tcp: rename tcp_tso_segment()

Rename tcp_tso_segment() to tcp_gso_segment(), to better reflect
what is going on, and ease grep games.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tcp.h

@@ -1548,7 +1548,7 @@ extern struct request_sock_ops tcp6_request_sock_ops;
 
 void tcp_v4_destroy_sock(struct sock *sk);
 
-struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
+struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
 				netdev_features_t features);
 struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb);
 int tcp_gro_complete(struct sk_buff *skb);

net/ipv4/tcp_offload.c

@@ -14,7 +14,7 @@
 #include <net/tcp.h>
 #include <net/protocol.h>
 
-struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
+struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
 				netdev_features_t features)
 {
 	struct sk_buff *segs = ERR_PTR(-EINVAL);
@@ -139,7 +139,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
 out:
 	return segs;
 }
-EXPORT_SYMBOL(tcp_tso_segment);
+EXPORT_SYMBOL(tcp_gso_segment);
 
 struct sk_buff **tcp_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 {
@@ -320,7 +320,7 @@ static int tcp4_gro_complete(struct sk_buff *skb)
 static const struct net_offload tcpv4_offload = {
 	.callbacks = {
 		.gso_send_check	=	tcp_v4_gso_send_check,
-		.gso_segment	=	tcp_tso_segment,
+		.gso_segment	=	tcp_gso_segment,
 		.gro_receive	=	tcp4_gro_receive,
 		.gro_complete	=	tcp4_gro_complete,
 	},

net/ipv6/tcpv6_offload.c

@@ -83,7 +83,7 @@ static int tcp6_gro_complete(struct sk_buff *skb)
 static const struct net_offload tcpv6_offload = {
 	.callbacks = {
 		.gso_send_check	=	tcp_v6_gso_send_check,
-		.gso_segment	=	tcp_tso_segment,
+		.gso_segment	=	tcp_gso_segment,
 		.gro_receive	=	tcp6_gro_receive,
 		.gro_complete	=	tcp6_gro_complete,
 	},