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From: Haiyue Wang <haiyue.wang@intel.com>
To: dev@dpdk.org, xiaolong.ye@intel.com, qi.z.zhang@intel.com,
	qiming.yang@intel.com, beilei.xing@intel.com
Cc: wei.zhao1@intel.com, Haiyue Wang <haiyue.wang@intel.com>
Subject: [dpdk-dev] [PATCH v1 3/4] net/ice: add the DCF framework
Date: Mon,  9 Mar 2020 22:14:36 +0800
Message-ID: <20200309141437.11800-4-haiyue.wang@intel.com> (raw)
In-Reply-To: <20200309141437.11800-1-haiyue.wang@intel.com>

The DCF (Device Config Function) feature works as a standalone PMD, its
hardware entity is the trusted VF with ID 0, and the software function
is to control the flow setting of other VFs by the mailbox with PF.

It doesn't handle packet Rx/Tx related things. This PMD needs the iAVF
virtchnl to send the ICE PF's AdminQ command.

Also for security, it needs to acquire the DCF capability from PF. The
flow related things will be added later, it shares most of the ICE flow
function. This mainly handles hardware initialization etc.

                               .-------------.
                             .-|             |
                           .-| |             |
                           | | |  iAVF PMD   |
                           | | |             |
                           | | |             |
                           | | '-------------'
                           | '-------------'
                           '-------------'
                          ^   Other VFs
                         /
                        / Flow Distribution
  .------------------. /
  |                  |/  DCF cap req   .-------------.
  |      CVL         .  <----------    |             |
  |     Kernel       |  ---------->    |             |
  .                  .   DCF cap rsp   |   DCF PMD   |
  |                  |                 |             |
  '------------------'  <-----------   |             |
                          rte_flow     '-------------'
                                             VF0

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
---
 doc/guides/nics/ice.rst          |  47 +++
 doc/guides/nics/img/ice_dcf.png  | Bin 0 -> 39168 bytes
 drivers/common/Makefile          |   1 +
 drivers/net/ice/Makefile         |   6 +
 drivers/net/ice/ice_dcf.c        | 651 +++++++++++++++++++++++++++++++
 drivers/net/ice/ice_dcf.h        |  61 +++
 drivers/net/ice/ice_dcf_ethdev.c | 319 +++++++++++++++
 drivers/net/ice/ice_dcf_ethdev.h |  33 ++
 drivers/net/ice/ice_dcf_parent.c | 348 +++++++++++++++++
 drivers/net/ice/meson.build      |   8 +-
 mk/rte.app.mk                    |   1 +
 11 files changed, 1473 insertions(+), 2 deletions(-)
 create mode 100644 doc/guides/nics/img/ice_dcf.png
 create mode 100644 drivers/net/ice/ice_dcf.c
 create mode 100644 drivers/net/ice/ice_dcf.h
 create mode 100644 drivers/net/ice/ice_dcf_ethdev.c
 create mode 100644 drivers/net/ice/ice_dcf_ethdev.h
 create mode 100644 drivers/net/ice/ice_dcf_parent.c

diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst
index 8af32dabf..2639ae239 100644
--- a/doc/guides/nics/ice.rst
+++ b/doc/guides/nics/ice.rst
@@ -240,6 +240,53 @@ report a MDD event and drop the packets.
 
 The APPs based on DPDK should avoid providing such packets.
 
+Device Config Function (DCF)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section demonstrates ICE DCF PMD, which shares the core module with ICE
+PMD and iAVF PMD.
+
+A DCF (Device Config Function) PMD bounds to the device's trusted VF with ID 0,
+it can act as a sole controlling entity to exercise advance functionality (such
+as switch, ACL) for the rest VFs.
+
+The DCF PMD needs to advertise and acquire DCF capability which allows DCF to
+send AdminQ commands that it would like to execute over to the PF and receive
+responses for the same from PF.
+
+.. _figure_ice_dcf:
+
+.. figure:: img/ice_dcf.*
+
+   DCF Communication flow.
+
+#. Create the VFs::
+
+      echo 4 > /sys/bus/pci/devices/0000\:18\:00.0/sriov_numvfs
+
+#. Enable the VF0 trust on::
+
+      ip link set dev enp24s0f0 vf 0 trust on
+
+#. Bind the VF0,  and run testpmd with 'cap=dcf' devarg::
+
+      testpmd -l 22-25 -n 4 -w 18:01.0,cap=dcf -- -i
+
+#. Monitor the VF2 interface network traffic::
+
+      tcpdump -e -nn -i enp24s1f2
+
+#. Create one flow to redirect the traffic to VF2 by DCF::
+
+      flow create 0 priority 0 ingress pattern eth / ipv4 src is 192.168.0.2 \
+      dst is 192.168.0.3 / end actions vf id 2 / end
+
+#. Send the packet, and it should be displayed on tcpdump::
+
+      sendp(Ether(src='3c:fd:fe:aa:bb:78', dst='00:00:00:01:02:03')/IP(src=' \
+      192.168.0.2', dst="192.168.0.3")/TCP(flags='S')/Raw(load='XXXXXXXXXX'), \
+      iface="enp24s0f0", count=10)
+
 Sample Application Notes
 ------------------------
 
diff --git a/doc/guides/nics/img/ice_dcf.png b/doc/guides/nics/img/ice_dcf.png
new file mode 100644
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literal 0
HcmV?d00001

diff --git a/drivers/common/Makefile b/drivers/common/Makefile
index 96bd7ac6e..df2e840cf 100644
--- a/drivers/common/Makefile
+++ b/drivers/common/Makefile
@@ -31,6 +31,7 @@ DIRS-y += dpaax
 endif
 
 IAVF-y := $(CONFIG_RTE_LIBRTE_IAVF_PMD)
+IAVF-y += $(CONFIG_RTE_LIBRTE_ICE_PMD)
 ifneq (,$(findstring y,$(IAVF-y)))
 DIRS-y += iavf
 endif
diff --git a/drivers/net/ice/Makefile b/drivers/net/ice/Makefile
index e22c34287..643639a50 100644
--- a/drivers/net/ice/Makefile
+++ b/drivers/net/ice/Makefile
@@ -11,9 +11,11 @@ LIB = librte_pmd_ice.a
 CFLAGS += -O3
 CFLAGS += $(WERROR_FLAGS)
 CFLAGS += -DALLOW_EXPERIMENTAL_API
+CFLAGS += -I$(RTE_SDK)/drivers/common/iavf
 
 LDLIBS += -lrte_eal -lrte_mbuf -lrte_ethdev -lrte_kvargs
 LDLIBS += -lrte_bus_pci -lrte_mempool -lrte_hash
+LDLIBS += -lrte_net -lrte_common_iavf
 
 EXPORT_MAP := rte_pmd_ice_version.map
 
@@ -84,6 +86,10 @@ ifeq ($(CC_AVX2_SUPPORT), 1)
 endif
 SRCS-$(CONFIG_RTE_LIBRTE_ICE_PMD) += ice_generic_flow.c
 
