| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Solomon Peachy | 2843 | 96.96% | 5 | 45.45% |
| Johannes Berg | 82 | 2.80% | 3 | 27.27% |
| Julia Lawall | 4 | 0.14% | 1 | 9.09% |
| Kees Cook | 2 | 0.07% | 1 | 9.09% |
| Joe Perches | 1 | 0.03% | 1 | 9.09% |
| Total | 2932 | 11 |
/* * mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers * * Copyright (c) 2010, ST-Ericsson * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no> * * Based on: * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> * * Based on: * - the islsm (softmac prism54) driver, which is: * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. * - stlc45xx driver * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/firmware.h> #include <linux/etherdevice.h> #include <linux/vmalloc.h> #include <linux/random.h> #include <linux/sched.h> #include <net/mac80211.h> #include "cw1200.h" #include "txrx.h" #include "hwbus.h" #include "fwio.h" #include "hwio.h" #include "bh.h" #include "sta.h" #include "scan.h" #include "debug.h" #include "pm.h" MODULE_AUTHOR("Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>"); MODULE_DESCRIPTION("Softmac ST-Ericsson CW1200 common code"); MODULE_LICENSE("GPL"); MODULE_ALIAS("cw1200_core"); /* Accept MAC address of the form macaddr=0x00,0x80,0xE1,0x30,0x40,0x50 */ static u8 cw1200_mac_template[ETH_ALEN] = {0x02, 0x80, 0xe1, 0x00, 0x00, 0x00}; module_param_array_named(macaddr, cw1200_mac_template, byte, NULL, 0444); MODULE_PARM_DESC(macaddr, "Override platform_data MAC address"); static char *cw1200_sdd_path; module_param(cw1200_sdd_path, charp, 0644); MODULE_PARM_DESC(cw1200_sdd_path, "Override platform_data SDD file"); static int cw1200_refclk; module_param(cw1200_refclk, int, 0644); MODULE_PARM_DESC(cw1200_refclk, "Override platform_data reference clock"); int cw1200_power_mode = wsm_power_mode_quiescent; module_param(cw1200_power_mode, int, 0644); MODULE_PARM_DESC(cw1200_power_mode, "WSM power mode. 0 == active, 1 == doze, 2 == quiescent (default)"); #define RATETAB_ENT(_rate, _rateid, _flags) \ { \ .bitrate = (_rate), \ .hw_value = (_rateid), \ .flags = (_flags), \ } static struct ieee80211_rate cw1200_rates[] = { RATETAB_ENT(10, 0, 0), RATETAB_ENT(20, 1, 0), RATETAB_ENT(55, 2, 0), RATETAB_ENT(110, 3, 0), RATETAB_ENT(60, 6, 0), RATETAB_ENT(90, 7, 0), RATETAB_ENT(120, 8, 0), RATETAB_ENT(180, 9, 0), RATETAB_ENT(240, 10, 0), RATETAB_ENT(360, 11, 0), RATETAB_ENT(480, 12, 0), RATETAB_ENT(540, 13, 0), }; static struct ieee80211_rate cw1200_mcs_rates[] = { RATETAB_ENT(65, 14, IEEE80211_TX_RC_MCS), RATETAB_ENT(130, 15, IEEE80211_TX_RC_MCS), RATETAB_ENT(195, 16, IEEE80211_TX_RC_MCS), RATETAB_ENT(260, 17, IEEE80211_TX_RC_MCS), RATETAB_ENT(390, 18, IEEE80211_TX_RC_MCS), RATETAB_ENT(520, 19, IEEE80211_TX_RC_MCS), RATETAB_ENT(585, 20, IEEE80211_TX_RC_MCS), RATETAB_ENT(650, 21, IEEE80211_TX_RC_MCS), }; #define cw1200_a_rates (cw1200_rates + 4) #define cw1200_a_rates_size (ARRAY_SIZE(cw1200_rates) - 4) #define cw1200_g_rates (cw1200_rates + 0) #define cw1200_g_rates_size (ARRAY_SIZE(cw1200_rates)) #define cw1200_n_rates (cw1200_mcs_rates) #define cw1200_n_rates_size (ARRAY_SIZE(cw1200_mcs_rates)) #define CHAN2G(_channel, _freq, _flags) { \ .band = NL80211_BAND_2GHZ, \ .center_freq = (_freq), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } #define CHAN5G(_channel, _flags) { \ .band = NL80211_BAND_5GHZ, \ .center_freq = 5000 + (5 * (_channel)), \ .hw_value = (_channel), \ .flags = (_flags), \ .max_antenna_gain = 0, \ .max_power = 30, \ } static struct ieee80211_channel cw1200_2ghz_chantable[] = { CHAN2G(1, 2412, 0), CHAN2G(2, 2417, 0), CHAN2G(3, 2422, 0), CHAN2G(4, 2427, 0), CHAN2G(5, 2432, 0), CHAN2G(6, 2437, 0), CHAN2G(7, 2442, 0), CHAN2G(8, 2447, 0), CHAN2G(9, 2452, 0), CHAN2G(10, 2457, 0), CHAN2G(11, 2462, 0), CHAN2G(12, 2467, 0), CHAN2G(13, 2472, 0), CHAN2G(14, 2484, 0), }; static struct ieee80211_channel cw1200_5ghz_chantable[] = { CHAN5G(34, 0), CHAN5G(36, 0), CHAN5G(38, 0), CHAN5G(40, 0), CHAN5G(42, 0), CHAN5G(44, 0), CHAN5G(46, 0), CHAN5G(48, 0), CHAN5G(52, 0), CHAN5G(56, 0), CHAN5G(60, 0), CHAN5G(64, 0), CHAN5G(100, 0), CHAN5G(104, 0), CHAN5G(108, 0), CHAN5G(112, 0), CHAN5G(116, 0), CHAN5G(120, 0), CHAN5G(124, 0), CHAN5G(128, 0), CHAN5G(132, 0), CHAN5G(136, 0), CHAN5G(140, 0), CHAN5G(149, 0), CHAN5G(153, 0), CHAN5G(157, 0), CHAN5G(161, 0), CHAN5G(165, 0), CHAN5G(184, 0), CHAN5G(188, 0), CHAN5G(192, 0), CHAN5G(196, 0), CHAN5G(200, 0), CHAN5G(204, 0), CHAN5G(208, 0), CHAN5G(212, 0), CHAN5G(216, 0), }; static struct ieee80211_supported_band cw1200_band_2ghz = { .channels = cw1200_2ghz_chantable, .n_channels = ARRAY_SIZE(cw1200_2ghz_chantable), .bitrates = cw1200_g_rates, .n_bitrates = cw1200_g_rates_size, .ht_cap = { .cap = IEEE80211_HT_CAP_GRN_FLD | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | IEEE80211_HT_CAP_MAX_AMSDU, .ht_supported = 1, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, .mcs = { .rx_mask[0] = 0xFF, .rx_highest = __cpu_to_le16(0x41), .tx_params = IEEE80211_HT_MCS_TX_DEFINED, }, }, }; static struct ieee80211_supported_band cw1200_band_5ghz = { .channels = cw1200_5ghz_chantable, .n_channels = ARRAY_SIZE(cw1200_5ghz_chantable), .bitrates = cw1200_a_rates, .n_bitrates = cw1200_a_rates_size, .ht_cap = { .cap = IEEE80211_HT_CAP_GRN_FLD | (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | IEEE80211_HT_CAP_MAX_AMSDU, .ht_supported = 1, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE, .mcs = { .rx_mask[0] = 0xFF, .rx_highest = __cpu_to_le16(0x41), .tx_params = IEEE80211_HT_MCS_TX_DEFINED, }, }, }; static const unsigned long cw1200_ttl[] = { 1 * HZ, /* VO */ 2 * HZ, /* VI */ 5 * HZ, /* BE */ 10 * HZ /* BK */ }; static const struct ieee80211_ops cw1200_ops = { .start = cw1200_start, .stop = cw1200_stop, .add_interface = cw1200_add_interface, .remove_interface = cw1200_remove_interface, .change_interface = cw1200_change_interface, .tx = cw1200_tx, .hw_scan = cw1200_hw_scan, .set_tim = cw1200_set_tim, .sta_notify = cw1200_sta_notify, .sta_add = cw1200_sta_add, .sta_remove = cw1200_sta_remove, .set_key = cw1200_set_key, .set_rts_threshold = cw1200_set_rts_threshold, .config = cw1200_config, .bss_info_changed = cw1200_bss_info_changed, .prepare_multicast = cw1200_prepare_multicast, .configure_filter = cw1200_configure_filter, .conf_tx = cw1200_conf_tx, .get_stats = cw1200_get_stats, .ampdu_action = cw1200_ampdu_action, .flush = cw1200_flush, #ifdef CONFIG_PM .suspend = cw1200_wow_suspend, .resume = cw1200_wow_resume, #endif /* Intentionally not offloaded: */ /*.channel_switch = cw1200_channel_switch, */ /*.remain_on_channel = cw1200_remain_on_channel, */ /*.cancel_remain_on_channel = cw1200_cancel_remain_on_channel, */ }; static int cw1200_ba_rx_tids = -1; static int cw1200_ba_tx_tids = -1; module_param(cw1200_ba_rx_tids, int, 0644); module_param(cw1200_ba_tx_tids, int, 0644); MODULE_PARM_DESC(cw1200_ba_rx_tids, "Block ACK RX TIDs"); MODULE_PARM_DESC(cw1200_ba_tx_tids, "Block ACK TX TIDs"); #ifdef CONFIG_PM static const struct wiphy_wowlan_support cw1200_wowlan_support = { /* Support only for limited wowlan functionalities */ .flags = WIPHY_WOWLAN_ANY | WIPHY_WOWLAN_DISCONNECT, }; #endif static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr, const bool have_5ghz) { int i, band; struct ieee80211_hw *hw; struct cw1200_common *priv; hw = ieee80211_alloc_hw(sizeof(struct cw1200_common), &cw1200_ops); if (!hw) return NULL; priv = hw->priv; priv->hw = hw; priv->hw_type = -1; priv->mode = NL80211_IFTYPE_UNSPECIFIED; priv->rates = cw1200_rates; /* TODO: fetch from FW */ priv->mcs_rates = cw1200_n_rates; if (cw1200_ba_rx_tids != -1) priv->ba_rx_tid_mask = cw1200_ba_rx_tids; else priv->ba_rx_tid_mask = 0xFF; /* Enable RX BLKACK for all TIDs */ if (cw1200_ba_tx_tids != -1) priv->ba_tx_tid_mask = cw1200_ba_tx_tids; else priv->ba_tx_tid_mask = 0xff; /* Enable TX BLKACK for all TIDs */ ieee80211_hw_set(hw, NEED_DTIM_BEFORE_ASSOC); ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW); ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, CONNECTION_MONITOR); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); ieee80211_hw_set(hw, SIGNAL_DBM); ieee80211_hw_set(hw, SUPPORTS_PS); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MESH_POINT) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO); #ifdef CONFIG_PM hw->wiphy->wowlan = &cw1200_wowlan_support; #endif hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD; hw->queues = 4; priv->rts_threshold = -1; hw->max_rates = 8; hw->max_rate_tries = 15; hw->extra_tx_headroom = WSM_TX_EXTRA_HEADROOM + 8; /* TKIP IV */ hw->sta_data_size = sizeof(struct cw1200_sta_priv); hw->wiphy->bands[NL80211_BAND_2GHZ] = &cw1200_band_2ghz; if (have_5ghz) hw->wiphy->bands[NL80211_BAND_5GHZ] = &cw1200_band_5ghz; /* Channel params have to be cleared before registering wiphy again */ for (band = 0; band < NUM_NL80211_BANDS; band++) { struct ieee80211_supported_band *sband = hw->wiphy->bands[band]; if (!sband) continue; for (i = 0; i < sband->n_channels; i++) { sband->channels[i].flags = 0; sband->channels[i].max_antenna_gain = 0; sband->channels[i].max_power = 30; } } hw->wiphy->max_scan_ssids = 2; hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; if (macaddr) SET_IEEE80211_PERM_ADDR(hw, (u8 *)macaddr); else SET_IEEE80211_PERM_ADDR(hw, cw1200_mac_template); /* Fix up mac address if necessary */ if (hw->wiphy->perm_addr[3] == 0 && hw->wiphy->perm_addr[4] == 