/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2017-2018 Broadcom * All rights reserved. */ #include #include #include #include #include #include #include #include #include "bnxt.h" #include "bnxt_filter.h" #include "bnxt_hwrm.h" #include "bnxt_vnic.h" #include "rte_pmd_bnxt.h" #include "hsi_struct_def_dpdk.h" int bnxt_rcv_msg_from_vf(struct bnxt *bp, uint16_t vf_id, void *msg) { struct rte_pmd_bnxt_mb_event_param ret_param; ret_param.retval = RTE_PMD_BNXT_MB_EVENT_PROCEED; ret_param.vf_id = vf_id; ret_param.msg = msg; _rte_eth_dev_callback_process(bp->eth_dev, RTE_ETH_EVENT_VF_MBOX, &ret_param); /* Default to approve */ if (ret_param.retval == RTE_PMD_BNXT_MB_EVENT_PROCEED) ret_param.retval = RTE_PMD_BNXT_MB_EVENT_NOOP_ACK; return ret_param.retval == RTE_PMD_BNXT_MB_EVENT_NOOP_ACK ? true : false; } int rte_pmd_bnxt_set_tx_loopback(uint16_t port, uint8_t on) { struct rte_eth_dev *eth_dev; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); if (on > 1) return -EINVAL; eth_dev = &rte_eth_devices[port]; if (!is_bnxt_supported(eth_dev)) return -ENOTSUP; bp = (struct bnxt *)eth_dev->data->dev_private; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set Tx loopback on non-PF port %d!\n", port); return -ENOTSUP; } if (on) bp->pf.evb_mode = BNXT_EVB_MODE_VEB; else bp->pf.evb_mode = BNXT_EVB_MODE_VEPA; rc = bnxt_hwrm_pf_evb_mode(bp); return rc; } static void rte_pmd_bnxt_set_all_queues_drop_en_cb(struct bnxt_vnic_info *vnic, void *onptr) { uint8_t *on = onptr; vnic->bd_stall = !(*on); } int rte_pmd_bnxt_set_all_queues_drop_en(uint16_t port, uint8_t on) { struct rte_eth_dev *eth_dev; struct bnxt *bp; uint32_t i; int rc = -EINVAL; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); if (on > 1) return -EINVAL; eth_dev = &rte_eth_devices[port]; if (!is_bnxt_supported(eth_dev)) return -ENOTSUP; bp = (struct bnxt *)eth_dev->data->dev_private; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set all queues drop on non-PF port!\n"); return -ENOTSUP; } if (bp->vnic_info == NULL) return -ENODEV; /* Stall PF */ for (i = 0; i < bp->nr_vnics; i++) { bp->vnic_info[i].bd_stall = !on; rc = bnxt_hwrm_vnic_cfg(bp, &bp->vnic_info[i]); if (rc) { PMD_DRV_LOG(ERR, "Failed to update PF VNIC %d.\n", i); return rc; } } /* Stall all active VFs */ for (i = 0; i < bp->pf.active_vfs; i++) { rc = bnxt_hwrm_func_vf_vnic_query_and_config(bp, i, rte_pmd_bnxt_set_all_queues_drop_en_cb, &on, bnxt_hwrm_vnic_cfg); if (rc) { PMD_DRV_LOG(ERR, "Failed to update VF VNIC %d.\n", i); break; } } return rc; } int rte_pmd_bnxt_set_vf_mac_addr(uint16_t port, uint16_t vf, struct ether_addr *mac_addr) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf >= dev_info.max_vfs || mac_addr == NULL) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set VF %d mac address on non-PF port %d!\n", vf, port); return -ENOTSUP; } rc = bnxt_hwrm_func_vf_mac(bp, vf, (uint8_t *)mac_addr); return rc; } int rte_pmd_bnxt_set_vf_rate_limit(uint16_t port, uint16_t vf, uint16_t tx_rate, uint64_t q_msk) { struct rte_eth_dev *eth_dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; uint16_t tot_rate = 0; uint64_t idx; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); eth_dev = &rte_eth_devices[port]; if (!is_bnxt_supported(eth_dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)eth_dev->data->dev_private; if (!bp->pf.active_vfs) return -EINVAL; if (vf >= bp->pf.max_vfs) return -EINVAL; /* Add up the per queue BW and configure MAX BW of the VF */ for (idx = 0; idx < 64; idx++) { if ((1ULL << idx) & q_msk) tot_rate += tx_rate; } /* Requested BW can't be greater than link speed */ if (tot_rate > eth_dev->data->dev_link.link_speed) { PMD_DRV_LOG(ERR, "Rate > Link speed. Set to %d\n", tot_rate); return -EINVAL; } /* Requested BW already configured */ if (tot_rate == bp->pf.vf_info[vf].max_tx_rate) return 0; rc = bnxt_hwrm_func_bw_cfg(bp, vf, tot_rate, HWRM_FUNC_CFG_INPUT_ENABLES_MAX_BW); if (!rc) bp->pf.vf_info[vf].max_tx_rate = tot_rate; return rc; } int rte_pmd_bnxt_set_vf_mac_anti_spoof(uint16_t port, uint16_t vf, uint8_t on) { struct rte_eth_dev_info dev_info; struct rte_eth_dev *dev; uint32_t func_flags; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); if (on > 1) return -EINVAL; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set mac spoof on non-PF port %d!