diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 22820ab..00ccba0 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -39,6 +39,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_ethdev.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_intr.c
+SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_rxq.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_rxtx.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_txq.c
 SRCS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4_utils.c
diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 817b36e..b54a569 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -78,17 +78,6 @@ const char *pmd_mlx4_init_params[] = {
 
 /* Device configuration. */
 
-static int
-rxq_setup(struct rte_eth_dev *dev, struct rxq *rxq, uint16_t desc,
-	  unsigned int socket, const struct rte_eth_rxconf *conf,
-	  struct rte_mempool *mp);
-
-static void
-rxq_cleanup(struct rxq *rxq);
-
-static void
-priv_mac_addr_del(struct priv *priv);
-
 /**
  * DPDK callback for Ethernet device configuration.
  *
@@ -235,575 +224,6 @@ mlx4_mp2mr(struct ibv_pd *pd, struct rte_mempool *mp)
 	return mr;
 }
 
-/* RX queues handling. */
-
-/**
- * Allocate RX queue elements.
- *
- * @param rxq
- *   Pointer to RX queue structure.
- * @param elts_n
- *   Number of elements to allocate.
- * @param[in] pool
- *   If not NULL, fetch buffers from this array instead of allocating them
- *   with rte_pktmbuf_alloc().
- *
- * @return
- *   0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-rxq_alloc_elts(struct rxq *rxq, unsigned int elts_n, struct rte_mbuf **pool)
-{
-	unsigned int i;
-	struct rxq_elt (*elts)[elts_n] =
-		rte_calloc_socket("RXQ elements", 1, sizeof(*elts), 0,
-				  rxq->socket);
-
-	if (elts == NULL) {
-		rte_errno = ENOMEM;
-		ERROR("%p: can't allocate packets array", (void *)rxq);
-		goto error;
-	}
-	/* For each WR (packet). */
-	for (i = 0; (i != elts_n); ++i) {
-		struct rxq_elt *elt = &(*elts)[i];
-		struct ibv_recv_wr *wr = &elt->wr;
-		struct ibv_sge *sge = &(*elts)[i].sge;
-		struct rte_mbuf *buf;
-
-		if (pool != NULL) {
-			buf = *(pool++);
-			assert(buf != NULL);
-			rte_pktmbuf_reset(buf);
-		} else
-			buf = rte_pktmbuf_alloc(rxq->mp);
-		if (buf == NULL) {
-			rte_errno = ENOMEM;
-			assert(pool == NULL);
-			ERROR("%p: empty mbuf pool", (void *)rxq);
-			goto error;
-		}
-		/*
-		 * Configure WR. Work request ID contains its own index in
-		 * the elts array and the offset between SGE buffer header and
-		 * its data.
-		 */
-		WR_ID(wr->wr_id).id = i;
-		WR_ID(wr->wr_id).offset =
-			(((uintptr_t)buf->buf_addr + RTE_PKTMBUF_HEADROOM) -
-			 (uintptr_t)buf);
-		wr->next = &(*elts)[(i + 1)].wr;
-		wr->sg_list = sge;
-		wr->num_sge = 1;
-		/* Headroom is reserved by rte_pktmbuf_alloc(). */
-		assert(buf->data_off == RTE_PKTMBUF_HEADROOM);
-		/* Buffer is supposed to be empty. */
-		assert(rte_pktmbuf_data_len(buf) == 0);
-		assert(rte_pktmbuf_pkt_len(buf) == 0);
-		/* sge->addr must be able to store a pointer. */
-		assert(sizeof(sge->addr) >= sizeof(uintptr_t));
-		/* SGE keeps its headroom. */
-		sge->addr = (uintptr_t)
-			((uint8_t *)buf->buf_addr + RTE_PKTMBUF_HEADROOM);
-		sge->length = (buf->buf_len - RTE_PKTMBUF_HEADROOM);
-		sge->lkey = rxq->mr->lkey;
-		/* Redundant check for tailroom. */
-		assert(sge->length == rte_pktmbuf_tailroom(buf));
-		/*
-		 * Make sure elts index and SGE mbuf pointer can be deduced
-		 * from WR ID.
-		 */
-		if ((WR_ID(wr->wr_id).id != i) ||
-		    ((void *)((uintptr_t)sge->addr -
-			WR_ID(wr->wr_id).offset) != buf)) {
-			rte_errno = EOVERFLOW;
-			ERROR("%p: cannot store index and offset in WR ID",
-			      (void *)rxq);
-			sge->addr = 0;
-			rte_pktmbuf_free(buf);
-			goto error;
-		}
-	}
-	/* The last WR pointer must be NULL. */
-	(*elts)[(i - 1)].wr.next = NULL;
-	DEBUG("%p: allocated and configured %u single-segment WRs",
-	      (void *)rxq, elts_n);
-	rxq->elts_n = elts_n;
-	rxq->elts_head = 0;
-	rxq->elts = elts;
-	return 0;
-error:
-	if (elts != NULL) {
-		assert(pool == NULL);
-		for (i = 0; (i != RTE_DIM(*elts)); ++i) {
-			struct rxq_elt *elt = &(*elts)[i];
-			struct rte_mbuf *buf;
-
-			if (elt->sge.addr == 0)
-				continue;
-			assert(WR_ID(elt->wr.wr_id).id == i);
-			buf = (void *)((uintptr_t)elt->sge.addr -
-				WR_ID(elt->wr.wr_id).offset);
-			rte_pktmbuf_free_seg(buf);
-		}
-		rte_free(elts);
-	}
-	DEBUG("%p: failed, freed everything", (void *)rxq);
-	assert(rte_errno > 0);
-	return -rte_errno;
-}
-
-/**
- * Free RX queue elements.
