[PATCH 1/2] net: tftp: Add help for CONFIG_TFTP_BLOCKSIZE

Add help message for the CONFIG_TFTP_BLOCKSIZE default value, as explain in tftp.c before migration in commit b618b3707633 ("net: Convert CONFIG_TFTP_BLOCKSIZE to Kconfig")

Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---

net/Kconfig | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/net/Kconfig b/net/Kconfig index 96bbce1778..ac6d0cf8a6 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -44,5 +44,9 @@ config TFTP_BLOCKSIZE 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.

endif # if NET