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93 Commits

Author SHA1 Message Date
Jake Burkholder
e39756439c Back out the previous change to the queue(3) interface. 
It was not discussed and should probably not happen.

Requested by:		msmith and others
 2000-05-26 02:09:24 +00:00
Jake Burkholder
740a1973a6 Change the way that the queue(3) structures are declared; don't assume that 
the type argument to *_HEAD and *_ENTRY is a struct.

Suggested by:	phk
Reviewed by:	phk
Approved by:	mdodd
 2000-05-23 20:41:01 +00:00
Archie Cobbs
b715c697bf Add hook for IPv6. 2000-05-10 16:54:00 +00:00
Archie Cobbs
9bee7adfa8 Fix a couple of bugs: 
- Properly handle 32 bit sequence numbers when they wrap around
- Don't drop GRE packets with stale ACK numbers, just ignore the ACK
- Close race between node being shutdown and timer going off
Also add support for lots of statistics, and control message ASCIIfication
 2000-05-05 01:11:39 +00:00
Archie Cobbs
1bdebe4d45 Don't assume *lasthook is initialized in ng_path2node(). 2000-05-02 17:09:46 +00:00
Archie Cobbs
a9b3dca54d Fix broken multi-link fragment reassembly algorithm. 
Add hook for IPv6. Misc cleanups.

PR:		kern/16335
 2000-05-02 00:09:18 +00:00
Archie Cobbs
dce9390ed0 Macro call to ng_send_dataq() should have been to ng_send_data() instead. 2000-05-01 23:34:15 +00:00
Archie Cobbs
a096e45ab9 Use 'type_name' structure field instead of 'typename', which is 
a C++ reserved work.

Add a ng_copy_meta() function.
 2000-05-01 23:29:19 +00:00
Peter Wemm
cc3daab531 A temporary band-aid for ng_base. It works for some people, a better 
fix will follow.

Submitted by:   Gary Jennejohn <garyj@muc.de>
 2000-05-01 21:26:50 +00:00
Peter Wemm
99ff81767f Minimal tweak to make the ng_XXX modules depend on netgraph so that they 
see its symbols and link ok.
 2000-04-29 13:36:07 +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
Poul-Henning Kamp
3389ae9350 Remove ~25 unneeded #include <sys/conf.h> 
Remove ~60 unneeded #include <sys/malloc.h>
 2000-04-19 14:58:28 +00:00
Archie Cobbs
52ec4a0370 Fix uninitialized variable. 
PR:		kern/17911
Submitted by:	Tom Pavel <pavel@alum.mit.edu>
 2000-04-12 17:29:33 +00:00
Archie Cobbs
af7ab18437 A netgraph node that implements Microsoft Point-to-Point compression 
(MPPC) and Microsoft Point-to-Point encryption (MPPE) protocols.

Note: the MPPC part is disabled as it requires proprietary files.

Obtained from:	Whistle source tree
 2000-04-09 21:04:55 +00:00
Archie Cobbs
382379f8a8 Call bpfdetach() before going away. 2000-03-21 01:42:56 +00:00
Poul-Henning Kamp
63909a9015 Newer ciscos have become more picky, and will not accept the MULTICAST bit 
being set for unicast packets.
 2000-03-17 17:06:33 +00:00
Archie Cobbs
15ba31b9ad Updates to the ng_iface(8) netgraph node type: 
- Make iface nodes removable on shutdown since FreeBSD now supports
    removable interfaces
  - Simplify supporting new protocols using family_enqueue(); add a
    few new ones including IPv6
  - Add support for configurable interface mode using new
    NGM_IFACE_POINT2POINT and NGM_IFACE_BROADCAST control messages
  - Remove NGM_IFACE_GET_IFADDRS control message; it just duplicates
    the functionality of SIOCGIFCONF
 2000-03-13 19:18:10 +00:00
Archie Cobbs
9a9a26fd5a Some minor prototype tweaks. 2000-03-13 19:05:11 +00:00
Archie Cobbs
af207f2160 Use snprintf() instead of sprintf(). 2000-03-13 18:54:10 +00:00
Archie Cobbs
c1b9e5f25b Fix typo: "ng_parse_fixedsstring_info" -> "ng_parse_fixedstring_info" 2000-03-13 18:50:38 +00:00
Archie Cobbs
5c63f81fd4 Add control message ASCII conversion for this node type. 2000-01-27 01:32:53 +00:00
Archie Cobbs
4c641908e9 Fix a few obscure memory leaks. 2000-01-05 20:36:07 +00:00
Archie Cobbs
4164c44770 Fix race condition caused by missing splnet()'s. 2000-01-04 22:06:08 +00:00
Peter Wemm
664a31e496 Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" 
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot).  This is consistant with the other
BSD's who made this change quite some time ago.  More commits to come.
 1999-12-29 04:46:21 +00:00
Archie Cobbs
1e7a9f724c Fix bugs in the MP fragment reassembly code that can cause a panic. 1999-12-17 23:29:04 +00:00
Archie Cobbs
add85a1d6e New netgraph node type 'pptpgre': this performs GRE encapsulation 
for the PPTP protocol as specified in RFC 2637.
 1999-12-08 18:55:39 +00:00
Julian Elischer
647b86df6e Remove a bunch of un-needed includes. 
Submitted by: phk@freebsd.org
 1999-12-07 05:50:48 +00:00
Archie Cobbs
ab0d3c94db Change definition of NG_BPF_HOOKPROG_SIZE() so as not to require 
a structure pointer, just the number of BPF instructions.
 1999-12-06 18:43:32 +00:00
Archie Cobbs
92a3e5521f New netgraph node type, ng_bpf(8). This node type allows you to 
apply bpf(4) filters to data travelling through a netgraph network.
 1999-12-03 21:21:49 +00:00
Archie Cobbs
899e9c4e44 Add a new function ng_findhook() for finding a node's hook; 
if the node type provides a more efficient implementation than
the normal linear scan, use it.

