X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=README;h=67dc444bd4d0bbe92d2cefcf45b220d079f98c37;hb=fe4f97b98faccc142fe6e1668ba7ff945fcf3994;hp=6919392dca82c142ea00d9281393ddcde33ae981;hpb=2ab5be7af009b4a40efe2fa5471497c97e70ed28;p=karo-tx-uboot.git

diff --git a/README b/README
index 6919392dca..67dc444bd4 100644
--- a/README
+++ b/README
@@ -785,6 +785,8 @@ The following options need to be configured:
 		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
@@ -1592,10 +1594,17 @@ The following options need to be configured:
 		CONFIG_BOOTP_NTPSERVER
 		CONFIG_BOOTP_TIMEOFFSET
 		CONFIG_BOOTP_VENDOREX
+		CONFIG_BOOTP_MAY_FAIL
 
 		CONFIG_BOOTP_SERVERIP - TFTP server will be the serverip
 		environment variable, not the BOOTP server.
 
+		CONFIG_BOOTP_MAY_FAIL - If the DHCP server is not found
+		after the configured retry count, the call will fail
+		instead of starting over.  This can be used to fail over
+		to Link-local IP address configuration if the DHCP server
+		is not available.
+
 		CONFIG_BOOTP_DNS2 - If a DHCP client requests the DNS
 		serverip from a DHCP server, it is possible that more
 		than one DNS serverip is offered to the client.
@@ -1626,6 +1635,14 @@ The following options need to be configured:
 		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