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authorFelix Fietkau <nbd@nbd.name>2021-08-27 12:15:07 +0200
committerFelix Fietkau <nbd@nbd.name>2021-08-27 12:17:19 +0200
commitd590fbd255cecd4c3a4c267e7ca377772574cf72 (patch)
tree2d3893e5c0f0e4513f5b15ea8298617a1c0dc034 /system-linux.c
parent454e9c33c90691d5bea12263f1801a7dc38c20b1 (diff)
downloadnetifd-d590fbd255cecd4c3a4c267e7ca377772574cf72.tar.gz
wireless: always enable bpdu filter for AP interfaces and VLANs
Regular AP/VLAN interfaces using 3-address modes should transmit any STP packets, since devices behind them can not be part of any working bridge topology. Enable a feature that drops any incoming or outgoing STP packets. This does not apply to WDS AP VLAN or client mode interfaces, since they could act as a proper bridge link Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'system-linux.c')
-rw-r--r--system-linux.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/system-linux.c b/system-linux.c
index 85942a5..355bf69 100644
--- a/system-linux.c
+++ b/system-linux.c
@@ -404,6 +404,11 @@ static void system_bridge_set_hairpin_mode(struct device *dev, const char *val)
system_set_dev_sysctl("/sys/class/net/%s/brport/hairpin_mode", dev->ifname, val);
}
+static void system_bridge_set_bpdu_filter(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/sys/class/net/%s/brport/bpdu_filter", dev->ifname, val);
+}
+
static void system_bridge_set_isolated(struct device *dev, const char *val)
{
system_set_dev_sysctl("/sys/class/net/%s/brport/isolated", dev->ifname, val);
@@ -893,6 +898,9 @@ retry:
dev->settings.isolate)
system_bridge_set_isolated(dev, "1");
+ if (dev->bpdu_filter)
+ system_bridge_set_bpdu_filter(dev, dev->bpdu_filter ? "1" : "0");
+
return ret;
}