diff options
Diffstat (limited to 'net/tftp.c')
| -rw-r--r-- | net/tftp.c | 45 |
1 files changed, 33 insertions, 12 deletions
@@ -15,7 +15,7 @@ #if defined(CONFIG_CMD_NET) #define WELL_KNOWN_PORT 69 /* Well known TFTP port # */ -#define TIMEOUT 5UL /* Seconds to timeout for a lost pkt */ +#define TIMEOUT 5000UL /* Millisecs to timeout for lost pkt */ #ifndef CONFIG_NET_RETRY_COUNT # define TIMEOUT_COUNT 10 /* # of timeouts before giving up */ #else @@ -34,6 +34,21 @@ #define TFTP_ERROR 5 #define TFTP_OACK 6 +static ulong TftpTimeoutMSecs = TIMEOUT; +static int TftpTimeoutCountMax = TIMEOUT_COUNT; + +/* + * These globals govern the timeout behavior when attempting a connection to a + * TFTP server. TftpRRQTimeoutMSecs specifies the number of milliseconds to + * wait for the server to respond to initial connection. Second global, + * TftpRRQTimeoutCountMax, gives the number of such connection retries. + * TftpRRQTimeoutCountMax must be non-negative and TftpRRQTimeoutMSecs must be + * positive. The globals are meant to be set (and restored) by code needing + * non-standard timeout behavior when initiating a TFTP transfer. + */ +ulong TftpRRQTimeoutMSecs = TIMEOUT; +int TftpRRQTimeoutCountMax = TIMEOUT_COUNT; + static IPaddr_t TftpServerIP; static int TftpServerPort; /* The UDP port at their end */ static int TftpOurPort; /* The UDP port at our end */ @@ -64,7 +79,7 @@ static char default_filename[DEFAULT_NAME_LEN]; static char tftp_filename[MAX_LEN]; -#ifdef CFG_DIRECT_FLASH_TFTP +#ifdef CONFIG_SYS_DIRECT_FLASH_TFTP extern flash_info_t flash_info[]; #endif @@ -106,11 +121,13 @@ store_block (unsigned block, uchar * src, unsigned len) { ulong offset = block * TftpBlkSize + TftpBlockWrapOffset; ulong newsize = offset + len; -#ifdef CFG_DIRECT_FLASH_TFTP +#ifdef CONFIG_SYS_DIRECT_FLASH_TFTP int i, rc = 0; - for (i=0; i<CFG_MAX_FLASH_BANKS; i++) { + for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; i++) { /* start address in flash? */ + if (flash_info[i].flash_id == FLASH_UNKNOWN) + continue; if (load_addr + offset >= flash_info[i].start[0]) { rc = 1; break; @@ -126,7 +143,7 @@ store_block (unsigned block, uchar * src, unsigned len) } } else -#endif /* CFG_DIRECT_FLASH_TFTP */ +#endif /* CONFIG_SYS_DIRECT_FLASH_TFTP */ { (void)memcpy((void *)(load_addr + offset), src, len); } @@ -178,7 +195,7 @@ TftpSend (void) pkt += 5 /*strlen("octet")*/ + 1; strcpy ((char *)pkt, "timeout"); pkt += 7 /*strlen("timeout")*/ + 1; - sprintf((char *)pkt, "%lu", TIMEOUT); + sprintf((char *)pkt, "%lu", TIMEOUT / 1000); #ifdef ET_DEBUG printf("send option \"timeout %s\"\n", (char *)pkt); #endif @@ -368,7 +385,9 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) } TftpLastBlock = TftpBlock; - NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout); + TftpTimeoutMSecs = TIMEOUT; + TftpTimeoutCountMax = TIMEOUT_COUNT; + NetSetTimeout (TftpTimeoutMSecs, TftpTimeout); store_block (TftpBlock - 1, pkt + 2, len); @@ -439,7 +458,7 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) static void TftpTimeout (void) { - if (++TftpTimeoutCount > TIMEOUT_COUNT) { + if (++TftpTimeoutCount > TftpTimeoutCountMax) { puts ("\nRetry count exceeded; starting again\n"); #ifdef CONFIG_MCAST_TFTP mcast_cleanup(); @@ -447,7 +466,7 @@ TftpTimeout (void) NetStartAgain (); } else { puts ("T "); - NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout); + NetSetTimeout (TftpTimeoutMSecs, TftpTimeout); TftpSend (); } } @@ -480,9 +499,8 @@ TftpStart (void) 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); + strncpy(tftp_filename, p + 1, MAX_LEN); tftp_filename[MAX_LEN-1] = 0; } } @@ -518,7 +536,10 @@ TftpStart (void) puts ("Loading: *\b"); - NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout); + TftpTimeoutMSecs = TftpRRQTimeoutMSecs; + TftpTimeoutCountMax = TftpRRQTimeoutCountMax; + + NetSetTimeout (TftpTimeoutMSecs, TftpTimeout); NetSetHandler (TftpHandler); TftpServerPort = WELL_KNOWN_PORT; |