-Index: madwifi-ng-r2568-20070710/ath/if_ath.c
+Index: madwifi-trunk-r3280/ath/if_ath.c
===================================================================
---- madwifi-ng-r2568-20070710.orig/ath/if_ath.c 2007-07-13 11:18:19.473406270 +0200
-+++ madwifi-ng-r2568-20070710/ath/if_ath.c 2007-07-13 11:18:20.017437275 +0200
-@@ -170,7 +170,7 @@
- int, u_int64_t);
+--- madwifi-trunk-r3280.orig/ath/if_ath.c 2008-01-28 17:29:22.989895792 +0100
++++ madwifi-trunk-r3280/ath/if_ath.c 2008-01-28 20:00:09.319637124 +0100
+@@ -184,7 +184,7 @@
+ struct sk_buff *, int, int, u_int64_t);
static void ath_setdefantenna(struct ath_softc *, u_int);
static struct ath_txq *ath_txq_setup(struct ath_softc *, int, int);
-static void ath_rx_tasklet(TQUEUE_ARG);
static int ath_hardstart(struct sk_buff *, struct net_device *);
static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
#ifdef ATH_SUPERG_COMP
-@@ -444,7 +444,6 @@
+@@ -542,7 +542,6 @@
ATH_TXBUF_LOCK_INIT(sc);
ATH_RXBUF_LOCK_INIT(sc);
ATH_INIT_TQUEUE(&sc->sc_txtq, ath_tx_tasklet, dev);
ATH_INIT_TQUEUE(&sc->sc_bmisstq, ath_bmiss_tasklet, dev);
ATH_INIT_TQUEUE(&sc->sc_bstucktq, ath_bstuck_tasklet, dev);
-@@ -691,6 +690,8 @@
+@@ -816,6 +815,8 @@
dev->set_mac_address = ath_set_mac_address;
- dev->change_mtu = ath_change_mtu;
- dev->tx_queue_len = ATH_TXBUF - 1; /* 1 for mgmt frame */
+ dev->change_mtu = ath_change_mtu;
+ dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED;
+ dev->poll = ath_rx_poll;
+ dev->weight = 64;
#ifdef USE_HEADERLEN_RESV
dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
sizeof(struct llc) +
-@@ -1667,6 +1668,7 @@
- */
- ath_hal_getisr(ah, &status); /* NB: clears ISR too */
- DPRINTF(sc, ATH_DEBUG_INTR, "%s: status 0x%x\n", __func__, status);
+@@ -2206,6 +2207,7 @@
+ (status & HAL_INT_GLOBAL) ? " HAL_INT_GLOBAL" : ""
+ );
+
+ sc->sc_isr = status;
status &= sc->sc_imask; /* discard unasked for bits */
- if (status & HAL_INT_FATAL) {
- sc->sc_stats.ast_hardware++;
-@@ -1702,7 +1704,14 @@
- if (status & HAL_INT_RX) {
- sc->sc_tsf = ath_hal_gettsf64(ah);
- ath_uapsd_processtriggers(sc);
+ /* As soon as we know we have a real interrupt we intend to service,
+ * we will check to see if we need an initial hardware TSF reading.
