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138 Commits

Author SHA1 Message Date
tuexen
2357a49326 Changes which improve compilation if neither INET nor INET6 is defined. 
MFC after: 3 days
 2012-07-15 20:16:17 +00:00
tuexen
5895ece053 #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
tuexen
d2f6540a5c Pass the src and dst address of a received packet explicitly around. 
MFC after: 3 days
 2012-06-28 16:01:08 +00:00
tuexen
6e403ce2d9 Whitespace cleanup. 
MFC after: 3 days
 2012-06-25 17:15:09 +00:00
tuexen
43d53ca708 Remove redundant #ifdef. Reported by gnn@. 
MFC after: 3 days
 2012-06-21 12:51:24 +00:00
tuexen
25827ad382 Use consistent text at the begining of the files. 
MFC after: 3 days
 2012-05-23 11:26:28 +00:00
tuexen
8b015cb78f Provide the error code in SCTP_PEER_ADDR_CHANGE notifications as 
specified in RFC 6458.

MFC after: 3 days
 2012-05-13 17:36:04 +00:00
tuexen
abe6735879 Use ECONNABORTED in cases where the ABORT was sent to the peer. 
MFC after: 3 days
 2012-05-13 16:56:16 +00:00
tuexen
b3431e25a4 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
tuexen
dfb886ebd0 Address clang warnings. 
MFC after: 3 days
 2012-05-06 14:50:54 +00:00
tuexen
189b3357e6 Remove debug code. 
MFC after: 3 days
 2012-05-06 11:37:41 +00:00
tuexen
fd59ebc4f0 Add support for SCTP_SEND_FAILED_EVENT as required by RFC 6458. 
MFC after: 3 days
 2012-05-06 11:02:53 +00:00
tuexen
668aa900bc Do error checking for the SCTP_RESET_STREAMS, SCTP_RESET_ASSOC, 
and SCTP_ADD_STREAMS socket options as specified by RFC 6525.

MFC after: 3 days
 2012-05-05 14:06:15 +00:00
tuexen
6dac068475 Add support for the SCTP_ENABLE_STREAM_RESET socket option to 
getsockopt(). This improves the support of RFC 6525.

MFC after: 3 days
 2012-05-04 17:18:02 +00:00
tuexen
4ee7205a6e Add support for SCTP_STREAM_CHANGE_EVENT, SCTP_ASSOC_RESET_EVENT as 
required by RFC 6525. This also fixes SCTP_STREAM_RESET_EVENT.

MFC after: 3 days
 2012-05-04 15:49:08 +00:00
tuexen
e42771f14b Add support for missing gauth_number_of_chunks field. This Bug was 
found by Irene Ruengeler.

MFC after: 1 week
 2012-04-30 08:44:21 +00:00
tuexen
0f8fc5e936 Whitespace changes. 
MFC after: 3 days
 2012-04-28 16:32:49 +00:00
tuexen
62e631ede2 Whitespace changes. 
MFC after: 3 days
 2012-04-19 15:30:15 +00:00
tuexen
19af6e5d9d Remove duplicate condition in if statement. 
Obtained from: brucec@
MFC after: 3 days
 2012-04-06 09:03:02 +00:00
rrs
ddfb5c5980 Make stream our stream reset implementation 
compliant to RFC6525.

MFC after:	1 month
 2012-03-29 13:36:53 +00:00
tuexen
52199a8cf4 Clean up, no functional change. 
MFC after: 3 days.
 2012-03-15 14:22:05 +00:00
tuexen
01e294b2fd Remove two clang warnings. 
MFC after: 1 month.
 2012-02-18 16:06:15 +00:00
tuexen
f8b7dd3132 Fix two bugs, which result in a panic when calling getsockopt() 
using SCTP_RECVINFO or SCTP_NXTINFO.
Reported by Clement Lecigne and forwarded to us by zi@.

MFC after: 3 days.
 2012-01-14 09:10:20 +00:00
tuexen
b9ef107414 Address issues found by clang. While there, fix also some style 
issues.

MFC after: 3 months.
 2011-12-27 10:16:24 +00:00
tuexen
3a4d069b21 Fix unused parameter warnings. 
While there, fix some whitespace issues.

MFC after: 3 months.
 2011-12-17 19:21:40 +00:00
tuexen
e98fa27d6f Fix a bug reported by Irene Ruengeler which resulted in not sending 
out HEARTBEATs when requested by the user. The HEARTBEATs were only
queued, but not actually sent out.

