12:14:52 +0200
Subject: [PATCH 38/55] ath10k: implement uapsd autotrigger command

New wmi-tlv firmware for qca6174 has u-UAPSD
autotrigger service. If it is enabled firmware
generates trigger frames automatically as
configured.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 25 ++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 73 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi.h     | 24 ++++++++
 3 files changed, 122 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 0dd49a7a89f02..80bd28ac2ccbd 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -137,6 +137,10 @@ struct wmi_ops {
 					struct sk_buff *bcn);
 	struct sk_buff *(*gen_p2p_go_bcn_ie)(struct ath10k *ar, u32 vdev_id,
 					     const u8 *p2p_ie);
+	struct sk_buff *(*gen_vdev_sta_uapsd)(struct ath10k *ar, u32 vdev_id,
+					      const u8 peer_addr[ETH_ALEN],
+					      const struct wmi_sta_uapsd_auto_trig_arg *args,
+					      u32 num_ac);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -575,6 +579,27 @@ ath10k_wmi_vdev_spectral_enable(struct ath10k *ar, u32 vdev_id, u32 trigger,
 	return ath10k_wmi_cmd_send(ar, skb, cmd_id);
 }
 
+static inline int
+ath10k_wmi_vdev_sta_uapsd(struct ath10k *ar, u32 vdev_id,
+			  const u8 peer_addr[ETH_ALEN],
+			  const struct wmi_sta_uapsd_auto_trig_arg *args,
+			  u32 num_ac)
+{
+	struct sk_buff *skb;
+	u32 cmd_id;
+
+	if (!ar->wmi.ops->gen_vdev_sta_uapsd)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_vdev_sta_uapsd(ar, vdev_id, peer_addr, args,
+					      num_ac);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	cmd_id = ar->wmi.cmd->sta_uapsd_auto_trig_cmdid;
+	return ath10k_wmi_cmd_send(ar, skb, cmd_id);
+}
+
 static inline int
 ath10k_wmi_peer_create(struct ath10k *ar, u32 vdev_id,
 		       const u8 peer_addr[ETH_ALEN])
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 35f519123752c..d3cf91dc950bc 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1512,6 +1512,78 @@ ath10k_wmi_tlv_op_gen_vdev_install_key(struct ath10k *ar,
 	return skb;
 }
 
+static void *ath10k_wmi_tlv_put_uapsd_ac(struct ath10k *ar, void *ptr,
+					 const struct wmi_sta_uapsd_auto_trig_arg *arg)
+{
+	struct wmi_sta_uapsd_auto_trig_param *ac;
+	struct wmi_tlv *tlv;
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_STA_UAPSD_AUTO_TRIG_PARAM);
+	tlv->len = __cpu_to_le16(sizeof(*ac));
+	ac = (void *)tlv->value;
+
+	ac->wmm_ac = __cpu_to_le32(arg->wmm_ac);
+	ac->user_priority = __cpu_to_le32(arg->user_priority);
+	ac->service_interval = __cpu_to_le32(arg->service_interval);
+	ac->suspend_interval = __cpu_to_le32(arg->suspend_interval);
+	ac->delay_interval = __cpu_to_le32(arg->delay_interval);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi tlv vdev sta uapsd auto trigger ac %d prio %d svc int %d susp int %d delay int %d\n",
+		   ac->wmm_ac, ac->user_priority, ac->service_interval,
+		   ac->suspend_interval, ac->delay_interval);
+
+	return ptr + sizeof(*tlv) + sizeof(*ac);
+}
+
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_vdev_sta_uapsd(struct ath10k *ar, u32 vdev_id,
+				     const u8 peer_addr[ETH_ALEN],
+				     const struct wmi_sta_uapsd_auto_trig_arg *args,
+				     u32 num_ac)
+{
+	struct wmi_sta_uapsd_auto_trig_cmd_fixed_param *cmd;
+	struct wmi_sta_uapsd_auto_trig_param *ac;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+	size_t len;
+	size_t ac_tlv_len;
+	void *ptr;
+	int i;
+
+	ac_tlv_len = num_ac * (sizeof(*tlv) + sizeof(*ac));
+	len = sizeof(*tlv) + sizeof(*cmd) +
+	      sizeof(*tlv) + ac_tlv_len;
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_STA_UAPSD_AUTO_TRIG_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->num_ac = __cpu_to_le32(num_ac);
+	ether_addr_copy(cmd->peer_macaddr.addr, peer_addr);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_STRUCT);
+	tlv->len = __cpu_to_le16(ac_tlv_len);
+	ac = (void *)tlv->value;
+
+	ptr += sizeof(*tlv);
+	for (i = 0; i < num_ac; i++)
+		ptr = ath10k_wmi_tlv_put_uapsd_ac(ar, ptr, &args[i]);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv vdev sta uapsd auto trigger\n");
+	return skb;
+}
+
 static struct sk_buff *
 ath10k_wmi_tlv_op_gen_peer_create(struct ath10k *ar, u32 vdev_id,
 				  const u8 peer_addr[ETH_ALEN])
@@ -2523,6 +2595,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_bcn_tmpl = ath10k_wmi_tlv_op_gen_bcn_tmpl,
 	.gen_prb_tmpl = ath10k_wmi_tlv_op_gen_prb_tmpl,
 	.gen_p2p_go_bcn_ie = ath10k_wmi_tlv_op_gen_p2p_go_bcn_ie,
+	.gen_vdev_sta_uapsd = ath10k_wmi_tlv_op_gen_vdev_sta_uapsd,
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 0514b1a525ff6..34d8c44b90e8d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4119,6 +4119,30 @@ enum wmi_sta_ps_param_uapsd {
 	WMI_STA_PS_UAPSD_AC3_TRIGGER_EN  = (1 << 7),
 };
 
+#define WMI_STA_UAPSD_MAX_INTERVAL_MSEC UINT_MAX
+
+struct wmi_sta_uapsd_auto_trig_param {
+	__le32 wmm_ac;
+	__le32 user_priority;
+	__le32 service_interval;
+	__le32 suspend_interval;
+	__le32 delay_interval;
+};
+
+struct wmi_sta_uapsd_auto_trig_cmd_fixed_param {
+	__le32 vdev_id;
+	struct wmi_mac_addr peer_macaddr;
+	__le32 num_ac;
+};
+
+struct wmi_sta_uapsd_auto_trig_arg {
+	u32 wmm_ac;
+	u32 user_priority;
+	u32 service_interval;
+	u32 suspend_interval;
+	u32 delay_interval;
+};
+
 enum wmi_sta_powersave_param {
 	/*
 	 * Controls how frames are retrievd from AP while STA is sleeping

From b0e561549316f520a80dc15dd341923b57bd4500 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:52 +0200
Subject: [PATCH 39/55] ath10k: disable uapsd autotrigger

Only userspace can make an educated decision when
a trigger frame is required so make sure the
autotrigger service is disabled.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 33 +++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 5331350d9ddad..e3a3bbd41966e 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3988,6 +3988,8 @@ static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
 				u16 ac, bool enable)
 {
 	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+	struct wmi_sta_uapsd_auto_trig_arg arg = {};
+	u32 prio = 0, acc = 0;
 	u32 value = 0;
 	int ret = 0;
 
@@ -4000,18 +4002,26 @@ static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
 	case IEEE80211_AC_VO:
 		value = WMI_STA_PS_UAPSD_AC3_DELIVERY_EN |
 			WMI_STA_PS_UAPSD_AC3_TRIGGER_EN;
+		prio = 7;
+		acc = 3;
 		break;
 	case IEEE80211_AC_VI:
 		value = WMI_STA_PS_UAPSD_AC2_DELIVERY_EN |
 			WMI_STA_PS_UAPSD_AC2_TRIGGER_EN;
+		prio = 5;
+		acc = 2;
 		break;
 	case IEEE80211_AC_BE:
 		value = WMI_STA_PS_UAPSD_AC1_DELIVERY_EN |
 			WMI_STA_PS_UAPSD_AC1_TRIGGER_EN;
+		prio = 2;
+		acc = 1;
 		break;
 	case IEEE80211_AC_BK:
 		value = WMI_STA_PS_UAPSD_AC0_DELIVERY_EN |
 			WMI_STA_PS_UAPSD_AC0_TRIGGER_EN;
+		prio = 0;
+		acc = 0;
 		break;
 	}
 
@@ -4053,6 +4063,29 @@ static int ath10k_conf_tx_uapsd(struct ath10k *ar, struct ieee80211_vif *vif,
 		return ret;
 	}
 
+	if (test_bit(WMI_SERVICE_STA_UAPSD_BASIC_AUTO_TRIG, ar->wmi.svc_map) ||
+	    test_bit(WMI_SERVICE_STA_UAPSD_VAR_AUTO_TRIG, ar->wmi.svc_map)) {
+		/* Only userspace can make an educated decision when to send
+		 * trigger frame. The following effectively disables u-UAPSD
+		 * autotrigger in firmware (which is enabled by default
+		 * provided the autotrigger service is available).
+		 */
+
+		arg.wmm_ac = acc;
+		arg.user_priority = prio;
+		arg.service_interval = 0;
+		arg.suspend_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+		arg.delay_interval = WMI_STA_UAPSD_MAX_INTERVAL_MSEC;
+
+		ret = ath10k_wmi_vdev_sta_uapsd(ar, arvif->vdev_id,
+						arvif->bssid, &arg, 1);
+		if (ret) {
+			ath10k_warn(ar, "failed to set uapsd auto trigger %d\n",
+				    ret);
+			return ret;
+		}
+	}
+
 exit:
 	return ret;
 }

From 6f3b7ff4e309031e15402b71891b57eb14951b7a Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Sat, 24 Jan 2015 12:14:52 +0200
Subject: [PATCH 40/55] ath10k: disable irqs after fw crash

It makes little sense to keep handling irqs if fw
is dead.

