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SubjectRe: [PATCH] CDP handler for linux
Hi Chis,

In article <Pine.LNX.4.33.0108141934130.3283-100000@monolith.shad0w.org.uk> you wrote:
> I've been working on an addition to the kernel over the past
> couple of days that enables the kernel to interpret CDP (Cisco Discovery
> Protocol) packets which can be transmited by various pieces of Cisco kit.
>
> I've got it to the stage where it will read neighbors packets and
> display them via a /proc/net entry, but I've only really tested it with
> the router I have access to here, so I was wondering:



> --- linux-2.4/net/cdp/Makefile Thu Jan 1 01:00:00 1970
> +++ linux-2.4.7-cdp/net/cdp/Makefile Thu Aug 9 12:11:44 2001
> @@ -0,0 +1,25 @@
> +#
> +# Makefile for the Linux CDP layer.
> +#
> +# Note! Dependencies are done automagically by 'make dep', which also
> +# removes any old dependencies. DON'T put your own dependencies here
> +# unless it's something special (ie not a .c file).
> +#
> +# Note 2! The CFLAGS definition is now in the main makefile...
> +
> +# We only get in/to here if CONFIG_CDP = 'y' or 'm'
> +
> +O_TARGET := cdp.o
> +
> +export-objs = af_cdp.o
You don't export symbols, so you don't need to add your object to export-objs.

> +
> +obj-y := af_cdp.o
> +
> +ifeq ($(CONFIG_CDP),m)
> + obj-m += $(O_TARGET)
> +endif
> +
> +include $(TOPDIR)/Rules.make
> +
> +tar:
> + tar -cvf /dev/f1 .

Kill this tar rule, please :)

> diff -urN -X dontdiff linux-2.4/net/cdp/af_cdp.c linux-2.4.7-cdp/net/cdp/af_cdp.c
> --- linux-2.4/net/cdp/af_cdp.c Thu Jan 1 01:00:00 1970
> +++ linux-2.4.7-cdp/net/cdp/af_cdp.c Tue Aug 14 19:14:11 2001
> @@ -0,0 +1,509 @@
> +/*
> + * Implements a CDP handler.
> + *
> + * This code is derived from protocol specifications by Cisco Systems
> + * and various code culled from the Kernel source tree, mostly the IPX
> + * code.
> + *
> + * Unless otherwise commented, all revisions by Chris Crowther.
> + *
> + * Revision 0.1.0: Initial coding.
> + * Revision 0.1.1: Incoming CDP packet handling working, prefix's and addresses
> + * need handling still.
> + *
> + * Portions Copyright (c) 2001 Chris Crowther.

I think it's all yours, isn't it?


Besides this little nitpicks I'd like to give you the advise to send this
to linuxnetdev, too.

Christoph

--
Whip me. Beat me. Make me maintain AIX.
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