#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)
 
 static int iwl3945_led_cmd_callback(struct iwl_priv *priv,
-                                   struct iwl_cmd *cmd,
+                                   struct iwl_device_cmd *cmd,
                                    struct sk_buff *skb)
 {
        return 1;
                .id = REPLY_LEDS_CMD,
                .len = sizeof(struct iwl_led_cmd),
                .data = led_cmd,
-               .meta.flags = CMD_ASYNC,
-               .meta.u.callback = iwl3945_led_cmd_callback,
+               .flags = CMD_ASYNC,
+               .callback = iwl3945_led_cmd_callback,
        };
 
        return iwl_send_cmd(priv, &cmd);
 
        /* Unmap tx_cmd */
        if (counter)
                pci_unmap_single(dev,
-                               pci_unmap_addr(&txq->cmd[index]->meta, mapping),
-                               pci_unmap_len(&txq->cmd[index]->meta, len),
+                               pci_unmap_addr(&txq->meta[index], mapping),
+                               pci_unmap_len(&txq->meta[index], len),
                                PCI_DMA_TODEVICE);
 
        /* unmap chunks if any */
  * iwl3945_hw_build_tx_cmd_rate - Add rate portion to TX_CMD:
  *
 */
-void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_cmd *cmd,
-                             struct ieee80211_tx_info *info,
-                             struct ieee80211_hdr *hdr, int sta_id, int tx_id)
+void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
+                                 struct iwl_device_cmd *cmd,
+                                 struct ieee80211_tx_info *info,
+                                 struct ieee80211_hdr *hdr,
+                                 int sta_id, int tx_id)
 {
        u16 hw_value = ieee80211_get_tx_rate(priv->hw, info)->hw_value;
        u16 rate_index = min(hw_value & 0xffff, IWL_RATE_COUNT - 1);
        struct iwl_host_cmd cmd = {
                .id = REPLY_RXON_ASSOC,
                .len = sizeof(rxon_assoc),
-               .meta.flags = CMD_WANT_SKB,
+               .flags = CMD_WANT_SKB,
                .data = &rxon_assoc,
        };
        const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
        if (rc)
                return rc;
 
-       res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+       res = (struct iwl_rx_packet *)cmd.reply_skb->data;
        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
                IWL_ERR(priv, "Bad return from REPLY_RXON_ASSOC command\n");
                rc = -EIO;
        }
 
        priv->alloc_rxb_skb--;
-       dev_kfree_skb_any(cmd.meta.u.skb);
+       dev_kfree_skb_any(cmd.reply_skb);
 
        return rc;
 }
 
                                struct iwl_tx_queue *txq);
 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
                                 struct iwl3945_frame *frame, u8 rate);
-void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_cmd *cmd,
-                                    struct ieee80211_tx_info *info,
-                                    struct ieee80211_hdr *hdr,
-                                    int sta_id, int tx_id);
+void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
+                                 struct iwl_device_cmd *cmd,
+                                 struct ieee80211_tx_info *info,
+                                 struct ieee80211_hdr *hdr,
+                                 int sta_id, int tx_id);
 extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv);
 extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
 extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv,
 
        /* Unmap tx_cmd */
        if (num_tbs)
                pci_unmap_single(dev,
-                               pci_unmap_addr(&txq->cmd[index]->meta, mapping),
-                               pci_unmap_len(&txq->cmd[index]->meta, len),
+                               pci_unmap_addr(&txq->meta[index], mapping),
+                               pci_unmap_len(&txq->meta[index], len),
                                PCI_DMA_BIDIRECTIONAL);
 
        /* Unmap chunks, if any. */
 
 
        struct iwl_host_cmd hcmd = {
                .id = REPLY_PHY_CALIBRATION_CMD,
-               .meta.flags = CMD_SIZE_HUGE,
+               .flags = CMD_SIZE_HUGE,
        };
 
        for (i = 0; i < IWL_CALIB_MAX; i++) {
        struct iwl_host_cmd cmd_out = {
                .id = SENSITIVITY_CMD,
                .len = sizeof(struct iwl_sensitivity_cmd),
-               .meta.flags = CMD_ASYNC,
+               .flags = CMD_ASYNC,
                .data = &cmd,
        };
 
 
        u32 stat_flags = 0;
        struct iwl_host_cmd cmd = {
                .id = REPLY_STATISTICS_CMD,
-               .meta.flags = flags,
+               .flags = flags,
                .len = sizeof(stat_flags),
                .data = (u8 *) &stat_flags,
        };
                .id = REPLY_CARD_STATE_CMD,
                .len = sizeof(u32),
                .data = &flags,
-               .meta.flags = meta_flag,
+               .flags = meta_flag,
        };
 
        return iwl_send_cmd(priv, &cmd);
 
