udpv6_sendmsg
int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);
return INDIRECT_CALL_2(prot->sendmsg, tcp_sendmsg, udpv6_sendmsg,
EXPORT_SYMBOL(udpv6_sendmsg);
.sendmsg = udpv6_sendmsg,
return udpv6_sendmsg(sk, msg, len);