Index: madwifi-trunk-r3314/ath/if_ath.c =================================================================== --- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-01-31 04:25:11.617671781 +0100 +++ madwifi-trunk-r3314/ath/if_ath.c 2008-01-31 05:06:04.606254148 +0100 @@ -184,7 +184,11 @@ 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); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) +static int ath_rx_poll(struct napi_struct *napi, int budget); +#else static int ath_rx_poll(struct net_device *dev, int *budget); +#endif static int ath_hardstart(struct sk_buff *, struct net_device *); static int ath_mgtstart(struct ieee80211com *, struct sk_buff *); #ifdef ATH_SUPERG_COMP @@ -374,6 +378,9 @@ u_int32_t new_clamped_maxtxpower); static u_int32_t ath_get_real_maxtxpower(struct ath_softc *sc); +static void ath_poll_disable(struct net_device *dev); +static void ath_poll_enable(struct net_device *dev); + /* calibrate every 30 secs in steady state but check every second at first. */ static int ath_calinterval = ATH_SHORT_CALINTERVAL; static int ath_countrycode = CTRY_DEFAULT; /* country code */ @@ -818,8 +825,12 @@ dev->set_mac_address = ath_set_mac_address; dev->change_mtu = ath_change_mtu; dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + netif_napi_add(dev, &sc->sc_napi, ath_rx_poll, 64); +#else dev->poll = ath_rx_poll; dev->weight = 64; +#endif #ifdef USE_HEADERLEN_RESV dev->hard_header_len += sizeof(struct ieee80211_qosframe) + sizeof(struct llc) + @@ -2268,12 +2279,21 @@ if (status & (HAL_INT_RX | HAL_INT_RXPHY)) { ath_uapsd_processtriggers(sc, hw_tsf); sc->sc_isr &= ~HAL_INT_RX; - if (netif_rx_schedule_prep(dev)) { +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + if (netif_rx_schedule_prep(dev, &sc->sc_napi)) +#else + if (netif_rx_schedule_prep(dev)) +#endif + { #ifndef ATH_PRECISE_TSF sc->sc_imask &= ~HAL_INT_RX; ath_hal_intrset(ah, sc->sc_imask); #endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + __netif_rx_schedule(dev, &sc->sc_napi); +#else __netif_rx_schedule(dev); +#endif } } if (status & HAL_INT_TX) { @@ -2557,6 +2577,9 @@ if (sc->sc_tx99 != NULL) sc->sc_tx99->stop(sc->sc_tx99); #endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + ath_poll_disable(dev); +#endif netif_stop_queue(dev); /* XXX re-enabled by ath_newstate */ dev->flags &= ~IFF_RUNNING; /* NB: avoid recursion */ ieee80211_stop_running(ic); /* stop all VAPs */ @@ -4015,6 +4038,39 @@ return ath_keyset(sc, k, mac, vap->iv_bss); } +static void ath_poll_disable(struct net_device *dev) +{ + struct ath_softc *sc = dev->priv; + + /* + * XXX Using in_softirq is not right since we might + * be called from other soft irq contexts than + * ath_rx_poll + */ + if (!in_softirq()) { +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + napi_disable(&sc->sc_napi); +#else + netif_poll_disable(dev); +#endif + } +} + +static void ath_poll_enable(struct net_device *dev) +{ + struct ath_softc *sc = dev->priv; + + /* NB: see above */ + if (!in_softirq()) { +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + napi_enable(&sc->sc_napi); +#else + netif_poll_enable(dev); +#endif + } +} + + /* * Block/unblock tx+rx processing while a key change is done. * We assume the caller serializes key management operations @@ -4032,13 +4088,8 @@ * When called from the rx tasklet we cannot use * tasklet_disable because it will block waiting * for us to complete execution. - * - * XXX Using in_softirq is not right since we might - * be called from other soft irq contexts than - * ath_rx_poll */ - if (!in_softirq()) - netif_poll_disable(dev); + ath_poll_disable(dev); netif_stop_queue(dev); } @@ -4050,8 +4101,7 @@ DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n"); netif_wake_queue(dev); - if (!in_softirq()) /* NB: see above */ - netif_poll_enable(dev); + ath_poll_enable(dev); } /* @@ -6359,24 +6409,34 @@ } static int +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) +ath_rx_poll(struct napi_struct *napi, int budget) +#else ath_rx_poll(struct net_device *dev, int *budget) +#endif { #define PA2DESC(_sc, _pa) \ ((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \ ((_pa) - (_sc)->sc_rxdma.dd_desc_paddr))) - struct ath_buf *bf; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + struct ath_softc *sc = container_of(napi, struct ath_softc, sc_napi); + struct net_device *dev = sc->sc_dev; + u_int rx_limit = budget; +#else struct ath_softc *sc = dev->priv; + u_int rx_limit = dev->quota; +#endif struct ieee80211com *ic = &sc->sc_ic; struct ath_hal *ah = sc ? sc->sc_ah : NULL; struct ath_desc *ds; struct ath_rx_status *rs; struct sk_buff *skb = NULL; struct ieee80211_node *ni; + struct ath_buf *bf; unsigned int len; int type; u_int phyerr; u_int processed = 0, early_stop = 0; - u_int rx_limit = dev->quota; u_int mic_fail = 0; DPRINTF(sc, ATH_DEBUG_RX_PROC, "invoked\n"); @@ -6405,7 +6465,9 @@ break; } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) processed++; +#endif if (rx_limit-- < 0) { early_stop = 1; break; @@ -6675,8 +6737,6 @@ goto process_rx_again; } #endif - netif_rx_complete(dev); - #ifndef ATH_PRECISE_TSF sc->sc_imask |= HAL_INT_RX; ath_hal_intrset(ah, sc->sc_imask); @@ -6684,11 +6744,17 @@ #endif } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + netif_rx_complete(dev, napi); +#else + netif_rx_complete(dev); *budget -= processed; +#endif /* rx signal state monitoring, only necessary/applicable for sta mode */ if (sc->sc_opmode == HAL_M_STA) ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan); + return early_stop; #undef PA2DESC } @@ -10395,9 +10461,9 @@ dev->mtu = mtu; if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) { /* NB: the rx buffers may need to be reallocated */ - netif_poll_disable(dev); + ath_poll_disable(dev); error = ath_reset(dev); - netif_poll_enable(dev); + ath_poll_enable(dev); } ATH_UNLOCK(sc); Index: madwifi-trunk-r3314/ath/if_athvar.h =================================================================== --- madwifi-trunk-r3314.orig/ath/if_athvar.h 2008-01-31 04:25:14.001807644 +0100 +++ madwifi-trunk-r3314/ath/if_athvar.h 2008-01-31 04:32:31.858759693 +0100 @@ -620,6 +620,9 @@ struct ath_softc { struct ieee80211com sc_ic; /* NB: must be first */ struct net_device *sc_dev; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) + struct napi_struct sc_napi; +#endif void __iomem *sc_iobase; /* address of the device */ struct semaphore sc_lock; /* dev-level lock */ struct net_device_stats sc_devstats; /* device statistics */