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ath9k: Add more information to debugfs xmit file.

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Should help debug strange tx lockup type issues.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear
2011-01-09 23:11:45 -08:00
committed by John W. Linville
parent 233536e126
commit 2dac4fb97a
4 changed files with 41 additions and 1 deletions
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27
drivers/net/wireless/ath/ath9k/debug.c
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@@ -599,13 +599,25 @@ do { \
(unsigned int)(sc->tx.txq[WME_AC_VO].elem)); \
} while(0)
#define PRQLE(str, elem) \
do { \
len += snprintf(buf + len, size - len, \
"%s%13i%11i%10i%10i\n", str, \
list_empty(&sc->tx.txq[WME_AC_BE].elem), \
list_empty(&sc->tx.txq[WME_AC_BK].elem), \
list_empty(&sc->tx.txq[WME_AC_VI].elem), \
list_empty(&sc->tx.txq[WME_AC_VO].elem)); \
} while (0)
static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
char *buf;
unsigned int len = 0, size = 2048;
unsigned int len = 0, size = 4000;
int i;
ssize_t retval = 0;
char tmp[32];
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
@@ -628,13 +640,26 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
PR("DELIM Underrun: ", delim_underrun);
PR("TX-Pkts-All: ", tx_pkts_all);
PR("TX-Bytes-All: ", tx_bytes_all);
PR("hw-put-tx-buf: ", puttxbuf);
PR("hw-tx-start: ", txstart);
PR("hw-tx-proc-desc: ", txprocdesc);
PRX("axq-qnum: ", axq_qnum);
PRX("axq-depth: ", axq_depth);
PRX("axq-ampdu_depth: ", axq_ampdu_depth);
PRX("axq-stopped ", stopped);
PRX("tx-in-progress ", axq_tx_inprogress);
PRX("pending-frames ", pending_frames);
PRX("txq_headidx: ", txq_headidx);
PRX("txq_tailidx: ", txq_headidx);
PRQLE("axq_q empty: ", axq_q);
PRQLE("axq_acq empty: ", axq_acq);
PRQLE("txq_fifo_pending: ", txq_fifo_pending);
for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
PRQLE(tmp, txq_fifo[i]);
}
if (len > size)
len = size;