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- /*-
- * Copyright (c) 2003-2005 Sam Leffler, Errno Consulting
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $Id: ieee80211_linux.h 1522 2006-04-22 05:26:56Z proski $
- */
- #ifndef _NET80211_IEEE80211_LINUX_H_
- #define _NET80211_IEEE80211_LINUX_H_
-
- #ifdef CONFIG_NET_WIRELESS
- #include <linux/wireless.h>
- #endif
-
- /*
- * Task deferral
- *
- * Deduce if tasklets are available. If not then
- * fall back to using the immediate work queue.
- */
- #include <linux/interrupt.h>
- #ifdef DECLARE_TASKLET /* native tasklets */
- #define IEEE80211_TQ_STRUCT tasklet_struct
- #define IEEE80211_INIT_TQUEUE(a,b,c) tasklet_init((a),(b),(unsigned long)(c))
- #define IEEE80211_SCHEDULE_TQUEUE(a) tasklet_schedule((a))
- #define IEEE80211_CANCEL_TQUEUE(a) if (!in_interrupt()) tasklet_kill((a))
- typedef unsigned long IEEE80211_TQUEUE_ARG;
- #define mark_bh(a)
- #else /* immediate work queue */
- #define IEEE80211_TQ_STRUCT tq_struct
- #define IEEE80211_INIT_TQUEUE(a,b,c) INIT_TQUEUE(a,b,c)
- #define IEEE80211_SCHEDULE_TQUEUE(a) do { \
- int __macro_needmark; \
- __macro_needmark |= queue_task((a), &tq_immediate); \
- if (__macro_needmark) \
- mark_bh(IMMEDIATE_BH); \
- } while(0)
- typedef void *IEEE80211_TQUEUE_ARG;
- #define tasklet_disable(t) do { (void) t; local_bh_disable(); } while (0)
- #define tasklet_enable(t) do { (void) t; local_bh_enable(); } while (0)
- /* XXX: not supporting cancel in old kernels! */
- #define IEEE80211_CANCEL_TQUEUE(a) ((a),0)
- #endif /* !DECLARE_TASKLET */
-
- #define IEEE80211_RESCHEDULE schedule
-
- /*
- * Beacon handler locking definitions.
- * Beacon locking
- * UAPSD locking
- */
- typedef spinlock_t ieee80211com_lock_t;
- #define IEEE80211_LOCK_INIT(_ic, _name) \
- spin_lock_init(&(_ic)->ic_comlock)
- #define IEEE80211_LOCK_DESTROY(_ic)
- #define IEEE80211_LOCK_IRQ(_ic) do { \
- unsigned long __ilockflags; \
- spin_lock_irqsave(&(_ic)->ic_comlock, __ilockflags);
- #define IEEE80211_UNLOCK_IRQ(_ic) \
- spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags); \
- } while (0)
- #define IEEE80211_UNLOCK_IRQ_EARLY(_ic) \
- spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags);
- #define IEEE80211_LOCK_BH(_ic) spin_lock_bh(&(_ic)->ic_comlock)
- #define IEEE80211_UNLOCK_BH(_ic) spin_unlock_bh(&(_ic)->ic_comlock)
- #define IEEE80211_LOCK(_ic) spin_lock(&(_ic)->ic_comlock)
- #define IEEE80211_UNLOCK(_ic) spin_unlock(&(_ic)->ic_comlock)
-
- /* NB: beware, spin_is_locked() is unusable for !SMP */
- #if defined(CONFIG_SMP)
- #define IEEE80211_LOCK_ASSERT(_ic) \
- KASSERT(spin_is_locked(&(_ic)->ic_comlock),("ieee80211com not locked!"))
- #else
- #define IEEE80211_LOCK_ASSERT(_ic)
- #endif
-
- #define IEEE80211_VAPS_LOCK_INIT(_ic, _name) \
- spin_lock_init(&(_ic)->ic_vapslock)
- #define IEEE80211_VAPS_LOCK_DESTROY(_ic)
- #define IEEE80211_VAPS_LOCK(_ic) spin_lock(&(_ic)->ic_vapslock);
- #define IEEE80211_VAPS_UNLOCK(_ic) spin_unlock(&(_ic)->ic_vapslock);
- #define IEEE80211_VAPS_LOCK_BH(_ic) spin_lock_bh(&(_ic)->ic_vapslock);
- #define IEEE80211_VAPS_UNLOCK_BH(_ic) spin_unlock_bh(&(_ic)->ic_vapslock);
- #define IEEE80211_VAPS_LOCK_IRQ(_ic) do { \
- int _vaps_lockflags; \
- spin_lock_irqsave(&(_ic)->ic_vapslock, _vaps_lockflags);
- #define IEEE80211_VAPS_UNLOCK_IRQ(_ic) \
- spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags); \
- } while (0)
- #define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
-
-
- /* NB: beware, spin_is_locked() is unusable for !SMP */
- #if defined(CONFIG_SMP)
- #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
- KASSERT(spin_is_locked(&(_ic)->ic_vapslock),("ieee80211com_vaps not locked!"))
- #else
- #define IEEE80211_VAPS_LOCK_ASSERT(_ic)
- #endif
-
-
- /*
- * Node locking definitions.
- */
- typedef spinlock_t ieee80211_node_lock_t;
- #define IEEE80211_NODE_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_nodelock)
- #define IEEE80211_NODE_LOCK_DESTROY(_nt)
- #define IEEE80211_NODE_LOCK(_nt) spin_lock(&(_nt)->nt_nodelock)
- #define IEEE80211_NODE_UNLOCK(_nt) spin_unlock(&(_nt)->nt_nodelock)
- #define IEEE80211_NODE_LOCK_BH(_nt) spin_lock_bh(&(_nt)->nt_nodelock)
- #define IEEE80211_NODE_UNLOCK_BH(_nt) spin_unlock_bh(&(_nt)->nt_nodelock)
- #define IEEE80211_NODE_LOCK_IRQ(_nt) do { \
- unsigned long __node_lockflags; \
- spin_lock_irqsave(&(_nt)->nt_nodelock, __node_lockflags);
- #define IEEE80211_NODE_UNLOCK_IRQ(_nt) \
- spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags); \
- } while(0)
- #define IEEE80211_NODE_UNLOCK_IRQ_EARLY(_nt) \
- spin_unlock_irqrestore(&(_nt)->nt_nodelock, __node_lockflags);
-
- /* NB: beware, *_is_locked() are bogusly defined for UP+!PREEMPT */
- #if (defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)) && defined(spinlock_is_locked)
- #define IEEE80211_NODE_LOCK_ASSERT(_nt) \
- KASSERT(spinlock_is_locked(&(_nt)->nt_nodelock), \
- ("802.11 node table not locked!"))
- #else
- #define IEEE80211_NODE_LOCK_ASSERT(_nt)
- #endif
-
- /*
- * Node table scangen locking definitions.
- */
- typedef spinlock_t ieee80211_scan_lock_t;
- #define IEEE80211_SCAN_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_scanlock)
- #define IEEE80211_SCAN_LOCK_DESTROY(_nt)
- #define IEEE80211_SCAN_LOCK_BH(_nt) spin_lock_bh(&(_nt)->nt_scanlock)
- #define IEEE80211_SCAN_UNLOCK_BH(_nt) spin_unlock_bh(&(_nt)->nt_scanlock)
- #define IEEE80211_SCAN_LOCK_IRQ(_nt) do { \
- unsigned long __scan_lockflags; \
- spin_lock_irqsave(&(_nt)->nt_scanlock, __scan_lockflags);
- #define IEEE80211_SCAN_UNLOCK_IRQ(_nt) \
- spin_unlock_irqrestore(&(_nt)->nt_scanlock, __scan_lockflags); \
- } while (0)
- #define IEEE80211_SCAN_UNLOCK_IRQ_EARLY(_nt) \
- spin_unlock_irqrestore(&(_nt)->nt_scanlock, __scan_lockflags);
-
- /* NB: beware, spin_is_locked() is unusable for !SMP */
- #if defined(CONFIG_SMP)
- #define IEEE80211_SCAN_LOCK_ASSERT(_nt) \
- KASSERT(spin_is_locked(&(_nt)->nt_scanlock), ("scangen not locked!"))
