diff options
Diffstat (limited to 'src/dpdk_lib18/librte_pmd_i40e/i40e_ethdev_vf.c')
| -rwxr-xr-x | src/dpdk_lib18/librte_pmd_i40e/i40e_ethdev_vf.c | 1897 |
1 files changed, 0 insertions, 1897 deletions
diff --git a/src/dpdk_lib18/librte_pmd_i40e/i40e_ethdev_vf.c b/src/dpdk_lib18/librte_pmd_i40e/i40e_ethdev_vf.c deleted file mode 100755 index fe46cf12..00000000 --- a/src/dpdk_lib18/librte_pmd_i40e/i40e_ethdev_vf.c +++ /dev/null @@ -1,1897 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/queue.h> -#include <stdio.h> -#include <errno.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <stdarg.h> -#include <inttypes.h> -#include <rte_byteorder.h> -#include <rte_common.h> -#include <rte_cycles.h> - -#include <rte_interrupts.h> -#include <rte_log.h> -#include <rte_debug.h> -#include <rte_pci.h> -#include <rte_atomic.h> -#include <rte_branch_prediction.h> -#include <rte_memory.h> -#include <rte_memzone.h> -#include <rte_tailq.h> -#include <rte_eal.h> -#include <rte_alarm.h> -#include <rte_ether.h> -#include <rte_ethdev.h> -#include <rte_atomic.h> -#include <rte_malloc.h> -#include <rte_dev.h> - -#include "i40e_logs.h" -#include "i40e/i40e_prototype.h" -#include "i40e/i40e_adminq_cmd.h" -#include "i40e/i40e_type.h" - -#include "i40e_rxtx.h" -#include "i40e_ethdev.h" -#include "i40e_pf.h" -#define I40EVF_VSI_DEFAULT_MSIX_INTR 1 - -/* busy wait delay in msec */ -#define I40EVF_BUSY_WAIT_DELAY 10 -#define I40EVF_BUSY_WAIT_COUNT 50 -#define MAX_RESET_WAIT_CNT 20 - -struct i40evf_arq_msg_info { - enum i40e_virtchnl_ops ops; - enum i40e_status_code result; - uint16_t 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 */ -}; - -/* A share buffer to store the command result from PF driver */ -static uint8_t cmd_result_buffer[I40E_AQ_BUF_SZ]; - -static int i40evf_dev_configure(struct rte_eth_dev *dev); -static int i40evf_dev_start(struct rte_eth_dev *dev); -static void i40evf_dev_stop(struct rte_eth_dev *dev); -static void i40evf_dev_info_get(struct rte_eth_dev *dev, - struct rte_eth_dev_info *dev_info); -static int i40evf_dev_link_update(struct rte_eth_dev *dev, - __rte_unused int wait_to_complete); -static void i40evf_dev_stats_get(struct rte_eth_dev *dev, - struct rte_eth_stats *stats); -static int i40evf_vlan_filter_set(struct rte_eth_dev *dev, - uint16_t vlan_id, int on); -static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask); -static int i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, - int on); -static void i40evf_dev_close(struct rte_eth_dev *dev); -static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev); -static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev); -static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev); -static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev); -static int i40evf_get_link_status(struct rte_eth_dev *dev, - struct rte_eth_link *link); -static int i40evf_init_vlan(struct rte_eth_dev *dev); -static int i40evf_dev_rx_queue_start(struct rte_eth_dev *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_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); - -/* Default hash key buffer for RSS */ -static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1]; - -static struct eth_dev_ops i40evf_eth_dev_ops = { - .dev_configure = i40evf_dev_configure, - .dev_start = i40evf_dev_start, - .dev_stop = i40evf_dev_stop, - .promiscuous_enable = i40evf_dev_promiscuous_enable, - .promiscuous_disable = i40evf_dev_promiscuous_disable, - .allmulticast_enable = i40evf_dev_allmulticast_enable, - .allmulticast_disable = i40evf_dev_allmulticast_disable, - .link_update = i40evf_dev_link_update, - .stats_get = i40evf_dev_stats_get, - .dev_close = i40evf_dev_close, - .dev_infos_get = i40evf_dev_info_get, - .vlan_filter_set = i40evf_vlan_filter_set, - .vlan_offload_set = i40evf_vlan_offload_set, - .vlan_pvid_set = i40evf_vlan_pvid_set, - .rx_queue_start = i40evf_dev_rx_queue_start, - .rx_queue_stop = i40evf_dev_rx_queue_stop, - .tx_queue_start = i40evf_dev_tx_queue_start, - .tx_queue_stop = i40evf_dev_tx_queue_stop, - .rx_queue_setup = i40e_dev_rx_queue_setup, - .rx_queue_release = i40e_dev_rx_queue_release, - .tx_queue_setup = i40e_dev_tx_queue_setup, - .tx_queue_release = i40e_dev_tx_queue_release, - .