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vrf: Prepare vrf_process_v4_outbound() to future .flowi4_tos conversion.

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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@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/6be084229008dcfa7a4e2758befccfd2217a331e.1730294788.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Guillaume Nault 2024-10-30 14:27:19 +01:00 committed by Jakub Kicinski
parent 0c30d6eedd
commit 937677f481
1 changed files with 1 additions and 1 deletions
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2
drivers/net/vrf.c
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@ -521,7 +521,7 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb,
/* needed to match OIF rule */
fl4.flowi4_l3mdev = vrf_dev->ifindex;
fl4.flowi4_iif = LOOPBACK_IFINDEX;
fl4.flowi4_tos = ip4h->tos & INET_DSCP_MASK;
fl4.flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(ip4h));
fl4.flowi4_flags = FLOWI_FLAG_ANYSRC;
fl4.flowi4_proto = ip4h->protocol;
fl4.daddr = ip4h->daddr;