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net/dcb: Add an optional max rate attribute

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Although not specified in 8021Qaz spec, it could be useful to enable drivers
whose HW supports setting a rate limit for an ETS TC. This patch adds this
optional attribute to DCB netlink. To use it, drivers should implement and
register the callbacks ieee_setmaxrate and ieee_getmaxrate. The units are 64
bits long and specified in Kbps to enable usage over both slow and very fast
networks.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai
2012-04-04 21:33:30 +00:00
committed by David S. Miller
parent 366cddb402
commit 08f10affe4
3 changed files with 34 additions and 0 deletions
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2
include/net/dcbnl.h
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@@ -48,6 +48,8 @@ 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_getmaxrate) (struct net_device *, struct ieee_maxrate *);
int (*ieee_setmaxrate) (struct net_device *, struct ieee_maxrate *);
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 *);