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53 lines
1014 B
C
53 lines
1014 B
C
/*
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* Copyright (C) 2011 CERN (www.cern.ch)
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* Author: Aurelio Colosimo
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* Based on PTPd project v. 2.1.0 (see AUTHORS for details)
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*
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* Released according to the GNU LGPL, version 2.1 or any later version.
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*/
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#include <ppsi/ppsi.h>
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#include "common-fun.h"
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int pp_passive(struct pp_instance *ppi, unsigned char *pkt, int plen)
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{
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int e = 0; /* error var, to check errors in msg handling */
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if (ppi->is_new_state)
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pp_timeout_restart_annrec(ppi);
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if (plen == 0)
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goto no_incoming_msg;
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switch (ppi->received_ptp_header.messageType) {
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case PPM_ANNOUNCE:
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e = st_com_master_handle_announce(ppi, pkt, plen);
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break;
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case PPM_SYNC:
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e = st_com_master_handle_sync(ppi, pkt, plen);
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break;
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default:
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/* disreguard, nothing to do */
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break;
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}
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no_incoming_msg:
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if (e == 0)
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e = st_com_execute_slave(ppi);
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if (e != 0)
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ppi->next_state = PPS_FAULTY;
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if (ppi->next_state != ppi->state) {
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pp_timeout_clr(ppi, PP_TO_ANN_RECEIPT);
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}
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ppi->next_delay = PP_DEFAULT_NEXT_DELAY_MS;
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return 0;
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}
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