+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2016 Intel Corporation
- */
-
-#include <sys/queue.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdint.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdarg.h>
-#include <inttypes.h>
-#include <rte_byteorder.h>
-#include <rte_common.h>
-#include <rte_cycles.h>
-
-#include <rte_interrupts.h>
-#include <rte_log.h>
-#include <rte_debug.h>
-#include <rte_pci.h>
-#include <rte_bus_pci.h>
-#include <rte_atomic.h>
-#include <rte_branch_prediction.h>
-#include <rte_memory.h>
-#include <rte_eal.h>
-#include <rte_alarm.h>
-#include <rte_ether.h>
-#include <ethdev_driver.h>
-#include <ethdev_pci.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"
-
-/* busy wait delay in msec */
-#define I40EVF_BUSY_WAIT_DELAY 10
-#define I40EVF_BUSY_WAIT_COUNT 50
-#define MAX_RESET_WAIT_CNT 20
-
-#define I40EVF_ALARM_INTERVAL 50000 /* us */
-
-struct i40evf_arq_msg_info {
- enum virtchnl_ops ops;
- enum i40e_status_code result;
- uint16_t buf_len;
- uint16_t msg_len;
- uint8_t *msg;
-};
-
-struct vf_cmd_info {
- enum 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 int i40evf_dev_stop(struct rte_eth_dev *dev);
-static int 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,
- int wait_to_complete);
-static int 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 int 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 int i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
-static int i40evf_dev_close(struct rte_eth_dev *dev);
-static int i40evf_dev_reset(struct rte_eth_dev *dev);
-static int i40evf_check_vf_reset_done(struct rte_eth_dev *dev);
-static int i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
-static int i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
-static int i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
-static int 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 int i40evf_add_del_eth_addr(struct rte_eth_dev *dev,
- struct rte_ether_addr *addr,
- bool add, uint8_t type);
-static int i40evf_add_mac_addr(struct rte_eth_dev *dev,
- struct rte_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 int i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
- struct rte_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(struct rte_eth_dev *dev,
- uint8_t *msg,
- uint16_t msglen);
-
-static int
-i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
- struct rte_ether_addr *mc_addr_set,
- uint32_t nb_mc_addr, bool add);
-static int
-i40evf_set_mc_addr_list(struct rte_eth_dev *dev,
- struct rte_ether_addr *mc_addr_set,
- uint32_t nb_mc_addr);
-static void
-i40evf_dev_alarm_handler(void *param);
-
-/* 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,
- .stats_reset = i40evf_dev_xstats_reset,
- .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_reset = i40evf_dev_reset,
- .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,
- .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,
- .tx_queue_setup = i40e_dev_tx_queue_setup,
- .tx_queue_release = i40e_dev_tx_queue_release,
- .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,
- .set_mc_addr_list = i40evf_set_mc_addr_list,
- .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,
- .tx_done_cleanup = i40e_tx_done_cleanup,
- .get_monitor_addr = i40e_get_monitor_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 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 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 == VIRTCHNL_OP_EVENT) {
- struct virtchnl_pf_event *vpe =
- (struct virtchnl_pf_event *)event.msg_buf;
-
- result = I40EVF_MSG_SYS;
- switch (vpe->event) {
- case 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 VIRTCHNL_EVENT_RESET_IMPENDING:
- vf->vf_reset = true;
- vf->pend_msg |= PFMSG_RESET_IMPENDING;
- PMD_DRV_LOG(INFO, "VF is resetting");
- break;
- case 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 = 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 virtchnl_ops ops)
-{
- int ret = rte_atomic32_cmpset(&vf->pend_cmd,
- 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 = 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 VIRTCHNL_OP_RESET_VF:
- /*no need to process in this function */
- err = 0;
- break;
- case VIRTCHNL_OP_VERSION:
- case 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;
- case VIRTCHNL_OP_REQUEST_QUEUES:
- /**
- * ignore async reply, only wait for system message,
- * vf_reset = true if get VIRTCHNL_EVENT_RESET_IMPENDING,
- * if not, means request queues failed.
