void ath_ar_enable(struct ath_softc *sc) { struct ath_dfs *dfs=sc->sc_dfs; struct dfs_ar_state *ar; HAL_CHANNEL *chan= &sc->sc_curchan; HAL_PHYERR_PARAM pe; u_int32_t rfilt=0; if (dfs == NULL) { DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n", __func__); return; } ar = (struct dfs_ar_state *) &dfs->dfs_ar_state; if (dfs->dfs_proc_phyerr & (DFS_RADAR_EN | DFS_AR_EN)) { if ((chan->channel_flags & CHANNEL_108G) == CHANNEL_108G) { /* We are in turbo G, so enable AR */ DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: Enabling AR\n", __func__); dfs_reset_ar(sc); ar->ar_radarrssi = DFS_AR_RADAR_RSSI_THR; rfilt = ath_hal_getrxfilter(sc->sc_ah); pe.pe_firpwr = HAL_PHYERR_PARAM_NOVAL; pe.pe_height = HAL_PHYERR_PARAM_NOVAL; pe.pe_prssi = HAL_PHYERR_PARAM_NOVAL; pe.pe_inband = HAL_PHYERR_PARAM_NOVAL; pe.pe_relpwr = HAL_PHYERR_PARAM_NOVAL; pe.pe_maxlen = HAL_PHYERR_PARAM_NOVAL; pe.pe_relstep = HAL_PHYERR_PARAM_NOVAL; pe.pe_usefir128 = 0; pe.pe_blockradar = 0; pe.pe_enmaxrssi = 0; pe.pe_rrssi = ar->ar_radarrssi; ath_hal_enabledfs(sc->sc_ah, &pe); /* Enable strong signal fast antenna diversity since accurate * 1-2us radar * detection is not important for AR anyways. */ ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); rfilt |= HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(sc->sc_ah, rfilt); } } else { DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: Disabling AR\n", __func__); rfilt = ath_hal_getrxfilter(sc->sc_ah); rfilt &= ~HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(sc->sc_ah,rfilt); /* Enable strong signal fast antenna diversity */ ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); } }
void ath_phyerr_disable(struct ath_softc *sc) { u_int32_t rfilt; rfilt = ath_hal_getrxfilter(sc->sc_ah); rfilt &= ~HAL_RX_FILTER_PHYERR; ath_hal_setrxfilter(sc->sc_ah,rfilt); ath_hal_disablePhyDiag(sc->sc_ah); }
void ath_ar_disable(struct ath_softc *sc) { u_int32_t rfilt; HAL_CHANNEL *chan=&sc->sc_curchan; struct ath_dfs *dfs=sc->sc_dfs; if (dfs == NULL) { DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n", __func__); return; } if ((chan->channel_flags & CHANNEL_108G) == CHANNEL_108G) { /* Enable strong signal fast antenna diversity */ ath_hal_setcapability(sc->sc_ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); rfilt = ath_hal_getrxfilter(sc->sc_ah); rfilt &= ~HAL_RX_FILTER_PHYERR; ath_hal_setrxfilter(sc->sc_ah, rfilt); dfs_reset_ar(sc); dfs_reset_arq(sc); } }
void ath_phyerr_enable(struct ath_softc *sc, struct ieee80211_channel *chan) { u_int32_t rfilt; struct ieee80211com *ic = &sc->sc_ic; u_int32_t index; struct ath_phyerr_state *pe; enum ieee80211_phymode mode; pe = (struct ath_phyerr_state *) sc->sc_phyerr_state; mode = ieee80211_chan2mode(ic, chan); if ((sc->sc_phyerr_cap & (ATH_RADAR_AR_EN | ATH_RADAR_EN)) && (ic->ic_opmode == IEEE80211_M_HOSTAP) && ((mode == IEEE80211_MODE_11A) || (mode == IEEE80211_MODE_TURBO_A) || (mode == IEEE80211_MODE_TURBO_G))) { if (mode == IEEE80211_MODE_TURBO_G) { /* We are in turbo G, so enable AR*/ index = get_radar_chan_index(sc); pe->pe_curRadar = &pe->pe_radarState[index]; ath_reset_ar(sc); pe->pe_curRadar->rad_radarRssi = ATH_AR_RADAR_RSSI_THR; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_RRSSI, pe->pe_curRadar->rad_radarRssi, NULL); } else { ath_reset_radar(sc); index = get_radar_chan_index(sc); pe->pe_curRadar = &pe->pe_radarState[index]; pe->pe_curRadar->rad_firpwr = ATH_RADAR_FIRPWR; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_FIRPWR, (u_int32_t) pe->pe_curRadar->rad_firpwr, NULL); /* XXX - need to Set firpwr */ pe->pe_curRadar->rad_radarRssi = ATH_RADAR_RRSSI; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_RRSSI, pe->pe_curRadar->rad_radarRssi, NULL); pe->pe_curRadar->rad_height = ATH_RADAR_HEIGHT; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_HEIGHT, pe->pe_curRadar->rad_height, NULL); pe->pe_curRadar->rad_pulseRssi = ATH_RADAR_PRSSI; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_PRSSI, pe->pe_curRadar->rad_pulseRssi, NULL); pe->pe_curRadar->rad_inband = ATH_RADAR_INBAND; ath_hal_setcapability(sc->sc_ah, HAL_CAP_PHYDIAG, HAL_CAP_RADAR_INBAND, pe->pe_curRadar->rad_inband, NULL); } rfilt = ath_hal_getrxfilter(sc->sc_ah); rfilt |= HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(sc->sc_ah,rfilt); ath_hal_enablePhyDiag(sc->sc_ah); } else { rfilt = ath_hal_getrxfilter(sc->sc_ah); rfilt &= ~HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(sc->sc_ah,rfilt); } }
