net: cosmetic: Clean up TFTP variables and functions
Make a thorough pass through all variables and function names contained within tftp and remove CamelCase and improve naming. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Joe Hershberger
Simon Glass
parent
1fd92db83d
commit
8885c5fe90
@ -39,8 +39,8 @@
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#define CONFIG_UPDATE_TFTP_CNT_MAX 0
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#endif
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extern ulong TftpRRQTimeoutMSecs;
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extern int TftpRRQTimeoutCountMax;
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extern ulong tftp_timeout_ms;
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extern int tftp_timeout_count_max;
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extern flash_info_t flash_info[];
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extern ulong load_addr;
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@ -55,14 +55,14 @@ static int update_load(char *filename, ulong msec_max, int cnt_max, ulong addr)
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rv = 0;
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/* save used globals and env variable */
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saved_timeout_msecs = TftpRRQTimeoutMSecs;
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saved_timeout_count = TftpRRQTimeoutCountMax;
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saved_timeout_msecs = tftp_timeout_ms;
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saved_timeout_count = tftp_timeout_count_max;
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saved_netretry = strdup(getenv("netretry"));
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saved_bootfile = strdup(net_boot_file_name);
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/* set timeouts for auto-update */
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TftpRRQTimeoutMSecs = msec_max;
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TftpRRQTimeoutCountMax = cnt_max;
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tftp_timeout_ms = msec_max;
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tftp_timeout_count_max = cnt_max;
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/* we don't want to retry the connection if errors occur */
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setenv("netretry", "no");
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@ -78,8 +78,8 @@ static int update_load(char *filename, ulong msec_max, int cnt_max, ulong addr)
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flush_cache(addr, size);
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/* restore changed globals and env variable */
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TftpRRQTimeoutMSecs = saved_timeout_msecs;
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TftpRRQTimeoutCountMax = saved_timeout_count;
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tftp_timeout_ms = saved_timeout_msecs;
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tftp_timeout_count_max = saved_timeout_count;
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setenv("netretry", saved_netretry);
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if (saved_netretry != NULL)
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@ -247,7 +247,7 @@ void net_auto_load(void)
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net_set_state(NETLOOP_SUCCESS);
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return;
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}
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TftpStart(TFTPGET);
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tftp_start(TFTPGET);
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}
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static void NetInitLoop(void)
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@ -372,11 +372,11 @@ restart:
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case TFTPPUT:
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#endif
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/* always use ARP to get server ethernet address */
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TftpStart(protocol);
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tftp_start(protocol);
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break;
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#ifdef CONFIG_CMD_TFTPSRV
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case TFTPSRV:
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TftpStartServer();
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tftp_start_server();
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break;
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#endif
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#if defined(CONFIG_CMD_DHCP)
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483
net/tftp.c
483
net/tftp.c
@ -39,21 +39,21 @@
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#define TFTP_ERROR 5
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#define TFTP_OACK 6
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static ulong TftpTimeoutMSecs = TIMEOUT;
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static int TftpTimeoutCountMax = TIMEOUT_COUNT;
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static ulong timeout_ms = TIMEOUT;
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static int timeout_count_max = TIMEOUT_COUNT;
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static ulong time_start; /* Record time we started tftp */
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/*
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* These globals govern the timeout behavior when attempting a connection to a
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* TFTP server. TftpRRQTimeoutMSecs specifies the number of milliseconds to
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* TFTP server. tftp_timeout_ms specifies the number of milliseconds to
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* wait for the server to respond to initial connection. Second global,
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* TftpRRQTimeoutCountMax, gives the number of such connection retries.
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* TftpRRQTimeoutCountMax must be non-negative and TftpRRQTimeoutMSecs must be
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* tftp_timeout_count_max, gives the number of such connection retries.
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* tftp_timeout_count_max must be non-negative and tftp_timeout_ms must be
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* positive. The globals are meant to be set (and restored) by code needing
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* non-standard timeout behavior when initiating a TFTP transfer.
