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numam-dpdk/lib/librte_pmd_i40e/i40e_ethdev_vf.c
Chen Jing D(Mark) 3f6a696f10 i40evf: queue start and stop 
Add per-queue RX/TX start/stop function.
Support fields start_rx_per_q and start_tx_per_q.
In the meanwhile, change dev_start/stop to call per-queue RX/TX functions.

Signed-off-by: Chen Jing D(Mark) <jing.d.chen@intel.com>
Reviewed-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Reviewed-by: Changchun Ouyang <changchun.ouyang@intel.com>
Reviewed-by: Huawei Xie <huawei.xie@intel.com>
[Thomas: fix typo]
2014-08-25 16:07:50 +02:00

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/*-
* 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 <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_cycles.h>
#include <rte_interrupts.h>
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_pci.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_atomic.h>
#include <rte_malloc.h>
#include <rte_dev.h>
#include "i40e_logs.h"
#include "i40e/i40e_prototype.h"
#include "i40e/i40e_adminq_cmd.h"
#include "i40e/i40e_type.h"
#include "i40e_rxtx.h"
#include "i40e_ethdev.h"
#include "i40e_pf.h"
#define I40EVF_VSI_DEFAULT_MSIX_INTR 1
/* busy wait delay in msec */
#define I40EVF_BUSY_WAIT_DELAY 10
#define I40EVF_BUSY_WAIT_COUNT 50
#define MAX_RESET_WAIT_CNT 20
struct i40evf_arq_msg_info {
enum i40e_virtchnl_ops ops;
enum i40e_status_code result;
uint16_t msg_len;
uint8_t *msg;
};
struct vf_cmd_info {
enum i40e_virtchnl_ops ops;
uint8_t *in_args;
uint32_t in_args_size;
uint8_t *out_buffer;
/* Input & output type. pass in buffer size and pass out
* actual return result
*/
uint32_t out_size;
};
enum i40evf_aq_result {
I40EVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
I40EVF_MSG_NON, /* Read nothing from admin queue */
I40EVF_MSG_SYS, /* Read system msg from admin queue */
I40EVF_MSG_CMD, /* Read async command result */
};
/* A share buffer to store the command result from PF driver */
static uint8_t cmd_result_buffer[I40E_AQ_BUF_SZ];
static int i40evf_dev_configure(struct rte_eth_dev *dev);
static int i40evf_dev_start(struct rte_eth_dev *dev);
static void i40evf_dev_stop(struct rte_eth_dev *dev);
static void i40evf_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int i40evf_dev_link_update(struct rte_eth_dev *dev,
__rte_unused int wait_to_complete);
static void i40evf_dev_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats);
static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
uint16_t vlan_id, int on);
static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
static int i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid,
int on);
static void i40evf_dev_close(struct rte_eth_dev *dev);
static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
static int i40evf_get_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link);
static int i40evf_init_vlan(struct rte_eth_dev *dev);
static int i40evf_dev_rx_queue_start(struct rte_eth_dev *, uint16_t);
static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *, uint16_t);
static int i40evf_dev_tx_queue_start(struct rte_eth_dev *, uint16_t);
static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *, uint16_t);
static struct eth_dev_ops i40evf_eth_dev_ops = {
.dev_configure = i40evf_dev_configure,
.dev_start = i40evf_dev_start,
.dev_stop = i40evf_dev_stop,
.promiscuous_enable = i40evf_dev_promiscuous_enable,
.promiscuous_disable = i40evf_dev_promiscuous_disable,
.allmulticast_enable = i40evf_dev_allmulticast_enable,
.allmulticast_disable = i40evf_dev_allmulticast_disable,
.link_update = i40evf_dev_link_update,
.stats_get = i40evf_dev_stats_get,
.dev_close = i40evf_dev_close,
.dev_infos_get = i40evf_dev_info_get,
.vlan_filter_set = i40evf_vlan_filter_set,
.vlan_offload_set = i40evf_vlan_offload_set,
.vlan_pvid_set = i40evf_vlan_pvid_set,
.rx_queue_start = i40evf_dev_rx_queue_start,
.rx_queue_stop = i40evf_dev_rx_queue_stop,
.tx_queue_start = i40evf_dev_tx_queue_start,
.tx_queue_stop = i40evf_dev_tx_queue_stop,
.rx_queue_setup = i40e_dev_rx_queue_setup,
.rx_queue_release = i40e_dev_rx_queue_release,
.tx_queue_setup = i40e_dev_tx_queue_setup,
.tx_queue_release = i40e_dev_tx_queue_release,
};
static int
i40evf_set_mac_type(struct i40e_hw *hw)
{
int status = I40E_ERR_DEVICE_NOT_SUPPORTED;
if (hw->vendor_id == I40E_INTEL_VENDOR_ID) {
switch (hw->device_id) {
case I40E_DEV_ID_VF:
case I40E_DEV_ID_VF_HV:
hw->mac.type = I40E_MAC_VF;
status = I40E_SUCCESS;
break;
default:
;
}
}
return status;
}
/*
* Parse admin queue message.
