* Update TRAB auto update code
* Make fatload set filesize environment variable
fix potential buffer overlow problem
* enable basic / medium / high-end configurations for PPChameleonEVB
board; fix NAND code
* enable TFTP client code to specify to the server the desired
timeout value (see RFC-2349)
diff --git a/net/tftp.c b/net/tftp.c
index 1154cb9..049df68 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -15,7 +15,7 @@
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#define WELL_KNOWN_PORT 69 /* Well known TFTP port # */
-#define TIMEOUT 2 /* Seconds to timeout for a lost pkt */
+#define TIMEOUT 5 /* Seconds to timeout for a lost pkt */
#ifndef CONFIG_NET_RETRY_COUNT
# define TIMEOUT_COUNT 10 /* # of timeouts before giving up */
#else
@@ -32,6 +32,7 @@
#define TFTP_DATA 3
#define TFTP_ACK 4
#define TFTP_ERROR 5
+#define TFTP_OACK 6
static int TftpServerPort; /* The UDP port at their end */
@@ -44,6 +45,7 @@
#define STATE_DATA 2
#define STATE_TOO_LARGE 3
#define STATE_BAD_MAGIC 4
+#define STATE_OACK 5
#define DEFAULT_NAME_LEN (8 + 4 + 1)
static char default_filename[DEFAULT_NAME_LEN];
@@ -113,10 +115,18 @@
pkt += strlen(tftp_filename) + 1;
strcpy ((char *)pkt, "octet");
pkt += 5 /*strlen("octet")*/ + 1;
+ strcpy ((char *)pkt, "timeout");
+ pkt += 7 /*strlen("timeout")*/ + 1;
+ sprintf((char *)pkt, "%d", TIMEOUT);
+#ifdef ET_DEBUG
+ printf("send option \"timeout %s\"\n", (char *)pkt);
+#endif
+ pkt += strlen((char *)pkt) + 1;
len = pkt - xp;
break;
case STATE_DATA:
+ case STATE_OACK:
xp = pkt;
*((ushort *)pkt)++ = htons(TFTP_ACK);
*((ushort *)pkt)++ = htons(TftpBlock);
@@ -173,6 +183,14 @@
default:
break;
+ case TFTP_OACK:
+#ifdef ET_DEBUG
+ printf("Got OACK: %s %s\n", pkt, pkt+strlen(pkt)+1);
+#endif
+ TftpState = STATE_OACK;
+ TftpServerPort = src;
+ TftpSend (); /* Send ACK */
+ break;
case TFTP_DATA:
if (len < 2)
return;
@@ -184,7 +202,13 @@
puts ("\n\t ");
}
+#ifdef ET_DEBUG
if (TftpState == STATE_RRQ) {
+ printf("Server did not acknowledge timeout option!\n");
+ }
+#endif
+
+ if (TftpState == STATE_RRQ || TftpState == STATE_OACK) {
TftpState = STATE_DATA;
TftpServerPort = src;
TftpLastBlock = 0;
@@ -305,6 +329,7 @@
TftpTimeoutCount = 0;
TftpState = STATE_RRQ;
TftpOurPort = 1024 + (get_timer(0) % 3072);
+ TftpBlock = 0;
/* zero out server ether in case the server ip has changed */
memset(NetServerEther, 0, 6);
