Files
integ/base/linuxptp/debian/patches/0001-clock-Reset-state-when-switching-port-with-same-best.patch
Andre Mauricio Zelak 600ad549b5 Use time traceable flag in HA clock selection
A new time traceable flag was added to pmc agent to store the current
time traceable status.

This flag replaces the utc_offset_traceable flag in the HA clock
selection algorithm and status command.

Test plan: HA clock selection algorithm
PASS: Verify the clock source which time isn't traceable is discarded
by the algorithm if ha_gm_timeTraceable is enabled.
PASS: Verify the clock source which time is traceable isn't discarded
by the algorithm if ha_gm_timeTraceable is enabled.

Regression: status command
PASS: Verify the response of status command shows the correct GM time
traceable.

The 'valid sources' command is used to get a list of interfaces which
the clock is matching the requirements. The response contains a space
separated list of interfaces, or "None" when not a single clock is
matching all the requirements.

Test plan: valid sources command
PASS: Verify that a space separated list of interface is returned when
one or more clocks match the requirements.
PASS: Verify that the string "None" is returned when not a single clock
match the requirements.

Now the GM time traceable check is enabled by default as it is an
important check for both T-GM and T-BC scenarios.

The GM time traceable check is controlled in configuration by using
the ha_gm_timeTraceable setting, and it can be disabled using the
value 0 (ha_gm_timeTraceable 0).

Test plan: default value
PASS Verify the check is performed by default.
PASS Verify the user can disable the check by configuration.

Bonus:

Fixed the behavior when none clock is matching the requirements and the
active clock source is disabled using the 'disable source <interface>'
command. The interface is must be disabled and a new clock source is
selected.

Test plan: none clock is matching the requirements
PASS: Verify that the active source can be disabled and a new one is
selected.
PASS: Verify that an attempt to disable the last active interface
fails and an appopriated message is given as response.
PASS: Verify that the interface with higher priority is selected after
re-enabling it.
PASS: Verify the active clock source doesn't change if another
interface is disabled.
PASS: Verify the active clock source doesn't change if another
interface is re-enabled.

Story: 2010723
Task: 48702

Change-Id: I64193575a995e520d36460c0ebb8dd452fa8c2b8
Signed-off-by: Andre Mauricio Zelak <andre.zelak@windriver.com>
2023-09-06 15:09:14 -03:00

36 lines
1.2 KiB
Diff

From 63b43924294da6cb177d0509120b2e957580441c Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Mon, 31 May 2021 11:07:52 +0200
Subject: [PATCH 1/54] clock: Reset state when switching port with same best clock.
When the best port is changed, but the ID of the best clock doesn't
change (e.g. a passive port is activated on link failure), reset the
current delay and other master/link-specific state to avoid the switch
throwing the clock off.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
[commit 7e8eba5332671abfd95d06dd191059eded1d2cca upstream]
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
Signed-off-by: Andre Mauricio Zelak <andre.zelak@windriver.com>
---
clock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clock.c b/clock.c
index a66d189..96453f4 100644
--- a/clock.c
+++ b/clock.c
@@ -1857,7 +1857,7 @@ static void handle_state_decision_event(struct clock *c)
cid2str(&best_id));
}
- if (!cid_eq(&best_id, &c->best_id)) {
+ if (!cid_eq(&best_id, &c->best_id) || best != c->best) {
clock_freq_est_reset(c);
tsproc_reset(c->tsproc, 1);
if (!tmv_is_zero(c->initial_delay))
--
2.25.1