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*/
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ulong TftpRRQTimeoutMSecs = TIMEOUT;
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int TftpRRQTimeoutCountMax = TIMEOUT_COUNT;
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ulong tftp_timeout_ms = TIMEOUT;
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int tftp_timeout_count_max = TIMEOUT_COUNT;
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enum {
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TFTP_ERR_UNDEFINED = 0,
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@ -67,30 +67,32 @@ enum {
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static struct in_addr tftp_remote_ip;
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/* The UDP port at their end */
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static int TftpRemotePort;
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static int tftp_remote_port;
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/* The UDP port at our end */
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static int TftpOurPort;
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static int TftpTimeoutCount;
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static int tftp_our_port;
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static int timeout_count;
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/* packet sequence number */
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static ulong TftpBlock;
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static ulong tftp_cur_block;
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/* last packet sequence number received */
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static ulong TftpLastBlock;
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static ulong tftp_prev_block;
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/* count of sequence number wraparounds */
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static ulong TftpBlockWrap;
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static ulong tftp_block_wrap;
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/* memory offset due to wrapping */
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static ulong TftpBlockWrapOffset;
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static int TftpState;
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static ulong tftp_block_wrap_offset;
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static int tftp_state;
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#ifdef CONFIG_TFTP_TSIZE
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/* The file size reported by the server */
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static int TftpTsize;
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static int tftp_tsize;
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/* The number of hashes we printed */
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static short TftpNumchars;
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static short tftp_tsize_num_hash;
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#endif
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#ifdef CONFIG_CMD_TFTPPUT
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static int TftpWriting; /* 1 if writing, else 0 */
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static int TftpFinalBlock; /* 1 if we have sent the last block */
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/* 1 if writing, else 0 */
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static int tftp_put_active;
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/* 1 if we have sent the last block */
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static int tftp_put_final_block_sent;
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#else
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#define TftpWriting 0
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#define tftp_put_active 0
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#endif
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#define STATE_SEND_RRQ 1
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@ -128,41 +130,42 @@ static char tftp_filename[MAX_LEN];
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#define TFTP_MTU_BLOCKSIZE 1468
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#endif
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static unsigned short TftpBlkSize = TFTP_BLOCK_SIZE;
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static unsigned short TftpBlkSizeOption = TFTP_MTU_BLOCKSIZE;
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static unsigned short tftp_block_size = TFTP_BLOCK_SIZE;
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static unsigned short tftp_block_size_option = TFTP_MTU_BLOCKSIZE;
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#ifdef CONFIG_MCAST_TFTP
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#include <malloc.h>
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#define MTFTP_BITMAPSIZE 0x1000
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static unsigned *Bitmap;
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static int PrevBitmapHole, Mapsize = MTFTP_BITMAPSIZE;
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static uchar ProhibitMcast, MasterClient;
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static uchar Multicast;
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static int Mcast_port;
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static ulong TftpEndingBlock; /* can get 'last' block before done..*/
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static unsigned *tftp_mcast_bitmap;
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static int tftp_mcast_prev_hole;
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static int tftp_mcast_bitmap_size = MTFTP_BITMAPSIZE;
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static int tftp_mcast_disabled;
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static int tftp_mcast_master_client;
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static int tftp_mcast_active;
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static int tftp_mcast_port;
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/* can get 'last' block before done..*/
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static ulong tftp_mcast_ending_block;
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static void parse_multicast_oack(char *pkt, int len);
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static void
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mcast_cleanup(void)
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static void mcast_cleanup(void)
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{
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if (net_mcast_addr)
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eth_mcast_join(net_mcast_addr, 0);
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if (Bitmap)
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free(Bitmap);
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Bitmap = NULL;
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if (tftp_mcast_bitmap)
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free(tftp_mcast_bitmap);
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tftp_mcast_bitmap = NULL;
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net_mcast_addr.s_addr = 0;
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Multicast = 0;
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Mcast_port = 0;
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TftpEndingBlock = -1;
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tftp_mcast_active = 0;
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tftp_mcast_port = 0;
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tftp_mcast_ending_block = -1;
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}
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#endif /* CONFIG_MCAST_TFTP */
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static inline void
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store_block(int block, uchar *src, unsigned len)
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static inline void store_block(int block, uchar *src, unsigned len)
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{
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ulong offset = block * TftpBlkSize + TftpBlockWrapOffset;
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ulong offset = block * tftp_block_size + tftp_block_wrap_offset;
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ulong newsize = offset + len;
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#ifdef CONFIG_SYS_DIRECT_FLASH_TFTP
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int i, rc = 0;
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@ -193,8 +196,8 @@ store_block(int block, uchar *src, unsigned len)
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unmap_sysmem(ptr);
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}
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#ifdef CONFIG_MCAST_TFTP
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if (Multicast)
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ext2_set_bit(block, Bitmap);
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if (tftp_mcast_active)
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ext2_set_bit(block, tftp_mcast_bitmap);
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#endif
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if (net_boot_file_size < newsize)
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@ -204,11 +207,11 @@ store_block(int block, uchar *src, unsigned len)
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/* Clear our state ready for a new transfer */
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static void new_transfer(void)
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{
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TftpLastBlock = 0;
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TftpBlockWrap = 0;
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TftpBlockWrapOffset = 0;
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tftp_prev_block = 0;
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tftp_block_wrap = 0;
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tftp_block_wrap_offset = 0;
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#ifdef CONFIG_CMD_TFTPPUT
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TftpFinalBlock = 0;
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tftp_put_final_block_sent = 0;
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#endif
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}
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@ -224,38 +227,39 @@ static void new_transfer(void)
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static int load_block(unsigned block, uchar *dst, unsigned len)
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{
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/* We may want to get the final block from the previous set */
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ulong offset = ((int)block - 1) * len + TftpBlockWrapOffset;
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ulong offset = ((int)block - 1) * len + tftp_block_wrap_offset;
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ulong tosend = len;
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tosend = min(net_boot_file_size - offset, tosend);
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(void)memcpy(dst, (void *)(save_addr + offset), tosend);
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debug("%s: block=%d, offset=%ld, len=%d, tosend=%ld\n", __func__,
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block, offset, len, tosend);
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block, offset, len, tosend);
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return tosend;
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}
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#endif
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static void TftpSend(void);
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static void TftpTimeout(void);
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static void tftp_send(void);
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static void tftp_timeout_handler(void);
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/**********************************************************************/
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static void show_block_marker(void)
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{
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#ifdef CONFIG_TFTP_TSIZE
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if (TftpTsize) {
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ulong pos = TftpBlock * TftpBlkSize + TftpBlockWrapOffset;
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if (tftp_tsize) {
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ulong pos = tftp_cur_block * tftp_block_size +
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tftp_block_wrap_offset;
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while (TftpNumchars < pos * 50 / TftpTsize) {
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while (tftp_tsize_num_hash < pos * 50 / tftp_tsize) {
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putc('#');
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TftpNumchars++;
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tftp_tsize_num_hash++;
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}
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} else
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#endif
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{
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if (((TftpBlock - 1) % 10) == 0)
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if (((tftp_cur_block - 1) % 10) == 0)
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putc('#');
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else if ((TftpBlock % (10 * HASHES_PER_LINE)) == 0)
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else if ((tftp_cur_block % (10 * HASHES_PER_LINE)) == 0)
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puts("\n\t ");
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}
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}
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@ -287,10 +291,10 @@ static void update_block_number(void)
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* number of 0 this means that there was a wrap
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* around of the (16 bit) counter.