\n", port); return -EINVAL; } if (vf >= dev_info.max_vfs) return -EINVAL; /* Prev setting same as new setting. */ if (on == bp->pf.vf_info[vf].mac_spoof_en) return 0; func_flags = bp->pf.vf_info[vf].func_cfg_flags; func_flags &= ~(HWRM_FUNC_CFG_INPUT_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE | HWRM_FUNC_CFG_INPUT_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE); if (on) func_flags |= HWRM_FUNC_CFG_INPUT_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE; else func_flags |= HWRM_FUNC_CFG_INPUT_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE; rc = bnxt_hwrm_func_cfg_vf_set_flags(bp, vf, func_flags); if (!rc) { bp->pf.vf_info[vf].mac_spoof_en = on; bp->pf.vf_info[vf].func_cfg_flags = func_flags; } return rc; } int rte_pmd_bnxt_set_vf_vlan_anti_spoof(uint16_t port, uint16_t vf, uint8_t on) { struct rte_eth_dev_info dev_info; struct rte_eth_dev *dev; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); if (on > 1) return -EINVAL; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set VLAN spoof on non-PF port %d!\n", port); return -EINVAL; } if (vf >= dev_info.max_vfs) return -EINVAL; rc = bnxt_hwrm_func_cfg_vf_set_vlan_anti_spoof(bp, vf, on); if (!rc) { bp->pf.vf_info[vf].vlan_spoof_en = on; if (on) { if (bnxt_hwrm_cfa_vlan_antispoof_cfg(bp, bp->pf.first_vf_id + vf, bp->pf.vf_info[vf].vlan_count, bp->pf.vf_info[vf].vlan_as_table)) rc = -1; } } else { PMD_DRV_LOG(ERR, "Failed to update VF VNIC %d.\n", vf); } return rc; } static void rte_pmd_bnxt_set_vf_vlan_stripq_cb(struct bnxt_vnic_info *vnic, void *onptr) { uint8_t *on = onptr; vnic->vlan_strip = *on; } int rte_pmd_bnxt_set_vf_vlan_stripq(uint16_t port, uint16_t vf, uint8_t on) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set VF %d stripq on non-PF port %d!\n", vf, port); return -ENOTSUP; } rc = bnxt_hwrm_func_vf_vnic_query_and_config(bp, vf, rte_pmd_bnxt_set_vf_vlan_stripq_cb, &on, bnxt_hwrm_vnic_cfg); if (rc) PMD_DRV_LOG(ERR, "Failed to update VF VNIC %d.\n", vf); return rc; } int rte_pmd_bnxt_set_vf_rxmode(uint16_t port, uint16_t vf, uint16_t rx_mask, uint8_t on) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; uint16_t flag = 0; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (!bp->pf.vf_info) return -EINVAL; if (vf >= bp->pdev->max_vfs) return -EINVAL; if (rx_mask & ETH_VMDQ_ACCEPT_UNTAG) { PMD_DRV_LOG(ERR, "Currently cannot toggle this setting\n"); return -ENOTSUP; } /* Is this really the correct mapping? VFd seems to think it is. */ if (rx_mask & ETH_VMDQ_ACCEPT_HASH_UC) flag |= BNXT_VNIC_INFO_PROMISC; if (rx_mask & ETH_VMDQ_ACCEPT_BROADCAST) flag |= BNXT_VNIC_INFO_BCAST; if (rx_mask & ETH_VMDQ_ACCEPT_MULTICAST) flag |= BNXT_VNIC_INFO_ALLMULTI | BNXT_VNIC_INFO_MCAST; if (on) bp->pf.vf_info[vf].l2_rx_mask |= flag; else bp->pf.vf_info[vf].l2_rx_mask &= ~flag; rc = bnxt_hwrm_func_vf_vnic_query_and_config(bp, vf, vf_vnic_set_rxmask_cb, &bp->pf.vf_info[vf].l2_rx_mask, bnxt_set_rx_mask_no_vlan); if (rc) PMD_DRV_LOG(ERR, "bnxt_hwrm_func_vf_vnic_set_rxmask failed\n"); return rc; } static int bnxt_set_vf_table(struct bnxt *bp, uint16_t vf) { int rc = 0; int dflt_vnic; struct bnxt_vnic_info vnic; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set VLAN table on non-PF port!