X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fmlx5%2Fmlx5_flow.c;h=ec179bd302029450f52a2b350c3bbfeef7ad1770;hb=7fe24446e946;hp=452fde58895d2f1103d0623876b81f564b5c68a4;hpb=7bb5fa069d50b283ccb0096da6778d4af772f10d;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 452fde5889..ec179bd302 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -50,6 +50,7 @@
 #include <rte_malloc.h>
 
 #include "mlx5.h"
+#include "mlx5_defs.h"
 #include "mlx5_prm.h"
 
 /* Define minimal priority for control plane flows. */
@@ -250,11 +251,8 @@ struct rte_flow {
 	uint8_t rss_key[40]; /**< copy of the RSS key. */
 	struct ibv_counter_set *cs; /**< Holds the counters for the rule. */
 	struct mlx5_flow_counter_stats counter_stats;/**<The counter stats. */
-	union {
-		struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
-		/**< Flow with Rx queue. */
-		struct mlx5_flow_drop drxq; /**< Flow with drop Rx queue. */
-	};
+	struct mlx5_flow frxq[RTE_DIM(hash_rxq_init)];
+	/**< Flow with Rx queue. */
 };
 
 /** Static initializer for items. */
@@ -432,6 +430,7 @@ static const struct mlx5_flow_items mlx5_flow_items[] = {
 /** Structure to pass to the conversion function. */
 struct mlx5_flow_parse {
 	uint32_t inner; /**< Set once VXLAN is encountered. */
+	uint32_t allmulti:1; /**< Set once allmulti dst MAC is encountered. */
 	uint32_t create:1;
 	/**< Whether resources should remain after a validate. */
 	uint32_t drop:1; /**< Target is a drop queue. */
@@ -444,20 +443,12 @@ struct mlx5_flow_parse {
 	uint8_t rss_key[40]; /**< copy of the RSS key. */
 	enum hash_rxq_type layer; /**< Last pattern layer detected. */
 	struct ibv_counter_set *cs; /**< Holds the counter set for the rule */
-	union {
-		struct {
-			struct ibv_flow_attr *ibv_attr;
-			/**< Pointer to Verbs attributes. */
-			unsigned int offset;
-			/**< Current position or total size of the attribute. */
-		} queue[RTE_DIM(hash_rxq_init)];
-		struct {
-			struct ibv_flow_attr *ibv_attr;
-			/**< Pointer to Verbs attributes. */
-			unsigned int offset;
-			/**< Current position or total size of the attribute. */
-		} drop_q;
-	};
+	struct {
+		struct ibv_flow_attr *ibv_attr;
+		/**< Pointer to Verbs attributes. */
+		unsigned int offset;
+		/**< Current position or total size of the attribute. */
+	} queue[RTE_DIM(hash_rxq_init)];
 };
 
 static const struct rte_flow_ops mlx5_flow_ops = {
@@ -479,6 +470,7 @@ struct mlx5_fdir {
 	struct rte_flow_action actions[2];
 	struct rte_flow_item items[4];
 	struct rte_flow_item_eth l2;
+	struct rte_flow_item_eth l2_mask;
 	union {
 		struct rte_flow_item_ipv4 ipv4;
 		struct rte_flow_item_ipv6 ipv6;
@@ -577,9 +569,15 @@ priv_flow_convert_rss_conf(struct priv *priv,
 			   struct mlx5_flow_parse *parser,
 			   const struct rte_eth_rss_conf *rss_conf)
 {
-	const struct rte_eth_rss_conf *rss =
-		rss_conf ? rss_conf : &priv->rss_conf;
+	const struct rte_eth_rss_conf *rss;
 
+	if (rss_conf) {
+		if (rss_conf->rss_hf & MLX5_RSS_HF_MASK)
+			return EINVAL;
+		rss = rss_conf;
+	} else {
+		rss = &priv->rss_conf;
+	}
 	if (rss->rss_key_len > 40)
 		return EINVAL;
 	parser->rss_conf.rss_key_len = rss->rss_key_len;
@@ -780,12 +778,14 @@ priv_flow_convert_actions(struct priv *priv,
 		} else if (actions->type == RTE_FLOW_ACTION_TYPE_FLAG) {
 			parser->mark = 1;
 		} else if (actions->type == RTE_FLOW_ACTION_TYPE_COUNT &&
-			   priv->counter_set_supported) {
+			   priv->config.counter_set_supported) {
 			parser->count = 1;
 		} else {
 			goto exit_action_not_supported;
 		}
 	}
+	if (parser->drop && parser->mark)
+		parser->mark = 0;
 	if (!parser->queues_n && !parser->drop) {
 		rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_HANDLE,
 				   NULL, "no valid action");
@@ -824,12 +824,8 @@ priv_flow_convert_items_validate(struct priv *priv,
 