- */
- err = -1;
- do {
- ret = i40evf_read_pfmsg(dev, &info);
- vf->cmd_retval = info.result;
- if (ret == I40EVF_MSG_SYS && vf->vf_reset) {
- err = 0;
- break;
- } else if (ret == I40EVF_MSG_ERR ||
- ret == I40EVF_MSG_CMD) {
- 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 == 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);
- /* If there's no response is received, clear command */
- if (i >= MAX_TRY_TIMES) {
- PMD_DRV_LOG(WARNING, "No response for %d", args->ops);
- _clear_cmd(vf);
- }
- break;
- }
-
- return err | vf->cmd_retval;
-}
-
-static int
-i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- int err;
-
- while (!rte_spinlock_trylock(&vf->cmd_send_lock))
- rte_delay_us_sleep(50);
- err = _i40evf_execute_vf_cmd(dev, args);
- rte_spinlock_unlock(&vf->cmd_send_lock);
- return err;
-}
-
-/*
- * 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 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 = VIRTCHNL_VERSION_MAJOR;
- version.minor = VIRTCHNL_VERSION_MINOR;
-
- args.ops = 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 virtchnl_version_info *)args.out_buffer;
- vf->version_major = pver->major;
- vf->version_minor = pver->minor;
- if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
- (vf->version_minor <= 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,
- VIRTCHNL_VERSION_MAJOR,
- 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 = VIRTCHNL_OP_GET_VF_RESOURCES;
- args.out_buffer = vf->aq_resp;
- args.out_size = I40E_AQ_BUF_SZ;
- if (PF_IS_V11(vf)) {
- caps = VIRTCHNL_VF_OFFLOAD_L2 |
- VIRTCHNL_VF_OFFLOAD_RSS_AQ |
- VIRTCHNL_VF_OFFLOAD_RSS_REG |
- VIRTCHNL_VF_OFFLOAD_VLAN |
- VIRTCHNL_VF_OFFLOAD_RX_POLLING |
- VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
- args.in_args = (uint8_t *)∩︀
- 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 virtchnl_vf_resource) +
- I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
-
- 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 virtchnl_promisc_info promisc;
-
- promisc.flags = 0;
- promisc.vsi_id = vf->vsi_res->vsi_id;
-
- if (enable_unicast)
- promisc.flags |= FLAG_VF_UNICAST_PROMISC;
-
- if (enable_multicast)
- promisc.flags |= FLAG_VF_MULTICAST_PROMISC;
-
- args.ops = 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");
-
- if (err == I40E_NOT_SUPPORTED)
- return -ENOTSUP;
-
- return -EAGAIN;
- }
-
- vf->promisc_unicast_enabled = enable_unicast;
- vf->promisc_multicast_enabled = enable_multicast;
- return 0;
-}
-
-static int
-i40evf_enable_vlan_strip(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct vf_cmd_info args;
- int ret;
-
- memset(&args, 0, sizeof(args));
- args.ops = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
- args.in_args = NULL;
- args.in_args_size = 0;
- 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 "
- "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING");
-
- return ret;
-}
-
-static int
-i40evf_disable_vlan_strip(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct vf_cmd_info args;
- int ret;
-
- memset(&args, 0, sizeof(args));
- args.ops = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
- args.in_args = NULL;
- args.in_args_size = 0;
- 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 "
- "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING");
-
- return ret;
-}
-
-static void
-i40evf_fill_virtchnl_vsi_txq_info(struct 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) {
- 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 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) {
- 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);
- }
-}
-
-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 virtchnl_vsi_queue_config_info *vc_vqci;
- struct 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 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 ? txq[i] : NULL);
- i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
- vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
- vf->max_pkt_len, rxq ? rxq[i] : NULL);
- }
- memset(&args, 0, sizeof(args));
- args.ops = 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 "
- "VIRTCHNL_OP_CONFIG_VSI_QUEUES");
-
- return ret;
-}
-
-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 = NULL;
- struct virtchnl_irq_map_info *map_info;
- struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
- uint32_t vec, cmd_buffer_size, max_vectors, nb_msix, msix_base, i;
- uint16_t rxq_map[vf->vf_res->max_vectors];
- int err;
-
- memset(rxq_map, 0, sizeof(rxq_map));
- if (dev->data->dev_conf.intr_conf.rxq != 0 &&
- rte_intr_allow_others(intr_handle)) {
- msix_base = I40E_RX_VEC_START;
- /* For interrupt mode, available vector id is from 1. */
- max_vectors = vf->vf_res->max_vectors - 1;
- nb_msix = RTE_MIN(max_vectors, intr_handle->nb_efd);
-
- vec = msix_base;
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- rxq_map[vec] |= 1 << i;
- intr_handle->intr_vec[i] = vec++;
- if (vec >= vf->vf_res->max_vectors)
- vec = msix_base;
- }
- } else {
- msix_base = I40E_MISC_VEC_ID;
- nb_msix = 1;
-
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- rxq_map[msix_base] |= 1 << i;
- if (rte_intr_dp_is_en(intr_handle))
- intr_handle->intr_vec[i] = msix_base;
- }
- }
-
- cmd_buffer_size = sizeof(struct virtchnl_irq_map_info) +
- sizeof(struct virtchnl_vector_map) * nb_msix;
- cmd_buffer = rte_zmalloc("i40e", cmd_buffer_size, 0);
- if (!cmd_buffer) {
