Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

3 files changed, 0 insertions, 1705 deletions

diff --git a/drivers/net/mpipe/Makefile b/drivers/net/mpipe/Makefile
deleted file mode 100644
index 846e2e07..00000000
--- a/drivers/net/mpipe/Makefile
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# Copyright 2015 EZchip Semiconductor Ltd.  All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# 2. 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.
-#
-# 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 HOLDER 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.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-# library name
-LIB = librte_pmd_mpipe.a
-
-CFLAGS += $(WERROR_FLAGS) -O3
-LDLIBS += -lgxio
-
-EXPORT_MAP := rte_pmd_mpipe_version.map
-
-LIBABIVER := 1
-
-SRCS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD) += mpipe_tilegx.c
-
-DEPDIRS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD) += lib/librte_eal lib/librte_ether
-DEPDIRS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD) += lib/librte_mempool lib/librte_mbuf
-DEPDIRS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD) += lib/librte_net
-
-include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/mpipe/mpipe_tilegx.c b/drivers/net/mpipe/mpipe_tilegx.c
deleted file mode 100644
index fbbbb002..00000000
--- a/drivers/net/mpipe/mpipe_tilegx.c
+++ /dev/null
@@ -1,1655 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2015 EZchip Semiconductor Ltd. All rights reserved.
- *
- *   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 EZchip Semiconductor 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.
- */
-
-#include <unistd.h>
-
-#include <rte_eal.h>
-#include <rte_vdev.h>
-#include <rte_eal_memconfig.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_cycles.h>
-
-#include <arch/mpipe_xaui_def.h>
-#include <arch/mpipe_gbe_def.h>
-
-#include <gxio/mpipe.h>
-
-#ifdef RTE_LIBRTE_MPIPE_PMD_DEBUG
-#define PMD_DEBUG_RX(...)	RTE_LOG(DEBUG, PMD, __VA_ARGS__)
-#define PMD_DEBUG_TX(...)	RTE_LOG(DEBUG, PMD, __VA_ARGS__)
-#else
-#define PMD_DEBUG_RX(...)
-#define PMD_DEBUG_TX(...)
-#endif
-
-#define MPIPE_MAX_CHANNELS		128
-#define MPIPE_TX_MAX_QUEUES		128
-#define MPIPE_RX_MAX_QUEUES		16
-#define MPIPE_TX_DESCS			512
-#define MPIPE_RX_BUCKETS		256
-#define MPIPE_RX_STACK_SIZE		65536
-#define MPIPE_RX_IP_ALIGN		2
-#define MPIPE_BSM_ALIGN			128
-
-#define MPIPE_LINK_UPDATE_TIMEOUT	10	/*  s */
-#define MPIPE_LINK_UPDATE_INTERVAL	100000	/* us */
-
-struct mpipe_channel_config {
-	int enable;
-	int first_bucket;
-	int num_buckets;
-	int head_room;
-	gxio_mpipe_rules_stacks_t stacks;
-};
-
-struct mpipe_context {
-	rte_spinlock_t        lock;
-	gxio_mpipe_context_t  context;
-	struct mpipe_channel_config channels[MPIPE_MAX_CHANNELS];
-};
-
-/* Per-core local data. */
-struct mpipe_local {
-	int mbuf_push_debt[RTE_MAX_ETHPORTS];	/* Buffer push debt. */
-} __rte_cache_aligned;
-
-#define MPIPE_BUF_DEBT_THRESHOLD	32
-static __thread struct mpipe_local mpipe_local;
-static struct mpipe_context mpipe_contexts[GXIO_MPIPE_INSTANCE_MAX];
-static int mpipe_instances;
-static const char *drivername = "MPIPE PMD";
-
-/* Per queue statistics. */
-struct mpipe_queue_stats {
-	uint64_t packets, bytes, errors, nomem;
-};
-
-/* Common tx/rx queue fields. */
-struct mpipe_queue {
-	struct mpipe_dev_priv *priv;	/* "priv" data of its device. */
-	uint16_t nb_desc;		/* Number of tx descriptors. */
-	uint16_t port_id;		/* Device index. */
-	uint16_t stat_idx;		/* Queue stats index. */
-	uint8_t queue_idx;		/* Queue index. */
-	uint8_t link_status;		/* 0 = link down. */
-	struct mpipe_queue_stats stats;	/* Stat data for the queue. */
-};
-
-/* Transmit queue description. */
-struct mpipe_tx_queue {
-	struct mpipe_queue q;		/* Common stuff. */
-};
-
-/* Receive queue description. */
-struct mpipe_rx_queue {
-	struct mpipe_queue q;		/* Common stuff. */
-	gxio_mpipe_iqueue_t iqueue;	/* mPIPE iqueue. */
-	gxio_mpipe_idesc_t *next_desc;	/* Next idesc to process. */
-	int avail_descs;		/* Number of available descs. */
-	void *rx_ring_mem;		/* DMA ring memory. */
-};
-
-struct mpipe_dev_priv {
-	gxio_mpipe_context_t *context;	/* mPIPE context. */
-	gxio_mpipe_link_t link;		/* mPIPE link for the device. */
-	gxio_mpipe_equeue_t equeue;	/* mPIPE equeue. */
-	unsigned equeue_size;		/* mPIPE equeue desc count. */
-	int instance;			/* mPIPE instance. */
-	int ering;			/* mPIPE eDMA ring. */
-	int stack;			/* mPIPE buffer stack. */
-	int channel;			/* Device channel. */
-	int port_id;			/* DPDK port index. */
-	struct rte_eth_dev *eth_dev;	/* DPDK device. */
-	struct rte_mbuf **tx_comps;	/* TX completion array. */
-	struct rte_mempool *rx_mpool;	/* mpool used by the rx queues. */
-	unsigned rx_offset;		/* Receive head room. */
-	unsigned rx_size_code;		/* mPIPE rx buffer size code. */
-	int is_xaui:1,			/* Is this an xgbe or gbe? */
-	    initialized:1,		/* Initialized port? */
-	    running:1;			/* Running port? */
-	struct ether_addr mac_addr;	/* MAC address. */
-	unsigned nb_rx_queues;		/* Configured tx queues. */
-	unsigned nb_tx_queues;		/* Configured rx queues. */
-	int first_bucket;		/* mPIPE bucket start index. */
-	int first_ring;			/* mPIPE notif ring start index. */
-	int notif_group;		/* mPIPE notif group. */
-	rte_atomic32_t dp_count __rte_cache_aligned;	/* DP Entry count. */
-	int tx_stat_mapping[RTE_ETHDEV_QUEUE_STAT_CNTRS];
-	int rx_stat_mapping[RTE_ETHDEV_QUEUE_STAT_CNTRS];
-};
-
-#define mpipe_priv(dev)			\
-	((struct mpipe_dev_priv*)(dev)->data->dev_private)
-
-#define mpipe_name(priv)		\
-	((priv)->eth_dev->data->name)
-
-#define mpipe_rx_queue(priv, n)		\
-	((struct mpipe_rx_queue *)(priv)->eth_dev->data->rx_queues[n])
-
-#define mpipe_tx_queue(priv, n)		\
-	((struct mpipe_tx_queue *)(priv)->eth_dev->data->tx_queues[n])
-
-static void
-mpipe_xmit_flush(struct mpipe_dev_priv *priv);
-
-static void
-mpipe_recv_flush(struct mpipe_dev_priv *priv);
-
-static int mpipe_equeue_sizes[] = {
