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ipvlan: Unmask upper DSCP bits in ipvlan_process_v4_outbound()

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[ Upstream commit 939cd1abf080c629552a9c5e6db4c0509d13e4c7 ]

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@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 27843ce6ba3d ("ipvlan: ensure network headers are in skb linear part")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ido Schimmel
2024-08-29 09:54:57 +03:00
committed by Greg Kroah-Hartman
parent eaba5f6743
commit ab5c0db825
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ipvlan/ipvlan_core.c
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@@ -2,6 +2,8 @@
/* Copyright (c) 2014 Mahesh Bandewar <maheshb@google.com>
*/
#include <net/inet_dscp.h>
#include "ipvlan.h"
static u32 ipvlan_jhash_secret __read_mostly;
@@ -420,7 +422,7 @@ 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 = RT_TOS(ip4h->tos),
.flowi4_tos = ip4h->tos & INET_DSCP_MASK,
.flowi4_flags = FLOWI_FLAG_ANYSRC,
.flowi4_mark = skb->mark,
.daddr = ip4h->daddr,