ixgbe: this patch adds support for DCB to the kernel and ixgbe driver

This adds support for Data Center Bridging (DCB) features in the ixgbe
driver and adds an rtnetlink interface for configuring DCB to the
kernel.  The DCB feature support included are Priority Grouping (PG) -
which allows bandwidth guarantees to be allocated to groups to traffic
based on the 802.1q priority, and Priority Based Flow Control (PFC) -
which introduces a new MAC control PAUSE frame which works at
granularity of the 802.1p priority instead of the link (IEEE 802.3x).

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d8fb23679ee3..6095af572dfd 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -43,6 +43,9 @@
 
 #include <net/net_namespace.h>
 #include <net/dsa.h>
+#ifdef CONFIG_DCBNL
+#include <net/dcbnl.h>
+#endif
 
 struct vlan_group;
 struct ethtool_ops;
@@ -843,6 +846,11 @@ struct net_device
 #define GSO_MAX_SIZE            65536
         unsigned int            gso_max_size;
 
+#ifdef CONFIG_DCBNL
+        /* Data Center Bridging netlink ops */
+        struct dcbnl_rtnl_ops *dcbnl_ops;
+#endif
+
 #ifdef CONFIG_COMPAT_NET_DEV_OPS
         struct {
                 int                     (*init)(struct net_device *dev);