msg_unpack_header(): receive packet length too

I'm adding generic dump code to the receive and send code paths, so I need the length of the incoming frame when first "unpacking" it, to dump the whole frame using code from tools/dump-funcs.c Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

msg_unpack_header(): receive packet length too
I'm adding generic dump code to the receive and send code paths, so I need the length of the incoming frame when first "unpacking" it, to dump the whole frame using code from tools/dump-funcs.c Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
c5608fbc · Alessandro Rubini · 590c65ec · c5608fbc · c5608fbc · c5608fbc
Commit c5608fbc authored Mar 13, 2013 by Alessandro Rubini
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Showing with 3 additions and 3 deletions

fsm.c fsm.c +1 -1

ppsi.h include/ppsi/ppsi.h +1 -1

msg.c proto-standard/msg.c +1 -1

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--- a/fsm.c
+++ b/fsm.c
@@ -87,7 +87,7 @@ int pp_state_machine(struct pp_instance *ppi, uint8_t *packet, int plen)
 	 */
 	if (plen) {
 		if (plen >= PP_HEADER_LENGTH)
-			err = msg_unpack_header(ppi, packet);
+			err = msg_unpack_header(ppi, packet, plen);
 		else
 			err = 1;
 		if (err) {

--- a/include/ppsi/ppsi.h
+++ b/include/ppsi/ppsi.h
@@ -241,7 +241,7 @@ extern int bmc(struct pp_instance *ppi);
 /* msg.c */
 extern void msg_pack_header(struct pp_instance *ppi, void *buf);
 extern int __attribute__((warn_unused_result))
-	msg_unpack_header(struct pp_instance *ppi, void *buf);
+	msg_unpack_header(struct pp_instance *ppi, void *buf, int plen);
 void *msg_copy_header(MsgHeader *dest, MsgHeader *src);
 extern void msg_pack_sync(struct pp_instance *ppi, Timestamp *orig_tstamp);
 extern void msg_unpack_sync(void *buf, MsgSync *sync);

--- a/proto-standard/msg.c
+++ b/proto-standard/msg.c
@@ -88,7 +88,7 @@ static void msg_display_announce(MsgAnnounce *announce)
 }

 /* Unpack header from in buffer to msg_tmp_header field */
-int msg_unpack_header(struct pp_instance *ppi, void *buf)
+int msg_unpack_header(struct pp_instance *ppi, void *buf, int plen)
 {
 	MsgHeader *hdr = &ppi->received_ptp_header;