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net/mlx5e: Replace TC VLAN pop and push actions with VLAN modify

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Changing the VLAN header may be implemented by pop the existing header
and push a new one. Translate those operations as VLAN modify.
Applicable for use cases such as OVS where the controller translates a
vlan modify meta (OF) rule to DP pop+push actions rule.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Britstein 2019-03-21 15:51:42 -07:00 committed by Saeed Mahameed
parent bdc837eecf
commit 76b496b1bd
1 changed files with 11 additions and 1 deletions
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12
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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@ -2664,7 +2664,17 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
break;
case FLOW_ACTION_VLAN_PUSH:
case FLOW_ACTION_VLAN_POP:
err = parse_tc_vlan_action(priv, act, attr, &action);
if (act->id == FLOW_ACTION_VLAN_PUSH &&
(action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) {
/* Replace vlan pop+push with vlan modify */
action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
err = add_vlan_rewrite_action(priv,
MLX5_FLOW_NAMESPACE_FDB,
act, parse_attr, hdrs,
&action, extack);
} else {
err = parse_tc_vlan_action(priv, act, attr, &action);
}
if (err)
return err;