tcp_tso_segment  1360 include/net/tcp.h extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
tcp_tso_segment  1320 net/ipv4/af_inet.c 	.gso_segment =	tcp_tso_segment,
tcp_tso_segment  2061 net/ipv6/tcp_ipv6.c 	.gso_segment	=	tcp_tso_segment,