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numam-dpdk/drivers/net/i40e/i40e_ethdev_vf.c
Olivier Matz 68a43d1bb0 net/i40e: implement descriptor status API 
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
2017-03-30 15:27:42 +02:00

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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2016 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_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 "base/i40e_prototype.h"
#include "base/i40e_adminq_cmd.h"
#include "base/i40e_type.h"
#include "i40e_rxtx.h"
#include "i40e_ethdev.h"
#include "i40e_pf.h"
#define I40EVF_VSI_DEFAULT_MSIX_INTR 1
#define I40EVF_VSI_DEFAULT_MSIX_INTR_LNX 0
/* 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 buf_len;
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 */
};
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_dev_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats, unsigned n);
static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
unsigned limit);
static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
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_init_vlan(struct rte_eth_dev *dev);
static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
static int i40evf_dev_tx_queue_start(struct rte_eth_dev *dev,
uint16_t tx_queue_id);
static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev,
uint16_t tx_queue_id);
static void i40evf_add_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *addr,
uint32_t index,
uint32_t pool);
static void i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
static int i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static int i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size);
static int i40evf_config_rss(struct i40e_vf *vf);
static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf);
static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
static void i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *mac_addr);
static int
i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
static int
i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
static void i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev,
uint8_t *msg,
uint16_t msglen);
/* Default hash key buffer for RSS */
static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
struct rte_i40evf_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
unsigned offset;
};
static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
{"rx_bytes", offsetof(struct i40e_eth_stats, rx_bytes)},
{"rx_unicast_packets", offsetof(struct i40e_eth_stats, rx_unicast)},
{"rx_multicast_packets", offsetof(struct i40e_eth_stats, rx_multicast)},
{"rx_broadcast_packets", offsetof(struct i40e_eth_stats, rx_broadcast)},
{"rx_dropped_packets", offsetof(struct i40e_eth_stats, rx_discards)},
{"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
rx_unknown_protocol)},
{"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
{"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
{"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
{"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
{"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
{"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
};
#define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
sizeof(rte_i40evf_stats_strings[0]))
static const 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,
.xstats_get = i40evf_dev_xstats_get,
.xstats_get_names = i40evf_dev_xstats_get_names,
.xstats_reset = i40evf_dev_xstats_reset,
.dev_close = i40evf_dev_close,
.dev_infos_get = i40evf_dev_info_get,
.dev_supported_ptypes_get = i40e_dev_supported_ptypes_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,
.rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
.rx_descriptor_done = i40e_dev_rx_descriptor_done,
.rx_descriptor_status = i40e_dev_rx_descriptor_status,
.tx_descriptor_status = i40e_dev_tx_descriptor_status,
.tx_queue_setup = i40e_dev_tx_queue_setup,
.tx_queue_release = i40e_dev_tx_queue_release,
.rx_queue_count = i40e_dev_rx_queue_count,
.rxq_info_get = i40e_rxq_info_get,
.txq_info_get = i40e_txq_info_get,
.mac_addr_add = i40evf_add_mac_addr,
.mac_addr_remove = i40evf_del_mac_addr,
.reta_update = i40evf_dev_rss_reta_update,
.reta_query = i40evf_dev_rss_reta_query,
.rss_hash_update = i40evf_dev_rss_hash_update,
.rss_hash_conf_get = i40evf_dev_rss_hash_conf_get,
.mtu_set = i40evf_dev_mtu_set,
.mac_addr_set = i40evf_set_default_mac_addr,
};
/*
* 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;
enum i40e_virtchnl_ops opcode;
enum i40e_status_code retval;
int ret;
enum i40evf_aq_result result = I40EVF_MSG_NON;
event.buf_len = data->buf_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_ERR;
return result;
}
opcode = (enum i40e_virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
retval = (enum i40e_status_code)rte_le_to_cpu_32(event.desc.cookie_low);
/* pf sys event */
if (opcode == I40E_VIRTCHNL_OP_EVENT) {
struct i40e_virtchnl_pf_event *vpe =
(struct i40e_virtchnl_pf_event *)event.msg_buf;
result = I40EVF_MSG_SYS;
switch (vpe->event) {
case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
vf->link_up =
vpe->event_data.link_event.link_status;
vf->link_speed =
vpe->event_data.link_event.link_speed;
vf->pend_msg |= PFMSG_LINK_CHANGE;
PMD_DRV_LOG(INFO, "Link status update:%s",
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");
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");
break;
default:
PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
__func__, vpe->event);
}
} else {
/* async reply msg on command issued by vf previously */
result = I40EVF_MSG_CMD;
/* Actual data length read from PF */
data->msg_len = event.msg_len;
}
data->result = retval;
data->ops = opcode;
return result;
}
/**
* 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", vf->pend_cmd);
return !ret;
}
#define MAX_TRY_TIMES 200
#define ASQ_DELAY_MS 10
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);
struct i40evf_arq_msg_info info;
enum i40evf_aq_result ret;
int err, i = 0;
if (_atomic_set_cmd(vf, args->ops))
return -1;
info.msg = args->out_buffer;
info.buf_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", args->ops);
_clear_cmd(vf);
return err;
}
switch (args->ops) {
case I40E_VIRTCHNL_OP_RESET_VF:
/*no need to process in this function */
err = 0;
break;
case I40E_VIRTCHNL_OP_VERSION:
case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
/* for init adminq commands, need to poll the response */
err = -1;
do {
ret = i40evf_read_pfmsg(dev, &info);
vf->cmd_retval = info.result;
if (ret == I40EVF_MSG_CMD) {
err = 0;
break;
} else if (ret == I40EVF_MSG_ERR)
break;
rte_delay_ms(ASQ_DELAY_MS);
/* If don't read msg or read sys event, continue */
} while (i++ < MAX_TRY_TIMES);
_clear_cmd(vf);
break;
default:
/* for other adminq in running time, waiting the cmd done flag */
err = -1;
do {
if (vf->pend_cmd == I40E_VIRTCHNL_OP_UNKNOWN) {
err = 0;
break;
}
rte_delay_ms(ASQ_DELAY_MS);
/* If don't read msg or read sys event, continue */
} while (i++ < MAX_TRY_TIMES);
break;
}
return err | vf->cmd_retval;
}
/*
* 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 = vf->aq_resp;
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");
return err;
}
pver = (struct i40e_virtchnl_version_info *)args.out_buffer;
vf->version_major = pver->major;
vf->version_minor = pver->minor;
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
PMD_DRV_LOG(INFO, "Peer is DPDK PF host");
else if ((vf->version_major == I40E_VIRTCHNL_VERSION_MAJOR) &&
(vf->version_minor <= I40E_VIRTCHNL_VERSION_MINOR))
PMD_DRV_LOG(INFO, "Peer is Linux PF host");
else {
PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
vf->version_major, vf->version_minor,
I40E_VIRTCHNL_VERSION_MAJOR,
I40E_VIRTCHNL_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 caps, len;
args.ops = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
args.out_buffer = vf->aq_resp;
args.out_size = I40E_AQ_BUF_SZ;
if (PF_IS_V11(vf)) {
caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ |
I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
I40E_VIRTCHNL_VF_OFFLOAD_VLAN |
I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING;
args.in_args = (uint8_t *)&caps;
args.in_args_size = sizeof(caps);
} else {
args.in_args = NULL;
args.in_args_size = 0;
}
err = i40evf_execute_vf_cmd(dev, &args);
if (err) {
PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
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 = vf->aq_resp;
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");
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 = vf->aq_resp;
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");
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 (info == NULL) {
PMD_DRV_LOG(ERR, "invalid parameters");
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 = vf->aq_resp;
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");
return err;
}
static void
i40evf_fill_virtchnl_vsi_txq_info(struct i40e_virtchnl_txq_info *txq_info,
uint16_t vsi_id,
uint16_t queue_id,
uint16_t nb_txq,
struct i40e_tx_queue *txq)
{
txq_info->vsi_id = vsi_id;
txq_info->queue_id = queue_id;
if (queue_id < nb_txq) {
txq_info->ring_len = txq->nb_tx_desc;
txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
}
}
static void
i40evf_fill_virtchnl_vsi_rxq_info(struct i40e_virtchnl_rxq_info *rxq_info,
uint16_t vsi_id,
uint16_t queue_id,
uint16_t nb_rxq,
uint32_t max_pkt_size,
struct i40e_rx_queue *rxq)
{
rxq_info->vsi_id = vsi_id;
rxq_info->queue_id = queue_id;
rxq_info->max_pkt_size = max_pkt_size;
if (queue_id < nb_rxq) {
rxq_info->ring_len = rxq->nb_rx_desc;
rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
rxq_info->databuffer_size =
(rte_pktmbuf_data_room_size(rxq->mp) -
RTE_PKTMBUF_HEADROOM);
}
}
/* It configures VSI queues to co-work with Linux PF host */
static int
i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
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;
struct i40e_virtchnl_vsi_queue_config_info *vc_vqci;
struct i40e_virtchnl_queue_pair_info *vc_qpi;
struct vf_cmd_info args;
uint16_t i, nb_qp = vf->num_queue_pairs;
const uint32_t size =
I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
uint8_t buff[size];
int ret;
memset(buff, 0, sizeof(buff));
vc_vqci = (struct i40e_virtchnl_vsi_queue_config_info *)buff;
vc_vqci->vsi_id = vf->vsi_res->vsi_id;
vc_vqci->num_queue_pairs = nb_qp;
for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
vf->max_pkt_len, rxq[i]);
}
memset(&args, 0, sizeof(args));
args.ops = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
args.in_args = (uint8_t *)vc_vqci;
args.in_args_size = size;
args.out_buffer = vf->aq_resp;
args.out_size = I40E_AQ_BUF_SZ;
ret = i40evf_execute_vf_cmd(dev, &args);
if (ret)
PMD_DRV_LOG(ERR, "Failed to execute command of "
"I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES");
return ret;
}
/* It configures VSI queues to co-work with DPDK PF host */
static int
i40evf_configure_vsi_queues_ext(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
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;
struct i40e_virtchnl_vsi_queue_config_ext_info *vc_vqcei;
struct i40e_virtchnl_queue_pair_ext_info *vc_qpei;
struct vf_cmd_info args;
uint16_t i, nb_qp = vf->num_queue_pairs;
const uint32_t size =
I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei, nb_qp);
uint8_t buff[size];
int ret;
memset(buff, 0, sizeof(buff));
vc_vqcei = (struct i40e_virtchnl_vsi_queue_config_ext_info *)buff;
vc_vqcei->vsi_id = vf->vsi_res->vsi_id;
vc_vqcei->num_queue_pairs = nb_qp;
vc_qpei = vc_vqcei->qpair;
for (i = 0; i < nb_qp; i++, vc_qpei++) {
i40evf_fill_virtchnl_vsi_txq_info(&vc_qpei->txq,
vc_vqcei->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpei->rxq,
vc_vqcei->vsi_id, i, dev->data->nb_rx_queues,
vf->max_pkt_len, rxq[i]);
if (i < dev->data->nb_rx_queues)
/*
* It adds extra info for configuring VSI queues, which
* is needed to enable the configurable crc stripping
* in VF.
