bb349bb4b19b39830e0486aedfd7c7dca23b7baf
author Eric Dumazet <eric.dumazet@gmail.com> 1327466660 +0000
committer David S. Miller <davem@davemloft.net> 1327603860 -0500

tcp: add LINUX_MIB_TCPRETRANSFAIL counter

It might be useful to get a counter of failed tcp_retransmit_skb()
calls.

Reported-by: Satoru Moriya <satoru.moriya@hds.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>