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4342 Commits

Author SHA1 Message Date
Bjoern A. Zeeb
27f190a3ca Switch to a standard 2 clause BSD license (from bsd-style-copyright). 
Approved by:	Myricom Inc. (gallatin)
Approved by:	Intel Corporation (jfv)
 2012-05-15 13:23:44 +00:00
Michael Tuexen
389b1b118c Support SCTP_REMOTE_ERROR notification. 
MFC after: 3 days
 2012-05-13 22:27:54 +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
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
b342faf4bf Remove unused constants. 
MFC after: 3 days
 2012-05-13 17:17:13 +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
58411b0821 Ensure the user can read COMM_LOST notifications on 1-to-1 style sockets. 
MFC after: 3 days
 2012-05-13 16:07:53 +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
Glen Barber
a3fb6da9ba General mdoc(7) and typo fixes. 
PR:		167734
Submitted by:	Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after:	3 days
 2012-05-11 20:06:46 +00:00
Michael Tuexen
ce228dab70 Fix a bug in the handling of association reset request. 
MFC after: 3 days
 2012-05-11 19:15:33 +00:00
Michael Tuexen
c5b5675d10 Only provide the supported features in the SCTP_ASSOC_CHANGE notif 
if the state is SCTP_COMM_UP or SCTP_RESTART.
While there, do some cleanups.

MFC after: 3 days
 2012-05-11 18:07:36 +00:00
Michael Tuexen
07d249d661 Remove a constant which is only used on non-FreeBSD platform. 
(The actual code for the socket option handling has been #ifdefed
out forever...)

MFC after: 3 days.
 2012-05-11 17:50:51 +00:00
Michael Tuexen
8c501e516b Address clang warnings. 
MFC after: 3 days
 2012-05-06 14:50:54 +00:00
Michael Tuexen
e06b67c756 Add support for the sac_info field in struct sctp_assoc_change 
as required by RFC 6458.

MFC after: 3 days
 2012-05-06 13:09:13 +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
d426064666 Provide the flags in the SCTP stream reconfig related notification 
as specified in RFC 6525.

MFC after: 3 days
 2012-05-05 21:41:16 +00:00
Michael Tuexen
f3ebe64c9e Honor SCTP_ENABLE_STREAM_RESET socket option when processing incoming 
requests. Fix also the provided result in the response and use names
as specified in RFC 6525.

MFC after: 3 days
 2012-05-05 20:07:33 +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
Xin LI
74882260fa Add ToS definitions for DiffServ Codepoints as per RFC2474. 
Obtained from:	OpenBSD
MFC after:	2 weeks
 2012-05-04 21:00:32 +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
7d44bb8b14 Call panic() only under INVARIANTS. 
MFC after: 3 days
 2012-05-04 10:06:08 +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
254945d75a Fix another RFC 6458 issue. Spotted by Irene Ruengeler. 
MFC after: 3 days
 2012-05-03 10:26:33 +00:00
Alexander V. Chernikov
bdf942c3f0 Revert r234834 per luigi@ request. 
Cleaner solution (e.g. adding another header) should be done here.

Original log:
  Move several enums and structures required for L2 filtering from ip_fw_private.h to ip_fw.h.
  Remove ipfw/ip_fw_private.h header from non-ipfw code.

Requested by:      luigi
Approved by:       kib(mentor)
 2012-05-03 08:56:43 +00:00
Alexander V. Chernikov
7bd5e9b143 Move several enums and structures required for L2 filtering from ip_fw_private.h to ip_fw.h. 
Remove ipfw/ip_fw_private.h header from non-ipfw code.

Approved by:        ae(mentor)
MFC after:          2 weeks
 2012-04-30 10:22:23 +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
9a2e24aa4b Remove unused structure. 
Reported by Irene Ruengeler.

MFC after: 3 days
 2012-04-27 13:58:09 +00:00
Michael Tuexen
78f2804527 Fix a type in an SCTP AUTH related notification. Keep the old name 
for backwards compatibility.
Spotted by Irene Ruengeler.

