diff options
Diffstat (limited to 'package/madwifi/patches/352-ani_fix.patch')
| -rw-r--r-- | package/madwifi/patches/352-ani_fix.patch | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/package/madwifi/patches/352-ani_fix.patch b/package/madwifi/patches/352-ani_fix.patch new file mode 100644 index 000000000..938d11c62 --- /dev/null +++ b/package/madwifi/patches/352-ani_fix.patch @@ -0,0 +1,265 @@ +--- a/ath/if_ath.c ++++ b/ath/if_ath.c +@@ -1014,9 +1014,7 @@ ath_attach(u_int16_t devid, struct net_d + */ + sc->sc_hasveol = ath_hal_hasveol(ah); + +- /* Interference mitigation/ambient noise immunity (ANI). +- * In modes other than HAL_M_STA, it causes receive sensitivity +- * problems for OFDM. */ ++ /* Interference mitigation/ambient noise immunity (ANI). */ + sc->sc_hasintmit = ath_hal_hasintmit(ah); + + /* get mac address from hardware */ +@@ -1144,6 +1142,11 @@ ath_attach(u_int16_t devid, struct net_d + sc->sc_rp_lasttsf = 0; + sc->sc_last_tsf = 0; + ++ /* set all 3 to auto */ ++ sc->sc_intmit = -1; ++ sc->sc_noise_immunity = -1; ++ sc->sc_ofdm_weak_det = -1; ++ + return 0; + bad3: + ieee80211_ifdetach(ic); +@@ -2428,6 +2431,43 @@ ath_chan2flags(struct ieee80211_channel + return flags; + } + ++static int ath_setintmit(struct ath_softc *sc) ++{ ++ struct ath_hal *ah = sc->sc_ah; ++ int ret; ++ int val; ++ ++ if (!sc->sc_hasintmit) ++ return 0; ++ ++ switch(sc->sc_intmit) { ++ case -1: ++ if (sc->sc_opmode != IEEE80211_M_MONITOR) ++ val = 1; ++ else ++ val = 0; ++ break; ++ case 0: /* disabled */ ++ case 1: /* enabled */ ++ val = sc->sc_intmit; ++ break; ++ default: ++ return 0; ++ } ++ ret = ath_hal_setintmit(ah, val); ++ if (val) ++ goto done; ++ ++ /* manual settings */ ++ if ((sc->sc_noise_immunity >= 0) && (sc->sc_noise_immunity <= 5)) ++ ath_hal_setcapability(ah, HAL_CAP_INTMIT, 2, sc->sc_noise_immunity, NULL); ++ if ((sc->sc_ofdm_weak_det == 0) || (sc->sc_ofdm_weak_det == 1)) ++ ath_hal_setcapability(ah, HAL_CAP_INTMIT, 3, sc->sc_ofdm_weak_det, NULL); ++ ++done: ++ return ret; ++} ++ + /* + * Context: process context + */ +@@ -2493,8 +2533,7 @@ ath_init(struct net_device *dev) + if (sc->sc_softled) + ath_hal_gpioCfgOutput(ah, sc->sc_ledpin); + +- if ((sc->sc_opmode != HAL_M_STA) && sc->sc_hasintmit) +- ath_hal_setintmit(ah, 0); ++ ath_setintmit(sc); + + /* + * This is needed only to setup initial state +@@ -2530,7 +2569,7 @@ ath_init(struct net_device *dev) + * Enable MIB interrupts when there are hardware phy counters. + * Note we only do this (at the moment) for station mode. + */ +- if (sc->sc_needmib && ic->ic_opmode == IEEE80211_M_STA) ++ if (sc->sc_needmib && ath_hal_getintmit(ah, NULL)) + sc->sc_imask |= HAL_INT_MIB; + ath_hal_intrset(ah, sc->sc_imask); + +@@ -2787,9 +2826,7 @@ ath_reset(struct net_device *dev) + EPRINTF(sc, "Unable to reset hardware: '%s' (HAL status %u)\n", + ath_get_hal_status_desc(status), status); + +- if ((sc->sc_opmode != HAL_M_STA) && sc->sc_hasintmit) +- ath_hal_setintmit(ah, 0); +- ++ ath_setintmit(sc); + ath_update_txpow(sc); /* update tx power state */ + ath_radar_update(sc); + ath_setdefantenna(sc, sc->sc_defant); +@@ -4174,6 +4211,8 @@ ath_calcrxfilter(struct ath_softc *sc) + if (sc->sc_nmonvaps > 0) + rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON | + HAL_RX_FILTER_PROBEREQ | HAL_RX_FILTER_PROM); ++ if (sc->sc_hasintmit && !sc->sc_needmib && ath_hal_getintmit(ah, NULL)) ++ rfilt |= HAL_RX_FILTER_PHYERR; + if (sc->sc_curchan.privFlags & CHANNEL_DFS) + rfilt |= (HAL_RX_FILTER_PHYERR | HAL_RX_FILTER_PHYRADAR); + return rfilt; +@@ -6526,9 +6565,6 @@ process_rx_again: + rs->rs_rssi = 0; + + len = rs->rs_datalen; +- /* DMA sync. dies spectacularly if len == 0 */ +- if (len == 0) +- goto rx_next; + + if (rs->rs_more) { + /* +@@ -8876,9 +8912,7 @@ ath_chan_set(struct ath_softc *sc, struc + if (sc->sc_softled) + ath_hal_gpioCfgOutput(ah, sc->sc_ledpin); + +- if ((sc->sc_opmode != HAL_M_STA) && sc->sc_hasintmit) +- ath_hal_setintmit(ah, 0); +- ++ ath_setintmit(sc); + sc->sc_curchan = hchan; + ath_update_txpow(sc); /* update tx power state */ + ath_radar_update(sc); +@@ -10655,9 +10689,54 @@ enum { + ATH_RP_IGNORED = 24, + ATH_RADAR_IGNORED = 25, + ATH_MAXVAPS = 26, ++ ATH_INTMIT = 27, ++ ATH_NOISE_IMMUNITY = 28, ++ ATH_OFDM_WEAK_DET = 29 + }; + + static int ++ath_sysctl_set_intmit(struct ath_softc *sc, long ctl, u_int val) ++{ ++ int ret; ++ ++ switch(ctl) { ++ case ATH_INTMIT: ++ sc->sc_intmit = val; ++ break; ++ case ATH_NOISE_IMMUNITY: ++ sc->sc_noise_immunity = val; ++ break; ++ case ATH_OFDM_WEAK_DET: ++ sc->sc_ofdm_weak_det = val; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ret = ath_setintmit(sc); ++ ath_calcrxfilter(sc); ++ return ret; ++} ++ ++static int ++ath_sysctl_get_intmit(struct ath_softc *sc, long ctl, u_int *val) ++{ ++ struct ath_hal *ah = sc->sc_ah; ++ ++ switch(ctl) { ++ case ATH_INTMIT: ++ *val = (ath_hal_getcapability(ah, HAL_CAP_INTMIT, 1, NULL) == HAL_OK); ++ break; ++ case ATH_NOISE_IMMUNITY: ++ return ath_hal_getcapability(ah, HAL_CAP_INTMIT, 2, val); ++ case ATH_OFDM_WEAK_DET: ++ return ath_hal_getcapability(ah, HAL_CAP_INTMIT, 3, val); ++ default: ++ return -EINVAL; ++ } ++ return 0; ++} ++ ++static int + ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl, write, filp, buffer, lenp, ppos) + { + struct ath_softc *sc = ctl->extra1; +@@ -10843,6 +10922,11 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl + case ATH_RADAR_IGNORED: + sc->sc_radar_ignored = val; + break; ++ case ATH_INTMIT: ++ case ATH_NOISE_IMMUNITY: ++ case ATH_OFDM_WEAK_DET: ++ ret = ath_sysctl_set_intmit(sc, (long)ctl->extra2, val); ++ break; + default: + ret = -EINVAL; + break; +@@ -10909,6 +10993,11 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl + case ATH_RADAR_IGNORED: + val = sc->sc_radar_ignored; + break; ++ case ATH_INTMIT: ++ case ATH_NOISE_IMMUNITY: ++ case ATH_OFDM_WEAK_DET: ++ ret = ath_sysctl_get_intmit(sc, (long)ctl->extra2, &val); ++ break; + default: + ret = -EINVAL; + break; +@@ -11086,6 +11175,24 @@ static const ctl_table ath_sysctl_templa + .proc_handler = ath_sysctl_halparam, + .extra2 = (void *)ATH_RADAR_IGNORED, + }, ++ { .ctl_name = CTL_AUTO, ++ .procname = "intmit", ++ .mode = 0644, ++ .proc_handler = ath_sysctl_halparam, ++ .extra2 = (void *)ATH_INTMIT, ++ }, ++ { .ctl_name = CTL_AUTO, ++ .procname = "noise_immunity", ++ .mode = 0644, ++ .proc_handler = ath_sysctl_halparam, ++ .extra2 = (void *)ATH_NOISE_IMMUNITY, ++ }, ++ { .ctl_name = CTL_AUTO, ++ .procname = "ofdm_weak_det", ++ .mode = 0644, ++ .proc_handler = ath_sysctl_halparam, ++ .extra2 = (void *)ATH_OFDM_WEAK_DET, ++ }, + { 0 } + }; + +--- a/ath/if_athvar.h ++++ b/ath/if_athvar.h +@@ -693,6 +693,10 @@ struct ath_softc { + unsigned int sc_txcont_power; /* Continuous transmit power in 0.5dBm units */ + unsigned int sc_txcont_rate; /* Continuous transmit rate in Mbps */ + ++ int8_t sc_intmit; /* Interference mitigation enabled, -1 = auto, based on mode, 0/1 = off/on */ ++ int8_t sc_noise_immunity; /* Noise immunity level, 0-4, -1 == auto) */ ++ int8_t sc_ofdm_weak_det; /* OFDM weak frames detection, -1 == auto */ ++ + /* rate tables */ + const HAL_RATE_TABLE *sc_rates[IEEE80211_MODE_MAX]; + const HAL_RATE_TABLE *sc_currates; /* current rate table */ +--- a/ath/if_ath_hal.h ++++ b/ath/if_ath_hal.h +@@ -67,14 +67,14 @@ static inline HAL_POWER_MODE ath_hal_get + + static inline HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request, + const void *args, u_int32_t argsize, +- void **result, ++ void *result, + u_int32_t *resultsize) + { + HAL_BOOL ret; + ATH_HAL_LOCK_IRQ(ah->ah_sc); + ath_hal_set_function(__func__); + ret = +- ah->ah_getDiagState(ah, request, args, argsize, *result, ++ ah->ah_getDiagState(ah, request, args, argsize, result, + resultsize); + ath_hal_set_function(NULL); + ATH_HAL_UNLOCK_IRQ(ah->ah_sc); |