From 2dc0f134aa7ec68ea7892a0d5e18d2e70b59a40e Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 13 May 2012 22:16:48 +0200
Subject: [PATCH] parse point to point ip addresses

---
 dummy/netifd-proto.sh | 10 +++++++---
 interface-ip.h        |  1 +
 proto.c               | 10 ++++++++--
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh
index 99ad11e..a38f9d9 100755
--- a/dummy/netifd-proto.sh
+++ b/dummy/netifd-proto.sh
@@ -105,8 +105,9 @@ proto_add_ipv4_address() {
 	local address="$1"
 	local mask="$2"
 	local broadcast="$3"
+	local ptp="$4"
 
-	jshn_append PROTO_IPADDR "$address/$mask/$broadcast"
+	jshn_append PROTO_IPADDR "$address/$mask/$broadcast/$ptp"
 }
 
 proto_add_ipv6_address() {
@@ -134,18 +135,21 @@ proto_add_ipv6_route() {
 
 _proto_push_ipv4_addr() {
 	local str="$1"
-	local address mask broadcast
+	local address mask broadcast ptp
 
 	address="${str%%/*}"
 	str="${str#*/}"
 	mask="${str%%/*}"
 	str="${str#*/}"
-	broadcast="$str"
+	broadcast="${str%%/*}"
+	str="${str#*/}"
+	ptp="$str"
 
 	json_add_object ""
 	json_add_string ipaddr "$address"
 	[ -n "$mask" ] && json_add_string mask "$mask"
 	[ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
+	[ -n "$ptp" ] && json_add_string ptp "$ptp"
 	json_close_object
 }
 
diff --git a/interface-ip.h b/interface-ip.h
index cbfcb49..ae5a63e 100644
--- a/interface-ip.h
+++ b/interface-ip.h
@@ -40,6 +40,7 @@ struct device_addr {
 
 	/* ipv4 only */
 	uint32_t broadcast;
+	uint32_t point_to_point;
 
 	/* must be last */
 	enum device_addr_flags flags;
diff --git a/proto.c b/proto.c
index ed0a008..8266e81 100644
--- a/proto.c
+++ b/proto.c
@@ -64,6 +64,7 @@ enum {
 	ADDR_IPADDR,
 	ADDR_MASK,
 	ADDR_BROADCAST,
+	ADDR_PTP,
 	__ADDR_MAX
 };
 
@@ -71,6 +72,7 @@ static const struct blobmsg_policy proto_ip_addr[__ADDR_MAX] = {
 	[ADDR_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_STRING },
 	[ADDR_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_STRING },
 	[ADDR_BROADCAST] = { .name = "broadcast", .type = BLOBMSG_TYPE_STRING },
+	[ADDR_PTP] = { .name = "ptp", .type = BLOBMSG_TYPE_STRING },
 };
 
 unsigned int
@@ -226,8 +228,12 @@ parse_address_item(struct blob_attr *attr, bool v6, bool ext)
 	if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(cur), &addr->addr))
 		goto error;
 
-	if (!v6 && (cur = tb[ADDR_BROADCAST])) {
-		if (!inet_pton(AF_INET, blobmsg_data(cur), &addr->broadcast))
+	if (!v6) {
+		if ((cur = tb[ADDR_BROADCAST]) &&
+		    !inet_pton(AF_INET, blobmsg_data(cur), &addr->broadcast))
+			goto error;
+		if ((cur = tb[ADDR_PTP]) &&
+		    !inet_pton(AF_INET, blobmsg_data(cur), &addr->point_to_point))
 			goto error;
 	}
 
-- 
2.25.1