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From: Alejandro Lucero <alejandro.lucero@netronome.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v9 1/9] nfp: basic initialization
Date: Thu, 26 Nov 2015 09:49:21 +0000	[thread overview]
Message-ID: <1448531369-8808-2-git-send-email-alejandro.lucero@netronome.com> (raw)
In-Reply-To: <1448531369-8808-1-git-send-email-alejandro.lucero@netronome.com>

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>
---
 MAINTAINERS                             |    3 +
 config/common_linuxapp                  |    6 +
 doc/guides/rel_notes/release_2_2.rst    |    4 +
 drivers/net/Makefile                    |    1 +
 drivers/net/nfp/Makefile                |   56 +++
 drivers/net/nfp/nfp_net.c               |  699 +++++++++++++++++++++++++++++++
 drivers/net/nfp/nfp_net_ctrl.h          |  324 ++++++++++++++
 drivers/net/nfp/nfp_net_logs.h          |   75 ++++
 drivers/net/nfp/nfp_net_pmd.h           |  453 ++++++++++++++++++++
 drivers/net/nfp/rte_pmd_nfp_version.map |    3 +
 mk/rte.app.mk                           |    1 +
 11 files changed, 1625 insertions(+)
 create mode 100644 drivers/net/nfp/Makefile
 create mode 100644 drivers/net/nfp/nfp_net.c
 create mode 100644 drivers/net/nfp/nfp_net_ctrl.h
 create mode 100644 drivers/net/nfp/nfp_net_logs.h
 create mode 100644 drivers/net/nfp/nfp_net_pmd.h
 create mode 100644 drivers/net/nfp/rte_pmd_nfp_version.map

diff --git a/MAINTAINERS b/MAINTAINERS
index 840faeb..df5b962 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -318,6 +318,9 @@ Null PMD
 M: Tetsuya Mukawa <mukawa@igel.co.jp>
 F: drivers/net/null/
 
+Netronome nfp
+M: Alejandro Lucero <alejandro.lucero@netronome.com>
+F: drivers/net/nfp/
 
 Packet processing
 -----------------
diff --git a/config/common_linuxapp b/config/common_linuxapp
index 4a68da4..1d77db7 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -279,6 +279,12 @@ CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_TX_FREE=n
 CONFIG_RTE_LIBRTE_VMXNET3_DEBUG_DRIVER=n
 
 #
+# Compile burst-oriented Netronome NFP PMD driver
+#
+CONFIG_RTE_LIBRTE_NFP_PMD=n
+CONFIG_RTE_LIBRTE_NFP_DEBUG=n
+
+#
 # Compile example software rings based PMD
 #
 CONFIG_RTE_LIBRTE_PMD_RING=y
diff --git a/doc/guides/rel_notes/release_2_2.rst b/doc/guides/rel_notes/release_2_2.rst
index 8c77768..8154db7 100644
--- a/doc/guides/rel_notes/release_2_2.rst
+++ b/doc/guides/rel_notes/release_2_2.rst
@@ -195,6 +195,10 @@ Drivers
 
   Fixed issue when releasing null control queue.
 
+* **nfp: adding new PMD for Netronome nfp-6xxx card.**
+
+  Support for using Netronome nfp-6xxx with PCI VFs.
+
 
 Libraries
 ~~~~~~~~~
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index cddcd57..6e4497e 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -43,6 +43,7 @@ DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += ixgbe
 DIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += mlx4
 DIRS-$(CONFIG_RTE_LIBRTE_MLX5_PMD) += mlx5
 DIRS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD) += mpipe
+DIRS-$(CONFIG_RTE_LIBRTE_NFP_PMD) += nfp
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_NULL) += null
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += pcap
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_RING) += ring
diff --git a/drivers/net/nfp/Makefile b/drivers/net/nfp/Makefile
new file mode 100644
index 0000000..ef7a13d
--- /dev/null
+++ b/drivers/net/nfp/Makefile
@@ -0,0 +1,56 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+#   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 Intel Corporation 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 $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_nfp.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+EXPORT_MAP := rte_pmd_nfp_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_NFP_PMD) += nfp_net.c
+
+# this lib depends upon:
+DEPDIRS-$(CONFIG_RTE_LIBRTE_NFP_PMD) += lib/librte_eal lib/librte_ether
+DEPDIRS-$(CONFIG_RTE_LIBRTE_NFP_PMD) += lib/librte_mempool lib/librte_mbuf
+DEPDIRS-$(CONFIG_RTE_LIBRTE_NFP_PMD) += lib/librte_net lib/librte_malloc
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
new file mode 100644
index 0000000..18067c0
--- /dev/null
+++ b/drivers/net/nfp/nfp_net.c
@@ -0,0 +1,699 @@
+/*
+ * Copyright (c) 2014, 2015 Netronome Systems, Inc.
+ * All rights reserved.
+ *
+ * Small portions derived from code Copyright(c) 2010-2015 Intel Corporation.
+ *
+ * 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
+ *
+ * 3. Neither the name of the copyright holder 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 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.
+ */
+
+/*
+ * vim:shiftwidth=8:noexpandtab
+ *
+ * @file dpdk/pmd/nfp_net.c
+ *
+ * Netronome vNIC DPDK Poll-Mode Driver: Main entry point
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/io.h>
+#include <assert.h>
+#include <time.h>
+#include <math.h>
+#include <inttypes.h>
+
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_dev.h>
+#include <rte_ether.h>
+#include <rte_malloc.h>
+#include <rte_memzone.h>
+#include <rte_mempool.h>
+#include <rte_version.h>
+#include <rte_string_fns.h>
+#include <rte_alarm.h>
+
+#include "nfp_net_pmd.h"
+#include "nfp_net_logs.h"
+#include "nfp_net_ctrl.h"
+
+/* Prototypes */
+static void nfp_net_close(struct rte_eth_dev *dev);
+static int nfp_net_configure(struct rte_eth_dev *dev);
+static int nfp_net_init(struct rte_eth_dev *eth_dev);
+static int nfp_net_start(struct rte_eth_dev *dev);
+static void nfp_net_stop(struct rte_eth_dev *dev);
+
+/*
+ * The offset of the queue controller queues in the PCIe Target. These
+ * happen to be at the same offset on the NFP6000 and the NFP3200 so
+ * we use a single macro here.
+ */
+#define NFP_PCIE_QUEUE(_q)	(0x80000 + (0x800 * ((_q) & 0xff)))
+
+/* Maximum value which can be added to a queue with one transaction */
+#define NFP_QCP_MAX_ADD	0x7f
+
+#define RTE_MBUF_DMA_ADDR_DEFAULT(mb) \
+	(uint64_t)((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM)
+
+/* nfp_qcp_ptr - Read or Write Pointer of a queue */
+enum nfp_qcp_ptr {
+	NFP_QCP_READ_PTR = 0,
+	NFP_QCP_WRITE_PTR
+};
+
+/*
+ * nfp_qcp_ptr_add - Add the value to the selected pointer of a queue
+ * @q: Base address for queue structure
+ * @ptr: Add to the Read or Write pointer
+ * @val: Value to add to the queue pointer
+ *
+ * If @val is greater than @NFP_QCP_MAX_ADD multiple writes are performed.
+ */
+static inline void
+nfp_qcp_ptr_add(__u8 *q, enum nfp_qcp_ptr ptr, uint32_t val)
+{
+	uint32_t off;
+
+	if (ptr == NFP_QCP_READ_PTR)
+		off = NFP_QCP_QUEUE_ADD_RPTR;
+	else
+		off = NFP_QCP_QUEUE_ADD_WPTR;
+
+	while (val > NFP_QCP_MAX_ADD) {
+		nn_writel(rte_cpu_to_le_32(NFP_QCP_MAX_ADD), q + off);
+		val -= NFP_QCP_MAX_ADD;
+	}
+
+	nn_writel(rte_cpu_to_le_32(val), q + off);
+}
+
+/*
+ * nfp_qcp_read - Read the current Read/Write pointer value for a queue
+ * @q:  Base address for queue structure
+ * @ptr: Read or Write pointer
+ */
+static inline uint32_t
+nfp_qcp_read(__u8 *q, enum nfp_qcp_ptr ptr)
+{
+	uint32_t off;
+	uint32_t val;
+
+	if (ptr == NFP_QCP_READ_PTR)
+		off = NFP_QCP_QUEUE_STS_LO;
+	else
+		off = NFP_QCP_QUEUE_STS_HI;
+
+	val = rte_cpu_to_le_32(nn_readl(q + off));
+
+	if (ptr == NFP_QCP_READ_PTR)
+		return val & NFP_QCP_QUEUE_STS_LO_READPTR_mask;
+	else
+		return val & NFP_QCP_QUEUE_STS_HI_WRITEPTR_mask;
+}
+
+/*
+ * Functions to read/write from/to Config BAR
+ * Performs any endian conversion necessary.