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*/
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if (TftpBlock == 0 && TftpLastBlock != 0) {
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TftpBlockWrap++;
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TftpBlockWrapOffset += TftpBlkSize * TFTP_SEQUENCE_SIZE;
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TftpTimeoutCount = 0; /* we've done well, reset thhe timeout */
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if (tftp_cur_block == 0 && tftp_prev_block != 0) {
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tftp_block_wrap++;
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tftp_block_wrap_offset += tftp_block_size * TFTP_SEQUENCE_SIZE;
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timeout_count = 0; /* we've done well, reset the timeout */
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} else {
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show_block_marker();
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}
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@ -301,12 +305,12 @@ static void tftp_complete(void)
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{
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#ifdef CONFIG_TFTP_TSIZE
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/* Print hash marks for the last packet received */
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while (TftpTsize && TftpNumchars < 49) {
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while (tftp_tsize && tftp_tsize_num_hash < 49) {
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putc('#');
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TftpNumchars++;
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tftp_tsize_num_hash++;
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}
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puts(" ");
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print_size(TftpTsize, "");
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print_size(tftp_tsize, "");
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#endif
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time_start = get_timer(time_start);
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if (time_start > 0) {
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@ -318,8 +322,7 @@ static void tftp_complete(void)
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net_set_state(NETLOOP_SUCCESS);
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}
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static void
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TftpSend(void)
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static void tftp_send(void)
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{
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uchar *pkt;
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uchar *xp;
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@ -328,9 +331,8 @@ TftpSend(void)
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#ifdef CONFIG_MCAST_TFTP
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/* Multicast TFTP.. non-MasterClients do not ACK data. */
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if (Multicast
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&& (TftpState == STATE_DATA)
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&& (MasterClient == 0))
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if (tftp_mcast_active && tftp_state == STATE_DATA &&
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tftp_mcast_master_client == 0)
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return;
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#endif
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/*
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@ -339,13 +341,13 @@ TftpSend(void)
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*/
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pkt = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE;
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switch (TftpState) {
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switch (tftp_state) {
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case STATE_SEND_RRQ:
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case STATE_SEND_WRQ:
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xp = pkt;
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s = (ushort *)pkt;
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#ifdef CONFIG_CMD_TFTPPUT
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*s++ = htons(TftpState == STATE_SEND_RRQ ? TFTP_RRQ :
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*s++ = htons(tftp_state == STATE_SEND_RRQ ? TFTP_RRQ :
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TFTP_WRQ);
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#else
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*s++ = htons(TFTP_RRQ);
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@ -357,7 +359,7 @@ TftpSend(void)
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pkt += 5 /*strlen("octet")*/ + 1;
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strcpy((char *)pkt, "timeout");
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pkt += 7 /*strlen("timeout")*/ + 1;
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sprintf((char *)pkt, "%lu", TftpTimeoutMSecs / 1000);
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sprintf((char *)pkt, "%lu", timeout_ms / 1000);
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debug("send option \"timeout %s\"\n", (char *)pkt);
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pkt += strlen((char *)pkt) + 1;
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#ifdef CONFIG_TFTP_TSIZE
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@ -366,14 +368,14 @@ TftpSend(void)
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#endif
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/* try for more effic. blk size */
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pkt += sprintf((char *)pkt, "blksize%c%d%c",
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0, TftpBlkSizeOption, 0);
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0, tftp_block_size_option, 0);
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#ifdef CONFIG_MCAST_TFTP
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/* Check all preconditions before even trying the option */
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if (!ProhibitMcast) {
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Bitmap = malloc(Mapsize);
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if (Bitmap && eth_get_dev()->mcast) {
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free(Bitmap);
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Bitmap = NULL;
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if (!tftp_mcast_disabled) {
