[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

Remove the unneeded define TFTP_MTU_BLOCKSIZE. Since the KConfig migration done by commit b618b3707633 ("net: Convert CONFIG_TFTP_BLOCKSIZE to Kconfig"), CONFIG_TFTP_BLOCKSIZE is always defined and can be used directly to avoid confusion (fallback to 1468 in code is never used).
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com ---
net/tftp.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/net/tftp.c b/net/tftp.c index 585eb6ef0c..be24e63075 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -133,14 +133,9 @@ static char tftp_filename[MAX_LEN]; * almost-MTU block sizes. At least try... fall back to 512 if need be. * (but those using CONFIG_IP_DEFRAG may want to set a larger block in cfg file) */ -#ifdef CONFIG_TFTP_BLOCKSIZE -#define TFTP_MTU_BLOCKSIZE CONFIG_TFTP_BLOCKSIZE -#else -#define TFTP_MTU_BLOCKSIZE 1468 -#endif
static unsigned short tftp_block_size = TFTP_BLOCK_SIZE; -static unsigned short tftp_block_size_option = TFTP_MTU_BLOCKSIZE; +static unsigned short tftp_block_size_option = CONFIG_TFTP_BLOCKSIZE;
static inline int store_block(int block, uchar *src, unsigned int len) {

On Wed, Apr 22, 2020 at 02:18:26PM +0200, Patrick Delaunay wrote:
Remove the unneeded define TFTP_MTU_BLOCKSIZE. Since the KConfig migration done by commit b618b3707633 ("net: Convert CONFIG_TFTP_BLOCKSIZE to Kconfig"), CONFIG_TFTP_BLOCKSIZE is always defined and can be used directly to avoid confusion (fallback to 1468 in code is never used).
Signed-off-by: Patrick Delaunay patrick.delaunay@st.com
Applied to u-boot/master, thanks!

On Wed, Apr 22, 2020 at 02:18:25PM +0200, Patrick Delaunay wrote:
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
Applied to u-boot/master, thanks!
participants (2)
-
Patrick Delaunay
-
Tom Rini