- PMD_DRV_LOG(ERR, "Failed to allocate memory");
- return I40E_ERR_NO_MEMORY;
- }
-
- map_info = (struct virtchnl_irq_map_info *)cmd_buffer;
- map_info->num_vectors = nb_msix;
- for (i = 0; i < nb_msix; i++) {
- map_info->vecmap[i].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
- map_info->vecmap[i].vsi_id = vf->vsi_res->vsi_id;
- map_info->vecmap[i].vector_id = msix_base + i;
- map_info->vecmap[i].txq_map = 0;
- map_info->vecmap[i].rxq_map = rxq_map[msix_base + i];
- }
-
- args.ops = VIRTCHNL_OP_CONFIG_IRQ_MAP;
- args.in_args = (u8 *)cmd_buffer;
- args.in_args_size = cmd_buffer_size;
- 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");
-
- rte_free(cmd_buffer);
-
- 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 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 = VIRTCHNL_OP_ENABLE_QUEUES;
- else
- args.ops = 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);
- }
- }
-
- /* 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 0;
-}
-
-static int
-i40evf_add_del_eth_addr(struct rte_eth_dev *dev,
- struct rte_ether_addr *addr,
- bool add, uint8_t type)
-{
- struct virtchnl_ether_addr_list *list;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
- sizeof(struct virtchnl_ether_addr)];
- int err;
- struct vf_cmd_info args;
-
- list = (struct virtchnl_ether_addr_list *)cmd_buffer;
- list->vsi_id = vf->vsi_res->vsi_id;
- list->num_elements = 1;
- list->list[0].type = type;
- rte_memcpy(list->list[0].addr, addr->addr_bytes,
- sizeof(addr->addr_bytes));
-
- args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
- 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 %s",
- add ? "OP_ADD_ETH_ADDR" : "OP_DEL_ETH_ADDR");
- return err;
-}
-
-static int
-i40evf_add_mac_addr(struct rte_eth_dev *dev,
- struct rte_ether_addr *addr,
- __rte_unused uint32_t index,
- __rte_unused uint32_t pool)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- int err;
-
- if (rte_is_zero_ether_addr(addr)) {
- PMD_DRV_LOG(ERR, "Invalid mac:" RTE_ETHER_ADDR_PRT_FMT,
- RTE_ETHER_ADDR_BYTES(addr));
- return I40E_ERR_INVALID_MAC_ADDR;
- }
-
- err = i40evf_add_del_eth_addr(dev, addr, TRUE, VIRTCHNL_ETHER_ADDR_EXTRA);
-
- if (err)
- PMD_DRV_LOG(ERR, "fail to add MAC address");
- else
- vf->vsi.mac_num++;
-
- return err;
-}
-
-static void
-i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct rte_eth_dev_data *data = dev->data;
- struct rte_ether_addr *addr;
- int err;
-
- addr = &data->mac_addrs[index];
-
- err = i40evf_add_del_eth_addr(dev, addr, FALSE, VIRTCHNL_ETHER_ADDR_EXTRA);
-
- if (err)
- PMD_DRV_LOG(ERR, "fail to delete MAC address");
- else
- vf->vsi.mac_num--;
-
- return;
-}
-
-static int
-i40evf_query_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 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 = 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 void
-i40evf_stat_update_48(uint64_t *offset,
- uint64_t *stat)
-{
- if (*stat >= *offset)
- *stat = *stat - *offset;
- else
- *stat = (uint64_t)((*stat +
- ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
-
- *stat &= I40E_48_BIT_MASK;
-}
-
-static void
-i40evf_stat_update_32(uint64_t *offset,
- uint64_t *stat)
-{
- if (*stat >= *offset)
- *stat = (uint64_t)(*stat - *offset);
- else
- *stat = (uint64_t)((*stat +
- ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
-}
-
-static void
-i40evf_update_stats(struct i40e_vsi *vsi,
- struct i40e_eth_stats *nes)
-{
- struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
-
- i40evf_stat_update_48(&oes->rx_bytes,
- &nes->rx_bytes);
- i40evf_stat_update_48(&oes->rx_unicast,
- &nes->rx_unicast);
- i40evf_stat_update_48(&oes->rx_multicast,
- &nes->rx_multicast);
- i40evf_stat_update_48(&oes->rx_broadcast,
- &nes->rx_broadcast);
- i40evf_stat_update_32(&oes->rx_discards,
- &nes->rx_discards);
- i40evf_stat_update_32(&oes->rx_unknown_protocol,
- &nes->rx_unknown_protocol);
- i40evf_stat_update_48(&oes->tx_bytes,
- &nes->tx_bytes);
- i40evf_stat_update_48(&oes->tx_unicast,
- &nes->tx_unicast);
- i40evf_stat_update_48(&oes->tx_multicast,
- &nes->tx_multicast);
- i40evf_stat_update_48(&oes->tx_broadcast,
- &nes->tx_broadcast);
- i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
- i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
-}
-
-static int
-i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
-{
- int ret;
- 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 */
- ret = i40evf_query_stats(dev, &pstats);
-
- /* set stats offset base on current values */
- if (ret == 0)
- vf->vsi.eth_stats_offset = *pstats;
-
- return ret;
-}
-
-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;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct i40e_vsi *vsi = &vf->vsi;
-
- if (n < I40EVF_NB_XSTATS)
- return I40EVF_NB_XSTATS;
-
- ret = i40evf_query_stats(dev, &pstats);
- if (ret != 0)
- return 0;
-
- if (!xstats)
- return 0;
-
- i40evf_update_stats(vsi, pstats);
-
- /* 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 virtchnl_vlan_filter_list *vlan_list;
- uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
- sizeof(uint16_t)];
- int err;
- struct vf_cmd_info args;
-
- vlan_list = (struct 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 = 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;
- }
- /**
- * In linux kernel driver on receiving ADD_VLAN it enables
- * VLAN_STRIP by default. So reconfigure the vlan_offload
- * as it was done by the app earlier.
