Fix definitions of SOCKET_MAX, TCP_MAX_CONNS

...and, given that I keep getting this wrong, add a convenience
macro, MAX_FROM_BITS().

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/tcp_conn.h b/tcp_conn.h
index a499f34..c22632b 100644
--- a/tcp_conn.h
+++ b/tcp_conn.h
@@ -54,7 +54,7 @@ struct tcp_tap_conn {
 
 #define TCP_RETRANS_BITS		3
 	unsigned int	retrans		:TCP_RETRANS_BITS;
-#define TCP_MAX_RETRANS			((1U << TCP_RETRANS_BITS) - 1)
+#define TCP_MAX_RETRANS			MAX_FROM_BITS(TCP_RETRANS_BITS)
 
 #define TCP_WS_BITS			4	/* RFC 7323 */
 #define TCP_WS_MAX			14