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authorTobias Klauser <tklauser@distanz.ch>2014-02-26 14:40:03 +0100
committerTobias Klauser <tklauser@distanz.ch>2014-02-26 14:40:03 +0100
commita37101161784cb6904f001e3236afd1ad567efb7 (patch)
tree844b286e9d57d8e94f5105875b2c02bd8dc26dfd /screen.c
parent35400b74a777675ba9f5ffd85b68feb705cd934b (diff)
dissectors: ethernet: Handle multicast/broadcast addresses properly
Until now, we just looked up the vendor string based on the OUI for each MAC address. Thus, multicast and broadcast addresses were just printed as "Unknown" which is a bit misleading. Improve this situation by checking bit 0 of the 1st octet of the address and by checking for the broadcast address if it is set. If a multicast/broadcast address is found, the respective string is returned. In all other cases, the existing OUI lookup is done. In the future we might extend this mechanism to look up well-known multicast addresses. Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'screen.c')
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