Commit Graph

4554 Commits

Author SHA1 Message Date
glebius
7691274417 - Move AUTHORS and ACKNOWLEDGEMENTS to the end of the page.
- Add myself to list of authors.
2013-01-31 10:29:22 +00:00
glebius
7f832c3059 Retire struct sockaddr_inarp.
Since ARP and routing are separated, "proxy only" entries
don't have any meaning, thus we don't need additional field
in sockaddr to pass SIN_PROXY flag.

New kernel is binary compatible with old tools, since sizes
of sockaddr_inarp and sockaddr_in match, and sa_family are
filled with same value.

The structure declaration is left for compatibility with
third party software, but in tree code no longer use it.

Reviewed by:	ru, andre, net@
2013-01-31 08:55:21 +00:00
glebius
e916257b91 Utilize m_get2() to get mbuf of appropriate size. 2013-01-30 18:40:19 +00:00
np
9eab99fda3 Add checks for SO_NO_OFFLOAD in a couple of places that I missed earlier
in r245915.
2013-01-26 01:41:42 +00:00
np
9e6cd5d6e1 Teach toe_l2_resolve to resolve IPv6 destinations too.
Reviewed by:	bz@
2013-01-26 00:57:29 +00:00
np
66b6d0e94e Move lle_event to if_llatbl.h
lle_event replaced arp_update_event after the ARP rewrite and ended up
in if_ether.h simply because arp_update_event used to be there too.
IPv6 neighbor discovery is going to grow lle_event support and this is a
good time to move it to if_llatbl.h.

The two in-tree consumers of this event - OFED and toecore - are not
affected.

Reviewed by:	bz@
2013-01-25 23:58:21 +00:00
np
dc70c22c2b There is no need to call into the TOE driver twice in pru_rcvd (tod_rcvd
and then tod_output right after that).

Reviewed by:	bz@
2013-01-25 22:50:52 +00:00
np
183419297c Add TCP_OFFLOAD hook in syncache_respond for IPv6 too, just like the one
that exists for IPv4.

Reviewed by:	bz@
2013-01-25 22:16:35 +00:00
np
502e79cf50 Teach toe_4tuple_check() to deal with IPv6 4-tuples too.
Reviewed by:	bz@
2013-01-25 20:45:24 +00:00
np
b08297aaa1 Heed SO_NO_OFFLOAD.
MFC after:	1 week
2013-01-25 20:23:33 +00:00
np
5090257718 Remove redundant test, we know inp_lport is 0.
MFC after:	1 week
2013-01-25 20:14:27 +00:00
jhb
e1b160d5be Use decimal values for UDP and TCP socket options rather than hex to avoid
implying that these constants should be treated as bit masks.

Reviewed by:	net
MFC after:	1 week
2013-01-22 19:45:04 +00:00
lstewart
9e1a6406b6 Simplify and fix a bug in cc_ack_received()'s "are we congestion window limited"
logic (refer to [1] for associated discussion). snd_cwnd and snd_wnd are
unsigned long and on 64 bit hosts, min() will truncate them to 32 bits and could
therefore potentially corrupt the result (although under normal operation,
neither variable should legitmately exceed 32 bits).

[1] http://lists.freebsd.org/pipermail/freebsd-net/2013-January/034297.html

Submitted by:	jhb
MFC after:	1 week
2013-01-22 09:44:21 +00:00
jhb
20f8f82daf Don't drop options from the third retransmitted SYN by default. If the
SYNs (or SYN/ACK replies) are dropped due to network congestion, then the
remote end of the connection may act as if options such as window scaling
are enabled but the local end will think they are not.  This can result in
very slow data transfers in the case of window scaling disagreements.

The old behavior can be obtained by setting the
net.inet.tcp.rexmit_drop_options sysctl to a non-zero value.

Reviewed by:	net@
MFC after:	2 weeks
2013-01-09 20:27:06 +00:00
peter
3f8d5a8f51 Temporarily revert rev 244678. This is causing loopback problems with
the lo (loopback) interfaces.
2013-01-03 10:21:28 +00:00
tuexen
c79f406296 Some cleanups.
MFC after: 3 days
2012-12-27 08:10:58 +00:00
tuexen
9b6fdf83a8 Minor cleanups of debug messages.
MFC after: 3 days
2012-12-27 08:06:58 +00:00
tuexen
86859ae7b8 Fix a copy and paste error.
MFC after: 3 days
2012-12-27 08:02:58 +00:00
glebius
ddd09f2a26 Garbage collect carp_cksum(). 2012-12-25 14:29:38 +00:00
glebius
7ccc77532c Change net.inet.carp.demotion sysctl to add the supplied value
to the current demotion factor instead of assigning it.

  This allows external scripts to control demotion factor together
with kernel in a raceless manner.
2012-12-25 14:08:13 +00:00
glebius
2b889e1407 Fix sysctl_handle_int() usage. Either arg1 or arg2 should be supplied,
and arg2 doesn't pass size of arg1.
2012-12-25 13:55:21 +00:00
glebius
9f622a1b38 The SIOCSIFFLAGS ioctl handler runs if_up()/if_down() that notify
all interested parties in case if interface flag IFF_UP has changed.

  However, not only SIOCSIFFLAGS can raise the flag, but SIOCAIFADDR
and SIOCAIFADDR_IN6 can, too. The actual |= is done not in the protocol
code, but in code of interface drivers. To fix this historical layering
violation, we will check whether ifp->if_ioctl(SIOCSIFADDR) raised the
IFF_UP flag, and if it did, run the if_up() handler.

