dcbnl: add support for ieee8021Qaz attributes

The IEEE8021Qaz is the IEEE standard version of CEE. The
standard has had enough significant changes from the CEE
version that many of the CEE attributes have no meaning
in the new spec or do not easily map to IEEE standards.

Rather then attempt to create a complicated mapping
between CEE and IEEE standards this patch adds a nested
IEEE attribute to the list of DCB attributes. The policy
is,

	[DCB_ATTR_IFNAME]
	[DCB_ATTR_STATE]
	...
	[DCB_ATTR_IEEE]
		[DCB_ATTR_IEEE_ETS]
		[DCB_ATTR_IEEE_PFC]
		[DCB_ATTR_IEEE_APP_TABLE]
			[DCB_ATTR_IEEE_APP]
			...

The following dcbnl_rtnl_ops routines were added to handle
the IEEE standard,

	int (*ieee_getets) (struct net_device *, struct ieee_ets *);
	int (*ieee_setets) (struct net_device *, struct ieee_ets *);
	int (*ieee_getpfc) (struct net_device *, struct ieee_pfc *);
	int (*ieee_setpfc) (struct net_device *, struct ieee_pfc *);
	int (*ieee_getapp) (struct net_device *, struct dcb_app *);
	int (*ieee_setapp) (struct net_device *, struct dcb_app *);

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h
index b36ac7e0914d..e2d841e963b3 100644
--- a/include/net/dcbnl.h
+++ b/include/net/dcbnl.h
@@ -20,11 +20,22 @@
 #ifndef __NET_DCBNL_H__
 #define __NET_DCBNL_H__
 
+#include <linux/dcbnl.h>
+
 /*
  * Ops struct for the netlink callbacks.  Used by DCB-enabled drivers through
  * the netdevice struct.
  */
 struct dcbnl_rtnl_ops {
+        /* IEEE 802.1Qaz std */
+        int (*ieee_getets) (struct net_device *, struct ieee_ets *);
+        int (*ieee_setets) (struct net_device *, struct ieee_ets *);
+        int (*ieee_getpfc) (struct net_device *, struct ieee_pfc *);
+        int (*ieee_setpfc) (struct net_device *, struct ieee_pfc *);
+        int (*ieee_getapp) (struct net_device *, struct dcb_app *);
+        int (*ieee_setapp) (struct net_device *, struct dcb_app *);
+
+        /* CEE std */
         u8   (*getstate)(struct net_device *);
         u8   (*setstate)(struct net_device *, u8);
         void (*getpermhwaddr)(struct net_device *, u8 *);