mirror of https://github.com/proski/madwifi
644 lines
21 KiB
C
644 lines
21 KiB
C
/*-
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* Copyright (c) 2003-2005 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _NET80211_IEEE80211_LINUX_H_
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#define _NET80211_IEEE80211_LINUX_H_
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#include <linux/wireless.h>
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#include <linux/fs.h>
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/*
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* Compatibility definition of statistics flags
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* (bitmask in (struct iw_quality *)->updated)
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*/
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#ifndef IW_QUAL_QUAL_UPDATED
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#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */
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#define IW_QUAL_LEVEL_UPDATED 0x02
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#define IW_QUAL_NOISE_UPDATED 0x04
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#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */
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#define IW_QUAL_LEVEL_INVALID 0x20
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#define IW_QUAL_NOISE_INVALID 0x40
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#endif /* IW_QUAL_QUAL_UPDATED */
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#ifndef IW_QUAL_ALL_UPDATED
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#define IW_QUAL_ALL_UPDATED \
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(IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED)
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#endif
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#ifndef IW_QUAL_ALL_INVALID
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#define IW_QUAL_ALL_INVALID \
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(IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID | IW_QUAL_NOISE_INVALID)
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#endif
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/*
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* The RSSI values reported in the TX/RX descriptors in the driver are the SNR
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* expressed in dBm. Thus 'rssi' is signal level above the noise floor in dBm.
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*
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* Noise is measured in dBm and is negative unless there is an unimaginable
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* level of RF noise.
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*
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* The signal level is noise + rssi.
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*
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* Note that the iw_quality values are 1 byte, and can be signed, unsigned or
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* negative depending on context.
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*
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*/
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static __inline void
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set_quality(struct iw_quality *iq, u_int rssi, int noise)
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{
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iq->qual = rssi;
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iq->noise = noise;
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iq->level = ((((int)rssi + noise) <= 0) ? ((int)rssi + noise) : 0);
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iq->updated = IW_QUAL_ALL_UPDATED;
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#if WIRELESS_EXT >= 19
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iq->updated |= IW_QUAL_DBM;
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#endif
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}
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/*
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* Task deferral
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*
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* Deduce if tasklets are available. If not then
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* fall back to using the immediate work queue.
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*/
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#include <linux/interrupt.h>
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#ifdef DECLARE_TASKLET /* native tasklets */
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#define IEEE80211_TQ_STRUCT tasklet_struct
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#define IEEE80211_INIT_TQUEUE(a,b,c) tasklet_init((a), (b), (unsigned long)(c))
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#define IEEE80211_SCHEDULE_TQUEUE(a) tasklet_schedule((a))
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#define IEEE80211_CANCEL_TQUEUE(a) if (!in_interrupt()) tasklet_kill((a))
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typedef unsigned long IEEE80211_TQUEUE_ARG;
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#define mark_bh(a) do {} while (0)
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#else /* immediate work queue */
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#define IEEE80211_TQ_STRUCT tq_struct
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#define IEEE80211_INIT_TQUEUE(a,b,c) INIT_TQUEUE(a,b,c)
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#define IEEE80211_SCHEDULE_TQUEUE(a) do { \
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int __macro_needmark; \
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__macro_needmark |= queue_task((a), &tq_immediate); \
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if (__macro_needmark) \
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mark_bh(IMMEDIATE_BH); \
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} while (0)
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typedef void *IEEE80211_TQUEUE_ARG;
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#define tasklet_disable(t) do { (void) t; local_bh_disable(); } while (0)
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#define tasklet_enable(t) do { (void) t; local_bh_enable(); } while (0)
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/* XXX: not supporting cancel in old kernels! */
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#define IEEE80211_CANCEL_TQUEUE(a) ((a), 0)
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#endif /* !DECLARE_TASKLET */
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#define IEEE80211_RESCHEDULE schedule
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/* Locking */
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/* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
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* because spinlocks do not exist in this configuration. Instead IRQs
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* or pre-emption are simply disabled, as this is all that is needed.
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*/
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/*
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* Beacon handler locking definitions.