- */
- err = i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
- if (err)
- PMD_DRV_LOG(ERR, "fail to set vlan_strip");
-
- return err;
-}
-
-static int
-i40evf_request_queues(struct rte_eth_dev *dev, uint16_t num)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct virtchnl_vf_res_request vfres;
- struct vf_cmd_info args;
- int err;
-
- vfres.num_queue_pairs = num;
-
- args.ops = VIRTCHNL_OP_REQUEST_QUEUES;
- args.in_args = (u8 *)&vfres;
- args.in_args_size = sizeof(vfres);
- args.out_buffer = vf->aq_resp;
- args.out_size = I40E_AQ_BUF_SZ;
-
- rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
-
- err = i40evf_execute_vf_cmd(dev, &args);
-
- rte_eal_alarm_set(I40EVF_ALARM_INTERVAL, i40evf_dev_alarm_handler, dev);
-
- if (err != I40E_SUCCESS) {
- PMD_DRV_LOG(ERR, "fail to execute command OP_REQUEST_QUEUES");
- return err;
- }
-
- /* The PF will issue a reset to the VF when change the number of
- * queues. The 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(100);
-
- err = i40evf_check_vf_reset_done(dev);
- if (err)
- PMD_DRV_LOG(ERR, "VF is still resetting");
-
- 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 virtchnl_vlan_filter_list *vlan_list;
- uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
- sizeof(uint16_t)];
- int err;
- struct vf_cmd_info args;
-
- vlan_list = (struct 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 = 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 */ },
-};
-
-/* 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_check_vf_reset_done(struct rte_eth_dev *dev)
-{
- int i, reset;
- 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);
-
- for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
- reset = I40E_READ_REG(hw, I40E_VFGEN_RSTAT) &
- I40E_VFGEN_RSTAT_VFR_STATE_MASK;
- reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
- if (reset == VIRTCHNL_VFR_VFACTIVE ||
- reset == VIRTCHNL_VFR_COMPLETED)
- break;
- rte_delay_ms(50);
- }
-
- if (i >= MAX_RESET_WAIT_CNT)
- return -1;
-
- vf->pend_msg &= ~PFMSG_RESET_IMPENDING;
-
- return 0;
-}
-static int
-i40evf_reset_vf(struct rte_eth_dev *dev)
-{
- int ret;
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- 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(500);
-
- ret = i40evf_check_vf_reset_done(dev);
- if (ret) {
- PMD_INIT_LOG(ERR, "VF is still resetting");
- return ret;
- }
-
- 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(0, 0);
-
- vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
- vf->dev_data = dev->data;
- rte_spinlock_init(&vf->cmd_send_lock);
- err = i40e_set_mac_type(hw);
- if (err) {
- PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
- goto err;
- }
-
- err = i40evf_check_vf_reset_done(dev);
- if (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(dev)) {
- 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");
- goto err;
- }
-
- i40e_init_adminq_parameter(hw);
- if (i40e_init_adminq(hw) != I40E_SUCCESS) {
- PMD_INIT_LOG(ERR, "init_adminq failed");
- goto err;
- }
-
- 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_api;
- }
- bufsz = sizeof(struct virtchnl_vf_resource) +
- (I40E_MAX_VF_VSI * sizeof(struct 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_api;
- }
-
- 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 == VIRTCHNL_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;
-
- switch (vf->vsi_res->vsi_type) {
- case VIRTCHNL_VSI_SRIOV:
- vf->vsi.type = I40E_VSI_SRIOV;
- break;
- default:
- vf->vsi.type = I40E_VSI_TYPE_UNKNOWN;
- break;
- }
- 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 (!rte_is_valid_assigned_ether_addr(
- (struct rte_ether_addr *)hw->mac.addr))
- rte_eth_random_addr(hw->mac.addr); /* Generate a random one */
-
- 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);
- vf->vsi_res = NULL;
-err_api:
- rte_free(vf->aq_resp);
-err_aq:
- i40e_shutdown_adminq(hw); /* ignore error */
-err:
- return -1;
-}
-
-static int
-i40evf_uninit_vf(struct rte_eth_dev *dev)
-{
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- PMD_INIT_FUNC_TRACE();
-
- if (hw->adapter_closed == 0)
- i40evf_dev_close(dev);
-
- return 0;
-}
-
-static void
-i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
- __rte_unused uint16_t msglen)
-{
- struct virtchnl_pf_event *pf_msg =
- (struct virtchnl_pf_event *)msg;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- switch (pf_msg->event) {
- case VIRTCHNL_EVENT_RESET_IMPENDING:
- PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
- vf->vf_reset = true;
- rte_eth_dev_callback_process(dev,
- RTE_ETH_EVENT_INTR_RESET, NULL);
- break;
- case VIRTCHNL_EVENT_LINK_CHANGE:
- PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
-
- if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
- vf->link_up =
