The attached patch allows SCTP sockets to be bound to specific connections when using AF_CONN. This allows to use the same SCTP port number on both sides of an association even when used in different tabs of the same browser. While there, fix the bug the ECN support was announced in the SCTP handshake even the Firefox infrastructure doesn't support it. Please note that an update of SCTP sources is required to support the required functionality. Please note that the local patches applied in https://bugzilla.mozilla.org/show_bug.cgi?id=828154 need the following change: * No change required to usrsctp.h, the patch was incorrect. * No change required anymore to user_recv_thread.c, since the patch has been included upstream.

Comment on attachment 730566 [details] [diff] [review] Update DataChannels to use new stack option to ignore port numbers over DTLS links Un-bitrotted patch; r+ Works when combined with bug 855623 (one-way-open protocol change) and bug 855620 (sctp lib update)