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net/mlx5e: Support tagged tunnel over bond

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Stacked devices like bond interface may have a VLAN device on top of
them. Detect lag state correctly under this condition, and return the
correct routed net device, according to it the encap header is built.

Fixes: e32ee6c78efa ("net/mlx5e: Support tunnel encap over tagged Ethernet")
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 2019-06-02 13:47:59 +00:00 committed by Saeed Mahameed
parent 47c9d2c99d
commit 45e7d4c0c1
1 changed files with 6 additions and 5 deletions
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11
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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@ -11,24 +11,25 @@ static int get_route_and_out_devs(struct mlx5e_priv *priv,
struct net_device **route_dev,
struct net_device **out_dev)
{
struct net_device *uplink_dev, *uplink_upper, *real_dev;
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct net_device *uplink_dev, *uplink_upper;
bool dst_is_lag_dev;
real_dev = is_vlan_dev(dev) ? vlan_dev_real_dev(dev) : dev;
uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
uplink_upper = netdev_master_upper_dev_get(uplink_dev);
dst_is_lag_dev = (uplink_upper &&
netif_is_lag_master(uplink_upper) &&
dev == uplink_upper &&
real_dev == uplink_upper &&
mlx5_lag_is_sriov(priv->mdev));
/* if the egress device isn't on the same HW e-switch or
* it's a LAG device, use the uplink
*/
if (!netdev_port_same_parent_id(priv->netdev, dev) ||
if (!netdev_port_same_parent_id(priv->netdev, real_dev) ||
dst_is_lag_dev) {
*route_dev = uplink_dev;
*out_dev = *route_dev;
*route_dev = dev;
*out_dev = uplink_dev;
} else {
*route_dev = dev;
if (is_vlan_dev(*route_dev))