netifd-device: add support for promisc setting

[project/netifd.git] / system-linux.c

diff --git a/system-linux.c b/system-linux.c
index 2a281cc..c4d89be 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -943,6 +943,11 @@ system_if_get_settings(struct device *dev, struct device_settings *s)
                s->ipv6 = !strtoul(buf, NULL, 0);
                s->flags |= DEV_OPT_IPV6;
        }
+
+       if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) == 0) {
+               s->promisc = ifr.ifr_flags & IFF_PROMISC;
+               s->flags |= DEV_OPT_PROMISC;
+       }
 }
 
 void
@@ -973,6 +978,11 @@ system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned
        }
        if (s->flags & DEV_OPT_IPV6 & apply_mask)
                system_set_disable_ipv6(dev, s->ipv6 ? "0" : "1");
+       if (s->flags & DEV_OPT_PROMISC & apply_mask) {
+               if (system_if_flags(dev->ifname, s->promisc ? IFF_PROMISC : 0,
+                                   !s->promisc ? IFF_PROMISC : 0) < 0)
+                       s->flags &= ~DEV_OPT_PROMISC;
+       }
 }
 
 int system_if_up(struct device *dev)