4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
35 #define DEBUG_PORTAL_ALLOC
37 #ifndef __LINUX_SOCKNAL_LIB_H__
38 #define __LINUX_SOCKNAL_LIB_H__
40 #ifndef AUTOCONF_INCLUDED
41 #include <linux/config.h>
43 #include <linux/module.h>
44 #include <linux/kernel.h>
45 #include <linux/version.h>
47 #include <linux/string.h>
48 #include <linux/stat.h>
49 #include <linux/errno.h>
50 #include <linux/unistd.h>
53 #include <linux/uio.h>
56 #include <asm/system.h>
57 #include <asm/uaccess.h>
60 #include <linux/init.h>
62 #include <linux/file.h>
63 #include <linux/stat.h>
64 #include <linux/list.h>
65 #include <linux/kmod.h>
66 #include <linux/sysctl.h>
67 #include <asm/uaccess.h>
68 #include <asm/div64.h>
69 #include <linux/syscalls.h>
71 #include <libcfs/libcfs.h>
72 #include <libcfs/linux/portals_compat25.h>
74 #include <linux/crc32.h>
75 static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
78 return crc32_le(crc, p, len);
81 crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff) ;
86 #define SOCKNAL_WSPACE(sk) sk_stream_wspace(sk)
87 #define SOCKNAL_MIN_WSPACE(sk) sk_stream_min_wspace(sk)
89 /* assume one thread for each connection type */
90 #define SOCKNAL_NSCHEDS 3
91 #define SOCKNAL_NSCHEDS_HIGH (SOCKNAL_NSCHEDS << 1)