0 && hw->wiphy->perm_addr[5] == 0) { get_random_bytes(&hw->wiphy->perm_addr[3], 3); } mutex_init(&priv->wsm_cmd_mux); mutex_init(&priv->conf_mutex); priv->workqueue = create_singlethread_workqueue("cw1200_wq"); sema_init(&priv->scan.lock, 1); INIT_WORK(&priv->scan.work, cw1200_scan_work); INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work); INIT_DELAYED_WORK(&priv->scan.timeout, cw1200_scan_timeout); INIT_DELAYED_WORK(&priv->clear_recent_scan_work, cw1200_clear_recent_scan_work); INIT_DELAYED_WORK(&priv->join_timeout, cw1200_join_timeout); INIT_WORK(&priv->unjoin_work, cw1200_unjoin_work); INIT_WORK(&priv->join_complete_work, cw1200_join_complete_work); INIT_WORK(&priv->wep_key_work, cw1200_wep_key_work); INIT_WORK(&priv->tx_policy_upload_work, tx_policy_upload_work); spin_lock_init(&priv->event_queue_lock); INIT_LIST_HEAD(&priv->event_queue); INIT_WORK(&priv->event_handler, cw1200_event_handler); INIT_DELAYED_WORK(&priv->bss_loss_work, cw1200_bss_loss_work); INIT_WORK(&priv->bss_params_work, cw1200_bss_params_work); spin_lock_init(&priv->bss_loss_lock); spin_lock_init(&priv->ps_state_lock); INIT_WORK(&priv->set_cts_work, cw1200_set_cts_work); INIT_WORK(&priv->set_tim_work, cw1200_set_tim_work); INIT_WORK(&priv->multicast_start_work, cw1200_multicast_start_work); INIT_WORK(&priv->multicast_stop_work, cw1200_multicast_stop_work); INIT_WORK(&priv->link_id_work, cw1200_link_id_work); INIT_DELAYED_WORK(&priv->link_id_gc_work, cw1200_link_id_gc_work); INIT_WORK(&priv->linkid_reset_work, cw1200_link_id_reset); INIT_WORK(&priv->update_filtering_work, cw1200_update_filtering_work); INIT_WORK(&priv->set_beacon_wakeup_period_work, cw1200_set_beacon_wakeup_period_work); timer_setup(&priv->mcast_timeout, cw1200_mcast_timeout, 0); if (cw1200_queue_stats_init(&priv->tx_queue_stats, CW1200_LINK_ID_MAX, cw1200_skb_dtor, priv)) { ieee80211_free_hw(hw); return NULL; } for (i = 0; i < 4; ++i) { if (cw1200_queue_init(&priv->tx_queue[i], &priv->tx_queue_stats, i, 16, cw1200_ttl[i])) { for (; i > 0; i--) cw1200_queue_deinit(&priv->tx_queue[i - 1]); cw1200_queue_stats_deinit(&priv->tx_queue_stats); ieee80211_free_hw(hw); return NULL; } } init_waitqueue_head(&priv->channel_switch_done); init_waitqueue_head(&priv->wsm_cmd_wq); init_waitqueue_head(&priv->wsm_startup_done); init_waitqueue_head(&priv->ps_mode_switch_done); wsm_buf_init(&priv->wsm_cmd_buf); spin_lock_init(&priv->wsm_cmd.lock); priv->wsm_cmd.done = 1; tx_policy_init(priv); return hw; } static int cw1200_register_common(struct ieee80211_hw *dev) { struct cw1200_common *priv = dev->priv; int err; #ifdef CONFIG_PM err = cw1200_pm_init(&priv->pm_state, priv); if (err) { pr_err("Cannot init PM. (%d).\n", err); return err; } #endif err = ieee80211_register_hw(dev); if (err) { pr_err("Cannot register device (%d).