Author: avos Date: Sun May 1 14:27:27 2016 New Revision: 298877 URL: https://svnweb.freebsd.org/changeset/base/298877
Log: iwm: switch to ieee80211_add_channel() - Switch to ieee80211_add_channel(). - Parse/set more channel flags (DFS, NOADHOC). - Add ic_getradiocaps() method. Reviewed by: adrian Differential Revision: https://reviews.freebsd.org/D6150 Modified: head/sys/dev/iwm/if_iwm.c head/sys/dev/iwm/if_iwmvar.h Modified: head/sys/dev/iwm/if_iwm.c ============================================================================== --- head/sys/dev/iwm/if_iwm.c Sun May 1 08:22:11 2016 (r298876) +++ head/sys/dev/iwm/if_iwm.c Sun May 1 14:27:27 2016 (r298877) @@ -166,12 +166,15 @@ const uint8_t iwm_nvm_channels[] = { /* 2.4 GHz */ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* 5 GHz */ - 36, 40, 44 , 48, 52, 56, 60, 64, + 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 149, 153, 157, 161, 165 }; #define IWM_NUM_2GHZ_CHANNELS 14 +_Static_assert(nitems(iwm_nvm_channels) <= IWM_NUM_CHANNELS, + "IWM_NUM_CHANNELS is too small"); + /* * XXX For now, there's simply a fixed set of rate table entries * that are populated. @@ -241,8 +244,12 @@ static int iwm_nvm_read_chunk(struct iwm uint16_t, uint8_t *, uint16_t *); static int iwm_nvm_read_section(struct iwm_softc *, uint16_t, uint8_t *, uint16_t *); -static void iwm_init_channel_map(struct iwm_softc *, - const uint16_t * const); +static uint32_t iwm_eeprom_channel_flags(uint16_t); +static void iwm_add_channel_band(struct iwm_softc *, + struct ieee80211_channel[], int, int *, int, int, + const uint8_t[]); +static void iwm_init_channel_map(struct ieee80211com *, int, int *, + struct ieee80211_channel[]); static int iwm_parse_nvm_data(struct iwm_softc *, const uint16_t *, const uint16_t *, const uint16_t *, uint8_t, uint8_t); @@ -1634,6 +1641,7 @@ enum nvm_sku_bits { * @IWM_NVM_CHANNEL_IBSS: usable as an IBSS channel * @IWM_NVM_CHANNEL_ACTIVE: active scanning allowed * @IWM_NVM_CHANNEL_RADAR: radar detection required + * XXX cannot find this (DFS) flag in iwl-nvm-parse.c * @IWM_NVM_CHANNEL_DFS: dynamic freq selection candidate * @IWM_NVM_CHANNEL_WIDE: 20 MHz channel okay (?) * @IWM_NVM_CHANNEL_40MHZ: 40 MHz channel okay (?) @@ -1653,97 +1661,91 @@ enum iwm_nvm_channel_flags { }; /* - * Add a channel to the net80211 channel list. - * - * ieee is the ieee channel number - * ch_idx is channel index. - * mode is the channel mode - CHAN_A, CHAN_B, CHAN_G. - * ch_flags is the iwm channel flags. - * - * Return 0 on OK, < 0 on error. + * Translate EEPROM flags to net80211. */ -static int -iwm_init_net80211_channel(struct iwm_softc *sc, int ieee, int ch_idx, - int mode, uint16_t ch_flags) +static uint32_t +iwm_eeprom_channel_flags(uint16_t ch_flags) { - /* XXX for now, no overflow checking! */ - struct ieee80211com *ic = &sc->sc_ic; - int is_5ghz, flags; - struct ieee80211_channel *channel; - - channel = &ic->ic_channels[ic->ic_nchans++]; - channel->ic_ieee = ieee; + uint32_t nflags; - is_5ghz = ch_idx >= IWM_NUM_2GHZ_CHANNELS; - if (!is_5ghz) { - flags = IEEE80211_CHAN_2GHZ; - channel->ic_flags = mode; - } else { - flags = IEEE80211_CHAN_5GHZ; - channel->ic_flags = mode; + nflags = 0; + if ((ch_flags & IWM_NVM_CHANNEL_ACTIVE) == 0) + nflags |= IEEE80211_CHAN_PASSIVE; + if ((ch_flags & IWM_NVM_CHANNEL_IBSS) == 0) + nflags |= IEEE80211_CHAN_NOADHOC; + if (ch_flags & IWM_NVM_CHANNEL_RADAR) { + nflags |= IEEE80211_CHAN_DFS; + /* Just in case. */ + nflags |= IEEE80211_CHAN_NOADHOC; } - channel->ic_freq = ieee80211_ieee2mhz(ieee, flags); - if (!(ch_flags & IWM_NVM_CHANNEL_ACTIVE)) - channel->ic_flags |= IEEE80211_CHAN_PASSIVE; - return (0); + return (nflags); } static void -iwm_init_channel_map(struct iwm_softc *sc, const uint16_t * const nvm_ch_flags) +iwm_add_channel_band(struct iwm_softc *sc, struct ieee80211_channel chans[], + int maxchans, int *nchans, int ch_idx, int ch_num, const uint8_t bands[]) { - struct ieee80211com *ic = &sc->sc_ic; - struct iwm_nvm_data *data = &sc->sc_nvm; - int ch_idx; + const uint16_t * const nvm_ch_flags = sc->sc_nvm.nvm_ch_flags; + uint32_t nflags; uint16_t ch_flags; - int hw_value; + uint8_t ieee; + int error; - for (ch_idx = 0; ch_idx < nitems(iwm_nvm_channels); ch_idx++) { + for (; ch_idx < ch_num; ch_idx++) { ch_flags = le16_to_cpup(nvm_ch_flags + ch_idx); - - if (ch_idx >= IWM_NUM_2GHZ_CHANNELS && - !data->sku_cap_band_52GHz_enable) - ch_flags &= ~IWM_NVM_CHANNEL_VALID; + ieee = iwm_nvm_channels[ch_idx]; if (!