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RDMA/mlx5: Allow inserting a steering rule to the FDB

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Allow this only via mlx5 raw create flow API, legacy verbs are not
supported. To accommodate that, we add a new attribute to matcher creation
to indicate the type of flow table to be used.
	MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE
With this new attribute MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS is no longer
needed, we keep it for compatibility but at most only a single attribute can
be passed of the two.

When inserting a flow rule to the FDB we require that a DEVX FT is
provided as a destination, no other configuration is allowed.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Mark Bloch
2019-03-28 15:46:23 +02:00
committed by Jason Gunthorpe
parent 3b70508a6b
commit 52438be441
3 changed files with 65 additions and 12 deletions
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1
include/uapi/rdma/mlx5_user_ioctl_cmds.h
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@@ -144,6 +144,7 @@ enum mlx5_ib_flow_matcher_create_attrs {
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE,
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE,
};
enum mlx5_ib_flow_matcher_destroy_attrs {

1
include/uapi/rdma/mlx5_user_ioctl_verbs.h
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@@ -42,6 +42,7 @@ enum mlx5_ib_uapi_flow_action_flags {
enum mlx5_ib_uapi_flow_table_type {
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX = 0x0,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX = 0x1,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB = 0x2,
};
enum mlx5_ib_uapi_flow_action_packet_reformat_type {