 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
                           const void *data,
                           int (*callback)(struct iwl_priv *priv,
-                                          struct iwl_cmd *cmd,
+                                          struct iwl_device_cmd *cmd,
                                           struct sk_buff *skb));
 
 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
 
        struct list_head list;
 };
 
+/* defined below */
+struct iwl_device_cmd;
+
+struct iwl_cmd_meta {
+       /* only for SYNC commands, iff the reply skb is wanted */
+       struct iwl_host_cmd *source;
+       /*
+        * only for ASYNC commands
+        * (which is somewhat stupid -- look at iwl-sta.c for instance
+        * which duplicates a bunch of code because the callback isn't
+        * invoked for SYNC commands, if it were and its result passed
+        * through it would be simpler...)
+        */
+       int (*callback)(struct iwl_priv *priv,
+                       struct iwl_device_cmd *cmd,
+                       struct sk_buff *skb);
+
+       /* The CMD_SIZE_HUGE flag bit indicates that the command
+        * structure is stored at the end of the shared queue memory. */
+       u32 flags;
+
+       DECLARE_PCI_UNMAP_ADDR(mapping)
+       DECLARE_PCI_UNMAP_LEN(len)
+};
+
 /*
  * Generic queue structure
  *
  * struct iwl_tx_queue - Tx Queue for DMA
  * @q: generic Rx/Tx queue descriptor
  * @bd: base of circular buffer of TFDs
- * @cmd: array of command/Tx buffers
+ * @cmd: array of command/TX buffer pointers
+ * @meta: array of meta data for each command/tx buffer
  * @dma_addr_cmd: physical address of cmd/tx buffer array
  * @txb: array of per-TFD driver data
  * @need_update: indicates need to update read/write index
 struct iwl_tx_queue {
        struct iwl_queue q;
        void *tfds;
-       struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
+       struct iwl_device_cmd **cmd;
+       struct iwl_cmd_meta *meta;
        struct iwl_tx_info *txb;
        u8 need_update;
        u8 sched_retry;
        CMD_WANT_SKB = (1 << 2),
 };
 
-struct iwl_cmd;
-struct iwl_priv;
-
-struct iwl_cmd_meta {
-       struct iwl_cmd_meta *source;
-       union {
-               struct sk_buff *skb;
-               int (*callback)(struct iwl_priv *priv,
-                               struct iwl_cmd *cmd, struct sk_buff *skb);
-       } __attribute__ ((packed)) u;
-
-       /* The CMD_SIZE_HUGE flag bit indicates that the command
-        * structure is stored at the end of the shared queue memory. */
-       u32 flags;
-       DECLARE_PCI_UNMAP_ADDR(mapping)
-       DECLARE_PCI_UNMAP_LEN(len)
-} __attribute__ ((packed));
-
 #define IWL_CMD_MAX_PAYLOAD 320
 
 /**
- * struct iwl_cmd
+ * struct iwl_device_cmd
  *
  * For allocation of the command and tx queues, this establishes the overall
  * size of the largest command we send to uCode, except for a scan command
  * (which is relatively huge; space is allocated separately).
  */
-struct iwl_cmd {
-       struct iwl_cmd_meta meta;       /* driver data */
+struct iwl_device_cmd {
        struct iwl_cmd_header hdr;      /* uCode API */
        union {
                u32 flags;
        } __attribute__ ((packed)) cmd;
 } __attribute__ ((packed));
 
+#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
+
 
 struct iwl_host_cmd {
-       u8 id;
-       u16 len;
-       struct iwl_cmd_meta meta;
        const void *data;
+       struct sk_buff *reply_skb;
+       int (*callback)(struct iwl_priv *priv,
+                       struct iwl_device_cmd *cmd,
+                       struct sk_buff *skb);
+       u32 flags;
+       u16 len;
+       u8 id;
 };
 
