net: Add link-local addressing support
Code based on networking/zcip.c in busybox
commit 8531d76a15890c2c535908ce888b2e2aed35b172
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/README b/README
index 6e313ad..67dc444 100644
--- a/README
+++ b/README
@@ -785,6 +785,8 @@
CONFIG_CMD_JFFS2 * JFFS2 Support
CONFIG_CMD_KGDB * kgdb
CONFIG_CMD_LDRINFO ldrinfo (display Blackfin loader)
+ CONFIG_CMD_LINK_LOCAL * link-local IP address auto-configuration
+ (169.254.*.*)
CONFIG_CMD_LOADB loadb
CONFIG_CMD_LOADS loads
CONFIG_CMD_MD5SUM print md5 message digest
@@ -1633,6 +1635,14 @@
the DHCP timeout and retry process takes a longer than
this delay.
+ - Link-local IP address negotiation:
+ Negotiate with other link-local clients on the local network
+ for an address that doesn't require explicit configuration.
+ This is especially useful if a DHCP server cannot be guaranteed
+ to exist in all environments that the device must operate.
+
+ See doc/README.link-local for more information.
+
- CDP Options:
CONFIG_CDP_DEVICE_ID