Hi Albert, On Sat, Oct 22, 2011 at 1:21 AM, Albert ARIBAUD <albert.u.b...@aribaud.net> wrote: > Le 22/10/2011 06:51, Simon Glass a écrit : >> >> The tftpboot command permits reading of files over a network interface >> using the Trivial FTP protocol. This patch series adds the ability to >> transfer files the other way. >> >> Why is this useful? >> >> - Uploading boot time data to a server >> - Uploading profiling information >> - Uploading large mounts of data for comparison / checking on a host >> (e.g. use tftpput and ghex2 instead of the 'md' command) > > Especially I find it interesting for backing up things like MTD and small > disk files (not partitions, though). Most of my work currently is trying to > bring mainline U-Boot support to existing boards with bad U-Boot > implementations, and being able to backup things from U-Boot (as opposed to > having to set up NFS root and Linux boot) would definitely be a plus. > >> Mostly the existing code can be re-used and I have tried to avoid too >> much refactoring or cleaning up. > > :) > >> The feature is activated by the CONFIG_CMD_TFTPPUT option. >> >> This has been very lightly tested on a Seaboard with a USB network >> adaptor. I don't think it handles block number overflow. > > What size does this limit transfers to?
I think about 1468 * 65535 - around 95MB - it's fairly easy to fix just by copying out the existing tftp get wrap code. I put it in the commit message so it wouldn't get lost. > >> Simon Glass (8): >> Move simple_itoa to vsprintf >> Add setenv_uint() and setenv_addr() >> tftpput: Rename TFTP to TFTPGET >> tftpput: move common code into separate functions >> tftpput: support selecting get/put for tftp >> tftpput: add save_addr and save_size global variables >> tftpput: implement tftp logic >> tftpput: add tftpput command > > Many U-Boot environments use 'tftp' as a shorthand to tftpboot. Did you > verify that this is not broken by the introduction of 'tftpput'? > > Also, I'd be happy to test this if a branch exists that already holds these > commits. I will see if I can organise one at Denx. Regards, Simon > > Amicalement, > -- > Albert. > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot