From: "Ying-Chun Liu (PaulLiu)" paul.liu@linaro.org
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 --- doc/usage/cmd/wget.rst | 61 ++++++++++++++++++++++++++++++++++++++++++ doc/usage/index.rst | 1 + 2 files changed, 62 insertions(+) create mode 100644 doc/usage/cmd/wget.rst
diff --git a/doc/usage/cmd/wget.rst b/doc/usage/cmd/wget.rst new file mode 100644 index 0000000000..4fcfa03954 --- /dev/null +++ b/doc/usage/cmd/wget.rst @@ -0,0 +1,61 @@ +.. 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. diff --git a/doc/usage/index.rst b/doc/usage/index.rst index df50746c34..13ade7dffc 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -75,6 +75,7 @@ Shell commands cmd/true cmd/ums cmd/wdt + cmd/wget cmd/xxd
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