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, -}; - -static int -i40evf_set_mac_type(struct i40e_hw *hw) -{ - int status = I40E_ERR_DEVICE_NOT_SUPPORTED; - - if (hw->vendor_id == I40E_INTEL_VENDOR_ID) { - switch (hw->device_id) { - case I40E_DEV_ID_VF: - case I40E_DEV_ID_VF_HV: - hw->mac.type = I40E_MAC_VF; - status = I40E_SUCCESS; - break; - default: - ; - } - } - - return status; -} - -/* - * Parse admin queue message. - * - * return value: - * < 0: meet error - * 0: read sys msg - * > 0: read cmd result - */ -static enum i40evf_aq_result -i40evf_parse_pfmsg(struct i40e_vf *vf, - struct i40e_arq_event_info *event, - struct i40evf_arq_msg_info *data) -{ - enum i40e_virtchnl_ops opcode = (enum i40e_virtchnl_ops)\ - rte_le_to_cpu_32(event->desc.cookie_high); - enum i40e_status_code retval = (enum i40e_status_code)\ - rte_le_to_cpu_32(event->desc.cookie_low); - enum i40evf_aq_result ret = I40EVF_MSG_CMD; - - /* pf sys event */ - if (opcode == I40E_VIRTCHNL_OP_EVENT) { - struct i40e_virtchnl_pf_event *vpe = - (struct i40e_virtchnl_pf_event *)event->msg_buf; - - /* Initialize ret to sys event */ - ret = I40EVF_MSG_SYS; - switch (vpe->event) { - case I40E_VIRTCHNL_EVENT_LINK_CHANGE: - vf->link_up = - vpe->event_data.link_event.link_status; - vf->pend_msg |= PFMSG_LINK_CHANGE; - PMD_DRV_LOG(INFO, "Link status update:%s", - 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 */ - ret = I40EVF_MSG_CMD; - /* Actual data length read from PF */ - data->msg_len = event->msg_len; - } - /* fill the ops and result to notify VF */ - data->result = retval; - data->ops = opcode; - - return ret; -} - -/* - * Read data in admin queue to get msg from pf driver - */ -static enum i40evf_aq_result -i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_arq_event_info event; - int ret; - enum i40evf_aq_result result = I40EVF_MSG_NON; - - event.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_NON; - else - result = I40EVF_MSG_ERR; - return result; - } - - /* Parse the event */ - result = i40evf_parse_pfmsg(vf, &event, data); - - return result; -} - -/* - * Polling read until command result return from pf driver or meet error. - */ -static int -i40evf_wait_cmd_done(struct rte_eth_dev *dev, - struct i40evf_arq_msg_info *data) -{ - int i = 0; - enum i40evf_aq_result ret; - -#define MAX_TRY_TIMES 10 -#define ASQ_DELAY_MS 50 - do { - /* Delay some time first */ - rte_delay_ms(ASQ_DELAY_MS); - ret = i40evf_read_pfmsg(dev, data); - if (ret == I40EVF_MSG_CMD) - return 0; - else if (ret == I40EVF_MSG_ERR) - return -1; - - /* If don't read msg or read sys event, continue */ - } while(i++ < MAX_TRY_TIMES); - - return -1; -} - -/** - * clear current command. Only call in case execute - * _atomic_set_cmd successfully. - */ -static inline void -_clear_cmd(struct i40e_vf *vf) -{ - rte_wmb(); - vf->pend_cmd = I40E_VIRTCHNL_OP_UNKNOWN; -} - -/* - * Check there is pending cmd in execution. If none, set new command. - */ -static inline int -_atomic_set_cmd(struct i40e_vf *vf, enum i40e_virtchnl_ops ops) -{ - int ret = rte_atomic32_cmpset(&vf->pend_cmd, - I40E_VIRTCHNL_OP_UNKNOWN, ops); - - if (!ret) - PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd); - - return !ret; -} - -static int -i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int err = -1; - struct i40evf_arq_msg_info info; - - if (_atomic_set_cmd(vf, args->ops)) - return -1; - - info.msg = args->out_buffer; - info.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); - return err; - } - - err = i40evf_wait_cmd_done(dev, &info); - /* read message and it's expected one */ - if (!err && args->ops == info.ops) - _clear_cmd(vf); - else if (err) - PMD_DRV_LOG(ERR, "Failed to read message from AdminQ"); - else if (args->ops != info.ops) - PMD_DRV_LOG(ERR, "command mismatch, expect %u, get %u", - args->ops, info.ops); - - return (err | info.result); -} - -/* - * Check API version with sync wait until version read or fail from admin queue - */ -static int -i40evf_check_api_version(struct rte_eth_dev *dev) -{ - struct i40e_virtchnl_version_info version, *pver; - int err; - struct vf_cmd_info args; - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - - version.major = I40E_VIRTCHNL_VERSION_MAJOR; - version.minor = I40E_VIRTCHNL_VERSION_MINOR; - - args.ops = I40E_VIRTCHNL_OP_VERSION; - args.in_args = (uint8_t *)&version; - args.in_args_size = sizeof(version); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - if (err) { - PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION"); - 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 len; - - args.ops = I40E_VIRTCHNL_OP_GET_VF_RESOURCES; - args.in_args = NULL; - args.in_args_size = 0; - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - - if (err) { - PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE"); - return err; - } - - len = sizeof(struct i40e_virtchnl_vf_resource) + - I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource); - - (void)rte_memcpy(vf->vf_res, args.out_buffer, - RTE_MIN(args.out_size, len)); - i40e_vf_parse_hw_config(hw, vf->vf_res); - - return 0; -} - -static int -i40evf_config_promisc(struct rte_eth_dev *dev, - bool enable_unicast, - bool enable_multicast) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int err; - struct vf_cmd_info args; - struct i40e_virtchnl_promisc_info promisc; - - promisc.flags = 0; - promisc.vsi_id = vf->vsi_res->vsi_id; - - if (enable_unicast) - promisc.flags |= I40E_FLAG_VF_UNICAST_PROMISC; - - if (enable_multicast) - promisc.flags |= I40E_FLAG_VF_MULTICAST_PROMISC; - - args.ops = I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE; - args.in_args = (uint8_t *)&promisc; - args.in_args_size = sizeof(promisc); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - - if (err) - PMD_DRV_LOG(ERR, "fail to execute command " - "CONFIG_PROMISCUOUS_MODE"); - return err; -} - -/* Configure vlan and double vlan offload. Use flag to specify which part to configure */ -static int -i40evf_config_vlan_offload(struct rte_eth_dev *dev, - bool enable_vlan_strip) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int err; - struct vf_cmd_info args; - struct i40e_virtchnl_vlan_offload_info offload; - - offload.vsi_id = vf->vsi_res->vsi_id; - offload.enable_vlan_strip = enable_vlan_strip; - - args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD; - args.in_args = (uint8_t *)&offload; - args.in_args_size = sizeof(offload); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_OFFLOAD"); - - return err; -} - -static int -i40evf_config_vlan_pvid(struct rte_eth_dev *dev, - struct i40e_vsi_vlan_pvid_info *info) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int err; - struct vf_cmd_info args; - struct i40e_virtchnl_pvid_info tpid_info; - - if (dev == NULL || info == NULL) { - PMD_DRV_LOG(ERR, "invalid parameters"); - return I40E_ERR_PARAM; - } - - memset(&tpid_info, 0, sizeof(tpid_info)); - tpid_info.vsi_id = vf->vsi_res->vsi_id; - (void)rte_memcpy(&tpid_info.info, info, sizeof(*info)); - - args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_PVID; - args.in_args = (uint8_t *)&tpid_info; - args.in_args_size = sizeof(tpid_info); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_PVID"); - - 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) { - struct rte_pktmbuf_pool_private *mbp_priv; - - rxq_info->ring_len = rxq->nb_rx_desc; - rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr; - mbp_priv = rte_mempool_get_priv(rxq->mp); - rxq_info->databuffer_size = - mbp_priv->mbuf_data_room_size - 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 = cmd_result_buffer; - 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\n"); - - 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 = cmd_result_buffer; - 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\n"); - - 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; - int i, err; - map_info = (struct i40e_virtchnl_irq_map_info *)cmd_buffer; - map_info->num_vectors = 1; - map_info->vecmap[0].rxitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2; - map_info->vecmap[0].txitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2; - map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id; - /* Alway use default dynamic MSIX interrupt */ - map_info->vecmap[0].vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR; - /* Don't map any tx queue */ - map_info->vecmap[0].txq_map = 0; - map_info->vecmap[0].rxq_map = 0; - for (i = 0; i < dev->data->nb_rx_queues; i++) - map_info->vecmap[0].rxq_map |= 1 << i; - - args.ops = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP; - args.in_args = (u8 *)cmd_buffer; - args.in_args_size = sizeof(cmd_buffer); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES"); - - return err; -} - -static int -i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid, - bool on) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_virtchnl_queue_select queue_select; - int err; - struct vf_cmd_info args; - memset(&queue_select, 0, sizeof(queue_select)); - queue_select.vsi_id = vf->vsi_res->vsi_id; - - if (isrx) - queue_select.rx_queues |= 1 << qid; - else - queue_select.tx_queues |= 1 << qid; - - if (on) - args.ops = I40E_VIRTCHNL_OP_ENABLE_QUEUES; - else - args.ops = I40E_VIRTCHNL_OP_DISABLE_QUEUES; - args.in_args = (u8 *)&queue_select; - args.in_args_size = sizeof(queue_select); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to switch %s %u %s", - 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 start 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 start queue %u", i); - return -1; - } - } - - return 0; -} - -static int -i40evf_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr) -{ - struct i40e_virtchnl_ether_addr_list *list; - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \ - sizeof(struct i40e_virtchnl_ether_addr)]; - int err; - struct vf_cmd_info args; - - if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) { - PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x", - addr->addr_bytes[0], addr->addr_bytes[1], - addr->addr_bytes[2], addr->addr_bytes[3], - addr->addr_bytes[4], addr->addr_bytes[5]); - return -1; - } - - list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer; - list->vsi_id = vf->vsi_res->vsi_id; - list->num_elements = 1; - (void)rte_memcpy(list->list[0].addr, addr->addr_bytes, - sizeof(addr->addr_bytes)); - - args.ops = I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS; - args.in_args = cmd_buffer; - args.in_args_size = sizeof(cmd_buffer); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command " - "OP_ADD_ETHER_ADDRESS"); - - return err; -} - -static int -i40evf_del_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr) -{ - struct i40e_virtchnl_ether_addr_list *list; - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \ - sizeof(struct i40e_virtchnl_ether_addr)]; - int err; - struct vf_cmd_info args; - - if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) { - PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x", - addr->addr_bytes[0], addr->addr_bytes[1], - addr->addr_bytes[2], addr->addr_bytes[3], - addr->addr_bytes[4], addr->addr_bytes[5]); - return -1; - } - - list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer; - list->vsi_id = vf->vsi_res->vsi_id; - list->num_elements = 1; - (void)rte_memcpy(list->list[0].addr, addr->addr_bytes, - sizeof(addr->addr_bytes)); - - args.ops = I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS; - args.in_args = cmd_buffer; - args.in_args_size = sizeof(cmd_buffer); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command " - "OP_DEL_ETHER_ADDRESS"); - - return err; -} - -static int -i40evf_get_statics(struct rte_eth_dev *dev, struct rte_eth_stats *stats) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_virtchnl_queue_select q_stats; - struct i40e_eth_stats *pstats; - int err; - struct vf_cmd_info args; - - memset(&q_stats, 0, sizeof(q_stats)); - q_stats.vsi_id = vf->vsi_res->vsi_id; - args.ops = I40E_VIRTCHNL_OP_GET_STATS; - args.in_args = (u8 *)&q_stats; - args.in_args_size = sizeof(q_stats); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - - err = i40evf_execute_vf_cmd(dev, &args); - if (err) { - PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS"); - return err; - } - pstats = (struct i40e_eth_stats *)args.out_buffer; - stats->ipackets = pstats->rx_unicast + pstats->rx_multicast + - pstats->rx_broadcast; - stats->opackets = pstats->tx_broadcast + pstats->tx_multicast + - pstats->tx_unicast; - stats->ierrors = pstats->rx_discards; - stats->oerrors = pstats->tx_errors + pstats->tx_discards; - stats->ibytes = pstats->rx_bytes; - stats->obytes = pstats->tx_bytes; - - return 0; -} - -static int -i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_virtchnl_vlan_filter_list *vlan_list; - uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) + - sizeof(uint16_t)]; - int