> I'm just curious about the sll_addr field in struct sockaddr_ll. What
> address does this refer to? The source or destination?
>
> I'm especially curious as to what this field contains for a packet
> captured in promiscuous mode.
The same value, that you have on another sockets: i.e. address to reply.
If the packet is PACKET_OUTGOING, the address is not well-defined,
but usually it is your own address.
Alexey
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