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1204 lines
33 KiB
1204 lines
33 KiB
/* Broadcom NetXtreme-C/E network driver. |
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* |
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* Copyright (c) 2014-2016 Broadcom Corporation |
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* Copyright (c) 2016-2018 Broadcom Limited |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation. |
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*/ |
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|
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#include <linux/ethtool.h> |
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#include <linux/module.h> |
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#include <linux/pci.h> |
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#include <linux/netdevice.h> |
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#include <linux/if_vlan.h> |
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#include <linux/interrupt.h> |
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#include <linux/etherdevice.h> |
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#include "bnxt_hsi.h" |
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#include "bnxt.h" |
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#include "bnxt_ulp.h" |
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#include "bnxt_sriov.h" |
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#include "bnxt_vfr.h" |
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#include "bnxt_ethtool.h" |
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|
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#ifdef CONFIG_BNXT_SRIOV |
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static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp, |
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struct bnxt_vf_info *vf, u16 event_id) |
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{ |
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struct hwrm_fwd_async_event_cmpl_input req = {0}; |
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struct hwrm_async_event_cmpl *async_cmpl; |
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int rc = 0; |
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|
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FWD_ASYNC_EVENT_CMPL, -1, -1); |
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if (vf) |
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req.encap_async_event_target_id = cpu_to_le16(vf->fw_fid); |
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else |
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/* broadcast this async event to all VFs */ |
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req.encap_async_event_target_id = cpu_to_le16(0xffff); |
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async_cmpl = (struct hwrm_async_event_cmpl *)req.encap_async_event_cmpl; |
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async_cmpl->type = cpu_to_le16(ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT); |
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async_cmpl->event_id = cpu_to_le16(event_id); |
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|
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rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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if (rc) |
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netdev_err(bp->dev, "hwrm_fwd_async_event_cmpl failed. rc:%d\n", |
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rc); |
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return rc; |
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} |
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|
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static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id) |
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{ |
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if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { |
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netdev_err(bp->dev, "vf ndo called though PF is down\n"); |
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return -EINVAL; |
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} |
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if (!bp->pf.active_vfs) { |
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netdev_err(bp->dev, "vf ndo called though sriov is disabled\n"); |
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return -EINVAL; |
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} |
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if (vf_id >= bp->pf.active_vfs) { |
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netdev_err(bp->dev, "Invalid VF id %d\n", vf_id); |
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return -EINVAL; |
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} |
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return 0; |
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} |
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|
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int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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bool old_setting = false; |
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u32 func_flags; |
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int rc; |
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if (bp->hwrm_spec_code < 0x10701) |
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return -ENOTSUPP; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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vf = &bp->pf.vf[vf_id]; |
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if (vf->flags & BNXT_VF_SPOOFCHK) |
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old_setting = true; |
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if (old_setting == setting) |
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return 0; |
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if (setting) |
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func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE; |
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else |
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func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE; |
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/*TODO: if the driver supports VLAN filter on guest VLAN, |
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* the spoof check should also include vlan anti-spoofing |
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*/ |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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req.flags = cpu_to_le32(func_flags); |
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rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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if (!rc) { |
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if (setting) |
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vf->flags |= BNXT_VF_SPOOFCHK; |
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else |
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vf->flags &= ~BNXT_VF_SPOOFCHK; |
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} |
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return rc; |
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} |
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static int bnxt_hwrm_func_qcfg_flags(struct bnxt *bp, struct bnxt_vf_info *vf) |
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{ |
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struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; |
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struct hwrm_func_qcfg_input req = {0}; |
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int rc; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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mutex_lock(&bp->hwrm_cmd_lock); |
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rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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if (rc) { |
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mutex_unlock(&bp->hwrm_cmd_lock); |
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return rc; |
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} |
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vf->func_qcfg_flags = le16_to_cpu(resp->flags); |
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mutex_unlock(&bp->hwrm_cmd_lock); |
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return 0; |
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} |
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static bool bnxt_is_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) |
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{ |
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if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF)) |
