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path: root/drivers/net/igb/igb_main.c
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Diffstat (limited to 'drivers/net/igb/igb_main.c')
-rw-r--r--drivers/net/igb/igb_main.c100
1 files changed, 81 insertions, 19 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 892d196f17a..58c665b7513 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -73,6 +73,8 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER_DUAL), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SGMII), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SERDES), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_BACKPLANE), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SFP), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
@@ -1654,7 +1656,7 @@ void igb_reset(struct igb_adapter *adapter)
if (adapter->vfs_allocated_count) {
int i;
for (i = 0 ; i < adapter->vfs_allocated_count; i++)
- adapter->vf_data[i].flags = 0;
+ adapter->vf_data[i].flags &= IGB_VF_FLAG_PF_SET_MAC;
/* ping all the active vfs to let them know we are going down */
igb_ping_all_vfs(adapter);
@@ -1729,12 +1731,13 @@ static int __devinit igb_probe(struct pci_dev *pdev,
struct igb_adapter *adapter;
struct e1000_hw *hw;
u16 eeprom_data = 0;
+ s32 ret_val;
static int global_quad_port_a; /* global quad port a indication */
const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
unsigned long mmio_start, mmio_len;
int err, pci_using_dac;
u16 eeprom_apme_mask = IGB_EEPROM_APME;
- u32 part_num;
+ u8 part_str[E1000_PBANUM_LENGTH];
/* Catch broken hardware that put the wrong VF device ID in
* the PCIe SR-IOV capability.
@@ -2000,10 +2003,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
"unknown"),
netdev->dev_addr);
- igb_read_part_num(hw, &part_num);
- dev_info(&pdev->dev, "%s: PBA No: %06x-%03x\n", netdev->name,
- (part_num >> 8), (part_num & 0xff));
-
+ ret_val = igb_read_part_string(hw, part_str, E1000_PBANUM_LENGTH);
+ if (ret_val)
+ strcpy(part_str, "Unknown");
+ dev_info(&pdev->dev, "%s: PBA No: %s\n", netdev->name, part_str);
dev_info(&pdev->dev,
"Using %s interrupts. %d rx queue(s), %d tx queue(s)\n",
adapter->msix_entries ? "MSI-X" :
@@ -2049,13 +2052,16 @@ static void __devexit igb_remove(struct pci_dev *pdev)
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- /* flush_scheduled work may reschedule our watchdog task, so
- * explicitly disable watchdog tasks from being rescheduled */
+ /*
+ * The watchdog timer may be rescheduled, so explicitly
+ * disable watchdog from being rescheduled.
+ */
set_bit(__IGB_DOWN, &adapter->state);
del_timer_sync(&adapter->watchdog_timer);
del_timer_sync(&adapter->phy_info_timer);
- flush_scheduled_work();
+ cancel_work_sync(&adapter->reset_task);
+ cancel_work_sync(&adapter->watchdog_task);
#ifdef CONFIG_IGB_DCA
if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
@@ -2436,10 +2442,9 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring)
int size;
size = sizeof(struct igb_buffer) * tx_ring->count;
- tx_ring->buffer_info = vmalloc(size);
+ tx_ring->buffer_info = vzalloc(size);
if (!tx_ring->buffer_info)
goto err;
- memset(tx_ring->buffer_info, 0, size);
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
@@ -2587,10 +2592,9 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring)
int size, desc_len;
size = sizeof(struct igb_buffer) * rx_ring->count;
- rx_ring->buffer_info = vmalloc(size);
+ rx_ring->buffer_info = vzalloc(size);
if (!rx_ring->buffer_info)
goto err;
- memset(rx_ring->buffer_info, 0, size);
desc_len = sizeof(union e1000_adv_rx_desc);
@@ -3362,6 +3366,45 @@ static void igb_set_rx_mode(struct net_device *netdev)
igb_restore_vf_multicasts(adapter);
