X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fiwlwifi%2Fiwl4965-base.c;h=516508f5fd49cdf161ee1a5891ac2911e7569433;hb=a326a5d096f031af46c0073dd78eb80dea1f311a;hp=2073ba686f35aef79aecd1532f412815a0275b89;hpb=e7d326ac437e9e9425dcd79382f4e5f6ca31fb16;p=deliverable%2Flinux.git diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 2073ba686f35..516508f5fd49 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -192,7 +192,7 @@ static int iwl4965_full_rxon_required(struct iwl_priv *priv) { /* These items are only settable from the full RXON command */ - if (!(priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) || + if (!(iwl_is_associated(priv)) || compare_ether_addr(priv->staging_rxon.bssid_addr, priv->active_rxon.bssid_addr) || compare_ether_addr(priv->staging_rxon.node_addr, @@ -241,16 +241,21 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) /* cast away the const for active_rxon in this function */ struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon; DECLARE_MAC_BUF(mac); - int rc = 0; + int ret; + bool new_assoc = + !!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK); if (!iwl_is_alive(priv)) - return -1; + return -EBUSY; /* always get timestamp with Rx frame */ priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK; + /* allow CTS-to-self if possible. this is relevant only for + * 5000, but will not damage 4965 */ + priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN; - rc = iwl4965_check_rxon_cmd(&priv->staging_rxon); - if (rc) { + ret = iwl4965_check_rxon_cmd(&priv->staging_rxon); + if (ret) { IWL_ERROR("Invalid RXON configuration. Not committing.\n"); return -EINVAL; } @@ -259,15 +264,13 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) * iwl4965_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ if (!iwl4965_full_rxon_required(priv)) { - rc = iwl_send_rxon_assoc(priv); - if (rc) { - IWL_ERROR("Error setting RXON_ASSOC " - "configuration (%d).\n", rc); - return rc; + ret = iwl_send_rxon_assoc(priv); + if (ret) { + IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret); + return ret; } memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); - return 0; } @@ -278,22 +281,20 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) * an RXON_ASSOC and the new config wants the associated mask enabled, * we must clear the associated from the active configuration * before we apply the new config */ - if (iwl_is_associated(priv) && - (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) { + if (iwl_is_associated(priv) && new_assoc) { IWL_DEBUG_INFO("Toggling associated bit on current RXON\n"); active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, + ret = iwl_send_cmd_pdu(priv, REPLY_RXON, sizeof(struct iwl_rxon_cmd), &priv->active_rxon); /* If the mask clearing failed then we set * active_rxon back to what it was previously */ - if (rc) { + if (ret) { active_rxon->filter_flags |= RXON_FILTER_ASSOC_MSK; - IWL_ERROR("Error clearing ASSOC_MSK on current " - "configuration (%d).\n", rc); - return rc; + IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret); + return ret; } } @@ -301,58 +302,75 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv) "* with%s RXON_FILTER_ASSOC_MSK\n" "* channel = %d\n" "* bssid = %s\n", - ((priv->staging_rxon.filter_flags & - RXON_FILTER_ASSOC_MSK) ? "" : "out"), + (new_assoc ? "" : "out"), le16_to_cpu(priv->staging_rxon.channel), print_mac(mac, priv->staging_rxon.bssid_addr)); iwl4965_set_rxon_hwcrypto(priv, !priv->hw_params.sw_crypto); - /* Apply the new configuration */ - rc = iwl_send_cmd_pdu(priv, REPLY_RXON, + + /* Apply the new configuration + * RXON unassoc clears the station table in uCode, send it before + * we add the bcast station. If assoc bit is set, we will send RXON + * after having added the bcast and bssid station. + */ + if (!new_assoc) { + ret = iwl_send_cmd_pdu(priv, REPLY_RXON, sizeof(struct iwl_rxon_cmd), &priv->staging_rxon); - if (rc) { - IWL_ERROR("Error setting new configuration (%d).\n", rc); - return rc; + if (ret) { + IWL_ERROR("Error setting new RXON (%d)\n", ret); + return ret; + } + memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); } - iwl_remove_station(priv, iwl_bcast_addr, 0); - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); if (!priv->error_recovering) priv->start_calib = 0; iwl_init_sensitivity(priv); - memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); - /* If we issue a new RXON command which required a tune then we must * send a new TXPOWER command or we won't be able to Tx any frames */ - rc = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); - if (rc) { - IWL_ERROR("Error sending TX power (%d).\n", rc); - return rc; + ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true); + if (ret) { + IWL_ERROR("Error sending TX power (%d)\n", ret); + return ret; } /* Add the broadcast address so we can send broadcast frames */ if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) == - IWL_INVALID_STATION) { + IWL_INVALID_STATION) { IWL_ERROR("Error adding BROADCAST address for transmit.\n"); return -EIO; } /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ - if (iwl_is_associated(priv) && - (priv->iw_mode == IEEE80211_IF_TYPE_STA)) { - if (iwl_rxon_add_station(priv, priv->active_rxon.bssid_addr, 1) - == IWL_INVALID_STATION) { - IWL_ERROR("Error adding AP address for transmit.\n"); - return -EIO; + if (new_assoc) { + if (priv->iw_mode == IEEE80211_IF_TYPE_STA) { + ret = iwl_rxon_add_station(priv, + priv->active_rxon.bssid_addr, 1); + if (ret == IWL_INVALID_STATION) { + IWL_ERROR("Error adding AP address for TX.\n"); + return -EIO; + } + priv->assoc_station_added = 1; + if (priv->default_wep_key && + iwl_send_static_wepkey_cmd(priv, 0)) + IWL_ERROR("Could not send WEP static key.\n"); } - priv->assoc_station_added = 1; - if (priv->default_wep_key && - iwl_send_static_wepkey_cmd(priv, 0)) - IWL_ERROR("Could not send WEP static key.\n"); + + /* Apply the new configuration + * RXON assoc doesn't clear the station table in uCode, + */ + ret = iwl_send_cmd_pdu(priv, REPLY_RXON, + sizeof(struct iwl_rxon_cmd), &priv->staging_rxon); + if (ret) { + IWL_ERROR("Error setting new RXON (%d)\n", ret); + return ret; + } + memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); } return 0; @@ -379,28 +397,6 @@ static int iwl4965_send_bt_config(struct iwl_priv *priv) sizeof(struct iwl4965_bt_cmd), &bt_cmd); } -/* - * CARD_STATE_CMD - * - * Use: Sets the device's internal card state to enable, disable, or halt - * - * When in the 'enable' state the card operates as normal. - * When in the 'disable' state, the card enters into a low power mode. - * When in the 'halt' state, the card is shut down and must be fully - * restarted to come back on. - */ -static int iwl4965_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) -{ - struct iwl_host_cmd cmd = { - .id = REPLY_CARD_STATE_CMD, - .len = sizeof(u32), - .data = &flags, - .meta.flags = meta_flag, - }; - - return iwl_send_cmd(priv, &cmd); -} - static void iwl_clear_free_frames(struct iwl_priv *priv) { struct list_head *element; @@ -623,50 +619,6 @@ static void iwl4965_activate_qos(struct iwl_priv *priv, u8 force) } } -int iwl4965_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) -{ - /* Filter incoming packets to determine if they are targeted toward - * this network, discarding packets coming from ourselves */ - switch (priv->iw_mode) { - case IEEE80211_IF_TYPE_IBSS: /* Header: Dest. | Source | BSSID */ - /* packets from our adapter are dropped (echo) */ - if (!compare_ether_addr(header->addr2, priv->mac_addr)) - return 0; - /* {broad,multi}cast packets to our IBSS go through */ - if (is_multicast_ether_addr(header->addr1)) - return !compare_ether_addr(header->addr3, priv->bssid); - /* packets to our adapter go through */ - return !compare_ether_addr(header->addr1, priv->mac_addr); - case IEEE80211_IF_TYPE_STA: /* Header: Dest. | AP{BSSID} | Source */ - /* packets from our adapter are dropped (echo) */ - if (!compare_ether_addr(header->addr3, priv->mac_addr)) - return 0; - /* {broad,multi}cast packets to our BSS go through */ - if (is_multicast_ether_addr(header->addr1)) - return !compare_ether_addr(header->addr2, priv->bssid); - /* packets to our adapter go through */ - return !compare_ether_addr(header->addr1, priv->mac_addr); - default: - break; - } - - return 1; -} - -static void iwl4965_sequence_reset(struct iwl_priv *priv) -{ - /* Reset ieee stats */ - - /* We don't reset the net_device_stats (ieee->stats) on - * re-association */ - - priv->last_seq_num = -1; - priv->last_frag_num = -1; - priv->last_packet_time = 0; - - iwl_scan_cancel(priv); -} - #define MAX_UCODE_BEACON_INTERVAL 4096 #define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA) @@ -809,7 +761,7 @@ static void iwl4965_connection_init_rx_config(struct iwl_priv *priv) #endif ch_info = iwl_get_channel_info(priv, priv->band, - le16_to_cpu(priv->staging_rxon.channel)); + le16_to_cpu(priv->active_rxon.channel)); if (!ch_info) ch_info = &priv->channel_info[0]; @@ -845,13 +797,10 @@ static int iwl4965_set_mode(struct iwl_priv *priv, int mode) { priv->iw_mode = mode; - /* init channel/phymode to values given at driver init */ - iwl_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); - iwl4965_connection_init_rx_config(priv); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); /* dont commit rxon if rf-kill is on*/ if (!iwl_is_ready_rf(priv)) @@ -916,130 +865,6 @@ static void iwl4965_set_rate(struct iwl_priv *priv) (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF; } -int iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio) -{ - unsigned long flags; - - if (!!disable_radio == test_bit(STATUS_RF_KILL_SW, &priv->status)) - return 0; - - IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO %s\n", - disable_radio ? "OFF" : "ON"); - - if (disable_radio) { - iwl_scan_cancel(priv); - /* FIXME: This is a workaround for AP */ - if (priv->iw_mode != IEEE80211_IF_TYPE_AP) { - spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_SW_BIT_RFKILL); - spin_unlock_irqrestore(&priv->lock, flags); - /* call the host command only if no hw rf-kill set */ - if (!test_bit(STATUS_RF_KILL_HW, &priv->status) && - iwl_is_ready(priv)) - iwl4965_send_card_state(priv, - CARD_STATE_CMD_DISABLE, - 0); - set_bit(STATUS_RF_KILL_SW, &priv->status); - - /* make sure mac80211 stop sending Tx frame */ - if (priv->mac80211_registered) - ieee80211_stop_queues(priv->hw); - } - return 0; - } - - spin_lock_irqsave(&priv->lock, flags); - iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - - clear_bit(STATUS_RF_KILL_SW, &priv->status); - spin_unlock_irqrestore(&priv->lock, flags); - - /* wake up ucode */ - msleep(10); - - spin_lock_irqsave(&priv->lock, flags); - iwl_read32(priv, CSR_UCODE_DRV_GP1); - if (!iwl_grab_nic_access(priv)) - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { - IWL_DEBUG_RF_KILL("Can not turn radio back on - " - "disabled by HW switch\n"); - return 0; - } - - queue_work(priv->workqueue, &priv->restart); - return 1; -} - -#define IWL_PACKET_RETRY_TIME HZ - -int iwl4965_is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header) -{ - u16 sc = le16_to_cpu(header->seq_ctrl); - u16 seq = (sc & IEEE80211_SCTL_SEQ) >> 4; - u16 frag = sc & IEEE80211_SCTL_FRAG; - u16 *last_seq, *last_frag; - unsigned long *last_time; - - switch (priv->iw_mode) { - case IEEE80211_IF_TYPE_IBSS:{ - struct list_head *p; - struct iwl4965_ibss_seq *entry = NULL; - u8 *mac = header->addr2; - int index = mac[5] & (IWL_IBSS_MAC_HASH_SIZE - 1); - - __list_for_each(p, &priv->ibss_mac_hash[index]) { - entry = list_entry(p, struct iwl4965_ibss_seq, list); - if (!compare_ether_addr(entry->mac, mac)) - break; - } - if (p == &priv->ibss_mac_hash[index]) { - entry = kzalloc(sizeof(*entry), GFP_ATOMIC); - if (!entry) { - IWL_ERROR("Cannot malloc new mac entry\n"); - return 0; - } - memcpy(entry->mac, mac, ETH_ALEN); - entry->seq_num = seq; - entry->frag_num = frag; - entry->packet_time = jiffies; - list_add(&entry->list, &priv->ibss_mac_hash[index]); - return 0; - } - last_seq = &entry->seq_num; - last_frag = &entry->frag_num; - last_time = &entry->packet_time; - break; - } - case IEEE80211_IF_TYPE_STA: - last_seq = &priv->last_seq_num; - last_frag = &priv->last_frag_num; - last_time = &priv->last_packet_time; - break; - default: - return 0; - } - if ((*last_seq == seq) && - time_after(*last_time + IWL_PACKET_RETRY_TIME, jiffies)) { - if (*last_frag == frag) - goto drop; - if (*last_frag + 1 != frag) - /* out-of-order fragment */ - goto drop; - } else - *last_seq = seq; - - *last_frag = frag; - *last_time = jiffies; - return 0; - - drop: - return 1; -} - #ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT #include "iwl-spectrum.h" @@ -1418,17 +1243,6 @@ static void iwl4965_rx_card_state_notif(struct iwl_priv *priv, wake_up_interruptible(&priv->wait_command_queue); } -/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD). - * This will be used later in iwl4965_rx_reply_rx() for REPLY_RX_MPDU_CMD. */ -static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) -{ - struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; - priv->last_phy_res[0] = 1; - memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]), - sizeof(struct iwl4965_rx_phy_res)); -} - /** * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks * @@ -1438,7 +1252,7 @@ static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv, * This function chains into the hardware specific files for them to setup * any