diff options
Diffstat (limited to 'drivers')
7 files changed, 271 insertions, 52 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c index 8218c892b161..7819fb297280 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.c @@ -593,3 +593,8 @@ mlx5e_tc_meter_get_stats(struct mlx5e_flow_meter_handle *meter, *drops = packets2; *lastuse = max_t(u64, lastuse1, lastuse2); } + +int mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle *meter) +{ + return meter->meters_obj->base_id; +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.h index 9b795cd106bb..d6afb6556875 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/meter.h @@ -72,4 +72,17 @@ void mlx5e_tc_meter_get_stats(struct mlx5e_flow_meter_handle *meter, u64 *bytes, u64 *packets, u64 *drops, u64 *lastuse); +#if IS_ENABLED(CONFIG_MLX5_CLS_ACT) + +int mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle *meter); + +#else /* CONFIG_MLX5_CLS_ACT */ + +static inline int +mlx5e_flow_meter_get_base_id(struct mlx5e_flow_meter_handle *meter) +{ + return 0; +} +#endif /* CONFIG_MLX5_CLS_ACT */ + #endif /* __MLX5_EN_FLOW_METER_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 8987f17e485c..a6a8eea5980c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -648,6 +648,7 @@ esw_setup_meter(struct mlx5_flow_attr *attr, struct mlx5_flow_act *flow_act) meter = attr->meter_attr.meter; flow_act->exe_aso.type = attr->exe_aso_type; flow_act->exe_aso.object_id = meter->obj_id; + flow_act->exe_aso.base_id = mlx5e_flow_meter_get_base_id(meter); flow_act->exe_aso.flow_meter.meter_idx = meter->idx; flow_act->exe_aso.flow_meter.init_color = MLX5_FLOW_METER_COLOR_GREEN; /* use metadata reg 5 for packet color */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h index dbe747e93841..0767239f651c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h @@ -347,16 +347,10 @@ struct mlx5_fc { u64 lastbytes; }; -struct mlx5_fc_bulk_hws_data { - struct mlx5hws_action *hws_action; - struct mutex lock; /* protects hws_action */ - refcount_t hws_action_refcount; -}; - struct mlx5_fc_bulk { struct mlx5_fs_bulk fs_bulk; u32 base_id; - struct mlx5_fc_bulk_hws_data hws_data; + struct mlx5_fs_hws_data hws_data; struct mlx5_fc fcs[]; }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.c index f34bbbbba1c2..1b787cd66e6f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.c @@ -66,6 +66,8 @@ static int mlx5_fs_init_hws_actions_pool(struct mlx5_core_dev *dev, xa_init(&hws_pool->table_dests); xa_init(&hws_pool->vport_dests); xa_init(&hws_pool->vport_vhca_dests); + xa_init(&hws_pool->aso_meters); + xa_init(&hws_pool->sample_dests); return 0; cleanup_insert_hdr: @@ -88,10 +90,17 @@ destroy_tag: static void mlx5_fs_cleanup_hws_actions_pool(struct mlx5_fs_hws_context *fs_ctx) { struct mlx5_fs_hws_actions_pool *hws_pool = &fs_ctx->hws_pool; + struct mlx5_fs_hws_data *fs_hws_data; struct mlx5hws_action *action; struct mlx5_fs_pool *pool; unsigned long i; + xa_for_each(&hws_pool->sample_dests, i, fs_hws_data) + kfree(fs_hws_data); + xa_destroy(&hws_pool->sample_dests); + xa_for_each(&hws_pool->aso_meters, i, fs_hws_data) + kfree(fs_hws_data); + xa_destroy(&hws_pool->aso_meters); xa_for_each(&hws_pool->vport_vhca_dests, i, action) mlx5hws_action_destroy(action); xa_destroy(&hws_pool->vport_vhca_dests); @@ -459,6 +468,106 @@ mlx5_fs_create_dest_action_range(struct mlx5hws_context *ctx, flags); } +static struct mlx5_fs_hws_data * +mlx5_fs_get_cached_hws_data(struct xarray *cache_xa, unsigned long index) +{ + struct mlx5_fs_hws_data *fs_hws_data; + int err; + + xa_lock(cache_xa); + fs_hws_data = xa_load(cache_xa, index); + if (!fs_hws_data) { + fs_hws_data = kzalloc(sizeof(*fs_hws_data), GFP_ATOMIC); + if (!fs_hws_data) { + xa_unlock(cache_xa); + return NULL; + } + refcount_set(&fs_hws_data->hws_action_refcount, 0); + mutex_init(&fs_hws_data->lock); + err = __xa_insert(cache_xa, index, fs_hws_data, GFP_ATOMIC); + if (err) { + kfree(fs_hws_data); + xa_unlock(cache_xa); + return NULL; + } + } + xa_unlock(cache_xa); + + return fs_hws_data; +} + +static struct mlx5hws_action * +mlx5_fs_get_action_aso_meter(struct mlx5_fs_hws_context *fs_ctx, + struct mlx5_exe_aso *exe_aso) +{ + struct mlx5_fs_hws_create_action_ctx create_ctx; + struct mlx5hws_context *ctx = fs_ctx->hws_ctx; + struct mlx5_fs_hws_data *meter_hws_data; + u32 id = exe_aso->base_id; + struct xarray *meters_xa; + + meters_xa = &fs_ctx->hws_pool.aso_meters; + meter_hws_data = mlx5_fs_get_cached_hws_data(meters_xa, id); + if (!meter_hws_data) + return NULL; + + create_ctx.hws_ctx = ctx; + create_ctx.actions_type = MLX5HWS_ACTION_TYP_ASO_METER; + create_ctx.id = id; + create_ctx.return_reg_id = exe_aso->return_reg_id; + + return mlx5_fs_get_hws_action(meter_hws_data, &create_ctx); +} + +static void mlx5_fs_put_action_aso_meter(struct mlx5_fs_hws_context *fs_ctx, + struct mlx5_exe_aso *exe_aso) +{ + struct mlx5_fs_hws_data *meter_hws_data; + struct xarray *meters_xa; + + meters_xa = &fs_ctx->hws_pool.aso_meters; + meter_hws_data = xa_load(meters_xa, exe_aso->base_id); + if (!meter_hws_data) + return; + return mlx5_fs_put_hws_action(meter_hws_data); +} + +static struct mlx5hws_action * +mlx5_fs_get_dest_action_sampler(struct mlx5_fs_hws_context *fs_ctx, + struct mlx5_flow_rule *dst) +{ + struct mlx5_fs_hws_create_action_ctx create_ctx; + struct mlx5hws_context *ctx = fs_ctx->hws_ctx; + struct mlx5_fs_hws_data *sampler_hws_data; + u32 id = dst->dest_attr.sampler_id; + struct xarray *sampler_xa; + + sampler_xa = &fs_ctx->hws_pool.sample_dests; + sampler_hws_data = mlx5_fs_get_cached_hws_data(sampler_xa, id); + if (!sampler_hws_data) + return NULL; + + create_ctx.hws_ctx = ctx; + create_ctx.actions_type = MLX5HWS_ACTION_TYP_SAMPLER; + create_ctx.id = id; + + return mlx5_fs_get_hws_action(sampler_hws_data, &create_ctx); +} + +static void mlx5_fs_put_dest_action_sampler(struct mlx5_fs_hws_context *fs_ctx, + u32 sampler_id) +{ + struct mlx5_fs_hws_data *sampler_hws_data; + struct xarray *sampler_xa; + + sampler_xa = &fs_ctx->hws_pool.sample_dests; + sampler_hws_data = xa_load(sampler_xa, sampler_id); + if (!sampler_hws_data) + return; + + mlx5_fs_put_hws_action(sampler_hws_data); +} + static struct mlx5hws_action * mlx5_fs_create_action_dest_array(struct mlx5hws_context *ctx, struct mlx5hws_action_dest_attr *dests, @@ -519,26 +628,101 @@ mlx5_fs_create_action_last(struct mlx5hws_context *ctx) return mlx5hws_action_create_last(ctx, flags); } -static void mlx5_fs_destroy_fs_action(struct mlx5_fs_hws_rule_action *fs_action) +static struct mlx5hws_action * +mlx5_fs_create_hws_action(struct mlx5_fs_hws_create_action_ctx *create_ctx) +{ + u32 flags = MLX5HWS_ACTION_FLAG_HWS_FDB | MLX5HWS_ACTION_FLAG_SHARED; + + switch (create_ctx->actions_type) { + case MLX5HWS_ACTION_TYP_CTR: + return mlx5hws_action_create_counter(create_ctx->hws_ctx, + create_ctx->id, flags); + case MLX5HWS_ACTION_TYP_ASO_METER: + return mlx5hws_action_create_aso_meter(create_ctx->hws_ctx, + create_ctx->id, + create_ctx->return_reg_id, + flags); + case MLX5HWS_ACTION_TYP_SAMPLER: + return mlx5hws_action_create_flow_sampler(create_ctx->hws_ctx, + create_ctx->id, flags); + default: + return NULL; + } +} + +struct mlx5hws_action * +mlx5_fs_get_hws_action(struct mlx5_fs_hws_data *fs_hws_data, + struct mlx5_fs_hws_create_action_ctx *create_ctx) +{ + /* try avoid locking if not necessary */ + if (refcount_inc_not_zero(&fs_hws_data->hws_action_refcount)) + return fs_hws_data->hws_action; + + mutex_lock(&fs_hws_data->lock); + if (refcount_inc_not_zero(&fs_hws_data->hws_action_refcount)) { + mutex_unlock(&fs_hws_data->lock); + return fs_hws_data->hws_action; + } + fs_hws_data->hws_action = mlx5_fs_create_hws_action(create_ctx); + if (!fs_hws_data->hws_action) { + mutex_unlock(&fs_hws_data->lock); + return NULL; + } + refcount_set(&fs_hws_data->hws_action_refcount, 1); + mutex_unlock(&fs_hws_data->lock); + + return fs_hws_data->hws_action; +} + +void mlx5_fs_put_hws_action(struct mlx5_fs_hws_data *fs_hws_data) +{ + if (!fs_hws_data) + return; + + /* try avoid locking if not necessary */ + if (refcount_dec_not_one(&fs_hws_data->hws_action_refcount)) + return; + + mutex_lock(&fs_hws_data->lock); + if (!refcount_dec_and_test(&fs_hws_data->hws_action_refcount)) { + mutex_unlock(&fs_hws_data->lock); + return; + } + mlx5hws_action_destroy(fs_hws_data->hws_action); + fs_hws_data->hws_action = NULL; + mutex_unlock(&fs_hws_data->lock); +} + +static void mlx5_fs_destroy_fs_action(struct mlx5_flow_root_namespace *ns, + struct mlx5_fs_hws_rule_action *fs_action) { + struct mlx5_fs_hws_context *fs_ctx = &ns->fs_hws_context; + switch (mlx5hws_action_get_type(fs_action->action)) { case MLX5HWS_ACTION_TYP_CTR: mlx5_fc_put_hws_action(fs_action->counter); break; + case MLX5HWS_ACTION_TYP_ASO_METER: + mlx5_fs_put_action_aso_meter(fs_ctx, fs_action->exe_aso); + break; + case MLX5HWS_ACTION_TYP_SAMPLER: + mlx5_fs_put_dest_action_sampler(fs_ctx, fs_action->sampler_id); + break; default: mlx5hws_action_destroy(fs_action->action); } } static void -mlx5_fs_destroy_fs_actions(struct mlx5_fs_hws_rule_action **fs_actions, +mlx5_fs_destroy_fs_actions(struct mlx5_flow_root_namespace *ns, + struct mlx5_fs_hws_rule_action **fs_actions, int *num_fs_actions) { int i; /* Free in reverse order to handle action dependencies */ for (i = *num_fs_actions - 1; i >= 0; i--) - mlx5_fs_destroy_fs_action(*fs_actions + i); + mlx5_fs_destroy_fs_action(ns, *fs_actions + i); *num_fs_actions = 0; kfree(*fs_actions); *fs_actions = NULL; @@ -735,8 +919,25 @@ static int mlx5_fs_fte_get_hws_actions(struct mlx5_flow_root_namespace *ns, } if (fte_action->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) { - err = -EOPNOTSUPP; - goto free_actions; + if (fte_action->exe_aso.type != MLX5_EXE_ASO_FLOW_METER || + num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) { + err = -EOPNOTSUPP; + goto free_actions; + } + + tmp_action = mlx5_fs_get_action_aso_meter(fs_ctx, + &fte_action->exe_aso); + if (!tmp_action) { + err = -ENOMEM; + goto free_actions; + } + (*ractions)[num_actions].aso_meter.offset = + fte_action->exe_aso.flow_meter.meter_idx; + (*ractions)[num_actions].aso_meter.init_color = + fte_action->exe_aso.flow_meter.init_color; + (*ractions)[num_actions++].action = tmp_action; + fs_actions[num_fs_actions].action = tmp_action; + fs_actions[num_fs_actions++].exe_aso = &fte_action->exe_aso; } if (fte_action->action & MLX5_FLOW_CONTEXT_ACTION_DROP) { @@ -784,6 +985,14 @@ static int mlx5_fs_fte_get_hws_actions(struct mlx5_flow_root_namespace *ns, dest_action = mlx5_fs_get_dest_action_vport(fs_ctx, dst, type_uplink); break; + case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER: + dest_action = + mlx5_fs_get_dest_action_sampler(fs_ctx, + dst); + fs_actions[num_fs_actions].action = dest_action; + fs_actions[num_fs_actions++].sampler_id = + dst->dest_attr.sampler_id; + break; default: err = -EOPNOTSUPP; goto free_actions; @@ -850,7 +1059,7 @@ static int mlx5_fs_fte_get_hws_actions(struct mlx5_flow_root_namespace *ns, return 0; free_actions: - mlx5_fs_destroy_fs_actions(&fs_actions, &num_fs_actions); + mlx5_fs_destroy_fs_actions(ns, &fs_actions, &num_fs_actions); free_dest_actions_alloc: kfree(dest_actions); free_fs_actions_alloc: @@ -900,7 +1109,7 @@ static int mlx5_cmd_hws_create_fte(struct mlx5_flow_root_namespace *ns, return 0; free_actions: - mlx5_fs_destroy_fs_actions(&fte->fs_hws_rule.hws_fs_actions, + mlx5_fs_destroy_fs_actions(ns, &fte->fs_hws_rule.hws_fs_actions, &fte->fs_hws_rule.num_fs_actions); out_err: mlx5_core_err(ns->dev, "Failed to create hws rule err(%d)\n", err); @@ -920,7 +1129,8 @@ static int mlx5_cmd_hws_delete_fte(struct mlx5_flow_root_namespace *ns, err = mlx5hws_bwc_rule_destroy(rule->bwc_rule); rule->bwc_rule = NULL; - mlx5_fs_destroy_fs_actions(&rule->hws_fs_actions, &rule->num_fs_actions); + mlx5_fs_destroy_fs_actions(ns, &rule->hws_fs_actions, + &rule->num_fs_actions); return err; } @@ -958,11 +1168,12 @@ static int mlx5_cmd_hws_update_fte(struct mlx5_flow_root_namespace *ns, if (ret) goto restore_actions; - mlx5_fs_destroy_fs_actions(&saved_hws_fs_actions, &saved_num_fs_actions); + mlx5_fs_destroy_fs_actions(ns, &saved_hws_fs_actions, + &saved_num_fs_actions); return ret; restore_actions: - mlx5_fs_destroy_fs_actions(&fte->fs_hws_rule.hws_fs_actions, + mlx5_fs_destroy_fs_actions(ns, &fte->fs_hws_rule.hws_fs_actions, &fte->fs_hws_rule.num_fs_actions); fte->fs_hws_rule.hws_fs_actions = saved_hws_fs_actions; fte->fs_hws_rule.num_fs_actions = saved_num_fs_actions; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.h