MFC after: 2 months.
 2011-12-10 10:52:54 +00:00
tuexen
4de38879e5 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
tuexen
7adf0c3790 Use the most significant 6 bits of the dscp instead of the least 
significant ones.
This has changed in the latest version of the socket API ID and
provides backwards compatibility and gets it in syn with the
usage of the IP_TOS socket option.

MFC after: 3 days.
 2011-10-11 13:24:37 +00:00
tuexen
680b9f90a2 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
tuexen
15bb2c985f 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
tuexen
0e8ff918fb 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
tuexen
eab7de0c8f 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
tuexen
c040d5dff3 Fix the handling of [gs]etsockopt() unconnected 1-to-1 style sockets. 
While there:
* Fix a locking issue in setsockopt() of SCTP_CMT_ON_OFF.
* Fix a bug in setsockopt() of SCTP_DEFAULT_PRINFO, where the pr_value
  was ignored.

Approved by: re@
MFC after: 2 months.
 2011-08-16 21:04:18 +00:00
tuexen
2a294422d7 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
tuexen
f47c615e88 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
tuexen
dfe16c28d3 Add the missing sca_keylength field to the sctp_authkey structure, 
which is used the the SCTP_AUTH_KEY socket option.

MFC after: 1 month.
 2011-06-30 16:56:55 +00:00
tuexen
b127ed6f91 Add SCTP_DEFAULT_PRINFO socket option. 
Fix the SCTP_DEFAULT_SNDINFO socket option: Don't clear the
PR SCTP policy when setting sinfo_flags.

MFC after: 1 month.
 2011-06-16 21:12:36 +00:00
tuexen
6339980d37 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
tuexen
dd891455b5 Copy out the mtu when calling getsockopt() with SCTP_GET_PEER_ADDR_INFO. 
MFC after: 1 week.
 2011-05-17 15:57:31 +00:00
tuexen
f237c9d1bd 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
tuexen
0cc27c3d6b Implement Resource Pooling V2 and an MPTCP like congestion 
control.
Based on a patch received from Martin Becke.

MFC after: 2 weeks.
 2011-05-04 21:27:05 +00:00
tuexen
ad795d2c5d 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
rrs
39c61f3851 Adds a new Congestion Control that helps reduce 
the RTT that a flow will build up in buffers in
transit. It is a slight modification to RFC2581
but is more friendly i.e. less aggressive.

MFC after:	3 months
 2011-03-01 00:37:46 +00:00
rrs
5b16134320 Improvements to CC modules: 
1) Add four new points that allow you to get more information
   to cc algo's
2) Fix the case where user changes module on a existing TCB, in
   such a case, the initialization module needs to be called on all nets.
3) Move htcp_cc structure to a union that other modules can use.
4) Add 5th point for get/set socket options for cc_module specific options

MFC after:	2 months
 2011-02-26 15:23:46 +00:00
tuexen
2919b41218 * Fix several bugs where the scaled versions of srtt and rttvar 
where used incorrectly.
* Use appropriate variable names for RTO instead of RTT.

MFC after: 3 months.
 2011-02-24 22:58:15 +00:00
rrs
fa5090f1dd 1) Typo correction in comments and one spacing change. 
2) Mass update to all copyrights.
MFC after:	3 Months
 2011-02-05 12:12:51 +00:00
tuexen
6c509b30f6 Fix several bugs in the stream schedulers. 
From Robin Seggelmann.

MFC after: 3 months.
 2011-02-03 20:44:49 +00:00
rrs
4d632ac7a7 Fix the per CPU stats so that: 
1) They don't use the giant "MAX_CPU" define and instead
   are allocated dynamically based on mp_ncpus
2) Will zero with the netstat -z -s -p sctp
3) Will be properly handled by both the sctp_init and finish
   (the multi-net stuff was incorrectly bzero'ing in sctp_init
    the wrong size.. the bzero is now moved to the right places).
    And of course the free is put in at the very end.

MFC after:	3 Months
 2011-02-03 11:52:22 +00:00
tuexen
0044f4e6eb Make SCTP_MAX_BURST compliant with the latest version of 
the socket API ID. This is not compatible with the API
in stable/8.
 2011-01-26 19:55:54 +00:00
tuexen
32d6ca8049 Change infrastructure for SCTP_MAX_BURST to allow compliance 
with the latest socket API ID. Especially it can be disabled.

Full compliance needs changing the structure used in the
socket option. Since this breaks the API, it will be a
seperate commit which will not be MFCed to stable/8.

MFC after: 3 months.
 2011-01-26 19:49:03 +00:00