diff options
-rw-r--r-- | device.c | 8 | ||||
-rw-r--r-- | system-dummy.c | 5 | ||||
-rw-r--r-- | system-linux.c | 9 | ||||
-rw-r--r-- | system.h | 2 |
4 files changed, 17 insertions, 7 deletions
@@ -62,6 +62,14 @@ void device_unlock(void) static int set_device_state(struct device *dev, bool state) { + if (state) { + /* Set ifindex for all devices being enabled so a valid */ + /* ifindex is in place avoiding possible race conditions */ + device_set_ifindex(dev, system_if_resolve(dev)); + if (!dev->ifindex) + return -1; + } + if (dev->external) return 0; diff --git a/system-dummy.c b/system-dummy.c index 8e420e1..7d54315 100644 --- a/system-dummy.c +++ b/system-dummy.c @@ -96,6 +96,11 @@ int system_if_check(struct device *dev) return 0; } +int system_if_resolve(struct device *dev) +{ + return 0; +} + struct device * system_if_get_parent(struct device *dev) { diff --git a/system-linux.c b/system-linux.c index 02574fc..6a6028c 100644 --- a/system-linux.c +++ b/system-linux.c @@ -316,11 +316,7 @@ static int cb_rtnl_event(struct nl_msg *msg, void *arg) goto out; struct device *dev = device_get(nla_data(nla[IFLA_IFNAME]), false); - if (!dev) - goto out; - - device_set_ifindex(dev, ifi->ifi_index); - if (dev->type->keep_link_status) + if (!dev || dev->type->keep_link_status) goto out; if (!system_get_dev_sysctl("/sys/class/net/%s/carrier", dev->ifname, buf, sizeof(buf))) @@ -497,7 +493,7 @@ int system_bridge_delif(struct device *bridge, struct device *dev) return system_bridge_if(bridge->ifname, dev, SIOCBRDELIF, NULL); } -static int system_if_resolve(struct device *dev) +int system_if_resolve(struct device *dev) { struct ifreq ifr; strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name)); @@ -1006,7 +1002,6 @@ int system_if_up(struct device *dev) { system_if_get_settings(dev, &dev->orig_settings); system_if_apply_settings(dev, &dev->settings, dev->settings.flags); - device_set_ifindex(dev, system_if_resolve(dev)); return system_if_flags(dev->ifname, IFF_UP, 0); } @@ -116,6 +116,8 @@ void system_if_clear_state(struct device *dev); int system_if_up(struct device *dev); int system_if_down(struct device *dev); int system_if_check(struct device *dev); +int system_if_resolve(struct device *dev); + int system_if_dump_info(struct device *dev, struct blob_buf *b); int system_if_dump_stats(struct device *dev, struct blob_buf *b); struct device *system_if_get_parent(struct device *dev); |