[PATCH net-next v2 12/12] 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@xxxxxxxxxx>
---
 net/core/filter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/filter.c b/net/core/filter.c
index f09d875cc053..8569cd2482ee 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -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,
-- 
2.46.0





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