diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fs_core.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 131 |
1 files changed, 123 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 5a85d8c1e797..731acbe22dc7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -34,12 +34,14 @@ #include <linux/mlx5/driver.h> #include <linux/mlx5/vport.h> #include <linux/mlx5/eswitch.h> +#include <net/devlink.h> #include "mlx5_core.h" #include "fs_core.h" #include "fs_cmd.h" #include "fs_ft_pool.h" #include "diag/fs_tracepoint.h" +#include "devlink.h" #define INIT_TREE_NODE_ARRAY_SIZE(...) (sizeof((struct init_tree_node[]){__VA_ARGS__}) /\ sizeof(struct init_tree_node)) @@ -111,8 +113,10 @@ #define ETHTOOL_PRIO_NUM_LEVELS 1 #define ETHTOOL_NUM_PRIOS 11 #define ETHTOOL_MIN_LEVEL (KERNEL_MIN_LEVEL + ETHTOOL_NUM_PRIOS) -/* Promiscuous, Vlan, mac, ttc, inner ttc, {UDP/ANY/aRFS/accel/{esp, esp_err}}, IPsec policy */ -#define KERNEL_NIC_PRIO_NUM_LEVELS 8 +/* Promiscuous, Vlan, mac, ttc, inner ttc, {UDP/ANY/aRFS/accel/{esp, esp_err}}, IPsec policy, + * IPsec RoCE policy + */ +#define KERNEL_NIC_PRIO_NUM_LEVELS 9 #define KERNEL_NIC_NUM_PRIOS 1 /* One more level for tc */ #define KERNEL_MIN_LEVEL (KERNEL_NIC_PRIO_NUM_LEVELS + 1) @@ -219,19 +223,30 @@ static struct init_tree_node egress_root_fs = { }; enum { + RDMA_RX_IPSEC_PRIO, RDMA_RX_COUNTERS_PRIO, RDMA_RX_BYPASS_PRIO, RDMA_RX_KERNEL_PRIO, }; +#define RDMA_RX_IPSEC_NUM_PRIOS 1 +#define RDMA_RX_IPSEC_NUM_LEVELS 2 +#define RDMA_RX_IPSEC_MIN_LEVEL (RDMA_RX_IPSEC_NUM_LEVELS) + #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 = 3, + .ar_size = 4, .children = (struct init_tree_node[]) { + [RDMA_RX_IPSEC_PRIO] = + ADD_PRIO(0, RDMA_RX_IPSEC_MIN_LEVEL, 0, + FS_CHAINING_CAPS, + ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, + ADD_MULTIPLE_PRIO(RDMA_RX_IPSEC_NUM_PRIOS, + RDMA_RX_IPSEC_NUM_LEVELS))), [RDMA_RX_COUNTERS_PRIO] = ADD_PRIO(0, RDMA_RX_COUNTERS_MIN_LEVEL, 0, FS_CHAINING_CAPS, @@ -254,15 +269,20 @@ static struct init_tree_node rdma_rx_root_fs = { enum { RDMA_TX_COUNTERS_PRIO, + RDMA_TX_IPSEC_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) +#define RDMA_TX_IPSEC_NUM_PRIOS 1 +#define RDMA_TX_IPSEC_PRIO_NUM_LEVELS 1 +#define RDMA_TX_IPSEC_MIN_LEVEL (RDMA_TX_COUNTERS_MIN_LEVEL + RDMA_TX_IPSEC_NUM_PRIOS) + static struct init_tree_node rdma_tx_root_fs = { .type = FS_TYPE_NAMESPACE, - .ar_size = 2, + .ar_size = 3, .children = (struct init_tree_node[]) { [RDMA_TX_COUNTERS_PRIO] = ADD_PRIO(0, RDMA_TX_COUNTERS_MIN_LEVEL, 0, @@ -270,6 +290,13 @@ static struct init_tree_node rdma_tx_root_fs = { 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_IPSEC_PRIO] = + ADD_PRIO(0, RDMA_TX_IPSEC_MIN_LEVEL, 0, + FS_CHAINING_CAPS, + ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF, + ADD_MULTIPLE_PRIO(RDMA_TX_IPSEC_NUM_PRIOS, + RDMA_TX_IPSEC_PRIO_NUM_LEVELS))), + [RDMA_TX_BYPASS_PRIO] = ADD_PRIO(0, RDMA_TX_BYPASS_MIN_LEVEL, 0, FS_CHAINING_CAPS_RDMA_TX, @@ -449,7 +476,8 @@ static bool is_fwd_dest_type(enum mlx5_flow_destination_type type) type == MLX5_FLOW_DESTINATION_TYPE_VPORT || type == MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER || type == MLX5_FLOW_DESTINATION_TYPE_TIR || - type == MLX5_FLOW_DESTINATION_TYPE_RANGE; + type == MLX5_FLOW_DESTINATION_TYPE_RANGE || + type == MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE; } static bool check_valid_spec(const struct mlx5_flow_spec *spec) @@ -1774,7 +1802,6 @@ static int build_match_list(struct match_list *match_head, { struct rhlist_head *tmp, *list; struct