-	[GXIO_MPIPE_EQUEUE_ENTRY_512]	= 512,
-	[GXIO_MPIPE_EQUEUE_ENTRY_2K]	= 2048,
-	[GXIO_MPIPE_EQUEUE_ENTRY_8K]	= 8192,
-	[GXIO_MPIPE_EQUEUE_ENTRY_64K]	= 65536,
-};
-
-static int mpipe_iqueue_sizes[] = {
-	[GXIO_MPIPE_IQUEUE_ENTRY_128]	= 128,
-	[GXIO_MPIPE_IQUEUE_ENTRY_512]	= 512,
-	[GXIO_MPIPE_IQUEUE_ENTRY_2K]	= 2048,
-	[GXIO_MPIPE_IQUEUE_ENTRY_64K]	= 65536,
-};
-
-static int mpipe_buffer_sizes[] = {
-	[GXIO_MPIPE_BUFFER_SIZE_128]	= 128,
-	[GXIO_MPIPE_BUFFER_SIZE_256]	= 256,
-	[GXIO_MPIPE_BUFFER_SIZE_512]	= 512,
-	[GXIO_MPIPE_BUFFER_SIZE_1024]	= 1024,
-	[GXIO_MPIPE_BUFFER_SIZE_1664]	= 1664,
-	[GXIO_MPIPE_BUFFER_SIZE_4096]	= 4096,
-	[GXIO_MPIPE_BUFFER_SIZE_10368]	= 10368,
-	[GXIO_MPIPE_BUFFER_SIZE_16384]	= 16384,
-};
-
-static gxio_mpipe_context_t *
-mpipe_context(int instance)
-{
-	if (instance < 0 || instance >= mpipe_instances)
-		return NULL;
-	return &mpipe_contexts[instance].context;
-}
-
-static int mpipe_channel_config(int instance, int channel,
-				struct mpipe_channel_config *config)
-{
-	struct mpipe_channel_config *data;
-	struct mpipe_context *context;
-	gxio_mpipe_rules_t rules;
-	int idx, rc = 0;
-
-	if (instance < 0 || instance >= mpipe_instances ||
-	    channel < 0 || channel >= MPIPE_MAX_CHANNELS)
-		return -EINVAL;
-
-	context = &mpipe_contexts[instance];
-
-	rte_spinlock_lock(&context->lock);
-
-	gxio_mpipe_rules_init(&rules, &context->context);
-
-	for (idx = 0; idx < MPIPE_MAX_CHANNELS; idx++) {
-		data = (channel == idx) ? config : &context->channels[idx];
-
-		if (!data->enable)
-			continue;
-
-		rc = gxio_mpipe_rules_begin(&rules, data->first_bucket,
-					    data->num_buckets, &data->stacks);
-		if (rc < 0) {
-			goto done;
-		}
-
-		rc = gxio_mpipe_rules_add_channel(&rules, idx);
-		if (rc < 0) {
-			goto done;
-		}
-
-		rc = gxio_mpipe_rules_set_headroom(&rules, data->head_room);
-		if (rc < 0) {
-			goto done;
-		}
-	}
-
-	rc = gxio_mpipe_rules_commit(&rules);
-	if (rc == 0) {
-		memcpy(&context->channels[channel], config, sizeof(*config));
-	}
-
-done:
-	rte_spinlock_unlock(&context->lock);
-
-	return rc;
-}
-
-static int
-mpipe_get_size_index(int *array, int count, int size,
-		     bool roundup)
-{
-	int i, last = -1;
-
-	for (i = 0; i < count && array[i] < size; i++) {
-		if (array[i])
-			last = i;
-	}
-
-	if (roundup)
-		return i < count ? (int)i : -ENOENT;
-	else
-		return last >= 0 ? last : -ENOENT;
-}
-
-static int
-mpipe_calc_size(int *array, int count, int size)
-{
-	int index = mpipe_get_size_index(array, count, size, 1);
-	return index < 0 ? index : array[index];
-}
-
-static int mpipe_equeue_size(int size)
-{
-	int result;
-	result = mpipe_calc_size(mpipe_equeue_sizes,
-				 RTE_DIM(mpipe_equeue_sizes), size);
-	return result;
-}
-
-static int mpipe_iqueue_size(int size)
-{
-	int result;
-	result = mpipe_calc_size(mpipe_iqueue_sizes,
-				 RTE_DIM(mpipe_iqueue_sizes), size);
-	return result;
-}
-
-static int mpipe_buffer_size_index(int size)
-{
-	int result;
-	result = mpipe_get_size_index(mpipe_buffer_sizes,
-				      RTE_DIM(mpipe_buffer_sizes), size, 0);
-	return result;
-}
-
-static inline int
-mpipe_dev_atomic_read_link_status(struct rte_eth_dev *dev,
-				  struct rte_eth_link *link)
-{
-	struct rte_eth_link *dst = link;
-	struct rte_eth_link *src = &(dev->data->dev_link);
-
-	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
-				*(uint64_t *)src) == 0)
-		return -1;
-
-	return 0;
-}
-
-static inline int
-mpipe_dev_atomic_write_link_status(struct rte_eth_dev *dev,
-				   struct rte_eth_link *link)
-{
-	struct rte_eth_link *dst = &(dev->data->dev_link);
-	struct rte_eth_link *src = link;
-
-	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
-				*(uint64_t *)src) == 0)
-		return -1;
-
-	return 0;
-}
-
-static void
-mpipe_infos_get(struct rte_eth_dev *dev __rte_unused,
-		struct rte_eth_dev_info *dev_info)
-{
-	dev_info->min_rx_bufsize  = 128;
-	dev_info->max_rx_pktlen   = 1518;
-	dev_info->max_tx_queues   = MPIPE_TX_MAX_QUEUES;
-	dev_info->max_rx_queues   = MPIPE_RX_MAX_QUEUES;
-	dev_info->max_mac_addrs   = 1;
-	dev_info->rx_offload_capa = 0;
-	dev_info->tx_offload_capa = 0;
-}
-
-static int
-mpipe_configure(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-
-	if (dev->data->nb_tx_queues > MPIPE_TX_MAX_QUEUES) {
-		RTE_LOG(ERR, PMD, "%s: Too many tx queues: %d > %d\n",
-			mpipe_name(priv), dev->data->nb_tx_queues,
-			MPIPE_TX_MAX_QUEUES);
-		return -EINVAL;
-	}
-	priv->nb_tx_queues = dev->data->nb_tx_queues;
-
-	if (dev->data->nb_rx_queues > MPIPE_RX_MAX_QUEUES) {
-		RTE_LOG(ERR, PMD, "%s: Too many rx queues: %d > %d\n",
-			mpipe_name(priv), dev->data->nb_rx_queues,
-			MPIPE_RX_MAX_QUEUES);
-	}
-	priv->nb_rx_queues = dev->data->nb_rx_queues;
-
-	return 0;
-}
-
-static inline int
-mpipe_link_compare(struct rte_eth_link *link1,
-		   struct rte_eth_link *link2)
-{
-	return (*(uint64_t *)link1 == *(uint64_t *)link2)
-		? -1 : 0;
-}
-
-static int
-mpipe_link_update(struct rte_eth_dev *dev, int wait_to_complete)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	struct rte_eth_link old, new;
-	int64_t state, speed;
-	int count, rc;
-
-	memset(&old, 0, sizeof(old));
-	memset(&new, 0, sizeof(new));
-	mpipe_dev_atomic_read_link_status(dev, &old);
-
-	for (count = 0, rc = 0; count < MPIPE_LINK_UPDATE_TIMEOUT; count++) {
-		if (!priv->initialized)
-			break;
-
-		state = gxio_mpipe_link_get_attr(&priv->link,
-						 GXIO_MPIPE_LINK_CURRENT_STATE);
-		if (state < 0)
-			break;
-
-		speed = state & GXIO_MPIPE_LINK_SPEED_MASK;
-
-		new.link_autoneg = (dev->data->dev_conf.link_speeds &
-				ETH_LINK_SPEED_AUTONEG);
-		if (speed == GXIO_MPIPE_LINK_1G) {
-			new.link_speed = ETH_SPEED_NUM_1G;
-			new.link_duplex = ETH_LINK_FULL_DUPLEX;
-			new.link_status = ETH_LINK_UP;
-		} else if (speed == GXIO_MPIPE_LINK_10G) {
-			new.link_speed = ETH_SPEED_NUM_10G;
-			new.link_duplex = ETH_LINK_FULL_DUPLEX;
-			new.link_status = ETH_LINK_UP;
-		}
-
-		rc = mpipe_link_compare(&old, &new);
-		if (rc == 0 || !wait_to_complete)
