* Copyright 1994, 1995, 2000 Neil Russell.
* (See License)
* Copyright 2000, 2001 DENX Software Engineering, Wolfgang Denk, wd@denx.de
+ * Copyright 2011 Comelit Group SpA,
+ * Luca Ceresoli <luca.ceresoli@comelit.it>
*/
#include <common.h>
TFTP_ERR_FILE_ALREADY_EXISTS = 6,
};
-static IPaddr_t TftpServerIP;
+static IPaddr_t TftpRemoteIP;
/* The UDP port at their end */
-static int TftpServerPort;
+static int TftpRemotePort;
/* The UDP port at our end */
static int TftpOurPort;
static int TftpTimeoutCount;
static short TftpNumchars;
#endif
-#define STATE_RRQ 1
+#define STATE_SEND_RRQ 1
#define STATE_DATA 2
#define STATE_TOO_LARGE 3
#define STATE_BAD_MAGIC 4
#define STATE_OACK 5
+#define STATE_RECV_WRQ 6
/* default TFTP block size */
#define TFTP_BLOCK_SIZE 512
#define MTFTP_BITMAPSIZE 0x1000
static unsigned *Bitmap;
static int PrevBitmapHole, Mapsize = MTFTP_BITMAPSIZE;
-static uchar ProhibitMcast = 0, MasterClient = 0;
-static uchar Multicast = 0;
+static uchar ProhibitMcast, MasterClient;
+static uchar Multicast;
extern IPaddr_t Mcast_addr;
static int Mcast_port;
static ulong TftpEndingBlock; /* can get 'last' block before done..*/
switch (TftpState) {
- case STATE_RRQ:
+ case STATE_SEND_RRQ:
xp = pkt;
s = (ushort *)pkt;
*s++ = htons(TFTP_RRQ);
(Mapsize*8), 0);
/*..falling..*/
#endif
+
+ case STATE_RECV_WRQ:
case STATE_DATA:
xp = pkt;
s = (ushort *)pkt;
break;
}
- NetSendUDPPacket(NetServerEther, TftpServerIP, TftpServerPort,
+ NetSendUDPPacket(NetServerEther, TftpRemoteIP, TftpRemotePort,
TftpOurPort, len);
}
#endif
return;
}
- if (TftpState != STATE_RRQ && src != TftpServerPort)
+ if (TftpState != STATE_SEND_RRQ && src != TftpRemotePort &&
+ TftpState != STATE_RECV_WRQ)
return;
if (len < 2)
switch (ntohs(proto)) {
case TFTP_RRQ:
- case TFTP_WRQ:
case TFTP_ACK:
break;
default:
break;
+#ifdef CONFIG_CMD_TFTPSRV
+ case TFTP_WRQ:
+ debug("Got WRQ\n");
+ TftpRemoteIP = sip;
+ TftpRemotePort = src;
+ TftpOurPort = 1024 + (get_timer(0) % 3072);
+ TftpLastBlock = 0;
+ TftpBlockWrap = 0;
+ TftpBlockWrapOffset = 0;
+ TftpSend(); /* Send ACK(0) */
+ break;
+#endif
+
case TFTP_OACK:
debug("Got OACK: %s %s\n",
pkt,
pkt + strlen((char *)pkt) + 1);
TftpState = STATE_OACK;
- TftpServerPort = src;
+ TftpRemotePort = src;
/*
* Check for 'blksize' option.
* Careful: "i" is signed, "len" is unsigned, thus
puts("\n\t ");
}
- if (TftpState == STATE_RRQ)
+ if (TftpState == STATE_SEND_RRQ)
debug("Server did not acknowledge timeout option!\n");
- if (TftpState == STATE_RRQ || TftpState == STATE_OACK) {
+ if (TftpState == STATE_SEND_RRQ || TftpState == STATE_OACK ||
+ TftpState == STATE_RECV_WRQ) {
/* first block received */
TftpState = STATE_DATA;
- TftpServerPort = src;
+ TftpRemotePort = src;
TftpLastBlock = 0;
TftpBlockWrap = 0;
TftpBlockWrapOffset = 0;
store_block(TftpBlock - 1, pkt + 2, len);
/*
- * Acknoledge the block just received, which will prompt
- * the server for the next one.
