rsi: Adding support for bgscan, 5GHz support and clean up of code

diff -uprN b/drivers/net/wireless/rsi/rsi_91x_core.c a/drivers/net/wireless/rsi/rsi_91x_core.c
@@ -77,6 +77,50 @@ static bool rsi_recalculate_weights(stru
 }
 
 /**
+ * rsi_get_num_pkts_dequeue() - This function determines the number of
+ *		                packets to be dequeued based on the number
+ *			        of bytes calculated using txop.
+ *
+ * @common: Pointer to the driver private structure.
+ * @q_num: the queue from which pkts have to be dequeued
+ *
+ * Return: pkt_num: Number of pkts to be dequeued.
+ */
+static u32 rsi_get_num_pkts_dequeue(struct rsi_common *common, u8 q_num)
+{
+	struct rsi_hw *adapter = common->priv;
+	struct sk_buff *skb;
+	u32 pkt_cnt = 0;
+	s16 txop = common->tx_qinfo[q_num].txop * 32;
+	struct ieee80211_rate rate;
+	rate.bitrate = RSI_RATE_MCS0 * 5 * 10;
+
+	if (q_num == VI_Q)
+		txop = ((txop << 5) / 80);
+
+	if (skb_queue_len(&common->tx_queue[q_num]))
+		skb = skb_peek(&common->tx_queue[q_num]);
+	else
+		return 0;
+
+	do {
+		txop -= ieee80211_generic_frame_duration(adapter->hw,
+							adapter->vifs[0],
+							common->band,
+							skb->len, &rate);
+		pkt_cnt += 1;
+		/*checking if pkts are still there*/
+		if (skb_queue_len(&common->tx_queue[q_num]) - pkt_cnt)
+			skb = skb->next;
+		else
+			break;
+
+	} while (txop > 0);
+
+	return pkt_cnt;
+}
+
+/**
  * rsi_core_determine_hal_queue() - This function determines the queue from
  *				    which packet has to be dequeued.
  * @common: Pointer to the driver private structure.

@@ -88,7 +132,7 @@ static u8 rsi_core_determine_hal_queue(s
 	bool recontend_queue = false;
 	u32 q_len = 0;
 	u8 q_num = INVALID_QUEUE;
-	u8 ii = 0, min = 0;
+	u8 ii = 0;
 
 	if (skb_queue_len(&common->tx_queue[MGMT_SOFT_Q])) {
 		if (!common->mgmt_q_block)

@@ -106,14 +150,15 @@ get_queue_num:
 
 	q_num = rsi_determine_min_weight_queue(common);
 
-	q_len = skb_queue_len(&common->tx_queue[ii]);
 	ii = q_num;
 
 	/* Selecting the queue with least back off */
 	for (; ii < NUM_EDCA_QUEUES; ii++) {
+		q_len = skb_queue_len(&common->tx_queue[ii]);
 		if (((common->tx_qinfo[ii].pkt_contended) &&
-		     (common->tx_qinfo[ii].weight < min)) && q_len) {
-			min = common->tx_qinfo[ii].weight;
+		     (common->tx_qinfo[ii].weight < common->min_weight)) &&
+		      q_len) {
+			common->min_weight = common->tx_qinfo[ii].weight;
 			q_num = ii;
 		}
 	}

@@ -140,25 +185,11 @@ get_queue_num:
 	common->selected_qnum = q_num;
 	q_len = skb_queue_len(&common->tx_queue[q_num]);
 
-	switch (common->selected_qnum) {
-	case VO_Q:
-		if (q_len > MAX_CONTINUOUS_VO_PKTS)
-			common->pkt_cnt = (MAX_CONTINUOUS_VO_PKTS - 1);
-		else
-			common->pkt_cnt = --q_len;
-		break;
-
-	case VI_Q:
-		if (q_len > MAX_CONTINUOUS_VI_PKTS)
-			common->pkt_cnt = (MAX_CONTINUOUS_VI_PKTS - 1);
-		else
-			common->pkt_cnt = --q_len;
-
-		break;
-
-	default:
+	if (q_num == VO_Q || q_num == VI_Q) {
+		common->pkt_cnt = rsi_get_num_pkts_dequeue(common, q_num);
+		common->pkt_cnt -= 1;
+	} else {
 		common->pkt_cnt = 0;
-		break;
 	}
 
 	return q_num;

