From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net v2] sctp: ASCONF-ACK with Unresolvable Address should be sent Date: Fri, 28 Aug 2015 22:26:11 -0700 (PDT) Message-ID: <20150828.222611.1146631151814575971.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, mleitner@redhat.com, vyasevic@redhat.com To: lucien.xin@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:58272 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752533AbbH2F0M (ORCPT ); Sat, 29 Aug 2015 01:26:12 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Xin Long Date: Fri, 28 Aug 2015 17:45:58 +0800 > RFC 5061: > This is an opaque integer assigned by the sender to identify each > request parameter. The receiver of the ASCONF Chunk will copy this > 32-bit value into the ASCONF Response Correlation ID field of the > ASCONF-ACK response parameter. The sender of the ASCONF can use this > same value in the ASCONF-ACK to find which request the response is > for. Note that the receiver MUST NOT change this 32-bit value. > > Address Parameter: TLV > > This field contains an IPv4 or IPv6 address parameter, as described > in Section 3.3.2.1 of [RFC4960]. > > ASCONF chunk with Error Cause Indication Parameter (Unresolvable Address) > should be sent if the Delete IP Address is not part of the association. > > Endpoint A Endpoint B > (ESTABLISHED) (ESTABLISHED) > > ASCONF -----------------> > (Delete IP Address) > <----------------- ASCONF-ACK > (Unresolvable Address) > > Signed-off-by: Xin Long Applied.