 	(void)priv;
 	/* Initialise the offsets to start after verbs attribute. */
-	if (parser->drop) {
-		parser->drop_q.offset = sizeof(struct ibv_flow_attr);
-	} else {
-		for (i = 0; i != hash_rxq_init_n; ++i)
-			parser->queue[i].offset = sizeof(struct ibv_flow_attr);
-	}
+	for (i = 0; i != hash_rxq_init_n; ++i)
+		parser->queue[i].offset = sizeof(struct ibv_flow_attr);
 	for (; items->type != RTE_FLOW_ITEM_TYPE_END; ++items) {
 		const struct mlx5_flow_items *token = NULL;
 		unsigned int n;
@@ -863,11 +859,9 @@ priv_flow_convert_items_validate(struct priv *priv,
 						   " VXLAN encapsulations");
 				return -rte_errno;
 			}
-			parser->inner = 1;
+			parser->inner = IBV_FLOW_SPEC_INNER;
 		}
-		if (parser->drop) {
-			parser->drop_q.offset += cur_item->dst_sz;
-		} else if (parser->queues_n == 1) {
+		if (parser->drop || parser->queues_n == 1) {
 			parser->queue[HASH_RXQ_ETH].offset += cur_item->dst_sz;
 		} else {
 			for (n = 0; n != hash_rxq_init_n; ++n)
@@ -882,12 +876,8 @@ priv_flow_convert_items_validate(struct priv *priv,
 	if (parser->count) {
 		unsigned int size = sizeof(struct ibv_flow_spec_counter_action);
 
-		if (parser->drop) {
-			parser->drop_q.offset += size;
-		} else {
-			for (i = 0; i != hash_rxq_init_n; ++i)
-				parser->queue[i].offset += size;
-		}
+		for (i = 0; i != hash_rxq_init_n; ++i)
+			parser->queue[i].offset += size;
 	}
 	return 0;
 exit_item_not_supported:
@@ -1007,15 +997,13 @@ fill:
 			if (hash_rxq_init[i].ip_version == MLX5_IPV4) {
 				size = sizeof(struct ibv_flow_spec_ipv4_ext);
 				specs.ipv4 = (struct ibv_flow_spec_ipv4_ext){
-					.type = IBV_FLOW_SPEC_IPV4_EXT |
-						parser->inner,
+					.type = IBV_FLOW_SPEC_IPV4_EXT,
 					.size = size,
 				};
 			} else {
 				size = sizeof(struct ibv_flow_spec_ipv6);
 				specs.ipv6 = (struct ibv_flow_spec_ipv6){
-					.type = IBV_FLOW_SPEC_IPV6 |
-						parser->inner,
+					.type = IBV_FLOW_SPEC_IPV6,
 					.size = size,
 				};
 			}
@@ -1035,8 +1023,7 @@ fill:
 				.type = ((i == HASH_RXQ_UDPV4 ||
 					  i == HASH_RXQ_UDPV6) ?
 					 IBV_FLOW_SPEC_UDP :
-					 IBV_FLOW_SPEC_TCP) |
-					parser->inner,
+					 IBV_FLOW_SPEC_TCP),
 				.size = size,
 			};
 			if (parser->queue[i].ibv_attr) {
@@ -1102,15 +1089,7 @@ priv_flow_convert(struct priv *priv,
 	 * Second step.
 	 * Allocate the memory space to store verbs specifications.
 	 */
-	if (parser->drop) {
-		parser->drop_q.ibv_attr =
-			priv_flow_convert_allocate(priv, attr->priority,
-						   parser->drop_q.offset,
-						   error);
-		if (!parser->drop_q.ibv_attr)
-			return ENOMEM;
-		parser->drop_q.offset = sizeof(struct ibv_flow_attr);
-	} else if (parser->queues_n == 1) {
+	if (parser->drop || parser->queues_n == 1) {
 		unsigned int priority =
 			attr->priority +
 			hash_rxq_init[HASH_RXQ_ETH].flow_priority;
@@ -1155,7 +1134,7 @@ priv_flow_convert(struct priv *priv,
 					 cur_item->mask),
 					parser);
 		if (ret) {
-			rte_flow_error_set(error, ENOTSUP,
+			rte_flow_error_set(error, ret,
 					   RTE_FLOW_ERROR_TYPE_ITEM,
 					   items, "item not supported");
 			goto exit_free;
@@ -1174,7 +1153,7 @@ priv_flow_convert(struct priv *priv,
 	 */
 	if (parser->queues_n > 1) {
 		priv_flow_convert_finalise(priv, parser);
-	} else if (!parser->drop) {
+	} else {
 		/*
 		 * Action queue have their priority overridden with
 		 * Ethernet priority, this priority needs to be adjusted to
@@ -1187,10 +1166,6 @@ priv_flow_convert(struct priv *priv,
 exit_free:
 	/* Only verification is expected, all resources should be released. */
 	if (!parser->create) {
-		if (parser->drop) {
-			rte_free(parser->drop_q.ibv_attr);
-			parser->drop_q.ibv_attr = NULL;
-		}
 		for (i = 0; i != hash_rxq_init_n; ++i) {
 			if (parser->queue[i].ibv_attr) {
 				rte_free(parser->queue[i].ibv_attr);
@@ -1198,6 +1173,17 @@ exit_free:
 			}
 		}
 	}
+	if (parser->allmulti &&
+	    parser->layer == HASH_RXQ_ETH) {
+		for (i = 0; i != hash_rxq_init_n; ++i) {
+			if (!parser->queue[i].ibv_attr)
+				continue;
+			if (parser->queue[i].ibv_attr->num_of_specs != 1)
+				break;
+			parser->queue[i].ibv_attr->type =
+						IBV_FLOW_ATTR_MC_DEFAULT;
+		}
+	}
 	return ret;
 exit_enomem:
 	for (i = 0; i != hash_rxq_init_n; ++i) {
@@ -1232,14 +1218,6 @@ mlx5_flow_create_copy(struct mlx5_flow_parse *parser, void *src,
 	unsigned int i;
 	void *dst;
 