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* Beacon locking
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* UAPSD locking
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*/
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typedef spinlock_t ieee80211com_lock_t;
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#define IEEE80211_LOCK_INIT(_ic, _name) \
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spin_lock_init(&(_ic)->ic_comlock)
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#define IEEE80211_LOCK_DESTROY(_ic)
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#define IEEE80211_LOCK_IRQ(_ic) do { \
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unsigned long __ilockflags; \
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IEEE80211_LOCK_CHECK(_ic); \
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spin_lock_irqsave(&(_ic)->ic_comlock, __ilockflags);
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#define IEEE80211_UNLOCK_IRQ(_ic) \
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IEEE80211_LOCK_ASSERT(_ic); \
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spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags); \
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} while (0)
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#define IEEE80211_UNLOCK_IRQ_EARLY(_ic) \
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IEEE80211_LOCK_ASSERT(_ic); \
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spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_LOCK_ASSERT(_ic) \
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KASSERT(spin_is_locked(&(_ic)->ic_comlock), ("ieee80211com not locked!"))
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#if (defined(ATH_DEBUG_SPINLOCKS))
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#define IEEE80211_LOCK_CHECK(_ic) do { \
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if (spin_is_locked(&(_ic)->ic_comlock)) \
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printk("%s:%d - about to block on ieee80211com lock!\n", __func__, __LINE__); \
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} while (0)
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#else /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#define IEEE80211_LOCK_CHECK(_ic)
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#endif
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#else
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#define IEEE80211_LOCK_ASSERT(_ic)
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#define IEEE80211_LOCK_CHECK(_ic)
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#endif
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#define IEEE80211_VAPS_LOCK_INIT(_ic, _name) \
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spin_lock_init(&(_ic)->ic_vapslock)
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#define IEEE80211_VAPS_LOCK_DESTROY(_ic)
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#define IEEE80211_VAPS_LOCK_BH(_ic) do { \
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IEEE80211_VAPS_LOCK_CHECK(_ic); \
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spin_lock_bh(&(_ic)->ic_vapslock);
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#define IEEE80211_VAPS_UNLOCK_BH(_ic) \
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IEEE80211_VAPS_LOCK_ASSERT(_ic); \
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spin_unlock_bh(&(_ic)->ic_vapslock); \
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} while (0)
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
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KASSERT(spin_is_locked(&(_ic)->ic_vapslock), \
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("ieee80211com_vaps not locked!"))
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#if (defined(ATH_DEBUG_SPINLOCKS))
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#define IEEE80211_VAPS_LOCK_CHECK(_ic) do { \
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if (spin_is_locked(&(_ic)->ic_vapslock)) \
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printk("%s:%d - about to block on ieee80211com_vaps lock!\n", __func__, __LINE__); \
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} while (0)
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#else /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#define IEEE80211_VAPS_LOCK_CHECK(_ic)
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#endif /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#else
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#define IEEE80211_VAPS_LOCK_ASSERT(_ic)
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#define IEEE80211_VAPS_LOCK_CHECK(_ic)
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#endif
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/*
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* Node locking definitions.
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*/
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#if 0
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typedef spinlock_t ieee80211_node_lock_t;
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#define IEEE80211_NODE_LOCK_INIT(_ni, _name) spin_lock_init(&(_ni)->ni_nodelock)
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#define IEEE80211_NODE_LOCK_DESTROY(_ni)
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#define IEEE80211_NODE_LOCK_IRQ(_ni) do { \
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unsigned long __node_lockflags; \
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IEEE80211_NODE_LOCK_CHECK(_ni); \
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spin_lock_irqsave(&(_ni)->ni_nodelock, __node_lockflags);
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#define IEEE80211_NODE_UNLOCK_IRQ(_ni) \
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IEEE80211_NODE_LOCK_ASSERT(_ni); \
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spin_unlock_irqrestore(&(_ni)->ni_nodelock, __node_lockflags); \
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} while (0)
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#define IEEE80211_NODE_LOCK_IRQ_INSIDE(_tq) do { \
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IEEE80211_NODE_LOCK_CHECK(_ni); \
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spin_lock(&(_ni)->ni_nodelock);
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} while (0)
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#define IEEE80211_NODE_UNLOCK_IRQ_INSIDE(_tq) do { \
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IEEE80211_NODE_LOCK_ASSERT(_ni); \
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spin_unlock(&(_ni)->ni_nodelock); \
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}while (0)
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#define IEEE80211_NODE_UNLOCK_IRQ_EARLY(_ni) \
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IEEE80211_NODE_LOCK_ASSERT(_ni); \
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spin_unlock_irqrestore(&(_ni)->ni_nodelock, __node_lockflags);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_NODE_LOCK_ASSERT(_ni) \
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KASSERT(spin_is_locked(&(_ni)->ni_nodelock), \
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("802.11 node not locked!"))
