ipv6: introduce tcp_v6_iif()
Commit 971f10ec ("tcp: better TCP_SKB_CB layout to reduce cache line misses") added a regression for SO_BINDTODEVICE on IPv6. This is because we still use inet6_iif() which expects that IP6 control block is still at the beginning of skb->cb[] This patch adds tcp_v6_iif() helper and uses it where necessary. Because __inet6_lookup_skb() is used by TCP and DCCP, we add an iif parameter to it. Signed-off-by:Eric Dumazet <edumazet@google.com> Fixes: 971f10ec ("tcp: better TCP_SKB_CB layout to reduce cache line misses") Acked-by:
Cong Wang <cwang@twopensource.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
70b33fb0
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