+SRCS-$(CONFIG_RTE_LIBRTE_ICE_PMD) += ice_dcf.c
+SRCS-$(CONFIG_RTE_LIBRTE_ICE_PMD) += ice_dcf_parent.c
+SRCS-$(CONFIG_RTE_LIBRTE_ICE_PMD) += ice_dcf_ethdev.c
+
 # install this header file
 SYMLINK-$(CONFIG_RTE_LIBRTE_ICE_PMD)-include := rte_pmd_ice.h
 
diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
new file mode 100644
index 000000000..669122331
--- /dev/null
+++ b/drivers/net/ice/ice_dcf.c
@@ -0,0 +1,651 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <inttypes.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_eal.h>
+#include <rte_ether.h>
+#include <rte_ethdev_driver.h>
+#include <rte_ethdev_pci.h>
+#include <rte_malloc.h>
+#include <rte_memzone.h>
+#include <rte_dev.h>
+
+#include "ice_dcf.h"
+
+#define ICE_DCF_AQ_LEN     32
+#define ICE_DCF_AQ_BUF_SZ  4096
+
+#define ICE_DCF_ARQ_MAX_RETRIES 200
+#define ICE_DCF_ARQ_CHECK_TIME  2   /* msecs */
+
+#define ICE_DCF_VF_RES_BUF_SZ	\
+	(sizeof(struct virtchnl_vf_resource) +	\
+		IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource))
+
+static __rte_always_inline int
+ice_dcf_send_cmd_req_no_irq(struct ice_dcf_hw *hw, enum virtchnl_ops op,
+			    uint8_t *req_msg, uint16_t req_msglen)
+{
+	return iavf_aq_send_msg_to_pf(&hw->avf, op, IAVF_SUCCESS,
+				      req_msg, req_msglen, NULL);
+}
+
+static int
+ice_dcf_recv_cmd_rsp_no_irq(struct ice_dcf_hw *hw, enum virtchnl_ops op,
+			    uint8_t *rsp_msgbuf, uint16_t rsp_buflen,
+			    uint16_t *rsp_msglen)
+{
+	struct iavf_arq_event_info event;
+	enum virtchnl_ops v_op;
+	int i = 0;
+	int err;
+
+	event.buf_len = rsp_buflen;
+	event.msg_buf = rsp_msgbuf;
+
+	do {
+		err = iavf_clean_arq_element(&hw->avf, &event, NULL);
+		if (err != IAVF_SUCCESS)
+			goto again;
+
+		v_op = rte_le_to_cpu_32(event.desc.cookie_high);
+		if (v_op != op)
+			goto again;
+
+		if (rsp_msglen != NULL)
+			*rsp_msglen = event.msg_len;
+		return rte_le_to_cpu_32(event.desc.cookie_low);
+
+again:
+		rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
+	} while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
+
+	return -EIO;
+}
+
+static __rte_always_inline void
+ice_dcf_aq_cmd_clear(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
+{
+	rte_spinlock_lock(&hw->vc_cmd_queue_lock);
+
+	TAILQ_REMOVE(&hw->vc_cmd_queue, cmd, next);
+
+	rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
+}
+
+static __rte_always_inline void
+ice_dcf_vc_cmd_set(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
+{
+	cmd->v_ret = IAVF_ERR_NOT_READY;
+	cmd->rsp_msglen = 0;
+	cmd->pending = 1;
+
+	rte_spinlock_lock(&hw->vc_cmd_queue_lock);
+
+	TAILQ_INSERT_TAIL(&hw->vc_cmd_queue, cmd, next);
+
+	rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
+}
+
+static __rte_always_inline int
+ice_dcf_vc_cmd_send(struct ice_dcf_hw *hw, struct dcf_virtchnl_cmd *cmd)
+{
+	return iavf_aq_send_msg_to_pf(&hw->avf,
+				      cmd->v_op, IAVF_SUCCESS,
+				      cmd->req_msg, cmd->req_msglen, NULL);
+}
+
+static __rte_always_inline void
+ice_dcf_aq_cmd_handle(struct ice_dcf_hw *hw, struct iavf_arq_event_info *info)
+{
+	struct dcf_virtchnl_cmd *cmd;
+	enum virtchnl_ops v_op;
+	enum iavf_status v_ret;
+	uint16_t aq_op;
+
+	aq_op = rte_le_to_cpu_16(info->desc.opcode);
+	if (unlikely(aq_op != iavf_aqc_opc_send_msg_to_vf)) {
+		PMD_DRV_LOG(ERR,
+			    "Request %u is not supported yet", aq_op);
+		return;
+	}
+
+	v_op = rte_le_to_cpu_32(info->desc.cookie_high);
+	if (unlikely(v_op == VIRTCHNL_OP_EVENT)) {
+		if (hw->vc_event_msg_cb != NULL)
+			hw->vc_event_msg_cb(hw,
+					    info->msg_buf,
+					    info->msg_len);
+		return;
+	}
+
+	v_ret = rte_le_to_cpu_32(info->desc.cookie_low);
+
+	rte_spinlock_lock(&hw->vc_cmd_queue_lock);
+
+	TAILQ_FOREACH(cmd, &hw->vc_cmd_queue, next) {
+		if (cmd->v_op == v_op && cmd->pending) {
+			cmd->v_ret = v_ret;
+			cmd->rsp_msglen = RTE_MIN(info->msg_len,
+						  cmd->rsp_buflen);
+			if (likely(cmd->rsp_msglen != 0))
+				rte_memcpy(cmd->rsp_msgbuf, info->msg_buf,
+					   cmd->rsp_msglen);
+
+			/* prevent compiler reordering */
+			rte_compiler_barrier();
+			cmd->pending = 0;
+			break;
+		}
+	}
+
+	rte_spinlock_unlock(&hw->vc_cmd_queue_lock);
+}
+
+static void
+ice_dcf_handle_virtchnl_msg(struct ice_dcf_hw *hw)
+{
+	struct iavf_arq_event_info info;
+	uint16_t pending = 1;
+	int ret;
+
+	info.buf_len = ICE_DCF_AQ_BUF_SZ;
+	info.msg_buf = hw->arq_buf;
+
+	while (pending) {
+		ret = iavf_clean_arq_element(&hw->avf, &info, &pending);
+		if (ret != IAVF_SUCCESS)
+			break;
+
+		ice_dcf_aq_cmd_handle(hw, &info);
+	}
+}
+
+static int
+ice_dcf_init_check_api_version(struct ice_dcf_hw *hw)
+{
+#define ICE_CPF_VIRTCHNL_VERSION_MAJOR_START	1
+#define ICE_CPF_VIRTCHNL_VERSION_MINOR_START	1
+	struct virtchnl_version_info version, *pver;
+	int err;
+
+	version.major = VIRTCHNL_VERSION_MAJOR;
+	version.minor = VIRTCHNL_VERSION_MINOR;
+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_VERSION,
+					  (uint8_t *)&version, sizeof(version));
+	if (err) {
+		PMD_INIT_LOG(ERR, "Fail to send OP_VERSION");
+		return err;
+	}
+
+	pver = &hw->virtchnl_version;
+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_VERSION,
+					  (uint8_t *)pver, sizeof(*pver), NULL);
+	if (err) {
+		PMD_INIT_LOG(ERR, "Fail to get response of OP_VERSION");
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG,
+		    "Peer PF API version: %u.%u", pver->major, pver->minor);
+
+	if (pver->major < ICE_CPF_VIRTCHNL_VERSION_MAJOR_START ||
+	    (pver->major == ICE_CPF_VIRTCHNL_VERSION_MAJOR_START &&
+	     pver->minor < ICE_CPF_VIRTCHNL_VERSION_MINOR_START)) {
+		PMD_INIT_LOG(ERR,
+			     "VIRTCHNL API version should not be lower than (%u.%u)",
+			     ICE_CPF_VIRTCHNL_VERSION_MAJOR_START,
+			     ICE_CPF_VIRTCHNL_VERSION_MAJOR_START);
+		return -1;
+	} else if (pver->major > VIRTCHNL_VERSION_MAJOR ||
+		   (pver->major == VIRTCHNL_VERSION_MAJOR &&
+		    pver->minor > VIRTCHNL_VERSION_MINOR)) {
+		PMD_INIT_LOG(ERR,
+			     "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
+			     pver->major, pver->minor,