+ */
+static inline __u8
+nn_cfg_readb(struct nfp_net_hw *hw, int off)
+{
+	return nn_readb(hw->ctrl_bar + off);
+}
+
+static inline void
+nn_cfg_writeb(struct nfp_net_hw *hw, int off, __u8 val)
+{
+	nn_writeb(val, hw->ctrl_bar + off);
+}
+
+static inline uint32_t
+nn_cfg_readl(struct nfp_net_hw *hw, int off)
+{
+	return rte_le_to_cpu_32(nn_readl(hw->ctrl_bar + off));
+}
+
+static inline void
+nn_cfg_writel(struct nfp_net_hw *hw, int off, uint32_t val)
+{
+	nn_writel(rte_cpu_to_le_32(val), hw->ctrl_bar + off);
+}
+
+static inline uint64_t
+nn_cfg_readq(struct nfp_net_hw *hw, int off)
+{
+	return rte_le_to_cpu_64(nn_readq(hw->ctrl_bar + off));
+}
+
+static inline void
+nn_cfg_writeq(struct nfp_net_hw *hw, int off, uint64_t val)
+{
+	nn_writeq(rte_cpu_to_le_64(val), hw->ctrl_bar + off);
+}
+
+static int
+__nfp_net_reconfig(struct nfp_net_hw *hw, uint32_t update)
+{
+	int cnt;
+	uint32_t new;
+	struct timespec wait;
+
+	PMD_DRV_LOG(DEBUG, "Writing to the configuration queue (%p)...\n",
+		    hw->qcp_cfg);
+
+	if (hw->qcp_cfg == NULL)
+		rte_panic("Bad configuration queue pointer\n");
+
+	nfp_qcp_ptr_add(hw->qcp_cfg, NFP_QCP_WRITE_PTR, 1);
+
+	wait.tv_sec = 0;
+	wait.tv_nsec = 1000000;
+
+	PMD_DRV_LOG(DEBUG, "Polling for update ack...\n");
+
+	/* Poll update field, waiting for NFP to ack the config */
+	for (cnt = 0; ; cnt++) {
+		new = nn_cfg_readl(hw, NFP_NET_CFG_UPDATE);
+		if (new == 0)
+			break;
+		if (new & NFP_NET_CFG_UPDATE_ERR) {
+			PMD_INIT_LOG(ERR, "Reconfig error: 0x%08x\n", new);
+			return -1;
+		}
+		if (cnt >= NFP_NET_POLL_TIMEOUT) {
+			PMD_INIT_LOG(ERR, "Reconfig timeout for 0x%08x after"
+					  " %dms\n", update, cnt);
+			rte_panic("Exiting\n");
+		}
+		nanosleep(&wait, 0); /* waiting for a 1ms */
+	}
+	PMD_DRV_LOG(DEBUG, "Ack DONE\n");
+	return 0;
+}
+
+/*
+ * Reconfigure the NIC
+ * @nn:    device to reconfigure
+ * @ctrl:    The value for the ctrl field in the BAR config
+ * @update:  The value for the update field in the BAR config
+ *
+ * Write the update word to the BAR and ping the reconfig queue. Then poll
+ * until the firmware has acknowledged the update by zeroing the update word.
+ */
+static int
+nfp_net_reconfig(struct nfp_net_hw *hw, uint32_t ctrl, uint32_t update)
+{
+	uint32_t err;
+
+	PMD_DRV_LOG(DEBUG, "nfp_net_reconfig: ctrl=%08x update=%08x\n",
+		    ctrl, update);
+
+	nn_cfg_writel(hw, NFP_NET_CFG_CTRL, ctrl);
+	nn_cfg_writel(hw, NFP_NET_CFG_UPDATE, update);
+
+	rte_wmb();
+
+	err = __nfp_net_reconfig(hw, update);
+
+	if (!err)
+		return 0;
+
+	/*
+	 * Reconfig errors imply situations where they can be handled.
+	 * Otherwise, rte_panic is called inside __nfp_net_reconfig
+	 */
+	PMD_INIT_LOG(ERR, "Error nfp_net reconfig for ctrl: %x update: %x\n",
+		     ctrl, update);
+	return -EIO;
+}
+
+/*
+ * Configure an Ethernet device. This function must be invoked first
+ * before any other function in the Ethernet API. This function can
+ * also be re-invoked when a device is in the stopped state.
+ */
+static int
+nfp_net_configure(struct rte_eth_dev *dev)
+{
+	struct rte_eth_conf *dev_conf;
+	struct rte_eth_rxmode *rxmode;
+	struct rte_eth_txmode *txmode;
+	uint32_t new_ctrl = 0;
+	uint32_t update = 0;
+	struct nfp_net_hw *hw;
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	/*
+	 * A DPDK app sends info about how many queues to use and how
+	 * those queues need to be configured. This is used by the
+	 * DPDK core and it makes sure no more queues than those
+	 * advertised by the driver are requested. This function is
+	 * called after that internal process
+	 */
+
+	PMD_INIT_LOG(DEBUG, "Configure\n");
+
+	dev_conf = &dev->data->dev_conf;
+	rxmode = &dev_conf->rxmode;
+	txmode = &dev_conf->txmode;
+
+	/* Checking TX mode */
+	if (txmode->mq_mode) {
+		PMD_INIT_LOG(INFO, "TX mq_mode DCB and VMDq not supported\n");
+		return -EINVAL;
+	}
+
+	/* Checking RX mode */
+	if (rxmode->mq_mode & ETH_MQ_RX_RSS) {
+		if (hw->cap & NFP_NET_CFG_CTRL_RSS) {
+			update = NFP_NET_CFG_UPDATE_RSS;
+			new_ctrl = NFP_NET_CFG_CTRL_RSS;
+		} else {
+			PMD_INIT_LOG(INFO, "RSS not supported\n");
+			return -EINVAL;
+		}
+	}
+
+	if (rxmode->split_hdr_size) {
+		PMD_INIT_LOG(INFO, "rxmode does not support split header\n");
+		return -EINVAL;
+	}
+
+	if (rxmode->hw_ip_checksum) {
+		if (hw->cap & NFP_NET_CFG_CTRL_RXCSUM) {
+			new_ctrl |= NFP_NET_CFG_CTRL_RXCSUM;
+		} else {
+			PMD_INIT_LOG(INFO, "RXCSUM not supported\n");
+			return -EINVAL;
+		}
+	}
+
+	if (rxmode->hw_vlan_filter) {
+		PMD_INIT_LOG(INFO, "VLAN filter not supported\n");
+		return -EINVAL;
+	}
+
+	if (rxmode->hw_vlan_strip) {
+		if (hw->cap & NFP_NET_CFG_CTRL_RXVLAN) {
+			new_ctrl |= NFP_NET_CFG_CTRL_RXVLAN;
+		} else {
+			PMD_INIT_LOG(INFO, "hw vlan strip not supported\n");
+			return -EINVAL;
+		}
+	}
+
+	if (rxmode->hw_vlan_extend) {
+		PMD_INIT_LOG(INFO, "VLAN extended not supported\n");
+		return -EINVAL;
+	}
+
+	/* Supporting VLAN insertion by default */
+	if (hw->cap & NFP_NET_CFG_CTRL_TXVLAN)
+		new_ctrl |= NFP_NET_CFG_CTRL_TXVLAN;
+
+	if (rxmode->jumbo_frame)
+		/* this is handled in rte_eth_dev_configure */
+
+	if (rxmode->hw_strip_crc) {
+		PMD_INIT_LOG(INFO, "strip CRC not supported\n");
+		return -EINVAL;
+	}
+
+	if (rxmode->enable_scatter) {
+		PMD_INIT_LOG(INFO, "Scatter not supported\n");
+		return -EINVAL;
+	}
+
+	if (!new_ctrl)
+		return 0;
+
+	update |= NFP_NET_CFG_UPDATE_GEN;
+
+	nn_cfg_writel(hw, NFP_NET_CFG_CTRL, new_ctrl);
+	if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+		return -EIO;
+
+	hw->ctrl = new_ctrl;
+
+	return 0;
+}
+
+static void
+nfp_net_enable_queues(struct rte_eth_dev *dev)
+{
+	struct nfp_net_hw *hw;
+	uint64_t enabled_queues = 0;
+	int i;
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	/* Enabling the required TX queues in the device */
+	for (i = 0; i < dev->data->nb_tx_queues; i++)
+		enabled_queues |= (1 << i);
+
+	nn_cfg_writeq(hw, NFP_NET_CFG_TXRS_ENABLE, enabled_queues);
+
+	enabled_queues = 0;
+
+	/* Enabling the required RX queues in the device */
+	for (i = 0; i < dev->data->nb_rx_queues; i++)
+		enabled_queues |= (1 << i);
+
+	nn_cfg_writeq(hw, NFP_NET_CFG_RXRS_ENABLE, enabled_queues);
+}
+
+static void
+nfp_net_disable_queues(struct rte_eth_dev *dev)
+{
+	struct nfp_net_hw *hw;
+	uint32_t new_ctrl, update = 0;
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	nn_cfg_writeq(hw, NFP_NET_CFG_TXRS_ENABLE, 0);
+	nn_cfg_writeq(hw, NFP_NET_CFG_RXRS_ENABLE, 0);
+
+	new_ctrl = hw->ctrl & ~NFP_NET_CFG_CTRL_ENABLE;
+	update = NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING |
+		 NFP_NET_CFG_UPDATE_MSIX;
+
+	if (hw->cap & NFP_NET_CFG_CTRL_RINGCFG)
+		new_ctrl &= ~NFP_NET_CFG_CTRL_RINGCFG;
+