(ch_flags & IWM_NVM_CHANNEL_VALID)) { IWM_DPRINTF(sc, IWM_DEBUG_EEPROM, "Ch. %d Flags %x [%sGHz] - No traffic\n", - iwm_nvm_channels[ch_idx], - ch_flags, + ieee, ch_flags, (ch_idx >= IWM_NUM_2GHZ_CHANNELS) ? "5.2" : "2.4"); continue; } - hw_value = iwm_nvm_channels[ch_idx]; - - /* 5GHz? */ - if (ch_idx >= IWM_NUM_2GHZ_CHANNELS) { - (void) iwm_init_net80211_channel(sc, hw_value, - ch_idx, - IEEE80211_CHAN_A, - ch_flags); - } else { - (void) iwm_init_net80211_channel(sc, hw_value, - ch_idx, - IEEE80211_CHAN_B, - ch_flags); - /* If it's not channel 13, also add 11g */ - if (hw_value != 13) - (void) iwm_init_net80211_channel(sc, hw_value, - ch_idx, - IEEE80211_CHAN_G, - ch_flags); - } + nflags = iwm_eeprom_channel_flags(ch_flags); + error = ieee80211_add_channel(chans, maxchans, nchans, + ieee, 0, 0, nflags, bands); + if (error != 0) + break; IWM_DPRINTF(sc, IWM_DEBUG_EEPROM, "Ch. %d Flags %x [%sGHz] - Added\n", - iwm_nvm_channels[ch_idx], - ch_flags, + ieee, ch_flags, (ch_idx >= IWM_NUM_2GHZ_CHANNELS) ? "5.2" : "2.4"); } - ieee80211_sort_channels(ic->ic_channels, ic->ic_nchans); +} + +static void +iwm_init_channel_map(struct ieee80211com *ic, int maxchans, int *nchans, + struct ieee80211_channel chans[]) +{ + struct iwm_softc *sc = ic->ic_softc; + struct iwm_nvm_data *data = &sc->sc_nvm; + uint8_t bands[howmany(IEEE80211_MODE_MAX, 8)]; + + memset(bands, 0, sizeof(bands)); + /* 1-13: 11b/g channels. */ + setbit(bands, IEEE80211_MODE_11B); + setbit(bands, IEEE80211_MODE_11G); + iwm_add_channel_band(sc, chans, maxchans, nchans, 0, + IWM_NUM_2GHZ_CHANNELS - 1, bands); + + /* 14: 11b channel only. */ + clrbit(bands, IEEE80211_MODE_11G); + iwm_add_channel_band(sc, chans, maxchans, nchans, + IWM_NUM_2GHZ_CHANNELS - 1, 1, bands); + + if (data->sku_cap_band_52GHz_enable) { + memset(bands, 0, sizeof(bands)); + setbit(bands, IEEE80211_MODE_11A); + iwm_add_channel_band(sc, chans, maxchans, nchans, + IWM_NUM_2GHZ_CHANNELS, + nitems(iwm_nvm_channels) - IWM_NUM_2GHZ_CHANNELS, bands); + } } static int @@ -1792,7 +1794,8 @@ iwm_parse_nvm_data(struct iwm_softc *sc, data->hw_addr[4] = hw_addr[5]; data->hw_addr[5] = hw_addr[4]; - iwm_init_channel_map(sc, &nvm_sw[IWM_NVM_CHANNELS]); + memcpy(data->nvm_ch_flags, &nvm_sw[IWM_NVM_CHANNELS], + sizeof(data->nvm_ch_flags)); data->calib_version = 255; /* TODO: this value will prevent some checks from failing, we need to check if this @@ -4778,6 +4781,9 @@ iwm_preinit(void *arg) sizeof(ic->ic_sup_rates[IEEE80211_MODE_11A])); IWM_UNLOCK(sc); + iwm_init_channel_map(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, + ic->ic_channels); + /* * At this point we've committed - if we fail to do setup, * we now also have to tear down the net80211 state. @@ -4790,6 +4796,7 @@ iwm_preinit(void *arg) ic->ic_scan_start = iwm_scan_start; ic->ic_scan_end = iwm_scan_end; ic->ic_update_mcast = iwm_update_mcast; + ic->ic_getradiocaps = iwm_init_channel_map; ic->ic_set_channel = iwm_set_channel; ic->ic_scan_curchan = iwm_scan_curchan; ic->ic_scan_mindwell = iwm_scan_mindwell; Modified: head/sys/dev/iwm/if_iwmvar.h ============================================================================== --- head/sys/dev/iwm/if_iwmvar.h Sun May 1 08:22:11 2016 (r298876) +++ head/sys/dev/iwm/if_iwmvar.h Sun May 1 14:27:27 2016 (r298877) @@ -196,6 +196,9 @@ struct iwm_nvm_data { uint8_t radio_cfg_dash; uint8_t radio_cfg_pnum; uint8_t valid_tx_ant, valid_rx_ant; +#define IWM_NUM_CHANNELS 39 + + uint16_t nvm_ch_flags[IWM_NUM_CHANNELS]; uint16_t nvm_version; uint8_t max_tx_pwr_half_dbm; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