err; - struct vf_cmd_info args; - - vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer; - vlan_list->vsi_id = vf->vsi_res->vsi_id; - vlan_list->num_elements = 1; - vlan_list->vlan_id[0] = vlanid; - - args.ops = I40E_VIRTCHNL_OP_ADD_VLAN; - args.in_args = (u8 *)&cmd_buffer; - args.in_args_size = sizeof(cmd_buffer); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN"); - - return err; -} - -static int -i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_virtchnl_vlan_filter_list *vlan_list; - uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) + - sizeof(uint16_t)]; - int err; - struct vf_cmd_info args; - - vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer; - vlan_list->vsi_id = vf->vsi_res->vsi_id; - vlan_list->num_elements = 1; - vlan_list->vlan_id[0] = vlanid; - - args.ops = I40E_VIRTCHNL_OP_DEL_VLAN; - args.in_args = (u8 *)&cmd_buffer; - args.in_args_size = sizeof(cmd_buffer); - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) - PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN"); - - return err; -} - -static int -i40evf_get_link_status(struct rte_eth_dev *dev, struct rte_eth_link *link) -{ - int err; - struct vf_cmd_info args; - struct rte_eth_link *new_link; - - args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_GET_LINK_STAT; - args.in_args = NULL; - args.in_args_size = 0; - args.out_buffer = cmd_result_buffer; - args.out_size = I40E_AQ_BUF_SZ; - err = i40evf_execute_vf_cmd(dev, &args); - if (err) { - PMD_DRV_LOG(ERR, "fail to execute command OP_GET_LINK_STAT"); - return err; - } - - new_link = (struct rte_eth_link *)args.out_buffer; - (void)rte_memcpy(link, new_link, sizeof(*link)); - - return 0; -} - -static struct rte_pci_id pci_id_i40evf_map[] = { -#define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)}, -#include "rte_pci_dev_ids.h" -{ .vendor_id = 0, /* sentinel */ }, -}; - -static inline int -i40evf_dev_atomic_write_link_status(struct rte_eth_dev *dev, - struct rte_eth_link *link) -{ - struct rte_eth_link *dst = &(dev->data->dev_link); - struct rte_eth_link *src = link; - - if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst, - *(uint64_t *)src) == 0) - return -1; - - return 0; -} - -static int -i40evf_reset_vf(struct i40e_hw *hw) -{ - int i, reset; - - if (i40e_vf_reset(hw) != I40E_SUCCESS) { - PMD_INIT_LOG(ERR, "Reset VF NIC failed"); - 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); - - vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); - vf->dev_data = dev->data; - err = i40evf_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; - } - 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; - } - - vf->vsi.vsi_id = vf->vsi_res->vsi_id; - vf->vsi.type = vf->vsi_res->vsi_type; - vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs; - - /* check mac addr, if it's not valid, genrate one */ - if (I40E_SUCCESS != i40e_validate_mac_addr(\ - vf->vsi_res->default_mac_addr)) - eth_random_addr(vf->vsi_res->default_mac_addr); - - ether_addr_copy((struct ether_addr *)vf->vsi_res->default_mac_addr, - (struct ether_addr *)hw->mac.addr); - - return 0; - -err_alloc: - rte_free(vf->vf_res); -err_aq: - i40e_shutdown_adminq(hw); /* ignore error */ -err: - return -1; -} - -static int -i40evf_dev_init(__rte_unused struct eth_driver *eth_drv, - struct rte_eth_dev *eth_dev) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(\ - eth_dev->data->dev_private); - - PMD_INIT_FUNC_TRACE(); - - /* assign ops func pointer */ - eth_dev->dev_ops = &i40evf_eth_dev_ops; - eth_dev->rx_pkt_burst = &i40e_recv_pkts; - eth_dev->tx_pkt_burst = &i40e_xmit_pkts; - - /* - * For secondary processes, we don't initialise any further as primary - * has already done this work. - */ - if (rte_eal_process_type() != RTE_PROC_PRIMARY){ - if (eth_dev->data->scattered_rx) - eth_dev->rx_pkt_burst = i40e_recv_scattered_pkts; - return 0; - } - - hw->vendor_id = eth_dev->pci_dev->id.vendor_id; - hw->device_id = eth_dev->pci_dev->id.device_id; - hw->subsystem_vendor_id = eth_dev->pci_dev->id.subsystem_vendor_id; - hw->subsystem_device_id = eth_dev->pci_dev->id.subsystem_device_id; - hw->bus.device = eth_dev->pci_dev->addr.devid; - hw->bus.func = eth_dev->pci_dev->addr.function; - hw->hw_addr = (void *)eth_dev->pci_dev->mem_resource[0].addr; - - if(i40evf_init_vf(eth_dev) != 