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TFTP: add host ip addr support

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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>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2008-01-18 01:14:03 +01:00 committed by Wolfgang Denk
parent 7ec8bb15ee
commit a93907c43f
2 changed files with 31 additions and 11 deletions
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2
common/cmd_net.c
View File

@ -51,7 +51,7 @@ int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
U_BOOT_CMD(
tftpboot, 3, 1, do_tftpb,
"tftpboot- boot image via network using TFTP protocol\n",
"[loadAddress] [bootfilename]\n"
"[loadAddress] [[hostIPaddr:]bootfilename]\n"
);
int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])

40
net/tftp.c
View File

@ -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 ();