-			break;
-
-		rte_delay_us(MPIPE_LINK_UPDATE_INTERVAL);
-	}
-
-	mpipe_dev_atomic_write_link_status(dev, &new);
-	return rc;
-}
-
-static int
-mpipe_set_link(struct rte_eth_dev *dev, int up)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	int rc;
-
-	rc = gxio_mpipe_link_set_attr(&priv->link,
-				      GXIO_MPIPE_LINK_DESIRED_STATE,
-				      up ? GXIO_MPIPE_LINK_ANYSPEED : 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to set link %s.\n",
-			mpipe_name(priv), up ? "up" : "down");
-	} else {
-		mpipe_link_update(dev, 0);
-	}
-
-	return rc;
-}
-
-static int
-mpipe_set_link_up(struct rte_eth_dev *dev)
-{
-	return mpipe_set_link(dev, 1);
-}
-
-static int
-mpipe_set_link_down(struct rte_eth_dev *dev)
-{
-	return mpipe_set_link(dev, 0);
-}
-
-static inline void
-mpipe_dp_enter(struct mpipe_dev_priv *priv)
-{
-	__insn_mtspr(SPR_DSTREAM_PF, 0);
-	rte_atomic32_inc(&priv->dp_count);
-}
-
-static inline void
-mpipe_dp_exit(struct mpipe_dev_priv *priv)
-{
-	rte_atomic32_dec(&priv->dp_count);
-}
-
-static inline void
-mpipe_dp_wait(struct mpipe_dev_priv *priv)
-{
-	while (rte_atomic32_read(&priv->dp_count) != 0) {
-		rte_pause();
-	}
-}
-
-static inline int
-mpipe_mbuf_stack_index(struct mpipe_dev_priv *priv, struct rte_mbuf *mbuf)
-{
-	return (mbuf->port < RTE_MAX_ETHPORTS) ?
-		mpipe_priv(&rte_eth_devices[mbuf->port])->stack :
-		priv->stack;
-}
-
-static inline struct rte_mbuf *
-mpipe_recv_mbuf(struct mpipe_dev_priv *priv, gxio_mpipe_idesc_t *idesc,
-		int in_port)
-{
-	void *va = gxio_mpipe_idesc_get_va(idesc);
-	uint16_t size = gxio_mpipe_idesc_get_xfer_size(idesc);
-	struct rte_mbuf *mbuf = RTE_PTR_SUB(va, priv->rx_offset);
-
-	rte_pktmbuf_reset(mbuf);
-	mbuf->data_off = (uintptr_t)va - (uintptr_t)mbuf->buf_addr;
-	mbuf->port     = in_port;
-	mbuf->data_len = size;
-	mbuf->pkt_len  = size;
-	mbuf->hash.rss = gxio_mpipe_idesc_get_flow_hash(idesc);
-
-	PMD_DEBUG_RX("%s: RX mbuf %p, buffer %p, buf_addr %p, size %d\n",
-		     mpipe_name(priv), mbuf, va, mbuf->buf_addr, size);
-
-	return mbuf;
-}
-
-static inline void
-mpipe_recv_push(struct mpipe_dev_priv *priv, struct rte_mbuf *mbuf)
-{
-	const int offset = RTE_PKTMBUF_HEADROOM + MPIPE_RX_IP_ALIGN;
-	void *buf_addr = RTE_PTR_ADD(mbuf->buf_addr, offset);
-
-	gxio_mpipe_push_buffer(priv->context, priv->stack, buf_addr);
-	PMD_DEBUG_RX("%s: Pushed mbuf %p, buffer %p into stack %d\n",
-		     mpipe_name(priv), mbuf, buf_addr, priv->stack);
-}
-
-static inline void
-mpipe_recv_fill_stack(struct mpipe_dev_priv *priv, int count)
-{
-	struct rte_mbuf *mbuf;
-	int i;
-
-	for (i = 0; i < count; i++) {
-		mbuf = rte_mbuf_raw_alloc(priv->rx_mpool);
-		if (!mbuf)
-			break;
-		mpipe_recv_push(priv, mbuf);
-	}
-
-	PMD_DEBUG_RX("%s: Filled %d/%d buffers\n", mpipe_name(priv), i, count);
-}
-
-static inline void
-mpipe_recv_flush_stack(struct mpipe_dev_priv *priv)
-{
-	const int offset = priv->rx_offset & ~RTE_MEMPOOL_ALIGN_MASK;
-	uint8_t in_port = priv->port_id;
-	struct rte_mbuf *mbuf;
-	void *va;
-
-	while (1) {
-		va = gxio_mpipe_pop_buffer(priv->context, priv->stack);
-		if (!va)
-			break;
-		mbuf = RTE_PTR_SUB(va, offset);
-
-		PMD_DEBUG_RX("%s: Flushing mbuf %p, va %p\n",
-			     mpipe_name(priv), mbuf, va);
-
-		mbuf->data_off    = (uintptr_t)va - (uintptr_t)mbuf->buf_addr;
-		mbuf->refcnt      = 1;
-		mbuf->nb_segs     = 1;
-		mbuf->port        = in_port;
-		mbuf->packet_type = 0;
-		mbuf->data_len    = 0;
-		mbuf->pkt_len     = 0;
-
-		__rte_mbuf_raw_free(mbuf);
-	}
-}
-
-static void
-mpipe_register_segment(struct mpipe_dev_priv *priv, const struct rte_memseg *ms)
-{
-	size_t size = ms->hugepage_sz;
-	uint8_t *addr, *end;
-	int rc;
-
-	for (addr = ms->addr, end = addr + ms->len; addr < end; addr += size) {
-		rc = gxio_mpipe_register_page(priv->context, priv->stack, addr,
-					      size, 0);
-		if (rc < 0)
-			break;
-	}
-
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Could not register memseg @%p, %d.\n",
-			mpipe_name(priv), ms->addr, rc);
-	} else {
-		RTE_LOG(DEBUG, PMD, "%s: Registered segment %p - %p\n",
-			mpipe_name(priv), ms->addr,
-			RTE_PTR_ADD(ms->addr, ms->len - 1));
-	}
-}
-
-static int
-mpipe_recv_init(struct mpipe_dev_priv *priv)
-{
-	const struct rte_memseg *seg = rte_eal_get_physmem_layout();
-	size_t stack_size;
-	void *stack_mem;
-	int rc;
-
-	if (!priv->rx_mpool) {
-		RTE_LOG(ERR, PMD, "%s: No buffer pool.\n",
-			mpipe_name(priv));
-		return -ENODEV;
-	}
-
-	/* Allocate one NotifRing for each queue. */
-	rc = gxio_mpipe_alloc_notif_rings(priv->context, MPIPE_RX_MAX_QUEUES,
-					  0, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate notif rings.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->first_ring = rc;
-
-	/* Allocate a NotifGroup. */
-	rc = gxio_mpipe_alloc_notif_groups(priv->context, 1, 0, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate rx group.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->notif_group = rc;
-
-	/* Allocate required buckets. */
-	rc = gxio_mpipe_alloc_buckets(priv->context, MPIPE_RX_BUCKETS, 0, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate buckets.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->first_bucket = rc;
-
-	rc = gxio_mpipe_alloc_buffer_stacks(priv->context, 1, 0, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate buffer stack.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->stack = rc;
-
-	while (seg && seg->addr)
-		mpipe_register_segment(priv, seg++);
-
-	stack_size = gxio_mpipe_calc_buffer_stack_bytes(MPIPE_RX_STACK_SIZE);
-	stack_mem = rte_zmalloc(NULL, stack_size, 65536);
-	if (!stack_mem) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate buffer memory.\n",
-			mpipe_name(priv));
-		return -ENOMEM;
-	} else {
-		RTE_LOG(DEBUG, PMD, "%s: Buffer stack memory %p - %p.\n",
-			mpipe_name(priv), stack_mem,
-			RTE_PTR_ADD(stack_mem, stack_size - 1));
-	}
-
-	rc = gxio_mpipe_init_buffer_stack(priv->context, priv->stack,
-					  priv->rx_size_code, stack_mem,
