PF_RXRPC
.family = PF_RXRPC,
.family = PF_RXRPC,
sock_unregister(PF_RXRPC);
sock_unregister(PF_RXRPC);
MODULE_ALIAS_NETPROTO(PF_RXRPC);
sk = sk_alloc(net, PF_RXRPC, GFP_KERNEL, &rxrpc_proto, kern);
[PF_RXRPC] = "PF_RXRPC",
case PF_RXRPC: