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35 Commits

Author SHA1 Message Date
Gleb Smirnoff
e5d72e64d9 Fix circular math macro. 
Submitted by:		Lutz Donnerhacke via Dmitry Luhtionov
German lesson at:	http://lutz.donnerhacke.de/Blog/Der-Fluch-der-Stabilitaet
PR:			146082
 2014-01-03 12:06:54 +00:00
Gleb Smirnoff
eb1b1807af Mechanically substitute flags from historic mbuf allocator with 
malloc(9) flags within sys.

Exceptions:

- sys/contrib not touched
- sys/mbuf.h edited manually
 2012-12-05 08:04:20 +00:00
Ed Schouten
d745c852be Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 
This means that their use is restricted to a single C file.
 2011-11-07 06:44:47 +00:00
Gleb Smirnoff
674d86bf91 Node constructor methods are supposed to be called in syscall 
context always. Convert nodes to consistently use M_WAITOK flag
for memory allocation.

Reviewed by:	julian
 2011-04-18 09:12:27 +00:00
Alexander Motin
148ac1dacc Make ng_l2tp irrelevant to data alignment. 2010-03-31 22:11:06 +00:00
Ed Schouten
802cb57e34 Add memmove() to the kernel, making the kernel compile with Clang. 
When copying big structures, LLVM generates calls to memmove(), because
it may not be able to figure out whether structures overlap. This caused
linker errors to occur. memmove() is now implemented using bcopy().
Ideally it would be the other way around, but that can be solved in the
future. On ARM we don't do add anything, because it already has
memmove().

Discussed on:	arch@
Reviewed by:	rdivacky
 2009-02-28 16:21:25 +00:00
Alexander Motin
b023993708 Fix typo. Clear session stats instead of config and part of stats. 
Found with:	Coverity Prevent(tm)
CID:		2472
 2008-11-22 16:40:12 +00:00
Dag-Erling Smørgrav
e11e3f187d Fix a number of style issues in the MALLOC / FREE commit. I've tried to 
be careful not to fix anything that was already broken; the NFSv4 code is
particularly bad in this respect.
 2008-10-23 20:26:15 +00:00
Dag-Erling Smørgrav
1ede983cc9 Retire the MALLOC and FREE macros. They are an abomination unto style(9). 
MFC after:	3 months
 2008-10-23 15:53:51 +00:00
Alexander Motin
280d6bd758 Don't use memcpy() to copy several bytes. 
Store IDs is host order. It is not so important to bloat code for it.
Combine m_adj() and M_PREPEND() into single M_PREPEND().
 2008-07-28 22:22:38 +00:00
Alexander Motin
4e7597635f Add session ID hashing to speedup incoming packets dispatch in case 
of many connections working via the same tunnel. For example, in case
of full "client <-> LAC <-> LNS" setup.
 2008-03-16 21:33:12 +00:00
Alexander Motin
395adfbe34 Addition to the previous commit. Release inproc in case of memory error. 2008-03-09 11:17:00 +00:00
Alexander Motin
af63939c67 To avoid control data losses do not acknowledge recieving of control packet 
if netgraph reported error while delivering to destination.
Reset 'next send' counter to the last requested by peer on ack timeout
to resend all subsequest packets after lost one again without additional hints.
 2008-03-08 23:55:29 +00:00
Alexander Motin
52b9b77f78 Increase control channel xmit queue to 128 packets. 
Previous value 16 was too small for real LAC as temporal activity
spike cound easily overflow queue demanding tunnel disconnection due
to possible state inconsistency.
 2007-12-12 19:04:30 +00:00
Alexander Motin
702f98951d Protect struct seq with mutex. 
Approved by:	glebius (mentor)
 2007-10-12 04:56:26 +00:00
Alexander Motin
058ef12167 Remove one unneded assertion. It is also checked in 
ng_l2tp_seq_check().

Approved by:	glebius (mentor)
 2007-10-12 04:54:43 +00:00
Alexander Motin
bf741e4d08 Replace single rcvdata with 3 distinct to simplify code and 
reduce stack usage.

