@@ -177,6 +177,8 @@ struct vf_data_storage {
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
u16 tx_rate;
+ int link_enable;
+ int link_state;
u8 spoofchk_enabled;
bool rss_query_enabled;
u8 trusted;
@@ -5682,6 +5682,9 @@ static void ixgbe_up_complete(struct ixgbe_adapter *adapter)
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
+
+ /* update setting rx tx for all active vfs */
+ ixgbe_set_all_vfs(adapter);
}
void ixgbe_reinit_locked(struct ixgbe_adapter *adapter)
@@ -6139,11 +6142,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
for (i = 0 ; i < adapter->num_vfs; i++)
adapter->vfinfo[i].clear_to_send = false;
- /* ping all the active vfs to let them know we are going down */
- ixgbe_ping_all_vfs(adapter);
-
- /* Disable all VFTE/VFRE TX/RX */
- ixgbe_disable_tx_rx(adapter);
+ /* update setting rx tx for all active vfs */
+ ixgbe_set_all_vfs(adapter);
}
/* disable transmits in the hardware now that interrupts are off */
@@ -10260,6 +10260,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_set_vf_vlan = ixgbe_ndo_set_vf_vlan,
.ndo_set_vf_rate = ixgbe_ndo_set_vf_bw,
.ndo_set_vf_spoofchk = ixgbe_ndo_set_vf_spoofchk,
+ .ndo_set_vf_link_state = ixgbe_ndo_set_vf_link_state,
.ndo_set_vf_rss_query_en = ixgbe_ndo_set_vf_rss_query_en,
.ndo_set_vf_trust = ixgbe_ndo_set_vf_trust,
.ndo_get_vf_config = ixgbe_ndo_get_vf_config,
@@ -85,6 +85,8 @@ enum ixgbe_pfvf_api_rev {
#define IXGBE_VF_IPSEC_ADD 0x0d
#define IXGBE_VF_IPSEC_DEL 0x0e
+#define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */
+
/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4
/* word in permanent address message with the current multicast type */
@@ -96,6 +96,7 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
for (i = 0; i < num_vfs; i++) {
/* enable spoof checking for all VFs */
adapter->vfinfo[i].spoofchk_enabled = true;
+ adapter->vfinfo[i].link_enable = true;
/* We support VF RSS querying only for 82599 and x540
* devices at the moment. These devices share RSS
@@ -820,6 +821,57 @@ static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf,
}
}
+/**
+ * ixgbe_set_vf_rx_tx - Set VF rx tx
+ * @adapter: Pointer to adapter struct
+ * @vf: VF identifier
+ *
+ * Set or reset correct transmit and receive for vf
+ **/
+static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf)
+{
+ u32 reg_cur_tx, reg_cur_rx, reg_req_tx, reg_req_rx;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 reg_offset, vf_shift;
+
+ vf_shift = vf % 32;
+ reg_offset = vf / 32;
+
+ reg_cur_tx = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
+ reg_cur_rx = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
+
+ if (adapter->vfinfo[vf].link_enable) {
+ reg_req_tx = reg_cur_tx | 1 << vf_shift;
+ reg_req_rx = reg_cur_rx | 1 << vf_shift;
+ } else {
+ reg_req_tx = reg_cur_tx & ~(1 << vf_shift);
+ reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
+ }
+
+ /* The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
+ * For more info take a look at ixgbe_set_vf_lpe
+ */
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ struct net_device *dev = adapter->netdev;
+ int pf_max_frame = dev->mtu + ETH_HLEN;
+
+#if IS_ENABLED(CONFIG_FCOE)
+ if (dev->features & NETIF_F_FCOE_MTU)
+ pf_max_frame = max_t(int, pf_max_frame,
+ IXGBE_FCOE_JUMBO_FRAME_SIZE);
+#endif /* CONFIG_FCOE */
+
+ if (pf_max_frame > ETH_FRAME_LEN)
+ reg_req_rx = reg_cur_rx & ~(1 << vf_shift);
+ }
+
+ /* Enable/Disable particular VF */
+ if (reg_cur_tx != reg_req_tx)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg_req_tx);
+ if (reg_cur_rx != reg_req_rx)
+ IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg_req_rx);
+}
+
static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
{
struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ];
@@ -845,11 +897,6 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
vf_shift = vf % 32;
reg_offset = vf / 32;
- /* enable transmit for vf */
- reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
- reg |= BIT(vf_shift);
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
-
/* force drop enable for all VF Rx queues */
reg = IXGBE_QDE_ENABLE;
if (adapter->vfinfo[vf].pf_vlan)
@@ -857,27 +904,7 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
ixgbe_write_qde(adapter, vf, reg);
- /* enable receive for vf */
- reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
- reg |= BIT(vf_shift);
- /*
- * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs.
