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192 Commits

Author SHA1 Message Date
Michael Tuexen
daac3e7db6 Fix compilation if SCTP_DONT_DO_PRIVADDR_SCOPE is defined. 
The issue was reported by Andrew Galante.

MFC after: 3 days
 2013-10-28 20:32:37 +00:00
Michael Tuexen
ee1ccd9258 Fix a bug were only 2048 streams where usable even though more than 
2048 streams were negotiated on the wire. While there, remove the
hard coded limit of 2048 streams.

MFC after: 3 days
 2013-07-05 10:08:49 +00:00
Michael Tuexen
56f778aadf Code cleanups. 
MFC after: 3 days
 2013-07-03 18:48:43 +00:00
Michael Tuexen
3457ccdaea Honor the net.inet6.ip6.v6only sysctl variable and the IPV6_V6ONLY 
socket option for SCTP sockets in the same way as for UDP or TCP
sockets.

MFC after: 2 weeks
 2013-05-10 18:09:38 +00:00
Michael Tuexen
2416af26a0 Send the adaptation layer indication only if set by the user. 
MFC after: 3 days
Discussed with: rrs
 2013-02-11 21:02:49 +00:00
Michael Tuexen
c53f854a17 Don't send kernel provided information in the User Initiated 
ABORT cause, since the user can also provide this kind of
information. So the receiver doesn't know who provided the
information.
While there: Fix a bug where the stack would send a malformed
ABORT chunk when using a send() call with SCTP_ABORT|SCT_SENDALL
flags.

MFC after: 3 days
 2013-02-11 13:57:03 +00:00
Michael Tuexen
f0d44a49a0 Make sure that received packets for removed addresses are handled 
consistently. While there, make variable names consistent.

MFC after: 3 days
 2013-02-10 19:57:19 +00:00
Michael Tuexen
a1cb341b5d Cleanup the handling of address scopes. Announce in the INIT/INIT-ACK 
only the supported address types. While there, do some whitespace
cleanups.

MFC after: 1 week
 2013-02-09 17:26:14 +00:00
Michael Tuexen
c39cfa1f7e Fix a bug where HEARTBEATs were still sent in SHUTDOWN_SENT or 
SHUTDOWN_ACK_SENT state. While there, make the corresponding
code consistent.

MFC after: 1 week
 2013-02-09 08:27:08 +00:00
Michael Tuexen
72c123a8b4 Minor cleanups of debug messages. 
MFC after: 3 days
 2012-12-27 08:06:58 +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
Michael Tuexen
e3976bb8d7 Find the endpoint for an incoming packet also if the endpoint 
comes from sctp_peeloff().

MFC after: 3 days
 2012-11-26 16:43:32 +00:00
Michael Tuexen
325c8c46b1 Get the accounting working. We now have counters how many 
chunks for each SCTP outgoing stream are in the send and
sent queue.
While there, improve the naming of NR-SACK related constants
recently introduced.

MFC after: 1 week
 2012-11-16 19:39:10 +00:00
Michael Tuexen
a7ad6026e0 Add per outgoing stream accounting for chunks in the send 
and sent queue. This provides no functional change, but is
a preparation for an upcoming stream reset improvement.
Done with rrs@.

MFC after: 1 week
 2012-11-07 22:11:38 +00:00
Michael Tuexen
e06f3469e0 Whitespace change. 
MFC after:	3 days
 2012-09-23 07:43:10 +00:00
Michael Tuexen
8225a9bc85 Whitespace changes. 
MFC after: 10 days
 2012-09-09 08:14:04 +00:00
Michael Tuexen
dd294dcec6 Using %p in a format string requires a void *. 
MFC after: 10 days
 2012-09-05 18:52:01 +00:00
Michael Tuexen
63c6726e05 Fix a refcount issue. The called only decrements is stcb is NULL. 
MFC after:	3 days
Discussed with:	rrs
 2012-08-05 10:47:18 +00:00
Michael Tuexen
832208514f Fix a bug reported by Simon L. B. Nielsen: 
If an SCTP endpoint receives an ASCONF with a wildcard
lookup address and incorrect verification tag, the system
crashes.

