diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 74 |
1 files changed, 40 insertions, 34 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index a217316228f4..eb00a219aa51 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -49,10 +49,6 @@ static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp, static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id) { - if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { - netdev_err(bp->dev, "vf ndo called though PF is down\n"); - return -EINVAL; - } if (!bp->pf.active_vfs) { netdev_err(bp->dev, "vf ndo called though sriov is disabled\n"); return -EINVAL; @@ -113,7 +109,7 @@ static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf) int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); - req.fid = cpu_to_le16(vf->fw_fid); + req.fid = cpu_to_le16(BNXT_PF(bp) ? vf->fw_fid : 0xffff); mutex_lock(&bp->hwrm_cmd_lock); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); if (rc) { @@ -125,9 +121,9 @@ static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf) return 0; } -static bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) +bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) { - if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_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); @@ -1120,10 +1116,38 @@ void bnxt_hwrm_exec_fwd_req(struct bnxt *bp) } } +int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict) +{ + struct hwrm_func_vf_cfg_input req = {0}; + 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; + } + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); + req.enables = cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR); + memcpy(req.dflt_mac_addr, mac, ETH_ALEN); + rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); +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_input req = {0}; struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr; + bool inform_pf = false; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1); req.fid = cpu_to_le16(0xffff); @@ -1139,42 +1163,24 @@ void bnxt_update_vf_mac(struct bnxt *bp) * 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)) + 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)) memcpy(bp->dev->dev_addr, bp->vf.mac_addr, ETH_ALEN); update_vf_mac_exit: mutex_unlock(&bp->hwrm_cmd_lock); + if (inform_pf) + bnxt_approve_mac(bp, bp->dev->dev_addr, false); } -int bnxt_approve_mac(struct bnxt *bp, u8 *mac, bool strict) -{ - struct hwrm_func_vf_cfg_input req = {0}; - 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; - } - bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1); - req.enables = cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_DFLT_MAC_ADDR); - memcpy(req.dflt_mac_addr, mac, ETH_ALEN); - rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); -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; -} #else int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) |