deeacbcdf3
Enhanced phc2sys to support multiple PTP timing clock sources, to select the best clock source available according to the clocks statuses. A series of changes were patched back from a newer version of the linuxptp package. They contain the support for multiple pmc nodes, necessary to communicate with multiple ptp4l instances. The phc2sys is now able to automatically select the best clock according to the clocks statuses, and also monitors any clock status change and act to keep the system synchronized to the best clock source available. A new set of configuration options were added to control the behavior of the automatic clock selection algorithm and to configure the clock source interfaces. And a new command interface was added to phc2sys to gather statuses about the clocks configured and the HA algorithm. This interface also provides commands to control the clock source selection for debug and maintenance proposes. Test plan: PASS: Verify the linuxptp package is built containing all the patches. PASS: Verify the .deb package produced in the build install and that all the PTP different deployments new and existing are OK. PASS: Verify that a new image containing the linuxptp packed can be installed and that all the PTP different deployments new and existing are OK. Story: 2010723 Task: 48642 Change-Id: Ic8c4d9bd335c582a91f1f4418947a81fc5e8b4f9 Signed-off-by: Andre Mauricio Zelak <andre.zelak@windriver.com>
79 lines
2.6 KiB
Diff
79 lines
2.6 KiB
Diff
From 1779482f39e6513995b13fdbd350f7aee8495b7e Mon Sep 17 00:00:00 2001
|
|
Message-Id: <1779482f39e6513995b13fdbd350f7aee8495b7e.1630418391.git.Jim.Somerville@windriver.com>
|
|
In-Reply-To: <0389752e3aecf8d2b2743f16ce1408a58088bea9.1630418391.git.Jim.Somerville@windriver.com>
|
|
References: <0389752e3aecf8d2b2743f16ce1408a58088bea9.1630418391.git.Jim.Somerville@windriver.com>
|
|
From: Miroslav Lichvar <mlichvar@redhat.com>
|
|
Date: Mon, 31 May 2021 11:07:53 +0200
|
|
Subject: [PATCH 2/47] clock: Reset clock check on best clock/port change.
|
|
|
|
Reset the clock check when the best clock or port changes, together with
|
|
the other state like current estimated delay and frequency. This avoids
|
|
false positives if the clock is controlled by an external process when
|
|
not synchronized by PTP (e.g. phc2sys -rr).
|
|
|
|
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
|
|
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
|
|
[commit 262a49b07eaccc0f0237e3cd4df01b185b8f664f upstream]
|
|
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
|
|
---
|
|
clock.c | 2 ++
|
|
clockcheck.c | 9 ++++++++-
|
|
clockcheck.h | 6 ++++++
|
|
3 files changed, 16 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/clock.c b/clock.c
|
|
index d955710..49bd4a9 100644
|
|
--- a/clock.c
|
|
+++ b/clock.c
|
|
@@ -1911,6 +1911,8 @@ static void handle_state_decision_event(struct clock *c)
|
|
|
|
if (!cid_eq(&best_id, &c->best_id) || best != c->best) {
|
|
clock_freq_est_reset(c);
|
|
+ if (c->sanity_check)
|
|
+ clockcheck_reset(c->sanity_check);
|
|
tsproc_reset(c->tsproc, 1);
|
|
if (!tmv_is_zero(c->initial_delay))
|
|
tsproc_set_delay(c->tsproc, c->initial_delay);
|
|
diff --git a/clockcheck.c b/clockcheck.c
|
|
index d48a578..d0b4714 100644
|
|
--- a/clockcheck.c
|
|
+++ b/clockcheck.c
|
|
@@ -47,9 +47,16 @@ struct clockcheck *clockcheck_create(int freq_limit)
|
|
if (!cc)
|
|
return NULL;
|
|
cc->freq_limit = freq_limit;
|
|
+ clockcheck_reset(cc);
|
|
+ return cc;
|
|
+}
|
|
+
|
|
+void clockcheck_reset(struct clockcheck *cc)
|
|
+{
|
|
+ cc->freq_known = 0;
|
|
cc->max_freq = -CHECK_MAX_FREQ;
|
|
cc->min_freq = CHECK_MAX_FREQ;
|
|
- return cc;
|
|
+ cc->last_ts = 0;
|
|
}
|
|
|
|
int clockcheck_sample(struct clockcheck *cc, uint64_t ts)
|
|
diff --git a/clockcheck.h b/clockcheck.h
|
|
index 78aca48..1ff86eb 100644
|
|
--- a/clockcheck.h
|
|
+++ b/clockcheck.h
|
|
@@ -33,6 +33,12 @@ struct clockcheck;
|
|
*/
|
|
struct clockcheck *clockcheck_create(int freq_limit);
|
|
|
|
+/**
|
|
+ * Reset a clock check.
|
|
+ * @param cc Pointer to a clock check obtained via @ref clockcheck_create().
|
|
+ */
|
|
+void clockcheck_reset(struct clockcheck *cc);
|
|
+
|
|
/**
|
|
* Perform the sanity check on a time stamp.
|
|
* @param cc Pointer to a clock check obtained via @ref clockcheck_create().
|
|
--
|
|
2.29.2
|
|
|