Use ip4h_dscp() to get the DSCP from the IPv4 header, then convert the
dscp_t value to __u8 with inet_dscp_to_dsfield().
Then, when we'll convert .flowi4_tos to dscp_t, we'll just have to drop
the inet_dscp_to_dsfield() call.
Signed-off-by: Guillaume Nault <gnault@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 82f92ed0dc72..c3a722134ca1 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2355,7 +2355,7 @@ 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 = ip4h->tos & INET_DSCP_MASK,
+ .flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(ip4h)),
.flowi4_oif = dev->ifindex,
.flowi4_proto = ip4h->protocol,
.daddr = ip4h->daddr,
--
2.39.2