*/
vc_qpei->rxq_ext.crcstrip =
dev->data->dev_conf.rxmode.hw_strip_crc;
}
memset(&args, 0, sizeof(args));
args.ops =
(enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT;
args.in_args = (uint8_t *)vc_vqcei;
args.in_args_size = size;
args.out_buffer = vf->aq_resp;
args.out_size = I40E_AQ_BUF_SZ;
ret = i40evf_execute_vf_cmd(dev, &args);
if (ret)
PMD_DRV_LOG(ERR, "Failed to execute command of "
"I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT");
return ret;
}
static int
i40evf_configure_queues(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
/* To support DPDK PF host */
return i40evf_configure_vsi_queues_ext(dev);
else
/* To support Linux PF host */
return i40evf_configure_vsi_queues(dev);
}
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;
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
uint32_t vector_id;
int i, err;
if (rte_intr_allow_others(intr_handle)) {
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
else
vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
} else {
vector_id = I40E_MISC_VEC_ID;
}
map_info = (struct i40e_virtchnl_irq_map_info *)cmd_buffer;
map_info->num_vectors = 1;
map_info->vecmap[0].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
/* Alway use default dynamic MSIX interrupt */
map_info->vecmap[0].vector_id = vector_id;
/* 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;
if (rte_intr_dp_is_en(intr_handle))
intr_handle->intr_vec[i] = vector_id;
}
args.ops = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
args.in_args = (u8 *)cmd_buffer;
args.in_args_size = sizeof(cmd_buffer);
args.out_buffer = vf->aq_resp;
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");
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 = vf->aq_resp;
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",
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->rx_deferred_start)
continue;
if (i40evf_dev_rx_queue_start(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
return -1;
}
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
txq = dev_data->tx_queues[i];
if (txq->tx_deferred_start)
continue;
if (i40evf_dev_tx_queue_start(dev, i) != 0) {
PMD_DRV_LOG(ERR, "Fail to start queue %u", 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 stop queue %u", 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 stop queue %u", i);
return -1;
}
}
return 0;
}
static void
i40evf_add_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *addr,
__rte_unused uint32_t index,
__rte_unused uint32_t pool)
{
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",
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;
}
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 = vf->aq_resp;
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");
return;
}
static void
i40evf_del_mac_addr_by_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",
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;
}
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 = vf->aq_resp;
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");
return;
}
static void
i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
{
struct rte_eth_dev_data *data = dev->data;
struct ether_addr *addr;
addr = &data->mac_addrs[index];
i40evf_del_mac_addr_by_addr(dev, addr);
}
static int
i40evf_update_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_virtchnl_queue_select q_stats;
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 = vf->aq_resp;
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");
*pstats = NULL;
return err;
}
*pstats = (struct i40e_eth_stats *)args.out_buffer;
return 0;
}
static int
i40evf_get_statistics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
int ret;
struct i40e_eth_stats *pstats = NULL;
ret = i40evf_update_stats(dev, &pstats);
if (ret != 0)
return 0;
stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
pstats->rx_broadcast;
stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
pstats->tx_unicast;
stats->imissed = pstats->rx_discards;
stats->oerrors = pstats->tx_errors + pstats->tx_discards;
stats->ibytes = pstats->rx_bytes;
stats->obytes = pstats->tx_bytes;
return 0;
}
static void
i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40e_eth_stats *pstats = NULL;
/* read stat values to clear hardware registers */
i40evf_update_stats(dev, &pstats);
/* set stats offset base on current values */
vf->vsi.eth_stats_offset = vf->vsi.eth_stats;
}
static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
__rte_unused unsigned limit)
{
unsigned i;
if (xstats_names != NULL)
for (i = 0; i < I40EVF_NB_XSTATS; i++) {
snprintf(xstats_names[i].name,
sizeof(xstats_names[i].name),
"%s", rte_i40evf_stats_strings[i].name);
}
return I40EVF_NB_XSTATS;
}
static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats, unsigned n)
{
int ret;
unsigned i;
struct i40e_eth_stats *pstats = NULL;
if (n < I40EVF_NB_XSTATS)
return I40EVF_NB_XSTATS;
ret = i40evf_update_stats(dev, &pstats);
if (ret != 0)
return 0;
if (!xstats)
return 0;
/* loop over xstats array and values from pstats */
for (i = 0; i < I40EVF_NB_XSTATS; i++) {
xstats[i].id = i;
xstats[i].value = *(uint64_t *)(((char *)pstats) +
rte_i40evf_stats_strings[i].offset);
}
return I40EVF_NB_XSTATS;
}
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 = vf->aq_resp;
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");
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 = vf->aq_resp;
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");
return err;
}
static const struct rte_pci_id pci_id_i40evf_map[] = {
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
{ RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
{ .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;
