diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 769 |
1 files changed, 53 insertions, 716 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index e4ec40c63396..019a74d533a6 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -61,8 +61,8 @@ #include "debug.h" #include "ani.h" -static int modparam_nohwcrypt; -module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); +int ath5k_modparam_nohwcrypt; +module_param_named(nohwcrypt, ath5k_modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); static int modparam_all_channels; @@ -79,9 +79,8 @@ MODULE_LICENSE("Dual BSD/GPL"); static int ath5k_init(struct ieee80211_hw *hw); static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, bool skip_pcu); -static int ath5k_beacon_update(struct ieee80211_hw *hw, - struct ieee80211_vif *vif); -static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); +int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif); +void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); /* Known SREVs */ static const struct ath5k_srev_name srev_names[] = { @@ -177,38 +176,6 @@ static const struct ieee80211_rate ath5k_rates[] = { /* XR missing */ }; -static inline void ath5k_txbuf_free_skb(struct ath5k_softc *sc, - struct ath5k_buf *bf) -{ - BUG_ON(!bf); - if (!bf->skb) - return; - dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len, - DMA_TO_DEVICE); - dev_kfree_skb_any(bf->skb); - bf->skb = NULL; - bf->skbaddr = 0; - bf->desc->ds_data = 0; -} - -static inline void ath5k_rxbuf_free_skb(struct ath5k_softc *sc, - struct ath5k_buf *bf) -{ - struct ath5k_hw *ah = sc->ah; - struct ath_common *common = ath5k_hw_common(ah); - - BUG_ON(!bf); - if (!bf->skb) - return; - dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize, - DMA_FROM_DEVICE); - dev_kfree_skb_any(bf->skb); - bf->skb = NULL; - bf->skbaddr = 0; - bf->desc->ds_data = 0; -} - - static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp) { u64 tsf = ath5k_hw_get_tsf64(ah); @@ -462,7 +429,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw) * * Called with sc->lock. */ -static int +int ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan) { ATH5K_DBG(sc, ATH5K_DEBUG_RESET, @@ -537,8 +504,9 @@ static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) iter_data->opmode = avf->opmode; } -static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, - struct ieee80211_vif *vif) +void +ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, + struct ieee80211_vif *vif) { struct ath_common *common = ath5k_hw_common(sc->ah); struct ath_vif_iter_data iter_data; @@ -577,7 +545,7 @@ static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask); } -static void +void ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif) { struct ath5k_hw *ah = sc->ah; @@ -887,6 +855,37 @@ err: return ret; } +void +ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf) +{ + BUG_ON(!bf); + if (!bf->skb) + return; + dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len, + DMA_TO_DEVICE); + dev_kfree_skb_any(bf->skb); + bf->skb = NULL; + bf->skbaddr = 0; + bf->desc->ds_data = 0; +} + +void +ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf) +{ + struct ath5k_hw *ah = sc->ah; + struct ath_common *common = ath5k_hw_common(ah); + + BUG_ON(!bf); + if (!bf->skb) + return; + dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize, + DMA_FROM_DEVICE); + dev_kfree_skb_any(bf->skb); + bf->skb = NULL; + bf->skbaddr = 0; + bf->desc->ds_data = 0; +} + static void ath5k_desc_free(struct ath5k_softc *sc) { @@ -1534,8 +1533,9 @@ unlock: * TX Handling * \*************/ -static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ath5k_txq *txq) +int +ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, + struct ath5k_txq *txq) { struct ath5k_softc *sc = hw->priv; struct ath5k_buf *bf; @@ -1801,7 +1801,7 @@ err_unmap: * * Called with the beacon lock. */ -static int +int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { int ret; @@ -1947,7 +1947,7 @@ ath5k_beacon_send(struct ath5k_softc *sc) * when we otherwise know we have to update the timers, but we keep it in this * function to have it all together in one place. */ -static void +void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) { struct ath5k_hw *ah = sc->ah; @@ -2049,7 +2049,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) * In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA * interrupts to detect TSF updates only. */ -static void +void ath5k_beacon_config(struct ath5k_softc *sc) { struct ath5k_hw *ah = sc->ah; @@ -2525,7 +2525,7 @@ ath5k_stop_locked(struct ath5k_softc *sc) return 0; } -static int +int ath5k_init_hw(struct ath5k_softc *sc) { struct ath5k_hw *ah = sc->ah; @@ -2601,7 +2601,7 @@ static void stop_tasklets(struct ath5k_softc *sc) * if another thread does a system call and the thread doing the * stop is preempted). */ -static int +int ath5k_stop_hw(struct ath5k_softc *sc) { int ret; @@ -2703,11 +2703,11 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, /* clear survey data and cycle counters */ memset(&sc->survey, 0, sizeof(sc->survey)); - spin_lock(&common->cc_lock); + spin_lock_bh(&common->cc_lock); ath_hw_cycle_counters_update(common); memset(&common->cc_survey, 0, sizeof(common->cc_survey)); memset(&common->cc_ani, 0, sizeof(common->cc_ani)); - spin_unlock(&common->cc_lock); + spin_unlock_bh(&common->cc_lock); /* * Change channels and update the h/w rate map if we're switching; @@ -2939,230 +2939,8 @@ ath5k_deinit_softc(struct ath5k_softc *sc) free_irq(sc->irq, sc); } -/********************\ -* Mac80211 functions * -\********************/ - -static int -ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct ath5k_softc *sc = hw->priv; - u16 qnum = skb_get_queue_mapping(skb); - - if (WARN_ON(qnum >= sc->ah->ah_capabilities.cap_queues.q_tx_num)) { - dev_kfree_skb_any(skb); - return 0; - } - - return ath5k_tx_queue(hw, skb, &sc->txqs[qnum]); -} - -static int ath5k_start(struct ieee80211_hw *hw) -{ - return ath5k_init_hw(hw->priv); -} - -static void ath5k_stop(struct ieee80211_hw *hw) -{ - ath5k_stop_hw(hw->priv); -} - -static int ath5k_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct ath5k_softc *sc = hw->priv; - int ret; - struct ath5k_vif *avf = (void *)vif->drv_priv; - - mutex_lock(&sc->lock); - - if ((vif->type == NL80211_IFTYPE_AP || - vif->type == NL80211_IFTYPE_ADHOC) - && (sc->num_ap_vifs + sc->num_adhoc_vifs) >= ATH_BCBUF) { - ret = -ELNRNG; - goto end; - } - - /* Don't allow other interfaces if one ad-hoc is configured. - * TODO: Fix the problems with ad-hoc and multiple other interfaces. - * We would need to operate the HW in ad-hoc mode to allow TSF updates - * for the IBSS, but this breaks with additional AP or STA interfaces - * at the moment. */ - if (sc->num_adhoc_vifs || - (sc->nvifs && vif->type == NL80211_IFTYPE_ADHOC)) { - ATH5K_ERR(sc, "Only one single ad-hoc interface is allowed.