}
+static void igb_check_wvbr(struct igb_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ u32 wvbr = 0;
+
+ switch (hw->mac.type) {
+ case e1000_82576:
+ case e1000_i350:
+ if (!(wvbr = rd32(E1000_WVBR)))
+ return;
+ break;
+ default:
+ break;
+ }
+
+ adapter->wvbr |= wvbr;
+}
+
+#define IGB_STAGGERED_QUEUE_OFFSET 8
+
+static void igb_spoof_check(struct igb_adapter *adapter)
+{
+ int j;
+
+ if (!adapter->wvbr)
+ return;
+
+ for(j = 0; j < adapter->vfs_allocated_count; j++) {
+ if (adapter->wvbr & (1 << j) ||
+ adapter->wvbr & (1 << (j + IGB_STAGGERED_QUEUE_OFFSET))) {
+ dev_warn(&adapter->pdev->dev,
+ "Spoof event(s) detected on VF %d\n", j);
+ adapter->wvbr &=
+ ~((1 << j) |
+ (1 << (j + IGB_STAGGERED_QUEUE_OFFSET)));
+ }
+ }
+}
+
/* Need to wait a few seconds after link up to get diagnostic information from
* the phy */
static void igb_update_phy_info(unsigned long data)
@@ -3521,6 +3564,8 @@ static void igb_watchdog_task(struct work_struct *work)
wr32(E1000_ICS, E1000_ICS_RXDMT0);
}
+ igb_spoof_check(adapter);
+
/* Reset the timer */
if (!test_bit(__IGB_DOWN, &adapter->state))
mod_timer(&adapter->watchdog_timer,
@@ -4517,6 +4562,10 @@ static irqreturn_t igb_msix_other(int irq, void *data)
if (icr & E1000_ICR_DOUTSYNC) {
/* HW is reporting DMA is out of sync */
adapter->stats.doosync++;
+ /* The DMA Out of Sync is also indication of a spoof event
+ * in IOV mode. Check the Wrong VM Behavior register to
+ * see if it is really a spoof event. */
+ igb_check_wvbr(adapter);
}
/* Check for a mailbox event */
@@ -4969,8 +5018,8 @@ static int igb_set_vf_vlan(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
{
- /* clear flags */
- adapter->vf_data[vf].flags &= ~(IGB_VF_FLAG_PF_SET_MAC);
+ /* clear flags - except flag that indicates PF has set the MAC */
+ adapter->vf_data[vf].flags &= IGB_VF_FLAG_PF_SET_MAC;
adapter->vf_data[vf].last_nack = jiffies;
/* reset offloads to defaults */
@@ -5024,7 +5073,7 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
reg = rd32(E1000_VFRE);
wr32(E1000_VFRE, reg | (1 << vf));
- adapter->vf_data[vf].flags = IGB_VF_FLAG_CTS;
+ adapter->vf_data[vf].flags |= IGB_VF_FLAG_CTS;
/* reply to reset with ack and vf mac address */
msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK;
@@ -5103,7 +5152,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
switch ((msgbuf[0] & 0xFFFF)) {
case E1000_VF_SET_MAC_ADDR:
- retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
+ retval = -EINVAL;
+ if (!(vf_data->flags & IGB_VF_FLAG_PF_SET_MAC))
+ retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
+ else
+ dev_warn(&pdev->dev,
+ "VF %d attempted to override administratively "
+ "set MAC address\nReload the VF driver to "
+ "resume operations\n", vf);
break;
case E1000_VF_SET_PROMISC:
retval = igb_set_vf_promisc(adapter, msgbuf, vf);
@@ -5115,8 +5171,12 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
retval = igb_set_vf_rlpml(adapter, msgbuf[1], vf);
break;
case E1000_VF_SET_VLAN:
- if (adapter->vf_data[vf].pf_vlan)
- retval = -1;
+ retval = -1;
+ if (vf_data->pf_vlan)
+ dev_warn(&pdev->dev,
+ "VF %d attempted to override administratively "
+ "set VLAN tag\nReload the VF driver to "
+ "resume operations\n", vf);
else
retval = igb_set_vf_vlan(adapter, msgbuf, vf);
break;
@@ -6580,6 +6640,8 @@ static void igb_vmm_control(struct igb_adapter *adapter)
if (adapter->vfs_allocated_count) {
igb_vmdq_set_loopback_pf(hw, true);
igb_vmdq_set_replication_pf(hw, true);
+ igb_vmdq_set_anti_spoofing_pf(hw, true,
+ adapter->vfs_allocated_count);
} else {
igb_vmdq_set_loopback_pf(hw, false);
igb_vmdq_set_replication_pf(hw, false);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 03:35:16 +0000