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D49837.id.diff
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diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c
--- a/sys/net/if_vlan.c
+++ b/sys/net/if_vlan.c
@@ -1273,7 +1273,7 @@
error = nl_parse_nested(lattrs->ifla_idata, &vlan_parser, npt, &attrs);
if (error != 0)
return (error);
- if (attrs.vlan_id > 4095) {
+ if (attrs.vlan_id > DOT1Q_VID_MAX) {
nlmsg_report_err_msg(npt, "Invalid VID: %d", attrs.vlan_id);
return (EINVAL);
}
diff --git a/sys/net/if_vlan_var.h b/sys/net/if_vlan_var.h
--- a/sys/net/if_vlan_var.h
+++ b/sys/net/if_vlan_var.h
@@ -130,6 +130,8 @@
#define DOT1Q_VID_DEF_PVID 0x1
#define DOT1Q_VID_DEF_SR_PVID 0x2
#define DOT1Q_VID_RSVD_IMPL 0xfff
+#define DOT1Q_VID_MIN 1 /* minimum valid vlan id */
+#define DOT1Q_VID_MAX 4095 /* maximum valid vlan id */
/*
* 802.1q full tag. Proto and vid are stored in host byte order.

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