\n", err); #ifdef CONFIG_PM cw1200_pm_deinit(&priv->pm_state); #endif return err; } cw1200_debug_init(priv); pr_info("Registered as '%s'\n", wiphy_name(dev->wiphy)); return 0; } static void cw1200_free_common(struct ieee80211_hw *dev) { ieee80211_free_hw(dev); } static void cw1200_unregister_common(struct ieee80211_hw *dev) { struct cw1200_common *priv = dev->priv; int i; ieee80211_unregister_hw(dev); del_timer_sync(&priv->mcast_timeout); cw1200_unregister_bh(priv); cw1200_debug_release(priv); mutex_destroy(&priv->conf_mutex); wsm_buf_deinit(&priv->wsm_cmd_buf); destroy_workqueue(priv->workqueue); priv->workqueue = NULL; if (priv->sdd) { release_firmware(priv->sdd); priv->sdd = NULL; } for (i = 0; i < 4; ++i) cw1200_queue_deinit(&priv->tx_queue[i]); cw1200_queue_stats_deinit(&priv->tx_queue_stats); #ifdef CONFIG_PM cw1200_pm_deinit(&priv->pm_state); #endif } /* Clock is in KHz */ u32 cw1200_dpll_from_clk(u16 clk_khz) { switch (clk_khz) { case 0x32C8: /* 13000 KHz */ return 0x1D89D241; case 0x3E80: /* 16000 KHz */ return 0x000001E1; case 0x41A0: /* 16800 KHz */ return 0x124931C1; case 0x4B00: /* 19200 KHz */ return 0x00000191; case 0x5DC0: /* 24000 KHz */ return 0x00000141; case 0x6590: /* 26000 KHz */ return 0x0EC4F121; case 0x8340: /* 33600 KHz */ return 0x092490E1; case 0x9600: /* 38400 KHz */ return 0x100010C1; case 0x9C40: /* 40000 KHz */ return 0x000000C1; case 0xBB80: /* 48000 KHz */ return 0x000000A1; case 0xCB20: /* 52000 KHz */ return 0x07627091; default: pr_err("Unknown Refclk freq (0x%04x), using 26000KHz\n", clk_khz); return 0x0EC4F121; } } int cw1200_core_probe(const struct hwbus_ops *hwbus_ops, struct hwbus_priv *hwbus, struct device *pdev, struct cw1200_common **core, int ref_clk, const u8 *macaddr, const char *sdd_path, bool have_5ghz) { int err = -EINVAL; struct ieee80211_hw *dev; struct cw1200_common *priv; struct wsm_operational_mode mode = { .power_mode = cw1200_power_mode, .disable_more_flag_usage = true, }; dev = cw1200_init_common(macaddr, have_5ghz); if (!dev) goto err; priv = dev->priv; priv->hw_refclk = ref_clk; if (cw1200_refclk) priv->hw_refclk = cw1200_refclk; priv->sdd_path = (char *)sdd_path; if (cw1200_sdd_path) priv->sdd_path = cw1200_sdd_path; priv->hwbus_ops = hwbus_ops; priv->hwbus_priv = hwbus; priv->pdev = pdev; SET_IEEE80211_DEV(priv->hw, pdev); /* Pass struct cw1200_common back up */ *core = priv; err = cw1200_register_bh(priv); if (err) goto err1; err = cw1200_load_firmware(priv); if (err) goto err2; if (wait_event_interruptible_timeout(priv->wsm_startup_done, priv->firmware_ready, 3*HZ) <= 0) { /* TODO: Need to find how to reset device in QUEUE mode properly. */ pr_err("Timeout waiting on device startup\n"); err = -ETIMEDOUT; goto err2; } /* Set low-power mode. */ wsm_set_operational_mode(priv, &mode); /* Enable multi-TX confirmation */ wsm_use_multi_tx_conf(priv, true); err = cw1200_register_common(dev); if (err) goto err2; return err; err2: cw1200_unregister_bh(priv); err1: cw1200_free_common(dev); err: *core = NULL; return err; } EXPORT_SYMBOL_GPL(cw1200_core_probe); void cw1200_core_release(struct cw1200_common *self) { /* Disable device interrupts */ self->hwbus_ops->lock(self->hwbus_priv); __cw1200_irq_enable(self, 0); self->hwbus_ops->unlock(self->hwbus_priv); /* And then clean up */ cw1200_unregister_common(self->hw); cw1200_free_common(self->hw); return; } EXPORT_SYMBOL_GPL(cw1200_core_release);
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