+@@ -2263,7 +2265,14 @@
+ }
+ if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
+ ath_uapsd_processtriggers(sc, hw_tsf);
- ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, &needmark);
+ sc->sc_isr &= ~HAL_INT_RX;
+ if (netif_rx_schedule_prep(dev)) {
}
if (status & HAL_INT_TX) {
#ifdef ATH_SUPERG_DYNTURBO
-@@ -1728,6 +1737,11 @@
+@@ -2289,6 +2298,11 @@
}
}
#endif
ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
}
if (status & HAL_INT_BMISS) {
-@@ -3315,10 +3329,10 @@
+@@ -4011,10 +4025,10 @@
*
* XXX Using in_softirq is not right since we might
* be called from other soft irq contexts than
netif_stop_queue(dev);
}
-@@ -3331,7 +3345,7 @@
- DPRINTF(sc, ATH_DEBUG_KEYCACHE, "%s:\n", __func__);
- netif_start_queue(dev);
+@@ -4027,7 +4041,7 @@
+ DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
+ netif_wake_queue(dev);
if (!in_softirq()) /* NB: see above */
- tasklet_enable(&sc->sc_rxtq);
+ netif_poll_enable(dev);
}
/*
-@@ -5584,13 +5598,12 @@
+@@ -6329,13 +6343,12 @@
sc->sc_rxotherant = 0;
}
struct ath_buf *bf;
struct ath_softc *sc = dev->priv;
struct ieee80211com *ic = &sc->sc_ic;
-@@ -5603,12 +5616,15 @@
+@@ -6347,8 +6360,11 @@
+ unsigned int len;
int type;
u_int phyerr;
- u_int64_t rs_tsf;
+ u_int processed = 0, early_stop = 0;
+ u_int rx_limit = dev->quota;
- /* Let the 802.11 layer know about the new noise floor */
- sc->sc_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
- ic->ic_channoise = sc->sc_channoise;
-
- DPRINTF(sc, ATH_DEBUG_RX_PROC, "%s\n", __func__);
+ DPRINTF(sc, ATH_DEBUG_RX_PROC, "invoked\n");
+process_rx_again:
do {
bf = STAILQ_FIRST(&sc->sc_rxbuf);
if (bf == NULL) { /* XXX ??? can this happen */
-@@ -5632,6 +5648,13 @@
+@@ -6372,6 +6388,13 @@
/* NB: never process the self-linked entry at the end */
break;
}
+ }
+
skb = bf->bf_skb;
- if (skb == NULL) { /* XXX ??? can this happen */
- printk("%s: no skbuff (%s)\n", DEV_NAME(dev), __func__);
-@@ -5670,6 +5693,7 @@
+ if (skb == NULL) {
+ EPRINTF(sc, "Dropping; buffer contains NULL skbuff.\n");
+@@ -6419,6 +6442,7 @@
sc->sc_stats.ast_rx_phyerr++;
phyerr = rs->rs_phyerr & 0x1f;
sc->sc_stats.ast_rx_phy[phyerr]++;
}
if (rs->rs_status & HAL_RXERR_DECRYPT) {
/*
-@@ -5887,9 +5911,33 @@
+@@ -6614,9 +6638,35 @@
STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
ATH_RXBUF_UNLOCK_IRQ(sc);
} while (ath_rxbuf_init(sc, bf) == 0);
+ if (!early_stop) {
++ unsigned long flags;
+ /* Check if more data is received while we were
+ * processing the descriptor chain.
+ */
+#ifndef ATH_PRECISE_TSF
-+ ATH_DISABLE_INTR();
++ local_irq_save(flags);
+ if (sc->sc_isr & HAL_INT_RX) {
++ u_int64_t hw_tsf = ath_hal_gettsf64(ah);
+ sc->sc_isr &= ~HAL_INT_RX;
-+ ATH_ENABLE_INTR();
-+ ath_uapsd_processtriggers(sc);
++ local_irq_restore(flags);
++ ath_uapsd_processtriggers(sc, hw_tsf);
+ goto process_rx_again;
+ }
+#endif
+#ifndef ATH_PRECISE_TSF
+ sc->sc_imask |= HAL_INT_RX;
+ ath_hal_intrset(ah, sc->sc_imask);
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+#endif
+ }
+
#undef PA2DESC
}
-@@ -7512,11 +7560,22 @@
+@@ -8267,12 +8317,24 @@
+ {
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
++ unsigned long flags;
+process_tx_again:
if (txqactive(sc->sc_ah, 0))
if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum))
ath_tx_processq(sc, sc->sc_cabq);
-+ ATH_DISABLE_INTR();
++ local_irq_save(flags);
+ if (sc->sc_isr & HAL_INT_TX) {
+ sc->sc_isr &= ~HAL_INT_TX;
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+ goto process_tx_again;
+ }
+ sc->sc_imask |= HAL_INT_TX;
+ ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -7533,6 +7592,7 @@
+@@ -8288,7 +8350,9 @@
+ {
struct net_device *dev = (struct net_device *)data;
struct ath_softc *sc = dev->priv;
++ unsigned long flags;
+process_tx_again:
/*
* Process each active queue.