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tftp_mcast_bitmap = malloc(tftp_mcast_bitmap_size);
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if (tftp_mcast_bitmap && eth_get_dev()->mcast) {
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free(tftp_mcast_bitmap);
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tftp_mcast_bitmap = NULL;
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pkt += sprintf((char *)pkt, "multicast%c%c",
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0, 0);
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}
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@ -384,11 +386,12 @@ TftpSend(void)
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case STATE_OACK:
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#ifdef CONFIG_MCAST_TFTP
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/* My turn! Start at where I need blocks I missed.*/
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if (Multicast)
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TftpBlock = ext2_find_next_zero_bit(Bitmap,
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(Mapsize*8), 0);
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/*..falling..*/
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/* My turn! Start at where I need blocks I missed. */
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if (tftp_mcast_active)
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tftp_cur_block = ext2_find_next_zero_bit(
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tftp_mcast_bitmap,
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tftp_mcast_bitmap_size * 8, 0);
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/* fall through */
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#endif
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case STATE_RECV_WRQ:
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@ -396,16 +399,16 @@ TftpSend(void)
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xp = pkt;
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s = (ushort *)pkt;
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s[0] = htons(TFTP_ACK);
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s[1] = htons(TftpBlock);
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s[1] = htons(tftp_cur_block);
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pkt = (uchar *)(s + 2);
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#ifdef CONFIG_CMD_TFTPPUT
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if (TftpWriting) {
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int toload = TftpBlkSize;
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int loaded = load_block(TftpBlock, pkt, toload);
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if (tftp_put_active) {
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int toload = tftp_block_size;
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int loaded = load_block(tftp_cur_block, pkt, toload);
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s[0] = htons(TFTP_DATA);
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pkt += loaded;
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TftpFinalBlock = (loaded < toload);
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tftp_put_final_block_sent = (loaded < toload);
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}
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#endif
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len = pkt - xp;
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@ -435,8 +438,8 @@ TftpSend(void)
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break;
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}
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net_send_udp_packet(net_server_ethaddr, tftp_remote_ip, TftpRemotePort,
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TftpOurPort, len);
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net_send_udp_packet(net_server_ethaddr, tftp_remote_ip,
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tftp_remote_port, tftp_our_port, len);
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}
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#ifdef CONFIG_CMD_TFTPPUT
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@ -458,15 +461,15 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
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__be16 *s;
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int i;
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if (dest != TftpOurPort) {
|
||||
if (dest != tftp_our_port) {
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
if (Multicast
|
||||
&& (!Mcast_port || (dest != Mcast_port)))
|
||||
if (tftp_mcast_active &&
|
||||
(!tftp_mcast_port || dest != tftp_mcast_port))
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
if (TftpState != STATE_SEND_RRQ && src != TftpRemotePort &&
|
||||
TftpState != STATE_RECV_WRQ && TftpState != STATE_SEND_WRQ)
|
||||
if (tftp_state != STATE_SEND_RRQ && src != tftp_remote_port &&
|
||||
tftp_state != STATE_RECV_WRQ && tftp_state != STATE_SEND_WRQ)
|
||||
return;
|
||||
|
||||
if (len < 2)
|
||||
@ -477,14 +480,13 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
|
||||
proto = *s++;
|
||||
pkt = (uchar *)s;
|
||||
switch (ntohs(proto)) {
|
||||
|
||||
case TFTP_RRQ:
|
||||
break;
|
||||
|
||||
case TFTP_ACK:
|
||||
#ifdef CONFIG_CMD_TFTPPUT
|
||||
if (TftpWriting) {
|
||||
if (TftpFinalBlock) {
|
||||
if (tftp_put_active) {
|
||||
if (tftp_put_final_block_sent) {
|
||||
tftp_complete();
|
||||
} else {
|
||||
/*
|
||||
@ -492,12 +494,12 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
|
||||
* count to wrap just like the other end!
|
||||
*/
|
||||
int block = ntohs(*s);
|
||||
int ack_ok = (TftpBlock == block);
|
||||
int ack_ok = (tftp_cur_block == block);
|
||||
|
||||
TftpBlock = (unsigned short)(block + 1);
|
||||
tftp_cur_block = (unsigned short)(block + 1);
|
||||
update_block_number();
|
||||
if (ack_ok)
|
||||
TftpSend(); /* Send next data block */
|
||||
tftp_send(); /* Send next data block */
|
||||
}
|
||||
}
|
||||
#endif
|
||||
@ -510,101 +512,98 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
|
||||
case TFTP_WRQ:
|
||||
debug("Got WRQ\n");
|
||||
tftp_remote_ip = sip;
|
||||
TftpRemotePort = src;
|
||||
TftpOurPort = 1024 + (get_timer(0) % 3072);
|
||||
tftp_remote_port = src;
|
||||
tftp_our_port = 1024 + (get_timer(0) % 3072);
|
||||
new_transfer();
|
||||
TftpSend(); /* Send ACK(0) */
|
||||
tftp_send(); /* Send ACK(0) */
|
||||
break;
|
||||
#endif
|
||||
|
||||
case TFTP_OACK:
|
||||
debug("Got OACK: %s %s\n",
|
||||
pkt,
|
||||
pkt + strlen((char *)pkt) + 1);
|
||||
TftpState = STATE_OACK;
|
||||
TftpRemotePort = src;
|
||||
pkt, pkt + strlen((char *)pkt) + 1);
|
||||
tftp_state = STATE_OACK;
|
||||
tftp_remote_port = src;
|
||||
/*
|
||||
* Check for 'blksize' option.
|
||||
* Careful: "i" is signed, "len" is unsigned, thus
|
||||
* something like "len-8" may give a *huge* number
|
||||
*/
|
||||
for (i = 0; i+8 < len; i++) {
|
||||
if (strcmp((char *)pkt+i, "blksize") == 0) {
|
||||
TftpBlkSize = (unsigned short)
|
||||
simple_strtoul((char *)pkt+i+8, NULL,
|
||||
10);
|
||||
if (strcmp((char *)pkt + i, "blksize") == 0) {
|
||||
tftp_block_size = (unsigned short)
|
||||
simple_strtoul((char *)pkt + i + 8,
|
||||
NULL, 10);
|
||||
debug("Blocksize ack: %s, %d\n",
|
||||
(char *)pkt+i+8, TftpBlkSize);
|
||||
(char *)pkt + i + 8, tftp_block_size);
|
||||
}
|
||||
#ifdef CONFIG_TFTP_TSIZE
|
||||
if (strcmp((char *)pkt+i, "tsize") == 0) {
|
||||
TftpTsize = simple_strtoul((char *)pkt+i+6,
|
||||
tftp_tsize = simple_strtoul((char *)pkt + i + 6,
|
||||
NULL, 10);
|
||||
debug("size = %s, %d\n",
|
||||
(char *)pkt+i+6, TftpTsize);
|
||||
(char *)pkt + i + 6, tftp_tsize);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
parse_multicast_oack((char *)pkt, len-1);
|
||||
if ((Multicast) && (!MasterClient))
|
||||
TftpState = STATE_DATA; /* passive.. */
|
||||
parse_multicast_oack((char *)pkt, len - 1);
|
||||
if ((tftp_mcast_active) && (!tftp_mcast_master_client))
|
||||
tftp_state = STATE_DATA; /* passive.. */
|
||||
else
|
||||
#endif
|
||||
#ifdef CONFIG_CMD_TFTPPUT
|
||||
if (TftpWriting) {
|
||||
if (tftp_put_active) {
|
||||
/* Get ready to send the first block */
|
||||
TftpState = STATE_DATA;
|
||||
TftpBlock++;
|
||||
tftp_state = STATE_DATA;
|
||||
tftp_cur_block++;
|
||||
}
|
||||
#endif
|
||||
TftpSend(); /* Send ACK or first data block */
|
||||
tftp_send(); /* Send ACK or first data block */
|
||||
break;
|
||||
case TFTP_DATA:
|
||||
if (len < 2)
|
||||
return;
|
||||
len -= 2;
|
||||
TftpBlock = ntohs(*(__be16 *)pkt);
|
||||
tftp_cur_block = ntohs(*(__be16 *)pkt);
|
||||
|
||||
update_block_number();
|
||||
|
||||
if (TftpState == STATE_SEND_RRQ)
|
||||
if (tftp_state == STATE_SEND_RRQ)
|
||||
debug("Server did not acknowledge timeout option!\n");
|
||||
|
||||
if (TftpState == STATE_SEND_RRQ || TftpState == STATE_OACK ||
|
||||
TftpState == STATE_RECV_WRQ) {
|
||||
if (tftp_state == STATE_SEND_RRQ || tftp_state == STATE_OACK ||
|
||||
tftp_state == STATE_RECV_WRQ) {
|
||||
/* first block received */
|
||||
TftpState = STATE_DATA;
|
||||
TftpRemotePort = src;
|
||||
tftp_state = STATE_DATA;
|
||||
tftp_remote_port = src;
|
||||
new_transfer();
|
||||
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
if (Multicast) { /* start!=1 common if mcast */
|
||||
TftpLastBlock = TftpBlock - 1;
|
||||
if (tftp_mcast_active) { /* start!=1 common if mcast */
|
||||
tftp_prev_block = tftp_cur_block - 1;
|
||||
} else
|
||||
#endif
|
||||
if (TftpBlock != 1) { /* Assertion */
|
||||
printf("\nTFTP error: "
|
||||
"First block is not block 1 (%ld)\n"
|
||||
"Starting again\n\n",
|
||||
TftpBlock);
|
||||
if (tftp_cur_block != 1) { /* Assertion */
|
||||
puts("\nTFTP error: ");
|
||||
printf("First block is not block 1 (%ld)\n",
|
||||
tftp_cur_block);
|
||||
puts("Starting again\n\n");
|
||||
NetStartAgain();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (TftpBlock == TftpLastBlock) {
|
||||
/*
|
||||
* Same block again; ignore it.
