Change multicast protocol to allow for a resending flag

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

2 files changed, 2 insertions, 0 deletions

diff --git a/mcast_image.h b/mcast_image.h
index e2048b6..96aa752 100644
--- a/mcast_image.h
+++ b/mcast_image.h
@@ -3,6 +3,7 @@
 #define PKT_SIZE 1400
 
 struct image_pkt_hdr {
+	uint32_t resend;
 	uint32_t totcrc;
 	uint32_t nr_blocks;
 	uint32_t blocksize;
diff --git a/serve_image.c b/serve_image.c
index b016d63..b1875b1 100644
--- a/serve_image.c
+++ b/serve_image.c
@@ -111,6 +111,7 @@ int main(int argc, char **argv)
 
 	nr_blocks = st.st_size / erasesize;
 
+	pktbuf.hdr.resend = 0;
 	pktbuf.hdr.totcrc = htonl(crc32(-1, image, st.st_size));
 	pktbuf.hdr.nr_blocks = htonl(nr_blocks);
 	pktbuf.hdr.blocksize = htonl(erasesize);