From ff7878ed43c5a566836c4772ff654248df4f89f8 Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andreyknvl@google.com>
Date: Mon, 13 Feb 2017 17:29:46 +0100
Subject: sys: add basic ipx packet description

---
 sys/vnet.txt           | 44 ++++++++++++++++++++++++++++++++++++++++++++
 sys/vnet_amd64.const   |  6 ++++++
 sys/vnet_arm64.const   |  6 ++++++
 sys/vnet_ppc64le.const |  6 ++++++
 4 files changed, 62 insertions(+)

(limited to 'sys')

diff --git a/sys/vnet.txt b/sys/vnet.txt
index 5f298a5b9..c3c041549 100644
--- a/sys/vnet.txt
+++ b/sys/vnet.txt
@@ -80,6 +80,7 @@ eth2_packet {
 
 eth2_payload [
 	arp		arp_packet
+	ipx		ipx_packet
 	ipv4		ipv4_packet
 	ipv6		ipv6_packet
 ] [varlen]
@@ -138,6 +139,49 @@ arp_packet [
 	ether_ipv6	arp_ether_ipv6_packet
 ] [varlen]
 
+################################################################################
+###################################### IPX #####################################
+################################################################################
+
+# http://www.networksorcery.com/enp/protocol/ipx.htm
+# https://en.wikipedia.org/wiki/Internetwork_Packet_Exchange#IPX_packet_structure
+
+include <net/ipx.h>
+
+ipx_network [
+	random		int32be
+	current		const[0x00000000, int32be]
+	broadcast	const[0xffffffff, int32be]
+]
+
+ipx_node [
+	random		array[int8, 6]
+	current		array[const[0x00, int8], 6]
+	broadcast	array[const[0xff, int8], 6]
+]
+
+ipx_addr {
+	network		ipx_network
+	node		ipx_node
+	socket		int16be
+} [packed]
+
+ipx_packet_types = IPX_TYPE_UNKNOWN, IPX_TYPE_RIP, IPX_TYPE_SAP, IPX_TYPE_SPX, IPX_TYPE_NCP, IPX_TYPE_PPROP
+
+ipx_packet {
+	csum		const[0xffff, int16be]
+	length		len[parent, int16be]
+	control		int8
+	type		flags[ipx_packet_types, int8]
+	dst_addr	ipx_addr
+	src_addr	ipx_addr
+	payload		array[int8]
+} [packed]
+
+# TODO: setup ipx on virtual interfaces in executor
+# TODO: describe particular ipx types
+# TODO: open ipx sockets from userspace
+
 ################################################################################
 ##################################### IPv4 #####################################
 ################################################################################
diff --git a/sys/vnet_amd64.const b/sys/vnet_amd64.const
index 6933b47a7..be04e278d 100644
--- a/sys/vnet_amd64.const
+++ b/sys/vnet_amd64.const
@@ -268,6 +268,12 @@ IPV6_TLV_JUMBO = 194
 IPV6_TLV_PAD1 = 0
 IPV6_TLV_PADN = 1
 IPV6_TLV_ROUTERALERT = 5
+IPX_TYPE_NCP = 17
+IPX_TYPE_PPROP = 20
+IPX_TYPE_RIP = 1
+IPX_TYPE_SAP = 4
+IPX_TYPE_SPX = 5
+IPX_TYPE_UNKNOWN = 0
 NEXTHDR_AUTH = 51
 NEXTHDR_DEST = 60
 NEXTHDR_ESP = 50
diff --git a/sys/vnet_arm64.const b/sys/vnet_arm64.const
index 6933b47a7..be04e278d 100644
--- a/sys/vnet_arm64.const
+++ b/sys/vnet_arm64.const
@@ -268,6 +268,12 @@ IPV6_TLV_JUMBO = 194
 IPV6_TLV_PAD1 = 0
 IPV6_TLV_PADN = 1
 IPV6_TLV_ROUTERALERT = 5
+IPX_TYPE_NCP = 17
+IPX_TYPE_PPROP = 20
+IPX_TYPE_RIP = 1
+IPX_TYPE_SAP = 4
+IPX_TYPE_SPX = 5
+IPX_TYPE_UNKNOWN = 0
 NEXTHDR_AUTH = 51
 NEXTHDR_DEST = 60
 NEXTHDR_ESP = 50
diff --git a/sys/vnet_ppc64le.const b/sys/vnet_ppc64le.const
index 6933b47a7..be04e278d 100644
--- a/sys/vnet_ppc64le.const
+++ b/sys/vnet_ppc64le.const
@@ -268,6 +268,12 @@ IPV6_TLV_JUMBO = 194
 IPV6_TLV_PAD1 = 0
 IPV6_TLV_PADN = 1
 IPV6_TLV_ROUTERALERT = 5
+IPX_TYPE_NCP = 17
+IPX_TYPE_PPROP = 20
+IPX_TYPE_RIP = 1
+IPX_TYPE_SAP = 4
+IPX_TYPE_SPX = 5
+IPX_TYPE_UNKNOWN = 0
 NEXTHDR_AUTH = 51
 NEXTHDR_DEST = 60
 NEXTHDR_ESP = 50
-- 
cgit mrf-deployment