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[rdma-next,v1,4/4] RDMA/mlx5: Enable decap and packet reformat on FDB

Message ID 20190612122014.22359-5-leon@kernel.org
State Awaiting Upstream
Delegated to: David Miller
Headers show
Series Expose ENCAP mode to mlx5_ib | expand

Commit Message

Leon Romanovsky June 12, 2019, 12:20 p.m. UTC 
From: Maor Gottlieb <maorg@mellanox.com>

If FDB flow tables support decap operation, enable it on creation,
This allows to perform decapsulation of tunnelled packets by steering
rules. If FDB flow tables support reformat operation, enable it on
creation as well.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/hw/mlx5/main.c | 5 +++++
 1 file changed, 5 insertions(+)

--
2.20.1
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Patch

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a6e2e0210ebb..33709fd93ab2 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3917,6 +3917,11 @@  _get_flow_table(struct mlx5_ib_dev *dev,
 	} else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB) {
 		max_table_size = BIT(
 			MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, log_max_ft_size));
+		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, decap) && esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
+		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, reformat_l3_tunnel_to_l2) &&
+		    esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
 		priority = FDB_BYPASS_PATH;
 	}