SCTP : problems in sending ASCONF chunks

[Michael Tuexen]

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,Tüxen
> 
> 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.
> 
> Now, A_1 init a association with B_1. Here, I provide message getting from
> wireshark ,
> INIT：
> 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　ACK:
> 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)
> 
> Debug message:
> SCTP_SACK process cum_ack:45452434 num_seg:0 a_rwnd:1864135
> Check for chunk output prw:1864135 tqe:1 tf=0
> 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=20, offset=32, length=48 stcb:0xcc2335dc
> sctp_process_control: processing a chunk type=3, len=16
> 
> Actually,I also test following Topology :
> --------1(192.168.1.20)                        
> --------------1(192.168.1.80)
> computer  A   --------------------------- computer B
> --------2(192.168.2.20)                        
> --------------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.
> 
> The result from wireshark and debug message have same results.
> 
> 
> --
> View this message in context: http://freebsd.1045724.n5.nabble.com/SCTP-problems-in-sending-ASCONF-chunks-tp4929128p4931035.html
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