- *
- * @param rxq
- *   Pointer to RX queue structure.
- */
-static void
-rxq_free_elts(struct rxq *rxq)
-{
-	unsigned int i;
-	unsigned int elts_n = rxq->elts_n;
-	struct rxq_elt (*elts)[elts_n] = rxq->elts;
-
-	DEBUG("%p: freeing WRs", (void *)rxq);
-	rxq->elts_n = 0;
-	rxq->elts = NULL;
-	if (elts == NULL)
-		return;
-	for (i = 0; (i != RTE_DIM(*elts)); ++i) {
-		struct rxq_elt *elt = &(*elts)[i];
-		struct rte_mbuf *buf;
-
-		if (elt->sge.addr == 0)
-			continue;
-		assert(WR_ID(elt->wr.wr_id).id == i);
-		buf = (void *)((uintptr_t)elt->sge.addr -
-			WR_ID(elt->wr.wr_id).offset);
-		rte_pktmbuf_free_seg(buf);
-	}
-	rte_free(elts);
-}
-
-/**
- * Unregister a MAC address.
- *
- * @param priv
- *   Pointer to private structure.
- */
-static void
-priv_mac_addr_del(struct priv *priv)
-{
-#ifndef NDEBUG
-	uint8_t (*mac)[ETHER_ADDR_LEN] = &priv->mac.addr_bytes;
-#endif
-
-	if (!priv->mac_flow)
-		return;
-	DEBUG("%p: removing MAC address %02x:%02x:%02x:%02x:%02x:%02x",
-	      (void *)priv,
-	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5]);
-	claim_zero(ibv_destroy_flow(priv->mac_flow));
-	priv->mac_flow = NULL;
-}
-
-/**
- * Register a MAC address.
- *
- * The MAC address is registered in queue 0.
- *
- * @param priv
- *   Pointer to private structure.
- *
- * @return
- *   0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-priv_mac_addr_add(struct priv *priv)
-{
-	uint8_t (*mac)[ETHER_ADDR_LEN] = &priv->mac.addr_bytes;
-	struct rxq *rxq;
-	struct ibv_flow *flow;
-
-	/* If device isn't started, this is all we need to do. */
-	if (!priv->started)
-		return 0;
-	if (priv->isolated)
-		return 0;
-	if (*priv->rxqs && (*priv->rxqs)[0])
-		rxq = (*priv->rxqs)[0];
-	else
-		return 0;
-
-	/* Allocate flow specification on the stack. */
-	struct __attribute__((packed)) {
-		struct ibv_flow_attr attr;
-		struct ibv_flow_spec_eth spec;
-	} data;
-	struct ibv_flow_attr *attr = &data.attr;
-	struct ibv_flow_spec_eth *spec = &data.spec;
-
-	if (priv->mac_flow)
-		priv_mac_addr_del(priv);
-	/*
-	 * No padding must be inserted by the compiler between attr and spec.
-	 * This layout is expected by libibverbs.
-	 */
-	assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec);
-	*attr = (struct ibv_flow_attr){
-		.type = IBV_FLOW_ATTR_NORMAL,
-		.priority = 3,
-		.num_of_specs = 1,
-		.port = priv->port,
-		.flags = 0
-	};
-	*spec = (struct ibv_flow_spec_eth){
-		.type = IBV_FLOW_SPEC_ETH,
-		.size = sizeof(*spec),
-		.val = {
-			.dst_mac = {
-				(*mac)[0], (*mac)[1], (*mac)[2],
-				(*mac)[3], (*mac)[4], (*mac)[5]
-			},
-		},
-		.mask = {
-			.dst_mac = "\xff\xff\xff\xff\xff\xff",
-		}
-	};
-	DEBUG("%p: adding MAC address %02x:%02x:%02x:%02x:%02x:%02x",
-	      (void *)priv,
-	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5]);
-	/* Create related flow. */
-	flow = ibv_create_flow(rxq->qp, attr);
-	if (flow == NULL) {
-		rte_errno = errno ? errno : EINVAL;
-		ERROR("%p: flow configuration failed, errno=%d: %s",
-		      (void *)rxq, rte_errno, strerror(errno));
-		return -rte_errno;
-	}
-	assert(priv->mac_flow == NULL);
-	priv->mac_flow = flow;
-	return 0;
-}
-
-/**
- * Clean up a RX queue.
- *
- * Destroy objects, free allocated memory and reset the structure for reuse.
- *
- * @param rxq
- *   Pointer to RX queue structure.
- */
-static void
-rxq_cleanup(struct rxq *rxq)
-{
-	DEBUG("cleaning up %p", (void *)rxq);
-	rxq_free_elts(rxq);
-	if (rxq->qp != NULL)
-		claim_zero(ibv_destroy_qp(rxq->qp));
-	if (rxq->cq != NULL)
-		claim_zero(ibv_destroy_cq(rxq->cq));
-	if (rxq->channel != NULL)
-		claim_zero(ibv_destroy_comp_channel(rxq->channel));
-	if (rxq->mr != NULL)
-		claim_zero(ibv_dereg_mr(rxq->mr));
-	memset(rxq, 0, sizeof(*rxq));
-}
-
-/**
- * Allocate a Queue Pair.
- * Optionally setup inline receive if supported.
- *
- * @param priv
- *   Pointer to private structure.
- * @param cq
- *   Completion queue to associate with QP.
- * @param desc
- *   Number of descriptors in QP (hint only).
- *
- * @return
- *   QP pointer or NULL in case of error and rte_errno is set.
- */
-static struct ibv_qp *
-rxq_setup_qp(struct priv *priv, struct ibv_cq *cq, uint16_t desc)
-{
-	struct ibv_qp *qp;
-	struct ibv_qp_init_attr attr = {
-		/* CQ to be associated with the send queue. */
-		.send_cq = cq,
-		/* CQ to be associated with the receive queue. */
-		.recv_cq = cq,
-		.cap = {
-			/* Max number of outstanding WRs. */
-			.max_recv_wr = ((priv->device_attr.max_qp_wr < desc) ?
-					priv->device_attr.max_qp_wr :
-					desc),
-			/* Max number of scatter/gather elements in a WR. */
-			.max_recv_sge = 1,
-		},
-		.qp_type = IBV_QPT_RAW_PACKET,
-	};
-
-	qp = ibv_create_qp(priv->pd, &attr);
-	if (!qp)
-		rte_errno = errno ? errno : EINVAL;
-	return qp;
-}
-
-/**
- * Configure a RX queue.
- *
- * @param dev
- *   Pointer to Ethernet device structure.
- * @param rxq
- *   Pointer to RX queue structure.
- * @param desc
- *   Number of descriptors to configure in queue.
- * @param socket
- *   NUMA socket on which memory must be allocated.
- * @param[in] conf
- *   Thresholds parameters.
- * @param mp
- *   Memory pool for buffer allocations.
- *
- * @return
- *   0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-rxq_setup(struct rte_eth_dev *dev, struct rxq *rxq, uint16_t desc,
-	  unsigned int socket, const struct rte_eth_rxconf *conf,
-	  struct rte_mempool *mp)
-{
-	struct priv *priv = dev->data->dev_private;
-	struct rxq tmpl = {
-		.priv = priv,
-		.mp = mp,
-		.socket = socket
-	};
-	struct ibv_qp_attr mod;
-	struct ibv_recv_wr *bad_wr;
-	unsigned int mb_len;
-	int ret;
-
-	(void)conf; /* Thresholds configuration (ignored). */
-	mb_len = rte_pktmbuf_data_room_size(mp);
-	if (desc == 0) {
-		rte_errno = EINVAL;
-		ERROR("%p: invalid number of RX descriptors", (void *)dev);
-		goto error;
-	}
-	/* Enable scattered packets support for this queue if necessary. */
-	assert(mb_len >= RTE_PKTMBUF_HEADROOM);
-	if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
-	    (mb_len - RTE_PKTMBUF_HEADROOM)) {
-		;
-	} else if (dev->data->dev_conf.rxmode.enable_scatter) {
-		WARN("%p: scattered mode has been requested but is"
-		     " not supported, this may lead to packet loss",
-		     (void *)dev);
-	} else {
-		WARN("%p: the requested maximum Rx packet size (%u) is"
-		     " larger than a single mbuf (%u) and scattered"
-		     " mode has not been requested",
-		     (void *)dev,
-		     dev->data->dev_conf.rxmode.max_rx_pkt_len,
-		     mb_len - RTE_PKTMBUF_HEADROOM);
-	}
-	/* Use the entire RX mempool as the memory region. */
-	tmpl.mr = mlx4_mp2mr(priv->pd, mp);
-	if (tmpl.mr == NULL) {
-		rte_errno = EINVAL;
-		ERROR("%p: MR creation failure: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	if (dev->data->dev_conf.intr_conf.rxq) {
-		tmpl.channel = ibv_create_comp_channel(priv->ctx);
-		if (tmpl.channel == NULL) {
-			rte_errno = ENOMEM;
-			ERROR("%p: Rx interrupt completion channel creation"
-			      " failure: %s",
-			      (void *)dev, strerror(rte_errno));
-			goto error;
-		}
-		if (mlx4_fd_set_non_blocking(tmpl.channel->fd) < 0) {
-			ERROR("%p: unable to make Rx interrupt completion"
-			      " channel non-blocking: %s",
-			      (void *)dev, strerror(rte_errno));
-			goto error;
-		}
-	}
-	tmpl.cq = ibv_create_cq(priv->ctx, desc, NULL, tmpl.channel, 0);
-	if (tmpl.cq == NULL) {
-		rte_errno = ENOMEM;
-		ERROR("%p: CQ creation failure: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	DEBUG("priv->device_attr.max_qp_wr is %d",
-	      priv->device_attr.max_qp_wr);
-	DEBUG("priv->device_attr.max_sge is %d",
-	      priv->device_attr.max_sge);
-	tmpl.qp = rxq_setup_qp(priv, tmpl.cq, desc);
-	if (tmpl.qp == NULL) {
-		ERROR("%p: QP creation failure: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	mod = (struct ibv_qp_attr){
-		/* Move the QP to this state. */
-		.qp_state = IBV_QPS_INIT,
-		/* Primary port number. */
-		.port_num = priv->port
-	};
-	ret = ibv_modify_qp(tmpl.qp, &mod, IBV_QP_STATE | IBV_QP_PORT);
-	if (ret) {
-		rte_errno = ret;
-		ERROR("%p: QP state to IBV_QPS_INIT failed: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	ret = rxq_alloc_elts(&tmpl, desc, NULL);
-	if (ret) {
-		ERROR("%p: RXQ allocation failed: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	ret = ibv_post_recv(tmpl.qp, &(*tmpl.elts)[0].wr, &bad_wr);
-	if (ret) {
-		rte_errno = ret;
-		ERROR("%p: ibv_post_recv() failed for WR %p: %s",
-		      (void *)dev,
-		      (void *)bad_wr,
-		      strerror(rte_errno));
-		goto error;
-	}
-	mod = (struct ibv_qp_attr){
-		.qp_state = IBV_QPS_RTR
-	};
-	ret = ibv_modify_qp(tmpl.qp, &mod, IBV_QP_STATE);
-	if (ret) {
-		rte_errno = ret;
-		ERROR("%p: QP state to IBV_QPS_RTR failed: %s",
-		      (void *)dev, strerror(rte_errno));
-		goto error;
-	}
-	/* Save port ID. */
-	tmpl.port_id = dev->data->port_id;
-	DEBUG("%p: RTE port ID: %u", (void *)rxq, tmpl.port_id);
-	/* Clean up rxq in case we're reinitializing it. */
-	DEBUG("%p: cleaning-up old rxq just in case", (void *)rxq);
-	rxq_cleanup(rxq);
-	*rxq = tmpl;
-	DEBUG("%p: rxq updated with %p", (void *)rxq, (void *)&tmpl);
-	return 0;
-error:
-	ret = rte_errno;
-	rxq_cleanup(&tmpl);
-	rte_errno = ret;
-	assert(rte_errno > 0);
-	return -rte_errno;
-}
-
-/**
- * DPDK callback to configure a RX queue.