}
/* Disable IRQ0 */
static inline void
i40evf_disable_irq0(struct i40e_hw *hw)
{
/* Disable all interrupt types */
I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, 0);
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
I40EVF_WRITE_FLUSH(hw);
}
/* Enable IRQ0 */
static inline void
i40evf_enable_irq0(struct i40e_hw *hw)
{
/* Enable admin queue interrupt trigger */
uint32_t val;
i40evf_disable_irq0(hw);
val = I40E_READ_REG(hw, I40E_VFINT_ICR0_ENA1);
val |= I40E_VFINT_ICR0_ENA1_ADMINQ_MASK |
I40E_VFINT_ICR0_ENA1_LINK_STAT_CHANGE_MASK;
I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, val);
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_INTENA_MASK |
I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
I40EVF_WRITE_FLUSH(hw);
}
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");
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");
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);
uint16_t interval =
i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX);
vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
vf->dev_data = dev->data;
err = i40e_set_mac_type(hw);
if (err) {
PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
goto err;
}
i40e_init_adminq_parameter(hw);
err = i40e_init_adminq(hw);
if (err) {
PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
goto err;
}
/* Reset VF and wait until it's complete */
if (i40evf_reset_vf(hw)) {
PMD_INIT_LOG(ERR, "reset NIC failed");
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");
return -1;
}
i40e_init_adminq_parameter(hw);
if (i40e_init_adminq(hw) != I40E_SUCCESS) {
PMD_INIT_LOG(ERR, "init_adminq failed");
return -1;
}
vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
if (!vf->aq_resp) {
PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
goto err_aq;
}
if (i40evf_check_api_version(dev) != 0) {
PMD_INIT_LOG(ERR, "check_api version failed");
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");
goto err_aq;
}
if (i40evf_get_vf_resource(dev) != 0) {
PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
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");
goto err_alloc;
}
if (hw->mac.type == I40E_MAC_X722_VF)
vf->flags = I40E_FLAG_RSS_AQ_CAPABLE;
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;
vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
/* Store the MAC address configured by host, or generate random one */
if (is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
else
eth_random_addr(hw->mac.addr); /* Generate a random one */
/* If the PF host is not DPDK, set the interval of ITR0 to max*/
if (vf->version_major != I40E_DPDK_VERSION_MAJOR) {
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
(I40E_ITR_INDEX_DEFAULT <<
I40E_VFINT_DYN_CTL0_ITR_INDX_SHIFT) |
(interval <<
I40E_VFINT_DYN_CTL0_INTERVAL_SHIFT));
I40EVF_WRITE_FLUSH(hw);
}
return 0;
err_alloc:
rte_free(vf->vf_res);
err_aq:
i40e_shutdown_adminq(hw); /* ignore error */
err:
return -1;
}
static int
i40evf_uninit_vf(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);
PMD_INIT_FUNC_TRACE();
if (hw->adapter_stopped == 0)
i40evf_dev_close(dev);
rte_free(vf->vf_res);
vf->vf_res = NULL;
rte_free(vf->aq_resp);
vf->aq_resp = NULL;
return 0;
}
static void
i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev,
uint8_t *msg,
__rte_unused uint16_t msglen)
{
struct i40e_virtchnl_pf_event *pf_msg =
(struct i40e_virtchnl_pf_event *)msg;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
switch (pf_msg->event) {
case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
break;
case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
vf->link_up = pf_msg->event_data.link_event.link_status;
vf->link_speed = pf_msg->event_data.link_event.link_speed;
break;
case I40E_VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
break;
default:
PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
break;
}
}
static void
i40evf_handle_aq_msg(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);
struct i40e_arq_event_info info;
uint16_t pending, aq_opc;
enum i40e_virtchnl_ops msg_opc;
enum i40e_status_code msg_ret;
int ret;
info.buf_len = I40E_AQ_BUF_SZ;
if (!vf->aq_resp) {
PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
return;
}
info.msg_buf = vf->aq_resp;
pending = 1;
while (pending) {
ret = i40e_clean_arq_element(hw, &info, &pending);
if (ret != I40E_SUCCESS) {
PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
"ret: %d", ret);
break;
}
aq_opc = rte_le_to_cpu_16(info.desc.opcode);
/* For the message sent from pf to vf, opcode is stored in
* cookie_high of struct i40e_aq_desc, while return error code
* are stored in cookie_low, Which is done by
* i40e_aq_send_msg_to_vf in PF driver.*/
msg_opc = (enum i40e_virtchnl_ops)rte_le_to_cpu_32(
info.desc.cookie_high);
msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
info.desc.cookie_low);
switch (aq_opc) {
case i40e_aqc_opc_send_msg_to_vf:
if (msg_opc == I40E_VIRTCHNL_OP_EVENT)
/* process event*/
i40evf_handle_pf_event(dev, info.msg_buf,
info.msg_len);
else {
/* read message and it's expected one */
if (msg_opc == vf->pend_cmd) {
vf->cmd_retval = msg_ret;
/* prevent compiler reordering */
rte_compiler_barrier();
_clear_cmd(vf);
} else
PMD_DRV_LOG(ERR, "command mismatch,"
"expect %u, get %u",
vf->pend_cmd, msg_opc);
PMD_DRV_LOG(DEBUG, "adminq response is received,"
" opcode = %d", msg_opc);
}
break;
default:
PMD_DRV_LOG(ERR, "Request %u is not supported yet",
aq_opc);
break;
}
}
}
/**
* Interrupt handler triggered by NIC for handling
* specific interrupt. Only adminq interrupt is processed in VF.
*
* @param handle
* Pointer to interrupt handle.
* @param param
* The address of parameter (struct rte_eth_dev *) regsitered before.