+	/* If an error when reconfig we avoid to change hw state */
+	if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+		return;
+
+	hw->ctrl = new_ctrl;
+}
+
+static void
+nfp_net_params_setup(struct nfp_net_hw *hw)
+{
+	uint32_t *mac_address;
+
+	nn_cfg_writel(hw, NFP_NET_CFG_MTU, hw->mtu);
+	nn_cfg_writel(hw, NFP_NET_CFG_FLBUFSZ, hw->flbufsz);
+
+	/* A MAC address is 8 bytes long */
+	mac_address = (uint32_t *)(hw->mac_addr);
+
+	nn_cfg_writel(hw, NFP_NET_CFG_MACADDR,
+		      rte_cpu_to_be_32(*mac_address));
+	nn_cfg_writel(hw, NFP_NET_CFG_MACADDR + 4,
+		      rte_cpu_to_be_32(*(mac_address + 4)));
+}
+
+static void
+nfp_net_cfg_queue_setup(struct nfp_net_hw *hw)
+{
+	hw->qcp_cfg = hw->tx_bar + NFP_QCP_QUEUE_ADDR_SZ;
+}
+
+static int
+nfp_net_start(struct rte_eth_dev *dev)
+{
+	uint32_t new_ctrl, update = 0;
+	struct nfp_net_hw *hw;
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	PMD_INIT_LOG(DEBUG, "Start\n");
+
+	/* Disabling queues just in case... */
+	nfp_net_disable_queues(dev);
+
+	/* Writing configuration parameters in the device */
+	nfp_net_params_setup(hw);
+
+	/* Enabling the required queues in the device */
+	nfp_net_enable_queues(dev);
+
+	/* Enable device */
+	new_ctrl = hw->ctrl | NFP_NET_CFG_CTRL_ENABLE | NFP_NET_CFG_UPDATE_MSIX;
+	update = NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING;
+
+	if (hw->cap & NFP_NET_CFG_CTRL_RINGCFG)
+		new_ctrl |= NFP_NET_CFG_CTRL_RINGCFG;
+
+	nn_cfg_writel(hw, NFP_NET_CFG_CTRL, new_ctrl);
+	if (nfp_net_reconfig(hw, new_ctrl, update) < 0)
+		return -EIO;
+
+	hw->ctrl = new_ctrl;
+
+	return 0;
+}
+
+/* Stop device: disable rx and tx functions to allow for reconfiguring. */
+static void
+nfp_net_stop(struct rte_eth_dev *dev)
+{
+	PMD_INIT_LOG(DEBUG, "Stop\n");
+
+	nfp_net_disable_queues(dev);
+}
+
+/* Reset and stop device. The device can not be restarted. */
+static void
+nfp_net_close(struct rte_eth_dev *dev)
+{
+	struct nfp_net_hw *hw;
+
+	PMD_INIT_LOG(DEBUG, "Close\n");
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	/*
+	 * We assume that the DPDK application is stopping all the
+	 * threads/queues before calling the device close function.
+	 */
+
+	nfp_net_stop(dev);
+
+	nn_cfg_writeb(hw, NFP_NET_CFG_LSC, 0xff);
+
+	/*
+	 * The ixgbe PMD driver disables the pcie master on the
+	 * device. The i40e does not...
+	 */
+}
+
+/* Initialise and register driver with DPDK Application */
+static struct eth_dev_ops nfp_net_eth_dev_ops = {
+	.dev_configure		= nfp_net_configure,
+	.dev_start		= nfp_net_start,
+	.dev_stop		= nfp_net_stop,
+	.dev_close		= nfp_net_close,
+};
+
+static int
+nfp_net_init(struct rte_eth_dev *eth_dev)
+{
+	struct rte_pci_device *pci_dev;
+	struct nfp_net_hw *hw;
+
+	uint32_t tx_bar_off, rx_bar_off;
+	uint32_t start_q;
+	int stride = 4;
+
+	PMD_INIT_FUNC_TRACE();
+
+	hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+
+	eth_dev->dev_ops = &nfp_net_eth_dev_ops;
+
+	/* For secondary processes, the primary has done all the work */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	pci_dev = eth_dev->pci_dev;
+	hw->device_id = pci_dev->id.device_id;
+	hw->vendor_id = pci_dev->id.vendor_id;
+	hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
+	hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
+
+	PMD_INIT_LOG(DEBUG, "nfp_net: device (%u:%u) %u:%u:%u:%u\n",
+		     pci_dev->id.vendor_id, pci_dev->id.device_id,
+		     pci_dev->addr.domain, pci_dev->addr.bus,
+		     pci_dev->addr.devid, pci_dev->addr.function);
+
+	hw->ctrl_bar = (uint8_t *)pci_dev->mem_resource[0].addr;
+	if (hw->ctrl_bar == NULL) {
+		RTE_LOG(ERR, PMD,
+			"hw->ctrl_bar is NULL. BAR0 not configured\n");
+		return -ENODEV;
+	}
+	hw->max_rx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_RXRINGS);
+	hw->max_tx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_TXRINGS);
+
+	/* Work out where in the BAR the queues start. */
+	switch (pci_dev->id.device_id) {
+	case PCI_DEVICE_ID_NFP6000_VF_NIC:
+		start_q = nn_cfg_readl(hw, NFP_NET_CFG_START_TXQ);
+		tx_bar_off = NFP_PCIE_QUEUE(start_q);
+		start_q = nn_cfg_readl(hw, NFP_NET_CFG_START_RXQ);
+		rx_bar_off = NFP_PCIE_QUEUE(start_q);
+		break;
+	default:
+		RTE_LOG(ERR, PMD, "nfp_net: no device ID matching\n");
+		return -ENODEV;
+	}
+
+	PMD_INIT_LOG(DEBUG, "tx_bar_off: 0x%08x\n", tx_bar_off);
+	PMD_INIT_LOG(DEBUG, "rx_bar_off: 0x%08x\n", rx_bar_off);
+
+	hw->tx_bar = (uint8_t *)pci_dev->mem_resource[2].addr + tx_bar_off;
+	hw->rx_bar = (uint8_t *)pci_dev->mem_resource[2].addr + rx_bar_off;
+
+	PMD_INIT_LOG(DEBUG, "ctrl_bar: %p, tx_bar: %p, rx_bar: %p\n",
+		     hw->ctrl_bar, hw->tx_bar, hw->rx_bar);
+
+	nfp_net_cfg_queue_setup(hw);
+
+	/* Get some of the read-only fields from the config BAR */
+	hw->ver = nn_cfg_readl(hw, NFP_NET_CFG_VERSION);
+	hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP);
+	hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU);
+	hw->mtu = hw->max_mtu;
+
+	if (NFD_CFG_MAJOR_VERSION_of(hw->ver) < 2)
+		hw->rx_offset = NFP_NET_RX_OFFSET;
+	else
+		hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR);
+
+	PMD_INIT_LOG(INFO, "VER: %#x, Maximum supported MTU: %d\n",
+		     hw->ver, hw->max_mtu);
+	PMD_INIT_LOG(INFO, "CAP: %#x, %s%s%s%s%s%s%s%s%s\n", hw->cap,
+		     hw->cap & NFP_NET_CFG_CTRL_PROMISC ? "PROMISC " : "",
+		     hw->cap & NFP_NET_CFG_CTRL_RXCSUM  ? "RXCSUM "  : "",
+		     hw->cap & NFP_NET_CFG_CTRL_TXCSUM  ? "TXCSUM "  : "",
+		     hw->cap & NFP_NET_CFG_CTRL_RXVLAN  ? "RXVLAN "  : "",
+		     hw->cap & NFP_NET_CFG_CTRL_TXVLAN  ? "TXVLAN "  : "",
+		     hw->cap & NFP_NET_CFG_CTRL_SCATTER ? "SCATTER " : "",
+		     hw->cap & NFP_NET_CFG_CTRL_GATHER  ? "GATHER "  : "",
+		     hw->cap & NFP_NET_CFG_CTRL_LSO     ? "TSO "     : "",
+		     hw->cap & NFP_NET_CFG_CTRL_RSS     ? "RSS "     : "");
+
+	pci_dev = eth_dev->pci_dev;
+	hw->ctrl = 0;
+
+	hw->stride_rx = stride;
+	hw->stride_tx = stride;
+
+	PMD_INIT_LOG(INFO, "max_rx_queues: %u, max_tx_queues: %u\n",
+		     hw->max_rx_queues, hw->max_tx_queues);
+
+	/* Allocating memory for mac addr */
+	eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", ETHER_ADDR_LEN, 0);
+	if (eth_dev->data->mac_addrs == NULL) {
+		PMD_INIT_LOG(ERR, "Failed to space for MAC address");
+		return -ENOMEM;
+	}
+
+	/* Using random mac addresses for VFs */
+	eth_random_addr(&hw->mac_addr[0]);
+
+	/* Copying mac address to DPDK eth_dev struct */
+	ether_addr_copy(&eth_dev->data->mac_addrs[0],
+			(struct ether_addr *)hw->mac_addr);
+
+	PMD_INIT_LOG(INFO, "port %d VendorID=0x%x DeviceID=0x%x "
+		     "mac=%02x:%02x:%02x:%02x:%02x:%02x",
+		     eth_dev->data->port_id, pci_dev->id.vendor_id,
+		     pci_dev->id.device_id,
+		     hw->mac_addr[0], hw->mac_addr[1], hw->mac_addr[2],
