if NET
+config ARP_TIMEOUT
+ int "Milliseconds before trying ARP again"
+ default 5000
+
+config NET_RETRY_COUNT
+ int "Number of timeouts before giving up"
+ default 5
+ help
+ This variable defines the number of retries for network operations
+ like ARP, RARP, TFTP, or BOOTP before giving up the operation.
+
+config PROT_UDP
+ bool "Enable generic udp framework"
+ help
+ Enable a generic udp framework that allows defining a custom
+ handler for udp protocol.
+
config BOOTP_SEND_HOSTNAME
bool "Send hostname to DNS server"
help
config NET_RANDOM_ETHADDR
bool "Random ethaddr if unset"
help
- Selecting this will allow the Ethernet interface to function
- even when the ethaddr variable for that interface is unset.
- A new MAC address will be generated on every boot and it will
- not be added to the environment.
+ Selecting this will allow the Ethernet interface to function even
+ when the ethaddr variable for that interface is unset. In this case,
+ a random MAC address in the locally administered address space is
+ generated. It will be saved to the appropriate environment variable,
+ too.
config NETCONSOLE
bool "NetConsole support"
config IP_DEFRAG
bool "Support IP datagram reassembly"
- default n
help
Selecting this will enable IP datagram reassembly according
to the algorithm in RFC815.
used for reassembly, and thus an upper bound for the size of
IP datagrams that can be received.
+config SYS_FAULT_ECHO_LINK_DOWN
+ bool "Echo the inverted Ethernet link state to the fault LED"
+ help
+ Echo the inverted Ethernet link state to the fault LED. Note, if
+ this option is active, then CONFIG_SYS_FAULT_MII_ADDR also needs to
+ be configured.
+
config TFTP_BLOCKSIZE
int "TFTP block size"
default 1468
almost-MTU block sizes.
You can also activate CONFIG_IP_DEFRAG to set a larger block.
+config TFTP_WINDOWSIZE
+ int "TFTP window size"
+ default 1
+ help
+ Default TFTP window size.
+ RFC7440 defines an optional window size of transmits,
+ before an ack response is required.
+ The default TFTP implementation implies a window size of 1.
+
+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 discussed 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.
+
endif # if NET