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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2011 Caixa Magica Software.
*/
#include <config.h>
#include <glib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if_vlan.h>
#include <linux/sockios.h>
#include "nm-logging.h"
#include "nm-netlink-compat.h"
#if HAVE_LIBNL != 1
struct rtnl_nexthop *
nm_netlink_get_nh (struct rtnl_route * route)
{
int hops;
hops = rtnl_route_get_nnexthops (route);
g_return_val_if_fail(hops > 0, NULL);
return rtnl_route_nexthop_n (route, 0);
}
int
rtnl_route_get_oif (struct rtnl_route * route)
{
struct rtnl_nexthop * nh;
nh = nm_netlink_get_nh(route);
g_return_val_if_fail(nh, -NLE_OBJ_NOTFOUND);
return rtnl_route_nh_get_ifindex (nh);
}
int
rtnl_route_set_oif (struct rtnl_route * route, int ifindex)
{
struct rtnl_nexthop * nh;
nh = rtnl_route_nh_alloc();
rtnl_route_nh_set_ifindex(nh, ifindex);
rtnl_route_add_nexthop(route, nh);
return 0;
}
struct nl_addr *
rtnl_route_get_gateway (struct rtnl_route * route)
{
struct rtnl_nexthop * nh;
nh = nm_netlink_get_nh(route);
g_return_val_if_fail(nh, NULL);
return rtnl_route_nh_get_gateway(nh);
}
int
rtnl_route_set_gateway (struct rtnl_route * route, struct nl_addr * gw_addr)
{
struct rtnl_nexthop * nh;
nh = nm_netlink_get_nh(route);
g_return_val_if_fail(nh, -NLE_OBJ_NOTFOUND);
rtnl_route_nh_set_gateway(nh, gw_addr);
return 0;
}
int
rtnl_route_get_dst_len(struct rtnl_route * rtnlroute)
{
struct nl_addr * dst;
dst = rtnl_route_get_dst(rtnlroute);
return nl_addr_get_prefixlen(dst);
}
#endif
#if HAVE_LIBNL == 1
int
nl_compat_error (int err)
{
err = abs (err);
if (err == EEXIST)
err = NLE_EXIST;
else if (err == ENOENT || err == ESRCH)
err = NLE_OBJ_NOTFOUND;
else if (err == ERANGE)
err = NLE_RANGE;
return -err;
}
int
rtnl_link_vlan_get_id (struct rtnl_link *l)
{
int fd;
struct vlan_ioctl_args if_request;
char *if_name = NULL;
memset (&if_request, 0, sizeof (struct vlan_ioctl_args));
if ((if_name = rtnl_link_get_name (l)) == NULL)
return -1;
g_strlcpy (if_request.device1, if_name, sizeof (if_request.device1));
if ((fd = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't open control socket.");
return -1;
}
if_request.cmd = GET_VLAN_VID_CMD;
if (ioctl (fd, SIOCSIFVLAN, &if_request) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't get vlan id for %s.", if_name);
goto err_out;
}
close(fd);
return if_request.u.VID;
err_out:
close(fd);
return -1;
}
int
rtnl_link_vlan_set_flags (struct rtnl_link *l, unsigned int flags)
{
int fd;
struct vlan_ioctl_args if_request;
char *if_name = NULL;
if ((if_name = rtnl_link_get_name (l)) == NULL)
return -1;
if ((fd = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't open control socket.");
return -1;
}
memset (&if_request, 0, sizeof (struct vlan_ioctl_args));
g_strlcpy (if_request.device1, if_name, sizeof (if_request.device1));
if_request.cmd = SET_VLAN_FLAG_CMD;
if_request.u.flag = flags;
if (ioctl (fd, SIOCSIFVLAN, &if_request) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't set flag in device %s.", if_name);
goto err_out;
}
close(fd);
return 0;
err_out:
close(fd);
return -1;
}
int
rtnl_link_vlan_set_ingress_map (struct rtnl_link *l, int from, uint32_t to)
{
int fd;
struct vlan_ioctl_args if_request;
char *if_name = NULL;
if ((if_name = rtnl_link_get_name (l)) == NULL)
return -1;
if ((fd = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't open control socket.");
return -1;
}
memset (&if_request, 0, sizeof (struct vlan_ioctl_args));
g_strlcpy (if_request.device1, if_name, sizeof (if_request.device1));
if_request.cmd = SET_VLAN_INGRESS_PRIORITY_CMD;
if_request.u.skb_priority = from;
if_request.vlan_qos = to;
if (ioctl (fd, SIOCSIFVLAN, &if_request) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't set ingress map on device %s.", if_name);
goto err_out;
}
close(fd);
return 0;
err_out:
close(fd);
return -1;
}
int
rtnl_link_vlan_set_egress_map (struct rtnl_link *l, int from, uint32_t to)
{
int fd;
struct vlan_ioctl_args if_request;
char *if_name = NULL;
if ((if_name = rtnl_link_get_name (l)) == NULL)
return -1;
if ((fd = socket (AF_INET, SOCK_STREAM, 0)) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't open control socket.");
return -1;
}
memset (&if_request, 0, sizeof (struct vlan_ioctl_args));
g_strlcpy (if_request.device1, if_name, sizeof (if_request.device1));
if_request.cmd = SET_VLAN_EGRESS_PRIORITY_CMD;
if_request.u.skb_priority = from;
if_request.vlan_qos = to;
if (ioctl (fd, SIOCSIFVLAN, &if_request) < 0) {
nm_log_err (LOGD_DEVICE, "couldn't set egress map on device %s.", if_name);
goto err_out;
}
close(fd);
return 0;
err_out:
close(fd);
return -1;
}
#endif
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