On 2/5/2021 3:34 AM, Jiawen Wu wrote:
Add support to get link speed, duplex mode and state of VF device.
Signed-off-by: Jiawen Wu <jiawe...@trustnetic.com>
<...>
+/**
+ * txgbe_check_mac_link_vf - Get link/speed status
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true is link is up, false otherwise
+ * @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ * Reads the links register to determine if link is up and the current speed
+ **/
+s32 txgbe_check_mac_link_vf(struct txgbe_hw *hw, u32 *speed,
+ bool *link_up, bool wait_to_complete)
+{
+ /**
+ * for a quick link status checking, wait_to_compelet == 0,
+ * skip PF link status checking
+ */
+ bool no_pflink_check = wait_to_complete == 0;
+ struct txgbe_mbx_info *mbx = &hw->mbx;
+ struct txgbe_mac_info *mac = &hw->mac;
+ s32 ret_val = 0;
+ u32 links_reg;
+ u32 in_msg = 0;
+ UNREFERENCED_PARAMETER(wait_to_complete);
'wait_to_complete' is used.