*/
-@@ -7553,6 +7613,16 @@
+@@ -8309,6 +8373,16 @@
if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
ath_tx_processq(sc, sc->sc_uapsdq);
-+ ATH_DISABLE_INTR();
++ local_irq_save(flags);
+ if (sc->sc_isr & HAL_INT_TX) {
+ sc->sc_isr &= ~HAL_INT_TX;
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+ goto process_tx_again;
+ }
+ sc->sc_imask |= HAL_INT_TX;
+ ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -7570,6 +7640,7 @@
+@@ -8324,13 +8398,25 @@
+ struct net_device *dev = (struct net_device *)data;
+ struct ath_softc *sc = dev->priv;
unsigned int i;
++ unsigned long flags;
- /* Process each active queue. */
+ /* Process each active queue. This includes sc_cabq, sc_xrtq and
+ * sc_uapsdq */
+process_tx_again:
for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i) && txqactive(sc->sc_ah, i))
ath_tx_processq(sc, &sc->sc_txq[i]);
-@@ -7578,6 +7649,16 @@
- ath_tx_processq(sc, sc->sc_xrtxq);
- #endif
-+ ATH_DISABLE_INTR();
++ local_irq_save(flags);
+ if (sc->sc_isr & HAL_INT_TX) {
+ sc->sc_isr &= ~HAL_INT_TX;
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+ goto process_tx_again;
+ }
+ sc->sc_imask |= HAL_INT_TX;
+ ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+ ATH_ENABLE_INTR();
++ local_irq_restore(flags);
+
netif_wake_queue(dev);
if (sc->sc_softled)
-@@ -7676,6 +7757,7 @@
+@@ -8405,6 +8491,7 @@
ath_draintxq(struct ath_softc *sc)
{
struct ath_hal *ah = sc->sc_ah;
unsigned int i;
/* XXX return value */
-@@ -9184,9 +9266,9 @@
+@@ -10261,9 +10348,9 @@
dev->mtu = mtu;
if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
/* NB: the rx buffers may need to be reallocated */
}
ATH_UNLOCK(sc);
-Index: madwifi-ng-r2568-20070710/ath/if_athvar.h
+Index: madwifi-trunk-r3280/ath/if_athvar.h
===================================================================
---- madwifi-ng-r2568-20070710.orig/ath/if_athvar.h 2007-07-13 11:18:18.709362732 +0200
-+++ madwifi-ng-r2568-20070710/ath/if_athvar.h 2007-07-13 11:18:20.017437275 +0200
-@@ -49,6 +49,10 @@
- #include "net80211/ieee80211.h" /* XXX for WME_NUM_AC */
+--- madwifi-trunk-r3280.orig/ath/if_athvar.h 2008-01-28 17:29:22.997896245 +0100
++++ madwifi-trunk-r3280/ath/if_athvar.h 2008-01-28 17:45:06.903383316 +0100
+@@ -50,6 +50,10 @@
#include <asm/io.h>
+ #include <linux/list.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define irqs_disabled() 0
/*
* Deduce if tasklets are available. If not then
* fall back to using the immediate work queue.
-@@ -635,7 +639,6 @@
+@@ -728,7 +732,6 @@
struct ath_buf *sc_rxbufcur; /* current rx buffer */
u_int32_t *sc_rxlink; /* link ptr in last RX desc */
spinlock_t sc_rxbuflock;
struct ATH_TQ_STRUCT sc_rxorntq; /* rxorn intr tasklet */
u_int8_t sc_defant; /* current default antenna */
u_int8_t sc_rxotherant; /* RXs on non-default antenna */
-@@ -648,6 +651,7 @@
+@@ -741,6 +744,7 @@
u_int sc_txintrperiod; /* tx interrupt batching */
struct ath_txq sc_txq[HAL_NUM_TX_QUEUES];
struct ath_txq *sc_ac2q[WME_NUM_AC]; /* WME AC -> h/w qnum */
struct ATH_TQ_STRUCT sc_txtq; /* tx intr tasklet */
u_int8_t sc_grppoll_str[GRPPOLL_RATE_STR_LEN];
struct ath_descdma sc_bdma; /* beacon descriptors */
-@@ -720,6 +724,8 @@
- #define ATH_TXBUF_LOCK_ASSERT(_sc) \
- KASSERT(spin_is_locked(&(_sc)->sc_txbuflock), ("txbuf not locked!"))
+@@ -854,6 +858,8 @@
+ #define ATH_TXBUF_LOCK_CHECK(_sc)
+ #endif
+#define ATH_DISABLE_INTR local_irq_disable
+#define ATH_ENABLE_INTR local_irq_enable
#define ATH_RXBUF_LOCK_INIT(_sc) spin_lock_init(&(_sc)->sc_rxbuflock)
#define ATH_RXBUF_LOCK_DESTROY(_sc)
-Index: madwifi-ng-r2568-20070710/net80211/ieee80211_input.c
+Index: madwifi-trunk-r3280/net80211/ieee80211_input.c
===================================================================
---- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_input.c 2007-07-13 11:18:17.885315771 +0200
-+++ madwifi-ng-r2568-20070710/net80211/ieee80211_input.c 2007-07-13 11:18:20.045438868 +0200
-@@ -1128,8 +1128,9 @@
- if (ni->ni_vlan != 0 && vap->iv_vlgrp != NULL) {
+--- madwifi-trunk-r3280.orig/net80211/ieee80211_input.c 2008-01-28 17:29:23.005896702 +0100
++++ madwifi-trunk-r3280/net80211/ieee80211_input.c 2008-01-28 19:52:50.586635164 +0100
+@@ -1197,7 +1197,7 @@
/* attach vlan tag */
- vlan_hwaccel_receive_skb(skb, vap->iv_vlgrp, ni->ni_vlan);
-- } else
-- netif_rx(skb);
-+ } else {
-+ netif_receive_skb(skb);
-+ }
- dev->last_rx = jiffies;
- }
+ struct ieee80211_node *ni_tmp = SKB_CB(skb)->ni;
+ if (vlan_hwaccel_receive_skb(skb, vap->iv_vlgrp, ni->ni_vlan) == NET_RX_DROP) {
+- /* If netif_rx dropped the packet because
++ /* If netif_receive_skb dropped the packet because
+ * device was too busy */
+ if (ni_tmp != NULL) {
+ /* node reference was leaked */
+@@ -1208,8 +1208,8 @@
+ skb = NULL; /* SKB is no longer ours */
+ } else {
+ struct ieee80211_node *ni_tmp = SKB_CB(skb)->ni;
+- if (netif_rx(skb) == NET_RX_DROP) {
+- /* If netif_rx dropped the packet because
++ if (netif_receive_skb(skb) == NET_RX_DROP) {
++ /* If netif_receive_skb dropped the packet because
+ * device was too busy */
+ if (ni_tmp != NULL) {
+ /* node reference was leaked */
+@@ -2314,8 +2314,8 @@
+ skb1->protocol = __constant_htons(0x0019); /* ETH_P_80211_RAW */
+
+ ni_tmp = SKB_CB(skb1)->ni;
+- if (netif_rx(skb1) == NET_RX_DROP) {
+- /* If netif_rx dropped the packet because
++ if (netif_receive_skb(skb1) == NET_RX_DROP) {
++ /* If netif_receive_skb dropped the packet because
+ * device was too busy */
+ if (ni_tmp != NULL) {
+ /* node reference was leaked */
+Index: madwifi-trunk-r3280/net80211/ieee80211_monitor.c
+===================================================================
+--- madwifi-trunk-r3280.orig/net80211/ieee80211_monitor.c 2008-01-28 17:29:23.013897159 +0100
++++ madwifi-trunk-r3280/net80211/ieee80211_monitor.c 2008-01-28 17:29:26.430091834 +0100
+@@ -584,8 +584,8 @@
+ skb1->protocol =
+ __constant_htons(0x0019); /* ETH_P_80211_RAW */
+
+- if (netif_rx(skb1) == NET_RX_DROP) {
+- /* If netif_rx dropped the packet because
++ if (netif_receive_skb(skb1) == NET_RX_DROP) {
++ /* If netif_receive_skb dropped the packet because