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return !!(vf->flags & BNXT_VF_TRUST); |
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bnxt_hwrm_func_qcfg_flags(bp, vf); |
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return !!(vf->func_qcfg_flags & FUNC_QCFG_RESP_FLAGS_TRUSTED_VF); |
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} |
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static int bnxt_hwrm_set_trusted_vf(struct bnxt *bp, struct bnxt_vf_info *vf) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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if (!(bp->fw_cap & BNXT_FW_CAP_TRUSTED_VF)) |
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return 0; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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if (vf->flags & BNXT_VF_TRUST) |
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req.flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE); |
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else |
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req.flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_DISABLE); |
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return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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} |
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int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trusted) |
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{ |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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if (bnxt_vf_ndo_prep(bp, vf_id)) |
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return -EINVAL; |
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vf = &bp->pf.vf[vf_id]; |
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if (trusted) |
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vf->flags |= BNXT_VF_TRUST; |
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else |
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vf->flags &= ~BNXT_VF_TRUST; |
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bnxt_hwrm_set_trusted_vf(bp, vf); |
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return 0; |
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} |
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int bnxt_get_vf_config(struct net_device *dev, int vf_id, |
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struct ifla_vf_info *ivi) |
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{ |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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int rc; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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ivi->vf = vf_id; |
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vf = &bp->pf.vf[vf_id]; |
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if (is_valid_ether_addr(vf->mac_addr)) |
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memcpy(&ivi->mac, vf->mac_addr, ETH_ALEN); |
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else |
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memcpy(&ivi->mac, vf->vf_mac_addr, ETH_ALEN); |
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ivi->max_tx_rate = vf->max_tx_rate; |
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ivi->min_tx_rate = vf->min_tx_rate; |
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ivi->vlan = vf->vlan; |
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if (vf->flags & BNXT_VF_QOS) |
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ivi->qos = vf->vlan >> VLAN_PRIO_SHIFT; |
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else |
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ivi->qos = 0; |
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ivi->spoofchk = !!(vf->flags & BNXT_VF_SPOOFCHK); |
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ivi->trusted = bnxt_is_trusted_vf(bp, vf); |
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if (!(vf->flags & BNXT_VF_LINK_FORCED)) |
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ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; |
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else if (vf->flags & BNXT_VF_LINK_UP) |
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ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; |
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else |
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ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; |
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return 0; |
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} |
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int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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int rc; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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/* reject bc or mc mac addr, zero mac addr means allow |
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* VF to use its own mac addr |
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*/ |
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if (is_multicast_ether_addr(mac)) { |
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netdev_err(dev, "Invalid VF ethernet address\n"); |
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return -EINVAL; |
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} |
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vf = &bp->pf.vf[vf_id]; |
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memcpy(vf->mac_addr, mac, ETH_ALEN); |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); |
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memcpy(req.dflt_mac_addr, mac, ETH_ALEN); |
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return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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} |
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int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos, |
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__be16 vlan_proto) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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u16 vlan_tag; |
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int rc; |
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if (bp->hwrm_spec_code < 0x10201) |
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return -ENOTSUPP; |
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if (vlan_proto != htons(ETH_P_8021Q)) |
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return -EPROTONOSUPPORT; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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/* TODO: needed to implement proper handling of user priority, |
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* currently fail the command if there is valid priority |
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*/ |
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if (vlan_id > 4095 || qos) |
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return -EINVAL; |
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vf = &bp->pf.vf[vf_id]; |
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vlan_tag = vlan_id; |
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if (vlan_tag == vf->vlan) |
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return 0; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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req.dflt_vlan = cpu_to_le16(vlan_tag); |
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req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN); |
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rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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if (!rc) |
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vf->vlan = vlan_tag; |
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return rc; |
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} |
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int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate, |
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int max_tx_rate) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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u32 pf_link_speed; |
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int rc; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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vf = &bp->pf.vf[vf_id]; |
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pf_link_speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed); |
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if (max_tx_rate > pf_link_speed) { |
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netdev_info(bp->dev, "max tx rate %d exceed PF link speed for VF %d\n", |
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max_tx_rate, vf_id); |
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return -EINVAL; |
