what is difference between packet_ops_spkt and packet_ops

Question

Can anybody please help me difference between packet_ops_spkt and packet_ops structures operations.Where is used packet_ops_spkt and how to use packet_ops. This both structures having Linux kernel source code under source/net/packet/af_packet.c

Answer 1

Google it and for your reference,

http://lxr.free-electrons.com/source/net/packet/af_packet.c#L2788

If sock->type is SOCK_PACKET then use the packet_ops_spkt stucture

The SOCK_PACKET is used to write raw socket, if you create socket with SOCK_RAW type.

http://www.masterraghu.com/subjects/np/introduction/unix_network_programming_v1.3/ch29lev1sec4.html