netdev - [net-next 06/13] net/mlx5e: Offload TC e-switch rules with egress LAG device

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Date:   Fri, 14 Dec 2018 13:51:53 -0800
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Rabie Loulou <rabiel@...lanox.com>,
        Aviv Heller <avivh@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 06/13] net/mlx5e: Offload TC e-switch rules with egress LAG device

From: Rabie Loulou <rabiel@...lanox.com>

When parsing TC FDB actions, if the egress device is a bond/team
net-device which enslaved the uplink representor of the e-switch,
use the uplink representor as the destination in the HW rule.

Signed-off-by: Rabie Loulou <rabiel@...lanox.com>
Signed-off-by: Aviv Heller <avivh@...lanox.com>
Reviewed-by: Roi Dayan <roid@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 779ca3a43bec..cede77fd208f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -2574,6 +2574,15 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
 			if (switchdev_port_same_parent_id(priv->netdev,
 							  out_dev) ||
 			    is_merged_eswitch_dev(priv, out_dev)) {
+				struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+				struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
+				struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev);
+
+				if (uplink_upper &&
+				    netif_is_lag_master(uplink_upper) &&
+				    uplink_upper == out_dev)
+					out_dev = uplink_dev;
+
 				out_priv = netdev_priv(out_dev);
 				rpriv = out_priv->ppriv;
 				attr->dests[attr->out_count].rep = rpriv->rep;
-- 
2.19.2