\n"); return -EINVAL; } if (vf >= bp->pdev->max_vfs) return -EINVAL; dflt_vnic = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf); if (dflt_vnic < 0) { /* This simply indicates there's no driver loaded. * This is not an error. */ PMD_DRV_LOG(ERR, "Unable to get default VNIC for VF %d\n", vf); } else { memset(&vnic, 0, sizeof(vnic)); vnic.fw_vnic_id = dflt_vnic; if (bnxt_hwrm_vnic_qcfg(bp, &vnic, bp->pf.first_vf_id + vf) == 0) { if (bnxt_hwrm_cfa_l2_set_rx_mask(bp, &vnic, bp->pf.vf_info[vf].vlan_count, bp->pf.vf_info[vf].vlan_table)) rc = -1; } else { rc = -1; } } return rc; } int rte_pmd_bnxt_set_vf_vlan_filter(uint16_t port, uint16_t vlan, uint64_t vf_mask, uint8_t vlan_on) { struct bnxt_vlan_table_entry *ve; struct bnxt_vlan_antispoof_table_entry *vase; struct rte_eth_dev *dev; struct bnxt *bp; uint16_t cnt; int rc = 0; int i, j; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; bp = (struct bnxt *)dev->data->dev_private; if (!bp->pf.vf_info) return -EINVAL; for (i = 0; vf_mask; i++, vf_mask >>= 1) { cnt = bp->pf.vf_info[i].vlan_count; if ((vf_mask & 1) == 0) continue; if (bp->pf.vf_info[i].vlan_table == NULL) { rc = -1; continue; } if (bp->pf.vf_info[i].vlan_as_table == NULL) { rc = -1; continue; } if (vlan_on) { /* First, search for a duplicate... */ for (j = 0; j < cnt; j++) { if (rte_be_to_cpu_16( bp->pf.vf_info[i].vlan_table[j].vid) == vlan) break; } if (j == cnt) { /* Now check that there's space */ if (cnt == getpagesize() / sizeof(struct bnxt_vlan_antispoof_table_entry)) { PMD_DRV_LOG(ERR, "VLAN anti-spoof table is full\n"); PMD_DRV_LOG(ERR, "VF %d cannot add VLAN %u\n", i, vlan); rc = -1; continue; } /* cnt is one less than vlan_count */ cnt = bp->pf.vf_info[i].vlan_count++; /* * And finally, add to the * end of the table */ vase = &bp->pf.vf_info[i].vlan_as_table[cnt]; // TODO: Hardcoded TPID vase->tpid = rte_cpu_to_be_16(0x8100); vase->vid = rte_cpu_to_be_16(vlan); vase->mask = rte_cpu_to_be_16(0xfff); ve = &bp->pf.vf_info[i].vlan_table[cnt]; /* TODO: Hardcoded TPID */ ve->tpid = rte_cpu_to_be_16(0x8100); ve->vid = rte_cpu_to_be_16(vlan); } } else { for (j = 0; j < cnt; j++) { if (rte_be_to_cpu_16( bp->pf.vf_info[i].vlan_table[j].vid) != vlan) continue; memmove(&bp->pf.vf_info[i].vlan_table[j], &bp->pf.vf_info[i].vlan_table[j + 1], getpagesize() - ((j + 1) * sizeof(struct bnxt_vlan_table_entry))); memmove(&bp->pf.vf_info[i].vlan_as_table[j], &bp->pf.vf_info[i].vlan_as_table[j + 1], getpagesize() - ((j + 1) * sizeof(struct bnxt_vlan_antispoof_table_entry))); j--; cnt = --bp->pf.vf_info[i].vlan_count; } } bnxt_set_vf_table(bp, i); } return rc; } int rte_pmd_bnxt_get_vf_stats(uint16_t port, uint16_t vf_id, struct rte_eth_stats *stats) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf_id >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to get VF %d stats on non-PF port %d!\n", vf_id, port); return -ENOTSUP; } return bnxt_hwrm_func_qstats(bp, bp->pf.first_vf_id + vf_id, stats); } int rte_pmd_bnxt_reset_vf_stats(uint16_t port, uint16_t vf_id) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf_id >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to reset VF %d stats on non-PF port %d!\n", vf_id, port); return -ENOTSUP; } return bnxt_hwrm_func_clr_stats(bp, bp->pf.first_vf_id + vf_id); } int rte_pmd_bnxt_get_vf_rx_status(uint16_t port, uint16_t vf_id) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf_id >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to query VF %d RX stats on non-PF port %d!\n", vf_id, port); return -ENOTSUP; } return bnxt_vf_vnic_count(bp, vf_id); } int rte_pmd_bnxt_get_vf_tx_drop_count(uint16_t port, uint16_t vf_id, uint64_t *count) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf_id >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to query VF %d TX drops on non-PF port %d!