mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 04:23:46 +00:00
bfce0ca9d4
Add documentation for the wget command. Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Ramon Fried <rfried.dev@gmail.com> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
61 lines
1.3 KiB
ReStructuredText
61 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+:
|
|
|
|
wget command
|
|
============
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
::
|
|
wget address [[hostIPaddr:]path]
|
|
|
|
Description
|
|
-----------
|
|
|
|
The wget command is used to download a file from an HTTP server.
|
|
|
|
wget command will use HTTP over TCP to download files from an HTTP server.
|
|
Currently it can only download image from an HTTP server hosted on port 80.
|
|
|
|
address
|
|
memory address for the data downloaded
|
|
|
|
hostIPaddr
|
|
IP address of the HTTP server, defaults to the value of environment
|
|
variable *serverip*
|
|
|
|
path
|
|
path of the file to be downloaded.
|
|
|
|
Example
|
|
-------
|
|
|
|
In the example the following steps are executed:
|
|
|
|
* setup client network address
|
|
* download a file from the HTTP server
|
|
|
|
::
|
|
|
|
=> setenv autoload no
|
|
=> dhcp
|
|
BOOTP broadcast 1
|
|
*** Unhandled DHCP Option in OFFER/ACK: 23
|
|
*** Unhandled DHCP Option in OFFER/ACK: 23
|
|
DHCP client bound to address 192.168.1.105 (210 ms)
|
|
=> wget ${loadaddr} 192.168.1.254:/index.html
|
|
HTTP/1.0 302 Found
|
|
Packets received 4, Transfer Successful
|
|
|
|
Configuration
|
|
-------------
|
|
|
|
The command is only available if CONFIG_CMD_WGET=y.
|
|
|
|
CONFIG_PROT_TCP_SACK can be turned on for the TCP SACK options. This will
|
|
help increasing the downloading speed.
|
|
|
|
Return value
|
|
------------
|
|
|
|
The return value $? is 0 (true) on success and 1 (false) otherwise.
|