diff options
| author | Ben Greear | 2011-01-09 23:11:50 -0800 |
|---|---|---|
| committer | John W. Linville | 2011-01-21 15:32:22 -0500 |
| commit | 71e025a5a630681ad8b37d4426a994d199976ec9 (patch) | |
| tree | 0a7533a92162e89fff2cc8bffda64d277acc5ea4 /drivers/net/wireless/ath/ath9k/debug.c | |
| parent | 7f010c93d73847ffc6b74b572fef9a63e305d65e (diff) | |
ath9k: More xmit queue debugfs information.
To try to figure out why xmit logic hangs.
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 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 650f00f59d79..9e009ccd0069 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -679,6 +679,32 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, PRQLE(tmp, txq_fifo[i]); } + /* Print out more detailed queue-info */ + for (i = 0; i <= WME_AC_BK; i++) { + struct ath_txq *txq = &(sc->tx.txq[i]); + struct ath_atx_ac *ac; + struct ath_atx_tid *tid; + if (len >= size) + goto done; + spin_lock_bh(&txq->axq_lock); + if (!list_empty(&txq->axq_acq)) { + ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, + list); + len += snprintf(buf + len, size - len, + "txq[%i] first-ac: %p sched: %i\n", + i, ac, ac->sched); + if (list_empty(&ac->tid_q) || (len >= size)) + goto done_for; + tid = list_first_entry(&ac->tid_q, struct ath_atx_tid, + list); + len += snprintf(buf + len, size - len, + " first-tid: %p sched: %i paused: %i\n", + tid, tid->sched, tid->paused); + } + done_for: + spin_unlock_bh(&txq->axq_lock); + } + done: if (len > size) len = size; |