This prevents multiple fw register dumps upon
crash on some devices (seen on QCA6174).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index a31746df7accb..e6972b09333eb 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -2126,6 +2126,7 @@ static void ath10k_msi_err_tasklet(unsigned long data)
 		return;
 	}
 
+	ath10k_pci_irq_disable(ar);
 	ath10k_pci_fw_crashed_clear(ar);
 	ath10k_pci_fw_crashed_dump(ar);
 }
@@ -2195,6 +2196,7 @@ static void ath10k_pci_tasklet(unsigned long data)
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 
 	if (ath10k_pci_has_fw_crashed(ar)) {
+		ath10k_pci_irq_disable(ar);
 		ath10k_pci_fw_crashed_clear(ar);
 		ath10k_pci_fw_crashed_dump(ar);
 		return;

From e4e82e9af8f02f9f3e19d240170c8c4b68f28bd4 Mon Sep 17 00:00:00 2001
From: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Date: Sat, 24 Jan 2015 12:14:53 +0200
Subject: [PATCH 41/55] ath10k: remove sw encryption for pmf

Software encryption was never necessary.
Tested with fw 636 and fw 10.x.

Signed-off-by: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index e3a3bbd41966e..02e2bfc04ccfd 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -58,10 +58,7 @@ static int ath10k_send_key(struct ath10k_vif *arvif,
 	switch (key->cipher) {
 	case WLAN_CIPHER_SUITE_CCMP:
 		arg.key_cipher = WMI_CIPHER_AES_CCM;
-		if (arvif->vdev_type == WMI_VDEV_TYPE_AP)
-			key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
-		else
-			key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV_MGMT;
 		break;
 	case WLAN_CIPHER_SUITE_TKIP:
 		arg.key_cipher = WMI_CIPHER_TKIP;

From eebc67fef3eed8c768b9c046273dff6467b22cf4 Mon Sep 17 00:00:00 2001
From: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Date: Sat, 24 Jan 2015 12:14:53 +0200
Subject: [PATCH 42/55] ath10k: fix pmf for wmi-tlv on qca6174

New wmi-tlv firmware uses HTT 3.0 protocol which
uses TX_FRM command for management frames (instead
of a dedicated command). To support PMF it is
necessary to provide explicit tailroom.

Signed-off-by: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt_tx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 2a8667e95c466..c1961e77d58d8 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -454,6 +454,12 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	}
 	skb_cb->htt.txbuf_paddr = paddr;
 
+	if ((ieee80211_is_action(hdr->frame_control) ||
+	     ieee80211_is_deauth(hdr->frame_control) ||
+	     ieee80211_is_disassoc(hdr->frame_control)) &&
+	     ieee80211_has_protected(hdr->frame_control))
+		skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+
 	skb_cb->paddr = dma_map_single(dev, msdu->data, msdu->len,
 				       DMA_TO_DEVICE);
 	res = dma_mapping_error(dev, skb_cb->paddr);

From 5e752e42f6773c8e4d360b35c72dc1ef73240583 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Mon, 19 Jan 2015 09:53:41 +0100
Subject: [PATCH 43/55] ath10k: move wmm param storage to vif

mac80211 already requests WMM per vif but firmware
wasn't able to handle this until now. However new
wmi-tlv firmware for qca6174 is capable of this.

This prepares per-vif WMM param setup.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.h    |  2 +-
 drivers/net/wireless/ath/ath10k/mac.c     | 11 ++++----
 drivers/net/wireless/ath/ath10k/wmi-ops.h |  4 +--
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 32 +++++++++++------------
 drivers/net/wireless/ath/ath10k/wmi.c     | 14 +++++-----
 drivers/net/wireless/ath/ath10k/wmi.h     |  6 ++---
 6 files changed, 35 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 2d9f871430892..abb32037c3f72 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -315,6 +315,7 @@ struct ath10k_vif {
 	bool use_cts_prot;
 	int num_legacy_stations;
 	int txpower;
+	struct wmi_wmm_params_all_arg wmm_params;
 };
 
 struct ath10k_vif_iter {
@@ -577,7 +578,6 @@ struct ath10k {
 	u8 cfg_tx_chainmask;
 	u8 cfg_rx_chainmask;
 
-	struct wmi_pdev_set_wmm_params_arg wmm_params;
 	struct completion install_key_done;
 
 	struct completion vdev_setup_done;
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 02e2bfc04ccfd..62e8adc492cbe 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4092,6 +4092,7 @@ static int ath10k_conf_tx(struct ieee80211_hw *hw,
 			  const struct ieee80211_tx_queue_params *params)
 {
 	struct ath10k *ar = hw->priv;
+	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
 	struct wmi_wmm_params_arg *p = NULL;
 	int ret;
 
@@ -4099,16 +4100,16 @@ static int ath10k_conf_tx(struct ieee80211_hw *hw,
 
 	switch (ac) {
 	case IEEE80211_AC_VO:
-		p = &ar->wmm_params.ac_vo;
+		p = &arvif->wmm_params.ac_vo;
 		break;
 	case IEEE80211_AC_VI:
-		p = &ar->wmm_params.ac_vi;
+		p = &arvif->wmm_params.ac_vi;
 		break;
 	case IEEE80211_AC_BE:
-		p = &ar->wmm_params.ac_be;
+		p = &arvif->wmm_params.ac_be;
 		break;
 	case IEEE80211_AC_BK:
-		p = &ar->wmm_params.ac_bk;
+		p = &arvif->wmm_params.ac_bk;
 		break;
 	}
 
@@ -4129,7 +4130,7 @@ static int ath10k_conf_tx(struct ieee80211_hw *hw,
 	p->txop = params->txop * 32;
 
 	/* FIXME: FW accepts wmm params per hw, not per vif */
-	ret = ath10k_wmi_pdev_set_wmm_params(ar, &ar->wmm_params);
+	ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
 	if (ret) {
 		ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
 		goto exit;
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 80bd28ac2ccbd..6e9e38412b54d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -104,7 +104,7 @@ struct wmi_ops {
 					      const struct wmi_scan_chan_list_arg *arg);
 	struct sk_buff *(*gen_beacon_dma)(struct ath10k_vif *arvif);
 	struct sk_buff *(*gen_pdev_set_wmm)(struct ath10k *ar,
-					    const struct wmi_pdev_set_wmm_params_arg *arg);
+					    const struct wmi_wmm_params_all_arg *arg);
 	struct sk_buff *(*gen_request_stats)(struct ath10k *ar,
 					     enum wmi_stats_id stats_id);
 	struct sk_buff *(*gen_force_fw_hang)(struct ath10k *ar,
@@ -774,7 +774,7 @@ ath10k_wmi_beacon_send_ref_nowait(struct ath10k_vif *arvif)
 
 static inline int
 ath10k_wmi_pdev_set_wmm_params(struct ath10k *ar,
-			       const struct wmi_pdev_set_wmm_params_arg *arg)
+			       const struct wmi_wmm_params_all_arg *arg)
 {
 	struct sk_buff *skb;
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index d3cf91dc950bc..23a376124de39 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1584,6 +1584,21 @@ ath10k_wmi_tlv_op_gen_vdev_sta_uapsd(struct ath10k *ar, u32 vdev_id,
 	return skb;
 }
 
+static void *ath10k_wmi_tlv_put_wmm(void *ptr,
+				    const struct wmi_wmm_params_arg *arg)
+{
+	struct wmi_wmm_params *wmm;
+	struct wmi_tlv *tlv;
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_WMM_PARAMS);
+	tlv->len = __cpu_to_le16(sizeof(*wmm));
+	wmm = (void *)tlv->value;
+	ath10k_wmi_set_wmm_param(wmm, arg);
+
+	return ptr + sizeof(*tlv) + sizeof(*wmm);
+}
+
 static struct sk_buff *
 ath10k_wmi_tlv_op_gen_peer_create(struct ath10k *ar, u32 vdev_id,
 				  const u8 peer_addr[ETH_ALEN])
@@ -1944,24 +1959,9 @@ ath10k_wmi_tlv_op_gen_beacon_dma(struct ath10k_vif *arvif)
 	return skb;
 }
 
-static void *ath10k_wmi_tlv_put_wmm(void *ptr,
-				    const struct wmi_wmm_params_arg *arg)
-{
-	struct wmi_wmm_params *wmm;
-	struct wmi_tlv *tlv;
-
-	tlv = ptr;
-	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_WMM_PARAMS);
-	tlv->len = __cpu_to_le16(sizeof(*wmm));
-	wmm = (void *)tlv->value;
-	ath10k_wmi_pdev_set_wmm_param(wmm, arg);
-
-	return ptr + sizeof(*tlv) + sizeof(*wmm);
-}
-
 static struct sk_buff *
 ath10k_wmi_tlv_op_gen_pdev_set_wmm(struct ath10k *ar,
-				   const struct wmi_pdev_set_wmm_params_arg *arg)
+				   const struct wmi_wmm_params_all_arg *arg)
 {
 	struct wmi_tlv_pdev_set_wmm_cmd *cmd;
 	struct wmi_wmm_params *wmm;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index fb1e2d1f343c4..050e5088acf23 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4890,8 +4890,8 @@ ath10k_wmi_op_gen_beacon_dma(struct ath10k_vif *arvif)
 	return skb;
 }
 
-void ath10k_wmi_pdev_set_wmm_param(struct wmi_wmm_params *params,
-				   const struct wmi_wmm_params_arg *arg)
+void ath10k_wmi_set_wmm_param(struct wmi_wmm_params *params,
+			      const struct wmi_wmm_params_arg *arg)
 {
 	params->cwmin  = __cpu_to_le32(arg->cwmin);
 	params->cwmax  = __cpu_to_le32(arg->cwmax);
@@ -4903,7 +4903,7 @@ void ath10k_wmi_pdev_set_wmm_param(struct wmi_wmm_params *params,
 
 static struct sk_buff *
 ath10k_wmi_op_gen_pdev_set_wmm(struct ath10k *ar,
-			       const struct wmi_pdev_set_wmm_params_arg *arg)
+			       const struct wmi_wmm_params_all_arg *arg)
 {
 	struct wmi_pdev_set_wmm_params *cmd;
 	struct sk_buff *skb;
@@ -4913,10 +4913,10 @@ ath10k_wmi_op_gen_pdev_set_wmm(struct ath10k *ar,
 		return ERR_PTR(-ENOMEM);
 
 	cmd = (struct wmi_pdev_set_wmm_params *)skb->data;
-	ath10k_wmi_pdev_set_wmm_param(&cmd->ac_be, &arg->ac_be);
-	ath10k_wmi_pdev_set_wmm_param(&cmd->ac_bk, &arg->ac_bk);
-	ath10k_wmi_pdev_set_wmm_param(&cmd->ac_vi, &arg->ac_vi);
-	ath10k_wmi_pdev_set_wmm_param(&cmd->ac_vo, &arg->ac_vo);
+	ath10k_wmi_set_wmm_param(&cmd->ac_be, &arg->ac_be);
+	ath10k_wmi_set_wmm_param(&cmd->ac_bk, &arg->ac_bk);
+	ath10k_wmi_set_wmm_param(&cmd->ac_vi, &arg->ac_vi);
+	ath10k_wmi_set_wmm_param(&cmd->ac_vo, &arg->ac_vo);
 
