diff options
author | John W. Linville <linville@tuxdriver.com> | 2012-03-05 15:05:54 -0500 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-03-05 15:05:54 -0500 |
commit | 051d3b50430160a86cbe4a2deef219c8038bd03f (patch) | |
tree | b2c276067819f259f86369e5341202332a8172be /drivers/net/wireless/iwlegacy | |
parent | ffcb97388b1d41b1db063eb041cb9af408662127 (diff) | |
parent | c288ec614e264b46853c65d3db9ccf91d53c9484 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlegacy')
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945-debug.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945-mac.c | 108 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945.c | 133 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/3945.h | 8 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965-calib.c | 16 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965-debug.c | 6 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965-mac.c | 592 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965.c | 402 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965.h | 21 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/Kconfig | 78 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/common.c | 548 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/common.h | 247 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/debug.c | 260 |
13 files changed, 996 insertions, 1429 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945-debug.c b/drivers/net/wireless/iwlegacy/3945-debug.c index 5e1a19fd354..f767dd106b0 100644 --- a/drivers/net/wireless/iwlegacy/3945-debug.c +++ b/drivers/net/wireless/iwlegacy/3945-debug.c @@ -503,3 +503,9 @@ il3945_ucode_general_stats_read(struct file *file, char __user *user_buf, kfree(buf); return ret; } + +const struct il_debugfs_ops il3945_debugfs_ops = { + .rx_stats_read = il3945_ucode_rx_stats_read, + .tx_stats_read = il3945_ucode_tx_stats_read, + .general_stats_read = il3945_ucode_general_stats_read, +}; diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c index aa8f5c0bd64..0ccc934a35b 100644 --- a/drivers/net/wireless/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/iwlegacy/3945-mac.c @@ -573,7 +573,6 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb) len = (u16) skb->len; tx_cmd->len = cpu_to_le16(len); - il_dbg_log_tx_data_frame(il, len, hdr); il_update_stats(il, true, fc, len); tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK; tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK; @@ -616,7 +615,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb) /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ - il->ops->lib->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0); + il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0); /* Set up TFD's 2nd entry to point directly to remainder of skb, * if any (802.11 null frames have no payload). */ @@ -625,8 +624,8 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb) phys_addr = pci_map_single(il->pci_dev, skb->data + hdr_len, len, PCI_DMA_TODEVICE); - il->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0, - U32_PAD(len)); + il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0, + U32_PAD(len)); } /* Tell device the write idx *just past* this latest filled TFD */ @@ -810,16 +809,16 @@ il3945_hdl_card_state(struct il_priv *il, struct il_rx_buf *rxb) _il_wr(il, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); if (flags & HW_CARD_DISABLED) - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); else - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); il_scan_cancel(il); - if ((test_bit(S_RF_KILL_HW, &status) != - test_bit(S_RF_KILL_HW, &il->status))) + if ((test_bit(S_RFKILL, &status) != + test_bit(S_RFKILL, &il->status))) wiphy_rfkill_set_hw_state(il->hw->wiphy, - test_bit(S_RF_KILL_HW, &il->status)); + test_bit(S_RFKILL, &il->status)); else wake_up(&il->wait_command_queue); } @@ -2167,7 +2166,7 @@ il3945_alive_start(struct il_priv *il) D_INFO("RFKILL status: 0x%x\n", rfkill); if (rfkill & 0x1) { - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); /* if RFKILL is not on, then wait for thermal * sensor in adapter to kick in */ while (il3945_hw_get_temperature(il) == 0) { @@ -2179,7 +2178,7 @@ il3945_alive_start(struct il_priv *il) D_INFO("Thermal calibration took %dus\n", thermal_spin * 10); } else - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); /* After the ALIVE response, we can send commands to 3945 uCode */ set_bit(S_ALIVE, &il->status); @@ -2273,12 +2272,8 @@ __il3945_down(struct il_priv *il) * clear all bits but the RF Kill bits and return */ if (!il_is_init(il)) { il->status = - test_bit(S_RF_KILL_HW, - &il-> - status) << S_RF_KILL_HW | - test_bit(S_GEO_CONFIGURED, - &il-> - status) << S_GEO_CONFIGURED | + test_bit(S_RFKILL, &il->status) << S_RFKILL | + test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED | test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING; goto exit; } @@ -2286,25 +2281,30 @@ __il3945_down(struct il_priv *il) /* ...otherwise clear out all the status bits but the RF Kill * bit and continue taking the NIC down. */ il->status &= - test_bit(S_RF_KILL_HW, - &il->status) << S_RF_KILL_HW | test_bit(S_GEO_CONFIGURED, - &il-> - status) << - S_GEO_CONFIGURED | test_bit(S_FW_ERROR, - &il-> - status) << S_FW_ERROR | + test_bit(S_RFKILL, &il->status) << S_RFKILL | + test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED | + test_bit(S_FW_ERROR, &il->status) << S_FW_ERROR | test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING; + /* + * We disabled and synchronized interrupt, and priv->mutex is taken, so + * here is the only thread which will program device registers, but + * still have lockdep assertions, so we are taking reg_lock. + */ + spin_lock_irq(&il->reg_lock); + /* FIXME: il_grab_nic_access if rfkill is off ? */ + il3945_hw_txq_ctx_stop(il); il3945_hw_rxq_stop(il); - /* Power-down device's busmaster DMA clocks */ - il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); + _il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); - /* Stop the device, and put it in low power state */ - il_apm_stop(il); + _il_apm_stop(il); + + spin_unlock_irq(&il->reg_lock); + il3945_hw_txq_ctx_free(il); exit: memset(&il->card_alive, 0, sizeof(struct il_alive_resp)); @@ -2371,9 +2371,9 @@ __il3945_up(struct il_priv *il) /* If platform's RF_KILL switch is NOT set to KILL */ if (_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); else { - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); IL_WARN("Radio disabled by HW RF Kill switch\n"); return -ENODEV; } @@ -2405,7 +2405,7 @@ __il3945_up(struct il_priv *il) il->ucode_data.len); /* We return success when we resume from suspend and rf_kill is on. */ - if (test_bit(S_RF_KILL_HW, &il->status)) + if (test_bit(S_RFKILL, &il->status)) return 0; for (i = 0; i < MAX_HW_RESTARTS; i++) { @@ -2413,7 +2413,7 @@ __il3945_up(struct il_priv *il) /* load bootstrap state machine, * load bootstrap program into processor's memory, * prepare to load the "initialize" uCode */ - rc = il->ops->lib->load_ucode(il); + rc = il->ops->load_ucode(il); if (rc) { IL_ERR("Unable to set up bootstrap uCode: %d\n", rc); @@ -2485,15 +2485,15 @@ il3945_rfkill_poll(struct work_struct *data) { struct il_priv *il = container_of(data, struct il_priv, _3945.rfkill_poll.work); - bool old_rfkill = test_bit(S_RF_KILL_HW, &il->status); + bool old_rfkill = test_bit(S_RFKILL, &il->status); bool new_rfkill = !(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW); if (new_rfkill != old_rfkill) { if (new_rfkill) - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); else - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, new_rfkill); @@ -2782,10 +2782,9 @@ il3945_mac_start(struct ieee80211_hw *hw) struct il_priv *il = hw->priv; int ret; - D_MAC80211("enter\n"); - /* we should be verifying the device is ready to be opened */ mutex_lock(&il->mutex); + D_MAC80211("enter\n"); /* fetch ucode file from disk, alloc and copy to bus-master buffers ... * ucode filename and max sizes are card-specific. */ @@ -2941,15 +2940,19 @@ il3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, * hardware will then not attempt to decrypt the frames. */ if (vif->type == NL80211_IFTYPE_ADHOC && - !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { + D_MAC80211("leave - IBSS RSN\n"); return -EOPNOTSUPP; + } static_key = !il_is_associated(il); if (!static_key) { sta_id = il_sta_id_or_broadcast(il, sta); - if (sta_id == IL_INVALID_STATION) + if (sta_id == IL_INVALID_STATION) { + D_MAC80211("leave - station not found\n"); return -EINVAL; + } } mutex_lock(&il->mutex); @@ -2974,8 +2977,8 @@ il3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ret = -EINVAL; } + D_MAC80211("leave ret %d\n", ret); mutex_unlock(&il->mutex); - D_MAC80211("leave\n"); return ret; } @@ -2990,9 +2993,8 @@ il3945_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, bool is_ap = vif->type == NL80211_IFTYPE_STATION; u8 sta_id; - D_INFO("received request to add station %pM\n", sta->addr); mutex_lock(&il->mutex); - D_INFO("proceeding to add station %pM\n", sta->addr); + D_INFO("station %pM\n", sta->addr); sta_priv->common.sta_id = IL_INVALID_STATION; ret = il_add_station_common(il, sta->addr, is_ap, sta, &sta_id); @@ -3098,11 +3100,9 @@ il3945_store_debug_level(struct device *d, struct device_attribute *attr, ret = strict_strtoul(buf, 0, &val); if (ret) IL_INFO("%s is not in hex or decimal form.\n", buf); - else { + else il->debug_level = val; - if (il_alloc_traffic_mem(il)) - IL_ERR("Not enough memory to generate traffic log\n"); - } + return strnlen(buf, count); } @@ -3619,12 +3619,12 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) D_INFO("*** LOAD DRIVER ***\n"); il->cfg = cfg; il->ops = &il3945_ops; +#ifdef CONFIG_IWLEGACY_DEBUGFS + il->debugfs_ops = &il3945_debugfs_ops; +#endif il->pci_dev = pdev; il->inta_mask = CSR_INI_SET_MASK; - if (il_alloc_traffic_mem(il)) - IL_ERR("Not enough memory to generate traffic log\n"); - /*************************** * 2. Initializing PCI bus * *************************/ @@ -3655,7 +3655,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /*********************** * 3. Read REV Register * ********************/ - il->hw_base = pci_iomap(pdev, 0, 0); + il->hw_base = pci_ioremap_bar(pdev, 0); if (!il->hw_base) { err = -ENODEV; goto out_pci_release_regions; @@ -3669,7 +3669,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, 0x41, 0x00); - /* these spin locks will be used in apm_ops.init and EEPROM access + /* these spin locks will be used in apm_init and EEPROM access * we should init now */ spin_lock_init(&il->reg_lock); @@ -3780,14 +3780,13 @@ out_unset_hw_params: out_eeprom_free: il_eeprom_free(il); out_iounmap: - pci_iounmap(pdev, il->hw_base); + iounmap(il->hw_base); out_pci_release_regions: pci_release_regions(pdev); out_pci_disable_device: pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); out_ieee80211_free_hw: - il_free_traffic_mem(il); ieee80211_free_hw(il->hw); out: return err; @@ -3855,12 +3854,11 @@ il3945_pci_remove(struct pci_dev *pdev) * until now... */ destroy_workqueue(il->workqueue); il->workqueue = NULL; - il_free_traffic_mem(il); free_irq(pdev->irq, il); pci_disable_msi(pdev); - pci_iounmap(pdev, il->hw_base); + iounmap(il->hw_base); pci_release_regions(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c index 6c1ae5fab89..456f32da6b2 100644 --- a/drivers/net/wireless/iwlegacy/3945.c +++ b/drivers/net/wireless/iwlegacy/3945.c @@ -57,10 +57,6 @@ il3945_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd) return il_send_cmd(il, &cmd); } -const struct il_led_ops il3945_led_ops = { - .cmd = il3945_send_led_cmd, -}; - #define IL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np) \ [RATE_##r##M_IDX] = { RATE_##r##M_PLCP, \ RATE_##r##M_IEEE, \ @@ -303,7 +299,7 @@ il3945_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx) skb = txq->skbs[txq->q.read_ptr]; ieee80211_tx_status_irqsafe(il->hw, skb); txq->skbs[txq->q.read_ptr] = NULL; - il->ops->lib->txq_free_tfd(il, txq); + il->ops->txq_free_tfd(il, txq); } if (il_queue_space(q) > q->low_mark && txq_id >= 0 && @@ -577,8 +573,6 @@ il3945_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb) network_packet ? '*' : ' ', le16_to_cpu(rx_hdr->channel), rx_status.signal, rx_status.signal, rx_status.rate_idx); - il_dbg_log_rx_data_frame(il, le16_to_cpu(rx_hdr->len), header); - if (network_packet) { il->_3945.last_beacon_time = le32_to_cpu(rx_end->beacon_timestamp); @@ -796,7 +790,6 @@ il3945_rx_init(struct il_priv *il, struct il_rx_queue *rxq) static int il3945_tx_reset(struct il_priv *il) { - /* bypass mode */ il_wr_prph(il, ALM_SCD_MODE_REG, 0x2); @@ -833,8 +826,7 @@ il3945_tx_reset(struct il_priv *il) static int il3945_txq_ctx_reset(struct il_priv *il) { - int rc; - int txq_id, slots_num; + int rc, txq_id; il3945_hw_txq_ctx_free(il); @@ -850,10 +842,7 @@ il3945_txq_ctx_reset(struct il_priv *il) /* Tx queue(s) */ for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) { - slots_num = - (txq_id == - IL39_CMD_QUEUE_NUM) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - rc = il_tx_queue_init(il, &il->txq[txq_id], slots_num, txq_id); + rc = il_tx_queue_init(il, txq_id); if (rc) { IL_ERR("Tx %d queue init failed\n", txq_id); goto error; @@ -958,12 +947,11 @@ il3945_hw_nic_init(struct il_priv *il) struct il_rx_queue *rxq = &il->rxq; spin_lock_irqsave(&il->lock, flags); - il->ops->lib->apm_ops.init(il); + il3945_apm_init(il); spin_unlock_irqrestore(&il->lock, flags); il3945_set_pwr_vmain(il); - - il->ops->lib->apm_ops.config(il); + il3945_nic_config(il); /* Allocate the RX queue, or reset if it is already allocated */ if (!rxq->bd) { @@ -1014,7 +1002,7 @@ il3945_hw_txq_ctx_free(struct il_priv *il) il_tx_queue_free(il, txq_id); /* free tx queue structure */ - il_txq_mem(il); + il_free_txq_mem(il); } void @@ -1023,18 +1011,17 @@ il3945_hw_txq_ctx_stop(struct il_priv *il) int txq_id; /* stop SCD */ - il_wr_prph(il, ALM_SCD_MODE_REG, 0); - il_wr_prph(il, ALM_SCD_TXFACT_REG, 0); + _il_wr_prph(il, ALM_SCD_MODE_REG, 0); + _il_wr_prph(il, ALM_SCD_TXFACT_REG, 0); /* reset TFD queues */ for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) { - il_wr(il, FH39_TCSR_CONFIG(txq_id), 0x0); - il_poll_bit(il, FH39_TSSR_TX_STATUS, - FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id), - 1000); + _il_wr(il, FH39_TCSR_CONFIG(txq_id), 0x0); + _il_poll_bit(il, FH39_TSSR_TX_STATUS, + FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id), + FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id), + 1000); } - - il3945_hw_txq_ctx_free(il); } /** @@ -1613,7 +1600,7 @@ il3945_hw_reg_comp_txpower_temp(struct il_priv *il) } /* send Txpower command for current channel to ucode */ - return il->ops->lib->send_tx_power(il); + return il->ops->send_tx_power(il); } int @@ -2183,12 +2170,14 @@ il3945_txpower_set_from_eeprom(struct il_priv *il) int il3945_hw_rxq_stop(struct il_priv *il) { - int rc; + int ret; - il_wr(il, FH39_RCSR_CONFIG(0), 0); - rc = il_poll_bit(il, FH39_RSSR_STATUS, - FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); - if (rc < 0) + _il_wr(il, FH39_RCSR_CONFIG(0), 0); + ret = _il_poll_bit(il, FH39_RSSR_STATUS, + FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, + FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, + 1000); + if (ret < 0) IL_ERR("Can't stop Rx DMA.