[u-boot.git] / net / Kconfig

#
# 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.
	  A new MAC address will be generated on every boot and it will
	  not be added to the environment.

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.

endif   # if NET
Commit	Line	Data
ed36323f MY	1	#
	2	# Network configuration
	3	#
	4
	5	menuconfig NET
	6	bool "Networking support"
3b3ea2c5	7	default y
ed36323f MY	8
	9	if NET
	10
b43ea1bf PR	11	config PROT_UDP
	12	bool "Enable generic udp framework"
	13	help
	14	Enable a generic udp framework that allows defining a custom
	15	handler for udp protocol.
	16
3275f26b AF	17	config BOOTP_SEND_HOSTNAME
	18	bool "Send hostname to DNS server"
	19	help
	20	Some DHCP servers are capable to do a dynamic update of a
	21	DNS server. To do this, they need the hostname of the DHCP
	22	requester.
	23	If CONFIG_BOOTP_SEND_HOSTNAME is defined, the content
	24	of the "hostname" environment variable is passed as
	25	option 12 to the DHCP server.
	26
bef1014b JH	27	config NET_RANDOM_ETHADDR
	28	bool "Random ethaddr if unset"
	29	help
	30	Selecting this will allow the Ethernet interface to function
	31	even when the ethaddr variable for that interface is unset.
	32	A new MAC address will be generated on every boot and it will
	33	not be added to the environment.
	34
26660748 BN	35	config NETCONSOLE
	36	bool "NetConsole support"
	37	help
	38	Support the 'nc' input/output device for networked console.
	39	See README.NetConsole for details.
	40
3f6bcdf6 MV	41	config IP_DEFRAG
3f6bcdf6 MV	42	bool "Support IP datagram reassembly"
3f6bcdf6 MV	43	help
	44	Selecting this will enable IP datagram reassembly according
	45	to the algorithm in RFC815.
	46
215df01d RV	47	config NET_MAXDEFRAG
	48	int "Size of buffer used for IP datagram reassembly"
	49	depends on IP_DEFRAG
	50	default 16384
	51	range 1024 65536
	52	help
	53	This defines the size of the statically allocated buffer
	54	used for reassembly, and thus an upper bound for the size of
	55	IP datagrams that can be received.
	56
b618b370 MV	57	config TFTP_BLOCKSIZE
b618b370 MV	58	int "TFTP block size"
16cdc2da	59	default 1468
b618b370 MV	60	help
b618b370 MV	61	Default TFTP block size.
421de7fe PD	62	The MTU is typically 1500 for ethernet, so a TFTP block of
	63	1468 (MTU minus eth.hdrs) provides a good throughput with
	64	almost-MTU block sizes.
	65	You can also activate CONFIG_IP_DEFRAG to set a larger block.
b618b370	66
cc6b87ec RF	67	config TFTP_WINDOWSIZE
	68	int "TFTP window size"
	69	default 1
	70	help
	71	Default TFTP window size.
	72	RFC7440 defines an optional window size of transmits,
	73	before an ack response is required.
	74	The default TFTP implementation implies a window size of 1.
	75
2509493c TK	76	config TFTP_TSIZE
	77	bool "Track TFTP transfers based on file size option"
	78	depends on CMD_TFTPBOOT
	79	default y if (ARCH_OMAP2PLUS \|\| ARCH_K3)
	80	help
	81	By default, TFTP progress bar is increased for each received UDP
	82	frame, which can lead into long time being spent for sending
	83	data over the UART. Enabling this option, TFTP queries the file
	84	size from server, and if supported, limits the progress bar to
	85	50 characters total which fits on single line.
	86
c8e251f8 LF	87	config SERVERIP_FROM_PROXYDHCP
	88	bool "Get serverip value from Proxy DHCP response"
	89	help
	90	Allows bootfile config to be fetched from Proxy DHCP server
	91	while IP is obtained from main DHCP server.
	92
	93	config SERVERIP_FROM_PROXYDHCP_DELAY_MS
	94	int "# of additional milliseconds to wait for ProxyDHCP response"
	95	default 100
	96	help
	97	Amount of additional time to wait for ProxyDHCP response after
	98	receiving response from main DHCP server. Has no effect if
	99	SERVERIP_FROM_PROXYDHCP is false.
	100
ed36323f	101	endif # if NET