ipv6: sit: Unmask upper DSCP bits in ipip6_tunnel_xmit()

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The function calls flowi4_init_output() to initialize an IPv4 flow key
with which it then performs a FIB lookup using ip_route_output_flow().

The 'tos' variable with which the TOS value in the IPv4 flow key
(flowi4_tos) is initialized contains the full DS field. Unmask the upper
DSCP bits so that in the future the FIB lookup could be performed
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>

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Ido Schimmel 2024-08-29 09:54:56 +03:00 • committed by David S. Miller

parent 13f6538de2

commit 6a59526628

1 changed files with 3 additions and 2 deletions

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net/ipv6/sit.c

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