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Allow to force TFTP to use a fixed UDP port

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(Add a configuration option CONFIG_TFTP_PORT and optional env variable tftpport)
Patch by Jerry Van Baren, 10 Jan 2005
This commit is contained in:
Wolfgang Denk 2005-09-24 22:37:32 +02:00
parent 4bc12f1ccf
commit ecb0ccd9c2
3 changed files with 34 additions and 0 deletions
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10
net/tftp.c
View file

@ -313,6 +313,10 @@ TftpTimeout (void)
void
TftpStart (void)
{
#ifdef CONFIG_TFTP_PORT
char *ep; /* Environment pointer */
#endif
if (BootFile[0] == '\0') {
sprintf(default_filename, "%02lX%02lX%02lX%02lX.img",
NetOurIP & 0xFF,
@ -364,7 +368,13 @@ TftpStart (void)
TftpServerPort = WELL_KNOWN_PORT;
TftpTimeoutCount = 0;
TftpState = STATE_RRQ;
/* Use a pseudo-random port unless a specific port is set */
TftpOurPort = 1024 + (get_timer(0) % 3072);
#ifdef CONFIG_TFTP_PORT
if ((ep = getenv("tftpport")) != NULL) {
TftpOurPort= simple_strtol(ep, NULL, 10);
}
#endif
TftpBlock = 0;
/* zero out server ether in case the server ip has changed */