*/
int vlan_add(const char *if_name, int vid, const char *vlan_if_name)
{
- int ret = -1;
+ int err, ret = -1;
struct nl_sock *handle = NULL;
struct nl_cache *cache = NULL;
struct rtnl_link *rlink = NULL;
goto vlan_add_error;
}
- if (nl_connect(handle, NETLINK_ROUTE) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: failed to connect to netlink");
+ err = nl_connect(handle, NETLINK_ROUTE);
+ if (err < 0) {
+ wpa_printf(MSG_ERROR, "VLAN: failed to connect to netlink: %s",
+ nl_geterror(err));
goto vlan_add_error;
}
- if (rtnl_link_alloc_cache(handle, AF_UNSPEC, &cache) < 0) {
+ err = rtnl_link_alloc_cache(handle, AF_UNSPEC, &cache);
+ if (err < 0) {
cache = NULL;
- wpa_printf(MSG_ERROR, "VLAN: failed to alloc cache");
+ wpa_printf(MSG_ERROR, "VLAN: failed to alloc cache: %s",
+ nl_geterror(err));
goto vlan_add_error;
}
goto vlan_add_error;
}
- if (rtnl_link_set_type(rlink, "vlan") < 0) {
- wpa_printf(MSG_ERROR, "VLAN: failed to set link type");
+ err = rtnl_link_set_type(rlink, "vlan");
+ if (err < 0) {
+ wpa_printf(MSG_ERROR, "VLAN: failed to set link type: %s",
+ nl_geterror(err));
goto vlan_add_error;
}
rtnl_link_set_link(rlink, if_idx);
rtnl_link_set_name(rlink, vlan_if_name);
- if (rtnl_link_vlan_set_id(rlink, vid) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: failed to set link vlan id");
+ err = rtnl_link_vlan_set_id(rlink, vid);
+ if (err < 0) {
+ wpa_printf(MSG_ERROR, "VLAN: failed to set link vlan id: %s",
+ nl_geterror(err));
goto vlan_add_error;
}
- if (rtnl_link_add(handle, rlink, NLM_F_CREATE) < 0) {
+ err = rtnl_link_add(handle, rlink, NLM_F_CREATE);
+ if (err < 0) {
wpa_printf(MSG_ERROR, "VLAN: failed to create link %s for "
- "vlan %d on %s (%d)",
- vlan_if_name, vid, if_name, if_idx);
+ "vlan %d on %s (%d): %s",
+ vlan_if_name, vid, if_name, if_idx,
+ nl_geterror(err));
goto vlan_add_error;
}
int vlan_rem(const char *if_name)
{
- int ret = -1;
+ int err, ret = -1;
struct nl_sock *handle = NULL;
struct nl_cache *cache = NULL;
struct rtnl_link *rlink = NULL;
goto vlan_rem_error;
}
- if (nl_connect(handle, NETLINK_ROUTE) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: failed to connect to netlink");
+ err = nl_connect(handle, NETLINK_ROUTE);
+ if (err < 0) {
+ wpa_printf(MSG_ERROR, "VLAN: failed to connect to netlink: %s",
+ nl_geterror(err));
goto vlan_rem_error;
}
- if (rtnl_link_alloc_cache(handle, AF_UNSPEC, &cache) < 0) {
+ err = rtnl_link_alloc_cache(handle, AF_UNSPEC, &cache);
+ if (err < 0) {
cache = NULL;
- wpa_printf(MSG_ERROR, "VLAN: failed to alloc cache");
+ wpa_printf(MSG_ERROR, "VLAN: failed to alloc cache: %s",
+ nl_geterror(err));
goto vlan_rem_error;
}
goto vlan_rem_error;
}
- if (rtnl_link_delete(handle, rlink) < 0) {
- wpa_printf(MSG_ERROR, "VLAN: failed to remove link %s",
- if_name);
+ err = rtnl_link_delete(handle, rlink);
+ if (err < 0) {
+ wpa_printf(MSG_ERROR, "VLAN: failed to remove link %s: %s",
+ if_name, nl_geterror(err));
goto vlan_rem_error;
}