net: add DCNA attribute to the BCN interface for DCB

Adds the Backward Congestion Notification Address (BCNA) attribute to the
Backward Congestion Notification (BCN) interface for Data Center Bridging
(DCB), which was missing.  Receive the BCNA attribute in the ixgbe driver.
The BCNA attribute is for a switch to inform the endstation about the physical
port identification in order to support BCN on aggregated links.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Eric W Multanen <eric.w.multanen@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/dcbnl.h b/include/linux/dcbnl.h
index e73a61449ad6..b0ef274e0031 100644
--- a/include/linux/dcbnl.h
+++ b/include/linux/dcbnl.h
@@ -305,6 +305,8 @@ enum dcbnl_bcn_attrs{
         DCB_BCN_ATTR_RP_7,
         DCB_BCN_ATTR_RP_ALL,
 
+        DCB_BCN_ATTR_BCNA_0,
+        DCB_BCN_ATTR_BCNA_1,
         DCB_BCN_ATTR_ALPHA,
         DCB_BCN_ATTR_BETA,
         DCB_BCN_ATTR_GD,