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[MLSXFRM]: Add flow labeling

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This labels the flows that could utilize IPSec xfrms at the points the
flows are defined so that IPSec policy and SAs at the right label can
be used.

The following protos are currently not handled, but they should
continue to be able to use single-labeled IPSec like they currently
do.

ipmr
ip_gre
ipip
igmp
sit
sctp
ip6_tunnel (IPv6 over IPv6 tunnel device)
decnet

Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Venkat Yekkirala 2006-08-04 23:12:42 -07:00 • committed by David S. Miller
parent 4e2ba18eae
commit beb8d13bed
26 changed files with 79 additions and 40 deletions
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1
net/ipv6/raw.c
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@ -759,6 +759,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst))
fl.oif = np->mcast_oif;
security_sk_classify_flow(sk, &fl);
err = ip6_dst_lookup(sk, &dst, &fl);
if (err)