Ignore FF padding in mstpcap (#120)

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
2020-09-17 09:59:48 -05:00
parent 5c2f198fd8
commit cbaa106c59
1 changed files with 5 additions and 1 deletions
@@ -1158,7 +1158,11 @@ int main(int argc, char *argv[])
            packet_count++;
        } else if (mstp_port->receive_state == MSTP_RECEIVE_STATE_IDLE) {
            if (MSTP_Receive_State == MSTP_RECEIVE_STATE_IDLE) {
-                if (mstp_port->EventCount) {
+                if ((mstp_port->EventCount == 1) &&
+                    (mstp_port->DataRegister == 0xFF)) {
+                    /* 0xFF padding at end of message is allowed */
+                    mstp_structure_init(mstp_port);
+                } else if (mstp_port->EventCount > 1) {
                    write_received_packet(mstp_port, 1);
                    mstp_structure_init(mstp_port);
                    Invalid_Frame_Count++;