diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-4965.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-5000.c | 16 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-6000.c | 106 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 79 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-commands.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 54 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 5 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 22 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-hcmd.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-io.h | 20 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-prph.h | 19 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-scan.c | 18 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-tx.c | 12 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 42 |
16 files changed, 234 insertions, 192 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 09a7bd2..26a1134 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -564,7 +564,7 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv, return; } - skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC); + skb = alloc_skb(IWL_LINK_HDR_MAX * 2, GFP_ATOMIC); if (!skb) { IWL_ERR(priv, "alloc_skb failed\n"); return; @@ -575,6 +575,7 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl_priv *priv, (struct ieee80211_hdr *)rxb_addr(rxb), le32_to_cpu(rx_end->status), stats); + skb_reserve(skb, IWL_LINK_HDR_MAX); skb_add_rx_frag(skb, 0, rxb->page, (void *)rx_hdr->payload - (void *)pkt, len); diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 1ff465a..1d22ea3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -1449,14 +1449,14 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) is_ht40 = is_ht40_channel(priv->staging_rxon.flags); if (is_ht40 && - (priv->active_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK)) + (priv->staging_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK)) ctrl_chan_high = 1; cmd.band = band; cmd.expect_beacon = 0; cmd.channel = cpu_to_le16(channel); - cmd.rxon_flags = priv->active_rxon.flags; - cmd.rxon_filter_flags = priv->active_rxon.filter_flags; + cmd.rxon_flags = priv->staging_rxon.flags; + cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); if (ch_info) cmd.expect_beacon = is_channel_radar(ch_info); @@ -1473,8 +1473,10 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel) return rc; } - rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd); - return rc; + priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.switch_in_progress = true; + + return iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd); } /** @@ -2228,7 +2230,7 @@ struct iwl_cfg iwl4965_agn_cfg = { .num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES, .mod_params = &iwl4965_mod_params, .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, + .valid_rx_ant = ANT_ABC, .pll_cfg_val = 0, .set_l0s = true, .use_bsm = true, diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 910217f..6eaf26b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -661,9 +661,13 @@ int iwl5000_alive_notify(struct iwl_priv *priv) iwl_txq_ctx_activate(priv, i); iwl5000_tx_queue_set_status(priv, &priv->txq[i], ac, 0); } - /* TODO - need to initialize those FIFOs inside the loop above, - * not only mark them as active */ - iwl_txq_ctx_activate(priv, 4); + + /* + * TODO - need to initialize these queues and map them to FIFOs + * in the loop above, not only mark them as active. We do this + * because we want the first aggregation queue to be queue #10, + * but do not use 8 or 9 otherwise yet. + */ iwl_txq_ctx_activate(priv, 7); iwl_txq_ctx_activate(priv, 8); iwl_txq_ctx_activate(priv, 9); @@ -1387,8 +1391,8 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel) priv->active_rxon.channel, channel); cmd.band = priv->band == IEEE80211_BAND_2GHZ; cmd.channel = cpu_to_le16(channel); - cmd.rxon_flags = priv->active_rxon.flags; - cmd.rxon_filter_flags = priv->active_rxon.filter_flags; + cmd.rxon_flags = priv->staging_rxon.flags; + cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); ch_info = iwl_get_channel_info(priv, priv->band, channel); if (ch_info) @@ -1398,6 +1402,8 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel) priv->active_rxon.channel, channel); return -EFAULT; } + priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_sync(priv, &hcmd); } diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 70e117f..f732f6d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -90,11 +90,7 @@ static void iwl6000_nic_config(struct iwl_priv *priv) CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); /* no locking required for register write */ - if (priv->cfg->pa_type == IWL_PA_HYBRID) { - /* 2x2 hybrid phy type */ - iwl_write32(priv, CSR_GP_DRIVER_REG, - CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_HYB); - } else if (priv->cfg->pa_type == IWL_PA_INTERNAL) { + if (priv->cfg->pa_type == IWL_PA_INTERNAL) { /* 2x2 IPA phy type */ iwl_write32(priv, CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA); @@ -166,9 +162,7 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) BIT(IWL_CALIB_XTAL) | BIT(IWL_CALIB_LO) | BIT(IWL_CALIB_TX_IQ) | - BIT(IWL_CALIB_TX_IQ_PERD) | BIT(IWL_CALIB_BASE_BAND); - return 0; } @@ -188,8 +182,8 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel) cmd.band = priv->band == IEEE80211_BAND_2GHZ; cmd.channel = cpu_to_le16(channel); - cmd.rxon_flags = priv->active_rxon.flags; - cmd.rxon_filter_flags = priv->active_rxon.filter_flags; + cmd.rxon_flags = priv->staging_rxon.flags; + cmd.rxon_filter_flags = priv->staging_rxon.filter_flags; cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time); ch_info = iwl_get_channel_info(priv, priv->band, channel); if (ch_info) @@ -199,6 +193,8 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel) priv->active_rxon.channel, channel); return -EFAULT; } + priv->switch_rxon.channel = cpu_to_le16(channel); + priv->switch_rxon.switch_in_progress = true; return iwl_send_cmd_sync(priv, &hcmd); } @@ -279,98 +275,6 @@ static struct iwl_ops iwl6050_ops = { .led = &iwlagn_led_ops, }; - -/* - * "h": Hybrid configuration, use both internal and external Power Amplifier - */ -struct iwl_cfg iwl6000h_2agn_cfg = { - .name = "6000 Series 2x2 AGN", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, - .ops = &iwl6000_ops, - .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .num_of_queues = IWL50_NUM_QUEUES, - .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES, - .mod_params = &iwl50_mod_params, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .pll_cfg_val = 0, - .set_l0s = true, - .use_bsm = false, - .pa_type = IWL_PA_HYBRID, - .max_ll_items = OTP_MAX_LL_ITEMS_6x00, - .shadow_ram_support = true, - .ht_greenfield_support = true, - .led_compensation = 51, - .use_rts_for_ht = true, /* use rts/cts protection */ - .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .supports_idle = true, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, -}; - -struct iwl_cfg iwl6000h_2abg_cfg = { - .name = "6000 Series 2x2 ABG", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_A|IWL_SKU_G, - .ops = &iwl6000_ops, - .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .num_of_queues = IWL50_NUM_QUEUES, - .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES, - .mod_params = &iwl50_mod_params, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .pll_cfg_val = 0, - .set_l0s = true, - .use_bsm = false, - .pa_type = IWL_PA_HYBRID, - .max_ll_items = OTP_MAX_LL_ITEMS_6x00, - .shadow_ram_support = true, - .ht_greenfield_support = true, - .led_compensation = 51, - .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .supports_idle = true, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, -}; - -struct iwl_cfg iwl6000h_2bg_cfg = { - .name = "6000 Series 2x2 BG", - .fw_name_pre = IWL6000_FW_PRE, - .ucode_api_max = IWL6000_UCODE_API_MAX, - .ucode_api_min = IWL6000_UCODE_API_MIN, - .sku = IWL_SKU_G, - .ops = &iwl6000_ops, - .eeprom_size = OTP_LOW_IMAGE_SIZE, - .eeprom_ver = EEPROM_6000_EEPROM_VERSION, - .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, - .num_of_queues = IWL50_NUM_QUEUES, - .num_of_ampdu_queues = IWL50_NUM_AMPDU_QUEUES, - .mod_params = &iwl50_mod_params, - .valid_tx_ant = ANT_AB, - .valid_rx_ant = ANT_AB, - .pll_cfg_val = 0, - .set_l0s = true, - .use_bsm = false, - .pa_type = IWL_PA_HYBRID, - .max_ll_items = OTP_MAX_LL_ITEMS_6x00, - .shadow_ram_support = true, - .ht_greenfield_support = true, - .led_compensation = 51, - .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .supports_idle = true, - .adv_thermal_throttle = true, - .support_ct_kill_exit = true, -}; - /* * "i": Internal configuration, use internal Power Amplifier */ diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b5fe8f8..da0b38e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -122,6 +122,17 @@ int iwl_commit_rxon(struct iwl_priv *priv) return -EINVAL; } + /* + * receive commit_rxon request + * abort any previous channel switch if still in process + */ + if (priv->switch_rxon.switch_in_progress && + (priv->switch_rxon.channel != priv->staging_rxon.channel)) { + IWL_DEBUG_11H(priv, "abort channel switch on %d\n", + le16_to_cpu(priv->switch_rxon.channel)); + priv->switch_rxon.switch_in_progress = false; + } + /* If we don't need to send a full RXON, we can use * iwl_rxon_assoc_cmd