-	if (parser->drop) {
-		dst = (void *)((uintptr_t)parser->drop_q.ibv_attr +
-				parser->drop_q.offset);
-		memcpy(dst, src, size);
-		++parser->drop_q.ibv_attr->num_of_specs;
-		parser->drop_q.offset += size;
-		return;
-	}
 	for (i = 0; i != hash_rxq_init_n; ++i) {
 		if (!parser->queue[i].ibv_attr)
 			continue;
@@ -1281,7 +1259,9 @@ mlx5_flow_create_eth(const struct rte_flow_item *item,
 		.size = eth_size,
 	};
 
-	parser->layer = HASH_RXQ_ETH;
+	/* Don't update layer for the inner pattern. */
+	if (!parser->inner)
+		parser->layer = HASH_RXQ_ETH;
 	if (spec) {
 		unsigned int i;
 
@@ -1301,6 +1281,7 @@ mlx5_flow_create_eth(const struct rte_flow_item *item,
 		eth.val.ether_type &= eth.mask.ether_type;
 	}
 	mlx5_flow_create_copy(parser, &eth, eth_size);
+	parser->allmulti = eth.val.dst_mac[0] & 1;
 	return 0;
 }
 
@@ -1330,14 +1311,6 @@ mlx5_flow_create_vlan(const struct rte_flow_item *item,
 		if (!mask)
 			mask = default_mask;
 
-		if (parser->drop) {
-			eth = (void *)((uintptr_t)parser->drop_q.ibv_attr +
-				       parser->drop_q.offset - eth_size);
-			eth->val.vlan_tag = spec->tci;
-			eth->mask.vlan_tag = mask->tci;
-			eth->val.vlan_tag &= eth->mask.vlan_tag;
-			return 0;
-		}
 		for (i = 0; i != hash_rxq_init_n; ++i) {
 			if (!parser->queue[i].ibv_attr)
 				continue;
@@ -1376,7 +1349,9 @@ mlx5_flow_create_ipv4(const struct rte_flow_item *item,
 		.size = ipv4_size,
 	};
 