+ * device was too busy, reclaim the ref. in
+ * the skb. */
+ if (SKB_CB(skb1)->ni != NULL)
+Index: madwifi-trunk-r3280/net80211/ieee80211_skb.c
+===================================================================
+--- madwifi-trunk-r3280.orig/net80211/ieee80211_skb.c 2008-01-28 17:29:23.017897384 +0100
++++ madwifi-trunk-r3280/net80211/ieee80211_skb.c 2008-01-28 17:29:26.446092748 +0100
+@@ -73,7 +73,7 @@
+ #undef dev_queue_xmit
+ #undef kfree_skb
+ #undef kfree_skb_fast
+-#undef netif_rx
++#undef netif_receive_skb
+ #undef pskb_copy
+ #undef skb_clone
+ #undef skb_copy
+@@ -638,8 +638,8 @@
+ grp, vlan_tag);
}
+
+-int netif_rx_debug(struct sk_buff *skb, const char* func, int line) {
+- return netif_rx(untrack_skb(skb, 0, func, line, __func__, __LINE__));
++int netif_receive_skb_debug(struct sk_buff *skb, const char* func, int line) {
++ return netif_receive_skb(untrack_skb(skb, 0, func, line, __func__, __LINE__));
+ }
+
+ struct sk_buff * alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
+@@ -760,7 +760,7 @@
+ }
+
+ EXPORT_SYMBOL(vlan_hwaccel_receive_skb_debug);
+-EXPORT_SYMBOL(netif_rx_debug);
++EXPORT_SYMBOL(netif_receive_skb_debug);
+ EXPORT_SYMBOL(alloc_skb_debug);
+ EXPORT_SYMBOL(dev_alloc_skb_debug);
+ EXPORT_SYMBOL(skb_clone_debug);
+Index: madwifi-trunk-r3280/net80211/ieee80211_skb.h
+===================================================================
+--- madwifi-trunk-r3280.orig/net80211/ieee80211_skb.h 2008-01-28 17:29:23.029898072 +0100
++++ madwifi-trunk-r3280/net80211/ieee80211_skb.h 2008-01-28 17:29:26.458093432 +0100
+@@ -116,7 +116,7 @@
+ int vlan_hwaccel_receive_skb_debug(struct sk_buff *skb,
+ struct vlan_group *grp, unsigned short vlan_tag,
+ const char* func, int line);
+-int netif_rx_debug(struct sk_buff *skb, const char* func, int line);
++int netif_receive_skb_debug(struct sk_buff *skb, const char* func, int line);
+ struct sk_buff * alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
+ const char *func, int line);
+ struct sk_buff * dev_alloc_skb_debug(unsigned int length,
+@@ -151,7 +151,7 @@
+ #undef dev_queue_xmit
+ #undef kfree_skb
+ #undef kfree_skb_fast
+-#undef netif_rx
++#undef netif_receive_skb
+ #undef pskb_copy
+ #undef skb_clone
+ #undef skb_copy
+@@ -168,8 +168,8 @@
+ skb_copy_expand_debug(_skb, _newheadroom, _newtailroom, _gfp_mask, __func__, __LINE__)
+ #define vlan_hwaccel_receive_skb(_skb, _grp, _tag) \
+ vlan_hwaccel_receive_skb_debug(_skb, _grp, _tag, __func__, __LINE__)
+-#define netif_rx(_skb) \
+- netif_rx_debug(_skb, __func__, __LINE__)
++#define netif_receive_skb(_skb) \
++ netif_receive_skb_debug(_skb, __func__, __LINE__)
+ #define alloc_skb(_length, _gfp_mask) \
+ alloc_skb_debug(_length, _gfp_mask, __func__, __LINE__)
+ #define dev_alloc_skb(_length) \
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