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#if (defined(ATH_DEBUG_SPINLOCKS))
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#define IEEE80211_NODE_LOCK_CHECK(_ni) do { \
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if (spin_is_locked(&(_ni)->ni_nodelock)) \
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printk("%s:%d - about to block on node lock!\n", __func__, __LINE__); \
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} while (0)
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#else /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#define IEEE80211_NODE_LOCK_CHECK(_ni)
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#endif /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#else
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#define IEEE80211_NODE_LOCK_ASSERT(_ni)
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#define IEEE80211_NODE_LOCK_CHECK(_ni)
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#endif
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#endif /* node lock */
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/*
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* Node table locking definitions.
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*/
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typedef spinlock_t ieee80211_node_table_lock_t;
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#define IEEE80211_NODE_TABLE_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_nodelock)
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#define IEEE80211_NODE_TABLE_LOCK_DESTROY(_nt)
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#if 0 /* We should always be contesting in the same contexts */
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#define IEEE80211_NODE_TABLE_LOCK(_nt) spin_lock(&(_nt)->nt_nodelock)
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#define IEEE80211_NODE_TABLE_UNLOCK(_nt) spin_unlock(&(_nt)->nt_nodelock)
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#define IEEE80211_NODE_TABLE_LOCK_BH(_nt) spin_lock_bh(&(_nt)->nt_nodelock)
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#define IEEE80211_NODE_TABLE_UNLOCK_BH(_nt) spin_unlock_bh(&(_nt)->nt_nodelock)
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#endif
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#define IEEE80211_NODE_TABLE_LOCK_IRQ(_nt) do { \
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unsigned long __node_lockflags; \
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spin_lock_irqsave(&(_nt)->nt_nodelock, __node_lockflags);
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#define IEEE80211_NODE_TABLE_UNLOCK_IRQ(_nt) \
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spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags); \
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} while (0)
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#define IEEE80211_NODE_TABLE_UNLOCK_IRQ_EARLY(_nt) \
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spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_NODE_TABLE_LOCK_ASSERT(_nt) \
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KASSERT(spin_is_locked(&(_nt)->nt_nodelock), \
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("802.11 node table not locked!"))
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#else
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#define IEEE80211_NODE_TABLE_LOCK_ASSERT(_nt)
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#endif
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/*
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* Node table scangen locking definitions.
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*/
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typedef spinlock_t ieee80211_scan_lock_t;
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#define IEEE80211_SCAN_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_scanlock)
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#define IEEE80211_SCAN_LOCK_DESTROY(_nt)
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#define IEEE80211_SCAN_LOCK_IRQ(_nt) do { \
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unsigned long __scan_lockflags; \
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spin_lock_irqsave(&(_nt)->nt_scanlock, __scan_lockflags);
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#define IEEE80211_SCAN_UNLOCK_IRQ(_nt) \
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spin_unlock_irqrestore(&(_nt)->nt_scanlock, __scan_lockflags); \
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} while (0)
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#define IEEE80211_SCAN_UNLOCK_IRQ_EARLY(_nt) \
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spin_unlock_irqrestore(&(_nt)->nt_scanlock, __scan_lockflags);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_SCAN_LOCK_ASSERT(_nt) \
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KASSERT(spin_is_locked(&(_nt)->nt_scanlock), ("scangen not locked!"))
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#else
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#define IEEE80211_SCAN_LOCK_ASSERT(_nt)
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#endif
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/*
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* 802.1x MAC ACL database locking definitions.
