iwlwifi: split fw-error-dump between transport and mvm

[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-trans.h

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 34d49e171fb4dae1f10928c931c26dc93a414e67..656371a668daa5e2325e45fe0b576fc3e13bd307 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -394,6 +394,11 @@ struct iwl_trans_config {
        const char *const *command_names;
 };
 
+struct iwl_trans_dump_data {
+       u32 len;
+       u8 data[];
+};
+
 struct iwl_trans;
 
 /**
@@ -461,10 +466,8 @@ struct iwl_trans;
  * @unref: release a reference previously taken with @ref. Note that
  *     initially the reference count is 1, making an initial @unref
  *     necessary to allow low power states.
- * @dump_data: fill a data dump with debug data, maybe containing last
- *     TX'ed commands and similar. When called with a NULL buffer and
- *     zero buffer length, provide only the (estimated) required buffer
- *     length. Return the used buffer length.
+ * @dump_data: return a vmalloc'ed buffer with debug data, maybe containing last
+ *     TX'ed commands and similar. The buffer will be vfree'd by the caller.
  *     Note that the transport must fill in the proper file headers.
  */
 struct iwl_trans_ops {
@@ -518,7 +521,7 @@ struct iwl_trans_ops {
        void (*unref)(struct iwl_trans *trans);
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-       u32 (*dump_data)(struct iwl_trans *trans, void *buf, u32 buflen);
+       struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans);
 #endif
 };
 
@@ -685,12 +688,12 @@ static inline void iwl_trans_unref(struct iwl_trans *trans)
 }
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
-static inline u32 iwl_trans_dump_data(struct iwl_trans *trans,
-                                     void *buf, u32 buflen)
+static inline struct iwl_trans_dump_data *
+iwl_trans_dump_data(struct iwl_trans *trans)
 {
        if (!trans->ops->dump_data)
-               return 0;
-       return trans->ops->dump_data(trans, buf, buflen);
+               return NULL;
+       return trans->ops->dump_data(trans);
 }
 #endif