+		     hw->mac_addr[3], hw->mac_addr[4], hw->mac_addr[5]);
+
+	return 0;
+}
+
+static struct rte_pci_id pci_id_nfp_net_map[] = {
+	{
+		.vendor_id = PCI_VENDOR_ID_NETRONOME,
+		.device_id = PCI_DEVICE_ID_NFP6000_PF_NIC,
+		.subsystem_vendor_id = PCI_ANY_ID,
+		.subsystem_device_id = PCI_ANY_ID,
+	},
+	{
+		.vendor_id = PCI_VENDOR_ID_NETRONOME,
+		.device_id = PCI_DEVICE_ID_NFP6000_VF_NIC,
+		.subsystem_vendor_id = PCI_ANY_ID,
+		.subsystem_device_id = PCI_ANY_ID,
+	},
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct eth_driver rte_nfp_net_pmd = {
+	{
+		.name = "rte_nfp_net_pmd",
+		.id_table = pci_id_nfp_net_map,
+		.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+	},
+	.eth_dev_init = nfp_net_init,
+	.dev_private_size = sizeof(struct nfp_net_adapter),
+};
+
+static int
+nfp_net_pmd_init(const char *name __rte_unused,
+		 const char *params __rte_unused)
+{
+	PMD_INIT_FUNC_TRACE();
+	PMD_INIT_LOG(INFO, "librte_pmd_nfp_net version %s\n",
+		     NFP_NET_PMD_VERSION);
+
+	rte_eth_driver_register(&rte_nfp_net_pmd);
+	return 0;
+}
+
+static struct rte_driver rte_nfp_net_driver = {
+	.type = PMD_PDEV,
+	.init = nfp_net_pmd_init,
+};
+
+PMD_REGISTER_DRIVER(rte_nfp_net_driver);
+
+/*
+ * Local variables:
+ * c-file-style: "Linux"
+ * indent-tabs-mode: t
+ * End:
+ */
diff --git a/drivers/net/nfp/nfp_net_ctrl.h b/drivers/net/nfp/nfp_net_ctrl.h
new file mode 100644
index 0000000..fce8251
--- /dev/null
+++ b/drivers/net/nfp/nfp_net_ctrl.h
@@ -0,0 +1,324 @@
+/*
+ * Copyright (c) 2014, 2015 Netronome Systems, Inc.
+ * 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
+ *
+ * 3. Neither the name of the copyright holder 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 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.
+ */
+
+/*
+ * vim:shiftwidth=8:noexpandtab
+ *
+ * Netronome network device driver: Control BAR layout
+ */
+#ifndef _NFP_NET_CTRL_H_
+#define _NFP_NET_CTRL_H_
+
+/*
+ * Configuration BAR size.
+ *
+ * The configuration BAR is 8K in size, but on the NFP6000, due to
+ * THB-350, 32k needs to be reserved.
+ */
+#ifdef __NFP_IS_6000
+#define NFP_NET_CFG_BAR_SZ              (32 * 1024)
+#else
+#define NFP_NET_CFG_BAR_SZ              (8 * 1024)
+#endif
+
+/* Offset in Freelist buffer where packet starts on RX */
+#define NFP_NET_RX_OFFSET               32
+
+/* Hash type pre-pended when a RSS hash was computed */
+#define NFP_NET_RSS_NONE                0
+#define NFP_NET_RSS_IPV4                1
+#define NFP_NET_RSS_IPV6                2
+#define NFP_NET_RSS_IPV6_EX             3
+#define NFP_NET_RSS_IPV4_TCP            4
+#define NFP_NET_RSS_IPV6_TCP            5
+#define NFP_NET_RSS_IPV6_EX_TCP         6
+#define NFP_NET_RSS_IPV4_UDP            7
+#define NFP_NET_RSS_IPV6_UDP            8
+#define NFP_NET_RSS_IPV6_EX_UDP         9
+
+/*
+ * @NFP_NET_TXR_MAX:         Maximum number of TX rings
+ * @NFP_NET_TXR_MASK:        Mask for TX rings
+ * @NFP_NET_RXR_MAX:         Maximum number of RX rings
+ * @NFP_NET_RXR_MASK:        Mask for RX rings
+ */
+#define NFP_NET_TXR_MAX                 64
+#define NFP_NET_TXR_MASK                (NFP_NET_TXR_MAX - 1)
+#define NFP_NET_RXR_MAX                 64
+#define NFP_NET_RXR_MASK                (NFP_NET_RXR_MAX - 1)
+
+/*
+ * Read/Write config words (0x0000 - 0x002c)
+ * @NFP_NET_CFG_CTRL:        Global control
+ * @NFP_NET_CFG_UPDATE:      Indicate which fields are updated
+ * @NFP_NET_CFG_TXRS_ENABLE: Bitmask of enabled TX rings
+ * @NFP_NET_CFG_RXRS_ENABLE: Bitmask of enabled RX rings
+ * @NFP_NET_CFG_MTU:         Set MTU size
+ * @NFP_NET_CFG_FLBUFSZ:     Set freelist buffer size (must be larger than MTU)
+ * @NFP_NET_CFG_EXN:         MSI-X table entry for exceptions
+ * @NFP_NET_CFG_LSC:         MSI-X table entry for link state changes
+ * @NFP_NET_CFG_MACADDR:     MAC address
+ *
+ * TODO:
+ * - define Error details in UPDATE
+ */
+#define NFP_NET_CFG_CTRL                0x0000
+#define   NFP_NET_CFG_CTRL_ENABLE         (0x1 <<  0) /* Global enable */
+#define   NFP_NET_CFG_CTRL_PROMISC        (0x1 <<  1) /* Enable Promisc mode */
+#define   NFP_NET_CFG_CTRL_L2BC           (0x1 <<  2) /* Allow L2 Broadcast */
+#define   NFP_NET_CFG_CTRL_L2MC           (0x1 <<  3) /* Allow L2 Multicast */
+#define   NFP_NET_CFG_CTRL_RXCSUM         (0x1 <<  4) /* Enable RX Checksum */
+#define   NFP_NET_CFG_CTRL_TXCSUM         (0x1 <<  5) /* Enable TX Checksum */
+#define   NFP_NET_CFG_CTRL_RXVLAN         (0x1 <<  6) /* Enable VLAN strip */
+#define   NFP_NET_CFG_CTRL_TXVLAN         (0x1 <<  7) /* Enable VLAN insert */
+#define   NFP_NET_CFG_CTRL_SCATTER        (0x1 <<  8) /* Scatter DMA */
+#define   NFP_NET_CFG_CTRL_GATHER         (0x1 <<  9) /* Gather DMA */
+#define   NFP_NET_CFG_CTRL_LSO            (0x1 << 10) /* LSO/TSO */
+#define   NFP_NET_CFG_CTRL_RINGCFG        (0x1 << 16) /* Ring runtime changes */
+#define   NFP_NET_CFG_CTRL_RSS            (0x1 << 17) /* RSS */
+#define   NFP_NET_CFG_CTRL_IRQMOD         (0x1 << 18) /* Interrupt moderation */
+#define   NFP_NET_CFG_CTRL_RINGPRIO       (0x1 << 19) /* Ring priorities */
+#define   NFP_NET_CFG_CTRL_MSIXAUTO       (0x1 << 20) /* MSI-X auto-masking */
+#define   NFP_NET_CFG_CTRL_TXRWB          (0x1 << 21) /* Write-back of TX ring*/
+#define   NFP_NET_CFG_CTRL_L2SWITCH       (0x1 << 22) /* L2 Switch */
+#define   NFP_NET_CFG_CTRL_L2SWITCH_LOCAL (0x1 << 23) /* Switch to local */
+#define   NFP_NET_CFG_CTRL_VXLAN          (0x1 << 24) /* Enable VXLAN */
+#define   NFP_NET_CFG_CTRL_NVGRE          (0x1 << 25) /* Enable NVGRE */
+#define NFP_NET_CFG_UPDATE              0x0004
+#define   NFP_NET_CFG_UPDATE_GEN          (0x1 <<  0) /* General update */
+#define   NFP_NET_CFG_UPDATE_RING         (0x1 <<  1) /* Ring config change */
+#define   NFP_NET_CFG_UPDATE_RSS          (0x1 <<  2) /* RSS config change */
+#define   NFP_NET_CFG_UPDATE_TXRPRIO      (0x1 <<  3) /* TX Ring prio change */
+#define   NFP_NET_CFG_UPDATE_RXRPRIO      (0x1 <<  4) /* RX Ring prio change */
+#define   NFP_NET_CFG_UPDATE_MSIX         (0x1 <<  5) /* MSI-X change */
+#define   NFP_NET_CFG_UPDATE_L2SWITCH     (0x1 <<  6) /* Switch changes */
+#define   NFP_NET_CFG_UPDATE_RESET        (0x1 <<  7) /* Update due to FLR */
+#define   NFP_NET_CFG_UPDATE_IRQMOD       (0x1 <<  8) /* IRQ mod change */
+#define   NFP_NET_CFG_UPDATE_VXLAN        (0x1 <<  9) /* VXLAN port change */
+#define   NFP_NET_CFG_UPDATE_ERR          (0x1 << 31) /* A error occurred */
+#define NFP_NET_CFG_TXRS_ENABLE         0x0008
+#define NFP_NET_CFG_RXRS_ENABLE         0x0010
+#define NFP_NET_CFG_MTU                 0x0018
+#define NFP_NET_CFG_FLBUFSZ             0x001c
+#define NFP_NET_CFG_EXN                 0x001f