\n"); return 0; @@ -2630,65 +2619,31 @@ il3945_load_bsm(struct il_priv *il) return 0; } -static struct il_hcmd_ops il3945_hcmd = { - .rxon_assoc = il3945_send_rxon_assoc, - .commit_rxon = il3945_commit_rxon, -}; - -static struct il_lib_ops il3945_lib = { +const struct il_ops il3945_ops = { .txq_attach_buf_to_tfd = il3945_hw_txq_attach_buf_to_tfd, .txq_free_tfd = il3945_hw_txq_free_tfd, .txq_init = il3945_hw_tx_queue_init, .load_ucode = il3945_load_bsm, .dump_nic_error_log = il3945_dump_nic_error_log, - .apm_ops = { - .init = il3945_apm_init, - .config = il3945_nic_config, - }, - .eeprom_ops = { - .regulatory_bands = { - EEPROM_REGULATORY_BAND_1_CHANNELS, - EEPROM_REGULATORY_BAND_2_CHANNELS, - EEPROM_REGULATORY_BAND_3_CHANNELS, - EEPROM_REGULATORY_BAND_4_CHANNELS, - EEPROM_REGULATORY_BAND_5_CHANNELS, - EEPROM_REGULATORY_BAND_NO_HT40, - EEPROM_REGULATORY_BAND_NO_HT40, - }, - .acquire_semaphore = il3945_eeprom_acquire_semaphore, - .release_semaphore = il3945_eeprom_release_semaphore, - }, + .apm_init = il3945_apm_init, .send_tx_power = il3945_send_tx_power, .is_valid_rtc_data_addr = il3945_hw_valid_rtc_data_addr, + .eeprom_acquire_semaphore = il3945_eeprom_acquire_semaphore, + .eeprom_release_semaphore = il3945_eeprom_release_semaphore, -#ifdef CONFIG_IWLEGACY_DEBUGFS - .debugfs_ops = { - .rx_stats_read = il3945_ucode_rx_stats_read, - .tx_stats_read = il3945_ucode_tx_stats_read, - .general_stats_read = il3945_ucode_general_stats_read, - }, -#endif -}; - -static const struct il_legacy_ops il3945_legacy_ops = { - .post_associate = il3945_post_associate, - .config_ap = il3945_config_ap, - .manage_ibss_station = il3945_manage_ibss_station, -}; + .rxon_assoc = il3945_send_rxon_assoc, + .commit_rxon = il3945_commit_rxon, -static struct il_hcmd_utils_ops il3945_hcmd_utils = { .get_hcmd_size = il3945_get_hcmd_size, .build_addsta_hcmd = il3945_build_addsta_hcmd, .request_scan = il3945_request_scan, .post_scan = il3945_post_scan, -}; -const struct il_ops il3945_ops = { - .lib = &il3945_lib, - .hcmd = &il3945_hcmd, - .utils = &il3945_hcmd_utils, - .led = &il3945_led_ops, - .legacy = &il3945_legacy_ops, + .post_associate = il3945_post_associate, + .config_ap = il3945_config_ap, + .manage_ibss_station = il3945_manage_ibss_station, + + .send_led_cmd = il3945_send_led_cmd, }; static struct il_cfg il3945_bg_cfg = { @@ -2707,7 +2662,17 @@ static struct il_cfg il3945_bg_cfg = { .set_l0s = false, .use_bsm = true, .led_compensation = 64, - .wd_timeout = IL_DEF_WD_TIMEOUT + .wd_timeout = IL_DEF_WD_TIMEOUT, + + .regulatory_bands = { + EEPROM_REGULATORY_BAND_1_CHANNELS, + EEPROM_REGULATORY_BAND_2_CHANNELS, + EEPROM_REGULATORY_BAND_3_CHANNELS, + EEPROM_REGULATORY_BAND_4_CHANNELS, + EEPROM_REGULATORY_BAND_5_CHANNELS, + EEPROM_REGULATORY_BAND_NO_HT40, + EEPROM_REGULATORY_BAND_NO_HT40, + }, }; static struct il_cfg il3945_abg_cfg = { @@ -2726,7 +2691,17 @@ static struct il_cfg il3945_abg_cfg = { .set_l0s = false, .use_bsm = true, .led_compensation = 64, - .wd_timeout = IL_DEF_WD_TIMEOUT + .wd_timeout = IL_DEF_WD_TIMEOUT, + + .regulatory_bands = { + EEPROM_REGULATORY_BAND_1_CHANNELS, + EEPROM_REGULATORY_BAND_2_CHANNELS, + EEPROM_REGULATORY_BAND_3_CHANNELS, + EEPROM_REGULATORY_BAND_4_CHANNELS, + EEPROM_REGULATORY_BAND_5_CHANNELS, + EEPROM_REGULATORY_BAND_NO_HT40, + EEPROM_REGULATORY_BAND_NO_HT40, + }, }; DEFINE_PCI_DEVICE_TABLE(il3945_hw_card_ids) = { diff --git a/drivers/net/wireless/iwlegacy/3945.h b/drivers/net/wireless/iwlegacy/3945.h index c00a8d30b6f..1d45075e0d5 100644 --- a/drivers/net/wireless/iwlegacy/3945.h +++ b/drivers/net/wireless/iwlegacy/3945.h @@ -595,13 +595,7 @@ struct il3945_tfd { } __packed; #ifdef CONFIG_IWLEGACY_DEBUGFS -ssize_t il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos); -ssize_t il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos); -ssize_t il3945_ucode_general_stats_read(struct file *file, - char __user *user_buf, size_t count, - loff_t *ppos); +extern const struct il_debugfs_ops il3945_debugfs_ops; #endif #endif diff --git a/drivers/net/wireless/iwlegacy/4965-calib.c b/drivers/net/wireless/iwlegacy/4965-calib.c index fe9171506a9..e78bdefb895 100644 --- a/drivers/net/wireless/iwlegacy/4965-calib.c +++ b/drivers/net/wireless/iwlegacy/4965-calib.c @@ -79,18 +79,6 @@ struct stats_general_data { u32 beacon_energy_c; }; -void -il4965_calib_free_results(struct il_priv *il) -{ - int i; - - for (i = 0; i < IL_CALIB_MAX; i++) { - kfree(il->calib_results[i].buf); - il->calib_results[i].buf = NULL; - il->calib_results[i].buf_len = 0; - } -} - /***************************************************************************** * RUNTIME calibrations framework *****************************************************************************/ @@ -923,8 +911,8 @@ il4965_chain_noise_calibration(struct il_priv *il, void *stat_resp) /* Some power changes may have been made during the calibration. * Update and commit the RXON */ - if (il->ops->lib->update_chain_flags) - il->ops->lib->update_chain_flags(il); + if (il->ops->update_chain_flags) + il->ops->update_chain_flags(il); data->state = IL_CHAIN_NOISE_DONE; il_power_update_mode(il, false); diff --git a/drivers/net/wireless/iwlegacy/4965-debug.c b/drivers/net/wireless/iwlegacy/4965-debug.c index 98ec39f56ba..c8153fc64f7 100644 --- a/drivers/net/wireless/iwlegacy/4965-debug.c +++ b/drivers/net/wireless/iwlegacy/4965-debug.c @@ -744,3 +744,9 @@ il4965_ucode_general_stats_read(struct file *file, char __user *user_buf, kfree(buf); return ret; } + +const struct il_debugfs_ops il4965_debugfs_ops = { + .rx_stats_read = il4965_ucode_rx_stats_read, + .tx_stats_read = il4965_ucode_tx_stats_read, + .general_stats_read = il4965_ucode_general_stats_read, +}; diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 235812ac6a0..7b54dbb338b 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -199,18 +199,14 @@ il4965_hw_nic_init(struct il_priv *il) struct il_rx_queue *rxq = &il->rxq; int ret; - /* nic_init */ spin_lock_irqsave(&il->lock, flags); - il->ops->lib->apm_ops.init(il); - + il_apm_init(il); /* Set interrupt coalescing calibration timer to default (512 usecs) */ il_write8(il, CSR_INT_COALESCING, IL_HOST_INT_CALIB_TIMEOUT_DEF); - spin_unlock_irqrestore(&il->lock, flags); il4965_set_pwr_vmain(il); - - il->ops->lib->apm_ops.config(il); + il4965_nic_config(il); /* Allocate the RX queue, or reset if it is already allocated */ if (!rxq->bd) { @@ -445,11 +441,15 @@ il4965_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq) int il4965_rxq_stop(struct il_priv *il) { + int ret; - /* stop Rx DMA */ - il_wr(il, FH49_MEM_RCSR_CHNL0_CONFIG_REG, 0); - il_poll_bit(il, FH49_MEM_RSSR_RX_STATUS_REG, - FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); + _il_wr(il, FH49_MEM_RCSR_CHNL0_CONFIG_REG, 0); + ret = _il_poll_bit(il, FH49_MEM_RSSR_RX_STATUS_REG, + FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, + FH49_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, + 1000); + if (ret < 0) + IL_ERR("Can't stop Rx DMA.\n"); return 0; } @@ -692,7 +692,6 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb) /* Find max signal strength (dBm) among 3 antenna/receiver chains */ rx_status.signal = il4965_calc_rssi(il, phy_res); - il_dbg_log_rx_data_frame(il, len, header); D_STATS("Rssi %d, TSF %llu\n", rx_status.signal, (unsigned long long)rx_status.mactime); @@ -1343,12 +1342,11 @@ il4965_accumulative_stats(struct il_priv *il, __le32 * stats) } #endif -#define REG_RECALIB_PERIOD (60) - void il4965_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb) { - int change; + const int recalib_seconds = 60; + bool change; struct il_rx_pkt *pkt = rxb_addr(rxb); D_RX("Statistics notification received (%d vs %d).\n", @@ -1369,20 +1367,21 @@ il4965_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb) set_bit(S_STATS, &il->status); - /* Reschedule the stats timer to occur in - * REG_RECALIB_PERIOD seconds to ensure we get a - * thermal update even if the uCode doesn't give - * us one */ + /* + * Reschedule the stats timer to occur in recalib_seconds to ensure + * we get a thermal update even if the uCode doesn't give us one + */ mod_timer(&il->stats_periodic, - jiffies + msecs_to_jiffies(REG_RECALIB_PERIOD * 1000)); + jiffies + msecs_to_jiffies(recalib_seconds * 1000)); if (unlikely(!test_bit(S_SCANNING, &il->status)) && (pkt->hdr.cmd == N_STATS)) { il4965_rx_calc_noise(il); queue_work(il->workqueue, &il->run_time_calib_work); } - if (il->ops->lib->temp_ops.temperature && change) - il->ops->lib->temp_ops.temperature(il); + + if (change) + il4965_temperature_calib(il); } void @@ -1694,7 +1693,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb) sta_priv = (void *)sta->drv_priv; if (sta_priv && sta_priv->asleep && - (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) { + (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) { /* * This sends an asynchronous command to the device, * but we can rely on it being processed before the @@ -1785,7 +1784,6 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb) /* TODO need this for burst mode later on */ il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id); - il_dbg_log_tx_data_frame(il, len, hdr); il4965_tx_cmd_build_rate(il, tx_cmd, info, fc); @@ -1815,7 +1813,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb) dma_unmap_len_set(out_meta, len, firstlen); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ - il->ops->lib->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0); + il->ops->txq_attach_buf_to_tfd(il, txq, txcmd_phys, firstlen, 1, 0); if (!ieee80211_has_morefrags(hdr->frame_control)) { txq->need_update = 1; @@ -1831,8 +1829,8 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb) phys_addr = pci_map_single(il->pci_dev, skb->data + hdr_len, secondlen, PCI_DMA_TODEVICE); - il->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr, - secondlen, 0, 0); + il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, secondlen, + 0, 0); } scratch_phys = @@ -1852,8 +1850,7 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb) /* Set up entry for this TFD in Tx byte-count array */ if (info->flags & IEEE80211_TX_CTL_AMPDU) - il->ops->lib->txq_update_byte_cnt_tbl(il, txq, - le16_to_cpu(tx_cmd->len)); + il->ops->txq_update_byte_cnt_tbl(il, txq, le16_to_cpu(tx_cmd->len)); pci_dma_sync_single_for_device(il->pci_dev, txcmd_phys, firstlen, PCI_DMA_BIDIRECTIONAL); @@ -1942,7 +1939,7 @@ il4965_hw_txq_ctx_free(struct il_priv *il) il4965_free_dma_ptr(il, &il->scd_bc_tbls); /* free tx queue structure */ - il_txq_mem(il); + il_free_txq_mem(il); } /** @@ -1955,8 +1952,7 @@ il4965_hw_txq_ctx_free(struct il_priv *il) int il4965_txq_ctx_alloc(struct il_priv *il) { - int ret; - int txq_id, slots_num; + int ret, txq_id; unsigned long flags; /* Free all tx/cmd queues and keep-warm buffer */ @@ -1993,10 +1989,7 @@ il4965_txq_ctx_alloc(struct il_priv *il) /* Alloc and init all Tx queues, including the command queue (#4/#9) */ for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) { - slots_num = - (txq_id == - il->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - ret = il_tx_queue_init(il, &il->txq[txq_id], slots_num, txq_id); + ret = il_tx_queue_init(il, txq_id); if (ret) { IL_ERR("Tx %d queue init failed\n", txq_id); goto error; @@ -2017,52 +2010,27 @@ error_bc_tbls: void il4965_txq_ctx_reset(struct il_priv *il) { - int txq_id, slots_num; + int txq_id; unsigned long flags; spin_lock_irqsave(&il->lock, flags); /* Turn off all Tx DMA fifos */ il4965_txq_set_sched(il, 0); - /* Tell NIC where to find the "keep warm" buffer */ il_wr(il, FH49_KW_MEM_ADDR_REG, il->kw.dma >> 4); spin_unlock_irqrestore(&il->lock, flags); /* Alloc and init all Tx queues, including the command queue (#4) */ - for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) { - slots_num = - txq_id == il->cmd_queue ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - il_tx_queue_reset(il, &il->txq[txq_id], slots_num, txq_id); - } + for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) + il_tx_queue_reset(il, txq_id); } -/** - * il4965_txq_ctx_stop - Stop all Tx DMA channels - */ void -il4965_txq_ctx_stop(struct il_priv *il) +il4965_txq_ctx_unmap(struct il_priv *il) { - int ch, txq_id; - unsigned long flags; - - /* Turn off all Tx DMA fifos */ - spin_lock_irqsave(&il->lock, flags); - - il4965_txq_set_sched(il, 0); - - /* Stop each Tx DMA channel, and wait for it to be idle */ - for (ch = 0; ch < il->hw_params.dma_chnl_num; ch++) { - il_wr(il, FH49_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); - if (il_poll_bit - (il, FH49_TSSR_TX_STATUS_REG, - FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), 1000)) - IL_ERR("Failing on timeout while stopping" - " DMA channel %d [0x%08x]", ch, - il_rd(il, FH49_TSSR_TX_STATUS_REG)); - } - spin_unlock_irqrestore(&il->lock, flags); + int txq_id; if (!il->txq) return; @@ -2075,6 +2043,30 @@ il4965_txq_ctx_stop(struct il_priv *il) il_tx_queue_unmap(il, txq_id); } +/** + * il4965_txq_ctx_stop - Stop all Tx DMA channels + */ +void +il4965_txq_ctx_stop(struct il_priv *il) +{ + int ch, ret; + + _il_wr_prph(il, IL49_SCD_TXFACT, 0); + + /* Stop each Tx DMA channel, and wait for it to be idle */ + for (ch = 0; ch < il->hw_params.dma_chnl_num; ch++) { + _il_wr(il, FH49_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); + ret = + _il_poll_bit(il, FH49_TSSR_TX_STATUS_REG, + FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), + FH49_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), + 1000); + if (ret < 0) + IL_ERR("Timeout stopping DMA channel %d [0x%08x]", + ch, _il_rd(il, FH49_TSSR_TX_STATUS_REG)); + } +} + /* * Find first available (lowest unused) Tx Queue, mark it "active". * Called only when finding queue for aggregation. @@ -2474,7 +2466,7 @@ il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx) il4965_tx_status(il, skb, txq_id >= IL4965_FIRST_AMPDU_QUEUE); txq->skbs[txq->q.read_ptr] = NULL; - il->ops->lib->txq_free_tfd(il, txq); + il->ops->txq_free_tfd(il, txq); } return nfreed; } @@ -2548,6 +2540,308 @@ il4965_tx_status_reply_compressed_ba(struct il_priv *il, struct il_ht_agg *agg, return 0; } +static inline bool +il4965_is_tx_success(u32 status) +{ + status &= TX_STATUS_MSK; + return (status == TX_STATUS_SUCCESS || status == TX_STATUS_DIRECT_DONE); +} + +static u8 +il4965_find_station(struct il_priv *il, const u8 *addr) +{ + int i; + int start = 0; + int ret = IL_INVALID_STATION; + unsigned long flags; + + if (il->iw_mode == NL80211_IFTYPE_ADHOC) + start = IL_STA_ID; + + if (is_broadcast_ether_addr(addr)) + return il->hw_params.bcast_id; + + spin_lock_irqsave(&il->sta_lock, flags); + for (i = start; i < il->hw_params.max_stations; i++) + if (il->stations[i].used && + (!compare_ether_addr(il->stations[i].sta.sta.addr, addr))) { + ret = i; + goto out; + } + + D_ASSOC("can not find STA %pM total %d\n", addr, il->num_stations); + +out: + /* + * It may be possible that more commands interacting with stations + * arrive before we completed processing the adding of + * station + */ + if (ret != IL_INVALID_STATION && + (!