Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kva…

…lo/ath.git

ath.git patches for 4.14. Major changes:

ath10k

* initial UBS bus support (no full support yet)

* add tdls support for 10.4 firmware

ath9k

* add Dell Wireless 1802

wil6210

* support FW RSSI reporting

drivers/net/wireless/ath/ath10k/Kconfig

@@ -29,6 +29,13 @@ config ATH10K_SDIO
 	  This module adds experimental support for SDIO/MMC bus. Currently
 	  work in progress and will not fully work.
 
+config ATH10K_USB
+	tristate "Atheros ath10k USB support (EXPERIMENTAL)"
+	depends on ATH10K && USB
+	---help---
+	  This module adds experimental support for USB bus. Currently
+	  work in progress and will not fully work.
+
 config ATH10K_DEBUG
 	bool "Atheros ath10k debugging"
 	depends on ATH10K

drivers/net/wireless/ath/ath10k/Makefile

@@ -30,5 +30,8 @@ ath10k_pci-$(CONFIG_ATH10K_AHB) += ahb.o
 obj-$(CONFIG_ATH10K_SDIO) += ath10k_sdio.o
 ath10k_sdio-y += sdio.o
 
+obj-$(CONFIG_ATH10K_USB) += ath10k_usb.o
+ath10k_usb-y += usb.o
+
 # for tracing framework to find trace.h
 CFLAGS_trace.o := -I$(src)

drivers/net/wireless/ath/ath10k/ahb.c

@@ -197,35 +197,40 @@ static int ath10k_ahb_rst_ctrl_init(struct ath10k *ar)
 
 	dev = &ar_ahb->pdev->dev;
 
-	ar_ahb->core_cold_rst = devm_reset_control_get(dev, "wifi_core_cold");
+	ar_ahb->core_cold_rst = devm_reset_control_get_exclusive(dev,
+								 "wifi_core_cold");
 	if (IS_ERR(ar_ahb->core_cold_rst)) {
 		ath10k_err(ar, "failed to get core cold rst ctrl: %ld\n",
 			   PTR_ERR(ar_ahb->core_cold_rst));
 		return PTR_ERR(ar_ahb->core_cold_rst);
 	}
 
-	ar_ahb->radio_cold_rst = devm_reset_control_get(dev, "wifi_radio_cold");
+	ar_ahb->radio_cold_rst = devm_reset_control_get_exclusive(dev,
+								  "wifi_radio_cold");
 	if (IS_ERR(ar_ahb->radio_cold_rst)) {
 		ath10k_err(ar, "failed to get radio cold rst ctrl: %ld\n",
 			   PTR_ERR(ar_ahb->radio_cold_rst));
 		return PTR_ERR(ar_ahb->radio_cold_rst);
 	}
 
-	ar_ahb->radio_warm_rst = devm_reset_control_get(dev, "wifi_radio_warm");
+	ar_ahb->radio_warm_rst = devm_reset_control_get_exclusive(dev,
+								  "wifi_radio_warm");
 	if (IS_ERR(ar_ahb->radio_warm_rst)) {
 		ath10k_err(ar, "failed to get radio warm rst ctrl: %ld\n",
 			   PTR_ERR(ar_ahb->radio_warm_rst));
 		return PTR_ERR(ar_ahb->radio_warm_rst);
 	}
 
-	ar_ahb->radio_srif_rst = devm_reset_control_get(dev, "wifi_radio_srif");
+	ar_ahb->radio_srif_rst = devm_reset_control_get_exclusive(dev,
+								  "wifi_radio_srif");
 	if (IS_ERR(ar_ahb->radio_srif_rst)) {
 		ath10k_err(ar, "failed to get radio srif rst ctrl: %ld\n",
 			   PTR_ERR(ar_ahb->radio_srif_rst));
 		return PTR_ERR(ar_ahb->radio_srif_rst);
 	}
 
-	ar_ahb->cpu_init_rst = devm_reset_control_get(dev, "wifi_cpu_init");
+	ar_ahb->cpu_init_rst = devm_reset_control_get_exclusive(dev,
+								"wifi_cpu_init");
 	if (IS_ERR(ar_ahb->cpu_init_rst)) {
 		ath10k_err(ar, "failed to get cpu init rst ctrl: %ld\n",
 			   PTR_ERR(ar_ahb->cpu_init_rst));

drivers/net/wireless/ath/ath10k/core.c

@@ -1454,6 +1454,7 @@ static void ath10k_core_get_fw_name(struct ath10k *ar, char *fw_name,
 {
 	switch (ar->hif.bus) {
 	case ATH10K_BUS_SDIO:
+	case ATH10K_BUS_USB:
 		scnprintf(fw_name, fw_name_len, "%s-%s-%d.bin",
 			  ATH10K_FW_FILE_BASE, ath10k_bus_str(ar->hif.bus),
 			  fw_api);
@@ -1885,6 +1886,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar)
 		ar->fw_stats_req_mask = WMI_10_4_STAT_PEER |
 					WMI_10_4_STAT_PEER_EXTD;
 		ar->max_spatial_stream = ar->hw_params.max_spatial_stream;
+		ar->max_num_tdls_vdevs = TARGET_10_4_NUM_TDLS_VDEVS;
 
 		if (test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
 			     fw_file->fw_features))
@@ -2123,6 +2125,14 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 			     ar->running_fw->fw_file.fw_features))
 			val |= WMI_10_4_COEX_GPIO_SUPPORT;
 