*
* return value:
* < 0: meet error
* 0: read sys msg
* > 0: read cmd result
*/
static enum i40evf_aq_result
i40evf_parse_pfmsg(struct i40e_vf *vf,
struct i40e_arq_event_info *event,
struct i40evf_arq_msg_info *data)
{
enum i40e_virtchnl_ops opcode = (enum i40e_virtchnl_ops)\
rte_le_to_cpu_32(event->desc.cookie_high);
enum i40e_status_code retval = (enum i40e_status_code)\
rte_le_to_cpu_32(event->desc.cookie_low);
enum i40evf_aq_result ret = I40EVF_MSG_CMD;
/* pf sys event */
if (opcode == I40E_VIRTCHNL_OP_EVENT) {
struct i40e_virtchnl_pf_event *vpe =
(struct i40e_virtchnl_pf_event *)event->msg_buf;
/* Initialize ret to sys event */
ret = I40EVF_MSG_SYS;
switch (vpe->event) {
case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
vf->link_up =
vpe->event_data.link_event.link_status;
vf->pend_msg |= PFMSG_LINK_CHANGE;
PMD_DRV_LOG(INFO, "Link status update:%s\n",
vf->link_up ? "up" : "down");
break;
case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
vf->vf_reset = true;
vf->pend_msg |= PFMSG_RESET_IMPENDING;
PMD_DRV_LOG(INFO, "vf is reseting\n");
break;
case I40E_VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
vf->dev_closed = true;
vf->pend_msg |= PFMSG_DRIVER_CLOSE;
PMD_DRV_LOG(INFO, "PF driver closed\n");
break;
default:
PMD_DRV_LOG(ERR,
"%s: Unknown event %d from pf\n",
__func__, vpe->event);
}
} else {
/* async reply msg on command issued by vf previously */
ret = I40EVF_MSG_CMD;
/* Actual buffer length read from PF */
data->msg_len = event->msg_size;
}
/* fill the ops and result to notify VF */
data->result = retval;
data->ops = opcode;
return ret;
}
/*
* Read data in admin queue to get msg from pf driver
*/
static enum i40evf_aq_result
i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_arq_event_info event;
int ret;
enum i40evf_aq_result result = I40EVF_MSG_NON;
event.msg_size = data->msg_len;
event.msg_buf = data->msg;
ret = i40e_clean_arq_element(hw, &event, NULL);
/* Can't read any msg from adminQ */
if (ret) {
if (ret == I40E_ERR_ADMIN_QUEUE_NO_WORK)
result = I40EVF_MSG_NON;
else
result = I40EVF_MSG_ERR;
return result;
}
/* Parse the event */
result = i40evf_parse_pfmsg(vf, &event, data);
return result;
}
/*
* Polling read until command result return from pf driver or meet error.
*/
static int
i40evf_wait_cmd_done(struct rte_eth_dev *dev,
struct i40evf_arq_msg_info *data)
{
int i = 0;
enum i40evf_aq_result ret;
#define MAX_TRY_TIMES 10
#define ASQ_DELAY_MS 50
do {
/* Delay some time first */
rte_delay_ms(ASQ_DELAY_MS);
ret = i40evf_read_pfmsg(dev, data);
if (ret == I40EVF_MSG_CMD)
return 0;
else if (ret == I40EVF_MSG_ERR)
return -1;
/* If don't read msg or read sys event, continue */
} while(i++ < MAX_TRY_TIMES);
return -1;
}
/**
* clear current command. Only call in case execute
* _atomic_set_cmd successfully.
*/
static inline void
_clear_cmd(struct i40e_vf *vf)
{
rte_wmb();
vf->pend_cmd = I40E_VIRTCHNL_OP_UNKNOWN;
}
/*
* Check there is pending cmd in execution. If none, set new command.
