Hi, How to define filters and display the data of fields that may occur in multiple protocols? One example is IMSI ( International Mobile Subscriber identity) that exists in multiple 3GPP and 3GPP2 protocols, following a call flow through the system it could be interesting to filter on IMSI across multiple protocols to build a filter covering all messages in the call flow.
Suggestion: Create global_filters.[ch] in epan/dissectors or (packet-global_filters?) define functions to parse the data there and/or export the hf Variable to be used in the protocol dissectors. >From GTPv2 current: : International Mobile Subscriber Identity (IMSI) : 262021030000050 IE Type: International Mobile Subscriber Identity (IMSI) (1) IE Length: 8 0000 .... = CR flag: 0 .... 0000 = Instance: 0 IMSI(International Mobile Subscriber Identity number): 262021030000050 : New International Mobile Subscriber Identity (IMSI) : 262021030000050 IE Type: International Mobile Subscriber Identity (IMSI) (1) IE Length: 8 0000 .... = CR flag: 0 .... 0000 = Instance: 0 IMSI(International Mobile Subscriber Identity number): 262021030000050 [Global filter IMSI : 262021030000050] Comments? Regards Anders
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