diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 751 |
1 files changed, 351 insertions, 400 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 45a6b0c35695..d64580805d6e 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -22,7 +22,7 @@ * file called LICENSE. * * Contact Information: - * James P. Ketrenos <ipw2100-admin@linux.intel.com> + * Intel Linux Wireless <ilw@linux.intel.com> * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ @@ -41,6 +41,7 @@ #include <linux/if_arp.h> #include <net/ieee80211_radiotap.h> +#include <net/lib80211.h> #include <net/mac80211.h> #include <asm/div64.h> @@ -64,11 +65,10 @@ static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, /* module parameters */ static int iwl3945_param_disable_hw_scan; /* def: 0 = use 3945's h/w scan */ -static int iwl3945_param_debug; /* def: 0 = minimal debug log messages */ +static u32 iwl3945_param_debug; /* def: 0 = minimal debug log messages */ static int iwl3945_param_disable; /* def: 0 = enable radio */ static int iwl3945_param_antenna; /* def: 0 = both antennas (use diversity) */ int iwl3945_param_hwcrypto; /* def: 0 = use software encryption */ -static int iwl3945_param_qos_enable = 1; /* def: 1 = use quality of service */ int iwl3945_param_queues_num = IWL39_MAX_NUM_QUEUES; /* def: 8 Tx queues */ /* @@ -93,12 +93,13 @@ int iwl3945_param_queues_num = IWL39_MAX_NUM_QUEUES; /* def: 8 Tx queues */ #define IWLWIFI_VERSION "1.2.26k" VD VS #define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation" +#define DRV_AUTHOR "<ilw@linux.intel.com>" #define DRV_VERSION IWLWIFI_VERSION MODULE_DESCRIPTION(DRV_DESCRIPTION); MODULE_VERSION(DRV_VERSION); -MODULE_AUTHOR(DRV_COPYRIGHT); +MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); MODULE_LICENSE("GPL"); static const struct ieee80211_supported_band *iwl3945_get_band( @@ -107,46 +108,6 @@ static const struct ieee80211_supported_band *iwl3945_get_band( return priv->hw->wiphy->bands[band]; } -static int iwl3945_is_empty_essid(const char *essid, int essid_len) -{ - /* Single white space is for Linksys APs */ - if (essid_len == 1 && essid[0] == ' ') - return 1; - - /* Otherwise, if the entire essid is 0, we assume it is hidden */ - while (essid_len) { - essid_len--; - if (essid[essid_len] != '\0') - return 0; - } - - return 1; -} - -static const char *iwl3945_escape_essid(const char *essid, u8 essid_len) -{ - static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; - const char *s = essid; - char *d = escaped; - - if (iwl3945_is_empty_essid(essid, essid_len)) { - memcpy(escaped, "<hidden>", sizeof("<hidden>")); - return escaped; - } - - essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE); - while (essid_len--) { - if (*s == '\0') { - *d++ = '\\'; - *d++ = '0'; - s++; - } else - *d++ = *s++; - } - *d = '\0'; - return escaped; -} - /*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** * DMA services * @@ -446,7 +407,6 @@ u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap, u8 int index = IWL_INVALID_STATION; struct iwl3945_station_entry *station; unsigned long flags_spin; - DECLARE_MAC_BUF(mac); u8 rate; spin_lock_irqsave(&priv->sta_lock, flags_spin); @@ -480,7 +440,7 @@ u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *addr, int is_ap, u8 return index; } - IWL_DEBUG_ASSOC("Add STA ID %d: %s\n", index, print_mac(mac, addr)); + IWL_DEBUG_ASSOC("Add STA ID %d: %pM\n", index, addr); station = &priv->stations[index]; station->used = 1; priv->num_stations++; @@ -559,7 +519,7 @@ static inline int iwl3945_is_ready_rf(struct iwl3945_priv *priv) /*************** HOST COMMAND QUEUE FUNCTIONS *****/ -#define IWL_CMD(x) case x : return #x +#define IWL_CMD(x) case x: return #x static const char *get_cmd_string(u8 cmd) { @@ -1063,7 +1023,6 @@ static int iwl3945_commit_rxon(struct iwl3945_priv *priv) /* cast away the const for active_rxon in this function */ struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon; int rc = 0; - DECLARE_MAC_BUF(mac); if (!iwl3945_is_alive(priv)) return -1; @@ -1124,11 +1083,11 @@ static int iwl3945_commit_rxon(struct iwl3945_priv *priv) IWL_DEBUG_INFO("Sending RXON\n" "* with%s RXON_FILTER_ASSOC_MSK\n" "* channel = %d\n" - "* bssid = %s\n", + "* bssid = %pM\n", ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? "" : "out"), le16_to_cpu(priv->staging_rxon.channel), - print_mac(mac, priv->staging_rxon.bssid_addr)); + priv->staging_rxon.bssid_addr); /* Apply the new configuration */ rc = iwl3945_send_cmd_pdu(priv, REPLY_RXON, @@ -1443,7 +1402,7 @@ static void iwl3945_free_frame(struct iwl3945_priv *priv, struct iwl3945_frame * unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, struct ieee80211_hdr *hdr, - const u8 *dest, int left) + int left) { if (!iwl3945_is_associated(priv) || !priv->ibss_beacon || @@ -1459,9 +1418,16 @@ unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, return priv->ibss_beacon->len; } -static u8 iwl3945_rate_get_lowest_plcp(int rate_mask) +static u8 iwl3945_rate_get_lowest_plcp(struct iwl3945_priv *priv) { u8 i; + int rate_mask; + + /* Set rate mask*/ + if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) + rate_mask = priv->active_rate_basic & IWL_CCK_RATES_MASK; + else + rate_mask = priv->active_rate_basic & IWL_OFDM_RATES_MASK; for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID; i = iwl3945_rates[i].next_ieee) { @@ -1469,7 +1435,11 @@ static u8 iwl3945_rate_get_lowest_plcp(int rate_mask) return iwl3945_rates[i].plcp; } - return IWL_RATE_INVALID; + /* No valid rate was found. Assign the lowest one */ + if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) + return IWL_RATE_1M_PLCP; + else + return IWL_RATE_6M_PLCP; } static int iwl3945_send_beacon_cmd(struct iwl3945_priv *priv) @@ -1487,16 +1457,7 @@ static int iwl3945_send_beacon_cmd(struct iwl3945_priv *priv) return -ENOMEM; } - if (!