98 lines
3.2 KiB
Diff
98 lines
3.2 KiB
Diff
From 9f3a0a3df4346fa15ed6573cc57092baba37354e Mon Sep 17 00:00:00 2001
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From: Cole Walker <cole.walker@windriver.com>
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Date: Wed, 23 Jun 2021 11:14:41 -0400
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Subject: [PATCH 6/6] Add option to disable default port selection in phc2sys
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---
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config.c | 1 +
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phc2sys.c | 19 ++++++++++++++-----
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2 files changed, 15 insertions(+), 5 deletions(-)
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diff --git a/config.c b/config.c
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index 7914ba4..de5e68e 100644
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--- a/config.c
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+++ b/config.c
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@@ -273,6 +273,7 @@ struct config_item config_tab[] = {
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GLOB_ITEM_STR("userDescription", ""),
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GLOB_ITEM_INT("utc_offset", CURRENT_UTC_OFFSET, 0, INT_MAX),
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GLOB_ITEM_INT("verbose", 0, 0, 1),
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+ GLOB_ITEM_INT("default_sync", 1, 0, 1),
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};
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static struct unicast_master_table *current_uc_mtab;
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diff --git a/phc2sys.c b/phc2sys.c
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index b8f1ea0..45dba55 100644
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--- a/phc2sys.c
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+++ b/phc2sys.c
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@@ -120,6 +120,7 @@ struct node {
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LIST_HEAD(clock_head, clock) clocks;
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LIST_HEAD(dst_clock_head, clock) dst_clocks;
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struct clock *master;
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+ int default_sync;
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};
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static struct config *phc2sys_config;
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@@ -465,7 +466,7 @@ static void reconfigure(struct node *node)
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}
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last = c;
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}
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- if (dst_cnt > 1 && !src) {
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+ if (dst_cnt > 1 && !src && node->default_sync) {
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if (!rt || rt->dest_only) {
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node->master = last;
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/* Reset to original state in next reconfiguration. */
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@@ -1363,6 +1364,7 @@ static void usage(char *progname)
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" -N [num] number of master clock readings per update (5)\n"
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" -L [limit] sanity frequency limit in ppb (200000000)\n"
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" -M [num] NTP SHM segment number (0)\n"
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+ " -D [num] fall back to default clock in automatic mode (1)\n"
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" -u [num] number of clock updates in summary stats (0)\n"
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" -n [num] domain number (0)\n"
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" -x apply leap seconds by servo instead of kernel\n"
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@@ -1383,7 +1385,7 @@ int main(int argc, char *argv[])
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struct clock *src, *dst;
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struct config *cfg;
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struct option *opts;
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- int autocfg = 0, c, domain_number = 0, index, ntpshm_segment;
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+ int autocfg = 0, c, domain_number = 0, default_sync = 1, index, ntpshm_segment;
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int pps_fd = -1, print_level = LOG_INFO, r = -1, rt = 0, wait_sync = 0;
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double phc_rate, tmp;
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struct node node = {
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@@ -1407,7 +1409,7 @@ int main(int argc, char *argv[])
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progname = strrchr(argv[0], '/');
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progname = progname ? 1+progname : argv[0];
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while (EOF != (c = getopt_long(argc, argv,
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- "arc:d:f:s:E:P:I:S:F:R:N:O:L:M:i:u:wn:xz:l:t:mqvh",
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+ "arc:d:f:s:E:P:I:S:F:R:N:O:L:M:D:i:u:wn:xz:l:t:mqvh",
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opts, &index))) {
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switch (c) {
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case 0:
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@@ -1559,6 +1561,12 @@ int main(int argc, char *argv[])
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version_show(stdout);
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config_destroy(cfg);
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return 0;
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+ case 'D':
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+ if (get_arg_val_i(c, optarg, &default_sync, 0, 1) ||
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+ config_set_int(cfg, "default_sync", default_sync)) {
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+ goto end;
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+ }
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+ break;
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case 'h':
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usage(progname);
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config_destroy(cfg);
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@@ -1607,8 +1615,9 @@ int main(int argc, char *argv[])
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}
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node.kernel_leap = config_get_int(cfg, NULL, "kernel_leap");
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node.sanity_freq_limit = config_get_int(cfg, NULL, "sanity_freq_limit");
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-
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- if (autocfg) {
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+ node.default_sync = config_get_int(cfg, NULL, "default_sync");
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+
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+ if (autocfg) {
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if (init_pmc(cfg, &node))
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goto end;
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if (auto_init_ports(&node, rt) < 0)
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--
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2.29.2
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