---

yaml --- r: 314095 b: refs/heads/master c: 0afd04e h: refs/heads/master i: 314093: cd8945a 314091: 879323d 314087: 5c6cd0e 314079: 627655e v: v3
git-mirror · Jun 5, 2012 · 3748213 · 3748213
1 parent 1b4ac73
commit 3748213
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Showing 9 changed files with 67 additions and 43 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 102165c6d2b8d73a25a1567fcac496addc15aba7
+refs/heads/master: 0afd04e5e5d8db505fbb0f98c6306242c0006503
diff --git a/trunk/drivers/net/wireless/ti/wl12xx/main.c b/trunk/drivers/net/wireless/ti/wl12xx/main.c
@@ -1156,7 +1156,8 @@ static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
 
 static void wl12xx_tx_delayed_compl(struct wl1271 *wl)
 {
-	if (wl->fw_status->tx_results_counter == (wl->tx_results_count & 0xff))
+	if (wl->fw_status_1->tx_results_counter ==
+	    (wl->tx_results_count & 0xff))
 		return;
 
 	wl1271_tx_complete(wl);
@@ -1414,6 +1415,7 @@ static int __devinit wl12xx_probe(struct platform_device *pdev)
 	wl->ptable = wl12xx_ptable;
 	wl->rtable = wl12xx_rtable;
 	wl->num_tx_desc = 16;
+	wl->num_rx_desc = 8;
 	wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT;
 	wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE;
 	wl->band_rate_to_idx = wl12xx_band_rate_to_idx;

diff --git a/trunk/drivers/net/wireless/ti/wl18xx/main.c b/trunk/drivers/net/wireless/ti/wl18xx/main.c
@@ -1041,6 +1041,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev)
 	wl->ptable = wl18xx_ptable;
 	wl->rtable = wl18xx_rtable;
 	wl->num_tx_desc = 32;
+	wl->num_rx_desc = 16;
 	wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE;
 	wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE;
 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;

diff --git a/trunk/drivers/net/wireless/ti/wl18xx/tx.c b/trunk/drivers/net/wireless/ti/wl18xx/tx.c
@@ -94,7 +94,7 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte)
 void wl18xx_tx_immediate_complete(struct wl1271 *wl)
 {
 	struct wl18xx_fw_status_priv *status_priv =
-		(struct wl18xx_fw_status_priv *)wl->fw_status->priv;
+		(struct wl18xx_fw_status_priv *)wl->fw_status_2->priv;
 	struct wl18xx_priv *priv = wl->priv;
 	u8 i;
 

diff --git a/trunk/drivers/net/wireless/ti/wlcore/main.c b/trunk/drivers/net/wireless/ti/wlcore/main.c
@@ -347,7 +347,7 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl,
 
 static void wl12xx_irq_update_links_status(struct wl1271 *wl,
 					   struct wl12xx_vif *wlvif,
-					   struct wl_fw_status *status)
+					   struct wl_fw_status_2 *status)
 {
 	struct wl1271_link *lnk;
 	u32 cur_fw_ps_map;
@@ -379,7 +379,8 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl,
 }
 
 static void wl12xx_fw_status(struct wl1271 *wl,
-			     struct wl_fw_status *status)
+			     struct wl_fw_status_1 *status_1,
+			     struct wl_fw_status_2 *status_2)
 {
 	struct wl12xx_vif *wlvif;
 	struct timespec ts;
@@ -388,37 +389,38 @@ static void wl12xx_fw_status(struct wl1271 *wl,
 	int i;
 	size_t status_len;
 
-	status_len = sizeof(*status) + wl->fw_status_priv_len;
+	status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) +
+		sizeof(*status_2) + wl->fw_status_priv_len;
 
-	wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status,
+	wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status_1,
 			     status_len, false);
 
 	wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, "
 		     "drv_rx_counter = %d, tx_results_counter = %d)",
-		     status->intr,
-		     status->fw_rx_counter,
-		     status->drv_rx_counter,
-		     status->tx_results_counter);
+		     status_1->intr,
+		     status_1->fw_rx_counter,
+		     status_1->drv_rx_counter,
+		     status_1->tx_results_counter);
 
 	for (i = 0; i < NUM_TX_QUEUES; i++) {
 		/* prevent wrap-around in freed-packets counter */
 		wl->tx_allocated_pkts[i] -=
-				(status->counters.tx_released_pkts[i] -
+				(status_2->counters.tx_released_pkts[i] -
 				wl->tx_pkts_freed[i]) & 0xff;
 
