diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 1258 |
1 files changed, 1258 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c new file mode 100644 index 000000000..a4cba7cb2 --- /dev/null +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -0,0 +1,1258 @@ +/* Broadcom NetXtreme-C/E network driver. + * + * Copyright (c) 2014-2016 Broadcom Corporation + * Copyright (c) 2016-2018 Broadcom Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#include <linux/ethtool.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/if_vlan.h> +#include <linux/interrupt.h> +#include <linux/etherdevice.h> +#include "bnxt_hsi.h" +#include "bnxt.h" +#include "bnxt_hwrm.h" +#include "bnxt_ulp.h" +#include "bnxt_sriov.h" +#include "bnxt_vfr.h" +#include "bnxt_ethtool.h" + +#ifdef CONFIG_BNXT_SRIOV +static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp, + struct bnxt_vf_info *vf, u16 event_id) +{ + struct hwrm_fwd_async_event_cmpl_input *req; + struct hwrm_async_event_cmpl *async_cmpl; + int rc = 0; + + rc = hwrm_req_init(bp, req, HWRM_FWD_ASYNC_EVENT_CMPL); + if (rc) + goto exit; + + if (vf) + req->encap_async_event_target_id = cpu_to_le16(vf->fw_fid); + else + /* broadcast this async event to all VFs */ + req->encap_async_event_target_id = cpu_to_le16(0xffff); + async_cmpl = + (struct hwrm_async_event_cmpl *)req->encap_async_event_cmpl; + async_cmpl->type = cpu_to_le16(ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT); + async_cmpl->event_id = cpu_to_le16(event_id); + + rc = hwrm_req_send(bp, req); +exit: + if (rc) + netdev_err(bp->dev, "hwrm_fwd_async_event_cmpl failed. rc:%d\n", + rc); + return rc; +} + +static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id) +{ + if (!bp->pf.active_vfs) { + netdev_err(bp->dev, "vf ndo called though sriov is disabled\n"); + return -EINVAL; + } + if (vf_id >= bp->pf.active_vfs) { + netdev_err(bp->dev, "Invalid VF id %d\n", vf_id); + return -EINVAL; + } + return 0; +} + +int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_func_cfg_input *req; + bool old_setting = false; + struct bnxt_vf_info *vf; + u32 func_flags; + int rc; + + if (bp->hwrm_spec_code < 0x10701) + return -ENOTSUPP; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + + vf = &bp->pf.vf[vf_id]; + if (vf->flags & BNXT_VF_SPOOFCHK) + old_setting = true; + if (old_setting == setting) + return 0; + + if (setting) + func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE; + else + func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE; + /*TODO: if the driver supports VLAN filter on guest VLAN, + * the spoof check should also include vlan anti-spoofing + */ + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (!rc) { + req->fid = cpu_to_le16(vf->fw_fid); + req->flags = cpu_to_le32(func_flags); + rc = hwrm_req_send(bp, req); + if (!rc) { + if (setting) + vf->flags |= BNXT_VF_SPOOFCHK; + else + vf->flags &= ~BNXT_VF_SPOOFCHK; + } + } + return rc; +} + +static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + struct hwrm_func_qcfg_output *resp; + struct hwrm_func_qcfg_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_QCFG); + if (rc) + return rc; + + req->fid = cpu_to_le16(BNXT_PF(bp) ? vf->fw_fid : 0xffff); + resp = hwrm_req_hold(bp, req); + rc = hwrm_req_send(bp, req); + if (!rc) + vf->func_qcfg_flags = le16_to_cpu(resp->flags); + hwrm_req_drop(bp, req); + return rc; +} + +bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + if (BNXT_PF(bp) && !(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF)) + return !!(vf->flags & BNXT_VF_TRUST); + + bnxt_hwrm_func_qcfg_flags(bp, vf); + return !!(vf->func_qcfg_flags & FUNC_QCFG_RESP_FLAGS_TRUSTED_VF); +} + +static int bnxt_hwrm_set_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + struct hwrm_func_cfg_input *req; + int rc; + + if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF)) + return 0; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (rc) + return rc; + + req->fid = cpu_to_le16(vf->fw_fid); + if (vf->flags & BNXT_VF_TRUST) + req->flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE); + else + req->flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_DISABLE); + return hwrm_req_send(bp, req); +} + +int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trusted) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_vf_info *vf; + + if (bnxt_vf_ndo_prep(bp, vf_id)) + return -EINVAL; + + vf = &bp->pf.vf[vf_id]; + if (trusted) + vf->flags |= BNXT_VF_TRUST; + else + vf->flags &= ~BNXT_VF_TRUST; + + bnxt_hwrm_set_trusted_vf(bp, vf); + return 0; +} + +int bnxt_get_vf_config(struct net_device *dev, int vf_id, + struct ifla_vf_info *ivi) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_vf_info *vf; + int rc; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + + ivi->vf = vf_id; + vf = &bp->pf.vf[vf_id]; + + if (is_valid_ether_addr(vf->mac_addr)) + memcpy(&ivi->mac, vf->mac_addr, ETH_ALEN); + else + memcpy(&ivi->mac, vf->vf_mac_addr, ETH_ALEN); + ivi->max_tx_rate = vf->max_tx_rate; + ivi->min_tx_rate = vf->min_tx_rate; + ivi->vlan = vf->vlan; + if (vf->flags & BNXT_VF_QOS) + ivi->qos = vf->vlan >> VLAN_PRIO_SHIFT; + else + ivi->qos = 0; + ivi->spoofchk = !!(vf->flags & BNXT_VF_SPOOFCHK); + ivi->trusted = bnxt_is_trusted_vf(bp, vf); + if (!(vf->flags & BNXT_VF_LINK_FORCED)) + ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; + else if (vf->flags & BNXT_VF_LINK_UP) + ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; + else + ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; + + return 0; +} + +int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_func_cfg_input *req; + struct bnxt_vf_info *vf; + int rc; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + /* reject bc or mc mac addr, zero mac addr means allow + * VF to use its own mac addr + */ + if (is_multicast_ether_addr(mac)) { + netdev_err(dev, "Invalid VF ethernet address\n"); + return -EINVAL; + } + vf = &bp->pf.vf[vf_id]; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (rc) + return rc; + + memcpy(vf->mac_addr, mac, ETH_ALEN); + + req->fid = cpu_to_le16(vf->fw_fid); + req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); + memcpy(req->dflt_mac_addr, mac, ETH_ALEN); + return hwrm_req_send(bp, req); +} + +int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos, + __be16 vlan_proto) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_func_cfg_input *req; + struct bnxt_vf_info *vf; + u16 vlan_tag; + int rc; + + if (bp->hwrm_spec_code < 0x10201) + return -ENOTSUPP; + + if (vlan_proto != htons(ETH_P_8021Q)) + return -EPROTONOSUPPORT; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + + /* TODO: needed to implement proper handling of user priority, + * currently fail the command if there is valid priority + */ + if (vlan_id > 4095 || qos) + return -EINVAL; + + vf = &bp->pf.vf[vf_id]; + vlan_tag = vlan_id; + if (vlan_tag == vf->vlan) + return 0; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (!rc) { + req->fid = cpu_to_le16(vf->fw_fid); + req->dflt_vlan = cpu_to_le16(vlan_tag); + req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN); + rc = hwrm_req_send(bp, req); + if (!rc) + vf->vlan = vlan_tag; + } + return rc; +} + +int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate, + int max_tx_rate) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_func_cfg_input *req; + struct bnxt_vf_info *vf; + u32 pf_link_speed; + int rc; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + + vf = &bp->pf.vf[vf_id]; + pf_link_speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed); + if (max_tx_rate > pf_link_speed) { + netdev_info(bp->dev, "max tx rate %d exceed PF link speed for VF %d\n", + max_tx_rate, vf_id); + return -EINVAL; + } + + if (min_tx_rate > pf_link_speed) { + netdev_info(bp->dev, "min tx rate %d is invalid for VF %d\n", + min_tx_rate, vf_id); + return -EINVAL; + } + if (min_tx_rate == vf->min_tx_rate && max_tx_rate == vf->max_tx_rate) + return 0; + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (!rc) { + req->fid = cpu_to_le16(vf->fw_fid); + req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW | + FUNC_CFG_REQ_ENABLES_MIN_BW); + req->max_bw = cpu_to_le32(max_tx_rate); + req->min_bw = cpu_to_le32(min_tx_rate); + rc = hwrm_req_send(bp, req); + if (!rc) { + vf->min_tx_rate = min_tx_rate; + vf->max_tx_rate = max_tx_rate; + } + } + return rc; +} + +int bnxt_set_vf_link_state(struct net_device *dev, int vf_id, int link) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_vf_info *vf; + int rc; + + rc = bnxt_vf_ndo_prep(bp, vf_id); + if (rc) + return rc; + + vf = &bp->pf.vf[vf_id]; + + vf->flags &= ~(BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED); + switch (link) { + case IFLA_VF_LINK_STATE_AUTO: + vf->flags |= BNXT_VF_LINK_UP; + break; + case IFLA_VF_LINK_STATE_DISABLE: + vf->flags |= BNXT_VF_LINK_FORCED; + break; + case IFLA_VF_LINK_STATE_ENABLE: + vf->flags |= BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED; + break; + default: + netdev_err(bp->dev, "Invalid link option\n"); + rc = -EINVAL; + break; + } + if (vf->flags & (BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED)) + rc = bnxt_hwrm_fwd_async_event_cmpl(bp, vf, + ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE); + return rc; +} + +static int bnxt_set_vf_attr(struct bnxt *bp, int num_vfs) +{ + int i; + struct bnxt_vf_info *vf; + + for (i = 0; i < num_vfs; i++) { + vf = &bp->pf.vf[i]; + memset(vf, 0, sizeof(*vf)); + } + return 0; +} + +static int bnxt_hwrm_func_vf_resource_free(struct bnxt *bp, int num_vfs) +{ + struct hwrm_func_vf_resc_free_input *req; + struct bnxt_pf_info *pf = &bp->pf; + int i, rc; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_RESC_FREE); + if (rc) + return rc; + + hwrm_req_hold(bp, req); + for (i = pf->first_vf_id; i < pf->first_vf_id + num_vfs; i++) { + req->vf_id = cpu_to_le16(i); + rc = hwrm_req_send(bp, req); + if (rc) + break; + } + hwrm_req_drop(bp, req); + return rc; +} + +static void bnxt_free_vf_resources(struct bnxt *bp) +{ + struct pci_dev *pdev = bp->pdev; + int i; + + kfree(bp->pf.vf_event_bmap); + bp->pf.vf_event_bmap = NULL; + + for (i = 0; i < 4; i++) { + if (bp->pf.hwrm_cmd_req_addr[i]) { + dma_free_coherent(&pdev->dev, BNXT_PAGE_SIZE, + bp->pf.hwrm_cmd_req_addr[i], + bp->pf.hwrm_cmd_req_dma_addr[i]); + bp->pf.hwrm_cmd_req_addr[i] = NULL; + } + } + + bp->pf.active_vfs = 0; + kfree(bp->pf.vf); + bp->pf.vf = NULL; +} + +static int bnxt_alloc_vf_resources(struct bnxt *bp, int num_vfs) +{ + struct pci_dev *pdev = bp->pdev; + u32 nr_pages, size, i, j, k = 0; + + bp->pf.vf = kcalloc(num_vfs, sizeof(struct bnxt_vf_info), GFP_KERNEL); + if (!bp->pf.vf) + return -ENOMEM; + + bnxt_set_vf_attr(bp, num_vfs); + + size = num_vfs * BNXT_HWRM_REQ_MAX_SIZE; + nr_pages = size / BNXT_PAGE_SIZE; + if (size & (BNXT_PAGE_SIZE - 1)) + nr_pages++; + + for (i = 0; i < nr_pages; i++) { + bp->pf.hwrm_cmd_req_addr[i] = + dma_alloc_coherent(&pdev->dev, BNXT_PAGE_SIZE, + &bp->pf.hwrm_cmd_req_dma_addr[i], + GFP_KERNEL); + + if (!bp->pf.hwrm_cmd_req_addr[i]) + return -ENOMEM; + + for (j = 0; j < BNXT_HWRM_REQS_PER_PAGE && k < num_vfs; j++) { + struct bnxt_vf_info *vf = &bp->pf.vf[k]; + + vf->hwrm_cmd_req_addr = bp->pf.hwrm_cmd_req_addr[i] + + j * BNXT_HWRM_REQ_MAX_SIZE; + vf->hwrm_cmd_req_dma_addr = + bp->pf.hwrm_cmd_req_dma_addr[i] + j * + BNXT_HWRM_REQ_MAX_SIZE; + k++; + } + } + + /* Max 128 VF's */ + bp->pf.vf_event_bmap = kzalloc(16, GFP_KERNEL); + if (!bp->pf.vf_event_bmap) + return -ENOMEM; + + bp->pf.hwrm_cmd_req_pages = nr_pages; + return 0; +} + +static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp) +{ + struct hwrm_func_buf_rgtr_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_BUF_RGTR); + if (rc) + return rc; + + req->req_buf_num_pages = cpu_to_le16(bp->pf.hwrm_cmd_req_pages); + req->req_buf_page_size = cpu_to_le16(BNXT_PAGE_SHIFT); + req->req_buf_len = cpu_to_le16(BNXT_HWRM_REQ_MAX_SIZE); + req->req_buf_page_addr0 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[0]); + req->req_buf_page_addr1 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[1]); + req->req_buf_page_addr2 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[2]); + req->req_buf_page_addr3 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[3]); + + return hwrm_req_send(bp, req); +} + +static int __bnxt_set_vf_params(struct bnxt *bp, int vf_id) +{ + struct hwrm_func_cfg_input *req; + struct bnxt_vf_info *vf; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (rc) + return rc; + + vf = &bp->pf.vf[vf_id]; + req->fid = cpu_to_le16(vf->fw_fid); + + if (is_valid_ether_addr(vf->mac_addr)) { + req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); + memcpy(req->dflt_mac_addr, vf->mac_addr, ETH_ALEN); + } + if (vf->vlan) { + req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN); + req->dflt_vlan = cpu_to_le16(vf->vlan); + } + if (vf->max_tx_rate) { + req->enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW | + FUNC_CFG_REQ_ENABLES_MIN_BW); + req->max_bw = cpu_to_le32(vf->max_tx_rate); + req->min_bw = cpu_to_le32(vf->min_tx_rate); + } + if (vf->flags & BNXT_VF_TRUST) + req->flags |= cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE); + + return hwrm_req_send(bp, req); +} + +/* Only called by PF to reserve resources for VFs, returns actual number of + * VFs configured, or < 0 on error. + */ +static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset) +{ + struct hwrm_func_vf_resource_cfg_input *req; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + u16 vf_tx_rings, vf_rx_rings, vf_cp_rings; + u16 vf_stat_ctx, vf_vnics, vf_ring_grps; + struct bnxt_pf_info *pf = &bp->pf; + int i, rc = 0, min = 1; + u16 vf_msix = 0; + u16 vf_rss; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_RESOURCE_CFG); + if (rc) + return rc; + + if (bp->flags & BNXT_FLAG_CHIP_P5) { + vf_msix = hw_resc->max_nqs - bnxt_nq_rings_in_use(bp); + vf_ring_grps = 0; + } else { + vf_ring_grps = hw_resc->max_hw_ring_grps - bp->rx_nr_rings; + } + vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp); + vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp); + if (bp->flags & BNXT_FLAG_AGG_RINGS) + vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings * 2; + else + vf_rx_rings = hw_resc->max_rx_rings - bp->rx_nr_rings; + vf_tx_rings = hw_resc->max_tx_rings - bp->tx_nr_rings; + vf_vnics = hw_resc->max_vnics - bp->nr_vnics; + vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); + vf_rss = hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs; + + req->min_rsscos_ctx = cpu_to_le16(BNXT_VF_MIN_RSS_CTX); + if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) { + min = 0; + req->min_rsscos_ctx = cpu_to_le16(min); + } + if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL || + pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL_STATIC) { + req->min_cmpl_rings = cpu_to_le16(min); + req->min_tx_rings = cpu_to_le16(min); + req->min_rx_rings = cpu_to_le16(min); + req->min_l2_ctxs = cpu_to_le16(min); + req->min_vnics = cpu_to_le16(min); + req->min_stat_ctx = cpu_to_le16(min); + if (!(bp->flags & BNXT_FLAG_CHIP_P5)) + req->min_hw_ring_grps = cpu_to_le16(min); + } else { + vf_cp_rings /= num_vfs; + vf_tx_rings /= num_vfs; + vf_rx_rings /= num_vfs; + vf_vnics /= num_vfs; + vf_stat_ctx /= num_vfs; + vf_ring_grps /= num_vfs; + vf_rss /= num_vfs; + + req->min_cmpl_rings = cpu_to_le16(vf_cp_rings); + req->min_tx_rings = cpu_to_le16(vf_tx_rings); + req->min_rx_rings = cpu_to_le16(vf_rx_rings); + req->min_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX); + req->min_vnics = cpu_to_le16(vf_vnics); + req->min_stat_ctx = cpu_to_le16(vf_stat_ctx); + req->min_hw_ring_grps = cpu_to_le16(vf_ring_grps); + req->min_rsscos_ctx = cpu_to_le16(vf_rss); + } + req->max_cmpl_rings = cpu_to_le16(vf_cp_rings); + req->max_tx_rings = cpu_to_le16(vf_tx_rings); + req->max_rx_rings = cpu_to_le16(vf_rx_rings); + req->max_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX); + req->max_vnics = cpu_to_le16(vf_vnics); + req->max_stat_ctx = cpu_to_le16(vf_stat_ctx); + req->max_hw_ring_grps = cpu_to_le16(vf_ring_grps); + req->max_rsscos_ctx = cpu_to_le16(vf_rss); + if (bp->flags & BNXT_FLAG_CHIP_P5) + req->max_msix = cpu_to_le16(vf_msix / num_vfs); + + hwrm_req_hold(bp, req); + for (i = 0; i < num_vfs; i++) { + if (reset) + __bnxt_set_vf_params(bp, i); + + req->vf_id = cpu_to_le16(pf->first_vf_id + i); + rc = hwrm_req_send(bp, req); + if (rc) + break; + pf->active_vfs = i + 1; + pf->vf[i].fw_fid = pf->first_vf_id + i; + } + + if (pf->active_vfs) { + u16 n = pf->active_vfs; + + hw_resc->max_tx_rings -= le16_to_cpu(req->min_tx_rings) * n; + hw_resc->max_rx_rings -= le16_to_cpu(req->min_rx_rings) * n; + hw_resc->max_hw_ring_grps -= + le16_to_cpu(req->min_hw_ring_grps) * n; + hw_resc->max_cp_rings -= le16_to_cpu(req->min_cmpl_rings) * n; + hw_resc->max_rsscos_ctxs -= + le16_to_cpu(req->min_rsscos_ctx) * n; + hw_resc->max_stat_ctxs -= le16_to_cpu(req->min_stat_ctx) * n; + hw_resc->max_vnics -= le16_to_cpu(req->min_vnics) * n; + if (bp->flags & BNXT_FLAG_CHIP_P5) + hw_resc->max_nqs -= vf_msix; + + rc = pf->active_vfs; + } + hwrm_req_drop(bp, req); + return rc; +} + +/* Only called by PF to reserve resources for VFs, returns