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*/
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typedef spinlock_t acl_lock_t;
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#define ACL_LOCK_INIT(_as, _name) spin_lock_init(&(_as)->as_lock)
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#define ACL_LOCK_DESTROY(_as)
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#define ACL_LOCK(_as) do { \
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ACL_LOCK_CHECK(_as); \
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spin_lock(&(_as)->as_lock);
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#define ACL_UNLOCK(_as) \
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ACL_LOCK_ASSERT(_as); \
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spin_unlock(&(_as)->as_lock); \
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} while (0)
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#define ACL_UNLOCK_EARLY(_as) \
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ACL_LOCK_ASSERT(_as); \
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spin_unlock(&(_as)->as_lock);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define ACL_LOCK_ASSERT(_as) \
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KASSERT(spin_is_locked(&(_as)->as_lock), ("ACL not locked!"))
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#if (defined(ATH_DEBUG_SPINLOCKS))
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#define ACL_LOCK_CHECK(_as) do { \
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if (spin_is_locked(&(_as)->as_lock)) \
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printk("%s:%d - about to block on ACL lock!\n", __func__, __LINE__); \
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} while (0)
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#else /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#define ACL_LOCK_CHECK(_as)
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#endif /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#else
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#define ACL_LOCK_ASSERT(_as)
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#define ACL_LOCK_CHECK(_as)
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#endif
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/*
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* Per-node power-save queue definitions. Beware of control
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* flow with IEEE80211_NODE_SAVEQ_LOCK/IEEE80211_NODE_SAVEQ_UNLOCK.
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*/
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#define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \
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skb_queue_head_init(&(_ni)->ni_savedq); \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_DESTROY(_ni)
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#define IEEE80211_NODE_SAVEQ_QLEN(_ni) skb_queue_len(&(_ni)->ni_savedq)
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#define IEEE80211_NODE_SAVEQ_LOCK_IRQ(_ni) do { \
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unsigned long __qlockflags; \
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IEEE80211_NODE_SAVEQ_LOCK_CHECK(_ni); \
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spin_lock_irqsave(&(_ni)->ni_savedq.lock, __qlockflags);
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#define IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(_ni) \
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IEEE80211_NODE_SAVEQ_LOCK_ASSERT(_ni); \
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spin_unlock_irqrestore(&(_ni)->ni_savedq.lock, __qlockflags); \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_LOCK_IRQ_INSIDE(_ni) do { \
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IEEE80211_NODE_SAVEQ_LOCK_CHECK(_ni); \
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spin_lock(&(_ni)->ni_savedq.lock); \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_UNLOCK_IRQ_INSIDE(_ni) do { \
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IEEE80211_NODE_SAVEQ_LOCK_ASSERT(_ni); \
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spin_unlock(&(_ni)->ni_savedq.lock); \
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} while (0)
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#define IEEE80211_NODE_SAVEQ_UNLOCK_IRQ_EARLY(_ni) \
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IEEE80211_NODE_SAVEQ_LOCK_ASSERT(_ni); \
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spin_unlock_irqrestore(&(_ni)->ni_savedq.lock, __qlockflags);
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_NODE_SAVEQ_LOCK_ASSERT(_ni) \
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KASSERT(spin_is_locked(&(_ni)->ni_savedq.lock), \
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("node saveq not locked!"))
