[15.4] Fix payload offset calculation

tyler-potyondy · tyler-potyondy · commit 3813558cac29 · 2025-01-03T14:27:21.000-08:00
Prior payload offset calculation did not account for the 3 metadata
bytes.
diff --git a/libtock/net/ieee802154.c b/libtock/net/ieee802154.c
@@ -436,7 +436,7 @@ int libtock_ieee802154_frame_get_length(const uint8_t* frame) {
 
 int libtock_ieee802154_frame_get_payload_offset(const uint8_t* frame) {
   if (!frame) return 0;
-  return frame[0];
+  return frame[0] + libtock_ieee802154_FRAME_META_LEN;
 }
 
 int libtock_ieee802154_frame_get_payload_length(const uint8_t* frame) {

Original file line number	Diff line number	Diff line change
`@@ -436,7 +436,7 @@ int libtock_ieee802154_frame_get_length(const uint8_t* frame) {`
`436`	`436`
`437`	`437`	`int libtock_ieee802154_frame_get_payload_offset(const uint8_t* frame) {`
`438`	`438`	`if (!frame) return 0;`
`439`		`- return frame[0];`
	`439`	`+ return frame[0] + libtock_ieee802154_FRAME_META_LEN;`
`440`	`440`	`}`
`441`	`441`
`442`	`442`	`int libtock_ieee802154_frame_get_payload_length(const uint8_t* frame) {`