-	parser->layer = HASH_RXQ_IPV4;
+	/* Don't update layer for the inner pattern. */
+	if (!parser->inner)
+		parser->layer = HASH_RXQ_IPV4;
 	if (spec) {
 		if (!mask)
 			mask = default_mask;
@@ -1426,7 +1401,9 @@ mlx5_flow_create_ipv6(const struct rte_flow_item *item,
 		.size = ipv6_size,
 	};
 
-	parser->layer = HASH_RXQ_IPV6;
+	/* Don't update layer for the inner pattern. */
+	if (!parser->inner)
+		parser->layer = HASH_RXQ_IPV6;
 	if (spec) {
 		unsigned int i;
 
@@ -1480,10 +1457,13 @@ mlx5_flow_create_udp(const struct rte_flow_item *item,
 		.size = udp_size,
 	};
 
-	if (parser->layer == HASH_RXQ_IPV4)
-		parser->layer = HASH_RXQ_UDPV4;
-	else
-		parser->layer = HASH_RXQ_UDPV6;
+	/* Don't update layer for the inner pattern. */
+	if (!parser->inner) {
+		if (parser->layer == HASH_RXQ_IPV4)
+			parser->layer = HASH_RXQ_UDPV4;
+		else
+			parser->layer = HASH_RXQ_UDPV6;
+	}
 	if (spec) {
 		if (!mask)
 			mask = default_mask;
@@ -1523,10 +1503,13 @@ mlx5_flow_create_tcp(const struct rte_flow_item *item,
 		.size = tcp_size,
 	};
 