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#if (defined(ATH_DEBUG_SPINLOCKS))
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#define IEEE80211_NODE_SAVEQ_LOCK_CHECK(_ni) do { \
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if (spin_is_locked(&(_ni)->ni_savedq.lock)) \
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printk("%s:%d - about to block on node saveq lock!\n", __func__, __LINE__); \
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} while (0)
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#else /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#define IEEE80211_NODE_SAVEQ_LOCK_CHECK(_ni)
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#endif /* #if (defined(ATH_DEBUG_SPINLOCKS)) */
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#else
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#define IEEE80211_NODE_SAVEQ_LOCK_ASSERT(_ni)
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#define IEEE80211_NODE_SAVEQ_LOCK_CHECK(_ni)
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#endif
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/* caller MUST lock IEEE80211_NODE_SAVEQ */
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#define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _skb, _qlen) do { \
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_skb = __skb_dequeue(&(_ni)->ni_savedq); \
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(_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
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} while (0)
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#define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _skb, _qlen, _age) do { \
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struct sk_buff *tail = skb_peek_tail(&(_ni)->ni_savedq); \
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if (tail != NULL) { \
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_age -= M_AGE_GET(tail); \
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__skb_queue_after(&(_ni)->ni_savedq, tail, _skb); \
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} else { \
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__skb_queue_head(&(_ni)->ni_savedq, _skb); \
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} \
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M_AGE_SET(_skb, _age); \
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(_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
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} while (0)
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/*
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* Transmitted frames have the following information
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* held in the sk_buff control buffer. This is used to
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* communicate various inter-procedural state that needs
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* to be associated with the frame for the duration of
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* its existence.
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*
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* NB: sizeof(cb) == 48 and the vlan code grabs the first
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* 8 bytes so we reserve/avoid it.
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*/
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struct ieee80211_phy_params {
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u_int8_t rate[4];
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u_int8_t try[4];
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u_int8_t power;
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u_int32_t flags;
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};
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struct ieee80211_cb {
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u_int8_t __reserved_vlan[8]; /* reserve for vlan tag info */
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struct ieee80211_phy_params phy;
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struct ieee80211_node *ni;
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u_int32_t flags;
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#define M_LINK0 0x01 /* frame needs WEP encryption */
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#define M_FF 0x02 /* fast frame */
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#define M_PWR_SAV 0x04 /* bypass power save handling */
|
|
#define M_UAPSD 0x08 /* frame flagged for u-apsd handling */
|
|
#define M_RAW 0x10
|
|
#ifdef IEEE80211_DEBUG_REFCNT
|
|
#define M_SKB_TRACKED 0x20
|
|
void (*next_destructor)(struct sk_buff *skb);
|
|
#endif
|
|
};
|
|
|
|
struct __assert {
|
|
int __ieee80211_cb_size[sizeof(struct ieee80211_cb) <= 48 ? 0 : -1];
|
|
};
|
|
|
|
struct ieee80211com;
|
|
struct ieee80211vap;
|
|
|
|
int ieee80211_load_module(const char *);
|
|
|
|
#define le16toh(_x) le16_to_cpu(_x)
|
|
#define htole16(_x) cpu_to_le16(_x)
|
|
#define le32toh(_x) le32_to_cpu(_x)
|
|
#define htole32(_x) cpu_to_le32(_x)
|
|
#define be32toh(_x) be32_to_cpu(_x)
|
|
#define htobe32(_x) cpu_to_be32(_x)
|
|
|
|
/*
|
|
* Linux has no equivalents to malloc types so null these out.
|
|
*/
|
|
#define MALLOC_DEFINE(type, shortdesc, longdesc)
|
|
#define MALLOC_DECLARE(type)
|
|
|
|
/*
|
|
* flags to malloc.
|
|
*/
|
|
#define M_NOWAIT 0x0001 /* do not block */
|
|
#define M_WAITOK 0x0002 /* ok to block */
|
|
#define M_ZERO 0x0100 /* bzero the allocation */
|
|
|
|
static __inline void *
|
|
ieee80211_malloc(size_t size, int flags)
|
|
{
|
|
void *p = kmalloc(size, flags & M_NOWAIT ? GFP_ATOMIC : GFP_KERNEL);
|
|
if (p && (flags & M_ZERO))
|
|
memset(p, 0, size);
|
|
return p;
|
|
}
|
|
#define MALLOC(_ptr, cast, _size, _type, _flags) \
|
|
((_ptr) = (cast)ieee80211_malloc(_size, _flags))
|
|
#define FREE(addr, type) kfree((addr))
|
|
|
|
/*
|
|
* This unlikely to be popular but it dramatically reduces diffs.
|
|
*/
|
|
#define printf(...) printk(__VA_ARGS__)
|
|
struct ieee80211com;
|
|
extern void if_printf(struct net_device *, const char *, ...);
|
|
|
|
/*
|
|
* Queue write-arounds and support routines.
