Date: Fri, 05 Jan 2001 16:50:19 -0800 From: Julian Elischer <julian@elischer.org> To: net@freebsd.org, current@freebsd.org Subject: Re: HEADSUP! New netgraph code coming Message-ID: <3A566BCB.BFD6FA2D@elischer.org> References: <3A5567A7.A11F47E3@elischer.org>
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This has been committed.
People with unusual netgraph usage should contact me
for assistance if things fail.
In particular I would like to get some more pppoe users to try
it as I haven't convinced myself it's tested enough.
For the Netgraph-aware, the following changes have been made.
1/ data and contol-messages are now delivered as part of a larger
entity called an 'item'. Thus the prototypes for these methods has
changed and the code must be changed to free this (or not) as required.
2/ piggyback responses have been removed, The new response method
is almost as quick and much cleaner.
3/ All nodes have queues into which items are place IFF
there is lock contention and teh data cannot be processed immediatly.
I expect the code to be a LITLE shaky for a few days around the time
when nodes are deleted. but operation seems solid.
Julian Elischer wrote:
>
> I have a largely rewritten version of netgraph
> ready for commit.
> It is redesigned to work in an SMP "ouside the BGL" environment.
> I have not completed it to the stage yet that it will run
> without BGL yet but it's close and it's running stably.
>
> I hope to commit this in about 24 hours (maybe less)
>
> the files concerned are:
>
> julian@jules:grep Index: /tmp/xx
> Index: sys/dev/lmc/if_lmc.c
> Index: sys/dev/usb/udbp.c
> Index: sys/i386/isa/if_ar.c
> Index: sys/i386/isa/if_sr.c
> Index: sys/i4b/driver/i4b_ing.c
> Index: sys/pci/if_mn.c
> Index: sys/dev/musycc/musycc.c
> Index: sys/netgraph/netgraph.h
> Index: sys/netgraph/ng_UI.c
> Index: sys/netgraph/ng_async.c
> Index: sys/netgraph/ng_base.c
> Index: sys/netgraph/ng_bpf.c
> Index: sys/netgraph/ng_bridge.c
> Index: sys/netgraph/ng_cisco.c
> Index: sys/netgraph/ng_echo.c
> Index: sys/netgraph/ng_ether.c
> Index: sys/netgraph/ng_frame_relay.c
> Index: sys/netgraph/ng_hole.c
> Index: sys/netgraph/ng_iface.c
> Index: sys/netgraph/ng_ksocket.c
> Index: sys/netgraph/ng_lmi.c
> Index: sys/netgraph/ng_message.h
> Index: sys/netgraph/ng_mppc.c
> Index: sys/netgraph/ng_one2many.c
> Index: sys/netgraph/ng_ppp.c
> Index: sys/netgraph/ng_pppoe.c
> Index: sys/netgraph/ng_pptpgre.c
> Index: sys/netgraph/ng_rfc1490.c
> Index: sys/netgraph/ng_sample.c
> Index: sys/netgraph/ng_socket.c
> Index: sys/netgraph/ng_tee.c
> Index: sys/netgraph/ng_tty.c
> Index: sys/netgraph/ng_vjc.c
e
--
__--_|\ Julian Elischer
/ \ julian@elischer.org
( OZ ) World tour 2000
---> X_.---._/ from Perth, presently in: Budapest
v
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