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} |
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if (min_tx_rate > pf_link_speed || min_tx_rate > max_tx_rate) { |
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netdev_info(bp->dev, "min tx rate %d is invalid for VF %d\n", |
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min_tx_rate, vf_id); |
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return -EINVAL; |
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} |
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if (min_tx_rate == vf->min_tx_rate && max_tx_rate == vf->max_tx_rate) |
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return 0; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
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req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW); |
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req.max_bw = cpu_to_le32(max_tx_rate); |
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req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW); |
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req.min_bw = cpu_to_le32(min_tx_rate); |
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rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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if (!rc) { |
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vf->min_tx_rate = min_tx_rate; |
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vf->max_tx_rate = max_tx_rate; |
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} |
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return rc; |
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} |
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int bnxt_set_vf_link_state(struct net_device *dev, int vf_id, int link) |
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{ |
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struct bnxt *bp = netdev_priv(dev); |
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struct bnxt_vf_info *vf; |
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int rc; |
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rc = bnxt_vf_ndo_prep(bp, vf_id); |
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if (rc) |
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return rc; |
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vf = &bp->pf.vf[vf_id]; |
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vf->flags &= ~(BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED); |
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switch (link) { |
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case IFLA_VF_LINK_STATE_AUTO: |
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vf->flags |= BNXT_VF_LINK_UP; |
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break; |
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case IFLA_VF_LINK_STATE_DISABLE: |
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vf->flags |= BNXT_VF_LINK_FORCED; |
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break; |
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case IFLA_VF_LINK_STATE_ENABLE: |
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vf->flags |= BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED; |
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break; |
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default: |
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netdev_err(bp->dev, "Invalid link option\n"); |
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rc = -EINVAL; |
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break; |
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} |
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if (vf->flags & (BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED)) |
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rc = bnxt_hwrm_fwd_async_event_cmpl(bp, vf, |
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ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE); |
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return rc; |
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} |
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static int bnxt_set_vf_attr(struct bnxt *bp, int num_vfs) |
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{ |
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int i; |
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struct bnxt_vf_info *vf; |
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for (i = 0; i < num_vfs; i++) { |
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vf = &bp->pf.vf[i]; |
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memset(vf, 0, sizeof(*vf)); |
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} |
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return 0; |
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} |
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static int bnxt_hwrm_func_vf_resource_free(struct bnxt *bp, int num_vfs) |
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{ |
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int i, rc = 0; |
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struct bnxt_pf_info *pf = &bp->pf; |
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struct hwrm_func_vf_resc_free_input req = {0}; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESC_FREE, -1, -1); |
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mutex_lock(&bp->hwrm_cmd_lock); |
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for (i = pf->first_vf_id; i < pf->first_vf_id + num_vfs; i++) { |
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req.vf_id = cpu_to_le16(i); |
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rc = _hwrm_send_message(bp, &req, sizeof(req), |
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HWRM_CMD_TIMEOUT); |
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if (rc) |
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break; |
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} |
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mutex_unlock(&bp->hwrm_cmd_lock); |
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return rc; |
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} |
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|
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static void bnxt_free_vf_resources(struct bnxt *bp) |
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{ |
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struct pci_dev *pdev = bp->pdev; |
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int i; |
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|
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kfree(bp->pf.vf_event_bmap); |
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bp->pf.vf_event_bmap = NULL; |
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|
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for (i = 0; i < 4; i++) { |
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if (bp->pf.hwrm_cmd_req_addr[i]) { |
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dma_free_coherent(&pdev->dev, BNXT_PAGE_SIZE, |
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bp->pf.hwrm_cmd_req_addr[i], |
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bp->pf.hwrm_cmd_req_dma_addr[i]); |
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bp->pf.hwrm_cmd_req_addr[i] = NULL; |
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} |
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} |
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|
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bp->pf.active_vfs = 0; |
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kfree(bp->pf.vf); |
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bp->pf.vf = NULL; |
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} |
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|
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static int bnxt_alloc_vf_resources(struct bnxt *bp, int num_vfs) |
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{ |
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struct pci_dev *pdev = bp->pdev; |
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u32 nr_pages, size, i, j, k = 0; |
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|
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bp->pf.vf = kcalloc(num_vfs, sizeof(struct bnxt_vf_info), GFP_KERNEL); |
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if (!bp->pf.vf) |
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return -ENOMEM; |
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|
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bnxt_set_vf_attr(bp, num_vfs); |
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|
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size = num_vfs * BNXT_HWRM_REQ_MAX_SIZE; |
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nr_pages = size / BNXT_PAGE_SIZE; |
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if (size & (BNXT_PAGE_SIZE - 1)) |
