X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_ethdev.c;h=b8b30ed3ff27ce9073d9960ee0b51de2778ba39d;hb=10d698200824060dbe6171c94a7b20380b624f1a;hp=83f475d497680f0aa37168dd8c15badfa7d46c88;hpb=39b88344e36426bea97cb131fb8ff5b4348e4676;p=dpdk.git diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 83f475d497..b8b30ed3ff 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -132,6 +132,8 @@ static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev); static int bnxt_init_resources(struct bnxt *bp, bool reconfig_dev); static int bnxt_uninit_resources(struct bnxt *bp, bool reconfig_dev); static void bnxt_cancel_fw_health_check(struct bnxt *bp); +static int bnxt_restore_vlan_filters(struct bnxt *bp); +static void bnxt_dev_recover(void *arg); int is_bnxt_in_error(struct bnxt *bp) { @@ -149,7 +151,7 @@ int is_bnxt_in_error(struct bnxt *bp) * High level utility functions */ -uint16_t bnxt_rss_ctxts(const struct bnxt *bp) +static uint16_t bnxt_rss_ctxts(const struct bnxt *bp) { if (!BNXT_CHIP_THOR(bp)) return 1; @@ -228,14 +230,101 @@ alloc_mem_err: return rc; } -static int bnxt_init_chip(struct bnxt *bp) +static int bnxt_setup_one_vnic(struct bnxt *bp, uint16_t vnic_id) { + struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; + struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; + uint64_t rx_offloads = dev_conf->rxmode.offloads; struct bnxt_rx_queue *rxq; + unsigned int j; + int rc; + + rc = bnxt_vnic_grp_alloc(bp, vnic); + if (rc) + goto err_out; + + PMD_DRV_LOG(DEBUG, "vnic[%d] = %p vnic->fw_grp_ids = %p\n", + vnic_id, vnic, vnic->fw_grp_ids); + + rc = bnxt_hwrm_vnic_alloc(bp, vnic); + if (rc) + goto err_out; + + /* Alloc RSS context only if RSS mode is enabled */ + if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) { + int j, nr_ctxs = bnxt_rss_ctxts(bp); + + rc = 0; + for (j = 0; j < nr_ctxs; j++) { + rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, j); + if (rc) + break; + } + if (rc) { + PMD_DRV_LOG(ERR, + "HWRM vnic %d ctx %d alloc failure rc: %x\n", + vnic_id, j, rc); + goto err_out; + } + vnic->num_lb_ctxts = nr_ctxs; + } + + /* + * Firmware sets pf pair in default vnic cfg. If the VLAN strip + * setting is not available at this time, it will not be + * configured correctly in the CFA. + */ + if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) + vnic->vlan_strip = true; + else + vnic->vlan_strip = false; + + rc = bnxt_hwrm_vnic_cfg(bp, vnic); + if (rc) + goto err_out; + + rc = bnxt_set_hwrm_vnic_filters(bp, vnic); + if (rc) + goto err_out; + + for (j = 0; j < bp->rx_num_qs_per_vnic; j++) { + rxq = bp->eth_dev->data->rx_queues[j]; + + PMD_DRV_LOG(DEBUG, + "rxq[%d]->vnic=%p vnic->fw_grp_ids=%p\n", + j, rxq->vnic, rxq->vnic->fw_grp_ids); + + if (BNXT_HAS_RING_GRPS(bp) && rxq->rx_deferred_start) + rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID; + else + vnic->rx_queue_cnt++; + } + + PMD_DRV_LOG(DEBUG, "vnic->rx_queue_cnt = %d\n", vnic->rx_queue_cnt); + + rc = bnxt_vnic_rss_configure(bp, vnic); + if (rc) + goto err_out; + + bnxt_hwrm_vnic_plcmode_cfg(bp, vnic); + + if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) + bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 1); + else + bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 0); + + return 0; +err_out: + PMD_DRV_LOG(ERR, "HWRM vnic %d cfg failure rc: %x\n", + vnic_id, rc); + return rc; +} + +static int bnxt_init_chip(struct bnxt *bp) +{ struct rte_eth_link new; struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev); - struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; - uint64_t