-					  stack_size, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to initialize buffer stack.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	return 0;
-}
-
-static int
-mpipe_xmit_init(struct mpipe_dev_priv *priv)
-{
-	size_t ring_size;
-	void *ring_mem;
-	int rc;
-
-	/* Allocate eDMA ring. */
-	rc = gxio_mpipe_alloc_edma_rings(priv->context, 1, 0, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to alloc tx ring.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->ering = rc;
-
-	rc = mpipe_equeue_size(MPIPE_TX_DESCS);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Cannot allocate %d equeue descs.\n",
-			mpipe_name(priv), (int)MPIPE_TX_DESCS);
-		return -ENOMEM;
-	}
-	priv->equeue_size = rc;
-
-	/* Initialize completion array. */
-	ring_size = sizeof(priv->tx_comps[0]) * priv->equeue_size;
-	priv->tx_comps = rte_zmalloc(NULL, ring_size, RTE_CACHE_LINE_SIZE);
-	if (!priv->tx_comps) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate egress comps.\n",
-			mpipe_name(priv));
-		return -ENOMEM;
-	}
-
-	/* Allocate eDMA ring memory. */
-	ring_size = sizeof(gxio_mpipe_edesc_t) * priv->equeue_size;
-	ring_mem = rte_zmalloc(NULL, ring_size, ring_size);
-	if (!ring_mem) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate egress descs.\n",
-			mpipe_name(priv));
-		return -ENOMEM;
-	} else {
-		RTE_LOG(DEBUG, PMD, "%s: eDMA ring memory %p - %p.\n",
-			mpipe_name(priv), ring_mem,
-			RTE_PTR_ADD(ring_mem, ring_size - 1));
-	}
-
-	/* Initialize eDMA ring. */
-	rc = gxio_mpipe_equeue_init(&priv->equeue, priv->context, priv->ering,
-				    priv->channel, ring_mem, ring_size, 0);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to init equeue\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	return 0;
-}
-
-static int
-mpipe_link_init(struct mpipe_dev_priv *priv)
-{
-	int rc;
-
-	/* Open the link. */
-	rc = gxio_mpipe_link_open(&priv->link, priv->context,
-				  mpipe_name(priv), GXIO_MPIPE_LINK_AUTO_NONE);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to open link.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	/* Get the channel index. */
-	rc = gxio_mpipe_link_channel(&priv->link);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Bad channel\n",
-			mpipe_name(priv));
-		return rc;
-	}
-	priv->channel = rc;
-
-	return 0;
-}
-
-static int
-mpipe_init(struct mpipe_dev_priv *priv)
-{
-	int rc;
-
-	if (priv->initialized)
-		return 0;
-
-	rc = mpipe_recv_init(priv);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to init rx.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	rc = mpipe_xmit_init(priv);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to init tx.\n",
-			mpipe_name(priv));
-		rte_free(priv);
-		return rc;
-	}
-
-	priv->initialized = 1;
-
-	return 0;
-}
-
-static int
-mpipe_start(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	struct mpipe_channel_config config;
-	struct mpipe_rx_queue *rx_queue;
-	struct rte_eth_link eth_link;
-	unsigned queue, buffers = 0;
-	size_t ring_size;
-	void *ring_mem;
-	int rc;
-
-	memset(&eth_link, 0, sizeof(eth_link));
-	mpipe_dev_atomic_write_link_status(dev, &eth_link);
-
-	rc = mpipe_init(priv);
-	if (rc < 0)
-		return rc;
-
-	/* Initialize NotifRings. */
-	for (queue = 0; queue < priv->nb_rx_queues; queue++) {
-		rx_queue = mpipe_rx_queue(priv, queue);
-		ring_size = rx_queue->q.nb_desc * sizeof(gxio_mpipe_idesc_t);
-
-		ring_mem = rte_malloc(NULL, ring_size, ring_size);
-		if (!ring_mem) {
-			RTE_LOG(ERR, PMD, "%s: Failed to alloc rx descs.\n",
-				mpipe_name(priv));
-			return -ENOMEM;
-		} else {
-			RTE_LOG(DEBUG, PMD, "%s: iDMA ring %d memory %p - %p.\n",
-				mpipe_name(priv), queue, ring_mem,
-				RTE_PTR_ADD(ring_mem, ring_size - 1));
-		}
-
-		rc = gxio_mpipe_iqueue_init(&rx_queue->iqueue, priv->context,
-					    priv->first_ring + queue, ring_mem,
-					    ring_size, 0);
-		if (rc < 0) {
-			RTE_LOG(ERR, PMD, "%s: Failed to init rx queue.\n",
-				mpipe_name(priv));
-			return rc;
-		}
-
-		rx_queue->rx_ring_mem = ring_mem;
-		buffers += rx_queue->q.nb_desc;
-	}
-
-	/* Initialize ingress NotifGroup and buckets. */
-	rc = gxio_mpipe_init_notif_group_and_buckets(priv->context,
-			priv->notif_group, priv->first_ring, priv->nb_rx_queues,
-			priv->first_bucket, MPIPE_RX_BUCKETS,
-			GXIO_MPIPE_BUCKET_STATIC_FLOW_AFFINITY);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to init group and buckets.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	/* Configure the classifier to deliver packets from this port. */
-	config.enable = 1;
-	config.first_bucket = priv->first_bucket;
-	config.num_buckets = MPIPE_RX_BUCKETS;
-	memset(&config.stacks, 0xff, sizeof(config.stacks));
-	config.stacks.stacks[priv->rx_size_code] = priv->stack;
-	config.head_room = priv->rx_offset & RTE_MEMPOOL_ALIGN_MASK;
-
-	rc = mpipe_channel_config(priv->instance, priv->channel,
-				  &config);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to setup classifier.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	/* Fill empty buffers into the buffer stack. */
-	mpipe_recv_fill_stack(priv, buffers);
-
-	/* Bring up the link. */
-	mpipe_set_link_up(dev);
-
-	/* Start xmit/recv on queues. */
-	for (queue = 0; queue < priv->nb_tx_queues; queue++)
-		mpipe_tx_queue(priv, queue)->q.link_status = ETH_LINK_UP;
-	for (queue = 0; queue < priv->nb_rx_queues; queue++)
-		mpipe_rx_queue(priv, queue)->q.link_status = ETH_LINK_UP;
-	priv->running = 1;
-
-	return 0;
-}
-
-static void
-mpipe_stop(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	struct mpipe_channel_config config;
-	unsigned queue;
-	int rc;
-
-	for (queue = 0; queue < priv->nb_tx_queues; queue++)
-		mpipe_tx_queue(priv, queue)->q.link_status = ETH_LINK_DOWN;
-	for (queue = 0; queue < priv->nb_rx_queues; queue++)
-		mpipe_rx_queue(priv, queue)->q.link_status = ETH_LINK_DOWN;
-
-	/* Make sure the link_status writes land. */
-	rte_wmb();
-
-	/*
-	 * Wait for link_status change to register with straggling datapath
-	 * threads.