hardware specific handlers as well. */ -static void iwl4965_setup_rx_handlers(struct iwl_priv *priv) +static void iwl_setup_rx_handlers(struct iwl_priv *priv) { priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive; priv->rx_handlers[REPLY_ERROR] = iwl4965_rx_reply_error; @@ -1455,8 +1269,8 @@ static void iwl4965_setup_rx_handlers(struct iwl_priv *priv) * statistics request from the host as well as for the periodic * statistics notifications (after received beacons) from the uCode. */ - priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl4965_hw_rx_statistics; - priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl4965_hw_rx_statistics; + priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_rx_statistics; + priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics; iwl_setup_rx_scan_handlers(priv); @@ -1466,8 +1280,10 @@ static void iwl4965_setup_rx_handlers(struct iwl_priv *priv) priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] = iwl_rx_missed_beacon_notif; /* Rx handlers */ - priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl4965_rx_reply_rx_phy; - priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl4965_rx_reply_rx; + priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl_rx_reply_rx_phy; + priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl_rx_reply_rx; + /* block ack */ + priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl_rx_reply_compressed_ba; /* Set up hardware specific Rx handlers */ priv->cfg->ops->lib->rx_handler_setup(priv); } @@ -1597,83 +1413,6 @@ void iwl_rx_handle(struct iwl_priv *priv) priv->rxq.read = i; iwl_rx_queue_restock(priv); } -/* Convert linear signal-to-noise ratio into dB */ -static u8 ratio2dB[100] = { -/* 0 1 2 3 4 5 6 7 8 9 */ - 0, 0, 6, 10, 12, 14, 16, 17, 18, 19, /* 00 - 09 */ - 20, 21, 22, 22, 23, 23, 24, 25, 26, 26, /* 10 - 19 */ - 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, /* 20 - 29 */ - 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, /* 30 - 39 */ - 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, /* 40 - 49 */ - 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, /* 50 - 59 */ - 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, /* 60 - 69 */ - 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, /* 70 - 79 */ - 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, /* 80 - 89 */ - 39, 39, 39, 39, 39, 40, 40, 40, 40, 40 /* 90 - 99 */ -}; - -/* Calculates a relative dB value from a ratio of linear - * (i.e. not dB) signal levels. - * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int iwl4965_calc_db_from_ratio(int sig_ratio) -{ - /* 1000:1 or higher just report as 60 dB */ - if (sig_ratio >= 1000) - return 60; - - /* 100:1 or higher, divide by 10 and use table, - * add 20 dB to make up for divide by 10 */ - if (sig_ratio >= 100) - return (20 + (int)ratio2dB[sig_ratio/10]); - - /* We shouldn't see this */ - if (sig_ratio < 1) - return 0; - - /* Use table for ratios 1:1 - 99:1 */ - return (int)ratio2dB[sig_ratio]; -} - -#define PERFECT_RSSI (-20) /* dBm */ -#define WORST_RSSI (-95) /* dBm */ -#define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI) - -/* Calculate an indication of rx signal quality (a percentage, not dBm!). - * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info - * about formulas used below. */ -int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm) -{ - int sig_qual; - int degradation = PERFECT_RSSI - rssi_dbm; - - /* If we get a noise measurement, use signal-to-noise ratio (SNR) - * as indicator; formula is (signal dbm - noise dbm). - * SNR at or above 40 is a great signal (100%). - * Below that, scale to fit SNR of 0 - 40 dB within 0 - 100% indicator. - * Weakest usable signal is usually 10 - 15 dB SNR. */ - if (noise_dbm) { - if (rssi_dbm - noise_dbm >= 40) - return 100; - else if (rssi_dbm < noise_dbm) - return 0; - sig_qual = ((rssi_dbm - noise_dbm) * 5) / 2; - - /* Else use just the signal level. - * This formula is a least squares fit of data points collected and - * compared with a reference system that had a percentage (%) display - * for signal quality. */ - } else - sig_qual = (100 * (RSSI_RANGE * RSSI_RANGE) - degradation * - (15 * RSSI_RANGE + 62 * degradation)) / - (RSSI_RANGE * RSSI_RANGE); - - if (sig_qual > 100) - sig_qual = 100; - else if (sig_qual < 1) - sig_qual = 0; - - return sig_qual; -} #ifdef CONFIG_IWLWIFI_DEBUG static void iwl4965_print_rx_config_cmd(struct iwl_priv *priv) @@ -1867,14 +1606,12 @@ static void iwl4965_irq_tasklet(struct iwl_priv *priv) IWL_DEBUG(IWL_DL_RF_KILL, "RF_KILL bit toggled to %s.\n", hw_rf_kill ? "disable radio":"enable radio"); - /* Queue restart only if RF_KILL switch was set to "kill" - * when we loaded driver, and is now set to "enable". - * After we're Alive, RF_KILL gets handled by - * iwl4965_rx_card_state_notif() */ - if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) { + /* driver only loads ucode once setting the interface up. + * the driver as well won't allow loading if RFKILL is set + * therefore no need to restart the driver from this handler + */ + if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) clear_bit(STATUS_RF_KILL_HW, &priv->status); - queue_work(priv->workqueue, &priv->restart); - } handled |= CSR_INT_BIT_RF_KILL; } @@ -2037,7 +1774,7 @@ static void iwl4965_nic_start(struct iwl_priv *priv) */ static int iwl4965_read_ucode(struct iwl_priv *priv) { - struct iwl4965_ucode *ucode; + struct iwl_ucode *ucode; int ret; const struct firmware *ucode_raw; const char *name = priv->cfg->fw_name; @@ -2254,7 +1991,7 @@ static void iwl_alive_start(struct iwl_priv *priv) goto restart; } - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); ret = priv->cfg->ops->lib->alive_notify(priv); if (ret) { IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n", @@ -2295,7 +2032,7 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl4965_commit_rxon(priv); /* At this point, the NIC is initialized and operational */ - iwl4965_rf_kill_ct_config(priv); + iwl_rf_kill_ct_config(priv); iwl_leds_register(priv); @@ -2306,7 +2043,7 @@ static void iwl_alive_start(struct iwl_priv *priv) if (priv->error_recovering) iwl4965_error_recovery(priv); - iwlcore_low_level_notify(priv, IWLCORE_START_EVT); + iwl_power_update_mode(priv, 1); ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC); if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status)) @@ -2332,9 +2069,7 @@ static void __iwl4965_down(struct iwl_priv *priv) iwl_leds_unregister(priv); - iwlcore_low_level_notify(priv, IWLCORE_STOP_EVT); - - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); @@ -2366,7 +2101,9 @@ static void __iwl4965_down(struct iwl_priv *priv) test_bit(STATUS_GEO_CONFIGURED, &priv->status) << STATUS_GEO_CONFIGURED | test_bit(STATUS_IN_SUSPEND, &priv->status) << - STATUS_IN_SUSPEND; + STATUS_IN_SUSPEND | + test_bit(STATUS_EXIT_PENDING, &priv->status) << + STATUS_EXIT_PENDING; goto exit; } @@ -2381,7 +2118,9 @@ static void __iwl4965_down(struct iwl_priv *priv) test_bit(STATUS_IN_SUSPEND, &priv->status) << STATUS_IN_SUSPEND | test_bit(STATUS_FW_ERROR, &priv->status) << - STATUS_FW_ERROR; + STATUS_FW_ERROR | + test_bit(STATUS_EXIT_PENDING, &priv->status) << + STATUS_EXIT_PENDING; spin_lock_irqsave(&priv->lock, flags); iwl_clear_bit(priv, CSR_GP_CNTRL, @@ -2446,16 +2185,16 @@ static int __iwl4965_up(struct iwl_priv *priv) if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) clear_bit(STATUS_RF_KILL_HW, &priv->status); - else { + else set_bit(STATUS_RF_KILL_HW, &priv->status); - if (!test_bit(STATUS_IN_SUSPEND, &priv->status)) { - iwl_rfkill_set_hw_state(priv); - IWL_WARNING("Radio disabled by HW RF Kill switch\n"); - return -ENODEV; - } + + if (!test_bit(STATUS_IN_SUSPEND, &priv->status) && + iwl_is_rfkill(priv)) { + IWL_WARNING("Radio disabled by %s RF Kill switch\n", + test_bit(STATUS_RF_KILL_HW, &priv->status) ? "HW" : "SW"); + return -ENODEV; } - iwl_rfkill_set_hw_state(priv); iwl_write32(priv, CSR_INT, 0xFFFFFFFF); ret = priv->cfg->ops->lib->alloc_shared_mem(priv); @@ -2496,7 +2235,7 @@ static int __iwl4965_up(struct iwl_priv *priv) for (i = 0; i < MAX_HW_RESTARTS; i++) { - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); /* load bootstrap state machine, * load bootstrap program into processor's memory, @@ -2592,9 +2331,8 @@ static void iwl4965_bg_rf_kill(struct work_struct *work) "Kill switch must be turned off for " "wireless networking to work.