|
|
*/
|
|
#ifdef IEEE80211_DEBUG_REFCNT
|
|
#define ieee80211_getmgtframe(_ppfrm, _pktlen) \
|
|
ieee80211_getmgtframe_debug(_ppfrm, _pktlen, __func__, __LINE__)
|
|
extern struct sk_buff * ieee80211_getmgtframe_debug(u_int8_t **frm, u_int pktlen,
|
|
const char *func, int line);
|
|
#else
|
|
extern struct sk_buff * ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen);
|
|
#endif
|
|
|
|
#define IF_ENQUEUE(_q,_skb) skb_queue_tail(_q, _skb)
|
|
#define IF_DEQUEUE(_q,_skb) (_skb = skb_dequeue(_q))
|
|
#define _IF_QLEN(_q) skb_queue_len(_q)
|
|
#define IF_DRAIN(_q) skb_queue_drain(_q)
|
|
extern void skb_queue_drain(struct sk_buff_head *q);
|
|
|
|
#ifndef __MOD_INC_USE_COUNT
|
|
#define _MOD_INC_USE(_m, _err) \
|
|
if (!try_module_get(_m)) { \
|
|
printk(KERN_WARNING "%s: try_module_get failed\n", \
|
|
__func__); \
|
|
_err; \
|
|
}
|
|
#define _MOD_DEC_USE(_m) module_put(_m)
|
|
#else
|
|
#define _MOD_INC_USE(_m, _err) MOD_INC_USE_COUNT
|
|
#define _MOD_DEC_USE(_m) MOD_DEC_USE_COUNT
|
|
#endif
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
|
|
static __inline u_int64_t
|
|
get_jiffies_64(void)
|
|
{
|
|
return (u_int64_t) jiffies; /* XXX not right */
|
|
}
|
|
#endif
|
|
|
|
/* msecs_to_jiffies appeared in 2.6.7 and 2.4.29 */
|
|
#include <linux/delay.h>
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
|
|
LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)) || \
|
|
LINUX_VERSION_CODE < KERNEL_VERSION(2,4,29)
|
|
|
|
/* The following definitions and inline functions are
|
|
* copied from the kernel src, include/linux/jiffies.h */
|
|
|
|
#ifndef MSEC_PER_SEC
|
|
#define MSEC_PER_SEC (1000L)
|
|
#endif
|
|
|
|
#ifndef MAX_JIFFY_OFFSET
|
|
#define MAX_JIFFY_OFFSET ((~0UL >> 1)-1)
|
|
#endif
|
|
|
|
static __inline unsigned int jiffies_to_msecs(const unsigned long j)
|
|
{
|
|
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
|
|
return (MSEC_PER_SEC / HZ) * j;
|
|
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
|
|
return (j + (HZ / MSEC_PER_SEC) - 1)/(HZ / MSEC_PER_SEC);
|
|
#else
|
|
return (j * MSEC_PER_SEC) / HZ;
|
|
#endif
|
|
}
|
|
|
|
static __inline unsigned long msecs_to_jiffies(const unsigned int m)
|
|
{
|
|
if (m > jiffies_to_msecs(MAX_JIFFY_OFFSET))
|
|
return MAX_JIFFY_OFFSET;
|
|
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
|
|
return (m + (MSEC_PER_SEC / HZ) - 1) / (MSEC_PER_SEC / HZ);
|
|
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
|
|
return m * (HZ / MSEC_PER_SEC);
|
|
#else
|
|
return (m * HZ + MSEC_PER_SEC - 1) / MSEC_PER_SEC;
|
|
#endif
|
|
}
|
|
|
|
#endif
|
|
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,7)
|
|
#include <linux/jiffies.h>
|
|
#endif
|
|
|
|
#ifndef CLONE_KERNEL
|
|
/*
|
|
* List of flags we want to share for kernel threads,
|
|
* if only because they are not used by them anyway.