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi pdev set wmm params\n");
 	return skb;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 34d8c44b90e8d..c0093938c6eed 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -2939,7 +2939,7 @@ struct wmi_wmm_params_arg {
 	u32 no_ack;
 };
 
-struct wmi_pdev_set_wmm_params_arg {
+struct wmi_wmm_params_all_arg {
 	struct wmi_wmm_params_arg ac_be;
 	struct wmi_wmm_params_arg ac_bk;
 	struct wmi_wmm_params_arg ac_vi;
@@ -4869,8 +4869,8 @@ void ath10k_wmi_put_host_mem_chunks(struct ath10k *ar,
 				    struct wmi_host_mem_chunks *chunks);
 void ath10k_wmi_put_start_scan_common(struct wmi_start_scan_common *cmn,
 				      const struct wmi_start_scan_arg *arg);
-void ath10k_wmi_pdev_set_wmm_param(struct wmi_wmm_params *params,
-				   const struct wmi_wmm_params_arg *arg);
+void ath10k_wmi_set_wmm_param(struct wmi_wmm_params *params,
+			      const struct wmi_wmm_params_arg *arg);
 void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
 				const struct wmi_channel_arg *arg);
 int ath10k_wmi_start_scan_verify(const struct wmi_start_scan_arg *arg);

From 6d492fe2d81e84ee49382879bfc13213c6e8e569 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Wed, 28 Jan 2015 09:57:22 +0200
Subject: [PATCH 44/55] ath10k: implement per-vdev wmm param setup command

New wmi-tlv firmware for qca6174 supports this.
This will be used soon.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 17 ++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 38 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h |  4 +++
 drivers/net/wireless/ath/ath10k/wmi.c     |  3 ++
 drivers/net/wireless/ath/ath10k/wmi.h     |  1 +
 5 files changed, 63 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 6e9e38412b54d..987414abc4433 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -78,6 +78,8 @@ struct wmi_ops {
 						  const struct wmi_vdev_spectral_conf_arg *arg);
 	struct sk_buff *(*gen_vdev_spectral_enable)(struct ath10k *ar, u32 vdev_id,
 						    u32 trigger, u32 enable);
+	struct sk_buff *(*gen_vdev_wmm_conf)(struct ath10k *ar, u32 vdev_id,
+					     const struct wmi_wmm_params_all_arg *arg);
 	struct sk_buff *(*gen_peer_create)(struct ath10k *ar, u32 vdev_id,
 					   const u8 peer_addr[ETH_ALEN]);
 	struct sk_buff *(*gen_peer_delete)(struct ath10k *ar, u32 vdev_id,
@@ -600,6 +602,21 @@ ath10k_wmi_vdev_sta_uapsd(struct ath10k *ar, u32 vdev_id,
 	return ath10k_wmi_cmd_send(ar, skb, cmd_id);
 }
 
+static inline int
+ath10k_wmi_vdev_wmm_conf(struct ath10k *ar, u32 vdev_id,
+			 const struct wmi_wmm_params_all_arg *arg)
+{
+	struct sk_buff *skb;
+	u32 cmd_id;
+
+	skb = ar->wmi.ops->gen_vdev_wmm_conf(ar, vdev_id, arg);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	cmd_id = ar->wmi.cmd->vdev_set_wmm_params_cmdid;
+	return ath10k_wmi_cmd_send(ar, skb, cmd_id);
+}
+
 static inline int
 ath10k_wmi_peer_create(struct ath10k *ar, u32 vdev_id,
 		       const u8 peer_addr[ETH_ALEN])
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 23a376124de39..00ca544bc94dd 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1599,6 +1599,42 @@ static void *ath10k_wmi_tlv_put_wmm(void *ptr,
 	return ptr + sizeof(*tlv) + sizeof(*wmm);
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_vdev_wmm_conf(struct ath10k *ar, u32 vdev_id,
+				    const struct wmi_wmm_params_all_arg *arg)
+{
+	struct wmi_tlv_vdev_set_wmm_cmd *cmd;
+	struct wmi_wmm_params *wmm;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+	size_t len;
+	void *ptr;
+
+	len = (sizeof(*tlv) + sizeof(*cmd)) +
+	      (4 * (sizeof(*tlv) + sizeof(*wmm)));
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_VDEV_SET_WMM_PARAMS_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	ptr = ath10k_wmi_tlv_put_wmm(ptr, &arg->ac_be);
+	ptr = ath10k_wmi_tlv_put_wmm(ptr, &arg->ac_bk);
+	ptr = ath10k_wmi_tlv_put_wmm(ptr, &arg->ac_vi);
+	ptr = ath10k_wmi_tlv_put_wmm(ptr, &arg->ac_vo);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv vdev wmm conf\n");
+	return skb;
+}
+
 static struct sk_buff *
 ath10k_wmi_tlv_op_gen_peer_create(struct ath10k *ar, u32 vdev_id,
 				  const u8 peer_addr[ETH_ALEN])
@@ -2426,6 +2462,7 @@ static struct wmi_cmd_map wmi_tlv_cmd_map = {
 	.gpio_config_cmdid = WMI_TLV_GPIO_CONFIG_CMDID,
 	.gpio_output_cmdid = WMI_TLV_GPIO_OUTPUT_CMDID,
 	.pdev_get_temperature_cmdid = WMI_TLV_CMD_UNSUPPORTED,
+	.vdev_set_wmm_params_cmdid = WMI_TLV_VDEV_SET_WMM_PARAMS_CMDID,
 };
 
 static struct wmi_pdev_param_map wmi_tlv_pdev_param_map = {
@@ -2569,6 +2606,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_vdev_down = ath10k_wmi_tlv_op_gen_vdev_down,
 	.gen_vdev_set_param = ath10k_wmi_tlv_op_gen_vdev_set_param,
 	.gen_vdev_install_key = ath10k_wmi_tlv_op_gen_vdev_install_key,
+	.gen_vdev_wmm_conf = ath10k_wmi_tlv_op_gen_vdev_wmm_conf,
 	.gen_peer_create = ath10k_wmi_tlv_op_gen_peer_create,
 	.gen_peer_delete = ath10k_wmi_tlv_op_gen_peer_delete,
 	.gen_peer_flush = ath10k_wmi_tlv_op_gen_peer_flush,
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 87db762ac1a22..3dc43b90469d6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1302,6 +1302,10 @@ struct wmi_tlv_pdev_set_wmm_cmd {
 	__le32 dg_type; /* no idea.. */
 } __packed;
 
+struct wmi_tlv_vdev_set_wmm_cmd {
+	__le32 vdev_id;
+} __packed;
+
 struct wmi_tlv_phyerr_ev {
 	__le32 num_phyerrs;
 	__le32 tsf_l32;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 050e5088acf23..81561e4ae3087 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -5188,6 +5188,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_vdev_install_key = ath10k_wmi_op_gen_vdev_install_key,
 	.gen_vdev_spectral_conf = ath10k_wmi_op_gen_vdev_spectral_conf,
 	.gen_vdev_spectral_enable = ath10k_wmi_op_gen_vdev_spectral_enable,
+	/* .gen_vdev_wmm_conf not implemented */
 	.gen_peer_create = ath10k_wmi_op_gen_peer_create,
 	.gen_peer_delete = ath10k_wmi_op_gen_peer_delete,
 	.gen_peer_flush = ath10k_wmi_op_gen_peer_flush,
@@ -5251,6 +5252,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_vdev_install_key = ath10k_wmi_op_gen_vdev_install_key,
 	.gen_vdev_spectral_conf = ath10k_wmi_op_gen_vdev_spectral_conf,
 	.gen_vdev_spectral_enable = ath10k_wmi_op_gen_vdev_spectral_enable,
+	/* .gen_vdev_wmm_conf not implemented */
 	.gen_peer_create = ath10k_wmi_op_gen_peer_create,
 	.gen_peer_delete = ath10k_wmi_op_gen_peer_delete,
 	.gen_peer_flush = ath10k_wmi_op_gen_peer_flush,
@@ -5313,6 +5315,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_vdev_install_key = ath10k_wmi_op_gen_vdev_install_key,
 	.gen_vdev_spectral_conf = ath10k_wmi_op_gen_vdev_spectral_conf,
 	.gen_vdev_spectral_enable = ath10k_wmi_op_gen_vdev_spectral_enable,
+	/* .gen_vdev_wmm_conf not implemented */
 	.gen_peer_create = ath10k_wmi_op_gen_peer_create,
 	.gen_peer_delete = ath10k_wmi_op_gen_peer_delete,
 	.gen_peer_flush = ath10k_wmi_op_gen_peer_flush,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index c0093938c6eed..3c48e0d21900e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -551,6 +551,7 @@ struct wmi_cmd_map {
 	u32 gpio_config_cmdid;
 	u32 gpio_output_cmdid;
 	u32 pdev_get_temperature_cmdid;
+	u32 vdev_set_wmm_params_cmdid;
 };
 
 /*

From 7fc979a79d9b9af15052b4c7fd1debd44294ba4f Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Wed, 28 Jan 2015 09:57:28 +0200
Subject: [PATCH 45/55] ath10k: use per-vif wmm param setup if possible

New wmi-tlv firmware for qca6174 supports this.