*/
static inline int
_atomic_set_cmd(struct i40e_vf *vf, enum i40e_virtchnl_ops ops)
{
int ret = rte_atomic32_cmpset(&vf->pend_cmd,
I40E_VIRTCHNL_OP_UNKNOWN, ops);
if (!ret)
PMD_DRV_LOG(ERR, "There is incomplete cmd %d\n", vf->pend_cmd);
return !ret;
}
static int
i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err = -1;
struct i40evf_arq_msg_info info;
if (_atomic_set_cmd(vf, args->ops))
return -1;
info.msg = args->out_buffer;
info.msg_len = args->out_size;
info.ops = I40E_VIRTCHNL_OP_UNKNOWN;
info.result = I40E_SUCCESS;
err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
args->in_args, args->in_args_size, NULL);
if (err) {
PMD_DRV_LOG(ERR, "fail to send cmd %d\n", args->ops);
return err;
}
err = i40evf_wait_cmd_done(dev, &info);
/* read message and it's expected one */
if (!err && args->ops == info.ops)
_clear_cmd(vf);
else if (err)
PMD_DRV_LOG(ERR, "Failed to read message from AdminQ\n");
else if (args->ops != info.ops)
PMD_DRV_LOG(ERR, "command mismatch, expect %u, get %u\n",
args->ops, info.ops);
return (err | info.result);
}
/*
* Check API version with sync wait until version read or fail from admin queue
*/
static int
i40evf_check_api_version(struct rte_eth_dev *dev)
{
struct i40e_virtchnl_version_info version, *pver;
int err;
struct vf_cmd_info args;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
version.major = I40E_VIRTCHNL_VERSION_MAJOR;
version.minor = I40E_VIRTCHNL_VERSION_MINOR;
args.ops = I40E_VIRTCHNL_OP_VERSION;
args.in_args = (uint8_t *)&version;
args.in_args_size = sizeof(version);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err) {
PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION\n");
return err;
}
pver = (struct i40e_virtchnl_version_info *)args.out_buffer;
/* We are talking with DPDK host */
if (pver->major == I40E_DPDK_VERSION_MAJOR) {
vf->host_is_dpdk = TRUE;
PMD_DRV_LOG(INFO, "Detect PF host is DPDK app\n");
}
/* It's linux host driver */
else if ((pver->major != version.major) ||
(pver->minor != version.minor)) {
PMD_INIT_LOG(ERR, "pf/vf API version mismatch. "
"(%u.%u)-(%u.%u)\n", pver->major, pver->minor,
version.major, version.minor);
return -1;
}
return 0;
}
static int
i40evf_get_vf_resource(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err;
struct vf_cmd_info args;
uint32_t len;
args.ops = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
args.in_args = NULL;
args.in_args_size = 0;
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err) {
PMD_DRV_LOG(ERR, "fail to execute command "
"OP_GET_VF_RESOURCE\n");
return err;
}
len = sizeof(struct i40e_virtchnl_vf_resource) +
I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource);
(void)rte_memcpy(vf->vf_res, args.out_buffer,
RTE_MIN(args.out_size, len));
i40e_vf_parse_hw_config(hw, vf->vf_res);
return 0;
}
static int
i40evf_config_promisc(struct rte_eth_dev *dev,
bool enable_unicast,
bool enable_multicast)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err;
struct vf_cmd_info args;
struct i40e_virtchnl_promisc_info promisc;
promisc.flags = 0;
promisc.vsi_id = vf->vsi_res->vsi_id;
if (enable_unicast)
promisc.flags |= I40E_FLAG_VF_UNICAST_PROMISC;
if (enable_multicast)
promisc.flags |= I40E_FLAG_VF_MULTICAST_PROMISC;
args.ops = I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
args.in_args = (uint8_t *)&promisc;
args.in_args_size = sizeof(promisc);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command "
"CONFIG_PROMISCUOUS_MODE\n");
return err;
}
/* Configure vlan and double vlan offload. Use flag to specify which part to configure */
static int
i40evf_config_vlan_offload(struct rte_eth_dev *dev,
bool enable_vlan_strip)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err;
struct vf_cmd_info args;
struct i40e_virtchnl_vlan_offload_info offload;
offload.vsi_id = vf->vsi_res->vsi_id;
offload.enable_vlan_strip = enable_vlan_strip;
args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD;
args.in_args = (uint8_t *)&offload;
args.in_args_size = sizeof(offload);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_OFFLOAD\n");
return err;
}
static int
i40evf_config_vlan_pvid(struct rte_eth_dev *dev,
struct i40e_vsi_vlan_pvid_info *info)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err;
struct vf_cmd_info args;
struct i40e_virtchnl_pvid_info tpid_info;
if (dev == NULL || info == NULL) {
PMD_DRV_LOG(ERR, "invalid parameters\n");
return I40E_ERR_PARAM;
}
memset(&tpid_info, 0, sizeof(tpid_info));
tpid_info.vsi_id = vf->vsi_res->vsi_id;
(void)rte_memcpy(&tpid_info.info, info, sizeof(*info));
args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_PVID;
args.in_args = (uint8_t *)&tpid_info;
args.in_args_size = sizeof(tpid_info);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_PVID\n");
return err;
}
static int
i40evf_configure_queues(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_vsi_queue_config_info *queue_info;
struct i40e_virtchnl_queue_pair_info *queue_cfg;
struct i40e_rx_queue **rxq =
(struct i40e_rx_queue **)dev->data->rx_queues;
struct i40e_tx_queue **txq =
(struct i40e_tx_queue **)dev->data->tx_queues;
int i, len, nb_qpairs, num_rxq, num_txq;
int err;
struct vf_cmd_info args;
struct rte_pktmbuf_pool_private *mbp_priv;
nb_qpairs = vf->num_queue_pairs;
len = sizeof(*queue_info) + sizeof(*queue_cfg) * nb_qpairs;
queue_info = rte_zmalloc("queue_info", len, 0);
if (queue_info == NULL) {
PMD_INIT_LOG(ERR, "failed alloc memory for queue_info\n");
return -1;
}
queue_info->vsi_id = vf->vsi_res->vsi_id;
queue_info->num_queue_pairs = nb_qpairs;
queue_cfg = queue_info->qpair;
num_rxq = dev->data->nb_rx_queues;
num_txq = dev->data->nb_tx_queues;
/*
* PF host driver required to configure queues in pairs, which means
* rxq_num should equals to txq_num. The actual usage won't always
* work that way. The solution is fills 0 with HW ring option in case
* they are not equal.
