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path: root/drivers/net/ixgbe/ixgbe_common.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_common.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_common.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 40ff120..688b8ca 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -1382,10 +1382,10 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw,
hw->addr_ctrl.overflow_promisc = 0;
/* Zero out the other receive addresses */
- hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use);
- for (i = 1; i <= uc_addr_in_use; i++) {
- IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);
- IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);
+ hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use + 1);
+ for (i = 0; i < uc_addr_in_use; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0);
}
/* Add the new addresses */
@@ -1755,17 +1755,24 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
/*
* On backplane, bail out if
* - backplane autoneg was not completed, or if
- * - link partner is not AN enabled
+ * - we are 82599 and link partner is not AN enabled
*/
if (hw->phy.media_type == ixgbe_media_type_backplane) {
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
- links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
- if (((links & IXGBE_LINKS_KX_AN_COMP) == 0) ||
- ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)) {
+ if ((links & IXGBE_LINKS_KX_AN_COMP) == 0) {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
goto out;
}
+
+ if (hw->mac.type == ixgbe_mac_82599EB) {
+ links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
+ if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0) {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ goto out;
+ }
+ }
}
/*
@@ -1784,6 +1791,20 @@ s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw)
}
/*
+ * Bail out on
+ * - copper or CX4 adapters
+ * - fiber adapters running at 10gig
+ */
+ if ((hw->phy.media_type == ixgbe_media_type_copper) ||
+ (hw->phy.media_type == ixgbe_media_type_cx4) ||
+ ((hw->phy.media_type == ixgbe_media_type_fiber) &&
+ (speed == IXGBE_LINK_SPEED_10GB_FULL))) {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ goto out;
+ }
+
+ /*
* Read the AN advertisement and LP ability registers and resolve
* local flow control settings accordingly
*/
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