sys: add ipv4 arp ioctls

5 files changed, 63 insertions, 2 deletions

diff --git a/sys/socket.txt b/sys/socket.txt
index 988921d2e..03bd0079a 100644
--- a/sys/socket.txt
+++ b/sys/socket.txt
@@ -82,6 +82,7 @@ sockaddr [
 	nfc		sockaddr_nfc
 # TODO: AF_VSOCK
 # TODO: AF_QIPCRTR
+	ethernet	sockaddr_ethernet
 	generic		sockaddr_generic
 ]
 
@@ -125,6 +126,7 @@ sockaddr_all [
 	nfc_llcp	sockaddr_nfc_llcp
 # TODO: AF_VSOCK
 # TODO: AF_QIPCRTR
+	ethernet	sockaddr_ethernet
 	generic		sockaddr_all_generic
 ] [varlen]
 
@@ -204,7 +206,7 @@ sockopt_so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE, SOF_TIMESTAMPING_TX_SOFT
 
 # TODO: SIOCADDRT, SIOCDELRT, SIOCRTMSG
 # TODO: ETHTOOL commands (SIOCETHTOOL, ...)
-# TODO: SIOCDARP, SIOCGARP, SIOCSARP, SIOCDRARP, SIOCGRARP, SIOCSRARP
+# TODO: SIOCDRARP, SIOCGRARP, SIOCSRARP
 # TODO: SIOCGIFVLAN, SIOCSIFVLAN
 # TODO: SIOCGSTAMP, SIOCGSTAMPNS
 
diff --git a/sys/socket_inet.txt b/sys/socket_inet.txt
index cae635dd8..d42c28ad1 100644
--- a/sys/socket_inet.txt
+++ b/sys/socket_inet.txt
@@ -4,6 +4,7 @@
 include <linux/ip.h>
 include <linux/ipv6.h>
 include <linux/route.h>
+include <uapi/linux/if_arp.h>
 include <uapi/linux/netfilter_ipv6/ip6_tables.h>
 
 # IP sockets
@@ -190,8 +191,14 @@ ioctl$inet_SIOCADDRT(fd sock_in, cmd const[SIOCADDRT], arg ptr[in, rtentry_in])
 ioctl$inet_SIOCDELRT(fd sock_in, cmd const[SIOCDELRT], arg ptr[in, rtentry_in])
 ioctl$inet_SIOCRTMSG(fd sock_in, cmd const[SIOCRTMSG], arg ptr[in, rtentry_in])
 
+ioctl$inet_SIOCDARP(fd sock_in, cmd const[SIOCDARP], arg ptr[in, arpreq_in])
+ioctl$inet_SIOCGARP(fd sock_in, cmd const[SIOCGARP], arg ptr[inout, arpreq_in])
+ioctl$inet_SIOCSARP(fd sock_in, cmd const[SIOCSARP], arg ptr[in, arpreq_in])
+
 # TODO: more here
 
+rt_flags = RTF_UP, RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC, RTF_MODIFIED, RTF_MTU, RTF_WINDOW, RTF_IRTT, RTF_REJECT
+
 rtentry_in {
 	rt_pad1		int64
 	rt_dst		sockaddr_in
@@ -208,4 +215,20 @@ rtentry_in {
 	rt_irtt		int16
 }
 