actual number of + * VFs configured, or < 0 on error. + */ +static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs) +{ + u16 vf_tx_rings, vf_rx_rings, vf_cp_rings, vf_stat_ctx, vf_vnics; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + struct bnxt_pf_info *pf = &bp->pf; + struct hwrm_func_cfg_input *req; + int total_vf_tx_rings = 0; + u16 vf_ring_grps; + u32 mtu, i; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_FUNC_CFG); + if (rc) + return rc; + + /* Remaining rings are distributed equally amongs VF's for now */ + vf_cp_rings = bnxt_get_avail_cp_rings_for_en(bp) / num_vfs; + vf_stat_ctx = bnxt_get_avail_stat_ctxs_for_en(bp) / num_vfs; + if (bp->flags & BNXT_FLAG_AGG_RINGS) + vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings * 2) / + num_vfs; + else + vf_rx_rings = (hw_resc->max_rx_rings - bp->rx_nr_rings) / + num_vfs; + vf_ring_grps = (hw_resc->max_hw_ring_grps - bp->rx_nr_rings) / num_vfs; + vf_tx_rings = (hw_resc->max_tx_rings - bp->tx_nr_rings) / num_vfs; + vf_vnics = (hw_resc->max_vnics - bp->nr_vnics) / num_vfs; + vf_vnics = min_t(u16, vf_vnics, vf_rx_rings); + + req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ADMIN_MTU | + FUNC_CFG_REQ_ENABLES_MRU | + FUNC_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS | + FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS | + FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS | + FUNC_CFG_REQ_ENABLES_NUM_L2_CTXS | + FUNC_CFG_REQ_ENABLES_NUM_VNICS | + FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS); + + mtu = bp->dev->mtu + ETH_HLEN + VLAN_HLEN; + req->mru = cpu_to_le16(mtu); + req->admin_mtu = cpu_to_le16(mtu); + + req->num_rsscos_ctxs = cpu_to_le16(1); + req->num_cmpl_rings = cpu_to_le16(vf_cp_rings); + req->num_tx_rings = cpu_to_le16(vf_tx_rings); + req->num_rx_rings = cpu_to_le16(vf_rx_rings); + req->num_hw_ring_grps = cpu_to_le16(vf_ring_grps); + req->num_l2_ctxs = cpu_to_le16(4); + + req->num_vnics = cpu_to_le16(vf_vnics); + /* FIXME spec currently uses 1 bit for stats ctx */ + req->num_stat_ctxs = cpu_to_le16(vf_stat_ctx); + + hwrm_req_hold(bp, req); + for (i = 0; i < num_vfs; i++) { + int vf_tx_rsvd = vf_tx_rings; + + req->fid = cpu_to_le16(pf->first_vf_id + i); + rc = hwrm_req_send(bp, req); + if (rc) + break; + pf->active_vfs = i + 1; + pf->vf[i].fw_fid = le16_to_cpu(req->fid); + rc = __bnxt_hwrm_get_tx_rings(bp, pf->vf[i].fw_fid, + &vf_tx_rsvd); + if (rc) + break; + total_vf_tx_rings += vf_tx_rsvd; + } + hwrm_req_drop(bp, req); + if (pf->active_vfs) { + hw_resc->max_tx_rings -= total_vf_tx_rings; + hw_resc->max_rx_rings -= vf_rx_rings * num_vfs; + hw_resc->max_hw_ring_grps -= vf_ring_grps * num_vfs; + hw_resc->max_cp_rings -= vf_cp_rings * num_vfs; + hw_resc->max_rsscos_ctxs -= num_vfs; + hw_resc->max_stat_ctxs -= vf_stat_ctx * num_vfs; + hw_resc->max_vnics -= vf_vnics * num_vfs; + rc = pf->active_vfs; + } + return rc; +} + +static int bnxt_func_cfg(struct bnxt *bp, int num_vfs, bool reset) +{ + if (BNXT_NEW_RM(bp)) + return bnxt_hwrm_func_vf_resc_cfg(bp, num_vfs, reset); + else + return bnxt_hwrm_func_cfg(bp, num_vfs); +} + +int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) +{ + int rc; + + /* Register buffers for VFs */ + rc = bnxt_hwrm_func_buf_rgtr(bp); + if (rc) + return rc; + + /* Reserve resources for VFs */ + rc = bnxt_func_cfg(bp, *num_vfs, reset); + if (rc != *num_vfs) { + if (rc <= 0) { + netdev_warn(bp->dev, "Unable to reserve resources for SRIOV.\n"); + *num_vfs = 0; + return rc; + } + netdev_warn(bp->dev, "Only able to reserve resources for %d VFs.\n", + rc); + *num_vfs = rc; + } + + bnxt_ulp_sriov_cfg(bp, *num_vfs); + return 0; +} + +static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs) +{ + int rc = 0, vfs_supported; + int min_rx_rings, min_tx_rings, min_rss_ctxs; + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + int tx_ok = 0, rx_ok = 0, rss_ok = 0; + int avail_cp, avail_stat; + + /* Check if we can enable requested num of vf's. At a mininum + * we require 1 RX 1 TX rings for each VF. In this minimum conf + * features like TPA will not be available. + */ + vfs_supported = *num_vfs; + + avail_cp = bnxt_get_avail_cp_rings_for_en(bp); + avail_stat = bnxt_get_avail_stat_ctxs_for_en(bp); + avail_cp = min_t(int, avail_cp, avail_stat); + + while (vfs_supported) { + min_rx_rings = vfs_supported; + min_tx_rings = vfs_supported; + min_rss_ctxs = vfs_supported; + + if (bp->flags & BNXT_FLAG_AGG_RINGS) { + if (hw_resc->max_rx_rings - bp->rx_nr_rings * 2 >= + min_rx_rings) + rx_ok = 1; + } else { + if (hw_resc->max_rx_rings - bp->rx_nr_rings >= + min_rx_rings) + rx_ok = 1; + } + if (hw_resc->max_vnics - bp->nr_vnics < min_rx_rings || + avail_cp < min_rx_rings) + rx_ok = 0; + + if (hw_resc->max_tx_rings - bp->tx_nr_rings >= min_tx_rings && + avail_cp >= min_tx_rings) + tx_ok = 1; + + if (hw_resc->max_rsscos_ctxs - bp->rsscos_nr_ctxs >= + min_rss_ctxs) + rss_ok = 1; + + if (tx_ok && rx_ok && rss_ok) + break; + + vfs_supported--; + } + + if (!vfs_supported) { + netdev_err(bp->dev, "Cannot enable VF's as all resources are used by PF\n"); + return -EINVAL; + } + + if (vfs_supported != *num_vfs) { + netdev_info(bp->dev, "Requested VFs %d, can enable %d\n", + *num_vfs, vfs_supported); + *num_vfs = vfs_supported; + } + + rc = bnxt_alloc_vf_resources(bp, *num_vfs); + if (rc) + goto err_out1; + + rc = bnxt_cfg_hw_sriov(bp, num_vfs, false); + if (rc) + goto err_out2; + + rc = pci_enable_sriov(bp->pdev, *num_vfs); + if (rc) { + bnxt_ulp_sriov_cfg(bp, 0); + goto err_out2; + } + + return 0; + +err_out2: + /* Free the resources reserved for various VF's */ + bnxt_hwrm_func_vf_resource_free(bp, *num_vfs); + + /* Restore the max resources */ + bnxt_hwrm_func_qcaps(bp); + +err_out1: + bnxt_free_vf_resources(bp); + + return rc; +} + +void bnxt_sriov_disable(struct bnxt *bp) +{ + u16 num_vfs = pci_num_vf(bp->pdev); + + if (!num_vfs) + return; + + /* synchronize VF and VF-rep create and destroy */ + devl_lock(bp->dl); + bnxt_vf_reps_destroy(bp); + + if (pci_vfs_assigned(bp->pdev)) { + bnxt_hwrm_fwd_async_event_cmpl( + bp, NULL, ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD); + netdev_warn(bp->dev, "Unable to free %d VFs because some are assigned to VMs.\n", + num_vfs); + } else { + pci_disable_sriov(bp->pdev); + /* Free the HW resources reserved for various VF's */ + bnxt_hwrm_func_vf_resource_free(bp, num_vfs); + } + devl_unlock(bp->dl); + + bnxt_free_vf_resources(bp); + + /* Reclaim all resources for the PF. */ + rtnl_lock(); + bnxt_restore_pf_fw_resources(bp); + rtnl_unlock(); + + bnxt_ulp_sriov_cfg(bp, 0); +} + +int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct bnxt *bp = netdev_priv(dev); + + if (!(bp->flags & BNXT_FLAG_USING_MSIX)) { + netdev_warn(dev, "Not allow SRIOV if the irq mode is not MSIX\n"); + return 0; + } + + rtnl_lock(); + if (!netif_running(dev)) { + netdev_warn(dev, "Reject SRIOV config request since if is down!\n"); + rtnl_unlock(); + return 0; + } + if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { + netdev_warn(dev, "Reject SRIOV config request when FW reset is in progress\n"); + rtnl_unlock(); + return 0; + } + bp->sriov_cfg = true; + rtnl_unlock(); + + if (pci_vfs_assigned(bp->pdev)) { + netdev_warn(dev, "Unable to configure SRIOV since some VFs are assigned to VMs.\n"); + num_vfs = 0; + goto sriov_cfg_exit; + } + + /* Check if enabled VFs is same as requested */ + if (num_vfs && num_vfs == bp->pf.active_vfs) + goto sriov_cfg_exit; + + /* if there are previous existing VFs, clean them up */ + bnxt_sriov_disable(bp); + if (!num_vfs) + goto sriov_cfg_exit; + + bnxt_sriov_enable(bp, &num_vfs); + +sriov_cfg_exit: + bp->sriov_cfg = false; + wake_up(&bp->sriov_cfg_wait); + + return num_vfs; +} + +static int bnxt_hwrm_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf, + void *encap_resp, __le64 encap_resp_addr, + __le16 encap_resp_cpr, u32 msg_size) +{ + struct hwrm_fwd_resp_input *req; + int rc; + + if (BNXT_FWD_RESP_SIZE_ERR(msg_size)) + return -EINVAL; + + rc = hwrm_req_init(bp, req, HWRM_FWD_RESP); + if (!rc) { + /* Set the new target id */ + req->target_id = cpu_to_le16(vf->fw_fid); + req->encap_resp_target_id = cpu_to_le16(vf->fw_fid); + req->encap_resp_len = cpu_to_le16(msg_size); + req->encap_resp_addr = encap_resp_addr; + req->encap_resp_cmpl_ring = encap_resp_cpr; + memcpy(req->encap_resp, encap_resp, msg_size); + + rc = hwrm_req_send(bp, req); + } + if (rc) + netdev_err(bp->dev, "hwrm_fwd_resp failed. rc:%d\n", rc); + return rc; +} + +static int bnxt_hwrm_fwd_err_resp(struct bnxt *bp, struct bnxt_vf_info *vf, + u32 