Approved by:	mentor (glebius)
 2007-10-12 04:53:23 +00:00
Alexander Motin
40097c5d9f Remove duplicate variables. 2007-10-12 04:51:30 +00:00
Alexander Motin
206fa244b7 Avoid false assertion on transmit and delayed ack timeout with enabled invariants. 
Replace callout_pending() by callout_active() to remove race window.

Reviewed by:	archie
Approved by:	glebius (mentor)
 2007-04-24 10:50:25 +00:00
Alexander Motin
34d16c641d Global xmit stats calculation fix. 
Approved by:	glebius (mentor)
 2007-04-23 15:25:14 +00:00
David E. O'Brien
7e2b43eeb3 Use the ISO standard function variable vs. a GCC'ism. 2005-08-10 06:25:41 +00:00
Gleb Smirnoff
0ef8db8ff2 - Use ng_callout() instead of callout_reset(9). 
- Use callout_pending() instead of our own flags.
- Remove home-grown protection of node, which has a scheduled
  callout().
- Remove spl(9) calls.

Tested by:	bz
 2005-01-11 11:51:17 +00:00
Warner Losh
c398230b64 /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
Bjoern A. Zeeb
4807330cff Implement minimalistic L2TP sessions statistics and correct man page 
for L2TP tunnel statistics (which do not take an argument sessionID).

Reviewed by:	archie
Approved by:	pjd (mentor)
 2004-08-03 06:52:55 +00:00
Bjoern A. Zeeb
1e0313242d add a new control message to set sequence numbers on an uninitialized node. 
Reviewed by:	archie
Approved by:	pjd (mentor)
 2004-08-03 06:45:38 +00:00
Bjoern A. Zeeb
ddb7229415 Correct L2TP header offset handling: 
- according to RFC2661 an offset size of 0 is allowed.
- when skipping offset padding do not forget to also skip
  the 2 octets of the offset size field.

Reviewed by:	archie
Approved by:	pjd (mentor)
 2004-08-03 06:37:46 +00:00
Julian Elischer
3ca24c284d Having moved metadata usage to mbuf tags, remove code that supports 
the old way of doing it.

Submitted by:	Gleb Smirnoff <glebius@cell.sick.ru>
 2004-06-26 22:24:16 +00:00
Julian Elischer
f8aae7776f Switch to using C99 sparse initialisers for the type methods array. 
Should make no binary difference.

Submitted by:	Gleb Smirnoff <glebius@cell.sick.ru>
Reviewed by:	Harti Brandt <harti@freebsd.org>
MFC after:	1 week
 2004-05-29 00:51:19 +00:00
Archie Cobbs
2c9027fcba Rename internal structure to fix cut & paste error. 
Submitted by:	Bjoern A. Zeeb <bzeeb+freebsd@zabbadoz.net>
MFC After:	3 days
 2004-04-04 21:33:09 +00:00
Dag-Erling Smørgrav
f7854568f5 Don't use ovbcopy(). 2003-04-04 12:12:34 +00:00
Warner Losh
a163d034fa Back out M_* changes, per decision of the TRB. 
Approved by: trb
 2003-02-19 05:47:46 +00:00
Alfred Perlstein
44956c9863 Remove M_TRYWAIT/M_WAITOK/M_WAIT. Callers should use 0. 
Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
 2003-01-21 08:56:16 +00:00
Bosko Milekic
86fea6be59 o Untangle the confusion with the malloc flags {M_WAITOK, M_NOWAIT} and 
the mbuf allocator flags {M_TRYWAIT, M_DONTWAIT}.
o Fix a bpf_compat issue where malloc() was defined to just call
  bpf_alloc() and pass the 'canwait' flag(s) along.  It's been changed
  to call bpf_alloc() but pass the corresponding M_TRYWAIT or M_DONTWAIT
  flag (and only one of those two).

Submitted by: Hiten Pandya <hiten@unixdaemons.com> (hiten->commit_count++)
 2002-12-19 22:58:27 +00:00
Archie Cobbs
facfd88935 Don't use "NULL" when "0" is really meant. 2002-08-22 00:30:03 +00:00
Archie Cobbs
901fadf792 New L2TP netgraph node type. 
Obtained from:	Packet Design
 2002-08-20 21:59:50 +00:00