- *
- * @param dev
- *   Pointer to Ethernet device structure.
- * @param idx
- *   RX queue index.
- * @param desc
- *   Number of descriptors to configure in queue.
- * @param socket
- *   NUMA socket on which memory must be allocated.
- * @param[in] conf
- *   Thresholds parameters.
- * @param mp
- *   Memory pool for buffer allocations.
- *
- * @return
- *   0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx4_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
-		    unsigned int socket, const struct rte_eth_rxconf *conf,
-		    struct rte_mempool *mp)
-{
-	struct priv *priv = dev->data->dev_private;
-	struct rxq *rxq = (*priv->rxqs)[idx];
-	int ret;
-
-	DEBUG("%p: configuring queue %u for %u descriptors",
-	      (void *)dev, idx, desc);
-	if (idx >= priv->rxqs_n) {
-		rte_errno = EOVERFLOW;
-		ERROR("%p: queue index out of range (%u >= %u)",
-		      (void *)dev, idx, priv->rxqs_n);
-		return -rte_errno;
-	}
-	if (rxq != NULL) {
-		DEBUG("%p: reusing already allocated queue index %u (%p)",
-		      (void *)dev, idx, (void *)rxq);
-		if (priv->started) {
-			rte_errno = EEXIST;
-			return -rte_errno;
-		}
-		(*priv->rxqs)[idx] = NULL;
-		if (idx == 0)
-			priv_mac_addr_del(priv);
-		rxq_cleanup(rxq);
-	} else {
-		rxq = rte_calloc_socket("RXQ", 1, sizeof(*rxq), 0, socket);
-		if (rxq == NULL) {
-			rte_errno = ENOMEM;
-			ERROR("%p: unable to allocate queue index %u",
-			      (void *)dev, idx);
-			return -rte_errno;
-		}
-	}
-	ret = rxq_setup(dev, rxq, desc, socket, conf, mp);
-	if (ret)
-		rte_free(rxq);
-	else {
-		rxq->stats.idx = idx;
-		DEBUG("%p: adding RX queue %p to list",
-		      (void *)dev, (void *)rxq);
-		(*priv->rxqs)[idx] = rxq;
-		/* Update receive callback. */
-		dev->rx_pkt_burst = mlx4_rx_burst;
-	}
-	return ret;
-}
-
-/**
- * DPDK callback to release a RX queue.
- *
- * @param dpdk_rxq
- *   Generic RX queue pointer.
- */
-static void
-mlx4_rx_queue_release(void *dpdk_rxq)
-{
-	struct rxq *rxq = (struct rxq *)dpdk_rxq;
-	struct priv *priv;
-	unsigned int i;
-
-	if (rxq == NULL)
-		return;
-	priv = rxq->priv;
-	for (i = 0; (i != priv->rxqs_n); ++i)
-		if ((*priv->rxqs)[i] == rxq) {
-			DEBUG("%p: removing RX queue %p from list",
-			      (void *)priv->dev, (void *)rxq);
-			(*priv->rxqs)[i] = NULL;
-			if (i == 0)
-				priv_mac_addr_del(priv);
-			break;
-		}
-	rxq_cleanup(rxq);
-	rte_free(rxq);
-}
-
 /**
  * DPDK callback to start the device.
  *
@@ -825,7 +245,7 @@ mlx4_dev_start(struct rte_eth_dev *dev)
 		return 0;
 	DEBUG("%p: attaching configured flows to all RX queues", (void *)dev);
 	priv->started = 1;
-	ret = priv_mac_addr_add(priv);
+	ret = mlx4_mac_addr_add(priv);
 	if (ret)
 		goto err;
 	ret = mlx4_intr_install(priv);
@@ -843,7 +263,7 @@ mlx4_dev_start(struct rte_eth_dev *dev)
 	return 0;
 err:
 	/* Rollback. */
-	priv_mac_addr_del(priv);
+	mlx4_mac_addr_del(priv);
 	priv->started = 0;
 	return ret;
 }
@@ -867,7 +287,7 @@ mlx4_dev_stop(struct rte_eth_dev *dev)
 	priv->started = 0;
 	mlx4_priv_flow_stop(priv);
 	mlx4_intr_uninstall(priv);
-	priv_mac_addr_del(priv);
+	mlx4_mac_addr_del(priv);
 }
 
 /**
@@ -890,7 +310,7 @@ mlx4_dev_close(struct rte_eth_dev *dev)
 	DEBUG("%p: closing device \"%s\"",
 	      (void *)dev,
 	      ((priv->ctx != NULL) ? priv->ctx->device->name : ""));
-	priv_mac_addr_del(priv);
+	mlx4_mac_addr_del(priv);
 	/*
 	 * Prevent crashes when queues are still in use. This is unfortunately
 	 * still required for DPDK 1.3 because some programs (such as testpmd)
@@ -906,7 +326,7 @@ mlx4_dev_close(struct rte_eth_dev *dev)
 			if (tmp == NULL)
 				continue;
 			(*priv->rxqs)[i] = NULL;
-			rxq_cleanup(tmp);
+			mlx4_rxq_cleanup(tmp);
 			rte_free(tmp);
 		}
 		priv->rxqs_n = 0;
@@ -1315,7 +735,7 @@ mlx4_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
 		     mac.addr_bytes[4], mac.addr_bytes[5]);
 		/* Register MAC address. */
 		priv->mac = mac;
-		if (priv_mac_addr_add(priv))
+		if (mlx4_mac_addr_add(priv))
 			goto port_error;
 #ifndef NDEBUG
 		{
diff --git a/drivers/net/mlx4/mlx4_rxq.c b/drivers/net/mlx4/mlx4_rxq.c
new file mode 100644
index 0000000..1456b5f
--- /dev/null
+++ b/drivers/net/mlx4/mlx4_rxq.c
@@ -0,0 +1,632 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright 2017 6WIND S.A.
