diff options
Diffstat (limited to 'drivers/net/wireless/libertas_tf/main.c')
| -rw-r--r-- | drivers/net/wireless/libertas_tf/main.c | 769 |
1 files changed, 0 insertions, 769 deletions
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c deleted file mode 100644 index 088de9d25c39..000000000000 --- a/drivers/net/wireless/libertas_tf/main.c +++ /dev/null @@ -1,769 +0,0 @@ -/* - * Copyright (C) 2008, cozybit Inc. - * Copyright (C) 2003-2006, Marvell International Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/hardirq.h> -#include <linux/slab.h> - -#include <linux/etherdevice.h> -#include <linux/module.h> -#include "libertas_tf.h" - -#define DRIVER_RELEASE_VERSION "004.p0" -/* thinfirm version: 5.132.X.pX */ -#define LBTF_FW_VER_MIN 0x05840300 -#define LBTF_FW_VER_MAX 0x0584ffff -#define QOS_CONTROL_LEN 2 - -/* Module parameters */ -unsigned int lbtf_debug; -EXPORT_SYMBOL_GPL(lbtf_debug); -module_param_named(libertas_tf_debug, lbtf_debug, int, 0644); - -static const char lbtf_driver_version[] = "THINFIRM-USB8388-" DRIVER_RELEASE_VERSION -#ifdef DEBUG - "-dbg" -#endif - ""; - -struct workqueue_struct *lbtf_wq; - -static const struct ieee80211_channel lbtf_channels[] = { - { .center_freq = 2412, .hw_value = 1 }, - { .center_freq = 2417, .hw_value = 2 }, - { .center_freq = 2422, .hw_value = 3 }, - { .center_freq = 2427, .hw_value = 4 }, - { .center_freq = 2432, .hw_value = 5 }, - { .center_freq = 2437, .hw_value = 6 }, - { .center_freq = 2442, .hw_value = 7 }, - { .center_freq = 2447, .hw_value = 8 }, - { .center_freq = 2452, .hw_value = 9 }, - { .center_freq = 2457, .hw_value = 10 }, - { .center_freq = 2462, .hw_value = 11 }, - { .center_freq = 2467, .hw_value = 12 }, - { .center_freq = 2472, .hw_value = 13 }, - { .center_freq = 2484, .hw_value = 14 }, -}; - -/* This table contains the hardware specific values for the modulation rates. */ -static const struct ieee80211_rate lbtf_rates[] = { - { .bitrate = 10, - .hw_value = 0, }, - { .bitrate = 20, - .hw_value = 1, - .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 55, - .hw_value = 2, - .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 110, - .hw_value = 3, - .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 60, - .hw_value = 5, - .flags = 0 }, - { .bitrate = 90, - .hw_value = 6, - .flags = 0 }, - { .bitrate = 120, - .hw_value = 7, - .flags = 0 }, - { .bitrate = 180, - .hw_value = 8, - .flags = 0 }, - { .bitrate = 240, - .hw_value = 9, - .flags = 0 }, - { .bitrate = 360, - .hw_value = 10, - .flags = 0 }, - { .bitrate = 480, - .hw_value = 11, - .flags = 0 }, - { .bitrate = 540, - .hw_value = 12, - .flags = 0 }, -}; - -static void lbtf_cmd_work(struct work_struct *work) -{ - struct lbtf_private *priv = container_of(work, struct lbtf_private, - cmd_work); - - lbtf_deb_enter(LBTF_DEB_CMD); - - spin_lock_irq(&priv->driver_lock); - /* command response? */ - if (priv->cmd_response_rxed) { - priv->cmd_response_rxed = 0; - spin_unlock_irq(&priv->driver_lock); - lbtf_process_rx_command(priv); - spin_lock_irq(&priv->driver_lock); - } - - if (priv->cmd_timed_out && priv->cur_cmd) { - struct cmd_ctrl_node *cmdnode = priv->cur_cmd; - - if (++priv->nr_retries > 10) { - lbtf_complete_command(priv, cmdnode, - -ETIMEDOUT); - priv->nr_retries = 0; - } else { - priv->cur_cmd = NULL; - - /* Stick it back at the _top_ of the pending - * queue for immediate resubmission */ - list_add(&cmdnode->list, &priv->cmdpendingq); - } - } - priv->cmd_timed_out = 0; - spin_unlock_irq(&priv->driver_lock); - - if (!priv->fw_ready) { - lbtf_deb_leave_args(LBTF_DEB_CMD, "fw not ready"); - return; - } - - /* Execute the next command */ - if (!priv->cur_cmd) - lbtf_execute_next_command(priv); - - lbtf_deb_leave(LBTF_DEB_CMD); -} - -/** - * lbtf_setup_firmware: initialize firmware. - * - * @priv A pointer to struct lbtf_private structure - * - * Returns: 0 on success. - */ -static int lbtf_setup_firmware(struct lbtf_private *priv) -{ - int ret = -1; - - lbtf_deb_enter(LBTF_DEB_FW); - /* - * Read priv address from HW - */ - memset(priv->current_addr, 0xff, ETH_ALEN); - ret = lbtf_update_hw_spec(priv); - if (ret) { - ret = -1; - goto done; - } - - lbtf_set_mac_control(priv); - lbtf_set_radio_control(priv); - - ret = 0; -done: - lbtf_deb_leave_args(LBTF_DEB_FW, "ret: %d", ret); - return ret; -} - -/** - * This function handles the timeout of command sending. - * It will re-send the same command again. - */ -static void command_timer_fn(unsigned long data) -{ - struct lbtf_private *priv = (struct lbtf_private *)data; - unsigned long flags; - lbtf_deb_enter(LBTF_DEB_CMD); - - spin_lock_irqsave(&priv->driver_lock, flags); - - if (!priv->cur_cmd) { - printk(KERN_DEBUG "libertastf: command timer expired; " - "no pending command\n"); - goto out; - } - - printk(KERN_DEBUG "libertas: command %x timed out\n", - le16_to_cpu(priv->cur_cmd->cmdbuf->command)); - - priv->cmd_timed_out = 1; - queue_work(lbtf_wq, &priv->cmd_work); -out: - spin_unlock_irqrestore(&priv->driver_lock, flags); - lbtf_deb_leave(LBTF_DEB_CMD); -} - -static int lbtf_init_adapter(struct lbtf_private *priv) -{ - lbtf_deb_enter(LBTF_DEB_MAIN); - memset(priv->current_addr, 0xff, ETH_ALEN); - mutex_init(&priv->lock); - - priv->vif = NULL; - setup_timer(&priv->command_timer, command_timer_fn, - (unsigned long)priv); - - INIT_LIST_HEAD(&priv->cmdfreeq); - INIT_LIST_HEAD(&priv->cmdpendingq); - - spin_lock_init(&priv->driver_lock); - - /* Allocate the command buffers */ - if (lbtf_allocate_cmd_buffer(priv)) - return -1; - - lbtf_deb_leave(LBTF_DEB_MAIN); - return 0; -} - -static void lbtf_free_adapter(struct lbtf_private *priv) -{ - lbtf_deb_enter(LBTF_DEB_MAIN); - lbtf_free_cmd_buffer(priv); - del_timer(&priv->command_timer); - lbtf_deb_leave(LBTF_DEB_MAIN); -} - -static void lbtf_op_tx(struct ieee80211_hw *hw, - struct ieee80211_tx_control *control, - struct sk_buff *skb) -{ - struct lbtf_private *priv = hw->priv; - - priv->skb_to_tx = skb; - queue_work(lbtf_wq, &priv->tx_work); - /* - * queue will be restarted when we receive transmission feedback if - * there are no buffered multicast frames to send - */ - ieee80211_stop_queues(priv->hw); -} - -static void lbtf_tx_work(struct work_struct *work) -{ - struct lbtf_private *priv = container_of(work, struct lbtf_private, - tx_work); - unsigned int len; - struct ieee80211_tx_info *info; - struct txpd *txpd; - struct sk_buff *skb = NULL; - int err; - - lbtf_deb_enter(LBTF_DEB_MACOPS | LBTF_DEB_TX); - - if ((priv->vif->type == NL80211_IFTYPE_AP) && - (!skb_queue_empty(&priv->bc_ps_buf))) - skb = skb_dequeue(&priv->bc_ps_buf); - else if (priv->skb_to_tx) { - skb = priv->skb_to_tx; - priv->skb_to_tx = NULL; - } else { - lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX); - return; - } - - len = skb->len; - info = IEEE80211_SKB_CB(skb); - txpd = (struct txpd *) skb_push(skb, sizeof(struct txpd)); - - if (priv->surpriseremoved) { - dev_kfree_skb_any(skb); - lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX); - return; - } - - memset(txpd, 0, sizeof(struct txpd)); - /* Activate per-packet rate selection */ - txpd->tx_control |= cpu_to_le32(MRVL_PER_PACKET_RATE | - ieee80211_get_tx_rate(priv->hw, info)->hw_value); - - /* copy destination address from 802.11 header */ - memcpy(txpd->tx_dest_addr_high, skb->data + sizeof(struct txpd) + 4, - ETH_ALEN); - txpd->tx_packet_length = cpu_to_le16(len); - txpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd)); - lbtf_deb_hex(LBTF_DEB_TX, "TX Data", skb->data, min_t(unsigned int, skb->len, 100)); - BUG_ON(priv->tx_skb); - spin_lock_irq(&priv->driver_lock); - priv->tx_skb = skb; - err = priv->hw_host_to_card(priv, MVMS_DAT, skb->data, skb->len); - spin_unlock_irq(&priv->driver_lock); - if (err) { - dev_kfree_skb_any(skb); - priv->tx_skb = NULL; - pr_err("TX error: %d", err); - } - lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX); -} - -static int lbtf_op_start(struct ieee80211_hw *hw) -{ - struct lbtf_private *priv = hw->priv; - void *card = priv->card; - int ret = -1; - - lbtf_deb_enter(LBTF_DEB_MACOPS); - - if (!priv->fw_ready) - /* Upload firmware */ - if (priv->hw_prog_firmware(card)) - goto err_prog_firmware; - - /* poke the firmware */ - priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; - priv->radioon = RADIO_ON; - priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; - ret = lbtf_setup_firmware(priv); - if (ret) - goto err_prog_firmware; - - if ((priv->fwrelease < LBTF_FW_VER_MIN) || - (priv->fwrelease > LBTF_FW_VER_MAX)) { - ret = -1; - goto err_prog_firmware; - } - - printk(KERN_INFO "libertastf: Marvell WLAN 802.11 thinfirm adapter\n"); - lbtf_deb_leave(LBTF_DEB_MACOPS); - return 0; - -err_prog_firmware: - priv->hw_reset_device(card); - lbtf_deb_leave_args(LBTF_DEB_MACOPS, "error programing fw; ret=%d", ret); - return ret; -} - -static void lbtf_op_stop(struct ieee80211_hw *hw) -{ - struct lbtf_private *priv = hw->priv; - unsigned long flags; - struct sk_buff *skb; - - struct cmd_ctrl_node *cmdnode; - - lbtf_deb_enter(LBTF_DEB_MACOPS); - - /* Flush pending command nodes */ - spin_lock_irqsave(&priv->driver_lock, flags); - list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { - cmdnode->result = -ENOENT; - cmdnode->cmdwaitqwoken = 1; - wake_up_interruptible(&cmdnode->cmdwait_q); - } - - spin_unlock_irqrestore(&priv->driver_lock, flags); - cancel_work_sync(&priv->cmd_work); - cancel_work_sync(&priv->tx_work); - while ((skb = skb_dequeue(&priv->bc_ps_buf))) - dev_kfree_skb_any(skb); - priv->radioon = RADIO_OFF; - lbtf_set_radio_control(priv); - - lbtf_deb_leave(LBTF_DEB_MACOPS); -} - -static int lbtf_op_add_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct lbtf_private *priv = hw->priv; - lbtf_deb_enter(LBTF_DEB_MACOPS); - if (priv->vif != NULL) - return -EOPNOTSUPP; - - priv->vif = vif; - switch (vif->type) { - case NL80211_IFTYPE_MESH_POINT: - case NL80211_IFTYPE_AP: - lbtf_set_mode(priv, LBTF_AP_MODE); - break; - case NL80211_IFTYPE_STATION: - lbtf_set_mode(priv, LBTF_STA_MODE); - break; - default: - priv->vif = NULL; - return -EOPNOTSUPP; - } - lbtf_set_mac_address(priv, (u8 *) vif->addr); - lbtf_deb_leave(LBTF_DEB_MACOPS); - return 0; -} - -static void lbtf_op_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct lbtf_private *priv = hw->priv; - lbtf_deb_enter(LBTF_DEB_MACOPS); - - if (priv->vif->type == NL80211_IFTYPE_AP || - priv->vif->type == NL80211_IFTYPE_MESH_POINT) - lbtf_beacon_ctrl(priv, 0, 0); - lbtf_set_mode(priv, LBTF_PASSIVE_MODE); - lbtf_set_bssid(priv, 0, NULL); - priv->vif = NULL; - lbtf_deb_leave(LBTF_DEB_MACOPS); -} - -static int lbtf_op_config(struct ieee80211_hw *hw, u32 changed) -{ - struct lbtf_private *priv = hw->priv; - struct ieee80211_conf *conf = &hw->conf; - lbtf_deb_enter(LBTF_DEB_MACOPS); - - if (conf->chandef.chan->center_freq != priv->cur_freq) { - priv->cur_freq = conf->chandef.chan->center_freq; - lbtf_set_channel(priv, conf->chandef.chan->hw_value); - } - lbtf_deb_leave(LBTF_DEB_MACOPS); - return 0; -} - -static u64 lbtf_op_prepare_multicast(struct ieee80211_hw *hw, - struct netdev_hw_addr_list *mc_list) -{ - struct lbtf_private *priv = hw->priv; - int i; - struct netdev_hw_addr *ha; - int mc_count = netdev_hw_addr_list_count(mc_list); - - if (!mc_count || mc_count > MRVDRV_MAX_MULTICAST_LIST_SIZE) - return mc_count; - - priv->nr_of_multicastmacaddr = mc_count; - i = 0; - netdev_hw_addr_list_for_each(ha, mc_list) - memcpy(&priv->multicastlist[i++], ha->addr, ETH_ALEN); - - return mc_count; -} - -#define SUPPORTED_FIF_FLAGS (FIF_PROMISC_IN_BSS | FIF_ALLMULTI) -static void lbtf_op_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *new_flags, - u64 multicast) -{ - struct lbtf_private *priv = hw->priv; - int old_mac_control = priv->mac_control; - - lbtf_deb_enter(LBTF_DEB_MACOPS); - - changed_flags &= SUPPORTED_FIF_FLAGS; - *new_flags &= SUPPORTED_FIF_FLAGS; - - if (!changed_flags) { - lbtf_deb_leave(LBTF_DEB_MACOPS); - return; - } - - if (*new_flags & (FIF_PROMISC_IN_BSS)) - priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE; - else - priv->mac_control &= ~CMD_ACT_MAC_PROMISCUOUS_ENABLE; - if (*new_flags & (FIF_ALLMULTI) || - multicast > MRVDRV_MAX_MULTICAST_LIST_SIZE) { - priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE; - priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE; - } else if (multicast) { - priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE; - priv->mac_control &= ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE; - lbtf_cmd_set_mac_multicast_addr(priv); - } else { - priv->mac_control &= ~(CMD_ACT_MAC_MULTICAST_ENABLE | - CMD_ACT_MAC_ALL_MULTICAST_ENABLE); - if (priv->nr_of_multicastmacaddr) { - priv->nr_of_multicastmacaddr = 0; - lbtf_cmd_set_mac_multicast_addr(priv); - } - } - - - if (priv->mac_control != old_mac_control) - lbtf_set_mac_control(priv); - - lbtf_deb_leave(LBTF_DEB_MACOPS); -} - -static void lbtf_op_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf, - u32 changes) -{ - struct lbtf_private *priv = hw->priv; - struct sk_buff *beacon; - lbtf_deb_enter(LBTF_DEB_MACOPS); - - if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_INT)) { - switch (priv->vif->type) { - case NL80211_IFTYPE_AP: - case NL80211_IFTYPE_MESH_POINT: - beacon = ieee80211_beacon_get(hw, vif); - if (beacon) { - lbtf_beacon_set(priv, beacon); - kfree_skb(beacon); - lbtf_beacon_ctrl(priv, 1, - bss_conf->beacon_int); - } - break; - default: - break; - } - } - - if (changes & BSS_CHANGED_BSSID) { - bool activate = !is_zero_ether_addr(bss_conf->bssid); - lbtf_set_bssid(priv, activate, bss_conf->bssid); - } - - if (changes & BSS_CHANGED_ERP_PREAMBLE) { - if (bss_conf->use_short_preamble) - priv->preamble = CMD_TYPE_SHORT_PREAMBLE; - else - priv->preamble = CMD_TYPE_LONG_PREAMBLE; - lbtf_set_radio_control(priv); - } - - lbtf_deb_leave(LBTF_DEB_MACOPS); -} - -static int lbtf_op_get_survey(struct ieee80211_hw *hw, int idx, - struct survey_info *survey) -{ - struct lbtf_private *priv = hw->priv; - struct ieee80211_conf *conf = &hw->conf; - - if (idx != 0) - return -ENOENT; - - survey->channel = conf->chandef.chan; - survey->filled = SURVEY_INFO_NOISE_DBM; - survey->noise = priv->noise; - - return 0; -} - -static const struct ieee80211_ops lbtf_ops = { - .tx = lbtf_op_tx, - .start = lbtf_op_start, - .stop = lbtf_op_stop, - .add_interface = lbtf_op_add_interface, - .remove_interface = lbtf_op_remove_interface, - .config = lbtf_op_config, - .prepare_multicast = lbtf_op_prepare_multicast, - .configure_filter = lbtf_op_configure_filter, - .bss_info_changed = lbtf_op_bss_info_changed, - .get_survey = lbtf_op_get_survey, -}; - -int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb) -{ - struct ieee80211_rx_status stats; - struct rxpd *prxpd; - int need_padding; - unsigned int flags; - struct ieee80211_hdr *hdr; - - lbtf_deb_enter(LBTF_DEB_RX); - - prxpd = (struct rxpd *) skb->data; - - memset(&stats, 0, sizeof(stats)); - if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK))) - stats.flag |= RX_FLAG_FAILED_FCS_CRC; - stats.freq = priv->cur_freq; - stats.band = IEEE80211_BAND_2GHZ; - stats.signal = prxpd->snr; - priv->noise = prxpd->nf; - /* Marvell rate index has a hole at value 4 */ - if (prxpd->rx_rate > 4) - --prxpd->rx_rate; - stats.rate_idx = prxpd->rx_rate; - skb_pull(skb, sizeof(struct rxpd)); - - hdr = (struct ieee80211_hdr *)skb->data; - flags = le32_to_cpu(*(__le32 *)(skb->data + 4)); - - need_padding = ieee80211_is_data_qos(hdr->frame_control); - need_padding ^= ieee80211_has_a4(hdr->frame_control); - need_padding ^= ieee80211_is_data_qos(hdr->frame_control) && - (*ieee80211_get_qos_ctl(hdr) & - IEEE80211_QOS_CTL_A_MSDU_PRESENT); - - if (need_padding) { - memmove(skb->data + 2, skb->data, skb->len); - skb_reserve(skb, 2); - } - - memcpy(IEEE80211_SKB_RXCB(skb), &stats, sizeof(stats)); - - lbtf_deb_rx("rx data: skb->len-sizeof(RxPd) = %d-%zd = %zd\n", - skb->len, sizeof(struct rxpd), skb->len - sizeof(struct rxpd)); - lbtf_deb_hex(LBTF_DEB_RX, "RX Data", skb->data, - min_t(unsigned int, skb->len, 100)); - - ieee80211_rx_irqsafe(priv->hw, skb); - - lbtf_deb_leave(LBTF_DEB_RX); - return 0; -} -EXPORT_SYMBOL_GPL(lbtf_rx); - -/** - * lbtf_add_card: Add and initialize the card, no fw upload yet. - * - * @card A pointer to card - * - * Returns: pointer to struct lbtf_priv. - */ -struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev) -{ - struct ieee80211_hw *hw; - struct lbtf_private *priv = NULL; - - lbtf_deb_enter(LBTF_DEB_MAIN); - - hw = ieee80211_alloc_hw(sizeof(struct lbtf_private), &lbtf_ops); - if (!hw) - goto done; - - priv = hw->priv; - if (lbtf_init_adapter(priv)) - goto err_init_adapter; - - priv->hw = hw; - priv->card = card; - priv->tx_skb = NULL; - - hw->queues = 1; - hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; - hw->extra_tx_headroom = sizeof(struct txpd); - memcpy(priv->channels, lbtf_channels, sizeof(lbtf_channels)); - memcpy(priv->rates, lbtf_rates, sizeof(lbtf_rates)); - priv->band.n_bitrates = ARRAY_SIZE(lbtf_rates); - priv->band.bitrates = priv->rates; - priv->band.n_channels = ARRAY_SIZE(lbtf_channels); - priv->band.channels = priv->channels; - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; - hw->wiphy->interface_modes = - BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC); - skb_queue_head_init(&priv->bc_ps_buf); - - SET_IEEE80211_DEV(hw, dmdev); - - INIT_WORK(&priv->cmd_work, lbtf_cmd_work); - INIT_WORK(&priv->tx_work, lbtf_tx_work); - if (ieee80211_register_hw(hw)) - goto err_init_adapter; - - goto done; - -err_init_adapter: - lbtf_free_adapter(priv); - ieee80211_free_hw(hw); - priv = NULL; - -done: - lbtf_deb_leave_args(LBTF_DEB_MAIN, "priv %p", priv); - return priv; -} -EXPORT_SYMBOL_GPL(lbtf_add_card); - - -int lbtf_remove_card(struct lbtf_private *priv) -{ - struct ieee80211_hw *hw = priv->hw; - - lbtf_deb_enter(LBTF_DEB_MAIN); - - priv->surpriseremoved = 1; - del_timer(&priv->command_timer); - lbtf_free_adapter(priv); - priv->hw = NULL; - ieee80211_unregister_hw(hw); - ieee80211_free_hw(hw); - - lbtf_deb_leave(LBTF_DEB_MAIN); - return 0; -} -EXPORT_SYMBOL_GPL(lbtf_remove_card); - -void lbtf_send_tx_feedback(struct lbtf_private *priv, u8 retrycnt, u8 fail) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(priv->tx_skb); - - ieee80211_tx_info_clear_status(info); - /* - * Commented out, otherwise we never go beyond 1Mbit/s using mac80211 - * default pid rc algorithm. - * - * info->status.retry_count = MRVL_DEFAULT_RETRIES - retrycnt; - */ - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && !fail) - info->flags |= IEEE80211_TX_STAT_ACK; - skb_pull(priv->tx_skb, sizeof(struct txpd)); - ieee80211_tx_status_irqsafe(priv->hw, priv->tx_skb); - priv->tx_skb = NULL; - if (!priv->skb_to_tx && skb_queue_empty(&priv->bc_ps_buf)) - ieee80211_wake_queues(priv->hw); - else - queue_work(lbtf_wq, &priv->tx_work); -} -EXPORT_SYMBOL_GPL(lbtf_send_tx_feedback); - -void lbtf_bcn_sent(struct lbtf_private *priv) -{ - struct sk_buff *skb = NULL; - - if (priv->vif->type != NL80211_IFTYPE_AP) - return; - - if (skb_queue_empty(&priv->bc_ps_buf)) { - bool tx_buff_bc = false; - - while ((skb = ieee80211_get_buffered_bc(priv->hw, priv->vif))) { - skb_queue_tail(&priv->bc_ps_buf, skb); - tx_buff_bc = true; - } - if (tx_buff_bc) { - ieee80211_stop_queues(priv->hw); - queue_work(lbtf_wq, &priv->tx_work); - } - } - - skb = ieee80211_beacon_get(priv->hw, priv->vif); - - if (skb) { - lbtf_beacon_set(priv, skb); - kfree_skb(skb); - } -} -EXPORT_SYMBOL_GPL(lbtf_bcn_sent); - -static int __init lbtf_init_module(void) -{ - lbtf_deb_enter(LBTF_DEB_MAIN); - lbtf_wq = create_workqueue("libertastf"); - if (lbtf_wq == NULL) { - printk(KERN_ERR "libertastf: couldn't create workqueue\n"); - return -ENOMEM; - } - lbtf_deb_leave(LBTF_DEB_MAIN); - return 0; -} - -static void __exit lbtf_exit_module(void) -{ - lbtf_deb_enter(LBTF_DEB_MAIN); - destroy_workqueue(lbtf_wq); - lbtf_deb_leave(LBTF_DEB_MAIN); -} - -module_init(lbtf_init_module); -module_exit(lbtf_exit_module); - -MODULE_DESCRIPTION("Libertas WLAN Thinfirm Driver Library"); -MODULE_AUTHOR("Cozybit Inc."); -MODULE_LICENSE("GPL"); |