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From: Saeed Mahameed <saeedm@mellanox.com>
To: "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org
Cc: Paul Blakey <paulb@mellanox.com>, Saeed Mahameed <saeedm@mellanox.com>
Subject: [net-next 12/14] net/mlx5: E-Switch, Enable setting goto slow path chain action
Date: Wed, 17 Oct 2018 17:08:57 -0700	[thread overview]
Message-ID: <20181018000859.16212-13-saeedm@mellanox.com> (raw)
In-Reply-To: <20181018000859.16212-1-saeedm@mellanox.com>

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 --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--) {
-- 
2.17.2

  parent reply	other threads:[~2018-10-18  8:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-18  0:08 [pull request][net-next 00/14] Mellanox, mlx5 updates Saeed Mahameed
2018-10-18  0:08 ` [net-next 01/14] net/mlx5: E-Switch, Get counters for offloaded flows from callers Saeed Mahameed
2018-10-18  0:08 ` [net-next 02/14] net/mlx5: Use flow counter IDs and not the wrapping cache object Saeed Mahameed
2018-10-18  0:08 ` [net-next 03/14] net/mlx5e: Change return type of tc add flow functions Saeed Mahameed
2018-10-18  0:08 ` [net-next 04/14] net/mlx5e: Split TC add rule path for nic vs e-switch Saeed Mahameed
2018-10-18  0:08 ` [net-next 05/14] net/mlx5: Add cap bits for multi fdb encap Saeed Mahameed
2018-10-18  0:08 ` [net-next 06/14] net/mlx5: Split FDB fast path prio to multiple namespaces Saeed Mahameed
2018-10-18  0:08 ` [net-next 07/14] net/mlx5: E-Switch, Have explicit API to delete fwd rules Saeed Mahameed
2018-10-18  0:08 ` [net-next 08/14] net/mlx5: E-Switch, Add chains and priorities Saeed Mahameed
2018-10-18  0:08 ` [net-next 09/14] net/mlx5: Add a no-append flow insertion mode Saeed Mahameed
2018-10-18  0:08 ` [net-next 10/14] net/mlx5e: For TC offloads, always add new flow instead of appending the actions Saeed Mahameed
2018-10-18  0:08 ` [net-next 11/14] net/mlx5e: Avoid duplicated code for tc offloads add/del fdb rule Saeed Mahameed
2018-10-18  0:08 ` Saeed Mahameed [this message]
2018-10-18  0:08 ` [net-next 13/14] net/mlx5e: Use a slow path rule instead if vxlan neighbour isn't available Saeed Mahameed
2018-10-18  0:08 ` [net-next 14/14] net/mlx5e: Support offloading tc priorities and chains for eswitch flows Saeed Mahameed
2018-10-18 17:26 ` [pull request][net-next 00/14] Mellanox, mlx5 updates David Miller

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