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Commit Graph

20 Commits

Author SHA1 Message Date
Archie Cobbs
f0184ff8e3 Fix GCC warnings caused by initializing a zero length array. In the process,
simply things a bit by getting rid of 'struct ng_parse_struct_info' which
was useless because it only contained one field.

MFC after:	2 weeks
2002-05-31 23:48:03 +00:00
David E. O'Brien
6e551fb628 Update to C99, s/__FUNCTION__/__func__/,
also don't use ANSI string concatenation.
2001-12-10 08:09:49 +00:00
Julian Elischer
b40ce4165d KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: peter@freebsd.org, dillon@freebsd.org

X-MFC after:    ha ha ha ha
2001-09-12 08:38:13 +00:00
Julian Elischer
0633aaefef Swap egress hooks for packets entering from the monitor hooks. 2001-01-26 11:35:36 +00:00
Julian Elischer
30400f03aa Part 2 of the netgraph rewrite.
This is mostly cosmetic changes, (though I caught a bug or two while
makeing them)
Reviewed by:	archie@freebsd.org
2001-01-08 05:34:06 +00:00
Julian Elischer
069154d55f Rewrite of netgraph to start getting ready for SMP.
This version is functional and is aproaching solid..
notice I said APROACHING. There are many node types I cannot test
I have tested: echo hole ppp socket vjc iface tee bpf async tty
The rest compile and "Look" right.  More changes to follow.
DEBUGGING is enabled in this code to help if people have problems.
2001-01-06 00:46:47 +00:00
Julian Elischer
589f6ed8ce Divorce the kernel binary ABI version number from the message
format version number. (userland programs should not need to be
recompiled when the netgraph kernel internal ABI is changed.

Also fix modules that don;t handle the fact that a caller may not supply
a return message pointer. (benign at the moment because the calling code
checks, but that will change)
2000-12-18 20:03:32 +00:00
Julian Elischer
859a4d166c Reviewed by: Archie@freebsd.org
This clears out my outstanding netgraph changes.
There is a netgraph change of design in the offing and this is to some
extent a superset of soem of the new functionality and some of the old
functionality that may be removed.

This code works as before, but allows some new features that I want to
work with and evaluate. It is the basis for a version of netgraph
with integral locking for SMP use.

This is running on my test machine with no new problems :-)
2000-12-12 18:52:14 +00:00
David Malone
99cdf4ccb2 Add the use of M_ZERO to netgraph.
Submitted by:	josh@zipperup.org
Submitted by:	Robert Drehmel <robd@gmx.net>
Submitted by:	archie
Approved by:	archie
2000-11-18 15:17:43 +00:00
Julian Elischer
cc3bbd68c5 Since neither archie nor I work at Whistle any more, change our email
addresses to be the more usefu @freebsd.org ones
so we can keep getting bug-reports.
- man pages to follow..
2000-10-24 17:32:45 +00:00
Archie Cobbs
65b9a0da90 Allocate all memory (including within node constructors) with M_NOWAIT
instead of M_WAITOK, to allow for maximum flexibility.
2000-09-21 18:01:23 +00:00
Archie Cobbs
0521578550 Add new control message to atomically get and clear statistics. 2000-08-10 22:52:40 +00:00
Julian Elischer
a4ec03cfa8 Two simple changes to the kernel internal API for netgraph modules,
to support future work in flow-control and 'packet reject/replace'
processing modes.

reviewed by: phk, archie
2000-04-28 17:09:00 +00:00
Archie Cobbs
5c63f81fd4 Add control message ASCII conversion for this node type. 2000-01-27 01:32:53 +00:00
Archie Cobbs
3fae25a8a6 Use m_dup() instead of m_copypacket() to duplicate the mbuf chain.
This fixes a bug where if the original packet was modified downstream
of the tee node, then the copy could get modified too.
1999-12-01 23:11:58 +00:00
Archie Cobbs
f8307e1233 Add two new generic control messages, NGM_ASCII2BINARY and
NGM_BINARY2ASCII, which convert control messages to ASCII and back.
This allows control messages to be sent and received in ASCII form
using ngctl(8), which makes ngctl a lot more useful.

This also allows all the type-specific debugging code in libnetgraph
to go away -- instead, we just ask the node itself to do the ASCII
translation for us.

Currently, all generic control messages are supported, as well as
messages associated with the following node types: async, cisco,
ksocket, and ppp.

See /usr/share/examples/netgraph/ngctl for an example of using this.

Also give ngctl(8) the ability to print out incoming data and
control messages at any time.  Eventually nghook(8) may be subsumed.

Several other misc. bug fixes.

Reviewed by:	julian
1999-11-30 02:45:32 +00:00
Archie Cobbs
3a0d1d886a Fix crash when trying to duplicate a NULL meta. 1999-11-08 03:11:22 +00:00
Archie Cobbs
9cb887a606 Add statistics counters to "tee" netgraph node type. 1999-11-02 23:31:49 +00:00
Julian Elischer
74f5c6aa25 Add typedefs for node methods
Suggested by phk.
1999-11-01 10:00:40 +00:00
Julian Elischer
4cf49a4355 Whistle's Netgraph link-layer (sometimes more) networking infrastructure.
Been in production for 3 years now. Gives Instant Frame relay to if_sr
and if_ar drivers, and PPPOE support soon. See:
ftp://ftp.whistle.com/pub/archie/netgraph/index.html
for on-line manual pages.

Reviewed by: Doug Rabson (dfr@freebsd.org)
Obtained from:  Whistle CVS tree
1999-10-21 09:06:11 +00:00