+static int system_get_rpfilter(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/rp_filter",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_acceptlocal(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/accept_local",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_igmpversion(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/force_igmp_version",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_mldversion(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/force_mld_version",
+ dev->ifname, buf, buf_sz);
+}
+