diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/tftp.c | 66 |
1 files changed, 42 insertions, 24 deletions
@@ -1,7 +1,7 @@ /* - * Copyright 1994, 1995, 2000 Neil Russell. - * (See License) - * Copyright 2000, 2001 DENX Software Engineering, Wolfgang Denk, wd@denx.de + * Copyright 1994, 1995, 2000 Neil Russell. + * (See License) + * Copyright 2000, 2001 DENX Software Engineering, Wolfgang Denk, wd@denx.de */ #include <common.h> @@ -10,15 +10,18 @@ #include "tftp.h" #include "bootp.h" -#define WELL_KNOWN_PORT 69 /* Well known TFTP port # */ -#define TIMEOUT 5000UL /* Millisecs to timeout for lost pkt */ +/* Well known TFTP port # */ +#define WELL_KNOWN_PORT 69 +/* Millisecs to timeout for lost pkt */ +#define TIMEOUT 5000UL #ifndef CONFIG_NET_RETRY_COUNT -# define TIMEOUT_COUNT 10 /* # of timeouts before giving up */ +/* # of timeouts before giving up */ +# define TIMEOUT_COUNT 10 #else # define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT * 2) #endif - /* (for checking the image size) */ -#define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ +/* Number of "loading" hashes per line (for checking the image size) */ +#define HASHES_PER_LINE 65 /* * TFTP operations. @@ -56,17 +59,25 @@ enum { }; static IPaddr_t TftpServerIP; -static int TftpServerPort; /* The UDP port at their end */ -static int TftpOurPort; /* The UDP port at our end */ +/* The UDP port at their end */ +static int TftpServerPort; +/* The UDP port at our end */ +static int TftpOurPort; static int TftpTimeoutCount; -static ulong TftpBlock; /* packet sequence number */ -static ulong TftpLastBlock; /* last packet sequence number received */ -static ulong TftpBlockWrap; /* count of sequence number wraparounds */ -static ulong TftpBlockWrapOffset; /* memory offset due to wrapping */ +/* packet sequence number */ +static ulong TftpBlock; +/* last packet sequence number received */ +static ulong TftpLastBlock; +/* count of sequence number wraparounds */ +static ulong TftpBlockWrap; +/* memory offset due to wrapping */ +static ulong TftpBlockWrapOffset; static int TftpState; #ifdef CONFIG_TFTP_TSIZE -static int TftpTsize; /* The file size reported by the server */ -static short TftpNumchars; /* The number of hashes we printed */ +/* The file size reported by the server */ +static int TftpTsize; +/* The number of hashes we printed */ +static short TftpNumchars; #endif #define STATE_RRQ 1 @@ -75,8 +86,10 @@ static short TftpNumchars; /* The number of hashes we printed */ #define STATE_BAD_MAGIC 4 #define STATE_OACK 5 -#define TFTP_BLOCK_SIZE 512 /* default TFTP block size */ -#define TFTP_SEQUENCE_SIZE ((ulong)(1<<16)) /* sequence number is 16 bit */ +/* default TFTP block size */ +#define TFTP_BLOCK_SIZE 512 +/* sequence number is 16 bit */ +#define TFTP_SEQUENCE_SIZE ((ulong)(1<<16)) #define DEFAULT_NAME_LEN (8 + 4 + 1) static char default_filename[DEFAULT_NAME_LEN]; @@ -273,7 +286,8 @@ TftpSend (void) break; } - NetSendUDPPacket(NetServerEther, TftpServerIP, TftpServerPort, TftpOurPort, len); + NetSendUDPPacket(NetServerEther, TftpServerIP, TftpServerPort, + TftpOurPort, len); } @@ -333,7 +347,8 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, } #ifdef CONFIG_TFTP_TSIZE if (strcmp ((char*)pkt+i,"tsize") == 0) { - TftpTsize = simple_strtoul((char*)pkt+i+6,NULL,10); + TftpTsize = simple_strtoul((char*)pkt+i+6, + NULL, 10); debug("size = %s, %d\n", (char*)pkt+i+6, TftpTsize); } @@ -361,12 +376,15 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, */ if (TftpBlock == 0) { TftpBlockWrap++; - TftpBlockWrapOffset += TftpBlkSize * TFTP_SEQUENCE_SIZE; - printf ("\n\t %lu MB received\n\t ", TftpBlockWrapOffset>>20); + TftpBlockWrapOffset += + TftpBlkSize * TFTP_SEQUENCE_SIZE; + printf ("\n\t %lu MB received\n\t ", + TftpBlockWrapOffset>>20); } #ifdef CONFIG_TFTP_TSIZE else if (TftpTsize) { - while (TftpNumchars < NetBootFileXferSize * 50 / TftpTsize) { + while (TftpNumchars < + NetBootFileXferSize * 50 / TftpTsize) { putc('#'); TftpNumchars++; } @@ -466,7 +484,7 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, * run it. */ #ifdef CONFIG_TFTP_TSIZE - /* Print out the hash marks for the last packet received */ + /* Print hash marks for the last packet received */ while (TftpTsize && TftpNumchars < 49) { putc('#'); TftpNumchars++; |