summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/mellanox
diff options
context:
space:
mode:
authorPaul Blakey <paulb@mellanox.com>2018-09-04 19:32:07 +0200
committerSaeed Mahameed <saeedm@mellanox.com>2018-10-17 23:18:50 +0200
commitc92a0b9457a4e44e1e7f53785490a5482eedfe2d (patch)
tree7ae741109dab0b2587ff519f76123de59883c2e3 /drivers/net/ethernet/mellanox
parentnet/mlx5e: Avoid duplicated code for tc offloads add/del fdb rule (diff)
downloadlinux-c92a0b9457a4e44e1e7f53785490a5482eedfe2d.tar.xz
linux-c92a0b9457a4e44e1e7f53785490a5482eedfe2d.zip
net/mlx5: E-Switch, Enable setting goto slow path chain action
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>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c6
2 files changed, 8 insertions, 0 deletions
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--) {