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authorArjun Vynipadath <arjun@chelsio.com>2019-03-01 15:44:47 +0530
committerDavid S. Miller <davem@davemloft.net>2019-03-01 23:20:20 -0800
commit8b965f3f649c50d68a7fbc3a7771fcc368d2b7b8 (patch)
tree838670d704693f5a59029c8dd24050ab8d877dc0 /drivers/net/ethernet/chelsio
parent3d78bfaa2eb92845c0595b09ec7b3dde572009bd (diff)
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cxgb4: Add VF Link state support
Use ndo_set_vf_link_state to control the link states associated with the virtual interfaces. Signed-off-by: Arjun Vynipadath <arjun@chelsio.com> Signed-off-by: Vishal Kulkarni <vishal@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c57
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h8
3 files changed, 60 insertions, 6 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index b7b0eb104430..dd6379809c74 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -885,6 +885,7 @@ struct vf_info {
unsigned int tx_rate;
bool pf_set_mac;
u16 vlan;
+ int link_state;
};
enum {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 1754ff794360..45093a620c3f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2740,6 +2740,7 @@ static int cxgb4_mgmt_get_vf_config(struct net_device *dev,
ivi->min_tx_rate = 0;
ether_addr_copy(ivi->mac, vfinfo->vf_mac_addr);
ivi->vlan = vfinfo->vlan;
+ ivi->linkstate = vfinfo->link_state;
return 0;
}
@@ -2879,6 +2880,49 @@ static int cxgb4_mgmt_set_vf_vlan(struct net_device *dev, int vf,
ret, (vlan ? "setting" : "clearing"), adap->pf, vf);
return ret;
}
+
+static int cxgb4_mgmt_set_vf_link_state(struct net_device *dev, int vf,
+ int link)
+{
+ struct port_info *pi = netdev_priv(dev);
+ struct adapter *adap = pi->adapter;
+ u32 param, val;
+ int ret = 0;
+
+ if (vf >= adap->num_vfs)
+ return -EINVAL;
+
+ switch (link) {
+ case IFLA_VF_LINK_STATE_AUTO:
+ val = FW_VF_LINK_STATE_AUTO;
+ break;
+
+ case IFLA_VF_LINK_STATE_ENABLE:
+ val = FW_VF_LINK_STATE_ENABLE;
+ break;
+
+ case IFLA_VF_LINK_STATE_DISABLE:
+ val = FW_VF_LINK_STATE_DISABLE;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) |
+ FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_LINK_STATE));
+ ret = t4_set_params(adap, adap->mbox, adap->pf, vf + 1, 1,
+ &param, &val);
+ if (ret) {
+ dev_err(adap->pdev_dev,
+ "Error %d in setting PF %d VF %d link state\n",
+ ret, adap->pf, vf);
+ return -EINVAL;
+ }
+
+ adap->vfinfo[vf].link_state = link;
+ return ret;
+}
#endif /* CONFIG_PCI_IOV */
static int cxgb_set_mac_addr(struct net_device *dev, void *p)
@@ -3294,12 +3338,13 @@ static const struct net_device_ops cxgb4_netdev_ops = {
#ifdef CONFIG_PCI_IOV
static const struct net_device_ops cxgb4_mgmt_netdev_ops = {
- .ndo_open = cxgb4_mgmt_open,
- .ndo_set_vf_mac = cxgb4_mgmt_set_vf_mac,
- .ndo_get_vf_config = cxgb4_mgmt_get_vf_config,
- .ndo_set_vf_rate = cxgb4_mgmt_set_vf_rate,
- .ndo_get_phys_port_id = cxgb4_mgmt_get_phys_port_id,
- .ndo_set_vf_vlan = cxgb4_mgmt_set_vf_vlan,
+ .ndo_open = cxgb4_mgmt_open,
+ .ndo_set_vf_mac = cxgb4_mgmt_set_vf_mac,
+ .ndo_get_vf_config = cxgb4_mgmt_get_vf_config,
+ .ndo_set_vf_rate = cxgb4_mgmt_set_vf_rate,
+ .ndo_get_phys_port_id = cxgb4_mgmt_get_phys_port_id,
+ .ndo_set_vf_vlan = cxgb4_mgmt_set_vf_vlan,
+ .ndo_set_vf_link_state = cxgb4_mgmt_set_vf_link_state,
};
#endif
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 631f1663f4e0..b2a618e72fcf 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -1312,6 +1312,14 @@ enum fw_params_param_pfvf {
FW_PARAMS_PARAM_PFVF_RAWF_END = 0x37,
FW_PARAMS_PARAM_PFVF_NCRYPTO_LOOKASIDE = 0x39,
FW_PARAMS_PARAM_PFVF_PORT_CAPS32 = 0x3A,
+ FW_PARAMS_PARAM_PFVF_LINK_STATE = 0x40,
+};
+
+/* Virtual link state as seen by the specified VF */
+enum vf_link_states {
+ FW_VF_LINK_STATE_AUTO = 0x00,
+ FW_VF_LINK_STATE_ENABLE = 0x01,
+ FW_VF_LINK_STATE_DISABLE = 0x02,
};
/*