Signed-off-by: Remy Bohmer linux@bohmer.net --- net/tftp.c | 32 +++++++++++++++++++++++++++++--- 1 files changed, 29 insertions(+), 3 deletions(-)
diff --git a/net/tftp.c b/net/tftp.c index cc60a3b..d254f49 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -47,6 +47,16 @@ static int TftpTimeoutCountMax = TIMEOUT_COUNT; ulong TftpRRQTimeoutMSecs = TIMEOUT; int TftpRRQTimeoutCountMax = TIMEOUT_COUNT;
+enum { + TFTP_ERR_UNDEFINED = 0, + TFTP_ERR_FILE_NOT_FOUND = 1, + TFTP_ERR_ACCESS_DENIED = 2, + TFTP_ERR_DISK_FULL = 3, + TFTP_ERR_UNEXPECTED_OPCODE = 4, + TFT_ERR_UNKNOWN_TRANSFER_ID = 5, + TFTP_ERR_FILE_ALREADY_EXISTS = 6, +}; + static IPaddr_t TftpServerIP; static int TftpServerPort; /* The UDP port at their end */ static int TftpOurPort; /* The UDP port at our end */ @@ -472,11 +482,27 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) case TFTP_ERROR: printf ("\nTFTP error: '%s' (%d)\n", pkt + 2, ntohs(*(ushort *)pkt)); - puts ("Starting again\n\n"); + + switch (ntohs(*(ushort *)pkt)) { + case TFTP_ERR_FILE_NOT_FOUND: + case TFTP_ERR_ACCESS_DENIED: + puts("Not retrying...\n"); + eth_halt(); + NetState = NETLOOP_FAIL; + break; + case TFTP_ERR_UNDEFINED: + case TFTP_ERR_DISK_FULL: + case TFTP_ERR_UNEXPECTED_OPCODE: + case TFT_ERR_UNKNOWN_TRANSFER_ID: + case TFTP_ERR_FILE_ALREADY_EXISTS: + default: + puts("Starting again\n\n"); #ifdef CONFIG_MCAST_TFTP - mcast_cleanup(); + mcast_cleanup(); #endif - NetStartAgain (); + NetStartAgain(); + break; + } break; } }