*/
for (i = 0; i < nb_qpairs; i++) {
/*Fill TX info */
queue_cfg->txq.vsi_id = queue_info->vsi_id;
queue_cfg->txq.queue_id = i;
if (i < num_txq) {
queue_cfg->txq.ring_len = txq[i]->nb_tx_desc;
queue_cfg->txq.dma_ring_addr = txq[i]->tx_ring_phys_addr;
} else {
queue_cfg->txq.ring_len = 0;
queue_cfg->txq.dma_ring_addr = 0;
}
/* Fill RX info */
queue_cfg->rxq.vsi_id = queue_info->vsi_id;
queue_cfg->rxq.queue_id = i;
queue_cfg->rxq.max_pkt_size = vf->max_pkt_len;
if (i < num_rxq) {
mbp_priv = rte_mempool_get_priv(rxq[i]->mp);
queue_cfg->rxq.databuffer_size = mbp_priv->mbuf_data_room_size -
RTE_PKTMBUF_HEADROOM;;
queue_cfg->rxq.ring_len = rxq[i]->nb_rx_desc;
queue_cfg->rxq.dma_ring_addr = rxq[i]->rx_ring_phys_addr;;
} else {
queue_cfg->rxq.ring_len = 0;
queue_cfg->rxq.dma_ring_addr = 0;
queue_cfg->rxq.databuffer_size = 0;
}
queue_cfg++;
}
args.ops = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
args.in_args = (u8 *)queue_info;
args.in_args_size = len;
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command "
"OP_CONFIG_VSI_QUEUES\n");
rte_free(queue_info);
return err;
}
static int
i40evf_config_irq_map(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct vf_cmd_info args;
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_irq_map_info) + \
sizeof(struct i40e_virtchnl_vector_map)];
struct i40e_virtchnl_irq_map_info *map_info;
int i, err;
map_info = (struct i40e_virtchnl_irq_map_info *)cmd_buffer;
map_info->num_vectors = 1;
map_info->vecmap[0].rxitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2;
map_info->vecmap[0].txitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2;
map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
/* Alway use default dynamic MSIX interrupt */
map_info->vecmap[0].vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
/* Don't map any tx queue */
map_info->vecmap[0].txq_map = 0;
map_info->vecmap[0].rxq_map = 0;
for (i = 0; i < dev->data->nb_rx_queues; i++)
map_info->vecmap[0].rxq_map |= 1 << i;
args.ops = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
args.in_args = (u8 *)cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES\n");
return err;
}
static int
i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
bool on)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_queue_select queue_select;
int err;
struct vf_cmd_info args;
memset(&queue_select, 0, sizeof(queue_select));
queue_select.vsi_id = vf->vsi_res->vsi_id;
if (isrx)
queue_select.rx_queues |= 1 << qid;
else
queue_select.tx_queues |= 1 << qid;
if (on)
args.ops = I40E_VIRTCHNL_OP_ENABLE_QUEUES;
else
args.ops = I40E_VIRTCHNL_OP_DISABLE_QUEUES;
args.in_args = (u8 *)&queue_select;
args.in_args_size = sizeof(queue_select);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to switch %s %u %s\n", isrx ? "RX" : "TX",
qid, on ? "on" : "off");
return err;
}
static int
i40evf_start_queues(struct rte_eth_dev *dev)
{
struct rte_eth_dev_data *dev_data = dev->data;
int i;
struct i40e_rx_queue *rxq;
struct i40e_tx_queue *txq;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq = dev_data->rx_queues[i];
if (rxq->start_rx_per_q)
continue;
if (i40evf_dev_rx_queue_start(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u\n",
i);
return -1;
}
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
txq = dev_data->tx_queues[i];
if (txq->start_tx_per_q)
continue;
if (i40evf_dev_tx_queue_start(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u\n",
i);
return -1;
}
}
return 0;
}
static int
i40evf_stop_queues(struct rte_eth_dev *dev)
{
int i;
/* Stop TX queues first */
for (i = 0; i < dev->data->nb_tx_queues; i++) {
if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u\n",
i);
return -1;
}
}
/* Then stop RX queues */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u\n",
i);
return -1;
}
}
return 0;
}
static int
i40evf_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
{
struct i40e_virtchnl_ether_addr_list *list;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \
sizeof(struct i40e_virtchnl_ether_addr)];
int err;
struct vf_cmd_info args;
if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x\n",
addr->addr_bytes[0], addr->addr_bytes[1],
addr->addr_bytes[2], addr->addr_bytes[3],
addr->addr_bytes[4], addr->addr_bytes[5]);
return -1;
}
list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer;
list->vsi_id = vf->vsi_res->vsi_id;
list->num_elements = 1;
(void)rte_memcpy(list->list[0].addr, addr->addr_bytes,
sizeof(addr->addr_bytes));