mlx5_flow_group *g; - int err = 0; rcu_read_lock(); INIT_LIST_HEAD(&match_head->list); @@ -1800,7 +1827,7 @@ static int build_match_list(struct match_list *match_head, list_add_tail(&curr_match->list, &match_head->list); } rcu_read_unlock(); - return err; + return 0; } static u64 matched_fgs_get_version(struct list_head *match_head) @@ -2367,6 +2394,14 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, root_ns = steering->rdma_tx_root_ns; prio = RDMA_TX_COUNTERS_PRIO; break; + case MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC: + root_ns = steering->rdma_rx_root_ns; + prio = RDMA_RX_IPSEC_PRIO; + break; + case MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC: + root_ns = steering->rdma_tx_root_ns; + prio = RDMA_TX_IPSEC_PRIO; + break; default: /* Must be NIC RX */ WARN_ON(!is_nic_rx_ns(type)); root_ns = steering->root_ns; @@ -3143,6 +3178,78 @@ cleanup: return err; } +static int mlx5_fs_mode_validate(struct devlink *devlink, u32 id, + union devlink_param_value val, + struct netlink_ext_ack *extack) +{ + struct mlx5_core_dev *dev = devlink_priv(devlink); + char *value = val.vstr; + int err = 0; + + if (!strcmp(value, "dmfs")) { + return 0; + } else if (!strcmp(value, "smfs")) { + u8 eswitch_mode; + bool smfs_cap; + + eswitch_mode = mlx5_eswitch_mode(dev); + smfs_cap = mlx5_fs_dr_is_supported(dev); + + if (!smfs_cap) { + err = -EOPNOTSUPP; + NL_SET_ERR_MSG_MOD(extack, + "Software managed steering is not supported by current device"); + } + + else if (eswitch_mode == MLX5_ESWITCH_OFFLOADS) { + NL_SET_ERR_MSG_MOD(extack, + "Software managed steering is not supported when eswitch offloads enabled."); + err = -EOPNOTSUPP; + } + } else { + NL_SET_ERR_MSG_MOD(extack, + "Bad parameter: supported values are [\"dmfs\", \"smfs\"]"); + err = -EINVAL; + } + + return err; +} + +static int mlx5_fs_mode_set(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx) +{ + struct mlx5_core_dev *dev = devlink_priv(devlink); + enum mlx5_flow_steering_mode mode; + + if (!strcmp(ctx->val.vstr, "smfs")) + mode = MLX5_FLOW_STEERING_MODE_SMFS; + else + mode = MLX5_FLOW_STEERING_MODE_DMFS; + dev->priv.steering->mode = mode; + + return 0; +} + +static int mlx5_fs_mode_get(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx) +{ + struct mlx5_core_dev *dev = devlink_priv(devlink); + + if (dev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_SMFS) + strcpy(ctx->val.vstr, "smfs"); + else + strcpy(ctx->val.vstr, "dmfs"); + return 0; +} + +static const struct devlink_param mlx5_fs_params[] = { + DEVLINK_PARAM_DRIVER(MLX5_DEVLINK_PARAM_ID_FLOW_STEERING_MODE, + "flow_steering_mode", DEVLINK_PARAM_TYPE_STRING, + BIT(DEVLINK_PARAM_CMODE_RUNTIME), + mlx5_fs_mode_get, mlx5_fs_mode_set, + mlx5_fs_mode_validate), +}; + void mlx5_fs_core_cleanup(struct mlx5_core_dev *dev) { struct mlx5_flow_steering *steering = dev->priv.steering; @@ -3155,12 +3262,20 @@ void mlx5_fs_core_cleanup(struct mlx5_core_dev *dev) cleanup_root_ns(steering->rdma_rx_root_ns); cleanup_root_ns(steering->rdma_tx_root_ns); cleanup_root_ns(steering->egress_root_ns); + + devl_params_unregister(priv_to_devlink(dev), mlx5_fs_params, + ARRAY_SIZE(mlx5_fs_params)); } int mlx5_fs_core_init(struct mlx5_core_dev *dev) { struct mlx5_flow_steering *steering = dev->priv.steering; - int err = 0; + int err; + + err = devl_params_register(priv_to_devlink(dev), mlx5_fs_params, + ARRAY_SIZE(mlx5_fs_params)); + if (err) + return err; if ((((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && (MLX5_CAP_GEN(dev, nic_flow_table))) || |