-	 */
-	mpipe_dp_wait(priv);
-
-	/* Bring down the link. */
-	mpipe_set_link_down(dev);
-
-	/* Remove classifier rules. */
-	memset(&config, 0, sizeof(config));
-	rc = mpipe_channel_config(priv->instance, priv->channel,
-				  &config);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to stop classifier.\n",
-			mpipe_name(priv));
-	}
-
-	/* Flush completed xmit packets. */
-	mpipe_xmit_flush(priv);
-
-	/* Flush buffer stacks. */
-	mpipe_recv_flush(priv);
-
-	priv->running = 0;
-}
-
-static void
-mpipe_close(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	if (priv->running)
-		mpipe_stop(dev);
-}
-
-static void
-mpipe_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	struct mpipe_tx_queue *tx_queue;
-	struct mpipe_rx_queue *rx_queue;
-	unsigned i;
-	uint16_t idx;
-
-	memset(stats, 0, sizeof(*stats));
-
-	for (i = 0; i < priv->nb_tx_queues; i++) {
-		tx_queue = mpipe_tx_queue(priv, i);
-
-		stats->opackets += tx_queue->q.stats.packets;
-		stats->obytes   += tx_queue->q.stats.bytes;
-		stats->oerrors  += tx_queue->q.stats.errors;
-
-		idx = tx_queue->q.stat_idx;
-		if (idx != (uint16_t)-1) {
-			stats->q_opackets[idx] += tx_queue->q.stats.packets;
-			stats->q_obytes[idx]   += tx_queue->q.stats.bytes;
-			stats->q_errors[idx]   += tx_queue->q.stats.errors;
-		}
-	}
-
-	for (i = 0; i < priv->nb_rx_queues; i++) {
-		rx_queue = mpipe_rx_queue(priv, i);
-
-		stats->ipackets  += rx_queue->q.stats.packets;
-		stats->ibytes    += rx_queue->q.stats.bytes;
-		stats->ierrors   += rx_queue->q.stats.errors;
-		stats->rx_nombuf += rx_queue->q.stats.nomem;
-
-		idx = rx_queue->q.stat_idx;
-		if (idx != (uint16_t)-1) {
-			stats->q_ipackets[idx] += rx_queue->q.stats.packets;
-			stats->q_ibytes[idx]   += rx_queue->q.stats.bytes;
-			stats->q_errors[idx]   += rx_queue->q.stats.errors;
-		}
-	}
-}
-
-static void
-mpipe_stats_reset(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	struct mpipe_tx_queue *tx_queue;
-	struct mpipe_rx_queue *rx_queue;
-	unsigned i;
-
-	for (i = 0; i < priv->nb_tx_queues; i++) {
-		tx_queue = mpipe_tx_queue(priv, i);
-		memset(&tx_queue->q.stats, 0, sizeof(tx_queue->q.stats));
-	}
-
-	for (i = 0; i < priv->nb_rx_queues; i++) {
-		rx_queue = mpipe_rx_queue(priv, i);
-		memset(&rx_queue->q.stats, 0, sizeof(rx_queue->q.stats));
-	}
-}
-
-static int
-mpipe_queue_stats_mapping_set(struct rte_eth_dev *dev, uint16_t queue_id,
-			      uint8_t stat_idx, uint8_t is_rx)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-
-	if (is_rx) {
-		priv->rx_stat_mapping[stat_idx] = queue_id;
-	} else {
-		priv->tx_stat_mapping[stat_idx] = queue_id;
-	}
-
-	return 0;
-}
-
-static int
-mpipe_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
-		     uint16_t nb_desc, unsigned int socket_id __rte_unused,
-		     const struct rte_eth_txconf *tx_conf __rte_unused)
-{
-	struct mpipe_tx_queue *tx_queue = dev->data->tx_queues[queue_idx];
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	uint16_t idx;
-
-	tx_queue = rte_realloc(tx_queue, sizeof(*tx_queue),
-			       RTE_CACHE_LINE_SIZE);
-	if (!tx_queue) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate TX queue.\n",
-			mpipe_name(priv));
-		return -ENOMEM;
-	}
-
-	memset(&tx_queue->q, 0, sizeof(tx_queue->q));
-	tx_queue->q.priv = priv;
-	tx_queue->q.queue_idx = queue_idx;
-	tx_queue->q.port_id = dev->data->port_id;
-	tx_queue->q.nb_desc = nb_desc;
-
-	tx_queue->q.stat_idx = -1;
-	for (idx = 0; idx < RTE_ETHDEV_QUEUE_STAT_CNTRS; idx++) {
-		if (priv->tx_stat_mapping[idx] == queue_idx)
-			tx_queue->q.stat_idx = idx;
-	}
-
-	dev->data->tx_queues[queue_idx] = tx_queue;
-
-	return 0;
-}
-
-static void
-mpipe_tx_queue_release(void *_txq)
-{
-	rte_free(_txq);
-}
-
-static int
-mpipe_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
-		     uint16_t nb_desc, unsigned int socket_id __rte_unused,
-		     const struct rte_eth_rxconf *rx_conf __rte_unused,
-		     struct rte_mempool *mp)
-{
-	struct mpipe_rx_queue *rx_queue = dev->data->rx_queues[queue_idx];
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	uint16_t idx;
-	int size, rc;
-
-	rc = mpipe_iqueue_size(nb_desc);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Cannot allocate %d iqueue descs.\n",
-			mpipe_name(priv), (int)nb_desc);
-		return -ENOMEM;
-	}
-
-	if (rc != nb_desc) {
-		RTE_LOG(WARNING, PMD, "%s: Extending RX descs from %d to %d.\n",
-			mpipe_name(priv), (int)nb_desc, rc);
-		nb_desc = rc;
-	}
-
-	size = sizeof(*rx_queue);
-	rx_queue = rte_realloc(rx_queue, size, RTE_CACHE_LINE_SIZE);
-	if (!rx_queue) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate RX queue.\n",
-			mpipe_name(priv));
-		return -ENOMEM;
-	}
-
-	memset(&rx_queue->q, 0, sizeof(rx_queue->q));
-	rx_queue->q.priv = priv;
-	rx_queue->q.nb_desc = nb_desc;
-	rx_queue->q.port_id = dev->data->port_id;
-	rx_queue->q.queue_idx = queue_idx;
-
-	if (!priv->rx_mpool) {
-		int size = (rte_pktmbuf_data_room_size(mp) -
-			    RTE_PKTMBUF_HEADROOM -
-			    MPIPE_RX_IP_ALIGN);
-
-		priv->rx_offset = (sizeof(struct rte_mbuf) +
-				   rte_pktmbuf_priv_size(mp) +
-				   RTE_PKTMBUF_HEADROOM +
-				   MPIPE_RX_IP_ALIGN);
-		if (size < 0) {
-			RTE_LOG(ERR, PMD, "%s: Bad buffer size %d.\n",
-				mpipe_name(priv),
-				rte_pktmbuf_data_room_size(mp));
-			return -ENOMEM;
-		}
-
-		priv->rx_size_code = mpipe_buffer_size_index(size);
-		priv->rx_mpool = mp;
-	}
-
-	if (priv->rx_mpool != mp) {
-		RTE_LOG(WARNING, PMD, "%s: Ignoring multiple buffer pools.\n",
-			mpipe_name(priv));
-	}
-
-	rx_queue->q.stat_idx = -1;
-	for (idx = 0; idx < RTE_ETHDEV_QUEUE_STAT_CNTRS; idx++) {
-		if (priv->rx_stat_mapping[idx] == queue_idx)
-			rx_queue->q.stat_idx = idx;
-	}
-
-	dev->data->rx_queues[queue_idx] = rx_queue;
-
-	return 0;
-}
-
-static void
-mpipe_rx_queue_release(void *_rxq)
-{
-	rte_free(_rxq);
-}
-
-#define MPIPE_XGBE_ENA_HASH_MULTI	\
-	(1UL << MPIPE_XAUI_RECEIVE_CONFIGURATION__ENA_HASH_MULTI_SHIFT)
-#define MPIPE_XGBE_ENA_HASH_UNI		\