-#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
-                             sizeof(struct iwl_cmd_meta))
-
 /*
  * RX related structures and functions
  */
 
 #define HOST_COMPLETE_TIMEOUT (HZ / 2)
 
 static int iwl_generic_cmd_callback(struct iwl_priv *priv,
-                                   struct iwl_cmd *cmd, struct sk_buff *skb)
+                                   struct iwl_device_cmd *cmd,
+                                   struct sk_buff *skb)
 {
        struct iwl_rx_packet *pkt = NULL;
 
 {
        int ret;
 
-       BUG_ON(!(cmd->meta.flags & CMD_ASYNC));
+       BUG_ON(!(cmd->flags & CMD_ASYNC));
 
        /* An asynchronous command can not expect an SKB to be set. */
-       BUG_ON(cmd->meta.flags & CMD_WANT_SKB);
+       BUG_ON(cmd->flags & CMD_WANT_SKB);
 
        /* Assign a generic callback if one is not provided */
-       if (!cmd->meta.u.callback)
-               cmd->meta.u.callback = iwl_generic_cmd_callback;
+       if (!cmd->callback)
+               cmd->callback = iwl_generic_cmd_callback;
 
        if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                return -EBUSY;
        int cmd_idx;
        int ret;
 
-       BUG_ON(cmd->meta.flags & CMD_ASYNC);
+       BUG_ON(cmd->flags & CMD_ASYNC);
 
         /* A synchronous command can not have a callback set. */
-       BUG_ON(cmd->meta.u.callback != NULL);
+       BUG_ON(cmd->callback);
 
        if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
                IWL_ERR(priv,
 
        set_bit(STATUS_HCMD_ACTIVE, &priv->status);
 
-       if (cmd->meta.flags & CMD_WANT_SKB)
-               cmd->meta.source = &cmd->meta;
-
        cmd_idx = iwl_enqueue_hcmd(priv, cmd);
        if (cmd_idx < 0) {
                ret = cmd_idx;
                ret = -EIO;
                goto fail;
        }
-       if ((cmd->meta.flags & CMD_WANT_SKB) && !cmd->meta.u.skb) {
+       if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_skb) {
                IWL_ERR(priv, "Error: Response NULL in '%s'\n",
                          get_cmd_string(cmd->id));
                ret = -EIO;
        goto out;
 
 cancel:
-       if (cmd->meta.flags & CMD_WANT_SKB) {
-               struct iwl_cmd *qcmd;
-
-               /* Cancel the CMD_WANT_SKB flag for the cmd in the
+       if (cmd->flags & CMD_WANT_SKB) {
+               /*
+                * Cancel the CMD_WANT_SKB flag for the cmd in the
                 * TX cmd queue. Otherwise in case the cmd comes
                 * in later, it will possibly set an invalid
-                * address (cmd->meta.source). */
-               qcmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_idx];
-               qcmd->meta.flags &= ~CMD_WANT_SKB;
+                * address (cmd->meta.source).
+                */
+               priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_idx].flags &=
+                                                       ~CMD_WANT_SKB;
        }
 fail:
-       if (cmd->meta.u.skb) {
-               dev_kfree_skb_any(cmd->meta.u.skb);
-               cmd->meta.u.skb = NULL;
+       if (cmd->reply_skb) {
+               dev_kfree_skb_any(cmd->reply_skb);
+               cmd->reply_skb = NULL;
        }
 out:
        clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
 
 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 {
-       if (cmd->meta.flags & CMD_ASYNC)
+       if (cmd->flags & CMD_ASYNC)
                return iwl_send_cmd_async(priv, cmd);
 
        return iwl_send_cmd_sync(priv, cmd);
 int iwl_send_cmd_pdu_async(struct iwl_priv *priv,
                           u8 id, u16 len, const void *data,
                           int (*callback)(struct iwl_priv *priv,
-                                          struct iwl_cmd *cmd,
+                                          struct iwl_device_cmd *cmd,
                                           struct sk_buff *skb))
 {
        struct iwl_host_cmd cmd = {
                .data = data,
        };
 