-		wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i];
+		wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i];
 	}
 
 	/* prevent wrap-around in total blocks counter */
 	if (likely(wl->tx_blocks_freed <=
-		   le32_to_cpu(status->total_released_blks)))
-		freed_blocks = le32_to_cpu(status->total_released_blks) -
+		   le32_to_cpu(status_2->total_released_blks)))
+		freed_blocks = le32_to_cpu(status_2->total_released_blks) -
 			       wl->tx_blocks_freed;
 	else
 		freed_blocks = 0x100000000LL - wl->tx_blocks_freed +
-			       le32_to_cpu(status->total_released_blks);
+			       le32_to_cpu(status_2->total_released_blks);
 
-	wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks);
+	wl->tx_blocks_freed = le32_to_cpu(status_2->total_released_blks);
 
 	wl->tx_allocated_blocks -= freed_blocks;
 
@@ -434,7 +436,7 @@ static void wl12xx_fw_status(struct wl1271 *wl,
 			cancel_delayed_work(&wl->tx_watchdog_work);
 	}
 
-	avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks;
+	avail = le32_to_cpu(status_2->tx_total) - wl->tx_allocated_blocks;
 
 	/*
 	 * The FW might change the total number of TX memblocks before
@@ -453,13 +455,13 @@ static void wl12xx_fw_status(struct wl1271 *wl,
 
 	/* for AP update num of allocated TX blocks per link and ps status */
 	wl12xx_for_each_wlvif_ap(wl, wlvif) {
-		wl12xx_irq_update_links_status(wl, wlvif, status);
+		wl12xx_irq_update_links_status(wl, wlvif, status_2);
 	}
 
 	/* update the host-chipset time offset */
 	getnstimeofday(&ts);
 	wl->time_offset = (timespec_to_ns(&ts) >> 10) -
-		(s64)le32_to_cpu(status->fw_localtime);
+		(s64)le32_to_cpu(status_2->fw_localtime);
 }
 
 static void wl1271_flush_deferred_work(struct wl1271 *wl)
@@ -528,11 +530,11 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
 		clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
 		smp_mb__after_clear_bit();
 
-		wl12xx_fw_status(wl, wl->fw_status);
+		wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2);
 
 		wlcore_hw_tx_immediate_compl(wl);
 
-		intr = le32_to_cpu(wl->fw_status->intr);
+		intr = le32_to_cpu(wl->fw_status_1->intr);
 		intr &= WL1271_INTR_MASK;
 		if (!intr) {
 			done = true;
@@ -551,7 +553,7 @@ static irqreturn_t wl1271_irq(int irq, void *cookie)
 		if (likely(intr & WL1271_ACX_INTR_DATA)) {
 			wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA");
 
-			wl12xx_rx(wl, wl->fw_status);
+			wl12xx_rx(wl, wl->fw_status_1);
 
 			/* Check if any tx blocks were freed */
 			spin_lock_irqsave(&wl->wl_lock, flags);
@@ -786,8 +788,8 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
 		wl12xx_cmd_stop_fwlog(wl);
 
 	/* Read the first memory block address */
-	wl12xx_fw_status(wl, wl->fw_status);
-	first_addr = le32_to_cpu(wl->fw_status->log_start_addr);
+	wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2);
+	first_addr = le32_to_cpu(wl->fw_status_2->log_start_addr);
 	if (!first_addr)
 		goto out;
 
@@ -901,13 +903,18 @@ static void wl1271_fw_wakeup(struct wl1271 *wl)
 
 static int wl1271_setup(struct wl1271 *wl)
 {
-	wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL);
-	if (!wl->fw_status)
+	wl->fw_status_1 = kmalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) +
+				  sizeof(*wl->fw_status_2), GFP_KERNEL);
+	if (!wl->fw_status_1)
 		return -ENOMEM;
 
+	wl->fw_status_2 = (struct wl_fw_status_2 *)
+				(((u8 *) wl->fw_status_1) +
+				WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc));
+
 	wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL);
 	if (!wl->tx_res_if) {
-		kfree(wl->fw_status);
+		kfree(wl->fw_status_1);
 		return -ENOMEM;
 	}
 
@@ -1746,8 +1753,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 
 	wl1271_debugfs_reset(wl);
 
-	kfree(wl->fw_status);
-	wl->fw_status = NULL;
+	kfree(wl->fw_status_1);
+	wl->fw_status_1 = NULL;
+	wl->fw_status_2 = NULL;
 	kfree(wl->tx_res_if);
 	wl->tx_res_if = NULL;
 	kfree(wl->target_mem_map);
@@ -5181,7 +5189,7 @@ int wlcore_free_hw(struct wl1271 *wl)
 	kfree(wl->nvs);
 	wl->nvs = NULL;
 