This should fix issues related to multi-vif WMM.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 62e8adc492cbe..0c2ccc1011763 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4129,11 +4129,23 @@ static int ath10k_conf_tx(struct ieee80211_hw *hw,
 	 */
 	p->txop = params->txop * 32;
 
-	/* FIXME: FW accepts wmm params per hw, not per vif */
-	ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
-	if (ret) {
-		ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
-		goto exit;
+	if (ar->wmi.ops->gen_vdev_wmm_conf) {
+		ret = ath10k_wmi_vdev_wmm_conf(ar, arvif->vdev_id,
+					       &arvif->wmm_params);
+		if (ret) {
+			ath10k_warn(ar, "failed to set vdev wmm params on vdev %i: %d\n",
+				    arvif->vdev_id, ret);
+			goto exit;
+		}
+	} else {
+		/* This won't work well with multi-interface cases but it's
+		 * better than nothing.
+		 */
+		ret = ath10k_wmi_pdev_set_wmm_params(ar, &arvif->wmm_params);
+		if (ret) {
+			ath10k_warn(ar, "failed to set wmm params: %d\n", ret);
+			goto exit;
+		}
 	}
 
 	ret = ath10k_conf_tx_uapsd(ar, vif, ac, params->uapsd);

From 6e8b188ba782bd04f942b7d489b8b2b81606f690 Mon Sep 17 00:00:00 2001
From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Date: Wed, 28 Jan 2015 09:57:39 +0200
Subject: [PATCH 46/55] ath10k: implement sta keepalive command

New wmi-tlv firmware for qca6174 has STA keepalive
service available. The service can provide
automatic idle connection polling via NullFunc
frames to AP when acting as a client.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 20 ++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 45 +++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi-tlv.h |  7 ++++
 drivers/net/wireless/ath/ath10k/wmi.h     | 10 +++++
 4 files changed, 82 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 987414abc4433..058f88b6ff53f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -143,6 +143,8 @@ struct wmi_ops {
 					      const u8 peer_addr[ETH_ALEN],
 					      const struct wmi_sta_uapsd_auto_trig_arg *args,
 					      u32 num_ac);
+	struct sk_buff *(*gen_sta_keepalive)(struct ath10k *ar,
+					     const struct wmi_sta_keepalive_arg *arg);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -1034,4 +1036,22 @@ ath10k_wmi_p2p_go_bcn_ie(struct ath10k *ar, u32 vdev_id, const u8 *p2p_ie)
 	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->p2p_go_set_beacon_ie);
 }
 
+static inline int
+ath10k_wmi_sta_keepalive(struct ath10k *ar,
+			 const struct wmi_sta_keepalive_arg *arg)
+{
+	struct sk_buff *skb;
+	u32 cmd_id;
+
+	if (!ar->wmi.ops->gen_sta_keepalive)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_sta_keepalive(ar, arg);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	cmd_id = ar->wmi.cmd->sta_keepalive_cmd;
+	return ath10k_wmi_cmd_send(ar, skb, cmd_id);
+}
+
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 00ca544bc94dd..be32db96701fb 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -1635,6 +1635,50 @@ ath10k_wmi_tlv_op_gen_vdev_wmm_conf(struct ath10k *ar, u32 vdev_id,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_sta_keepalive(struct ath10k *ar,
+				    const struct wmi_sta_keepalive_arg *arg)
+{
+	struct wmi_tlv_sta_keepalive_cmd *cmd;
+	struct wmi_sta_keepalive_arp_resp *arp;
+	struct sk_buff *skb;
+	struct wmi_tlv *tlv;
+	void *ptr;
+	size_t len;
+
+	len = sizeof(*tlv) + sizeof(*cmd) +
+	      sizeof(*tlv) + sizeof(*arp);
+	skb = ath10k_wmi_alloc_skb(ar, len);
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	ptr = (void *)skb->data;
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_STA_KEEPALIVE_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(arg->vdev_id);
+	cmd->enabled = __cpu_to_le32(arg->enabled);
+	cmd->method = __cpu_to_le32(arg->method);
+	cmd->interval = __cpu_to_le32(arg->interval);
+
+	ptr += sizeof(*tlv);
+	ptr += sizeof(*cmd);
+
+	tlv = ptr;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_STA_KEEPALVE_ARP_RESPONSE);
+	tlv->len = __cpu_to_le16(sizeof(*arp));
+	arp = (void *)tlv->value;
+
+	arp->src_ip4_addr = arg->src_ip4_addr;
+	arp->dest_ip4_addr = arg->dest_ip4_addr;
+	ether_addr_copy(arp->dest_mac_addr.addr, arg->dest_mac_addr);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv sta keepalive vdev %d enabled %d method %d inverval %d\n",
+		   arg->vdev_id, arg->enabled, arg->method, arg->interval);
+	return skb;
+}
+
 static struct sk_buff *
 ath10k_wmi_tlv_op_gen_peer_create(struct ath10k *ar, u32 vdev_id,
 				  const u8 peer_addr[ETH_ALEN])
@@ -2634,6 +2678,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_prb_tmpl = ath10k_wmi_tlv_op_gen_prb_tmpl,
 	.gen_p2p_go_bcn_ie = ath10k_wmi_tlv_op_gen_p2p_go_bcn_ie,
 	.gen_vdev_sta_uapsd = ath10k_wmi_tlv_op_gen_vdev_sta_uapsd,
+	.gen_sta_keepalive = ath10k_wmi_tlv_op_gen_sta_keepalive,
 };
 
 /************/
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 3dc43b90469d6..de68fe76eae6e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1432,6 +1432,13 @@ struct wmi_tlv_diag_data_ev {
 	__le32 num_items;
 } __packed;
 
+struct wmi_tlv_sta_keepalive_cmd {
+	__le32 vdev_id;
+	__le32 enabled;
+	__le32 method; /* WMI_STA_KEEPALIVE_METHOD_ */
+	__le32 interval; /* in seconds */
+} __packed;
+
 void ath10k_wmi_tlv_attach(struct ath10k *ar);
 
 #endif
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 3c48e0d21900e..1a99a7dd0e956 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4680,6 +4680,16 @@ struct wmi_sta_keepalive_cmd {
 	struct wmi_sta_keepalive_arp_resp arp_resp;
 } __packed;
 
+struct wmi_sta_keepalive_arg {
+	u32 vdev_id;
+	u32 enabled;
+	u32 method;
+	u32 interval;
+	__be32 src_ip4_addr;
+	__be32 dest_ip4_addr;
+	const u8 dest_mac_addr[ETH_ALEN];
+};
+
 enum wmi_force_fw_hang_type {
 	WMI_FORCE_FW_HANG_ASSERT = 1,
 	WMI_FORCE_FW_HANG_NO_DETECT,

From 46725b15334ca0598f1cc7ea34d2f6963bec11cb Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Wed, 28 Jan 2015 09:57:49 +0200
Subject: [PATCH 47/55] ath10k: disable sta keepalive

Firmware revisions providing sta keepalive service
have it enabled by default.

mac80211 already does idle connection polling so
it makes no sense to duplicate this in ath10k.
mac80211 wouldn't even know of the offloaded
keepalive NullFunc frames.

This prevents sending out some extraneous frames
on the air.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 42 +++++++++++++++++++++++++++
 drivers/net/wireless/ath/ath10k/wmi.h |  5 ++++
 2 files changed, 47 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 0c2ccc1011763..4ee74f660443a 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1286,6 +1286,38 @@ static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
 	return 0;
 }
 
+static int ath10k_mac_vif_disable_keepalive(struct ath10k_vif *arvif)
+{
+	struct ath10k *ar = arvif->ar;
+	struct wmi_sta_keepalive_arg arg = {};
+	int ret;
+
+	lockdep_assert_held(&arvif->ar->conf_mutex);
+
+	if (arvif->vdev_type != WMI_VDEV_TYPE_STA)
+		return 0;
+
+	if (!test_bit(WMI_SERVICE_STA_KEEP_ALIVE, ar->wmi.svc_map))
+		return 0;
+
+	/* Some firmware revisions have a bug and ignore the `enabled` field.
+	 * Instead use the interval to disable the keepalive.
+	 */
+	arg.vdev_id = arvif->vdev_id;
+	arg.enabled = 1;
+	arg.method = WMI_STA_KEEPALIVE_METHOD_NULL_FRAME;
+	arg.interval = WMI_STA_KEEPALIVE_INTERVAL_DISABLE;
+
+	ret = ath10k_wmi_sta_keepalive(ar, &arg);
+	if (ret) {
+		ath10k_warn(ar, "failed to submit keepalive on vdev %i: %d\n",
+			    arvif->vdev_id, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 /**********************/
 /* Station management */
 /**********************/
@@ -3180,6 +3212,16 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
 	ar->free_vdev_map &= ~(1LL << arvif->vdev_id);
 	list_add(&arvif->list, &ar->arvifs);
 
+	/* It makes no sense to have firmware do keepalives. mac80211 already
+	 * takes care of this with idle connection polling.
+	 */
+	ret = ath10k_mac_vif_disable_keepalive(arvif);
+	if (ret) {
+		ath10k_warn(ar, "failed to disable keepalive on vdev %i: %d\n",
+			    arvif->vdev_id, ret);
+		goto err_vdev_delete;
+	}
+
 	vdev_param = ar->wmi.vdev_param->def_keyid;
 	ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param,
 					arvif->def_wep_key_idx);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 1a99a7dd0e956..4b654083b8572 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4665,6 +4665,11 @@ enum wmi_sta_keepalive_method {
 	WMI_STA_KEEPALIVE_METHOD_UNSOLICITATED_ARP_RESPONSE = 2,
 };
 
+#define WMI_STA_KEEPALIVE_INTERVAL_DISABLE 0
+
+/* Firmware crashes if keepalive interval exceeds this limit */
+#define WMI_STA_KEEPALIVE_INTERVAL_MAX_SECONDS 0xffff
+
 /* note: ip4 addresses are in network byte order, i.e. big endian */
 struct wmi_sta_keepalive_arp_resp {
 	__be32 src_ip4_addr;

From d68bb12ab4a306ee76ab33a57b2a0067d4d5092d Mon Sep 17 00:00:00 2001
From: Yanbo Li <yanbol@qti.qualcomm.com>
Date: Fri, 23 Jan 2015 08:18:20 +0800
Subject: [PATCH 48/55] ath10k: Enable the MCS8 and MCS9 at 2.4G band

Enable the MCS8 and MCS9 support for 2.4G band, it will
use these data rate with other devices having the same
capability.

