diff options
Diffstat (limited to 'package/madwifi/patches/329-new_napi.patch')
| -rw-r--r-- | package/madwifi/patches/329-new_napi.patch | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/package/madwifi/patches/329-new_napi.patch b/package/madwifi/patches/329-new_napi.patch new file mode 100644 index 0000000000..182d83d9cc --- /dev/null +++ b/package/madwifi/patches/329-new_napi.patch @@ -0,0 +1,237 @@ +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 */ |