|
||||
*/
|
||||
if (tftp_cur_block == tftp_prev_block) {
|
||||
/* Same block again; ignore it. */
|
||||
break;
|
||||
}
|
||||
|
||||
TftpLastBlock = TftpBlock;
|
||||
TftpTimeoutCountMax = TIMEOUT_COUNT;
|
||||
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
|
||||
tftp_prev_block = tftp_cur_block;
|
||||
timeout_count_max = TIMEOUT_COUNT;
|
||||
NetSetTimeout(timeout_ms, tftp_timeout_handler);
|
||||
|
||||
store_block(TftpBlock - 1, pkt + 2, len);
|
||||
store_block(tftp_cur_block - 1, pkt + 2, len);
|
||||
|
||||
/*
|
||||
* Acknowledge the block just received, which will prompt
|
||||
@ -614,39 +613,41 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
|
||||
/* 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;
|
||||
} else if (MasterClient) {
|
||||
TftpBlock = PrevBitmapHole =
|
||||
ext2_find_next_zero_bit(
|
||||
Bitmap,
|
||||
(Mapsize*8),
|
||||
PrevBitmapHole);
|
||||
if (TftpBlock > ((Mapsize*8) - 1)) {
|
||||
printf("tftpfile too big\n");
|
||||
if (tftp_mcast_active) {
|
||||
if (len < tftp_block_size) {
|
||||
tftp_mcast_ending_block = tftp_cur_block;
|
||||
} else if (tftp_mcast_master_client) {
|
||||
tftp_mcast_prev_hole = ext2_find_next_zero_bit(
|
||||
tftp_mcast_bitmap,
|
||||
tftp_mcast_bitmap_size * 8,
|
||||
tftp_mcast_prev_hole);
|
||||
tftp_cur_block = tftp_mcast_prev_hole;
|
||||
if (tftp_cur_block >
|
||||
((tftp_mcast_bitmap_size * 8) - 1)) {
|
||||
debug("tftpfile too big\n");
|
||||
/* try to double it and retry */
|
||||
Mapsize <<= 1;
|
||||
tftp_mcast_bitmap_size <<= 1;
|
||||
mcast_cleanup();
|
||||
NetStartAgain();
|
||||
return;
|
||||
}
|
||||
TftpLastBlock = TftpBlock;
|
||||
tftp_prev_block = tftp_cur_block;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
TftpSend();
|
||||
tftp_send();
|
||||
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
if (Multicast) {
|
||||
if (MasterClient && (TftpBlock >= TftpEndingBlock)) {
|
||||
if (tftp_mcast_active) {
|
||||
if (tftp_mcast_master_client &&
|
||||
(tftp_cur_block >= tftp_mcast_ending_block)) {
|
||||
puts("\nMulticast tftp done\n");
|
||||
mcast_cleanup();
|
||||
net_set_state(NETLOOP_SUCCESS);
|
||||
}
|
||||
} else
|
||||
#endif
|
||||
if (len < TftpBlkSize)
|
||||
if (len < tftp_block_size)
|
||||
tftp_complete();
|
||||
break;
|
||||
|
||||
@ -679,21 +680,20 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
TftpTimeout(void)
|
||||
static void tftp_timeout_handler(void)
|
||||
{
|
||||
if (++TftpTimeoutCount > TftpTimeoutCountMax) {
|
||||
if (++timeout_count > timeout_count_max) {
|
||||
restart("Retry count exceeded");
|
||||
} else {
|
||||
puts("T ");
|
||||
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
|
||||
if (TftpState != STATE_RECV_WRQ)
|
||||
TftpSend();
|
||||
NetSetTimeout(timeout_ms, tftp_timeout_handler);
|
||||
if (tftp_state != STATE_RECV_WRQ)
|
||||
tftp_send();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void TftpStart(enum proto_t protocol)
|
||||
void tftp_start(enum proto_t protocol)
|
||||
{
|
||||
char *ep; /* Environment pointer */
|
||||
|
||||
@ -703,21 +703,20 @@ void TftpStart(enum proto_t protocol)
|
||||
*/
|
||||
ep = getenv("tftpblocksize");
|
||||
if (ep != NULL)
|
||||
TftpBlkSizeOption = simple_strtol(ep, NULL, 10);
|
||||
tftp_block_size_option = simple_strtol(ep, NULL, 10);
|
||||
|
||||
ep = getenv("tftptimeout");
|
||||
if (ep != NULL)
|
||||
TftpTimeoutMSecs = simple_strtol(ep, NULL, 10);
|
||||
timeout_ms = simple_strtol(ep, NULL, 10);
|
||||
|
||||
if (TftpTimeoutMSecs < 1000) {
|
||||
printf("TFTP timeout (%ld ms) too low, "
|
||||
"set minimum = 1000 ms\n",
|
||||