- pf_msg->event_data.link_event_adv.link_status;
-
- switch (pf_msg->event_data.link_event_adv.link_speed) {
- case ETH_SPEED_NUM_100M:
- vf->link_speed = VIRTCHNL_LINK_SPEED_100MB;
- break;
- case ETH_SPEED_NUM_1G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_1GB;
- break;
- case ETH_SPEED_NUM_2_5G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_2_5GB;
- break;
- case ETH_SPEED_NUM_5G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_5GB;
- break;
- case ETH_SPEED_NUM_10G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_10GB;
- break;
- case ETH_SPEED_NUM_20G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_20GB;
- break;
- case ETH_SPEED_NUM_25G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_25GB;
- break;
- case ETH_SPEED_NUM_40G:
- vf->link_speed = VIRTCHNL_LINK_SPEED_40GB;
- break;
- default:
- vf->link_speed = VIRTCHNL_LINK_SPEED_UNKNOWN;
- break;
- }
- } else {
- vf->link_up =
- pf_msg->event_data.link_event.link_status;
- vf->link_speed =
- pf_msg->event_data.link_event.link_speed;
- }
-
- i40evf_dev_link_update(dev, 0);
- rte_eth_dev_callback_process(dev,
- RTE_ETH_EVENT_INTR_LSC, NULL);
- break;
- case 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 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 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 == 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 ((volatile uint32_t)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(DEBUG, "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_alarm_handler(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))
- 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_eal_alarm_set(I40EVF_ALARM_INTERVAL,
- i40evf_dev_alarm_handler, dev);
-}
-
-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 = RTE_ETH_DEV_TO_PCI(eth_dev);
-
- PMD_INIT_FUNC_TRACE();
-
- /* assign ops func pointer */
- eth_dev->dev_ops = &i40evf_eth_dev_ops;
- eth_dev->rx_queue_count = i40e_dev_rx_queue_count;
- eth_dev->rx_descriptor_done = i40e_dev_rx_descriptor_done;
- eth_dev->rx_descriptor_status = i40e_dev_rx_descriptor_status;
- eth_dev->tx_descriptor_status = i40e_dev_tx_descriptor_status;
- 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;
- }
- i40e_set_default_ptype_table(eth_dev);
- rte_eth_copy_pci_info(eth_dev, pci_dev);
- eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
-
- 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 = 1;
- hw->adapter_closed = 0;
-
- if(i40evf_init_vf(eth_dev) != 0) {
- PMD_INIT_LOG(ERR, "Init vf failed");
- return -1;
- }
-
- i40e_set_default_pctype_table(eth_dev);
- rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
- i40evf_dev_alarm_handler, eth_dev);
-
- /* configure and enable device interrupt */
- i40evf_enable_irq0(hw);
-
- /* copy mac addr */
- eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
- RTE_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",
- RTE_ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX);
- return -ENOMEM;
- }
- rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
- ð_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;
-
- if (i40evf_uninit_vf(eth_dev) != 0) {
- PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
- return -1;
- }
-
- return 0;
-}
-
-static int
-i40evf_check_driver_handler(__rte_unused const char *key,
- const char *value, __rte_unused void *opaque)
-{
- if (strcmp(value, "i40evf"))
- return -1;
-
- return 0;
-}
-
-static int
-i40evf_driver_selected(struct rte_devargs *devargs)
-{
- struct rte_kvargs *kvlist;
- int ret = 0;
-
- if (devargs == NULL)
- return 0;
-
- kvlist = rte_kvargs_parse(devargs->args, NULL);
- if (kvlist == NULL)
- return 0;
-
- if (!rte_kvargs_count(kvlist, RTE_DEVARGS_KEY_DRIVER))
- goto exit;
-
- /* i40evf driver selected when there's a key-value pair:
- * driver=i40evf
- */
- if (rte_kvargs_process(kvlist, RTE_DEVARGS_KEY_DRIVER,
- i40evf_check_driver_handler, NULL) < 0)
- goto exit;
-
- ret = 1;
-
-exit:
- rte_kvargs_free(kvlist);
- return ret;
-}
-
-static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
- struct rte_pci_device *pci_dev)
-{
- if (!i40evf_driver_selected(pci_dev->device.devargs))
- return 1;
-
- return rte_eth_dev_pci_generic_probe(pci_dev,
- sizeof(struct i40e_adapter), i40evf_dev_init);
-}
-
-static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
-{
- return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
-}
-
-/*
- * virtual function driver struct
- */
-static struct rte_pci_driver rte_i40evf_pmd = {
- .id_table = pci_id_i40evf_map,
- .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
- .probe = eth_i40evf_pci_probe,
- .remove = eth_i40evf_pci_remove,
-};
-
-RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
-RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
-RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
-RTE_PMD_REGISTER_PARAM_STRING(net_i40e_vf, "driver=i40evf");
-
-static int
-i40evf_dev_configure(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct i40e_adapter *ad =
- I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
- uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
- dev->data->nb_tx_queues);
-
- /* 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;
-
- dev->data->dev_conf.intr_conf.lsc =
- !!(dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC);
-
- if (num_queue_pairs > vf->vsi_res->num_queue_pairs) {
- struct i40e_hw *hw;
- int ret;
-
- if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- PMD_DRV_LOG(ERR,
- "For secondary processes, change queue pairs is not supported!");
- return -ENOTSUP;
- }
-
- hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- if (!hw->adapter_stopped) {
- PMD_DRV_LOG(ERR, "Device must be stopped first!");
- return -EBUSY;
- }
-
- PMD_DRV_LOG(INFO, "change queue pairs from %u to %u",
- vf->vsi_res->num_queue_pairs, num_queue_pairs);
- ret = i40evf_request_queues(dev, num_queue_pairs);
- if (ret != 0)
- return ret;
-
- ret = i40evf_dev_reset(dev);
- if (ret != 0)
- return ret;
- }
-
- return i40evf_init_vlan(dev);
-}
-
-static int
-i40evf_init_vlan(struct rte_eth_dev *dev)
-{
- /* Apply vlan offload setting */
- i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
-
- return 0;
-}
-
-static int
-i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
-{
- struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
- return -ENOTSUP;
-
- /* Vlan stripping setting */
- if (mask & ETH_VLAN_STRIP_MASK) {
- /* Enable or disable VLAN stripping */
- if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
- i40evf_enable_vlan_strip(dev);
- else
- i40evf_disable_vlan_strip(dev);
- }
-
- 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;
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-
- PMD_INIT_FUNC_TRACE();
-
- 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);
- return err;
- }
- dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
-
- return 0;
-}
-
-static int
-i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
-{
- struct i40e_rx_queue *rxq;
- int err;
-
- 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;
-
- PMD_INIT_FUNC_TRACE();
-
- /* 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);
- return err;
- }
- dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
-
- return 0;
-}
-
-static int
-i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
-{
- struct i40e_tx_queue *txq;
- int err;
-
- 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.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
- if (rxq->max_pkt_len <= I40E_ETH_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)I40E_ETH_MAX_LEN,
- (uint32_t)I40E_FRAME_SIZE_MAX);
- return I40E_ERR_CONFIG;
- }
- } else {
- if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN ||
- rxq->max_pkt_len > I40E_ETH_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)RTE_ETHER_MIN_LEN,
- (uint32_t)I40E_ETH_MAX_LEN);
- return I40E_ERR_CONFIG;
- }
- }
-
- if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
- rxq->max_pkt_len > 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_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_pci_device *pci_dev = RTE_ETH_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;
- }
-
- I40EVF_WRITE_FLUSH(hw);
-}
-
-static inline void
-i40evf_disable_queues_intr(struct rte_eth_dev *dev)
-{
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_pci_device *pci_dev = RTE_ETH_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;
- }
-
- 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 = RTE_ETH_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(0, 0);
- 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);
-
- 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 = RTE_ETH_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 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 rte_ether_addr *addr;
- struct vf_cmd_info args;
-
- do {
- j = 0;
- len = sizeof(struct virtchnl_ether_addr_list);
- for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
- if (rte_is_zero_ether_addr(&dev->data->mac_addrs[i]))
- continue;
- len += sizeof(struct virtchnl_ether_addr);
- if (len >= I40E_AQ_BUF_SZ) {
- next_begin = i + 1;
- break;
- }
- }
-
- list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
- if (!list) {
- PMD_DRV_LOG(ERR, "fail to allocate memory");
- return;
- }
-
- for (i = begin; i < next_begin; i++) {
- addr = &dev->data->mac_addrs[i];
- if (rte_is_zero_ether_addr(addr))
- continue;
- rte_memcpy(list->list[j].addr, addr->addr_bytes,
- sizeof(addr->addr_bytes));
- list->list[j].type = (j == 0 ?
