bnx2x: PFC fixes

Set the source MAC address for PFC packets and update its status during PMF migration.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x_hsi.h b/drivers/net/bnx2x/bnx2x_hsi.h
index df53558..d6a7aa9 100644
--- a/drivers/net/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/bnx2x/bnx2x_hsi.h
@@ -1196,6 +1196,8 @@
 	#define LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE		0x00800000
 	#define LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE		0x10000000
 
+	#define LINK_STATUS_PFC_ENABLED				0x20000000
+
 	u32 port_stx;
 
 	u32 stat_nig_timer;