+ *   Copyright 2017 Mellanox
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of 6WIND S.A. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @file
+ * Rx queues configuration for mlx4 driver.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+/* Verbs headers do not support -pedantic. */
+#ifdef PEDANTIC
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
+#include <infiniband/verbs.h>
+#ifdef PEDANTIC
+#pragma GCC diagnostic error "-Wpedantic"
+#endif
+
+#include <rte_common.h>
+#include <rte_errno.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_mempool.h>
+
+#include "mlx4.h"
+#include "mlx4_rxtx.h"
+#include "mlx4_utils.h"
+
+/**
+ * Allocate RX queue elements.
+ *
+ * @param rxq
+ *   Pointer to RX queue structure.
+ * @param elts_n
+ *   Number of elements to allocate.
+ * @param[in] pool
+ *   If not NULL, fetch buffers from this array instead of allocating them
+ *   with rte_pktmbuf_alloc().
+ *
+ * @return
+ *   0 on success, negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx4_rxq_alloc_elts(struct rxq *rxq, unsigned int elts_n,
+		    struct rte_mbuf **pool)
+{
+	unsigned int i;
+	struct rxq_elt (*elts)[elts_n] =
+		rte_calloc_socket("RXQ elements", 1, sizeof(*elts), 0,
+				  rxq->socket);
+
+	if (elts == NULL) {
+		rte_errno = ENOMEM;
+		ERROR("%p: can't allocate packets array", (void *)rxq);
+		goto error;
+	}
+	/* For each WR (packet). */
+	for (i = 0; (i != elts_n); ++i) {
+		struct rxq_elt *elt = &(*elts)[i];
+		struct ibv_recv_wr *wr = &elt->wr;
+		struct ibv_sge *sge = &(*elts)[i].sge;
+		struct rte_mbuf *buf;
+
+		if (pool != NULL) {
+			buf = *(pool++);
+			assert(buf != NULL);
+			rte_pktmbuf_reset(buf);
+		} else {
+			buf = rte_pktmbuf_alloc(rxq->mp);
+		}
+		if (buf == NULL) {
+			rte_errno = ENOMEM;
+			assert(pool == NULL);
+			ERROR("%p: empty mbuf pool", (void *)rxq);
+			goto error;
+		}
+		/*
+		 * Configure WR. Work request ID contains its own index in
+		 * the elts array and the offset between SGE buffer header and
+		 * its data.
+		 */
+		WR_ID(wr->wr_id).id = i;
+		WR_ID(wr->wr_id).offset =
+			(((uintptr_t)buf->buf_addr + RTE_PKTMBUF_HEADROOM) -
+			 (uintptr_t)buf);
+		wr->next = &(*elts)[(i + 1)].wr;
+		wr->sg_list = sge;
+		wr->num_sge = 1;
+		/* Headroom is reserved by rte_pktmbuf_alloc(). */
+		assert(buf->data_off == RTE_PKTMBUF_HEADROOM);
+		/* Buffer is supposed to be empty. */
+		assert(rte_pktmbuf_data_len(buf) == 0);
+		assert(rte_pktmbuf_pkt_len(buf) == 0);
+		/* sge->addr must be able to store a pointer. */
+		assert(sizeof(sge->addr) >= sizeof(uintptr_t));
+		/* SGE keeps its headroom. */
+		sge->addr = (uintptr_t)
+			((uint8_t *)buf->buf_addr + RTE_PKTMBUF_HEADROOM);
+		sge->length = (buf->buf_len - RTE_PKTMBUF_HEADROOM);
+		sge->lkey = rxq->mr->lkey;
+		/* Redundant check for tailroom. */
+		assert(sge->length == rte_pktmbuf_tailroom(buf));
+		/*
+		 * Make sure elts index and SGE mbuf pointer can be deduced
+		 * from WR ID.
+		 */
+		if ((WR_ID(wr->wr_id).id != i) ||
+		    ((void *)((uintptr_t)sge->addr -
+			WR_ID(wr->wr_id).offset) != buf)) {
+			rte_errno = EOVERFLOW;
+			ERROR("%p: cannot store index and offset in WR ID",
+			      (void *)rxq);
+			sge->addr = 0;
+			rte_pktmbuf_free(buf);
+			goto error;
+		}
+	}
+	/* The last WR pointer must be NULL. */
+	(*elts)[(i - 1)].wr.next = NULL;
+	DEBUG("%p: allocated and configured %u single-segment WRs",
+	      (void *)rxq, elts_n);
+	rxq->elts_n = elts_n;
+	rxq->elts_head = 0;
+	rxq->elts = elts;
+	return 0;
+error:
+	if (elts != NULL) {
+		assert(pool == NULL);
+		for (i = 0; (i != RTE_DIM(*elts)); ++i) {
+			struct rxq_elt *elt = &(*elts)[i];
+			struct rte_mbuf *buf;
+
+			if (elt->sge.addr == 0)
+				continue;
+			assert(WR_ID(elt->wr.wr_id).id == i);
+			buf = (void *)((uintptr_t)elt->sge.addr -
+				WR_ID(elt->wr.wr_id).offset);
+			rte_pktmbuf_free_seg(buf);
+		}
+		rte_free(elts);
+	}
+	DEBUG("%p: failed, freed everything", (void *)rxq);
+	assert(rte_errno > 0);
+	return -rte_errno;
+}
+
+/**
+ * Free RX queue elements.
