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* Bugfix: Use formula from section 7.2.3 of RFC 4960. Reported by Martin Becke.tuexen2009-10-271-1/+1
| | | | | Approved by: rrs (mentor) MFC after: 3 days
* - Macro-izes the packed declaration in all headers.rrs2008-06-141-60/+63
| | | | | | | | | | | | | | | | | | - Vimage prep - these are major restructures to move all global variables to be accessed via a macro or two. The variables all go into a single structure. - Asconf address addition tweaks (add_or_del Interfaces) - Fix rwnd calcualtion to be more conservative. - Support SACK_IMMEDIATE flag to skip delayed sack by demand of peer. - Comment updates in the sack mapping calculations - Invarients panic added. - Pre-support for UDP tunneling (we can do this on MAC but will need added support from UDP to get a "pipe" of UDP packets in. - clear trace buffer sysctl added when local tracing on. Note the majority of this huge patch is all the vimage prep stuff :-)
* - Adds support for the multi-asconf (From Kozuka-san)rrs2008-05-201-249/+183
| | | | | | | | | | | | | | | | | | - Adds some prepwork (Not all yet) for vimage in particular support the delete the sctppcbinfo.xx structs. There is still a leak in here if it were to be called plus we stil need the regrouping (From Me and Michael Tuexen) - Adds support for UDP tunneling. For BSD there is no socket yet setup so its disabled, but major argument changes are in here to emcompass the passing of the port number (zero when you don't have a udp tunnel, the default for BSD). Will add some hooks in UDP here shortly (discussed with Robert) that will allow easy tunneling. (Mainly from Peter Lei and Michael Tuexen with some BSD work from me :-D) - Some ease for windows, evidently leave is reserved by their compile move label leave: -> out: MFC after: 1 week
* - Define changes in sctp.hrrs2008-05-201-38/+13
| | | | | | | | | - Bug in CA that does not get us incrementing the PBA properly which made us more conservative. - comment updated in sctp_input.c - memsets added before we log - added arg to hmac id's MFC after: 2 weeks
* - Locking compatiability changes. This involves addingrrs2007-09-081-5/+5
| | | | | | | | | | | additional flags to many function calls. The flags only get used in BSD when we compile with lock testing. These flags allow apple to escape the "giant" lock it holds on the socket and have more fine-grained locking in the NKE. It also allows us to test (with witness) the locking used by apple via a compile switch (manually applied). Approved by: re@freebsd.org(B Mah)
* - added pre-checks to the bindx call.rrs2007-07-171-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | - use proper tick gathering macro instead of ticks directly. - Placed reasonable boundaries on sets that a user can do that are converted to ticks from ms. - Fix CMT_PF to always check to be sure CMT is on. - Fix ticks use of CMT_PF. - put back code to allow asconfs to be queued while INITs are in flight and before the assoc is established. - During window probes, an ack'd packet might be left with the window probe mark on it causing it to be retransmitted. Change so that the flight decrease macro clears the window_probe mark. - Additional logging flight size/reading and ASOC LOG. This is only enabled if you manually insert things into opt_sctp.h since its a set of debug code only. - Found an interesting SMP race in the way data was appended which could cause a reader to lose a part of a message, had to reorder when we marked the message was complete to after the data was appended. - bug in ADD-IP for the subset bound socket case when the peer has only one address - fix ASCONF implicit success/error handling case - proper support of jails in Freebsd 6> - copy out the timeval for the 64 bit sparc world on cookie-echo alignment error crashes without this). Approved by: re(Ken Smith)
* - Modular congestion control, with RFC2581 being the default.rrs2007-07-141-0/+1631
- CMT_PF states added (w/sysctl to turn the PF version on) - sctp_input.c had a missing incr of cookie case when the auth was bad. This meant a free was called without an increment to refcnt, added increment like rest of code. - There was a case, unlikely, when the scope of the destination changed (this is a TSNH case). In that case, it would not free the alloc'ed asoc (in sctp_input.c). - When listed addresses found a colliding cookie/Init, then the collided upon tcb was not unlocked in sctp_pcb.c - Add error checking on arguments of sctp_sendx(3) to prevent it from referencing a NULL pointer. - Fix an error return of sctp_sendx(3), it was returing ENOMEM not -1. - Get assoc id was changed to use the sanctified socket api method for getting a assoc id (PEER_ADDR_INFO instead of PEER_ADDR_PARAMS). - Fix it so a peeled off socket will get a proper error return if it trys to send to a different address then it is connected to. - Fix so that select_a_stream can avoid an endless loop that could hang a caller. - time_entered (state set time) was not being set in all cases to the time we went established. Approved by: re(ken smith)
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