615 lines
15 KiB
C
615 lines
15 KiB
C
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/*
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* Linux-specific abstractions to gain some independence from linux kernel versions.
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* Pave over some 2.2 versus 2.4 versus 2.6 kernel differences.
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*
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* Copyright (C) 1999-2012, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: linuxver.h 315203 2012-02-16 00:58:00Z $
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*/
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#ifndef _linuxver_h_
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#define _linuxver_h_
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
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#include <linux/config.h>
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#else
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 33))
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#include <generated/autoconf.h>
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#else
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#include <linux/autoconf.h>
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#endif
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#endif
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#include <linux/module.h>
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 0))
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#ifdef __UNDEF_NO_VERSION__
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#undef __NO_VERSION__
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#else
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#define __NO_VERSION__
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#endif
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
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#define module_param(_name_, _type_, _perm_) MODULE_PARM(_name_, "i")
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#define module_param_string(_name_, _string_, _size_, _perm_) \
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MODULE_PARM(_string_, "c" __MODULE_STRING(_size_))
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 9))
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#include <linux/malloc.h>
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#else
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#include <linux/slab.h>
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#endif
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/pci.h>
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#include <linux/interrupt.h>
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#include <linux/netdevice.h>
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27))
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#include <linux/semaphore.h>
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#else
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#include <asm/semaphore.h>
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 28))
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#undef IP_TOS
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#endif
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#include <asm/io.h>
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 41))
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#include <linux/workqueue.h>
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#else
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#include <linux/tqueue.h>
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#ifndef work_struct
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#define work_struct tq_struct
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#endif
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#ifndef INIT_WORK
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#define INIT_WORK(_work, _func, _data) INIT_TQUEUE((_work), (_func), (_data))
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#endif
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#ifndef schedule_work
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#define schedule_work(_work) schedule_task((_work))
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#endif
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#ifndef flush_scheduled_work
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#define flush_scheduled_work() flush_scheduled_tasks()
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#endif
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
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#define DAEMONIZE(a) daemonize(a); \
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allow_signal(SIGKILL); \
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allow_signal(SIGTERM);
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#else /* Linux 2.4 (w/o preemption patch) */
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#define DAEMONIZE(a) daemonize(); \
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do { if (a) \
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strncpy(current->comm, a, MIN(sizeof(current->comm), (strlen(a)
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} while (0);
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#endif /* LINUX_VERSION_CODE */
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19)
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#define MY_INIT_WORK(_work, _func) INIT_WORK(_work, _func)
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#else
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#define MY_INIT_WORK(_work, _func) INIT_WORK(_work, _func, _work)
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#if !(LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 18) && defined(RHEL_MAJOR) && \
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(RHEL_MAJOR == 5))
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typedef void (*work_func_t)(void *work);
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#endif
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
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#ifndef IRQ_NONE
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typedef void irqreturn_t;
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#define IRQ_NONE
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#define IRQ_HANDLED
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#define IRQ_RETVAL(x)
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#endif