-	if (parser->layer == HASH_RXQ_IPV4)
-		parser->layer = HASH_RXQ_TCPV4;
-	else
-		parser->layer = HASH_RXQ_TCPV6;
+	/* Don't update layer for the inner pattern. */
+	if (!parser->inner) {
+		if (parser->layer == HASH_RXQ_IPV4)
+			parser->layer = HASH_RXQ_TCPV4;
+		else
+			parser->layer = HASH_RXQ_TCPV6;
+	}
 	if (spec) {
 		if (!mask)
 			mask = default_mask;
@@ -1582,6 +1565,16 @@ mlx5_flow_create_vxlan(const struct rte_flow_item *item,
 		/* Remove unwanted bits from values. */
 		vxlan.val.tunnel_id &= vxlan.mask.tunnel_id;
 	}
+	/*
+	 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
+	 * layer is defined in the Verbs specification it is interpreted as
+	 * wildcard and all packets will match this rule, if it follows a full
+	 * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
+	 * before will also match this rule.
+	 * To avoid such situation, VNI 0 is currently refused.
+	 */
+	if (!vxlan.val.tunnel_id)
+		return EINVAL;
 	mlx5_flow_create_copy(parser, &vxlan, size);
 	return 0;
 }
@@ -1671,23 +1664,25 @@ priv_flow_create_action_queue_drop(struct priv *priv,
 	assert(priv->pd);
 	assert(priv->ctx);
 	flow->drop = 1;
-	drop = (void *)((uintptr_t)parser->drop_q.ibv_attr +
-			parser->drop_q.offset);
+	drop = (void *)((uintptr_t)parser->queue[HASH_RXQ_ETH].ibv_attr +
+			parser->queue[HASH_RXQ_ETH].offset);
 	*drop = (struct ibv_flow_spec_action_drop){
 			.type = IBV_FLOW_SPEC_ACTION_DROP,
 			.size = size,
 	};
-	++parser->drop_q.ibv_attr->num_of_specs;
-	parser->drop_q.offset += size;
-	if (!priv->dev->data->dev_started)
-		return 0;
-	flow->drxq.ibv_attr = parser->drop_q.ibv_attr;
-	parser->drop_q.ibv_attr = NULL;
-	flow->drxq.ibv_flow = ibv_create_flow(priv->flow_drop_queue->qp,
-					      flow->drxq.ibv_attr);
+	++parser->queue[HASH_RXQ_ETH].ibv_attr->num_of_specs;
+	parser->queue[HASH_RXQ_ETH].offset += size;
+	flow->frxq[HASH_RXQ_ETH].ibv_attr =
+		parser->queue[HASH_RXQ_ETH].ibv_attr;
 	if (parser->count)
 		flow->cs = parser->cs;
-	if (!flow->drxq.ibv_flow) {
+	if (!priv->dev->data->dev_started)
+		return 0;
+	parser->queue[HASH_RXQ_ETH].ibv_attr = NULL;
+	flow->frxq[HASH_RXQ_ETH].ibv_flow =
+		ibv_create_flow(priv->flow_drop_queue->qp,
+				flow->frxq[HASH_RXQ_ETH].ibv_attr);
+	if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
 		rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_HANDLE,
 				   NULL, "flow rule creation failure");
 		err = ENOMEM;
@@ -1696,13 +1691,13 @@ priv_flow_create_action_queue_drop(struct priv *priv,
 	return 0;
 error:
 	assert(flow);
-	if (flow->drxq.ibv_flow) {
-		claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
-		flow->drxq.ibv_flow = NULL;
+	if (flow->frxq[HASH_RXQ_ETH].ibv_flow) {
+		claim_zero(ibv_destroy_flow(flow->frxq[HASH_RXQ_ETH].ibv_flow));
+		flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
 	}
-	if (flow->drxq.ibv_attr) {
-		rte_free(flow->drxq.ibv_attr);
-		flow->drxq.ibv_attr = NULL;
+	if (flow->frxq[HASH_RXQ_ETH].ibv_attr) {
+		rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
+		flow->frxq[HASH_RXQ_ETH].ibv_attr = NULL;
 	}
 	if (flow->cs) {
 		claim_zero(ibv_destroy_counter_set(flow->cs));
@@ -1751,7 +1746,7 @@ priv_flow_create_action_queue_rss(struct priv *priv,
 					   parser->rss_conf.rss_key_len,
 					   hash_fields,
 					   parser->queues,
-					   hash_fields ? parser->queues_n : 1);
+					   parser->queues_n);
 		if (flow->frxq[i].hrxq)
 			continue;
 		flow->frxq[i].hrxq =
@@ -1760,7 +1755,7 @@ priv_flow_create_action_queue_rss(struct priv *priv,
 					   parser->rss_conf.rss_key_len,
 					   hash_fields,
 					   parser->queues,
-					   hash_fields ? parser->queues_n : 1);
+					   parser->queues_n);
 		if (!flow->frxq[i].hrxq) {
 			rte_flow_error_set(error, ENOMEM,
 					   RTE_FLOW_ERROR_TYPE_HANDLE,
@@ -1900,6 +1895,7 @@ priv_flow_create(struct priv *priv,
 	flow->queues = (uint16_t (*)[])(flow + 1);
 	memcpy(flow->queues, parser.queues, parser.queues_n * sizeof(uint16_t));
 	flow->queues_n = parser.queues_n;
+	flow->mark = parser.mark;
 	/* Copy RSS configuration. */
 	flow->rss_conf = parser.rss_conf;
 	flow->rss_conf.rss_key = flow->rss_key;
@@ -1916,13 +1912,9 @@ priv_flow_create(struct priv *priv,
 	DEBUG("Flow created %p", (void *)flow);
 	return flow;
 exit:
-	if (parser.drop) {
-		rte_free(parser.drop_q.ibv_attr);
-	} else {
-		for (i = 0; i != hash_rxq_init_n; ++i) {
-			if (parser.queue[i].ibv_attr)
-				rte_free(parser.queue[i].ibv_attr);
-		}
+	for (i = 0; i != hash_rxq_init_n; ++i) {
+		if (parser.queue[i].ibv_attr)
+			rte_free(parser.queue[i].ibv_attr);
 	}
 	rte_free(flow);
 	return NULL;
@@ -1991,10 +1983,6 @@ priv_flow_destroy(struct priv *priv,
 {
 	unsigned int i;
 
-	if (flow->cs) {
-		claim_zero(ibv_destroy_counter_set(flow->cs));
-		flow->cs = NULL;
-	}
 	if (flow->drop || !flow->mark)
 		goto free;
 	for (i = 0; i != flow->queues_n; ++i) {
@@ -2028,9 +2016,10 @@ priv_flow_destroy(struct priv *priv,
 	}
 free:
 	if (flow->drop) {
-		if (flow->drxq.ibv_flow)
-			claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
-		rte_free(flow->drxq.ibv_attr);
+		if (flow->frxq[HASH_RXQ_ETH].ibv_flow)
+			claim_zero(ibv_destroy_flow
+				   (flow->frxq[HASH_RXQ_ETH].ibv_flow));
+		rte_free(flow->frxq[HASH_RXQ_ETH].ibv_attr);
 	} else {
 		for (i = 0; i != hash_rxq_init_n; ++i) {
 			struct mlx5_flow *frxq = &flow->frxq[i];
@@ -2043,6 +2032,10 @@ free:
 				rte_free(frxq->ibv_attr);
 		}
 	}
+	if (flow->cs) {
+		claim_zero(ibv_destroy_counter_set(flow->cs));
+		flow->cs = NULL;
+	}
 	TAILQ_REMOVE(list, flow, next);
 	DEBUG("Flow destroyed %p", (void *)flow);
 	rte_free(flow);
@@ -2195,10 +2188,11 @@ priv_flow_stop(struct priv *priv, struct mlx5_flows *list)
 		unsigned int i;
 
