From: Roi Dayan <r...@mellanox.com>

Under multipath offload scheme, as part of handling fib events, emit
mlx5 port affinity event on the enabled ports which will be handled by
the tc offloads code.

Signed-off-by: Roi Dayan <r...@mellanox.com>
Reviewed-by: Or Gerlitz <ogerl...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c | 11 +++++++++++
 include/linux/mlx5/driver.h                      |  1 +
 2 files changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c 
b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 5680beba8c07..5633f8572800 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
@@ -6,6 +6,7 @@
 #include "lag_mp.h"
 #include "mlx5_core.h"
 #include "eswitch.h"
+#include "lib/mlx5.h"
 
 static bool mlx5_lag_multipath_check_prereq(struct mlx5_lag *ldev)
 {
@@ -73,6 +74,16 @@ static void mlx5_lag_set_port_affinity(struct mlx5_lag 
*ldev, int port)
                return;
        }
 
+       if (tracker.netdev_state[0].tx_enabled)
+               mlx5_notifier_call_chain(ldev->pf[0].dev->priv.events,
+                                        MLX5_DEV_EVENT_PORT_AFFINITY,
+                                        (void *)0);
+
+       if (tracker.netdev_state[1].tx_enabled)
+               mlx5_notifier_call_chain(ldev->pf[1].dev->priv.events,
+                                        MLX5_DEV_EVENT_PORT_AFFINITY,
+                                        (void *)0);
+
        mlx5_modify_lag(ldev, &tracker);
 }
 
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index ee109b3fbfb8..5ffb5df1a2c2 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -195,6 +195,7 @@ struct mlx5_rsc_debug {
 
 enum mlx5_dev_event {
        MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
+       MLX5_DEV_EVENT_PORT_AFFINITY = 129,
 };
 
 enum mlx5_port_status {
-- 
2.20.1

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