From: Ido Schimmel Date: Thu, 29 Aug 2024 06:54:59 +0000 (+0300) Subject: bpf: Unmask upper DSCP bits in __bpf_redirect_neigh_v4() X-Git-Tag: v6.12-rc1~232^2~133^2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=50033400fc3a4744ea3ef6b7ec6443c5ec15a797;p=linux-block.git bpf: Unmask upper DSCP bits in __bpf_redirect_neigh_v4() 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 Reviewed-by: Guillaume Nault Signed-off-by: David S. Miller --- 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,