\n", vf_id, port); return -ENOTSUP; } return bnxt_hwrm_func_qstats_tx_drop(bp, bp->pf.first_vf_id + vf_id, count); } int rte_pmd_bnxt_mac_addr_add(uint16_t port, struct ether_addr *addr, uint32_t vf_id) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; struct bnxt_filter_info *filter; struct bnxt_vnic_info vnic; struct ether_addr dflt_mac; int rc; dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf_id >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to config VF %d MAC on non-PF port %d!\n", vf_id, port); return -ENOTSUP; } /* If the VF currently uses a random MAC, update default to this one */ if (bp->pf.vf_info[vf_id].random_mac) { if (rte_pmd_bnxt_get_vf_rx_status(port, vf_id) <= 0) bnxt_hwrm_func_vf_mac(bp, vf_id, (uint8_t *)addr); } /* query the default VNIC id used by the function */ rc = bnxt_hwrm_func_qcfg_vf_dflt_vnic_id(bp, vf_id); if (rc < 0) goto exit; memset(&vnic, 0, sizeof(struct bnxt_vnic_info)); vnic.fw_vnic_id = rte_le_to_cpu_16(rc); rc = bnxt_hwrm_vnic_qcfg(bp, &vnic, bp->pf.first_vf_id + vf_id); if (rc < 0) goto exit; STAILQ_FOREACH(filter, &bp->pf.vf_info[vf_id].filter, next) { if (filter->flags == HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX && filter->enables == (HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR_MASK) && memcmp(addr, filter->l2_addr, ETHER_ADDR_LEN) == 0) { bnxt_hwrm_clear_l2_filter(bp, filter); break; } } if (filter == NULL) filter = bnxt_alloc_vf_filter(bp, vf_id); filter->fw_l2_filter_id = UINT64_MAX; filter->flags = HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX; filter->enables = HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR | HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR_MASK; memcpy(filter->l2_addr, addr, ETHER_ADDR_LEN); memset(filter->l2_addr_mask, 0xff, ETHER_ADDR_LEN); /* Do not add a filter for the default MAC */ if (bnxt_hwrm_func_qcfg_vf_default_mac(bp, vf_id, &dflt_mac) || memcmp(filter->l2_addr, dflt_mac.addr_bytes, ETHER_ADDR_LEN)) rc = bnxt_hwrm_set_l2_filter(bp, vnic.fw_vnic_id, filter); exit: return rc; } int rte_pmd_bnxt_set_vf_vlan_insert(uint16_t port, uint16_t vf, uint16_t vlan_id) { struct rte_eth_dev *dev; struct rte_eth_dev_info dev_info; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); dev = &rte_eth_devices[port]; if (!is_bnxt_supported(dev)) return -ENOTSUP; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (vf >= dev_info.max_vfs) return -EINVAL; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set VF %d vlan insert on non-PF port %d!\n", vf, port); return -ENOTSUP; } bp->pf.vf_info[vf].dflt_vlan = vlan_id; if (bnxt_hwrm_func_qcfg_current_vf_vlan(bp, vf) == bp->pf.vf_info[vf].dflt_vlan) return 0; rc = bnxt_hwrm_set_vf_vlan(bp, vf); return rc; } int rte_pmd_bnxt_set_vf_persist_stats(uint16_t port, uint16_t vf, uint8_t on) { struct rte_eth_dev_info dev_info; struct rte_eth_dev *dev; uint32_t func_flags; struct bnxt *bp; int rc; RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); if (on > 1) return -EINVAL; dev = &rte_eth_devices[port]; rte_eth_dev_info_get(port, &dev_info); bp = (struct bnxt *)dev->data->dev_private; if (!BNXT_PF(bp)) { PMD_DRV_LOG(ERR, "Attempt to set persist stats on non-PF port %d!\n", port); return -EINVAL; } if (vf >= dev_info.max_vfs) return -EINVAL; /* Prev setting same as new setting. */ if (on == bp->pf.vf_info[vf].persist_stats) return 0; func_flags = bp->pf.vf_info[vf].func_cfg_flags; if (on) func_flags |= HWRM_FUNC_CFG_INPUT_FLAGS_NO_AUTOCLEAR_STATISTIC; else func_flags &= ~HWRM_FUNC_CFG_INPUT_FLAGS_NO_AUTOCLEAR_STATISTIC; rc = bnxt_hwrm_func_cfg_vf_set_flags(bp, vf, func_flags); if (!rc) { bp->pf.vf_info[vf].persist_stats = on; bp->pf.vf_info[vf].func_cfg_flags = func_flags; } return rc; }