[TCP] mtu probing: move tcp-specific data out of inet_connection_sock
This moves some TCP-specific MTU probing state out of
inet_connection_sock back to tcp_sock.
Signed-off-by: John Heffner <jheffner@psc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index f2bb239..542d395 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -343,6 +343,12 @@
__u32 seq;
__u32 time;
} rcvq_space;
+
+/* TCP-specific MTU probe information. */
+ struct {
+ __u32 probe_seq_start;
+ __u32 probe_seq_end;
+ } mtu_probe;
};
static inline struct tcp_sock *tcp_sk(const struct sock *sk)
