On Sat, Oct 09, 2021 at 05:11:53PM +0300, Vladimir Oltean wrote:
> diff --git a/ts2phc.c b/ts2phc.c
> index 67df5a532559..ca7684b314a4 100644
> --- a/ts2phc.c
> +++ b/ts2phc.c
> @@ -7,9 +7,14 @@
> * @note SPDX-License-Identifier: GPL-2.0+
> */
> #include <stdlib.h>
> +#include <net/if.h>
> +#include <sys/types.h>
> +#include <unistd.h>
Alphabetical order please.
> +#include "clockadj.h"
> #include "config.h"
> #include "interface.h"
> +#include "phc.h"
> #include "print.h"
> #include "ts2phc.h"
> #include "version.h"
> @@ -27,6 +32,80 @@ static void ts2phc_cleanup(struct ts2phc_private *priv)
> config_destroy(priv->cfg);
> }
>
> +static struct servo *servo_add(struct ts2phc_private *priv, struct clock
> *clock)
> +{
This really wants a prefix in the name, like ts2phc_add_servo();
> + enum servo_type type = config_get_int(priv->cfg, NULL, "clock_servo");
> + struct servo *servo;
> + int fadj, max_adj;
> +
> + fadj = (int) clockadj_get_freq(clock->clkid);
> + /* Due to a bug in older kernels, the reading may silently fail
> + * and return 0. Set the frequency back to make sure fadj is
> + * the actual frequency of the clock.
> + */
> + if (!clock->no_adj) {
> + clockadj_set_freq(clock->clkid, fadj);
> + }
> +
> + max_adj = phc_max_adj(clock->clkid);
> +
> + servo = servo_create(priv->cfg, type, -fadj, max_adj, 0);
> + if (!servo)
> + return NULL;
> +
> + servo_sync_interval(servo, SERVO_SYNC_INTERVAL);
> +
> + return servo;
> +}
> +
> +struct clock *clock_add(struct ts2phc_private *priv, const char *device)
> +{
Prefix please.
> + clockid_t clkid = CLOCK_INVALID;
> + int phc_index = -1;
> + struct clock *c;
> + int err;
> +
> + clkid = posix_clock_open(device, &phc_index);
> + if (clkid == CLOCK_INVALID)
> + return NULL;
> +
> + LIST_FOREACH(c, &priv->clocks, list) {
> + if (c->phc_index == phc_index) {
> + /* Already have the clock, don't add it again */
> + posix_clock_close(clkid);
> + return c;
> + }
> + }
> +
> + c = calloc(1, sizeof(*c));
> + if (!c) {
> + pr_err("failed to allocate memory for a clock");
> + return NULL;
> + }
> + c->clkid = clkid;
> + c->phc_index = phc_index;
> + c->servo_state = SERVO_UNLOCKED;
> + c->servo = servo_add(priv, c);
> + c->no_adj = config_get_int(priv->cfg, NULL, "free_running");
> + err = asprintf(&c->name, "/dev/ptp%d", phc_index);
> + if (err < 0) {
> + free(c);
> + posix_clock_close(clkid);
> + return NULL;
> + }
> +
> + LIST_INSERT_HEAD(&priv->clocks, c, list);
> + return c;
> +}
> +
> +void clock_destroy(struct clock *c)
> +{
Ditto.
> + servo_destroy(c->servo);
> + posix_clock_close(c->clkid);
> + free(c->name);
> + free(c);
> +}
> +
> static void usage(char *progname)
> {
> fprintf(stderr,
> diff --git a/ts2phc.h b/ts2phc.h
> index e47ea4753617..43725e9edfdc 100644
> --- a/ts2phc.h
> +++ b/ts2phc.h
> @@ -7,16 +7,40 @@
> #ifndef HAVE_TS2PHC_H
> #define HAVE_TS2PHC_H
>
> +#include <sys/queue.h>
> +#include <time.h>
> +#include "servo.h"
> +
> struct ts2phc_slave_array;
>
> +#define SERVO_SYNC_INTERVAL 1.0
> +
> +struct clock {
How about ts2phc_clock ?
> + LIST_ENTRY(clock) list;
> + LIST_ENTRY(clock) dst_list;
> + clockid_t clkid;
> + int phc_index;
> + int state;
> + int new_state;
> + struct servo *servo;
> + enum servo_state servo_state;
> + char *name;
> + bool no_adj;
> +};
> +
> struct ts2phc_private {
> struct ts2phc_master *master;
> STAILQ_HEAD(slave_ifaces_head, ts2phc_slave) slaves;
> unsigned int n_slaves;
> struct ts2phc_slave_array *polling_array;
> struct config *cfg;
> + struct clock *source;
> + LIST_HEAD(clock_head, clock) clocks;
> };
>
> +struct clock *clock_add(struct ts2phc_private *priv, const char *device);
> +void clock_destroy(struct clock *clock);
> +
> #include "ts2phc_master.h"
> #include "ts2phc_slave.h"
>
Thanks,
Richard
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