Date: Mon, 24 Oct 2011 07:48:17 +0200 From: Michael Tuexen <Michael.Tuexen@lurchi.franken.de> To: jyl_2006 <yilinjing2006@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: SCTP : problems in sending ASCONF chunks Message-ID: <81904D4D-B792-4A08-8113-77F62E4F7C77@lurchi.franken.de> In-Reply-To: <1319422844876-4931035.post@n5.nabble.com> References: <1319362410261-4929128.post@n5.nabble.com> <2E60D876-9B2C-4039-9366-40451D5914E2@lurchi.franken.de> <1319422844876-4931035.post@n5.nabble.com>
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Hi, OK, let me try to test this on one of my machines. I might take a couple of days... Best regards Michael On Oct 24, 2011, at 4:20 AM, jyl_2006 wrote: > Hi,T=C3=BCxen >=20 > I will provide more detail: > The Topology is: > --------1(192.168.1.20) > computer A ---------------------------1 computer B(192.168.1.80) > --------2(192.168.1.50) > means computer has two wireless cards , I name them with A_1 and A_2, > computer B has one wireless cards, and its name is B_1. >=20 > Now, A_1 init a association with B_1. Here, I provide message getting = from > wireshark , > INIT=EF=BC=9A > Internet Protocol, Src: 192.168.1.20 (192.168.1.20), Dst: 192.168.1.80 > (192.168.1.80) > Supported Extensions parameter (Supported types: ASCONF, ASCONF_ACK, > FORWARD_TSN, PKTDROP, STREAM_RESET, AUTH) > INIT=E3=80=80ACK: > Internet Protocol, Src: 192.168.1.80 (192.168.1.80), Dst: 192.168.1.20 > (192.168.1.20) > Supported Extensions parameter (Supported types: ASCONF, ASCONF_ACK, > FORWARD_TSN, PKTDROP, STREAM_RESET, AUTH) >=20 > Debug message: > SCTP_SACK process cum_ack:45452434 num_seg:0 a_rwnd:1864135 > Check for chunk output prw:1864135 tqe:1 tf=3D0 > Send called addr:0xc591c980 send length 2 > Calling ipv4 output routine from low level src addr:c0a80114 > Destination is c0a80150 > RTP route is 0xc5caaaf8 through > IP output returns 0 > m-c-o put out 1 > Ok, we have put out 1 chunks > USR Send complete qo:0 prw:1863859 unsent:18 tf:18 cooq:1 toqs:18 = err:0 > Ok laddr->ifa:0xc5baab00 is possible, asconf_queue_mgmt: inserted = asconf > ADD_IP_ADDRESS: IPv4 address: 192.168.1.50:0 > m-c-o put out 0 > Ok, we have put out 0 chunks > sctp_input() length:28 iphlen:20 > sctp_input(): Packet of length 48 received on wlan0 with csum_flags = 0x0. > Ok, Common input processing called, m:0xc72dab00 iphlen:20 offset:32 > length:48 stcb:0xcc2335dc > stcb:0xcc2335dc state:8 > sctp_process_control: iphlen=3D20, offset=3D32, length=3D48 = stcb:0xcc2335dc > sctp_process_control: processing a chunk type=3D3, len=3D16 >=20 > Actually,I also test following Topology : > --------1(192.168.1.20) =20 > --------------1(192.168.1.80) > computer A --------------------------- computer B > --------2(192.168.2.20) =20 > --------------2(192.168.2.80) > means computer has two wireless cards , I name them with A_1 and A_2, > computer B has two wireless cards, and its name is B_1 and B_2. >=20 > The result from wireshark and debug message have same results. >=20 >=20 > -- > View this message in context: = http://freebsd.1045724.n5.nabble.com/SCTP-problems-in-sending-ASCONF-chunk= s-tp4929128p4931035.html > Sent from the freebsd-net mailing list archive at Nabble.com. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >=20
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