(il->stations[ret].used & IL_STA_UCODE_ACTIVE) || + ((il->stations[ret].used & IL_STA_UCODE_ACTIVE) && + (il->stations[ret].used & IL_STA_UCODE_INPROGRESS)))) { + IL_ERR("Requested station info for sta %d before ready.\n", + ret); + ret = IL_INVALID_STATION; + } + spin_unlock_irqrestore(&il->sta_lock, flags); + return ret; +} + +static int +il4965_get_ra_sta_id(struct il_priv *il, struct ieee80211_hdr *hdr) +{ + if (il->iw_mode == NL80211_IFTYPE_STATION) + return IL_AP_ID; + else { + u8 *da = ieee80211_get_DA(hdr); + + return il4965_find_station(il, da); + } +} + +static inline u32 +il4965_get_scd_ssn(struct il4965_tx_resp *tx_resp) +{ + return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN; +} + +static inline u32 +il4965_tx_status_to_mac80211(u32 status) +{ + status &= TX_STATUS_MSK; + + switch (status) { + case TX_STATUS_SUCCESS: + case TX_STATUS_DIRECT_DONE: + return IEEE80211_TX_STAT_ACK; + case TX_STATUS_FAIL_DEST_PS: + return IEEE80211_TX_STAT_TX_FILTERED; + default: + return 0; + } +} + +/** + * il4965_tx_status_reply_tx - Handle Tx response for frames in aggregation queue + */ +static int +il4965_tx_status_reply_tx(struct il_priv *il, struct il_ht_agg *agg, + struct il4965_tx_resp *tx_resp, int txq_id, + u16 start_idx) +{ + u16 status; + struct agg_tx_status *frame_status = tx_resp->u.agg_status; + struct ieee80211_tx_info *info = NULL; + struct ieee80211_hdr *hdr = NULL; + u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags); + int i, sh, idx; + u16 seq; + if (agg->wait_for_ba) + D_TX_REPLY("got tx response w/o block-ack\n"); + + agg->frame_count = tx_resp->frame_count; + agg->start_idx = start_idx; + agg->rate_n_flags = rate_n_flags; + agg->bitmap = 0; + + /* num frames attempted by Tx command */ + if (agg->frame_count == 1) { + /* Only one frame was attempted; no block-ack will arrive */ + status = le16_to_cpu(frame_status[0].status); + idx = start_idx; + + D_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n", + agg->frame_count, agg->start_idx, idx); + + info = IEEE80211_SKB_CB(il->txq[txq_id].skbs[idx]); + info->status.rates[0].count = tx_resp->failure_frame + 1; + info->flags &= ~IEEE80211_TX_CTL_AMPDU; + info->flags |= il4965_tx_status_to_mac80211(status); + il4965_hwrate_to_tx_control(il, rate_n_flags, info); + + D_TX_REPLY("1 Frame 0x%x failure :%d\n", status & 0xff, + tx_resp->failure_frame); + D_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags); + + agg->wait_for_ba = 0; + } else { + /* Two or more frames were attempted; expect block-ack */ + u64 bitmap = 0; + int start = agg->start_idx; + struct sk_buff *skb; + + /* Construct bit-map of pending frames within Tx win */ + for (i = 0; i < agg->frame_count; i++) { + u16 sc; + status = le16_to_cpu(frame_status[i].status); + seq = le16_to_cpu(frame_status[i].sequence); + idx = SEQ_TO_IDX(seq); + txq_id = SEQ_TO_QUEUE(seq); + + if (status & + (AGG_TX_STATE_FEW_BYTES_MSK | + AGG_TX_STATE_ABORT_MSK)) + continue; + + D_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n", + agg->frame_count, txq_id, idx); + + skb = il->txq[txq_id].skbs[idx]; + if (WARN_ON_ONCE(skb == NULL)) + return -1; + hdr = (struct ieee80211_hdr *) skb->data; + + sc = le16_to_cpu(hdr->seq_ctrl); + if (idx != (SEQ_TO_SN(sc) & 0xff)) { + IL_ERR("BUG_ON idx doesn't match seq control" + " idx=%d, seq_idx=%d, seq=%d\n", idx, + SEQ_TO_SN(sc), hdr->seq_ctrl); + return -1; + } + + D_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n", i, idx, + SEQ_TO_SN(sc)); + + sh = idx - start; + if (sh > 64) { + sh = (start - idx) + 0xff; + bitmap = bitmap << sh; + sh = 0; + start = idx; + } else if (sh < -64) + sh = 0xff - (start - idx); + else if (sh < 0) { + sh = start - idx; + start = idx; + bitmap = bitmap << sh; + sh = 0; + } + bitmap |= 1ULL << sh; + D_TX_REPLY("start=%d bitmap=0x%llx\n", start, + (unsigned long long)bitmap); + } + + agg->bitmap = bitmap; + agg->start_idx = start; + D_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n", + agg->frame_count, agg->start_idx, + (unsigned long long)agg->bitmap); + + if (bitmap) + agg->wait_for_ba = 1; + } + return 0; +} + +/** + * il4965_hdl_tx - Handle standard (non-aggregation) Tx response + */ +static void +il4965_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb) +{ + struct il_rx_pkt *pkt = rxb_addr(rxb); + u16 sequence = le16_to_cpu(pkt->hdr.sequence); + int txq_id = SEQ_TO_QUEUE(sequence); + int idx = SEQ_TO_IDX(sequence); + struct il_tx_queue *txq = &il->txq[txq_id]; + struct sk_buff *skb; + struct ieee80211_hdr *hdr; + struct ieee80211_tx_info *info; + struct il4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + u32 status = le32_to_cpu(tx_resp->u.status); + int uninitialized_var(tid); + int sta_id; + int freed; + u8 *qc = NULL; + unsigned long flags; + + if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) { + IL_ERR("Read idx for DMA queue txq_id (%d) idx %d " + "is out of range [0-%d] %d %d\n", txq_id, idx, + txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr); + return; + } + + txq->time_stamp = jiffies; + + skb = txq->skbs[txq->q.read_ptr]; + info = IEEE80211_SKB_CB(skb); + memset(&info->status, 0, sizeof(info->status)); + + hdr = (struct ieee80211_hdr *) skb->data; + if (ieee80211_is_data_qos(hdr->frame_control)) { + qc = ieee80211_get_qos_ctl(hdr); + tid = qc[0] & 0xf; + } + + sta_id = il4965_get_ra_sta_id(il, hdr); + if (txq->sched_retry && unlikely(sta_id == IL_INVALID_STATION)) { + IL_ERR("Station not known\n"); + return; + } + + spin_lock_irqsave(&il->sta_lock, flags); + if (txq->sched_retry) { + const u32 scd_ssn = il4965_get_scd_ssn(tx_resp); + struct il_ht_agg *agg = NULL; + WARN_ON(!qc); + + agg = &il->stations[sta_id].tid[tid].agg; + + il4965_tx_status_reply_tx(il, agg, tx_resp, txq_id, idx); + + /* check if BAR is needed */ + if (tx_resp->frame_count == 1 && + !il4965_is_tx_success(status)) + info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; + + if (txq->q.read_ptr != (scd_ssn & 0xff)) { + idx = il_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); + D_TX_REPLY("Retry scheduler reclaim scd_ssn " + "%d idx %d\n", scd_ssn, idx); + freed = il4965_tx_queue_reclaim(il, txq_id, idx); + if (qc) + il4965_free_tfds_in_queue(il, sta_id, tid, + freed); + + if (il->mac80211_registered && + il_queue_space(&txq->q) > txq->q.low_mark && + agg->state != IL_EMPTYING_HW_QUEUE_DELBA) + il_wake_queue(il, txq); + } + } else { + info->status.rates[0].count = tx_resp->failure_frame + 1; + info->flags |= il4965_tx_status_to_mac80211(status); + il4965_hwrate_to_tx_control(il, + le32_to_cpu(tx_resp->rate_n_flags), + info); + + D_TX_REPLY("TXQ %d status %s (0x%08x) " + "rate_n_flags 0x%x retries %d\n", txq_id, + il4965_get_tx_fail_reason(status), status, + le32_to_cpu(tx_resp->rate_n_flags), + tx_resp->failure_frame); + + freed = il4965_tx_queue_reclaim(il, txq_id, idx); + if (qc && likely(sta_id != IL_INVALID_STATION)) + il4965_free_tfds_in_queue(il, sta_id, tid, freed); + else if (sta_id == IL_INVALID_STATION) + D_TX_REPLY("Station not known\n"); + + if (il->mac80211_registered && + il_queue_space(&txq->q) > txq->q.low_mark) + il_wake_queue(il, txq); + } + if (qc && likely(sta_id != IL_INVALID_STATION)) + il4965_txq_check_empty(il, sta_id, tid, txq_id); + + il4965_check_abort_status(il, tx_resp->frame_count, status); + + spin_unlock_irqrestore(&il->sta_lock, flags); +} + /** * translate ucode response to mac80211 tx status control values */ @@ -3352,8 +3646,8 @@ il4965_sta_modify_sleep_tx_count(struct il_priv *il, int sta_id, int cnt) void il4965_update_chain_flags(struct il_priv *il) { - if (il->ops->hcmd->set_rxon_chain) { - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) { + il->ops->set_rxon_chain(il); if (il->active.rx_chain != il->staging.rx_chain) il_commit_rxon(il); } @@ -3726,9 +4020,9 @@ il4965_hdl_alive(struct il_priv *il, struct il_rx_buf *rxb) * This callback is provided in order to send a stats request. * * This timer function is continually reset to execute within - * REG_RECALIB_PERIOD seconds since the last N_STATS - * was received. We need to ensure we receive the stats in order - * to update the temperature used for calibrating the TXPOWER. + * 60 seconds since the last N_STATS was received. We need to + * ensure we receive the stats in order to update the temperature + * used for calibrating the TXPOWER. */ static void il4965_bg_stats_periodic(unsigned long data) @@ -3778,7 +4072,7 @@ il4965_perform_ct_kill_task(struct il_priv *il) _il_rd(il, CSR_UCODE_DRV_GP1); spin_lock_irqsave(&il->reg_lock, flags); - if (!_il_grab_nic_access(il)) + if (likely(_il_grab_nic_access(il))) _il_release_nic_access(il); spin_unlock_irqrestore(&il->reg_lock, flags); } @@ -3816,17 +4110,17 @@ il4965_hdl_card_state(struct il_priv *il, struct il_rx_buf *rxb) il4965_perform_ct_kill_task(il); if (flags & HW_CARD_DISABLED) - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); else - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); if (!(flags & RXON_CARD_DISABLED)) il_scan_cancel(il); - if ((test_bit(S_RF_KILL_HW, &status) != - test_bit(S_RF_KILL_HW, &il->status))) + if ((test_bit(S_RFKILL, &status) != + test_bit(S_RFKILL, &il->status))) wiphy_rfkill_set_hw_state(il->hw->wiphy, - test_bit(S_RF_KILL_HW, &il->status)); + test_bit(S_RFKILL, &il->status)); else wake_up(&il->wait_command_queue); } @@ -3868,10 +4162,11 @@ il4965_setup_handlers(struct il_priv *il) /* Rx handlers */ il->handlers[N_RX_PHY] = il4965_hdl_rx_phy; il->handlers[N_RX_MPDU] = il4965_hdl_rx; + il->handlers[N_RX] = il4965_hdl_rx; /* block ack */ il->handlers[N_COMPRESSED_BA] = il4965_hdl_compressed_ba; - /* Set up hardware specific Rx handlers */ - il->ops->lib->handler_setup(il); + /* Tx response */ + il->handlers[C_TX] = il4965_hdl_tx; } /** @@ -4101,9 +4396,8 @@ il4965_irq_tasklet(struct il_priv *il) /* HW RF KILL switch toggled */ if (inta & CSR_INT_BIT_RF_KILL) { int hw_rf_kill = 0; - if (! - (_il_rd(il, CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) + + if (!(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) hw_rf_kill = 1; IL_WARN("RF_KILL bit toggled to %s.\n", @@ -4118,9 +4412,9 @@ il4965_irq_tasklet(struct il_priv *il) */ if (!test_bit(S_ALIVE, &il->status)) { if (hw_rf_kill) - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); else - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill); } @@ -4244,11 +4538,9 @@ il4965_store_debug_level(struct device *d, struct device_attribute *attr, ret = strict_strtoul(buf, 0, &val); if (ret) IL_ERR("%s is not in hex or decimal form.\n", buf); - else { + else il->debug_level = val; - if (il_alloc_traffic_mem(il)) - IL_ERR("Not enough memory to generate traffic log\n"); - } + return strnlen(buf, count); } @@ -4773,7 +5065,7 @@ il4965_dump_nic_error_log(struct il_priv *il) else base = le32_to_cpu(il->card_alive.error_event_table_ptr); - if (!il->ops->lib->is_valid_rtc_data_addr(base)) { + if (!il->ops->is_valid_rtc_data_addr(base)) { IL_ERR("Not valid error log pointer 0x%08X for %s uCode\n", base, (il->ucode_type == UCODE_INIT) ? "Init" : "RT"); return; @@ -5002,8 +5294,8 @@ il4965_alive_start(struct il_priv *il) /* Initialize our rx_config data */ il_connection_init_rx_config(il); - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); } /* Configure bluetooth coexistence if enabled */ @@ -5091,12 +5383,8 @@ __il4965_down(struct il_priv *il) * clear all bits but the RF Kill bit and return */ if (!il_is_init(il)) { il->status = - test_bit(S_RF_KILL_HW, - &il-> - status) << S_RF_KILL_HW | - test_bit(S_GEO_CONFIGURED, - &il-> - status) << S_GEO_CONFIGURED | + test_bit(S_RFKILL, &il->status) << S_RFKILL | + test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED | test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING; goto exit; } @@ -5104,28 +5392,32 @@ __il4965_down(struct il_priv *il) /* ...otherwise clear out all the status bits but the RF Kill * bit and continue taking the NIC down. */ il->status &= - test_bit(S_RF_KILL_HW, - &il->status) << S_RF_KILL_HW | test_bit(S_GEO_CONFIGURED, - &il-> - status) << - S_GEO_CONFIGURED | test_bit(S_FW_ERROR, - &il-> - status) << S_FW_ERROR | + test_bit(S_RFKILL, &il->status) << S_RFKILL | + test_bit(S_GEO_CONFIGURED, &il->status) << S_GEO_CONFIGURED | + test_bit(S_FW_ERROR, &il->status) << S_FW_ERROR | test_bit(S_EXIT_PENDING, &il->status) << S_EXIT_PENDING; + /* + * We disabled and synchronized interrupt, and priv->mutex is taken, so + * here is the only thread which will program device registers, but + * still have lockdep assertions, so we are taking reg_lock. + */ + spin_lock_irq(&il->reg_lock); + /* FIXME: il_grab_nic_access if rfkill is off ? */ + il4965_txq_ctx_stop(il); il4965_rxq_stop(il); - /* Power-down device's busmaster DMA clocks */ - il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); + _il_wr_prph(il, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); - /* Make sure (redundant) we've released our request to stay awake */ - il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - + _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* Stop the device, and put it in low power state */ - il_apm_stop(il); + _il_apm_stop(il); + + spin_unlock_irq(&il->reg_lock); + il4965_txq_ctx_unmap(il); exit: memset(&il->card_alive, 0, sizeof(struct il_alive_resp)); @@ -5146,40 +5438,36 @@ il4965_down(struct il_priv *il) il4965_cancel_deferred_work(il); } -#define HW_READY_TIMEOUT (50) -static int +static void il4965_set_hw_ready(struct il_priv *il) { - int ret = 0; + int ret; il_set_bit(il, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY); /* See if we got it */ - ret = - _il_poll_bit(il, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, - CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, HW_READY_TIMEOUT); - if (ret != -ETIMEDOUT) + ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, + CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, + 100); + if (ret >= 0) il->hw_ready = true; - else - il->hw_ready = false; - D_INFO("hardware %s\n", (il->hw_ready == 1) ? "ready" : "not ready"); - return ret; + D_INFO("hardware %s ready\n", (il->hw_ready) ? "" : "not"); } -static int +static void il4965_prepare_card_hw(struct il_priv *il) { - int ret = 0; + int ret; - D_INFO("il4965_prepare_card_hw enter\n"); + il->hw_ready = false; - ret = il4965_set_hw_ready(il); + il4965_set_hw_ready(il); if (il->hw_ready) - return ret; + return; /* If HW is not ready, prepare the conditions to check again */ il_set_bit(il, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE); @@ -5192,8 +5480,6 @@ il4965_prepare_card_hw(struct il_priv *il) /* HW should be ready by now, check again. */ if (ret != -ETIMEDOUT) il4965_set_hw_ready(il); - - return ret; } #define MAX_HW_RESTARTS 5 @@ -5221,22 +5507,19 @@ __il4965_up(struct il_priv *il) } il4965_prepare_card_hw(il); - if (!il->hw_ready) { - IL_WARN("Exit HW not ready\n"); + IL_ERR("HW not ready\n"); return -EIO; } /* If platform's RF_KILL switch is NOT set to KILL */ if (_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(S_RF_KILL_HW, &il->status); - else - set_bit(S_RF_KILL_HW, &il->status); - - if (il_is_rfkill(il)) { + clear_bit(S_RFKILL, &il->status); + else { + set_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, true); - il_enable_interrupts(il); + il_enable_rfkill_int(il); IL_WARN("Radio disabled by HW RF Kill switch\n"); return 0; } @@ -5275,7 +5558,7 @@ __il4965_up(struct il_priv *il) /* load bootstrap state machine, * load bootstrap program into processor's memory, * prepare to load the "initialize" uCode */ - ret = il->ops->lib->load_ucode(il); + ret = il->ops->load_ucode(il); if (ret) { IL_ERR("Unable to set up bootstrap uCode: %d\n", ret); @@ -5316,7 +5599,7 @@ il4965_bg_init_alive_start(struct work_struct *data) if (test_bit(S_EXIT_PENDING, &il->status)) goto out; - il->ops->lib->init_alive_start(il); + il->ops->init_alive_start(il); out: mutex_unlock(&il->mutex); } @@ -5748,7 +6031,7 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw, if (!il_is_associated(il)) goto out; - if (!il->ops->lib->set_channel_switch) + if (!il->ops->set_channel_switch) goto out; ch = channel->hw_value; @@ -5800,7 +6083,7 @@ il4965_mac_channel_switch(struct ieee80211_hw *hw, */ set_bit(S_CHANNEL_SWITCH_PENDING, &il->status); il->switch_channel = cpu_to_le16(ch); - if (il->ops->lib->set_channel_switch(il, ch_switch)) { + if (il->ops->set_channel_switch(il, ch_switch)) { clear_bit(S_CHANNEL_SWITCH_PENDING, &il->status); il->switch_channel = 0; ieee80211_chswitch_done(il->vif, false); @@ -5883,7 +6166,7 @@ il4965_bg_txpower_work(struct work_struct *work) /* Regardless of if we are associated, we must reconfigure the * TX power since frames can be sent on non-radar channels while * not associated */ - il->ops->lib->send_tx_power(il); + il->ops->send_tx_power(il); /* Update last_temperature to keep is_calib_needed from running * when it isn't needed... */ @@ -6035,8 +6318,8 @@ il4965_init_drv(struct il_priv *il) il->force_reset.reset_duration = IL_DELAY_NEXT_FORCE_FW_RELOAD; /* Choose which receivers/antennas to use */ - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); il_init_scan_params(il); @@ -6064,7 +6347,6 @@ err: static void il4965_uninit_drv(struct il_priv *il) { - il4965_calib_free_results(il); il_free_geos(il); il_free_channel_map(il); kfree(il->scan_cmd); @@ -6180,12 +6462,12 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) D_INFO("*** LOAD DRIVER ***\n"); il->cfg = cfg; il->ops = &il4965_ops; +#ifdef CONFIG_IWLEGACY_DEBUGFS + il->debugfs_ops = &il4965_debugfs_ops; +#endif il->pci_dev = pdev; il->inta_mask = CSR_INI_SET_MASK; - if (il_alloc_traffic_mem(il)) - IL_ERR("Not enough memory to generate traffic log\n"); - /************************** * 2. Initializing PCI bus **************************/ @@ -6224,7 +6506,7 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /*********************** * 3. Read REV register ***********************/ - il->hw_base = pci_iomap(pdev, 0, 0); + il->hw_base = pci_ioremap_bar(pdev, 0); if (!il->hw_base) { err = -ENODEV; goto out_pci_release_regions; @@ -6329,12 +6611,12 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* If platform's RF_KILL switch is NOT set to KILL */ if (_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); else - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, - test_bit(S_RF_KILL_HW, &il->status)); + test_bit(S_RFKILL, &il->status)); il_power_initialize(il); @@ -6356,14 +6638,13 @@ out_disable_msi: out_free_eeprom: il_eeprom_free(il); out_iounmap: - pci_iounmap(pdev, il->hw_base); + iounmap(il->hw_base); out_pci_release_regions: pci_set_drvdata(pdev, NULL); pci_release_regions(pdev); out_pci_disable_device: pci_disable_device(pdev); out_ieee80211_free_hw: - il_free_traffic_mem(il); ieee80211_free_hw(il->hw); out: return err; @@ -6434,11 +6715,10 @@ il4965_pci_remove(struct pci_dev *pdev) * until now... */ destroy_workqueue(il->workqueue); il->workqueue = NULL; - il_free_traffic_mem(il); free_irq(il->pci_dev->irq, il); pci_disable_msi(il->pci_dev); - pci_iounmap(pdev, il->hw_base); + iounmap(il->hw_base); pci_release_regions(pdev); pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); diff --git a/drivers/net/wireless/iwlegacy/4965.c b/drivers/net/wireless/iwlegacy/4965.c index 79e4e797133..5db11714e04 100644 --- a/drivers/net/wireless/iwlegacy/4965.c +++ b/drivers/net/wireless/iwlegacy/4965.c @@ -264,10 +264,6 @@ il4965_led_enable(struct il_priv *il) _il_wr(il, CSR_LED_REG, CSR_LED_REG_TRUN_ON); } -const struct il_led_ops il4965_led_ops = { - .cmd = il4965_send_led_cmd, -}; - static int il4965_send_tx_power(struct il_priv *il); static int il4965_hw_get_temperature(struct il_priv *il); @@ -508,7 +504,7 @@ iw4965_is_ht40_channel(__le32 rxon_flags) chan_mod == CHANNEL_MODE_MIXED); } -static void +void il4965_nic_config(struct il_priv *il) { unsigned long flags; @@ -1678,7 +1674,7 @@ il4965_is_temp_calib_needed(struct il_priv *il) return 1; } -static void +void il4965_temperature_calib(struct il_priv *il) { s32 temp; @@ -1737,323 +1733,6 @@ il4965_build_addsta_hcmd(const struct il_addsta_cmd *cmd, u8 * data) return (u16) sizeof(struct il4965_addsta_cmd); } -static inline u32 -il4965_get_scd_ssn(struct il4965_tx_resp *tx_resp) -{ - return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN; -} - -static inline u32 -il4965_tx_status_to_mac80211(u32 status) -{ - status &= TX_STATUS_MSK; - - switch (status) { - case TX_STATUS_SUCCESS: - case TX_STATUS_DIRECT_DONE: - return IEEE80211_TX_STAT_ACK; - case TX_STATUS_FAIL_DEST_PS: - return IEEE80211_TX_STAT_TX_FILTERED; - default: - return 0; - } -} - -static inline bool -il4965_is_tx_success(u32 status) -{ - status &= TX_STATUS_MSK; - return (status == TX_STATUS_SUCCESS || status == TX_STATUS_DIRECT_DONE); -} - -/** - * il4965_tx_status_reply_tx - Handle Tx response for frames in aggregation queue - */ -static int -il4965_tx_status_reply_tx(struct il_priv *il, struct il_ht_agg *agg, - struct il4965_tx_resp *tx_resp, int txq_id, - u16 start_idx) -{ - u16 status; - struct agg_tx_status *frame_status = tx_resp->u.agg_status; - struct ieee80211_tx_info *info = NULL; - struct ieee80211_hdr *hdr = NULL; - u32 rate_n_flags = le32_to_cpu(tx_resp->rate_n_flags); - int i, sh, idx; - u16 seq; - if (agg->wait_for_ba) - D_TX_REPLY("got tx response w/o block-ack\n"); - - agg->frame_count = tx_resp->frame_count; - agg->start_idx = start_idx; - agg->rate_n_flags = rate_n_flags; - agg->bitmap = 0; - - /* num frames attempted by Tx command */ - if (agg->frame_count == 1) { - /* Only one frame was attempted; no block-ack will arrive */ - status = le16_to_cpu(frame_status[0].status); - idx = start_idx; - - D_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n", - agg->frame_count, agg->start_idx, idx); - - info = IEEE80211_SKB_CB(il->txq[txq_id].skbs[idx]); - info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags &= ~IEEE80211_TX_CTL_AMPDU; - info->flags |= il4965_tx_status_to_mac80211(status); - il4965_hwrate_to_tx_control(il, rate_n_flags, info); - - D_TX_REPLY("1 Frame 0x%x failure :%d\n", status & 0xff, - tx_resp->failure_frame); - D_TX_REPLY("Rate Info rate_n_flags=%x\n", rate_n_flags); - - agg->wait_for_ba = 0; - } else { - /* Two or more frames were attempted; expect block-ack */ - u64 bitmap = 0; - int start = agg->start_idx; - struct sk_buff *skb; - - /* Construct bit-map of pending frames within Tx win */ - for (i = 0; i < agg->frame_count; i++) { - u16 sc; - status = le16_to_cpu(frame_status[i].status); - seq = le16_to_cpu(frame_status[i].sequence); - idx = SEQ_TO_IDX(seq); - txq_id = SEQ_TO_QUEUE(seq); - - if (status & - (AGG_TX_STATE_FEW_BYTES_MSK | - AGG_TX_STATE_ABORT_MSK)) - continue; - - D_TX_REPLY("FrameCnt = %d, txq_id=%d idx=%d\n", - agg->frame_count, txq_id, idx); - - skb = il->txq[txq_id].skbs[idx]; - if (WARN_ON_ONCE(skb == NULL)) - return -1; - hdr = (struct ieee80211_hdr *) skb->data; - - sc = le16_to_cpu(hdr->seq_ctrl); - if (idx != (SEQ_TO_SN(sc) & 0xff)) { - IL_ERR("BUG_ON idx doesn't match seq control" - " idx=%d, seq_idx=%d, seq=%d\n", idx, - SEQ_TO_SN(sc), hdr->seq_ctrl); - return -1; - } - - D_TX_REPLY("AGG Frame i=%d idx %d seq=%d\n", i, idx, - SEQ_TO_SN(sc)); - - sh = idx - start; - if (sh > 64) { - sh = (start - idx) + 0xff; - bitmap = bitmap << sh; - sh = 0; - start = idx; - } else if (sh < -64) - sh = 0xff - (start - idx); - else if (sh < 0) { - sh = start - idx; - start = idx; - bitmap = bitmap << sh; - sh = 0; - } - bitmap |= 1ULL << sh; - D_TX_REPLY("start=%d bitmap=0x%llx\n", start, - (unsigned long long)bitmap); - } - - agg->bitmap = bitmap; - agg->start_idx = start; - D_TX_REPLY("Frames %d start_idx=%d bitmap=0x%llx\n", - agg->frame_count, agg->start_idx, - (unsigned long long)agg->bitmap); - - if (bitmap) - agg->wait_for_ba = 1; - } - return 0; -} - -static u8 -il4965_find_station(struct il_priv *il, const u8 * addr) -{ - int i; - int start = 0; - int ret = IL_INVALID_STATION; - unsigned long flags; - - if ((il->iw_mode == NL80211_IFTYPE_ADHOC)) - start = IL_STA_ID; - - if (is_broadcast_ether_addr(addr)) - return il->hw_params.bcast_id; - - spin_lock_irqsave(&il->sta_lock, flags); - for (i = start; i < il->hw_params.max_stations; i++) - if (il->stations[i].used && - (!compare_ether_addr(il->stations[i].sta.sta.addr, addr))) { - ret = i; - goto out; - } - - D_ASSOC("can not find STA %pM total %d\n", addr, il->num_stations); - -out: - /* - * It may be possible that more commands interacting with stations - * arrive before we completed processing the adding of - * station - */ - if (ret != IL_INVALID_STATION && - (!(il->stations[ret].used & IL_STA_UCODE_ACTIVE) || - ((il->stations[ret].used & IL_STA_UCODE_ACTIVE) && - (il->stations[ret].used & IL_STA_UCODE_INPROGRESS)))) { - IL_ERR("Requested station info for sta %d before ready.\n", - ret); - ret = IL_INVALID_STATION; - } - spin_unlock_irqrestore(&il->sta_lock, flags); - return ret; -} - -static int -il4965_get_ra_sta_id(struct il_priv *il, struct ieee80211_hdr *hdr) -{ - if (il->iw_mode == NL80211_IFTYPE_STATION) { - return IL_AP_ID; - } else { - u8 *da = ieee80211_get_DA(hdr); - return il4965_find_station(il, da); - } -} - -/** - * il4965_hdl_tx - Handle standard (non-aggregation) Tx response - */ -static void -il4965_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb) -{ - struct il_rx_pkt *pkt = rxb_addr(rxb); - u16 sequence = le16_to_cpu(pkt->hdr.sequence); - int txq_id = SEQ_TO_QUEUE(sequence); - int idx = SEQ_TO_IDX(sequence); - struct il_tx_queue *txq = &il->txq[txq_id]; - struct sk_buff *skb; - struct ieee80211_hdr *hdr; - struct ieee80211_tx_info *info; - struct il4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; - u32 status = le32_to_cpu(tx_resp->u.status); - int uninitialized_var(tid); - int sta_id; - int freed; - u8 *qc = NULL; - unsigned long flags; - - if (idx >= txq->q.n_bd || il_queue_used(&txq->q, idx) == 0) { - IL_ERR("Read idx for DMA queue txq_id (%d) idx %d " - "is out of range [0-%d] %d %d\n", txq_id, idx, - txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr); - return; - } - - txq->time_stamp = jiffies; - - skb = txq->skbs[txq->q.read_ptr]; - info = IEEE80211_SKB_CB(skb); - memset(&info->status, 0, sizeof(info->status)); - - hdr = (struct ieee80211_hdr *) skb->data; - if (ieee80211_is_data_qos(hdr->frame_control)) { - qc = ieee80211_get_qos_ctl(hdr); - tid = qc[0] & 0xf; - } - - sta_id = il4965_get_ra_sta_id(il, hdr); - if (txq->sched_retry && unlikely(sta_id == IL_INVALID_STATION)) { - IL_ERR("Station not known\n"); - return; - } - - spin_lock_irqsave(&il->sta_lock, flags); - if (txq->sched_retry) { - const u32 scd_ssn = il4965_get_scd_ssn(tx_resp); - struct il_ht_agg *agg = NULL; - WARN_ON(!qc); - - agg = &il->stations[sta_id].tid[tid].agg; - - il4965_tx_status_reply_tx(il, agg, tx_resp, txq_id, idx); - - /* check if BAR is needed */ - if ((tx_resp->frame_count == 1) && - !il4965_is_tx_success(status)) - info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK; - - if (txq->q.read_ptr != (scd_ssn & 0xff)) { - idx = il_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); - D_TX_REPLY("Retry scheduler reclaim scd_ssn " - "%d idx %d\n", scd_ssn, idx); - freed = il4965_tx_queue_reclaim(il, txq_id, idx); - if (qc) - il4965_free_tfds_in_queue(il, sta_id, tid, - freed); - - if (il->mac80211_registered && - il_queue_space(&txq->q) > txq->q.low_mark && - agg->state != IL_EMPTYING_HW_QUEUE_DELBA) - il_wake_queue(il, txq); - } - } else { - info->status.rates[0].count = tx_resp->failure_frame + 1; - info->flags |= il4965_tx_status_to_mac80211(status); - il4965_hwrate_to_tx_control(il, - le32_to_cpu(tx_resp->rate_n_flags), - info); - - D_TX_REPLY("TXQ %d status %s (0x%08x) " - "rate_n_flags 0x%x retries %d\n", txq_id, - il4965_get_tx_fail_reason(status), status, - le32_to_cpu(tx_resp->rate_n_flags), - tx_resp->failure_frame); - - freed = il4965_tx_queue_reclaim(il, txq_id, idx); - if (qc && likely(sta_id != IL_INVALID_STATION)) - il4965_free_tfds_in_queue(il, sta_id, tid, freed); - else if (sta_id == IL_INVALID_STATION) - D_TX_REPLY("Station not known\n"); - - if (il->mac80211_registered && - il_queue_space(&txq->q) > txq->q.low_mark) - il_wake_queue(il, txq); - } - if (qc && likely(sta_id != IL_INVALID_STATION)) - il4965_txq_check_empty(il, sta_id, tid, txq_id); - - il4965_check_abort_status(il, tx_resp->frame_count, status); - - spin_unlock_irqrestore(&il->sta_lock, flags); -} - -/* Set up 4965-specific Rx frame reply handlers */ -static void -il4965_handler_setup(struct il_priv *il) -{ - /* Legacy Rx frames */ - il->handlers[N_RX] = il4965_hdl_rx; - /* Tx response */ - il->handlers[C_TX] = il4965_hdl_tx; -} - -static struct il_hcmd_ops il4965_hcmd = { - .rxon_assoc = il4965_send_rxon_assoc, - .commit_rxon = il4965_commit_rxon, - .set_rxon_chain = il4965_set_rxon_chain, -}; - static void il4965_post_scan(struct il_priv *il) { @@ -2093,8 +1772,8 @@ il4965_post_associate(struct il_priv *il) il_set_rxon_ht(il, &il->current_ht_config); - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); il->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid); @@ -2168,8 +1847,8 @@ il4965_config_ap(struct il_priv *il) /* AP has all antennas */ il->chain_noise_data.active_chains = il->hw_params.valid_rx_ant; il_set_rxon_ht(il, &il->current_ht_config); - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); il->staging.assoc_id = 0; @@ -2193,68 +1872,38 @@ il4965_config_ap(struct il_priv *il) il4965_send_beacon_cmd(il); } -static struct il_hcmd_utils_ops