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151 Commits

Author SHA1 Message Date
Michael Tuexen
04aab884d7 Address some warnings which showed up on the userland version. 
MFC after: 1 week
 2013-12-27 13:07:00 +00:00
Michael Tuexen
b54ddf225f Changes from upstream to improve compilation when INET or INET6 
or none of them is defined.

MFC after: 3 days
 2013-11-02 20:12:19 +00:00
Michael Tuexen
92dfa76cbc Fis the value of *optlen when calling getsockopt() for 
SCTP_REMOTE_UDP_ENCAPS_PORT.
This issue was reported by Andrew Galante.
MFC after: 3 days
 2013-10-28 20:45:19 +00:00
Michael Tuexen
77dabf96d9 Remove a buggy comparision when setting manually the path MTU. 
After fixing, the comparision would have become redundant.
Thanks to Andrew Galante for reporting the issue.

MFC after:	3 days
 2013-10-15 20:21:27 +00:00
Michael Tuexen
bfd1666aad Micro-optimization suggested in 
https://bugzilla.mozilla.org/show_bug.cgi?id=898234
by pchang9. While there simplify the code.

MFC after: 1 week
 2013-08-01 12:05:23 +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
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
11e03b3200 Some cleanups. 
MFC after: 3 days
 2012-12-27 08:10:58 +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
440da2d35b Allow shutdown() to be used on fds returned from sctp_peeloff(). 
MFC after: 3 days
 2012-11-26 08:50:00 +00:00
Gleb Smirnoff
8f134647ca Switch the entire IPv4 stack to keep the IP packet header 
in network byte order. Any host byte order processing is
done in local variables and host byte order values are
never[1] written to a packet.

  After this change a packet processed by the stack isn't
modified at all[2] except for TTL.

  After this change a network stack hacker doesn't need to
scratch his head trying to figure out what is the byte order
at the given place in the stack.

[1] One exception still remains. The raw sockets convert host
byte order before pass a packet to an application. Probably
this would remain for ages for compatibility.

[2] The ip_input() still subtructs header len from ip->ip_len,
but this is planned to be fixed soon.

Reviewed by:	luigi, Maxim Dounin <mdounin mdounin.ru>
Tested by:	ray, Olivier Cochard-Labbe <olivier cochard.me>
 2012-10-22 21:09:03 +00:00
Michael Tuexen
5e20b91dbe Changes which improve compilation if neither INET nor INET6 is defined. 
MFC after: 3 days
 2012-07-15 20:16:17 +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
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
39803b8c58 Whitespace cleanup. 
MFC after: 3 days
 2012-06-25 17:15:09 +00:00
Michael Tuexen
9f4ab62e92 Remove redundant #ifdef. Reported by gnn@. 
MFC after: 3 days
 2012-06-21 12:51:24 +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
4b1f78e1af 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
Michael Tuexen
410a3b1ef0 Use ECONNABORTED in cases where the ABORT was sent to the peer. 
MFC after: 3 days
 2012-05-13 16:56:16 +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
8c501e516b Address clang warnings. 
MFC after: 3 days
 2012-05-06 14:50:54 +00:00
Michael Tuexen
3f826ed2f3 Remove debug code. 
MFC after: 3 days
 2012-05-06 11:37:41 +00:00
Michael Tuexen
9935403ae1 Add support for SCTP_SEND_FAILED_EVENT as required by RFC 6458. 
MFC after: 3 days
 2012-05-06 11:02:53 +00:00
Michael Tuexen
f6faece611 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
Michael Tuexen
cdedb5425c 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
Michael Tuexen
88d935dad7 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
Michael Tuexen
5fc8d746ee 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
Michael Tuexen
ed72abc07d Whitespace changes. 
MFC after: 3 days
 2012-04-28 16:32:49 +00:00
Michael Tuexen
90eba9b693 Whitespace changes. 
MFC after: 3 days
 2012-04-19 15:30:15 +00:00
Michael Tuexen
17b611fb21 Remove duplicate condition in if statement. 
Obtained from: brucec@
MFC after: 3 days
 2012-04-06 09:03:02 +00:00
Randall Stewart
c4e848b770 Make stream our stream reset implementation 
compliant to RFC6525.

MFC after:	1 month
 2012-03-29 13:36:53 +00:00
Michael Tuexen
dea47f3999 Clean up, no functional change. 
MFC after: 3 days.
 2012-03-15 14:22:05 +00:00
Michael Tuexen
310a027788 Remove two clang warnings. 
MFC after: 1 month.
 2012-02-18 16:06:15 +00:00
Michael Tuexen
8de4bcc1f7 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
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
972478a4c0 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
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
7906f59a29 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
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
3900c0936f 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
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
b845acda75 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
Michael Tuexen
6037f89c81 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