+static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw)
+{
+ switch (hw->phy.type) {
+ case ixgbe_phy_sfp_avago:
+ case ixgbe_phy_sfp_ftl:
+ case ixgbe_phy_sfp_intel:
+ case ixgbe_phy_sfp_unknown:
+ case ixgbe_phy_tw_tyco:
+ case ixgbe_phy_tw_unknown:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/**
+ * ixgbe_sfp_link_config - set up SFP+ link
+ * @adapter: pointer to private adapter struct
+ **/
+static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (hw->phy.multispeed_fiber) {
+ /*
+ * In multispeed fiber setups, the device may not have
+ * had a physical connection when the driver loaded.
+ * If that's the case, the initial link configuration
+ * couldn't get the MAC into 10G or 1G mode, so we'll
+ * never have a link status change interrupt fire.
+ * We need to try and force an autonegotiation
+ * session, then bring up link.
+ */
+ hw->mac.ops.setup_sfp(hw);
+ if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK))
+ schedule_work(&adapter->multispeed_fiber_task);
+ } else {
+ /*
+ * Direct Attach Cu and non-multispeed fiber modules
+ * still need to be configured properly prior to
+ * attempting link.
+ */
+ if (!(adapter->flags & IXGBE_FLAG_IN_SFP_MOD_TASK))
+ schedule_work(&adapter->sfp_config_module_task);
+ }
+}
+
+/**
+ * ixgbe_non_sfp_link_config - set up non-SFP+ link
+ * @hw: pointer to private hardware struct
+ *
+ * Returns 0 on success, negative on failure
+ **/
+static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
+{
+ u32 autoneg;
+ bool link_up = false;
+ u32 ret = IXGBE_ERR_LINK_SETUP;
+
+ if (hw->mac.ops.check_link)
+ ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false);
+
+ if (ret)
+ goto link_cfg_out;
+
+ if (hw->mac.ops.get_link_capabilities)
+ ret = hw->mac.ops.get_link_capabilities(hw, &autoneg,
+ &hw->mac.autoneg);
+ if (ret)
+ goto link_cfg_out;
+
+ if (hw->mac.ops.setup_link_speed)
+ ret = hw->mac.ops.setup_link_speed(hw, autoneg, true, link_up);
+link_cfg_out:
+ return ret;
+}
+
+#define IXGBE_MAX_RX_DESC_POLL 10
+static inline void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter,
+ int rxr)
+{
+ int j = adapter->rx_ring[rxr].reg_idx;
+ int k;
+
+ for (k = 0; k < IXGBE_MAX_RX_DESC_POLL; k++) {
+ if (IXGBE_READ_REG(&adapter->hw,
+ IXGBE_RXDCTL(j)) & IXGBE_RXDCTL_ENABLE)
+ break;
+ else
+ msleep(1);
+ }
+ if (k >= IXGBE_MAX_RX_DESC_POLL) {
+ DPRINTK(DRV, ERR, "RXDCTL.ENABLE on Rx queue %d "
+ "not set within the polling period\n", rxr);
+ }
+ ixgbe_release_rx_desc(&adapter->hw, &adapter->rx_ring[rxr],
+ (adapter->rx_ring[rxr].count - 1));
+}
+