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)) { - rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & - 0xFF0); - if (rate == IWL_INVALID_RATE) - rate = IWL_RATE_6M_PLCP; - } else { - rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xF); - if (rate == IWL_INVALID_RATE) - rate = IWL_RATE_1M_PLCP; - } + rate = iwl3945_rate_get_lowest_plcp(priv); frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate); @@ -1544,10 +1505,8 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv) { u16 *e = (u16 *)&priv->eeprom; u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP); - u32 r; int sz = sizeof(priv->eeprom); - int rc; - int i; + int ret; u16 addr; /* The EEPROM structure has several padding buffers within it @@ -1562,29 +1521,28 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv) } /* Make sure driver (instead of uCode) is allowed to read EEPROM */ - rc = iwl3945_eeprom_acquire_semaphore(priv); - if (rc < 0) { + ret = iwl3945_eeprom_acquire_semaphore(priv); + if (ret < 0) { IWL_ERROR("Failed to acquire EEPROM semaphore.\n"); return -ENOENT; } /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { - _iwl3945_write32(priv, CSR_EEPROM_REG, addr << 1); - _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); - - for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; - i += IWL_EEPROM_ACCESS_DELAY) { - r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG); - if (r & CSR_EEPROM_REG_READ_VALID_MSK) - break; - udelay(IWL_EEPROM_ACCESS_DELAY); - } + u32 r; - if (!(r & CSR_EEPROM_REG_READ_VALID_MSK)) { + _iwl3945_write32(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); + _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); + ret = iwl3945_poll_direct_bit(priv, CSR_EEPROM_REG, + CSR_EEPROM_REG_READ_VALID_MSK, + IWL_EEPROM_ACCESS_TIMEOUT); + if (ret < 0) { IWL_ERROR("Time out reading EEPROM[%d]\n", addr); - return -ETIMEDOUT; + return ret; } + + r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG); e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); } @@ -1634,7 +1592,7 @@ static u16 iwl3945_supported_rate_to_ie(u8 *ie, u16 supported_rate, */ static u16 iwl3945_fill_probe_req(struct iwl3945_priv *priv, struct ieee80211_mgmt *frame, - int left, int is_direct) + int left) { int len = 0; u8 *pos = NULL; @@ -1664,20 +1622,6 @@ static u16 iwl3945_fill_probe_req(struct iwl3945_priv *priv, *pos++ = WLAN_EID_SSID; *pos++ = 0; - /* fill in our direct SSID IE... */ - if (is_direct) { - /* ...next IE... */ - left -= 2 + priv->essid_len; - if (left < 0) - return 0; - /* ... fill it in... */ - *pos++ = WLAN_EID_SSID; - *pos++ = priv->essid_len; - memcpy(pos, priv->essid, priv->essid_len); - pos += priv->essid_len; - len += 2 + priv->essid_len; - } - /* fill in supported rate */ /* ...next IE... */ left -= 2; @@ -1746,17 +1690,21 @@ static void iwl3945_reset_qos(struct iwl3945_priv *priv) spin_lock_irqsave(&priv->lock, flags); priv->qos_data.qos_active = 0; - if (priv->iw_mode == NL80211_IFTYPE_ADHOC) { - if (priv->qos_data.qos_enable) - priv->qos_data.qos_active = 1; - if (!(priv->active_rate & 0xfff0)) { - cw_min = 31; - is_legacy = 1; - } - } else if (priv->iw_mode == NL80211_IFTYPE_AP) { - if (priv->qos_data.qos_enable) - priv->qos_data.qos_active = 1; - } else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) { + /* QoS always active in AP and ADHOC mode + * In STA mode wait for association + */ + if (priv->iw_mode == NL80211_IFTYPE_ADHOC || + priv->iw_mode == NL80211_IFTYPE_AP) + priv->qos_data.qos_active = 1; + else + priv->qos_data.qos_active = 0; + + + /* check for legacy mode */ + if ((priv->iw_mode == NL80211_IFTYPE_ADHOC && + (priv->active_rate & IWL_OFDM_RATES_MASK) == 0) || + (priv->iw_mode == NL80211_IFTYPE_STATION && + (priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK) == 0)) { cw_min = 31; is_legacy = 1; } @@ -1828,9 +1776,6 @@ static void iwl3945_activate_qos(struct iwl3945_priv *priv, u8 force) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (!priv->qos_data.qos_enable) - return; - spin_lock_irqsave(&priv->lock, flags); priv->qos_data.def_qos_parm.qos_flags = 0; @@ -1846,7 +1791,7 @@ static void iwl3945_activate_qos(struct iwl3945_priv *priv, u8 force) spin_unlock_irqrestore(&priv->lock, flags); if (force || iwl3945_is_associated(priv)) { - IWL_DEBUG_QOS("send QoS cmd with Qos active %d \n", + IWL_DEBUG_QOS("send QoS cmd with QoS active %d \n", priv->qos_data.qos_active); iwl3945_send_qos_params_command(priv, @@ -1870,7 +1815,7 @@ static void iwl3945_activate_qos(struct iwl3945_priv *priv, u8 force) /* default power management (not Tx power) table values */ -/* for tim 0-10 */ +/* for TIM 0-10 */ static struct iwl3945_power_vec_entry range_0[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), SLP_VEC(1, 2, 3, 4, 4)}, 0}, @@ -1880,7 +1825,7 @@ static struct iwl3945_power_vec_entry range_0[IWL_POWER_AC] = { {{SLP, SLP_TIMEOUT(25), SLP_TIMEOUT(25), SLP_VEC(4, 7, 10, 10, 10)}, 1} }; -/* for tim > 10 */ +/* for TIM > 10 */ static struct iwl3945_power_vec_entry range_1[IWL_POWER_AC] = { {{NOSLP, SLP_TIMEOUT(0), SLP_TIMEOUT(0), SLP_VEC(0, 0, 0, 0, 0)}, 0}, {{SLP, SLP_TIMEOUT(200), SLP_TIMEOUT(500), @@ -2156,11 +2101,6 @@ static void iwl3945_setup_rxon_timing(struct iwl3945_priv *priv) static int iwl3945_scan_initiate(struct iwl3945_priv *priv) { - if (priv->iw_mode == NL80211_IFTYPE_AP) { - IWL_ERROR("APs don't scan.\n"); - return 0; - } - if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_SCAN("Aborting scan due to not ready.\n"); return -EIO; @@ -2230,13 +2170,14 @@ static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv, /* * initialize rxon structure with default values from eeprom */ -static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv) +static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv, + int mode) { const struct iwl3945_channel_info *ch_info; memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon)); - switch (priv->iw_mode) { + switch (mode) { case NL80211_IFTYPE_AP: priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP; break; @@ -2259,7 +2200,7 @@ static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv) RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK; break; default: - IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode); + IWL_ERROR("Unsupported interface type %d\n", mode); break; } @@ -2282,8 +2223,7 @@ static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv) * in some case A channels are all non IBSS * in this case force B/G channel */ - if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && - !(is_channel_ibss(ch_info))) + if ((mode == NL80211_IFTYPE_ADHOC) && !(is_channel_ibss(ch_info))) ch_info = &priv->channel_info[0]; priv->staging_rxon.channel = cpu_to_le16(ch_info->channel); @@ -2316,14 +2256,12 @@ static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode) } } - priv->iw_mode = mode; - - iwl3945_connection_init_rx_config(priv); + iwl3945_connection_init_rx_config(priv, mode); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); iwl3945_clear_stations_table(priv); - /* dont commit rxon if rf-kill is on*/ + /* don't commit rxon if rf-kill is on*/ if (!iwl3945_is_ready_rf(priv)) return -EAGAIN; @@ -2352,7 +2290,7 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv, case ALG_CCMP: cmd->cmd.tx.sec_ctl = TX_CMD_SEC_CCM; memcpy(cmd->cmd.tx.key, keyinfo->key, keyinfo->keylen); - IWL_DEBUG_TX("tx_cmd with aes hwcrypto\n"); + IWL_DEBUG_TX("tx_cmd with AES hwcrypto\n"); break; case ALG_TKIP: @@ -2397,6 +2335,7 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv, { __le16 fc = hdr->frame_control; __le32 tx_flags = cmd->cmd.tx.tx_flags; + u8 rc_flags = info->control.rates[0].flags; cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { @@ -2423,10 +2362,10 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv, tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK; } - if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) { + if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) { tx_flags |= TX_CMD_FLG_RTS_MSK; tx_flags &= ~TX_CMD_FLG_CTS_MSK; - } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) { + } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { tx_flags &= ~TX_CMD_FLG_RTS_MSK; tx_flags |= TX_CMD_FLG_CTS_MSK; } @@ -2482,8 +2421,6 @@ static int iwl3945_get_sta_id(struct iwl3945_priv *priv, struct ieee80211_hdr *h /* If this frame is going out to an IBSS network, find the station, * or create a new station table entry */ case NL80211_IFTYPE_ADHOC: { - DECLARE_MAC_BUF(mac); - /* Create new station table entry */ sta_id = iwl3945_hw_find_station(priv, hdr->addr1); if (sta_id != IWL_INVALID_STATION) @@ -2494,9 +2431,9 @@ static int iwl3945_get_sta_id(struct iwl3945_priv *priv, struct ieee80211_hdr *h if (sta_id != IWL_INVALID_STATION) return sta_id; - IWL_DEBUG_DROP("Station %s not in station map. " + IWL_DEBUG_DROP("Station %pM not in station map. " "Defaulting to broadcast...\n", - print_mac(mac, hdr->addr1)); + hdr->addr1); iwl3945_print_hex_dump(IWL_DL_DROP, (u8 *) hdr, sizeof(*hdr)); return priv->hw_setting.bcast_sta_id; } @@ -2579,10 +2516,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb) /* Find (or create) index into station table for destination station */ sta_id = iwl3945_get_sta_id(priv, hdr); if (sta_id == IWL_INVALID_STATION) { - DECLARE_MAC_BUF(mac); - - IWL_DEBUG_DROP("Dropping - INVALID STATION: %s\n", - print_mac(mac, hdr->addr1)); + IWL_DEBUG_DROP("Dropping - INVALID STATION: %pM\n", + hdr->addr1); goto drop; } @@ -4019,8 +3954,6 @@ static int iwl3945_tx_queue_update_write_ptr(struct iwl3945_priv *priv, #ifdef CONFIG_IWL3945_DEBUG static void iwl3945_print_rx_config_cmd(struct iwl3945_rxon_cmd *rxon) { - DECLARE_MAC_BUF(mac); - IWL_DEBUG_RADIO("RX CONFIG:\n"); iwl3945_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon)); IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel)); @@ -4031,10 +3964,8 @@ static void iwl3945_print_rx_config_cmd(struct iwl3945_rxon_cmd *rxon) IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n", rxon->ofdm_basic_rates); IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates); - IWL_DEBUG_RADIO("u8[6] node_addr: %s\n", - print_mac(mac, rxon->node_addr)); - IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n", - print_mac(mac, rxon->bssid_addr)); + IWL_DEBUG_RADIO("u8[6] node_addr: %pM\n", rxon->node_addr); + IWL_DEBUG_RADIO("u8[6] bssid_addr: %pM\n", rxon->bssid_addr); IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); } #endif @@ -4050,7 +3981,7 @@ static void iwl3945_enable_interrupts(struct iwl3945_priv *priv) /* call this function to flush any scheduled tasklet */ static inline void iwl_synchronize_irq(struct iwl3945_priv *priv) { - /* wait to make sure we flush pedding tasklet*/ + /* wait to make sure we flush pending tasklet*/ synchronize_irq(priv->pci_dev->irq); tasklet_kill(&priv->irq_tasklet); } @@ -4373,35 +4304,6 @@ static void iwl3945_irq_tasklet(struct iwl3945_priv *priv) /* Safely ignore these bits for debug checks below */ inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE); - /* HW RF KILL switch toggled (4965 only) */ - if (inta & CSR_INT_BIT_RF_KILL) { - int hw_rf_kill = 0; - if (!(iwl3945_read32(priv, CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rf_kill = 1; - - IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL | IWL_DL_ISR, - "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 - * iwl3945_rx_card_state_notif() */ - 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; - } - - /* Chip got too hot and stopped itself (4965 only) */ - if (inta & CSR_INT_BIT_CT_KILL) { - IWL_ERROR("Microcode CT kill error detected.\n"); - handled |= CSR_INT_BIT_CT_KILL; - } - /* Error detected by uCode */ if (inta & CSR_INT_BIT_SW_ERR) { IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n", @@ -4502,7 +4404,7 @@ static irqreturn_t iwl3945_isr(int irq, void *data) if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) { /* Hardware disappeared */ - IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta); + IWL_WARNING("HARDWARE GONE?? INTA == 0x%08x\n", inta); goto unplugged; } @@ -4805,7 +4707,7 @@ static void iwl3945_free_channel_map(struct iwl3945_priv *priv) #define IWL_PASSIVE_DWELL_BASE (100) #define IWL_CHANNEL_TUNE_TIME 5 -#define IWL_SCAN_PROBE_MASK(n) cpu_to_le32((BIT(n) | (BIT(n) - BIT(1)))) +#define IWL_SCAN_PROBE_MASK(n) (BIT(n) | (BIT(n) - BIT(1))) static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv, enum ieee80211_band band, @@ -4876,17 +4778,33 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv, continue; } + scan_ch->active_dwell = cpu_to_le16(active_dwell); + scan_ch->passive_dwell = cpu_to_le16(passive_dwell); + /* If passive , set up for auto-switch + * and use long active_dwell time. + */ if (!is_active || is_channel_passive(ch_info) || - (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN)) + (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN)) { scan_ch->type = 0; /* passive */ - else + if (IWL_UCODE_API(priv->ucode_ver) == 1) + scan_ch->active_dwell = cpu_to_le16(passive_dwell - 1); + } else { scan_ch->type = 1; /* active */ + } - if ((scan_ch->type & 1) && n_probes) - scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes); - - scan_ch->active_dwell = cpu_to_le16(active_dwell); - scan_ch->passive_dwell = cpu_to_le16(passive_dwell); + /* Set direct probe bits. These may be used both for active + * scan channels (probes gets sent right away), + * or for passive channels (probes get se sent only after + * hearing clear Rx packet).