+#define NFP_NET_CFG_LSC                 0x0020
+#define NFP_NET_CFG_MACADDR             0x0024
+
+/*
+ * Read-only words (0x0030 - 0x0050):
+ * @NFP_NET_CFG_VERSION:     Firmware version number
+ * @NFP_NET_CFG_STS:         Status
+ * @NFP_NET_CFG_CAP:         Capabilities (same bits as @NFP_NET_CFG_CTRL)
+ * @NFP_NET_MAX_TXRINGS:     Maximum number of TX rings
+ * @NFP_NET_MAX_RXRINGS:     Maximum number of RX rings
+ * @NFP_NET_MAX_MTU:         Maximum support MTU
+ * @NFP_NET_CFG_START_TXQ:   Start Queue Control Queue to use for TX (PF only)
+ * @NFP_NET_CFG_START_RXQ:   Start Queue Control Queue to use for RX (PF only)
+ *
+ * TODO:
+ * - define more STS bits
+ */
+#define NFP_NET_CFG_VERSION             0x0030
+#define   NFP_NET_CFG_VERSION_RESERVED_MASK	(0xff << 24)
+#define   NFP_NET_CFG_VERSION_CLASS_MASK  (0xff << 16)
+#define   NFP_NET_CFG_VERSION_CLASS(x)    (((x) & 0xff) << 16)
+#define   NFP_NET_CFG_VERSION_CLASS_GENERIC	0
+#define   NFP_NET_CFG_VERSION_MAJOR_MASK  (0xff <<  8)
+#define   NFP_NET_CFG_VERSION_MAJOR(x)    (((x) & 0xff) <<  8)
+#define   NFP_NET_CFG_VERSION_MINOR_MASK  (0xff <<  0)
+#define   NFP_NET_CFG_VERSION_MINOR(x)    (((x) & 0xff) <<  0)
+#define NFP_NET_CFG_STS                 0x0034
+#define   NFP_NET_CFG_STS_LINK            (0x1 << 0) /* Link up or down */
+#define NFP_NET_CFG_CAP                 0x0038
+#define NFP_NET_CFG_MAX_TXRINGS         0x003c
+#define NFP_NET_CFG_MAX_RXRINGS         0x0040
+#define NFP_NET_CFG_MAX_MTU             0x0044
+/* Next two words are being used by VFs for solving THB350 issue */
+#define NFP_NET_CFG_START_TXQ           0x0048
+#define NFP_NET_CFG_START_RXQ           0x004c
+
+/*
+ * NFP-3200 workaround (0x0050 - 0x0058)
+ * @NFP_NET_CFG_SPARE_ADDR:  DMA address for ME code to use (e.g. YDS-155 fix)
+ */
+#define NFP_NET_CFG_SPARE_ADDR          0x0050
+/**
+ * NFP6000/NFP4000 - Prepend configuration
+ */
+#define NFP_NET_CFG_RX_OFFSET		0x0050
+#define NFP_NET_CFG_RX_OFFSET_DYNAMIC		0	/* Prepend mode */
+
+/**
+ * Reuse spare address to contain the offset from the start of
+ * the host buffer where the first byte of the received frame
+ * will land.  Any metadata will come prior to that offset.  If the
+ * value in this field is 0, it means that that the metadata will
+ * always land starting at the first byte of the host buffer and
+ * packet data will immediately follow the metadata.  As always,
+ * the RX descriptor indicates the presence or absence of metadata
+ * along with the length thereof.
+ */
+#define NFP_NET_CFG_RX_OFFSET_ADDR      0x0050
+
+#define NFP_NET_CFG_VXLAN_PORT          0x0060
+#define NFP_NET_CFG_VXLAN_SZ            0x0008
+
+/* Offload definitions */
+#define NFP_NET_N_VXLAN_PORTS  (NFP_NET_CFG_VXLAN_SZ / sizeof(uint16_t))
+
+/**
+ * 64B reserved for future use (0x0080 - 0x00c0)
+ */
+#define NFP_NET_CFG_RESERVED            0x0080
+#define NFP_NET_CFG_RESERVED_SZ         0x0040
+
+/*
+ * RSS configuration (0x0100 - 0x01ac):
+ * Used only when NFP_NET_CFG_CTRL_RSS is enabled
+ * @NFP_NET_CFG_RSS_CFG:     RSS configuration word
+ * @NFP_NET_CFG_RSS_KEY:     RSS "secret" key
+ * @NFP_NET_CFG_RSS_ITBL:    RSS indirection table
+ */
+#define NFP_NET_CFG_RSS_BASE            0x0100
+#define NFP_NET_CFG_RSS_CTRL            NFP_NET_CFG_RSS_BASE
+#define   NFP_NET_CFG_RSS_MASK            (0x7f)
+#define   NFP_NET_CFG_RSS_MASK_of(_x)     ((_x) & 0x7f)
+#define   NFP_NET_CFG_RSS_IPV4            (1 <<  8) /* RSS for IPv4 */
+#define   NFP_NET_CFG_RSS_IPV6            (1 <<  9) /* RSS for IPv6 */
+#define   NFP_NET_CFG_RSS_IPV4_TCP        (1 << 10) /* RSS for IPv4/TCP */
+#define   NFP_NET_CFG_RSS_IPV4_UDP        (1 << 11) /* RSS for IPv4/UDP */
+#define   NFP_NET_CFG_RSS_IPV6_TCP        (1 << 12) /* RSS for IPv6/TCP */
+#define   NFP_NET_CFG_RSS_IPV6_UDP        (1 << 13) /* RSS for IPv6/UDP */
+#define   NFP_NET_CFG_RSS_TOEPLITZ        (1 << 24) /* Use Toeplitz hash */
+#define NFP_NET_CFG_RSS_KEY             (NFP_NET_CFG_RSS_BASE + 0x4)
+#define NFP_NET_CFG_RSS_KEY_SZ          0x28
+#define NFP_NET_CFG_RSS_ITBL            (NFP_NET_CFG_RSS_BASE + 0x4 + \
+					 NFP_NET_CFG_RSS_KEY_SZ)
+#define NFP_NET_CFG_RSS_ITBL_SZ         0x80
+
+/*
+ * TX ring configuration (0x200 - 0x800)
+ * @NFP_NET_CFG_TXR_BASE:    Base offset for TX ring configuration
+ * @NFP_NET_CFG_TXR_ADDR:    Per TX ring DMA address (8B entries)
+ * @NFP_NET_CFG_TXR_WB_ADDR: Per TX ring write back DMA address (8B entries)
+ * @NFP_NET_CFG_TXR_SZ:      Per TX ring ring size (1B entries)
+ * @NFP_NET_CFG_TXR_VEC:     Per TX ring MSI-X table entry (1B entries)
+ * @NFP_NET_CFG_TXR_PRIO:    Per TX ring priority (1B entries)
+ * @NFP_NET_CFG_TXR_IRQ_MOD: Per TX ring interrupt moderation (4B entries)
+ */
+#define NFP_NET_CFG_TXR_BASE            0x0200
+#define NFP_NET_CFG_TXR_ADDR(_x)        (NFP_NET_CFG_TXR_BASE + ((_x) * 0x8))
+#define NFP_NET_CFG_TXR_WB_ADDR(_x)     (NFP_NET_CFG_TXR_BASE + 0x200 + \
+					 ((_x) * 0x8))
+#define NFP_NET_CFG_TXR_SZ(_x)          (NFP_NET_CFG_TXR_BASE + 0x400 + (_x))
+#define NFP_NET_CFG_TXR_VEC(_x)         (NFP_NET_CFG_TXR_BASE + 0x440 + (_x))
+#define NFP_NET_CFG_TXR_PRIO(_x)        (NFP_NET_CFG_TXR_BASE + 0x480 + (_x))
+#define NFP_NET_CFG_TXR_IRQ_MOD(_x)     (NFP_NET_CFG_TXR_BASE + 0x500 + \
+					 ((_x) * 0x4))
+
+/*
+ * RX ring configuration (0x0800 - 0x0c00)
+ * @NFP_NET_CFG_RXR_BASE:    Base offset for RX ring configuration
+ * @NFP_NET_CFG_RXR_ADDR:    Per TX ring DMA address (8B entries)
+ * @NFP_NET_CFG_RXR_SZ:      Per TX ring ring size (1B entries)
+ * @NFP_NET_CFG_RXR_VEC:     Per TX ring MSI-X table entry (1B entries)
+ * @NFP_NET_CFG_RXR_PRIO:    Per TX ring priority (1B entries)
+ * @NFP_NET_CFG_RXR_IRQ_MOD: Per TX ring interrupt moderation (4B entries)
+ */
+#define NFP_NET_CFG_RXR_BASE            0x0800
+#define NFP_NET_CFG_RXR_ADDR(_x)        (NFP_NET_CFG_RXR_BASE + ((_x) * 0x8))
+#define NFP_NET_CFG_RXR_SZ(_x)          (NFP_NET_CFG_RXR_BASE + 0x200 + (_x))
+#define NFP_NET_CFG_RXR_VEC(_x)         (NFP_NET_CFG_RXR_BASE + 0x240 + (_x))
+#define NFP_NET_CFG_RXR_PRIO(_x)        (NFP_NET_CFG_RXR_BASE + 0x280 + (_x))
+#define NFP_NET_CFG_RXR_IRQ_MOD(_x)     (NFP_NET_CFG_RXR_BASE + 0x300 + \
+					 ((_x) * 0x4))
+
+/*
+ * Interrupt Control/Cause registers (0x0c00 - 0x0d00)
+ * These registers are only used when MSI-X auto-masking is not
+ * enabled (@NFP_NET_CFG_CTRL_MSIXAUTO not set).  The array is index
+ * by MSI-X entry and are 1B in size.  If an entry is zero, the
+ * corresponding entry is enabled.  If the FW generates an interrupt,
+ * it writes a cause into the corresponding field.  This also masks
+ * the MSI-X entry and the host driver must clear the register to
+ * re-enable the interrupt.