Reviewed by:	julian
 1999-12-03 21:17:30 +00:00
Archie Cobbs
2076235ada Fix bug parsing 32 bit integers on machines where sizeof(long) == 4. 1999-12-03 20:27:33 +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
63e2ac54d1 Add more comments describing how to use parse types and how they work. 1999-12-01 19:41:15 +00:00
Archie Cobbs
fa200997c8 Show how to supply a struct ng_cmdlist for (de)asciification 
of control messages.

Suggested by:	julian
 1999-12-01 19:40:37 +00:00
Julian Elischer
d0fef8084f change intial timeout for session negotiation from 1 to 2 seconds. 
One second was being hit too many times in normal situations.
 1999-12-01 08:05:56 +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
25792ef324 Change the prototype of the strto* routines to make the second 
parameter a char ** instead of a const char **.  This make these
kernel routines consistent with the corresponding libc userland
routines.

Which is actually 'correct' is debatable, but consistency and
following the spec was deemed more important in this case.

Reviewed by (in concept):	phk, bde
 1999-11-24 01:03:08 +00:00
Julian Elischer
aa548c6abe oops cut-n-paste error 1999-11-21 23:11:52 +00:00
Julian Elischer
cae912fcc8 It's time to only allow root to manipulate netgraph nodes. 
(I meant to do this before checking in to FreeBSD and forgot)
 1999-11-21 23:06:30 +00:00
Julian Elischer
490ccf9c5a Hopefully the last patch from Brian to get server side PPPoE working. 
remove a 'free' that is no longer needed.
 1999-11-21 22:18:54 +00:00
Julian Elischer
6faf164ce9 Fixes from brian. With some changes from me. 
Allows FreeBSD to run as a PPPOE server
One patch still not included.
 1999-11-21 10:43:05 +00:00
Archie Cobbs
046eea23cf Revert previous commit now that 'acfcomp' has been removed from 
libnetgraph/debug.c to fix make world.
 1999-11-19 20:42:14 +00:00
Julian Elischer
0d28d9ea80 Add a field archie forgot to merge in from out sources. 1999-11-19 20:32:46 +00:00
Archie Cobbs
0e97a08fe9 Use 'struct ng_xxx_private' instead of 'struct private' to help gdb 
disambiguate when debugging.
 1999-11-19 05:50:29 +00:00
Archie Cobbs
62838fae89 Fix bug where hook pointers were not getting updated on disconnection. 1999-11-19 05:49:54 +00:00
Archie Cobbs
da0929306d Move misplaced #define. 1999-11-19 05:49:18 +00:00
Archie Cobbs
19bff684a4 Add some safety using KASSERT() and splnet(). 1999-11-19 05:45:11 +00:00
Archie Cobbs
b2da83c2f5 Use KASSERT() instead of old #ifdef DIAGNOSTICS. 
Add more INVARIANTS-enabled sanity checking.
 1999-11-19 05:43:33 +00:00
Archie Cobbs
19a52c592d Remove the address and control field compression functionality of this 
node type.  ACF is device independent and therefore belongs in ng_ppp.c
(which already implements it).
 1999-11-19 04:27:53 +00:00
Archie Cobbs
3a58352eb0 Rename 'struct private' to 'struct ng_xxx_private' to allow gdb 
to disambiguate when debugging.
 1999-11-19 04:25:39 +00:00