msg_size) +{ + struct hwrm_reject_fwd_resp_input *req; + int rc; + + if (BNXT_REJ_FWD_RESP_SIZE_ERR(msg_size)) + return -EINVAL; + + rc = hwrm_req_init(bp, req, HWRM_REJECT_FWD_RESP); + if (!rc) { + /* Set the new target id */ + req->target_id = cpu_to_le16(vf->fw_fid); + req->encap_resp_target_id = cpu_to_le16(vf->fw_fid); + memcpy(req->encap_request, vf->hwrm_cmd_req_addr, msg_size); + + rc = hwrm_req_send(bp, req); + } + if (rc) + netdev_err(bp->dev, "hwrm_fwd_err_resp failed. rc:%d\n", rc); + return rc; +} + +static int bnxt_hwrm_exec_fwd_resp(struct bnxt *bp, struct bnxt_vf_info *vf, + u32 msg_size) +{ + struct hwrm_exec_fwd_resp_input *req; + int rc; + + if (BNXT_EXEC_FWD_RESP_SIZE_ERR(msg_size)) + return -EINVAL; + + rc = hwrm_req_init(bp, req, HWRM_EXEC_FWD_RESP); + if (!rc) { + /* Set the new target id */ + req->target_id = cpu_to_le16(vf->fw_fid); + req->encap_resp_target_id = cpu_to_le16(vf->fw_fid); + memcpy(req->encap_request, vf->hwrm_cmd_req_addr, msg_size); + + rc = hwrm_req_send(bp, req); + } + if (rc) + netdev_err(bp->dev, "hwrm_exec_fw_resp failed. rc:%d\n", rc); + return rc; +} + +static int bnxt_vf_configure_mac(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + u32 msg_size = sizeof(struct hwrm_func_vf_cfg_input); + struct hwrm_func_vf_cfg_input *req = + (struct hwrm_func_vf_cfg_input *)vf->hwrm_cmd_req_addr; + + /* Allow VF to set a valid MAC address, if trust is set to on or + * if the PF assigned MAC address is zero + */ + if (req->enables & cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR)) { + bool trust = bnxt_is_trusted_vf(bp, vf); + + if (is_valid_ether_addr(req->dflt_mac_addr) && + (trust || !is_valid_ether_addr(vf->mac_addr) || + ether_addr_equal(req->dflt_mac_addr, vf->mac_addr))) { + ether_addr_copy(vf->vf_mac_addr, req->dflt_mac_addr); + return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size); + } + return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size); + } + return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size); +} + +static int bnxt_vf_validate_set_mac(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + u32 msg_size = sizeof(struct hwrm_cfa_l2_filter_alloc_input); + struct hwrm_cfa_l2_filter_alloc_input *req = + (struct hwrm_cfa_l2_filter_alloc_input *)vf->hwrm_cmd_req_addr; + bool mac_ok = false; + + if (!is_valid_ether_addr((const u8 *)req->l2_addr)) + return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size); + + /* Allow VF to set a valid MAC address, if trust is set to on. + * Or VF MAC address must first match MAC address in PF's context. + * Otherwise, it must match the VF MAC address if firmware spec >= + * 1.2.2 + */ + if (bnxt_is_trusted_vf(bp, vf)) { + mac_ok = true; + } else if (is_valid_ether_addr(vf->mac_addr)) { + if (ether_addr_equal((const u8 *)req->l2_addr, vf->mac_addr)) + mac_ok = true; + } else if (is_valid_ether_addr(vf->vf_mac_addr)) { + if (ether_addr_equal((const u8 *)req->l2_addr, vf->vf_mac_addr)) + mac_ok = true; + } else { + /* There are two cases: + * 1.If firmware spec < 0x10202,VF MAC address is not forwarded + * to the PF and so it doesn't have to match + * 2.Allow VF to modify it's own MAC when PF has not assigned a + * valid MAC address and firmware spec >= 0x10202 + */ + mac_ok = true; + } + if (mac_ok) + return bnxt_hwrm_exec_fwd_resp(bp, vf, msg_size); + return bnxt_hwrm_fwd_err_resp(bp, vf, msg_size); +} + +static int bnxt_vf_set_link(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + int rc = 0; + + if (!(vf->flags & BNXT_VF_LINK_FORCED)) { + /* real link */ + rc = bnxt_hwrm_exec_fwd_resp( + bp, vf, sizeof(struct hwrm_port_phy_qcfg_input)); + } else { + struct hwrm_port_phy_qcfg_output phy_qcfg_resp = {0}; + struct hwrm_port_phy_qcfg_input *phy_qcfg_req; + + phy_qcfg_req = + (struct hwrm_port_phy_qcfg_input *)vf->hwrm_cmd_req_addr; + mutex_lock(&bp->link_lock); + memcpy(&phy_qcfg_resp, &bp->link_info.phy_qcfg_resp, + sizeof(phy_qcfg_resp)); + mutex_unlock(&bp->link_lock); + phy_qcfg_resp.resp_len = cpu_to_le16(sizeof(phy_qcfg_resp)); + phy_qcfg_resp.seq_id = phy_qcfg_req->seq_id; + phy_qcfg_resp.valid = 1; + + if (vf->flags & BNXT_VF_LINK_UP) { + /* if physical link is down, force link up on VF */ + if (phy_qcfg_resp.link != + PORT_PHY_QCFG_RESP_LINK_LINK) { + phy_qcfg_resp.link = + PORT_PHY_QCFG_RESP_LINK_LINK; + phy_qcfg_resp.link_speed = cpu_to_le16( + PORT_PHY_QCFG_RESP_LINK_SPEED_10GB); + phy_qcfg_resp.duplex_cfg = + PORT_PHY_QCFG_RESP_DUPLEX_CFG_FULL; + phy_qcfg_resp.duplex_state = + PORT_PHY_QCFG_RESP_DUPLEX_STATE_FULL; + phy_qcfg_resp.pause = + (PORT_PHY_QCFG_RESP_PAUSE_TX | + PORT_PHY_QCFG_RESP_PAUSE_RX); + } + } else { + /* force link down */ + phy_qcfg_resp.link = PORT_PHY_QCFG_RESP_LINK_NO_LINK; + phy_qcfg_resp.link_speed = 0; + phy_qcfg_resp.duplex_state = + PORT_PHY_QCFG_RESP_DUPLEX_STATE_HALF; + phy_qcfg_resp.pause = 0; + } + rc = bnxt_hwrm_fwd_resp(bp, vf, &phy_qcfg_resp, + phy_qcfg_req->resp_addr, + phy_qcfg_req->cmpl_ring, + sizeof(phy_qcfg_resp)); + } + return rc; +} + +static int bnxt_vf_req_validate_snd(struct bnxt *bp, struct bnxt_vf_info *vf) +{ + int rc = 0; + struct input *encap_req = vf->hwrm_cmd_req_addr; + u32 req_type = le16_to_cpu(encap_req->req_type); + + switch (req_type) { + case HWRM_FUNC_VF_CFG: + rc = bnxt_vf_configure_mac(bp, vf); + break; + case HWRM_CFA_L2_FILTER_ALLOC: + rc = bnxt_vf_validate_set_mac(bp, vf); + break; + case HWRM_FUNC_CFG: + /* TODO Validate if VF is allowed to change mac address, + * mtu, num of rings etc + */ + rc = bnxt_hwrm_exec_fwd_resp( + bp, vf, sizeof(struct hwrm_func_cfg_input)); + break; + case HWRM_PORT_PHY_QCFG: + rc = bnxt_vf_set_link(bp, vf); + break; + default: + break; + } + return rc; +} + +void bnxt_hwrm_exec_fwd_req(struct bnxt *bp) +{ + u32 i = 0, active_vfs = bp->pf.active_vfs, vf_id; + + /* Scan through VF's and process commands */ + while (1) { + vf_id = find_next_bit(bp->pf.vf_event_bmap, active_vfs, i); + if (vf_id >= active_vfs) + break; + + clear_bit(vf_id, bp->pf.vf_event_bmap); + bnxt_vf_req_validate_snd(bp, &bp->pf.vf[vf_id]); + i = vf_id + 1; + } +} + +int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict) +{ + struct hwrm_func_vf_cfg_input *req; + int rc = 0; + + if (!BNXT_VF(bp)) + return 0; + + if (bp->hwrm_spec_code < 0x10202) { + if (is_valid_ether_addr(bp->vf.mac_addr)) + rc = -EADDRNOTAVAIL; + goto mac_done; + } + + rc = hwrm_req_init(bp, req, HWRM_FUNC_VF_CFG); + if (rc) + goto mac_done; + + req->enables = cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR); + memcpy(req->dflt_mac_addr, mac, ETH_ALEN); + if (!strict) + hwrm_req_flags(bp, req, BNXT_HWRM_CTX_SILENT); + rc = hwrm_req_send(bp, req); +mac_done: + if (rc && strict) { + rc = -EADDRNOTAVAIL; + netdev_warn(bp->dev, "VF MAC address %pM not approved by the PF\n", + mac); + return rc; + } + return 0; +} + +void bnxt_update_vf_mac(struct bnxt *bp) +{ + struct hwrm_func_qcaps_output *resp; + struct hwrm_func_qcaps_input *req; + bool inform_pf = false; + + if (hwrm_req_init(bp, req, HWRM_FUNC_QCAPS)) + return; + + req->fid = cpu_to_le16(0xffff); + + resp = hwrm_req_hold(bp, req); + if (hwrm_req_send(bp, req)) + goto update_vf_mac_exit; + + /* Store MAC address from the firmware. There are 2 cases: + * 1. MAC address is valid. It is assigned from the PF and we + * need to override the current VF MAC address with it. + * 2. MAC address is zero. The VF will use a random MAC address by + * default but the stored zero MAC will allow the VF user to change + * the random MAC address using ndo_set_mac_address() if he wants. + */ + if (!ether_addr_equal(resp->mac_address, bp->vf.mac_addr)) { + memcpy(bp->vf.mac_addr, resp->mac_address, ETH_ALEN); + /* This means we are now using our own MAC address, let + * the PF know about this MAC address. + */ + if (!is_valid_ether_addr(bp->vf.mac_addr)) + inform_pf = true; + } + + /* overwrite netdev dev_addr with admin VF MAC */ + if (is_valid_ether_addr(bp->vf.mac_addr)) + eth_hw_addr_set(bp->dev, bp->vf.mac_addr); +update_vf_mac_exit: + hwrm_req_drop(bp, req); + if (inform_pf) + bnxt_approve_mac(bp, bp->dev->dev_addr, false); +} + +#else + +int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) +{ + if (*num_vfs) + return -EOPNOTSUPP; + return 0; +} + +void bnxt_sriov_disable(struct bnxt *bp) +{ +} + +void bnxt_hwrm_exec_fwd_req(struct bnxt *bp) +{ + netdev_err(bp->dev, "Invalid VF message received when SRIOV is not enable\n"); +} + +void bnxt_update_vf_mac(struct bnxt *bp) +{ +} + +int bnxt_approve_mac(struct bnxt *bp, const u8 *mac, bool strict) +{ + return 0; +} +#endif |