+ */
+#define NFP_NET_CFG_ICR_BASE            0x0c00
+#define NFP_NET_CFG_ICR(_x)             (NFP_NET_CFG_ICR_BASE + (_x))
+#define   NFP_NET_CFG_ICR_UNMASKED      0x0
+#define   NFP_NET_CFG_ICR_RXTX          0x1
+#define   NFP_NET_CFG_ICR_LSC           0x2
+
+/*
+ * General device stats (0x0d00 - 0x0d90)
+ * all counters are 64bit.
+ */
+#define NFP_NET_CFG_STATS_BASE          0x0d00
+#define NFP_NET_CFG_STATS_RX_DISCARDS   (NFP_NET_CFG_STATS_BASE + 0x00)
+#define NFP_NET_CFG_STATS_RX_ERRORS     (NFP_NET_CFG_STATS_BASE + 0x08)
+#define NFP_NET_CFG_STATS_RX_OCTETS     (NFP_NET_CFG_STATS_BASE + 0x10)
+#define NFP_NET_CFG_STATS_RX_UC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x18)
+#define NFP_NET_CFG_STATS_RX_MC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x20)
+#define NFP_NET_CFG_STATS_RX_BC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x28)
+#define NFP_NET_CFG_STATS_RX_FRAMES     (NFP_NET_CFG_STATS_BASE + 0x30)
+#define NFP_NET_CFG_STATS_RX_MC_FRAMES  (NFP_NET_CFG_STATS_BASE + 0x38)
+#define NFP_NET_CFG_STATS_RX_BC_FRAMES  (NFP_NET_CFG_STATS_BASE + 0x40)
+
+#define NFP_NET_CFG_STATS_TX_DISCARDS   (NFP_NET_CFG_STATS_BASE + 0x48)
+#define NFP_NET_CFG_STATS_TX_ERRORS     (NFP_NET_CFG_STATS_BASE + 0x50)
+#define NFP_NET_CFG_STATS_TX_OCTETS     (NFP_NET_CFG_STATS_BASE + 0x58)
+#define NFP_NET_CFG_STATS_TX_UC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x60)
+#define NFP_NET_CFG_STATS_TX_MC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x68)
+#define NFP_NET_CFG_STATS_TX_BC_OCTETS  (NFP_NET_CFG_STATS_BASE + 0x70)
+#define NFP_NET_CFG_STATS_TX_FRAMES     (NFP_NET_CFG_STATS_BASE + 0x78)
+#define NFP_NET_CFG_STATS_TX_MC_FRAMES  (NFP_NET_CFG_STATS_BASE + 0x80)
+#define NFP_NET_CFG_STATS_TX_BC_FRAMES  (NFP_NET_CFG_STATS_BASE + 0x88)
+
+/*
+ * Per ring stats (0x1000 - 0x1800)
+ * options, 64bit per entry
+ * @NFP_NET_CFG_TXR_STATS:   TX ring statistics (Packet and Byte count)
+ * @NFP_NET_CFG_RXR_STATS:   RX ring statistics (Packet and Byte count)
+ */
+#define NFP_NET_CFG_TXR_STATS_BASE      0x1000
+#define NFP_NET_CFG_TXR_STATS(_x)       (NFP_NET_CFG_TXR_STATS_BASE + \
+					 ((_x) * 0x10))
+#define NFP_NET_CFG_RXR_STATS_BASE      0x1400
+#define NFP_NET_CFG_RXR_STATS(_x)       (NFP_NET_CFG_RXR_STATS_BASE + \
+					 ((_x) * 0x10))
+
+#endif /* _NFP_NET_CTRL_H_ */
+/*
+ * Local variables:
+ * c-file-style: "Linux"
+ * indent-tabs-mode: t
+ * End:
+ */
diff --git a/drivers/net/nfp/nfp_net_logs.h b/drivers/net/nfp/nfp_net_logs.h
new file mode 100644
index 0000000..0b966e4
--- /dev/null
+++ b/drivers/net/nfp/nfp_net_logs.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2014, 2015 Netronome Systems, Inc.
+ * 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
+ *
+ * 3. Neither the name of the copyright holder 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 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.
+ */
+
+#ifndef _NFP_NET_LOGS_H_
+#define _NFP_NET_LOGS_H_
+
+#include <rte_log.h>
+
+#define RTE_LIBRTE_NFP_NET_DEBUG_INIT 1
+
+#ifdef RTE_LIBRTE_NFP_NET_DEBUG_INIT
+#define PMD_INIT_LOG(level, fmt, args...) \
+	RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
+#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
+#else
+#define PMD_INIT_LOG(level, fmt, args...) do { } while (0)
+#define PMD_INIT_FUNC_TRACE() do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_NFP_NET_DEBUG_RX
+#define PMD_RX_LOG(level, fmt, args...) \
+	RTE_LOG(level, PMD, "%s() rx: " fmt, __func__, ## args)
+#else
+#define PMD_RX_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_NFP_NET_DEBUG_TX
+#define PMD_TX_LOG(level, fmt, args...) \
+	RTE_LOG(level, PMD, "%s() tx: " fmt, __func__, ## args)
+#else
+#define PMD_TX_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_NFP_NET_DEBUG_DRIVER
+#define PMD_DRV_LOG(level, fmt, args...) \
+	RTE_LOG(level, PMD, "%s(): " fmt, __func__, ## args)
+#else
+#define PMD_DRV_LOG(level, fmt, args...) do { } while (0)
+#endif
+
+#ifdef RTE_LIBRTE_NFP_NET_DEBUG_INIT
+#define ASSERT(x) if (!(x)) rte_panic("NFP_NET: x")
+#else
+#define ASSERT(x) do { } while (0)
+#endif
+
+#endif /* _NFP_NET_LOGS_H_ */
diff --git a/drivers/net/nfp/nfp_net_pmd.h b/drivers/net/nfp/nfp_net_pmd.h
new file mode 100644
index 0000000..b0a21af
--- /dev/null
+++ b/drivers/net/nfp/nfp_net_pmd.h
@@ -0,0 +1,453 @@
+/*
+ * Copyright (c) 2014, 2015 Netronome Systems, Inc.
+ * 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
+ *
+ * 3. Neither the name of the copyright holder 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 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.