il4965_hcmd_utils = { - .get_hcmd_size = il4965_get_hcmd_size, - .build_addsta_hcmd = il4965_build_addsta_hcmd, - .request_scan = il4965_request_scan, - .post_scan = il4965_post_scan, -}; - -static struct il_lib_ops il4965_lib = { +const struct il_ops il4965_ops = { .txq_update_byte_cnt_tbl = il4965_txq_update_byte_cnt_tbl, .txq_attach_buf_to_tfd = il4965_hw_txq_attach_buf_to_tfd, .txq_free_tfd = il4965_hw_txq_free_tfd, .txq_init = il4965_hw_tx_queue_init, - .handler_setup = il4965_handler_setup, .is_valid_rtc_data_addr = il4965_hw_valid_rtc_data_addr, .init_alive_start = il4965_init_alive_start, .load_ucode = il4965_load_bsm, .dump_nic_error_log = il4965_dump_nic_error_log, .dump_fh = il4965_dump_fh, .set_channel_switch = il4965_hw_channel_switch, - .apm_ops = { - .init = il_apm_init, - .config = il4965_nic_config, - }, - .eeprom_ops = { - .regulatory_bands = { - EEPROM_REGULATORY_BAND_1_CHANNELS, - EEPROM_REGULATORY_BAND_2_CHANNELS, - EEPROM_REGULATORY_BAND_3_CHANNELS, - EEPROM_REGULATORY_BAND_4_CHANNELS, - EEPROM_REGULATORY_BAND_5_CHANNELS, - EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS, - EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS}, - .acquire_semaphore = il4965_eeprom_acquire_semaphore, - .release_semaphore = il4965_eeprom_release_semaphore, - }, + .apm_init = il_apm_init, .send_tx_power = il4965_send_tx_power, .update_chain_flags = il4965_update_chain_flags, - .temp_ops = { - .temperature = il4965_temperature_calib, - }, -#ifdef CONFIG_IWLEGACY_DEBUGFS - .debugfs_ops = { - .rx_stats_read = il4965_ucode_rx_stats_read, - .tx_stats_read = il4965_ucode_tx_stats_read, - .general_stats_read = il4965_ucode_general_stats_read, - }, -#endif -}; + .eeprom_acquire_semaphore = il4965_eeprom_acquire_semaphore, + .eeprom_release_semaphore = il4965_eeprom_release_semaphore, + + .rxon_assoc = il4965_send_rxon_assoc, + .commit_rxon = il4965_commit_rxon, + .set_rxon_chain = il4965_set_rxon_chain, + + .get_hcmd_size = il4965_get_hcmd_size, + .build_addsta_hcmd = il4965_build_addsta_hcmd, + .request_scan = il4965_request_scan, + .post_scan = il4965_post_scan, -static const struct il_legacy_ops il4965_legacy_ops = { .post_associate = il4965_post_associate, .config_ap = il4965_config_ap, .manage_ibss_station = il4965_manage_ibss_station, .update_bcast_stations = il4965_update_bcast_stations, -}; -const struct il_ops il4965_ops = { - .lib = &il4965_lib, - .hcmd = &il4965_hcmd, - .utils = &il4965_hcmd_utils, - .led = &il4965_led_ops, - .legacy = &il4965_legacy_ops, + .send_led_cmd = il4965_send_led_cmd, }; struct il_cfg il4965_cfg = { @@ -2288,6 +1937,17 @@ struct il_cfg il4965_cfg = { .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, + + .regulatory_bands = { + EEPROM_REGULATORY_BAND_1_CHANNELS, + EEPROM_REGULATORY_BAND_2_CHANNELS, + EEPROM_REGULATORY_BAND_3_CHANNELS, + EEPROM_REGULATORY_BAND_4_CHANNELS, + EEPROM_REGULATORY_BAND_5_CHANNELS, + EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS, + EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS + }, + }; /* Module firmware */ diff --git a/drivers/net/wireless/iwlegacy/4965.h b/drivers/net/wireless/iwlegacy/4965.h index 83ab6049638..1db677689cf 100644 --- a/drivers/net/wireless/iwlegacy/4965.h +++ b/drivers/net/wireless/iwlegacy/4965.h @@ -60,6 +60,8 @@ int il4965_rx_init(struct il_priv *il, struct il_rx_queue *rxq); int il4965_hw_nic_init(struct il_priv *il); int il4965_dump_fh(struct il_priv *il, char **buf, bool display); +void il4965_nic_config(struct il_priv *il); + /* rx */ void il4965_rx_queue_restock(struct il_priv *il); void il4965_rx_replenish(struct il_priv *il); @@ -67,8 +69,6 @@ void il4965_rx_replenish_now(struct il_priv *il); void il4965_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq); int il4965_rxq_stop(struct il_priv *il); int il4965_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); -void il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb); -void il4965_hdl_rx_phy(struct il_priv *il, struct il_rx_buf *rxb); void il4965_rx_handle(struct il_priv *il); /* tx */ @@ -84,7 +84,6 @@ int il4965_tx_agg_start(struct il_priv *il, struct ieee80211_vif *vif, int il4965_tx_agg_stop(struct il_priv *il, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); int il4965_txq_check_empty(struct il_priv *il, int sta_id, u8 tid, int txq_id); -void il4965_hdl_compressed_ba(struct il_priv *il, struct il_rx_buf *rxb); int il4965_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx); void il4965_hw_txq_ctx_free(struct il_priv *il); int il4965_txq_ctx_alloc(struct il_priv *il); @@ -106,12 +105,6 @@ void il4965_set_wr_ptrs(struct il_priv *il, int txq_id, u32 idx); void il4965_tx_queue_set_status(struct il_priv *il, struct il_tx_queue *txq, int tx_fifo_id, int scd_retry); -/* rx */ -void il4965_hdl_missed_beacon(struct il_priv *il, struct il_rx_buf *rxb); -bool il4965_good_plcp_health(struct il_priv *il, struct il_rx_pkt *pkt); -void il4965_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb); -void il4965_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb); - /* scan */ int il4965_request_scan(struct il_priv *il, struct ieee80211_vif *vif); @@ -275,6 +268,7 @@ il4965_hw_valid_rtc_data_addr(u32 addr) ((t) < IL_TX_POWER_TEMPERATURE_MIN || \ (t) > IL_TX_POWER_TEMPERATURE_MAX) +extern void il4965_temperature_calib(struct il_priv *il); /********************* END TEMPERATURE ***************************************/ /********************* START TXPOWER *****************************************/ @@ -933,17 +927,10 @@ void il4965_chain_noise_calibration(struct il_priv *il, void *stat_resp); void il4965_sensitivity_calibration(struct il_priv *il, void *resp); void il4965_init_sensitivity(struct il_priv *il); void il4965_reset_run_time_calib(struct il_priv *il); -void il4965_calib_free_results(struct il_priv *il); /* Debug */ #ifdef CONFIG_IWLEGACY_DEBUGFS -ssize_t il4965_ucode_rx_stats_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos); -ssize_t il4965_ucode_tx_stats_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos); -ssize_t il4965_ucode_general_stats_read(struct file *file, - char __user *user_buf, size_t count, - loff_t *ppos); +extern const struct il_debugfs_ops il4965_debugfs_ops; #endif /****************************/ diff --git a/drivers/net/wireless/iwlegacy/Kconfig b/drivers/net/wireless/iwlegacy/Kconfig index 05bd375cb84..fb919727b8b 100644 --- a/drivers/net/wireless/iwlegacy/Kconfig +++ b/drivers/net/wireless/iwlegacy/Kconfig @@ -6,45 +6,6 @@ config IWLEGACY select LEDS_TRIGGERS select MAC80211_LEDS -menu "Debugging Options" - depends on IWLEGACY - -config IWLEGACY_DEBUG - bool "Enable full debugging output in iwlegacy (iwl 3945/4965) drivers" - depends on IWLEGACY - ---help--- - This option will enable debug tracing output for the iwlegacy - drivers. - - This will result in the kernel module being ~100k larger. You can - control which debug output is sent to the kernel log by setting the - value in - - /sys/class/net/wlan0/device/debug_level - - This entry will only exist if this option is enabled. - - To set a value, simply echo an 8-byte hex value to the same file: - - % echo 0x43fff > /sys/class/net/wlan0/device/debug_level - - You can find the list of debug mask values in: - drivers/net/wireless/iwlegacy/common.h - - If this is your first time using this driver, you should say Y here - as the debug information can assist others in helping you resolve - any problems you may encounter. - -config IWLEGACY_DEBUGFS - bool "iwlegacy (iwl 3945/4965) debugfs support" - depends on IWLEGACY && MAC80211_DEBUGFS - ---help--- - Enable creation of debugfs files for the iwlegacy drivers. This - is a low-impact option that allows getting insight into the - driver's state at runtime. - -endmenu - config IWL4965 tristate "Intel Wireless WiFi 4965AGN (iwl4965)" depends on PCI && MAC80211 @@ -98,3 +59,42 @@ config IWL3945 inserted in and removed from the running kernel whenever you want), say M here and read <file:Documentation/kbuild/modules.txt>. The module will be called iwl3945. + +menu "iwl3945 / iwl4965 Debugging Options" + depends on IWLEGACY + +config IWLEGACY_DEBUG + bool "Enable full debugging output in iwlegacy (iwl 3945/4965) drivers" + depends on IWLEGACY + ---help--- + This option will enable debug tracing output for the iwlegacy + drivers. + + This will result in the kernel module being ~100k larger. You can + control which debug output is sent to the kernel log by setting the + value in + + /sys/class/net/wlan0/device/debug_level + + This entry will only exist if this option is enabled. + + To set a value, simply echo an 8-byte hex value to the same file: + + % echo 0x43fff > /sys/class/net/wlan0/device/debug_level + + You can find the list of debug mask values in: + drivers/net/wireless/iwlegacy/common.h + + If this is your first time using this driver, you should say Y here + as the debug information can assist others in helping you resolve + any problems you may encounter. + +config IWLEGACY_DEBUGFS + bool "iwlegacy (iwl 3945/4965) debugfs support" + depends on IWLEGACY && MAC80211_DEBUGFS + ---help--- + Enable creation of debugfs files for the iwlegacy drivers. This + is a low-impact option that allows getting insight into the + driver's state at runtime. + +endmenu diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index 04ec38e5eaa..b42052b47d8 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -81,7 +81,7 @@ il_clear_bit(struct il_priv *p, u32 r, u32 m) } EXPORT_SYMBOL(il_clear_bit); -int +bool _il_grab_nic_access(struct il_priv *il) { int ret; @@ -111,14 +111,15 @@ _il_grab_nic_access(struct il_priv *il) _il_poll_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); - if (ret < 0) { + if (unlikely(ret < 0)) { val = _il_rd(il, CSR_GP_CNTRL); - IL_ERR("MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); + WARN_ONCE(1, "Timeout waiting for ucode processor access " + "(CSR_GP_CNTRL 0x%08x)\n", val); _il_wr(il, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); - return -EIO; + return false; } - return 0; + return true; } EXPORT_SYMBOL_GPL(_il_grab_nic_access); @@ -160,7 +161,7 @@ il_wr_prph(struct il_priv *il, u32 addr, u32 val) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - if (!_il_grab_nic_access(il)) { + if (likely(_il_grab_nic_access(il))) { _il_wr_prph(il, addr, val); _il_release_nic_access(il); } @@ -178,7 +179,6 @@ il_read_targ_mem(struct il_priv *il, u32 addr) _il_grab_nic_access(il); _il_wr(il, HBUS_TARG_MEM_RADDR, addr); - rmb(); value = _il_rd(il, HBUS_TARG_MEM_RDAT); _il_release_nic_access(il); @@ -193,9 +193,8 @@ il_write_targ_mem(struct il_priv *il, u32 addr, u32 val) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - if (!_il_grab_nic_access(il)) { + if (likely(_il_grab_nic_access(il))) { _il_wr(il, HBUS_TARG_MEM_WADDR, addr); - wmb(); _il_wr(il, HBUS_TARG_MEM_WDAT, val); _il_release_nic_access(il); } @@ -351,7 +350,7 @@ il_send_cmd_sync(struct il_priv *il, struct il_host_cmd *cmd) } } - if (test_bit(S_RF_KILL_HW, &il->status)) { + if (test_bit(S_RFKILL, &il->status)) { IL_ERR("Command %s aborted: RF KILL Switch\n", il_get_cmd_string(cmd->id)); ret = -ECANCELED; @@ -520,7 +519,7 @@ il_led_cmd(struct il_priv *il, unsigned long on, unsigned long off) il_blink_compensation(il, off, il->cfg->led_compensation); - ret = il->ops->led->cmd(il, &led_cmd); + ret = il->ops->send_led_cmd(il, &led_cmd); if (!ret) { il->blink_on = on; il->blink_off = off; @@ -731,7 +730,7 @@ il_eeprom_init(struct il_priv *il) } e = (__le16 *) il->eeprom; - il->ops->lib->apm_ops.init(il); + il->ops->apm_init(il); ret = il_eeprom_verify_signature(il); if (ret < 0) { @@ -741,7 +740,7 @@ il_eeprom_init(struct il_priv *il) } /* Make sure driver (instead of uCode) is allowed to read EEPROM */ - ret = il->ops->lib->eeprom_ops.acquire_semaphore(il); + ret = il->ops->eeprom_acquire_semaphore(il); if (ret < 0) { IL_ERR("Failed to acquire EEPROM semaphore.\n"); ret = -ENOENT; @@ -773,7 +772,7 @@ il_eeprom_init(struct il_priv *il) ret = 0; done: - il->ops->lib->eeprom_ops.release_semaphore(il); + il->ops->eeprom_release_semaphore(il); err: if (ret) @@ -799,8 +798,8 @@ il_init_band_reference(const struct il_priv *il, int eep_band, const struct il_eeprom_channel **eeprom_ch_info, const u8 **eeprom_ch_idx) { - u32 offset = - il->ops->lib->eeprom_ops.regulatory_bands[eep_band - 1]; + u32 offset = il->cfg->regulatory_bands[eep_band - 1]; + switch (eep_band) { case 1: /* 2.4GHz band */ *eeprom_ch_count = ARRAY_SIZE(il_eeprom_band_1); @@ -1001,10 +1000,8 @@ il_init_channel_map(struct il_priv *il) } /* Check if we do have HT40 channels */ - if (il->ops->lib->eeprom_ops.regulatory_bands[5] == - EEPROM_REGULATORY_BAND_NO_HT40 && - il->ops->lib->eeprom_ops.regulatory_bands[6] == - EEPROM_REGULATORY_BAND_NO_HT40) + if (il->cfg->regulatory_bands[5] == EEPROM_REGULATORY_BAND_NO_HT40 && + il->cfg->regulatory_bands[6] == EEPROM_REGULATORY_BAND_NO_HT40) return 0; /* Two additional EEPROM bands for 2.4 and 5 GHz HT40 channels */ @@ -1158,9 +1155,9 @@ il_power_set_mode(struct il_priv *il, struct il_powertable_cmd *cmd, bool force) if (!(cmd->flags & IL_POWER_DRIVER_ALLOW_SLEEP_MSK)) clear_bit(S_POWER_PMI, &il->status); - if (il->ops->lib->update_chain_flags && update_chains) - il->ops->lib->update_chain_flags(il); - else if (il->ops->lib->update_chain_flags) + if (il->ops->update_chain_flags && update_chains) + il->ops->update_chain_flags(il); + else if (il->ops->update_chain_flags) D_POWER("Cannot update the power, chain noise " "calibration running: %d\n", il->chain_noise_data.state); @@ -1485,9 +1482,6 @@ il_scan_initiate(struct il_priv *il, struct ieee80211_vif *vif) lockdep_assert_held(&il->mutex); - if (WARN_ON(!il->ops->utils->request_scan)) - return -EOPNOTSUPP; - cancel_delayed_work(&il->scan_check); if (!il_is_ready_rf(il)) { @@ -1510,7 +1504,7 @@ il_scan_initiate(struct il_priv *il, struct ieee80211_vif *vif) set_bit(S_SCANNING, &il->status); il->scan_start = jiffies; - ret = il->ops->utils->request_scan(il, vif); + ret = il->ops->request_scan(il, vif); if (ret) { clear_bit(S_SCANNING, &il->status); return ret; @@ -1529,12 +1523,13 @@ il_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct il_priv *il = hw->priv; int ret; - D_MAC80211("enter\n"); - - if (req->n_channels == 0) + if (req->n_channels == 0) { + IL_ERR("Can not scan on no channels.\n"); return -EINVAL; + } mutex_lock(&il->mutex); + D_MAC80211("enter\n"); if (test_bit(S_SCANNING, &il->status)) { D_SCAN("Scan already in progress.