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authorTom Gundersen <teg@jklm.no>2013-10-29 20:03:26 +0100
committerTom Gundersen <teg@jklm.no>2013-10-29 21:26:22 +0100
commit16d26d559df69ad394d406fce679e45960eb15ef (patch)
tree6d853f59b66124608868e4cd0d396607c2b7e05c /src/udev/udev-event.c
parent3aeb37bc4f32b5edc334f2ac7c5d3c7b0a121328 (diff)
udev-event: use rtnl to set ifname
Diffstat (limited to 'src/udev/udev-event.c')
-rw-r--r--src/udev/udev-event.c46
1 files changed, 21 insertions, 25 deletions
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index c4603a0c0e..bdf3a386c9 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -25,16 +25,14 @@
#include <string.h>
#include <time.h>
#include <net/if.h>
-#include <sys/ioctl.h>
#include <sys/prctl.h>
#include <sys/poll.h>
#include <sys/epoll.h>
#include <sys/wait.h>
-#include <sys/socket.h>
#include <sys/signalfd.h>
-#include <linux/sockios.h>
#include "udev.h"
+#include "rtnl-util.h"
struct udev_event *udev_event_new(struct udev_device *dev)
{
@@ -750,32 +748,30 @@ out:
static int rename_netif(struct udev_event *event)
{
struct udev_device *dev = event->dev;
- int sk;
- struct ifreq ifr;
- int err;
+ _cleanup_sd_rtnl_unref_ sd_rtnl *rtnl = NULL;
+ char name[IFNAMSIZ];
+ const char *oldname;
+ int r;
+
+ oldname = udev_device_get_sysname(dev);
log_debug("changing net interface name from '%s' to '%s'\n",
- udev_device_get_sysname(dev), event->name);
+ oldname, event->name);
- sk = socket(PF_INET, SOCK_DGRAM, 0);
- if (sk < 0) {
- err = -errno;
- log_error("error opening socket: %m\n");
- return err;
- }
+ strscpy(name, IFNAMSIZ, event->name);
- memset(&ifr, 0x00, sizeof(struct ifreq));
- strscpy(ifr.ifr_name, IFNAMSIZ, udev_device_get_sysname(dev));
- strscpy(ifr.ifr_newname, IFNAMSIZ, event->name);
- err = ioctl(sk, SIOCSIFNAME, &ifr);
- if (err >= 0) {
- print_kmsg("renamed network interface %s to %s\n", ifr.ifr_name, ifr.ifr_newname);
- } else {
- err = -errno;
- log_error("error changing net interface name %s to %s: %m\n", ifr.ifr_name, ifr.ifr_newname);
- }
- close(sk);
- return err;
+ r = sd_rtnl_open(0, &rtnl);
+ if (r < 0)
+ return r;
+
+ r = rtnl_set_link_properties(rtnl, udev_device_get_ifindex(dev), name, NULL, 0);
+ if (r < 0)
+ log_error("error changing net interface name %s to %s: %s",
+ oldname, name, strerror(-r));
+ else
+ log_info("renamed network interface %s to %s", oldname, name);
+
+ return r;
}
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigmask)