Commit Graph

8 Commits

Author SHA1 Message Date
Randall Stewart
1966e5b5a1 The proper fix for the delayed SCTP checksum is to
have the delayed function take an argument as to the offset
to the SCTP header. This allows it to work for V4 and V6.
This of course means changing all callers of the function
to either pass the header len, if they have it, or create
it (ip_hl << 2 or sizeof(ip6_hdr)).
PR:		144529
MFC after:	2 weeks
2010-03-12 22:58:52 +00:00
Randall Stewart
eef9e53e55 This commit fixes the issue with alias_sctp.c. No
longer do we require SCTP to be in the kernel for the
lib to be able to handle SCTP. We do this by moving
the CRC32c checksum into libkern/crc32.c and then adjusting
all routines to use the common methods. Note that this
will improve the performance of iSCSI since they were
using the old single 256 bit table lookup versus the
slicing 8 algorithm (which gives a 4x speed up in
CRC32c calculation :-D)

Reviewed by:rwatson, gnn, scottl, paolo
MFC after:	4 week? (assuming we MFC the alias_sctp changes)
2009-02-14 11:34:57 +00:00
Paolo Pisati
37ce2656ec Add SCTP NAT support.
Submitted by: CAIA (http://caia.swin.edu.au)
2009-02-07 18:49:42 +00:00
Randall Stewart
a99b67833a - Cleanup checksum code.
- Prepare for CRC offloading, add MIB counters (RS/MT).
- Bugfix: Disable CRC computation for IPv6 addresses with local scope (MT).
- Bugfix: Handle close() with SO_LINGER correctly when notifications
          are generated during the close() call(MT).
- Bugfix: Generate DRY event when sender is dry during subscription.
          Only for 1-to-1 style sockets (RS/MT)
- Bugfix: Put vtags for the correct amount of time into time-wait (MT).
- Bugfix: Clear vtag entries correctly on expiration (MT).
- Bugfix: shutdown() indicates ENOTCONN when called for unconnected
          1-to-1 style sockets (MT).
- Bugfix: In sctp Auth code (PL).
- Add support for devices that support SCTP csum offload (igb).
- Add missing sctp_associd to mib sysctl xsctp_tcb structure (RS)
Obtained from:	With help from Peter Lei and Michael Tuexen
2009-02-03 11:04:03 +00:00
Randall Stewart
fc14de76f4 1) Adds the rest of the VIMAGE change macros
2) Adds some __UserSpace__ on some of the common defines that
   the user space code needs
3) Fixes a bug when we send up data to a user that failed. We
   need to a) trim off the data chunk headers, if present, and
   b) make sure the frag bit is communicated properly for the
   msgs coming off the stream queues... i.e. we see if some
   of the msg has been taken.

Obtained from:	jeli contributed the VIMAGE changes on this pass Thanks Julain!
2008-07-09 16:45:30 +00:00
Randall Stewart
b100636770 - Copyright change, cisco's silly tool wants it to say:
"Copyright (c) 2001-2007, by Cisco Systems,"
   instead of
       *Copyright (c) 2001-2007, Cisco Systems,"

-  Also fix a few straglers that were still in 2006.
2007-05-08 17:01:12 +00:00
Randall Stewart
93164cf98c - most all includes (#include <>) migrate to the sctp_os_bsd.h file
- Finally all splxx() are removed
 - Count error fixed in mapping array which might
   cause a wrong cumack generation.
 - Invariants around panic for case D + printf when no invariants.
 - one-to-one model race condition fixed by using
   a pre-formed connection and then completing the
   work so accept won't happen on a non-formed
   association.
 - Some additional paranoia checks in sctp_output.
 - Locks that were missing in the accept code.

Approved by:	gnn
2007-01-18 09:58:43 +00:00
Randall Stewart
f8829a4a40 Ok, here it is, we finally add SCTP to current. Note that this
work is not just mine, but it is also the works of Peter Lei
and Michael Tuexen. They both are my two key other developers
working on the project.. and they need ata-boy's too:
****
peterlei@cisco.com
tuexen@fh-muenster.de
****
I did do a make sysent which updated the
syscall's and sysproto.. I hope that is correct... without
it you don't build since we have new syscalls for SCTP :-0

So go out and look at the NOTES, add
option SCTP (make sure inet and inet6 are present too)
and play with SCTP.

I will see about comitting some test tools I have after I
figure out where I should place them. I also have a
lib (libsctp.a) that adds some of the missing socketapi
functions that I need to put into lib's.. I will talk
to George about this :-)

There may still be some 64 bit issues in here, none of
us have a 64 bit processor to test with yet.. Michael
may have a MAC but thats another beast too..

If you have a mac and want to use SCTP contact Michael
he maintains a web site with a loadable module with
this code :-)

Reviewed by:	gnn
Approved by:	gnn
2006-11-03 15:23:16 +00:00