linuxptp/interface.c

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/**
* @file interface.c
* @brief Implements network interface data structures.
* @note Copyright (C) 2020 Richard Cochran <richardcochran@gmail.com>
* @note SPDX-License-Identifier: GPL-2.0+
*/
#include <stdlib.h>
#include "interface.h"
struct interface {
STAILQ_ENTRY(interface) list;
char name[MAX_IFNAME_SIZE + 1];
char ts_label[MAX_IFNAME_SIZE + 1];
struct sk_ts_info ts_info;
};
struct interface *interface_create(const char *name)
{
struct interface *iface;
iface = calloc(1, sizeof(struct interface));
if (!iface) {
return NULL;
}
strncpy(iface->name, name, MAX_IFNAME_SIZE);
return iface;
}
void interface_destroy(struct interface *iface)
{
free(iface);
}
void interface_ensure_tslabel(struct interface *iface)
{
if (!iface->ts_label[0]) {
memcpy(iface->ts_label, iface->name, MAX_IFNAME_SIZE);
}
}
int interface_get_tsinfo(struct interface *iface)
{
return sk_get_ts_info(iface->ts_label, &iface->ts_info);
}
const char *interface_label(struct interface *iface)
{
return iface->ts_label;
}
const char *interface_name(struct interface *iface)
{
return iface->name;
}
int interface_phc_index(struct interface *iface)
{
return iface->ts_info.phc_index;
}
void interface_set_label(struct interface *iface, const char *label)
{
strncpy(iface->ts_label, label, MAX_IFNAME_SIZE);
}
bool interface_tsinfo_valid(struct interface *iface)
{
return iface->ts_info.valid ? true : false;
}
bool interface_tsmodes_supported(struct interface *iface, int modes)
{
if ((iface->ts_info.so_timestamping & modes) == modes) {
return true;
}
return false;
}