diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 03293ed1cc22..4f5b0d47d5f3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -166,7 +166,7 @@ static int esw_add_vlan_action_check(struct mlx5_esw_flow_attr *attr, return 0; out_notsupp: - return -ENOTSUPP; + return -EOPNOTSUPP; } int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, @@ -402,19 +402,18 @@ out: } #define MAX_PF_SQ 256 -#define ESW_OFFLOADS_NUM_ENTRIES (1 << 13) /* 8K */ #define ESW_OFFLOADS_NUM_GROUPS 4 static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + int table_size, ix, esw_size, err = 0; struct mlx5_core_dev *dev = esw->dev; struct mlx5_flow_namespace *root_ns; struct mlx5_flow_table *fdb = NULL; struct mlx5_flow_group *g; u32 *flow_group_in; void *match_criteria; - int table_size, ix, err = 0; u32 flags = 0; flow_group_in = mlx5_vzalloc(inlen); @@ -424,18 +423,23 @@ static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB); if (!root_ns) { esw_warn(dev, "Failed to get FDB flow namespace\n"); + err = -EOPNOTSUPP; goto ns_err; } - esw_debug(dev, "Create offloads FDB table, log_max_size(%d)\n", - MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size)); + esw_debug(dev, "Create offloads FDB table, min (max esw size(2^%d), max counters(%d)*groups(%d))\n", + MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size), + MLX5_CAP_GEN(dev, max_flow_counter), ESW_OFFLOADS_NUM_GROUPS); + + esw_size = min_t(int, MLX5_CAP_GEN(dev, max_flow_counter) * ESW_OFFLOADS_NUM_GROUPS, + 1 << MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size)); if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, encap) && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap)) flags |= MLX5_FLOW_TABLE_TUNNEL_EN; fdb = mlx5_create_auto_grouped_flow_table(root_ns, FDB_FAST_PATH, - ESW_OFFLOADS_NUM_ENTRIES, + esw_size, ESW_OFFLOADS_NUM_GROUPS, 0, flags); if (IS_ERR(fdb)) { @@ -535,7 +539,7 @@ static int esw_create_offloads_table(struct mlx5_eswitch *esw) ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_OFFLOADS); if (!ns) { esw_warn(esw->dev, "Failed to get offloads flow namespace\n"); - return -ENOMEM; + return -EOPNOTSUPP; } ft_offloads = mlx5_create_flow_table(ns, 0, dev->priv.sriov.num_vfs + 2, 0, 0); @@ -655,7 +659,7 @@ static int esw_offloads_start(struct mlx5_eswitch *esw) esw_warn(esw->dev, "Failed setting eswitch to offloads, err %d\n", err); err1 = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_LEGACY); if (err1) - esw_warn(esw->dev, "Failed setting eswitch back to legacy, err %d\n", err); + esw_warn(esw->dev, "Failed setting eswitch back to legacy, err %d\n", err1); } if (esw->offloads.inline_mode == MLX5_INLINE_MODE_NONE) { if (mlx5_eswitch_inline_mode_get(esw, @@ -674,9 +678,14 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int nvports) int vport; int err; + /* disable PF RoCE so missed packets don't go through RoCE steering */ + mlx5_dev_list_lock(); + mlx5_remove_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); + mlx5_dev_list_unlock(); + err = esw_create_offloads_fdb_table(esw, nvports); if (err) - return err; + goto create_fdb_err; err = esw_create_offloads_table(esw); if (err) @@ -696,11 +705,6 @@ int esw_offloads_init(struct mlx5_eswitch *esw, int nvports) goto err_reps; } - /* disable PF RoCE so missed packets don't go through RoCE steering */ - mlx5_dev_list_lock(); - mlx5_remove_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); - mlx5_dev_list_unlock(); - return 0; err_reps: @@ -717,6 +721,13 @@ create_fg_err: create_ft_err: esw_destroy_offloads_fdb_table(esw); + +create_fdb_err: + /* enable back PF RoCE */ + mlx5_dev_list_lock(); + mlx5_add_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); + mlx5_dev_list_unlock(); + return err; } @@ -724,11 +735,6 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw) { int err, err1, num_vfs = esw->dev->priv.sriov.num_vfs; - /* enable back PF RoCE */ - mlx5_dev_list_lock(); - mlx5_add_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); - mlx5_dev_list_unlock(); - mlx5_eswitch_disable_sriov(esw); err = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_LEGACY); if (err) { @@ -738,6 +744,11 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw) esw_warn(esw->dev, "Failed setting eswitch back to offloads, err %d\n", err); } + /* enable back PF RoCE */ + mlx5_dev_list_lock(); + mlx5_add_dev_by_protocol(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); + mlx5_dev_list_unlock(); + return err; } |