diff options
| author | Manish Rangankar <manish.rangankar@cavium.com> | 2018-10-24 07:22:05 -0400 |
|---|---|---|
| committer | Manish Rangankar <manish.rangankar@cavium.com> | 2018-10-24 07:28:10 -0400 |
| commit | caae91b5ef27124caf9adc1b46b40a3491f49bee (patch) | |
| tree | e673d251cd4395445fbfa05b65bc9472a3d21378 /iscsiuio | |
| parent | 65bcce29d5d7ad3831513fe14c76791287847597 (diff) | |
| download | open-iscsi-caae91b5ef27124caf9adc1b46b40a3491f49bee.tar.gz | |
iscsiuio: Do not flush tx queue on each uio interrupt.
Unlike bnx2x, qedi start_xmit netlink provide us guarantee
of transmitting LL2 packet, so there is no need to call clear_tx_intr for
each LL2 packet. This help us in reducing iscsiuio lock contention.
Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Diffstat (limited to 'iscsiuio')
| -rw-r--r-- | iscsiuio/src/unix/nic.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/iscsiuio/src/unix/nic.c b/iscsiuio/src/unix/nic.c index dfc2ad0..29c4332 100644 --- a/iscsiuio/src/unix/nic.c +++ b/iscsiuio/src/unix/nic.c @@ -799,9 +799,12 @@ int nic_process_intr(nic_t *nic, int discard_check) nic->intr_count = count; - LOG_DEBUG(PFX "%s: host:%d - calling clear_tx_intr from process_intr", - nic->log_name, nic->host_no); - (*nic->ops->clear_tx_intr) (nic); + if (strcmp(nic->ops->description, "qedi")) { + LOG_DEBUG(PFX "%s: host:%d - calling clear_tx_intr from process_intr", + nic->log_name, nic->host_no); + (*nic->ops->clear_tx_intr) (nic); + } + ret = 1; } pthread_mutex_unlock(&nic->nic_mutex); |