rx_offloads = dev_conf->rxmode.offloads; uint32_t intr_vector = 0; uint32_t queue_id, base = BNXT_MISC_VEC_ID; uint32_t vec = BNXT_MISC_VEC_ID; @@ -303,93 +392,11 @@ skip_cosq_cfg: /* VNIC configuration */ for (i = 0; i < bp->nr_vnics; i++) { - struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; - struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; - - rc = bnxt_vnic_grp_alloc(bp, vnic); + rc = bnxt_setup_one_vnic(bp, i); if (rc) goto err_out; - - PMD_DRV_LOG(DEBUG, "vnic[%d] = %p vnic->fw_grp_ids = %p\n", - i, vnic, vnic->fw_grp_ids); - - rc = bnxt_hwrm_vnic_alloc(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, "HWRM vnic %d alloc failure rc: %x\n", - i, rc); - goto err_out; - } - - /* Alloc RSS context only if RSS mode is enabled */ - if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) { - int j, nr_ctxs = bnxt_rss_ctxts(bp); - - rc = 0; - for (j = 0; j < nr_ctxs; j++) { - rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic, j); - if (rc) - break; - } - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic %d ctx %d alloc failure rc: %x\n", - i, j, rc); - goto err_out; - } - vnic->num_lb_ctxts = nr_ctxs; - } - - /* - * Firmware sets pf pair in default vnic cfg. If the VLAN strip - * setting is not available at this time, it will not be - * configured correctly in the CFA. - */ - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) - vnic->vlan_strip = true; - else - vnic->vlan_strip = false; - - rc = bnxt_hwrm_vnic_cfg(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, "HWRM vnic %d cfg failure rc: %x\n", - i, rc); - goto err_out; - } - - rc = bnxt_set_hwrm_vnic_filters(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic %d filter failure rc: %x\n", - i, rc); - goto err_out; - } - - for (j = 0; j < bp->rx_num_qs_per_vnic; j++) { - rxq = bp->eth_dev->data->rx_queues[j]; - - PMD_DRV_LOG(DEBUG, - "rxq[%d]->vnic=%p vnic->fw_grp_ids=%p\n", - j, rxq->vnic, rxq->vnic->fw_grp_ids); - - if (BNXT_HAS_RING_GRPS(bp) && rxq->rx_deferred_start) - rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID; - } - - rc = bnxt_vnic_rss_configure(bp, vnic); - if (rc) { - PMD_DRV_LOG(ERR, - "HWRM vnic set RSS failure rc: %x\n", rc); - goto err_out; - } - - bnxt_hwrm_vnic_plcmode_cfg(bp, vnic); - - if (bp->eth_dev->data->dev_conf.rxmode.offloads & - DEV_RX_OFFLOAD_TCP_LRO) - bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 1); - else - bnxt_hwrm_vnic_tpa_cfg(bp, vnic, 0); } + rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, &bp->vnic_info[0], 0, NULL); if (rc) { PMD_DRV_LOG(ERR, @@ -866,6 +873,7 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) goto error; eth_dev->data->scattered_rx = bnxt_scattered_rx(eth_dev); + eth_dev->data->dev_started = 1; bnxt_link_update(eth_dev, 1, ETH_LINK_UP); @@ -880,9 +888,6 @@ static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev) eth_dev->rx_pkt_burst = bnxt_receive_function(eth_dev); eth_dev->tx_pkt_burst = bnxt_transmit_function(eth_dev); - bp->flags |= BNXT_FLAG_INIT_DONE; - eth_dev->data->dev_started = 1; - bp->dev_stopped = 0; pthread_mutex_lock(&bp->def_cp_lock); bnxt_schedule_fw_health_check(bp); pthread_mutex_unlock(&bp->def_cp_lock); @@ -893,6 +898,7 @@ error: bnxt_shutdown_nic(bp); bnxt_free_tx_mbufs(bp); bnxt_free_rx_mbufs(bp); + eth_dev->data->dev_started = 0; return rc; } @@ -940,17 +946,13 @@ static void bnxt_dev_stop_op(struct rte_eth_dev *eth_dev) bnxt_cancel_fw_health_check(bp); - bp->flags &= ~BNXT_FLAG_INIT_DONE; - if (bp->eth_dev->data->dev_started) { - /* TBD: STOP HW queues DMA */ - eth_dev->data->dev_link.link_status = 0; - } bnxt_dev_set_link_down_op(eth_dev); /* Wait for link to be reset and the async notification to process. - * During reset recovery, there is no need to wait + * During reset recovery, there is no need to wait and + * VF/NPAR functions do not have privilege to change PHY config. */ - if (!is_bnxt_in_error(bp)) + if (!is_bnxt_in_error(bp) && BNXT_SINGLE_PF(bp)) bnxt_link_update(eth_dev, 1, ETH_LINK_DOWN); /* Clean queue intr-vector mapping */ @@ -967,9 +969,11 @@ static void bnxt_dev_stop_op(struct rte_eth_dev *eth_dev) bnxt_int_handler(eth_dev); bnxt_shutdown_nic(bp); bnxt_hwrm_if_change(bp, 0); - memset(bp->mark_table, 0, BNXT_MARK_TABLE_SZ); + + rte_free(bp->mark_table); + bp->mark_table = NULL; + bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE; - bp->dev_stopped = 1; bp->rx_cosq_cnt = 0; } @@ -977,22 +981,29 @@ static void bnxt_dev_close_op(struct rte_eth_dev *eth_dev) { struct bnxt *bp = eth_dev->data->dev_private; - if (bp->dev_stopped == 0) + /* cancel the recovery handler before remove dev */ + rte_eal_alarm_cancel(bnxt_dev_reset_and_resume, (void *)bp); + rte_eal_alarm_cancel(bnxt_dev_recover, (void *)bp); + + if (eth_dev->data->dev_started) bnxt_dev_stop_op(eth_dev); - if (eth_dev->data->mac_addrs != NULL) { - rte_free(eth_dev->data->mac_addrs); - eth_dev->data->mac_addrs = NULL; - } - if (bp->grp_info != NULL) { - rte_free(bp->grp_info); - bp->grp_info = NULL; - } + bnxt_uninit_resources(bp, false); - rte_free(bp->mark_table); - bp->mark_table = NULL; + eth_dev->dev_ops = NULL; + eth_dev->rx_pkt_burst = NULL; + eth_dev->tx_pkt_burst = NULL; - bnxt_dev_uninit(eth_dev); + rte_memzone_free((const struct rte_memzone *)bp->tx_mem_zone); + bp->tx_mem_zone = NULL; + rte_memzone_free((const struct rte_memzone *)bp->rx_mem_zone); + bp->rx_mem_zone = NULL; + + rte_free(bp->pf.vf_info); + bp->pf.vf_info = NULL; + + rte_free(bp->grp_info); + bp->grp_info = NULL; } static void bnxt_mac_addr_remove_op(struct rte_eth_dev *eth_dev, @@ -1166,6 +1177,10 @@ static int bnxt_promiscuous_enable_op(struct rte_eth_dev *eth_dev) if (rc) return rc; + /* Filter settings will get applied when port is started */ + if (!eth_dev->data->dev_started) + return 0; + if (bp->vnic_info == NULL) return 0; @@ -1191,6 +1206,10 @@ static int bnxt_promiscuous_disable_op(struct rte_eth_dev *eth_dev) if (rc) return rc; + /* Filter settings will get applied when port is started */ + if (!eth_dev->data->dev_started) + return 0; + if (bp->vnic_info == NULL) return 0; @@ -1216,6 +1235,10 @@ static int bnxt_allmulticast_enable_op(struct rte_eth_dev *eth_dev) if (rc) return rc; + /* Filter settings will get applied when port is started */ + if (!eth_dev->data->dev_started) + return 0; + if (bp->vnic_info == NULL) return 0; @@ -1241,6 +1264,10 @@ static int bnxt_allmulticast_disable_op(struct rte_eth_dev *eth_dev) if (rc) return rc; + /* Filter settings will get applied when port is started */ + if (!eth_dev->data->dev_started) + return 0; + if (bp->vnic_info == NULL) return 0; @@ -1892,18 +1919,85 @@ bnxt_config_vlan_hw_filter(struct bnxt *bp, uint64_t rx_offloads) return 0; } +static int bnxt_free_one_vnic(struct bnxt *bp, uint16_t vnic_id) +{ + struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id]; + unsigned int i; + int rc; + + /* Destroy vnic filters and vnic */ + if (bp->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_VLAN_FILTER) { + for (i = 0; i < RTE_ETHER_MAX_VLAN_ID; i++) + bnxt_del_vlan_filter(bp, i); + } + bnxt_del_dflt_mac_filter(bp, vnic); + + rc = bnxt_hwrm_vnic_free(bp, vnic); + if (rc) + return rc; + + rte_free(vnic->fw_grp_ids); + vnic->fw_grp_ids = NULL; + + return 0; +} + +static int +bnxt_config_vlan_hw_stripping(struct bnxt *bp, uint64_t rx_offloads) +{ + struct bnxt_vnic_info *vnic = BNXT_GET_DEFAULT_VNIC(bp); + int rc; + + /* Destroy, recreate and reconfigure the default vnic */ + rc = bnxt_free_one_vnic(bp, 0); + if (rc) + return rc; + + /* default vnic 0 */ + rc = bnxt_setup_one_vnic(bp, 0); + if (rc) + return rc; + + if (bp->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_VLAN_FILTER) { + rc = bnxt_add_vlan_filter(bp, 0); + if (rc) + return rc; + rc = bnxt_restore_vlan_filters(bp); + if (rc) + return rc; + } else { + rc = bnxt_add_mac_filter(bp, vnic, NULL, 0, 0); + if (rc) + return rc; + } + + rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic, 0, NULL); + if (rc) + return rc; + + PMD_DRV_LOG(DEBUG, "VLAN Strip Offload: %d\n", + !!(rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)); + + return rc; +} + static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask) { uint64_t rx_offloads = dev->data->dev_conf.rxmode.offloads; struct bnxt *bp = dev->data->dev_private; - unsigned int i; int rc; rc = is_bnxt_in_error(bp); if (rc) return rc; + /* Filter settings will get applied when port is started */ + if (!dev->data->dev_started) + return 0; + if (mask & ETH_VLAN_FILTER_MASK) { /* Enable or disable VLAN filtering */ rc = bnxt_config_vlan_hw_filter(bp, rx_offloads); @@ -1913,16 +2007,9 @@ bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask) if (mask & ETH_VLAN_STRIP_MASK) { /* Enable or disable VLAN stripping */ - for (i = 0; i < bp->nr_vnics; i++) { - struct bnxt_vnic_info *vnic = &bp->vnic_info[i]; - if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP) - vnic->vlan_strip = true; - else - vnic->vlan_strip = false; - bnxt_hwrm_vnic_cfg(bp, vnic); - } - PMD_DRV_LOG(DEBUG, "VLAN Strip Offload: %d\n", - !!(rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)); + rc = bnxt_config_vlan_hw_stripping(bp, rx_offloads); + if (rc) + return rc; } if (mask & ETH_VLAN_EXTEND_MASK) { @@ -3520,9 +3607,9 @@ bnxt_get_eeprom_length_op(struct rte_eth_dev *dev) if (rc) return rc; - PMD_DRV_LOG(INFO, "%04x:%02x:%02x:%02x\n", - bp->pdev->addr.domain, bp->pdev->addr.bus, - bp->pdev->addr.devid, bp->pdev->addr.function); + PMD_DRV_LOG(INFO, PCI_PRI_FMT "\n", + bp->pdev->addr.domain, bp->pdev->addr.bus, + bp->pdev->addr.devid, bp->pdev->addr.function); rc = bnxt_hwrm_nvm_get_dir_info(bp, &dir_entries, &entry_length); if (rc != 0) @@ -3544,10 +3631,10 @@ bnxt_get_eeprom_op(struct rte_eth_dev *dev, if (rc) return rc; - PMD_DRV_LOG(INFO, "%04x:%02x:%02x:%02x in_eeprom->offset = %d " - "len = %d\n", bp->pdev->addr.domain, - bp->pdev->addr.bus, bp->pdev->addr.devid, - bp->pdev->addr.function, in_eeprom->offset, in_eeprom->length); + PMD_DRV_LOG(INFO, PCI_PRI_FMT " in_eeprom->offset = %d len = %d\n", + bp->pdev->addr.domain, bp->pdev->addr.bus, + bp->pdev->addr.devid, bp->pdev->addr.function, + in_eeprom->offset, in_eeprom->length); if (in_eeprom->offset == 0) /* special offset value to get directory */ return bnxt_get_nvram_directory(bp, in_eeprom->length, @@ -3620,10 +3707,10 @@ bnxt_set_eeprom_op(struct rte_eth_dev *dev, if (rc) return rc; - PMD_DRV_LOG(INFO, "%04x:%02x:%02x:%02x in_eeprom->offset = %d " - "len = %d\n", bp->pdev->addr.domain, - bp->pdev->addr.bus, bp->pdev->addr.devid, - bp->pdev->addr.function, in_eeprom->offset, in_eeprom->length); + PMD_DRV_LOG(INFO, PCI_PRI_FMT " in_eeprom->offset = %d len = %d\n", + bp->pdev->addr.domain, bp->pdev->addr.bus, + bp->pdev->addr.devid, bp->pdev->addr.function, + in_eeprom->offset, in_eeprom->length); if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "NVM write not supported from a VF\n"); @@ -3810,7 +3897,7 @@ static void bnxt_dev_cleanup(struct bnxt *bp) { bnxt_set_hwrm_link_config(bp, false); bp->link_info.link_up = 0; - if (bp->dev_stopped == 0) + if (bp->eth_dev->data->dev_started) bnxt_dev_stop_op(bp->eth_dev); bnxt_uninit_resources(bp, true); @@ -3886,10 +3973,16 @@ static int bnxt_restore_filters(struct bnxt *bp) struct rte_eth_dev *dev = bp->eth_dev; int ret = 0; - if (dev->data->all_multicast) + if (dev->data->all_multicast) { ret = bnxt_allmulticast_enable_op(dev); - if (dev->data->promiscuous) + if (ret) + return ret; + } + if (dev->data->promiscuous) { ret = bnxt_promiscuous_enable_op(dev); + if (ret) + return ret; + } ret = bnxt_restore_mac_filters(bp); if (ret) @@ -3910,7 +4003,7 @@ static void bnxt_dev_recover(void *arg) bp->flags &= ~BNXT_FLAG_FATAL_ERROR; do { - rc = bnxt_hwrm_ver_get(bp); + rc = bnxt_hwrm_ver_get(bp, SHORT_HWRM_CMD_TIMEOUT); if (rc == 0) break; rte_delay_ms(BNXT_FW_READY_WAIT_INTERVAL); @@ -3934,15 +4027,17 @@ static void bnxt_dev_recover(void *arg) rc = bnxt_dev_start_op(bp->eth_dev); if (rc) { PMD_DRV_LOG(ERR, "Failed to start port after reset\n"); - goto err; + goto err_start; } rc = bnxt_restore_filters(bp); if (rc) - goto err; + goto err_start; PMD_DRV_LOG(INFO, "Recovered from FW reset\n"); return; +err_start: + bnxt_dev_stop_op(bp->eth_dev); err: bp->flags |= BNXT_FLAG_FATAL_ERROR; bnxt_uninit_resources(bp, false); @@ -4600,7 +4695,7 @@ static int bnxt_init_fw(struct bnxt *bp) bp->fw_cap = 0; - rc = bnxt_hwrm_ver_get(bp); + rc = bnxt_hwrm_ver_get(bp, DFLT_HWRM_CMD_TIMEOUT); if (rc) return rc; @@ -4747,7 +4842,6 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev) bp = eth_dev->data->dev_private; - bp->dev_stopped = 1; bp->flags &= ~BNXT_FLAG_RX_VECTOR_PKT_MODE; if (bnxt_vf_pciid(pci_dev->id.device_id)) @@ -4783,6 +4877,11 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev) if (rc) goto error_free; + /* Pass the information to the rte_eth_dev_close() that it should also + * release the private port resources. + */ + eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; + PMD_DRV_LOG(INFO, DRV_MODULE_NAME "found at mem %" PRIX64 ", node addr %pM\n", pci_dev->mem_resource[0].phys_addr, @@ -4831,35 +4930,15 @@ bnxt_uninit_resources(struct bnxt *bp, bool reconfig_dev) static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev) { - struct bnxt *bp = eth_dev->data->dev_private; - int rc; - if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -EPERM; PMD_DRV_LOG(DEBUG, "Calling Device uninit\n"); - rc = bnxt_uninit_resources(bp, false); - - if (bp->tx_mem_zone) { - rte_memzone_free((const struct rte_memzone *)bp->tx_mem_zone); - bp->tx_mem_zone = NULL; - } - - if (bp->rx_mem_zone) { - rte_memzone_free((const struct rte_memzone *)bp->rx_mem_zone); - bp->rx_mem_zone = NULL; - } - - if (bp->dev_stopped == 0) + if (eth_dev->state != RTE_ETH_DEV_UNUSED) bnxt_dev_close_op(eth_dev); - if (bp->pf.vf_info) - rte_free(bp->pf.vf_info); - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - return rc; + return 0; } static int bnxt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,