-	kfree(wl->fw_status);
+	kfree(wl->fw_status_1);
 	kfree(wl->tx_res_if);
 	destroy_workqueue(wl->freezable_wq);
 

diff --git a/trunk/drivers/net/wireless/ti/wlcore/rx.c b/trunk/drivers/net/wireless/ti/wlcore/rx.c
@@ -200,12 +200,12 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
 	return is_data;
 }
 
-void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status)
+void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status_1 *status)
 {
 	unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
 	u32 buf_size;
-	u32 fw_rx_counter  = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
-	u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
+	u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc;
+	u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc;
 	u32 rx_counter;
 	u32 pkt_len, align_pkt_len;
 	u32 pkt_offset, des;
@@ -224,7 +224,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status)
 				break;
 			buf_size += align_pkt_len;
 			rx_counter++;
-			rx_counter &= NUM_RX_PKT_DESC_MOD_MASK;
+			rx_counter %= wl->num_rx_desc;
 		}
 
 		if (buf_size == 0) {
@@ -264,7 +264,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status)
 
 			wl->rx_counter++;
 			drv_rx_counter++;
-			drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK;
+			drv_rx_counter %= wl->num_rx_desc;
 			pkt_offset += wlcore_rx_get_align_buf_size(wl, pkt_len);
 		}
 	}

diff --git a/trunk/drivers/net/wireless/ti/wlcore/rx.h b/trunk/drivers/net/wireless/ti/wlcore/rx.h
@@ -38,8 +38,6 @@
 #define RX_DESC_PACKETID_SHIFT 11
 #define RX_MAX_PACKET_ID 3
 
-#define NUM_RX_PKT_DESC_MOD_MASK   7
-
 #define RX_DESC_VALID_FCS         0x0001
 #define RX_DESC_MATCH_RXADDR1     0x0002
 #define RX_DESC_MCAST             0x0004
@@ -139,7 +137,7 @@ struct wl1271_rx_descriptor {
 	u8  reserved;
 } __packed;
 
-void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status);
+void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status_1 *status);
 u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band);
 int wl1271_rx_filter_enable(struct wl1271 *wl,
 			    int index, bool enable,

diff --git a/trunk/drivers/net/wireless/ti/wlcore/wlcore.h b/trunk/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -269,7 +269,8 @@ struct wl1271 {
 	u32 buffer_cmd;
 	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
 
-	struct wl_fw_status *fw_status;
+	struct wl_fw_status_1 *fw_status_1;
+	struct wl_fw_status_2 *fw_status_2;
 	struct wl1271_tx_hw_res_if *tx_res_if;
 
 	/* Current chipset configuration */
@@ -337,6 +338,8 @@ struct wl1271 {
 
 	/* number of TX descriptors the HW supports. */
 	u32 num_tx_desc;
+	/* number of RX descriptors the HW supports. */
+	u32 num_rx_desc;
 
 	/* spare Tx blocks for normal/GEM operating modes */
 	u32 normal_tx_spare;

diff --git a/trunk/drivers/net/wireless/ti/wlcore/wlcore_i.h b/trunk/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -141,7 +141,6 @@ struct wl1271_stats {
 };
 
 #define NUM_TX_QUEUES              4
-#define NUM_RX_PKT_DESC            8
 
 #define AP_MAX_STATIONS            8
 
@@ -159,13 +158,26 @@ struct wl_fw_packet_counters {
 } __packed;
 
 /* FW status registers */
-struct wl_fw_status {
+struct wl_fw_status_1 {
 	__le32 intr;
 	u8  fw_rx_counter;
 	u8  drv_rx_counter;
 	u8  reserved;
 	u8  tx_results_counter;
-	__le32 rx_pkt_descs[NUM_RX_PKT_DESC];
+	__le32 rx_pkt_descs[0];
+} __packed;
+
+/*
+ * Each HW arch has a different number of Rx descriptors.
+ * The length of the status depends on it, since it holds an array
+ * of descriptors.
+ */
+#define WLCORE_FW_STATUS_1_LEN(num_rx_desc) \
+		(sizeof(struct wl_fw_status_1) + \
+		(sizeof(((struct wl_fw_status_1 *)0)->rx_pkt_descs[0])) * \
+		num_rx_desc)
+
+struct wl_fw_status_2 {
 	__le32 fw_localtime;
 
 	/*