- * For more info take a look at ixgbe_set_vf_lpe
- */
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- struct net_device *dev = adapter->netdev;
- int pf_max_frame = dev->mtu + ETH_HLEN;
-
-#ifdef CONFIG_FCOE
- if (dev->features & NETIF_F_FCOE_MTU)
- pf_max_frame = max_t(int, pf_max_frame,
- IXGBE_FCOE_JUMBO_FRAME_SIZE);
-
-#endif /* CONFIG_FCOE */
- if (pf_max_frame > ETH_FRAME_LEN)
- reg &= ~BIT(vf_shift);
- }
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
+ ixgbe_set_vf_rx_tx(adapter, vf);
/* enable VF mailbox for further messages */
adapter->vfinfo[vf].clear_to_send = true;
@@ -1202,6 +1229,26 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
return 0;
}
+static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u32 *link_state = &msgbuf[1];
+
+ /* verify the PF is supporting the correct API */
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_12:
+ case ixgbe_mbox_api_13:
+ case ixgbe_mbox_api_14:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ *link_state = adapter->vfinfo[vf].link_enable;
+
+ return 0;
+}
+
static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
{
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
@@ -1267,6 +1314,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_UPDATE_XCAST_MODE:
retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf);
break;
+ case IXGBE_VF_GET_LINK_STATE:
+ retval = ixgbe_get_vf_link_state(adapter, msgbuf, vf);
+ break;
case IXGBE_VF_IPSEC_ADD:
retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf);
break;
@@ -1322,18 +1372,6 @@ void ixgbe_msg_task(struct ixgbe_adapter *adapter)
}
}
-void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
-
- /* disable transmit and receive for all vfs */
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
-
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
-}
-
static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf)
{
struct ixgbe_hw *hw = &adapter->hw;
@@ -1359,6 +1397,21 @@ void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
}
}
+/**
+ * ixgbe_set_all_vfs - update vfs queues
+ * @adapter: Pointer to adapter struct
+ *
+ * Update setting transmit and receive queues for all vfs
+ **/
+void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0 ; i < adapter->num_vfs; i++)
+ ixgbe_set_vf_link_state(adapter, i,
+ adapter->vfinfo[i].link_state);
+}
+
int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
struct ixgbe_adapter *adapter = netdev_priv(netdev);
@@ -1656,6 +1709,84 @@ int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
return 0;
}
+/**
+ * ixgbe_set_vf_link_state - Set link state
+ * @adapter: Pointer to adapter struct
+ * @vf: VF identifier
+ * @state: required link state
+ *
+ * Set a link force state on/off a single vf
+ **/
+void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state)
+{
+ adapter->vfinfo[vf].link_state = state;
+
+ switch (state) {
+ case IFLA_VF_LINK_STATE_AUTO:
+ if (test_bit(__IXGBE_DOWN, &adapter->state))
+ adapter->vfinfo[vf].link_enable = false;
+ else
+ adapter->vfinfo[vf].link_enable = true;
+ break;
+ case IFLA_VF_LINK_STATE_ENABLE:
+ adapter->vfinfo[vf].link_enable = true;
+ break;
+ case IFLA_VF_LINK_STATE_DISABLE:
+ adapter->vfinfo[vf].link_enable = false;
+ break;
+ }
+
+ ixgbe_set_vf_rx_tx(adapter, vf);
+
+ /* restart the VF */
+ adapter->vfinfo[vf].clear_to_send = false;
+ ixgbe_ping_vf(adapter, vf);
+}
+
+/**
+ * ixgbe_ndo_set_vf_link_state - Set link state
+ * @netdev: network interface device structure
+ * @vf: VF identifier
+ * @state: required link state
+ *
+ * Set the link state of a specified VF, regardless of physical link state
+ **/
+int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int ret = 0;
+
+ if (vf < 0 || vf >= adapter->num_vfs) {
+ dev_err(&adapter->pdev->dev,
+ "NDO set VF link - invalid VF identifier %d\n", vf);
+ return -EINVAL;
+ }
+
+ switch (state) {
+ case IFLA_VF_LINK_STATE_ENABLE:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state %d - not supported\n",
+ vf, state);
+ break;
+ case IFLA_VF_LINK_STATE_DISABLE:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state disable\n", vf);
+ ixgbe_set_vf_link_state(adapter, vf, state);
+ break;
+ case IFLA_VF_LINK_STATE_AUTO:
+ dev_info(&adapter->pdev->dev,
+ "NDO set VF %d link state auto\n", vf);
+ ixgbe_set_vf_link_state(adapter, vf, state);
+ break;
+ default:
+ dev_err(&adapter->pdev->dev,
+ "NDO set VF %d - invalid link state %d\n", vf, state);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
bool setting)
{
@@ -17,8 +17,8 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter);
#endif
void ixgbe_msg_task(struct ixgbe_adapter *adapter);
int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask);
-void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter);
void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter);
+void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter);
int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int queue, u8 *mac);
int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan,
u8 qos, __be16 vlan_proto);
@@ -31,7 +31,9 @@ int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting);
int ixgbe_ndo_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi);
+int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state);
void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter);
+void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state);
int ixgbe_disable_sriov(struct ixgbe_adapter *adapter);
#ifdef CONFIG_PCI_IOV
void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs);