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authorArik Nemtsov <arik@wizery.com>2012-11-27 08:44:58 +0200
committerLuciano Coelho <coelho@ti.com>2012-12-05 09:43:33 +0200
commit8591d42452f16b1888419da4456142864b08ef9e (patch)
tree4c63565b5951f716f036b1e47d98fdb388aa6633 /drivers/net/wireless/ti
parent1e0708a9574aee0136611edc5d3a7a9b2775a113 (diff)
wlcore: count packets held per AC in each vif
This accounting will help find a vif that has data in a specific AC. Otherwise we have to traverse all the links, which can be lengthy for the AP case. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti')
-rw-r--r--drivers/net/wireless/ti/wlcore/debugfs.c4
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c2
-rw-r--r--drivers/net/wireless/ti/wlcore/ps.c8
-rw-r--r--drivers/net/wireless/ti/wlcore/tx.c16
-rw-r--r--drivers/net/wireless/ti/wlcore/wlcore_i.h3
5 files changed, 29 insertions, 4 deletions
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c
index e61fc2b0104..f115fba41ad 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.c
+++ b/drivers/net/wireless/ti/wlcore/debugfs.c
@@ -577,6 +577,10 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
}
VIF_STATE_PRINT_INT(last_tx_hlid);
+ VIF_STATE_PRINT_INT(tx_queue_count[0]);
+ VIF_STATE_PRINT_INT(tx_queue_count[1]);
+ VIF_STATE_PRINT_INT(tx_queue_count[2]);
+ VIF_STATE_PRINT_INT(tx_queue_count[3]);
VIF_STATE_PRINT_LHEX(links_map[0]);
VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
VIF_STATE_PRINT_INT(band);
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 7b1fc9148da..56ed3793302 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -1206,6 +1206,8 @@ static void wl1271_op_tx(struct ieee80211_hw *hw,
skb_queue_tail(&wl->links[hlid].tx_queue[q], skb);
wl->tx_queue_count[q]++;
+ if (wlvif)
+ wlvif->tx_queue_count[q]++;
/*
* The workqueue is slow to process the tx_queue and we need stop
diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c
index ffcd84336f0..9b7b6e2e4fb 100644
--- a/drivers/net/wireless/ti/wlcore/ps.c
+++ b/drivers/net/wireless/ti/wlcore/ps.c
@@ -239,11 +239,12 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid)
struct ieee80211_tx_info *info;
unsigned long flags;
int filtered[NUM_TX_QUEUES];
+ struct wl1271_link *lnk = &wl->links[hlid];
/* filter all frames currently in the low level queues for this hlid */
for (i = 0; i < NUM_TX_QUEUES; i++) {
filtered[i] = 0;
- while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) {
+ while ((skb = skb_dequeue(&lnk->tx_queue[i]))) {
filtered[i]++;
if (WARN_ON(wl12xx_is_dummy_packet(wl, skb)))
@@ -257,8 +258,11 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid)
}
spin_lock_irqsave(&wl->wl_lock, flags);
- for (i = 0; i < NUM_TX_QUEUES; i++)
+ for (i = 0; i < NUM_TX_QUEUES; i++) {
wl->tx_queue_count[i] -= filtered[i];
+ if (lnk->wlvif)
+ lnk->wlvif->tx_queue_count[i] -= filtered[i];
+ }
spin_unlock_irqrestore(&wl->wl_lock, flags);
wl1271_handle_tx_low_watermark(wl);
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index c711c91a0cc..1ac8681732f 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -514,6 +514,10 @@ static struct sk_buff *wl12xx_lnk_skb_dequeue(struct wl1271 *wl,
spin_lock_irqsave(&wl->wl_lock, flags);
WARN_ON_ONCE(wl->tx_queue_count[q] <= 0);
wl->tx_queue_count[q]--;
+ if (lnk->wlvif) {
+ WARN_ON_ONCE(lnk->wlvif->tx_queue_count[q] <= 0);
+ lnk->wlvif->tx_queue_count[q]--;
+ }
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
@@ -628,6 +632,8 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct wl12xx_vif *wlvif,
spin_lock_irqsave(&wl->wl_lock, flags);
wl->tx_queue_count[q]++;
+ if (wlvif)
+ wlvif->tx_queue_count[q]++;
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
@@ -977,10 +983,11 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid)
unsigned long flags;
struct ieee80211_tx_info *info;
int total[NUM_TX_QUEUES];
+ struct wl1271_link *lnk = &wl->links[hlid];
for (i = 0; i < NUM_TX_QUEUES; i++) {
total[i] = 0;
- while ((skb = skb_dequeue(&wl->links[hlid].tx_queue[i]))) {
+ while ((skb = skb_dequeue(&lnk->tx_queue[i]))) {
wl1271_debug(DEBUG_TX, "link freeing skb 0x%p", skb);
if (!wl12xx_is_dummy_packet(wl, skb)) {
@@ -995,8 +1002,11 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid)
}
spin_lock_irqsave(&wl->wl_lock, flags);
- for (i = 0; i < NUM_TX_QUEUES; i++)
+ for (i = 0; i < NUM_TX_QUEUES; i++) {
wl->tx_queue_count[i] -= total[i];
+ if (lnk->wlvif)
+ lnk->wlvif->tx_queue_count[i] -= total[i];
+ }
spin_unlock_irqrestore(&wl->wl_lock, flags);
wl1271_handle_tx_low_watermark(wl);
@@ -1020,6 +1030,8 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif)
}
wlvif->last_tx_hlid = 0;
+ for (i = 0; i < NUM_TX_QUEUES; i++)
+ wlvif->tx_queue_count[i] = 0;
}
/* caller must hold wl->mutex and TX must be stopped */
void wl12xx_tx_reset(struct wl1271 *wl)
diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h
index 9ffbfc19af5..670d12f3cd5 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore_i.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h
@@ -359,6 +359,9 @@ struct wl12xx_vif {
/* the hlid of the last transmitted skb */
int last_tx_hlid;
+ /* counters of packets per AC, across all links in the vif */
+ int tx_queue_count[NUM_TX_QUEUES];
+
unsigned long links_map[BITS_TO_LONGS(WL12XX_MAX_LINKS)];
u8 ssid[IEEE80211_MAX_SSID_LEN + 1];