#include <netinet/ether.h>
#include <stdbool.h>
#include <unistd.h>
+#include <linux/veth.h>
#include "util.h"
#include "refcnt.h"
#include "rtnl-util.h"
#include "rtnl-internal.h"
-#define GET_CONTAINER(m, i) (i < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL)
+#define GET_CONTAINER(m, i) ((i) < (m)->n_containers ? (struct rtattr*)((uint8_t*)(m)->hdr + (m)->container_offsets[i]) : NULL)
#define NEXT_RTA(m) ((struct rtattr*)((uint8_t*)(m)->hdr + (m)->next_rta_offset))
#define UPDATE_RTA(m, new) (m)->next_rta_offset = (uint8_t*)(new) - (uint8_t*)(m)->hdr;
#define PUSH_CONTAINER(m, new) (m)->container_offsets[(m)->n_containers ++] = (uint8_t*)(new) - (uint8_t*)(m)->hdr;
return 0;
}
-int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type) {
+int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type, size_t extra) {
uint16_t rtm_type;
assert_return(m, -EINVAL);
sd_rtnl_message_get_type(m, &rtm_type);
if (rtnl_message_type_is_link(rtm_type)) {
+
if ((type == IFLA_LINKINFO && m->n_containers == 0) ||
- (type == IFLA_INFO_DATA && m->n_containers == 1 &&
- GET_CONTAINER(m, 0)->rta_type == IFLA_LINKINFO))
- return add_rtattr(m, type, NULL, 0);
- else
- return -ENOTSUP;
- } else
- return -ENOTSUP;
+ (type == IFLA_INFO_DATA && m->n_containers == 1 && GET_CONTAINER(m, 0)->rta_type == IFLA_LINKINFO) ||
+ (type == VETH_INFO_PEER && m->n_containers == 2 && GET_CONTAINER(m, 1)->rta_type == IFLA_INFO_DATA))
+ return add_rtattr(m, type, NULL, extra);
+ }
- return 0;
+ return -ENOTSUP;
}
int sd_rtnl_message_close_container(sd_rtnl_message *m) {
assert(sd_rtnl_message_new_link(RTM_NEWLINK, 0, &m) >= 0);
- assert(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0);
- assert(sd_rtnl_message_open_container(m, IFLA_LINKINFO) == -ENOTSUP);
+ assert(sd_rtnl_message_open_container(m, IFLA_LINKINFO, 0) >= 0);
+ assert(sd_rtnl_message_open_container(m, IFLA_LINKINFO, 0) == -ENOTSUP);
assert(sd_rtnl_message_append_string(m, IFLA_INFO_KIND, "kind") >= 0);
- assert(sd_rtnl_message_open_container(m, IFLA_INFO_DATA) >= 0);
- assert(sd_rtnl_message_open_container(m, IFLA_INFO_DATA) == -ENOTSUP);
+ assert(sd_rtnl_message_open_container(m, IFLA_INFO_DATA, 0) >= 0);
+ assert(sd_rtnl_message_open_container(m, IFLA_INFO_DATA, 0) == -ENOTSUP);
assert(sd_rtnl_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0);
assert(sd_rtnl_message_close_container(m) >= 0);
assert(sd_rtnl_message_append_string(m, IFLA_INFO_KIND, "kind") >= 0);
return r;
}
- r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
+ r = sd_rtnl_message_open_container(req, IFLA_LINKINFO, 0);
if (r < 0) {
log_error_netdev(netdev,
"Could not open IFLA_LINKINFO container: %s",
}
if (netdev->vlanid <= VLANID_MAX) {
- r = sd_rtnl_message_open_container(req, IFLA_INFO_DATA);
+ r = sd_rtnl_message_open_container(req, IFLA_INFO_DATA, 0);
if (r < 0) {
log_error_netdev(netdev,
"Could not open IFLA_INFO_DATA container: %s",
int sd_rtnl_message_append_in6_addr(sd_rtnl_message *m, unsigned short type, const struct in6_addr *data);
int sd_rtnl_message_append_ether_addr(sd_rtnl_message *m, unsigned short type, const struct ether_addr *data);
-int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type);
+int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type, size_t extra);
int sd_rtnl_message_close_container(sd_rtnl_message *m);
int sd_rtnl_message_read(sd_rtnl_message *m, unsigned short *type, void **data);