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bpf: Unmask upper DSCP bits in __bpf_redirect_neigh_v4()

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Unmask the upper DSCP bits when calling ip_route_output_flow() so that
in the future it could perform the FIB lookup according to the full DSCP
value.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2024-08-29 09:54:59 +03:00
committed by David S. Miller
parent c5d8ffe29c
commit 50033400fc
1 changed files with 1 additions and 1 deletions
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net/core/filter.c
+1 -1
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@@ -2372,7 +2372,7 @@ static int __bpf_redirect_neigh_v4(struct sk_buff *skb, struct net_device *dev,
struct flowi4 fl4 = {
.flowi4_flags = FLOWI_FLAG_ANYSRC,
.flowi4_mark = skb->mark,
.flowi4_tos = RT_TOS(ip4h->tos),
.flowi4_tos = ip4h->tos & INET_DSCP_MASK,
.flowi4_oif = dev->ifindex,
.flowi4_proto = ip4h->protocol,
.daddr = ip4h->daddr,