#include <cnxk_rte_flow.h>
#include "cn10k_rte_flow.h"
#include "cn10k_ethdev.h"
+#include "cn10k_rx.h"
+
+static int
+cn10k_mtr_connect(struct rte_eth_dev *eth_dev, uint32_t mtr_id)
+{
+ return nix_mtr_connect(eth_dev, mtr_id);
+}
+
+static int
+cn10k_mtr_destroy(struct rte_eth_dev *eth_dev, uint32_t mtr_id)
+{
+ struct rte_mtr_error mtr_error;
+
+ return nix_mtr_destroy(eth_dev, mtr_id, &mtr_error);
+}
+
+static int
+cn10k_mtr_configure(struct rte_eth_dev *eth_dev,
+ const struct rte_flow_action actions[])
+{
+ uint32_t mtr_id = 0xffff, prev_mtr_id = 0xffff, next_mtr_id = 0xffff;
+ const struct rte_flow_action_meter *mtr_conf;
+ const struct rte_flow_action_queue *q_conf;
+ const struct rte_flow_action_rss *rss_conf;
+ struct cnxk_mtr_policy_node *policy;
+ bool is_mtr_act = false;
+ int tree_level = 0;
+ int rc = -EINVAL, i;
+
+ for (i = 0; actions[i].type != RTE_FLOW_ACTION_TYPE_END; i++) {
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_METER) {
+ mtr_conf = (const struct rte_flow_action_meter
+ *)(actions[i].conf);
+ mtr_id = mtr_conf->mtr_id;
+ is_mtr_act = true;
+ }
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_QUEUE) {
+ q_conf = (const struct rte_flow_action_queue
+ *)(actions[i].conf);
+ if (is_mtr_act)
+ nix_mtr_rq_update(eth_dev, mtr_id, 1,
+ &q_conf->index);
+ }
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_RSS) {
+ rss_conf = (const struct rte_flow_action_rss
+ *)(actions[i].conf);
+ if (is_mtr_act)
+ nix_mtr_rq_update(eth_dev, mtr_id,
+ rss_conf->queue_num,
+ rss_conf->queue);
+ }
+ }
+
+ if (!is_mtr_act)
+ return rc;
+
+ prev_mtr_id = mtr_id;
+ next_mtr_id = mtr_id;
+ while (next_mtr_id != 0xffff) {
+ rc = nix_mtr_validate(eth_dev, next_mtr_id);
+ if (rc)
+ return rc;
+
+ rc = nix_mtr_policy_act_get(eth_dev, next_mtr_id, &policy);
+ if (rc)
+ return rc;
+
+ rc = nix_mtr_color_action_validate(eth_dev, mtr_id,
+ &prev_mtr_id, &next_mtr_id,
+ policy, &tree_level);
+ if (rc)
+ return rc;
+ }
+
+ return nix_mtr_configure(eth_dev, mtr_id);
+}
+
+static int
+cn10k_rss_action_validate(struct rte_eth_dev *eth_dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_action *act)
+{
+ const struct rte_flow_action_rss *rss;
+
+ if (act == NULL)
+ return -EINVAL;
+
+ rss = (const struct rte_flow_action_rss *)act->conf;
+
+ if (attr->egress) {
+ plt_err("No support of RSS in egress");
+ return -EINVAL;
+ }
+
+ if (eth_dev->data->dev_conf.rxmode.mq_mode != RTE_ETH_MQ_RX_RSS) {
+ plt_err("multi-queue mode is disabled");
+ return -ENOTSUP;
+ }
+
+ if (!rss || !rss->queue_num) {
+ plt_err("no valid queues");
+ return -EINVAL;
+ }
+
+ if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT) {
+ plt_err("non-default RSS hash functions are not supported");
+ return -ENOTSUP;
+ }
+
+ if (rss->key_len && rss->key_len > ROC_NIX_RSS_KEY_LEN) {
+ plt_err("RSS hash key too large");
+ return -ENOTSUP;
+ }
+
+ return 0;
+}
struct rte_flow *
cn10k_flow_create(struct rte_eth_dev *eth_dev, const struct rte_flow_attr *attr,
const struct rte_flow_action actions[],
struct rte_flow_error *error)
{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ const struct rte_flow_action *action_rss = NULL;
+ const struct rte_flow_action_meter *mtr = NULL;
+ const struct rte_flow_action *act_q = NULL;
+ int mark_actions = 0, vtag_actions = 0;
+ struct roc_npc *npc = &dev->npc;