\n"); @@ -1549,9 +1544,8 @@ il_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, ret = il_scan_initiate(il, vif); - D_MAC80211("leave\n"); - out_unlock: + D_MAC80211("leave ret %d\n", ret); mutex_unlock(&il->mutex); return ret; @@ -1672,7 +1666,7 @@ out_settings: il_power_set_mode(il, &il->power_data.sleep_cmd_next, false); il_set_tx_power(il, il->tx_power_next, false); - il->ops->utils->post_scan(il); + il->ops->post_scan(il); out: mutex_unlock(&il->mutex); @@ -1814,7 +1808,7 @@ il_send_add_sta(struct il_priv *il, struct il_addsta_cmd *sta, u8 flags) might_sleep(); } - cmd.len = il->ops->utils->build_addsta_hcmd(sta, data); + cmd.len = il->ops->build_addsta_hcmd(sta, data); ret = il_send_cmd(il, &cmd); if (ret || (flags & CMD_ASYNC)) @@ -2419,13 +2413,16 @@ il_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct il_station_priv_common *sta_common = (void *)sta->drv_priv; int ret; - D_INFO("received request to remove station %pM\n", sta->addr); mutex_lock(&il->mutex); - D_INFO("proceeding to remove station %pM\n", sta->addr); + D_MAC80211("enter station %pM\n", sta->addr); + ret = il_remove_station(il, sta_common->sta_id, sta->addr); if (ret) IL_ERR("Error removing station %pM\n", sta->addr); + + D_MAC80211("leave ret %d\n", ret); mutex_unlock(&il->mutex); + return ret; } EXPORT_SYMBOL(il_mac_sta_remove); @@ -2722,7 +2719,7 @@ il_tx_queue_unmap(struct il_priv *il, int txq_id) return; while (q->write_ptr != q->read_ptr) { - il->ops->lib->txq_free_tfd(il, txq); + il->ops->txq_free_tfd(il, txq); q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd); } } @@ -2890,20 +2887,22 @@ EXPORT_SYMBOL(il_queue_space); * il_queue_init - Initialize queue's high/low-water and read/write idxes */ static int -il_queue_init(struct il_priv *il, struct il_queue *q, int count, int slots_num, - u32 id) +il_queue_init(struct il_priv *il, struct il_queue *q, int slots, u32 id) { - q->n_bd = count; - q->n_win = slots_num; - q->id = id; + /* + * TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise + * il_queue_inc_wrap and il_queue_dec_wrap are broken. + */ + BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); + /* FIXME: remove q->n_bd */ + q->n_bd = TFD_QUEUE_SIZE_MAX; - /* count must be power-of-two size, otherwise il_queue_inc_wrap - * and il_queue_dec_wrap are broken. */ - BUG_ON(!is_power_of_2(count)); + q->n_win = slots; + q->id = id; - /* slots_num must be power-of-two size, otherwise + /* slots_must be power-of-two size, otherwise * il_get_cmd_idx is broken. */ - BUG_ON(!is_power_of_2(slots_num)); + BUG_ON(!is_power_of_2(slots)); q->low_mark = q->n_win / 4; if (q->low_mark < 4) @@ -2962,12 +2961,11 @@ error: * il_tx_queue_init - Allocate and initialize one tx/cmd queue */ int -il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, - u32 txq_id) +il_tx_queue_init(struct il_priv *il, u32 txq_id) { - int i, len; - int ret; - int actual_slots = slots_num; + int i, len, ret; + int slots, actual_slots; + struct il_tx_queue *txq = &il->txq[txq_id]; /* * Alloc buffer array for commands (Tx or other types of commands). @@ -2977,8 +2975,13 @@ il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, * For normal Tx queues (all other queues), no super-size command * space is needed. */ - if (txq_id == il->cmd_queue) - actual_slots++; + if (txq_id == il->cmd_queue) { + slots = TFD_CMD_SLOTS; + actual_slots = slots + 1; + } else { + slots = TFD_TX_CMD_SLOTS; + actual_slots = slots; + } txq->meta = kzalloc(sizeof(struct il_cmd_meta) * actual_slots, GFP_KERNEL); @@ -2991,7 +2994,7 @@ il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, len = sizeof(struct il_device_cmd); for (i = 0; i < actual_slots; i++) { /* only happens for cmd queue */ - if (i == slots_num) + if (i == slots) len = IL_MAX_CMD_SIZE; txq->cmd[i] = kmalloc(len, GFP_KERNEL); @@ -3014,15 +3017,11 @@ il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, if (txq_id < 4) il_set_swq_id(txq, txq_id, txq_id); - /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * il_queue_inc_wrap and il_queue_dec_wrap are broken. */ - BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - /* Initialize queue's high/low-water marks, and head/tail idxes */ - il_queue_init(il, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); + il_queue_init(il, &txq->q, slots, txq_id); /* Tell device where to find queue */ - il->ops->lib->txq_init(il, txq); + il->ops->txq_init(il, txq); return 0; err: @@ -3037,23 +3036,27 @@ out_free_arrays: EXPORT_SYMBOL(il_tx_queue_init); void -il_tx_queue_reset(struct il_priv *il, struct il_tx_queue *txq, int slots_num, - u32 txq_id) +il_tx_queue_reset(struct il_priv *il, u32 txq_id) { - int actual_slots = slots_num; + int slots, actual_slots; + struct il_tx_queue *txq = &il->txq[txq_id]; - if (txq_id == il->cmd_queue) - actual_slots++; + if (txq_id == il->cmd_queue) { + slots = TFD_CMD_SLOTS; + actual_slots = TFD_CMD_SLOTS + 1; + } else { + slots = TFD_TX_CMD_SLOTS; + actual_slots = TFD_TX_CMD_SLOTS; + } memset(txq->meta, 0, sizeof(struct il_cmd_meta) * actual_slots); - txq->need_update = 0; /* Initialize queue's high/low-water marks, and head/tail idxes */ - il_queue_init(il, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); + il_queue_init(il, &txq->q, slots, txq_id); /* Tell device where to find queue */ - il->ops->lib->txq_init(il, txq); + il->ops->txq_init(il, txq); } EXPORT_SYMBOL(il_tx_queue_reset); @@ -3081,7 +3084,7 @@ il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd) u32 idx; u16 fix_size; - cmd->len = il->ops->utils->get_hcmd_size(cmd->id, cmd->len); + cmd->len = il->ops->get_hcmd_size(cmd->id, cmd->len); fix_size = (u16) (cmd->len + sizeof(out_cmd->hdr)); /* If any of the command structures end up being larger than @@ -3160,9 +3163,9 @@ il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd) #endif txq->need_update = 1; - if (il->ops->lib->txq_update_byte_cnt_tbl) + if (il->ops->txq_update_byte_cnt_tbl) /* Set up entry in queue's byte count circular buffer */ - il->ops->lib->txq_update_byte_cnt_tbl(il, txq, 0); + il->ops->txq_update_byte_cnt_tbl(il, txq, 0); phys_addr = pci_map_single(il->pci_dev, &out_cmd->hdr, fix_size, @@ -3170,7 +3173,7 @@ il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd) dma_unmap_addr_set(out_meta, mapping, phys_addr); dma_unmap_len_set(out_meta, len, fix_size); - il->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr, fix_size, 1, + il->ops->txq_attach_buf_to_tfd(il, txq, phys_addr, fix_size, 1, U32_PAD(cmd->len)); /* Increment and update queue's write idx */ @@ -3845,8 +3848,8 @@ _il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf) rxon->flags |= RXON_FLG_CHANNEL_MODE_LEGACY; } - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); D_ASSOC("rxon flags 0x%X operation mode :0x%X " "extension channel offset 0x%x\n", le32_to_cpu(rxon->flags), @@ -4104,9 +4107,9 @@ il_irq_handle_error(struct il_priv *il) IL_ERR("Loaded firmware version: %s\n", il->hw->wiphy->fw_version); - il->ops->lib->dump_nic_error_log(il); - if (il->ops->lib->dump_fh) - il->ops->lib->dump_fh(il, NULL, false); + il->ops->dump_nic_error_log(il); + if (il->ops->dump_fh) + il->ops->dump_fh(il, NULL, false); #ifdef CONFIG_IWLEGACY_DEBUG if (il_get_debug_level(il) & IL_DL_FW_ERRORS) il_print_rx_config_cmd(il); @@ -4129,17 +4132,17 @@ il_irq_handle_error(struct il_priv *il) EXPORT_SYMBOL(il_irq_handle_error); static int -il_apm_stop_master(struct il_priv *il) +_il_apm_stop_master(struct il_priv *il) { int ret = 0; /* stop device's busmaster DMA activity */ - il_set_bit(il, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); + _il_set_bit(il, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); ret = _il_poll_bit(il, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - if (ret) + if (ret < 0) IL_WARN("Master Disable Timed Out, 100 usec\n"); D_INFO("stop master\n"); @@ -4148,15 +4151,17 @@ il_apm_stop_master(struct il_priv *il) } void -il_apm_stop(struct il_priv *il) +_il_apm_stop(struct il_priv *il) { + lockdep_assert_held(&il->reg_lock); + D_INFO("Stop card, put in low power state\n"); /* Stop device's DMA activity */ - il_apm_stop_master(il); + _il_apm_stop_master(il); /* Reset the entire device */ - il_set_bit(il, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + _il_set_bit(il, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); udelay(10); @@ -4164,7 +4169,18 @@ il_apm_stop(struct il_priv *il) * Clear "initialization complete" bit to move adapter from * D0A* (powered-up Active) --> D0U* (Uninitialized) state. */ - il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); +} +EXPORT_SYMBOL(_il_apm_stop); + +void +il_apm_stop(struct il_priv *il) +{ + unsigned long flags; + + spin_lock_irqsave(&il->reg_lock, flags); + _il_apm_stop(il); + spin_unlock_irqrestore(&il->reg_lock, flags); } EXPORT_SYMBOL(il_apm_stop); @@ -4293,7 +4309,7 @@ il_set_tx_power(struct il_priv *il, s8 tx_power, bool force) if (il->tx_power_user_lmt == tx_power && !force) return 0; - if (!il->ops->lib->send_tx_power) + if (!il->ops->send_tx_power) return -EOPNOTSUPP; /* 0 dBm mean 1 milliwatt */ @@ -4326,7 +4342,7 @@ il_set_tx_power(struct il_priv *il, s8 tx_power, bool force) prev_tx_power = il->tx_power_user_lmt; il->tx_power_user_lmt = tx_power; - ret = il->ops->lib->send_tx_power(il); + ret = il->ops->send_tx_power(il); /* if fail to set tx_power, restore the orig. tx power */ if (ret) { @@ -4465,8 +4481,14 @@ int il_mac_tx_last_beacon(struct ieee80211_hw *hw) { struct il_priv *il = hw->priv; + int ret; - return il->ibss_manager == IL_IBSS_MANAGER; + D_MAC80211("enter\n"); + + ret = (il->ibss_manager == IL_IBSS_MANAGER); + + D_MAC80211("leave ret %d\n", ret); + return ret; } EXPORT_SYMBOL_GPL(il_mac_tx_last_beacon); @@ -4475,8 +4497,8 @@ il_set_mode(struct il_priv *il) { il_connection_init_rx_config(il); - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); return il_commit_rxon(il); } @@ -4487,9 +4509,8 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) struct il_priv *il = hw->priv; int err; - D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr); - mutex_lock(&il->mutex); + D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr); if (!il_is_ready_rf(il)) { IL_WARN("Try to add interface when device not ready\n"); @@ -4512,9 +4533,9 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) } out: + D_MAC80211("leave err %d\n", err); mutex_unlock(&il->mutex); - D_MAC80211("leave\n"); return err; } EXPORT_SYMBOL(il_mac_add_interface); @@ -4540,20 +4561,17 @@ il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct il_priv *il = hw->priv; - D_MAC80211("enter\n"); - mutex_lock(&il->mutex); + D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr); WARN_ON(il->vif != vif); il->vif = NULL; il_teardown_interface(il, vif, false); - memset(il->bssid, 0, ETH_ALEN); - mutex_unlock(&il->mutex); D_MAC80211("leave\n"); - + mutex_unlock(&il->mutex); } EXPORT_SYMBOL(il_mac_remove_interface); @@ -4573,259 +4591,12 @@ il_alloc_txq_mem(struct il_priv *il) EXPORT_SYMBOL(il_alloc_txq_mem); void -il_txq_mem(struct il_priv *il) +il_free_txq_mem(struct il_priv *il) { kfree(il->txq); il->txq = NULL; } -EXPORT_SYMBOL(il_txq_mem); - -#ifdef CONFIG_IWLEGACY_DEBUGFS - -#define IL_TRAFFIC_DUMP_SIZE (IL_TRAFFIC_ENTRY_SIZE * IL_TRAFFIC_ENTRIES) - -void -il_reset_traffic_log(struct il_priv *il) -{ - il->tx_traffic_idx = 0; - il->rx_traffic_idx = 0; - if (il->tx_traffic) - memset(il->tx_traffic, 0, IL_TRAFFIC_DUMP_SIZE); - if (il->rx_traffic) - memset(il->rx_traffic, 0, IL_TRAFFIC_DUMP_SIZE); -} - -int -il_alloc_traffic_mem(struct il_priv *il) -{ - u32 traffic_size = IL_TRAFFIC_DUMP_SIZE; - - if (il_debug_level & IL_DL_TX) { - if (!il->tx_traffic) { - il->tx_traffic = kzalloc(traffic_size, GFP_KERNEL); - if (!il->tx_traffic) - return -ENOMEM; - } - } - if (il_debug_level & IL_DL_RX) { - if (!il->rx_traffic) { - il->rx_traffic = kzalloc(traffic_size, GFP_KERNEL); - if (!il->rx_traffic) - return -ENOMEM; - } - } - il_reset_traffic_log(il); - return 0; -} -EXPORT_SYMBOL(il_alloc_traffic_mem); - -void -il_free_traffic_mem(struct il_priv *il) -{ - kfree(il->tx_traffic); - il->tx_traffic = NULL; - - kfree(il->rx_traffic); - il->rx_traffic = NULL; -} -EXPORT_SYMBOL(il_free_traffic_mem); - -void -il_dbg_log_tx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ - __le16 fc; - u16 len; - - if (likely(!(il_debug_level & IL_DL_TX))) - return; - - if (!il->tx_traffic) - return; - - fc = header->frame_control; - if (ieee80211_is_data(fc)) { - len = - (length > - IL_TRAFFIC_ENTRY_SIZE) ? IL_TRAFFIC_ENTRY_SIZE : length; - memcpy((il->tx_traffic + - (il->tx_traffic_idx * IL_TRAFFIC_ENTRY_SIZE)), header, - len); - il->tx_traffic_idx = - (il->tx_traffic_idx + 1) % IL_TRAFFIC_ENTRIES; - } -} -EXPORT_SYMBOL(il_dbg_log_tx_data_frame); - -void -il_dbg_log_rx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ - __le16 fc; - u16 len; - - if (likely(!(il_debug_level & IL_DL_RX))) - return; - - if (!il->rx_traffic) - return; - - fc = header->frame_control; - if (ieee80211_is_data(fc)) { - len = - (length > - IL_TRAFFIC_ENTRY_SIZE) ? IL_TRAFFIC_ENTRY_SIZE : length; - memcpy((il->rx_traffic + - (il->rx_traffic_idx * IL_TRAFFIC_ENTRY_SIZE)), header, - len); - il->rx_traffic_idx = - (il->rx_traffic_idx + 1) % IL_TRAFFIC_ENTRIES; - } -} -EXPORT_SYMBOL(il_dbg_log_rx_data_frame); - -const char * -il_get_mgmt_string(int cmd) -{ - switch (cmd) { - IL_CMD(MANAGEMENT_ASSOC_REQ); - IL_CMD(MANAGEMENT_ASSOC_RESP); - IL_CMD(MANAGEMENT_REASSOC_REQ); - IL_CMD(MANAGEMENT_REASSOC_RESP); - IL_CMD(MANAGEMENT_PROBE_REQ); - IL_CMD(MANAGEMENT_PROBE_RESP); - IL_CMD(MANAGEMENT_BEACON); - IL_CMD(MANAGEMENT_ATIM); - IL_CMD(MANAGEMENT_DISASSOC); - IL_CMD(MANAGEMENT_AUTH); - IL_CMD(MANAGEMENT_DEAUTH); - IL_CMD(MANAGEMENT_ACTION); - default: - return "UNKNOWN"; - - } -} - -const char * -il_get_ctrl_string(int cmd) -{ - switch (cmd) { - IL_CMD(CONTROL_BACK_REQ); - IL_CMD(CONTROL_BACK); - IL_CMD(CONTROL_PSPOLL); - IL_CMD(CONTROL_RTS); - IL_CMD(CONTROL_CTS); - IL_CMD(CONTROL_ACK); - IL_CMD(CONTROL_CFEND); - IL_CMD(CONTROL_CFENDACK); - default: - return "UNKNOWN"; - - } -} - -void -il_clear_traffic_stats(struct il_priv *il) -{ - memset(&il->tx_stats, 0, sizeof(struct traffic_stats)); - memset(&il->rx_stats, 0, sizeof(struct traffic_stats)); -} - -/* - * if CONFIG_IWLEGACY_DEBUGFS defined, - * il_update_stats function will - * record all the MGMT, CTRL and DATA pkt for both TX and Rx pass - * Use debugFs to display the rx/rx_stats - * if CONFIG_IWLEGACY_DEBUGFS not being defined, then no MGMT and CTRL - * information will be recorded, but DATA pkt still will be recorded - * for the reason of il_led.c need to control the led blinking based on - * number of tx and rx data. - * - */ -void -il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) -{ - struct traffic_stats *stats; - - if (is_tx) - stats = &il->tx_stats; - else - stats = &il->rx_stats; - - if (ieee80211_is_mgmt(fc)) { - switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { - case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): - stats->mgmt[MANAGEMENT_ASSOC_REQ]++; - break; - case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): - stats->mgmt[MANAGEMENT_ASSOC_RESP]++; - break; - case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): - stats->mgmt[MANAGEMENT_REASSOC_REQ]++; - break; - case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): - stats->mgmt[MANAGEMENT_REASSOC_RESP]++; - break; - case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ): - stats->mgmt[MANAGEMENT_PROBE_REQ]++; - break; - case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): - stats->mgmt[MANAGEMENT_PROBE_RESP]++; - break; - case