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| author | Eliezer Tamir <eliezer.tamir@linux.intel.com> | 2013-06-10 08:40:00 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-11 04:22:36 (GMT) |
| commit | a5b50476f77a8fcc8055c955720d05a7c2d9c532 (patch) | |
| tree | 4b12eb7d102a3c0ce4799e00bc4a9c0b10026db7 /net/ipv4/udp_impl.h | |
| parent | 060212928670593fb89243640bf05cf89560b023 (diff) | |
| download | linux-fsl-qoriq-a5b50476f77a8fcc8055c955720d05a7c2d9c532.tar.xz | |
udp: add low latency socket poll support
Add upport for busy-polling on UDP sockets.
In __udp[46]_lib_rcv add a call to sk_mark_ll() to copy the napi_id
from the skb into the sk.
This is done at the earliest possible moment, right after we identify
which socket this skb is for.
In __skb_recv_datagram When there is no data and the user
tries to read we busy poll.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Tested-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp_impl.h')
0 files changed, 0 insertions, 0 deletions