int dfs_radar_enable(struct ath_softc *sc) { struct ath_dfs *dfs=sc->sc_dfs; u_int32_t rfilt; HAL_CHANNEL *chan=&sc->sc_curchan; struct ath_hal *ah = sc->sc_ah; HAL_CHANNEL *ext_ch=ath_hal_get_extension_channel(ah); if (dfs == NULL) { DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: sc_dfs is NULL\n", __func__); return -EIO; } rfilt = ath_hal_getrxfilter(ah); if ((dfs->dfs_proc_phyerr & (DFS_RADAR_EN | DFS_AR_EN)) && (sc->sc_opmode == HAL_M_HOSTAP || sc->sc_opmode == HAL_M_IBSS)) { if (chan->privFlags & CHANNEL_DFS) { struct dfs_state *rs_pri=NULL, *rs_ext=NULL; u_int8_t index_pri, index_ext; HAL_PHYERR_PARAM pe; dfs->sc_dfs_cac_time = ATH_DFS_WAIT_MS; if (dfs->dfsdomain == DFS_ETSI_DOMAIN) { if(IS_CHANNEL_WEATHER_RADAR(chan->channel)) { dfs->sc_dfs_cac_time = ATH_DFS_WEATHER_CHANNEL_WAIT_MS; } else { if (ext_ch && IS_CHANNEL_WEATHER_RADAR(ext_ch->channel)) { dfs->sc_dfs_cac_time = ATH_DFS_WEATHER_CHANNEL_WAIT_MS; } } } if(dfs->sc_dfs_cac_time != ATH_DFS_WAIT_MS) printk("WARNING!!! 10 minute CAC period as channel is a weather radar channel\n"); /* Disable radar detection in case we need to setup * a new channel state and radars are somehow being * reported. Avoids locking problem. */ rfilt = ath_hal_getrxfilter(ah); rfilt &= ~HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(ah, rfilt); /* Enable strong signal fast antenna diversity */ ath_hal_setcapability(ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); dfs_reset_alldelaylines(sc); rs_pri = dfs_getchanstate(sc, &index_pri, 0); if (ext_ch) { rs_ext = dfs_getchanstate(sc, &index_ext, 1); sc->sc_extchan = *ext_ch; } if (rs_pri != NULL && ((ext_ch==NULL)||(rs_ext != NULL))) { if (index_pri != dfs->dfs_curchan_radindex) dfs_reset_alldelaylines(sc); dfs->dfs_curchan_radindex = (int16_t) index_pri; if (rs_ext) dfs->dfs_extchan_radindex = (int16_t) index_ext; pe.pe_firpwr = rs_pri->rs_firpwr; pe.pe_rrssi = rs_pri->rs_radarrssi; pe.pe_height = rs_pri->rs_height; pe.pe_prssi = rs_pri->rs_pulserssi; pe.pe_inband = rs_pri->rs_inband; /* 5413 specific */ pe.pe_relpwr = rs_pri->rs_relpwr; pe.pe_relstep = rs_pri->rs_relstep; pe.pe_maxlen = rs_pri->rs_maxlen; /* Disable strong signal fast antenna diversity */ ath_hal_setcapability(ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, 1, NULL); ath_hal_enabledfs(sc->sc_ah, &pe); rfilt |= HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(ah, rfilt); DFS_DPRINTK(sc, ATH_DEBUG_DFS, "Enabled radar detection on channel %d\n", chan->channel); dfs->dur_multiplier = (ath_hal_is_fast_clock_enabled(sc->sc_ah) ? (DFS_FAST_CLOCK_MULTIPLIER) : (DFS_NO_FAST_CLOCK_MULTIPLIER)); DFS_DPRINTK(sc, ATH_DEBUG_DFS3, "%s: duration multiplier is %d\n", __func__, dfs->dur_multiplier); /* * Fast antenna diversity for strong signals disturbs * radar detection of 1-2us pusles. Enable fast diveristy * but disable the strong signal aspect of it */ if (ath_hal_getcapability(ah, HAL_CAP_DIVERSITY, 1, NULL) == HAL_OK) { ath_hal_setcapability(ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, 0, NULL); } } else DFS_DPRINTK(sc, ATH_DEBUG_DFS, "%s: No more radar states left\n", __func__); } else { if (!(chan->channelFlags & CHANNEL_2GHZ)) { /* Enable strong signal fast antenna diversity */ ath_hal_setcapability(ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); /* Disable Radar if not 2GHZ channel and not DFS */ rfilt &= ~HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(ah, rfilt); } } } else { /* Enable strong signal fast antenna diversity */ ath_hal_setcapability(ah, HAL_CAP_DIVERSITY, HAL_CAP_STRONG_DIV, dfs->dfs_rinfo.rn_fastdivGCval, NULL); /* Disable Radar if RADAR or AR not enabled */ rfilt &= ~HAL_RX_FILTER_PHYRADAR; ath_hal_setrxfilter(ah, rfilt); } return 0; }