diff mbox series

[net-next,12/14] net/mlx5: E-Switch, Enable setting goto slow path chain action

Message ID 20181018000859.16212-13-saeedm@mellanox.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series [net-next,01/14] net/mlx5: E-Switch, Get counters for offloaded flows from callers | expand

Commit Message

Saeed Mahameed Oct. 18, 2018, 12:08 a.m. UTC 
From: Paul Blakey <paulb@mellanox.com>

A pre-step for the tc offloads code to use this when a neigh is
not available for encap rules.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.h          | 2 ++
 drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 6 ++++++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 54215f4312fa..aaafc9f17115 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -60,6 +60,7 @@ 
 	MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_to_table)
 
 #define FDB_MAX_CHAIN 3
+#define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1)
 #define FDB_MAX_PRIO 16
 
 struct vport_ingress {
@@ -356,6 +357,7 @@  static inline int  mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs,
 static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {}
 
 #define FDB_MAX_CHAIN 1
+#define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1)
 #define FDB_MAX_PRIO 1
 
 #endif /* CONFIG_MLX5_ESWITCH */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 289f1992f624..42a130455ef8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -671,6 +671,9 @@  esw_get_prio_table(struct mlx5_eswitch *esw, u32 chain, u16 prio, int level)
 	int table_prio, l = 0;
 	u32 flags = 0;
 
+	if (chain == FDB_SLOW_PATH_CHAIN)
+		return esw->fdb_table.offloads.slow_fdb;
+
 	mutex_lock(&esw->fdb_table.offloads.fdb_prio_lock);
 
 	fdb = fdb_prio_table(esw, chain, prio, level).fdb;
@@ -730,6 +733,9 @@  esw_put_prio_table(struct mlx5_eswitch *esw, u32 chain, u16 prio, int level)
 {
 	int l;
 
+	if (chain == FDB_SLOW_PATH_CHAIN)
+		return;
+
 	mutex_lock(&esw->fdb_table.offloads.fdb_prio_lock);
 
 	for (l = level; l >= 0; l--) {