- VIRTCHNL_ETHER_ADDR_PRIMARY :
- VIRTCHNL_ETHER_ADDR_EXTRA);
- PMD_DRV_LOG(DEBUG, "add/rm mac:" RTE_ETHER_ADDR_PRT_FMT,
- RTE_ETHER_ADDR_BYTES(addr));
- j++;
- }
- list->vsi_id = vf->vsi_res->vsi_id;
- list->num_elements = j;
- args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
- VIRTCHNL_OP_DEL_ETH_ADDR;
- 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");
- } else {
- if (add)
- vf->vsi.mac_num++;
- else
- vf->vsi.mac_num--;
- }
- 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 = RTE_ETH_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 (rte_intr_cap_multiple(intr_handle) &&
- dev->data->dev_conf.intr_conf.rxq) {
- 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_vsi_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);
- /* Set all multicast addresses */
- i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
- TRUE);
-
- if (i40evf_start_queues(dev) != 0) {
- PMD_DRV_LOG(ERR, "enable queues failed");
- goto err_mac;
- }
-
- /* only enable interrupt in rx interrupt mode */
- if (dev->data->dev_conf.intr_conf.rxq != 0)
- rte_intr_enable(intr_handle);
-
- i40evf_enable_queues_intr(dev);
-
- return 0;
-
-err_mac:
- i40evf_add_del_all_mac_addr(dev, FALSE);
- i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
- FALSE);
-err_queue:
- return -1;
-}
-
-static int
-i40evf_dev_stop(struct rte_eth_dev *dev)
-{
- struct rte_pci_device *pci_dev = RTE_ETH_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);
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- PMD_INIT_FUNC_TRACE();
-
- if (dev->data->dev_conf.intr_conf.rxq != 0)
- rte_intr_disable(intr_handle);
-
- if (hw->adapter_stopped == 1)
- return 0;
- 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);
- /* remove all multicast addresses */
- i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
- FALSE);
- hw->adapter_stopped = 1;
- dev->data->dev_started = 0;
-
- return 0;
-}
-
-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
- */
-
- memset(&new_link, 0, sizeof(new_link));
- /* 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_25GB:
- new_link.link_speed = ETH_SPEED_NUM_25G;
- break;
- case I40E_LINK_SPEED_40GB:
- new_link.link_speed = ETH_SPEED_NUM_40G;
- break;
- default:
- if (vf->link_up)
- new_link.link_speed = ETH_SPEED_NUM_UNKNOWN;
- else
- new_link.link_speed = ETH_SPEED_NUM_NONE;
- 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;
- new_link.link_autoneg =
- !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
-
- return rte_eth_linkstatus_set(dev, &new_link);
-}
-
-static int
-i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- return i40evf_config_promisc(dev, true, vf->promisc_multicast_enabled);
-}
-
-static int
-i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- return i40evf_config_promisc(dev, false, vf->promisc_multicast_enabled);
-}
-
-static int
-i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- return i40evf_config_promisc(dev, vf->promisc_unicast_enabled, true);
-}
-
-static int
-i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-
- return i40evf_config_promisc(dev, vf->promisc_unicast_enabled, false);
-}
-
-static int
-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);
-
- dev_info->max_rx_queues = I40E_MAX_QP_NUM_PER_VF;
- dev_info->max_tx_queues = I40E_MAX_QP_NUM_PER_VF;
- dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
- dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
- dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD;
- dev_info->min_mtu = RTE_ETHER_MIN_MTU;
- 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 = vf->adapter->flow_types_mask;
- dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
- dev_info->rx_queue_offload_capa = 0;
- 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_RX_OFFLOAD_OUTER_IPV4_CKSUM |
- DEV_RX_OFFLOAD_SCATTER |
- DEV_RX_OFFLOAD_JUMBO_FRAME |
- DEV_RX_OFFLOAD_VLAN_FILTER;
-
- dev_info->tx_queue_offload_capa = 0;
- 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_TX_OFFLOAD_OUTER_IPV4_CKSUM |
- DEV_TX_OFFLOAD_TCP_TSO |
- DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
- DEV_TX_OFFLOAD_GRE_TNL_TSO |
- DEV_TX_OFFLOAD_IPIP_TNL_TSO |
- DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
- DEV_TX_OFFLOAD_MULTI_SEGS;
-
- 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,
- .offloads = 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,
- .offloads = 0,
- };
-
- 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,
- };
-
- return 0;
-}
-
-static int
-i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
-{
- int ret;
- struct i40e_eth_stats *pstats = NULL;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- struct i40e_vsi *vsi = &vf->vsi;
-
- ret = i40evf_query_stats(dev, &pstats);
- if (ret == 0) {
- i40evf_update_stats(vsi, pstats);
-
- 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->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
- stats->obytes = pstats->tx_bytes;
- } else {
- PMD_DRV_LOG(ERR, "Get statistics failed");
- }
- return ret;
-}
-
-static int
-i40evf_dev_close(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 rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- int ret;
-
- if (rte_eal_process_type() != RTE_PROC_PRIMARY)
- return 0;
-
- ret = i40evf_dev_stop(dev);
-
- i40e_dev_free_queues(dev);
- /*
- * disable promiscuous mode before reset vf
- * it is a workaround solution when work with kernel driver
- * and it is not the normal way
- */
- if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
- i40evf_config_promisc(dev, false, false);
-
- rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
-
- i40evf_reset_vf(dev);
- i40e_shutdown_adminq(hw);
- i40evf_disable_irq0(hw);
-
- /*
- * If the VF is reset via VFLR, the device will be knocked out of bus
- * master mode, and the driver will fail to recover from the reset. Fix
- * this by enabling bus mastering after every reset. In a non-VFLR case,
- * the bus master bit will not be disabled, and this call will have no
- * effect.
- */
- if (vf->vf_reset && !rte_pci_set_bus_master(pci_dev, true))
- vf->vf_reset = false;
-
- rte_free(vf->vf_res);
- vf->vf_res = NULL;
- rte_free(vf->aq_resp);
- vf->aq_resp = NULL;
-
- hw->adapter_closed = 1;
- return ret;
-}
-
-/*
- * Reset VF device only to re-initialize resources in PMD layer
- */
-static int
-i40evf_dev_reset(struct rte_eth_dev *dev)
-{
- int ret;
-
- ret = i40evf_dev_uninit(dev);
- if (ret)
- return ret;
-
- ret = i40evf_dev_init(dev);
-
- return ret;
-}
-
-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 hena;
- int ret;
-
- ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
- rss_conf->rss_key_len);
- if (ret)
- return ret;
-
- hena = i40e_config_hena(vf->adapter, rss_conf->rss_hf);
- 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);
-
- i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), 0);
- i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), 0);
- 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;
- uint32_t rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
- uint16_t num;
- uint8_t *lut_info;
- int ret;
-
- 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 */
- if (!(vf->flags & I40E_FLAG_RSS_AQ_CAPABLE)) {
- 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);
- }
- } else {
- lut_info = rte_zmalloc("i40e_rss_lut", rss_lut_size, 0);
- if (!lut_info) {
- PMD_DRV_LOG(ERR, "No memory can be allocated");
- return -ENOMEM;
- }
-
- for (i = 0; i < rss_lut_size; i++)
- lut_info[i] = i % num;
-
- ret = i40evf_set_rss_lut(&vf->vsi, lut_info,
- rss_lut_size);
- rte_free(lut_info);
- if (ret)
- return ret;
- }
-
- rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
- if ((rss_conf.rss_hf & vf->adapter->flow_types_mask) == 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 & vf->adapter->flow_types_mask;
- 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 & vf->adapter->pctypes_mask)) { /* 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(vf->adapter, 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 + I40E_ETH_OVERHEAD;
- int ret = 0;
-
- /* check if mtu is within the allowed range */
- if (mtu < RTE_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 > I40E_ETH_MAX_LEN)
- dev_data->dev_conf.rxmode.offloads |=
- DEV_RX_OFFLOAD_JUMBO_FRAME;
- else
- dev_data->dev_conf.rxmode.offloads &=
- ~DEV_RX_OFFLOAD_JUMBO_FRAME;
- dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
-
- return ret;
-}
-
-static int
-i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
- struct rte_ether_addr *mac_addr)
-{
- struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
- struct rte_ether_addr *old_addr;
- int ret;
-
- old_addr = (struct rte_ether_addr *)hw->mac.addr;
-
- if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
- PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
- return -EINVAL;
- }
-
- if (rte_is_same_ether_addr(old_addr, mac_addr))
- return 0;
-
- i40evf_add_del_eth_addr(dev, old_addr, FALSE, VIRTCHNL_ETHER_ADDR_PRIMARY);
-
- ret = i40evf_add_del_eth_addr(dev, mac_addr, TRUE, VIRTCHNL_ETHER_ADDR_PRIMARY);
- if (ret)
- return -EIO;
-
- rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
- return 0;
-}
-
-static int
-i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
- struct rte_ether_addr *mc_addrs,
- uint32_t mc_addrs_num, bool add)
-{
- struct virtchnl_ether_addr_list *list;
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) +
- (I40E_NUM_MACADDR_MAX * sizeof(struct virtchnl_ether_addr))];
- uint32_t i;
- int err;
- struct vf_cmd_info args;
-
- if (mc_addrs == NULL || mc_addrs_num == 0)
- return 0;
-
- if (mc_addrs_num > I40E_NUM_MACADDR_MAX)
- return -EINVAL;
-
- list = (struct virtchnl_ether_addr_list *)cmd_buffer;
- list->vsi_id = vf->vsi_res->vsi_id;
- list->num_elements = mc_addrs_num;
-
- for (i = 0; i < mc_addrs_num; i++) {
- if (!I40E_IS_MULTICAST(mc_addrs[i].addr_bytes)) {
- PMD_DRV_LOG(ERR, "Invalid mac:" RTE_ETHER_ADDR_PRT_FMT,
- RTE_ETHER_ADDR_BYTES(&mc_addrs[i]));
- return -EINVAL;
- }
-
- memcpy(list->list[i].addr, mc_addrs[i].addr_bytes,
- sizeof(list->list[i].addr));
- list->list[i].type = VIRTCHNL_ETHER_ADDR_EXTRA;
- }
-
- args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
- args.in_args = cmd_buffer;
- args.in_args_size = sizeof(struct virtchnl_ether_addr_list) +
- i * sizeof(struct virtchnl_ether_addr);
- 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_ETH_ADDR" : "OP_DEL_ETH_ADDR");
- return err;
- }
-
- return 0;
-}
-
-static int
-i40evf_set_mc_addr_list(struct rte_eth_dev *dev,
- struct rte_ether_addr *mc_addrs,
- uint32_t mc_addrs_num)
-{
- struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
- int err;
-
- /* flush previous addresses */
- err = i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
- FALSE);
- if (err)
- return err;
-
- vf->mc_addrs_num = 0;
-
- /* add new ones */
- err = i40evf_add_del_mc_addr_list(dev, mc_addrs, mc_addrs_num,
- TRUE);
- if (err)
- return err;
-
- vf->mc_addrs_num = mc_addrs_num;
- memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
-
- return 0;
-}
-
-bool
-is_i40evf_supported(struct rte_eth_dev *dev)
-{
- return is_device_supported(dev, &rte_i40evf_pmd);
-}
git.droids-corp.org / dpdk.git / commitdiff