5.10-stable review patch. If anyone has any objections, please let me know.
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From: Aharon Landau aharonl@nvidia.com
[ Upstream commit b8dfed636fc6239396c3a2ae5f812505906cf215 ]
Add additional flow steering priorities in the RDMA namespace. This allows adding flow counters to count filtered RDMA traffic and then continue processing in the regular RDMA steering flow.
Signed-off-by: Aharon Landau aharonl@nvidia.com Reviewed-by: Maor Gottlieb maorg@nvidia.com Signed-off-by: Mark Zhang markzhang@nvidia.com Signed-off-by: Leon Romanovsky leonro@nvidia.com Stable-dep-of: c08d3e62b2e7 ("net/mlx5: Fix RDMA TX steering prio") Signed-off-by: Sasha Levin sashal@kernel.org --- .../net/ethernet/mellanox/mlx5/core/fs_core.c | 54 ++++++++++++++++--- include/linux/mlx5/device.h | 2 + include/linux/mlx5/fs.h | 2 + 3 files changed, 50 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index c1a0d4e616b4b..3f49eff271cf2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -98,6 +98,9 @@ #define LEFTOVERS_NUM_LEVELS 1 #define LEFTOVERS_NUM_PRIOS 1
+#define RDMA_RX_COUNTERS_PRIO_NUM_LEVELS 1 +#define RDMA_TX_COUNTERS_PRIO_NUM_LEVELS 1 + #define BY_PASS_PRIO_NUM_LEVELS 1 #define BY_PASS_MIN_LEVEL (ETHTOOL_MIN_LEVEL + MLX5_BY_PASS_NUM_PRIOS +\ LEFTOVERS_NUM_PRIOS) @@ -205,34 +208,63 @@ static struct init_tree_node egress_root_fs = { } };
-#define RDMA_RX_BYPASS_PRIO 0 -#define RDMA_RX_KERNEL_PRIO 1 +enum { + RDMA_RX_COUNTERS_PRIO, + RDMA_RX_BYPASS_PRIO, + RDMA_RX_KERNEL_PRIO, +}; + +#define RDMA_RX_BYPASS_MIN_LEVEL MLX5_BY_PASS_NUM_REGULAR_PRIOS +#define RDMA_RX_KERNEL_MIN_LEVEL (RDMA_RX_BYPASS_MIN_LEVEL + 1) +#define RDMA_RX_COUNTERS_MIN_LEVEL (RDMA_RX_KERNEL_MIN_LEVEL + 2) + static struct init_tree_node rdma_rx_root_fs = { .type = FS_TYPE_NAMESPACE, - .ar_size = 2, + .ar_size = 3, .children = (struct init_tree_node[]) { + [RDMA_RX_COUNTERS_PRIO] = + ADD_PRIO(0, RDMA_RX_COUNTERS_MIN_LEVEL, 0, + FS_CHAINING_CAPS, + ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, + ADD_MULTIPLE_PRIO(MLX5_RDMA_RX_NUM_COUNTERS_PRIOS, + RDMA_RX_COUNTERS_PRIO_NUM_LEVELS))), [RDMA_RX_BYPASS_PRIO] = - ADD_PRIO(0, MLX5_BY_PASS_NUM_REGULAR_PRIOS, 0, + ADD_PRIO(0, RDMA_RX_BYPASS_MIN_LEVEL, 0, FS_CHAINING_CAPS, ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_REGULAR_PRIOS, BY_PASS_PRIO_NUM_LEVELS))), [RDMA_RX_KERNEL_PRIO] = - ADD_PRIO(0, MLX5_BY_PASS_NUM_REGULAR_PRIOS + 1, 0, + ADD_PRIO(0, RDMA_RX_KERNEL_MIN_LEVEL, 0, FS_CHAINING_CAPS, ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_SWITCH_DOMAIN, ADD_MULTIPLE_PRIO(1, 1))), } };
+enum { + RDMA_TX_COUNTERS_PRIO, + RDMA_TX_BYPASS_PRIO, +}; + +#define RDMA_TX_BYPASS_MIN_LEVEL MLX5_BY_PASS_NUM_PRIOS +#define RDMA_TX_COUNTERS_MIN_LEVEL (RDMA_TX_BYPASS_MIN_LEVEL + 1) + static struct init_tree_node rdma_tx_root_fs = { .type = FS_TYPE_NAMESPACE, - .ar_size = 1, + .ar_size = 2, .children = (struct init_tree_node[]) { - ADD_PRIO(0, MLX5_BY_PASS_NUM_PRIOS, 0, + [RDMA_TX_COUNTERS_PRIO] = + ADD_PRIO(0, RDMA_TX_COUNTERS_MIN_LEVEL, 0, + FS_CHAINING_CAPS, + ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, + ADD_MULTIPLE_PRIO(MLX5_RDMA_TX_NUM_COUNTERS_PRIOS, + RDMA_TX_COUNTERS_PRIO_NUM_LEVELS))), + [RDMA_TX_BYPASS_PRIO] = + ADD_PRIO(0, RDMA_TX_BYPASS_MIN_LEVEL, 0, FS_CHAINING_CAPS_RDMA_TX, ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, - ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS, + ADD_MULTIPLE_PRIO(RDMA_TX_BYPASS_MIN_LEVEL, BY_PASS_PRIO_NUM_LEVELS))), } }; @@ -2311,6 +2343,12 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, prio = RDMA_RX_KERNEL_PRIO; } else if (type == MLX5_FLOW_NAMESPACE_RDMA_TX) { root_ns = steering->rdma_tx_root_ns; + } else if (type == MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS) { + root_ns = steering->rdma_rx_root_ns; + prio = RDMA_RX_COUNTERS_PRIO; + } else if (type == MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS) { + root_ns = steering->rdma_tx_root_ns; + prio = RDMA_TX_COUNTERS_PRIO; } else { /* Must be NIC RX */ root_ns = steering->root_ns; prio = type; diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index cf824366a7d1b..969ac95e2edec 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1418,6 +1418,8 @@ static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz) return MLX5_MIN_PKEY_TABLE_SIZE << pkey_sz; }
+#define MLX5_RDMA_RX_NUM_COUNTERS_PRIOS 2 +#define MLX5_RDMA_TX_NUM_COUNTERS_PRIOS 1 #define MLX5_BY_PASS_NUM_REGULAR_PRIOS 16 #define MLX5_BY_PASS_NUM_DONT_TRAP_PRIOS 16 #define MLX5_BY_PASS_NUM_MULTICAST_PRIOS 1 diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 846d94ad04bcc..3f0e67ee60243 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -80,6 +80,8 @@ enum mlx5_flow_namespace_type { MLX5_FLOW_NAMESPACE_RDMA_RX, MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, MLX5_FLOW_NAMESPACE_RDMA_TX, + MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, + MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, };
enum {