Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-agn.c
index 003d524..08e3cae 100644 (file)
@@ -102,70 +102,6 @@ void iwl_update_chain_flags(struct iwl_priv *priv)
        }
 }
 
-static void iwl_clear_free_frames(struct iwl_priv *priv)
-{
-       struct list_head *element;
-
-       IWL_DEBUG_INFO(priv, "%d frames on pre-allocated heap on clear.\n",
-                      priv->frames_count);
-
-       while (!list_empty(&priv->free_frames)) {
-               element = priv->free_frames.next;
-               list_del(element);
-               kfree(list_entry(element, struct iwl_frame, list));
-               priv->frames_count--;
-       }
-
-       if (priv->frames_count) {
-               IWL_WARN(priv, "%d frames still in use.  Did we lose one?\n",
-                           priv->frames_count);
-               priv->frames_count = 0;
-       }
-}
-
-static struct iwl_frame *iwl_get_free_frame(struct iwl_priv *priv)
-{
-       struct iwl_frame *frame;
-       struct list_head *element;
-       if (list_empty(&priv->free_frames)) {
-               frame = kzalloc(sizeof(*frame), GFP_KERNEL);
-               if (!frame) {
-                       IWL_ERR(priv, "Could not allocate frame!\n");
-                       return NULL;
-               }
-
-               priv->frames_count++;
-               return frame;
-       }
-
-       element = priv->free_frames.next;
-       list_del(element);
-       return list_entry(element, struct iwl_frame, list);
-}
-
-static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
-{
-       memset(frame, 0, sizeof(*frame));
-       list_add(&frame->list, &priv->free_frames);
-}
-
-static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
-                                struct ieee80211_hdr *hdr,
-                                int left)
-{
-       lockdep_assert_held(&priv->mutex);
-
-       if (!priv->beacon_skb)
-               return 0;
-
-       if (priv->beacon_skb->len > left)
-               return 0;
-
-       memcpy(hdr, priv->beacon_skb->data, priv->beacon_skb->len);
-
-       return priv->beacon_skb->len;
-}
-
 /* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
 static void iwl_set_beacon_tim(struct iwl_priv *priv,
                               struct iwl_tx_beacon_cmd *tx_beacon_cmd,
@@ -193,13 +129,18 @@ static void iwl_set_beacon_tim(struct iwl_priv *priv,
                IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
 }
 
-static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
-                                      struct iwl_frame *frame)
+int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
 {
        struct iwl_tx_beacon_cmd *tx_beacon_cmd;
+       struct iwl_host_cmd cmd = {
+               .id = REPLY_TX_BEACON,
+               .flags = CMD_SIZE_HUGE,
+       };
        u32 frame_size;
        u32 rate_flags;
        u32 rate;
+       int err;
+
        /*
         * We have to set up the TX command, the TX Beacon command, and the
         * beacon contents.
@@ -212,17 +153,19 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
                return 0;
        }
 
-       /* Initialize memory */
-       tx_beacon_cmd = &frame->u.beacon;
-       memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
+       if (WARN_ON(!priv->beacon_skb))
+               return -EINVAL;
+
+       /* Allocate beacon memory */
+       tx_beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd) + priv->beacon_skb->len,
+                               GFP_KERNEL);
+       if (!tx_beacon_cmd)
+               return -ENOMEM;
+
+       frame_size = priv->beacon_skb->len;
 
        /* Set up TX beacon contents */
-       frame_size = iwl_fill_beacon_frame(priv, tx_beacon_cmd->frame,
-                               sizeof(frame->u) - sizeof(*tx_beacon_cmd));
-       if (WARN_ON_ONCE(frame_size > MAX_MPDU_SIZE))
-               return 0;
-       if (!frame_size)
-               return 0;
+       memcpy(tx_beacon_cmd->frame, priv->beacon_skb->data, frame_size);
 
        /* Set up TX command fields */
        tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
@@ -245,41 +188,16 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
        tx_beacon_cmd->tx.rate_n_flags = iwl_hw_set_rate_n_flags(rate,
                        rate_flags);
 
