linux/drivers/net/ethernet/cisco
Govindarajulu Varadarajan 14747cd977 enic: add low latency socket busy_poll support
This patch adds support for low latency busy_poll.

* Introduce drivers ndo_busy_poll function enic_busy_poll, which is called by
socket waiting for data.

* Introduce locking between napi_poll nad busy_poll

* enic_busy_poll cleans up all the rx pkts possible. While in busy_poll, rq
holds the state ENIC_POLL_STATE_POLL. While in napi_poll, rq holds the state
ENIC_POLL_STATE_NAPI.

* in napi_poll we return if we are in busy_poll. Incase of INTx & msix, we just
service wq and return if busy_poll is going on.

Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-23 14:32:19 -07:00
..
enic enic: add low latency socket busy_poll support 2014-06-23 14:32:19 -07:00
Kconfig net: Remove bogus dependencies on INET 2012-11-19 19:13:59 -05:00
Makefile