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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c155
1 files changed, 143 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index fcfd0a075eee..ee133d6749b3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -18,6 +18,7 @@
#include "ixgbe.h"
#include "ixgbe_type.h"
+#include "ixgbe_mbx.h"
#include "ixgbe_sriov.h"
#ifdef CONFIG_PCI_IOV
@@ -206,6 +207,7 @@ void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs)
int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
{
unsigned int num_vfs = adapter->num_vfs, vf;
+ struct ixgbe_hw *hw = &adapter->hw;
unsigned long flags;
int rss;
@@ -236,6 +238,9 @@ int ixgbe_disable_sriov(struct ixgbe_adapter *adapter)
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return 0;
+ if (hw->mac.ops.disable_mdd)
+ hw->mac.ops.disable_mdd(hw);
+
#ifdef CONFIG_PCI_IOV
/*
* If our VFs are assigned we cannot shut down SR-IOV
@@ -495,7 +500,7 @@ static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf
int err = 0;
#ifdef CONFIG_FCOE
- if (dev->features & NETIF_F_FCOE_MTU)
+ if (dev->fcoe_mtu)
pf_max_frame = max_t(int, pf_max_frame,
IXGBE_FCOE_JUMBO_FRAME_SIZE);
@@ -505,6 +510,8 @@ static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
/* Version 1.1 supports jumbo frames on VFs if PF has
* jumbo frames enabled which means legacy VFs are
* disabled
@@ -701,7 +708,7 @@ static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
u32 reg_val;
u32 queue;
- /* remove VLAN filters beloning to this VF */
+ /* remove VLAN filters belonging to this VF */
ixgbe_clear_vf_vlans(adapter, vf);
/* add back PF assigned VLAN or VLAN 0 */
@@ -857,7 +864,7 @@ static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf)
int pf_max_frame = dev->mtu + ETH_HLEN;
#if IS_ENABLED(CONFIG_FCOE)
- if (dev->features & NETIF_F_FCOE_MTU)
+ if (dev->fcoe_mtu)
pf_max_frame = max_t(int, pf_max_frame,
IXGBE_FCOE_JUMBO_FRAME_SIZE);
#endif /* CONFIG_FCOE */
@@ -1041,13 +1048,15 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
adapter->vfinfo[vf].vf_api = api;
return 0;
default:
break;
}
- e_info(drv, "VF %d requested invalid api version %u\n", vf, api);
+ e_dbg(drv, "VF %d requested unsupported api version %u\n", vf, api);
return -1;
}
@@ -1067,6 +1076,8 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
break;
default:
return -1;
@@ -1107,6 +1118,8 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_17:
+ case ixgbe_mbox_api_16:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
@@ -1140,6 +1153,8 @@ static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
/* verify the PF is supporting the correct API */
switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_17:
+ case ixgbe_mbox_api_16:
case ixgbe_mbox_api_14:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_12:
@@ -1169,6 +1184,8 @@ static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter,
fallthrough;
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
break;
default:
return -EOPNOTSUPP;
@@ -1239,6 +1256,8 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
case ixgbe_mbox_api_12:
case ixgbe_mbox_api_13:
case ixgbe_mbox_api_14:
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
break;
default:
return -EOPNOTSUPP;
@@ -1249,6 +1268,65 @@ static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter,
return 0;
}
+/**
+ * ixgbe_send_vf_link_status - send link status data to VF
+ * @adapter: pointer to adapter struct
+ * @msgbuf: pointer to message buffers
+ * @vf: VF identifier
+ *
+ * Reply for IXGBE_VF_GET_PF_LINK_STATE mbox command sending link status data.
+ *
+ * Return: 0 on success or -EOPNOTSUPP when operation is not supported.
+ */
+static int ixgbe_send_vf_link_status(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_16:
+ case ixgbe_mbox_api_17:
+ if (hw->mac.type != ixgbe_mac_e610)
+ return -EOPNOTSUPP;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ /* Simply provide stored values as watchdog & link status events take
+ * care of its freshness.
+ */
+ msgbuf[1] = adapter->link_speed;
+ msgbuf[2] = adapter->link_up;
+
+ return 0;
+}
+
+/**
+ * ixgbe_negotiate_vf_features - negotiate supported features with VF driver
+ * @adapter: pointer to adapter struct
+ * @msgbuf: pointer to message buffers
+ * @vf: VF identifier
+ *
+ * Return: 0 on success or -EOPNOTSUPP when operation is not supported.
