drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib-linux.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   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.
   9  *
  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).
  15  *
  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
  19  *
  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
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2012, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  */
  36
  37 #define DEBUG_PORTAL_ALLOC
  38
  39 #ifndef __LINUX_SOCKNAL_LIB_H__
  40 #define __LINUX_SOCKNAL_LIB_H__
  41
  42 #include <linux/module.h>
  43 #include <linux/kernel.h>
  44 #include <linux/mm.h>
  45 #include <linux/string.h>
  46 #include <linux/stat.h>
  47 #include <linux/errno.h>
  48 #include <linux/unistd.h>
  49 #include <net/sock.h>
  50 #include <net/tcp.h>
  51 #include <linux/uio.h>
  52 #include <linux/if.h>
  53 #include <linux/uaccess.h>
  54
  55 #include <asm/irq.h>
  56
  57 #include <linux/fs.h>
  58 #include <linux/file.h>
  59 #include <linux/list.h>
  60 #include <linux/kmod.h>
  61 #include <linux/sysctl.h>
  62 #include <asm/div64.h>
  63 #include <linux/syscalls.h>
  64
  65 #include "../../../include/linux/libcfs/libcfs.h"
  66
  67 #include <linux/crc32.h>
  68 static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
  69 {
  70 #if 1
  71         return crc32_le(crc, p, len);
  72 #else
  73         while (len-- > 0)
  74                 crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff) ;
  75         return crc;
  76 #endif
  77 }
  78
  79 #define SOCKNAL_WSPACE(sk)       sk_stream_wspace(sk)
  80 #define SOCKNAL_MIN_WSPACE(sk)   sk_stream_min_wspace(sk)
  81
  82 /* assume one thread for each connection type */
  83 #define SOCKNAL_NSCHEDS         3
  84 #define SOCKNAL_NSCHEDS_HIGH    (SOCKNAL_NSCHEDS << 1)
  85
  86 #endif