+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
#define DEBUG_PORTAL_ALLOC
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#ifndef __LINUX_SOCKNAL_LIB_H__
#define __LINUX_SOCKNAL_LIB_H__
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/errno.h>
-#include <linux/smp_lock.h>
#include <linux/unistd.h>
#include <net/sock.h>
#include <net/tcp.h>
#include <linux/uio.h>
-
-#include <asm/system.h>
+#include <linux/if.h>
+
#include <asm/uaccess.h>
#include <asm/irq.h>
-
+
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/kmod.h>
#include <linux/sysctl.h>
#include <asm/uaccess.h>
-#include <asm/segment.h>
#include <asm/div64.h>
+#include <linux/syscalls.h>
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
-# include <linux/syscalls.h>
-#endif
-
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <libcfs/linux/portals_compat25.h>
-#define SOCKNAL_TX_LOW_WATER(sk) (((sk)->sk_sndbuf*8)/10)
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,72))
-# define sk_allocation allocation
-# define sk_data_ready data_ready
-# define sk_write_space write_space
-# define sk_user_data user_data
-# define sk_prot prot
-# define sk_sndbuf sndbuf
-# define sk_socket socket
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
-# define sk_wmem_queued wmem_queued
-# define sk_err err
-#endif
-
-#define SOCKNAL_ARCH_EAGER_ACK 0
-#define SOCK_WMEM_QUEUED(so) ((so)->sk->sk_wmem_queued)
-#define SOCK_ERROR(so) ((so)->sk->sk_err)
-#define SOCK_TEST_NOSPACE(so) test_bit(SOCK_NOSPACE, &(so)->flags)
-
-#define KSN_SOCK2FILE(so) ((so)->file)
-#define KSN_CONN2FILE(conn) ((conn)->ksnc_sock->file)
-
-#ifndef CONFIG_SMP
-static inline
-int ksocknal_nsched(void)
+#include <linux/crc32.h>
+static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
{
- return 1;
-}
+#if 1
+ return crc32_le(crc, p, len);
#else
-#include <linux/lustre_version.h>
-# if !(defined(CONFIG_X86) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,21))) || defined(CONFIG_X86_64) || (LUSTRE_KERNEL_VERSION < 39) || ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && !defined(CONFIG_X86_HT))
-static inline int
-ksocknal_nsched(void)
-{
- return num_online_cpus();
-}
-
-static inline int
-ksocknal_sched2cpu(int i)
-{
- return i;
-}
-
-static inline int
-ksocknal_irqsched2cpu(int i)
-{
- return i;
-}
-# else
-static inline int
-ksocknal_nsched(void)
-{
- if (smp_num_siblings == 1)
- return (num_online_cpus());
-
- /* We need to know if this assumption is crap */
- LASSERT (smp_num_siblings == 2);
- return (num_online_cpus()/2);
+ while (len-- > 0)
+ crc = ((crc + 0x100) & ~0xff) | ((crc + *p++) & 0xff) ;
+ return crc;
+#endif
}
-static inline int
-ksocknal_sched2cpu(int i)
-{
- if (smp_num_siblings == 1)
- return i;
-
- return (i * 2);
-}
+#define SOCKNAL_WSPACE(sk) sk_stream_wspace(sk)
+#define SOCKNAL_MIN_WSPACE(sk) sk_stream_min_wspace(sk)
-static inline int
-ksocknal_irqsched2cpu(int i)
-{
- return (ksocknal_sched2cpu(i) + 1);
-}
-# endif
-#endif
+/* assume one thread for each connection type */
+#define SOCKNAL_NSCHEDS 3
+#define SOCKNAL_NSCHEDS_HIGH (SOCKNAL_NSCHEDS << 1)
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff