diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlegacy/3945-mac.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlegacy/3945-mac.c | 77 |
1 files changed, 23 insertions, 54 deletions
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index bd4e7d752958..104748fcdc33 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -1127,44 +1127,6 @@ il3945_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq) rxq->rb_stts = NULL; } -/* Convert linear signal-to-noise ratio into dB */ -static u8 ratio2dB[100] = { -/* 0 1 2 3 4 5 6 7 8 9 */ - 0, 0, 6, 10, 12, 14, 16, 17, 18, 19, /* 00 - 09 */ - 20, 21, 22, 22, 23, 23, 24, 25, 26, 26, /* 10 - 19 */ - 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, /* 20 - 29 */ - 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, /* 30 - 39 */ - 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, /* 40 - 49 */ - 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, /* 50 - 59 */ - 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, /* 60 - 69 */ - 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, /* 70 - 79 */ - 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, /* 80 - 89 */ - 39, 39, 39, 39, 39, 40, 40, 40, 40, 40 /* 90 - 99 */ -}; - -/* Calculates a relative dB value from a ratio of linear - * (i.e. not dB) signal levels. - * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int -il3945_calc_db_from_ratio(int sig_ratio) -{ - /* 1000:1 or higher just report as 60 dB */ - if (sig_ratio >= 1000) - return 60; - - /* 100:1 or higher, divide by 10 and use table, - * add 20 dB to make up for divide by 10 */ - if (sig_ratio >= 100) - return 20 + (int)ratio2dB[sig_ratio / 10]; - - /* We shouldn't see this */ - if (sig_ratio < 1) - return 0; - - /* Use table for ratios 1:1 - 99:1 */ - return (int)ratio2dB[sig_ratio]; -} - /* * il3945_rx_handle - Main entry function for receiving responses from uCode * @@ -1202,8 +1164,6 @@ il3945_rx_handle(struct il_priv *il) D_RX("r = %d, i = %d\n", r, i); while (i != r) { - int len; - rxb = rxq->queue[i]; /* If an RXB doesn't have a Rx queue slot associated with it, @@ -1217,10 +1177,6 @@ il3945_rx_handle(struct il_priv *il) PAGE_SIZE << il->hw_params.rx_page_order, DMA_FROM_DEVICE); pkt = rxb_addr(rxb); - - len = le32_to_cpu(pkt->len_n_flags) & IL_RX_FRAME_SIZE_MSK; - len += sizeof(u32); /* account for status word */ - reclaim = il_need_reclaim(il, pkt); /* Based on type of command response or notification, @@ -2232,7 +2188,7 @@ __il3945_down(struct il_priv *il) /* Stop TX queues watchdog. We need to have S_EXIT_PENDING bit set * to prevent rearm timer */ - del_timer_sync(&il->watchdog); + timer_delete_sync(&il->watchdog); /* Station information will now be cleared in device */ il_clear_ucode_stations(il); @@ -2701,7 +2657,7 @@ il3945_post_associate(struct il_priv *il) if (!il->vif || !il->is_open) return; - D_ASSOC("Associated as %d to: %pM\n", il->vif->bss_conf.aid, + D_ASSOC("Associated as %d to: %pM\n", il->vif->cfg.aid, il->active.bssid_addr); if (test_bit(S_EXIT_PENDING, &il->status)) @@ -2718,9 +2674,9 @@ il3945_post_associate(struct il_priv *il) il->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; - il->staging.assoc_id = cpu_to_le16(il->vif->bss_conf.aid); + il->staging.assoc_id = cpu_to_le16(il->vif->cfg.aid); - D_ASSOC("assoc id %d beacon interval %d\n", il->vif->bss_conf.aid, + D_ASSOC("assoc id %d beacon interval %d\n", il->vif->cfg.aid, il->vif->bss_conf.beacon_int); if (il->vif->bss_conf.use_short_preamble) @@ -2819,7 +2775,7 @@ out_release_irq: } static void -il3945_mac_stop(struct ieee80211_hw *hw) +il3945_mac_stop(struct ieee80211_hw *hw, bool suspend) { struct il_priv *il = hw->priv; @@ -3254,7 +3210,7 @@ il3945_store_measurement(struct device *d, struct device_attribute *attr, if (count) { char *p = buffer; - strlcpy(buffer, buf, sizeof(buffer)); + strscpy(buffer, buf, sizeof(buffer)); channel = simple_strtoul(p, NULL, 0); if (channel) params.channel = channel; @@ -3378,10 +3334,12 @@ static DEVICE_ATTR(dump_errors, 0200, NULL, il3945_dump_error_log); * *****************************************************************************/ -static void +static int il3945_setup_deferred_work(struct il_priv *il) { il->workqueue = create_singlethread_workqueue(DRV_NAME); + if (!il->workqueue) + return -ENOMEM; init_waitqueue_head(&il->wait_command_queue); @@ -3398,6 +3356,8 @@ il3945_setup_deferred_work(struct il_priv *il) timer_setup(&il->watchdog, il_bg_watchdog, 0); tasklet_setup(&il->irq_tasklet, il3945_irq_tasklet); + + return 0; } static void @@ -3434,7 +3394,12 @@ static const struct attribute_group il3945_attribute_group = { }; static struct ieee80211_ops il3945_mac_ops __ro_after_init = { + .add_chanctx = ieee80211_emulate_add_chanctx, + .remove_chanctx = ieee80211_emulate_remove_chanctx, + .change_chanctx = ieee80211_emulate_change_chanctx, + .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, .tx = il3945_mac_tx, + .wake_tx_queue = ieee80211_handle_wake_tx_queue, .start = il3945_mac_start, .stop = il3945_mac_stop, .add_interface = il_mac_add_interface, @@ -3717,7 +3682,10 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } il_set_rxon_channel(il, &il->bands[NL80211_BAND_2GHZ].channels[5]); - il3945_setup_deferred_work(il); + err = il3945_setup_deferred_work(il); + if (err) + goto out_remove_sysfs; + il3945_setup_handlers(il); il_power_initialize(il); @@ -3729,7 +3697,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = il3945_setup_mac(il); if (err) - goto out_remove_sysfs; + goto out_destroy_workqueue; il_dbgfs_register(il, DRV_NAME); @@ -3738,9 +3706,10 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; -out_remove_sysfs: +out_destroy_workqueue: destroy_workqueue(il->workqueue); il->workqueue = NULL; +out_remove_sysfs: sysfs_remove_group(&pdev->dev.kobj, &il3945_attribute_group); out_release_irq: free_irq(il->pci_dev->irq, il); |