+			     VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR);
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG, "Peer is supported PF host");
+
+	return 0;
+}
+
+static int
+ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
+{
+	uint32_t caps;
+	int err, i;
+
+	caps = VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RX_POLLING |
+	       VIRTCHNL_VF_CAP_ADV_LINK_SPEED | VIRTCHNL_VF_CAP_DCF |
+	       VF_BASE_MODE_OFFLOADS;
+
+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
+					  (uint8_t *)&caps, sizeof(caps));
+	if (err) {
+		PMD_DRV_LOG(ERR, "Fail to send msg OP_GET_VF_RESOURCE");
+		return err;
+	}
+
+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
+					  (uint8_t *)hw->vf_res,
+					  ICE_DCF_VF_RES_BUF_SZ, NULL);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Fail to get response of OP_GET_VF_RESOURCE");
+		return -1;
+	}
+
+	iavf_vf_parse_hw_config(&hw->avf, hw->vf_res);
+
+	hw->vsi_res = NULL;
+	for (i = 0; i < hw->vf_res->num_vsis; i++) {
+		if (hw->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
+			hw->vsi_res = &hw->vf_res->vsi_res[i];
+	}
+
+	if (!hw->vsi_res) {
+		PMD_DRV_LOG(ERR, "no LAN VSI found");
+		return -1;
+	}
+
+	hw->vsi_id = hw->vsi_res->vsi_id;
+	PMD_DRV_LOG(DEBUG, "VSI ID is %u", hw->vsi_id);
+
+	return 0;
+}
+
+static int
+ice_dcf_get_vf_vsi_map(struct ice_dcf_hw *hw)
+{
+	struct virtchnl_dcf_vsi_map *vsi_map;
+	uint16_t len;
+	int err;
+
+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
+					  NULL, 0);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Fail to send msg OP_DCF_GET_VSI_MAP");
+		return err;
+	}
+
+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
+					  hw->arq_buf, ICE_DCF_AQ_BUF_SZ,
+					  &len);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Fail to get response of OP_DCF_GET_VSI_MAP");
+		return err;
+	}
+
+	vsi_map = (struct virtchnl_dcf_vsi_map *)hw->arq_buf;
+	if (len < sizeof(*vsi_map) || !vsi_map->num_vfs ||
+	    len < sizeof(*vsi_map) +
+			(vsi_map->num_vfs - 1) * sizeof(vsi_map->vf_vsi[0])) {
+		PMD_DRV_LOG(ERR, "invalid vf vsi map response with length %u",
+			    len);
+		return -EINVAL;
+	}
+
+	if (hw->num_vfs != 0 && hw->num_vfs != vsi_map->num_vfs) {
+		PMD_DRV_LOG(ERR, "The number VSI map (%u) doesn't match the number of VFs (%u)",
+			    vsi_map->num_vfs, hw->num_vfs);
+		return -EINVAL;
+	}
+
+	len = vsi_map->num_vfs * sizeof(vsi_map->vf_vsi[0]);
+	if (!hw->vf_vsi_map) {
+		hw->num_vfs = vsi_map->num_vfs;
+		hw->vf_vsi_map = rte_zmalloc("vf_vsi_ctx", len, 0);
+	}
+
+	if (!hw->vf_vsi_map) {
+		PMD_DRV_LOG(ERR, "Fail to alloc memory for VSI context");
+		return -ENOMEM;
+	}
+
+	if (!memcmp(hw->vf_vsi_map, vsi_map->vf_vsi, len)) {
+		PMD_DRV_LOG(DEBUG, "VF VSI map doesn't change");
+		return 1;
+	}
+
+	rte_memcpy(hw->vf_vsi_map, vsi_map->vf_vsi, len);
+	return 0;
+}
+
+static int
+ice_dcf_mode_disable(struct ice_dcf_hw *hw)
+{
+	int err;
+
+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
+					  NULL, 0);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Fail to send msg OP_DCF_DISABLE");
+		return err;
+	}
+
+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
+					  (uint8_t *)hw->arq_buf,
+					  ICE_DCF_AQ_BUF_SZ, NULL);
+	if (err) {
+		PMD_DRV_LOG(ERR,
+			    "Fail to get response of OP_DCF_DISABLE %d",
+			    err);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
+{
+#define ICE_DCF_RESET_WAIT_CNT       50
+	struct iavf_hw *avf = &hw->avf;
+	int i, reset;
+
+	for (i = 0; i < ICE_DCF_RESET_WAIT_CNT; i++) {
+		reset = IAVF_READ_REG(avf, IAVF_VFGEN_RSTAT) &
+					IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
+		reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
+
+		if (reset == VIRTCHNL_VFR_VFACTIVE ||
+		    reset == VIRTCHNL_VFR_COMPLETED)
+			break;
+
+		rte_delay_ms(20);
+	}
+
+	if (i >= ICE_DCF_RESET_WAIT_CNT)
+		return -1;
+
+	return 0;
+}
+
+static inline void
+ice_dcf_enable_irq0(struct ice_dcf_hw *hw)
+{
+	struct iavf_hw *avf = &hw->avf;
+
+	/* Enable admin queue interrupt trigger */
+	IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1,
+		       IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
+	IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
+		       IAVF_VFINT_DYN_CTL01_INTENA_MASK |
+		       IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
+		       IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
+
+	IAVF_WRITE_FLUSH(avf);
+}
+
+static inline void
+ice_dcf_disable_irq0(struct ice_dcf_hw *hw)
+{
+	struct iavf_hw *avf = &hw->avf;
+
+	/* Disable all interrupt types */
+	IAVF_WRITE_REG(avf, IAVF_VFINT_ICR0_ENA1, 0);
+	IAVF_WRITE_REG(avf, IAVF_VFINT_DYN_CTL01,
+		       IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
+
+	IAVF_WRITE_FLUSH(avf);
+}
+
+static void
+ice_dcf_dev_interrupt_handler(void *param)
+{
+	struct ice_dcf_hw *hw = param;
+
+	ice_dcf_disable_irq0(hw);
+
+	ice_dcf_handle_virtchnl_msg(hw);
+
+	ice_dcf_enable_irq0(hw);
+}
+
+int
+ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
+			     struct dcf_virtchnl_cmd *cmd)
+{
+	int i = 0;
+	int err;
+
+	if ((cmd->req_msg && !cmd->req_msglen) ||
+	    (!cmd->req_msg && cmd->req_msglen) ||
+	    (cmd->rsp_msgbuf && !cmd->rsp_buflen) ||
+	    (!cmd->rsp_msgbuf && cmd->rsp_buflen))
+		return -EINVAL;
+
+	rte_spinlock_lock(&hw->vc_cmd_send_lock);
+	ice_dcf_vc_cmd_set(hw, cmd);
+
+	err = ice_dcf_vc_cmd_send(hw, cmd);
+	if (err) {
+		PMD_DRV_LOG(ERR, "fail to send cmd %d", cmd->v_op);
+		goto ret;
+	}
+
+	do {
+		if (!cmd->pending)
+			break;
+
+		rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
+	} while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
+
+	if (cmd->v_ret != IAVF_SUCCESS) {
+		err = -1;
+		PMD_DRV_LOG(ERR,
+			    "No response (%d times) or return failure (%d) for cmd %d",
+			    i, cmd->v_ret, cmd->v_op);
+	}
+
+ret:
+	ice_dcf_aq_cmd_clear(hw, cmd);
+	rte_spinlock_unlock(&hw->vc_cmd_send_lock);
+	return err;
+}
+
+int
+ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
