diff options
| author | Eliezer Tamir <eliezer.tamir@linux.intel.com> | 2013-06-10 11:40:00 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-10 21:22:36 -0700 |
| commit | a5b50476f77a8fcc8055c955720d05a7c2d9c532 (patch) | |
| tree | 4b12eb7d102a3c0ce4799e00bc4a9c0b10026db7 /net/ipv4/tcp.c | |
| parent | 060212928670593fb89243640bf05cf89560b023 (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