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ipvlan: Prepare ipvlan_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: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/f48335504a05b3587e0081a9b4511e0761571ca5.1730292157.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Guillaume Nault 2024-10-30 13:43:11 +01:00 committed by Jakub Kicinski
parent 8a6631f1ce
commit 0c30d6eedd
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ipvlan/ipvlan_core.c
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@ -3,6 +3,7 @@
*/
#include <net/inet_dscp.h>
#include <net/ip.h>
#include "ipvlan.h"
@ -422,7 +423,7 @@ static noinline_for_stack int ipvlan_process_v4_outbound(struct sk_buff *skb)
int err, ret = NET_XMIT_DROP;
struct flowi4 fl4 = {
.flowi4_oif = dev->ifindex,
.flowi4_tos = ip4h->tos & INET_DSCP_MASK,
.flowi4_tos = inet_dscp_to_dsfield(ip4h_dscp(ip4h)),
.flowi4_flags = FLOWI_FLAG_ANYSRC,
.flowi4_mark = skb->mark,
.daddr = ip4h->daddr,