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net: microchip: sparx5: Improve the IP frame key match for IPv6 frames 

This ensures that it will be possible for a VCAP rule to distinguish IPv6
frames from non-IP frames, as the IS0 keyset usually selected for the IPv6
traffic class in (7TUPLE) does not offer a key that specifies IPv6
directly: only non-IPv4.

The IP_SNAP key ensures that we select (at least) IP frames.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steen Hegelund 2023-01-27 14:08:24 +01:00 committed by David S. Miller
parent c02b19edc7
commit 4114ef2ce2
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
View File

@ -266,6 +266,14 @@ sparx5_tc_flower_handler_basic_usage(struct sparx5_tc_flower_parse_usage *st)
VCAP_BIT_0);
if (err)
goto out;
if (st->admin->vtype == VCAP_TYPE_IS0) {
err = vcap_rule_add_key_bit(st->vrule,
VCAP_KF_IP_SNAP_IS,
VCAP_BIT_1);
if (err)
goto out;
}
}
}