headers: remove sched.h from interrupt.h
[safe/jmp/linux-2.6] / drivers / net / wireless / iwlwifi / iwl-hcmd.c
index 17d61ac..a6856da 100644 (file)
@@ -28,6 +28,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <net/mac80211.h>
 
 #include "iwl-dev.h" /* FIXME: remove */
@@ -36,8 +37,6 @@
 #include "iwl-core.h"
 
 
-#define IWL_CMD(x) case x: return #x
-
 const char *get_cmd_string(u8 cmd)
 {
        switch (cmd) {
@@ -103,22 +102,23 @@ EXPORT_SYMBOL(get_cmd_string);
 
 #define HOST_COMPLETE_TIMEOUT (HZ / 2)
 
-static int iwl_generic_cmd_callback(struct iwl_priv *priv,
-                                   struct iwl_cmd *cmd, struct sk_buff *skb)
+static void iwl_generic_cmd_callback(struct iwl_priv *priv,
+                                    struct iwl_device_cmd *cmd,
+                                    struct sk_buff *skb)
 {
        struct iwl_rx_packet *pkt = NULL;
 
        if (!skb) {
                IWL_ERR(priv, "Error: Response NULL in %s.\n",
                                get_cmd_string(cmd->hdr.cmd));
-               return 1;
+               return;
        }
 
        pkt = (struct iwl_rx_packet *)skb->data;
        if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
                IWL_ERR(priv, "Bad return from %s (0x%08X)\n",
                        get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
-               return 1;
+               return;
        }
 
 #ifdef CONFIG_IWLWIFI_DEBUG
@@ -127,29 +127,26 @@ static int iwl_generic_cmd_callback(struct iwl_priv *priv,
        case SENSITIVITY_CMD:
                IWL_DEBUG_HC_DUMP(priv, "back from %s (0x%08X)\n",
                                get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
-                               break;
+               break;
        default:
                IWL_DEBUG_HC(priv, "back from %s (0x%08X)\n",
                                get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
        }
 #endif
-
-       /* Let iwl_tx_complete free the response skb */
-       return 1;
 }
 
 static int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 {
        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;
@@ -168,10 +165,10 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
        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,
@@ -183,9 +180,6 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 
        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;
@@ -222,7 +216,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
                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;
@@ -233,20 +227,20 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
        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);
@@ -256,7 +250,7 @@ EXPORT_SYMBOL(iwl_send_cmd_sync);
 
 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);
@@ -277,9 +271,9 @@ EXPORT_SYMBOL(iwl_send_cmd_pdu);
 
 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 sk_buff *skb))
+                          void (*callback)(struct iwl_priv *priv,
+                                           struct iwl_device_cmd *cmd,
+                                           struct sk_buff *skb))
 {
        struct iwl_host_cmd cmd = {
                .id = id,
@@ -287,8 +281,8 @@ int iwl_send_cmd_pdu_async(struct iwl_priv *priv,
                .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);
 }