tcp: export tcp_mss_to_mtu() for congestion control modules

nealcardwell · davem330 · commit 556c6b46d194 · 2016-09-21T00:23:01.000-04:00
Export tcp_mss_to_mtu(), so that congestion control modules can use
this to help calculate a pacing rate.

Signed-off-by: Van Jacobson &lt;vanj@google.com&gt;
Signed-off-by: Neal Cardwell &lt;ncardwell@google.com&gt;
Signed-off-by: Yuchung Cheng &lt;ycheng@google.com&gt;
Signed-off-by: Nandita Dukkipati &lt;nanditad@google.com&gt;
Signed-off-by: Eric Dumazet &lt;edumazet@google.com&gt;
Signed-off-by: Soheil Hassas Yeganeh &lt;soheil@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
@@ -1362,6 +1362,7 @@ int tcp_mss_to_mtu(struct sock *sk, int mss)
 	}
 	return mtu;
 }
+EXPORT_SYMBOL(tcp_mss_to_mtu);
 
 /* MTU probing init per socket */
 void tcp_mtup_init(struct sock *sk)

Original file line number	Diff line number	Diff line change
`@@ -1362,6 +1362,7 @@ int tcp_mss_to_mtu(struct sock *sk, int mss)`
`1362`	`1362`	`}`
`1363`	`1363`	`return mtu;`
`1364`	`1364`	`}`
	`1365`	`+EXPORT_SYMBOL(tcp_mss_to_mtu);`
`1365`	`1366`
`1366`	`1367`	`/* MTU probing init per socket */`
`1367`	`1368`	`void tcp_mtup_init(struct sock *sk)`