+		    void *buf, uint16_t buf_size)
+{
+	struct dcf_virtchnl_cmd desc_cmd, buff_cmd;
+	struct ice_dcf_hw *hw = dcf_hw;
+	int err = 0;
+	int i = 0;
+
+	if ((buf && !buf_size) || (!buf && buf_size) ||
+	    buf_size > ICE_DCF_AQ_BUF_SZ)
+		return -EINVAL;
+
+	desc_cmd.v_op = VIRTCHNL_OP_DCF_CMD_DESC;
+	desc_cmd.req_msglen = sizeof(*desc);
+	desc_cmd.req_msg = (uint8_t *)desc;
+	desc_cmd.rsp_buflen = sizeof(*desc);
+	desc_cmd.rsp_msgbuf = (uint8_t *)desc;
+
+	if (buf == NULL)
+		return ice_dcf_execute_virtchnl_cmd(hw, &desc_cmd);
+
+	desc->flags |= rte_cpu_to_le_16(ICE_AQ_FLAG_BUF);
+
+	buff_cmd.v_op = VIRTCHNL_OP_DCF_CMD_BUFF;
+	buff_cmd.req_msglen = buf_size;
+	buff_cmd.req_msg = buf;
+	buff_cmd.rsp_buflen = buf_size;
+	buff_cmd.rsp_msgbuf = buf;
+
+	rte_spinlock_lock(&hw->vc_cmd_send_lock);
+	ice_dcf_vc_cmd_set(hw, &desc_cmd);
+	ice_dcf_vc_cmd_set(hw, &buff_cmd);
+
+	if (ice_dcf_vc_cmd_send(hw, &desc_cmd) ||
+	    ice_dcf_vc_cmd_send(hw, &buff_cmd)) {
+		err = -1;
+		PMD_DRV_LOG(ERR, "fail to send OP_DCF_CMD_DESC/BUFF");
+		goto ret;
+	}
+
+	do {
+		if ((!desc_cmd.pending && !buff_cmd.pending) ||
+		    (!desc_cmd.pending && desc_cmd.v_ret != IAVF_SUCCESS) ||
+		    (!buff_cmd.pending && buff_cmd.v_ret != IAVF_SUCCESS))
+			break;
+
+		rte_delay_ms(ICE_DCF_ARQ_CHECK_TIME);
+	} while (i++ < ICE_DCF_ARQ_MAX_RETRIES);
+
+	if (desc_cmd.v_ret != IAVF_SUCCESS || buff_cmd.v_ret != IAVF_SUCCESS) {
+		err = -1;
+		PMD_DRV_LOG(ERR,
+			    "No response (%d times) or return failure (desc: %d / buff: %d)",
+			    i, desc_cmd.v_ret, buff_cmd.v_ret);
+	}
+
+ret:
+	ice_dcf_aq_cmd_clear(hw, &desc_cmd);
+	ice_dcf_aq_cmd_clear(hw, &buff_cmd);
+	rte_spinlock_unlock(&hw->vc_cmd_send_lock);
+
+	return err;
+}
+
+int
+ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
+{
+	int err = 0;
+
+	rte_spinlock_lock(&hw->vc_cmd_send_lock);
+	ice_dcf_disable_irq0(hw);
+
+	if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw))
+		err = -1;
+
+	ice_dcf_enable_irq0(hw);
+	rte_spinlock_unlock(&hw->vc_cmd_send_lock);
+
+	return err;
+}
+
+int
+ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
+{
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+	int ret;
+
+	hw->avf.hw_addr = pci_dev->mem_resource[0].addr;
+	hw->avf.back = hw;
+
+	hw->avf.bus.bus_id = pci_dev->addr.bus;
+	hw->avf.bus.device = pci_dev->addr.devid;
+	hw->avf.bus.func = pci_dev->addr.function;
+
+	hw->avf.device_id = pci_dev->id.device_id;
+	hw->avf.vendor_id = pci_dev->id.vendor_id;
+	hw->avf.subsystem_device_id = pci_dev->id.subsystem_device_id;
+	hw->avf.subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
+
+	hw->avf.aq.num_arq_entries = ICE_DCF_AQ_LEN;
+	hw->avf.aq.num_asq_entries = ICE_DCF_AQ_LEN;
+	hw->avf.aq.arq_buf_size = ICE_DCF_AQ_BUF_SZ;
+	hw->avf.aq.asq_buf_size = ICE_DCF_AQ_BUF_SZ;
+
+	rte_spinlock_init(&hw->vc_cmd_send_lock);
+	rte_spinlock_init(&hw->vc_cmd_queue_lock);
+	TAILQ_INIT(&hw->vc_cmd_queue);
+
+	hw->arq_buf = rte_zmalloc("arq_buf", ICE_DCF_AQ_BUF_SZ, 0);
+	if (hw->arq_buf == NULL) {
+		PMD_INIT_LOG(ERR, "unable to allocate AdminQ buffer memory");
+		goto err;
+	}
+
+	ret = iavf_set_mac_type(&hw->avf);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "set_mac_type failed: %d", ret);
+		goto err;
+	}
+
+	ret = ice_dcf_check_reset_done(hw);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "VF is still resetting");
+		goto err;
+	}
+
+	ret = iavf_init_adminq(&hw->avf);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "init_adminq failed: %d", ret);
+		goto err;
+	}
+
+	if (ice_dcf_init_check_api_version(hw)) {
+		PMD_INIT_LOG(ERR, "check_api version failed");
+		goto err_api;
+	}
+
+	hw->vf_res = rte_zmalloc("vf_res", ICE_DCF_VF_RES_BUF_SZ, 0);
+	if (hw->vf_res == NULL) {
+		PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
+		goto err_api;
+	}
+
+	if (ice_dcf_get_vf_resource(hw)) {
+		PMD_INIT_LOG(ERR, "Failed to get VF resource");
+		goto err_alloc;
+	}
+
+	if (ice_dcf_get_vf_vsi_map(hw) < 0) {
+		PMD_INIT_LOG(ERR, "Failed to get VF VSI map");
+		ice_dcf_mode_disable(hw);
+		goto err_alloc;
+	}
+
+	rte_intr_callback_register(&pci_dev->intr_handle,
+				   ice_dcf_dev_interrupt_handler, hw);
+	rte_intr_enable(&pci_dev->intr_handle);
+	ice_dcf_enable_irq0(hw);
+
+	return 0;
+
+err_alloc:
+	rte_free(hw->vf_res);
+err_api:
+	iavf_shutdown_adminq(&hw->avf);
+err:
+	rte_free(hw->arq_buf);
+
+	return -1;
+}
+
+void
+ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
+{
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+	ice_dcf_disable_irq0(hw);
+	rte_intr_disable(intr_handle);
+	rte_intr_callback_unregister(intr_handle,
+				     ice_dcf_dev_interrupt_handler, hw);
+
+	ice_dcf_mode_disable(hw);
+	iavf_shutdown_adminq(&hw->avf);
+
+	rte_free(hw->arq_buf);
+	rte_free(hw->vf_vsi_map);
+	rte_free(hw->vf_res);
+}
diff --git a/drivers/net/ice/ice_dcf.h b/drivers/net/ice/ice_dcf.h
new file mode 100644
index 000000000..58647d87f
--- /dev/null
+++ b/drivers/net/ice/ice_dcf.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#ifndef _ICE_DCF_H_
+#define _ICE_DCF_H_
+
+#include <rte_ethdev_driver.h>
+
+#include <iavf_prototype.h>
+#include <iavf_adminq_cmd.h>
+#include <iavf_type.h>
+
+#include "base/ice_type.h"
+#include "ice_logs.h"
+
+struct dcf_virtchnl_cmd {
+	TAILQ_ENTRY(dcf_virtchnl_cmd) next;
+
+	enum virtchnl_ops v_op;
+	enum iavf_status v_ret;
+
+	uint16_t req_msglen;
+	uint8_t *req_msg;
+
+	uint16_t rsp_msglen;
+	uint16_t rsp_buflen;
+	uint8_t *rsp_msgbuf;
+
+	volatile int pending;
+};
+
+struct ice_dcf_hw {
+	struct iavf_hw avf;
+
+	rte_spinlock_t vc_cmd_send_lock;
+	rte_spinlock_t vc_cmd_queue_lock;
+	TAILQ_HEAD(, dcf_virtchnl_cmd) vc_cmd_queue;
+	void (*vc_event_msg_cb)(struct ice_dcf_hw *dcf_hw,
+				uint8_t *msg, uint16_t msglen);
+
+	uint8_t *arq_buf;
+
+	uint16_t num_vfs;
+	uint16_t *vf_vsi_map;
+
+	struct virtchnl_version_info virtchnl_version;
+	struct virtchnl_vf_resource *vf_res; /* VF resource */
+	struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
+	uint16_t vsi_id;
+};
+