-       cmd.meta.flags |= CMD_ASYNC;
-       cmd.meta.u.callback = callback;
+       cmd.flags |= CMD_ASYNC;
+       cmd.callback = callback;
 
        return iwl_send_cmd_async(priv, &cmd);
 }
 
                .id = REPLY_LEDS_CMD,
                .len = sizeof(struct iwl_led_cmd),
                .data = led_cmd,
-               .meta.flags = CMD_ASYNC,
-               .meta.u.callback = NULL,
+               .flags = CMD_ASYNC,
+               .callback = NULL,
        };
        u32 reg;
 
 
        struct iwl_rx_packet *res;
        struct iwl_host_cmd cmd = {
                .id = REPLY_SCAN_ABORT_CMD,
-               .meta.flags = CMD_WANT_SKB,
+               .flags = CMD_WANT_SKB,
        };
 
        /* If there isn't a scan actively going on in the hardware
                return ret;
        }
 
-       res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+       res = (struct iwl_rx_packet *)cmd.reply_skb->data;
        if (res->u.status != CAN_ABORT_STATUS) {
                /* The scan abort will return 1 for success or
                 * 2 for "failure".  A failure condition can be
        }
 
        priv->alloc_rxb_skb--;
-       dev_kfree_skb_any(cmd.meta.u.skb);
+       dev_kfree_skb_any(cmd.reply_skb);
 
        return ret;
 }
        struct iwl_host_cmd cmd = {
                .id = REPLY_SCAN_CMD,
                .len = sizeof(struct iwl_scan_cmd),
-               .meta.flags = CMD_SIZE_HUGE,
+               .flags = CMD_SIZE_HUGE,
        };
        struct iwl_scan_cmd *scan;
        struct ieee80211_conf *conf = NULL;
 
 }
 
 static int iwl_add_sta_callback(struct iwl_priv *priv,
-                                  struct iwl_cmd *cmd, struct sk_buff *skb)
+                               struct iwl_device_cmd *cmd,
+                               struct sk_buff *skb)
 {
        struct iwl_rx_packet *res = NULL;
        struct iwl_addsta_cmd *addsta =
        u8 data[sizeof(*sta)];
        struct iwl_host_cmd cmd = {
                .id = REPLY_ADD_STA,
-               .meta.flags = flags,
+               .flags = flags,
                .data = data,
        };
 
        if (flags & CMD_ASYNC)
-               cmd.meta.u.callback = iwl_add_sta_callback;
+               cmd.callback = iwl_add_sta_callback;
        else
-               cmd.meta.flags |= CMD_WANT_SKB;
+               cmd.flags |= CMD_WANT_SKB;
 
        cmd.len = priv->cfg->ops->utils->build_addsta_hcmd(sta, data);
        ret = iwl_send_cmd(priv, &cmd);
        if (ret || (flags & CMD_ASYNC))
                return ret;
 
-       res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+       res = (struct iwl_rx_packet *)cmd.reply_skb->data;
        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
                IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n",
                          res->hdr.flags);
        }
 
        priv->alloc_rxb_skb--;
-       dev_kfree_skb_any(cmd.meta.u.skb);
+       dev_kfree_skb_any(cmd.reply_skb);
 
        return ret;
 }
 }
 
 static int iwl_remove_sta_callback(struct iwl_priv *priv,
-                                  struct iwl_cmd *cmd, struct sk_buff *skb)
+                                  struct iwl_device_cmd *cmd,
+                                  struct sk_buff *skb)
 {
        struct iwl_rx_packet *res = NULL;
        struct iwl_rem_sta_cmd *rm_sta =
        struct iwl_host_cmd cmd = {
                .id = REPLY_REMOVE_STA,
                .len = sizeof(struct iwl_rem_sta_cmd),
-               .meta.flags = flags,
+               .flags = flags,
                .data = &rm_sta_cmd,
        };
 
        memcpy(&rm_sta_cmd.addr, addr , ETH_ALEN);
 
        if (flags & CMD_ASYNC)
-               cmd.meta.u.callback = iwl_remove_sta_callback;
+               cmd.callback = iwl_remove_sta_callback;
        else
-               cmd.meta.flags |= CMD_WANT_SKB;
+               cmd.flags |= CMD_WANT_SKB;
        ret = iwl_send_cmd(priv, &cmd);
 
        if (ret || (flags & CMD_ASYNC))
                return ret;
 
