diff options
Diffstat (limited to 'net/tftp.c')
| -rw-r--r-- | net/tftp.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/tftp.c b/net/tftp.c index fb98a346e..0fd6c6560 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -84,8 +84,14 @@ extern flash_info_t flash_info[]; /* 512 is poor choice for ethernet, MTU is typically 1500. * Minus eth.hdrs thats 1468. Can get 2x better throughput with * 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 TftpBlkSize=TFTP_BLOCK_SIZE; static unsigned short TftpBlkSizeOption=TFTP_MTU_BLOCKSIZE; @@ -466,9 +472,12 @@ TftpTimeout (void) void TftpStart (void) { -#ifdef CONFIG_TFTP_PORT char *ep; /* Environment pointer */ -#endif + + /* Allow the user to choose tftpblocksize */ + if ((ep = getenv("tftpblocksize")) != NULL) + TftpBlkSizeOption = simple_strtol(ep, NULL, 10); + debug("tftp block size is %i\n", TftpBlkSizeOption); TftpServerIP = NetServerIP; if (BootFile[0] == '\0') { |