- #else
- #define IEEE80211_SCAN_LOCK_ASSERT(_nt)
- #endif
-
- /*
- * 802.1x MAC ACL database locking definitions.
- */
- typedef spinlock_t acl_lock_t;
- #define ACL_LOCK_INIT(_as, _name) spin_lock_init(&(_as)->as_lock)
- #define ACL_LOCK_DESTROY(_as)
- #define ACL_LOCK(_as) spin_lock(&(_as)->as_lock)
- #define ACL_UNLOCK(_as) spin_unlock(&(_as)->as_lock)
- #define ACL_LOCK_BH(_as) spin_lock_bh(&(_as)->as_lock)
- #define ACL_UNLOCK_BH(_as) spin_unlock_bh(&(_as)->as_lock)
-
- /* NB: beware, spin_is_locked() is unusable for !SMP */
- #if defined(CONFIG_SMP)
- #define ACL_LOCK_ASSERT(_as) \
- KASSERT(spin_is_locked(&(_as)->as_lock), ("ACL not locked!"))
- #else
- #define ACL_LOCK_ASSERT(_as)
- #endif
-
- /* __skb_append got a third parameter in 2.6.14 */
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
- #define __skb_append(a,b,c) __skb_append(a,b)
- #endif
-
- /*
- * Per-node power-save queue definitions. Beware of control
- * flow with IEEE80211_NODE_SAVEQ_LOCK/IEEE80211_NODE_SAVEQ_UNLOCK.
- */
- #define IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do { \
- skb_queue_head_init(&(_ni)->ni_savedq); \
- } while (0)
- #define IEEE80211_NODE_SAVEQ_DESTROY(_ni)
- #define IEEE80211_NODE_SAVEQ_QLEN(_ni) skb_queue_len(&(_ni)->ni_savedq)
- #define IEEE80211_NODE_SAVEQ_LOCK(_ni) \
- spin_lock(&(_ni)->ni_savedq.lock)
- #define IEEE80211_NODE_SAVEQ_UNLOCK(_ni) \
- spin_unlock(&(_ni)->ni_savedq.lock)
- #define IEEE80211_NODE_SAVEQ_LOCK_IRQ(_ni) do { \
- unsigned long __sqlockflags; \
- spin_lock_irqsave(&(_ni)->ni_savedq.lock, __sqlockflags);
- #define IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(_ni) \
- spin_unlock_irqrestore(&(_ni)->ni_savedq.lock, __sqlockflags);\
- } while (0)
-
- /* caller MUST lock IEEE80211_NODE_SAVEQ */
- #define IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _skb, _qlen) do { \
- _skb = __skb_dequeue(&(_ni)->ni_savedq); \
- (_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
- } while (0)
- #define _IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _skb, _qlen, _age) do {\
- struct sk_buff *tail = skb_peek_tail(&(_ni)->ni_savedq);\
- if (tail != NULL) { \
- _age -= M_AGE_GET(tail); \
- __skb_append(tail, _skb, &(_ni)->ni_savedq); \
- } else { \
- __skb_queue_head(&(_ni)->ni_savedq, _skb); \
- } \
- M_AGE_SET(_skb, _age); \
- (_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
- } while (0)
-
- /*
- * Transmitted frames have the following information
- * held in the sk_buff control buffer. This is used to
- * communicate various inter-procedural state that needs
- * to be associated with the frame for the duration of
- * it's existence.
- *
- * NB: sizeof(cb) == 48 and the vlan code grabs the first
- * 8 bytes so we reserve/avoid it.