cpu_to_le16(IEEE80211_STYPE_BEACON): - stats->mgmt[MANAGEMENT_BEACON]++; - break; - case cpu_to_le16(IEEE80211_STYPE_ATIM): - stats->mgmt[MANAGEMENT_ATIM]++; - break; - case cpu_to_le16(IEEE80211_STYPE_DISASSOC): - stats->mgmt[MANAGEMENT_DISASSOC]++; - break; - case cpu_to_le16(IEEE80211_STYPE_AUTH): - stats->mgmt[MANAGEMENT_AUTH]++; - break; - case cpu_to_le16(IEEE80211_STYPE_DEAUTH): - stats->mgmt[MANAGEMENT_DEAUTH]++; - break; - case cpu_to_le16(IEEE80211_STYPE_ACTION): - stats->mgmt[MANAGEMENT_ACTION]++; - break; - } - } else if (ieee80211_is_ctl(fc)) { - switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { - case cpu_to_le16(IEEE80211_STYPE_BACK_REQ): - stats->ctrl[CONTROL_BACK_REQ]++; - break; - case cpu_to_le16(IEEE80211_STYPE_BACK): - stats->ctrl[CONTROL_BACK]++; - break; - case cpu_to_le16(IEEE80211_STYPE_PSPOLL): - stats->ctrl[CONTROL_PSPOLL]++; - break; - case cpu_to_le16(IEEE80211_STYPE_RTS): - stats->ctrl[CONTROL_RTS]++; - break; - case cpu_to_le16(IEEE80211_STYPE_CTS): - stats->ctrl[CONTROL_CTS]++; - break; - case cpu_to_le16(IEEE80211_STYPE_ACK): - stats->ctrl[CONTROL_ACK]++; - break; - case cpu_to_le16(IEEE80211_STYPE_CFEND): - stats->ctrl[CONTROL_CFEND]++; - break; - case cpu_to_le16(IEEE80211_STYPE_CFENDACK): - stats->ctrl[CONTROL_CFENDACK]++; - break; - } - } else { - /* data */ - stats->data_cnt++; - stats->data_bytes += len; - } -} -EXPORT_SYMBOL(il_update_stats); -#endif +EXPORT_SYMBOL(il_free_txq_mem); int il_force_reset(struct il_priv *il, bool external) @@ -4886,10 +4657,14 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct il_priv *il = hw->priv; int err; - if (newp2p) - return -EOPNOTSUPP; - mutex_lock(&il->mutex); + D_MAC80211("enter: type %d, addr %pM newtype %d newp2p %d\n", + vif->type, vif->addr, newtype, newp2p); + + if (newp2p) { + err = -EOPNOTSUPP; + goto out; + } if (!il->vif || !il_is_ready_rf(il)) { /* @@ -4916,7 +4691,9 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, err = 0; out: + D_MAC80211("leave err %d\n", err); mutex_unlock(&il->mutex); + return err; } EXPORT_SYMBOL(il_mac_change_interface); @@ -5113,9 +4890,9 @@ il_pci_resume(struct device *device) hw_rfkill = true; if (hw_rfkill) - set_bit(S_RF_KILL_HW, &il->status); + set_bit(S_RFKILL, &il->status); else - clear_bit(S_RF_KILL_HW, &il->status); + clear_bit(S_RFKILL, &il->status); wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rfkill); @@ -5174,12 +4951,8 @@ il_mac_config(struct ieee80211_hw *hw, u32 changed) int scan_active = 0; bool ht_changed = false; - if (WARN_ON(!il->ops->legacy)) - return -EOPNOTSUPP; - mutex_lock(&il->mutex); - - D_MAC80211("enter to channel %d changed 0x%X\n", channel->hw_value, + D_MAC80211("enter: channel %d changed 0x%X\n", channel->hw_value, changed); if (unlikely(test_bit(S_SCANNING, &il->status))) { @@ -5199,8 +4972,8 @@ il_mac_config(struct ieee80211_hw *hw, u32 changed) * set up the SM PS mode to OFF if an HT channel is * configured. */ - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); } /* during scanning mac80211 will delay channel setting until @@ -5269,8 +5042,8 @@ il_mac_config(struct ieee80211_hw *hw, u32 changed) spin_unlock_irqrestore(&il->lock, flags); - if (il->ops->legacy->update_bcast_stations) - ret = il->ops->legacy->update_bcast_stations(il); + if (il->ops->update_bcast_stations) + ret = il->ops->update_bcast_stations(il); set_ch_out: /* The list of supported rates and rate mask can be different @@ -5308,8 +5081,9 @@ set_ch_out: il_update_qos(il); out: - D_MAC80211("leave\n"); + D_MAC80211("leave ret %d\n", ret); mutex_unlock(&il->mutex); + return ret; } EXPORT_SYMBOL(il_mac_config); @@ -5320,24 +5094,17 @@ il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) struct il_priv *il = hw->priv; unsigned long flags; - if (WARN_ON(!il->ops->legacy)) - return; - mutex_lock(&il->mutex); - D_MAC80211("enter\n"); + D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr); spin_lock_irqsave(&il->lock, flags); - memset(&il->current_ht_config, 0, sizeof(struct il_ht_config)); - spin_unlock_irqrestore(&il->lock, flags); - spin_lock_irqsave(&il->lock, flags); + memset(&il->current_ht_config, 0, sizeof(struct il_ht_config)); /* new association get rid of ibss beacon skb */ if (il->beacon_skb) dev_kfree_skb(il->beacon_skb); - il->beacon_skb = NULL; - il->timestamp = 0; spin_unlock_irqrestore(&il->lock, flags); @@ -5349,17 +5116,14 @@ il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) return; } - /* we are restarting association process - * clear RXON_FILTER_ASSOC_MSK bit - */ + /* we are restarting association process */ il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; il_commit_rxon(il); il_set_rate(il); - mutex_unlock(&il->mutex); - D_MAC80211("leave\n"); + mutex_unlock(&il->mutex); } EXPORT_SYMBOL(il_mac_reset_tsf); @@ -5475,7 +5239,7 @@ il_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif) return; } - il->ops->legacy->post_associate(il); + il->ops->post_associate(il); } void @@ -5485,14 +5249,11 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct il_priv *il = hw->priv; int ret; - if (WARN_ON(!il->ops->legacy)) - return; - - D_MAC80211("changes = 0x%X\n", changes); - mutex_lock(&il->mutex); + D_MAC80211("enter: changes 0x%x\n", changes); if (!il_is_alive(il)) { + D_MAC80211("leave - not alive\n"); mutex_unlock(&il->mutex); return; } @@ -5523,8 +5284,7 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, * below/in post_associate will fail. */ if (il_scan_cancel_timeout(il, 100)) { - IL_WARN("Aborted scan still in progress after 100ms\n"); - D_MAC80211("leaving - scan abort failed.\n"); + D_MAC80211("leave - scan abort failed\n"); mutex_unlock(&il->mutex); return; } @@ -5536,10 +5296,8 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, /* currently needed in a few places */ memcpy(il->bssid, bss_conf->bssid, ETH_ALEN); - } else { + } else il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - } - } /* @@ -5590,8 +5348,8 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (changes & BSS_CHANGED_HT) { il_ht_conf(il, vif); - if (il->ops->hcmd->set_rxon_chain) - il->ops->hcmd->set_rxon_chain(il); + if (il->ops->set_rxon_chain) + il->ops->set_rxon_chain(il); } if (changes & BSS_CHANGED_ASSOC) { @@ -5600,7 +5358,7 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, il->timestamp = bss_conf->timestamp; if (!il_is_rfkill(il)) - il->ops->legacy->post_associate(il); + il->ops->post_associate(il); } else il_set_no_assoc(il, vif); } @@ -5620,24 +5378,22 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, memcpy(il->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); memcpy(il->bssid, bss_conf->bssid, ETH_ALEN); - il->ops->legacy->config_ap(il); + il->ops->config_ap(il); } else il_set_no_assoc(il, vif); } if (changes & BSS_CHANGED_IBSS) { - ret = - il->ops->legacy->manage_ibss_station(il, vif, - bss_conf->ibss_joined); + ret = il->ops->manage_ibss_station(il, vif, + bss_conf->ibss_joined); if (ret) IL_ERR("failed to %s IBSS station %pM\n", bss_conf->ibss_joined ? "add" : "remove", bss_conf->bssid); } - mutex_unlock(&il->mutex); - D_MAC80211("leave\n"); + mutex_unlock(&il->mutex); } EXPORT_SYMBOL(il_mac_bss_info_changed); diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index 708095644f1..5f5017767b9 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -425,12 +425,6 @@ struct il_eeprom_calib_info { #define EEPROM_REGULATORY_BAND_NO_HT40 (0) -struct il_eeprom_ops { - const u32 regulatory_bands[7]; - int (*acquire_semaphore) (struct il_priv *il); - void (*release_semaphore) (struct il_priv *il); -}; - int il_eeprom_init(struct il_priv *il); void il_eeprom_free(struct il_priv *il); const u8 *il_eeprom_query_addr(const struct il_priv *il, size_t offset); @@ -962,26 +956,6 @@ enum il4965_chain_noise_state { IL_CHAIN_NOISE_DONE, }; -enum il4965_calib_enabled_state { - IL_CALIB_DISABLED = 0, /* must be 0 */ - IL_CALIB_ENABLED = 1, -}; - -/* - * enum il_calib - * defines the order in which results of initial calibrations - * should be sent to the runtime uCode - */ -enum il_calib { - IL_CALIB_MAX, -}; - -/* Opaque calibration results */ -struct il_calib_result { - void *buf; - size_t buf_len; -}; - enum ucode_type { UCODE_NONE = 0, UCODE_INIT, @@ -1156,13 +1130,15 @@ struct il_power_mgr { }; struct il_priv { - - /* ieee device used by generic ieee processing code */ struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; + struct il_cfg *cfg; const struct il_ops *ops; +#ifdef CONFIG_IWLEGACY_DEBUGFS + const struct il_debugfs_ops *debugfs_ops; +#endif /* temporary frame storage list */ struct list_head free_frames; @@ -1199,9 +1175,6 @@ struct il_priv { s32 temperature; /* degrees Kelvin */ s32 last_temperature; - /* init calibration results */ - struct il_calib_result calib_results[IL_CALIB_MAX]; - /* Scan related variables */ unsigned long scan_start; unsigned long scan_start_tsf; @@ -1557,24 +1530,6 @@ il_free_pages(struct il_priv *il, unsigned long page) #define IL_RX_BUF_SIZE_4K (4 * 1024) #define IL_RX_BUF_SIZE_8K (8 * 1024) -struct il_hcmd_ops { - int (*rxon_assoc) (struct il_priv *il); - int (*commit_rxon) (struct il_priv *il); - void (*set_rxon_chain) (struct il_priv *il); -}; - -struct il_hcmd_utils_ops { - u16(*get_hcmd_size) (u8 cmd_id, u16 len); - u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); - int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); - void (*post_scan) (struct il_priv *il); -}; - -struct il_apm_ops { - int (*init) (struct il_priv *il); - void (*config) (struct il_priv *il); -}; - #ifdef CONFIG_IWLEGACY_DEBUGFS struct il_debugfs_ops { ssize_t(*rx_stats_read) (struct file *file, char __user *user_buf, @@ -1587,11 +1542,7 @@ struct il_debugfs_ops { }; #endif -struct il_temp_ops { - void (*temperature) (struct il_priv *il); -}; - -struct il_lib_ops { +struct il_ops { /* Handling TX */ void (*txq_update_byte_cnt_tbl) (struct il_priv *il, struct il_tx_queue *txq, @@ -1601,8 +1552,6 @@ struct il_lib_ops { u16 len, u8 reset, u8 pad); void (*txq_free_tfd) (struct il_priv *il, struct il_tx_queue *txq); int (*txq_init) (struct il_priv *il, struct il_tx_queue *txq); - /* setup Rx handler */ - void (*handler_setup) (struct il_priv *il); /* alive notification after init uCode load */ void (*init_alive_start) (struct il_priv *il); /* check validity of rtc data address */ @@ -1615,44 +1564,33 @@ struct il_lib_ops { int (*set_channel_switch) (struct il_priv *il, struct ieee80211_channel_switch *ch_switch); /* power management */ - struct il_apm_ops apm_ops; + int (*apm_init) (struct il_priv *il); - /* power */ + /* tx power */ int (*send_tx_power) (struct il_priv *il); void (*update_chain_flags) (struct il_priv *il); /* eeprom operations */ - struct il_eeprom_ops eeprom_ops; - - /* temperature */ - struct il_temp_ops temp_ops; - -#ifdef CONFIG_IWLEGACY_DEBUGFS - struct il_debugfs_ops debugfs_ops; -#endif + int (*eeprom_acquire_semaphore) (struct il_priv *il); + void (*eeprom_release_semaphore) (struct il_priv *il); -}; + int (*rxon_assoc) (struct il_priv *il); + int (*commit_rxon) (struct il_priv *il); + void (*set_rxon_chain) (struct il_priv *il); -struct il_led_ops { - int (*cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); -}; + u16(*get_hcmd_size) (u8 cmd_id, u16 len); + u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); -struct il_legacy_ops { + int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); + void (*post_scan) (struct il_priv *il); void (*post_associate) (struct il_priv *il); void (*config_ap) (struct il_priv *il); /* station management */ int (*update_bcast_stations) (struct il_priv *il); int (*manage_ibss_station) (struct il_priv *il, struct ieee80211_vif *vif, bool add); -}; -struct il_ops { - const struct il_lib_ops *lib; - const struct il_hcmd_ops *hcmd; - const struct il_hcmd_utils_ops *utils; - const struct il_led_ops *led; - const struct il_nic_ops *nic; - const struct il_legacy_ops *legacy; + int (*send_led_cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); }; struct il_mod_params { @@ -1665,22 +1603,6 @@ struct il_mod_params { int restart_fw; /* def: 1 = restart firmware */ }; -/* - * @led_compensation: compensate on the led on/off time per HW according - * to the deviation to achieve the desired led frequency. - * The detail algorithm is described in common.c - * @chain_noise_num_beacons: number of beacons used to compute chain noise - * @wd_timeout: TX queues watchdog timeout - * @temperature_kelvin: temperature report by uCode in kelvin - * @ucode_tracing: support ucode continuous tracing - * @sensitivity_calib_by_driver: driver has the capability to perform - * sensitivity calibration operation - * @chain_noise_calib_by_driver: driver has the capability to perform - * chain noise calibration operation - */ -struct il_base_params { -}; - #define IL_LED_SOLID 11 #define IL_DEF_LED_INTRVL cpu_to_le32(1000) @@ -1769,6 +1691,8 @@ struct il_cfg { const bool ucode_tracing; const bool sensitivity_calib_by_driver; const bool chain_noise_calib_by_driver; + + const u32 regulatory_bands[7]; }; /*************************** @@ -1800,60 +1724,24 @@ void il_mac_remove_interface(struct ieee80211_hw *hw, int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p); int il_alloc_txq_mem(struct il_priv *il); -void il_txq_mem(struct il_priv *il); +void il_free_txq_mem(struct il_priv *il); #ifdef CONFIG_IWLEGACY_DEBUGFS -int il_alloc_traffic_mem(struct il_priv *il); -void il_free_traffic_mem(struct il_priv *il); -void il_reset_traffic_log(struct il_priv *il); -void il_dbg_log_tx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header); -void il_dbg_log_rx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header); -const char *il_get_mgmt_string(int cmd); -const char *il_get_ctrl_string(int cmd); -void il_clear_traffic_stats(struct il_priv *il); -void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); +extern void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); #else -static inline int -il_alloc_traffic_mem(struct il_priv *il) -{ - return 0; -} - -static inline void -il_free_traffic_mem(struct il_priv *il) -{ -} - -static inline void -il_reset_traffic_log(struct il_priv *il) -{ -} - -static inline void -il_dbg_log_tx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ -} - -static inline void -il_dbg_log_rx_data_frame(struct il_priv *il, u16 length, - struct ieee80211_hdr *header) -{ -} - static inline void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) { } #endif + /***************************************************** - * RX handlers. - * **************************************************/ + * Handlers + ***************************************************/ void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb); void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb); +void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); /***************************************************** * RX @@ -1864,25 +1752,20 @@ int il_rx_queue_alloc(struct il_priv *il); void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q); int il_rx_queue_space(const struct il_rx_queue *q); void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb); -/* Handlers */ + void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb); void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt); void il_chswitch_done(struct il_priv *il, bool is_success); -void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); - -/* TX helpers */ /***************************************************** * TX ******************************************************/ -void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); -int il_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq, int slots_num, - u32 txq_id); -void il_tx_queue_reset(struct il_priv *il, struct il_tx_queue *txq, - int slots_num, u32 txq_id); -void il_tx_queue_unmap(struct il_priv *il, int txq_id); -void il_tx_queue_free(struct il_priv *il, int txq_id); -void il_setup_watchdog(struct il_priv *il); +extern void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); +extern int il_tx_queue_init(struct il_priv *il, u32 txq_id); +extern void il_tx_queue_reset(struct il_priv *il, u32 txq_id); +extern void il_tx_queue_unmap(struct il_priv *il, int txq_id); +extern void il_tx_queue_free(struct il_priv *il, int txq_id); +extern void il_setup_watchdog(struct il_priv *il); /***************************************************** * TX power ****************************************************/ @@ -2000,7 +1883,7 @@ void il_free_geos(struct il_priv *il); #define S_HCMD_ACTIVE 0 /* host command in progress */ /* 1 is unused (used to be S_HCMD_SYNC_ACTIVE) */ #define S_INT_ENABLED 2 -#define S_RF_KILL_HW 3 +#define S_RFKILL 3 #define S_CT_KILL 4 #define S_INIT 5 #define S_ALIVE 6 @@ -2039,15 +1922,9 @@ il_is_init(struct il_priv *il) } static inline int -il_is_rfkill_hw(struct il_priv *il) -{ - return test_bit(S_RF_KILL_HW, &il->status); -} - -static inline int il_is_rfkill(struct il_priv *il) { - return il_is_rfkill_hw(il); + return test_bit(S_RFKILL, &il->status); } static inline int @@ -2068,7 +1945,9 @@ il_is_ready_rf(struct il_priv *il) extern void il_send_bt_config(struct il_priv *il); extern int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); -void il_apm_stop(struct il_priv *il); +extern void il_apm_stop(struct il_priv *il); +extern void _il_apm_stop(struct il_priv *il); + int il_apm_init(struct il_priv *il); int il_send_rxon_timing(struct il_priv *il); @@ -2076,13 +1955,13 @@ int il_send_rxon_timing(struct il_priv *il); static inline int il_send_rxon_assoc(struct il_priv *il) { - return il->ops->hcmd->rxon_assoc(il); + return il->ops->rxon_assoc(il); } static inline int il_commit_rxon(struct il_priv *il) { - return il->ops->hcmd->commit_rxon(il); + return il->ops->commit_rxon(il); } static inline const struct ieee80211_supported_band * @@ -2103,7 +1982,7 @@ irqreturn_t il_isr(int irq, void *data); extern void il_set_bit(struct il_priv *p, u32 r, u32 m); extern void il_clear_bit(struct il_priv *p, u32 r, u32 m); -extern int _il_grab_nic_access(struct il_priv *il); +extern bool _il_grab_nic_access(struct il_priv *il); extern int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); extern int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); extern u32 il_rd_prph(struct il_priv *il, u32 reg); @@ -2114,20 +1993,20 @@ extern void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); static inline void _il_write8(struct il_priv *il, u32 ofs, u8 val) { - iowrite8(val, il->hw_base + ofs); + writeb(val, il->hw_base + ofs); } #define il_write8(il, ofs, val) _il_write8(il, ofs, val) static inline void _il_wr(struct il_priv *il, u32 ofs, u32 val) { - iowrite32(val, il->hw_base + ofs); + writel(val, il->hw_base + ofs); } static inline u32 _il_rd(struct il_priv *il, u32 ofs) { - return ioread32(il->hw_base + ofs); + return readl(il->hw_base + ofs); } static inline void @@ -2146,6 +2025,13 @@ static inline void _il_release_nic_access(struct il_priv *il) { _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + /* + * In above we are reading CSR_GP_CNTRL register, what will flush any + * previous writes, but still want write, which clear MAC_ACCESS_REQ + * bit, be performed on PCI bus before any other writes scheduled on + * different CPUs (after we drop reg_lock). + */ + mmiowb(); } static inline u32 @@ -2168,7 +2054,7 @@ il_wr(struct il_priv *il, u32 reg, u32 value) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - if (!_il_grab_nic_access(il)) { + if (likely(_il_grab_nic_access(il))) { _il_wr(il, reg, value); _il_release_nic_access(il); } @@ -2179,7 +2065,6 @@ static inline u32 _il_rd_prph(struct il_priv *il, u32 reg) { _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); - rmb(); return _il_rd(il, HBUS_TARG_PRPH_RDAT); } @@ -2187,7 +2072,6 @@ static inline void _il_wr_prph(struct il_priv *il, u32 addr, u32 val) { _il_wr(il, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); - wmb(); _il_wr(il, HBUS_TARG_PRPH_WDAT, val); } @@ -2197,9 +2081,10 @@ il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2209,9 +2094,10 @@ il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask) unsigned long reg_flags; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2222,10 +2108,11 @@ il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask) u32 val; spin_lock_irqsave(&il->reg_lock, reg_flags); - _il_grab_nic_access(il); - val = _il_rd_prph(il, reg); - _il_wr_prph(il, reg, (val & ~mask)); - _il_release_nic_access(il); + if (likely(_il_grab_nic_access(il))) { + val = _il_rd_prph(il, reg); + _il_wr_prph(il, reg, (val & ~mask)); + _il_release_nic_access(il); + } spin_unlock_irqrestore(&il->reg_lock, reg_flags); } @@ -2487,10 +2374,10 @@ struct il_rb_status { __le32 __unused; /* 3945 only */ } __packed; -#define TFD_QUEUE_SIZE_MAX (256) -#define TFD_QUEUE_SIZE_BC_DUP (64) +#define TFD_QUEUE_SIZE_MAX 256 +#define TFD_QUEUE_SIZE_BC_DUP 64 #define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP) -#define IL_TX_DMA_MASK DMA_BIT_MASK(36) +#define IL_TX_DMA_MASK DMA_BIT_MASK(36) #define IL_NUM_OF_TBS 20 static inline u8 diff --git a/drivers/net/wireless/iwlegacy/debug.c b/drivers/net/wireless/iwlegacy/debug.c index bb7c95607a6..229849150aa 100644 --- a/drivers/net/wireless/iwlegacy/debug.c +++ b/drivers/net/wireless/iwlegacy/debug.c @@ -31,6 +31,101 @@ #include "common.h" +void +il_clear_traffic_stats(struct il_priv *il) +{ + memset(&il->tx_stats, 0, sizeof(struct traffic_stats)); + memset(&il->rx_stats, 0, sizeof(struct traffic_stats)); +} + +/* + * il_update_stats function record all the MGMT, CTRL and DATA pkt for + * both TX and Rx . Use debugfs to display the rx/rx_stats + */ +void +il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) +{ + struct traffic_stats *stats; + + if (is_tx) + stats = &il->tx_stats; + else + stats = &il->rx_stats; + + if (ieee80211_is_mgmt(fc)) { + switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { + case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ): + stats->mgmt[MANAGEMENT_ASSOC_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP): + stats->mgmt[MANAGEMENT_ASSOC_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ): + stats->mgmt[MANAGEMENT_REASSOC_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP): + stats->mgmt[MANAGEMENT_REASSOC_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ): + stats->mgmt[MANAGEMENT_PROBE_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP): + stats->mgmt[MANAGEMENT_PROBE_RESP]++; + break; + case cpu_to_le16(IEEE80211_STYPE_BEACON): + stats->mgmt[MANAGEMENT_BEACON]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ATIM): + stats->mgmt[MANAGEMENT_ATIM]++; + break; + case cpu_to_le16(IEEE80211_STYPE_DISASSOC): + stats->mgmt[MANAGEMENT_DISASSOC]++; + break; + case cpu_to_le16(IEEE80211_STYPE_AUTH): + stats->mgmt[MANAGEMENT_AUTH]++; + break; + case cpu_to_le16(IEEE80211_STYPE_DEAUTH): + stats->mgmt[MANAGEMENT_DEAUTH]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ACTION): + stats->mgmt[MANAGEMENT_ACTION]++; + break; + } + } else if (ieee80211_is_ctl(fc)) { + switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) { + case cpu_to_le16(IEEE80211_STYPE_BACK_REQ): + stats->ctrl[CONTROL_BACK_REQ]++; + break; + case cpu_to_le16(IEEE80211_STYPE_BACK): + stats->ctrl[CONTROL_BACK]++; + break; + case cpu_to_le16(IEEE80211_STYPE_PSPOLL): + stats->ctrl[CONTROL_PSPOLL]++; + break; + case cpu_to_le16(IEEE80211_STYPE_RTS): + stats->ctrl[CONTROL_RTS]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CTS): + stats->ctrl[CONTROL_CTS]++; + break; + case cpu_to_le16(IEEE80211_STYPE_ACK): + stats->ctrl[CONTROL_ACK]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CFEND): + stats->ctrl[CONTROL_CFEND]++; + break; + case cpu_to_le16(IEEE80211_STYPE_CFENDACK): + stats->ctrl[CONTROL_CFENDACK]++; + break; + } + } else { + /* data */ + stats->data_cnt++; + stats->data_bytes += len; + } +} +EXPORT_SYMBOL(il_update_stats); + /* create and remove of files */ #define DEBUGFS_ADD_FILE(name, parent, mode) do { \ if (!debugfs_create_file(#name, mode, parent, il, \ @@ -98,6 +193,46 @@ static const struct file_operations il_dbgfs_##name##_ops = { \ .llseek = generic_file_llseek, \ }; +static const char * +il_get_mgmt_string(int cmd) +{ + switch (cmd) { + IL_CMD(MANAGEMENT_ASSOC_REQ); + IL_CMD(MANAGEMENT_ASSOC_RESP); + IL_CMD(MANAGEMENT_REASSOC_REQ); + IL_CMD(MANAGEMENT_REASSOC_RESP); + IL_CMD(MANAGEMENT_PROBE_REQ); + IL_CMD(MANAGEMENT_PROBE_RESP); + IL_CMD(MANAGEMENT_BEACON); + IL_CMD(MANAGEMENT_ATIM); + IL_CMD(MANAGEMENT_DISASSOC); + IL_CMD(MANAGEMENT_AUTH); + IL_CMD(MANAGEMENT_DEAUTH); + IL_CMD(MANAGEMENT_ACTION); + default: + return "UNKNOWN"; + + } +} + +static const char * +il_get_ctrl_string(int cmd) +{ + switch (cmd) { + IL_CMD(CONTROL_BACK_REQ); + IL_CMD(CONTROL_BACK); + IL_CMD(CONTROL_PSPOLL); + IL_CMD(CONTROL_RTS); + IL_CMD(CONTROL_CTS); + IL_CMD(CONTROL_ACK); + IL_CMD(CONTROL_CFEND); + IL_CMD(CONTROL_CFENDACK); + default: + return "UNKNOWN"; + + } +} + static ssize_t il_dbgfs_tx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -495,8 +630,8 @@ il_dbgfs_status_read(struct file *file, char __user *user_buf, size_t count, scnprintf(buf + pos, bufsz - pos, "S_INT_ENABLED:\t %d\n", test_bit(S_INT_ENABLED, &il->status)); pos += - scnprintf(buf + pos, bufsz - pos, "S_RF_KILL_HW:\t %d\n", - test_bit(S_RF_KILL_HW, &il->status)); + scnprintf(buf + pos, bufsz - pos, "S_RFKILL:\t %d\n", + test_bit(S_RFKILL, &il->status)); pos += scnprintf(buf + pos, bufsz - pos, "S_CT_KILL:\t\t %d\n", test_bit(S_CT_KILL, &il->status)); @@ -715,112 +850,6 @@ DEBUGFS_READ_FILE_OPS(qos); DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); static ssize_t -il_dbgfs_traffic_log_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct il_priv *il = file->private_data; - int pos = 0, ofs = 0; - int cnt = 0, entry; - struct il_tx_queue *txq; - struct il_queue *q; - struct il_rx_queue *rxq = &il->rxq; - char *buf; - int bufsz = - ((IL_TRAFFIC_ENTRIES * IL_TRAFFIC_ENTRY_SIZE * 64) * 2) + - (il->cfg->num_of_queues * 32 * 8) + 400; - const u8 *ptr; - ssize_t ret; - - if (!il->txq) { - IL_ERR("txq not ready\n"); - return -EAGAIN; - } - buf = kzalloc(bufsz, GFP_KERNEL); - if (!buf) { - IL_ERR("Can not allocate buffer\n"); - return -ENOMEM; - } - pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n"); - for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { - txq = &il->txq[cnt]; - q = &txq->q; - pos += - scnprintf(buf + pos, bufsz - pos, - "q[%d]: read_ptr: %u, write_ptr: %u\n", cnt, - q->read_ptr, q->write_ptr); - } - if (il->tx_traffic && (il_debug_level & IL_DL_TX)) { - ptr = il->tx_traffic; - pos += - scnprintf(buf + pos, bufsz - pos, "Tx Traffic idx: %u\n", - il->tx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += - scnprintf(buf + pos, bufsz - pos, "0x%.4x ", - ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n"); - pos += - scnprintf(buf + pos, bufsz - pos, "read: %u, write: %u\n", - rxq->read, rxq->write); - - if (il->rx_traffic && (il_debug_level & IL_DL_RX)) { - ptr = il->rx_traffic; - pos += - scnprintf(buf + pos, bufsz - pos, "Rx Traffic idx: %u\n", - il->rx_traffic_idx); - for (cnt = 0, ofs = 0; cnt < IL_TRAFFIC_ENTRIES; cnt++) { - for (entry = 0; entry < IL_TRAFFIC_ENTRY_SIZE / 16; - entry++, ofs += 16) { - pos += - scnprintf(buf + pos, bufsz - pos, "0x%.4x ", - ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 2, - buf + pos, bufsz - pos, 0); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; - } - } - } - - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - return ret; -} - -static ssize_t -il_dbgfs_traffic_log_write(struct file *file, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct il_priv *il = file->private_data; - char buf[8]; - int buf_size; - int traffic_log; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - if (sscanf(buf, "%d", &traffic_log) != 1) - return -EFAULT; - if (traffic_log == 0) - il_reset_traffic_log(il); - - return count; -} - -static ssize_t il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -901,7 +930,8 @@ il_dbgfs_ucode_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; - return il->ops->lib->debugfs_ops.rx_stats_read(file, user_buf, count, ppos); + + return il->debugfs_ops->rx_stats_read(file, user_buf, count, ppos); } static ssize_t @@ -909,7 +939,8 @@ il_dbgfs_ucode_tx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; - return il->ops->lib->debugfs_ops.tx_stats_read(file, user_buf, count, ppos); + + return il->debugfs_ops->tx_stats_read(file, user_buf, count, ppos); } static ssize_t @@ -917,7 +948,8 @@ il_dbgfs_ucode_general_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct il_priv *il = file->private_data; - return il->ops->lib->debugfs_ops.general_stats_read(file, user_buf, count, ppos); + + return il->debugfs_ops->general_stats_read(file, user_buf, count, ppos); } static ssize_t @@ -1175,8 +1207,8 @@ il_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count, int pos = 0; ssize_t ret = -EFAULT; - if (il->ops->lib->dump_fh) { - ret = pos = il->ops->lib->dump_fh(il, &buf, true); + if (il->ops->dump_fh) { + ret = pos = il->ops->dump_fh(il, &buf, true); if (buf) { ret = simple_read_from_buffer(user_buf, count, ppos, buf, @@ -1300,7 +1332,6 @@ il_dbgfs_wd_timeout_write(struct file *file, const char __user *user_buf, DEBUGFS_READ_FILE_OPS(rx_stats); DEBUGFS_READ_FILE_OPS(tx_stats); -DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); DEBUGFS_READ_FILE_OPS(rx_queue); DEBUGFS_READ_FILE_OPS(tx_queue); DEBUGFS_READ_FILE_OPS(ucode_rx_stats); @@ -1354,7 +1385,6 @@ il_dbgfs_register(struct il_priv *il, const char *name) DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_stats, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(tx_stats, dir_debug, S_IRUSR); - DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR); |