Signed-off-by: Yanbo Li <yanbol@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 14 ++++++++++++--
 drivers/net/wireless/ath/ath10k/wmi.h |  2 +-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 4ee74f660443a..f9440deffa261 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -1586,6 +1586,10 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
 		return;
 
 	arg->peer_flags |= WMI_PEER_VHT;
+
+	if (ar->hw->conf.chandef.chan->band == IEEE80211_BAND_2GHZ)
+		arg->peer_flags |= WMI_PEER_VHT_2G;
+
 	arg->peer_vht_caps = vht_cap->cap;
 
 	ampdu_factor = (vht_cap->cap &
@@ -1664,7 +1668,12 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
 
 	switch (ar->hw->conf.chandef.chan->band) {
 	case IEEE80211_BAND_2GHZ:
-		if (sta->ht_cap.ht_supported) {
+		if (sta->vht_cap.vht_supported) {
+			if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+				phymode = MODE_11AC_VHT40;
+			else
+				phymode = MODE_11AC_VHT20;
+		} else if (sta->ht_cap.ht_supported) {
 			if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
 				phymode = MODE_11NG_HT40;
 			else
@@ -5301,7 +5310,8 @@ int ath10k_mac_register(struct ath10k *ar)
 		band->bitrates = ath10k_g_rates;
 		band->ht_cap = ht_cap;
 
-		/* vht is not supported in 2.4 GHz */
+		/* Enable the VHT support at 2.4 GHz */
+		band->vht_cap = vht_cap;
 
 		ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band;
 	}
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 4b654083b8572..20ce3603e64b7 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4514,7 +4514,7 @@ struct wmi_peer_set_q_empty_callback_cmd {
 #define WMI_PEER_SPATIAL_MUX    0x00200000
 #define WMI_PEER_VHT            0x02000000
 #define WMI_PEER_80MHZ          0x04000000
-#define WMI_PEER_PMF            0x08000000
+#define WMI_PEER_VHT_2G         0x08000000
 
 /*
  * Peer rate capabilities.

From 6c3d7d785966f89bda1be17aef59ad14ce321f38 Mon Sep 17 00:00:00 2001
From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Mon, 26 Jan 2015 22:13:06 +0530
Subject: [PATCH 49/55] ath10k: fix target wakeup timeout

During drv_start/drv_stop stress testing in ARM platform,
sometimes target is taking more that 5ms to wake up. Similar
behaviour also noted during driver load and unload iterations.
On such cases, the wakup duration lies between 5-6ms. Hence
increasing pci wakup timeout 10ms to be more safer. With this
changes, able to complete power down/up >100 iterations without
any issues.

Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/pci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index ce4a1ef899612..bddf54320160d 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -194,7 +194,7 @@ static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
 
 #define ATH10K_PCI_RX_POST_RETRY_MS 50
 #define ATH_PCI_RESET_WAIT_MAX 10 /* ms */
-#define PCIE_WAKE_TIMEOUT 5000	/* 5ms */
+#define PCIE_WAKE_TIMEOUT 10000	/* 10ms */
 
 #define BAR_NUM 0
 

From 627613f8f081928efe2e82100f54c67e17bea72c Mon Sep 17 00:00:00 2001
From: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Date: Thu, 29 Jan 2015 13:50:38 +0200
Subject: [PATCH 50/55] ath10k: prevent setting wrong key idx for station

Ath10k driver sets wrong default key idx that results in
sending unicast frames with multicast key.

The reason for this behavior is that cached broadcast key
is installed for station MAC address on association. After
dot1x completes, unicast key is installed for station
MAC address. Default key idx is set to broadcast key id when
driver tries to send broadcast frame. This causes firmware
to use broadcast key id to transmit unicast frames to stations.

Used TX_USAGE flag to set default key for stations.

Added callback for setting unicast default idx which will be
invoked on every default key idx configuration.

Signed-off-by: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.h |   4 +-
 drivers/net/wireless/ath/ath10k/mac.c  | 161 +++++++++++--------------
 2 files changed, 72 insertions(+), 93 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index abb32037c3f72..a47b41dd966fc 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -285,10 +285,8 @@ struct ath10k_vif {
 	u32 aid;
 	u8 bssid[ETH_ALEN];
 
-	struct work_struct wep_key_work;
 	struct ieee80211_key_conf *wep_keys[WMI_MAX_KEY_INDEX + 1];
-	u8 def_wep_key_idx;
-	u8 def_wep_key_newidx;
+	s8 def_wep_key_idx;
 
 	u16 tx_seq_no;
 
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index f9440deffa261..d3fe1a378e8bf 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -37,7 +37,7 @@
 static int ath10k_send_key(struct ath10k_vif *arvif,
 			   struct ieee80211_key_conf *key,
 			   enum set_key_cmd cmd,
-			   const u8 *macaddr)
+			   const u8 *macaddr, bool def_idx)
 {
 	struct ath10k *ar = arvif->ar;
 	struct wmi_vdev_install_key_arg arg = {
@@ -72,6 +72,9 @@ static int ath10k_send_key(struct ath10k_vif *arvif,
 		 * Otherwise pairwise key must be set */
 		if (memcmp(macaddr, arvif->vif->addr, ETH_ALEN))
 			arg.key_flags = WMI_KEY_PAIRWISE;
+
+		if (def_idx)
+			arg.key_flags |= WMI_KEY_TX_USAGE;
 		break;
 	default:
 		ath10k_warn(ar, "cipher %d is not supported\n", key->cipher);
@@ -89,7 +92,7 @@ static int ath10k_send_key(struct ath10k_vif *arvif,
 static int ath10k_install_key(struct ath10k_vif *arvif,
 			      struct ieee80211_key_conf *key,
 			      enum set_key_cmd cmd,
-			      const u8 *macaddr)
+			      const u8 *macaddr, bool def_idx)
 {
 	struct ath10k *ar = arvif->ar;
 	int ret;
@@ -98,7 +101,7 @@ static int ath10k_install_key(struct ath10k_vif *arvif,
 
 	reinit_completion(&ar->install_key_done);
 
-	ret = ath10k_send_key(arvif, key, cmd, macaddr);
+	ret = ath10k_send_key(arvif, key, cmd, macaddr, def_idx);
 	if (ret)
 		return ret;
 
@@ -116,6 +119,7 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
 	struct ath10k_peer *peer;
 	int ret;
 	int i;
+	bool def_idx;
 
 	lockdep_assert_held(&ar->conf_mutex);
 
@@ -129,9 +133,14 @@ static int ath10k_install_peer_wep_keys(struct ath10k_vif *arvif,
 	for (i = 0; i < ARRAY_SIZE(arvif->wep_keys); i++) {
 		if (arvif->wep_keys[i] == NULL)
 			continue;
+		/* set TX_USAGE flag for default key id */
+		if (arvif->def_wep_key_idx == i)
+			def_idx = true;
+		else
+			def_idx = false;
 
 		ret = ath10k_install_key(arvif, arvif->wep_keys[i], SET_KEY,
-					 addr);
+					 addr, def_idx);
 		if (ret)
 			return ret;
 
@@ -165,8 +174,9 @@ static int ath10k_clear_peer_keys(struct ath10k_vif *arvif,
 		if (peer->keys[i] == NULL)
 			continue;
 
+		/* key flags are not required to delete the key */
 		ret = ath10k_install_key(arvif, peer->keys[i],
-					 DISABLE_KEY, addr);
+					 DISABLE_KEY, addr, false);
 		if (ret && first_errno == 0)
 			first_errno = ret;
 
@@ -240,8 +250,8 @@ static int ath10k_clear_vdev_key(struct ath10k_vif *arvif,
 
 		if (i == ARRAY_SIZE(peer->keys))
 			break;
-
-		ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr);
+		/* key flags are not required to delete the key */
+		ret = ath10k_install_key(arvif, key, DISABLE_KEY, addr, false);
 		if (ret && first_errno == 0)
 			first_errno = ret;
 
@@ -1855,7 +1865,8 @@ static void ath10k_bss_disassoc(struct ieee80211_hw *hw,
 		ath10k_warn(ar, "faield to down vdev %i: %d\n",
 			    arvif->vdev_id, ret);
 
-	arvif->def_wep_key_idx = 0;
+	arvif->def_wep_key_idx = -1;
+
 	arvif->is_up = false;
 }
 
@@ -1914,11 +1925,14 @@ static int ath10k_station_assoc(struct ath10k *ar,
 			}
 		}
 
-		ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
-		if (ret) {
-			ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
-				    arvif->vdev_id, ret);
-			return ret;
+		/* Plumb cached keys only for static WEP */
+		if (arvif->def_wep_key_idx != -1) {
+			ret = ath10k_install_peer_wep_keys(arvif, sta->addr);
+			if (ret) {
+				ath10k_warn(ar, "failed to install peer wep keys for vdev %i: %d\n",
+					    arvif->vdev_id, ret);
+				return ret;
+			}
 		}
 	}
 
@@ -2190,69 +2204,6 @@ static void ath10k_tx_h_nwifi(struct ieee80211_hw *hw, struct sk_buff *skb)
 	}
 }
 
-static void ath10k_tx_wep_key_work(struct work_struct *work)
-{
-	struct ath10k_vif *arvif = container_of(work, struct ath10k_vif,
-						wep_key_work);
-	struct ath10k *ar = arvif->ar;
-	int ret, keyidx = arvif->def_wep_key_newidx;
-
-	mutex_lock(&arvif->ar->conf_mutex);
-
-	if (arvif->ar->state != ATH10K_STATE_ON)
-		goto unlock;
-
-	if (arvif->def_wep_key_idx == keyidx)
-		goto unlock;
-
-	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
-		   arvif->vdev_id, keyidx);
-
-	ret = ath10k_wmi_vdev_set_param(arvif->ar,
-					arvif->vdev_id,
-					arvif->ar->wmi.vdev_param->def_keyid,
-					keyidx);
-	if (ret) {
-		ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
-			    arvif->vdev_id,
-			    ret);
-		goto unlock;
-	}
-
-	arvif->def_wep_key_idx = keyidx;
-
-unlock:
-	mutex_unlock(&arvif->ar->conf_mutex);
-}
-
-static void ath10k_tx_h_update_wep_key(struct ieee80211_vif *vif,
-				       struct ieee80211_key_conf *key,
-				       struct sk_buff *skb)
-{
-	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
-	struct ath10k *ar = arvif->ar;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
-	if (!ieee80211_has_protected(hdr->frame_control))
-		return;
-
-	if (!key)
-		return;
-
-	if (key->cipher != WLAN_CIPHER_SUITE_WEP40 &&
-	    key->cipher != WLAN_CIPHER_SUITE_WEP104)
-		return;
-
-	if (key->keyidx == arvif->def_wep_key_idx)
-		return;
-
-	/* FIXME: Most likely a few frames will be TXed with an old key. Simply
-	 * queueing frames until key index is updated is not an option because
-	 * sk_buff may need more processing to be done, e.g. offchannel */
-	arvif->def_wep_key_newidx = key->keyidx;
-	ieee80211_queue_work(ar->hw, &arvif->wep_key_work);
-}
-
 static void ath10k_tx_h_add_p2p_noa_ie(struct ath10k *ar,
 				       struct ieee80211_vif *vif,
 				       struct sk_buff *skb)
@@ -2613,7 +2564,6 @@ static void ath10k_tx(struct ieee80211_hw *hw,
 	struct ath10k *ar = hw->priv;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_vif *vif = info->control.vif;
-	struct ieee80211_key_conf *key = info->control.hw_key;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
 	/* We should disable CCK RATE due to P2P */
@@ -2627,7 +2577,6 @@ static void ath10k_tx(struct ieee80211_hw *hw,
 	/* it makes no sense to process injected frames like that */
 	if (vif && vif->type != NL80211_IFTYPE_MONITOR) {
 		ath10k_tx_h_nwifi(hw, skb);
-		ath10k_tx_h_update_wep_key(vif, key, skb);
 		ath10k_tx_h_add_p2p_noa_ie(ar, vif, skb);
 		ath10k_tx_h_seq_no(vif, skb);
 	}
@@ -3132,7 +3081,6 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
 	arvif->ar = ar;
 	arvif->vif = vif;
 
