ipv6_gro_receive
INDIRECT_CALLABLE_DECLARE(struct sk_buff *ipv6_gro_receive(struct list_head *,
ipv6_gro_receive, inet_gro_receive,
ipv6_gro_receive, inet_gro_receive,
ipv6_gro_receive, inet_gro_receive,
return ipv6_gro_receive(head, skb);
.gro_receive = ipv6_gro_receive,