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Linux 2.4 series compatibility fixes
* Based on patches from nbd * av_beacon_alloc code has been reimplemented using atomic bit operations; I think this is safe for SMP git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3310 0192ed92-7a03-0410-a25b-9323aeb14dbd
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ath/if_ath.c
20
ath/if_ath.c
@ -526,7 +526,8 @@ ath_attach(u_int16_t devid, struct net_device *dev, HAL_BUS_TAG tag)
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/* Allocate space for dynamically determined maximum VAP count */
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sc->sc_bslot =
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kzalloc(ath_maxvaps * sizeof(struct ieee80211vap), GFP_KERNEL);
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kmalloc(ath_maxvaps * sizeof(struct ieee80211vap), GFP_KERNEL);
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memset(sc->sc_bslot, 0, ath_maxvaps * sizeof(struct ieee80211vap));
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/*
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* Cache line size is used to size and align various
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@ -1345,7 +1346,11 @@ ath_vap_create(struct ieee80211com *ic, const char *name,
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}
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}
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avp->av_bslot = -1;
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
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atomic_set(&avp->av_beacon_alloc, 0);
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#else
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clear_bit(0, &avp->av_beacon_alloc);
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#endif
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STAILQ_INIT(&avp->av_mcastq.axq_q);
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ATH_TXQ_LOCK_INIT(&avp->av_mcastq);
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if (IEEE80211_IS_MODE_BEACON(opmode)) {
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@ -4509,7 +4514,11 @@ ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_node *ni)
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{
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struct ath_vap * avp = ATH_VAP(ni->ni_vap);
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
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atomic_set(&avp->av_beacon_alloc, 1);
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#else
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set_bit(0, &avp->av_beacon_alloc);
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#endif
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return 0;
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}
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@ -4754,9 +4763,12 @@ ath_beacon_generate(struct ath_softc *sc, struct ieee80211vap *vap, int *needmar
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}
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#endif
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if (atomic_add_unless(&avp->av_beacon_alloc, -1, 0)) {
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ath_beacon_alloc_internal(sc, vap->iv_bss);
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}
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
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if (atomic_add_unless(&avp->av_beacon_alloc, -1, 0))
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#else
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if (test_and_clear_bit(0, &avp->av_beacon_alloc))
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#endif
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ath_beacon_alloc_internal(sc, vap->iv_bss);
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/*
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* Update dynamic beacon contents. If this returns
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@ -1532,9 +1532,11 @@ void ath_rp_init(struct ath_softc *sc)
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ath_rp_clear(sc);
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sc->sc_rp = (struct ath_rp *)kzalloc(
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sizeof(struct ath_rp) *
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sc->sc_rp = (struct ath_rp *)kmalloc(
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sizeof(struct ath_rp) *
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ATH_RADAR_PULSE_NR, GFP_KERNEL);
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memset(sc->sc_rp, 0, sizeof(struct ath_rp) *
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ATH_RADAR_PULSE_NR);
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if (sc->sc_rp == NULL)
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return;
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@ -49,6 +49,9 @@
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#include "net80211/ieee80211.h" /* XXX for WME_NUM_AC */
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#include <asm/io.h>
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#include <linux/list.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
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# include <asm/bitops.h>
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#endif
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/*
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* Deduce if tasklets are available. If not then
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@ -123,11 +126,6 @@ typedef void irqreturn_t;
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#define ATH_GET_NETDEV_DEV(ndev) ((ndev)->class_dev.dev)
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#endif
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#ifndef NETDEV_TX_OK
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#define NETDEV_TX_OK 0
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#define NETDEV_TX_BUSY 1
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
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static inline struct net_device *_alloc_netdev(int sizeof_priv, const char *mask,
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void (*setup)(struct net_device *))
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@ -520,8 +518,12 @@ struct ath_vap {
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struct ieee80211_beacon_offsets av_boff;/* dynamic update state */
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int av_bslot; /* beacon slot index */
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struct ath_txq av_mcastq; /* multicast transmit queue */
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
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atomic_t av_beacon_alloc; /* set to 1 when the next beacon needs
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to be recomputed */
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#else
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unsigned int av_beacon_alloc;
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#endif
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};
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#define ATH_VAP(_v) ((struct ath_vap *)(_v))
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@ -42,7 +42,9 @@
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/time.h>
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#include <linux/netdevice.h>
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#endif
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#if !defined(__KERNEL__) || !defined (__bitwise)
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#define __le16 u_int16_t
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#define __le32 u_int32_t
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@ -54,11 +56,23 @@
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#endif
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#ifndef container_of
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#define container_of(ptr, type, member) ({ \
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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#endif
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#ifndef list_for_each_entry_reverse
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#define list_for_each_entry_reverse(pos, head, member) \
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for (pos = list_entry((head)->prev, typeof(*pos), member); \
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prefetch(pos->member.prev), &pos->member != (head); \
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pos = list_entry(pos->member.prev, typeof(*pos), member))
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#endif
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#ifndef NETDEV_TX_OK
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#define NETDEV_TX_OK 0
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#define NETDEV_TX_BUSY 1
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#endif
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/*
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* BSD/Linux compatibility shims. These are used mainly to
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* minimize differences when importing necesary BSD code.
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@ -52,11 +52,6 @@
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_proto.h>
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#ifndef NETDEV_TX_OK
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#define NETDEV_TX_OK 0
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#define NETDEV_TX_BUSY 1
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#endif
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static void ieee80211_set_tim(struct ieee80211_node *ni, int set);
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void
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@ -46,7 +46,12 @@
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#include <linux/netdevice.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
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#include "sort.c"
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#else
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#include <linux/sort.h>
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#endif
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#include "if_media.h"
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