tcp: __tcp_hdrlen() helper
authorCraig Gallek <kraig@google.com>
Wed, 10 Feb 2016 16:50:37 +0000 (11:50 -0500)
committerDavid S. Miller <davem@davemloft.net>
Thu, 11 Feb 2016 08:54:14 +0000 (03:54 -0500)
commitd9b3fca27385eafe61c3ca6feab6cb1e7dc77482
tree1ea1f869f2778aa33ba298b1307e5cec5f909633
parent496611d7b5eaf59c03440c8f2def1d9988ad2459
tcp: __tcp_hdrlen() helper

tcp_hdrlen is wasteful if you already have a pointer to struct tcphdr.
This splits the size calculation into a helper function that can be
used if a struct tcphdr is already available.

Signed-off-by: Craig Gallek <kraig@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/tcp.h