tree 1ea1f869f2778aa33ba298b1307e5cec5f909633
parent 496611d7b5eaf59c03440c8f2def1d9988ad2459
author Craig Gallek <kraig@google.com> 1455123037 -0500
committer David S. Miller <davem@davemloft.net> 1455180854 -0500

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>