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#else
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typedef irqreturn_t(*FN_ISR) (int irq, void *dev_id, struct pt_regs *ptregs);
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
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#define IRQF_SHARED SA_SHIRQ
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 17)
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#ifdef CONFIG_NET_RADIO
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#define CONFIG_WIRELESS_EXT
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#endif
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 5, 67)
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#define MOD_INC_USE_COUNT
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#define MOD_DEC_USE_COUNT
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32)
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#include <linux/sched.h>
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
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#include <net/lib80211.h>
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
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#include <linux/ieee80211.h>
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#else
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
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#include <net/ieee80211.h>
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#endif
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#endif
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#ifndef __exit
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#define __exit
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#endif
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#ifndef __devexit
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#define __devexit
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#endif
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#ifndef __devinit
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#define __devinit __init
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#endif
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#ifndef __devinitdata
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#define __devinitdata
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#endif
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#ifndef __devexit_p
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#define __devexit_p(x) x
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 0))
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#define pci_get_drvdata(dev) (dev)->sysdata
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#define pci_set_drvdata(dev, value) (dev)->sysdata = (value)
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struct pci_device_id {
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unsigned int vendor, device;
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unsigned int subvendor, subdevice;
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unsigned int class, class_mask;
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unsigned long driver_data;
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};
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struct pci_driver {
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struct list_head node;
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char *name;
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const struct pci_device_id *id_table;
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int (*probe)(struct pci_dev *dev,
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const struct pci_device_id *id);
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void (*remove)(struct pci_dev *dev);
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void (*suspend)(struct pci_dev *dev);
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void (*resume)(struct pci_dev *dev);
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};
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#define MODULE_DEVICE_TABLE(type, name)
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#define PCI_ANY_ID (~0)
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#define pci_module_init pci_register_driver
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extern int pci_register_driver(struct pci_driver *drv);
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extern void pci_unregister_driver(struct pci_driver *drv);
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 18))
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#define pci_module_init pci_register_driver
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 2, 18))
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#ifdef MODULE
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#define module_init(x) int init_module(void) { return x(); }
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#define module_exit(x) void cleanup_module(void) { x(); }
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#else
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#define module_init(x) __initcall(x);
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#define module_exit(x) __exitcall(x);
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#endif
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)
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#define WL_USE_NETDEV_OPS
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#else
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#undef WL_USE_NETDEV_OPS
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#endif
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31)) && defined(CONFIG_RFKILL)
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#define WL_CONFIG_RFKILL
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#else
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#undef WL_CONFIG_RFKILL
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 48))
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#define list_for_each(pos, head) \
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for (pos = (head)->next; pos != (head); pos = pos->next)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 13))
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#define pci_resource_start(dev, bar) ((dev)->base_address[(bar)])
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#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 44))
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#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 23))
