X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fhns3%2Fhns3_ethdev_vf.c;h=6aa8a9b6ed43934da25b0cbe2cc95f9dba671898;hb=cdf3e4f3000fb26aa219e46315e75c0fa392cb70;hp=5f8a460f35cc6176b50d848cde9192f1a6fe0549;hpb=d7e8b721fccc855b1d7a61e1e06d0d6921cf34fd;p=dpdk.git diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index 5f8a460f35..6aa8a9b6ed 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -44,6 +44,9 @@ static int hns3vf_add_mc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr); static int hns3vf_remove_mc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr); +static int hns3vf_dev_link_update(struct rte_eth_dev *eth_dev, + __rte_unused int wait_to_complete); + /* set PCI bus mastering */ static int hns3vf_set_bus_master(const struct rte_pci_device *device, bool op) @@ -854,11 +857,6 @@ hns3vf_dev_configure(struct rte_eth_dev *dev) if (ret) goto cfg_err; - hns->rx_simple_allowed = true; - hns->rx_vec_allowed = true; - hns->tx_simple_allowed = true; - hns->tx_vec_allowed = true; - hns3_init_rx_ptype_tble(dev); hw->adapter_state = HNS3_NIC_CONFIGURED; @@ -1024,11 +1022,14 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) .offloads = 0, }; - info->vmdq_queue_num = 0; - info->reta_size = hw->rss_ind_tbl_size; info->hash_key_size = HNS3_RSS_KEY_SIZE; info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT; + + info->default_rxportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE; + info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE; + info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM; + info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM; info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC; info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC; @@ -1191,6 +1192,65 @@ hns3vf_query_dev_specifications(struct hns3_hw *hw) return hns3vf_check_dev_specifications(hw); } +void +hns3vf_update_push_lsc_cap(struct hns3_hw *hw, bool supported) +{ + uint16_t val = supported ? HNS3_PF_PUSH_LSC_CAP_SUPPORTED : + HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED; + uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN; + struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw); + + if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_UNKNOWN) + __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); +} + +static void +hns3vf_get_push_lsc_cap(struct hns3_hw *hw) +{ +#define HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS 500 + + struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id]; + int32_t remain_ms = HNS3_CHECK_PUSH_LSC_CAP_TIMEOUT_MS; + uint16_t val = HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED; + uint16_t exp = HNS3_PF_PUSH_LSC_CAP_UNKNOWN; + struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw); + + __atomic_store_n(&vf->pf_push_lsc_cap, HNS3_PF_PUSH_LSC_CAP_UNKNOWN, + __ATOMIC_RELEASE); + + (void)hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false, + NULL, 0); + + while (remain_ms > 0) { + rte_delay_ms(HNS3_POLL_RESPONE_MS); + if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) != + HNS3_PF_PUSH_LSC_CAP_UNKNOWN) + break; + remain_ms--; + } + + /* + * When exit above loop, the pf_push_lsc_cap could be one of the three + * state: unknown (means pf not ack), not_supported, supported. + * Here config it as 'not_supported' when it's 'unknown' state. + */ + __atomic_compare_exchange(&vf->pf_push_lsc_cap, &exp, &val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + + if (__atomic_load_n(&vf->pf_push_lsc_cap, __ATOMIC_ACQUIRE) == + HNS3_PF_PUSH_LSC_CAP_SUPPORTED) { + hns3_info(hw, "detect PF support push link status change!"); + } else { + /* + * Framework already set RTE_ETH_DEV_INTR_LSC bit because driver + * declared RTE_PCI_DRV_INTR_LSC in drv_flags. So here cleared + * the RTE_ETH_DEV_INTR_LSC capability. + */ + dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC; + } +} + static int hns3vf_get_capability(struct hns3_hw *hw) { @@ -1404,6 +1464,8 @@ hns3vf_get_configuration(struct hns3_hw *hw) return ret; } + hns3vf_get_push_lsc_cap(hw); + /* Get queue configuration from PF */ ret = hns3vf_get_queue_info(hw); if (ret) @@ -1451,15 +1513,27 @@ hns3vf_set_tc_queue_mapping(struct hns3_adapter *hns, uint16_t nb_rx_q, static void hns3vf_request_link_info(struct hns3_hw *hw) { - uint8_t resp_msg; + struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw); + bool send_req; int ret; if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) return; + + send_req = vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_NOT_SUPPORTED || + vf->req_link_info_cnt > 0; + if (!send_req) + return; + ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false, - &resp_msg, sizeof(resp_msg)); - if (ret) - hns3_err(hw, "Failed to fetch link status from PF: %d", ret); + NULL, 0); + if (ret) { + hns3_err(hw, "failed to fetch link status, ret = %d", ret); + return; + } + + if (vf->req_link_info_cnt > 0) + vf->req_link_info_cnt--; } void @@ -1467,34 +1541,30 @@ hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status, uint32_t link_speed, uint8_t link_duplex) { struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id]; + struct hns3_vf *vf = HNS3_DEV_HW_TO_VF(hw); struct hns3_mac *mac = &hw->mac; - bool report_lse; - bool changed; - - changed = mac->link_status != link_status || - mac->link_speed != link_speed || - mac->link_duplex != link_duplex; - if (!changed) - return; + int ret; /* - * VF's link status/speed/duplex were updated by polling from PF driver, - * because the link status/speed/duplex may be changed in the polling - * interval, so driver will report lse (lsc event) once any of the above - * thress variables changed. - * But if the PF's link status is down and driver saved link status is - * also down, there are no need to report lse. + * PF kernel driver may push link status when VF driver is in resetting, + * driver will stop polling job in this case, after resetting done + * driver will start polling job again. + * When polling job started, driver will get initial link status by + * sending request to PF kernel driver, then could update link status by + * process PF kernel driver's link status mailbox message. */ - report_lse = true; - if (link_status == ETH_LINK_DOWN && link_status == mac->link_status) - report_lse = false; + if (!__atomic_load_n(&vf->poll_job_started, __ATOMIC_RELAXED)) + return; + + if (hw->adapter_state != HNS3_NIC_STARTED) + return; mac->link_status = link_status; mac->link_speed = link_speed; mac->link_duplex = link_duplex; - - if (report_lse) - rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); + ret = hns3vf_dev_link_update(dev, 0); + if (ret == 0 && dev->data->dev_conf.intr_conf.lsc != 0) + hns3_start_report_lse(dev); } static int @@ -1688,11 +1758,10 @@ hns3vf_keep_alive_handler(void *param) struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param; struct hns3_adapter *hns = eth_dev->data->dev_private; struct hns3_hw *hw = &hns->hw; - uint8_t respmsg; int ret; ret = hns3_send_mbx_msg(hw, HNS3_MBX_KEEP_ALIVE, 0, NULL, 0, - false, &respmsg, sizeof(uint8_t)); + false, NULL, 0); if (ret) hns3_err(hw, "VF sends keeping alive cmd failed(=%d)", ret); @@ -1710,8 +1779,8 @@ hns3vf_service_handler(void *param) /* * The query link status and reset processing are executed in the - * interrupt thread.When the IMP reset occurs, IMP will not respond, - * and the query operation will time out after 30ms. In the case of + * interrupt thread. When the IMP reset occurs, IMP will not respond, + * and the query operation will timeout after 30ms. In the case of * multiple PF/VFs, each query failure timeout causes the IMP reset * interrupt to fail to respond within 100ms. * Before querying the link status, check whether there is a reset @@ -1726,6 +1795,31 @@ hns3vf_service_handler(void *param) eth_dev); } +static void +hns3vf_start_poll_job(struct rte_eth_dev *dev) +{ +#define HNS3_REQUEST_LINK_INFO_REMAINS_CNT 3 + + struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private); + + if (vf->pf_push_lsc_cap == HNS3_PF_PUSH_LSC_CAP_SUPPORTED) + vf->req_link_info_cnt = HNS3_REQUEST_LINK_INFO_REMAINS_CNT; + + __atomic_store_n(&vf->poll_job_started, 1, __ATOMIC_RELAXED); + + hns3vf_service_handler(dev); +} + +static void +hns3vf_stop_poll_job(struct rte_eth_dev *dev) +{ + struct hns3_vf *vf = HNS3_DEV_PRIVATE_TO_VF(dev->data->dev_private); + + rte_eal_alarm_cancel(hns3vf_service_handler, dev); + + __atomic_store_n(&vf->poll_job_started, 0, __ATOMIC_RELAXED); +} + static int hns3_query_vf_resource(struct hns3_hw *hw) { @@ -2032,7 +2126,8 @@ hns3vf_dev_stop(struct rte_eth_dev *dev) hw->adapter_state = HNS3_NIC_CONFIGURED; } hns3_rx_scattered_reset(dev); - rte_eal_alarm_cancel(hns3vf_service_handler, dev); + hns3vf_stop_poll_job(dev); + hns3_stop_report_lse(dev); rte_spinlock_unlock(&hw->lock); return 0; @@ -2089,8 +2184,11 @@ hns3vf_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version, HNS3_FW_VERSION_BYTE1_S), hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M, HNS3_FW_VERSION_BYTE0_S)); + if (ret < 0) + return -EINVAL; + ret += 1; /* add the size of '\0' */ - if (fw_size < (uint32_t)ret) + if (fw_size < (size_t)ret) return ret; else return 0; @@ -2302,19 +2400,17 @@ hns3vf_dev_start(struct rte_eth_dev *dev) hns3_rx_scattered_calc(dev); hns3_set_rxtx_function(dev); hns3_mp_req_start_rxtx(dev); - hns3vf_service_handler(dev); hns3vf_restore_filter(dev); /* Enable interrupt of all rx queues before enabling queues */ hns3_dev_all_rx_queue_intr_enable(hw, true); - - /* - * After finished the initialization, start all tqps to receive/transmit - * packets and refresh all queue status. - */ hns3_start_tqps(hw); + if (dev->data->dev_conf.intr_conf.lsc != 0) + hns3vf_dev_link_update(dev, 0); + hns3vf_start_poll_job(dev); + return ret; start_all_rxqs_fail: @@ -2373,7 +2469,8 @@ hns3vf_is_reset_pending(struct hns3_adapter *hns) /* Check the registers to confirm whether there is reset pending */ hns3vf_check_event_cause(hns, NULL); reset = hns3vf_get_reset_level(hw, &hw->reset.pending); - if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) { + if (hw->reset.level != HNS3_NONE_RESET && reset != HNS3_NONE_RESET && + hw->reset.level < reset) { hns3_warn(hw, "High level reset %d is pending", reset); return true; } @@ -2411,7 +2508,7 @@ hns3vf_wait_hardware_ready(struct hns3_adapter *hns) hns3_warn(hw, "hardware is ready, delay 1 sec for PF reset complete"); return -EAGAIN; } else if (wait_data->result == HNS3_WAIT_TIMEOUT) { - gettimeofday(&tv, NULL); + hns3_clock_gettime(&tv); hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld", tv.tv_sec, tv.tv_usec); return -ETIME; @@ -2421,7 +2518,7 @@ hns3vf_wait_hardware_ready(struct hns3_adapter *hns) wait_data->hns = hns; wait_data->check_completion = is_vf_reset_done; wait_data->end_ms = (uint64_t)HNS3VF_RESET_WAIT_CNT * - HNS3VF_RESET_WAIT_MS + get_timeofday_ms(); + HNS3VF_RESET_WAIT_MS + hns3_clock_gettime_ms(); wait_data->interval = HNS3VF_RESET_WAIT_MS * USEC_PER_MSEC; wait_data->count = HNS3VF_RESET_WAIT_CNT; wait_data->result = HNS3_WAIT_REQUEST; @@ -2454,9 +2551,13 @@ hns3vf_stop_service(struct hns3_adapter *hns) eth_dev = &rte_eth_devices[hw->data->port_id]; if (hw->adapter_state == HNS3_NIC_STARTED) { - rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev); + /* + * Make sure call update link status before hns3vf_stop_poll_job + * because update link status depend on polling job exist. + */ hns3vf_update_link_status(hw, ETH_LINK_DOWN, hw->mac.link_speed, - hw->mac.link_duplex); + hw->mac.link_duplex); + hns3vf_stop_poll_job(eth_dev); } hw->mac.link_status = ETH_LINK_DOWN; @@ -2497,7 +2598,7 @@ hns3vf_start_service(struct hns3_adapter *hns) hns3_set_rxtx_function(eth_dev); hns3_mp_req_start_rxtx(eth_dev); if (hw->adapter_state == HNS3_NIC_STARTED) { - hns3vf_service_handler(eth_dev); + hns3vf_start_poll_job(eth_dev); /* Enable interrupt of all rx queues before enabling queues */ hns3_dev_all_rx_queue_intr_enable(hw, true); @@ -2672,14 +2773,13 @@ hns3vf_reset_service(void *param) */ reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending); if (reset_level != HNS3_NONE_RESET) { - gettimeofday(&tv_start, NULL); + hns3_clock_gettime(&tv_start); hns3_reset_process(hns, reset_level); - gettimeofday(&tv, NULL); + hns3_clock_gettime(&tv); timersub(&tv, &tv_start, &tv_delta); - msec = tv_delta.tv_sec * MSEC_PER_SEC + - tv_delta.tv_usec / USEC_PER_MSEC; + msec = hns3_clock_calctime_ms(&tv_delta); if (msec > HNS3_RESET_PROCESS_MS) - hns3_err(hw, "%d handle long time delta %" PRIx64 + hns3_err(hw, "%d handle long time delta %" PRIu64 " ms time=%ld.%.6ld", hw->reset.level, msec, tv.tv_sec, tv.tv_usec); } @@ -2816,8 +2916,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev) return -ENOMEM; } - /* initialize flow filter lists */ - hns3_filterlist_init(eth_dev); + hns3_flow_init(eth_dev); hns3_set_rxtx_function(eth_dev); eth_dev->dev_ops = &hns3vf_eth_dev_ops; @@ -2968,7 +3067,7 @@ static const struct rte_pci_id pci_id_hns3vf_map[] = { static struct rte_pci_driver rte_hns3vf_pmd = { .id_table = pci_id_hns3vf_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, .probe = eth_hns3vf_pci_probe, .remove = eth_hns3vf_pci_remove, }; @@ -2978,4 +3077,5 @@ RTE_PMD_REGISTER_PCI_TABLE(net_hns3_vf, pci_id_hns3vf_map); RTE_PMD_REGISTER_KMOD_DEP(net_hns3_vf, "* igb_uio | vfio-pci"); RTE_PMD_REGISTER_PARAM_STRING(net_hns3_vf, HNS3_DEVARG_RX_FUNC_HINT "=vec|sve|simple|common " - HNS3_DEVARG_TX_FUNC_HINT "=vec|sve|simple|common "); + HNS3_DEVARG_TX_FUNC_HINT "=vec|sve|simple|common " + HNS3_DEVARG_DEV_CAPS_MASK "=<1-65535> ");