diff options
| author | Petr Machata | 2018-05-14 08:40:44 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-05-14 22:41:43 +0200 |
| commit | 55c0211dcb5d33955ed977de81373cef91de665b (patch) | |
| tree | 7d58b8f0a1ca30722bac512985ac25ef469c31e7 /drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | |
| parent | net: ethernet: ti: Use ERR_CAST instead of ERR_PTR(PTR_ERR()) (diff) | |
| download | kernel-qcow2-linux-55c0211dcb5d33955ed977de81373cef91de665b.tar.gz kernel-qcow2-linux-55c0211dcb5d33955ed977de81373cef91de665b.tar.xz kernel-qcow2-linux-55c0211dcb5d33955ed977de81373cef91de665b.zip | |
mlxsw: spectrum_span: Support LAG under mirror-to-gretap
When resolving a path that the packet will take after being encapsulated
in mirror-to-gretap scenarios, one of the devices en route could be a
LAG. In that case, mirror to first up slave that corresponds to a front
panel port.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index e5f4f7620ab7..da3f7f527360 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -245,6 +245,19 @@ mlxsw_sp_span_entry_vlan(const struct net_device *vlan_dev, return vlan_dev_real_dev(vlan_dev); } +static struct net_device * +mlxsw_sp_span_entry_lag(struct net_device *lag_dev) +{ + struct net_device *dev; + struct list_head *iter; + + netdev_for_each_lower_dev(lag_dev, dev, iter) + if ((dev->flags & IFF_UP) && mlxsw_sp_port_dev_check(dev)) + return dev; + + return NULL; +} + static __maybe_unused int mlxsw_sp_span_entry_tunnel_parms_common(struct net_device *edev, union mlxsw_sp_l3addr saddr, @@ -278,6 +291,14 @@ mlxsw_sp_span_entry_tunnel_parms_common(struct net_device *edev, edev = mlxsw_sp_span_entry_vlan(edev, &vid); } + if (netif_is_lag_master(edev)) { + if (!(edev->flags & IFF_UP)) + goto unoffloadable; + edev = mlxsw_sp_span_entry_lag(edev); + if (!edev) + goto unoffloadable; + } + if (!mlxsw_sp_port_dev_check(edev)) goto unoffloadable; |