MFC after:	3 days.
 2012-08-04 20:40:36 +00:00
Michael Tuexen
d07b2ac6c6 Fix a refcount bug when freeing an association. 
While there: Change code to be consistent.
Discussed with rrs@.
MFC after: 3 days
 2012-07-17 13:03:47 +00:00
Michael Tuexen
e0e00a4d0f #ifdef INET and INET6 consistently. This also fixes a bug, where 
it was done wrong.

MFC after: 3 days
 2012-07-15 11:04:49 +00:00
Michael Tuexen
b5e0cd79c2 Use case for selecting the address family (as in other places). 
MFC after: 3 days
 2012-07-14 20:08:03 +00:00
Michael Tuexen
b1754ad17b Pass the src and dst address of a received packet explicitly around. 
MFC after: 3 days
 2012-06-28 16:01:08 +00:00
Michael Tuexen
2faa5be555 Remove code which is not needed. 
MFC after: 3 days
 2012-06-03 18:14:57 +00:00
Michael Tuexen
807aad636f Use consistent text at the begining of the files. 
MFC after: 3 days
 2012-05-23 11:26:28 +00:00
Michael Tuexen
1edc9dbae5 Provide in the SCTP_SEND_FAILED and SCTP_SEND_FAILED_EVENT notifications 
the correct ssf_error or ssfe_error as required by RFC 6458.

MFC after: 3 days
 2012-05-13 19:32:49 +00:00
Michael Tuexen
a2b42326b5 Provide in the association change notification the received ABORT chunk 
if case of SCTP_COMM_LOST or SCTP_CANT_STR_ASSOC as required by RFC 6458.

MFC after: 3 days
 2012-05-12 20:11:35 +00:00
Michael Tuexen
3f826ed2f3 Remove debug code. 
MFC after: 3 days
 2012-05-06 11:37:41 +00:00
Michael Tuexen
cd3fd53188 Use SCTP_PRINTF() instead of printf() in all SCTP sources. 
MFC after: 3 days
 2012-05-04 09:27:00 +00:00
Michael Tuexen
60990c0c06 Address issues found by clang. While there, fix also some style 
issues.

MFC after: 3 months.
 2011-12-27 10:16:24 +00:00
Michael Tuexen
7215cc1b74 Fix unused parameter warnings. 
While there, fix some whitespace issues.

MFC after: 3 months.
 2011-12-17 19:21:40 +00:00
Michael Tuexen
a56569ba55 Remove debug code. 
MFC after: 1 month.
 2011-11-28 20:48:35 +00:00
Michael Tuexen
c9c5805975 Add support for the SCTP_REMOTE_UDP_ENCAPS_PORT socket option. 
Retire the the now unused sctp_udp_tunneling_for_client_enable
sysctl variable.

MFC after: 3 months.
 2011-11-20 15:00:45 +00:00
Michael Tuexen
363114118b Cleanup comparison of interface names. 
MFC after: 1 month.
 2011-11-18 09:01:08 +00:00
Michael Tuexen
a62e467ac3 Set the MTU of an path to an approriate value if the interface MTU 
can't be determined.

MFC after: 3 days.
 2011-11-15 20:41:50 +00:00
Michael Tuexen
eb20220e9b Don't copy uninitialized memory. Also simplify the comparison 
of interface names.

MFC after: 3 days.
 2011-11-13 11:53:18 +00:00
Michael Tuexen
dc81ec897e When loading addresses from INITs, always use the correct 
local address.

MFC after: 3 days.
 2011-11-07 22:30:19 +00:00
Michael Tuexen
7ffa229018 When add a new remote address using sctp_add_remote_addr(), 
return the correct net if requested.

MFC after: 3 days.
 2011-10-27 22:38:48 +00:00
Michael Tuexen
3d2443cc84 When moving an stcb to a new inp and we copy over the list of 
bound addresses, update the last used address pointer.
If not, it might result in a crash if the old inp goes away.

