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phc2sys: automatic mode: synchronize all non-slave ports. 

When running a "jbod" Boundary Clock, as long as we have one slaved port,
we always want the clocks on the other ports to be synchronized, regardless
of their port state.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Jiri Benc <jbenc@redhat.com>
master
Richard Cochran 2014-11-05 22:55:02 +01:00
parent e706f48981
commit e1ea4ea810
1 changed files with 33 additions and 7 deletions
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40
phc2sys.c
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@ -313,14 +313,23 @@ static void reconfigure(struct node *node)
c->new_state = 0;
}
if (c->state == PS_SLAVE) {
src = c;
src_cnt++;
} else if (c->state == PS_UNCALIBRATED) {
src_cnt++;
} else if (c->state == PS_MASTER) {
switch (c->state) {
case PS_FAULTY:
case PS_DISABLED:
case PS_LISTENING:
case PS_PRE_MASTER:
case PS_MASTER:
case PS_PASSIVE:
pr_info("selecting %s for synchronization", c->device);
dst_cnt++;
break;
case PS_UNCALIBRATED:
src_cnt++;
break;
case PS_SLAVE:
src = c;
src_cnt++;
break;
}
}
if (src_cnt > 1) {
@ -562,6 +571,23 @@ static int do_pps_loop(struct node *node, struct clock *clock, int fd)
return 0;
}
static int update_needed(struct clock *c)
{
switch (c->state) {
case PS_FAULTY:
case PS_DISABLED:
case PS_LISTENING:
case PS_PRE_MASTER:
case PS_MASTER:
case PS_PASSIVE:
return 1;
case PS_UNCALIBRATED:
case PS_SLAVE:
break;
}
return 0;
}
static int do_loop(struct node *node, int subscriptions)
{
struct timespec interval;
@ -593,7 +619,7 @@ static int do_loop(struct node *node, int subscriptions)
continue;
LIST_FOREACH(clock, &node->clocks, list) {
if (clock->state != PS_MASTER)
if (!update_needed(clock))
continue;
if (clock->clkid == CLOCK_REALTIME &&