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nr_pages++; |
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|
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for (i = 0; i < nr_pages; i++) { |
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bp->pf.hwrm_cmd_req_addr[i] = |
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dma_alloc_coherent(&pdev->dev, BNXT_PAGE_SIZE, |
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&bp->pf.hwrm_cmd_req_dma_addr[i], |
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GFP_KERNEL); |
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|
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if (!bp->pf.hwrm_cmd_req_addr[i]) |
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return -ENOMEM; |
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|
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for (j = 0; j < BNXT_HWRM_REQS_PER_PAGE && k < num_vfs; j++) { |
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struct bnxt_vf_info *vf = &bp->pf.vf[k]; |
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|
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vf->hwrm_cmd_req_addr = bp->pf.hwrm_cmd_req_addr[i] + |
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j * BNXT_HWRM_REQ_MAX_SIZE; |
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vf->hwrm_cmd_req_dma_addr = |
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bp->pf.hwrm_cmd_req_dma_addr[i] + j * |
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BNXT_HWRM_REQ_MAX_SIZE; |
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k++; |
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} |
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} |
|
|
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/* Max 128 VF's */ |
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bp->pf.vf_event_bmap = kzalloc(16, GFP_KERNEL); |
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if (!bp->pf.vf_event_bmap) |
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return -ENOMEM; |
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|
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bp->pf.hwrm_cmd_req_pages = nr_pages; |
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return 0; |
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} |
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|
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static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp) |
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{ |
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struct hwrm_func_buf_rgtr_input req = {0}; |
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|
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_BUF_RGTR, -1, -1); |
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|
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req.req_buf_num_pages = cpu_to_le16(bp->pf.hwrm_cmd_req_pages); |
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req.req_buf_page_size = cpu_to_le16(BNXT_PAGE_SHIFT); |
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req.req_buf_len = cpu_to_le16(BNXT_HWRM_REQ_MAX_SIZE); |
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req.req_buf_page_addr0 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[0]); |
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req.req_buf_page_addr1 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[1]); |
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req.req_buf_page_addr2 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[2]); |
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req.req_buf_page_addr3 = cpu_to_le64(bp->pf.hwrm_cmd_req_dma_addr[3]); |
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|
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return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
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} |
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|
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/* Caller holds bp->hwrm_cmd_lock mutex lock */ |
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static void __bnxt_set_vf_params(struct bnxt *bp, int vf_id) |
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{ |
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struct hwrm_func_cfg_input req = {0}; |
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struct bnxt_vf_info *vf; |
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|
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vf = &bp->pf.vf[vf_id]; |
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bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
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req.fid = cpu_to_le16(vf->fw_fid); |
|
|
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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); |
|
req.max_bw = cpu_to_le32(vf->max_tx_rate); |
|
#ifdef HAVE_IFLA_TX_RATE |
|
req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW); |
|
req.min_bw = cpu_to_le32(vf->min_tx_rate); |
|
#endif |
|
} |
|
if (vf->flags & BNXT_VF_TRUST) |
|
req.flags |= cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE); |
|
|
|
_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
} |
|
|
|
/* 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 = {0}; |
|
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; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_RESOURCE_CFG, -1, -1); |
|
|
|
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); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
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_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
if (rc) |
|
break; |
|
pf->active_vfs = i + 1; |
|
pf->vf[i].fw_fid = pf->first_vf_id + i; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
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_irqs -= vf_msix * n; |
|
|
|
rc = pf->active_vfs; |
|
} |
|
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) |
|
{ |
|
u32 rc = 0, mtu, i; |
|
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 hwrm_func_cfg_input req = {0}; |
|
struct bnxt_pf_info *pf = &bp->pf; |
|
int total_vf_tx_rings = 0; |
|
u16 vf_ring_grps; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); |
|
|
|
/* 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_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.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); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
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_send_message(bp, &req, sizeof(req), |
|
HWRM_CMD_TIMEOUT); |
|
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; |
|
} |
|
mutex_unlock(&bp->hwrm_cmd_lock); |
|
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) |
|
goto err_out2; |
|
|
|
return 0; |
|
|
|
err_out2: |
|
/* Free the resources reserved for various VF's */ |
|
bnxt_hwrm_func_vf_resource_free(bp, *num_vfs); |
|
|
|
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 */ |
|
mutex_lock(&bp->sriov_lock); |
|
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); |
|
} |
|
mutex_unlock(&bp->sriov_lock); |
|
|
|
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) |
|
{ |
|
int rc = 0; |
|
struct hwrm_fwd_resp_input req = {0}; |
|
|
|
if (BNXT_FWD_RESP_SIZE_ERR(msg_size)) |
|
return -EINVAL; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FWD_RESP, -1, -1); |
|
|
|
/* 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_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
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) |
|
{ |
|
int rc = 0; |
|
struct hwrm_reject_fwd_resp_input req = {0}; |
|
|
|
if (BNXT_REJ_FWD_RESP_SIZE_ERR(msg_size)) |
|
return -EINVAL; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_REJECT_FWD_RESP, -1, -1); |
|
/* 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_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
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) |
|
{ |
|
int rc = 0; |
|
struct hwrm_exec_fwd_resp_input req = {0}; |
|
|
|
if (BNXT_EXEC_FWD_RESP_SIZE_ERR(msg_size)) |
|
return -EINVAL; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_EXEC_FWD_RESP, -1, -1); |
|
/* 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_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); |
|
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->hwrm_cmd_lock); |
|
memcpy(&phy_qcfg_resp, &bp->link_info.phy_qcfg_resp, |
|
sizeof(phy_qcfg_resp)); |
|
mutex_unlock(&bp->hwrm_cmd_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; |
|
} |
|
} |
|
|
|
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; |
|
|
|
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1); |
|
req.fid = cpu_to_le16(0xffff); |
|
|
|
mutex_lock(&bp->hwrm_cmd_lock); |
|
if (_hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT)) |
|
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); |
|
|
|
/* 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); |
|
} |
|
|
|
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) |
|
{ |
|
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, u8 *mac, bool strict) |
|
{ |
|
return 0; |
|
} |
|
#endif
|
|
|