 		if (flow->drop) {
-			if (!flow->drxq.ibv_flow)
+			if (!flow->frxq[HASH_RXQ_ETH].ibv_flow)
 				continue;
-			claim_zero(ibv_destroy_flow(flow->drxq.ibv_flow));
-			flow->drxq.ibv_flow = NULL;
+			claim_zero(ibv_destroy_flow
+				   (flow->frxq[HASH_RXQ_ETH].ibv_flow));
+			flow->frxq[HASH_RXQ_ETH].ibv_flow = NULL;
 			/* Next flow. */
 			continue;
 		}
@@ -2246,10 +2240,11 @@ priv_flow_start(struct priv *priv, struct mlx5_flows *list)
 		unsigned int i;
 
 		if (flow->drop) {
-			flow->drxq.ibv_flow =
-				ibv_create_flow(priv->flow_drop_queue->qp,
-						flow->drxq.ibv_attr);
-			if (!flow->drxq.ibv_flow) {
+			flow->frxq[HASH_RXQ_ETH].ibv_flow =
+				ibv_create_flow
+				(priv->flow_drop_queue->qp,
+				 flow->frxq[HASH_RXQ_ETH].ibv_attr);
+			if (!flow->frxq[HASH_RXQ_ETH].ibv_flow) {
 				DEBUG("Flow %p cannot be applied",
 				      (void *)flow);
 				rte_errno = EINVAL;
@@ -2601,20 +2596,28 @@ priv_fdir_filter_convert(struct priv *priv,
 		ERROR("invalid queue number %d", fdir_filter->action.rx_queue);
 		return EINVAL;
 	}
-	/* Validate the behavior. */
-	if (fdir_filter->action.behavior != RTE_ETH_FDIR_ACCEPT) {
-		ERROR("invalid behavior %d", fdir_filter->action.behavior);
-		return ENOTSUP;
-	}
 	attributes->attr.ingress = 1;
 	attributes->items[0] = (struct rte_flow_item) {
 		.type = RTE_FLOW_ITEM_TYPE_ETH,
 		.spec = &attributes->l2,
+		.mask = &attributes->l2_mask,
 	};
-	attributes->actions[0] = (struct rte_flow_action){
-		.type = RTE_FLOW_ACTION_TYPE_QUEUE,
-		.conf = &attributes->queue,
-	};
+	switch (fdir_filter->action.behavior) {
+	case RTE_ETH_FDIR_ACCEPT:
+		attributes->actions[0] = (struct rte_flow_action){
+			.type = RTE_FLOW_ACTION_TYPE_QUEUE,
+			.conf = &attributes->queue,
+		};
+		break;
+	case RTE_ETH_FDIR_REJECT:
+		attributes->actions[0] = (struct rte_flow_action){
+			.type = RTE_FLOW_ACTION_TYPE_DROP,
+		};
+		break;
+	default:
+		ERROR("invalid behavior %d", fdir_filter->action.behavior);
+		return ENOTSUP;
+	}
 	attributes->queue.index = fdir_filter->action.rx_queue;
 	switch (fdir_filter->input.flow_type) {
 	case RTE_ETH_FLOW_NONFRAG_IPV4_UDP:
@@ -2716,7 +2719,7 @@ priv_fdir_filter_convert(struct priv *priv,
 			.spec = &attributes->l3,
 		};
 		attributes->items[2] = (struct rte_flow_item){
-			.type = RTE_FLOW_ITEM_TYPE_UDP,
+			.type = RTE_FLOW_ITEM_TYPE_TCP,
 			.spec = &attributes->l4,
 		};
 		break;
@@ -2761,6 +2764,11 @@ priv_fdir_filter_add(struct priv *priv,
 {
 	struct mlx5_fdir attributes = {
 		.attr.group = 0,
+		.l2_mask = {
+			.dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+			.src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
+			.type = 0,
+		},
 	};
 	struct mlx5_flow_parse parser = {
 		.layer = HASH_RXQ_ETH,
@@ -2783,7 +2791,6 @@ priv_fdir_filter_add(struct priv *priv,
 				attributes.actions,
 				&error);
 	if (flow) {
-		TAILQ_INSERT_TAIL(&priv->flows, flow, next);
 		DEBUG("FDIR created %p", (void *)flow);
 		return 0;
 	}
@@ -2805,7 +2812,9 @@ static int
 priv_fdir_filter_delete(struct priv *priv,
 			const struct rte_eth_fdir_filter *fdir_filter)
 {
-	struct mlx5_fdir attributes;
+	struct mlx5_fdir attributes = {
+		.attr.group = 0,
+	};
 	struct mlx5_flow_parse parser = {
 		.create = 1,
 		.layer = HASH_RXQ_ETH,
@@ -2822,6 +2831,22 @@ priv_fdir_filter_delete(struct priv *priv,
 				attributes.actions, &error, &parser);
 	if (ret)
 		goto exit;
+	/*
+	 * Special case for drop action which is only set in the
+	 * specifications when the flow is created.  In this situation the
+	 * drop specification is missing.
+	 */
+	if (parser.drop) {
+		struct ibv_flow_spec_action_drop *drop;
+
+		drop = (void *)((uintptr_t)parser.queue[HASH_RXQ_ETH].ibv_attr +
+				parser.queue[HASH_RXQ_ETH].offset);
+		*drop = (struct ibv_flow_spec_action_drop){
+			.type = IBV_FLOW_SPEC_ACTION_DROP,
+			.size = sizeof(struct ibv_flow_spec_action_drop),
+		};
+		parser.queue[HASH_RXQ_ETH].ibv_attr->num_of_specs++;
+	}
 	TAILQ_FOREACH(flow, &priv->flows, next) {
 		struct ibv_flow_attr *attr;
 		struct ibv_spec_header *attr_h;
@@ -2831,14 +2856,8 @@ priv_fdir_filter_delete(struct priv *priv,
 		void *flow_spec;
 		unsigned int specs_n;
 