which is used to reconfigure filter * and other flags for the current radio configuration. */ @@ -133,6 +144,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) } memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); + iwl_print_rx_config_cmd(priv); return 0; } @@ -228,6 +240,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) } memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); } + iwl_print_rx_config_cmd(priv); iwl_init_sensitivity(priv); @@ -1071,6 +1084,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) u32 inta = 0; u32 handled = 0; unsigned long flags; + u32 i; #ifdef CONFIG_IWLWIFI_DEBUG u32 inta_mask; #endif @@ -1181,12 +1195,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_txq_update_write_ptr(priv, &priv->txq[0]); - iwl_txq_update_write_ptr(priv, &priv->txq[1]); - iwl_txq_update_write_ptr(priv, &priv->txq[2]); - iwl_txq_update_write_ptr(priv, &priv->txq[3]); - iwl_txq_update_write_ptr(priv, &priv->txq[4]); - iwl_txq_update_write_ptr(priv, &priv->txq[5]); + for (i = 0; i < priv->hw_params.max_txq_num; i++) + iwl_txq_update_write_ptr(priv, &priv->txq[i]); priv->isr_stats.wakeup++; @@ -1653,6 +1663,7 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ + unsigned long reg_flags; if (num_events == 0) return; @@ -1668,27 +1679,39 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&priv->reg_lock, reg_flags); + iwl_grab_nic_access(priv); + + /* Set starting address; reads will auto-increment */ + _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); + rmb(); + /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - time = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); } else { - data = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } + + /* Allow device to power down */ + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); } +/* For sanity check only. Actual size is determined by uCode, typ. 512 */ +#define MAX_EVENT_LOG_SIZE (512) + void iwl_dump_nic_event_log(struct iwl_priv *priv) { u32 base; /* SRAM byte address of event log header */ @@ -1714,6 +1737,18 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv) num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + if (capacity > MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", + capacity, MAX_EVENT_LOG_SIZE); + capacity = MAX_EVENT_LOG_SIZE; + } + + if (next_entry > MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", + next_entry, MAX_EVENT_LOG_SIZE); + next_entry = MAX_EVENT_LOG_SIZE; + } + size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ @@ -1899,19 +1934,17 @@ static void __iwl_down(struct iwl_priv *priv) /* device going down, Stop using ICT table */ iwl_disable_ict(priv); - spin_lock_irqsave(&priv->lock, flags); - iwl_clear_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - spin_unlock_irqrestore(&priv->lock, flags); iwl_txq_ctx_stop(priv); iwl_rxq_stop(priv); - iwl_write_prph(priv, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - + /* Power-down device's busmaster DMA clocks */ + iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); + /* Make sure (redundant) we've released our request to stay awake */ + iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + /* Stop the device, and put it in low power state */ priv->cfg->ops->lib->apm_ops.stop(priv); @@ -3439,14 +3472,6 @@ static struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x423D, PCI_ANY_ID, iwl5150_agn_cfg)}, /* 6x00 Series */ - {IWL_PCI_DEVICE(0x008D, 0x1301, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008D, 0x1321, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008D, 0x1326, iwl6000h_2abg_cfg)}, - {IWL_PCI_DEVICE(0x008D, 0x1306, iwl6000h_2abg_cfg)}, - {IWL_PCI_DEVICE(0x008D, 0x1307, iwl6000h_2bg_cfg)}, - {IWL_PCI_DEVICE(0x008E, 0x1311, iwl6000h_2agn_cfg)}, - {IWL_PCI_DEVICE(0x008E, 0x1316, iwl6000h_2abg_cfg)}, - {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)}, {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)}, {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index b62c90e..2857287 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2566,9 +2566,10 @@ struct iwl_scan_channel { /** * struct iwl_ssid_ie - directed scan network information element * - * Up to 4 of these may appear in REPLY_SCAN_CMD, selected by "type" field - * in struct iwl_scan_channel; each channel may select different ssids from - * among the 4 entries. SSID IEs get transmitted in reverse order of entry. + * Up to 20 of these may appear in REPLY_SCAN_CMD (Note: Only 4 are in + * 3945 SCAN api), selected by "type" bit field in struct iwl_scan_channel; + * each channel may select different ssids from among the 20 (4) entries. + * SSID IEs get transmitted in reverse order of entry. */ struct iwl_ssid_ie { u8 id; diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index e0b5b4a..d09e748 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1316,19 +1316,24 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon; struct iwl_csa_notification *csa = &(pkt->u.csa_notif); - if (!le32_to_cpu(csa->status)) { - rxon->channel = csa->channel; - priv->staging_rxon.channel = csa->channel; - IWL_DEBUG_11H(priv, "CSA notif: channel %d\n", - le16_to_cpu(csa->channel)); - } else - IWL_ERR(priv, "CSA notif (fail) : channel %d\n", - le16_to_cpu(csa->channel)); + if (priv->switch_rxon.switch_in_progress) { + if (!le32_to_cpu(csa->status) && + (csa->channel == priv->switch_rxon.channel)) { + rxon->channel = csa->channel; + priv->staging_rxon.channel = csa->channel; + IWL_DEBUG_11H(priv, "CSA notif: channel %d\n", + le16_to_cpu(csa->channel)); + } else + IWL_ERR(priv, "CSA notif (fail) : channel %d\n", + le16_to_cpu(csa->channel)); + + priv->switch_rxon.switch_in_progress = false; + } } EXPORT_SYMBOL(iwl_rx_csa); #ifdef CONFIG_IWLWIFI_DEBUG -static void iwl_print_rx_config_cmd(struct iwl_priv *priv) +void iwl_print_rx_config_cmd(struct iwl_priv *priv) { struct iwl_rxon_cmd *rxon = &priv->staging_rxon; @@ -1346,6 +1351,7 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv) IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr); IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); } +EXPORT_SYMBOL(iwl_print_rx_config_cmd); #endif /** * iwl_irq_handle_error - called for HW or SW error interrupt from card @@ -2310,12 +2316,6 @@ static void iwl_ht_conf(struct iwl_priv *priv, >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; maxstreams += 1; - ht_conf->sm_ps = - (u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS) - >> 2); - IWL_DEBUG_MAC80211(priv, "sm_ps: 0x%x\n", - ht_conf->sm_ps); - if ((ht_cap->mcs.rx_mask[1] == 0) && (ht_cap->mcs.rx_mask[2] == 0)) ht_conf->single_chain_sufficient = true; @@ -2689,14 +2689,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) goto set_ch_out; } - if (iwl_is_associated(priv) && - (le16_to_cpu(priv->active_rxon.channel) != ch) && - priv->cfg->ops->lib->set_channel_switch) { - ret = priv->cfg->ops->lib->set_channel_switch(priv, - ch); - goto out; - } - spin_lock_irqsave(&priv->lock, flags); /* Configure HT40 channels */ @@ -2731,6 +2723,22 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_flags_for_band(priv, conf->channel->band); spin_unlock_irqrestore(&priv->lock, flags); + if (iwl_is_associated(priv) && + (le16_to_cpu(priv->active_rxon.channel) != ch) && + priv->cfg->ops->lib->set_channel_switch) { + iwl_set_rate(priv); + /* + * at this point, staging_rxon has the + * configuration for channel switch + */ + ret = priv->cfg->ops->lib->set_channel_switch(priv, + ch); + if (!ret) { + iwl_print_rx_config_cmd(priv); + goto out; + } + priv->switch_rxon.switch_in_progress = false; + } set_ch_out: /* The list of supported rates and rate mask can be different * for each band; since the band may have changed, reset diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 9574d8f..3f97036 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -579,6 +579,7 @@ int iwl_pci_resume(struct pci_dev *pdev); #ifdef CONFIG_IWLWIFI_DEBUG void iwl_dump_nic_event_log(struct iwl_priv *priv); void iwl_dump_nic_error_log(struct iwl_priv *priv); +void iwl_print_rx_config_cmd(struct iwl_priv *priv); #else static inline void iwl_dump_nic_event_log(struct iwl_priv *priv) { @@ -587,6 +588,10 @@ static inline void iwl_dump_nic_event_log(struct iwl_priv *priv) static inline void iwl_dump_nic_error_log(struct iwl_priv *priv) { } + +static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv) +{ +} #endif void iwl_clear_isr_stats(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index cb2642c..9dea8fa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -324,8 +324,9 @@ struct iwl_channel_info { #define IWL_MIN_NUM_QUEUES 10 /* - * uCode queue management definitions ... - * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00. + * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00, + * the driver maps it into the appropriate device FIFO for the + * uCode. */ #define IWL_CMD_QUEUE_NUM 4 @@ -926,13 +927,11 @@ enum iwl_access_mode { /** * enum iwl_pa_type - Power Amplifier type * @IWL_PA_SYSTEM: based on uCode configuration - * @IWL_PA_HYBRID: use both Internal and external PA * @IWL_PA_INTERNAL: use Internal only */ enum iwl_pa_type { IWL_PA_SYSTEM = 0, - IWL_PA_HYBRID = 1, - IWL_PA_INTERNAL = 2, + IWL_PA_INTERNAL = 1, }; /* interrupt statistics */ @@ -993,6 +992,17 @@ struct traffic_stats { }; #endif +/* + * iwl_switch_rxon: "channel switch" structure + * + * @ switch_in_progress: channel switch in progress + * @ channel: new channel + */ +struct iwl_switch_rxon { + bool switch_in_progress; + __le16 channel; +}; + struct iwl_priv { /* ieee device used by generic ieee processing code */ @@ -1086,7 +1096,7 @@ struct iwl_priv { const struct iwl_rxon_cmd active_rxon; struct iwl_rxon_cmd staging_rxon; - struct iwl_rxon_cmd recovery_rxon; + struct iwl_switch_rxon switch_rxon; /* 1st responses from initialize and runtime uCode images. * 4965's initialize alive response contains some calibration data. */ diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index 905645d..e8002c1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -199,13 +199,13 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) } if (test_bit(STATUS_RF_KILL_HW, &priv->status)) { - IWL_DEBUG_INFO(priv, "Command %s aborted: RF KILL Switch\n", + IWL_ERR(priv, "Command %s aborted: RF KILL Switch\n", get_cmd_string(cmd->id)); ret = -ECANCELED; goto fail; } if (test_bit(STATUS_FW_ERROR, &priv->status)) { - IWL_DEBUG_INFO(priv, "Command %s failed: FW Error\n", + IWL_ERR(priv, "Command %s failed: FW Error\n", get_cmd_string(cmd->id)); ret = -EIO; goto fail; diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index 0a078b0..d0a358c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -200,6 +200,26 @@ static inline int _iwl_grab_nic_access(struct iwl_priv *priv) /* this bit wakes up the NIC */ _iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + + /* + * These bits say the device is running, and should keep running for + * at least a short while (at least as long as MAC_ACCESS_REQ stays 1), + * but they do not indicate that embedded SRAM is restored yet; + * 3945 and 4965 have volatile SRAM, and must save/restore contents + * to/from host DRAM when sleeping/waking for power-saving. + * Each direction takes approximately 1/4 millisecond; with this + * overhead, it's a good idea to grab and hold MAC_ACCESS_REQUEST if a + * series of register accesses are expected (e.g. reading Event Log), + * to keep device from sleeping. + * + * CSR_UCODE_DRV_GP1 register bit MAC_SLEEP == 0 indicates that + * SRAM is okay/restored. We don't check that here because this call + * is just for hardware register access; but GP1 MAC_SLEEP check is a + * good idea before accessing 3945/4965 SRAM (e.g. reading Event Log). + * + * 5000 series and later (including 1000 series) have non-volatile SRAM, + * and do not save/restore SRAM when power cycling. + */ ret = _iwl_poll_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index d393e8f..6d95832 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -254,7 +254,8 @@ * device. A queue maps to only one (selectable by driver) Tx DMA channel, * but one DMA channel may take input from several queues. * - * Tx DMA channels have dedicated purposes. For 4965, they are used as follows: + * Tx DMA channels have dedicated purposes. For 4965, they are used as follows + * (cf. default_queue_to_tx_fifo in iwl-4965.c): * * 0 -- EDCA BK (background) frames, lowest priority * 1 -- EDCA BE (best effort) frames, normal priority @@ -265,9 +266,21 @@ * 6 -- HCCA long frames * 7 -- not used by driver (device-internal only) * + * For 5000 series and up, they are used slightly differently + * (cf. iwl5000_default_queue_to_tx_fifo in iwl-5000.c): + * + * 0 -- EDCA BK (background) frames, lowest priority + * 1 -- EDCA BE (best effort) frames, normal priority + * 2 -- EDCA VI (video) frames, higher priority + * 3 -- EDCA VO (voice) and management frames, highest priority + * 4 -- (TBD) + * 5 -- HCCA short frames + * 6 -- HCCA long frames + * 7 -- Commands + * * Driver should normally map queues 0-6 to Tx DMA/FIFO channels 0-6. - * In addition, driver can map queues 7-15 to Tx DMA/FIFO channels 0-3 to - * support 11n aggregation via EDCA DMA channels. + * In addition, driver can map the remaining queues to Tx DMA/FIFO + * channels 0-3 to support 11n aggregation via EDCA DMA channels. * * The driver sets up each queue to work in one of two modes: * diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index e5339c9..61b3b0e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -140,6 +140,8 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { + IWL_DEBUG_INFO(priv, "Rx queue requesting wakeup, GP1 = 0x%x\n", + reg); iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); goto exit_unlock; @@ -937,12 +939,13 @@ static void iwl_pass_packet_to_mac80211(struct iwl_priv *priv, iwl_set_decrypted_flag(priv, hdr, ampdu_status, stats)) return; - skb = alloc_skb(IWL_LINK_HDR_MAX, GFP_ATOMIC); + skb = alloc_skb(IWL_LINK_HDR_MAX * 2, GFP_ATOMIC); if (!skb) { IWL_ERR(priv, "alloc_skb