From: Reshma Pattan Date: Tue, 11 Sep 2018 14:20:37 +0000 (+0100) Subject: net/softnic: support flow validate X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=8364aa4734210806aced02525c06d52bc3162375;p=dpdk.git net/softnic: support flow validate Start adding flow api operations. Started with flow validate api support by adding below basic infrastructure. flow_pipeline_table_get() pmd_flow_validate() Additional flow validate changes will be added in next patches. Signed-off-by: Cristian Dumitrescu Signed-off-by: Reshma Pattan --- diff --git a/drivers/net/softnic/rte_eth_softnic.c b/drivers/net/softnic/rte_eth_softnic.c index 41c3a9b3ee..148b82ecb2 100644 --- a/drivers/net/softnic/rte_eth_softnic.c +++ b/drivers/net/softnic/rte_eth_softnic.c @@ -204,6 +204,21 @@ pmd_link_update(struct rte_eth_dev *dev __rte_unused, return 0; } +static int +pmd_filter_ctrl(struct rte_eth_dev *dev __rte_unused, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg) +{ + if (filter_type == RTE_ETH_FILTER_GENERIC && + filter_op == RTE_ETH_FILTER_GET) { + *(const void **)arg = &pmd_flow_ops; + return 0; + } + + return -ENOTSUP; +} + static int pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg) { @@ -221,6 +236,7 @@ static const struct eth_dev_ops pmd_ops = { .dev_infos_get = pmd_dev_infos_get, .rx_queue_setup = pmd_rx_queue_setup, .tx_queue_setup = pmd_tx_queue_setup, + .filter_ctrl = pmd_filter_ctrl, .tm_ops_get = pmd_tm_ops_get, }; diff --git a/drivers/net/softnic/rte_eth_softnic_flow.c b/drivers/net/softnic/rte_eth_softnic_flow.c index 843db7590f..f378903334 100644 --- a/drivers/net/softnic/rte_eth_softnic_flow.c +++ b/drivers/net/softnic/rte_eth_softnic_flow.c @@ -44,3 +44,115 @@ flow_attr_map_get(struct pmd_internals *softnic, return (ingress) ? &softnic->flow.ingress_map[group_id] : &softnic->flow.egress_map[group_id]; } + +static int +flow_pipeline_table_get(struct pmd_internals *softnic, + const struct rte_flow_attr *attr, + const char **pipeline_name, + uint32_t *table_id, + struct rte_flow_error *error) +{ + struct flow_attr_map *map; + + if (attr == NULL) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR, + NULL, + "Null attr"); + + if (!attr->ingress && !attr->egress) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, + attr, + "Ingress/egress not specified"); + + if (attr->ingress && attr->egress) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, + attr, + "Setting both ingress and egress is not allowed"); + + map = flow_attr_map_get(softnic, + attr->group, + attr->ingress); + if (map == NULL || + map->valid == 0) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_GROUP, + attr, + "Invalid group ID"); + + if (pipeline_name) + *pipeline_name = map->pipeline_name; + + if (table_id) + *table_id = map->table_id; + + return 0; +} + +static int +pmd_flow_validate(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item item[], + const struct rte_flow_action action[], + struct rte_flow_error *error) +{ + struct pmd_internals *softnic = dev->data->dev_private; + struct pipeline *pipeline; + const char *pipeline_name = NULL; + uint32_t table_id = 0; + int status; + + /* Check input parameters. */ + if (attr == NULL) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR, + NULL, "Null attr"); + + if (item == NULL) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, + "Null item"); + + if (action == NULL) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + NULL, + "Null action"); + + /* Identify the pipeline table to add this flow to. */ + status = flow_pipeline_table_get(softnic, attr, &pipeline_name, + &table_id, error); + if (status) + return status; + + pipeline = softnic_pipeline_find(softnic, pipeline_name); + if (pipeline == NULL) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + NULL, + "Invalid pipeline name"); + + if (table_id >= pipeline->n_tables) + return rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + NULL, + "Invalid pipeline table ID"); + + return 0; +} + +const struct rte_flow_ops pmd_flow_ops = { + .validate = pmd_flow_validate, +}; diff --git a/drivers/net/softnic/rte_eth_softnic_internals.h b/drivers/net/softnic/rte_eth_softnic_internals.h index 1857ec50d6..a1a2e1558b 100644 --- a/drivers/net/softnic/rte_eth_softnic_internals.h +++ b/drivers/net/softnic/rte_eth_softnic_internals.h @@ -569,6 +569,8 @@ flow_attr_map_get(struct pmd_internals *softnic, uint32_t group_id, int ingress); +extern const struct rte_flow_ops pmd_flow_ops; + /** * MEMPOOL */