-	INIT_WORK(&arvif->wep_key_work, ath10k_tx_wep_key_work);
 	INIT_LIST_HEAD(&arvif->list);
 
 	if (ar->free_vdev_map == 0) {
@@ -3231,14 +3179,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
 		goto err_vdev_delete;
 	}
 
-	vdev_param = ar->wmi.vdev_param->def_keyid;
-	ret = ath10k_wmi_vdev_set_param(ar, 0, vdev_param,
-					arvif->def_wep_key_idx);
-	if (ret) {
-		ath10k_warn(ar, "failed to set vdev %i default key id: %d\n",
-			    arvif->vdev_id, ret);
-		goto err_vdev_delete;
-	}
+	arvif->def_wep_key_idx = -1;
 
 	vdev_param = ar->wmi.vdev_param->tx_encap_type;
 	ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
@@ -3358,8 +3299,6 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw,
 	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
 	int ret;
 
-	cancel_work_sync(&arvif->wep_key_work);
-
 	mutex_lock(&ar->conf_mutex);
 
 	spin_lock_bh(&ar->data_lock);
@@ -3731,6 +3670,7 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	const u8 *peer_addr;
 	bool is_wep = key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
 		      key->cipher == WLAN_CIPHER_SUITE_WEP104;
+	bool def_idx = false;
 	int ret = 0;
 
 	if (key->keyidx > WMI_MAX_KEY_INDEX)
@@ -3776,7 +3716,14 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			ath10k_clear_vdev_key(arvif, key);
 	}
 
-	ret = ath10k_install_key(arvif, key, cmd, peer_addr);
+	/* set TX_USAGE flag for all the keys incase of dot1x-WEP. For
+	 * static WEP, do not set this flag for the keys whose key id
+	 * is  greater than default key id.
+	 */
+	if (arvif->def_wep_key_idx == -1)
+		def_idx = true;
+
+	ret = ath10k_install_key(arvif, key, cmd, peer_addr, def_idx);
 	if (ret) {
 		ath10k_warn(ar, "failed to install key for vdev %i peer %pM: %d\n",
 			    arvif->vdev_id, peer_addr, ret);
@@ -3801,6 +3748,39 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	return ret;
 }
 
+static void ath10k_set_default_unicast_key(struct ieee80211_hw *hw,
+					   struct ieee80211_vif *vif,
+					   int keyidx)
+{
+	struct ath10k *ar = hw->priv;
+	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+	int ret;
+
+	mutex_lock(&arvif->ar->conf_mutex);
+
+	if (arvif->ar->state != ATH10K_STATE_ON)
+		goto unlock;
+
+	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vdev %d set keyidx %d\n",
+		   arvif->vdev_id, keyidx);
+
+	ret = ath10k_wmi_vdev_set_param(arvif->ar,
+					arvif->vdev_id,
+					arvif->ar->wmi.vdev_param->def_keyid,
+					keyidx);
+
+	if (ret) {
+		ath10k_warn(ar, "failed to update wep key index for vdev %d: %d\n",
+			    arvif->vdev_id,
+			    ret);
+		goto unlock;
+	}
+
+	arvif->def_wep_key_idx = keyidx;
+unlock:
+	mutex_unlock(&arvif->ar->conf_mutex);
+}
+
 static void ath10k_sta_rc_update_wk(struct work_struct *wk)
 {
 	struct ath10k *ar;
@@ -4966,6 +4946,7 @@ static const struct ieee80211_ops ath10k_ops = {
 	.hw_scan			= ath10k_hw_scan,
 	.cancel_hw_scan			= ath10k_cancel_hw_scan,
 	.set_key			= ath10k_set_key,
+	.set_default_unicast_key        = ath10k_set_default_unicast_key,
 	.sta_state			= ath10k_sta_state,
 	.conf_tx			= ath10k_conf_tx,
 	.remain_on_channel		= ath10k_remain_on_channel,

From 9ad501827bd153dc2865dd60a456e3e43283b507 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Thu, 29 Jan 2015 14:29:47 +0200
Subject: [PATCH 51/55] ath10k: change dma beacon cmd prototype

The command logic shouldn't really care about
arvif structure.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/wmi-ops.h | 14 ++++++++----
 drivers/net/wireless/ath/ath10k/wmi-tlv.c | 20 +++++++++--------
 drivers/net/wireless/ath/ath10k/wmi.c     | 27 ++++++++++++++---------
 3 files changed, 38 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 058f88b6ff53f..de436162a8054 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -104,7 +104,10 @@ struct wmi_ops {
 					 u32 value);
 	struct sk_buff *(*gen_scan_chan_list)(struct ath10k *ar,
 					      const struct wmi_scan_chan_list_arg *arg);
-	struct sk_buff *(*gen_beacon_dma)(struct ath10k_vif *arvif);
+	struct sk_buff *(*gen_beacon_dma)(struct ath10k *ar, u32 vdev_id,
+					  const void *bcn, size_t bcn_len,
+					  u32 bcn_paddr, bool dtim_zero,
+					  bool deliver_cab);
 	struct sk_buff *(*gen_pdev_set_wmm)(struct ath10k *ar,
 					    const struct wmi_wmm_params_all_arg *arg);
 	struct sk_buff *(*gen_request_stats)(struct ath10k *ar,
@@ -768,16 +771,19 @@ ath10k_wmi_peer_assoc(struct ath10k *ar,
 }
 
 static inline int
-ath10k_wmi_beacon_send_ref_nowait(struct ath10k_vif *arvif)
+ath10k_wmi_beacon_send_ref_nowait(struct ath10k *ar, u32 vdev_id,
+				  const void *bcn, size_t bcn_len,
+				  u32 bcn_paddr, bool dtim_zero,
+				  bool deliver_cab)
 {
-	struct ath10k *ar = arvif->ar;
 	struct sk_buff *skb;
 	int ret;
 
 	if (!ar->wmi.ops->gen_beacon_dma)
 		return -EOPNOTSUPP;
 
-	skb = ar->wmi.ops->gen_beacon_dma(arvif);
+	skb = ar->wmi.ops->gen_beacon_dma(ar, vdev_id, bcn, bcn_len, bcn_paddr,
+					  dtim_zero, deliver_cab);
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index be32db96701fb..ba78c187976c2 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2001,13 +2001,15 @@ ath10k_wmi_tlv_op_gen_scan_chan_list(struct ath10k *ar,
 }
 
 static struct sk_buff *
-ath10k_wmi_tlv_op_gen_beacon_dma(struct ath10k_vif *arvif)
+ath10k_wmi_tlv_op_gen_beacon_dma(struct ath10k *ar, u32 vdev_id,
+				 const void *bcn, size_t bcn_len,
+				 u32 bcn_paddr, bool dtim_zero,
+				 bool deliver_cab)
+
 {
-	struct ath10k *ar = arvif->ar;
 	struct wmi_bcn_tx_ref_cmd *cmd;
 	struct wmi_tlv *tlv;
 	struct sk_buff *skb;
-	struct sk_buff *beacon = arvif->beacon;
 	struct ieee80211_hdr *hdr;
 	u16 fc;
 
@@ -2015,24 +2017,24 @@ ath10k_wmi_tlv_op_gen_beacon_dma(struct ath10k_vif *arvif)
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
-	hdr = (struct ieee80211_hdr *)beacon->data;
+	hdr = (struct ieee80211_hdr *)bcn;
 	fc = le16_to_cpu(hdr->frame_control);
 
 	tlv = (void *)skb->data;
 	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_BCN_SEND_FROM_HOST_CMD);
 	tlv->len = __cpu_to_le16(sizeof(*cmd));
 	cmd = (void *)tlv->value;
-	cmd->vdev_id = __cpu_to_le32(arvif->vdev_id);
-	cmd->data_len = __cpu_to_le32(beacon->len);
-	cmd->data_ptr = __cpu_to_le32(ATH10K_SKB_CB(beacon)->paddr);
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->data_len = __cpu_to_le32(bcn_len);
+	cmd->data_ptr = __cpu_to_le32(bcn_paddr);
 	cmd->msdu_id = 0;
 	cmd->frame_control = __cpu_to_le32(fc);
 	cmd->flags = 0;
 
-	if (ATH10K_SKB_CB(beacon)->bcn.dtim_zero)
+	if (dtim_zero)
 		cmd->flags |= __cpu_to_le32(WMI_BCN_TX_REF_FLAG_DTIM_ZERO);
 
-	if (ATH10K_SKB_CB(beacon)->bcn.deliver_cab)
+	if (deliver_cab)
 		cmd->flags |= __cpu_to_le32(WMI_BCN_TX_REF_FLAG_DELIVER_CAB);
 
