system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val);
}
+static void system_set_drop_v4_unicast_in_l2_multicast(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast", dev->ifname, val);
+}
+
+static void system_set_drop_v6_unicast_in_l2_multicast(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast", dev->ifname, val);
+}
+
+static void system_set_drop_gratuitous_arp(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp", dev->ifname, val);
+}
+
+static void system_set_drop_unsolicited_na(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na", dev->ifname, val);
+}
+
+static void system_set_arp_accept(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/arp_accept", dev->ifname, val);
+}
+
static void system_bridge_set_multicast_to_unicast(struct device *dev, const char *val)
{
system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_to_unicast", dev->ifname, val);
dev->ifname, buf, buf_sz);
}
+
+static int system_get_drop_v4_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_v6_unicast_in_l2_multicast(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_gratuitous_arp(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_drop_unsolicited_na(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
+ dev->ifname, buf, buf_sz);
+}
+
+static int system_get_arp_accept(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/arp_accept",
+ dev->ifname, buf, buf_sz);
+}
+
/* Evaluate netlink messages */
static int cb_rtnl_event(struct nl_msg *msg, void *arg)
{
s->sendredirects = strtoul(buf, NULL, 0);
s->flags |= DEV_OPT_SENDREDIRECTS;
}
+
+ if (!system_get_drop_v4_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v4_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST;
+ }
+
+ if (!system_get_drop_v6_unicast_in_l2_multicast(dev, buf, sizeof(buf))) {
+ s->drop_v6_unicast_in_l2_multicast = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST;
+ }
+
+ if (!system_get_drop_gratuitous_arp(dev, buf, sizeof(buf))) {
+ s->drop_gratuitous_arp = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_GRATUITOUS_ARP;
+ }
+
+ if (!system_get_drop_unsolicited_na(dev, buf, sizeof(buf))) {
+ s->drop_unsolicited_na = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_DROP_UNSOLICITED_NA;
+ }
+
+ if (!system_get_arp_accept(dev, buf, sizeof(buf))) {
+ s->arp_accept = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_ARP_ACCEPT;
+ }
}
void
}
if (apply_mask & DEV_OPT_SENDREDIRECTS)
system_set_sendredirects(dev, s->sendredirects ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_V4_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v4_unicast_in_l2_multicast(dev, s->drop_v4_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_V6_UNICAST_IN_L2_MULTICAST)
+ system_set_drop_v6_unicast_in_l2_multicast(dev, s->drop_v6_unicast_in_l2_multicast ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_GRATUITOUS_ARP)
+ system_set_drop_gratuitous_arp(dev, s->drop_gratuitous_arp ? "1" : "0");
+ if (apply_mask & DEV_OPT_DROP_UNSOLICITED_NA)
+ system_set_drop_unsolicited_na(dev, s->drop_unsolicited_na ? "1" : "0");
+ if (apply_mask & DEV_OPT_ARP_ACCEPT)
+ system_set_arp_accept(dev, s->arp_accept ? "1" : "0");
}
int system_if_up(struct device *dev)