args.ops = I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS;
args.in_args = cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command "
"OP_ADD_ETHER_ADDRESS\n");
return err;
}
static int
i40evf_del_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
{
struct i40e_virtchnl_ether_addr_list *list;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \
sizeof(struct i40e_virtchnl_ether_addr)];
int err;
struct vf_cmd_info args;
if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x\n",
addr->addr_bytes[0], addr->addr_bytes[1],
addr->addr_bytes[2], addr->addr_bytes[3],
addr->addr_bytes[4], addr->addr_bytes[5]);
return -1;
}
list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer;
list->vsi_id = vf->vsi_res->vsi_id;
list->num_elements = 1;
(void)rte_memcpy(list->list[0].addr, addr->addr_bytes,
sizeof(addr->addr_bytes));
args.ops = I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS;
args.in_args = cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command "
"OP_DEL_ETHER_ADDRESS\n");
return err;
}
static int
i40evf_get_statics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_queue_select q_stats;
struct i40e_eth_stats *pstats;
int err;
struct vf_cmd_info args;
memset(&q_stats, 0, sizeof(q_stats));
q_stats.vsi_id = vf->vsi_res->vsi_id;
args.ops = I40E_VIRTCHNL_OP_GET_STATS;
args.in_args = (u8 *)&q_stats;
args.in_args_size = sizeof(q_stats);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err) {
PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS\n");
return err;
}
pstats = (struct i40e_eth_stats *)args.out_buffer;
stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
pstats->rx_broadcast;
stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
pstats->tx_unicast;
stats->ierrors = pstats->rx_discards;
stats->oerrors = pstats->tx_errors + pstats->tx_discards;
stats->ibytes = pstats->rx_bytes;
stats->obytes = pstats->tx_bytes;
return 0;
}
static int
i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_vlan_filter_list *vlan_list;
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) +
sizeof(uint16_t)];
int err;
struct vf_cmd_info args;
vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer;
vlan_list->vsi_id = vf->vsi_res->vsi_id;
vlan_list->num_elements = 1;
vlan_list->vlan_id[0] = vlanid;
args.ops = I40E_VIRTCHNL_OP_ADD_VLAN;
args.in_args = (u8 *)&cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN\n");
return err;
}
static int
i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_vlan_filter_list *vlan_list;
uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) +
sizeof(uint16_t)];
int err;
struct vf_cmd_info args;
vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer;
vlan_list->vsi_id = vf->vsi_res->vsi_id;
vlan_list->num_elements = 1;
vlan_list->vlan_id[0] = vlanid;
args.ops = I40E_VIRTCHNL_OP_DEL_VLAN;
args.in_args = (u8 *)&cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN\n");
return err;
}
static int
i40evf_get_link_status(struct rte_eth_dev *dev, struct rte_eth_link *link)
{
int err;
struct vf_cmd_info args;
struct rte_eth_link *new_link;
args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_GET_LINK_STAT;
args.in_args = NULL;
args.in_args_size = 0;
args.out_buffer = cmd_result_buffer;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err) {
PMD_DRV_LOG(ERR, "fail to execute command OP_GET_LINK_STAT\n");
return err;
}
new_link = (struct rte_eth_link *)args.out_buffer;
(void)rte_memcpy(link, new_link, sizeof(*link));
return 0;
}
static struct rte_pci_id pci_id_i40evf_map[] = {
#define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
#include "rte_pci_dev_ids.h"
{ .vendor_id = 0, /* sentinel */ },
};
static inline int
i40evf_dev_atomic_write_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = &(dev->data->dev_link);
struct rte_eth_link *src = link;
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
static int
i40evf_reset_vf(struct i40e_hw *hw)
{
int i, reset;
if (i40e_vf_reset(hw) != I40E_SUCCESS) {
PMD_INIT_LOG(ERR, "Reset VF NIC failed\n");
return -1;
}
/**
* After issuing vf reset command to pf, pf won't necessarily
* reset vf, it depends on what state it exactly is. If it's not
* initialized yet, it won't have vf reset since it's in a certain
* state. If not, it will try to reset. Even vf is reset, pf will
* set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
* it to ACTIVE. In this duration, vf may not catch the moment that
* COMPLETE is set. So, for vf, we'll try to wait a long time.