*
* @return
* void
*/
static void
i40evf_dev_interrupt_handler(struct rte_intr_handle *intr_handle,
void *param)
{
struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t icr0;
i40evf_disable_irq0(hw);
/* read out interrupt causes */
icr0 = I40E_READ_REG(hw, I40E_VFINT_ICR01);
/* No interrupt event indicated */
if (!(icr0 & I40E_VFINT_ICR01_INTEVENT_MASK)) {
PMD_DRV_LOG(DEBUG, "No interrupt event, nothing to do");
goto done;
}
if (icr0 & I40E_VFINT_ICR01_ADMINQ_MASK) {
PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
i40evf_handle_aq_msg(dev);
}
/* Link Status Change interrupt */
if (icr0 & I40E_VFINT_ICR01_LINK_STAT_CHANGE_MASK)
PMD_DRV_LOG(DEBUG, "LINK_STAT_CHANGE is reported,"
" do nothing");
done:
i40evf_enable_irq0(hw);
rte_intr_enable(intr_handle);
}
static int
i40evf_dev_init(struct rte_eth_dev *eth_dev)
{
struct i40e_hw *hw
= I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(eth_dev);
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){
i40e_set_rx_function(eth_dev);
i40e_set_tx_function(eth_dev);
return 0;
}
rte_eth_copy_pci_info(eth_dev, pci_dev);
eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
hw->vendor_id = pci_dev->id.vendor_id;
hw->device_id = pci_dev->id.device_id;
hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
hw->bus.device = pci_dev->addr.devid;
hw->bus.func = pci_dev->addr.function;
hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
hw->adapter_stopped = 0;
if(i40evf_init_vf(eth_dev) != 0) {
PMD_INIT_LOG(ERR, "Init vf failed");
return -1;
}
/* register callback func to eal lib */
rte_intr_callback_register(&pci_dev->intr_handle,
i40evf_dev_interrupt_handler, (void *)eth_dev);
/* enable uio intr after callback register */
rte_intr_enable(&pci_dev->intr_handle);
/* configure and enable device interrupt */
i40evf_enable_irq0(hw);
/* copy mac addr */
eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX,
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 * I40E_NUM_MACADDR_MAX);
return -ENOMEM;
}
ether_addr_copy((struct ether_addr *)hw->mac.addr,
&eth_dev->data->mac_addrs[0]);
return 0;
}
static int
i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
{
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return -EPERM;
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
eth_dev->tx_pkt_burst = NULL;
if (i40evf_uninit_vf(eth_dev) != 0) {
PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
return -1;
}
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
return 0;
}
/*
* virtual function driver struct
*/
static struct eth_driver rte_i40evf_pmd = {
.pci_drv = {
.id_table = pci_id_i40evf_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.probe = rte_eth_dev_pci_probe,
.remove = rte_eth_dev_pci_remove,
},
.eth_dev_init = i40evf_dev_init,
.eth_dev_uninit = i40evf_dev_uninit,
.dev_private_size = sizeof(struct i40e_adapter),
};
RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd.pci_drv);
RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio");
static int
i40evf_dev_configure(struct rte_eth_dev *dev)
{
struct i40e_adapter *ad =
I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
struct rte_eth_conf *conf = &dev->data->dev_conf;
struct i40e_vf *vf;
/* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
* allocation or vector Rx preconditions we will reset it.
*/
ad->rx_bulk_alloc_allowed = true;
ad->rx_vec_allowed = true;
ad->tx_simple_allowed = true;
ad->tx_vec_allowed = true;
/* For non-DPDK PF drivers, VF has no ability to disable HW
* CRC strip, and is implicitly enabled by the PF.
*/
if (!conf->rxmode.hw_strip_crc) {
vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
if ((vf->version_major == I40E_VIRTCHNL_VERSION_MAJOR) &&
(vf->version_minor <= I40E_VIRTCHNL_VERSION_MINOR)) {
/* Peer is running non-DPDK PF driver. */
PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
return -EINVAL;
}
}
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->version_major == I40E_DPDK_VERSION_MAJOR) {
/* 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->version_major == I40E_DPDK_VERSION_MAJOR) {
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");
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",
rx_queue_id);
else
dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
}
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",
rx_queue_id);
return err;
}
i40e_rx_queue_release_mbufs(rxq);
i40e_reset_rx_queue(rxq);
dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
}
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",
tx_queue_id);
else
dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
}
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 off",
tx_queue_id);
return err;
}
i40e_tx_queue_release_mbufs(txq);
i40e_reset_tx_queue(txq);
dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
}
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_rxq_init(struct rte_eth_dev *dev, struct i40e_rx_queue *rxq)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_eth_dev_data *dev_data = dev->data;
struct rte_pktmbuf_pool_private *mbp_priv;
uint16_t buf_size, len;
rxq->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(rxq->queue_id);
I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
I40EVF_WRITE_FLUSH(hw);
/* Calculate the maximum packet length allowed */
mbp_priv = rte_mempool_get_priv(rxq->mp);
buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
RTE_PKTMBUF_HEADROOM);
rxq->hs_mode = i40e_header_split_none;
rxq->rx_hdr_len = 0;
rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << I40E_RXQ_CTX_DBUFF_SHIFT));
len = rxq->rx_buf_len * I40E_MAX_CHAINED_RX_BUFFERS;
rxq->max_pkt_len = RTE_MIN(len,
dev_data->dev_conf.rxmode.max_rx_pkt_len);
/**
* Check if the jumbo frame and maximum packet length are set correctly
*/
if (dev_data->dev_conf.rxmode.jumbo_frame == 1) {
if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
rxq->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", (uint32_t)ETHER_MAX_LEN,
(uint32_t)I40E_FRAME_SIZE_MAX);
return I40E_ERR_CONFIG;
}
} else {
if (rxq->max_pkt_len < ETHER_MIN_LEN ||
rxq->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", (uint32_t)ETHER_MIN_LEN,
(uint32_t)ETHER_MAX_LEN);
return I40E_ERR_CONFIG;
}
}
if (dev_data->dev_conf.rxmode.enable_scatter ||
(rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size) {
dev_data->scattered_rx = 1;
}
return 0;
}
static int
i40evf_rx_init(struct rte_eth_dev *dev)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
uint16_t i;
int ret = I40E_SUCCESS;
struct i40e_rx_queue **rxq =
(struct i40e_rx_queue **)dev->data->rx_queues;
i40evf_config_rss(vf);
for (i = 0; i < dev->data->nb_rx_queues; i++) {
if (!rxq[i] || !rxq[i]->q_set)
continue;
ret = i40evf_rxq_init(dev, rxq[i]);
if (ret != I40E_SUCCESS)
break;
}
if (ret == I40E_SUCCESS)
i40e_set_rx_function(dev);
return ret;
}
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);
i40e_set_tx_function(dev);
}
static inline void
i40evf_enable_queues_intr(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 rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
if (!rte_intr_allow_others(intr_handle)) {
I40E_WRITE_REG(hw,
I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_INTENA_MASK |
I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
I40EVF_WRITE_FLUSH(hw);
return;
}
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
/* To support DPDK PF host */
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);
/* If host driver is kernel driver, do nothing.
