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ipv4: ip_gre: Unmask upper DSCP bits in ipgre_open()

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Unmask the upper DSCP bits when calling ip_route_output_gre() 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>
This commit is contained in:
Ido Schimmel 2024-09-05 19:51:30 +03:00 committed by David S. Miller
parent 1f23a1909d
commit 25376a8901
1 changed files with 2 additions and 1 deletions
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3
net/ipv4/ip_gre.c
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@ -44,6 +44,7 @@
#include <net/gre.h>
#include <net/dst_metadata.h>
#include <net/erspan.h>
#include <net/inet_dscp.h>
/*
Problems & solutions
@ -930,7 +931,7 @@ static int ipgre_open(struct net_device *dev)
t->parms.iph.daddr,
t->parms.iph.saddr,
t->parms.o_key,
RT_TOS(t->parms.iph.tos),
t->parms.iph.tos & INET_DSCP_MASK,
t->parms.link);
if (IS_ERR(rt))
return -EADDRNOTAVAIL;