diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 39b3b6aa650..2cb546078c5 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -5029,6 +5029,34 @@ static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } +s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + u16 cap_offset; + + cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP); + if (!cap_offset) + return -E1000_ERR_CONFIG; + + pci_read_config_word(adapter->pdev, cap_offset + reg, value); + + return 0; +} + +s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + u16 cap_offset; + + cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP); + if (!cap_offset) + return -E1000_ERR_CONFIG; + + pci_write_config_word(adapter->pdev, cap_offset + reg, *value); + + return 0; +} + static void igb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) { |