netdev - [net-next 04/15] net/mlx5e: Enlarge the NIC TC offload steering prio to support two levels

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Date:   Fri, 19 Jan 2018 23:34:46 +0200
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 04/15] net/mlx5e: Enlarge the NIC TC offload steering prio to support two levels

From: Or Gerlitz <ogerlitz@...lanox.com>

This will allow to be able and set TC rule whose steering dest is
RSS TTC steering table.

Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index cc4f6ab9374a..c025c98700e4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -89,6 +89,9 @@
 /* One more level for tc */
 #define KERNEL_MIN_LEVEL (KERNEL_NIC_PRIO_NUM_LEVELS + 1)
 
+#define KERNEL_NIC_TC_NUM_PRIOS  1
+#define KERNEL_NIC_TC_NUM_LEVELS 2
+
 #define ANCHOR_NUM_LEVELS 1
 #define ANCHOR_NUM_PRIOS 1
 #define ANCHOR_MIN_LEVEL (BY_PASS_MIN_LEVEL + 1)
@@ -134,7 +137,7 @@ static struct init_tree_node {
 			 ADD_NS(ADD_MULTIPLE_PRIO(ETHTOOL_NUM_PRIOS,
 						  ETHTOOL_PRIO_NUM_LEVELS))),
 		ADD_PRIO(0, KERNEL_MIN_LEVEL, 0, {},
-			 ADD_NS(ADD_MULTIPLE_PRIO(1, 1),
+			 ADD_NS(ADD_MULTIPLE_PRIO(KERNEL_NIC_TC_NUM_PRIOS, KERNEL_NIC_TC_NUM_LEVELS),
 				ADD_MULTIPLE_PRIO(KERNEL_NIC_NUM_PRIOS,
 						  KERNEL_NIC_PRIO_NUM_LEVELS))),
 		ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0,
-- 
2.13.0