SCTP: Support printing some latest chunk types #994
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added 5 commits
July 5, 2022 14:29
Add support for printing SCTP I-DATA chunk based on RFC8260 section 2.1 Prints payload when vflag leve is greater than 1.
Add support for printing I-FORWARD chunk based on RFC8260 section 2.3. Remove REL_CTL (RFC3758) since it is obsolete and it uses the value '0xc2' of I-FORWARD for CNTL_ACK. Print stream IDs and message IDs with `-vv` set.
Add support for printing RE-CONFIG chunk based on RFC6525 section3.1. Prints all optional parameters when `-vv` is set. Example: [RE-CONFIG] [OUT SSN RESET: REQ SEQ:, RES SEQ:, Last TSN:, SID 0 1]
Add support for printing ASCONF and ASCONF-ACK chunk based on RFC5061. Remove REL_CNTL(0xc1) because it's obsolete and conflicts with ASCONF. Prints all ASCONF parameters with `-vv` set. `-vv` Example: [ASCONF] [SEQ: .., ADDR: 192...] [DEL ADDR: C-ID: 0, ADDR: 192...] [ASCONF-ACK] [SEQ: 4161214189] `-v` Example: [ASCONF] [SEQ: .., ADDR: 192...] [DEL ADDR]
Add support for printing PAD chunk based on RFC4820 section3. Example: [PAD]
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Some new SCTP chunk types are implemented in Linux kernel but not yet supported by
tcpdumpto print them appropriately. These patches add corresponding supports for chunks below:Reviewers: marcelo.leitner@gmail.com, lucien.xin@gmail.com
Sign-off-by: luoyuxuan.carl@gmail.com