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv beacon dma\n");
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 81561e4ae3087..01c0230cbf9b2 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -956,6 +956,8 @@ int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb,
 
 static void ath10k_wmi_tx_beacon_nowait(struct ath10k_vif *arvif)
 {
+	struct sk_buff *bcn;
+	struct ath10k_skb_cb *cb;
 	int ret;
 
 	lockdep_assert_held(&arvif->ar->data_lock);
@@ -966,7 +968,12 @@ static void ath10k_wmi_tx_beacon_nowait(struct ath10k_vif *arvif)
 	if (arvif->beacon_sent)
 		return;
 
-	ret = ath10k_wmi_beacon_send_ref_nowait(arvif);
+	bcn = arvif->beacon;
+	cb = ATH10K_SKB_CB(bcn);
+	ret = ath10k_wmi_beacon_send_ref_nowait(arvif->ar, arvif->vdev_id,
+						bcn->data, bcn->len, cb->paddr,
+						cb->bcn.dtim_zero,
+						cb->bcn.deliver_cab);
 	if (ret)
 		return;
 
@@ -4856,12 +4863,12 @@ ath10k_wmi_10_2_op_gen_pdev_get_temperature(struct ath10k *ar)
 
 /* This function assumes the beacon is already DMA mapped */
 static struct sk_buff *
-ath10k_wmi_op_gen_beacon_dma(struct ath10k_vif *arvif)
+ath10k_wmi_op_gen_beacon_dma(struct ath10k *ar, u32 vdev_id, const void *bcn,
+			     size_t bcn_len, u32 bcn_paddr, bool dtim_zero,
+			     bool deliver_cab)
 {
-	struct ath10k *ar = arvif->ar;
 	struct wmi_bcn_tx_ref_cmd *cmd;
 	struct sk_buff *skb;
-	struct sk_buff *beacon = arvif->beacon;
 	struct ieee80211_hdr *hdr;
 	u16 fc;
 
@@ -4869,22 +4876,22 @@ ath10k_wmi_op_gen_beacon_dma(struct ath10k_vif *arvif)
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
-	hdr = (struct ieee80211_hdr *)beacon->data;
+	hdr = (struct ieee80211_hdr *)bcn;
 	fc = le16_to_cpu(hdr->frame_control);
 
 	cmd = (struct wmi_bcn_tx_ref_cmd *)skb->data;
-	cmd->vdev_id = __cpu_to_le32(arvif->vdev_id);
-	cmd->data_len = __cpu_to_le32(beacon->len);
-	cmd->data_ptr = __cpu_to_le32(ATH10K_SKB_CB(beacon)->paddr);
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->data_len = __cpu_to_le32(bcn_len);
+	cmd->data_ptr = __cpu_to_le32(bcn_paddr);
 	cmd->msdu_id = 0;
 	cmd->frame_control = __cpu_to_le32(fc);
 	cmd->flags = 0;
 	cmd->antenna_mask = __cpu_to_le32(WMI_BCN_TX_REF_DEF_ANTENNA);
 
-	if (ATH10K_SKB_CB(beacon)->bcn.dtim_zero)
+	if (dtim_zero)
 		cmd->flags |= __cpu_to_le32(WMI_BCN_TX_REF_FLAG_DTIM_ZERO);
 
-	if (ATH10K_SKB_CB(beacon)->bcn.deliver_cab)
+	if (deliver_cab)
 		cmd->flags |= __cpu_to_le32(WMI_BCN_TX_REF_FLAG_DELIVER_CAB);
 
 	return skb;

From af21319fcda4c43aa89186e0d6001432c5d6000e Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Thu, 29 Jan 2015 14:29:52 +0200
Subject: [PATCH 52/55] ath10k: fix beacon deadlock

This should fix a very rare occurrence of the following deadlock:

  [<ffffffffa018265e>] ath10k_wmi_tx_beacons_nowait+0x1e/0x50 [ath10k_core]
  [<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core]
  [<ffffffffa017d685>] ath10k_htc_send+0x285/0x3d0 [ath10k_core]
  [<ffffffffa0184b81>] ath10k_wmi_cmd_send_nowait+0x81/0x110 [ath10k_core]
  [<ffffffffa0184c61>] ath10k_wmi_tx_beacon_nowait.part.33+0x51/0x90 [ath10k_core]
  [<ffffffffa0184cd0>] ath10k_wmi_tx_beacons_iter+0x30/0x40 [ath10k_core]
  [<ffffffff81882246>] __iterate_active_interfaces+0xa6/0x100
  [<ffffffffa0184ca0>] ? ath10k_wmi_tx_beacon_nowait.part.33+0x90/0x90 [ath10k_core]
  [<ffffffff818822ae>] ieee80211_iterate_active_interfaces_atomic+0xe/0x10
  [<ffffffffa0182676>] ath10k_wmi_tx_beacons_nowait+0x36/0x50 [ath10k_core]
  [<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core]
  [<ffffffffa017d140>] ath10k_htc_rx+0x280/0x410 [ath10k_core]
  [<ffffffffa01bcbf0>] ? ath10k_ce_completed_recv_next+0x60/0x80 [ath10k_pci]
  [<ffffffffa01bc6ab>] ath10k_pci_ce_recv_data+0x11b/0x1d0 [ath10k_pci]
  [<ffffffffa01bcf44>] ath10k_ce_per_engine_service+0x64/0xc0 [ath10k_pci]
  [<ffffffffa01bcfc2>] ath10k_ce_per_engine_service_any+0x22/0x50 [ath10k_pci]
  [<ffffffffa01bc4d0>] ath10k_pci_tasklet+0x30/0x90 [ath10k_pci]
  [<ffffffff81055a55>] tasklet_action+0xc5/0x100

To prevent this make sure to release ar->data_lock
while calling to ath10k_wmi_beacon_send_ref_nowait().

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.h |  8 ++-
 drivers/net/wireless/ath/ath10k/mac.c  |  6 ++-
 drivers/net/wireless/ath/ath10k/wmi.c  | 68 +++++++++++++++++---------
 3 files changed, 58 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index a47b41dd966fc..c8ba6bd4b9686 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -262,6 +262,12 @@ struct ath10k_sta {
 
 #define ATH10K_VDEV_SETUP_TIMEOUT_HZ (5*HZ)
 
+enum ath10k_beacon_state {
+	ATH10K_BEACON_SCHEDULED = 0,
+	ATH10K_BEACON_SENDING,
+	ATH10K_BEACON_SENT,
+};
+
 struct ath10k_vif {
 	struct list_head list;
 
@@ -272,7 +278,7 @@ struct ath10k_vif {
 	u32 dtim_period;
 	struct sk_buff *beacon;
 	/* protected by data_lock */
-	bool beacon_sent;
+	enum ath10k_beacon_state beacon_state;
 	void *beacon_buf;
 	dma_addr_t beacon_paddr;
 
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index d3fe1a378e8bf..d0d882d632d1d 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -531,10 +531,14 @@ void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif)
 		dma_unmap_single(ar->dev, ATH10K_SKB_CB(arvif->beacon)->paddr,
 				 arvif->beacon->len, DMA_TO_DEVICE);
 
+	if (WARN_ON(arvif->beacon_state != ATH10K_BEACON_SCHEDULED &&
+		    arvif->beacon_state != ATH10K_BEACON_SENT))
+		return;
+
 	dev_kfree_skb_any(arvif->beacon);
 
 	arvif->beacon = NULL;
-	arvif->beacon_sent = false;
+	arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
 }
 
 static void ath10k_mac_vif_beacon_cleanup(struct ath10k_vif *arvif)
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 01c0230cbf9b2..d6c5b423b8369 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -956,30 +956,45 @@ int ath10k_wmi_cmd_send_nowait(struct ath10k *ar, struct sk_buff *skb,
 
 static void ath10k_wmi_tx_beacon_nowait(struct ath10k_vif *arvif)
 {
-	struct sk_buff *bcn;
+	struct ath10k *ar = arvif->ar;
 	struct ath10k_skb_cb *cb;
+	struct sk_buff *bcn;
 	int ret;
 
-	lockdep_assert_held(&arvif->ar->data_lock);
+	spin_lock_bh(&ar->data_lock);
 
-	if (arvif->beacon == NULL)
-		return;
+	bcn = arvif->beacon;
 
-	if (arvif->beacon_sent)
-		return;
+	if (!bcn)
+		goto unlock;
 
-	bcn = arvif->beacon;
 	cb = ATH10K_SKB_CB(bcn);
-	ret = ath10k_wmi_beacon_send_ref_nowait(arvif->ar, arvif->vdev_id,
-						bcn->data, bcn->len, cb->paddr,
-						cb->bcn.dtim_zero,
-						cb->bcn.deliver_cab);
-	if (ret)
-		return;
 
-	/* We need to retain the arvif->beacon reference for DMA unmapping and
-	 * freeing the skbuff later. */
-	arvif->beacon_sent = true;
+	switch (arvif->beacon_state) {
+	case ATH10K_BEACON_SENDING:
+	case ATH10K_BEACON_SENT:
+		break;
+	case ATH10K_BEACON_SCHEDULED:
+		arvif->beacon_state = ATH10K_BEACON_SENDING;
+		spin_unlock_bh(&ar->data_lock);
+
+		ret = ath10k_wmi_beacon_send_ref_nowait(arvif->ar,
+							arvif->vdev_id,
+							bcn->data, bcn->len,
+							cb->paddr,
+							cb->bcn.dtim_zero,
+							cb->bcn.deliver_cab);
+
+		spin_lock_bh(&ar->data_lock);
+
+		if (ret == 0)
+			arvif->beacon_state = ATH10K_BEACON_SENT;
+		else
+			arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
+	}
+
+unlock:
+	spin_unlock_bh(&ar->data_lock);
 }
 
 static void ath10k_wmi_tx_beacons_iter(void *data, u8 *mac,
@@ -992,12 +1007,10 @@ static void ath10k_wmi_tx_beacons_iter(void *data, u8 *mac,
 
 static void ath10k_wmi_tx_beacons_nowait(struct ath10k *ar)
 {
-	spin_lock_bh(&ar->data_lock);
 	ieee80211_iterate_active_interfaces_atomic(ar->hw,
 						   IEEE80211_IFACE_ITER_NORMAL,
 						   ath10k_wmi_tx_beacons_iter,
 						   NULL);
-	spin_unlock_bh(&ar->data_lock);
 }
 
 static void ath10k_wmi_op_ep_tx_credits(struct ath10k *ar)
@@ -2459,9 +2472,19 @@ void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
 		spin_lock_bh(&ar->data_lock);
 
 		if (arvif->beacon) {
-			if (!arvif->beacon_sent)
-				ath10k_warn(ar, "SWBA overrun on vdev %d\n",
+			switch (arvif->beacon_state) {
+			case ATH10K_BEACON_SENT:
+				break;
+			case ATH10K_BEACON_SCHEDULED:
+				ath10k_warn(ar, "SWBA overrun on vdev %d, skipped old beacon\n",
+					    arvif->vdev_id);
+				break;
+			case ATH10K_BEACON_SENDING:
+				ath10k_warn(ar, "SWBA overrun on vdev %d, skipped new beacon\n",
 					    arvif->vdev_id);
+				dev_kfree_skb(bcn);
+				goto skip;
+			}
 
 			ath10k_mac_vif_beacon_free(arvif);
 		}
@@ -2489,15 +2512,16 @@ void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
 		}
 
 		arvif->beacon = bcn;
-		arvif->beacon_sent = false;
+		arvif->beacon_state = ATH10K_BEACON_SCHEDULED;
 
 		trace_ath10k_tx_hdr(ar, bcn->data, bcn->len);
 		trace_ath10k_tx_payload(ar, bcn->data, bcn->len);
 