@@ -245,13 +276,16 @@ void rsi_core_qos_processor(struct rsi_c
 		if ((q_num < MGMT_SOFT_Q) &&
 		    ((skb_queue_len(&common->tx_queue[q_num])) <=
 		      MIN_DATA_QUEUE_WATER_MARK)) {
-			if (ieee80211_queue_stopped(adapter->hw, WME_AC(q_num)))
+			if (ieee80211_queue_stopped(adapter->hw,
+						    WME_AC(q_num))) {
 				ieee80211_wake_queue(adapter->hw,
 						     WME_AC(q_num));
+			}
 		}
 
 		skb = rsi_core_dequeue_pkt(common, q_num);
 		if (skb == NULL) {
+			rsi_dbg(ERR_ZONE, "skb null\n");
 			mutex_unlock(&common->tx_rxlock);
 			break;
 		}

@@ -325,6 +359,7 @@ void rsi_core_xmit(struct rsi_common *co
 	if ((q_num != MGMT_SOFT_Q) &&
 	    ((skb_queue_len(&common->tx_queue[q_num]) + 1) >=
 	     DATA_QUEUE_WATER_MARK)) {
+		rsi_dbg(ERR_ZONE, "%s: sw queue full\n", __func__);
 		if (!ieee80211_queue_stopped(adapter->hw, WME_AC(q_num)))
 			ieee80211_stop_queue(adapter->hw, WME_AC(q_num));
 		rsi_set_event(&common->tx_thread.event);

diff -uprN b/drivers/net/wireless/rsi/rsi_91x_debugfs.c a/drivers/net/wireless/rsi/rsi_91x_debugfs.c
@@ -145,7 +145,7 @@ static int rsi_stats_read(struct seq_fil
 	seq_printf(seq, "total_mgmt_pkt_send : %d\n",
 		   common->tx_stats.total_tx_pkt_send[MGMT_SOFT_Q]);
 	seq_printf(seq, "total_mgmt_pkt_queued : %d\n",
-		   skb_queue_len(&common->tx_queue[4]));
+		   skb_queue_len(&common->tx_queue[MGMT_SOFT_Q]));
 	seq_printf(seq, "total_mgmt_pkt_freed  : %d\n",
 		   common->tx_stats.total_tx_pkt_freed[MGMT_SOFT_Q]);
 

@@ -153,25 +153,25 @@ static int rsi_stats_read(struct seq_fil
 	seq_printf(seq, "total_data_vo_pkt_send: %8d\t",
 		   common->tx_stats.total_tx_pkt_send[VO_Q]);
 	seq_printf(seq, "total_data_vo_pkt_queued:  %8d\t",
-		   skb_queue_len(&common->tx_queue[0]));
+		   skb_queue_len(&common->tx_queue[VO_Q]));
 	seq_printf(seq, "total_vo_pkt_freed: %8d\n",
 		   common->tx_stats.total_tx_pkt_freed[VO_Q]);
 	seq_printf(seq, "total_data_vi_pkt_send: %8d\t",
 		   common->tx_stats.total_tx_pkt_send[VI_Q]);
 	seq_printf(seq, "total_data_vi_pkt_queued:  %8d\t",
-		   skb_queue_len(&common->tx_queue[1]));
+		   skb_queue_len(&common->tx_queue[VI_Q]));
 	seq_printf(seq, "total_vi_pkt_freed: %8d\n",
 		   common->tx_stats.total_tx_pkt_freed[VI_Q]);
 	seq_printf(seq,  "total_data_be_pkt_send: %8d\t",
 		   common->tx_stats.total_tx_pkt_send[BE_Q]);
 	seq_printf(seq, "total_data_be_pkt_queued:  %8d\t",
-		   skb_queue_len(&common->tx_queue[2]));
+		   skb_queue_len(&common->tx_queue[BE_Q]));
 	seq_printf(seq, "total_be_pkt_freed: %8d\n",
 		   common->tx_stats.total_tx_pkt_freed[BE_Q]);
 	seq_printf(seq, "total_data_bk_pkt_send: %8d\t",
 		   common->tx_stats.total_tx_pkt_send[BK_Q]);
 	seq_printf(seq, "total_data_bk_pkt_queued:  %8d\t",
-		   skb_queue_len(&common->tx_queue[3]));
+		   skb_queue_len(&common->tx_queue[BK_Q]));
 	seq_printf(seq, "total_bk_pkt_freed: %8d\n",
 		   common->tx_stats.total_tx_pkt_freed[BK_Q]);
 