\n"); - ret = -ELNRNG; - goto end; - } - - switch (vif->type) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_STATION: - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_MESH_POINT: - avf->opmode = vif->type; - break; - default: - ret = -EOPNOTSUPP; - goto end; - } - - sc->nvifs++; - ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "add interface mode %d\n", avf->opmode); - - /* Assign the vap/adhoc to a beacon xmit slot. */ - if ((avf->opmode == NL80211_IFTYPE_AP) || - (avf->opmode == NL80211_IFTYPE_ADHOC) || - (avf->opmode == NL80211_IFTYPE_MESH_POINT)) { - int slot; - - WARN_ON(list_empty(&sc->bcbuf)); - avf->bbuf = list_first_entry(&sc->bcbuf, struct ath5k_buf, - list); - list_del(&avf->bbuf->list); - - avf->bslot = 0; - for (slot = 0; slot < ATH_BCBUF; slot++) { - if (!sc->bslot[slot]) { - avf->bslot = slot; - break; - } - } - BUG_ON(sc->bslot[avf->bslot] != NULL); - sc->bslot[avf->bslot] = vif; - if (avf->opmode == NL80211_IFTYPE_AP) - sc->num_ap_vifs++; - else if (avf->opmode == NL80211_IFTYPE_ADHOC) - sc->num_adhoc_vifs++; - } - - /* Any MAC address is fine, all others are included through the - * filter. - */ - memcpy(&sc->lladdr, vif->addr, ETH_ALEN); - ath5k_hw_set_lladdr(sc->ah, vif->addr); - - memcpy(&avf->lladdr, vif->addr, ETH_ALEN); - - ath5k_mode_setup(sc, vif); - - ret = 0; -end: - mutex_unlock(&sc->lock); - return ret; -} - -static void -ath5k_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct ath5k_softc *sc = hw->priv; - struct ath5k_vif *avf = (void *)vif->drv_priv; - unsigned int i; - - mutex_lock(&sc->lock); - sc->nvifs--; - - if (avf->bbuf) { - ath5k_txbuf_free_skb(sc, avf->bbuf); - list_add_tail(&avf->bbuf->list, &sc->bcbuf); - for (i = 0; i < ATH_BCBUF; i++) { - if (sc->bslot[i] == vif) { - sc->bslot[i] = NULL; - break; - } - } - avf->bbuf = NULL; - } - if (avf->opmode == NL80211_IFTYPE_AP) - sc->num_ap_vifs--; - else if (avf->opmode == NL80211_IFTYPE_ADHOC) - sc->num_adhoc_vifs--; - - ath5k_update_bssid_mask_and_opmode(sc, NULL); - mutex_unlock(&sc->lock); -} - -/* - * TODO: Phy disable/diversity etc - */ -static int -ath5k_config(struct ieee80211_hw *hw, u32 changed) -{ - struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - struct ieee80211_conf *conf = &hw->conf; - int ret = 0; - - mutex_lock(&sc->lock); - - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - ret = ath5k_chan_set(sc, conf->channel); - if (ret < 0) - goto unlock; - } - - if ((changed & IEEE80211_CONF_CHANGE_POWER) && - (sc->power_level != conf->power_level)) { - sc->power_level = conf->power_level; - - /* Half dB steps */ - ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2)); - } - - /* TODO: - * 1) Move this on config_interface and handle each case - * separately eg. when we have only one STA vif, use - * AR5K_ANTMODE_SINGLE_AP - * - * 2) Allow the user to change antenna mode eg. when only - * one antenna is present - * - * 3) Allow the user to set default/tx antenna when possible - * - * 4) Default mode should handle 90% of the cases, together - * with fixed a/b and single AP modes we should be able to - * handle 99%. Sectored modes are extreme cases and i still - * haven't found a usage for them. If we decide to support them, - * then