-		ath10k_wmi_tx_beacon_nowait(arvif);
 skip:
 		spin_unlock_bh(&ar->data_lock);
 	}
+
+	ath10k_wmi_tx_beacons_nowait(ar);
 }
 
 void ath10k_wmi_event_tbttoffset_update(struct ath10k *ar, struct sk_buff *skb)

From 75930d1a80e81052376ffc5298aadfe8a075d9d2 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Wed, 28 Jan 2015 11:31:32 +0100
Subject: [PATCH 53/55] ath10k: Use TX cksum offload only for CHECKSUM_PARTIAL

Otherwise ath10k will just checksum everything even if it did not
go through the TCP/IP stack (for example bridged frames). In the worst
case this could mean recreating the checksum for incorrect data.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/htt_tx.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index c1961e77d58d8..cbd2bc9e62025 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -515,8 +515,10 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 
 	flags1 |= SM((u16)vdev_id, HTT_DATA_TX_DESC_FLAGS1_VDEV_ID);
 	flags1 |= SM((u16)tid, HTT_DATA_TX_DESC_FLAGS1_EXT_TID);
-	flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD;
-	flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD;
+	if (msdu->ip_summed == CHECKSUM_PARTIAL) {
+		flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD;
+		flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD;
+	}
 
 	/* Prevent firmware from sending up tx inspection requests. There's
 	 * nothing ath10k can do with frames requested for inspection so force

From 467210a67b8e4e63dc7fb0bc9aca21e412f32da5 Mon Sep 17 00:00:00 2001
From: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Date: Thu, 29 Jan 2015 14:36:52 +0530
Subject: [PATCH 54/55] ath10k: add log level configuration for fw_dbglog

Introduce an optional log level configuration for the existing debugfs fw_dbglog file. It
allows users to configure the desired log level for firmware dbglog messages.

To configure log level as WARN:

echo 0xffffffff  2 > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog

The values are:

VERBOSE		0
INFO		1
WARN		2
ERR		3

Signed-off-by: SenthilKumar Jegadeesan <sjegadee@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.h    |  1 +
 drivers/net/wireless/ath/ath10k/debug.c   | 32 ++++++++++++++++-------
 drivers/net/wireless/ath/ath10k/wmi-ops.h |  7 ++---
 drivers/net/wireless/ath/ath10k/wmi-tlv.c |  4 +--
 drivers/net/wireless/ath/ath10k/wmi.c     |  5 ++--
 5 files changed, 33 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index c8ba6bd4b9686..d60e46fe6d19c 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -350,6 +350,7 @@ struct ath10k_debug {
 
 	/* protected by conf_mutex */
 	u32 fw_dbglog_mask;
+	u32 fw_dbglog_level;
 	u32 pktlog_filter;
 	u32 reg_addr;
 	u32 nf_cal_period;
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 42b2e49b28366..d2281e5c2ffe2 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1318,10 +1318,10 @@ static ssize_t ath10k_read_fw_dbglog(struct file *file,
 {
 	struct ath10k *ar = file->private_data;
 	unsigned int len;
-	char buf[32];
+	char buf[64];
 
-	len = scnprintf(buf, sizeof(buf), "0x%08x\n",
-			ar->debug.fw_dbglog_mask);
+	len = scnprintf(buf, sizeof(buf), "0x%08x %u\n",
+			ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
 
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
@@ -1331,19 +1331,32 @@ static ssize_t ath10k_write_fw_dbglog(struct file *file,
 				      size_t count, loff_t *ppos)
 {
 	struct ath10k *ar = file->private_data;
-	unsigned long mask;
 	int ret;
+	char buf[64];
+	unsigned int log_level, mask;
 
-	ret = kstrtoul_from_user(user_buf, count, 0, &mask);
-	if (ret)
-		return ret;
+	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+
+	/* make sure that buf is null terminated */
+	buf[sizeof(buf) - 1] = 0;
+
+	ret = sscanf(buf, "%x %u", &mask, &log_level);
+
+	if (!ret)
+		return -EINVAL;
+
+	if (ret == 1)
+		/* default if user did not specify */
+		log_level = ATH10K_DBGLOG_LEVEL_WARN;
 
 	mutex_lock(&ar->conf_mutex);
 
 	ar->debug.fw_dbglog_mask = mask;
+	ar->debug.fw_dbglog_level = log_level;
 
 	if (ar->state == ATH10K_STATE_ON) {
-		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
+		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
+					    ar->debug.fw_dbglog_level);
 		if (ret) {
 			ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
 				    ret);
@@ -1685,7 +1698,8 @@ int ath10k_debug_start(struct ath10k *ar)
 			    ret);
 
 	if (ar->debug.fw_dbglog_mask) {
-		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
+		ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
+					    ATH10K_DBGLOG_LEVEL_WARN);
 		if (ret)
 			/* not serious */
 			ath10k_warn(ar, "failed to enable dbglog during start: %d",
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index de436162a8054..04dc4b9db04e7 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -116,7 +116,8 @@ struct wmi_ops {
 					     enum wmi_force_fw_hang_type type,
 					     u32 delay_ms);
 	struct sk_buff *(*gen_mgmt_tx)(struct ath10k *ar, struct sk_buff *skb);
-	struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable);
+	struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable,
+					  u32 log_level);
 	struct sk_buff *(*gen_pktlog_enable)(struct ath10k *ar, u32 filter);
 	struct sk_buff *(*gen_pktlog_disable)(struct ath10k *ar);
 	struct sk_buff *(*gen_pdev_set_quiet_mode)(struct ath10k *ar,
@@ -846,14 +847,14 @@ ath10k_wmi_force_fw_hang(struct ath10k *ar,
 }
 
 static inline int
-ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable)
+ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable, u32 log_level)
 {
 	struct sk_buff *skb;
 
 	if (!ar->wmi.ops->gen_dbglog_cfg)
 		return -EOPNOTSUPP;
 
-	skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable);
+	skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable, log_level);
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
 
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index ba78c187976c2..71614ba1b145e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2126,8 +2126,8 @@ ath10k_wmi_tlv_op_gen_force_fw_hang(struct ath10k *ar,
 }
 
 static struct sk_buff *
-ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
-{
+ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable,
+				 u32 log_level) {
 	struct wmi_tlv_dbglog_cmd *cmd;
 	struct wmi_tlv *tlv;
 	struct sk_buff *skb;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index d6c5b423b8369..fd213d9e4214a 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4991,7 +4991,8 @@ ath10k_wmi_op_gen_force_fw_hang(struct ath10k *ar,
 }
 
 static struct sk_buff *
-ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
+ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable,
+			     u32 log_level)
 {
 	struct wmi_dbglog_cfg_cmd *cmd;
 	struct sk_buff *skb;
@@ -5004,7 +5005,7 @@ ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
 	cmd = (struct wmi_dbglog_cfg_cmd *)skb->data;
 
 	if (module_enable) {
-		cfg = SM(ATH10K_DBGLOG_LEVEL_VERBOSE,
+		cfg = SM(log_level,
 			 ATH10K_DBGLOG_CFG_LOG_LVL);
 	} else {
 		/* set back defaults, all modules with WARN level */

From 608b8f736bf520649ced45b0fdabf847be8e5e55 Mon Sep 17 00:00:00 2001
From: Michal Kazior <michal.kazior@tieto.com>
Date: Thu, 29 Jan 2015 13:24:33 +0100
Subject: [PATCH 55/55] ath10k: enable qca6174 hw3.2

The 3.2 revision has a different target BMI
version so it wasn't recognized by ath10k (despite
the chip_id rev being on the supported list
already).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
---
 drivers/net/wireless/ath/ath10k/core.c | 15 +++++++++++++++
 drivers/net/wireless/ath/ath10k/hw.h   |  1 +
 2 files changed, 16 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 5e9e1a6958f48..310e12bc078a6 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -85,6 +85,21 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
 		},
 	},
+	{
+		.id = QCA6174_HW_3_2_VERSION,
+		.name = "qca6174 hw3.2",
+		.patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
+		.uart_pin = 6,
+		.fw = {
+			/* uses same binaries as hw3.0 */
+			.dir = QCA6174_HW_3_0_FW_DIR,
+			.fw = QCA6174_HW_3_0_FW_FILE,
+			.otp = QCA6174_HW_3_0_OTP_FILE,
+			.board = QCA6174_HW_3_0_BOARD_DATA_FILE,
+			.board_size = QCA6174_BOARD_DATA_SZ,
+			.board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+		},
+	},
 };
 
 static void ath10k_send_suspend_complete(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 577127844ec8e..460771fcfe9ea 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -40,6 +40,7 @@
 #define QCA6174_HW_1_3_VERSION		0x05000003
 #define QCA6174_HW_2_1_VERSION		0x05010000
 #define QCA6174_HW_3_0_VERSION		0x05020000
+#define QCA6174_HW_3_2_VERSION		0x05030000
 
 enum qca6174_pci_rev {
 	QCA6174_PCI_REV_1_1 = 0x11,