From 73390ac9d82bf9f0c849ff57b06a03145fbf05d6 Mon Sep 17 00:00:00 2001 From: Yuval Mintz Date: Wed, 11 May 2016 16:36:24 +0300 Subject: [PATCH] qed*: support ndo_get_vf_config Allows the user to view the VF configuration by observing the PF's device. Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller --- drivers/net/ethernet/qlogic/qed/qed_sriov.c | 93 ++++++++++++++++++++++++++++ drivers/net/ethernet/qlogic/qede/qede_main.c | 12 ++++ include/linux/qed/qed_iov_if.h | 3 + 3 files changed, 108 insertions(+) diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 804102c257e6..6af8fd9fd560 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -2588,6 +2588,30 @@ void qed_iov_set_link(struct qed_hwfn *p_hwfn, p_bulletin->capability_speed = p_caps->speed_capabilities; } +static void qed_iov_get_link(struct qed_hwfn *p_hwfn, + u16 vfid, + struct qed_mcp_link_params *p_params, + struct qed_mcp_link_state *p_link, + struct qed_mcp_link_capabilities *p_caps) +{ + struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn, + vfid, + false); + struct qed_bulletin_content *p_bulletin; + + if (!p_vf) + return; + + p_bulletin = p_vf->bulletin.p_virt; + + if (p_params) + __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin); + if (p_link) + __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin); + if (p_caps) + __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin); +} + static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, int vfid) { @@ -2840,6 +2864,17 @@ bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid) return p_vf_info->state == VF_STOPPED; } +static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true); + if (!vf_info) + return false; + + return vf_info->spoof_chk; +} + int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val) { struct qed_vf_info *vf; @@ -2937,6 +2972,23 @@ int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate) return qed_configure_vport_wfq(cdev, vport_id, rate); } +static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_wfq_data *vf_vp_wfq; + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true); + if (!vf_info) + return 0; + + vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id]; + + if (vf_vp_wfq->configured) + return vf_vp_wfq->min_speed; + else + return 0; +} + /** * qed_schedule_iov - schedules IOV task for VF and PF * @hwfn: hardware function pointer @@ -3153,6 +3205,46 @@ static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid) return 0; } +static int qed_get_vf_config(struct qed_dev *cdev, + int vf_id, struct ifla_vf_info *ivi) +{ + struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); + struct qed_public_vf_info *vf_info; + struct qed_mcp_link_state link; + u32 tx_rate; + + /* Sanitize request */ + if (IS_VF(cdev)) + return -EINVAL; + + if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "VF index [%d] isn't active\n", vf_id); + return -EINVAL; + } + + vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true); + + qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL); + + /* Fill information about VF */ + ivi->vf = vf_id; + + if (is_valid_ether_addr(vf_info->forced_mac)) + ether_addr_copy(ivi->mac, vf_info->forced_mac); + else + ether_addr_copy(ivi->mac, vf_info->mac); + + ivi->vlan = vf_info->forced_vlan; + ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id); + ivi->linkstate = vf_info->link_state; + tx_rate = vf_info->tx_rate; + ivi->max_tx_rate = tx_rate ? tx_rate : link.speed; + ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id); + + return 0; +} + void qed_inform_vf_link_state(struct qed_hwfn *hwfn) { struct qed_mcp_link_capabilities caps; @@ -3506,6 +3598,7 @@ const struct qed_iov_hv_ops qed_iov_ops_pass = { .configure = &qed_sriov_configure, .set_mac = &qed_sriov_pf_set_mac, .set_vlan = &qed_sriov_pf_set_vlan, + .get_config = &qed_get_vf_config, .set_link_state = &qed_set_vf_link_state, .set_spoof = &qed_spoof_configure, .set_rate = &qed_set_vf_rate, diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index a908bd69d252..7130ee7f87da 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1793,6 +1793,17 @@ static struct rtnl_link_stats64 *qede_get_stats64( } #ifdef CONFIG_QED_SRIOV +static int qede_get_vf_config(struct net_device *dev, int vfidx, + struct ifla_vf_info *ivi) +{ + struct qede_dev *edev = netdev_priv(dev); + + if (!edev->ops) + return -EINVAL; + + return edev->ops->iov->get_config(edev->cdev, vfidx, ivi); +} + static int qede_set_vf_rate(struct net_device *dev, int vfidx, int min_tx_rate, int max_tx_rate) { @@ -2153,6 +2164,7 @@ static const struct net_device_ops qede_netdev_ops = { #ifdef CONFIG_QED_SRIOV .ndo_set_vf_link_state = qede_set_vf_link_state, .ndo_set_vf_spoofchk = qede_set_vf_spoofchk, + .ndo_get_vf_config = qede_get_vf_config, .ndo_set_vf_rate = qede_set_vf_rate, #endif #ifdef CONFIG_QEDE_VXLAN diff --git a/include/linux/qed/qed_iov_if.h b/include/linux/qed/qed_iov_if.h index 2596d30d9e63..5a4f8d0899e9 100644 --- a/include/linux/qed/qed_iov_if.h +++ b/include/linux/qed/qed_iov_if.h @@ -19,6 +19,9 @@ struct qed_iov_hv_ops { int (*set_vlan) (struct qed_dev *cdev, u16 vid, int vfid); + int (*get_config) (struct qed_dev *cdev, int vf_id, + struct ifla_vf_info *ivi); + int (*set_link_state) (struct qed_dev *cdev, int vf_id, int link_state); -- 2.11.0