tcp: increase ICSK_CA_PRIV_SIZE from 64 bytes to 88

The TCP CUBIC module already uses 64 bytes.
The upcoming TCP BBR module uses 88 bytes.

Signed-off-by: Van Jacobson <vanj@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/inet_connection_sock.h

@@ -134,8 +134,8 @@ struct inet_connection_sock {
 	} icsk_mtup;
 	u32			  icsk_user_timeout;
 
-	u64			  icsk_ca_priv[64 / sizeof(u64)];
-#define ICSK_CA_PRIV_SIZE      (8 * sizeof(u64))
+	u64			  icsk_ca_priv[88 / sizeof(u64)];
+#define ICSK_CA_PRIV_SIZE      (11 * sizeof(u64))
 };
 
 #define ICSK_TIME_RETRANS	1	/* Retransmit timer */