-	(1UL << MPIPE_XAUI_RECEIVE_CONFIGURATION__ENA_HASH_UNI_SHIFT)
-#define MPIPE_XGBE_COPY_ALL		\
-	(1UL << MPIPE_XAUI_RECEIVE_CONFIGURATION__COPY_ALL_SHIFT)
-#define MPIPE_GBE_ENA_MULTI_HASH	\
-	(1UL << MPIPE_GBE_NETWORK_CONFIGURATION__MULTI_HASH_ENA_SHIFT)
-#define MPIPE_GBE_ENA_UNI_HASH		\
-	(1UL << MPIPE_GBE_NETWORK_CONFIGURATION__UNI_HASH_ENA_SHIFT)
-#define MPIPE_GBE_COPY_ALL		\
-	(1UL << MPIPE_GBE_NETWORK_CONFIGURATION__COPY_ALL_SHIFT)
-
-static void
-mpipe_promiscuous_enable(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	int64_t reg;
-	int addr;
-
-	if (priv->is_xaui) {
-		addr = MPIPE_XAUI_RECEIVE_CONFIGURATION;
-		reg  = gxio_mpipe_link_mac_rd(&priv->link, addr);
-		reg &= ~MPIPE_XGBE_ENA_HASH_MULTI;
-		reg &= ~MPIPE_XGBE_ENA_HASH_UNI;
-		reg |=  MPIPE_XGBE_COPY_ALL;
-		gxio_mpipe_link_mac_wr(&priv->link, addr, reg);
-	} else {
-		addr = MPIPE_GBE_NETWORK_CONFIGURATION;
-		reg  = gxio_mpipe_link_mac_rd(&priv->link, addr);
-		reg &= ~MPIPE_GBE_ENA_MULTI_HASH;
-		reg &= ~MPIPE_GBE_ENA_UNI_HASH;
-		reg |=  MPIPE_GBE_COPY_ALL;
-		gxio_mpipe_link_mac_wr(&priv->link, addr, reg);
-	}
-}
-
-static void
-mpipe_promiscuous_disable(struct rte_eth_dev *dev)
-{
-	struct mpipe_dev_priv *priv = mpipe_priv(dev);
-	int64_t reg;
-	int addr;
-
-	if (priv->is_xaui) {
-		addr = MPIPE_XAUI_RECEIVE_CONFIGURATION;
-		reg  = gxio_mpipe_link_mac_rd(&priv->link, addr);
-		reg |=  MPIPE_XGBE_ENA_HASH_MULTI;
-		reg |=  MPIPE_XGBE_ENA_HASH_UNI;
-		reg &= ~MPIPE_XGBE_COPY_ALL;
-		gxio_mpipe_link_mac_wr(&priv->link, addr, reg);
-	} else {
-		addr = MPIPE_GBE_NETWORK_CONFIGURATION;
-		reg  = gxio_mpipe_link_mac_rd(&priv->link, addr);
-		reg |=  MPIPE_GBE_ENA_MULTI_HASH;
-		reg |=  MPIPE_GBE_ENA_UNI_HASH;
-		reg &= ~MPIPE_GBE_COPY_ALL;
-		gxio_mpipe_link_mac_wr(&priv->link, addr, reg);
-	}
-}
-
-static const struct eth_dev_ops mpipe_dev_ops = {
-	.dev_infos_get	         = mpipe_infos_get,
-	.dev_configure	         = mpipe_configure,
-	.dev_start	         = mpipe_start,
-	.dev_stop	         = mpipe_stop,
-	.dev_close	         = mpipe_close,
-	.stats_get	         = mpipe_stats_get,
-	.stats_reset	         = mpipe_stats_reset,
-	.queue_stats_mapping_set = mpipe_queue_stats_mapping_set,
-	.tx_queue_setup	         = mpipe_tx_queue_setup,
-	.rx_queue_setup	         = mpipe_rx_queue_setup,
-	.tx_queue_release	 = mpipe_tx_queue_release,
-	.rx_queue_release	 = mpipe_rx_queue_release,
-	.link_update	         = mpipe_link_update,
-	.dev_set_link_up         = mpipe_set_link_up,
-	.dev_set_link_down       = mpipe_set_link_down,
-	.promiscuous_enable      = mpipe_promiscuous_enable,
-	.promiscuous_disable     = mpipe_promiscuous_disable,
-};
-
-static inline void
-mpipe_xmit_null(struct mpipe_dev_priv *priv, int64_t start, int64_t end)
-{
-	gxio_mpipe_edesc_t null_desc = { { .bound = 1, .ns = 1 } };
-	gxio_mpipe_equeue_t *equeue = &priv->equeue;
-	int64_t slot;
-
-	for (slot = start; slot < end; slot++) {
-		gxio_mpipe_equeue_put_at(equeue, null_desc, slot);
-	}
-}
-
-static void
-mpipe_xmit_flush(struct mpipe_dev_priv *priv)
-{
-	gxio_mpipe_equeue_t *equeue = &priv->equeue;
-	int64_t slot;
-
-	/* Post a dummy descriptor and wait for its return. */
-	slot = gxio_mpipe_equeue_reserve(equeue, 1);
-	if (slot < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to reserve stop slot.\n",
-			mpipe_name(priv));
-		return;
-	}
-
-	mpipe_xmit_null(priv, slot, slot + 1);
-
-	while (!gxio_mpipe_equeue_is_complete(equeue, slot, 1)) {
-		rte_pause();
-	}
-
-	for (slot = 0; slot < priv->equeue_size; slot++) {
-		if (priv->tx_comps[slot])
-			rte_pktmbuf_free_seg(priv->tx_comps[slot]);
-	}
-}
-
-static void
-mpipe_recv_flush(struct mpipe_dev_priv *priv)
-{
-	uint8_t in_port = priv->port_id;
-	struct mpipe_rx_queue *rx_queue;
-	gxio_mpipe_iqueue_t *iqueue;
-	gxio_mpipe_idesc_t idesc;
-	struct rte_mbuf *mbuf;
-	unsigned queue;
-
-	/* Release packets on the buffer stack. */
-	mpipe_recv_flush_stack(priv);
-
-	/* Flush packets sitting in recv queues. */
-	for (queue = 0; queue < priv->nb_rx_queues; queue++) {
-		rx_queue = mpipe_rx_queue(priv, queue);
-		iqueue = &rx_queue->iqueue;
-		while (gxio_mpipe_iqueue_try_get(iqueue, &idesc) >= 0) {
-			/* Skip idesc with the 'buffer error' bit set. */
-			if (idesc.be)
-				continue;
-			mbuf = mpipe_recv_mbuf(priv, &idesc, in_port);
-			rte_pktmbuf_free(mbuf);
-		}
-		rte_free(rx_queue->rx_ring_mem);
-	}
-}
-
-static inline uint16_t
-mpipe_do_xmit(struct mpipe_tx_queue *tx_queue, struct rte_mbuf **tx_pkts,
-	      uint16_t nb_pkts)
-{
-	struct mpipe_dev_priv *priv = tx_queue->q.priv;
-	gxio_mpipe_equeue_t *equeue = &priv->equeue;
-	unsigned nb_bytes = 0;
-	unsigned nb_sent = 0;
-	int nb_slots, i;
-	uint8_t port_id;
-
-	PMD_DEBUG_TX("Trying to transmit %d packets on %s:%d.\n",
-		     nb_pkts, mpipe_name(tx_queue->q.priv),
-		     tx_queue->q.queue_idx);
-
-	/* Optimistic assumption that we need exactly one slot per packet. */
-	nb_slots = RTE_MIN(nb_pkts, MPIPE_TX_DESCS / 2);
-
-	do {
-		struct rte_mbuf *mbuf = NULL, *pkt = NULL;
-		int64_t slot;
-
-		/* Reserve eDMA ring slots. */
-		slot = gxio_mpipe_equeue_try_reserve_fast(equeue, nb_slots);
-		if (unlikely(slot < 0)) {
-			break;
-		}
-
-		for (i = 0; i < nb_slots; i++) {
-			unsigned idx = (slot + i) & (priv->equeue_size - 1);
-			rte_prefetch0(priv->tx_comps[idx]);
-		}
-
-		/* Fill up slots with descriptor and completion info. */
-		for (i = 0; i < nb_slots; i++) {
-			unsigned idx = (slot + i) & (priv->equeue_size - 1);
-			gxio_mpipe_edesc_t desc;
-			struct rte_mbuf *next;
-
-			/* Starting on a new packet? */
-			if (likely(!mbuf)) {
-				int room = nb_slots - i;
-
-				pkt = mbuf = tx_pkts[nb_sent];
-
-				/* Bail out if we run out of descs. */
-				if (unlikely(pkt->nb_segs > room))
-					break;
-
-				nb_sent++;
-			}
-
-			/* We have a segment to send. */
-			next = mbuf->next;
-
-			if (priv->tx_comps[idx])
-				rte_pktmbuf_free_seg(priv->tx_comps[idx]);
-
-			port_id = (mbuf->port < RTE_MAX_ETHPORTS) ?
-						mbuf->port : priv->port_id;
-			desc = (gxio_mpipe_edesc_t) { {
-				.va        = rte_pktmbuf_mtod(mbuf, uintptr_t),
-				.xfer_size = rte_pktmbuf_data_len(mbuf),
-				.bound     = next ? 0 : 1,
-				.stack_idx = mpipe_mbuf_stack_index(priv, mbuf),
-				.size      = priv->rx_size_code,
-			} };
-			if (mpipe_local.mbuf_push_debt[port_id] > 0) {
-				mpipe_local.mbuf_push_debt[port_id]--;
-				desc.hwb = 1;
-				priv->tx_comps[idx] = NULL;
-			} else
-				priv->tx_comps[idx] = mbuf;
-
-			nb_bytes += mbuf->data_len;
-			gxio_mpipe_equeue_put_at(equeue, desc, slot + i);
-
-			PMD_DEBUG_TX("%s:%d: Sending packet %p, len %d\n",
-				     mpipe_name(priv),
-				     tx_queue->q.queue_idx,
-				     rte_pktmbuf_mtod(mbuf, void *),
-				     rte_pktmbuf_data_len(mbuf));
-
-			mbuf = next;
-		}
-
-		if (unlikely(nb_sent < nb_pkts)) {
-
-			/* Fill remaining slots with null descriptors. */
-			mpipe_xmit_null(priv, slot + i, slot + nb_slots);
-
-			/*
-			 * Calculate exact number of descriptors needed for
-			 * the next go around.
-			 */
-			nb_slots = 0;
-			for (i = nb_sent; i < nb_pkts; i++) {
-				nb_slots += tx_pkts[i]->nb_segs;
-			}
-
-			nb_slots = RTE_MIN(nb_slots, MPIPE_TX_DESCS / 2);
-		}
-	} while (nb_sent < nb_pkts);
-
-	tx_queue->q.stats.packets += nb_sent;
-	tx_queue->q.stats.bytes   += nb_bytes;
-
-	return nb_sent;
-}
-
-static inline uint16_t
-mpipe_do_recv(struct mpipe_rx_queue *rx_queue, struct rte_mbuf **rx_pkts,
-	      uint16_t nb_pkts)
-{
-	struct mpipe_dev_priv *priv = rx_queue->q.priv;
-	gxio_mpipe_iqueue_t *iqueue = &rx_queue->iqueue;
-	gxio_mpipe_idesc_t *first_idesc, *idesc, *last_idesc;
-	uint8_t in_port = rx_queue->q.port_id;
-	const unsigned look_ahead = 8;
-	int room = nb_pkts, rc = 0;
-	unsigned nb_packets = 0;
-	unsigned nb_dropped = 0;
-	unsigned nb_nomem = 0;
-	unsigned nb_bytes = 0;
-	unsigned nb_descs, i;
-
-	while (room && !rc) {
-		if (rx_queue->avail_descs < room) {
-			rc = gxio_mpipe_iqueue_try_peek(iqueue,
-							&rx_queue->next_desc);
-			rx_queue->avail_descs = rc < 0 ? 0 : rc;
-		}
-
-		if (unlikely(!rx_queue->avail_descs)) {
-			break;
-		}
-
-		nb_descs = RTE_MIN(room, rx_queue->avail_descs);
-
-		first_idesc = rx_queue->next_desc;
-		last_idesc  = first_idesc + nb_descs;
-
-		rx_queue->next_desc   += nb_descs;
-		rx_queue->avail_descs -= nb_descs;
-
-		for (i = 1; i < look_ahead; i++) {
-			rte_prefetch0(first_idesc + i);
-		}
-
-		PMD_DEBUG_RX("%s:%d: Trying to receive %d packets\n",
-			     mpipe_name(rx_queue->q.priv),
-			     rx_queue->q.queue_idx,
-			     nb_descs);
-
-		for (idesc = first_idesc; idesc < last_idesc; idesc++) {
-			struct rte_mbuf *mbuf;
-
-			PMD_DEBUG_RX("%s:%d: processing idesc %d/%d\n",
-				     mpipe_name(priv),
-				     rx_queue->q.queue_idx,
-				     nb_packets, nb_descs);
-
-			rte_prefetch0(idesc + look_ahead);
-
-			PMD_DEBUG_RX("%s:%d: idesc %p, %s%s%s%s%s%s%s%s%s%s"
-				     "size: %d, bkt: %d, chan: %d, ring: %d, sqn: %lu, va: %lu\n",
-				     mpipe_name(priv),
-				     rx_queue->q.queue_idx,
-				     idesc,
-				     idesc->me ? "me, " : "",
-				     idesc->tr ? "tr, " : "",
-				     idesc->ce ? "ce, " : "",
-				     idesc->ct ? "ct, " : "",
-				     idesc->cs ? "cs, " : "",
-				     idesc->nr ? "nr, " : "",
-				     idesc->sq ? "sq, " : "",
-				     idesc->ts ? "ts, " : "",
-				     idesc->ps ? "ps, " : "",
-				     idesc->be ? "be, " : "",
-				     idesc->l2_size,
-				     idesc->bucket_id,
-				     idesc->channel,
-				     idesc->notif_ring,
-				     (unsigned long)idesc->packet_sqn,
-				     (unsigned long)idesc->va);
-
-			if (unlikely(gxio_mpipe_idesc_has_error(idesc))) {
-				nb_dropped++;
-				gxio_mpipe_iqueue_drop(iqueue, idesc);
-				PMD_DEBUG_RX("%s:%d: Descriptor error\n",
-					     mpipe_name(rx_queue->q.priv),
-					     rx_queue->q.queue_idx);
-				continue;
-			}
-
-			if (mpipe_local.mbuf_push_debt[in_port] <
-					MPIPE_BUF_DEBT_THRESHOLD)
-				mpipe_local.mbuf_push_debt[in_port]++;
-			else {
-				mbuf = rte_mbuf_raw_alloc(priv->rx_mpool);
-				if (unlikely(!mbuf)) {
-					nb_nomem++;
-					gxio_mpipe_iqueue_drop(iqueue, idesc);
-					PMD_DEBUG_RX("%s:%d: alloc failure\n",
-					     mpipe_name(rx_queue->q.priv),
-					     rx_queue->q.queue_idx);
-					continue;
-				}
-
-				mpipe_recv_push(priv, mbuf);
-			}
-
-			/* Get and setup the mbuf for the received packet. */
-			mbuf = mpipe_recv_mbuf(priv, idesc, in_port);
-
-			/* Update results and statistics counters. */
-			rx_pkts[nb_packets] = mbuf;
-			nb_bytes += mbuf->pkt_len;
-			nb_packets++;
-		}
-
-		/*
-		 * We release the ring in bursts, but do not track and release
-		 * buckets.  This therefore breaks dynamic flow affinity, but
-		 * we always operate in static affinity mode, and so we're OK
-		 * with this optimization.
-		 */
-		gxio_mpipe_iqueue_advance(iqueue, nb_descs);
-		gxio_mpipe_credit(iqueue->context, iqueue->ring, -1, nb_descs);
-
-		/*
-		 * Go around once more if we haven't yet peeked the queue, and
-		 * if we have more room to receive.
-		 */
-		room = nb_pkts - nb_packets;
-	}
-
-	rx_queue->q.stats.packets += nb_packets;
-	rx_queue->q.stats.bytes   += nb_bytes;
-	rx_queue->q.stats.errors  += nb_dropped;
-	rx_queue->q.stats.nomem   += nb_nomem;
-
-	PMD_DEBUG_RX("%s:%d: RX: %d/%d pkts/bytes, %d/%d drops/nomem\n",
-		     mpipe_name(rx_queue->q.priv), rx_queue->q.queue_idx,
-		     nb_packets, nb_bytes, nb_dropped, nb_nomem);
-
-	return nb_packets;
-}
-
-static uint16_t
-mpipe_recv_pkts(void *_rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
-{
-	struct mpipe_rx_queue *rx_queue = _rxq;
-	uint16_t result = 0;
-
-	if (rx_queue) {
-		mpipe_dp_enter(rx_queue->q.priv);
-		if (likely(rx_queue->q.link_status))
-			result = mpipe_do_recv(rx_queue, rx_pkts, nb_pkts);
-		mpipe_dp_exit(rx_queue->q.priv);
-	}
-
-	return result;
-}
-
-static uint16_t
-mpipe_xmit_pkts(void *_txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
-	struct mpipe_tx_queue *tx_queue = _txq;
-	uint16_t result = 0;
-
-	if (tx_queue) {
-		mpipe_dp_enter(tx_queue->q.priv);
-		if (likely(tx_queue->q.link_status))
-			result = mpipe_do_xmit(tx_queue, tx_pkts, nb_pkts);
-		mpipe_dp_exit(tx_queue->q.priv);
-	}
-
-	return result;
-}
-
-static int
-mpipe_link_mac(const char *ifname, uint8_t *mac)
-{
-	int rc, idx;
-	char name[GXIO_MPIPE_LINK_NAME_LEN];
-
-	for (idx = 0, rc = 0; !rc; idx++) {
-		rc = gxio_mpipe_link_enumerate_mac(idx, name, mac);
-		if (!rc && !strncmp(name, ifname, GXIO_MPIPE_LINK_NAME_LEN))
-			return 0;
-	}
-	return -ENODEV;
-}
-
-static int
-rte_pmd_mpipe_probe(const char *ifname,
-		      const char *params __rte_unused)
-{
-	gxio_mpipe_context_t *context;
-	struct rte_eth_dev *eth_dev;
-	struct mpipe_dev_priv *priv;
-	int instance, rc;
-	uint8_t *mac;
-
-	/* Get the mPIPE instance that the device belongs to. */
-	instance = gxio_mpipe_link_instance(ifname);
-	context = mpipe_context(instance);
-	if (!context) {
-		RTE_LOG(ERR, PMD, "%s: No device for link.\n", ifname);
-		return -ENODEV;
-	}
-
-	priv = rte_zmalloc(NULL, sizeof(*priv), 0);
-	if (!priv) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate priv.\n", ifname);
-		return -ENOMEM;
-	}
-
-	memset(&priv->tx_stat_mapping, 0xff, sizeof(priv->tx_stat_mapping));
-	memset(&priv->rx_stat_mapping, 0xff, sizeof(priv->rx_stat_mapping));
-	priv->context = context;
-	priv->instance = instance;
-	priv->is_xaui = (strncmp(ifname, "xgbe", 4) == 0);
-	priv->channel = -1;
-
-	mac = priv->mac_addr.addr_bytes;
-	rc = mpipe_link_mac(ifname, mac);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to enumerate link.\n", ifname);
-		rte_free(priv);
-		return -ENODEV;
-	}
-
-	eth_dev = rte_eth_dev_allocate(ifname);
-	if (!eth_dev) {
-		RTE_LOG(ERR, PMD, "%s: Failed to allocate device.\n", ifname);
-		rte_free(priv);
-		return -ENOMEM;
-	}
-
-	RTE_LOG(INFO, PMD, "%s: Initialized mpipe device"
-		"(mac %02x:%02x:%02x:%02x:%02x:%02x).\n",
-		ifname, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-
-	priv->eth_dev = eth_dev;
-	priv->port_id = eth_dev->data->port_id;
-	eth_dev->data->dev_private = priv;
-	eth_dev->data->mac_addrs = &priv->mac_addr;
-
-	eth_dev->data->dev_flags = 0;
-	eth_dev->data->kdrv = RTE_KDRV_NONE;
-	eth_dev->driver = NULL;
-	eth_dev->data->drv_name = drivername;
-	eth_dev->data->numa_node = instance;
-
-	eth_dev->dev_ops      = &mpipe_dev_ops;
-	eth_dev->rx_pkt_burst = &mpipe_recv_pkts;
-	eth_dev->tx_pkt_burst = &mpipe_xmit_pkts;
-
-	rc = mpipe_link_init(priv);
-	if (rc < 0) {
-		RTE_LOG(ERR, PMD, "%s: Failed to init link.\n",
-			mpipe_name(priv));
-		return rc;
-	}
-
-	return 0;
-}
-
-static struct rte_vdev_driver pmd_mpipe_xgbe_drv = {
-	.probe = rte_pmd_mpipe_probe,
-};
-
-static struct rte_vdev_driver pmd_mpipe_gbe_drv = {
-	.probe = rte_pmd_mpipe_probe,
-};
-
-RTE_PMD_REGISTER_VDEV(net_mpipe_xgbe, pmd_mpipe_xgbe_drv);
-RTE_PMD_REGISTER_ALIAS(net_mpipe_xgbe, xgbe);
-RTE_PMD_REGISTER_VDEV(net_mpipe_gbe, pmd_mpipe_gbe_drv);
-RTE_PMD_REGISTER_ALIAS(net_mpipe_gbe, gbe);
-
-static void __attribute__((constructor, used))
-mpipe_init_contexts(void)
-{
-	struct mpipe_context *context;
-	int rc, instance;
-
-	for (instance = 0; instance < GXIO_MPIPE_INSTANCE_MAX; instance++) {
-		context = &mpipe_contexts[instance];
-
-		rte_spinlock_init(&context->lock);
-		rc = gxio_mpipe_init(&context->context, instance);
-		if (rc < 0)
-			break;
-	}
-
-	mpipe_instances = instance;
-}
diff --git a/drivers/net/mpipe/rte_pmd_mpipe_version.map b/drivers/net/mpipe/rte_pmd_mpipe_version.map
deleted file mode 100644
index ad607bbe..00000000
--- a/drivers/net/mpipe/rte_pmd_mpipe_version.map
+++ /dev/null
@@ -1,3 +0,0 @@
-DPDK_2.2 {
-	local: *;
-};