- merge 0.7rc1 from b_devel to HEAD (20030612 merge point)

[fs/lustre-release.git] / lnet / router / router.h

diff --git a/lnet/router/router.h b/lnet/router/router.h
new file mode 100644 (file)
index 0000000..b8c3bec
--- /dev/null
+++ b/lnet/router/router.h
@@ -0,0 +1,81 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2002 Cluster File Systems, Inc.
+ *
+ *   This file is part of Portals
+ *   http://sourceforge.net/projects/sandiaportals/
+ *
+ *   Portals is free software; you can redistribute it and/or
+ *   modify it under the terms of version 2 of the GNU General Public
+ *   License as published by the Free Software Foundation.
+ *
+ *   Portals is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Portals; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _KPTLROUTER_H
+#define _KPTLROUTER_H
+#define EXPORT_SYMTAB
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+
+#define DEBUG_SUBSYSTEM S_PTLROUTER
+
+#include <linux/kp30.h>
+#include <portals/p30.h>
+#include <portals/lib-p30.h>
+
+typedef struct
+{
+       struct list_head        kpne_list;
+       kpr_nal_interface_t     kpne_interface;
+       atomic_t                kpne_refcount;
+       int                     kpne_shutdown;
+} kpr_nal_entry_t;
+
+typedef struct
+{
+       struct list_head        kpre_list;
+       int                     kpre_gateway_nalid;
+       ptl_nid_t               kpre_gateway_nid;
+       ptl_nid_t               kpre_lo_nid;
+        ptl_nid_t               kpre_hi_nid;
+} kpr_route_entry_t;
+
+extern int kpr_register_nal (kpr_nal_interface_t *nalif, void **argp);
+extern int kpr_lookup_target (void *arg, ptl_nid_t target_nid, ptl_nid_t *gateway_nidp);
+extern void kpr_forward_packet (void *arg, kpr_fwd_desc_t *fwd);
+extern void kpr_complete_packet (void *arg, kpr_fwd_desc_t *fwd, int error);
+extern void kpr_shutdown_nal (void *arg);
+extern void kpr_deregister_nal (void *arg);
+
+extern void kpr_proc_init (void);
+extern void kpr_proc_fini (void);
+
+extern int kpr_add_route (int gateway_nal, ptl_nid_t gateway_nid, 
+                          ptl_nid_t lo_nid, ptl_nid_t hi_nid);
+extern int kpr_del_route (ptl_nid_t nid);
+extern int kpr_get_route (int idx, int *gateway_nal, ptl_nid_t *gateway_nid, 
+                          ptl_nid_t *lo_nid, ptl_nid_t *hi_nid);
+
+extern unsigned long long kpr_fwd_bytes;
+extern unsigned long      kpr_fwd_packets;
+extern unsigned long      kpr_fwd_errors;
+extern atomic_t           kpr_queue_depth;
+
+#endif /* _KPLROUTER_H */