common/mlx5: introduce common library
[dpdk.git] / drivers / net / mlx5 / mlx5_flow_verbs.c
index 23110f2..9231451 100644 (file)
 #include <rte_malloc.h>
 #include <rte_ip.h>
 
-#include "mlx5.h"
+#include <mlx5_glue.h>
+#include <mlx5_prm.h>
+
 #include "mlx5_defs.h"
+#include "mlx5.h"
 #include "mlx5_flow.h"
-#include "mlx5_glue.h"
-#include "mlx5_prm.h"
 #include "mlx5_rxtx.h"
 
 #define VERBS_SPEC_INNER(item_flags) \
@@ -191,7 +192,7 @@ flow_verbs_counter_query(struct rte_eth_dev *dev __rte_unused,
 {
 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) || \
        defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
-       if (flow->actions & MLX5_FLOW_ACTION_COUNT) {
+       if (flow->counter && flow->counter->cs) {
                struct rte_flow_query_count *qc = data;
                uint64_t counters[2] = {0, 0};
 #if defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42)
@@ -864,8 +865,8 @@ flow_verbs_translate_action_queue(struct mlx5_flow *dev_flow,
        const struct rte_flow_action_queue *queue = action->conf;
        struct rte_flow *flow = dev_flow->flow;
 
-       if (flow->queue)
-               (*flow->queue)[0] = queue->index;
+       if (flow->rss.queue)
+               (*flow->rss.queue)[0] = queue->index;
        flow->rss.queue_num = 1;
 }
 
@@ -889,16 +890,17 @@ flow_verbs_translate_action_rss(struct mlx5_flow *dev_flow,
        const uint8_t *rss_key;
        struct rte_flow *flow = dev_flow->flow;
 
-       if (flow->queue)
-               memcpy((*flow->queue), rss->queue,
+       if (flow->rss.queue)
+               memcpy((*flow->rss.queue), rss->queue,
                       rss->queue_num * sizeof(uint16_t));
        flow->rss.queue_num = rss->queue_num;
        /* NULL RSS key indicates default RSS key. */
        rss_key = !rss->key ? rss_hash_default_key : rss->key;
-       memcpy(flow->key, rss_key, MLX5_RSS_HASH_KEY_LEN);
-       /* RSS type 0 indicates default RSS type (ETH_RSS_IP). */
-       flow->rss.types = !rss->types ? ETH_RSS_IP : rss->types;
-       flow->rss.level = rss->level;
+       memcpy(flow->rss.key, rss_key, MLX5_RSS_HASH_KEY_LEN);
+       /*
+        * rss->level and rss.types should be set in advance when expanding
+        * items for RSS.
+        */
 }
 
 /**
@@ -1037,6 +1039,7 @@ flow_verbs_validate(struct rte_eth_dev *dev,
        uint64_t item_flags = 0;
        uint64_t last_item = 0;
        uint8_t next_protocol = 0xff;
+       uint16_t ether_type = 0;
 