+ * Acknowledge the block just received, which will prompt
+ * the remote for the next one.
*/
#ifdef CONFIG_MCAST_TFTP
/* if I am the MasterClient, actively calculate what my next
} else {
puts("T ");
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
- TftpSend();
+ if (TftpState != STATE_RECV_WRQ)
+ TftpSend();
}
}
debug("TFTP blocksize = %i, timeout = %ld ms\n",
TftpBlkSizeOption, TftpTimeoutMSecs);
- TftpServerIP = NetServerIP;
+ TftpRemoteIP = NetServerIP;
if (BootFile[0] == '\0') {
sprintf(default_filename, "%02lX%02lX%02lX%02lX.img",
NetOurIP & 0xFF,
strncpy(tftp_filename, BootFile, MAX_LEN);
tftp_filename[MAX_LEN-1] = 0;
} else {
- TftpServerIP = string_to_ip(BootFile);
+ TftpRemoteIP = string_to_ip(BootFile);
strncpy(tftp_filename, p + 1, MAX_LEN);
tftp_filename[MAX_LEN-1] = 0;
}
}
-#if defined(CONFIG_NET_MULTI)
printf("Using %s device\n", eth_get_name());
-#endif
printf("TFTP from server %pI4"
- "; our IP address is %pI4", &TftpServerIP, &NetOurIP);
+ "; our IP address is %pI4", &TftpRemoteIP, &NetOurIP);
/* Check if we need to send across this subnet */
if (NetOurGatewayIP && NetOurSubnetMask) {
IPaddr_t OurNet = NetOurIP & NetOurSubnetMask;
- IPaddr_t ServerNet = TftpServerIP & NetOurSubnetMask;
+ IPaddr_t RemoteNet = TftpRemoteIP & NetOurSubnetMask;
- if (OurNet != ServerNet)
+ if (OurNet != RemoteNet)
printf("; sending through gateway %pI4",
&NetOurGatewayIP);
}
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
NetSetHandler(TftpHandler);
- TftpServerPort = WELL_KNOWN_PORT;
+ TftpRemotePort = WELL_KNOWN_PORT;
TftpTimeoutCount = 0;
- TftpState = STATE_RRQ;
+ TftpState = STATE_SEND_RRQ;
/* Use a pseudo-random port unless a specific port is set */
TftpOurPort = 1024 + (get_timer(0) % 3072);
#ifdef CONFIG_TFTP_PORT
ep = getenv("tftpdstp");
if (ep != NULL)
- TftpServerPort = simple_strtol(ep, NULL, 10);
+ TftpRemotePort = simple_strtol(ep, NULL, 10);
ep = getenv("tftpsrcp");
if (ep != NULL)
TftpOurPort = simple_strtol(ep, NULL, 10);
TftpSend();
}
+#ifdef CONFIG_CMD_TFTPSRV
+void
+TftpStartServer(void)
+{
+ tftp_filename[0] = 0;
+
+ printf("Using %s device\n", eth_get_name());
+ printf("Listening for TFTP transfer on %pI4\n", &NetOurIP);
+ printf("Load address: 0x%lx\n", load_addr);
+
+ puts("Loading: *\b");
+
+ TftpTimeoutCountMax = TIMEOUT_COUNT;
+ TftpTimeoutCount = 0;
+ TftpTimeoutMSecs = TIMEOUT;
+ NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
+
+ /* Revert TftpBlkSize to dflt */
+ TftpBlkSize = TFTP_BLOCK_SIZE;
+ TftpBlock = 0;
+ TftpOurPort = WELL_KNOWN_PORT;
+
+#ifdef CONFIG_TFTP_TSIZE
+ TftpTsize = 0;
+ TftpNumchars = 0;
+#endif
+
+ TftpState = STATE_RECV_WRQ;
+ NetSetHandler(TftpHandler);
+}
+#endif /* CONFIG_CMD_TFTPSRV */
+
#ifdef CONFIG_MCAST_TFTP
/* Credits: atftp project.
*/
projects / karo-tx-uboot.git / blobdiff