*/
rte_delay_ms(200);
for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
reset = rd32(hw, I40E_VFGEN_RSTAT) &
I40E_VFGEN_RSTAT_VFR_STATE_MASK;
reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
if (I40E_VFR_COMPLETED == reset || I40E_VFR_VFACTIVE == reset)
break;
else
rte_delay_ms(50);
}
if (i >= MAX_RESET_WAIT_CNT) {
PMD_INIT_LOG(ERR, "Reset VF NIC failed\n");
return -1;
}
return 0;
}
static int
i40evf_init_vf(struct rte_eth_dev *dev)
{
int i, err, bufsz;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
err = i40evf_set_mac_type(hw);
if (err) {
PMD_INIT_LOG(ERR, "set_mac_type failed: %d\n", err);
goto err;
}
i40e_init_adminq_parameter(hw);
err = i40e_init_adminq(hw);
if (err) {
PMD_INIT_LOG(ERR, "init_adminq failed: %d\n", err);
goto err;
}
/* Reset VF and wait until it's complete */
if (i40evf_reset_vf(hw)) {
PMD_INIT_LOG(ERR, "reset NIC failed\n");
goto err_aq;
}
/* VF reset, shutdown admin queue and initialize again */
if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed\n");
return -1;
}
i40e_init_adminq_parameter(hw);
if (i40e_init_adminq(hw) != I40E_SUCCESS) {
PMD_INIT_LOG(ERR, "init_adminq failed\n");
return -1;
}
if (i40evf_check_api_version(dev) != 0) {
PMD_INIT_LOG(ERR, "check_api version failed\n");
goto err_aq;
}
bufsz = sizeof(struct i40e_virtchnl_vf_resource) +
(I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource));
vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
if (!vf->vf_res) {
PMD_INIT_LOG(ERR, "unable to allocate vf_res memory\n");
goto err_aq;
}
if (i40evf_get_vf_resource(dev) != 0) {
PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed\n");
goto err_alloc;
}
/* got VF config message back from PF, now we can parse it */
for (i = 0; i < vf->vf_res->num_vsis; i++) {
if (vf->vf_res->vsi_res[i].vsi_type == I40E_VSI_SRIOV)
vf->vsi_res = &vf->vf_res->vsi_res[i];
}
if (!vf->vsi_res) {
PMD_INIT_LOG(ERR, "no LAN VSI found\n");
goto err_alloc;
}
vf->vsi.vsi_id = vf->vsi_res->vsi_id;
vf->vsi.type = vf->vsi_res->vsi_type;
vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
/* check mac addr, if it's not valid, genrate one */
if (I40E_SUCCESS != i40e_validate_mac_addr(\
vf->vsi_res->default_mac_addr))
eth_random_addr(vf->vsi_res->default_mac_addr);
ether_addr_copy((struct ether_addr *)vf->vsi_res->default_mac_addr,
(struct ether_addr *)hw->mac.addr);
return 0;
err_alloc:
rte_free(vf->vf_res);
err_aq:
i40e_shutdown_adminq(hw); /* ignore error */
err:
return -1;
}
static int
i40evf_dev_init(__rte_unused struct eth_driver *eth_drv,
struct rte_eth_dev *eth_dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(\
eth_dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
/* assign ops func pointer */
eth_dev->dev_ops = &i40evf_eth_dev_ops;
eth_dev->rx_pkt_burst = &i40e_recv_pkts;
eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
/*
* For secondary processes, we don't initialise any further as primary
* has already done this work.
*/
if (rte_eal_process_type() != RTE_PROC_PRIMARY){
if (eth_dev->data->scattered_rx)
eth_dev->rx_pkt_burst = i40e_recv_scattered_pkts;
return 0;
}
hw->vendor_id = eth_dev->pci_dev->id.vendor_id;
hw->device_id = eth_dev->pci_dev->id.device_id;
hw->subsystem_vendor_id = eth_dev->pci_dev->id.subsystem_vendor_id;
hw->subsystem_device_id = eth_dev->pci_dev->id.subsystem_device_id;
hw->bus.device = eth_dev->pci_dev->addr.devid;
hw->bus.func = eth_dev->pci_dev->addr.function;
hw->hw_addr = (void *)eth_dev->pci_dev->mem_resource[0].addr;
if(i40evf_init_vf(eth_dev) != 0) {
PMD_INIT_LOG(ERR, "Init vf failed\n");
return -1;
}
/* copy mac addr */
eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
ETHER_ADDR_LEN, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
"store MAC addresses", ETHER_ADDR_LEN);
return -ENOMEM;
}
ether_addr_copy((struct ether_addr *)hw->mac.addr,
(struct ether_addr *)eth_dev->data->mac_addrs);
return 0;
}
/*
* virtual function driver struct
*/
static struct eth_driver rte_i40evf_pmd = {
{
.name = "rte_i40evf_pmd",
.id_table = pci_id_i40evf_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
},
.eth_dev_init = i40evf_dev_init,
.dev_private_size = sizeof(struct i40e_vf),
};
/*
* VF Driver initialization routine.
