Create socket to send and receive arp packets - Freebsd

[Andrey V. Elsukov]

On 10.04.16 11:00, Wafa Hamzah wrote:
> We are trying to send arp requests from user space using a RAW
> socket. Our Linux reference suggest the following flags when creating
> the socket: s  = socket (PF_PACKET, SOCK_PACKET, htons(ETH_P_ARP))). 
> For FreeBSD support, we replaced PF_PACKET with PF_ARP , SOCK_PACKET
> with SOCK_RAW and htons(ETH_P_ARP) with  ETHERTYPE_ARP Which resulted
> in a failure to create the socket (the return code was -1).

Hi,

AFAIR, you can't send ARP packets via RAW sockets in FreeBSD. You need
to use bpf(4) or some libraries like libpcap.

-- 
WBR, Andrey V. Elsukov

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