-		if (parser.drop)
-			attr = parser.drop_q.ibv_attr;
-		else
-			attr = parser.queue[HASH_RXQ_ETH].ibv_attr;
-		if (flow->drop)
-			flow_attr = flow->drxq.ibv_attr;
-		else
-			flow_attr = flow->frxq[HASH_RXQ_ETH].ibv_attr;
+		attr = parser.queue[HASH_RXQ_ETH].ibv_attr;
+		flow_attr = flow->frxq[HASH_RXQ_ETH].ibv_attr;
 		/* Compare first the attributes. */
 		if (memcmp(attr, flow_attr, sizeof(struct ibv_flow_attr)))
 			continue;
@@ -2854,24 +2873,23 @@ priv_fdir_filter_delete(struct priv *priv,
 			flow_h = flow_spec;
 			if (memcmp(spec, flow_spec,
 				   RTE_MIN(attr_h->size, flow_h->size)))
-				continue;
-			spec = (void *)((uintptr_t)attr + attr_h->size);
-			flow_spec = (void *)((uintptr_t)flow_attr +
+				goto wrong_flow;
+			spec = (void *)((uintptr_t)spec + attr_h->size);
+			flow_spec = (void *)((uintptr_t)flow_spec +
 					     flow_h->size);
 		}
 		/* At this point, the flow match. */
 		break;
+wrong_flow:
+		/* The flow does not match. */
+		continue;
 	}
 	if (flow)
 		priv_flow_destroy(priv, &priv->flows, flow);
 exit:
-	if (parser.drop) {
-		rte_free(parser.drop_q.ibv_attr);
-	} else {
-		for (i = 0; i != hash_rxq_init_n; ++i) {
-			if (parser.queue[i].ibv_attr)
-				rte_free(parser.queue[i].ibv_attr);
-		}
+	for (i = 0; i != hash_rxq_init_n; ++i) {
+		if (parser.queue[i].ibv_attr)
+			rte_free(parser.queue[i].ibv_attr);
 	}
 	return -ret;
 }