failed\n"); return; } + skb_reserve(skb, IWL_LINK_HDR_MAX); skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len); /* mac80211 currently doesn't support paged SKB. Convert it to diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 1eb0d0b..a2b2b83 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -581,6 +581,7 @@ static void iwl_bg_request_scan(struct work_struct *data) u8 rate; bool is_active = false; int chan_mod; + u8 active_chains; conf = ieee80211_get_hw_conf(priv->hw); @@ -734,9 +735,22 @@ static void iwl_bg_request_scan(struct work_struct *data) rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]); scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags); + /* In power save mode use one chain, otherwise use all chains */ + if (test_bit(STATUS_POWER_PMI, &priv->status)) { + /* rx_ant has been set to all valid chains previously */ + active_chains = rx_ant & + ((u8)(priv->chain_noise_data.active_chains)); + if (!active_chains) + active_chains = rx_ant; + + IWL_DEBUG_SCAN(priv, "chain_noise_data.active_chains: %u\n", + priv->chain_noise_data.active_chains); + + rx_ant = first_antenna(active_chains); + } /* MIMO is not used here, but value is required */ - rx_chain |= ANT_ABC << RXON_RX_CHAIN_VALID_POS; - rx_chain |= ANT_ABC << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS; + rx_chain |= priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS; + rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS; rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS; rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS; scan->rx_chain = cpu_to_le16(rx_chain); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 05e7510..9370e06 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -96,7 +96,8 @@ int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq) reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - IWL_DEBUG_INFO(priv, "Requesting wakeup, GP1 = 0x%x\n", reg); + IWL_DEBUG_INFO(priv, "Tx queue %d requesting wakeup, GP1 = 0x%x\n", + txq_id, reg); iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); return ret; @@ -364,8 +365,13 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, txq->need_update = 0; - /* aggregation TX queues will get their ID when aggregation begins */ - if (txq_id <= IWL_TX_FIFO_AC3) + /* + * Aggregation TX queues will get their ID when aggregation begins; + * they overwrite the setting done here. The command FIFO doesn't + * need an swq_id so don't set one to catch errors, all others can + * be set up to the identity mapping. + */ + if (txq_id != IWL_CMD_QUEUE_NUM) txq->swq_id = txq_id; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 23b31e6..05f1185 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1570,6 +1570,7 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ + unsigned long reg_flags; if (num_events == 0) return; @@ -1583,26 +1584,38 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&priv->reg_lock, reg_flags); + iwl_grab_nic_access(priv); + + /* Set starting address; reads will auto-increment */ + _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); + rmb(); + /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); - time = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); } else { - data = iwl_read_targ_mem(priv, ptr); - ptr += sizeof(u32); + data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev); trace_iwlwifi_dev_ucode_event(priv, time, data, ev); } } + + /* Allow device to power down */ + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); } +/* For sanity check only. Actual size is determined by uCode, typ. 512 */ +#define IWL3945_MAX_EVENT_LOG_SIZE (512) + void iwl3945_dump_nic_event_log(struct iwl_priv *priv) { u32 base; /* SRAM byte address of event log header */ @@ -1624,6 +1637,18 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv) num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + if (capacity > IWL3945_MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", + capacity, IWL3945_MAX_EVENT_LOG_SIZE); + capacity = IWL3945_MAX_EVENT_LOG_SIZE; + } + + if (next_entry > IWL3945_MAX_EVENT_LOG_SIZE) { + IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", + next_entry, IWL3945_MAX_EVENT_LOG_SIZE); + next_entry = IWL3945_MAX_EVENT_LOG_SIZE; + } + size = num_wraps ? capacity : next_entry; /* bail out if nothing in log */ @@ -2575,9 +2600,8 @@ static void __iwl3945_down(struct iwl_priv *priv) iwl3945_hw_txq_ctx_stop(priv); iwl3945_hw_rxq_stop(priv); - iwl_write_prph(priv, APMG_CLK_DIS_REG, - APMG_CLK_VAL_DMA_CLK_RQT); - + /* Power-down device's busmaster DMA clocks */ + iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); /* Stop the device, and put it in low power state */ |