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authorEliezer Tamir <eliezer.tamir@linux.intel.com>2013-06-10 11:40:00 +0300
committerDavid S. Miller <davem@davemloft.net>2013-06-10 21:22:36 -0700
commita5b50476f77a8fcc8055c955720d05a7c2d9c532 (patch)
tree4b12eb7d102a3c0ce4799e00bc4a9c0b10026db7 /net/ipv4/tcp.c
parent060212928670593fb89243640bf05cf89560b023 (diff)
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/tcp.c')
0 files changed, 0 insertions, 0 deletions