From db8f37fa3355f249e34446eac0d08c1b89c2ed77 Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Wed, 25 Jun 2014 21:14:25 +0100 Subject: [PATCH] staging: vt6656: mac80211 conversion: main_usb add functions and change usb_driver functions Create new functions for the operations of mac80211 vnt_tx_80211 vnt_start vnt_stop vnt_add_interface vnt_remove_interface vnt_config vnt_bss_info_changed vnt_prepare_multicast vnt_configure vnt_set_key vnt_sw_scan_start vnt_sw_scan_complete vnt_get_tsf vnt_set_tsf vnt_reset_tsf Create vnt_init to call device_init_registers to get permanent mac address. This will be linked to vt6656_probe via bScheduleCommand in another patch as firmware needs to be loaded first. Modify vt6656_probe, vt6656_disconnect for mac80211 Change vt6656_suspend and vt6656_resume, nothing needs to be done here let mac80211 handle the suspend. Signed-off-by: Malcolm Priestley Signed-off-by: Greg Kroah-Hartman --- drivers/staging/vt6656/device.h | 3 + drivers/staging/vt6656/main_usb.c | 619 +++++++++++++++++++++++++----- 2 files changed, 522 insertions(+), 100 deletions(-) diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h index 112e0b0308f8..46d7704a1e2b 100644 --- a/drivers/staging/vt6656/device.h +++ b/drivers/staging/vt6656/device.h @@ -396,6 +396,7 @@ typedef struct __device_opt { struct vnt_private { /* mac80211 */ struct ieee80211_hw *hw; + struct ieee80211_vif *vif; /* netdev */ struct usb_device *usb; struct net_device *dev; @@ -410,6 +411,7 @@ struct vnt_private { u8 rx_rate; u32 rx_buf_sz; + int mc_list_count; int multicast_limit; u8 byRxMode; @@ -574,6 +576,7 @@ struct vnt_private { int bRadioOff; /* Power save */ + u16 current_aid; int bEnablePSMode; u16 wListenInterval; int bPWBitOn; diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index ebbb10d8634d..6f66b8629df9 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -572,36 +572,6 @@ static int device_init_registers(struct vnt_private *pDevice) return true; } -#ifdef CONFIG_PM /* Minimal support for suspend and resume */ - -static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) -{ - struct vnt_private *device = usb_get_intfdata(intf); - - if (!device || !device->dev) - return -ENODEV; - - if (device->flags & DEVICE_FLAGS_OPENED) - device_close(device->dev); - - return 0; -} - -static int vt6656_resume(struct usb_interface *intf) -{ - struct vnt_private *device = usb_get_intfdata(intf); - - if (!device || !device->dev) - return -ENODEV; - - if (!(device->flags & DEVICE_FLAGS_OPENED)) - device_open(device->dev); - - return 0; -} - -#endif /* CONFIG_PM */ - static const struct net_device_ops device_netdev_ops = { .ndo_open = device_open, .ndo_stop = device_close, @@ -611,69 +581,6 @@ static const struct net_device_ops device_netdev_ops = { .ndo_set_rx_mode = device_set_multi, }; -static int -vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) -{ - u8 fake_mac[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}; - struct usb_device *udev = interface_to_usbdev(intf); - int rc = 0; - struct net_device *netdev = NULL; - struct vnt_private *pDevice; - - printk(KERN_NOTICE "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION); - printk(KERN_NOTICE "Copyright (c) 2004 VIA Networking Technologies, Inc.\n"); - - udev = usb_get_dev(udev); - netdev = alloc_etherdev(sizeof(struct vnt_private)); - if (!netdev) { - printk(KERN_ERR DEVICE_NAME ": allocate net device failed\n"); - rc = -ENOMEM; - goto err_nomem; - } - - pDevice = netdev_priv(netdev); - memset(pDevice, 0, sizeof(struct vnt_private)); - - pDevice->dev = netdev; - pDevice->usb = udev; - - device_set_options(pDevice); - spin_lock_init(&pDevice->lock); - mutex_init(&pDevice->usb_lock); - - INIT_DELAYED_WORK(&pDevice->run_command_work, vRunCommand); - INIT_DELAYED_WORK(&pDevice->second_callback_work, BSSvSecondCallBack); - INIT_WORK(&pDevice->read_work_item, RXvWorkItem); - INIT_WORK(&pDevice->rx_mng_work_item, RXvMngWorkItem); - - pDevice->vnt_mgmt.pAdapter = (void *) pDevice; - - netdev->netdev_ops = &device_netdev_ops; - netdev->wireless_handlers = - (struct iw_handler_def *) &iwctl_handler_def; - - usb_set_intfdata(intf, pDevice); - SET_NETDEV_DEV(netdev, &intf->dev); - memcpy(pDevice->dev->dev_addr, fake_mac, ETH_ALEN); - - usb_device_reset(pDevice); - - rc = register_netdev(netdev); - if (rc) { - printk(KERN_ERR DEVICE_NAME " Failed to register netdev\n"); - goto err_netdev; - } - - return 0; - -err_netdev: - free_netdev(netdev); -err_nomem: - usb_put_dev(udev); - - return rc; -} - static void device_free_tx_bufs(struct vnt_private *priv) { struct vnt_usb_send_context *tx_context; @@ -1043,24 +950,536 @@ static int device_close(struct net_device *dev) return 0; } +static void vnt_tx_80211(struct ieee80211_hw *hw, + struct ieee80211_tx_control *control, struct sk_buff *skb) +{ + struct vnt_private *priv = hw->priv; + + ieee80211_stop_queues(hw); + + if (vnt_tx_packet(priv, skb)) { + ieee80211_free_txskb(hw, skb); + + ieee80211_wake_queues(hw); + } +} + +static int vnt_start(struct ieee80211_hw *hw) +{ + struct vnt_private *priv = hw->priv; + + priv->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS; + + if (device_alloc_bufs(priv) == false) { + dev_dbg(&priv->usb->dev, "device_alloc_bufs fail...\n"); + return -ENOMEM; + } + + MP_CLEAR_FLAG(priv, fMP_DISCONNECTED); + MP_SET_FLAG(priv, fMP_POST_READS); + MP_SET_FLAG(priv, fMP_POST_WRITES); + + if (device_init_registers(priv) == false) { + dev_dbg(&priv->usb->dev, " init register fail\n"); + goto free_all; + } + + priv->int_interval = 1; /* bInterval is set to 1 */ + + schedule_work(&priv->read_work_item); + INTvWorkItem(priv); + + priv->flags |= DEVICE_FLAGS_OPENED; + + ieee80211_wake_queues(hw); + + return 0; + +free_all: + device_free_rx_bufs(priv); + device_free_tx_bufs(priv); + device_free_int_bufs(priv); + + usb_kill_urb(priv->pInterruptURB); + usb_free_urb(priv->pInterruptURB); + + return -ENOMEM; +} + +static void vnt_stop(struct ieee80211_hw *hw) +{ + struct vnt_private *priv = hw->priv; + int i; + + if (!priv) + return; + + for (i = 0; i < MAX_KEY_TABLE; i++) + vnt_mac_disable_keyentry(priv, i); + + /* clear all keys */ + priv->key_entry_inuse = 0; + + if ((priv->flags & DEVICE_FLAGS_UNPLUG) == false) + vnt_mac_shutdown(priv); + + ieee80211_stop_queues(hw); + + MP_SET_FLAG(priv, fMP_DISCONNECTED); + MP_CLEAR_FLAG(priv, fMP_POST_WRITES); + MP_CLEAR_FLAG(priv, fMP_POST_READS); + + cancel_delayed_work_sync(&priv->run_command_work); + cancel_work_sync(&priv->read_work_item); + + priv->bCmdRunning = false; + + priv->flags &= ~DEVICE_FLAGS_OPENED; + + device_free_tx_bufs(priv); + device_free_rx_bufs(priv); + device_free_int_bufs(priv); + + usb_kill_urb(priv->pInterruptURB); + usb_free_urb(priv->pInterruptURB); + + return; +} + +static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct vnt_private *priv = hw->priv; + + priv->vif = vif; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + break; + case NL80211_IFTYPE_ADHOC: + vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); + + vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); + + break; + case NL80211_IFTYPE_AP: + vnt_mac_reg_bits_off(priv, MAC_REG_RCR, RCR_UNICAST); + + vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_AP); + + break; + default: + return -EOPNOTSUPP; + } + + priv->op_mode = vif->type; + + /* LED blink on TX */ + vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER); + + return 0; +} + +static void vnt_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct vnt_private *priv = hw->priv; + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + break; + case NL80211_IFTYPE_ADHOC: + vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); + vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); + vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_ADHOC); + break; + case NL80211_IFTYPE_AP: + vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); + vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); + vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_AP); + break; + default: + break; + } + + vnt_radio_power_off(priv); + + priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; + + /* LED slow blink */ + vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_SLOW); + + return; +} + +static int vnt_config(struct ieee80211_hw *hw, u32 changed) +{ + struct vnt_private *priv = hw->priv; + struct ieee80211_conf *conf = &hw->conf; + u8 bb_type; + + if (changed & IEEE80211_CONF_CHANGE_PS) { + if (conf->flags & IEEE80211_CONF_PS) + vnt_enable_power_saving(priv, conf->listen_interval); + else + vnt_disable_power_saving(priv); + } + + if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || + (conf->flags & IEEE80211_CONF_OFFCHANNEL)) { + vnt_set_channel(priv, conf->chandef.chan->hw_value); + + if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ) + bb_type = BB_TYPE_11A; + else + bb_type = BB_TYPE_11G; + + if (priv->byBBType != bb_type) { + priv->byBBType = bb_type; + + vnt_set_bss_mode(priv); + } + } + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + if (priv->byBBType == BB_TYPE_11B) + priv->wCurrentRate = RATE_1M; + else + priv->wCurrentRate = RATE_54M; + + vnt_rf_setpower(priv, priv->wCurrentRate, + conf->chandef.chan->hw_value); + } + + return 0; +} + +static void vnt_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf, + u32 changed) +{ + struct vnt_private *priv = hw->priv; + priv->current_aid = conf->aid; + + if (changed & BSS_CHANGED_BSSID) + vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); + + + if (changed & BSS_CHANGED_BASIC_RATES) { + priv->wBasicRate = conf->basic_rates; + + vnt_update_top_rates(priv); + + dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates); + } + + if (changed & BSS_CHANGED_ERP_PREAMBLE) { + if (conf->use_short_preamble) { + vnt_mac_enable_barker_preamble_mode(priv); + priv->byPreambleType = true; + } else { + vnt_mac_disable_barker_preamble_mode(priv); + priv->byPreambleType = false; + } + } + + if (changed & BSS_CHANGED_ERP_CTS_PROT) { + if (conf->use_cts_prot) + vnt_mac_enable_protect_mode(priv); + else + vnt_mac_disable_protect_mode(priv); + } + + if (changed & BSS_CHANGED_ERP_SLOT) { + if (conf->use_short_slot) + priv->bShortSlotTime = true; + else + priv->bShortSlotTime = false; + + BBvSetShortSlotTime(priv); + BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]); + BBvUpdatePreEDThreshold(priv, false); + } + + if (changed & BSS_CHANGED_TXPOWER) + vnt_rf_setpower(priv, priv->wCurrentRate, + conf->chandef.chan->hw_value); + + if (changed & BSS_CHANGED_BEACON_ENABLED) { + dev_dbg(&priv->usb->dev, + "Beacon enable %d\n", conf->enable_beacon); + + if (conf->enable_beacon) { + vnt_beacon_enable(priv, vif, conf); + + vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX); + } else { + vnt_mac_reg_bits_off(priv, MAC_REG_TCR, TCR_AUTOBCNTX); + } + } +} + +static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, + struct netdev_hw_addr_list *mc_list) +{ + struct vnt_private *priv = hw->priv; + struct netdev_hw_addr *ha; + u64 mc_filter = 0; + u32 bit_nr = 0; + + netdev_hw_addr_list_for_each(ha, mc_list) { + bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; + + mc_filter |= 1ULL << (bit_nr & 0x3f); + } + + priv->mc_list_count = mc_list->count; + + return mc_filter; +} + +static void vnt_configure(struct ieee80211_hw *hw, + unsigned int changed_flags, unsigned int *total_flags, u64 multicast) +{ + struct vnt_private *priv = hw->priv; + u8 rx_mode = 0; + int rc; + + *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_PROMISC_IN_BSS | + FIF_BCN_PRBRESP_PROMISC; + + rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR, + MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode); + + if (!rc) + rx_mode = RCR_MULTICAST | RCR_BROADCAST; + + dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode); + + if (changed_flags & FIF_PROMISC_IN_BSS) { + /* unconditionally log net taps */ + if (*total_flags & FIF_PROMISC_IN_BSS) + rx_mode |= RCR_UNICAST; + else + rx_mode &= ~RCR_UNICAST; + } + + if (changed_flags & FIF_ALLMULTI) { + if (*total_flags & FIF_ALLMULTI) { + if (priv->mc_list_count > 2) + vnt_mac_set_filter(priv, ~0); + else + vnt_mac_set_filter(priv, multicast); + + rx_mode |= RCR_MULTICAST | RCR_BROADCAST; + } else { + rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST); + } + + } + + if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) { + if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) + rx_mode &= ~RCR_BSSID; + else + rx_mode |= RCR_BSSID; + } + + vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, rx_mode); + + dev_dbg(&priv->usb->dev, "rx mode out= %x\n", rx_mode); + + return; +} + +static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct vnt_private *priv = hw->priv; + + switch (cmd) { + case SET_KEY: + if (vnt_set_keys(hw, sta, vif, key)) + return -EOPNOTSUPP; + break; + case DISABLE_KEY: + if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) + clear_bit(key->hw_key_idx, &priv->key_entry_inuse); + default: + break; + } + + return 0; +} + +static void vnt_sw_scan_start(struct ieee80211_hw *hw) +{ + struct vnt_private *priv = hw->priv; + + /* Set max sensitivity*/ + BBvUpdatePreEDThreshold(priv, true); +} + +static void vnt_sw_scan_complete(struct ieee80211_hw *hw) +{ + struct vnt_private *priv = hw->priv; + + /* Return sensitivity to channel level*/ + BBvUpdatePreEDThreshold(priv, false); +} + +static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct vnt_private *priv = hw->priv; + + return priv->qwCurrTSF; +} + +static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u64 tsf) +{ + struct vnt_private *priv = hw->priv; + + vnt_update_next_tbtt(priv, tsf, vif->bss_conf.beacon_int); +} + +static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct vnt_private *priv = hw->priv; + + vnt_mac_reg_bits_off(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); + + vnt_clear_current_tsf(priv); +} + +static const struct ieee80211_ops vnt_mac_ops = { + .tx = vnt_tx_80211, + .start = vnt_start, + .stop = vnt_stop, + .add_interface = vnt_add_interface, + .remove_interface = vnt_remove_interface, + .config = vnt_config, + .bss_info_changed = vnt_bss_info_changed, + .prepare_multicast = vnt_prepare_multicast, + .configure_filter = vnt_configure, + .set_key = vnt_set_key, + .sw_scan_start = vnt_sw_scan_start, + .sw_scan_complete = vnt_sw_scan_complete, + .get_tsf = vnt_get_tsf, + .set_tsf = vnt_set_tsf, + .reset_tsf = vnt_reset_tsf, +}; + +int vnt_init(struct vnt_private *priv) +{ + + if (!(device_init_registers(priv))) + return -EAGAIN; + + SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyPermanentNetAddr); + + if (ieee80211_register_hw(priv->hw)) + return -ENODEV; + + return 0; +} + +static int +vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_device *udev; + struct vnt_private *priv; + struct ieee80211_hw *hw; + struct wiphy *wiphy; + int rc = 0; + + udev = usb_get_dev(interface_to_usbdev(intf)); + + dev_notice(&udev->dev, "%s Ver. %s\n", + DEVICE_FULL_DRV_NAM, DEVICE_VERSION); + dev_notice(&udev->dev, + "Copyright (c) 2004 VIA Networking Technologies, Inc.\n"); + + hw = ieee80211_alloc_hw(sizeof(struct vnt_private), &vnt_mac_ops); + if (!hw) { + dev_err(&udev->dev, "could not register ieee80211_hw\n"); + goto err_nomem; + } + + priv = hw->priv; + priv->hw = hw; + priv->usb = udev; + + device_set_options(priv); + + spin_lock_init(&priv->lock); + mutex_init(&priv->usb_lock); + + INIT_DELAYED_WORK(&priv->run_command_work, vRunCommand); + INIT_WORK(&priv->read_work_item, RXvWorkItem); + + priv->vnt_mgmt.pAdapter = priv; + + usb_set_intfdata(intf, priv); + + wiphy = priv->hw->wiphy; + + wiphy->frag_threshold = FRAG_THRESH_DEF; + wiphy->rts_threshold = RTS_THRESH_DEF; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); + + priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | + IEEE80211_HW_REPORTS_TX_ACK_STATUS | + IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_TIMING_BEACON_ONLY; + + priv->hw->rate_control_algorithm = "pid"; + priv->hw->max_signal = 100; + + SET_IEEE80211_DEV(priv->hw, &intf->dev); + + usb_device_reset(priv); + + return 0; + +err_nomem: + usb_put_dev(udev); + + return rc; +} + static void vt6656_disconnect(struct usb_interface *intf) { - struct vnt_private *device = usb_get_intfdata(intf); + struct vnt_private *priv = usb_get_intfdata(intf); - if (!device) + if (!priv) return; + ieee80211_unregister_hw(priv->hw); + usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); - device->flags |= DEVICE_FLAGS_UNPLUG; + priv->flags |= DEVICE_FLAGS_UNPLUG; - if (device->dev) { - unregister_netdev(device->dev); - free_netdev(device->dev); - } + ieee80211_free_hw(priv->hw); +} + +#ifdef CONFIG_PM + +static int vt6656_suspend(struct usb_interface *intf, pm_message_t message) +{ + return 0; } +static int vt6656_resume(struct usb_interface *intf) +{ + return 0; +} + +#endif /* CONFIG_PM */ + static int device_xmit(struct sk_buff *skb, struct net_device *dev) { struct vnt_private *pDevice = netdev_priv(dev); -- 2.20.1