MFC after: 3 days.
 2011-10-10 12:28:47 +00:00
Michael Tuexen
629749b60c Update the inp stored in a HB-timer when moving an stcb to a new inp. 
Use only this stored inp when processing a HB timeout.
This fixes a bug which results in a crash.

MFC after: 3 days.
 2011-10-09 14:12:17 +00:00
Michael Tuexen
80c79bbe7a Fix the enabling/disabling of Heartbeats and path MTU 
discovery when using the SCTP_PEER_ADDR_PARAMS socket option.
Approved by: re
MFC after: 1 month.
 2011-09-17 08:50:29 +00:00
Michael Tuexen
92776dfd5a Make sure that SCTP rejects broadcast, multicast and wildcard addresses 
as remote addresses.

Approved by: re
MFC after: 1 month.
 2011-09-15 08:49:54 +00:00
Michael Tuexen
c55b70cef6 Ensure that 1-to-1 style SCTP sockets can only be connected once. 
Allow implicit setup also for 1-to-1 style sockets as described
in the latest version of the socket API ID.

Approved by: re
MFC after: 1 month
 2011-09-14 19:10:13 +00:00
Michael Tuexen
58bdb69150 Fix the handling of the flowlabel and DSCP value in the SCTP_PEER_ADDR_PARAMS 
socket option.
Honor the net.inet6.ip6.auto_flowlabel sysctl setting.

Approved by: re (bz)
MFC after: 1 month.
 2011-09-14 08:15:21 +00:00
Michael Tuexen
b10f2dc889 Add support for the spp_dscp field in the SCTP_PEER_ADDR_PARAMS 
socket option. Backwards compatibility is provided by still
supporting the spp_ipv4_tos field.

Approved by: re@
MFC after: 2 months.
 2011-08-14 20:55:32 +00:00
Michael Tuexen
ca85e9482a The result of a joint work between rrs@ and myself at the IETF: 
* Decouple the path supervision using a separate HB timer per path.
* Add support for potentially failed state.
* Bring back RTO.min to 1 second.
* Accept packets on IP-addresses already announced via an ASCONF
* While there: do some cleanups.

Approved by: re@
MFC after: 2 months.
 2011-08-03 20:21:00 +00:00
Michael Tuexen
1a3b5ce2b9 Don't check for SOCK_DGRAM anymore. Also remove multicast 
related code which is not necessary anymore.
 2011-07-12 20:14:03 +00:00
Michael Tuexen
e2e7c62edc Add support for the newly added SCTP API. 
In particular add support for:
* SCTP_SNDINFO, SCTP_PRINFO, SCTP_AUTHINFO, SCTP_DSTADDRV4, and
  SCTP_DSTADDRV6 cmsgs.
* SCTP_NXTINFO and SCTP_RCVINFO cmgs.
* SCTP_EVENT, SCTP_RECVRCVINFO, SCTP_RECVNXTINFO and SCTP_DEFAULT_SNDINFO
  socket option.
* Special association ids (SCTP_FUTURE_ASSOC, ...)
* sctp_recvv() and sctp_sendv() functions.

MFC after: 1 month.
 2011-06-15 23:50:27 +00:00
Michael Tuexen
689e6a5fa3 Fix a locking issue showing up on Mac OS X when subscribing to 
authentication events. DTLS/SCTP renegotiations trigger the bug.

MFC after: 2 weeks.
 2011-05-08 09:11:59 +00:00
Michael Tuexen
e6194c2ed4 Improve compilation of SCTP code without INET support. 
Some bugs where fixed while doing this:
* ASCONF-ACK messages might use wrong port number when using
  IPv6.
* Checking for additional addresses takes the correct address
  into account and also does not do more comparisons than
  necessary.

This patch is based on one received from bz@ who was
sponsored by The FreeBSD Foundation and iXsystems.

MFC after: 1 week
 2011-04-30 11:18:16 +00:00