From 1d16d4ac4ee595eac86612c2183b540c338cbc18 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Mon, 2 Oct 2017 19:17:16 -0500
Subject: [PATCH] mbim: Add header & body accessors for mbim-message

---
 drivers/mbimmodem/mbim-message.c | 21 +++++++++++++++++++++
 drivers/mbimmodem/mbim-private.h |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/drivers/mbimmodem/mbim-message.c b/drivers/mbimmodem/mbim-message.c
index 4db0324f..9d6b99de 100644
--- a/drivers/mbimmodem/mbim-message.c
+++ b/drivers/mbimmodem/mbim-message.c
@@ -1351,3 +1351,24 @@ bool mbim_message_set_arguments(struct mbim_message *message,
 
 	return result;
 }
+
+void *_mbim_message_get_header(struct mbim_message *message, size_t *out_len)
+{
+	if (out_len)
+		*out_len = HEADER_SIZE;
+
+	return message->header;
+}
+
+struct iovec *_mbim_message_get_body(struct mbim_message *message,
+					size_t *out_n_iov, size_t *out_len)
+{
+	if (out_len)
+		*out_len = message->info_buf_len;
+
+	if (out_n_iov)
+		*out_n_iov = message->info_buf_len ? message->n_frags :
+							message->n_frags - 1;
+
+	return message->frags;
+}
diff --git a/drivers/mbimmodem/mbim-private.h b/drivers/mbimmodem/mbim-private.h
index 72f7a879..e1592355 100644
--- a/drivers/mbimmodem/mbim-private.h
+++ b/drivers/mbimmodem/mbim-private.h
@@ -54,3 +54,6 @@ struct mbim_message *_mbim_message_new_command_done(const uint8_t *uuid,
 uint32_t _mbim_information_buffer_offset(uint32_t type);
 void _mbim_message_set_tid(struct mbim_message *message, uint32_t tid);
 void *_mbim_message_to_bytearray(struct mbim_message *message, size_t *out_len);
+void *_mbim_message_get_header(struct mbim_message *message, size_t *out_len);
+struct iovec *_mbim_message_get_body(struct mbim_message *message,
+					size_t *out_n_iov, size_t *out_len);