TftpTimeoutMSecs);
|
||||
TftpTimeoutMSecs = 1000;
|
||||
if (timeout_ms < 1000) {
|
||||
printf("TFTP timeout (%ld ms) too low, set min = 1000 ms\n",
|
||||
timeout_ms);
|
||||
timeout_ms = 1000;
|
||||
}
|
||||
|
||||
debug("TFTP blocksize = %i, timeout = %ld ms\n",
|
||||
TftpBlkSizeOption, TftpTimeoutMSecs);
|
||||
tftp_block_size_option, timeout_ms);
|
||||
|
||||
tftp_remote_ip = net_server_ip;
|
||||
if (net_boot_file_name[0] == '\0') {
|
||||
@ -728,20 +727,20 @@ void TftpStart(enum proto_t protocol)
|
||||
(net_ip.s_addr >> 24) & 0xFF);
|
||||
|
||||
strncpy(tftp_filename, default_filename, MAX_LEN);
|
||||
tftp_filename[MAX_LEN-1] = 0;
|
||||
tftp_filename[MAX_LEN - 1] = 0;
|
||||
|
||||
printf("*** Warning: no boot file name; using '%s'\n",
|
||||
tftp_filename);
|
||||
tftp_filename);
|
||||
} else {
|
||||
char *p = strchr(net_boot_file_name, ':');
|
||||
|
||||
if (p == NULL) {
|
||||
strncpy(tftp_filename, net_boot_file_name, MAX_LEN);
|
||||
tftp_filename[MAX_LEN-1] = 0;
|
||||
tftp_filename[MAX_LEN - 1] = 0;
|
||||
} else {
|
||||
tftp_remote_ip = string_to_ip(net_boot_file_name);
|
||||
strncpy(tftp_filename, p + 1, MAX_LEN);
|
||||
tftp_filename[MAX_LEN-1] = 0;
|
||||
tftp_filename[MAX_LEN - 1] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
@ -750,9 +749,9 @@ void TftpStart(enum proto_t protocol)
|
||||
#ifdef CONFIG_CMD_TFTPPUT
|
||||
protocol == TFTPPUT ? "to" : "from",
|
||||
#else
|
||||
"from",
|
||||
"from",
|
||||
#endif
|
||||
&tftp_remote_ip, &net_ip);
|
||||
&tftp_remote_ip, &net_ip);
|
||||
|
||||
/* Check if we need to send across this subnet */
|
||||
if (net_gateway.s_addr && net_netmask.s_addr) {
|
||||
@ -776,63 +775,62 @@ void TftpStart(enum proto_t protocol)
|
||||
|
||||
putc('\n');
|
||||
#ifdef CONFIG_CMD_TFTPPUT
|
||||
TftpWriting = (protocol == TFTPPUT);
|
||||
if (TftpWriting) {
|
||||
tftp_put_active = (protocol == TFTPPUT);
|
||||
if (tftp_put_active) {
|
||||
printf("Save address: 0x%lx\n", save_addr);
|
||||
printf("Save size: 0x%lx\n", save_size);
|
||||
net_boot_file_size = save_size;
|
||||
puts("Saving: *\b");
|
||||
TftpState = STATE_SEND_WRQ;
|
||||
tftp_state = STATE_SEND_WRQ;
|
||||
new_transfer();
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
printf("Load address: 0x%lx\n", load_addr);
|
||||
puts("Loading: *\b");
|
||||
TftpState = STATE_SEND_RRQ;
|
||||
tftp_state = STATE_SEND_RRQ;
|
||||
}
|
||||
|
||||
time_start = get_timer(0);
|
||||
TftpTimeoutCountMax = TftpRRQTimeoutCountMax;
|
||||
timeout_count_max = tftp_timeout_count_max;
|
||||
|
||||
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
|
||||
NetSetTimeout(timeout_ms, tftp_timeout_handler);
|
||||
net_set_udp_handler(tftp_handler);
|
||||
#ifdef CONFIG_CMD_TFTPPUT
|
||||
net_set_icmp_handler(icmp_handler);
|
||||
#endif
|
||||
TftpRemotePort = WELL_KNOWN_PORT;
|
||||
TftpTimeoutCount = 0;
|
||||
tftp_remote_port = WELL_KNOWN_PORT;
|
||||
timeout_count = 0;
|
||||
/* Use a pseudo-random port unless a specific port is set */
|
||||
TftpOurPort = 1024 + (get_timer(0) % 3072);
|
||||
tftp_our_port = 1024 + (get_timer(0) % 3072);
|
||||
|
||||
#ifdef CONFIG_TFTP_PORT
|
||||
ep = getenv("tftpdstp");
|
||||
if (ep != NULL)
|
||||
TftpRemotePort = simple_strtol(ep, NULL, 10);
|
||||
tftp_remote_port = simple_strtol(ep, NULL, 10);
|
||||
ep = getenv("tftpsrcp");
|
||||
if (ep != NULL)
|
||||
TftpOurPort = simple_strtol(ep, NULL, 10);
|
||||
tftp_our_port = simple_strtol(ep, NULL, 10);
|
||||
#endif
|
||||
TftpBlock = 0;
|
||||
tftp_cur_block = 0;
|
||||
|
||||
/* zero out server ether in case the server ip has changed */
|
||||