+		if (test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY,
+			     ar->wmi.svc_map))
+			val |= WMI_10_4_TDLS_EXPLICIT_MODE_ONLY;
+
+		if (test_bit(WMI_SERVICE_TDLS_UAPSD_BUFFER_STA,
+			     ar->wmi.svc_map))
+			val |= WMI_10_4_TDLS_UAPSD_BUFFER_STA;
+
 		status = ath10k_mac_ext_resource_config(ar, val);
 		if (status) {
 			ath10k_err(ar,

drivers/net/wireless/ath/ath10k/core.h

@@ -92,6 +92,7 @@ enum ath10k_bus {
 	ATH10K_BUS_PCI,
 	ATH10K_BUS_AHB,
 	ATH10K_BUS_SDIO,
+	ATH10K_BUS_USB,
 };
 
 static inline const char *ath10k_bus_str(enum ath10k_bus bus)
@@ -103,6 +104,8 @@ static inline const char *ath10k_bus_str(enum ath10k_bus bus)
 		return "ahb";
 	case ATH10K_BUS_SDIO:
 		return "sdio";
+	case ATH10K_BUS_USB:
+		return "usb";
 	}
 
 	return "unknown";
@@ -993,6 +996,8 @@ struct ath10k {
 		u32 reg_ack_cts_timeout_orig;
 	} fw_coverage;
 
+	u32 ampdu_reference;
+
 	void *ce_priv;
 
 	/* must be last */

drivers/net/wireless/ath/ath10k/debug.h

@@ -40,6 +40,8 @@ enum ath10k_debug_mask {
 	ATH10K_DBG_AHB		= 0x00008000,
 	ATH10K_DBG_SDIO		= 0x00010000,
 	ATH10K_DBG_SDIO_DUMP	= 0x00020000,
+	ATH10K_DBG_USB		= 0x00040000,
+	ATH10K_DBG_USB_BULK	= 0x00080000,
 	ATH10K_DBG_ANY		= 0xffffffff,
 };
 

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -890,16 +890,26 @@ static void ath10k_htt_rx_h_ppdu(struct ath10k *ar,
 		status->nss = 0;
 		status->encoding = RX_ENC_LEGACY;
 		status->bw = RATE_INFO_BW_20;
+
 		status->flag &= ~RX_FLAG_MACTIME_END;
 		status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
+		status->flag &= ~(RX_FLAG_AMPDU_IS_LAST);
+		status->flag |= RX_FLAG_AMPDU_DETAILS | RX_FLAG_AMPDU_LAST_KNOWN;
+		status->ampdu_reference = ar->ampdu_reference;
+
 		ath10k_htt_rx_h_signal(ar, status, rxd);
 		ath10k_htt_rx_h_channel(ar, status, rxd, vdev_id);
 		ath10k_htt_rx_h_rates(ar, status, rxd);
 	}
 
-	if (is_last_ppdu)
+	if (is_last_ppdu) {
 		ath10k_htt_rx_h_mactime(ar, status, rxd);
+
+		/* set ampdu last segment flag */
+		status->flag |= RX_FLAG_AMPDU_IS_LAST;
+		ar->ampdu_reference++;
+	}
 }
 
 static const char * const tid_to_ac[] = {

drivers/net/wireless/ath/ath10k/hw.h

@@ -720,6 +720,11 @@ ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw,
 #define TARGET_10_4_IPHDR_PAD_CONFIG		1
 #define TARGET_10_4_QWRAP_CONFIG		0
 
+/* TDLS config */
+#define TARGET_10_4_NUM_TDLS_VDEVS		1
+#define TARGET_10_4_NUM_TDLS_BUFFER_STA		1
+#define TARGET_10_4_NUM_TDLS_SLEEP_STA		1
+
 /* Maximum number of Copy Engine's supported */
 #define CE_COUNT_MAX 12
 

drivers/net/wireless/ath/ath10k/mac.c

@@ -8197,8 +8197,11 @@ int ath10k_mac_register(struct ath10k *ar)
 			NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
 	}
 
-	if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map))
+	if (test_bit(WMI_SERVICE_TDLS, ar->wmi.svc_map) ||
+	    test_bit(WMI_SERVICE_TDLS_EXPLICIT_MODE_ONLY, ar->wmi.svc_map)) {
 		ar->hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
+		ieee80211_hw_set(ar->hw, TDLS_WIDER_BW);
+	}
 
 	ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
 	ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;

drivers/net/wireless/ath/ath10k/sdio.c

@@ -683,7 +683,7 @@ static int ath10k_sdio_mbox_rxmsg_pending_handler(struct ath10k *ar,
 	lookaheads[0] = msg_lookahead;
 
 	timeout = jiffies + SDIO_MBOX_PROCESSING_TIMEOUT_HZ;
-	while (time_before(jiffies, timeout)) {
+	do {
 		/* Try to allocate as many HTC RX packets indicated by
 		 * n_lookaheads.
 		 */
@@ -719,7 +719,7 @@ static int ath10k_sdio_mbox_rxmsg_pending_handler(struct ath10k *ar,
 		 * performance in high throughput situations.
 		 */
 		*done = false;
-	}
+	} while (time_before(jiffies, timeout));
 
 	if (ret && (ret != -ECANCELED))
 		ath10k_warn(ar, "failed to get pending recv messages: %d\n",
@@ -1336,11 +1336,11 @@ static void ath10k_sdio_irq_handler(struct sdio_func *func)
 	sdio_release_host(ar_sdio->func);
 
 	timeout = jiffies + ATH10K_SDIO_HIF_COMMUNICATION_TIMEOUT_HZ;
-	while (time_before(jiffies, timeout) && !done) {
+	do {
 		ret = ath10k_sdio_mbox_proc_pending_irqs(ar, &done);
 		if (ret)
 			break;
-	}
+	} while (time_before(jiffies, timeout) && !done);
 
 	sdio_claim_host(ar_sdio->func);