-       res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+       res = (struct iwl_rx_packet *)cmd.reply_skb->data;
        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
                IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n",
                          res->hdr.flags);
        }
 
        priv->alloc_rxb_skb--;
-       dev_kfree_skb_any(cmd.meta.u.skb);
+       dev_kfree_skb_any(cmd.reply_skb);
 
        return ret;
 }
        struct iwl_host_cmd cmd = {
                .id = REPLY_WEPKEY,
                .data = wep_cmd,
-               .meta.flags = CMD_ASYNC,
+               .flags = CMD_ASYNC,
        };
 
        memset(wep_cmd, 0, cmd_size +
        struct iwl_host_cmd cmd = {
                .id = REPLY_TX_LINK_QUALITY_CMD,
                .len = sizeof(struct iwl_link_quality_cmd),
-               .meta.flags = flags,
+               .flags = flags,
                .data = lq,
        };
 
 
             q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd))
                priv->cfg->ops->lib->txq_free_tfd(priv, txq);
 
-       len = sizeof(struct iwl_cmd) * q->n_window;
+       len = sizeof(struct iwl_device_cmd) * q->n_window;
 
        /* De-alloc array of command/tx buffers */
        for (i = 0; i < TFD_TX_CMD_SLOTS; i++)
        kfree(txq->txb);
        txq->txb = NULL;
 
+       /* deallocate arrays */
+       kfree(txq->cmd);
+       kfree(txq->meta);
+       txq->cmd = NULL;
+       txq->meta = NULL;
+
        /* 0-fill queue descriptor structure */
        memset(txq, 0, sizeof(*txq));
 }
        if (q->n_bd == 0)
                return;
 
-       len = sizeof(struct iwl_cmd) * q->n_window;
+       len = sizeof(struct iwl_device_cmd) * q->n_window;
        len += IWL_MAX_SCAN_SIZE;
 
        /* De-alloc array of command/tx buffers */
 {
        int i, len;
        int ret;
+       int actual_slots = slots_num;
 
        /*
         * Alloc buffer array for commands (Tx or other types of commands).
         * For normal Tx queues (all other queues), no super-size command
         * space is needed.
         */
-       len = sizeof(struct iwl_cmd);
-       for (i = 0; i <= slots_num; i++) {
-               if (i == slots_num) {
-                       if (txq_id == IWL_CMD_QUEUE_NUM)
-                               len += IWL_MAX_SCAN_SIZE;
-                       else
-                               continue;
-               }
+       if (txq_id == IWL_CMD_QUEUE_NUM)
+               actual_slots++;
+
+       txq->meta = kzalloc(sizeof(struct iwl_cmd_meta) * actual_slots,
+                           GFP_KERNEL);
+       txq->cmd = kzalloc(sizeof(struct iwl_device_cmd *) * actual_slots,
+                          GFP_KERNEL);
+
+       if (!txq->meta || !txq->cmd)
+               goto out_free_arrays;
+
+       len = sizeof(struct iwl_device_cmd);
+       for (i = 0; i < actual_slots; i++) {
+               /* only happens for cmd queue */
+               if (i == slots_num)
+                       len += IWL_MAX_SCAN_SIZE;
 
                txq->cmd[i] = kmalloc(len, GFP_KERNEL);
                if (!txq->cmd[i])
 
        return 0;
 err:
-       for (i = 0; i < slots_num; i++) {
+       for (i = 0; i < actual_slots; i++)
                kfree(txq->cmd[i]);
-               txq->cmd[i] = NULL;
-       }
+out_free_arrays:
+       kfree(txq->meta);
+       kfree(txq->cmd);
 
-       if (txq_id == IWL_CMD_QUEUE_NUM) {
-               kfree(txq->cmd[slots_num]);
-               txq->cmd[slots_num] = NULL;
-       }
        return -ENOMEM;
 }
 EXPORT_SYMBOL(iwl_tx_queue_init);
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct iwl_tx_queue *txq;
        struct iwl_queue *q;
-       struct iwl_cmd *out_cmd;
+       struct iwl_device_cmd *out_cmd;
+       struct iwl_cmd_meta *out_meta;
        struct iwl_tx_cmd *tx_cmd;
        int swq_id, txq_id;
        dma_addr_t phys_addr;
 