+ */
+static int ixgbe_negotiate_vf_features(struct ixgbe_adapter *adapter,
+ u32 *msgbuf, u32 vf)
+{
+ u32 features = msgbuf[1];
+
+ switch (adapter->vfinfo[vf].vf_api) {
+ case ixgbe_mbox_api_17:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ features &= IXGBE_SUPPORTED_FEATURES;
+ msgbuf[1] = features;
+
+ return 0;
+}
+
static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
{
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
@@ -1323,6 +1401,12 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_IPSEC_DEL:
retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf);
break;
+ case IXGBE_VF_GET_PF_LINK_STATE:
+ retval = ixgbe_send_vf_link_status(adapter, msgbuf, vf);
+ break;
+ case IXGBE_VF_FEATURES_NEGOTIATE:
+ retval = ixgbe_negotiate_vf_features(adapter, msgbuf, vf);
+ break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
retval = -EIO;
@@ -1352,12 +1436,59 @@ static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
ixgbe_write_mbx(hw, &msg, 1, vf);
}
+/**
+ * ixgbe_check_mdd_event - check for MDD event on all VFs
+ * @adapter: pointer to ixgbe adapter
+ *
+ * Return: true if there is a VF on which MDD event occurred, false otherwise.
+ */
+bool ixgbe_check_mdd_event(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ DECLARE_BITMAP(vf_bitmap, 64);
+ bool ret = false;
+ int i;
+
+ if (!hw->mac.ops.handle_mdd)
+ return false;
+
+ /* Did we have a malicious event */
+ bitmap_zero(vf_bitmap, 64);
+ hw->mac.ops.handle_mdd(hw, vf_bitmap);
+
+ /* Log any blocked queues and release lock */
+ for_each_set_bit(i, vf_bitmap, 64) {
+ dev_warn(&adapter->pdev->dev,
+ "Malicious event on VF %d tx:%x rx:%x\n", i,
+ IXGBE_READ_REG(hw, IXGBE_LVMMC_TX),
+ IXGBE_READ_REG(hw, IXGBE_LVMMC_RX));
+
+ if (hw->mac.ops.restore_mdd_vf) {
+ u32 ping;
+
+ hw->mac.ops.restore_mdd_vf(hw, i);
+
+ /* get the VF to rebuild its queues */
+ adapter->vfinfo[i].clear_to_send = 0;
+ ping = IXGBE_PF_CONTROL_MSG |
+ IXGBE_VT_MSGTYPE_CTS;
+ ixgbe_write_mbx(hw, &ping, 1, i);
+ }
+
+ ret = true;
+ }
+
+ return ret;
+}
+
void ixgbe_msg_task(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
unsigned long flags;
u32 vf;
+ ixgbe_check_mdd_event(adapter);
+
spin_lock_irqsave(&adapter->vfs_lock, flags);
for (vf = 0; vf < adapter->num_vfs; vf++) {
/* process any reset requests */
@@ -1417,7 +1548,7 @@ void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter)
int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
int retval;
if (vf >= adapter->num_vfs)
@@ -1525,7 +1656,7 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
u8 qos, __be16 vlan_proto)
{
int err = 0;
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
return -EINVAL;
@@ -1643,7 +1774,7 @@ void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter)
int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
int max_tx_rate)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
int link_speed;
/* verify VF is active */
@@ -1678,7 +1809,7 @@ int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
struct ixgbe_hw *hw = &adapter->hw;
if (vf >= adapter->num_vfs)
@@ -1756,7 +1887,7 @@ void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state)
**/
int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
int ret = 0;
if (vf < 0 || vf >= adapter->num_vfs) {
@@ -1793,7 +1924,7 @@ int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state)
int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
bool setting)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
/* This operation is currently supported only for 82599 and x540
* devices.
@@ -1812,7 +1943,7 @@ 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)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
if (vf >= adapter->num_vfs)
return -EINVAL;
@@ -1835,7 +1966,7 @@ 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)
{
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
if (vf >= adapter->num_vfs)
return -EINVAL;
ivi->vf = vf;
generated by cgit (git 2.34.1) at 2025-12-25 23:24:34 +0000