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Date: Mon, 9 May 2016 16:19:22 +0300
From: Yuval Mintz <Yuval.Mintz@...gic.com>
To: <davem@...emloft.net>, <netdev@...r.kernel.org>
CC: <Ariel.Elior@...gic.com>, Yuval Mintz <Yuval.Mintz@...gic.com>
Subject: [PATCH net-next 13/14] 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 <Yuval.Mintz@...gic.com>
---
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 804102c..6af8fd9f 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 aa01363..90c3e1e 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 2596d30..5a4f8d0 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);
--
1.9.3
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