Add utilities for multicast send/receive of MTD images.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/mcast_image.h b/mcast_image.h
new file mode 100644
index 0000000..e2048b6
--- /dev/null
+++ b/mcast_image.h
@@ -0,0 +1,18 @@
+#include <stdint.h>
+
+#define PKT_SIZE 1400
+
+struct image_pkt_hdr {
+	uint32_t totcrc;
+	uint32_t nr_blocks;
+	uint32_t blocksize;
+	uint32_t block_nr;
+	uint32_t block_ofs;
+	uint32_t thislen;
+	uint32_t thiscrc;
+};
+
+struct image_pkt {
+	struct image_pkt_hdr hdr;
+	unsigned char data[PKT_SIZE];
+};