+int ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
+				 struct dcf_virtchnl_cmd *cmd);
+int ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
+			void *buf, uint16_t buf_size);
+int ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw);
+int ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
+void ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
+
+#endif /* _ICE_DCF_H_ */
diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
new file mode 100644
index 000000000..f65b962d4
--- /dev/null
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -0,0 +1,319 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include <rte_interrupts.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_eal.h>
+#include <rte_ether.h>
+#include <rte_ethdev_pci.h>
+#include <rte_kvargs.h>
+#include <rte_malloc.h>
+#include <rte_memzone.h>
+#include <rte_dev.h>
+
+#include <iavf_devids.h>
+
+#include "ice_generic_flow.h"
+#include "ice_dcf_ethdev.h"
+
+static uint16_t
+ice_dcf_recv_pkts(__rte_unused void *rx_queue,
+		  __rte_unused struct rte_mbuf **bufs,
+		  __rte_unused uint16_t nb_pkts)
+{
+	return 0;
+}
+
+static uint16_t
+ice_dcf_xmit_pkts(__rte_unused void *tx_queue,
+		  __rte_unused struct rte_mbuf **bufs,
+		  __rte_unused uint16_t nb_pkts)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_start(struct rte_eth_dev *dev)
+{
+	dev->data->dev_link.link_status = ETH_LINK_UP;
+
+	return 0;
+}
+
+static void
+ice_dcf_dev_stop(struct rte_eth_dev *dev)
+{
+	dev->data->dev_link.link_status = ETH_LINK_DOWN;
+}
+
+static int
+ice_dcf_dev_configure(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_info_get(struct rte_eth_dev *dev,
+		     struct rte_eth_dev_info *dev_info)
+{
+	struct ice_dcf_adapter *adapter = dev->data->dev_private;
+
+	dev_info->max_mac_addrs = 1;
+	dev_info->max_rx_pktlen = (uint32_t)-1;
+	dev_info->max_rx_queues = RTE_DIM(adapter->rxqs);
+	dev_info->max_tx_queues = RTE_DIM(adapter->txqs);
+
+	return 0;
+}
+
+static int
+ice_dcf_stats_get(__rte_unused struct rte_eth_dev *dev,
+		  __rte_unused struct rte_eth_stats *igb_stats)
+{
+	return 0;
+}
+
+static int
+ice_dcf_stats_reset(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_promiscuous_enable(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_promiscuous_disable(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_allmulticast_enable(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_allmulticast_disable(__rte_unused struct rte_eth_dev *dev)
+{
+	return 0;
+}
+
+static int
+ice_dcf_dev_filter_ctrl(struct rte_eth_dev *dev,
+			enum rte_filter_type filter_type,
+			__rte_unused enum rte_filter_op filter_op,
+			__rte_unused void *arg)
+{
+	int ret = 0;
+
+	if (!dev)
+		return -EINVAL;
+
+	switch (filter_type) {
+	default:
+		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+			    filter_type);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static void
+ice_dcf_dev_close(struct rte_eth_dev *dev)
+{
+	struct ice_dcf_adapter *adapter = dev->data->dev_private;
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return;
+
+	dev->dev_ops = NULL;
+	dev->rx_pkt_burst = NULL;
+	dev->tx_pkt_burst = NULL;
+
+	ice_dcf_uninit_parent_adapter(dev);
+	ice_dcf_uninit_hw(dev, &adapter->real_hw);
+}
+
+static void
+ice_dcf_queue_release(__rte_unused void *q)
+{
+}
+
+static int
+ice_dcf_link_update(__rte_unused struct rte_eth_dev *dev,
+		    __rte_unused int wait_to_complete)
+{
+	return 0;
+}
+
+static int
+ice_dcf_rx_queue_setup(struct rte_eth_dev *dev,
+		       uint16_t rx_queue_id,
+		       __rte_unused uint16_t nb_rx_desc,
+		       __rte_unused unsigned int socket_id,
+		       __rte_unused const struct rte_eth_rxconf *rx_conf,
+		       __rte_unused struct rte_mempool *mb_pool)
+{
+	struct ice_dcf_adapter *adapter = dev->data->dev_private;
+
+	dev->data->rx_queues[rx_queue_id] = &adapter->rxqs[rx_queue_id];
+
+	return 0;
+}
+
+static int
+ice_dcf_tx_queue_setup(struct rte_eth_dev *dev,
+		       uint16_t tx_queue_id,
+		       __rte_unused uint16_t nb_tx_desc,
+		       __rte_unused unsigned int socket_id,
+		       __rte_unused const struct rte_eth_txconf *tx_conf)
+{
+	struct ice_dcf_adapter *adapter = dev->data->dev_private;
+
+	dev->data->tx_queues[tx_queue_id] = &adapter->txqs[tx_queue_id];
+
+	return 0;
+}
+
+static const struct eth_dev_ops ice_dcf_eth_dev_ops = {
+	.dev_start               = ice_dcf_dev_start,
+	.dev_stop                = ice_dcf_dev_stop,
+	.dev_close               = ice_dcf_dev_close,
+	.dev_configure           = ice_dcf_dev_configure,
+	.dev_infos_get           = ice_dcf_dev_info_get,
+	.rx_queue_setup          = ice_dcf_rx_queue_setup,
+	.tx_queue_setup          = ice_dcf_tx_queue_setup,
+	.rx_queue_release        = ice_dcf_queue_release,
+	.tx_queue_release        = ice_dcf_queue_release,
+	.link_update             = ice_dcf_link_update,
+	.stats_get               = ice_dcf_stats_get,
+	.stats_reset             = ice_dcf_stats_reset,
+	.promiscuous_enable      = ice_dcf_dev_promiscuous_enable,
+	.promiscuous_disable     = ice_dcf_dev_promiscuous_disable,
+	.allmulticast_enable     = ice_dcf_dev_allmulticast_enable,
+	.allmulticast_disable    = ice_dcf_dev_allmulticast_disable,
+	.filter_ctrl             = ice_dcf_dev_filter_ctrl,
+};
+
+static int
+ice_dcf_dev_init(struct rte_eth_dev *eth_dev)
+{
+	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
+
+	eth_dev->dev_ops = &ice_dcf_eth_dev_ops;
+	eth_dev->rx_pkt_burst = ice_dcf_recv_pkts;
+	eth_dev->tx_pkt_burst = ice_dcf_xmit_pkts;
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+
+	adapter->real_hw.vc_event_msg_cb = ice_dcf_handle_pf_event_msg;
+	if (ice_dcf_init_hw(eth_dev, &adapter->real_hw) != 0) {
+		PMD_DRV_LOG(ERR, "Failed to init DCF hardware");
+		return -1;
+	}
+
+	if (ice_dcf_init_parent_adapter(eth_dev) != 0) {
+		PMD_DRV_LOG(ERR, "Failed to init DCF parent adapter");
+		ice_dcf_uninit_hw(eth_dev, &adapter->real_hw);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+ice_dcf_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+	ice_dcf_dev_close(eth_dev);
+
+	return 0;
+}
+
+static int
+handle_dcf_arg(__rte_unused const char *key, const char *value,
+	       __rte_unused void *arg)
+{
+	bool *dcf = arg;
+
+	if (arg == NULL || value == NULL)
+		return -EINVAL;
+
+	if (strcmp(value, "dcf") == 0)
+		*dcf = true;
+	else
+		*dcf = false;
+
+	return 0;
+}
+
+static bool
+check_cap_dcf_enable(struct rte_devargs *devargs)
+{
+	struct rte_kvargs *kvlist;
+	bool enable = false;
+
+	if (devargs == NULL)
+		return false;
+
+	kvlist = rte_kvargs_parse(devargs->args, NULL);
+	if (kvlist == NULL)
+		return false;
+
+	rte_kvargs_process(kvlist, "cap", handle_dcf_arg, &enable);
+
+	rte_kvargs_free(kvlist);
+
+	return enable;
+}
+
+static int eth_ice_dcf_pci_probe(__rte_unused struct rte_pci_driver *pci_drv,
+			     struct rte_pci_device *pci_dev)
+{
+	if (!check_cap_dcf_enable(pci_dev->device.devargs))
+		return 1; /* continue to probe */
+
+	return rte_eth_dev_pci_generic_probe(pci_dev,
+					     sizeof(struct ice_dcf_adapter),
+					     ice_dcf_dev_init);
+}
+
+static int eth_ice_dcf_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev, ice_dcf_dev_uninit);
+}
+
+static const struct rte_pci_id pci_id_ice_dcf_map[] = {
+	{ RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
+	{ .vendor_id = 0, /* sentinel */ },
+};
+
+static struct rte_pci_driver rte_ice_dcf_pmd = {
+	.id_table = pci_id_ice_dcf_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+	.probe = eth_ice_dcf_pci_probe,
+	.remove = eth_ice_dcf_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_ice_dcf, rte_ice_dcf_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_ice_dcf, pci_id_ice_dcf_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_ice_dcf, "* igb_uio | vfio-pci");
+RTE_PMD_REGISTER_PARAM_STRING(net_ice_dcf, "cap=dcf");
diff --git a/drivers/net/ice/ice_dcf_ethdev.h b/drivers/net/ice/ice_dcf_ethdev.h
new file mode 100644
index 000000000..e95266599
--- /dev/null
+++ b/drivers/net/ice/ice_dcf_ethdev.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#ifndef _ICE_DCF_ETHDEV_H_
+#define _ICE_DCF_ETHDEV_H_
+
+#include "base/ice_common.h"
+#include "base/ice_adminq_cmd.h"
+
+#include "ice_ethdev.h"
+#include "ice_dcf.h"
+
+#define ICE_DCF_MAX_RINGS  1
+
+struct ice_dcf_queue {
+	uint64_t dummy;
+};
+
+struct ice_dcf_adapter {
+	struct ice_adapter parent; /* Must be first */
+
+	struct ice_dcf_hw real_hw;
+	struct ice_dcf_queue rxqs[ICE_DCF_MAX_RINGS];
+	struct ice_dcf_queue txqs[ICE_DCF_MAX_RINGS];
+};
+
+void ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
+				 uint8_t *msg, uint16_t msglen);
+int ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev);
+void ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev);
+
+#endif /* _ICE_DCF_ETHDEV_H_ */
diff --git a/drivers/net/ice/ice_dcf_parent.c b/drivers/net/ice/ice_dcf_parent.c
new file mode 100644
index 000000000..bca9cd34a
--- /dev/null
+++ b/drivers/net/ice/ice_dcf_parent.c
@@ -0,0 +1,348 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <rte_alarm.h>
+
+#include "ice_dcf_ethdev.h"
+#include "ice_generic_flow.h"
+
+#define ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL	100000 /* us */
+
+static __rte_always_inline void
+ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
+		       uint16_t vsi_map)
+{
+	struct ice_vsi_ctx *vsi_ctx;
+
+	if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
+		PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
+		return;
+	}
+
+	vsi_ctx = hw->vsi_ctx[vsi_handle];
+
+	if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
+		if (!vsi_ctx)
+			vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
+
+		if (!vsi_ctx) {
+			PMD_DRV_LOG(ERR, "No memory for vsi context %u",
+				    vsi_handle);
+			return;
+		}
+
+		vsi_ctx->vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
+					      VIRTCHNL_DCF_VF_VSI_ID_S;
+		hw->vsi_ctx[vsi_handle] = vsi_ctx;
+
+		PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
+			    vsi_handle, vsi_ctx->vsi_num);
+	} else {
+		hw->vsi_ctx[vsi_handle] = NULL;
+
+		if (vsi_ctx)
+			ice_free(hw, vsi_ctx);
+
+		PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
+	}
+}
+
+static void
+ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
+			  uint16_t *vf_vsi_map)
+{
+	uint16_t vf_id;
+
+	for (vf_id = 0; vf_id < num_vfs; vf_id++)
+		ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
+}
+
+static void
+ice_dcf_vsi_update_service_handler(void *param)
+{
+	struct ice_dcf_hw *hw = param;
+
+	if (!ice_dcf_handle_vsi_update_event(hw)) {
+		struct ice_dcf_adapter *dcf_ad =
+			container_of(hw, struct ice_dcf_adapter, real_hw);
+
+		ice_dcf_update_vf_vsi_map(&dcf_ad->parent.hw,
+					  hw->num_vfs, hw->vf_vsi_map);
+	}
+}
+
+void
+ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
+			    uint8_t *msg, uint16_t msglen)
+{
+	struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
+
+	if (msglen < sizeof(struct virtchnl_pf_event)) {
+		PMD_DRV_LOG(DEBUG, "Invalid event message length : %u", msglen);
+		return;
+	}
+
+	switch (pf_msg->event) {
+	case VIRTCHNL_EVENT_RESET_IMPENDING:
+		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
+		rte_eal_alarm_set(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL * 2,
+				  ice_dcf_vsi_update_service_handler, dcf_hw);
+		break;
+	case VIRTCHNL_EVENT_LINK_CHANGE:
+		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
+		break;
+	case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
+		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
+		break;
+	case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
+		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
+			    pf_msg->event_data.vf_vsi_map.vf_id,
+			    pf_msg->event_data.vf_vsi_map.vsi_id);
+		rte_eal_alarm_set(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL,
+				  ice_dcf_vsi_update_service_handler, dcf_hw);
+		break;
+	default:
+		PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
+		break;
+	}
+}
+
+static int
