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ipv6: add flowinfo for tcp6 pkt_options for all cases

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The current implementation of IPV6_FLOWINFO only gives a
result if pktoptions is available (thanks to the
ip6_datagram_recv_ctl function).
It gives inconsistent results to user space, sometimes
there is a result for getsockopt(IPV6_FLOWINFO), sometimes
not.

This patch add rcv_flowinfo to store it, and return it to
the userspace in the same way than other pkt_options.

Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florent Fourcot 2013-12-08 15:46:57 +01:00 • committed by David S. Miller
parent 5824d2d16d
commit 1397ed35f2
3 changed files with 9 additions and 0 deletions
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1
include/linux/ipv6.h
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@ -201,6 +201,7 @@ struct ipv6_pinfo {
__u8 min_hopcount;
__u8 tclass;
__u8 rcv_tclass;
__be32 rcv_flowinfo;
__u32 dst_cookie;
__u32 rx_dst_cookie;