        if (items == NULL)
                return -1;
@@ -1057,6 +1060,17 @@ flow_verbs_validate(struct rte_eth_dev *dev,
                                return ret;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L2 :
                                             MLX5_FLOW_LAYER_OUTER_L2;
+                       if (items->mask != NULL && items->spec != NULL) {
+                               ether_type =
+                                       ((const struct rte_flow_item_eth *)
+                                        items->spec)->type;
+                               ether_type &=
+                                       ((const struct rte_flow_item_eth *)
+                                        items->mask)->type;
+                               ether_type = rte_be_to_cpu_16(ether_type);
+                       } else {
+                               ether_type = 0;
+                       }
                        break;
                case RTE_FLOW_ITEM_TYPE_VLAN:
                        ret = mlx5_flow_validate_item_vlan(items, item_flags,
@@ -1067,10 +1081,23 @@ flow_verbs_validate(struct rte_eth_dev *dev,
                                              MLX5_FLOW_LAYER_INNER_VLAN) :
                                             (MLX5_FLOW_LAYER_OUTER_L2 |
                                              MLX5_FLOW_LAYER_OUTER_VLAN);
+                       if (items->mask != NULL && items->spec != NULL) {
+                               ether_type =
+                                       ((const struct rte_flow_item_vlan *)
+                                        items->spec)->inner_type;
+                               ether_type &=
+                                       ((const struct rte_flow_item_vlan *)
+                                        items->mask)->inner_type;
+                               ether_type = rte_be_to_cpu_16(ether_type);
+                       } else {
+                               ether_type = 0;
+                       }
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV4:
                        ret = mlx5_flow_validate_item_ipv4(items, item_flags,
-                                                          NULL, error);
+                                                          last_item,
+                                                          ether_type, NULL,
+                                                          error);
                        if (ret < 0)
                                return ret;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV4 :
@@ -1091,7 +1118,9 @@ flow_verbs_validate(struct rte_eth_dev *dev,
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV6:
                        ret = mlx5_flow_validate_item_ipv6(items, item_flags,
-                                                          NULL, error);
+                                                          last_item,
+                                                          ether_type, NULL,
+                                                          error);
                        if (ret < 0)
                                return ret;
                        last_item = tunnel ? MLX5_FLOW_LAYER_INNER_L3_IPV6 :
@@ -1227,6 +1256,18 @@ flow_verbs_validate(struct rte_eth_dev *dev,
                                                  "action not supported");
                }
        }
+       /*
+        * Validate the drop action mutual exclusion with other actions.
+        * Drop action is mutually-exclusive with any other action, except for
+        * Count action.
+        */
+       if ((action_flags & MLX5_FLOW_ACTION_DROP) &&
+           (action_flags & ~(MLX5_FLOW_ACTION_DROP | MLX5_FLOW_ACTION_COUNT)))
+               return rte_flow_error_set(error, EINVAL,
+                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
+                                         "Drop action is mutually-exclusive "
+                                         "with any other action, except for "
+                                         "Count action");
        if (!(action_flags & MLX5_FLOW_FATE_ACTIONS))
                return rte_flow_error_set(error, EINVAL,
                                          RTE_FLOW_ERROR_TYPE_ACTION, actions,
@@ -1365,22 +1406,23 @@ flow_verbs_prepare(const struct rte_flow_attr *attr __rte_unused,
                   const struct rte_flow_action actions[],
                   struct rte_flow_error *error)
 {
-       uint32_t size = sizeof(struct mlx5_flow) + sizeof(struct ibv_flow_attr);
-       struct mlx5_flow *flow;
+       size_t size = sizeof(struct mlx5_flow) + sizeof(struct ibv_flow_attr);
+       struct mlx5_flow *dev_flow;
 
        size += flow_verbs_get_actions_size(actions);
        size += flow_verbs_get_items_size(items);
-       flow = rte_calloc(__func__, 1, size, 0);
-       if (!flow) {
+       dev_flow = rte_calloc(__func__, 1, size, 0);
+       if (!dev_flow) {
                rte_flow_error_set(error, ENOMEM,
                                   RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
                                   "not enough memory to create flow");
                return NULL;
        }
-       flow->verbs.attr = (void *)(flow + 1);
-       flow->verbs.specs =
-               (uint8_t *)(flow + 1) + sizeof(struct ibv_flow_attr);
-       return flow;
+       dev_flow->verbs.attr = (void *)(dev_flow + 1);
+       dev_flow->verbs.specs = (void *)(dev_flow->verbs.attr + 1);
+       dev_flow->ingress = attr->ingress;
+       dev_flow->transfer = attr->transfer;
+       return dev_flow;
 }
 
 /**
@@ -1410,7 +1452,6 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                     const struct rte_flow_action actions[],
                     struct rte_flow_error *error)
 {
-       struct rte_flow *flow = dev_flow->flow;
        uint64_t item_flags = 0;
        uint64_t action_flags = 0;
        uint64_t priority = attr->priority;
@@ -1460,7 +1501,7 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                                                  "action not supported");
                }
        }
-       flow->actions = action_flags;
+       dev_flow->actions = action_flags;
        for (; items->type != RTE_FLOW_ITEM_TYPE_END; items++) {
                int tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL);
 