+ */
+
+/*
+ * vim:shiftwidth=8:noexpandtab
+ *
+ * @file dpdk/pmd/nfp_net_pmd.h
+ *
+ * Netronome NFP_NET PDM driver
+ */
+
+#ifndef _NFP_NET_PMD_H_
+#define _NFP_NET_PMD_H_
+
+#define NFP_NET_PMD_VERSION "0.1"
+#define PCI_VENDOR_ID_NETRONOME         0x19ee
+#define PCI_DEVICE_ID_NFP6000_PF_NIC    0x6000
+#define PCI_DEVICE_ID_NFP6000_VF_NIC    0x6003
+
+/* Forward declaration */
+struct nfp_net_adapter;
+
+/*
+ * The maximum number of descriptors is limited by design as
+ * DPDK uses uint16_t variables for these values
+ */
+#define NFP_NET_MAX_TX_DESC (32 * 1024)
+#define NFP_NET_MIN_TX_DESC 64
+
+#define NFP_NET_MAX_RX_DESC (32 * 1024)
+#define NFP_NET_MIN_RX_DESC 64
+
+/* Bar allocation */
+#define NFP_NET_CRTL_BAR        0
+#define NFP_NET_TX_BAR          2
+#define NFP_NET_RX_BAR          2
+
+/* Macros for accessing the Queue Controller Peripheral 'CSRs' */
+#define NFP_QCP_QUEUE_OFF(_x)                 ((_x) * 0x800)
+#define NFP_QCP_QUEUE_ADD_RPTR                  0x0000
+#define NFP_QCP_QUEUE_ADD_WPTR                  0x0004
+#define NFP_QCP_QUEUE_STS_LO                    0x0008
+#define NFP_QCP_QUEUE_STS_LO_READPTR_mask     (0x3ffff)
+#define NFP_QCP_QUEUE_STS_HI                    0x000c
+#define NFP_QCP_QUEUE_STS_HI_WRITEPTR_mask    (0x3ffff)
+
+/* Interrupt definitions */
+#define NFP_NET_IRQ_LSC_IDX             0
+
+#define RTE_MBUF_DATA_DMA_ADDR(mb) \
+	((uint64_t)((mb)->buf_physaddr + (mb)->data_off))
+
+/* Default values for RX/TX configuration */
+#define DEFAULT_RX_FREE_THRESH  32
+#define DEFAULT_RX_PTHRESH      8
+#define DEFAULT_RX_HTHRESH      8
+#define DEFAULT_RX_WTHRESH      0
+
+#define DEFAULT_TX_RS_THRESH	32
+#define DEFAULT_TX_FREE_THRESH  32
+#define DEFAULT_TX_PTHRESH      32
+#define DEFAULT_TX_HTHRESH      0
+#define DEFAULT_TX_WTHRESH      0
+#define DEFAULT_TX_RSBIT_THRESH 32
+
+/* Alignment for dma zones */
+#define NFP_MEMZONE_ALIGN	128
+
+/*
+ * This is used by the reconfig protocol. It sets the maximum time waiting in
+ * milliseconds before a reconfig timeout happens.
+ */
+#define NFP_NET_POLL_TIMEOUT    5000
+
+#define NFP_QCP_QUEUE_ADDR_SZ   (0x800)
+
+#define NFP_NET_LINK_DOWN_CHECK_TIMEOUT 4000 /* ms */
+#define NFP_NET_LINK_UP_CHECK_TIMEOUT   1000 /* ms */
+
+/* Version number helper defines */
+#define NFD_CFG_CLASS_VER_msk       0xff
+#define NFD_CFG_CLASS_VER_shf       24
+#define NFD_CFG_CLASS_VER(x)        (((x) & 0xff) << 24)
+#define NFD_CFG_CLASS_VER_of(x)     (((x) >> 24) & 0xff)
+#define NFD_CFG_CLASS_TYPE_msk      0xff
+#define NFD_CFG_CLASS_TYPE_shf      16
+#define NFD_CFG_CLASS_TYPE(x)       (((x) & 0xff) << 16)
+#define NFD_CFG_CLASS_TYPE_of(x)    (((x) >> 16) & 0xff)
+#define NFD_CFG_MAJOR_VERSION_msk   0xff
+#define NFD_CFG_MAJOR_VERSION_shf   8
+#define NFD_CFG_MAJOR_VERSION(x)    (((x) & 0xff) << 8)
+#define NFD_CFG_MAJOR_VERSION_of(x) (((x) >> 8) & 0xff)
+#define NFD_CFG_MINOR_VERSION_msk   0xff
+#define NFD_CFG_MINOR_VERSION_shf   0
+#define NFD_CFG_MINOR_VERSION(x)    (((x) & 0xff) << 0)
+#define NFD_CFG_MINOR_VERSION_of(x) (((x) >> 0) & 0xff)
+
+#include <linux/types.h>
+
+static inline uint8_t nn_readb(volatile const void *addr)
+{
+	return *((volatile const uint8_t *)(addr));
+}
+
+static inline void nn_writeb(__u8 val, volatile void *addr)
+{
+	*((volatile uint8_t *)(addr)) = val;
+}
+
+static inline uint32_t nn_readl(volatile const void *addr)
+{
+	return *((volatile const uint32_t *)(addr));
+}
+
+static inline void nn_writel(uint32_t val, volatile void *addr)
+{
+	*((volatile uint32_t *)(addr)) = val;
+}
+
+static inline uint64_t nn_readq(volatile void *addr)
+{
+	const volatile uint32_t *p = addr;
+	uint32_t low, high;
+
+	high = nn_readl((volatile const void *)(p + 1));
+	low = nn_readl((volatile const void *)p);
+
+	return low + ((uint64_t)high << 32);
+}
+
+static inline void nn_writeq(uint64_t val, volatile void *addr)
+{
+	nn_writel(val >> 32, (volatile char *)addr + 4);
+	nn_writel(val, addr);
+}
+
+/* TX descriptor format */
+#define PCIE_DESC_TX_EOP                (1 << 7)
+#define PCIE_DESC_TX_OFFSET_MASK        (0x7f)
+
+/* Flags in the host TX descriptor */
+#define PCIE_DESC_TX_CSUM               (1 << 7)
+#define PCIE_DESC_TX_IP4_CSUM           (1 << 6)
+#define PCIE_DESC_TX_TCP_CSUM           (1 << 5)
+#define PCIE_DESC_TX_UDP_CSUM           (1 << 4)
+#define PCIE_DESC_TX_VLAN               (1 << 3)
+#define PCIE_DESC_TX_LSO                (1 << 2)
+#define PCIE_DESC_TX_ENCAP_NONE         (0)
+#define PCIE_DESC_TX_ENCAP_VXLAN        (1 << 1)
+#define PCIE_DESC_TX_ENCAP_GRE          (1 << 0)
+
+struct nfp_net_tx_desc {
+	union {
+		struct {
+			__u8 dma_addr_hi;   /* High bits of host buf address */
+			__le16 dma_len;     /* Length to DMA for this desc */
+			__u8 offset_eop;    /* Offset in buf where pkt starts +
+					     * highest bit is eop flag.
+					     */
+			__le32 dma_addr_lo; /* Low 32bit of host buf addr */
+
+			__le16 lso;         /* MSS to be used for LSO */
+			__u8 l4_offset;     /* LSO, where the L4 data starts */
+			__u8 flags;         /* TX Flags, see @PCIE_DESC_TX_* */
+
+			__le16 vlan;        /* VLAN tag to add if indicated */
+			__le16 data_len;    /* Length of frame + meta data */
+		} __attribute__((__packed__));
+		__le32 vals[4];
+	};
+};
+
+struct nfp_net_txq {
+	struct nfp_net_hw *hw; /* Backpointer to nfp_net structure */
+
+	/*
+	 * Queue information: @qidx is the queue index from Linux's
+	 * perspective.  @tx_qcidx is the index of the Queue
+	 * Controller Peripheral queue relative to the TX queue BAR.
+	 * @cnt is the size of the queue in number of
+	 * descriptors. @qcp_q is a pointer to the base of the queue
+	 * structure on the NFP
+	 */
+	__u8 *qcp_q;
+
+	/*
+	 * Read and Write pointers.  @wr_p and @rd_p are host side pointer,
+	 * they are free running and have little relation to the QCP pointers *
+	 * @qcp_rd_p is a local copy queue controller peripheral read pointer
+	 */
+
+	uint32_t wr_p;
+	uint32_t rd_p;
+	uint32_t qcp_rd_p;
+
+	uint32_t tx_count;
+
+	uint32_t tx_free_thresh;
+	uint32_t tail;
+
+	/*
+	 * For each descriptor keep a reference to the mbuff and
+	 * DMA address used until completion is signalled.
+	 */
+	struct {
+		struct rte_mbuf *mbuf;
+	} *txbufs;
+
+	/*
+	 * Information about the host side queue location. @txds is
+	 * the virtual address for the queue, @dma is the DMA address
+	 * of the queue and @size is the size in bytes for the queue
+	 * (needed for free)
+	 */
+	struct nfp_net_tx_desc *txds;
+
+	/*
+	 * At this point 56 bytes have been used for all the fields in the
+	 * TX critical path. We have room for 8 bytes and still all placed
+	 * in a cache line. We are not using the threshold values below nor
+	 * the txq_flags but if we need to, we can add the most used in the
+	 * remaining bytes.
