Eric Dumazet 6015c71e65 tcp: md5: add tcp_md5_needed jump label ...

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>

2018-11-30 13:28:03 -08:00

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