*/ + if (IWL_UCODE_API(priv->ucode_ver) >= 2) { + if (n_probes) + scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes); + } else { + /* uCode v1 does not allow setting direct probe bits on + * passive channel. */ + if ((scan_ch->type & 1) && n_probes) + scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes); + } /* Set txpower levels to defaults */ scan_ch->tpc.dsp_atten = 110; @@ -5387,25 +5305,41 @@ static void iwl3945_nic_start(struct iwl3945_priv *priv) static int iwl3945_read_ucode(struct iwl3945_priv *priv) { struct iwl3945_ucode *ucode; - int ret = 0; + int ret = -EINVAL, index; const struct firmware *ucode_raw; /* firmware file name contains uCode/driver compatibility version */ - const char *name = priv->cfg->fw_name; + const char *name_pre = priv->cfg->fw_name_pre; + const unsigned int api_max = priv->cfg->ucode_api_max; + const unsigned int api_min = priv->cfg->ucode_api_min; + char buf[25]; u8 *src; size_t len; - u32 ver, inst_size, data_size, init_size, init_data_size, boot_size; + u32 api_ver, inst_size, data_size, init_size, init_data_size, boot_size; /* Ask kernel firmware_class module to get the boot firmware off disk. * request_firmware() is synchronous, file is in memory on return. */ - ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev); - if (ret < 0) { - IWL_ERROR("%s firmware file req failed: Reason %d\n", - name, ret); - goto error; + for (index = api_max; index >= api_min; index--) { + sprintf(buf, "%s%u%s", name_pre, index, ".ucode"); + ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev); + if (ret < 0) { + IWL_ERROR("%s firmware file req failed: Reason %d\n", + buf, ret); + if (ret == -ENOENT) + continue; + else + goto error; + } else { + if (index < api_max) + IWL_ERROR("Loaded firmware %s, which is deprecated. Please use API v%u instead.\n", + buf, api_max); + IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", + buf, ucode_raw->size); + break; + } } - IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n", - name, ucode_raw->size); + if (ret < 0) + goto error; /* Make sure that we got at least our header! */ if (ucode_raw->size < sizeof(*ucode)) { @@ -5417,20 +5351,46 @@ static int iwl3945_read_ucode(struct iwl3945_priv *priv) /* Data from ucode file: header followed by uCode images */ ucode = (void *)ucode_raw->data; - ver = le32_to_cpu(ucode->ver); + priv->ucode_ver = le32_to_cpu(ucode->ver); + api_ver = IWL_UCODE_API(priv->ucode_ver); inst_size = le32_to_cpu(ucode->inst_size); data_size = le32_to_cpu(ucode->data_size); init_size = le32_to_cpu(ucode->init_size); init_data_size = le32_to_cpu(ucode->init_data_size); boot_size = le32_to_cpu(ucode->boot_size); - IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver); + /* api_ver should match the api version forming part of the + * firmware filename ... but we don't check for that and only rely + * on the API version read from firware header from here on forward */ + + if (api_ver < api_min || api_ver > api_max) { + IWL_ERROR("Driver unable to support your firmware API. " + "Driver supports v%u, firmware is v%u.\n", + api_max, api_ver); + priv->ucode_ver = 0; + ret = -EINVAL; + goto err_release; + } + if (api_ver != api_max) + IWL_ERROR("Firmware has old API version. Expected %u, " + "got %u. New firmware can be obtained " + "from http://www.intellinuxwireless.org.\n", + api_max, api_ver); + + printk(KERN_INFO DRV_NAME " loaded firmware version %u.%u.%u.%u\n", + IWL_UCODE_MAJOR(priv->ucode_ver), + IWL_UCODE_MINOR(priv->ucode_ver), + IWL_UCODE_API(priv->ucode_ver), + IWL_UCODE_SERIAL(priv->ucode_ver)); + IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n", + priv->ucode_ver); IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size); IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", data_size); IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", init_size); IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", init_data_size); IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", boot_size); + /* Verify size of file vs. image size info in file's header */ if (ucode_raw->size < sizeof(*ucode) + inst_size + data_size + init_size + @@ -5607,7 +5567,7 @@ static int iwl3945_set_ucode_ptrs(struct iwl3945_priv *priv) iwl3945_write_prph(priv, BSM_DRAM_DATA_BYTECOUNT_REG, priv->ucode_data.len); - /* Inst bytecount must be last to set up, bit 31 signals uCode + /* Inst byte count must be last to set up, bit 31 signals uCode * that all new ptr/size info is in place */ iwl3945_write_prph(priv, BSM_DRAM_INST_BYTECOUNT_REG, priv->ucode_code.len | BSM_DRAM_INST_LOAD); @@ -5665,6 +5625,10 @@ static void iwl3945_init_alive_start(struct iwl3945_priv *priv) } +/* temporary */ +static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, + struct sk_buff *skb); + /** * iwl3945_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's @@ -5699,7 +5663,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) rc = iwl3945_grab_nic_access(priv); if (rc) { - IWL_WARNING("Can not read rfkill status from adapter\n"); + IWL_WARNING("Can not read RFKILL status from adapter\n"); return; } @@ -5709,7 +5673,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) if (rfkill & 0x1) { clear_bit(STATUS_RF_KILL_HW, &priv->status); - /* if rfkill is not on, then wait for thermal + /* if RFKILL is not on, then wait for thermal * sensor in adapter to kick in */ while (iwl3945_hw_get_temperature(priv) == 0) { thermal_spin++; @@ -5747,7 +5711,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK; } else { /* Initialize our rx_config data */ - iwl3945_connection_init_rx_config(priv); + iwl3945_connection_init_rx_config(priv, priv->iw_mode); memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); } @@ -5768,6 +5732,14 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv) if (priv->error_recovering) iwl3945_error_recovery(priv); + /* reassociate for ADHOC mode */ + if (priv->vif && (priv->iw_mode == NL80211_IFTYPE_ADHOC)) { + struct sk_buff *beacon = ieee80211_beacon_get(priv->hw, + priv->vif); + if (beacon) + iwl3945_mac_beacon_update(priv->hw, beacon); + } + return; restart: @@ -5902,7 +5874,7 @@ static int __iwl3945_up(struct iwl3945_priv *priv) } if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { - IWL_ERROR("ucode not available for device bringup\n"); + IWL_ERROR("ucode not available for device bring up\n"); return -EIO; } @@ -6046,24 +6018,6 @@ static void iwl3945_bg_rf_kill(struct work_struct *work) iwl3945_rfkill_set_hw_state(priv); } -static void iwl3945_bg_set_monitor(struct work_struct *work) -{ - struct iwl3945_priv *priv = container_of(work, - struct iwl3945_priv, set_monitor); - - IWL_DEBUG(IWL_DL_STATE, "setting monitor mode\n"); - - mutex_lock(&priv->mutex); - - if (!iwl3945_is_ready(priv)) - IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n"); - else - if (iwl3945_set_mode(priv, NL80211_IFTYPE_MONITOR) != 0) - IWL_ERROR("iwl3945_set_mode() failed\n"); - - mutex_unlock(&priv->mutex); -} - #define IWL_SCAN_CHECK_WATCHDOG (7 * HZ) static void iwl3945_bg_scan_check(struct work_struct *data) @@ -6101,6 +6055,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) struct ieee80211_conf *conf = NULL; u8 n_probes = 2; enum ieee80211_band band; + DECLARE_SSID_BUF(ssid); conf = ieee80211_get_hw_conf(priv->hw); @@ -6111,7 +6066,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) goto done; } - /* Make sure the scan wasn't cancelled before this queued work + /* Make sure the scan wasn't canceled before this queued work * was given the chance to run... */ if (!test_bit(STATUS_SCANNING, &priv->status)) goto done; @@ -6201,21 +6156,13 @@ static void iwl3945_bg_request_scan(struct work_struct *data) if (priv->one_direct_scan) { IWL_DEBUG_SCAN ("Kicking off one direct scan for '%s'\n", - iwl3945_escape_essid(priv->direct_ssid, - priv->direct_ssid_len)); + print_ssid(ssid, priv->direct_ssid, + priv->direct_ssid_len)); scan->direct_scan[0].id = WLAN_EID_SSID; scan->direct_scan[0].len = priv->direct_ssid_len; memcpy(scan->direct_scan[0].ssid, priv->direct_ssid, priv->direct_ssid_len); n_probes++; - } else if (!iwl3945_is_associated(priv) && priv->essid_len) { - IWL_DEBUG_SCAN - ("Kicking off one direct scan for '%s' when not associated\n", - iwl3945_escape_essid(priv->essid, priv->essid_len)); - scan->direct_scan[0].id = WLAN_EID_SSID; - scan->direct_scan[0].len = priv->essid_len; - memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len); - n_probes++; } else IWL_DEBUG_SCAN("Kicking off one indirect scan.\n"); @@ -6223,7 +6170,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) * that based on the direct_mask added to each channel entry */ scan->tx_cmd.len = cpu_to_le16( iwl3945_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data, - IWL_MAX_SCAN_SIZE - sizeof(*scan), 0)); + IWL_MAX_SCAN_SIZE - sizeof(*scan))); scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK; scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id; scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; @@ -6333,7 +6280,6 @@ static void iwl3945_post_associate(struct iwl3945_priv *priv) { int rc = 0; struct ieee80211_conf *conf = NULL; - DECLARE_MAC_BUF(mac); if (priv->iw_mode == NL80211_IFTYPE_AP) { IWL_ERROR("%s Should not be called in AP mode\n", __func__); @@ -6341,9 +6287,8 @@ static void iwl3945_post_associate(struct iwl3945_priv *priv) } - IWL_DEBUG_ASSOC("Associated as %d to: %s\n", - priv->assoc_id, - print_mac(mac, priv->active_rxon.bssid_addr)); + IWL_DEBUG_ASSOC("Associated as %d to: %pM\n", + priv->assoc_id, priv->active_rxon.bssid_addr); if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; @@ -6398,10 +6343,7 @@ static void iwl3945_post_associate(struct iwl3945_priv *priv) case NL80211_IFTYPE_ADHOC: - /* clear out the station table */ - iwl3945_clear_stations_table(priv); - - iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0); + priv->assoc_id = 1; iwl3945_add_station(priv, priv->bssid, 0, 0); iwl3945_sync_sta(priv, IWL_STA_ID, (priv->band == IEEE80211_BAND_5GHZ) ? @@ -6439,7 +6381,7 @@ static void iwl3945_bg_abort_scan(struct work_struct *work) mutex_unlock(&priv->mutex); } -static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf); +static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed); static void iwl3945_bg_scan_completed(struct work_struct *work) { @@ -6452,7 +6394,7 @@ static void iwl3945_bg_scan_completed(struct work_struct *work) return; if (test_bit(STATUS_CONF_PENDING, &priv->status)) - iwl3945_mac_config(priv->hw, ieee80211_get_hw_conf(priv->hw)); + iwl3945_mac_config(priv->hw, 0); ieee80211_scan_completed(priv->hw); @@ -6604,7 +6546,6 @@ static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, { struct iwl3945_priv *priv = hw->priv; unsigned long flags; - DECLARE_MAC_BUF(mac); IWL_DEBUG_MAC80211("enter: type %d\n", conf->type); @@ -6615,13 +6556,14 @@ static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, spin_lock_irqsave(&priv->lock, flags); priv->vif = conf->vif; + priv->iw_mode = conf->type; spin_unlock_irqrestore(&priv->lock, flags); mutex_lock(&priv->mutex); if (conf->mac_addr) { - IWL_DEBUG_MAC80211("Set: %s\n", print_mac(mac, conf->mac_addr)); + IWL_DEBUG_MAC80211("Set: %pM\n", conf->mac_addr); memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); } @@ -6641,10 +6583,11 @@ static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, * be set inappropriately and the driver currently sets the hardware up to * use it whenever needed. */ -static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) +static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed) { struct iwl3945_priv *priv = hw->priv; const struct iwl3945_channel_info *ch_info; + struct ieee80211_conf *conf = &hw->conf; unsigned long flags; int ret = 0; @@ -6782,16 +6725,11 @@ static void iwl3945_config_ap(struct iwl3945_priv *priv) * clear sta table, add BCAST sta... */ } -/* temporary */ -static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb); - static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_if_conf *conf) { struct iwl3945_priv *priv = hw->priv; - DECLARE_MAC_BUF(mac); - unsigned long flags; int rc; if (conf == NULL) @@ -6808,28 +6746,20 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); if (!beacon) return -ENOMEM; + mutex_lock(&priv->mutex); rc = iwl3945_mac_beacon_update(hw, beacon); + mutex_unlock(&priv->mutex); if (rc) return rc; } - /* XXX: this MUST use conf->mac_addr */ - - if ((priv->iw_mode == NL80211_IFTYPE_AP) && - (!conf->ssid_len)) { - IWL_DEBUG_MAC80211 - ("Leaving in AP mode because HostAPD is not ready.\n"); - return 0; - } - if (!iwl3945_is_alive(priv)) return -EAGAIN; mutex_lock(&priv->mutex); if (conf->bssid) - IWL_DEBUG_MAC80211("bssid: %s\n", - print_mac(mac, conf->bssid)); + IWL_DEBUG_MAC80211("bssid: %pM\n", conf->bssid); /* * very dubious code was here; the probe filtering flag is never set: @@ -6842,8 +6772,8 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, if (!conf->bssid) { conf->bssid = priv->mac_addr; memcpy(priv->bssid, priv->mac_addr, ETH_ALEN); - IWL_DEBUG_MAC80211("bssid was set to: %s\n", - print_mac(mac, conf->bssid)); + IWL_DEBUG_MAC80211("bssid was set to: %pM\n", + conf->bssid); } if (priv->ibss_beacon) dev_kfree_skb(priv->ibss_beacon); @@ -6889,15 +6819,6 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, } done: - spin_lock_irqsave(&priv->lock, flags); - if (!conf->ssid_len) - memset(priv->essid, 0, IW_ESSID_MAX_SIZE); - else - memcpy(priv->essid, conf->ssid, conf->ssid_len); - - priv->essid_len = conf->ssid_len; - spin_unlock_irqrestore(&priv->lock, flags); - IWL_DEBUG_MAC80211("leave\n"); mutex_unlock(&priv->mutex); @@ -6910,16 +6831,43 @@ static void iwl3945_configure_filter(struct ieee80211_hw *hw, int mc_count, struct dev_addr_list *mc_list) { struct iwl3945_priv *priv = hw->priv; + __le32 *filter_flags = &priv->staging_rxon.filter_flags; - if (changed_flags & (*total_flags) & FIF_OTHER_BSS) { - IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n", - NL80211_IFTYPE_MONITOR, - 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); + IWL_DEBUG_MAC80211("Enter: changed: 0x%x, total: 0x%x\n", + changed_flags, *total_flags); + + if (changed_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) { + if (*total_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) + *filter_flags |= RXON_FILTER_PROMISC_MSK; + else + *filter_flags &= ~RXON_FILTER_PROMISC_MSK; } - *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | + if (changed_flags & FIF_ALLMULTI) { + if (*total_flags & FIF_ALLMULTI) + *filter_flags |= RXON_FILTER_ACCEPT_GRP_MSK; + else + *filter_flags &= ~RXON_FILTER_ACCEPT_GRP_MSK; + } + if (changed_flags & FIF_CONTROL) { + if (*total_flags & FIF_CONTROL) + *filter_flags |= RXON_FILTER_CTL2HOST_MSK; + else + *filter_flags &= ~RXON_FILTER_CTL2HOST_MSK; + } + if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { + if (*total_flags & FIF_BCN_PRBRESP_PROMISC) + *filter_flags |= RXON_FILTER_BCON_AWARE_MSK; + else + *filter_flags &= ~RXON_FILTER_BCON_AWARE_MSK; + } + + /* We avoid iwl_commit_rxon here to commit the new filter flags + * since mac80211 will call ieee80211_hw_config immediately. + * (mc_list is not supported at this time). Otherwise, we need to + * queue a background iwl_commit_rxon work. + */ + + *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS | FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL; } @@ -6940,8 +6888,6 @@ static void iwl3945_mac_remove_interface(struct ieee80211_hw *hw, if (priv->vif == conf->vif) { priv->vif = NULL; memset(priv->bssid, 0, ETH_ALEN); - memset(priv->essid, 0, IW_ESSID_MAX_SIZE); - priv->essid_len = 0; } mutex_unlock(&priv->mutex); @@ -7010,6 +6956,7 @@ static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) int rc = 0; unsigned long flags; struct iwl3945_priv *priv = hw->priv; + DECLARE_SSID_BUF(ssid_buf); IWL_DEBUG_MAC80211("enter\n"); @@ -7022,12 +6969,6 @@ static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) goto out_unlock; } - if (priv->iw_mode == NL80211_IFTYPE_AP) { /* APs don't scan */ - rc = -EIO; - IWL_ERROR("ERROR: APs don't scan\n"); - goto out_unlock; - } - /* we don't schedule scan within next_scan_jiffies period */ if (priv->next_scan_jiffies && time_after(priv->next_scan_jiffies, jiffies)) { @@ -7043,7 +6984,7 @@ static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len) } if (len) { IWL_DEBUG_SCAN("direct scan for %s [%d]\n ", - iwl3945_escape_essid(ssid, len), (int)len); + print_ssid(ssid_buf, ssid, len), (int)len); priv->one_direct_scan = 1; priv->direct_ssid_len = (u8) @@ -7084,10 +7025,8 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, sta_id = iwl3945_hw_find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { - DECLARE_MAC_BUF(mac); - - IWL_DEBUG_MAC80211("leave - %s not in station map.\n", - print_mac(mac, addr)); + IWL_DEBUG_MAC80211("leave - %pM not in station map.\n", + addr); return -EINVAL; } @@ -7143,11 +7082,6 @@ static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, return 0; } - if (!priv->qos_data.qos_enable) { - priv->qos_data.qos_active = 0; - IWL_DEBUG_MAC80211("leave - qos not enabled\n"); - return 0; - } q = AC_NUM - 1 - queue; spin_lock_irqsave(&priv->lock, flags); @@ -7219,14 +7153,6 @@ static int iwl3945_mac_get_stats(struct ieee80211_hw *hw, return 0; } -static u64 iwl3945_mac_get_tsf(struct ieee80211_hw *hw) -{ - IWL_DEBUG_MAC80211("enter\n"); - IWL_DEBUG_MAC80211("leave\n"); - - return 0; -} - static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw) { struct iwl3945_priv *priv = hw->priv; @@ -7292,18 +7218,15 @@ static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk struct iwl3945_priv *priv = hw->priv; unsigned long flags; - mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211("enter\n"); if (!iwl3945_is_ready_rf(priv)) { IWL_DEBUG_MAC80211("leave - RF not ready\n"); - mutex_unlock(&priv->mutex); return -EIO; } if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { IWL_DEBUG_MAC80211("leave - not IBSS\n"); - mutex_unlock(&priv->mutex); return -EIO; } @@ -7323,7 +7246,6 @@ static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk iwl3945_post_associate(priv); - mutex_unlock(&priv->mutex); return 0; } @@ -7792,7 +7714,7 @@ static DEVICE_ATTR(dump_events, S_IWUSR, NULL, dump_event_log); /***************************************************************************** * - * driver setup and teardown + * driver setup and tear down * *****************************************************************************/ @@ -7810,7 +7732,6 @@ static void iwl3945_setup_deferred_work(struct iwl3945_priv *priv) INIT_WORK(&priv->abort_scan, iwl3945_bg_abort_scan); INIT_WORK(&priv->rf_kill, iwl3945_bg_rf_kill); INIT_WORK(&priv->beacon_update, iwl3945_bg_beacon_update); - INIT_WORK(&priv->set_monitor, iwl3945_bg_set_monitor); INIT_DELAYED_WORK(&priv->init_alive_start, iwl3945_bg_init_alive_start); INIT_DELAYED_WORK(&priv->alive_start, iwl3945_bg_alive_start); INIT_DELAYED_WORK(&priv->scan_check, iwl3945_bg_scan_check); @@ -7869,7 +7790,6 @@ static struct ieee80211_ops iwl3945_hw_ops = { .get_stats = iwl3945_mac_get_stats, .get_tx_stats = iwl3945_mac_get_tx_stats, .conf_tx = iwl3945_mac_conf_tx, - .get_tsf = iwl3945_mac_get_tsf, .reset_tsf = iwl3945_mac_reset_tsf, .bss_info_changed = iwl3945_bss_info_changed, .hw_scan = iwl3945_mac_hw_scan @@ -7882,7 +7802,10 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e struct ieee80211_hw *hw; struct iwl_3945_cfg *cfg = (struct iwl_3945_cfg *)(ent->driver_data); unsigned long flags; - DECLARE_MAC_BUF(mac); + + /*********************** + * 1. Allocating HW data + * ********************/ /* Disabling hardware scan means that mac80211 will perform scans * "the hard way", rather than using device's scan. */ @@ -7907,48 +7830,41 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e err = -ENOMEM; goto out; } - SET_IEEE80211_DEV(hw, &pdev->dev); - hw->rate_control_algorithm = "iwl-3945-rs"; - hw->sta_data_size = sizeof(struct iwl3945_sta_priv); + SET_IEEE80211_DEV(hw, &pdev->dev); - IWL_DEBUG_INFO("*** LOAD DRIVER ***\n"); priv = hw->priv; priv->hw = hw; - priv->pci_dev = pdev; priv->cfg = cfg; + IWL_DEBUG_INFO("*** LOAD DRIVER ***\n"); + hw->rate_control_algorithm = "iwl-3945-rs"; + hw->sta_data_size = sizeof(struct iwl3945_sta_priv); + /* Select antenna (may be helpful if only one antenna is connected) */ priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna; #ifdef CONFIG_IWL3945_DEBUG iwl3945_debug_level = iwl3945_param_debug; atomic_set(&priv->restrict_refcnt, 0); #endif - priv->retry_rate = 1; - - priv->ibss_beacon = NULL; /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; hw->wiphy->interface_modes = - BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); + hw->wiphy->fw_handles_regulatory = true; + /* 4 EDCA QOS priorities */ hw->queues = 4; - spin_lock_init(&priv->lock); - spin_lock_init(&priv->power_data.lock); - spin_lock_init(&priv->sta_lock); - spin_lock_init(&priv->hcmd_lock); - - INIT_LIST_HEAD(&priv->free_frames); - - mutex_init(&priv->mutex); + /*************************** + * 2. Initializing PCI bus + * *************************/ if (pci_enable_device(pdev)) { err = -ENODEV; goto out_ieee80211_free_hw; @@ -7956,14 +7872,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e pci_set_master(pdev); - /* Clear the driver's (not device's) station table */ - iwl3945_clear_stations_table(priv); - - priv->data_retry_limit = -1; - priv->ieee_channels = NULL; - priv->ieee_rates = NULL; - priv->band = IEEE80211_BAND_2GHZ; - err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (!err) err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); @@ -7977,10 +7885,9 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e if (err) goto out_pci_disable_device; - /* We disable the RETRY_TIMEOUT register (0x41) to keep - * PCI Tx retries from interfering with C3 CPU state */ - pci_write_config_byte(pdev, 0x41, 0x00); - + /*********************** + * 3. Read REV Register + * ********************/ priv->hw_base = pci_iomap(pdev, 0, 0); if (!priv->hw_base) { err = -ENODEV; @@ -7991,97 +7898,144 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e (unsigned long long) pci_resource_len(pdev, 0)); IWL_DEBUG_INFO("pci_resource_base = %p\n", priv->hw_base); - /* Initialize module parameter values here */ + /* We disable the RETRY_TIMEOUT register (0x41) to keep + * PCI Tx retries from interfering with C3 CPU state */ + pci_write_config_byte(pdev, 0x41, 0x00); - /* Disable radio (SW RF KILL) via parameter when loading driver */ - if (iwl3945_param_disable) { - set_bit(STATUS_RF_KILL_SW, &priv->status); - IWL_DEBUG_INFO("Radio disabled.\n"); - } + /* nic init */ + iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS, + CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); - priv->iw_mode = NL80211_IFTYPE_STATION; + iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + err = iwl3945_poll_direct_bit(priv, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + if (err < 0) { + IWL_DEBUG_INFO("Failed to init the card\n"); + goto out_remove_sysfs; + } - printk(KERN_INFO DRV_NAME - ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name); + /*********************** + * 4. Read EEPROM + * ********************/ + /* Read the EEPROM */ + err = iwl3945_eeprom_init(priv); + if (err) { + IWL_ERROR("Unable to init EEPROM\n"); + goto out_remove_sysfs; + } + /* MAC Address location in EEPROM same for 3945/4965 */ + get_eeprom_mac(priv, priv->mac_addr); + IWL_DEBUG_INFO("MAC address: %pM\n", priv->mac_addr); + SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); + /*********************** + * 5. Setup HW Constants + * ********************/ /* Device-specific setup */ if (iwl3945_hw_set_hw_setting(priv)) { IWL_ERROR("failed to set hw settings\n"); goto out_iounmap; } - if (iwl3945_param_qos_enable) - priv->qos_data.qos_enable = 1; + /*********************** + * 6. Setup priv + * ********************/ + priv->retry_rate = 1; + priv->ibss_beacon = NULL; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->power_data.lock); + spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->hcmd_lock); + + INIT_LIST_HEAD(&priv->free_frames); + mutex_init(&priv->mutex); + + /* Clear the driver's (not device's) station table */ + iwl3945_clear_stations_table(priv); + + priv->data_retry_limit = -1; + priv->ieee_channels = NULL; + priv->ieee_rates = NULL; + priv->band = IEEE80211_BAND_2GHZ; + + priv->iw_mode = NL80211_IFTYPE_STATION; iwl3945_reset_qos(priv); priv->qos_data.qos_active = 0; priv->qos_data.qos_cap.val = 0; - iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); - iwl3945_setup_deferred_work(priv); - iwl3945_setup_rx_handlers(priv); priv->rates_mask = IWL_RATES_MASK; /* If power management is turned on, default to AC mode */ priv->power_mode = IWL_POWER_AC; priv->user_txpower_limit = IWL_DEFAULT_TX_POWER; - spin_lock_irqsave(&priv->lock, flags); - iwl3945_disable_interrupts(priv); - spin_unlock_irqrestore(&priv->lock, flags); - - err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group); + err = iwl3945_init_channel_map(priv); if (err) { - IWL_ERROR("failed to create sysfs device attributes\n"); + IWL_ERROR("initializing regulatory failed: %d\n", err); goto out_release_irq; } - /* nic init */ - iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS, - CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); - - iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - err = iwl3945_poll_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); - if (err < 0) { - IWL_DEBUG_INFO("Failed to init the card\n"); - goto out_remove_sysfs; - } - /* Read the EEPROM */ - err = iwl3945_eeprom_init(priv); + err = iwl3945_init_geos(priv); if (err) { - IWL_ERROR("Unable to init EEPROM\n"); - goto out_remove_sysfs; + IWL_ERROR("initializing geos failed: %d\n", err); + goto out_free_channel_map; } - /* MAC Address location in EEPROM same for 3945/4965 */ - get_eeprom_mac(priv, priv->mac_addr); - IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac, priv->mac_addr)); - SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr); - err = iwl3945_init_channel_map(priv); - if (err) { - IWL_ERROR("initializing regulatory failed: %d\n", err); - goto out_remove_sysfs; + printk(KERN_INFO DRV_NAME + ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name); + + /*********************************** + * 7. Initialize Module Parameters + * **********************************/ + + /* Initialize module parameter values here */ + /* Disable radio (SW RF KILL) via parameter when loading driver */ + if (iwl3945_param_disable) { + set_bit(STATUS_RF_KILL_SW, &priv->status); + IWL_DEBUG_INFO("Radio disabled.\n"); } - err = iwl3945_init_geos(priv); + + /*********************** + * 8. Setup Services + * ********************/ + + spin_lock_irqsave(&priv->lock, flags); + iwl3945_disable_interrupts(priv); + spin_unlock_irqrestore(&priv->lock, flags); + + err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group); if (err) { - IWL_ERROR("initializing geos failed: %d\n", err); - goto out_free_channel_map; + IWL_ERROR("failed to create sysfs device attributes\n"); + goto out_free_geos; } + iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6); + iwl3945_setup_deferred_work(priv); + iwl3945_setup_rx_handlers(priv); + + /*********************** + * 9. Conclude + * ********************/ + pci_save_state(pdev); + pci_disable_device(pdev); + + /********************************* + * 10. Setup and Register mac80211 + * *******************************/ + err = ieee80211_register_hw(priv->hw); if (err) { IWL_ERROR("Failed to register network device (error %d)\n", err); - goto out_free_geos; + goto out_remove_sysfs; } priv->hw->conf.beacon_int = 100; priv->mac80211_registered = 1; - pci_save_state(pdev); - pci_disable_device(pdev); + err = iwl3945_rfkill_init(priv); if (err) @@ -8090,12 +8044,13 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e return 0; + out_remove_sysfs: + sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); out_free_geos: iwl3945_free_geos(priv); out_free_channel_map: iwl3945_free_channel_map(priv); - out_remove_sysfs: - sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group); + out_release_irq: destroy_workqueue(priv->workqueue); @@ -8222,7 +8177,7 @@ static int iwl3945_rfkill_soft_rf_kill(void *data, enum rfkill_state state) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return 0; - IWL_DEBUG_RF_KILL("we recieved soft RFKILL set to state %d\n", state); + IWL_DEBUG_RF_KILL("we received soft RFKILL set to state %d\n", state); mutex_lock(&priv->mutex); switch (state) { @@ -8237,7 +8192,7 @@ static int iwl3945_rfkill_soft_rf_kill(void *data, enum rfkill_state state) iwl3945_radio_kill_sw(priv, 1); break; default: - IWL_WARNING("we recieved unexpected RFKILL state %d\n", state); + IWL_WARNING("we received unexpected RFKILL state %d\n", state); break; } out_unlock: @@ -8379,7 +8334,7 @@ static void __exit iwl3945_exit(void) iwl3945_rate_control_unregister(); } -MODULE_FIRMWARE("iwlwifi-3945" IWL3945_UCODE_API ".ucode"); +MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX)); module_param_named(antenna, iwl3945_param_antenna, int, 0444); MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])"); @@ -8388,7 +8343,7 @@ MODULE_PARM_DESC(disable, "manually disable the radio (default 0 [radio on])"); module_param_named(hwcrypto, iwl3945_param_hwcrypto, int, 0444); MODULE_PARM_DESC(hwcrypto, "using hardware crypto engine (default 0 [software])\n"); -module_param_named(debug, iwl3945_param_debug, int, 0444); +module_param_named(debug, iwl3945_param_debug, uint, 0444); MODULE_PARM_DESC(debug, "debug output mask"); module_param_named(disable_hw_scan, iwl3945_param_disable_hw_scan, int, 0444); MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); @@ -8396,9 +8351,5 @@ MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)"); module_param_named(queues_num, iwl3945_param_queues_num, int, 0444); MODULE_PARM_DESC(queues_num, "number of hw queues."); -/* QoS */ -module_param_named(qos_enable, iwl3945_param_qos_enable, int, 0444); -MODULE_PARM_DESC(qos_enable, "enable all QoS functionality"); - module_exit(iwl3945_exit); module_init(iwl3945_init); |