PSARC 2010/042 increase max TCP_INIT_CWND

6923847 Increase TCP_INIT_CWND max
6918307 Some TCP kstats are not needed
6923858 TCP connection counter
6925635 The file tcp.c is too big

1 files changed, 128 insertions, 0 deletions

diff --git a/usr/src/uts/common/inet/tcp_cluster.h b/usr/src/uts/common/inet/tcp_cluster.h
new file mode 100644
index 0000000000..90efc1be34
--- /dev/null
+++ b/usr/src/uts/common/inet/tcp_cluster.h
@@ -0,0 +1,128 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_INET_TCP_CLUSTER_H
+#define	_INET_TCP_CLUSTER_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#ifdef _KERNEL
+
+/*
+ * Cluster hooks defined in tcp_cluster.c.
+ */
+extern void (*cl_inet_listen)(netstackid_t, uint8_t, sa_family_t, uint8_t *,
+    in_port_t, void *);
+extern void (*cl_inet_unlisten)(netstackid_t, uint8_t, sa_family_t, uint8_t *,
+    in_port_t, void *);
+extern int (*cl_inet_connect2)(netstackid_t, uint8_t, boolean_t, sa_family_t,
+    uint8_t *, in_port_t, uint8_t *, in_port_t, void *);
+extern void (*cl_inet_disconnect)(netstackid_t, uint8_t, sa_family_t,
+    uint8_t *, in_port_t, uint8_t *, in_port_t, void *);
+
+
+/*
+ * Cluster networking hook for traversing current connection list.
+ * This routine is used to extract the current list of live connections
+ * which must continue to to be dispatched to this node.
+ */
+extern int cl_tcp_walk_list(netstackid_t,
+    int (*callback)(cl_tcp_info_t *, void *), void *);
+
+/*
+ * int CL_INET_CONNECT(conn_t *cp, tcp_t *tcp, boolean_t is_outgoing, int err)
+ */
+#define	CL_INET_CONNECT(connp, is_outgoing, err) {		\
+	(err) = 0;						\
+	if (cl_inet_connect2 != NULL) {				\
+		/*						\
+		 * Running in cluster mode - register active connection	\
+		 * information						\
+		 */							\
+		if ((connp)->conn_ipversion == IPV4_VERSION) {		\
+			if ((connp)->conn_laddr_v4 != 0) {		\
+				(err) = (*cl_inet_connect2)(		\
+				    (connp)->conn_netstack->netstack_stackid,\
+				    IPPROTO_TCP, is_outgoing, AF_INET,	\
+				    (uint8_t *)(&((connp)->conn_laddr_v4)),\
+				    (in_port_t)(connp)->conn_lport,	\
+				    (uint8_t *)(&((connp)->conn_faddr_v4)),\
+				    (in_port_t)(connp)->conn_fport, NULL); \
+			}						\
+		} else {						\
+			if (!IN6_IS_ADDR_UNSPECIFIED(			\
+			    &(connp)->conn_laddr_v6)) {			\
+				(err) = (*cl_inet_connect2)(		\
+				    (connp)->conn_netstack->netstack_stackid,\
+				    IPPROTO_TCP, is_outgoing, AF_INET6,	\
+				    (uint8_t *)(&((connp)->conn_laddr_v6)),\
+				    (in_port_t)(connp)->conn_lport,	\
+				    (uint8_t *)(&((connp)->conn_faddr_v6)), \
+				    (in_port_t)(connp)->conn_fport, NULL); \
+			}						\
+		}							\
+	}								\
+}
+
+#define	CL_INET_DISCONNECT(connp)	{				\
+	if (cl_inet_disconnect != NULL) {				\
+		/*							\
+		 * Running in cluster mode - deregister active		\
+		 * connection information				\
+		 */							\
+		if ((connp)->conn_ipversion == IPV4_VERSION) {		\
+			if ((connp)->conn_laddr_v4 != 0) {		\
+				(*cl_inet_disconnect)(			\
+				    (connp)->conn_netstack->netstack_stackid,\
+				    IPPROTO_TCP, AF_INET,		\
+				    (uint8_t *)(&((connp)->conn_laddr_v4)),\
+				    (in_port_t)(connp)->conn_lport,	\
+				    (uint8_t *)(&((connp)->conn_faddr_v4)),\
+				    (in_port_t)(connp)->conn_fport, NULL); \
+			}						\
+		} else {						\
+			if (!IN6_IS_ADDR_UNSPECIFIED(			\
+			    &(connp)->conn_laddr_v6)) {			\
+				(*cl_inet_disconnect)(			\
+				    (connp)->conn_netstack->netstack_stackid,\
+				    IPPROTO_TCP, AF_INET6,		\
+				    (uint8_t *)(&((connp)->conn_laddr_v6)),\
+				    (in_port_t)(connp)->conn_lport,	\
+				    (uint8_t *)(&((connp)->conn_faddr_v6)), \
+				    (in_port_t)(connp)->conn_fport, NULL); \
+			}						\
+		}							\
+	}								\
+}
+
+#endif	/* _KERNEL */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _INET_TCP_CLUSTER_H */