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sfc: Add support for busy polling

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This patch adds the sfc driver code for implementing busy polling.
It adds ndo_busy_poll method and locking between it and napi poll.
It also adds each napi to the napi_hash right after netif_napi_add().

Uses efx_start_eventq and efx_stop_eventq in the self tests.

Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexandre Rames 2014-07-22 14:03:25 +01:00 • committed by David S. Miller
commit 36763266bb
5 changed files with 208 additions and 7 deletions
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