+ice_dcf_init_parent_hw(struct ice_hw *hw)
+{
+	struct ice_aqc_get_phy_caps_data *pcaps;
+	enum ice_status status;
+
+	status = ice_aq_get_fw_ver(hw, NULL);
+	if (status)
+		return status;
+
+	status = ice_get_caps(hw);
+	if (status)
+		return status;
+
+	hw->port_info = (struct ice_port_info *)
+			ice_malloc(hw, sizeof(*hw->port_info));
+	if (!hw->port_info)
+		return ICE_ERR_NO_MEMORY;
+
+	/* set the back pointer to HW */
+	hw->port_info->hw = hw;
+
+	/* Initialize port_info struct with switch configuration data */
+	status = ice_get_initial_sw_cfg(hw);
+	if (status)
+		goto err_unroll_alloc;
+
+	pcaps = (struct ice_aqc_get_phy_caps_data *)
+		ice_malloc(hw, sizeof(*pcaps));
+	if (!pcaps) {
+		status = ICE_ERR_NO_MEMORY;
+		goto err_unroll_alloc;
+	}
+
+	/* Initialize port_info struct with PHY capabilities */
+	status = ice_aq_get_phy_caps(hw->port_info, false,
+				     ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
+	ice_free(hw, pcaps);
+	if (status)
+		goto err_unroll_alloc;
+
+	/* Initialize port_info struct with link information */
+	status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
+	if (status)
+		goto err_unroll_alloc;
+
+	status = ice_init_fltr_mgmt_struct(hw);
+	if (status)
+		goto err_unroll_alloc;
+
+	status = ice_init_hw_tbls(hw);
+	if (status)
+		goto err_unroll_fltr_mgmt_struct;
+
+	PMD_DRV_LOG(INFO,
+		    "firmware %d.%d.%d api %d.%d.%d build 0x%08x",
+		    hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
+		    hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
+		    hw->fw_build);
+
+	return ICE_SUCCESS;
+
+err_unroll_fltr_mgmt_struct:
+	ice_cleanup_fltr_mgmt_struct(hw);
+err_unroll_alloc:
+	ice_free(hw, hw->port_info);
+	hw->port_info = NULL;
+
+	return status;
+}
+
+static void ice_dcf_uninit_parent_hw(struct ice_hw *hw)
+{
+	ice_cleanup_fltr_mgmt_struct(hw);
+
+	ice_free_seg(hw);
+	ice_free_hw_tbls(hw);
+
+	if (hw->port_info) {
+		ice_free(hw, hw->port_info);
+		hw->port_info = NULL;
+	}
+
+	ice_clear_all_vsi_ctx(hw);
+}
+
+static int
+ice_dcf_request_pkg_name(struct ice_hw *hw, char *pkg_name)
+{
+	struct ice_dcf_adapter *dcf_adapter =
+			container_of(hw, struct ice_dcf_adapter, parent.hw);
+
+	/* TODO: check with DSN firstly by iAVF */
+	PMD_DRV_LOG(DEBUG,
+		    "DCF VSI_ID = %u",
+		    dcf_adapter->real_hw.vsi_id);
+
+	snprintf(pkg_name,
+		 ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_UPDATES);
+	if (!access(pkg_name, 0))
+		return 0;
+
+	snprintf(pkg_name,
+		 ICE_MAX_PKG_FILENAME_SIZE, "%s", ICE_PKG_FILE_DEFAULT);
+	if (!access(pkg_name, 0))
+		return 0;
+
+	return -1;
+}
+
+static int
+ice_dcf_load_pkg(struct ice_hw *hw)
+{
+	char pkg_name[ICE_MAX_PKG_FILENAME_SIZE];
+	uint8_t *pkg_buf;
+	uint32_t buf_len;
+	struct stat st;
+	FILE *fp;
+	int err;
+
+	if (ice_dcf_request_pkg_name(hw, pkg_name)) {
+		PMD_INIT_LOG(ERR, "failed to locate the package file");
+		return -ENOENT;
+	}
+
+	PMD_INIT_LOG(DEBUG, "DDP package name: %s", pkg_name);
+
+	err = stat(pkg_name, &st);
+	if (err) {
+		PMD_INIT_LOG(ERR, "failed to get file status");
+		return err;
+	}
+
+	buf_len = st.st_size;
+	pkg_buf = rte_malloc(NULL, buf_len, 0);
+	if (!pkg_buf) {
+		PMD_INIT_LOG(ERR, "failed to allocate buffer of size %u for package",
+			     buf_len);
+		return -1;
+	}
+
+	fp = fopen(pkg_name, "rb");
+	if (!fp)  {
+		PMD_INIT_LOG(ERR, "failed to open file: %s", pkg_name);
+		err = -1;
+		goto ret;
+	}
+
+	err = fread(pkg_buf, buf_len, 1, fp);
+	fclose(fp);
+	if (err != 1) {
+		PMD_INIT_LOG(ERR, "failed to read package data");
+		err = -1;
+		goto ret;
+	}
+
+	err = ice_copy_and_init_pkg(hw, pkg_buf, buf_len);
+	if (err)
+		PMD_INIT_LOG(ERR, "ice_copy_and_init_hw failed: %d", err);
+
+ret:
+	rte_free(pkg_buf);
+	return err;
+}
+
+int
+ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
+{
+	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
+	struct ice_adapter *parent_adapter = &adapter->parent;
+	struct ice_hw *parent_hw = &parent_adapter->hw;
+	struct ice_dcf_hw *hw = &adapter->real_hw;
+	const struct rte_ether_addr *mac;
+	int err;
+
+	parent_adapter->eth_dev = eth_dev;
+	parent_adapter->pf.adapter = parent_adapter;
+	parent_adapter->pf.dev_data = eth_dev->data;
+	parent_hw->back = parent_adapter;
+	parent_hw->mac_type = ICE_MAC_GENERIC;
+	parent_hw->vendor_id = ICE_INTEL_VENDOR_ID;
+
+	ice_init_lock(&parent_hw->adminq.sq_lock);
+	ice_init_lock(&parent_hw->adminq.rq_lock);
+	parent_hw->aq_send_cmd_fn = ice_dcf_send_aq_cmd;
+	parent_hw->aq_send_cmd_param = &adapter->real_hw;
+	parent_hw->dcf_enabled = true;
+
+	err = ice_dcf_init_parent_hw(parent_hw);
+	if (err) {
+		PMD_DRV_LOG(ERR, "failed to init the DCF parent hardware with error %d",
+			    err);
+		return err;
+	}
+
+	err = ice_dcf_load_pkg(parent_hw);
+	if (err) {
+		PMD_DRV_LOG(ERR, "failed to load package with error %d",
+			    err);
+		goto uninit_hw;
+	}
+	parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
+
+	ice_dcf_update_vf_vsi_map(parent_hw,
+				  hw->num_vfs, hw->vf_vsi_map);
+
+	mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
+	if (rte_is_valid_assigned_ether_addr(mac))
+		rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
+	else
+		rte_eth_random_addr(parent_adapter->pf.dev_addr.addr_bytes);
+
+	eth_dev->data->mac_addrs = &parent_adapter->pf.dev_addr;
+
+	return 0;
+
+uninit_hw:
+	ice_dcf_uninit_parent_hw(parent_hw);
+	return err;
+}
+
+void
+ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
+{
+	struct ice_dcf_adapter *adapter = eth_dev->data->dev_private;
+	struct ice_adapter *parent_adapter = &adapter->parent;
+	struct ice_hw *parent_hw = &parent_adapter->hw;
+
+	eth_dev->data->mac_addrs = NULL;
+
+	rte_eal_alarm_cancel(ice_dcf_vsi_update_service_handler,
+			     &adapter->real_hw);
+
+	ice_dcf_uninit_parent_hw(parent_hw);
+}
diff --git a/drivers/net/ice/meson.build b/drivers/net/ice/meson.build
index f9e897bbc..0df8ddc0f 100644
--- a/drivers/net/ice/meson.build
+++ b/drivers/net/ice/meson.build
@@ -15,8 +15,8 @@ sources = files(
 	'ice_hash.c'
 	)
 