188 lines not on this page · raw message

diff -uprN b/drivers/net/wireless/rsi/rsi_91x_main.c a/drivers/net/wireless/rsi/rsi_91x_main.c
@@ -21,7 +21,7 @@
 #include "rsi_mgmt.h"
 #include "rsi_common.h"
 
-u32 rsi_zone_enabled = /* INFO_ZONE |
+u32 rsi_zone_enabled =  /*INFO_ZONE |
 			INIT_ZONE |
 			MGMT_TX_ZONE |
 			MGMT_RX_ZONE |

229 lines not on this page · raw message

diff -uprN b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
@@ -404,9 +404,9 @@ void rsi_interrupt_handler(struct rsi_hw
 				dev->rx_info.mgmt_buffer_full = false;
 				rsi_sdio_ack_intr(common->priv,
 						  (1 << PKT_BUFF_AVAILABLE));
-				rsi_set_event((&common->tx_thread.event));
+				rsi_set_event(&common->tx_thread.event);
 				rsi_dbg(ISR_ZONE,
-					"%s: ==> BUFFER_AVILABLE <==\n",
+					"%s: ==> BUFFER_AVAILABLE <==\n",
 					__func__);
 				dev->rx_info.buf_avilable_counter++;
 				break;

diff -uprN b/drivers/net/wireless/rsi/rsi_main.h a/drivers/net/wireless/rsi/rsi_main.h
@@ -19,6 +19,9 @@
 
 #include <linux/string.h>
 #include <linux/skbuff.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
 #include <net/mac80211.h>
 
 #define ERR_ZONE                        BIT(0)  /* For Error Msgs             */

@@ -115,6 +118,7 @@ struct wmm_qinfo {
 	s32 weight;
 	s32 wme_params;
 	s32 pkt_contended;
+	s32 txop;
 };
 
 struct transmit_q_stats {

@@ -141,6 +145,12 @@ struct rsi_thread {
 	atomic_t thread_done;
 };
 
+struct cqm_info {
+	char last_cqm_event;
+	int rssi_thold;
+	unsigned int rssi_hyst;
+};
+
 struct rsi_hw;
 
 struct rsi_common {

@@ -192,6 +202,10 @@ struct rsi_common {
 	u8 selected_qnum;
 	u32 pkt_cnt;
 	u8 min_weight;
+
+	/* bgscan related */
+	struct cqm_info cqm_info;
+	bool block_state;
 };
 
 struct rsi_hw {

diff -uprN b/drivers/net/wireless/rsi/rsi_mgmt.h a/drivers/net/wireless/rsi/rsi_mgmt.h
@@ -271,6 +271,7 @@ int rsi_send_aggregation_params_frame(st
 int rsi_hal_load_key(struct rsi_common *common, u8 *data, u16 key_len,
 		     u8 key_type, u8 key_id, u32 cipher);
 int rsi_set_channel(struct rsi_common *common, u16 chno);
+int rsi_send_block_unblock_frame(struct rsi_common *common, bool event);
 void rsi_inform_bss_status(struct rsi_common *common, u8 status,
 			   const u8 *bssid, u8 qos_enable, u16 aid);
 void rsi_indicate_pkt_to_os(struct rsi_common *common, struct sk_buff *skb);

@@ -282,4 +283,5 @@ void rsi_core_qos_processor(struct rsi_c
 void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb);
 int rsi_send_mgmt_pkt(struct rsi_common *common, struct sk_buff *skb);
 int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb);
+int rsi_band_check(struct rsi_common *common);
 #endif

diff -uprN b/drivers/net/wireless/rsi/rsi_sdio.h a/drivers/net/wireless/rsi/rsi_sdio.h
@@ -30,7 +30,7 @@
 
 enum sdio_interrupt_type {
 	BUFFER_FULL         = 0x0,
-	BUFFER_AVAILABLE    = 0x1,
+	BUFFER_AVAILABLE    = 0x2,
 	FIRMWARE_ASSERT_IND = 0x3,
 	MSDU_PACKET_PENDING = 0x4,
 	UNKNOWN_INT         = 0XE

@@ -42,7 +42,7 @@ enum sdio_interrupt_type {
 #define PKT_MGMT_BUFF_FULL                      2
 #define MSDU_PKT_PENDING                        3
 /* Interrupt Bit Related Macros */
-#define PKT_BUFF_AVAILABLE                      0
+#define PKT_BUFF_AVAILABLE                      1
 #define FW_ASSERT_IND                           2
 
 #define RSI_DEVICE_BUFFER_STATUS_REGISTER       0xf3