call_gro_receive
return call_gro_receive(eth_gro_receive, head, skb);
pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
pp = call_gro_receive(eth_gro_receive, head, skb);
pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
pp = call_gro_receive(ptype->callbacks.gro_receive, head, skb);
return call_gro_receive(udp_gro_receive_segment, head, skb);
pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);
pp = call_gro_receive(ops->callbacks.gro_receive, head, skb);