0) { - PMD_INIT_LOG(ERR, "Init vf failed"); - return -1; - } - - /* copy mac addr */ - eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac", - ETHER_ADDR_LEN, 0); - if (eth_dev->data->mac_addrs == NULL) { - PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to " - "store MAC addresses", ETHER_ADDR_LEN); - return -ENOMEM; - } - ether_addr_copy((struct ether_addr *)hw->mac.addr, - (struct ether_addr *)eth_dev->data->mac_addrs); - - return 0; -} - -/* - * virtual function driver struct - */ -static struct eth_driver rte_i40evf_pmd = { - { - .name = "rte_i40evf_pmd", - .id_table = pci_id_i40evf_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING, - }, - .eth_dev_init = i40evf_dev_init, - .dev_private_size = sizeof(struct i40e_vf), -}; - -/* - * VF Driver initialization routine. - * Invoked one at EAL init time. - * Register itself as the [Virtual Poll Mode] Driver of PCI Fortville devices. - */ -static int -rte_i40evf_pmd_init(const char *name __rte_unused, - const char *params __rte_unused) -{ - PMD_INIT_FUNC_TRACE(); - - rte_eth_driver_register(&rte_i40evf_pmd); - - return 0; -} - -static struct rte_driver rte_i40evf_driver = { - .type = PMD_PDEV, - .init = rte_i40evf_pmd_init, -}; - -PMD_REGISTER_DRIVER(rte_i40evf_driver); - -static int -i40evf_dev_configure(struct rte_eth_dev *dev) -{ - return i40evf_init_vlan(dev); -} - -static int -i40evf_init_vlan(struct rte_eth_dev *dev) -{ - struct rte_eth_dev_data *data = dev->data; - int ret; - - /* Apply vlan offload setting */ - i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK); - - /* Apply pvid setting */ - ret = i40evf_vlan_pvid_set(dev, data->dev_conf.txmode.pvid, - data->dev_conf.txmode.hw_vlan_insert_pvid); - return ret; -} - -static void -i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask) -{ - bool enable_vlan_strip = 0; - struct rte_eth_conf *dev_conf = &dev->data->dev_conf; - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - - /* Linux pf host doesn't support vlan offload yet */ - if (vf->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); - } - - 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); - } - - 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); - } - - return err; -} - -static int -i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) -{ - struct i40e_tx_queue *txq; - int err; - - if (tx_queue_id < dev->data->nb_tx_queues) { - txq = dev->data->tx_queues[tx_queue_id]; - - err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE); - - if (err) { - PMD_DRV_LOG(ERR, "Failed to switch TX queue %u of", - tx_queue_id); - return err; - } - - i40e_tx_queue_release_mbufs(txq); - i40e_reset_tx_queue(txq); - } - - return 0; -} - -static int -i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) -{ - int ret; - - if (on) - ret = i40evf_add_vlan(dev, vlan_id); - else - ret = i40evf_del_vlan(dev,vlan_id); - - return ret; -} - -static int -i40evf_rx_init(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - uint16_t i; - struct i40e_rx_queue **rxq = - (struct i40e_rx_queue **)dev->data->rx_queues; - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - - i40evf_config_rss(vf); - for (i = 0; i < dev->data->nb_rx_queues; i++) { - rxq[i]->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(i); - I40E_PCI_REG_WRITE(rxq[i]->qrx_tail, rxq[i]->nb_rx_desc - 1); - } - - /* Flush the operation to write registers */ - I40EVF_WRITE_FLUSH(hw); - - return 0; -} - -static void -i40evf_tx_init(struct rte_eth_dev *dev) -{ - uint16_t i; - struct i40e_tx_queue **txq = - (struct i40e_tx_queue **)dev->data->tx_queues; - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - - for (i = 0; i < dev->data->nb_tx_queues; i++) - txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i); -} - -static inline void -i40evf_enable_queues_intr(struct i40e_hw *hw) -{ - I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1), - I40E_VFINT_DYN_CTLN1_INTENA_MASK | - I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); -} - -static inline void -i40evf_disable_queues_intr(struct i40e_hw *hw) -{ - I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1), - 0); -} - -static int -i40evf_dev_start(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct ether_addr mac_addr; - - PMD_INIT_FUNC_TRACE(); - - vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len; - if (dev->data->dev_conf.rxmode.jumbo_frame == 1) { - if (vf->max_pkt_len <= ETHER_MAX_LEN || - vf->max_pkt_len > I40E_FRAME_SIZE_MAX) { - PMD_DRV_LOG(ERR, "maximum packet length must " - "be larger than %u and smaller than %u," - "as jumbo frame is enabled", - (uint32_t)ETHER_MAX_LEN, - (uint32_t)I40E_FRAME_SIZE_MAX); - return I40E_ERR_CONFIG; - } - } else { - if (vf->max_pkt_len < ETHER_MIN_LEN || - vf->max_pkt_len > ETHER_MAX_LEN) { - PMD_DRV_LOG(ERR, "maximum packet length must be " - "larger than %u and smaller than %u, " - "as jumbo frame is disabled", - (uint32_t)ETHER_MIN_LEN, - (uint32_t)ETHER_MAX_LEN); - return I40E_ERR_CONFIG; - } - } - - vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues, - dev->data->nb_tx_queues); - - if (i40evf_rx_init(dev) != 0){ - PMD_DRV_LOG(ERR, "failed to do RX init"); - 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 mac addr */ - (void)rte_memcpy(mac_addr.addr_bytes, hw->mac.addr, - sizeof(mac_addr.addr_bytes)); - if (i40evf_add_mac_addr(dev, &mac_addr)) { - PMD_DRV_LOG(ERR, "Failed to add mac addr"); - goto err_queue; - } - - if (i40evf_start_queues(dev) != 0) { - PMD_DRV_LOG(ERR, "enable queues failed"); - goto err_mac; - } - - i40evf_enable_queues_intr(hw); - return 0; - -err_mac: - i40evf_del_mac_addr(dev, &mac_addr); -err_queue: - return -1; -} - -static void -i40evf_dev_stop(struct rte_eth_dev *dev) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - - PMD_INIT_FUNC_TRACE(); - - i40evf_disable_queues_intr(hw); - i40evf_stop_queues(dev); -} - -static int -i40evf_dev_link_update(struct rte_eth_dev *dev, - __rte_unused int wait_to_complete) -{ - struct rte_eth_link new_link; - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - /* - * DPDK pf host provide interfacet to acquire link status - * while Linux driver does not - */ - if (vf->version_major == I40E_DPDK_VERSION_MAJOR) - i40evf_get_link_status(dev, &new_link); - else { - /* Always assume it's up, for Linux driver PF host */ - new_link.link_duplex = ETH_LINK_AUTONEG_DUPLEX; - new_link.link_speed = ETH_LINK_SPEED_10000; - new_link.link_status = 1; - } - i40evf_dev_atomic_write_link_status(dev, &new_link); - - return 0; -} - -static void -i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int ret; - - /* If enabled, just return */ - if (vf->promisc_unicast_enabled) - return; - - ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled); - if (ret == 0) - vf->promisc_unicast_enabled = TRUE; -} - -static void -i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int ret; - - /* If disabled, just return */ - if (!vf->promisc_unicast_enabled) - return; - - ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled); - if (ret == 0) - vf->promisc_unicast_enabled = FALSE; -} - -static void -i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int ret; - - /* If enabled, just return */ - if (vf->promisc_multicast_enabled) - return; - - ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1); - if (ret == 0) - vf->promisc_multicast_enabled = TRUE; -} - -static void -i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - int ret; - - /* If enabled, just return */ - if (!vf->promisc_multicast_enabled) - return; - - ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0); - if (ret == 0) - vf->promisc_multicast_enabled = FALSE; -} - -static void -i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) -{ - struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); - - memset(dev_info, 0, sizeof(*dev_info)); - dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs; - dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs; - dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN; - dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX; - dev_info->reta_size = ETH_RSS_RETA_SIZE_64; - - 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, - }; -} - -static void -i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) -{ - memset(stats, 0, sizeof(*stats)); - if (i40evf_get_statics(dev, stats)) - PMD_DRV_LOG(ERR, "Get statics failed"); -} - -static void -i40evf_dev_close(struct rte_eth_dev *dev) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - - i40evf_dev_stop(dev); - i40evf_reset_vf(hw); - i40e_shutdown_adminq(hw); -} - -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_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t lut, l; - uint16_t i, j; - uint16_t idx, shift; - uint8_t mask; - - 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)\n", reta_size, ETH_RSS_RETA_SIZE_64); - return -EINVAL; - } - - for (i = 0; i < reta_size; i += I40E_4_BIT_WIDTH) { - idx = i / RTE_RETA_GROUP_SIZE; - shift = i % RTE_RETA_GROUP_SIZE; - mask = (uint8_t)((reta_conf[idx].mask >> shift) & - I40E_4_BIT_MASK); - if (!mask) - continue; - if (mask == I40E_4_BIT_MASK) - l = 0; - else - l = I40E_READ_REG(hw, I40E_VFQF_HLUT(i >> 2)); - - for (j = 0, lut = 0; j < I40E_4_BIT_WIDTH; j++) { - if (mask & (0x1 << j)) - lut |= reta_conf[idx].reta[shift + j] << - (CHAR_BIT * j); - else - lut |= l & (I40E_8_BIT_MASK << (CHAR_BIT * j)); - } - I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut); - } - - return 0; -} - -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_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t lut; - uint16_t i, j; - uint16_t idx, shift; - uint8_t mask; - - 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)\n", reta_size, ETH_RSS_RETA_SIZE_64); - return -EINVAL; - } - - for (i = 0; i < reta_size; i += I40E_4_BIT_WIDTH) { - idx = i / RTE_RETA_GROUP_SIZE; - shift = i % RTE_RETA_GROUP_SIZE; - mask = (uint8_t)((reta_conf[idx].mask >> shift) & - I40E_4_BIT_MASK); - if (!mask) - continue; - - lut = I40E_READ_REG(hw, I40E_VFQF_HLUT(i >> 2)); - for (j = 0; j < I40E_4_BIT_WIDTH; j++) { - if (mask & (0x1 << j)) - reta_conf[idx].reta[shift + j] = - ((lut >> (CHAR_BIT * j)) & - I40E_8_BIT_MASK); - } - } - - return 0; -} - -static int -i40evf_hw_rss_hash_set(struct i40e_hw *hw, struct rte_eth_rss_conf *rss_conf) -{ - uint32_t *hash_key; - uint8_t hash_key_len; - uint64_t rss_hf, hena; - - hash_key = (uint32_t *)(rss_conf->rss_key); - hash_key_len = rss_conf->rss_key_len; - if (hash_key != NULL && hash_key_len >= - (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) { - uint16_t i; - - for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++) - I40E_WRITE_REG(hw, I40E_VFQF_HKEY(i), hash_key[i]); - } - - rss_hf = rss_conf->rss_hf; - hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0)); - hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32; - hena &= ~I40E_RSS_HENA_ALL; - hena |= i40e_config_hena(rss_hf); - I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena); - I40E_WRITE_REG(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_REG(hw, I40E_VFQF_HENA(0)); - hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32; - hena &= ~I40E_RSS_HENA_ALL; - I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena); - I40E_WRITE_REG(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; - - if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) { - i40evf_disable_rss(vf); - PMD_DRV_LOG(DEBUG, "RSS not configured\n"); - return 0; - } - - /* Fill out the look up table */ - for (i = 0, j = 0; i < nb_q; i++, j++) { - if (j >= vf->num_queue_pairs) - 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\n"); - return 0; - } - - if (rss_conf.rss_key == NULL || rss_conf.rss_key_len < nb_q) { - /* 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 = nb_q; - } - - return i40evf_hw_rss_hash_set(hw, &rss_conf); -} - -static int -i40evf_dev_rss_hash_update(struct rte_eth_dev *dev, - struct rte_eth_rss_conf *rss_conf) -{ - 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_REG(hw, I40E_VFQF_HENA(0)); - hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32; - if (!(hena & 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(hw, rss_conf); -} - -static int -i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, - struct rte_eth_rss_conf *rss_conf) -{ - struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint32_t *hash_key = (uint32_t *)(rss_conf->rss_key); - uint64_t hena; - uint16_t i; - - if (hash_key) { - for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++) - hash_key[i] = I40E_READ_REG(hw, I40E_VFQF_HKEY(i)); - rss_conf->rss_key_len = i * sizeof(uint32_t); - } - hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0)); - hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32; - rss_conf->rss_hf = i40e_parse_hena(hena); - - return 0; -} |