diff options
| author | Ben Greear <greearb@candelatech.com> | 2011-01-09 23:11:45 -0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-01-21 15:32:22 -0500 |
| commit | 2dac4fb97a41af1e6b7ab9f59c837d20838e92da (patch) | |
| tree | 3c127ad35b4a269b0c3cce375298c315c7850413 /drivers/net/wireless/ath/ath9k/debug.c | |
| parent | 233536e126056f65a8aac7ff38788d19dbb53299 (diff) | |
| download | lwn-2dac4fb97a41af1e6b7ab9f59c837d20838e92da.tar.gz lwn-2dac4fb97a41af1e6b7ab9f59c837d20838e92da.zip | |
ath9k: Add more information to debugfs xmit file.
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 5075faa618d3..577bc5a9835b 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -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; |