* Interrupt 0 is used for rx packets, but don't set
* I40E_VFINT_DYN_CTL01,
* because it is already done in i40evf_enable_irq0.
*/
I40EVF_WRITE_FLUSH(hw);
}
static inline void
i40evf_disable_queues_intr(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 rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
if (!rte_intr_allow_others(intr_handle)) {
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
I40EVF_WRITE_FLUSH(hw);
return;
}
if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
I40E_WRITE_REG(hw,
I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR
- 1),
0);
/* If host driver is kernel driver, do nothing.
* Interrupt 0 is used for rx packets, but don't zero
* I40E_VFINT_DYN_CTL01,
* because interrupt 0 is also used for adminq processing.
*/
I40EVF_WRITE_FLUSH(hw);
}
static int
i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
{
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint16_t interval =
i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
uint16_t msix_intr;
msix_intr = intr_handle->intr_vec[queue_id];
if (msix_intr == I40E_MISC_VEC_ID)
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
I40E_VFINT_DYN_CTL01_INTENA_MASK |
I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
(0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
(interval <<
I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
else
I40E_WRITE_REG(hw,
I40E_VFINT_DYN_CTLN1(msix_intr -
I40E_RX_VEC_START),
I40E_VFINT_DYN_CTLN1_INTENA_MASK |
I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
(0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
(interval <<
I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
I40EVF_WRITE_FLUSH(hw);
rte_intr_enable(&pci_dev->intr_handle);
return 0;
}
static int
i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
{
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint16_t msix_intr;
msix_intr = intr_handle->intr_vec[queue_id];
if (msix_intr == I40E_MISC_VEC_ID)
I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
else
I40E_WRITE_REG(hw,
I40E_VFINT_DYN_CTLN1(msix_intr -
I40E_RX_VEC_START),
0);
I40EVF_WRITE_FLUSH(hw);
return 0;
}
static void
i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
{
struct i40e_virtchnl_ether_addr_list *list;
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
int err, i, j;
int next_begin = 0;
int begin = 0;
uint32_t len;
struct ether_addr *addr;
struct vf_cmd_info args;
do {
j = 0;
len = sizeof(struct i40e_virtchnl_ether_addr_list);
for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
if (is_zero_ether_addr(&dev->data->mac_addrs[i]))
continue;
len += sizeof(struct i40e_virtchnl_ether_addr);
if (len >= I40E_AQ_BUF_SZ) {
next_begin = i + 1;
break;
}
}
list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
for (i = begin; i < next_begin; i++) {
addr = &dev->data->mac_addrs[i];
if (is_zero_ether_addr(addr))
continue;
(void)rte_memcpy(list->list[j].addr, addr->addr_bytes,
sizeof(addr->addr_bytes));
PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
addr->addr_bytes[0], addr->addr_bytes[1],
addr->addr_bytes[2], addr->addr_bytes[3],
addr->addr_bytes[4], addr->addr_bytes[5]);
j++;
}
list->vsi_id = vf->vsi_res->vsi_id;
list->num_elements = j;
args.ops = add ? I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS :
I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS;
args.in_args = (uint8_t *)list;
args.in_args_size = len;
args.out_buffer = vf->aq_resp;
args.out_size = I40E_AQ_BUF_SZ;
err = i40evf_execute_vf_cmd(dev, &args);
if (err)
PMD_DRV_LOG(ERR, "fail to execute command %s",
add ? "OP_ADD_ETHER_ADDRESS" :
"OP_DEL_ETHER_ADDRESS");
rte_free(list);
begin = next_begin;
} while (begin < I40E_NUM_MACADDR_MAX);
}
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 rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
uint32_t intr_vector = 0;
PMD_INIT_FUNC_TRACE();
hw->adapter_stopped = 0;
vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
dev->data->nb_tx_queues);
/* check and configure queue intr-vector mapping */
if (dev->data->dev_conf.intr_conf.rxq != 0) {
intr_vector = dev->data->nb_rx_queues;
if (rte_intr_efd_enable(intr_handle, intr_vector))
return -1;
}
if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
intr_handle->intr_vec =
rte_zmalloc("intr_vec",
dev->data->nb_rx_queues * sizeof(int), 0);
if (!intr_handle->intr_vec) {
PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
" intr_vec", dev->data->nb_rx_queues);
return -ENOMEM;
}
}
if (i40evf_rx_init(dev) != 0){
PMD_DRV_LOG(ERR, "failed to do RX init");
return -1;
}
i40evf_tx_init(dev);
if (i40evf_configure_queues(dev) != 0) {
PMD_DRV_LOG(ERR, "configure queues failed");
goto err_queue;
}
if (i40evf_config_irq_map(dev)) {
PMD_DRV_LOG(ERR, "config_irq_map failed");
goto err_queue;
}
/* Set all mac addrs */
i40evf_add_del_all_mac_addr(dev, TRUE);
if (i40evf_start_queues(dev) != 0) {
PMD_DRV_LOG(ERR, "enable queues failed");
goto err_mac;
}
i40evf_enable_queues_intr(dev);
return 0;
err_mac:
i40evf_add_del_all_mac_addr(dev, FALSE);
err_queue:
return -1;
}
static void
i40evf_dev_stop(struct rte_eth_dev *dev)
{
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
PMD_INIT_FUNC_TRACE();
i40evf_stop_queues(dev);
i40evf_disable_queues_intr(dev);
i40e_dev_clear_queues(dev);
/* Clean datapath event and queue/vec mapping */
rte_intr_efd_disable(intr_handle);
if (intr_handle->intr_vec) {
rte_free(intr_handle->intr_vec);
intr_handle->intr_vec = NULL;
}
/* remove all mac addrs */
i40evf_add_del_all_mac_addr(dev, FALSE);
}
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
*/