  This fixes configuring an address under CARP control on an interface
that was initially !IFF_UP.

P.S. I intentionally omitted handling the IFF_SMART flag. This flag was
never ever used in any driver since it was introduced, and since it
means another layering violation, it should be garbage collected instead
of pretended to be supported.
2012-12-25 13:01:58 +00:00
glebius
08c9fb9d97 Minor style(9) changes:
- Remove declaration in initializer.
- Add empty line between logical blocks.
2012-12-24 21:35:48 +00:00
glebius
824cae556c Fix !INET6 build after r244365. 2012-12-18 08:14:16 +00:00
glebius
d30d64515c Clear correct flag in INET6 case. 2012-12-18 08:09:44 +00:00
ae
4fee09376a Since we use different flags to detect tcp forwarding, and we share the
same code for IPv4 and IPv6 in tcp_input, we should check both
M_IP_NEXTHOP and M_IP6_NEXTHOP flags.

MFC after:	3 days
2012-12-17 20:55:33 +00:00
glebius
8137816adb Fix problem in r238990. The LLE_LINKED flag should be tested prior to
entering llentry_free(), and in case if we lose the race, we should simply
perform LLE_FREE_LOCKED(). Otherwise, if the race is lost by the thread
performing arptimer(), it will remove two references from the lle instead
of one.

Reported by:	Ian FREISLICH <ianf clue.co.za>
2012-12-13 11:11:15 +00:00
glebius
ef158ba461 Fix a crash in tcp_input(), that happens when mbuf has a fwd_tag on it,
but later after processing and freeing the tag, we need to jump back again
to the findpcb label. Since the fwd_tag pointer wasn't NULL we tried to
process and free the tag for second time.

Reported & tested by:	Pawel Tyll <ptyll nitronet.pl>
MFC after:		3 days
2012-12-12 17:41:21 +00:00
tuexen
9194fa5887 Get it compiling without INET and INET6 support (mainly userland stack).
MFC after: 2 weeks
2012-12-08 15:11:09 +00:00
pjd
9d9aaa0e32 More warnings for zones that depend on the kern.ipc.maxsockets limit.
Obtained from:	WHEEL Systems
2012-12-08 12:51:06 +00:00
tuexen
a7d0df2ed1 Use correct padding of the ABORT chunk in case of an user initiated
abort cause is used.

MFC after: 2 weeks
2012-12-08 09:50:38 +00:00
tuexen
fe8921373b Ensure that the padding of the last parameter of an INIT chunk
is not included in the chunk length as required by RFC 4960.
While there, cleanup sctp_send_initiate().

MFC after: 2 weeks
2012-12-08 08:22:33 +00:00
glebius
8e20fa5ae9 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
andre
cd840ea089 Remove unused and unnecessary CSUM_IP_FRAGS checksumming capability.
Checksumming the IP header of fragments is no different from doing
normal IP headers.

Discussed with:	yongari
MFC after:	1 week
2012-11-27 19:31:49 +00:00
andre
53bc7d240b Add DELACK to list of timers.
MFC after:	1 week
2012-11-27 19:07:28 +00:00
np
a6cf189273 Make sure that tcp_timer_activate() correctly sees TCP_OFFLOAD (or not). 2012-11-27 06:42:44 +00:00
alfred
4d556cc343 Auto size the tcbhashsize structure based on max sockets.
While here, also make the code that enforces power-of-two more
forgiving, instead of just resetting to 512, graciously round-down
to the next lower power of two.
2012-11-27 03:04:24 +00:00
tuexen
2c40d3e68b Add support for sctp_peeloff() also in the front states of the
association.

MFC after: 3 days
2012-11-26 16:44:03 +00:00
tuexen
926b939df3 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
tuexen
6c15e1ad42 Allow shutdown() to be used on fds returned from sctp_peeloff().
MFC after: 3 days
2012-11-26 08:50:00 +00:00
tuexen
b8042628ed Remove unused function.
MFC after: 1 week
2012-11-25 14:25:08 +00:00
tuexen
9a8531105a Add support for SCTP/UDP/IPV6.
This completes the support of
http://tools.ietf.org/html/draft-ietf-tsvwg-sctp-udp-encaps

MFC after: 1 week
2012-11-17 20:04:04 +00:00
tuexen
17aa08aca9 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
rdivacky
ce61d80a96 Initialize hdrlen to 0 to avoid clang warning in NOINET case. 2012-11-10 10:41:00 +00:00
bz
37c975471a Cleanup some whitspace in this file to get it out of an upcoming patch.
MFC after:	10 days
2012-11-08 03:29:55 +00:00
tuexen
2e86daf6ac 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
tuexen
7e9001b55a Add some missing changes missed in the last commit.
MFC after: 1 week
X-MFC with: 242708
2012-11-07 21:25:32 +00:00
tuexen
5e2e6e0753 Improve PR-SCTP if used in combination with NR-SACK.
Based on work done by Mohammad Rajiullah.

MFC after: 1 week
2012-11-07 20:59:00 +00:00
kevlo
25611f9cf9 Fix typo; s/ouput/output 2012-11-07 07:00:59 +00:00
mjg
f5612c5202 Fix possible spurious sbunlock in sctp_sorecvmsg.
Reviewed by:	tuexen
Approved by:	trasz (mentor)
MFC after:	3 days
2012-11-06 23:04:23 +00:00