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net: lwip: add TFTP_BLOCKSIZE

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Add support for setting the TFTP block size. The default value (1468)
is fine for Ethernet and allows a better throughput than the TFTP
default (512), if the server supports the blksize option of course.

I tested this change with qemu_arm64_lwip_defconfig. The throughput is
now 875 KiB/s vs. 313 KiB/s before. That is still a low number, but I
think we can't expect more without implementing the windowsize option.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Jerome Forissier
2024-10-16 12:04:13 +02:00
committed by Tom Rini
parent 27d7ccda94
commit e65c5e3e73
2 changed files with 12 additions and 10 deletions
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2
net/lwip/tftp.c
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@@ -139,6 +139,8 @@ static int tftp_loop(struct udevice *udev, ulong addr, char *fname,
if (!(err == ERR_OK || err == ERR_USE))
log_err("tftp_init_client err: %d\n", err);
tftp_client_set_blksize(CONFIG_TFTP_BLOCKSIZE);
ctx.start_time = get_timer(0);
err = tftp_get(&ctx, &srvip, srvport, fname, TFTP_MODE_OCTET);
/* might return different errors, like routing problems */