From 7a6b6f515f77d1c62a2f383b6dce18cb0af0cf4f Mon Sep 17 00:00:00 2001 From: Jeff Kirsher Date: Tue, 25 Nov 2008 01:02:08 -0800 Subject: DCB: fix kconfig option Since the netlink option for DCB is necessary to actually be useful, simplified the Kconfig option. In addition, added useful help text for the Kconfig option. Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- net/dcb/Kconfig | 24 +++++++++++++++++------- net/dcb/dcbnl.c | 2 +- 2 files changed, 18 insertions(+), 8 deletions(-) (limited to 'net/dcb') diff --git a/net/dcb/Kconfig b/net/dcb/Kconfig index bdf3880..4066d59 100644 --- a/net/dcb/Kconfig +++ b/net/dcb/Kconfig @@ -1,12 +1,22 @@ config DCB - tristate "Data Center Bridging support" - -config DCBNL - bool "Data Center Bridging netlink interface support" - depends on DCB + bool "Data Center Bridging support" default n ---help--- - This option turns on the netlink interface - (dcbnl) for Data Center Bridging capable devices. + This enables support for configuring Data Center Bridging (DCB) + features on DCB capable Ethernet adapters via rtnetlink. Say 'Y' + if you have a DCB capable Ethernet adapter which supports this + interface and you are connected to a DCB capable switch. + + DCB is a collection of Ethernet enhancements which allow DCB capable + NICs and switches to support network traffic with differing + requirements (highly reliable, no drops vs. best effort vs. low + latency) to co-exist on Ethernet. + + DCB features include: + Enhanced Transmission Selection (aka Priority Grouping) - provides a + framework for assigning bandwidth guarantees to traffic classes. + Priority-based Flow Control (PFC) - a MAC control pause frame which + works at the granularity of the 802.1p priority instead of the + link (802.3x). If unsure, say N. diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index b2bda3f..79a351d 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -48,7 +48,7 @@ */ MODULE_AUTHOR("Lucy Liu, "); -MODULE_DESCRIPTION("Data Center Bridging generic netlink interface"); +MODULE_DESCRIPTION("Data Center Bridging netlink interface"); MODULE_LICENSE("GPL"); /**************** DCB attribute policies *************************************/ -- cgit v1.1