123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126 |
- #
- # Network configuration
- #
- menuconfig NET
- bool "Networking support"
- default y
- if NET
- 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
- Some DHCP servers are capable to do a dynamic update of a
- DNS server. To do this, they need the hostname of the DHCP
- requester.
- If CONFIG_BOOTP_SEND_HOSTNAME is defined, the content
- of the "hostname" environment variable is passed as
- option 12 to the DHCP server.
- 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. 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"
- help
- Support the 'nc' input/output device for networked console.
- See README.NetConsole for details.
- config IP_DEFRAG
- bool "Support IP datagram reassembly"
- help
- Selecting this will enable IP datagram reassembly according
- to the algorithm in RFC815.
- config NET_MAXDEFRAG
- int "Size of buffer used for IP datagram reassembly"
- depends on IP_DEFRAG
- default 16384
- range 1024 65536
- help
- This defines the size of the statically allocated buffer
- used for reassembly, and thus an upper bound for the size of
- IP datagrams that can be received.
- config TFTP_BLOCKSIZE
- int "TFTP block size"
- default 1468
- help
- Default TFTP block size.
- The MTU is typically 1500 for ethernet, so a TFTP block of
- 1468 (MTU minus eth.hdrs) provides a good throughput with
- 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
|