@@ -1487,7 +1528,7 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                        flow_verbs_translate_item_ipv4(dev_flow, items,
                                                       item_flags);
                        subpriority = MLX5_PRIORITY_MAP_L3;
-                       dev_flow->verbs.hash_fields |=
+                       dev_flow->hash_fields |=
                                mlx5_flow_hashfields_adjust
                                        (dev_flow, tunnel,
                                         MLX5_IPV4_LAYER_TYPES,
@@ -1499,7 +1540,7 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                        flow_verbs_translate_item_ipv6(dev_flow, items,
                                                       item_flags);
                        subpriority = MLX5_PRIORITY_MAP_L3;
-                       dev_flow->verbs.hash_fields |=
+                       dev_flow->hash_fields |=
                                mlx5_flow_hashfields_adjust
                                        (dev_flow, tunnel,
                                         MLX5_IPV6_LAYER_TYPES,
@@ -1511,7 +1552,7 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                        flow_verbs_translate_item_tcp(dev_flow, items,
                                                      item_flags);
                        subpriority = MLX5_PRIORITY_MAP_L4;
-                       dev_flow->verbs.hash_fields |=
+                       dev_flow->hash_fields |=
                                mlx5_flow_hashfields_adjust
                                        (dev_flow, tunnel, ETH_RSS_TCP,
                                         (IBV_RX_HASH_SRC_PORT_TCP |
@@ -1523,7 +1564,7 @@ flow_verbs_translate(struct rte_eth_dev *dev,
                        flow_verbs_translate_item_udp(dev_flow, items,
                                                      item_flags);
                        subpriority = MLX5_PRIORITY_MAP_L4;
-                       dev_flow->verbs.hash_fields |=
+                       dev_flow->hash_fields |=
                                mlx5_flow_hashfields_adjust
                                        (dev_flow, tunnel, ETH_RSS_UDP,
                                         (IBV_RX_HASH_SRC_PORT_UDP |
@@ -1592,7 +1633,7 @@ flow_verbs_remove(struct rte_eth_dev *dev, struct rte_flow *flow)
                        verbs->flow = NULL;
                }
                if (verbs->hrxq) {
-                       if (flow->actions & MLX5_FLOW_ACTION_DROP)
+                       if (dev_flow->actions & MLX5_FLOW_ACTION_DROP)
                                mlx5_hrxq_drop_release(dev);
                        else
                                mlx5_hrxq_release(dev, verbs->hrxq);
@@ -1656,7 +1697,7 @@ flow_verbs_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
 
        LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
                verbs = &dev_flow->verbs;
-               if (flow->actions & MLX5_FLOW_ACTION_DROP) {
+               if (dev_flow->actions & MLX5_FLOW_ACTION_DROP) {
                        verbs->hrxq = mlx5_hrxq_drop_new(dev);
                        if (!verbs->hrxq) {
                                rte_flow_error_set
@@ -1668,16 +1709,17 @@ flow_verbs_apply(struct rte_eth_dev *dev, struct rte_flow *flow,
                } else {
                        struct mlx5_hrxq *hrxq;
 
-                       hrxq = mlx5_hrxq_get(dev, flow->key,
+                       assert(flow->rss.queue);
+                       hrxq = mlx5_hrxq_get(dev, flow->rss.key,
                                             MLX5_RSS_HASH_KEY_LEN,
-                                            verbs->hash_fields,
-                                            (*flow->queue),
+                                            dev_flow->hash_fields,
+                                            (*flow->rss.queue),
                                             flow->rss.queue_num);
                        if (!hrxq)
-                               hrxq = mlx5_hrxq_new(dev, flow->key,
+                               hrxq = mlx5_hrxq_new(dev, flow->rss.key,
                                                     MLX5_RSS_HASH_KEY_LEN,
-                                                    verbs->hash_fields,
-                                                    (*flow->queue),
+                                                    dev_flow->hash_fields,
+                                                    (*flow->rss.queue),
                                                     flow->rss.queue_num,
                                                     !!(dev_flow->layers &
                                                       MLX5_FLOW_LAYER_TUNNEL));
@@ -1717,7 +1759,7 @@ error:
        LIST_FOREACH(dev_flow, &flow->dev_flows, next) {
                verbs = &dev_flow->verbs;
                if (verbs->hrxq) {
-                       if (flow->actions & MLX5_FLOW_ACTION_DROP)
+                       if (dev_flow->actions & MLX5_FLOW_ACTION_DROP)
                                mlx5_hrxq_drop_release(dev);
                        else
                                mlx5_hrxq_release(dev, verbs->hrxq);