From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Subject: Re: [PATCH 0/6] sctp: Auto-ASCONF patch series Date: Wed, 27 Apr 2011 17:28:49 +0800 Message-ID: <4DB7E1D1.8030104@cn.fujitsu.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, YOSHIFUJI Hideaki To: Michio Honda Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:58530 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752227Ab1D0J3I (ORCPT ); Wed, 27 Apr 2011 05:29:08 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: > From 9ede9db0ec4b03d3061a5bfed78328cb5528b908 Mon Sep 17 00:00:00 2001 > From: Michio Honda > Date: Wed, 27 Apr 2011 17:16:21 +0900 > Subject: [PATCH 0/6] sctp: Auto-ASCONF patch series > > Series of 6 patches to support auto_asconf and the other related functionalities that auto_asconf relies on. > > Michio Honda (5): > sctp: Add ADD/DEL ASCONF handling at the receiver. > sctp: Add Auto-ASCONF support (core). > sctp: Add sysctl support for Auto-ASCONF. > sctp: Add socket option operation for Auto-ASCONF. > sctp: sctp: Add ASCONF operation on the single-homed host > > YOSHIFUJI Hideaki (1): > sctp: Allow regular C expression in 4th argument for > SCTP_DEBUG_PRINTK_IPADDR macro. When I test this patchset using IPv4 only socket, Host1: #sctp_test -H 0.0.0.0 -P 9000 -l Host2: #sctp_test -H 0.0.0.0 -P 9000 -h 192.168.0.19 -p 9000 -s -x 1 -D -T I got following unexpected thing, IPv6 address be added to the asoc. Frame 3 (118 bytes on wire, 118 bytes captured) Arrival Time: Apr 27, 2011 17:17:59.572897000 [Time delta from previous captured frame: 13.804056000 seconds] [Time delta from previous displayed frame: 13.804056000 seconds] [Time since reference or first frame: 13.804105000 seconds] Frame Number: 3 Frame Length: 118 bytes Capture Length: 118 bytes [Frame is marked: False] [Protocols in frame: eth:ip:sctp] Ethernet II, Src: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c), Dst: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Destination: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Address: RealtekU_21:3c:7c (52:54:00:21:3c:7c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Source: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Address: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.0.21 (192.168.0.21), Dst: 192.168.0.19 (192.168.0.19) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x02 (DSCP 0x00: Default; ECN: 0x02) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..1. = ECN-Capable Transport (ECT): 1 .... ...0 = ECN-CE: 0 Total Length: 104 Identification: 0x001e (30) Flags: 0x02 (Don't Fragment) 0.. = Reserved bit: Not Set .1. = Don't fragment: Set ..0 = More fragments: Not Set Fragment offset: 0 Time to live: 64 Protocol: SCTP (0x84) Header checksum: 0xb879 [correct] [Good: True] [Bad : False] Source: 192.168.0.21 (192.168.0.21) Destination: 192.168.0.19 (192.168.0.19) Stream Control Transmission Protocol, Src Port: 9000 (9000), Dst Port: 9000 (9000) Source port: 9000 Destination port: 9000 Verification tag: 0x2b1e0377 Checksum: 0x2a2e5aff (not verified) AUTH chunk Chunk type: AUTH (15) 0... .... = Bit: Stop processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 28 Shared key identifier: 0 HMAC identifier: SHA-1 (1) HMAC: AA21B3835E1069FBFFA3589B1EB4C0AE47021F15 ASCONF chunk Chunk type: ASCONF (193) 1... .... = Bit: Skip chunk and continue processing of the packet .1.. .... = Bit: Do report Chunk flags: 0x00 Chunk length: 44 Serial number: 0xfa0b220b IPv4 address parameter (Address: 192.168.1.21) Parameter type: IPv4 address (0x0005) 0... .... .... .... = Bit: Stop processing of chunk .0.. .... .... .... = Bit: Do not report Parameter length: 8 IP Version 4 address: 192.168.1.21 (192.168.1.21) Delete IP address parameter (Address: 3ffe:501:ffff:101:5054:ff:fe70:993d, correlation ID: 0) Parameter type: Delete IP address (0xc002) 1... .... .... .... = Bit: Skip parameter and continue processing of the chunk .1.. .... .... .... = Bit: Do report Parameter length: 28 Correlation_id: 0x00000000 IPv6 address parameter (Address: 3ffe:501:ffff:101:5054:ff:fe70:993d) Parameter type: IPv6 address (0x0006) 0... .... .... .... = Bit: Stop processing of chunk .0.. .... .... .... = Bit: Do not report Parameter length: 20 IP Version 6 address: 3ffe:501:ffff:101:5054:ff:fe70:993d (3ffe:501:ffff:101:5054:ff:fe70:993d) No. Time Source Destination Protocol Info 4 13.804193 192.168.0.19 192.168.0.21 SCTP AUTH ASCONF_ACK Frame 4 (122 bytes on wire, 122 bytes captured) Arrival Time: Apr 27, 2011 17:17:59.572985000 [Time delta from previous captured frame: 0.000088000 seconds] [Time delta from previous displayed frame: 0.000088000 seconds] [Time since reference or first frame: 13.804193000 seconds] Frame Number: 4 Frame Length: 122 bytes Capture Length: 122 bytes [Frame is marked: False] [Protocols in frame: eth:ip:sctp] Ethernet II, Src: RealtekU_21:3c:7c (52:54:00:21:3c:7c), Dst: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Destination: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Address: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Source: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Address: RealtekU_21:3c:7c (52:54:00:21:3c:7c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.0.19 (192.168.0.19), Dst: 192.168.0.21 (192.168.0.21) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x02 (DSCP 0x00: Default; ECN: 0x02) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..1. = ECN-Capable Transport (ECT): 1 .... ...0 = ECN-CE: 0 Total Length: 108 Identification: 0x0000 (0) Flags: 0x02 (Don't Fragment) 0.. = Reserved bit: Not Set .1. = Don't fragment: Set ..0 = More fragments: Not Set Fragment offset: 0 Time to live: 64 Protocol: SCTP (0x84) Header checksum: 0xb893 [correct] [Good: True] [Bad : False] Source: 192.168.0.19 (192.168.0.19) Destination: 192.168.0.21 (192.168.0.21) Stream Control Transmission Protocol, Src Port: 9000 (9000), Dst Port: 9000 (9000) Source port: 9000 Destination port: 9000 Verification tag: 0x1b2d2288 Checksum: 0x9b288dab (not verified) AUTH chunk Chunk type: AUTH (15) 0... .... = Bit: Stop processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 28 Shared key identifier: 0 HMAC identifier: SHA-1 (1) HMAC: DDB8D3766671957FABA3554DE588599C9624DCBB ASCONF_ACK chunk Chunk type: ASCONF_ACK (128) 1... .... = Bit: Skip chunk and continue processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 48 Serial number: 0xfa0b220b Error cause indication parameter Parameter type: Error cause indication (0xc003) 1... .... .... .... = Bit: Skip parameter and continue processing of the chunk .1.. .... .... .... = Bit: Do report Parameter length: 40 Correlation_id: 0x00000000 Unresolvable address cause (Address: ) Cause code: Unresolvable address (0x0005) Cause length: 32 Delete IP address parameter (Address: 3ffe:501:ffff:101:5054:ff:fe70:993d, correlation ID: 0) Parameter type: Delete IP address (0xc002) 1... .... .... .... = Bit: Skip parameter and continue processing of the chunk .1.. .... .... .... = Bit: Do report Parameter length: 28 Correlation_id: 0x00000000 IPv6 address parameter (Address: 3ffe:501:ffff:101:5054:ff:fe70:993d) Parameter type: IPv6 address (0x0006) 0... .... .... .... = Bit: Stop processing of chunk .0.. .... .... .... = Bit: Do not report Parameter length: 20 IP Version 6 address: 3ffe:501:ffff:101:5054:ff:fe70:993d (3ffe:501:ffff:101:5054:ff:fe70:993d) Frame 5 (118 bytes on wire, 118 bytes captured) Arrival Time: Apr 27, 2011 17:17:59.573941000 [Time delta from previous captured frame: 0.000956000 seconds] [Time delta from previous displayed frame: 0.000956000 seconds] [Time since reference or first frame: 13.805149000 seconds] Frame Number: 5 Frame Length: 118 bytes Capture Length: 118 bytes [Frame is marked: False] [Protocols in frame: eth:ip:sctp] Ethernet II, Src: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c), Dst: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Destination: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Address: RealtekU_21:3c:7c (52:54:00:21:3c:7c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Source: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Address: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.0.21 (192.168.0.21), Dst: 192.168.0.19 (192.168.0.19) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x02 (DSCP 0x00: Default; ECN: 0x02) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..1. = ECN-Capable Transport (ECT): 1 .... ...0 = ECN-CE: 0 Total Length: 104 Identification: 0x001f (31) Flags: 0x02 (Don't Fragment) 0.. = Reserved bit: Not Set .1. = Don't fragment: Set ..0 = More fragments: Not Set Fragment offset: 0 Time to live: 64 Protocol: SCTP (0x84) Header checksum: 0xb878 [correct] [Good: True] [Bad : False] Source: 192.168.0.21 (192.168.0.21) Destination: 192.168.0.19 (192.168.0.19) Stream Control Transmission Protocol, Src Port: 9000 (9000), Dst Port: 9000 (9000) Source port: 9000 Destination port: 9000 Verification tag: 0x2b1e0377 Checksum: 0x91cfddc0 (not verified) AUTH chunk Chunk type: AUTH (15) 0... .... = Bit: Stop processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 28 Shared key identifier: 0 HMAC identifier: SHA-1 (1) HMAC: 2293892E2642A2D0E8911A669761E86134A47BD0 ASCONF chunk Chunk type: ASCONF (193) 1... .... = Bit: Skip chunk and continue processing of the packet .1.. .... = Bit: Do report Chunk flags: 0x00 Chunk length: 44 Serial number: 0xfa0b220c IPv6 address parameter (Address: 3ffe:501:ffff:101:5054:ff:fe70:993d) Parameter type: IPv6 address (0x0006) 0... .... .... .... = Bit: Stop processing of chunk .0.. .... .... .... = Bit: Do not report Parameter length: 20 IP Version 6 address: 3ffe:501:ffff:101:5054:ff:fe70:993d (3ffe:501:ffff:101:5054:ff:fe70:993d) Delete IP address parameter (Address: 192.168.1.21, correlation ID: 0) Parameter type: Delete IP address (0xc002) 1... .... .... .... = Bit: Skip parameter and continue processing of the chunk .1.. .... .... .... = Bit: Do report Parameter length: 16 Correlation_id: 0x00000000 IPv4 address parameter (Address: 192.168.1.21) Parameter type: IPv4 address (0x0005) 0... .... .... .... = Bit: Stop processing of chunk .0.. .... .... .... = Bit: Do not report Parameter length: 8 IP Version 4 address: 192.168.1.21 (192.168.1.21) No. Time Source Destination Protocol Info 6 13.805190 192.168.0.19 192.168.0.21 SCTP AUTH ASCONF_ACK Frame 6 (82 bytes on wire, 82 bytes captured) Arrival Time: Apr 27, 2011 17:17:59.573982000 [Time delta from previous captured frame: 0.000041000 seconds] [Time delta from previous displayed frame: 0.000041000 seconds] [Time since reference or first frame: 13.805190000 seconds] Frame Number: 6 Frame Length: 82 bytes Capture Length: 82 bytes [Frame is marked: False] [Protocols in frame: eth:ip:sctp] Ethernet II, Src: RealtekU_21:3c:7c (52:54:00:21:3c:7c), Dst: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Destination: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) Address: RealtekU_1a:f0:5c (52:54:00:1a:f0:5c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Source: RealtekU_21:3c:7c (52:54:00:21:3c:7c) Address: RealtekU_21:3c:7c (52:54:00:21:3c:7c) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.0.19 (192.168.0.19), Dst: 192.168.0.21 (192.168.0.21) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x02 (DSCP 0x00: Default; ECN: 0x02) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..1. = ECN-Capable Transport (ECT): 1 .... ...0 = ECN-CE: 0 Total Length: 68 Identification: 0x0000 (0) Flags: 0x02 (Don't Fragment) 0.. = Reserved bit: Not Set .1. = Don't fragment: Set ..0 = More fragments: Not Set Fragment offset: 0 Time to live: 64 Protocol: SCTP (0x84) Header checksum: 0xb8bb [correct] [Good: True] [Bad : False] Source: 192.168.0.19 (192.168.0.19) Destination: 192.168.0.21 (192.168.0.21) Stream Control Transmission Protocol, Src Port: 9000 (9000), Dst Port: 9000 (9000) Source port: 9000 Destination port: 9000 Verification tag: 0x1b2d2288 Checksum: 0x0962e46c (not verified) AUTH chunk Chunk type: AUTH (15) 0... .... = Bit: Stop processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 28 Shared key identifier: 0 HMAC identifier: SHA-1 (1) HMAC: DBE65D3AB3FB77D29FE2870BBB9ECCE4DC6D5EB6 ASCONF_ACK chunk Chunk type: ASCONF_ACK (128) 1... .... = Bit: Skip chunk and continue processing of the packet .0.. .... = Bit: Do not report Chunk flags: 0x00 Chunk length: 8 Serial number: 0xfa0b220c