diff options
Diffstat (limited to 'net/tftp.c')
| -rw-r--r-- | net/tftp.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/net/tftp.c b/net/tftp.c index 64a557666..eca21d294 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -58,7 +58,7 @@ static char default_filename[DEFAULT_NAME_LEN]; static char *tftp_filename; #ifdef CFG_DIRECT_FLASH_TFTP -extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; +extern flash_info_t flash_info[]; #endif static __inline__ void @@ -78,7 +78,7 @@ store_block (unsigned block, uchar * src, unsigned len) } if (rc) { /* Flash is destination for this packet */ - rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); + rc = flash_write ((char *)src, (ulong)(load_addr+offset), len); if (rc) { flash_perror (rc); NetState = NETLOOP_FAIL; @@ -106,6 +106,7 @@ TftpSend (void) volatile uchar * pkt; volatile uchar * xp; int len = 0; + volatile ushort *s; /* * We will always be sending some sort of packet, so @@ -117,7 +118,9 @@ TftpSend (void) case STATE_RRQ: xp = pkt; - *((ushort *)pkt)++ = htons(TFTP_RRQ); + s = (ushort *)pkt; + *s++ = htons(TFTP_RRQ); + pkt = (uchar *)s; strcpy ((char *)pkt, tftp_filename); pkt += strlen(tftp_filename) + 1; strcpy ((char *)pkt, "octet"); @@ -135,15 +138,19 @@ TftpSend (void) case STATE_DATA: case STATE_OACK: xp = pkt; - *((ushort *)pkt)++ = htons(TFTP_ACK); - *((ushort *)pkt)++ = htons(TftpBlock); + s = (ushort *)pkt; + *s++ = htons(TFTP_ACK); + *s++ = htons(TftpBlock); + pkt = (uchar *)s; len = pkt - xp; break; case STATE_TOO_LARGE: xp = pkt; - *((ushort *)pkt)++ = htons(TFTP_ERROR); - *((ushort *)pkt)++ = htons(3); + s = (ushort *)pkt; + *s++ = htons(TFTP_ERROR); + *s++ = htons(3); + pkt = (uchar *)s; strcpy ((char *)pkt, "File too large"); pkt += 14 /*strlen("File too large")*/ + 1; len = pkt - xp; @@ -151,8 +158,10 @@ TftpSend (void) case STATE_BAD_MAGIC: xp = pkt; - *((ushort *)pkt)++ = htons(TFTP_ERROR); - *((ushort *)pkt)++ = htons(2); + s = (ushort *)pkt; + *s++ = htons(TFTP_ERROR); + *s++ = htons(2); + pkt = (uchar *)s; strcpy ((char *)pkt, "File has bad magic"); pkt += 18 /*strlen("File has bad magic")*/ + 1; len = pkt - xp; @@ -167,6 +176,7 @@ static void TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) { ushort proto; + ushort *s; if (dest != TftpOurPort) { return; @@ -180,7 +190,9 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len) } len -= 2; /* warning: don't use increment (++) in ntohs() macros!! */ - proto = *((ushort *)pkt)++; + s = (ushort *)pkt; + proto = *s++; + pkt = (uchar *)s; switch (ntohs(proto)) { case TFTP_RRQ: @@ -301,6 +313,10 @@ TftpTimeout (void) void TftpStart (void) { +#ifdef CONFIG_TFTP_PORT + char *ep; /* Environment pointer */ +#endif + if (BootFile[0] == '\0') { sprintf(default_filename, "%02lX%02lX%02lX%02lX.img", NetOurIP & 0xFF, @@ -352,7 +368,16 @@ TftpStart (void) TftpServerPort = WELL_KNOWN_PORT; TftpTimeoutCount = 0; TftpState = STATE_RRQ; + /* Use a pseudo-random port unless a specific port is set */ TftpOurPort = 1024 + (get_timer(0) % 3072); +#ifdef CONFIG_TFTP_PORT + if ((ep = getenv("tftpdstp")) != NULL) { + TftpServerPort = simple_strtol(ep, NULL, 10); + } + if ((ep = getenv("tftpsrcp")) != NULL) { + TftpOurPort= simple_strtol(ep, NULL, 10); + } +#endif TftpBlock = 0; /* zero out server ether in case the server ip has changed */ |