- */
- struct ieee80211_cb {
- u_int8_t vlan[8]; /* reserve for vlan tag info */
- struct ieee80211_node *ni;
- u_int32_t flags;
- #define M_LINK0 0x01 /* frame needs WEP encryption */
- #define M_FF 0x02 /* fast frame */
- #define M_PWR_SAV 0x04 /* bypass power save handling */
- #define M_UAPSD 0x08 /* frame flagged for u-apsd handling */
- #define M_RAW 0x10
- struct sk_buff *next; /* fast frame sk_buf chain */
- };
-
-
- #define M_FLAG_SET(_skb, _flag) \
- (((struct ieee80211_cb *)(_skb)->cb)->flags |= (_flag))
- #define M_FLAG_CLR(_skb, _flag) \
- (((struct ieee80211_cb *)(_skb)->cb)->flags &= ~(_flag))
- #define M_FLAG_GET(_skb, _flag) \
- (((struct ieee80211_cb *)(_skb)->cb)->flags & (_flag))
- #define M_FLAG_KEEP_ONLY(_skb, _flag) \
- (((struct ieee80211_cb *)(_skb)->cb)->flags &= (_flag))
-
- #define M_PWR_SAV_SET(skb) M_FLAG_SET((skb), M_PWR_SAV)
- #define M_PWR_SAV_CLR(skb) M_FLAG_CLR((skb), M_PWR_SAV)
- #define M_PWR_SAV_GET(skb) M_FLAG_GET((skb), M_PWR_SAV)
-
- /*
- * Skbufs on the power save queue are tagged with an age and
- * timed out. We reuse the hardware checksum field in the
- * mbuf packet header to store this data.
- * XXX use private cb area
- */
- #define M_AGE_SET(skb,v) (skb->csum = v)
- #define M_AGE_GET(skb) (skb->csum)
- #define M_AGE_SUB(skb,adj) (skb->csum -= adj)
-
- struct ieee80211com;
- struct ieee80211vap;
-
- int ieee80211_load_module(const char *);
-
- /*
- * Node reference counting definitions.
- *
- * ieee80211_node_initref initialize the reference count to 1
- * ieee80211_node_incref add a reference
- * ieee80211_node_decref remove a reference
- * ieee80211_node_dectestref remove a reference and return 1 if this
- * is the last reference, otherwise 0
- * ieee80211_node_refcnt reference count for printing (only)
- */
- #define ieee80211_node_initref(_ni) atomic_set(&(_ni)->ni_refcnt, 1)
- #define ieee80211_node_incref(_ni) atomic_inc(&(_ni)->ni_refcnt)
- #define ieee80211_node_decref(_ni) atomic_dec(&(_ni)->ni_refcnt)
- #define ieee80211_node_dectestref(_ni) atomic_dec_and_test(&(_ni)->ni_refcnt)
- #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt.counter
-
- #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 *, ...);
- extern const char *ether_sprintf(const u_int8_t *);
-
- /*
- * Queue write-arounds and support routines.
- */
- extern struct sk_buff *ieee80211_getmgtframe(u_int8_t **frm, u_int pktlen);
- #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
-
- #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
-
- #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
-
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
- #define __user
- #define __kernel
- #define __iomem
- #endif
-
-
- #ifdef CONFIG_SYSCTL
- /*
- * 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_sysctl_vattach(struct ieee80211vap *);
- void ieee80211_sysctl_vdetach(struct ieee80211vap *);
- #endif /* CONFIG_SYSCTL */
-
- #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
- #define IEEE80211_VLAN_TAG_USED 1
-
- #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20)
- #define vlan_hwaccel_receive_skb(skb, grp, tag) vlan_hwaccel_rx(skb, grp, tag)
- #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
-
- 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 *);
- int ieee80211_create_vap(struct ieee80211com *, char *, struct net_device *,
- int, int);
- #endif /* _NET80211_IEEE80211_LINUX_H_ */
-