\n"); } - iwl_rfkill_set_hw_state(priv); - mutex_unlock(&priv->mutex); + iwl_rfkill_set_hw_state(priv); } static void iwl4965_bg_set_monitor(struct work_struct *work) @@ -2652,6 +2390,7 @@ static void iwl4965_bg_up(struct work_struct *data) mutex_lock(&priv->mutex); __iwl4965_up(priv); mutex_unlock(&priv->mutex); + iwl_rfkill_set_hw_state(priv); } static void iwl4965_bg_restart(struct work_struct *data) @@ -2749,7 +2488,6 @@ static void iwl4965_post_associate(struct iwl_priv *priv) switch (priv->iw_mode) { case IEEE80211_IF_TYPE_STA: - iwl4965_rate_scale_init(priv->hw, IWL_AP_ID); break; case IEEE80211_IF_TYPE_IBSS: @@ -2758,7 +2496,6 @@ static void iwl4965_post_associate(struct iwl_priv *priv) priv->assoc_id = 1; iwl_rxon_add_station(priv, priv->bssid, 0); - iwl4965_rate_scale_init(priv->hw, IWL_STA_ID); iwl4965_send_beacon_cmd(priv); break; @@ -2769,8 +2506,6 @@ static void iwl4965_post_associate(struct iwl_priv *priv) break; } - iwl4965_sequence_reset(priv); - /* Enable Rx differential gain and sensitivity calibrations */ iwl_chain_noise_reset(priv); priv->start_calib = 1; @@ -2827,7 +2562,7 @@ static void iwl_bg_scan_completed(struct work_struct *work) * *****************************************************************************/ -#define UCODE_READY_TIMEOUT (2 * HZ) +#define UCODE_READY_TIMEOUT (4 * HZ) static int iwl4965_mac_start(struct ieee80211_hw *hw) { @@ -2870,6 +2605,8 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw) mutex_unlock(&priv->mutex); + iwl_rfkill_set_hw_state(priv); + if (ret) goto out_release_irq; @@ -2880,21 +2617,19 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw) /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ - if (priv->ucode_type == UCODE_RT) { - ret = wait_event_interruptible_timeout(priv->wait_command_queue, - test_bit(STATUS_READY, &priv->status), - UCODE_READY_TIMEOUT); - if (!ret) { - if (!test_bit(STATUS_READY, &priv->status)) { - IWL_ERROR("START_ALIVE timeout after %dms.\n", - jiffies_to_msecs(UCODE_READY_TIMEOUT)); - ret = -ETIMEDOUT; - goto out_release_irq; - } + ret = wait_event_interruptible_timeout(priv->wait_command_queue, + test_bit(STATUS_READY, &priv->status), + UCODE_READY_TIMEOUT); + if (!ret) { + if (!test_bit(STATUS_READY, &priv->status)) { + IWL_ERROR("START_ALIVE timeout after %dms.\n", + jiffies_to_msecs(UCODE_READY_TIMEOUT)); + ret = -ETIMEDOUT; + goto out_release_irq; } - - priv->is_open = 1; } + + priv->is_open = 1; IWL_DEBUG_MAC80211("leave\n"); return 0; @@ -2950,7 +2685,8 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) { IWL_DEBUG_MAC80211("leave - monitor\n"); - return -1; + dev_kfree_skb_any(skb); + return 0; } IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, @@ -3019,13 +2755,14 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co priv->add_radiotap = !!(conf->flags & IEEE80211_CONF_RADIOTAP); - - if (priv->cfg->ops->lib->radio_kill_sw && - priv->cfg->ops->lib->radio_kill_sw(priv, !conf->radio_enabled)) { + if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) { IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n"); - mutex_unlock(&priv->mutex); + goto out; } + if (!conf->radio_enabled) + iwl_radio_kill_sw_disable_radio(priv); + if (!iwl_is_ready(priv)) { IWL_DEBUG_MAC80211("leave - not ready\n"); ret = -EIO; @@ -3126,7 +2863,7 @@ static void iwl4965_config_ap(struct iwl_priv *priv) return; /* The following should be done only at AP bring up */ - if ((priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) == 0) { + if (!(iwl_is_associated(priv))) { /* RXON - unassoc (to set timing command) */ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; @@ -3178,6 +2915,9 @@ static void iwl4965_config_ap(struct iwl_priv *priv) * clear sta table, add BCAST sta... */ } +/* temporary */ +static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb); + static int iwl4965_mac_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_if_conf *conf) @@ -3195,8 +2935,18 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw, return 0; } + if (priv->iw_mode == IEEE80211_IF_TYPE_IBSS && + conf->changed & IEEE80211_IFCC_BEACON) { + struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); + if (!beacon) + return -ENOMEM; + rc = iwl4965_mac_beacon_update(hw, beacon); + if (rc) + return rc; + } + if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) && - (!conf->beacon || !conf->ssid_len)) { + (!conf->ssid_len)) { IWL_DEBUG_MAC80211 ("Leaving in AP mode because HostAPD is not ready.