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author | Wolfgang Denk <wd@pollux.(none)> | 2005-09-24 20:37:32 (GMT) |
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committer | Wolfgang Denk <wd@pollux.(none)> | 2005-09-24 20:37:32 (GMT) |
commit | ecb0ccd9c260701183bc8d35966e65e6a2feb2f6 (patch) | |
tree | df0f0ae80b3aab8666227305a709b7940cc9949b /README | |
parent | 4bc12f1ccf8f449c875594675f2d86305bb74097 (diff) | |
download | u-boot-fsl-qoriq-ecb0ccd9c260701183bc8d35966e65e6a2feb2f6.tar.xz |
Allow to force TFTP to use a fixed UDP port
(Add a configuration option CONFIG_TFTP_PORT and optional env variable tftpport)
Patch by Jerry Van Baren, 10 Jan 2005
Diffstat (limited to 'README')
-rw-r--r-- | README | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -1487,6 +1487,22 @@ The following options need to be configured: When SystemACE support is added, the "ace" device type becomes available to the fat commands, i.e. fatls. +- TFTP Fixed UDP Port: + CONFIG_TFTP_PORT + + If this is defined, the environment variable tftpport + is used to supply the TFTP UDP source port value. + If tftpport isn't defined, the normal pseudo-random port + number generator is used. + + The purpose for this is to allow a TFTP server to + blindly start the TFTP transfer using the pre-configured + target IP address and UDP port. This has the effect of + "punching through" the (Windows XP) firewall, allowing + the remainder of the TFTP transfer to proceed normally. + A better solution is to properly configure the firewall, + but sometimes that is not allowed. + - Show boot progress: CONFIG_SHOW_BOOT_PROGRESS @@ -2452,6 +2468,9 @@ Some configuration options can be set using Environment Variables: Useful on scripts which control the retry operation themselves. + tftpport - If this is set, the value is used for TFTP's + UDP source port. + vlan - When set to a value < 4095 the traffic over ethernet is encapsulated/received over 802.1q VLAN tagged frames. |