MFC after: 3 days
 2012-04-26 11:07:15 +00:00
Michael Tuexen
d77145777a Use the flags defined in RFC 6525 in the stream reset event. 2012-04-23 20:45:31 +00:00
Michael Tuexen
07ee8fa69f Fix check used by stream reset related events. 
MFC after: 3 days
 2012-04-21 11:53:24 +00:00
Michael Tuexen
90eba9b693 Whitespace changes. 
MFC after: 3 days
 2012-04-19 15:30:15 +00:00
Michael Tuexen
74b2fab47a Use the same pattern for mbuf logging everywhere. 
MFC after: 3 days
 2012-04-19 13:11:17 +00:00
Michael Tuexen
953b6058cc Fix reported errno. 
MFC after: 3 days
 2012-04-19 12:47:18 +00:00
Michael Tuexen
921569e288 Fix a bug where we copy out more data from a mbuf chain that are 
actually in it. This happens when SCTP receives an unknown chunk, which
requires the sending of an ERROR chunk, and there is no final padding but
the chunk is not 4-byte aligned.
Reported by yueting via rwatson@

MFC after: 3 days
 2012-04-19 12:43:19 +00:00
Gleb Smirnoff
ef341ee1e3 When we receive an ICMP unreach need fragmentation datagram, we take 
proposed MTU value from it and update the TCP host cache. Then
tcp_mss_update() is called on the corresponding tcpcb. It finds the
just allocated entry in the TCP host cache and updates MSS on the
tcpcb. And then we do a fast retransmit of what we have in the tcp
send buffer.

This sequence gets broken if the TCP host cache is exausted. In this
case allocation fails, and later called tcp_mss_update() finds nothing
in cache. The fast retransmit is done with not reduced MSS and is
immidiately replied by remote host with new ICMP datagrams and the
cycle repeats. This ping-pong can go up to wirespeed.

To fix this:
- tcp_mss_update() gets new parameter - mtuoffer, that is like
  offer, but needs to have min_protoh subtracted.
- tcp_mtudisc() as notification method renamed to tcp_mtudisc_notify().
- tcp_mtudisc() now accepts not a useless error argument, but proposed
  MTU value, that is passed to tcp_mss_update() as mtuoffer.

Reported by:	az
Reported by:	Andrey Zonov <andrey zonov.org>
Reviewed by:	andre (previous version of patch)
 2012-04-16 13:49:03 +00:00
Michael Tuexen
4dca0ef478 Send always HBs when in PF state. 
MFC after: 1 week
X-MFC with: r234296
 2012-04-14 21:01:44 +00:00
Michael Tuexen
ca7567c923 Bugfix: Don't send HBs on path which are not idle. 
MFC after: 1 week
 2012-04-14 20:22:01 +00:00
Gleb Smirnoff
a9a2c40ced It is a logical error that in carp_multicast_cleanup() 
we look at count of addresses on a particular vhid, we
should account number of addresses on cif.

To achieve this we need to run carp_attach() and
carp_detach() under appropriate cif lock.
 2012-04-11 12:26:30 +00:00
Gleb Smirnoff
90b357f6ec M_DONTWAIT is a flag from historical mbuf(9) 
allocator, not malloc(9) or uma(9) flag.
 2012-04-10 06:52:39 +00:00
Gleb Smirnoff
9ca1fe0db8 CARP should be capable to run on if_bridge(4). Unfortunately, 
this commit is not enough to enable CARP operation on
if_bridge(4), because the latter doesn't handle or even
initialize its ifp->if_link_state.

Reported by:	Alexander Lunev <sol289 gmail.com>
 2012-04-10 05:42:48 +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
Gleb Smirnoff
2b9536028f Don't check malloc(M_WAITOK) results. 2012-03-31 11:20:48 +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
Marko Zec
2454a7ca98 Permit tcpdrop in VNET jails. 
Submitted by:	Miljenko Mikuc
MFC after:	3 days
 2012-03-28 12:30:16 +00:00
Michael Tuexen
86e4703fa6 Honor the net.inet.udp.checksum sysctl when using SCTP/UDP/IPv4 
encapsulation.
MFCing requires MFCing http://svn.freebsd.org/changeset/base/233554
MFC after: 2 weeks
 2012-03-28 08:11:46 +00:00
Bjoern A. Zeeb
40b676bea6 Export the udp_cksum sysctl for upcoming SCTP work. Rather than always, 
SCTP will only do IPv4 UDP checksum calculation as defined by the host
policy.  When tunneling SCTP always calculates the inner checksum already
so not doing the outer UDP can save cycles.

While here virtualize the variable.

Requested by:	tuexen
MFC after:	2 weeks
 2012-03-27 15:14:29 +00:00
Alexander V. Chernikov
732d27b32d - Permit number of ipfw tables to be changed in runtime. 
net.inet.ip.fw.tables_max is now read-write.

- Bump IPFW_TABLES_MAX to 65535
Default number of tables is still 128

- Remove IPFW_TABLES_MAX from ipfw(8) code.

Sponsored by Yandex LLC

Approved by:    kib(mentor)

MFC after:      2 weeks
 2012-03-25 20:37:59 +00:00