-deps += ['hash']
-includes += include_directories('base')
+deps += ['hash', 'net', 'common_iavf']
+includes += include_directories('base', '../../common/iavf')
 
 if arch_subdir == 'x86'
 	sources += files('ice_rxtx_vec_sse.c')
@@ -37,4 +37,8 @@ if arch_subdir == 'x86'
 	endif
 endif
 
+sources += files('ice_dcf.c',
+		 'ice_dcf_parent.c',
+		 'ice_dcf_ethdev.c')
+
 install_headers('rte_pmd_ice.h')
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index d295ca0a5..f3798a09f 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -185,6 +185,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_I40E_PMD)       += -lrte_pmd_i40e
 _LDLIBS-$(CONFIG_RTE_LIBRTE_IAVF_PMD)       += -lrte_pmd_iavf
 _LDLIBS-$(CONFIG_RTE_LIBRTE_ICE_PMD)        += -lrte_pmd_ice
 IAVF-y := $(CONFIG_RTE_LIBRTE_IAVF_PMD)
+IAVF-y += $(CONFIG_RTE_LIBRTE_ICE_PMD)
 ifeq ($(findstring y,$(IAVF-y)),y)
 _LDLIBS-y += -lrte_common_iavf
 endif
-- 
2.25.1


  parent reply index

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09 14:14 [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support Haiyue Wang
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 1/4] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-09 15:38   ` Ye Xiaolong
2020-03-10  2:19     ` Wang, Haiyue
2020-03-10  3:37       ` Ye Xiaolong
2020-03-10  4:26         ` Wang, Haiyue
2020-03-23  1:50   ` Wu, Jingjing
2020-03-23  1:55     ` Wang, Haiyue
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 2/4] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-09 16:25   ` Ye Xiaolong
2020-03-09 14:14 ` Haiyue Wang [this message]
2020-03-10  4:17   ` [dpdk-dev] [PATCH v1 3/4] net/ice: add the DCF framework Ye Xiaolong
2020-03-10  5:09     ` Wang, Haiyue
2020-03-10  5:23       ` Ye Xiaolong
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 4/4] doc: add release notes for Intel ice PMD Haiyue Wang
2020-03-09 15:22   ` Ye Xiaolong
2020-03-10  2:16     ` Wang, Haiyue
2020-03-09 15:36 ` [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support David Marchand
2020-03-09 16:20   ` Ye Xiaolong
2020-03-09 17:57     ` Thomas Monjalon
2020-03-09 19:34       ` Kevin Traynor
2020-03-10  2:00         ` Wang, Haiyue
2020-03-10  7:48           ` Thomas Monjalon
2020-03-10  9:36             ` Ferruh Yigit
2020-03-10 14:11               ` Aaron Conole
2020-03-10 14:09   ` Aaron Conole
2020-03-10  6:50 ` [dpdk-dev] [PATCH v2 0/7] " Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-13  5:27     ` Ye Xiaolong
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 3/7] net/ice: initiate to acquire the DCF capability Haiyue Wang
2020-03-13  5:51     ` Ye Xiaolong
2020-03-13  6:19       ` Wang, Haiyue
2020-03-13  6:04     ` Ye Xiaolong
2020-03-13  6:10       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-13  7:59     ` Ye Xiaolong
2020-03-13  8:03       ` Ye Xiaolong
2020-03-16  4:52       ` Wang, Haiyue
2020-03-13 14:06     ` Ye Xiaolong
2020-03-13 14:11       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-13  7:01     ` Ye Xiaolong
2020-03-16  5:58       ` Wang, Haiyue
2020-03-13 16:19   ` [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support Stillwell Jr, Paul M
2020-03-13 16:25     ` Wang, Haiyue
2020-03-13 16:50       ` Stillwell Jr, Paul M
2020-03-13 17:05         ` Wang, Haiyue
2020-03-13 17:47           ` Stillwell Jr, Paul M
2020-03-14  1:57             ` Wang, Haiyue
2020-03-15  1:49     ` Zhang, Qi Z
2020-03-16 18:54       ` Stillwell Jr, Paul M
2020-03-17  2:35         ` Wang, Haiyue
2020-03-16  5:52 ` [dpdk-dev] [PATCH v3 " Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  3:03 ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  3:28     ` Wu, Jingjing
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  4:11   ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Zhang, Qi Z
2020-03-26  5:05   ` Ye Xiaolong
2020-03-26  5:26     ` Wang, Haiyue
2020-03-26  7:15 ` [dpdk-dev] [PATCH v5 " Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27  2:56 ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-31  8:50     ` Ferruh Yigit
2020-03-31 12:17       ` Wang, Haiyue
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27 15:26   ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Ye Xiaolong

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