-       return sizeof(*tx_beacon_cmd) + frame_size;
-}
-
-int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
-{
-       struct iwl_frame *frame;
-       unsigned int frame_size;
-       int rc;
-       struct iwl_host_cmd cmd = {
-               .id = REPLY_TX_BEACON,
-               .flags = CMD_SIZE_HUGE,
-       };
-
-       frame = iwl_get_free_frame(priv);
-       if (!frame) {
-               IWL_ERR(priv, "Could not obtain free frame buffer for beacon "
-                         "command.\n");
-               return -ENOMEM;
-       }
+       /* Submit command */
+       cmd.len = sizeof(*tx_beacon_cmd) + frame_size;
+       cmd.data = tx_beacon_cmd;
 
-       frame_size = iwl_hw_get_beacon_cmd(priv, frame);
-       if (!frame_size) {
-               IWL_ERR(priv, "Error configuring the beacon command\n");
-               iwl_free_frame(priv, frame);
-               return -EINVAL;
-       }
-
-       cmd.len = frame_size;
-       cmd.data = &frame->u.cmd[0];
+       err = iwl_send_cmd_sync(priv, &cmd);
 
-       rc = iwl_send_cmd_sync(priv, &cmd);
+       /* Free temporary storage */
+       kfree(tx_beacon_cmd);
 
-       iwl_free_frame(priv, frame);
-
-       return rc;
+       return err;
 }
 
 static inline dma_addr_t iwl_tfd_tb_get_addr(struct iwl_tfd *tfd, u8 idx)
@@ -776,6 +694,8 @@ static void iwl_rx_handle(struct iwl_priv *priv)
 
                        wake_up_all(&priv->_agn.notif_waitq);
                }
+               if (priv->pre_rx_handler)
+                       priv->pre_rx_handler(priv, rxb);
 
                /* Based on type of command response or notification,
                 *   handle those that need handling via function in
@@ -1846,7 +1766,7 @@ static const char *desc_lookup(u32 num)
        max = ARRAY_SIZE(advanced_lookup) - 1;
        for (i = 0; i < max; i++) {
                if (advanced_lookup[i].num == num)
-                       break;;
+                       break;
        }
        return advanced_lookup[i].name;
 }
@@ -2211,7 +2131,7 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
  *                   from protocol/runtime uCode (initialization uCode's
  *                   Alive gets handled by iwl_init_alive_start()).
  */
-static int iwl_alive_start(struct iwl_priv *priv)
+int iwl_alive_start(struct iwl_priv *priv)
 {
        int ret = 0;
        struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
@@ -2354,9 +2274,6 @@ static void __iwl_down(struct iwl_priv *priv)
 
        dev_kfree_skb(priv->beacon_skb);
        priv->beacon_skb = NULL;
-
-       /* clear out any free frames */
-       iwl_clear_free_frames(priv);
 }
 
 static void iwl_down(struct iwl_priv *priv)
@@ -3414,8 +3331,6 @@ static int iwl_init_drv(struct iwl_priv *priv)
        spin_lock_init(&priv->sta_lock);
        spin_lock_init(&priv->hcmd_lock);
 
-       INIT_LIST_HEAD(&priv->free_frames);
-
        mutex_init(&priv->mutex);
 
        priv->ieee_channels = NULL;
@@ -3507,6 +3422,7 @@ struct ieee80211_ops iwlagn_hw_ops = {
        .cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
        .offchannel_tx = iwl_mac_offchannel_tx,
        .offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait,
+       CFG80211_TESTMODE_CMD(iwl_testmode_cmd)
 };
 
 static u32 iwl_hw_detect(struct iwl_priv *priv)
@@ -3816,6 +3732,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
        iwl_setup_deferred_work(priv);
        iwl_setup_rx_handlers(priv);
+       iwl_testmode_init(priv);
 
        /*********************************************
         * 8. Enable interrupts and read RFKILL state