diff options
| author | Ben Greear <greearb@candelatech.com> | 2012-04-03 09:16:55 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-11 16:23:54 -0400 |
| commit | a5a0bca1d81b18699885bce532d2b3e0ab3b30c0 (patch) | |
| tree | f76303f3853e78790788006799c8cd7b63face38 /drivers/net | |
| parent | 56dc389f76e6f8276cdc4f5e59d531b23e0f449b (diff) | |
ath9k: Add tx-failed counter.
This counts any failure during getting packets into
the DMA buffers, including out-of-memory, etc.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 1 |
3 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 35d1c8e91d1..9078279fab0 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -529,6 +529,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, PR("hw-put-tx-buf: ", puttxbuf); PR("hw-tx-start: ", txstart); PR("hw-tx-proc-desc: ", txprocdesc); + PR("TX-Failed: ", txfailed); len += snprintf(buf + len, size - len, "%s%11p%11p%10p%10p\n", "txq-memory-address:", sc->tx.txq_map[WME_AC_BE], diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index 2d47f747512..fe2b487ed6c 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -113,6 +113,7 @@ struct ath_interrupt_stats { * @puttxbuf: Number of times hardware was given txbuf to write. * @txstart: Number of times hardware was told to start tx. * @txprocdesc: Number of times tx descriptor was processed + * @txfailed: Out-of-memory or other errors in xmit path. */ struct ath_tx_stats { u32 tx_pkts_all; @@ -135,6 +136,7 @@ struct ath_tx_stats { u32 puttxbuf; u32 txstart; u32 txprocdesc; + u32 txfailed; }; /** diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index eeea81b16d9..5de648c243b 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1152,6 +1152,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (ath_tx_start(hw, skb, &txctl) != 0) { ath_dbg(common, XMIT, "TX failed\n"); + TX_STAT_INC(txctl.txq->axq_qnum, txfailed); goto exit; } |