This is a note to let you know that I've just added the patch titled
ipvlan: Unmask upper DSCP bits in ipvlan_process_v4_outbound()
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipvlan-unmask-upper-dscp-bits-in-ipvlan_process_v4_o.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3d279e5cc30561c9c3c9203b804ab81b0ddb0284
Author: Ido Schimmel <idosch@xxxxxxxxxx>
Date: Thu Aug 29 09:54:57 2024 +0300
ipvlan: Unmask upper DSCP bits in ipvlan_process_v4_outbound()
[ 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@xxxxxxxxxx>
Reviewed-by: Guillaume Nault <gnault@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Stable-dep-of: 27843ce6ba3d ("ipvlan: ensure network headers are in skb linear part")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index fef4eff7753a7..b1afcb8740de1 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -2,6 +2,8 @@
/* Copyright (c) 2014 Mahesh Bandewar <maheshb@xxxxxxxxxx>
*/
+#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,
