diff options
Diffstat (limited to 'drivers/net/wireless/marvell/libertas_tf/main.c')
-rw-r--r-- | drivers/net/wireless/marvell/libertas_tf/main.c | 105 |
1 files changed, 39 insertions, 66 deletions
diff --git a/drivers/net/wireless/marvell/libertas_tf/main.c b/drivers/net/wireless/marvell/libertas_tf/main.c index 1d45da187b9b..5799e9886d83 100644 --- a/drivers/net/wireless/marvell/libertas_tf/main.c +++ b/drivers/net/wireless/marvell/libertas_tf/main.c @@ -118,11 +118,6 @@ static void lbtf_cmd_work(struct work_struct *work) 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); @@ -131,37 +126,6 @@ static void lbtf_cmd_work(struct work_struct *work) } /** - * 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 - */ - eth_broadcast_addr(priv->current_addr); - 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. */ @@ -281,7 +245,7 @@ static void lbtf_tx_work(struct work_struct *work) 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); + err = priv->ops->hw_host_to_card(priv, MVMS_DAT, skb->data, skb->len); spin_unlock_irq(&priv->driver_lock); if (err) { dev_kfree_skb_any(skb); @@ -294,38 +258,17 @@ static void lbtf_tx_work(struct work_struct *work) 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; - } + lbtf_set_mac_control(priv); + lbtf_set_radio_control(priv); - 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 programming fw; ret=%d", ret); - return ret; } static void lbtf_op_stop(struct ieee80211_hw *hw) @@ -551,11 +494,15 @@ 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); + if (priv->radioon != RADIO_ON) { + lbtf_deb_rx("rx before we turned on the radio"); + goto done; + } + prxpd = (struct rxpd *) skb->data; memset(&stats, 0, sizeof(stats)); @@ -563,7 +510,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb) stats.flag |= RX_FLAG_FAILED_FCS_CRC; stats.freq = priv->cur_freq; stats.band = NL80211_BAND_2GHZ; - stats.signal = prxpd->snr; + stats.signal = prxpd->snr - prxpd->nf; priv->noise = prxpd->nf; /* Marvell rate index has a hole at value 4 */ if (prxpd->rx_rate > 4) @@ -572,7 +519,6 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb) 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); @@ -594,19 +540,21 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb) ieee80211_rx_irqsafe(priv->hw, skb); +done: 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. + * lbtf_add_card: Add and initialize the card. * * @card A pointer to card * * Returns: pointer to struct lbtf_priv. */ -struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev) +struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev, + const struct lbtf_ops *ops) { struct ieee80211_hw *hw; struct lbtf_private *priv = NULL; @@ -623,10 +571,13 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev) priv->hw = hw; priv->card = card; + priv->ops = ops; priv->tx_skb = NULL; + priv->radioon = RADIO_OFF; hw->queues = 1; ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING); + ieee80211_hw_set(hw, SIGNAL_DBM); hw->extra_tx_headroom = sizeof(struct txpd); memcpy(priv->channels, lbtf_channels, sizeof(lbtf_channels)); memcpy(priv->rates, lbtf_rates, sizeof(lbtf_rates)); @@ -646,9 +597,31 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev) INIT_WORK(&priv->cmd_work, lbtf_cmd_work); INIT_WORK(&priv->tx_work, lbtf_tx_work); + + if (priv->ops->hw_prog_firmware(priv)) { + lbtf_deb_usbd(dmdev, "Error programming the firmware\n"); + priv->ops->hw_reset_device(priv); + goto err_init_adapter; + } + + eth_broadcast_addr(priv->current_addr); + if (lbtf_update_hw_spec(priv)) + goto err_init_adapter; + + if (priv->fwrelease < LBTF_FW_VER_MIN || + priv->fwrelease > LBTF_FW_VER_MAX) { + goto err_init_adapter; + } + + /* The firmware seems to start with the radio enabled. Turn it + * off before an actual mac80211 start callback is invoked. + */ + lbtf_set_radio_control(priv); + if (ieee80211_register_hw(hw)) goto err_init_adapter; + dev_info(dmdev, "libertastf: Marvell WLAN 802.11 thinfirm adapter\n"); goto done; err_init_adapter: @@ -676,7 +649,7 @@ int lbtf_remove_card(struct lbtf_private *priv) ieee80211_unregister_hw(hw); ieee80211_free_hw(hw); - lbtf_deb_leave(LBTF_DEB_MAIN); + lbtf_deb_leave(LBTF_DEB_MAIN); return 0; } EXPORT_SYMBOL_GPL(lbtf_remove_card); |