        /* Set up first empty entry in queue's array of Tx/cmd buffers */
        out_cmd = txq->cmd[q->write_ptr];
+       out_meta = &txq->meta[q->write_ptr];
        tx_cmd = &out_cmd->cmd.tx;
        memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
        memset(tx_cmd, 0, sizeof(struct iwl_tx_cmd));
        txcmd_phys = pci_map_single(priv->pci_dev,
                                    &out_cmd->hdr, len,
                                    PCI_DMA_BIDIRECTIONAL);
-       pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys);
-       pci_unmap_len_set(&out_cmd->meta, len, len);
+       pci_unmap_addr_set(out_meta, mapping, txcmd_phys);
+       pci_unmap_len_set(out_meta, len, len);
        /* Add buffer containing Tx command and MAC(!) header to TFD's
         * first entry */
        priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
 {
        struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
        struct iwl_queue *q = &txq->q;
-       struct iwl_cmd *out_cmd;
+       struct iwl_device_cmd *out_cmd;
+       struct iwl_cmd_meta *out_meta;
        dma_addr_t phys_addr;
        unsigned long flags;
        int len, ret;
         * the TFD_MAX_PAYLOAD_SIZE, and it sent as a 'small' command then
         * we will need to increase the size of the TFD entries */
        BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
-              !(cmd->meta.flags & CMD_SIZE_HUGE));
+              !(cmd->flags & CMD_SIZE_HUGE));
 
        if (iwl_is_rfkill(priv)) {
                IWL_DEBUG_INFO(priv, "Not sending command - RF KILL\n");
                return -EIO;
        }
 
-       if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
+       if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) {
                IWL_ERR(priv, "No space for Tx\n");
                return -ENOSPC;
        }
 
        spin_lock_irqsave(&priv->hcmd_lock, flags);
 
-       idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE);
+       idx = get_cmd_index(q, q->write_ptr, cmd->flags & CMD_SIZE_HUGE);
        out_cmd = txq->cmd[idx];
+       out_meta = &txq->meta[idx];
+
+       out_meta->flags = cmd->flags;
+       if (cmd->flags & CMD_WANT_SKB)
+               out_meta->source = cmd;
+       if (cmd->flags & CMD_ASYNC)
+               out_meta->callback = cmd->callback;
 
        out_cmd->hdr.cmd = cmd->id;
-       memcpy(&out_cmd->meta, &cmd->meta, sizeof(cmd->meta));
        memcpy(&out_cmd->cmd.payload, cmd->data, cmd->len);
 
        /* At this point, the out_cmd now has all of the incoming cmd
        out_cmd->hdr.flags = 0;
        out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) |
                        INDEX_TO_SEQ(q->write_ptr));
-       if (out_cmd->meta.flags & CMD_SIZE_HUGE)
+       if (cmd->flags & CMD_SIZE_HUGE)
                out_cmd->hdr.sequence |= SEQ_HUGE_FRAME;
-       len = sizeof(struct iwl_cmd) - sizeof(struct iwl_cmd_meta);
+       len = sizeof(struct iwl_device_cmd);
        len += (idx == TFD_CMD_SLOTS) ?  IWL_MAX_SCAN_SIZE : 0;
 
 
 
        phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr,
                                   fix_size, PCI_DMA_BIDIRECTIONAL);
-       pci_unmap_addr_set(&out_cmd->meta, mapping, phys_addr);
-       pci_unmap_len_set(&out_cmd->meta, len, fix_size);
+       pci_unmap_addr_set(out_meta, mapping, phys_addr);
+       pci_unmap_len_set(out_meta, len, fix_size);
 
        priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq,
                                                   phys_addr, fix_size, 1,
        }
 
        pci_unmap_single(priv->pci_dev,
-               pci_unmap_addr(&txq->cmd[cmd_idx]->meta, mapping),
-               pci_unmap_len(&txq->cmd[cmd_idx]->meta, len),
+               pci_unmap_addr(&txq->meta[cmd_idx], mapping),
+               pci_unmap_len(&txq->meta[cmd_idx], len),
                PCI_DMA_BIDIRECTIONAL);
 
        for (idx = iwl_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx;
        int index = SEQ_TO_INDEX(sequence);
        int cmd_index;
        bool huge = !!(pkt->hdr.sequence & SEQ_HUGE_FRAME);
-       struct iwl_cmd *cmd;
+       struct iwl_device_cmd *cmd;
+       struct iwl_cmd_meta *meta;
 
