[PATCH 02/17] net: ipv6: Add IPv6 build options

[Viacheslav Mitrofanov]

Add options to Makefile and Kconfig file to build IPv6

Series-changes: 3
- Added help for IPv6 support

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov at yadro.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
 net/Kconfig  | 10 ++++++++++
 net/Makefile |  1 +
 2 files changed, 11 insertions(+)

diff --git a/net/Kconfig b/net/Kconfig
index 52e261884d..24a3cfa5f4 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -174,6 +174,16 @@ config BOOTP_MAX_ROOT_PATH_LEN
 	help
 	  Select maximal length of option 17 root path.
 
+config IPV6
+	bool "IPv6 support"
+	help
+	  Enable IPv6 support. It includes Neighbour Discovery protocol, ICMPv6
+	  and auxiliary stuff to make it work. Since it is enabled u-boot
+	  network subsystem can get and handle incoming packets and send packets
+	  through IPv6 network. It allows to use environment variables such as
+	  ip6addr, serverip6. If a u-boot command is capable to parse an IPv6
+	  address and find it, it will force using IPv6 in the network stack.
+
 endif   # if NET
 
 config SYS_RX_ETH_BUFFER
diff --git a/net/Makefile b/net/Makefile
index 6c812502d3..4ea2a14f27 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_DM_MDIO_MUX) += mdio-mux-uclass.o
 obj-$(CONFIG_NET)      += eth_common.o
 obj-$(CONFIG_CMD_LINK_LOCAL) += link_local.o
 obj-$(CONFIG_NET)      += net.o
+obj-$(CONFIG_IPV6)     += net6.o
 obj-$(CONFIG_CMD_NFS)  += nfs.o
 obj-$(CONFIG_CMD_PING) += ping.o
 obj-$(CONFIG_CMD_PCAP) += pcap.o
-- 
2.25.1