+	 */
+	uint32_t tx_rs_thresh; /* not used by now. Future? */
+	uint32_t tx_pthresh;   /* not used by now. Future? */
+	uint32_t tx_hthresh;   /* not used by now. Future? */
+	uint32_t tx_wthresh;   /* not used by now. Future? */
+	uint32_t txq_flags;    /* not used by now. Future? */
+	__u8  port_id;
+	int qidx;
+	int tx_qcidx;
+	__le64 dma;
+} __attribute__ ((__aligned__(64)));
+
+/* RX and freelist descriptor format */
+#define PCIE_DESC_RX_DD                 (1 << 7)
+#define PCIE_DESC_RX_META_LEN_MASK      (0x7f)
+
+/* Flags in the RX descriptor */
+#define PCIE_DESC_RX_RSS                (1 << 15)
+#define PCIE_DESC_RX_I_IP4_CSUM         (1 << 14)
+#define PCIE_DESC_RX_I_IP4_CSUM_OK      (1 << 13)
+#define PCIE_DESC_RX_I_TCP_CSUM         (1 << 12)
+#define PCIE_DESC_RX_I_TCP_CSUM_OK      (1 << 11)
+#define PCIE_DESC_RX_I_UDP_CSUM         (1 << 10)
+#define PCIE_DESC_RX_I_UDP_CSUM_OK      (1 <<  9)
+#define PCIE_DESC_RX_INGRESS_PORT       (1 <<  8)
+#define PCIE_DESC_RX_EOP                (1 <<  7)
+#define PCIE_DESC_RX_IP4_CSUM           (1 <<  6)
+#define PCIE_DESC_RX_IP4_CSUM_OK        (1 <<  5)
+#define PCIE_DESC_RX_TCP_CSUM           (1 <<  4)
+#define PCIE_DESC_RX_TCP_CSUM_OK        (1 <<  3)
+#define PCIE_DESC_RX_UDP_CSUM           (1 <<  2)
+#define PCIE_DESC_RX_UDP_CSUM_OK        (1 <<  1)
+#define PCIE_DESC_RX_VLAN               (1 <<  0)
+
+struct nfp_net_rx_desc {
+	union {
+		/* Freelist descriptor */
+		struct {
+			__u8 dma_addr_hi;
+			__le16 spare;
+			__u8 dd;
+
+			__le32 dma_addr_lo;
+		} __attribute__((__packed__)) fld;
+
+		/* RX descriptor */
+		struct {
+			__le16 data_len;
+			__u8 reserved;
+			__u8 meta_len_dd;
+
+			__le16 flags;
+			__le16 vlan;
+		} __attribute__((__packed__)) rxd;
+
+		__le32 vals[2];
+	};
+};
+
+struct nfp_net_rx_buff {
+	struct rte_mbuf *mbuf;
+};
+
+struct nfp_net_rxq {
+	struct nfp_net_hw *hw;	/* Backpointer to nfp_net structure */
+
+	 /*
+	  * @qcp_fl and @qcp_rx are pointers to the base addresses of the
+	  * freelist and RX queue controller peripheral queue structures on the
+	  * NFP
+	  */
+	__u8 *qcp_fl;
+	__u8 *qcp_rx;
+
+	/*
+	 * Read and Write pointers.  @wr_p and @rd_p are host side
+	 * pointer, they are free running and have little relation to
+	 * the QCP pointers. @wr_p is where the driver adds new
+	 * freelist descriptors and @rd_p is where the driver start
+	 * reading descriptors for newly arrive packets from.
+	 */
+	uint32_t wr_p;
+	uint32_t rd_p;
+
+	/*
+	 * For each buffer placed on the freelist, record the
+	 * associated SKB
+	 */
+	struct nfp_net_rx_buff *rxbufs;
+
+	/*
+	 * Information about the host side queue location.  @rxds is
+	 * the virtual address for the queue
+	 */
+	struct nfp_net_rx_desc *rxds;
+
+	/*
+	 * The mempool is created by the user specifying a mbuf size.
+	 * We save here the reference of the mempool needed in the RX
+	 * path and the mbuf size for checking received packets can be
+	 * safely copied to the mbuf using the NFP_NET_RX_OFFSET
+	 */
+	struct rte_mempool *mem_pool;
+	uint16_t mbuf_size;
+
+	/*
+	 * Next two fields are used for giving more free descriptors
+	 * to the NFP
+	 */
+	uint16_t rx_free_thresh;
+	uint16_t nb_rx_hold;
+
+	 /* the size of the queue in number of descriptors */
+	uint16_t rx_count;
+
+	/*
+	 * Fields above this point fit in a single cache line and are all used
+	 * in the RX critical path. Fields below this point are just used
+	 * during queue configuration or not used at all (yet)
+	 */
+
+	/* referencing dev->data->port_id */
+	uint16_t port_id;
+
+	uint8_t  crc_len; /* Not used by now */
+	uint8_t  drop_en; /* Not used by now */
+
+	/* DMA address of the queue */
+	__le64 dma;
+
+	/*
+	 * Queue information: @qidx is the queue index from Linux's
+	 * perspective.  @fl_qcidx is the index of the Queue
+	 * Controller peripheral queue relative to the RX queue BAR
+	 * used for the freelist and @rx_qcidx is the Queue Controller
+	 * Peripheral index for the RX queue.
+	 */
+	int qidx;
+	int fl_qcidx;
+	int rx_qcidx;
+} __attribute__ ((__aligned__(64)));
+
+struct nfp_net_hw {
+	/* Info from the firmware */
+	uint32_t ver;
+	uint32_t cap;
+	uint32_t max_mtu;
+	uint32_t mtu;
+	uint32_t rx_offset;
+
+	/* Current values for control */
+	uint32_t ctrl;
+
+	uint8_t *ctrl_bar;
+	uint8_t *tx_bar;
+	uint8_t *rx_bar;
+
+	int stride_rx;
+	int stride_tx;
+
+	__u8 *qcp_cfg;
+
+	uint32_t max_tx_queues;
+	uint32_t max_rx_queues;
+	uint16_t flbufsz;
+	uint16_t device_id;
+	uint16_t vendor_id;
+	uint16_t subsystem_device_id;
+	uint16_t subsystem_vendor_id;
+#if defined(DSTQ_SELECTION)
+#if DSTQ_SELECTION
+	uint16_t device_function;
+#endif
+#endif
+
+	uint8_t mac_addr[ETHER_ADDR_LEN];
+
+	/* Records starting point for counters */
+	struct rte_eth_stats eth_stats_base;
+
+#ifdef NFP_NET_LIBNFP
+	struct nfp_cpp *cpp;
+	struct nfp_cpp_area *ctrl_area;
+	struct nfp_cpp_area *tx_area;
+	struct nfp_cpp_area *rx_area;
+	struct nfp_cpp_area *msix_area;
+#endif
+};
+
+struct nfp_net_adapter {
+	struct nfp_net_hw hw;
+};
+
+#define NFP_NET_DEV_PRIVATE_TO_HW(adapter)\
+	(&((struct nfp_net_adapter *)adapter)->hw)
+
+#endif /* _NFP_NET_PMD_H_ */
+/*
+ * Local variables:
+ * c-file-style: "Linux"
+ * indent-tabs-mode: t
+ * End:
+ */
diff --git a/drivers/net/nfp/rte_pmd_nfp_version.map b/drivers/net/nfp/rte_pmd_nfp_version.map
new file mode 100644
index 0000000..ad607bb
--- /dev/null
+++ b/drivers/net/nfp/rte_pmd_nfp_version.map
@@ -0,0 +1,3 @@
+DPDK_2.2 {
+	local: *;
+};
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 148653e..83737cf 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -144,6 +144,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD)      += -lrte_pmd_ixgbe
 _LDLIBS-$(CONFIG_RTE_LIBRTE_E1000_PMD)      += -lrte_pmd_e1000
 _LDLIBS-$(CONFIG_RTE_LIBRTE_MLX4_PMD)       += -lrte_pmd_mlx4
 _LDLIBS-$(CONFIG_RTE_LIBRTE_MLX5_PMD)       += -lrte_pmd_mlx5
+_LDLIBS-$(CONFIG_RTE_LIBRTE_NFP_PMD)        += -lrte_pmd_nfp
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SZEDATA2)   += -lrte_pmd_szedata2
 _LDLIBS-$(CONFIG_RTE_LIBRTE_MPIPE_PMD)      += -lrte_pmd_mpipe -lgxio
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_RING)       += -lrte_pmd_ring
-- 
1.7.9.5

  reply	other threads:[~2015-11-26  9:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-26  9:49 [dpdk-dev] [PATCH v9 0/9] support for netronome nfp-6xxx card Alejandro Lucero
2015-11-26  9:49 ` Alejandro Lucero [this message]
2015-11-26 18:14   ` [dpdk-dev] [PATCH v9 1/9] nfp: basic initialization Stephen Hemminger
2015-11-27  7:51     ` Alejandro Lucero
2015-11-27  9:18       ` Thomas Monjalon
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 2/9] nfp: adding rx/tx functionality Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 3/9] nfp: adding rss Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 4/9] nfp: adding stats Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 5/9] nfp: adding link functionality Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 6/9] nfp: adding extra functionality Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 7/9] nfp: link status change interrupt support Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 8/9] nfp: adding nic guide Alejandro Lucero
2015-11-26  9:49 ` [dpdk-dev] [PATCH v9 9/9] nfp: updating maintainers Alejandro Lucero

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