The USER DLTs are really for temporary or experimental or at least
internal-only use. If you intend to use your layer for a long time or
publish it, it's quite easy to request a new DLT (by emailing the
tcpdump-workers list at tcpdump.org). Just be sure that you register
one instead of just using some number--number collisions from
unregistered uses are a nightmare.
Lange Jan-Erik wrote:
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-bounces@xxxxxxxxxxxxx
[wireshark-dev-bounces@xxxxxxxxxxxxx] im Auftrag von Lange Jan-Erik
[Jan-Erik.Lange@xxxxxxxxxxxxxx]
*Gesendet:* Donnerstag, 18. November 2010 13:28
*An:* wireshark-dev@xxxxxxxxxxxxx
*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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