+ *
+ * @param rxq
+ *   Pointer to RX queue structure.
+ */
+static void
+mlx4_rxq_free_elts(struct rxq *rxq)
+{
+	unsigned int i;
+	unsigned int elts_n = rxq->elts_n;
+	struct rxq_elt (*elts)[elts_n] = rxq->elts;
+
+	DEBUG("%p: freeing WRs", (void *)rxq);
+	rxq->elts_n = 0;
+	rxq->elts = NULL;
+	if (elts == NULL)
+		return;
+	for (i = 0; (i != RTE_DIM(*elts)); ++i) {
+		struct rxq_elt *elt = &(*elts)[i];
+		struct rte_mbuf *buf;
+
+		if (elt->sge.addr == 0)
+			continue;
+		assert(WR_ID(elt->wr.wr_id).id == i);
+		buf = (void *)((uintptr_t)elt->sge.addr -
+			WR_ID(elt->wr.wr_id).offset);
+		rte_pktmbuf_free_seg(buf);
+	}
+	rte_free(elts);
+}
+
+/**
+ * Clean up a RX queue.
+ *
+ * Destroy objects, free allocated memory and reset the structure for reuse.
+ *
+ * @param rxq
+ *   Pointer to RX queue structure.
+ */
+void
+mlx4_rxq_cleanup(struct rxq *rxq)
+{
+	DEBUG("cleaning up %p", (void *)rxq);
+	mlx4_rxq_free_elts(rxq);
+	if (rxq->qp != NULL)
+		claim_zero(ibv_destroy_qp(rxq->qp));
+	if (rxq->cq != NULL)
+		claim_zero(ibv_destroy_cq(rxq->cq));
+	if (rxq->channel != NULL)
+		claim_zero(ibv_destroy_comp_channel(rxq->channel));
+	if (rxq->mr != NULL)
+		claim_zero(ibv_dereg_mr(rxq->mr));
+	memset(rxq, 0, sizeof(*rxq));
+}
+
+/**
+ * Allocate a Queue Pair.
+ * Optionally setup inline receive if supported.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ * @param cq
+ *   Completion queue to associate with QP.
+ * @param desc
+ *   Number of descriptors in QP (hint only).
+ *
+ * @return
+ *   QP pointer or NULL in case of error and rte_errno is set.
+ */
+static struct ibv_qp *
+mlx4_rxq_setup_qp(struct priv *priv, struct ibv_cq *cq, uint16_t desc)
+{
+	struct ibv_qp *qp;
+	struct ibv_qp_init_attr attr = {
+		/* CQ to be associated with the send queue. */
+		.send_cq = cq,
+		/* CQ to be associated with the receive queue. */
+		.recv_cq = cq,
+		.cap = {
+			/* Max number of outstanding WRs. */
+			.max_recv_wr = ((priv->device_attr.max_qp_wr < desc) ?
+					priv->device_attr.max_qp_wr :
+					desc),
+			/* Max number of scatter/gather elements in a WR. */
+			.max_recv_sge = 1,
+		},
+		.qp_type = IBV_QPT_RAW_PACKET,
+	};
+
+	qp = ibv_create_qp(priv->pd, &attr);
+	if (!qp)
+		rte_errno = errno ? errno : EINVAL;
+	return qp;
+}
+
+/**
+ * Configure a RX queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param rxq
+ *   Pointer to RX queue structure.
+ * @param desc
+ *   Number of descriptors to configure in queue.
+ * @param socket
+ *   NUMA socket on which memory must be allocated.
+ * @param[in] conf
+ *   Thresholds parameters.
+ * @param mp
+ *   Memory pool for buffer allocations.
