Add a default of 'incapable' for 802.1AS mode.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>master
parent
ad8a197a0b
commit
ea833f3d6b
26
port.c
26
port.c
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@ -36,6 +36,7 @@
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#include "tmv.h"
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#include "util.h"
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#define ALLOWED_LOST_RESPONSES 3
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#define PORT_MAVE_LENGTH 10
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struct nrate_estimator {
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@ -69,6 +70,7 @@ struct port {
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struct mave *avg_delay;
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int log_sync_interval;
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struct nrate_estimator nrate;
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unsigned int pdr_missing;
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/* portDS */
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struct port_defaults pod;
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struct PortIdentity portIdentity;
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@ -90,6 +92,9 @@ struct port {
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#define NSEC2SEC 1000000000LL
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static int port_capable(struct port *p);
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static int port_is_ieee8021as(struct port *p);
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static int announce_compare(struct ptp_message *m1, struct ptp_message *m2)
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{
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struct announce_msg *a = &m1->announce, *b = &m2->announce;
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@ -314,7 +319,12 @@ static void free_foreign_masters(struct port *p)
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static int incapable_ignore(struct port *p, struct ptp_message *m)
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{
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/* For now, we are always capable. */
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if (port_capable(p)) {
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return 0;
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}
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if (msg_type(m) == ANNOUNCE || msg_type(m) == SYNC) {
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return 1;
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}
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return 0;
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}
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@ -366,7 +376,16 @@ static int path_trace_ignore(struct port *p, struct ptp_message *m)
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static int port_capable(struct port *p)
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{
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/* For now, we are always capable. */
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if (!port_is_ieee8021as(p)) {
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/* Normal 1588 ports are always capable. */
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return 1;
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}
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/*
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* TODO - Compare p->peer_delay with neighborPropDelayThresh.
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*/
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if (p->pdr_missing > ALLOWED_LOST_RESPONSES) {
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return 0;
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}
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return 1;
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}
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@ -505,6 +524,9 @@ static void port_nrate_initialize(struct port *p)
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if (shift < 0)
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shift = 0;
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/* We start in the 'incapable' state. */
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p->pdr_missing = ALLOWED_LOST_RESPONSES + 1;
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p->nrate.origin1 = tmv_zero();
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p->nrate.ingress1 = tmv_zero();
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p->nrate.max_count = (1 << shift);
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