By popular demand, added the "static ARP" per-interface option.

2 files changed, 11 insertions, 1 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 5ae3b22..710fbe0 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -227,6 +227,14 @@ addresses and
 .It Fl arp
 Disable the use of the Address Resolution Protocol
 .Pq Xr arp 4 .
+.It Cm staticarp
+If the Address Resolution Protocol is enabled,
+the host will only reply to requests for its addresses,
+and will never send any requests.
+.It Fl staticarp
+If the Address Resolution Protocol is enabled,
+the host will perform normally,
+sending out requests and listening for replies.
 .It Cm broadcast
 (Inet only.)
 Specify the address to use to represent broadcasts to the
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
index b174c94..907a5a7 100644
--- a/sbin/ifconfig/ifconfig.c
+++ b/sbin/ifconfig/ifconfig.c
@@ -234,6 +234,8 @@ struct	cmd {
 	{ "-link2",	-IFF_LINK2,	setifflags },
 	{ "monitor",	IFF_MONITOR,	setifflags },
 	{ "-monitor",	-IFF_MONITOR,	setifflags },
+	{ "staticarp",	IFF_STATICARP,	setifflags },
+	{ "-staticarp",	-IFF_STATICARP,	setifflags },
 #ifdef USE_IF_MEDIA
 	{ "media",	NEXTARG,	setmedia },
 	{ "mode",	NEXTARG,	setmediamode },
@@ -1037,7 +1039,7 @@ setifmtu(const char *val, int dummy __unused, int s,
 #define	IFFBITS \
 "\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6SMART\7RUNNING" \
 "\10NOARP\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2" \
-"\20MULTICAST\023MONITOR"
+"\20MULTICAST\023MONITOR\024STATICARP"
 
 #define	IFCAPBITS \
 "\003\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU"