+config TFTP_TSIZE
+ bool "Track TFTP transfers based on file size option"
+ depends on CMD_TFTPBOOT
+ default y if (ARCH_OMAP2PLUS || ARCH_K3)
+ help
+ By default, TFTP progress bar is increased for each received UDP
+ frame, which can lead into long time being spent for sending
+ data over the UART. Enabling this option, TFTP queries the file
+ size from server, and if supported, limits the progress bar to
+ 50 characters total which fits on single line.
+
+config SERVERIP_FROM_PROXYDHCP
+ bool "Get serverip value from Proxy DHCP response"
+ help
+ Allows bootfile config to be fetched from Proxy DHCP server
+ while IP is obtained from main DHCP server.
+
+config SERVERIP_FROM_PROXYDHCP_DELAY_MS
+ int "# of additional milliseconds to wait for ProxyDHCP response"
+ default 100
+ help
+ Amount of additional time to wait for ProxyDHCP response after
+ receiving response from main DHCP server. Has no effect if
+ SERVERIP_FROM_PROXYDHCP is false.
+
+config KEEP_SERVERADDR
+ bool "Write the server's MAC address to 'serveraddr'"
+ default y if SANDBOX
+ help
+ Keeps the server's MAC address, in the env 'serveraddr'
+ for passing to bootargs (like Linux's netconsole option). If this is
+ enabled, when an ARP reply is received, the server's IP address is
+ written there.
+
+config UDP_CHECKSUM
+ bool "Check the UDP checksum"
+ default y if SANDBOX
+ help
+ Enable this to verify the checksum on UDP packets. If the checksum
+ is wrong then the packet is discarded and an error is shown, like
+ "UDP wrong checksum 29374a23 30ff3826"
+
+config BOOTP_SERVERIP
+ bool "Use the 'serverip' env var for tftp, not bootp"
+ help
+ Enable this if the TFTP server will be the 'serverip' environment
+ variable, not the BOOTP server. This affects the operation of both
+ bootp and tftp.
+
+config BOOTP_MAX_ROOT_PATH_LEN
+ int "Option 17 root path length"
+ default 64
+ help
+ Select maximal length of option 17 root path.
+
+config USE_GATEWAYIP
+ bool "Set a default 'gateway' value in the environment"
+ help
+ Defines a default value for the IP address of the default router
+ where packets to other networks are sent to. (Environment variable
+ "gatewayip")
+
+config GATEWAYIP
+ string "Value of the default 'gateway' value in the environment"
+ depends on USE_GATEWAYIP
+
+config USE_IPADDR
+ bool "Set a default 'ipaddr' value in the environment"
+ help
+ Define a default value for the IP address to use for the default
+ Ethernet interface, in case this is not determined through e.g.
+ bootp. (Environment variable "ipaddr")
+
+config IPADDR
+ string "Value of the default 'ipaddr' value in the environment"
+ depends on USE_IPADDR
+
+config USE_NETMASK
+ bool "Set a default 'netmask' value in the environment"
+ help
+ Defines a default value for the subnet mask (or routing prefix) which
+ is used to determine if an IP address belongs to the local subnet or
+ needs to be forwarded through a router. (Environment variable "netmask")
+
+config NETMASK
+ string "Value of the default 'netmask' value in the environment"
+ depends on USE_NETMASK
+
+config USE_ROOTPATH
+ bool "Set a default 'rootpath' value in the environment"
+
+config ROOTPATH
+ string "Value of the default 'rootpath' value in the environment"
+ depends on USE_ROOTPATH
+ default "/opt/nfsroot"
+
+config USE_SERVERIP
+ bool "Set a default 'serverip' value in the environment"
+ help
+ Defines a default value for the IP address of a TFTP server to
+ contact when using the "tftboot" command. (Environment variable
+ "serverip")
+
+config SERVERIP
+ string "Value of the default 'serverip' value in the environment"
+ depends on USE_SERVERIP
+
+config PROT_TCP
+ bool "TCP stack"
+ help
+ Enable a generic tcp framework that allows defining a custom
+ handler for tcp protocol.
+
+config PROT_TCP_SACK
+ bool "TCP SACK support"
+ depends on PROT_TCP
+ help
+ TCP protocol with SACK. SACK means selective acknowledgements.
+ By turning this option on TCP will learn what segments are already
+ received. So that it improves TCP's retransmission efficiency.
+ This option should be turn on if you want to achieve the fastest
+ file transfer possible.
+
+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.
+