we must allow the user to set how many tx antennas we - * have available - */ - ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode); - -unlock: - mutex_unlock(&sc->lock); - return ret; -} - -static u64 ath5k_prepare_multicast(struct ieee80211_hw *hw, - struct netdev_hw_addr_list *mc_list) -{ - u32 mfilt[2], val; - u8 pos; - struct netdev_hw_addr *ha; - - mfilt[0] = 0; - mfilt[1] = 1; - - netdev_hw_addr_list_for_each(ha, mc_list) { - /* calculate XOR of eight 6-bit values */ - val = get_unaligned_le32(ha->addr + 0); - pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val; - val = get_unaligned_le32(ha->addr + 3); - pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val; - pos &= 0x3f; - mfilt[pos / 32] |= (1 << (pos % 32)); - /* XXX: we might be able to just do this instead, - * but not sure, needs testing, if we do use this we'd - * neet to inform below to not reset the mcast */ - /* ath5k_hw_set_mcast_filterindex(ah, - * ha->addr[5]); */ - } - - return ((u64)(mfilt[1]) << 32) | mfilt[0]; -} - -static bool ath_any_vif_assoc(struct ath5k_softc *sc) +bool +ath_any_vif_assoc(struct ath5k_softc *sc) { struct ath_vif_iter_data iter_data; iter_data.hw_macaddr = NULL; @@ -3175,262 +2953,7 @@ static bool ath_any_vif_assoc(struct ath5k_softc *sc) return iter_data.any_assoc; } -#define SUPPORTED_FIF_FLAGS \ - FIF_PROMISC_IN_BSS | FIF_ALLMULTI | FIF_FCSFAIL | \ - FIF_PLCPFAIL | FIF_CONTROL | FIF_OTHER_BSS | \ - FIF_BCN_PRBRESP_PROMISC -/* - * o always accept unicast, broadcast, and multicast traffic - * o multicast traffic for all BSSIDs will be enabled if mac80211 - * says it should be - * o maintain current state of phy ofdm or phy cck error reception. - * If the hardware detects any of these type of errors then - * ath5k_hw_get_rx_filter() will pass to us the respective - * hardware filters to be able to receive these type of frames. - * o probe request frames are accepted only when operating in - * hostap, adhoc, or monitor modes - * o enable promiscuous mode according to the interface state - * o accept beacons: - * - when operating in adhoc mode so the 802.11 layer creates - * node table entries for peers, - * - when operating in station mode for collecting rssi data when - * the station is otherwise quiet, or - * - when scanning - */ -static void ath5k_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *new_flags, - u64 multicast) -{ - struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - u32 mfilt[2], rfilt; - - mutex_lock(&sc->lock); - - mfilt[0] = multicast; - mfilt[1] = multicast >> 32; - - /* Only deal with supported flags */ - changed_flags &= SUPPORTED_FIF_FLAGS; - *new_flags &= SUPPORTED_FIF_FLAGS; - - /* If HW detects any phy or radar errors, leave those filters on. - * Also, always enable Unicast, Broadcasts and Multicast - * XXX: move unicast, bssid broadcasts and multicast to mac80211 */ - rfilt = (ath5k_hw_get_rx_filter(ah) & (AR5K_RX_FILTER_PHYERR)) | - (AR5K_RX_FILTER_UCAST | AR5K_RX_FILTER_BCAST | - AR5K_RX_FILTER_MCAST); - - if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) { - if (*new_flags & FIF_PROMISC_IN_BSS) { - __set_bit(ATH_STAT_PROMISC, sc->status); - } else { - __clear_bit(ATH_STAT_PROMISC, sc->status); - } - } - - if (test_bit(ATH_STAT_PROMISC, sc->status)) - rfilt |= AR5K_RX_FILTER_PROM; - - /* Note, AR5K_RX_FILTER_MCAST is already enabled */ - if (*new_flags & FIF_ALLMULTI) { - mfilt[0] = ~0; - mfilt[1] = ~0; - } - - /* This is the best we can do */ - if (*new_flags & (FIF_FCSFAIL | FIF_PLCPFAIL)) - rfilt |= AR5K_RX_FILTER_PHYERR; - - /* FIF_BCN_PRBRESP_PROMISC really means to enable beacons - * and probes for any BSSID */ - if ((*new_flags & FIF_BCN_PRBRESP_PROMISC) || (sc->nvifs > 1)) - rfilt |= AR5K_RX_FILTER_BEACON; - - /* FIF_CONTROL doc says that if FIF_PROMISC_IN_BSS is not - * set we should only pass on control frames for this - * station. This needs testing. I believe right now this - * enables *all* control frames, which is OK.. but - * but we should see if we can improve on granularity */ - if (*new_flags & FIF_CONTROL) - rfilt |= AR5K_RX_FILTER_CONTROL; - - /* Additional settings per mode -- this is per ath5k */ - - /* XXX move these to mac80211, and add a beacon IFF flag to mac80211 */ - - switch (sc->opmode) { - case NL80211_IFTYPE_MESH_POINT: - rfilt |= AR5K_RX_FILTER_CONTROL | - AR5K_RX_FILTER_BEACON | - AR5K_RX_FILTER_PROBEREQ | - AR5K_RX_FILTER_PROM; - break; - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_ADHOC: - rfilt |= AR5K_RX_FILTER_PROBEREQ | - AR5K_RX_FILTER_BEACON; - break; - case NL80211_IFTYPE_STATION: - if (sc->assoc) - rfilt |= AR5K_RX_FILTER_BEACON; - default: - break; - } - - /* Set filters */ - ath5k_hw_set_rx_filter(ah, rfilt); - - /* Set multicast bits */ - ath5k_hw_set_mcast_filter(ah, mfilt[0], mfilt[1]); - /* Set the cached hw filter flags, this will later actually - * be set in HW */ - sc->filter_flags = rfilt; - - mutex_unlock(&sc->lock); -} - -static int -ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) -{ - struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - struct ath_common *common = ath5k_hw_common(ah); - int ret = 0; - - if (modparam_nohwcrypt) - return -EOPNOTSUPP; - - switch (key->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - case WLAN_CIPHER_SUITE_TKIP: - break; - case WLAN_CIPHER_SUITE_CCMP: - if (common->crypt_caps & ATH_CRYPT_CAP_CIPHER_AESCCM) - break; - return -EOPNOTSUPP; - default: - WARN_ON(1); - return -EINVAL; - } - - mutex_lock(&sc->lock); - - switch (cmd) { - case SET_KEY: - ret = ath_key_config(common, vif, sta, key); - if (ret >= 0) { - key->hw_key_idx = ret; - /* push IV and Michael MIC generation to stack */ - key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; - if (key->cipher == WLAN_CIPHER_SUITE_TKIP) - key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - if (key->cipher == WLAN_CIPHER_SUITE_CCMP) - key->flags |= IEEE80211_KEY_FLAG_SW_MGMT; - ret = 0; - } - break; - case DISABLE_KEY: - ath_key_delete(common, key); - break; - default: - ret = -EINVAL; - } - - mmiowb(); - mutex_unlock(&sc->lock); - return ret; -} - -static int -ath5k_get_stats(struct ieee80211_hw *hw, - struct ieee80211_low_level_stats *stats) -{ - struct ath5k_softc *sc = hw->priv; - - /* Force update */ - ath5k_hw_update_mib_counters(sc->ah); - - stats->dot11ACKFailureCount = sc->stats.ack_fail; - stats->dot11RTSFailureCount = sc->stats.rts_fail; - stats->dot11RTSSuccessCount = sc->stats.rts_ok; - stats->dot11FCSErrorCount = sc->stats.fcs_error; - - return 0; -} - -static int ath5k_get_survey(struct ieee80211_hw *hw, int idx, - struct survey_info *survey) -{ - struct ath5k_softc *sc = hw->priv; - struct ieee80211_conf *conf = &hw->conf; - struct ath_common *common = ath5k_hw_common(sc->ah); - struct ath_cycle_counters *cc = &common->cc_survey; - unsigned int div = common->clockrate * 1000; - - if (idx != 0) - return -ENOENT; - - spin_lock_bh(&common->cc_lock); - ath_hw_cycle_counters_update(common); - if (cc->cycles > 0) { - sc->survey.channel_time += cc->cycles / div; - sc->survey.channel_time_busy += cc->rx_busy / div; - sc->survey.channel_time_rx += cc->rx_frame / div; - sc->survey.channel_time_tx += cc->tx_frame / div; - } - memset(cc, 0, sizeof(*cc)); - spin_unlock_bh(&common->cc_lock); - - memcpy(survey, &sc->survey, sizeof(*survey)); - - survey->channel = conf->channel; - survey->noise = sc->ah->ah_noise_floor; - survey->filled = SURVEY_INFO_NOISE_DBM | - SURVEY_INFO_CHANNEL_TIME | - SURVEY_INFO_CHANNEL_TIME_BUSY | - SURVEY_INFO_CHANNEL_TIME_RX | - SURVEY_INFO_CHANNEL_TIME_TX; - - return 0; -} - -static u64 -ath5k_get_tsf(struct ieee80211_hw *hw) -{ - struct ath5k_softc *sc = hw->priv; - - return ath5k_hw_get_tsf64(sc->ah); -} - -static void -ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf) -{ - struct ath5k_softc *sc = hw->priv; - - ath5k_hw_set_tsf64(sc->ah, tsf); -} - -static void -ath5k_reset_tsf(struct ieee80211_hw *hw) -{ - struct ath5k_softc *sc = hw->priv; - - /* - * in IBSS mode we need to update the beacon timers too. - * this will also reset the TSF if we call it with 0 - */ - if (sc->opmode == NL80211_IFTYPE_ADHOC) - ath5k_beacon_update_timers(sc, 0); - else - ath5k_hw_reset_tsf(sc->ah); -} - -static void +void set_beacon_filter(struct ieee80211_hw *hw, bool enable) { struct ath5k_softc *sc = hw->priv; @@ -3444,189 +2967,3 @@ set_beacon_filter(struct ieee80211_hw *hw, bool enable) ath5k_hw_set_rx_filter(ah, rfilt); sc->filter_flags = rfilt; } - -static void ath5k_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf, - u32 changes) -{ - struct ath5k_vif *avf = (void *)vif->drv_priv; - struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - struct ath_common *common = ath5k_hw_common(ah); - unsigned long flags; - - mutex_lock(&sc->lock); - - if (changes & BSS_CHANGED_BSSID) { - /* Cache for later use during resets */ - memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); - common->curaid = 0; - ath5k_hw_set_bssid(ah); - mmiowb(); - } - - if (changes & BSS_CHANGED_BEACON_INT) - sc->bintval = bss_conf->beacon_int; - - if (changes & BSS_CHANGED_ASSOC) { - avf->assoc = bss_conf->assoc; - if (bss_conf->assoc) - sc->assoc = bss_conf->assoc; - else - sc->assoc = ath_any_vif_assoc(sc); - - if (sc->opmode == NL80211_IFTYPE_STATION) - set_beacon_filter(hw, sc->assoc); - ath5k_hw_set_ledstate(sc->ah, sc->assoc ? - AR5K_LED_ASSOC : AR5K_LED_INIT); - if (bss_conf->assoc) { - ATH5K_DBG(sc, ATH5K_DEBUG_ANY, - "Bss Info ASSOC %d, bssid: %pM\n", - bss_conf->aid, common->curbssid); - common->curaid = bss_conf->aid; - ath5k_hw_set_bssid(ah); - /* Once ANI is available you would start it here */ - } - } - - if (changes & BSS_CHANGED_BEACON) { - spin_lock_irqsave(&sc->block, flags); - ath5k_beacon_update(hw, vif); - spin_unlock_irqrestore(&sc->block, flags); - } - - if (changes & BSS_CHANGED_BEACON_ENABLED) - sc->enable_beacon = bss_conf->enable_beacon; - - if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED | - BSS_CHANGED_BEACON_INT)) - ath5k_beacon_config(sc); - - mutex_unlock(&sc->lock); -} - -static void ath5k_sw_scan_start(struct ieee80211_hw *hw) -{ - struct ath5k_softc *sc = hw->priv; - if (!sc->assoc) - ath5k_hw_set_ledstate(sc->ah, AR5K_LED_SCAN); -} - -static void ath5k_sw_scan_complete(struct ieee80211_hw *hw) -{ - struct ath5k_softc *sc = hw->priv; - ath5k_hw_set_ledstate(sc->ah, sc->assoc ? - AR5K_LED_ASSOC : AR5K_LED_INIT); -} - -/** - * ath5k_set_coverage_class - Set IEEE 802.11 coverage class - * - * @hw: struct ieee80211_hw pointer - * @coverage_class: IEEE 802.11 coverage class number - * - * Mac80211 callback. Sets slot time, ACK timeout and CTS timeout for given - * coverage class. The values are persistent, they are restored after device - * reset. - */ -static void ath5k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class) -{ - struct ath5k_softc *sc = hw->priv; - - mutex_lock(&sc->lock); - ath5k_hw_set_coverage_class(sc->ah, coverage_class); - mutex_unlock(&sc->lock); -} - -static int ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct ath5k_softc *sc = hw->priv; - struct ath5k_hw *ah = sc->ah; - struct ath5k_txq_info qi; - int ret = 0; - - if (queue >= ah->ah_capabilities.cap_queues.q_tx_num) - return 0; - - mutex_lock(&sc->lock); - - ath5k_hw_get_tx_queueprops(ah, queue, &qi); - - qi.tqi_aifs = params->aifs; - qi.tqi_cw_min = params->cw_min; - qi.tqi_cw_max = params->cw_max; - qi.tqi_burst_time = params->txop; - - ATH5K_DBG(sc, ATH5K_DEBUG_ANY, - "Configure tx [queue %d], " - "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", - queue, params->aifs, params->cw_min, - params->cw_max, params->txop); - - if (ath5k_hw_set_tx_queueprops(ah, queue, &qi)) { - ATH5K_ERR(sc, - "Unable to update hardware queue %u!\n", queue); - ret = -EIO; - } else - ath5k_hw_reset_tx_queue(ah, queue); - - mutex_unlock(&sc->lock); - - return ret; -} - -static int ath5k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) -{ - struct ath5k_softc *sc = hw->priv; - - if (tx_ant == 1 && rx_ant == 1) - ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A); - else if (tx_ant == 2 && rx_ant == 2) - ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B); - else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3) - ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT); - else - return -EINVAL; - return 0; -} - -static int ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) -{ - struct ath5k_softc *sc = hw->priv; - - switch (sc->ah->ah_ant_mode) { - case AR5K_ANTMODE_FIXED_A: - *tx_ant = 1; *rx_ant = 1; break; - case AR5K_ANTMODE_FIXED_B: - *tx_ant = 2; *rx_ant = 2; break; - case AR5K_ANTMODE_DEFAULT: - *tx_ant = 3; *rx_ant = 3; break; - } - return 0; -} - -const struct ieee80211_ops ath5k_hw_ops = { - .tx = ath5k_tx, - .start = ath5k_start, - .stop = ath5k_stop, - .add_interface = ath5k_add_interface, - .remove_interface = ath5k_remove_interface, - .config = ath5k_config, - .prepare_multicast = ath5k_prepare_multicast, - .configure_filter = ath5k_configure_filter, - .set_key = ath5k_set_key, - .get_stats = ath5k_get_stats, - .get_survey = ath5k_get_survey, - .conf_tx = ath5k_conf_tx, - .get_tsf = ath5k_get_tsf, - .set_tsf = ath5k_set_tsf, - .reset_tsf = ath5k_reset_tsf, - .bss_info_changed = ath5k_bss_info_changed, - .sw_scan_start = ath5k_sw_scan_start, - .sw_scan_complete = ath5k_sw_scan_complete, - .set_coverage_class = ath5k_set_coverage_class, - .set_antenna = ath5k_set_antenna, - .get_antenna = ath5k_get_antenna, -}; |