-rt_flags = RTF_UP, RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC, RTF_MODIFIED, RTF_MTU, RTF_WINDOW, RTF_IRTT, RTF_REJECT
+sockaddr_ethernet_family = ARPHRD_ETHER, ARPHRD_FDDI, ARPHRD_IEEE802
+
+sockaddr_ethernet {
+	sa_family	flags[sockaddr_ethernet_family, int16]
+	sa_data		mac_addr
+	pad		array[const[0, int8], 8]
+}
+
+arp_flags = ATF_COM, ATF_PERM, ATF_PUBL, ATF_USETRAILERS, ATF_NETMASK, ATF_DONTPUB
+
+arpreq_in {
+	arp_pa		sockaddr_in
+	arp_ha		sockaddr_ethernet
+	arp_flags	flags[arp_flags, int32]
+	arp_netmask	sockaddr_in
+	arp_dev		devname
+}
diff --git a/sys/socket_inet_amd64.const b/sys/socket_inet_amd64.const
index 3c0c2efe1..116e43ae3 100644
--- a/sys/socket_inet_amd64.const
+++ b/sys/socket_inet_amd64.const
@@ -1,5 +1,14 @@
 # AUTOGENERATED FILE
 AF_INET = 2
+ARPHRD_ETHER = 1
+ARPHRD_FDDI = 774
+ARPHRD_IEEE802 = 6
+ATF_COM = 2
+ATF_DONTPUB = 64
+ATF_NETMASK = 32
+ATF_PERM = 4
+ATF_PUBL = 8
+ATF_USETRAILERS = 16
 IPPROTO_IP = 0
 IP_ADD_MEMBERSHIP = 35
 IP_ADD_SOURCE_MEMBERSHIP = 39
@@ -63,8 +72,11 @@ RTF_REJECT = 512
 RTF_UP = 1
 RTF_WINDOW = 128
 SIOCADDRT = 35083
+SIOCDARP = 35155
 SIOCDELRT = 35084
+SIOCGARP = 35156
 SIOCRTMSG = 35085
+SIOCSARP = 35157
 __NR_accept = 43
 __NR_accept4 = 288
 __NR_bind = 49
diff --git a/sys/socket_inet_arm64.const b/sys/socket_inet_arm64.const
index 8352659cc..aaba7ef8d 100644
--- a/sys/socket_inet_arm64.const
+++ b/sys/socket_inet_arm64.const
@@ -1,5 +1,14 @@
 # AUTOGENERATED FILE
 AF_INET = 2
+ARPHRD_ETHER = 1
+ARPHRD_FDDI = 774
+ARPHRD_IEEE802 = 6
+ATF_COM = 2
+ATF_DONTPUB = 64
+ATF_NETMASK = 32
+ATF_PERM = 4
+ATF_PUBL = 8
+ATF_USETRAILERS = 16
 IPPROTO_IP = 0
 IP_ADD_MEMBERSHIP = 35
 IP_ADD_SOURCE_MEMBERSHIP = 39
@@ -63,8 +72,11 @@ RTF_REJECT = 512
 RTF_UP = 1
 RTF_WINDOW = 128
 SIOCADDRT = 35083
+SIOCDARP = 35155
 SIOCDELRT = 35084
+SIOCGARP = 35156
 SIOCRTMSG = 35085
+SIOCSARP = 35157
 __NR_accept = 202
 __NR_accept4 = 242
 __NR_bind = 200
diff --git a/sys/socket_inet_ppc64le.const b/sys/socket_inet_ppc64le.const
index 269450c18..238b647d8 100644
--- a/sys/socket_inet_ppc64le.const
+++ b/sys/socket_inet_ppc64le.const
@@ -1,5 +1,14 @@
 # AUTOGENERATED FILE
 AF_INET = 2
+ARPHRD_ETHER = 1
+ARPHRD_FDDI = 774
+ARPHRD_IEEE802 = 6
+ATF_COM = 2
+ATF_DONTPUB = 64
+ATF_NETMASK = 32
+ATF_PERM = 4
+ATF_PUBL = 8
+ATF_USETRAILERS = 16
 IPPROTO_IP = 0
 IP_ADD_MEMBERSHIP = 35
 IP_ADD_SOURCE_MEMBERSHIP = 39
@@ -63,8 +72,11 @@ RTF_REJECT = 512
 RTF_UP = 1
 RTF_WINDOW = 128
 SIOCADDRT = 35083
+SIOCDARP = 35155
 SIOCDELRT = 35084
+SIOCGARP = 35156
 SIOCRTMSG = 35085
+SIOCSARP = 35157
 __NR_accept = 330
 __NR_accept4 = 344
 __NR_bind = 327