* Invoked one at EAL init time.
* Register itself as the [Virtual Poll Mode] Driver of PCI Fortville devices.
*/
static int
rte_i40evf_pmd_init(const char *name __rte_unused,
const char *params __rte_unused)
{
DEBUGFUNC("rte_i40evf_pmd_init");
rte_eth_driver_register(&rte_i40evf_pmd);
return 0;
}
static struct rte_driver rte_i40evf_driver = {
.type = PMD_PDEV,
.init = rte_i40evf_pmd_init,
};
PMD_REGISTER_DRIVER(rte_i40evf_driver);
static int
i40evf_dev_configure(struct rte_eth_dev *dev)
{
return i40evf_init_vlan(dev);
}
static int
i40evf_init_vlan(struct rte_eth_dev *dev)
{
struct rte_eth_dev_data *data = dev->data;
int ret;
/* Apply vlan offload setting */
i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
/* Apply pvid setting */
ret = i40evf_vlan_pvid_set(dev, data->dev_conf.txmode.pvid,
data->dev_conf.txmode.hw_vlan_insert_pvid);
return ret;
}
static void
i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
{
bool enable_vlan_strip = 0;
struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
/* Linux pf host doesn't support vlan offload yet */
if (vf->host_is_dpdk) {
/* Vlan stripping setting */
if (mask & ETH_VLAN_STRIP_MASK) {
/* Enable or disable VLAN stripping */
if (dev_conf->rxmode.hw_vlan_strip)
enable_vlan_strip = 1;
else
enable_vlan_strip = 0;
i40evf_config_vlan_offload(dev, enable_vlan_strip);
}
}
}
static int
i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
{
struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
struct i40e_vsi_vlan_pvid_info info;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
memset(&info, 0, sizeof(info));
info.on = on;
/* Linux pf host don't support vlan offload yet */
if (vf->host_is_dpdk) {
if (info.on)
info.config.pvid = pvid;
else {
info.config.reject.tagged =
dev_conf->txmode.hw_vlan_reject_tagged;
info.config.reject.untagged =
dev_conf->txmode.hw_vlan_reject_untagged;
}
return i40evf_config_vlan_pvid(dev, &info);
}
return 0;
}
static int
i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
struct i40e_rx_queue *rxq;
int err = 0;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
if (rx_queue_id < dev->data->nb_rx_queues) {
rxq = dev->data->rx_queues[rx_queue_id];
err = i40e_alloc_rx_queue_mbufs(rxq);
if (err) {
PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf\n");
return err;
}
rte_wmb();
/* Init the RX tail register. */
I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
I40EVF_WRITE_FLUSH(hw);
/* Ready to switch the queue on */
err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
if (err)
PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on\n",
rx_queue_id);
}
return err;
}
static int
i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
struct i40e_rx_queue *rxq;
int err;
if (rx_queue_id < dev->data->nb_rx_queues) {
rxq = dev->data->rx_queues[rx_queue_id];
err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
if (err) {
PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off\n",
rx_queue_id);
return err;
}
i40e_rx_queue_release_mbufs(rxq);
i40e_reset_rx_queue(rxq);
}
return 0;
}
static int
i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
{
int err = 0;
PMD_INIT_FUNC_TRACE();
if (tx_queue_id < dev->data->nb_tx_queues) {
/* Ready to switch the queue on */
err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
if (err)
PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on\n",
tx_queue_id);
}
return err;
}
static int
i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
{
struct i40e_tx_queue *txq;
int err;
if (tx_queue_id < dev->data->nb_tx_queues) {
txq = dev->data->tx_queues[tx_queue_id];
err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
if (err) {
PMD_DRV_LOG(ERR, "Failed to switch TX queue %u of\n",
tx_queue_id);
return err;
}
i40e_tx_queue_release_mbufs(txq);
i40e_reset_tx_queue(txq);
}
return 0;
}
static int
i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
int ret;
if (on)
ret = i40evf_add_vlan(dev, vlan_id);
else
ret = i40evf_del_vlan(dev,vlan_id);
return ret;
}
static int
i40evf_rx_init(struct rte_eth_dev *dev)
{
uint16_t i;
struct i40e_rx_queue **rxq =
(struct i40e_rx_queue **)dev->data->rx_queues;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
for (i = 0; i < dev->data->nb_rx_queues; i++) {
rxq[i]->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(i);
I40E_PCI_REG_WRITE(rxq[i]->qrx_tail, rxq[i]->nb_rx_desc - 1);
}
/* Flush the operation to write registers */
I40EVF_WRITE_FLUSH(hw);
return 0;
}
static void
i40evf_tx_init(struct rte_eth_dev *dev)
{
uint16_t i;
struct i40e_tx_queue **txq =
(struct i40e_tx_queue **)dev->data->tx_queues;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
for (i = 0; i < dev->data->nb_tx_queues; i++)
txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
}
static inline void
i40evf_enable_queues_intr(struct i40e_hw *hw)
{
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1),
I40E_VFINT_DYN_CTLN1_INTENA_MASK |
I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
}
static inline void
i40evf_disable_queues_intr(struct i40e_hw *hw)
{
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1),
0);
}
static int
i40evf_dev_start(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct ether_addr mac_addr;
PMD_DRV_LOG(DEBUG, "i40evf_dev_start");
vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
if (vf->max_pkt_len <= ETHER_MAX_LEN ||
vf->max_pkt_len > I40E_FRAME_SIZE_MAX) {
PMD_DRV_LOG(ERR, "maximum packet length must "
"be larger than %u and smaller than %u,"
"as jumbo frame is enabled\n",
(uint32_t)ETHER_MAX_LEN,
(uint32_t)I40E_FRAME_SIZE_MAX);
return I40E_ERR_CONFIG;
}
} else {
if (vf->max_pkt_len < ETHER_MIN_LEN ||
vf->max_pkt_len > ETHER_MAX_LEN) {
PMD_DRV_LOG(ERR, "maximum packet length must be "
"larger than %u and smaller than %u, "
"as jumbo frame is disabled\n",
(uint32_t)ETHER_MIN_LEN,
(uint32_t)ETHER_MAX_LEN);
return I40E_ERR_CONFIG;
}
}
vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
if (i40evf_rx_init(dev) != 0){
PMD_DRV_LOG(ERR, "failed to do RX init\n");
return -1;
}
i40evf_tx_init(dev);
if (i40evf_configure_queues(dev) != 0) {
PMD_DRV_LOG(ERR, "configure queues failed\n");
goto err_queue;
}
if (i40evf_config_irq_map(dev)) {
PMD_DRV_LOG(ERR, "config_irq_map failed\n");
goto err_queue;
}
/* Set mac addr */
(void)rte_memcpy(mac_addr.addr_bytes, hw->mac.addr,
sizeof(mac_addr.addr_bytes));
if (i40evf_add_mac_addr(dev, &mac_addr)) {
PMD_DRV_LOG(ERR, "Failed to add mac addr\n");
goto err_queue;
}
if (i40evf_start_queues(dev) != 0) {
PMD_DRV_LOG(ERR, "enable queues failed\n");
goto err_mac;
}
i40evf_enable_queues_intr(hw);
return 0;
err_mac:
i40evf_del_mac_addr(dev, &mac_addr);
err_queue:
return -1;
}
static void
i40evf_dev_stop(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
PMD_INIT_FUNC_TRACE();
i40evf_disable_queues_intr(hw);
i40evf_stop_queues(dev);
}
static int
i40evf_dev_link_update(struct rte_eth_dev *dev,
__rte_unused int wait_to_complete)
{
struct rte_eth_link new_link;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
/*
* DPDK pf host provide interfacet to acquire link status
* while Linux driver does not
*/
if (vf->host_is_dpdk)
i40evf_get_link_status(dev, &new_link);
else {
/* Always assume it's up, for Linux driver PF host */
new_link.link_duplex = ETH_LINK_AUTONEG_DUPLEX;
new_link.link_speed = ETH_LINK_SPEED_10000;
new_link.link_status = 1;
}
i40evf_dev_atomic_write_link_status(dev, &new_link);
return 0;
}
static void
i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int ret;
/* If enabled, just return */
if (vf->promisc_unicast_enabled)
return;
ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
if (ret == 0)
vf->promisc_unicast_enabled = TRUE;
}
static void
i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int ret;
/* If disabled, just return */
if (!vf->promisc_unicast_enabled)
return;
ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
if (ret == 0)
vf->promisc_unicast_enabled = FALSE;
}
static void
i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int ret;
/* If enabled, just return */
if (vf->promisc_multicast_enabled)
return;
ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
if (ret == 0)
vf->promisc_multicast_enabled = TRUE;
}
static void
i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int ret;
/* If enabled, just return */
if (!vf->promisc_multicast_enabled)
return;
ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
if (ret == 0)
vf->promisc_multicast_enabled = FALSE;
}
static void
i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
memset(dev_info, 0, sizeof(*dev_info));
dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
}
static void
i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
memset(stats, 0, sizeof(*stats));
if (i40evf_get_statics(dev, stats))
PMD_DRV_LOG(ERR, "Get statics failed\n");
}
static void
i40evf_dev_close(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
i40evf_dev_stop(dev);
i40evf_reset_vf(hw);
i40e_shutdown_adminq(hw);
}
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