I solved it using WTAP_ENCAP_USER0. ..I think a better solution was it if i 
could declare a really new "link type". But I think it is going well this way.


________________________________
Von: wireshark-dev-boun...@wireshark.org [wireshark-dev-boun...@wireshark.org] 
im Auftrag von Lange Jan-Erik [jan-erik.la...@haw-hamburg.de]
Gesendet: Donnerstag, 18. November 2010 13:28
An: wireshark-dev@wireshark.org
Betreff: [Wireshark-dev] adding an encap_type_info element

Hello,

I want to dissect a packet that is not ethernet compliant. In the following I 
decribe the strategy to realize this.
Can you tell me where I'm wrong?

1. I have to add a new encap_type_info element to the encap_table_base[] struct 
in the wtap.c file.
 /* WTAP_ENCAP_MYPHYLAYER */
 { "My Phy Layer", "myphylayer" },

2. In the wtap.h file I have to add a new #define element, ie.
#define WTAP_ENCAP_MYPHYLAYER                    129

3. Now I can add the dissecor:
dissector_add("myphylayer", WTAP_ENCAP_MYPHYLAYER, myprot_handle);

Is this correct in general or are there points missing?

Best regards
Jan
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