index cbddb72d4362..8b56298288da 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws.h @@ -22,6 +22,8 @@ struct mlx5_fs_hws_actions_pool { struct xarray table_dests; struct xarray vport_vhca_dests; struct xarray vport_dests; + struct xarray aso_meters; + struct xarray sample_dests; }; struct mlx5_fs_hws_context { @@ -49,6 +51,8 @@ struct mlx5_fs_hws_rule_action { struct mlx5hws_action *action; union { struct mlx5_fc *counter; + struct mlx5_exe_aso *exe_aso; + u32 sampler_id; }; }; @@ -58,6 +62,26 @@ struct mlx5_fs_hws_rule { int num_fs_actions; }; +struct mlx5_fs_hws_data { + struct mlx5hws_action *hws_action; + struct mutex lock; /* protects hws_action */ + refcount_t hws_action_refcount; +}; + +struct mlx5_fs_hws_create_action_ctx { + enum mlx5hws_action_type actions_type; + struct mlx5hws_context *hws_ctx; + u32 id; + union { + u8 return_reg_id; + }; +}; + +struct mlx5hws_action * +mlx5_fs_get_hws_action(struct mlx5_fs_hws_data *fs_hws_data, + struct mlx5_fs_hws_create_action_ctx *create_ctx); +void mlx5_fs_put_hws_action(struct mlx5_fs_hws_data *fs_hws_data); + #ifdef CONFIG_MLX5_HW_STEERING bool mlx5_fs_hws_is_supported(struct mlx5_core_dev *dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c index 2ae4ac62b0e2..f1ecdba74e1f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/fs_hws_pools.c @@ -405,46 +405,17 @@ bool mlx5_fs_hws_mh_pool_match(struct mlx5_fs_pool *mh_pool, struct mlx5hws_action *mlx5_fc_get_hws_action(struct mlx5hws_context *ctx, struct mlx5_fc *counter) { - u32 flags = MLX5HWS_ACTION_FLAG_HWS_FDB | MLX5HWS_ACTION_FLAG_SHARED; + struct mlx5_fs_hws_create_action_ctx create_ctx; struct mlx5_fc_bulk *fc_bulk = counter->bulk; - struct mlx5_fc_bulk_hws_data *fc_bulk_hws; - fc_bulk_hws = &fc_bulk->hws_data; - /* try avoid locking if not necessary */ - if (refcount_inc_not_zero(&fc_bulk_hws->hws_action_refcount)) - return fc_bulk_hws->hws_action; + create_ctx.hws_ctx = ctx; + create_ctx.id = fc_bulk->base_id; + create_ctx.actions_type = MLX5HWS_ACTION_TYP_CTR; - mutex_lock(&fc_bulk_hws->lock); - if (refcount_inc_not_zero(&fc_bulk_hws->hws_action_refcount)) { - mutex_unlock(&fc_bulk_hws->lock); - return fc_bulk_hws->hws_action; - } - fc_bulk_hws->hws_action = - mlx5hws_action_create_counter(ctx, fc_bulk->base_id, flags); - if (!fc_bulk_hws->hws_action) { - mutex_unlock(&fc_bulk_hws->lock); - return NULL; - } - refcount_set(&fc_bulk_hws->hws_action_refcount, 1); - mutex_unlock(&fc_bulk_hws->lock); - - return fc_bulk_hws->hws_action; + return mlx5_fs_get_hws_action(&fc_bulk->hws_data, &create_ctx); } void mlx5_fc_put_hws_action(struct mlx5_fc *counter) { - struct mlx5_fc_bulk_hws_data *fc_bulk_hws = &counter->bulk->hws_data; - - /* try avoid locking if not necessary */ - if (refcount_dec_not_one(&fc_bulk_hws->hws_action_refcount)) - return; - - mutex_lock(&fc_bulk_hws->lock); - if (!refcount_dec_and_test(&fc_bulk_hws->hws_action_refcount)) { - mutex_unlock(&fc_bulk_hws->lock); - return; - } - mlx5hws_action_destroy(fc_bulk_hws->hws_action); - fc_bulk_hws->hws_action = NULL; - mutex_unlock(&fc_bulk_hws->lock); + mlx5_fs_put_hws_action(&counter->bulk->hws_data); } |