+ *
+ * @return
+ *   0 on success, negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx4_rxq_setup(struct rte_eth_dev *dev, struct rxq *rxq, uint16_t desc,
+	       unsigned int socket, const struct rte_eth_rxconf *conf,
+	       struct rte_mempool *mp)
+{
+	struct priv *priv = dev->data->dev_private;
+	struct rxq tmpl = {
+		.priv = priv,
+		.mp = mp,
+		.socket = socket
+	};
+	struct ibv_qp_attr mod;
+	struct ibv_recv_wr *bad_wr;
+	unsigned int mb_len;
+	int ret;
+
+	(void)conf; /* Thresholds configuration (ignored). */
+	mb_len = rte_pktmbuf_data_room_size(mp);
+	if (desc == 0) {
+		rte_errno = EINVAL;
+		ERROR("%p: invalid number of RX descriptors", (void *)dev);
+		goto error;
+	}
+	/* Enable scattered packets support for this queue if necessary. */
+	assert(mb_len >= RTE_PKTMBUF_HEADROOM);
+	if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
+	    (mb_len - RTE_PKTMBUF_HEADROOM)) {
+		;
+	} else if (dev->data->dev_conf.rxmode.enable_scatter) {
+		WARN("%p: scattered mode has been requested but is"
+		     " not supported, this may lead to packet loss",
+		     (void *)dev);
+	} else {
+		WARN("%p: the requested maximum Rx packet size (%u) is"
+		     " larger than a single mbuf (%u) and scattered"
+		     " mode has not been requested",
+		     (void *)dev,
+		     dev->data->dev_conf.rxmode.max_rx_pkt_len,
+		     mb_len - RTE_PKTMBUF_HEADROOM);
+	}
+	/* Use the entire RX mempool as the memory region. */
+	tmpl.mr = mlx4_mp2mr(priv->pd, mp);
+	if (tmpl.mr == NULL) {
+		rte_errno = EINVAL;
+		ERROR("%p: MR creation failure: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	if (dev->data->dev_conf.intr_conf.rxq) {
+		tmpl.channel = ibv_create_comp_channel(priv->ctx);
+		if (tmpl.channel == NULL) {
+			rte_errno = ENOMEM;
+			ERROR("%p: Rx interrupt completion channel creation"
+			      " failure: %s",
+			      (void *)dev, strerror(rte_errno));
+			goto error;
+		}
+		if (mlx4_fd_set_non_blocking(tmpl.channel->fd) < 0) {
+			ERROR("%p: unable to make Rx interrupt completion"
+			      " channel non-blocking: %s",
+			      (void *)dev, strerror(rte_errno));
+			goto error;
+		}
+	}
+	tmpl.cq = ibv_create_cq(priv->ctx, desc, NULL, tmpl.channel, 0);
+	if (tmpl.cq == NULL) {
+		rte_errno = ENOMEM;
+		ERROR("%p: CQ creation failure: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	DEBUG("priv->device_attr.max_qp_wr is %d",
+	      priv->device_attr.max_qp_wr);
+	DEBUG("priv->device_attr.max_sge is %d",
+	      priv->device_attr.max_sge);
+	tmpl.qp = mlx4_rxq_setup_qp(priv, tmpl.cq, desc);
+	if (tmpl.qp == NULL) {
+		ERROR("%p: QP creation failure: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	mod = (struct ibv_qp_attr){
+		/* Move the QP to this state. */
+		.qp_state = IBV_QPS_INIT,
+		/* Primary port number. */
+		.port_num = priv->port
+	};
+	ret = ibv_modify_qp(tmpl.qp, &mod, IBV_QP_STATE | IBV_QP_PORT);
+	if (ret) {
+		rte_errno = ret;
+		ERROR("%p: QP state to IBV_QPS_INIT failed: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	ret = mlx4_rxq_alloc_elts(&tmpl, desc, NULL);
+	if (ret) {
+		ERROR("%p: RXQ allocation failed: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	ret = ibv_post_recv(tmpl.qp, &(*tmpl.elts)[0].wr, &bad_wr);
+	if (ret) {
+		rte_errno = ret;
+		ERROR("%p: ibv_post_recv() failed for WR %p: %s",
+		      (void *)dev,
+		      (void *)bad_wr,
+		      strerror(rte_errno));
+		goto error;
+	}
+	mod = (struct ibv_qp_attr){
+		.qp_state = IBV_QPS_RTR
+	};
+	ret = ibv_modify_qp(tmpl.qp, &mod, IBV_QP_STATE);
+	if (ret) {
+		rte_errno = ret;
+		ERROR("%p: QP state to IBV_QPS_RTR failed: %s",
+		      (void *)dev, strerror(rte_errno));
+		goto error;
+	}
+	/* Save port ID. */
+	tmpl.port_id = dev->data->port_id;
+	DEBUG("%p: RTE port ID: %u", (void *)rxq, tmpl.port_id);
+	/* Clean up rxq in case we're reinitializing it. */
+	DEBUG("%p: cleaning-up old rxq just in case", (void *)rxq);
+	mlx4_rxq_cleanup(rxq);
+	*rxq = tmpl;
+	DEBUG("%p: rxq updated with %p", (void *)rxq, (void *)&tmpl);
+	return 0;
+error:
+	ret = rte_errno;
+	mlx4_rxq_cleanup(&tmpl);
+	rte_errno = ret;
+	assert(rte_errno > 0);
+	return -rte_errno;
+}
+
+/**
+ * DPDK callback to configure a RX queue.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param idx
+ *   RX queue index.
+ * @param desc
+ *   Number of descriptors to configure in queue.
+ * @param socket
+ *   NUMA socket on which memory must be allocated.
+ * @param[in] conf
+ *   Thresholds parameters.
+ * @param mp
+ *   Memory pool for buffer allocations.
+ *
+ * @return
+ *   0 on success, negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx4_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
+		    unsigned int socket, const struct rte_eth_rxconf *conf,
+		    struct rte_mempool *mp)
+{
+	struct priv *priv = dev->data->dev_private;
+	struct rxq *rxq = (*priv->rxqs)[idx];
+	int ret;
+
+	DEBUG("%p: configuring queue %u for %u descriptors",
+	      (void *)dev, idx, desc);
+	if (idx >= priv->rxqs_n) {
+		rte_errno = EOVERFLOW;
+		ERROR("%p: queue index out of range (%u >= %u)",
+		      (void *)dev, idx, priv->rxqs_n);
+		return -rte_errno;
+	}
+	if (rxq != NULL) {
+		DEBUG("%p: reusing already allocated queue index %u (%p)",
+		      (void *)dev, idx, (void *)rxq);
+		if (priv->started) {
+			rte_errno = EEXIST;
+			return -rte_errno;
+		}
+		(*priv->rxqs)[idx] = NULL;
+		if (idx == 0)
+			mlx4_mac_addr_del(priv);
+		mlx4_rxq_cleanup(rxq);
+	} else {
+		rxq = rte_calloc_socket("RXQ", 1, sizeof(*rxq), 0, socket);
+		if (rxq == NULL) {
+			rte_errno = ENOMEM;
+			ERROR("%p: unable to allocate queue index %u",
+			      (void *)dev, idx);
+			return -rte_errno;
+		}
+	}
+	ret = mlx4_rxq_setup(dev, rxq, desc, socket, conf, mp);
+	if (ret) {
+		rte_free(rxq);
+	} else {
+		rxq->stats.idx = idx;
+		DEBUG("%p: adding RX queue %p to list",
+		      (void *)dev, (void *)rxq);
+		(*priv->rxqs)[idx] = rxq;
+		/* Update receive callback. */
+		dev->rx_pkt_burst = mlx4_rx_burst;
+	}
+	return ret;
+}
+
+/**
+ * DPDK callback to release a RX queue.