/* Linux driver PF host */
switch (vf->link_speed) {
case I40E_LINK_SPEED_100MB:
new_link.link_speed = ETH_SPEED_NUM_100M;
break;
case I40E_LINK_SPEED_1GB:
new_link.link_speed = ETH_SPEED_NUM_1G;
break;
case I40E_LINK_SPEED_10GB:
new_link.link_speed = ETH_SPEED_NUM_10G;
break;
case I40E_LINK_SPEED_20GB:
new_link.link_speed = ETH_SPEED_NUM_20G;
break;
case I40E_LINK_SPEED_40GB:
new_link.link_speed = ETH_SPEED_NUM_40G;
break;
default:
new_link.link_speed = ETH_SPEED_NUM_100M;
break;
}
/* full duplex only */
new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
new_link.link_status = vf->link_up ? ETH_LINK_UP :
ETH_LINK_DOWN;
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->pci_dev = RTE_DEV_TO_PCI(dev->device);
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;
dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
dev_info->rx_offload_capa =
DEV_RX_OFFLOAD_VLAN_STRIP |
DEV_RX_OFFLOAD_QINQ_STRIP |
DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
dev_info->tx_offload_capa =
DEV_TX_OFFLOAD_VLAN_INSERT |
DEV_TX_OFFLOAD_QINQ_INSERT |
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_SCTP_CKSUM;
dev_info->default_rxconf = (struct rte_eth_rxconf) {
.rx_thresh = {
.pthresh = I40E_DEFAULT_RX_PTHRESH,
.hthresh = I40E_DEFAULT_RX_HTHRESH,
.wthresh = I40E_DEFAULT_RX_WTHRESH,
},
.rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
.rx_drop_en = 0,
};
dev_info->default_txconf = (struct rte_eth_txconf) {
.tx_thresh = {
.pthresh = I40E_DEFAULT_TX_PTHRESH,
.hthresh = I40E_DEFAULT_TX_HTHRESH,
.wthresh = I40E_DEFAULT_TX_WTHRESH,
},
.tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
.tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
ETH_TXQ_FLAGS_NOOFFLOADS,
};
dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
.nb_max = I40E_MAX_RING_DESC,
.nb_min = I40E_MIN_RING_DESC,
.nb_align = I40E_ALIGN_RING_DESC,
};
dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
.nb_max = I40E_MAX_RING_DESC,
.nb_min = I40E_MIN_RING_DESC,
.nb_align = I40E_ALIGN_RING_DESC,
};
}
static void
i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
if (i40evf_get_statistics(dev, stats))
PMD_DRV_LOG(ERR, "Get statistics failed");
}
static void
i40evf_dev_close(struct rte_eth_dev *dev)
{
struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_pci_device *pci_dev = I40E_DEV_TO_PCI(dev);
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
i40evf_dev_stop(dev);
hw->adapter_stopped = 1;
i40e_dev_free_queues(dev);
i40evf_reset_vf(hw);
i40e_shutdown_adminq(hw);
/* disable uio intr before callback unregister */
rte_intr_disable(intr_handle);
/* unregister callback func from eal lib */
rte_intr_callback_unregister(intr_handle,
i40evf_dev_interrupt_handler, dev);
i40evf_disable_irq0(hw);
}
static int
i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
{
struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
int ret;
if (!lut)
return -EINVAL;
if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
lut, lut_size);
if (ret) {
PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
return ret;
}
} else {
uint32_t *lut_dw = (uint32_t *)lut;
uint16_t i, lut_size_dw = lut_size / 4;
for (i = 0; i < lut_size_dw; i++)
lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
}
return 0;
}
static int
i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
{
struct i40e_vf *vf;
struct i40e_hw *hw;
int ret;
if (!vsi || !lut)
return -EINVAL;
vf = I40E_VSI_TO_VF(vsi);
hw = I40E_VSI_TO_HW(vsi);
if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
lut, lut_size);
if (ret) {
PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
return ret;
}
} else {
uint32_t *lut_dw = (uint32_t *)lut;
uint16_t i, lut_size_dw = lut_size / 4;
for (i = 0; i < lut_size_dw; i++)
I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
I40EVF_WRITE_FLUSH(hw);
}
return 0;
}
static int
i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
uint8_t *lut;
uint16_t i, idx, shift;
int ret;
if (reta_size != ETH_RSS_RETA_SIZE_64) {
PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
"(%d) doesn't match the number of hardware can "
"support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
return -EINVAL;
}
lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
if (!lut) {
PMD_DRV_LOG(ERR, "No memory can be allocated");
return -ENOMEM;
}
ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
if (ret)
goto out;
for (i = 0; i < reta_size; i++) {
idx = i / RTE_RETA_GROUP_SIZE;
shift = i % RTE_RETA_GROUP_SIZE;
if (reta_conf[idx].mask & (1ULL << shift))
lut[i] = reta_conf[idx].reta[shift];
}
ret = i40evf_set_rss_lut(&vf->vsi, lut, reta_size);
out:
rte_free(lut);
return ret;
}
static int
i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
struct rte_eth_rss_reta_entry64 *reta_conf,
uint16_t reta_size)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
uint16_t i, idx, shift;
uint8_t *lut;
int ret;
if (reta_size != ETH_RSS_RETA_SIZE_64) {
PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
"(%d) doesn't match the number of hardware can "
"support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
return -EINVAL;
}
lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
if (!lut) {
PMD_DRV_LOG(ERR, "No memory can be allocated");
return -ENOMEM;
}
ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
if (ret)
goto out;
for (i = 0; i < reta_size; i++) {
idx = i / RTE_RETA_GROUP_SIZE;
shift = i % RTE_RETA_GROUP_SIZE;
if (reta_conf[idx].mask & (1ULL << shift))
reta_conf[idx].reta[shift] = lut[i];
}
out:
rte_free(lut);
return ret;
}
static int
i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