        /* If a Tx command is being handled and it isn't in the actual
         * command queue then there a command routing bug has been introduced
 
        cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
        cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];
+       meta = &priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_index];
 
        /* Input error checking is done when commands are added to queue. */
-       if (cmd->meta.flags & CMD_WANT_SKB) {
-               cmd->meta.source->u.skb = rxb->skb;
+       if (meta->flags & CMD_WANT_SKB) {
+               meta->source->reply_skb = rxb->skb;
                rxb->skb = NULL;
-       } else if (cmd->meta.u.callback &&
-                  !cmd->meta.u.callback(priv, cmd, rxb->skb))
+       } else if (meta->callback && !meta->callback(priv, cmd, rxb->skb))
                rxb->skb = NULL;
 
        iwl_hcmd_queue_reclaim(priv, txq_id, index, cmd_index);
 
-       if (!(cmd->meta.flags & CMD_ASYNC)) {
+       if (!(meta->flags & CMD_ASYNC)) {
                clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
                wake_up_interruptible(&priv->wait_command_queue);
        }
 
 
 static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv,
                                      struct ieee80211_tx_info *info,
-                                     struct iwl_cmd *cmd,
+                                     struct iwl_device_cmd *cmd,
                                      struct sk_buff *skb_frag,
                                      int sta_id)
 {
  * handle build REPLY_TX command notification.
  */
 static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
-                                 struct iwl_cmd *cmd,
+                                 struct iwl_device_cmd *cmd,
                                  struct ieee80211_tx_info *info,
                                  struct ieee80211_hdr *hdr, u8 std_id)
 {
        struct iwl3945_tx_cmd *tx;
        struct iwl_tx_queue *txq = NULL;
        struct iwl_queue *q = NULL;
-       struct iwl_cmd *out_cmd = NULL;
+       struct iwl_device_cmd *out_cmd;
+       struct iwl_cmd_meta *out_meta;
        dma_addr_t phys_addr;
        dma_addr_t txcmd_phys;
        int txq_id = skb_get_queue_mapping(skb);
 
        /* Init first empty entry in queue's array of Tx/cmd buffers */
        out_cmd = txq->cmd[idx];
+       out_meta = &txq->meta[idx];
        tx = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload;
        memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
        memset(tx, 0, sizeof(*tx));
                                    len, PCI_DMA_TODEVICE);
        /* we do not map meta data ... so we can safely access address to
         * provide to unmap command*/
-       pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys);
-       pci_unmap_len_set(&out_cmd->meta, len, len);
+       pci_unmap_addr_set(out_meta, mapping, txcmd_phys);
+       pci_unmap_len_set(out_meta, len, len);
 
        /* Add buffer containing Tx command and MAC(!) header to TFD's
         * first entry */
        struct iwl_host_cmd cmd = {
                .id = REPLY_SPECTRUM_MEASUREMENT_CMD,
                .data = (void *)&spectrum,
-               .meta.flags = CMD_WANT_SKB,
+               .flags = CMD_WANT_SKB,
        };
        u32 add_time = le64_to_cpu(params->start_time);
        int rc;
        if (rc)
                return rc;
 
-       res = (struct iwl_rx_packet *)cmd.meta.u.skb->data;
+       res = (struct iwl_rx_packet *)cmd.reply_skb->data;
        if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
                IWL_ERR(priv, "Bad return from REPLY_RX_ON_ASSOC command\n");
                rc = -EIO;
                break;
        }
 
-       dev_kfree_skb_any(cmd.meta.u.skb);
+       dev_kfree_skb_any(cmd.reply_skb);
 
        return rc;
 }
        struct iwl_host_cmd cmd = {
                .id = REPLY_SCAN_CMD,
                .len = sizeof(struct iwl3945_scan_cmd),
-               .meta.flags = CMD_SIZE_HUGE,
+               .flags = CMD_SIZE_HUGE,
        };
        int rc = 0;
        struct iwl3945_scan_cmd *scan;