Commit acbc2004 authored by Or Gerlitz's avatar Or Gerlitz Committed by David S. Miller
Browse files

net/mlx5: Introduce offloads steering namespace 



Add a new namespace (MLX5_FLOW_NAMESPACE_OFFLOADS) to be populated
with flow steering rules that deal with rules that have have to
be executed before the EN NIC steering rules are matched.

The namespace is located after the bypass name-space and before the
kernel name-space. Therefore, it precedes the HW processing done for
rules set for the kernel NIC name-space.

Under SRIOV, it would allow us to match on e-switch missed packet
and forward them to the relevant VF representor TIR.

Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarAmir Vadai <amir@vadai.me>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ab22be9b

drivers/net/ethernet/mellanox/mlx5/core/fs_core.c

+10 −1
Original line number Diff line number Diff line
@@ -83,6 +83,11 @@ 
#define ANCHOR_NUM_LEVELS 1

#define ANCHOR_NUM_PRIOS 1

#define ANCHOR_MIN_LEVEL (BY_PASS_MIN_LEVEL + 1)



#define OFFLOADS_MAX_FT 1

#define OFFLOADS_NUM_PRIOS 1

#define OFFLOADS_MIN_LEVEL (ANCHOR_MIN_LEVEL + 1)



struct node_caps {

	size_t	arr_sz;

	long	*caps;
@@ -98,7 +103,7 @@ static struct init_tree_node { 
	int num_levels;

} root_fs = {

	.type = FS_TYPE_NAMESPACE,

	.ar_size = 4,

	.ar_size = 5,

	.children = (struct init_tree_node[]) {

		ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0,

			 FS_REQUIRED_CAPS(FS_CAP(flow_table_properties_nic_receive.flow_modify_en),
@@ -107,6 +112,9 @@ static struct init_tree_node { 
					  FS_CAP(flow_table_properties_nic_receive.flow_table_modify)),

			 ADD_NS(ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,

						  BY_PASS_PRIO_NUM_LEVELS))),

		ADD_PRIO(0, OFFLOADS_MIN_LEVEL, 0, {},

			 ADD_NS(ADD_MULTIPLE_PRIO(OFFLOADS_NUM_PRIOS, OFFLOADS_MAX_FT))),



		ADD_PRIO(0, KERNEL_MIN_LEVEL, 0, {},

			 ADD_NS(ADD_MULTIPLE_PRIO(1, 1),

				ADD_MULTIPLE_PRIO(KERNEL_NIC_NUM_PRIOS,
@@ -1369,6 +1377,7 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 


	switch (type) {

	case MLX5_FLOW_NAMESPACE_BYPASS:

	case MLX5_FLOW_NAMESPACE_OFFLOADS:

	case MLX5_FLOW_NAMESPACE_KERNEL:

	case MLX5_FLOW_NAMESPACE_LEFTOVERS:

	case MLX5_FLOW_NAMESPACE_ANCHOR:

include/linux/mlx5/fs.h

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ static inline void build_leftovers_ft_param(int *priority, 


enum mlx5_flow_namespace_type {

	MLX5_FLOW_NAMESPACE_BYPASS,

	MLX5_FLOW_NAMESPACE_OFFLOADS,

	MLX5_FLOW_NAMESPACE_KERNEL,

	MLX5_FLOW_NAMESPACE_LEFTOVERS,

	MLX5_FLOW_NAMESPACE_ANCHOR,

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