tcp: md5: add tcp_md5_needed jump label

Browse source

Most linux hosts never setup TCP MD5 keys. We can avoid a
cache line miss (accessing tp->md5ig_info) on RX and TX
using a jump label.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Eric Dumazet 2018-11-27 15:03:21 -08:00 • committed by David S. Miller

parent 2f69555315

commit 6015c71e65

4 changed files with 30 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

18

include/net/tcp.h

View file

5

net/ipv4/tcp.c

View file

11

net/ipv4/tcp_ipv4.c

View file

6

net/ipv4/tcp_output.c

View file