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/* Copyright (c) 2018, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "config.h"
#include <odp_posix_extensions.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <linux/if_packet.h>
#include <errno.h>
#include <odp_debug_internal.h>
#include <odp_errno_define.h>
#include <odp_socket_common.h>
#include <protocols/eth.h>
/**
* ODP_PACKET_SOCKET_MMSG:
* ODP_PACKET_SOCKET_MMAP:
* ODP_PACKET_NETMAP:
*/
int mac_addr_get_fd(int fd, const char *name, unsigned char mac_dst[])
{
struct ifreq ethreq;
int ret;
memset(ðreq, 0, sizeof(ethreq));
snprintf(ethreq.ifr_name, IF_NAMESIZE, "%s", name);
ret = ioctl(fd, SIOCGIFHWADDR, ðreq);
if (ret != 0) {
__odp_errno = errno;
ODP_ERR("ioctl(SIOCGIFHWADDR): %s: \"%s\".\n", strerror(errno),
ethreq.ifr_name);
return -1;
}
memcpy(mac_dst, (unsigned char *)ethreq.ifr_ifru.ifru_hwaddr.sa_data,
ETH_ALEN);
return 0;
}
/*
* ODP_PACKET_SOCKET_MMSG:
* ODP_PACKET_SOCKET_MMAP:
* ODP_PACKET_NETMAP:
*/
uint32_t mtu_get_fd(int fd, const char *name)
{
struct ifreq ifr;
int ret;
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
ret = ioctl(fd, SIOCGIFMTU, &ifr);
if (ret < 0) {
__odp_errno = errno;
ODP_DBG("ioctl(SIOCGIFMTU): %s: \"%s\".\n", strerror(errno),
ifr.ifr_name);
return 0;
}
return ifr.ifr_mtu + _ODP_ETHHDR_LEN;
}
/*
* ODP_PACKET_SOCKET_MMSG:
* ODP_PACKET_SOCKET_MMAP:
* ODP_PACKET_NETMAP:
*/
int promisc_mode_set_fd(int fd, const char *name, int enable)
{
struct ifreq ifr;
int ret;
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
if (ret < 0) {
__odp_errno = errno;
ODP_DBG("ioctl(SIOCGIFFLAGS): %s: \"%s\".\n", strerror(errno),
ifr.ifr_name);
return -1;
}
if (enable)
ifr.ifr_flags |= IFF_PROMISC;
else
ifr.ifr_flags &= ~(IFF_PROMISC);
ret = ioctl(fd, SIOCSIFFLAGS, &ifr);
if (ret < 0) {
__odp_errno = errno;
ODP_DBG("ioctl(SIOCSIFFLAGS): %s: \"%s\".\n", strerror(errno),
ifr.ifr_name);
return -1;
}
return 0;
}
/*
* ODP_PACKET_SOCKET_MMSG:
* ODP_PACKET_SOCKET_MMAP:
* ODP_PACKET_NETMAP:
*/
int promisc_mode_get_fd(int fd, const char *name)
{
struct ifreq ifr;
int ret;
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
if (ret < 0) {
__odp_errno = errno;
ODP_DBG("ioctl(SIOCGIFFLAGS): %s: \"%s\".\n", strerror(errno),
ifr.ifr_name);
return -1;
}
return !!(ifr.ifr_flags & IFF_PROMISC);
}
int link_status_fd(int fd, const char *name)
{
struct ifreq ifr;
int ret;
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", name);
ret = ioctl(fd, SIOCGIFFLAGS, &ifr);
if (ret < 0) {
__odp_errno = errno;
ODP_DBG("ioctl(SIOCGIFFLAGS): %s: \"%s\".\n", strerror(errno),
ifr.ifr_name);
return -1;
}
return !!(ifr.ifr_flags & IFF_RUNNING);
}
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