struct roc_npc_flow *flow;
+ uint32_t req_act = 0;
+ int i, rc;
+
+ for (i = 0; actions[i].type != RTE_FLOW_ACTION_TYPE_END; i++) {
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_METER)
+ req_act |= ROC_NPC_ACTION_TYPE_METER;
+
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_QUEUE) {
+ req_act |= ROC_NPC_ACTION_TYPE_QUEUE;
+ act_q = &actions[i];
+ }
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_RSS) {
+ req_act |= ROC_NPC_ACTION_TYPE_RSS;
+ action_rss = &actions[i];
+ }
+ }
+
+ if (req_act & ROC_NPC_ACTION_TYPE_METER) {
+ if ((req_act & ROC_NPC_ACTION_TYPE_RSS) &&
+ ((req_act & ROC_NPC_ACTION_TYPE_QUEUE))) {
+ return NULL;
+ }
+ if (req_act & ROC_NPC_ACTION_TYPE_RSS) {
+ rc = cn10k_rss_action_validate(eth_dev, attr,
+ action_rss);
+ if (rc)
+ return NULL;
+ } else if (req_act & ROC_NPC_ACTION_TYPE_QUEUE) {
+ const struct rte_flow_action_queue *act_queue;
+ act_queue = (const struct rte_flow_action_queue *)
+ act_q->conf;
+ if (act_queue->index > eth_dev->data->nb_rx_queues)
+ return NULL;
+ } else {
+ return NULL;
+ }
+ }
+ for (i = 0; actions[i].type != RTE_FLOW_ACTION_TYPE_END; i++) {
+ if (actions[i].type == RTE_FLOW_ACTION_TYPE_METER) {
+ mtr = (const struct rte_flow_action_meter *)actions[i]
+ .conf;
+ rc = cn10k_mtr_configure(eth_dev, actions);
+ if (rc) {
+ rte_flow_error_set(error, rc,
+ RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+ "Failed to configure mtr ");
+ return NULL;
+ }
+ break;
+ }
+ }
flow = cnxk_flow_create(eth_dev, attr, pattern, actions, error);
- if (!flow)
+ if (!flow) {
+ if (mtr)
+ nix_mtr_chain_reset(eth_dev, mtr->mtr_id);
+
return NULL;
+ } else {
+ if (mtr)
+ cn10k_mtr_connect(eth_dev, mtr->mtr_id);
+ }
+
+ mark_actions = roc_npc_mark_actions_get(npc);
+
+ if (mark_actions) {
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_MARK_UPDATE_F;
+ cn10k_eth_set_rx_function(eth_dev);
+ }
+
+ vtag_actions = roc_npc_vtag_actions_get(npc);
+
+ if (vtag_actions) {
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
+ cn10k_eth_set_rx_function(eth_dev);
+ }
return (struct rte_flow *)flow;
}
struct rte_flow_error *error)
{
struct roc_npc_flow *flow = (struct roc_npc_flow *)rte_flow;
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ int mark_actions = 0, vtag_actions = 0;
+ struct roc_npc *npc = &dev->npc;
+ uint32_t mtr_id;
+ int rc;
+
+ mark_actions = roc_npc_mark_actions_get(npc);
+ if (mark_actions) {
+ mark_actions = roc_npc_mark_actions_sub_return(npc, 1);
+ if (mark_actions == 0) {
+ dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_MARK_UPDATE_F;
+ cn10k_eth_set_rx_function(eth_dev);
+ }
+ }
+
+ vtag_actions = roc_npc_vtag_actions_get(npc);
+ if (vtag_actions) {
+ if (flow->nix_intf == ROC_NPC_INTF_RX) {
+ vtag_actions = roc_npc_vtag_actions_sub_return(npc, 1);
+ if (vtag_actions == 0) {
+ dev->rx_offload_flags &=
+ ~NIX_RX_OFFLOAD_VLAN_STRIP_F;
+ cn10k_eth_set_rx_function(eth_dev);
+ }
+ }
+ }
- return cnxk_flow_destroy(eth_dev, flow, error);
+ mtr_id = flow->mtr_id;
+ rc = cnxk_flow_destroy(eth_dev, flow, error);
+ if (!rc && mtr_id != ROC_NIX_MTR_ID_INVALID) {
+ rc = cn10k_mtr_destroy(eth_dev, mtr_id);
+ if (rc) {
+ rte_flow_error_set(error, ENXIO,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Meter attached to this flow does not exist");
+ }
+ }
+ return rc;
}