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/*
* Linux specific code
*
* Copyright (C) 2018 Network Device Education Foundation, Inc. ("NetDEF")
*
* FRR is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* FRR is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FRR; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#ifdef BFD_LINUX
#include "bfd.h"
/*
* Definitions.
*/
int ptm_bfd_fetch_ifindex(const char *ifname)
{
struct ifreq ifr;
if (strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name))
> sizeof(ifr.ifr_name))
log_error("interface-to-index: name truncated ('%s' -> '%s')",
ifr.ifr_name, ifname);
if (ioctl(bglobal.bg_shop, SIOCGIFINDEX, &ifr) == -1) {
log_error("interface-to-index: %s translation failed: %s",
ifname, strerror(errno));
return -1;
}
return ifr.ifr_ifindex;
}
void ptm_bfd_fetch_local_mac(const char *ifname, uint8_t *mac)
{
struct ifreq ifr;
if (strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name))
> sizeof(ifr.ifr_name))
log_error("interface-mac: name truncated ('%s' -> '%s')",
ifr.ifr_name, ifname);
if (ioctl(bglobal.bg_shop, SIOCGIFHWADDR, &ifr) == -1) {
log_error("interface-mac: %s MAC retrieval failed: %s", ifname,
strerror(errno));
return;
}
memcpy(mac, ifr.ifr_hwaddr.sa_data, ETHERNET_ADDRESS_LENGTH);
}
/* Was _fetch_portname_from_ifindex() */
void fetch_portname_from_ifindex(int ifindex, char *ifname, size_t ifnamelen)
{
struct ifreq ifr;
ifname[0] = 0;
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_ifindex = ifindex;
if (ioctl(bglobal.bg_shop, SIOCGIFNAME, &ifr) == -1) {
log_error("index-to-interface: index %d failure: %s", ifindex,
strerror(errno));
return;
}
if (strlcpy(ifname, ifr.ifr_name, ifnamelen) >= ifnamelen)
log_debug("index-to-interface: name truncated '%s' -> '%s'",
ifr.ifr_name, ifname);
}
int bp_bind_dev(int sd __attribute__((__unused__)),
const char *dev __attribute__((__unused__)))
{
/*
* TODO: implement this differently. It is not possible to
* SO_BINDTODEVICE after the daemon has dropped its privileges.
*/
#if 0
size_t devlen = strlen(dev) + 1;
if (setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, dev, devlen) == -1) {
log_warning("%s: setsockopt(SO_BINDTODEVICE, \"%s\"): %s",
__func__, dev, strerror(errno));
return -1;
}
#endif
return 0;
}
#endif /* BFD_LINUX */
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