|
|
*/
|
|
#define CLONE_KERNEL (CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
|
|
#endif
|
|
|
|
#include <linux/mm.h>
|
|
#ifndef offset_in_page
|
|
#define offset_in_page(p) ((unsigned long) (p) & ~PAGE_MASK)
|
|
#endif
|
|
|
|
#ifndef module_put_and_exit
|
|
#define module_put_and_exit(code) do { \
|
|
_MOD_DEC_USE(THIS_MODULE); \
|
|
do_exit(code); \
|
|
} while (0)
|
|
#endif
|
|
|
|
/*
|
|
* Linux uses __BIG_ENDIAN and __LITTLE_ENDIAN while BSD uses _foo
|
|
* and an explicit _BYTE_ORDER. Sorry, BSD got there first--define
|
|
* things in the BSD way...
|
|
*/
|
|
#undef _LITTLE_ENDIAN
|
|
#define _LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
|
|
#undef _BIG_ENDIAN
|
|
#define _BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
|
|
#include <asm/byteorder.h>
|
|
#if defined(__LITTLE_ENDIAN)
|
|
#define _BYTE_ORDER _LITTLE_ENDIAN
|
|
#elif defined(__BIG_ENDIAN)
|
|
#define _BYTE_ORDER _BIG_ENDIAN
|
|
#else
|
|
#error "Please fix asm/byteorder.h"
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Deal with the sysctl handler api changing.
|
|
*/
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8)
|
|
#define IEEE80211_SYSCTL_DECL(f, ctl, write, filp, buffer, lenp, ppos) \
|
|
f(ctl_table *ctl, int write, struct file *filp, \
|
|
void __user *buffer, size_t *lenp)
|
|
#define IEEE80211_SYSCTL_PROC_DOINTVEC(ctl, write, filp, buffer, lenp, ppos) \
|
|
proc_dointvec(ctl, write, filp, buffer, lenp)
|
|
#else
|
|
#define IEEE80211_SYSCTL_DECL(f, ctl, write, filp, buffer, lenp, ppos) \
|
|
f(ctl_table *ctl, int write, struct file *filp, \
|
|
void __user *buffer, size_t *lenp, loff_t *ppos)
|
|
#define IEEE80211_SYSCTL_PROC_DOINTVEC(ctl, write, filp, buffer, lenp, ppos) \
|
|
proc_dointvec(ctl, write, filp, buffer, lenp, ppos)
|
|
#endif
|
|
|
|
void ieee80211_virtfs_latevattach(struct ieee80211vap *);
|
|
void ieee80211_virtfs_vdetach(struct ieee80211vap *);
|
|
int ieee80211_proc_vcreate(struct ieee80211vap *, struct file_operations *,
|
|
char *);
|
|
void ieee80211_proc_cleanup(struct ieee80211vap *);
|
|
|
|
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
|
|
#define IEEE80211_VLAN_TAG_USED 1
|
|
|
|
#ifndef VLAN_GROUP_ARRAY_PART_LEN
|
|
#define vlan_group_set_device(group, vid, dev) do { \
|
|
group->vlan_devices[vid] = dev; \
|
|
} while (0);
|
|
#endif
|
|
|
|
#else
|
|
#define IEEE80211_VLAN_TAG_USED 0
|
|
#endif
|
|
void ieee80211_vlan_vattach(struct ieee80211vap *);
|
|
void ieee80211_vlan_vdetach(struct ieee80211vap *);
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
|
|
#define free_netdev(dev) kfree(dev)
|
|
#endif
|
|
|
|
int ieee80211_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
|
|
void ieee80211_ioctl_vattach(struct ieee80211vap *);
|
|
void ieee80211_ioctl_vdetach(struct ieee80211vap *);
|
|
struct ifreq;
|
|
int ieee80211_ioctl_create_vap(struct ieee80211com *, struct ifreq *,
|
|
struct net_device *);
|
|
struct ieee80211vap *ieee80211_create_vap(struct ieee80211com *, char *,
|
|
struct net_device *, int, int);
|
|
void ieee80211_vlan_register(struct net_device *dev, struct vlan_group *grp);
|
|
void ieee80211_vlan_add_vid(struct net_device *dev, unsigned short vid);
|
|
void ieee80211_vlan_kill_vid(struct net_device *dev, unsigned short vid);
|
|
|
|
#endif /* _NET80211_IEEE80211_LINUX_H_ */
|