+ *
+ * @param dpdk_rxq
+ *   Generic RX queue pointer.
+ */
+void
+mlx4_rx_queue_release(void *dpdk_rxq)
+{
+	struct rxq *rxq = (struct rxq *)dpdk_rxq;
+	struct priv *priv;
+	unsigned int i;
+
+	if (rxq == NULL)
+		return;
+	priv = rxq->priv;
+	for (i = 0; (i != priv->rxqs_n); ++i)
+		if ((*priv->rxqs)[i] == rxq) {
+			DEBUG("%p: removing RX queue %p from list",
+			      (void *)priv->dev, (void *)rxq);
+			(*priv->rxqs)[i] = NULL;
+			if (i == 0)
+				mlx4_mac_addr_del(priv);
+			break;
+		}
+	mlx4_rxq_cleanup(rxq);
+	rte_free(rxq);
+}
+
+/**
+ * Unregister a MAC address.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ */
+void
+mlx4_mac_addr_del(struct priv *priv)
+{
+#ifndef NDEBUG
+	uint8_t (*mac)[ETHER_ADDR_LEN] = &priv->mac.addr_bytes;
+#endif
+
+	if (!priv->mac_flow)
+		return;
+	DEBUG("%p: removing MAC address %02x:%02x:%02x:%02x:%02x:%02x",
+	      (void *)priv,
+	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5]);
+	claim_zero(ibv_destroy_flow(priv->mac_flow));
+	priv->mac_flow = NULL;
+}
+
+/**
+ * Register a MAC address.
+ *
+ * The MAC address is registered in queue 0.
+ *
+ * @param priv
+ *   Pointer to private structure.
+ *
+ * @return
+ *   0 on success, negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx4_mac_addr_add(struct priv *priv)
+{
+	uint8_t (*mac)[ETHER_ADDR_LEN] = &priv->mac.addr_bytes;
+	struct rxq *rxq;
+	struct ibv_flow *flow;
+
+	/* If device isn't started, this is all we need to do. */
+	if (!priv->started)
+		return 0;
+	if (priv->isolated)
+		return 0;
+	if (*priv->rxqs && (*priv->rxqs)[0])
+		rxq = (*priv->rxqs)[0];
+	else
+		return 0;
+
+	/* Allocate flow specification on the stack. */
+	struct __attribute__((packed)) {
+		struct ibv_flow_attr attr;
+		struct ibv_flow_spec_eth spec;
+	} data;
+	struct ibv_flow_attr *attr = &data.attr;
+	struct ibv_flow_spec_eth *spec = &data.spec;
+
+	if (priv->mac_flow)
+		mlx4_mac_addr_del(priv);
+	/*
+	 * No padding must be inserted by the compiler between attr and spec.
+	 * This layout is expected by libibverbs.
+	 */
+	assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec);
+	*attr = (struct ibv_flow_attr){
+		.type = IBV_FLOW_ATTR_NORMAL,
+		.priority = 3,
+		.num_of_specs = 1,
+		.port = priv->port,
+		.flags = 0
+	};
+	*spec = (struct ibv_flow_spec_eth){
+		.type = IBV_FLOW_SPEC_ETH,
+		.size = sizeof(*spec),
+		.val = {
+			.dst_mac = {
+				(*mac)[0], (*mac)[1], (*mac)[2],
+				(*mac)[3], (*mac)[4], (*mac)[5]
+			},
+		},
+		.mask = {
+			.dst_mac = "\xff\xff\xff\xff\xff\xff",
+		}
+	};
+	DEBUG("%p: adding MAC address %02x:%02x:%02x:%02x:%02x:%02x",
+	      (void *)priv,
+	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5]);
+	/* Create related flow. */
+	flow = ibv_create_flow(rxq->qp, attr);
+	if (flow == NULL) {
+		rte_errno = errno ? errno : EINVAL;
+		ERROR("%p: flow configuration failed, errno=%d: %s",
+		      (void *)rxq, rte_errno, strerror(errno));
+		return -rte_errno;
+	}
+	assert(priv->mac_flow == NULL);
+	priv->mac_flow = flow;
+	return 0;
+}
diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h
index b02af8e..a3d972b 100644
--- a/drivers/net/mlx4/mlx4_rxtx.h
+++ b/drivers/net/mlx4/mlx4_rxtx.h
@@ -130,6 +130,17 @@ struct txq {
 	unsigned int socket; /**< CPU socket ID for allocations. */
 };
 
+/* mlx4_rxq.c */
+
+void mlx4_rxq_cleanup(struct rxq *rxq);
+int mlx4_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx,
+			uint16_t desc, unsigned int socket,
+			const struct rte_eth_rxconf *conf,
+			struct rte_mempool *mp);
+void mlx4_rx_queue_release(void *dpdk_rxq);
+void mlx4_mac_addr_del(struct priv *priv);
+int mlx4_mac_addr_add(struct priv *priv);
+
 /* mlx4_rxtx.c */
 
 uint32_t mlx4_txq_mp2mr(struct txq *txq, struct rte_mempool *mp);