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#define pci_enable_device(dev) do { } while (0)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 14))
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#define net_device device
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 42))
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#ifndef PCI_DMA_TODEVICE
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#define PCI_DMA_TODEVICE 1
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#define PCI_DMA_FROMDEVICE 2
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#endif
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typedef u32 dma_addr_t;
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static inline int get_order(unsigned long size)
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{
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int order;
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size = (size-1) >> (PAGE_SHIFT-1);
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order = -1;
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do {
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size >>= 1;
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order++;
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} while (size);
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return order;
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}
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static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
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dma_addr_t *dma_handle)
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{
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void *ret;
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int gfp = GFP_ATOMIC | GFP_DMA;
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ret = (void *)__get_free_pages(gfp, get_order(size));
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if (ret != NULL) {
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memset(ret, 0, size);
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*dma_handle = virt_to_bus(ret);
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}
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return ret;
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}
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static inline void pci_free_consistent(struct pci_dev *hwdev, size_t size,
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void *vaddr, dma_addr_t dma_handle)
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{
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free_pages((unsigned long)vaddr, get_order(size));
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}
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#define pci_map_single(cookie, address, size, dir) virt_to_bus(address)
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#define pci_unmap_single(cookie, address, size, dir)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 3, 43))
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#define dev_kfree_skb_any(a) dev_kfree_skb(a)
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#define netif_down(dev) do { (dev)->start = 0; } while (0)
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#ifndef _COMPAT_NETDEVICE_H
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#define dev_kfree_skb_irq(a) dev_kfree_skb(a)
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#define netif_wake_queue(dev) \
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do { clear_bit(0, &(dev)->tbusy); mark_bh(NET_BH); } while (0)
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#define netif_stop_queue(dev) set_bit(0, &(dev)->tbusy)
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static inline void netif_start_queue(struct net_device *dev)
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{
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dev->tbusy = 0;
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dev->interrupt = 0;
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dev->start = 1;
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}
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#define netif_queue_stopped(dev) (dev)->tbusy
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#define netif_running(dev) (dev)->start
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#endif
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#define netif_device_attach(dev) netif_start_queue(dev)
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#define netif_device_detach(dev) netif_stop_queue(dev)
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#define tasklet_struct tq_struct
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static inline void tasklet_schedule(struct tasklet_struct *tasklet)
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{
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queue_task(tasklet, &tq_immediate);
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mark_bh(IMMEDIATE_BH);
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}
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static inline void tasklet_init(struct tasklet_struct *tasklet,
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void (*func)(unsigned long),
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unsigned long data)
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{
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tasklet->next = NULL;
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tasklet->sync = 0;
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tasklet->routine = (void (*)(void *))func;
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tasklet->data = (void *)data;
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}
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#define tasklet_kill(tasklet) { do {} while (0); }
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#define del_timer_sync(timer) del_timer(timer)
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#else
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#define netif_down(dev)
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#endif
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 3))
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#define PREPARE_TQUEUE(_tq, _routine, _data) \
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|
|
do { \
|
||
|
|
(_tq)->routine = _routine; \
|
||
|
|
(_tq)->data = _data; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
|
||
|
|
#define INIT_TQUEUE(_tq, _routine, _data) \
|
||
|
|
do { \
|
||