{
struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
int ret = 0;
if (!key || key_len == 0) {
PMD_DRV_LOG(DEBUG, "No key to be configured");
return 0;
} else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
sizeof(uint32_t)) {
PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
return -EINVAL;
}
if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
struct i40e_aqc_get_set_rss_key_data *key_dw =
(struct i40e_aqc_get_set_rss_key_data *)key;
ret = i40e_aq_set_rss_key(hw, vsi->vsi_id, key_dw);
if (ret)
PMD_INIT_LOG(ERR, "Failed to configure RSS key "
"via AQ");
} else {
uint32_t *hash_key = (uint32_t *)key;
uint16_t i;
for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
I40EVF_WRITE_FLUSH(hw);
}
return ret;
}
static int
i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
{
struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
int ret;
if (!key || !key_len)
return -EINVAL;
if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
ret = i40e_aq_get_rss_key(hw, vsi->vsi_id,
(struct i40e_aqc_get_set_rss_key_data *)key);
if (ret) {
PMD_INIT_LOG(ERR, "Failed to get RSS key via AQ");
return ret;
}
} else {
uint32_t *key_dw = (uint32_t *)key;
uint16_t i;
for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
}
*key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
return 0;
}
static int
i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
{
struct i40e_hw *hw = I40E_VF_TO_HW(vf);
uint64_t rss_hf, hena;
int ret;
ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
rss_conf->rss_key_len);
if (ret)
return ret;
rss_hf = rss_conf->rss_hf;
hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
if (hw->mac.type == I40E_MAC_X722)
hena &= ~I40E_RSS_HENA_ALL_X722;
else
hena &= ~I40E_RSS_HENA_ALL;
hena |= i40e_config_hena(rss_hf, hw->mac.type);
i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
I40EVF_WRITE_FLUSH(hw);
return 0;
}
static void
i40evf_disable_rss(struct i40e_vf *vf)
{
struct i40e_hw *hw = I40E_VF_TO_HW(vf);
uint64_t hena;
hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
if (hw->mac.type == I40E_MAC_X722)
hena &= ~I40E_RSS_HENA_ALL_X722;
else
hena &= ~I40E_RSS_HENA_ALL;
i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
I40EVF_WRITE_FLUSH(hw);
}
static int
i40evf_config_rss(struct i40e_vf *vf)
{
struct i40e_hw *hw = I40E_VF_TO_HW(vf);
struct rte_eth_rss_conf rss_conf;
uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
uint16_t num;
if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
i40evf_disable_rss(vf);
PMD_DRV_LOG(DEBUG, "RSS not configured");
return 0;
}
num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
/* Fill out the look up table */
for (i = 0, j = 0; i < nb_q; i++, j++) {
if (j >= num)
j = 0;
lut = (lut << 8) | j;
if ((i & 3) == 3)
I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
}
rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
if ((rss_conf.rss_hf & I40E_RSS_OFFLOAD_ALL) == 0) {
i40evf_disable_rss(vf);
PMD_DRV_LOG(DEBUG, "No hash flag is set");
return 0;
}
if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
(I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
/* Calculate the default hash key */
for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
rss_key_default[i] = (uint32_t)rte_rand();
rss_conf.rss_key = (uint8_t *)rss_key_default;
rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
sizeof(uint32_t);
}
return i40evf_hw_rss_hash_set(vf, &rss_conf);
}
static int
i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
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);
uint64_t rss_hf = rss_conf->rss_hf & I40E_RSS_OFFLOAD_ALL;
uint64_t hena;
hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
if (!(hena & ((hw->mac.type == I40E_MAC_X722)
? I40E_RSS_HENA_ALL_X722
: I40E_RSS_HENA_ALL))) { /* RSS disabled */
if (rss_hf != 0) /* Enable RSS */
return -EINVAL;
return 0;
}
/* RSS enabled */
if (rss_hf == 0) /* Disable RSS */
return -EINVAL;
return i40evf_hw_rss_hash_set(vf, rss_conf);
}
static int
i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
struct rte_eth_rss_conf *rss_conf)
{
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);
uint64_t hena;
i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
&rss_conf->rss_key_len);
hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
rss_conf->rss_hf = i40e_parse_hena(hena);
return 0;
}
static int
i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct rte_eth_dev_data *dev_data = vf->dev_data;
uint32_t frame_size = mtu + ETHER_HDR_LEN
+ ETHER_CRC_LEN + I40E_VLAN_TAG_SIZE;
int ret = 0;
/* check if mtu is within the allowed range */
if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
return -EINVAL;
/* mtu setting is forbidden if port is start */
if (dev_data->dev_started) {
PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
dev_data->port_id);
return -EBUSY;
}
if (frame_size > ETHER_MAX_LEN)
dev_data->dev_conf.rxmode.jumbo_frame = 1;
else
dev_data->dev_conf.rxmode.jumbo_frame = 0;
dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
return ret;
}
static void
i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *mac_addr)
{
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
if (!is_valid_assigned_ether_addr(mac_addr)) {
PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
return;
}
if (is_same_ether_addr(mac_addr, dev->data->mac_addrs))
return;
if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
return;
i40evf_del_mac_addr_by_addr(dev, dev->data->mac_addrs);
i40evf_add_mac_addr(dev, mac_addr, 0, 0);
}
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