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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2008-01-18 01:14:03 +0100
committerWolfgang Denk <wd@denx.de>2008-02-05 00:41:55 +0100
commita93907c43f847f076dd0e34ee3b69b5e8e6d0d29 (patch)
tree4e468add2e33cbc00bac922b9cc401ed11b58b16 /net/tftp.c
parent7ec8bb15ee368ea54d48d64867767a704d9ab4c2 (diff)
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TFTP: add host ip addr support
allow to use a different server as set in serverip add CONFIG_TFTP_FILE_NAME_MAX_LEN to configure the file name length if not defined the max length will be at 128 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'net/tftp.c')
-rw-r--r--net/tftp.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/net/tftp.c b/net/tftp.c
index 8b95bcf..3dd2b06 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -34,7 +34,7 @@
#define TFTP_ERROR 5
#define TFTP_OACK 6
-
+static IPaddr_t TftpServerIP;
static int TftpServerPort; /* The UDP port at their end */
static int TftpOurPort; /* The UDP port at our end */
static int TftpTimeoutCount;
@@ -55,7 +55,14 @@ static int TftpState;
#define DEFAULT_NAME_LEN (8 + 4 + 1)
static char default_filename[DEFAULT_NAME_LEN];
-static char *tftp_filename;
+
+#ifndef CONFIG_TFTP_FILE_NAME_MAX_LEN
+#define MAX_LEN 128
+#else
+#define MAX_LEN CONFIG_TFTP_FILE_NAME_MAX_LEN
+#endif
+
+static char tftp_filename[MAX_LEN];
#ifdef CFG_DIRECT_FLASH_TFTP
extern flash_info_t flash_info[];
@@ -231,7 +238,7 @@ TftpSend (void)
break;
}
- NetSendUDPPacket(NetServerEther, NetServerIP, TftpServerPort, TftpOurPort, len);
+ NetSendUDPPacket(NetServerEther, TftpServerIP, TftpServerPort, TftpOurPort, len);
}
@@ -372,7 +379,7 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
#ifdef CONFIG_MCAST_TFTP
/* if I am the MasterClient, actively calculate what my next
* needed block is; else I'm passive; not ACKING
- */
+ */
if (Multicast) {
if (len < TftpBlkSize) {
TftpEndingBlock = TftpBlock;
@@ -453,30 +460,43 @@ TftpStart (void)
char *ep; /* Environment pointer */
#endif
+ TftpServerIP = NetServerIP;
if (BootFile[0] == '\0') {
sprintf(default_filename, "%02lX%02lX%02lX%02lX.img",
NetOurIP & 0xFF,
(NetOurIP >> 8) & 0xFF,
(NetOurIP >> 16) & 0xFF,
(NetOurIP >> 24) & 0xFF );
- tftp_filename = default_filename;
+
+ strncpy(tftp_filename, default_filename, MAX_LEN);
+ tftp_filename[MAX_LEN-1] = 0;
printf ("*** Warning: no boot file name; using '%s'\n",
tftp_filename);
} else {
- tftp_filename = BootFile;
+ char *p = strchr (p, ':');
+
+ if (p == NULL) {
+ strncpy(tftp_filename, BootFile, MAX_LEN);
+ tftp_filename[MAX_LEN-1] = 0;
+ } else {
+ *p++ = '\0';
+ TftpServerIP = string_to_ip (BootFile);
+ strncpy(tftp_filename, p, MAX_LEN);
+ tftp_filename[MAX_LEN-1] = 0;
+ }
}
#if defined(CONFIG_NET_MULTI)
printf ("Using %s device\n", eth_get_name());
#endif
- puts ("TFTP from server "); print_IPaddr (NetServerIP);
+ puts ("TFTP from server "); print_IPaddr (TftpServerIP);
puts ("; our IP address is "); print_IPaddr (NetOurIP);
/* Check if we need to send across this subnet */
if (NetOurGatewayIP && NetOurSubnetMask) {
- IPaddr_t OurNet = NetOurIP & NetOurSubnetMask;
- IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask;
+ IPaddr_t OurNet = NetOurIP & NetOurSubnetMask;
+ IPaddr_t ServerNet = TftpServerIP & NetOurSubnetMask;
if (OurNet != ServerNet) {
puts ("; sending through gateway ");
@@ -522,7 +542,7 @@ TftpStart (void)
/* Revert TftpBlkSize to dflt */
TftpBlkSize = TFTP_BLOCK_SIZE;
#ifdef CONFIG_MCAST_TFTP
- mcast_cleanup();
+ mcast_cleanup();
#endif
TftpSend ();