\n"); return 0; @@ -3228,7 +2978,7 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw, if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); - priv->ibss_beacon = conf->beacon; + priv->ibss_beacon = ieee80211_beacon_get(hw, vif); } if (iwl_is_rfkill(priv)) @@ -3289,26 +3039,18 @@ static void iwl4965_configure_filter(struct ieee80211_hw *hw, unsigned int *total_flags, int mc_count, struct dev_addr_list *mc_list) { - /* - * XXX: dummy - * see also iwl4965_connection_init_rx_config - */ struct iwl_priv *priv = hw->priv; - int new_flags = 0; - if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) { - if (*total_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) { - IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n", - IEEE80211_IF_TYPE_MNTR, - changed_flags, *total_flags); - /* queue work 'cuz mac80211 is holding a lock which - * prevents us from issuing (synchronous) f/w cmds */ - queue_work(priv->workqueue, &priv->set_monitor); - new_flags &= FIF_PROMISC_IN_BSS | - FIF_OTHER_BSS | - FIF_ALLMULTI; - } + + if (changed_flags & (*total_flags) & FIF_OTHER_BSS) { + IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n", + IEEE80211_IF_TYPE_MNTR, + changed_flags, *total_flags); + /* queue work 'cuz mac80211 is holding a lock which + * prevents us from issuing (synchronous) f/w cmds */ + queue_work(priv->workqueue, &priv->set_monitor); } - *total_flags = new_flags; + *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | + FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; } static void iwl4965_mac_remove_interface(struct ieee80211_hw *hw, @@ -3673,17 +3415,6 @@ static int iwl4965_mac_get_stats(struct ieee80211_hw *hw, return 0; } -static u64 iwl4965_mac_get_tsf(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv; - - priv = hw->priv; - IWL_DEBUG_MAC80211("enter\n"); - IWL_DEBUG_MAC80211("leave\n"); - - return 0; -} - static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw) { struct iwl_priv *priv = hw->priv; @@ -3692,7 +3423,6 @@ static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw) mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); - priv->lq_mngr.lq_ready = 0; spin_lock_irqsave(&priv->lock, flags); memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info)); spin_unlock_irqrestore(&priv->lock, flags); @@ -3755,6 +3485,7 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk { struct iwl_priv *priv = hw->priv; unsigned long flags; + __le64 timestamp; mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); @@ -3779,6 +3510,8 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk priv->ibss_beacon = skb; priv->assoc_id = 0; + timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; + priv->timestamp = le64_to_cpu(timestamp) + (priv->beacon_int * 1000); IWL_DEBUG_MAC80211("leave\n"); spin_unlock_irqrestore(&priv->lock, flags); @@ -3845,16 +3578,28 @@ static ssize_t show_version(struct device *d, { struct iwl_priv *priv = d->driver_data; struct iwl_alive_resp *palive = &priv->card_alive; + ssize_t pos = 0; + u16 eeprom_ver; if (palive->is_valid) - return sprintf(buf, "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n" - "fw type: 0x%01X 0x%01X\n", + pos += sprintf(buf + pos, + "fw version: 0x%01X.0x%01X.0x%01X.0x%01X\n" + "fw type: 0x%01X 0x%01X\n", palive->ucode_major, palive->ucode_minor, palive->sw_rev[0], palive->sw_rev[1], palive->ver_type, palive->ver_subtype); - else - return sprintf(buf, "fw not loaded\n"); + pos += sprintf(buf + pos, "fw not loaded\n"); + + if (priv->eeprom) { + eeprom_ver = iwl_eeprom_query16(priv, EEPROM_VERSION); + pos += sprintf(buf + pos, "EEPROM version: 0x%x\n", + eeprom_ver); + } else { + pos += sprintf(buf + pos, "EEPROM not initialzed\n"); + } + + return pos; } static DEVICE_ATTR(version, S_IWUSR | S_IRUGO, show_version, NULL); @@ -3867,7 +3612,7 @@ static ssize_t show_temperature(struct device *d, if (!iwl_is_alive(priv)) return -EAGAIN; - return sprintf(buf, "%d\n", iwl4965_hw_get_temperature(priv)); + return sprintf(buf, "%d\n", priv->temperature); } static DEVICE_ATTR(temperature, S_IRUGO, show_temperature, NULL); @@ -4159,8 +3904,62 @@ static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level, static ssize_t show_channels(struct device *d, struct device_attribute *attr, char *buf) { - /* all this shit doesn't belong into sysfs anyway */ - return 0; + + struct iwl_priv *priv = dev_get_drvdata(d); + struct ieee80211_channel *channels = NULL; + const struct ieee80211_supported_band *supp_band = NULL; + int len = 0, i; + int count = 0; + + if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) + return -EAGAIN; + + supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ); + channels = supp_band->channels; + count = supp_band->n_channels; + + len += sprintf(&buf[len], + "Displaying %d channels in 2.4GHz band " + "(802.11bg):\n", count); + + for (i = 0; i < count; i++) + len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n", + ieee80211_frequency_to_channel( + channels[i].center_freq), + channels[i].max_power, + channels[i].flags & IEEE80211_CHAN_RADAR ? + " (IEEE 802.11h required)" : "", + (!