diff options
| author | Govindarajulu Varadarajan | 2017-05-22 21:19:48 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-05-23 17:05:45 +0200 |
| commit | 9acfd1c02993b4fb11f08104e7166249925f25d5 (patch) | |
| tree | ccf156dce08febbdad6edd0fa127bc8d2746d589 /drivers/net/ethernet/cisco | |
| parent | net/sched: fix filter flushing (diff) | |
| download | kernel-qcow2-linux-9acfd1c02993b4fb11f08104e7166249925f25d5.tar.gz kernel-qcow2-linux-9acfd1c02993b4fb11f08104e7166249925f25d5.tar.xz kernel-qcow2-linux-9acfd1c02993b4fb11f08104e7166249925f25d5.zip | |
enic: unmask intr only when napi is complete
In case of busy poll, napi_complete_done returns false and does not
dequeue napi. In this case do not unmask the intr. We are guaranteed
napi is called again. This reduces unnecessary iowrites.
Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cisco')
| -rw-r--r-- | drivers/net/ethernet/cisco/enic/enic_main.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 4b87beeabce1..6a9c8878aca0 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1537,13 +1537,12 @@ static int enic_poll(struct napi_struct *napi, int budget) */ enic_calc_int_moderation(enic, &enic->rq[0]); - if (rq_work_done < rq_work_to_do) { + if ((rq_work_done < budget) && napi_complete_done(napi, rq_work_done)) { /* Some work done, but not enough to stay in polling, * exit polling */ - napi_complete_done(napi, rq_work_done); if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) enic_set_int_moderation(enic, &enic->rq[0]); vnic_intr_unmask(&enic->intr[intr]); @@ -1663,13 +1662,12 @@ static int enic_poll_msix_rq(struct napi_struct *napi, int budget) */ enic_calc_int_moderation(enic, &enic->rq[rq]); - if (work_done < work_to_do) { + if ((work_done < budget) && napi_complete_done(napi, work_done)) { /* Some work done, but not enough to stay in polling, * exit polling */ - napi_complete_done(napi, work_done); if (enic->rx_coalesce_setting.use_adaptive_rx_coalesce) enic_set_int_moderation(enic, &enic->rq[rq]); vnic_intr_unmask(&enic->intr[intr]); |