|
|
INIT_LIST_HEAD(&(_tq)->list); \
|
||
|
|
(_tq)->sync = 0; \
|
||
|
|
PREPARE_TQUEUE((_tq), (_routine), (_data)); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 9)
|
||
|
|
#define PCI_SAVE_STATE(a, b) pci_save_state(a)
|
||
|
|
#define PCI_RESTORE_STATE(a, b) pci_restore_state(a)
|
||
|
|
#else
|
||
|
|
#define PCI_SAVE_STATE(a, b) pci_save_state(a, b)
|
||
|
|
#define PCI_RESTORE_STATE(a, b) pci_restore_state(a, b)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 6))
|
||
|
|
static inline int
|
||
|
|
pci_save_state(struct pci_dev *dev, u32 *buffer)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
if (buffer) {
|
||
|
|
for (i = 0; i < 16; i++)
|
||
|
|
pci_read_config_dword(dev, i * 4, &buffer[i]);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int
|
||
|
|
pci_restore_state(struct pci_dev *dev, u32 *buffer)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (buffer) {
|
||
|
|
for (i = 0; i < 16; i++)
|
||
|
|
pci_write_config_dword(dev, i * 4, buffer[i]);
|
||
|
|
}
|
||
|
|
|
||
|
|
else {
|
||
|
|
for (i = 0; i < 6; i ++)
|
||
|
|
pci_write_config_dword(dev,
|
||
|
|
PCI_BASE_ADDRESS_0 + (i * 4),
|
||
|
|
pci_resource_start(dev, i));
|
||
|
|
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 19))
|
||
|
|
#define read_c0_count() read_32bit_cp0_register(CP0_COUNT)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24))
|
||
|
|
#ifndef SET_MODULE_OWNER
|
||
|
|
#define SET_MODULE_OWNER(dev) do {} while (0)
|
||
|
|
#define OLD_MOD_INC_USE_COUNT MOD_INC_USE_COUNT
|
||
|
|
#define OLD_MOD_DEC_USE_COUNT MOD_DEC_USE_COUNT
|
||
|
|
#else
|
||
|
|
#define OLD_MOD_INC_USE_COUNT do {} while (0)
|
||
|
|
#define OLD_MOD_DEC_USE_COUNT do {} while (0)
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#ifndef SET_MODULE_OWNER
|
||
|
|
#define SET_MODULE_OWNER(dev) do {} while (0)
|
||
|
|
#endif
|
||
|
|
#ifndef MOD_INC_USE_COUNT
|
||
|
|
#define MOD_INC_USE_COUNT do {} while (0)
|
||
|
|
#endif
|
||
|
|
#ifndef MOD_DEC_USE_COUNT
|
||
|
|
#define MOD_DEC_USE_COUNT do {} while (0)
|
||
|
|
#endif
|
||
|
|
#define OLD_MOD_INC_USE_COUNT MOD_INC_USE_COUNT
|
||
|
|
#define OLD_MOD_DEC_USE_COUNT MOD_DEC_USE_COUNT
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef SET_NETDEV_DEV
|
||
|
|
#define SET_NETDEV_DEV(net, pdev) do {} while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef HAVE_FREE_NETDEV
|
||
|
|
#define free_netdev(dev) kfree(dev)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
|
||
|
|
|
||
|
|
#define af_packet_priv data
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 11)
|
||
|
|
#define DRV_SUSPEND_STATE_TYPE pm_message_t
|
||
|
|
#else
|
||
|
|
#define DRV_SUSPEND_STATE_TYPE uint32
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19)
|
||
|
|
#define CHECKSUM_HW CHECKSUM_PARTIAL
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
void *parent;
|
||
|
|
struct task_struct *p_task;
|
||
|
|
long thr_pid;
|
||
|
|
int prio;
|
||
|
|
struct semaphore sema;
|
||
|
|
int terminated;
|
||
|
|
struct completion completed;
|
||
|
|
} tsk_ctl_t;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef DHD_DEBUG
|
||
|
|
#define DBG_THR(x) printk x
|
||
|
|
#else
|
||
|
|
#define DBG_THR(x)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
|
||
|
|
#define SMP_RD_BARRIER_DEPENDS(x) smp_read_barrier_depends(x)
|
||
|
|
#else
|
||
|
|
#define SMP_RD_BARRIER_DEPENDS(x) smp_rmb(x)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define PROC_START(thread_func, owner, tsk_ctl, flags) \
|
||
|
|
{ \
|
||
|
|
sema_init(&((tsk_ctl)->sema), 0); \
|
||
|
|
init_completion(&((tsk_ctl)->completed)); \
|
||
|
|
(tsk_ctl)->parent = owner; \
|
||
|
|
(tsk_ctl)->terminated = FALSE; \
|
||
|
|
(tsk_ctl)->thr_pid = kernel_thread(thread_func, tsk_ctl, flags); \
|
||
|
|
if ((tsk_ctl)->thr_pid > 0) \
|
||
|
|
wait_for_completion(&((tsk_ctl)->completed)); \
|
||
|
|
DBG_THR(("%s thr:%lx started\n", __FUNCTION__, (tsk_ctl)->thr_pid)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define PROC_STOP(tsk_ctl) \
|
||
|
|
{ \
|
||
|
|
(tsk_ctl)->terminated = TRUE; \
|
||
|
|
smp_wmb(); \
|
||
|
|
up(&((tsk_ctl)->sema)); \
|
||
|
|
wait_for_completion(&((tsk_ctl)->completed)); \
|
||
|
|
DBG_THR(("%s thr:%lx terminated OK\n", __FUNCTION__, (tsk_ctl)->thr_pid)); \
|
||
|
|
(tsk_ctl)->thr_pid = -1; \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31))
|
||
|
|
#define KILL_PROC(nr, sig) \
|
||
|
|
{ \
|
||
|
|
struct task_struct *tsk; \
|
||
|
|
struct pid *pid; \
|
||
|
|
pid = find_get_pid((pid_t)nr); \
|
||
|
|
tsk = pid_task(pid, PIDTYPE_PID); \
|
||
|
|
if (tsk) send_sig(sig, tsk, 1); \
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) && (LINUX_VERSION_CODE <= \
|
||
|
|
KERNEL_VERSION(2, 6, 30))
|
||
|
|
#define KILL_PROC(pid, sig) \
|
||
|
|
{ \
|
||
|
|
struct task_struct *tsk; \
|
||
|
|
tsk = find_task_by_vpid(pid); \
|
||
|
|
if (tsk) send_sig(sig, tsk, 1); \
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
#define KILL_PROC(pid, sig) \
|
||
|
|
{ \
|
||
|
|
kill_proc(pid, sig, 1); \
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
|
||
|
|
#include <linux/time.h>
|
||
|
|
#include <linux/wait.h>
|
||
|
|
#else
|
||
|
|
#include <linux/sched.h>
|
||
|
|
|
||
|
|
#define __wait_event_interruptible_timeout(wq, condition, ret) \
|
||
|
|
do { \
|
||
|
|
wait_queue_t __wait; \
|
||
|
|
init_waitqueue_entry(&__wait, current); \
|
||
|
|
\
|
||
|
|
add_wait_queue(&wq, &__wait); \
|
||
|
|
for (;;) { \
|
||
|
|
set_current_state(TASK_INTERRUPTIBLE); \
|
||
|
|
if (condition) \
|
||
|
|
break; \
|
||
|
|
if (!signal_pending(current)) { \
|
||
|
|
ret = schedule_timeout(ret); \
|
||
|
|
if (!ret) \
|
||
|
|
break; \
|
||
|
|
continue; \
|
||
|
|
} \
|
||
|
|
ret = -ERESTARTSYS; \
|
||
|
|
break; \
|
||
|
|
} \
|
||
|
|
current->state = TASK_RUNNING; \
|
||
|
|
remove_wait_queue(&wq, &__wait); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define wait_event_interruptible_timeout(wq, condition, timeout) \
|
||
|
|
({ \
|
||
|
|
long __ret = timeout; \
|
||
|
|
if (!(condition)) \
|
||
|
|
__wait_event_interruptible_timeout(wq, condition, __ret); \
|
||
|
|
__ret; \
|
||
|
|
})
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24))
|
||
|
|
#define DEV_PRIV(dev) (dev->priv)
|
||
|
|
#else
|
||
|
|
#define DEV_PRIV(dev) netdev_priv(dev)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20)
|
||
|
|
#define WL_ISR(i, d, p) wl_isr((i), (d))
|
||
|
|
#else
|
||
|
|
#define WL_ISR(i, d, p) wl_isr((i), (d), (p))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 0))
|
||
|
|
#define netdev_priv(dev) dev->priv
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|