(channels[i].flags & IEEE80211_CHAN_NO_IBSS) + || (channels[i].flags & + IEEE80211_CHAN_RADAR)) ? "" : + ", IBSS", + channels[i].flags & + IEEE80211_CHAN_PASSIVE_SCAN ? + "passive only" : "active/passive"); + + supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ); + channels = supp_band->channels; + count = supp_band->n_channels; + + len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band " + "(802.11a):\n", count); + + for (i = 0; i < count; i++) + len += sprintf(&buf[len], "%d: %ddBm: BSS%s%s, %s.\n", + ieee80211_frequency_to_channel( + channels[i].center_freq), + channels[i].max_power, + channels[i].flags & IEEE80211_CHAN_RADAR ? + " (IEEE 802.11h required)" : "", + ((channels[i].flags & IEEE80211_CHAN_NO_IBSS) + || (channels[i].flags & + IEEE80211_CHAN_RADAR)) ? "" : + ", IBSS", + channels[i].flags & + IEEE80211_CHAN_PASSIVE_SCAN ? + "passive only" : "active/passive"); + + return len; } static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL); @@ -4169,7 +3968,7 @@ static ssize_t show_statistics(struct device *d, struct device_attribute *attr, char *buf) { struct iwl_priv *priv = dev_get_drvdata(d); - u32 size = sizeof(struct iwl4965_notif_statistics); + u32 size = sizeof(struct iwl_notif_statistics); u32 len = 0, ofs = 0; u8 *data = (u8 *) & priv->statistics; int rc = 0; @@ -4306,9 +4105,7 @@ static struct ieee80211_ops iwl4965_hw_ops = { .get_stats = iwl4965_mac_get_stats, .get_tx_stats = iwl4965_mac_get_tx_stats, .conf_tx = iwl4965_mac_conf_tx, - .get_tsf = iwl4965_mac_get_tsf, .reset_tsf = iwl4965_mac_reset_tsf, - .beacon_update = iwl4965_mac_beacon_update, .bss_info_changed = iwl4965_bss_info_changed, .ampdu_action = iwl4965_mac_ampdu_action, .hw_scan = iwl4965_mac_hw_scan @@ -4435,8 +4232,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e /************************ * 5. Setup HW constants ************************/ - /* Device-specific setup */ - if (priv->cfg->ops->lib->set_hw_params(priv)) { + if (iwl_set_hw_params(priv)) { IWL_ERROR("failed to set hw parameters\n"); goto out_free_eeprom; } @@ -4475,7 +4271,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e iwl_setup_deferred_work(priv); - iwl4965_setup_rx_handlers(priv); + iwl_setup_rx_handlers(priv); /******************** * 9. Conclude @@ -4495,8 +4291,11 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e if (err) IWL_ERROR("failed to create debugfs files\n"); - /* notify iwlcore to init */ - iwlcore_low_level_notify(priv, IWLCORE_INIT_EVT); + err = iwl_rfkill_init(priv); + if (err) + IWL_ERROR("Unable to initialize RFKILL system. " + "Ignoring error: %d\n", err); + iwl_power_initialize(priv); return 0; out_remove_sysfs: @@ -4521,8 +4320,6 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e static void __devexit iwl4965_pci_remove(struct pci_dev *pdev) { struct iwl_priv *priv = pci_get_drvdata(pdev); - struct list_head *p, *q; - int i; unsigned long flags; if (!priv) @@ -4551,23 +4348,14 @@ static void __devexit iwl4965_pci_remove(struct pci_dev *pdev) iwl_synchronize_irq(priv); - /* Free MAC hash list for ADHOC */ - for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) { - list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) { - list_del(p); - kfree(list_entry(p, struct iwl4965_ibss_seq, list)); - } - } - - iwlcore_low_level_notify(priv, IWLCORE_REMOVE_EVT); - + iwl_rfkill_unregister(priv); iwl4965_dealloc_ucode_pci(priv); if (priv->rxq.bd) iwl_rx_queue_free(priv, &priv->rxq); iwl_hw_txq_ctx_free(priv); - iwlcore_clear_stations_table(priv); + iwl_clear_stations_table(priv); iwl_eeprom_free(priv); @@ -4636,8 +4424,16 @@ static struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID, iwl4965_agn_cfg)}, {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)}, #ifdef CONFIG_IWL5000 - {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID, iwl5300_agn_cfg)}, + {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bg_cfg)}, + {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bg_cfg)}, + {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, + {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, + {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, + {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, {IWL_PCI_DEVICE(0x4232, PCI_ANY_ID, iwl5100_agn_cfg)}, + {IWL_PCI_DEVICE(0x4235, PCI_ANY_ID, iwl5300_agn_cfg)}, + {IWL_PCI_DEVICE(0x4236, PCI_ANY_ID, iwl5300_agn_cfg)}, + {IWL_PCI_DEVICE(0x4237, PCI_ANY_ID, iwl5100_agn_cfg)}, {IWL_PCI_DEVICE(0x423A, PCI_ANY_ID, iwl5350_agn_cfg)}, #endif /* CONFIG_IWL5000 */ {0}