svn commit: r201805 - user/luigi/ipfw3-head/sys/netinet/ipfw

[Luigi Rizzo]

Author: luigi
Date: Fri Jan  8 16:58:37 2010
New Revision: 201805
URL: http://svn.freebsd.org/changeset/base/201805

Log:
  add missing file

Added:
  user/luigi/ipfw3-head/sys/netinet/ipfw/ip_dn_private.h   (contents, props changed)

Added: user/luigi/ipfw3-head/sys/netinet/ipfw/ip_dn_private.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/luigi/ipfw3-head/sys/netinet/ipfw/ip_dn_private.h	Fri Jan  8 16:58:37 2010	(r201805)
@@ -0,0 +1,127 @@
+/*-
+ * Copyright (c) 2010 Luigi Rizzo, Riccardo Panicucci, Universita` di Pisa
+ * All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _IP_DN_PRIVATE_H
+#define _IP_DN_PRIVATE_H
+
+/*
+ * internal dummynet APIs.
+ */
+#define div64(a, b)     ((int64_t)(a) / (int64_t)(b))
+
+MALLOC_DECLARE(M_DUMMYNET);
+
+extern struct mtx dummynet_mtx;
+#define DUMMYNET_LOCK_INIT() \
+        mtx_init(&dummynet_mtx, "dummynet", NULL, MTX_DEF)
+#define DUMMYNET_LOCK_DESTROY() mtx_destroy(&dummynet_mtx)
+#define DUMMYNET_LOCK()         mtx_lock(&dummynet_mtx)
+#define DUMMYNET_UNLOCK()       mtx_unlock(&dummynet_mtx)
+#define DUMMYNET_LOCK_ASSERT()  mtx_assert(&dummynet_mtx, MA_OWNED)
+
+#define DN_S_LOCK(x)
+#define DN_S_UNLOCK(x)
+#define DN_S_LOCK_DESTROY(x)
+
+#define DN_HEAP_LOCK(x)
+#define DN_HEAP_UNLOCK(x)
+
+#define	DN_HASHSIZE	16
+#define HASH(num)       ((((num) >> 8) ^ ((num) >> 4) ^ (num)) & 0x0f)
+
+SLIST_HEAD(new_pipe_head, new_pipe);
+SLIST_HEAD(new_sch_head, new_sch);
+SLIST_HEAD(new_fs_head, new_fs);
+extern struct new_pipe_head      pipehash[DN_HASHSIZE];  /* all pipes */
+extern struct new_fs_head  flowsethash[DN_HASHSIZE]; /* all flowsets */
+extern struct new_sch_head    schedulerhash[DN_HASHSIZE];  /* all schedulers    */
+extern struct new_fs_head     flowsetunlinked;      /* all unlinked flowsets */
+
+
+/*
+ * global configuration parameters.
+ *
+ * When a configuration is modified from userland, 'id' is incremented
+ * so we can use the value to check for stale pointers.
+ */
+struct dn_parms {
+	uint32_t	id;		/* configuration version */
+	int	red_lookup_depth;
+	int	red_avg_pkt_size;
+	int	red_max_pkt_size;
+	int	hash_size;
+	long	pipe_byte_limit;
+	long	pipe_slot_limit;
+
+	int	io_fast;
+	struct timeval prev_t;
+};
+
+static inline void
+set_oid(struct dn_id *o, int type, int subtype, int len)
+{
+	o->type = type;
+	o->subtype = subtype;
+	o->len = len;
+};
+
+/*
+ * Delay line, contains all packets that will be send out at certain time.
+ * Every scheduler instance has a delay line
+ */
+struct delay_line {
+	struct dn_id oid;
+
+	/* Pointer to scheduler instance, NULL if the instance
+	 * has been deleted */
+	struct new_sch_inst *si;
+	struct mbuf *head, *tail; /* Packets queue */
+};
+
+/* These values are in the flag field of a flowset
+ * Some of them are used only by kernel (k)
+ */
+enum flowset_flag {
+    DN_FS_DELETE        = 0x0001, /* (k) */
+    DN_FS_REENQUEUE     = 0x0002, /* (k) */
+    DN_FS_HAVE_MASK     = 0x0004,
+    DN_FS_QSIZE_BYTES   = 0x0008,
+    DN_FS_NOERROR          = 0x0010, /* (k) do not report ENOBUFS on drops  */
+};
+
+extern struct dn_parms dn_cfg;
+
+struct new_pipe *ipdn_locate_pipe(int);
+struct new_fs *ipdn_locate_flowset(int);
+int     dummynet_io(struct mbuf **, int , struct ip_fw_args *);
+void dummynet_task(void *context, int pending);
+void dn_reschedule(void);
+int dn_fs_config(struct new_fs *);
+int delete_delay_line(struct delay_line *dline);
+int really_deletescheduler(struct new_sch *sch_t);
+
+
+#endif /* _IP_DN_PRIVATE_H */