diff options
| -rw-r--r-- | system-linux.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/system-linux.c b/system-linux.c index 057bc39..02574fc 100644 --- a/system-linux.c +++ b/system-linux.c @@ -299,16 +299,14 @@ static int system_get_disable_ipv6(struct device *dev, char *buf, const size_t b dev->ifname, buf, buf_sz); } -#ifndef IFF_LOWER_UP -#define IFF_LOWER_UP 0x10000 -#endif - // Evaluate netlink messages static int cb_rtnl_event(struct nl_msg *msg, void *arg) { struct nlmsghdr *nh = nlmsg_hdr(msg); struct ifinfomsg *ifi = NLMSG_DATA(nh); struct nlattr *nla[__IFLA_MAX]; + int link_state = 0; + char buf[10]; if (nh->nlmsg_type != RTM_NEWLINK) goto out; @@ -322,8 +320,13 @@ static int cb_rtnl_event(struct nl_msg *msg, void *arg) goto out; device_set_ifindex(dev, ifi->ifi_index); - if (!dev->type->keep_link_status) - device_set_link(dev, ifi->ifi_flags & IFF_LOWER_UP ? true : false); + if (dev->type->keep_link_status) + goto out; + + if (!system_get_dev_sysctl("/sys/class/net/%s/carrier", dev->ifname, buf, sizeof(buf))) + link_state = strtoul(buf, NULL, 0); + + device_set_link(dev, link_state ? true : false); out: return 0; @@ -1021,6 +1024,10 @@ struct if_check_data { int ret; }; +#ifndef IFF_LOWER_UP +#define IFF_LOWER_UP 0x10000 +#endif + static int cb_if_check_valid(struct nl_msg *msg, void *arg) { struct nlmsghdr *nh = nlmsg_hdr(msg); |