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ipv4: icmp: Pass full DS field to ip_route_input()

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[ Upstream commit 1c6f50b37f711b831d78973dad0df1da99ad0014 ]

Align the ICMP code to other callers of ip_route_input() and pass the
full DS field. In the future this will allow us to perform a route
lookup according to the full DSCP value.

No functional changes intended since the upper DSCP bits are masked when
comparing against the TOS selectors in FIB rules and routes.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Florian Westphal <fw@strlen.de>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20240821125251.1571445-11-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: 27843ce6ba3d ("ipvlan: ensure network headers are in skb linear part")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ido Schimmel
2024-08-21 15:52:49 +03:00
committed by Greg Kroah-Hartman
parent 524c341cb1
commit 28e46a8c21
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/icmp.c
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@@ -550,7 +550,7 @@ static struct rtable *icmp_route_lookup(struct net *net,
orefdst = skb_in->_skb_refdst; /* save old refdst */
skb_dst_set(skb_in, NULL);
err = ip_route_input(skb_in, fl4_dec.daddr, fl4_dec.saddr,
RT_TOS(tos), rt2->dst.dev);
tos, rt2->dst.dev);
dst_release(&rt2->dst);
rt2 = skb_rtable(skb_in);