mlxsw: spectrum_span: Support LAG under mirror-to-gretap (55c0211d) · Commits · 戴 / test

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>

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -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;

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