# HG changeset patch
# User Robert Mustacchi <rm@joyent.com>
# Date 1359571139 28800
# Node ID 79a93e2adfecbde2025806ad629c5d9095e6261f
# Parent  9e23a7f7b81299445dbe1fb41dd74dcdceb52ae4
3509 igb should not set alternate mac address on newer models
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Michael Speer <michael.speer@pluribusnetworks.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

diff -r 9e23a7f7b812 -r 79a93e2adfec usr/src/uts/common/io/igb/igb_mac.c
--- a/usr/src/uts/common/io/igb/igb_mac.c	Wed Jan 30 12:01:51 2013 -0800
+++ b/usr/src/uts/common/io/igb/igb_mac.c	Wed Jan 30 10:38:59 2013 -0800
@@ -333,6 +333,13 @@
 
 	DEBUGFUNC("e1000_check_alt_mac_addr_generic");
 
+	/*
+	 * On newer models, the alternate mac address is supposed to be handled
+	 * by hardware and software should just get out of the way.
+	 */
+	if (hw->mac.type >= e1000_82580)
+		return (E1000_SUCCESS);
+
 	ret_val = hw->nvm.ops.read(hw, NVM_ALT_MAC_ADDR_PTR, 1,
 	    &nvm_alt_mac_addr_offset);
 	if (ret_val) {