memset(net_server_ethaddr, 0, 6);
|
||||
/* Revert TftpBlkSize to dflt */
|
||||
TftpBlkSize = TFTP_BLOCK_SIZE;
|
||||
/* Revert tftp_block_size to dflt */
|
||||
tftp_block_size = TFTP_BLOCK_SIZE;
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
mcast_cleanup();
|
||||
#endif
|
||||
#ifdef CONFIG_TFTP_TSIZE
|
||||
TftpTsize = 0;
|
||||
TftpNumchars = 0;
|
||||
tftp_tsize = 0;
|
||||
tftp_tsize_num_hash = 0;
|
||||
#endif
|
||||
|
||||
TftpSend();
|
||||
tftp_send();
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CMD_TFTPSRV
|
||||
void
|
||||
TftpStartServer(void)
|
||||
void tftp_start_server(void)
|
||||
{
|
||||
tftp_filename[0] = 0;
|
||||
|
||||
@ -842,22 +840,22 @@ TftpStartServer(void)
|
||||
|
||||
puts("Loading: *\b");
|
||||
|
||||
TftpTimeoutCountMax = TIMEOUT_COUNT;
|
||||
TftpTimeoutCount = 0;
|
||||
TftpTimeoutMSecs = TIMEOUT;
|
||||
NetSetTimeout(TftpTimeoutMSecs, TftpTimeout);
|
||||
timeout_count_max = TIMEOUT_COUNT;
|
||||
timeout_count = 0;
|
||||
timeout_ms = TIMEOUT;
|
||||
NetSetTimeout(timeout_ms, tftp_timeout_handler);
|
||||
|
||||
/* Revert TftpBlkSize to dflt */
|
||||
TftpBlkSize = TFTP_BLOCK_SIZE;
|
||||
TftpBlock = 0;
|
||||
TftpOurPort = WELL_KNOWN_PORT;
|
||||
/* Revert tftp_block_size to dflt */
|
||||
tftp_block_size = TFTP_BLOCK_SIZE;
|
||||
tftp_cur_block = 0;
|
||||
tftp_our_port = WELL_KNOWN_PORT;
|
||||
|
||||
#ifdef CONFIG_TFTP_TSIZE
|
||||
TftpTsize = 0;
|
||||
TftpNumchars = 0;
|
||||
tftp_tsize = 0;
|
||||
tftp_tsize_num_hash = 0;
|
||||
#endif
|
||||
|
||||
TftpState = STATE_RECV_WRQ;
|
||||
tftp_state = STATE_RECV_WRQ;
|
||||
net_set_udp_handler(tftp_handler);
|
||||
|
||||
/* zero out server ether in case the server ip has changed */
|
||||
@ -866,10 +864,12 @@ TftpStartServer(void)
|
||||
#endif /* CONFIG_CMD_TFTPSRV */
|
||||
|
||||
#ifdef CONFIG_MCAST_TFTP
|
||||
/* Credits: atftp project.
|
||||
/*
|
||||
* Credits: atftp project.
|
||||
*/
|
||||
|
||||
/* pick up BcastAddr, Port, and whether I am [now] the master-client. *
|
||||
/*
|
||||
* Pick up BcastAddr, Port, and whether I am [now] the master-client.
|
||||
* Frame:
|
||||
* +-------+-----------+---+-------~~-------+---+
|
||||
* | opc | multicast | 0 | addr, port, mc | 0 |
|
||||
@ -885,58 +885,62 @@ static void parse_multicast_oack(char *pkt, int len)
|
||||
{
|
||||
int i;
|
||||
struct in_addr addr;
|
||||
char *mc_adr, *port, *mc;
|
||||
char *mc_adr;
|
||||
char *port;
|
||||
char *mc;
|
||||
|
||||
mc_adr = port = mc = NULL;
|
||||
mc_adr = NULL;
|
||||
port = NULL;
|
||||
mc = NULL;
|
||||
/* march along looking for 'multicast\0', which has to start at least
|
||||
* 14 bytes back from the end.
|
||||
*/
|
||||
for (i = 0; i < len-14; i++)
|
||||
if (strcmp(pkt+i, "multicast") == 0)
|
||||
for (i = 0; i < len - 14; i++)
|
||||
if (strcmp(pkt + i, "multicast") == 0)
|
||||
break;
|
||||
if (i >= (len-14)) /* non-Multicast OACK, ign. */
|
||||
if (i >= (len - 14)) /* non-Multicast OACK, ign. */
|
||||
return;
|
||||
|
||||
i += 10; /* strlen multicast */
|
||||
mc_adr = pkt+i;
|
||||
mc_adr = pkt + i;
|
||||
for (; i < len; i++) {
|
||||
if (*(pkt+i) == ',') {
|
||||
*(pkt+i) = '\0';
|
||||
if (*(pkt + i) == ',') {
|
||||
*(pkt + i) = '\0';
|
||||
if (port) {
|
||||
mc = pkt+i+1;
|
||||
mc = pkt + i + 1;
|
||||
break;
|
||||
} else {
|
||||
port = pkt+i+1;
|
||||
port = pkt + i + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!port || !mc_adr || !mc)
|
||||
return;
|
||||
if (Multicast && MasterClient) {
|
||||
if (tftp_mcast_active && tftp_mcast_master_client) {
|
||||
printf("I got a OACK as master Client, WRONG!\n");
|
||||
return;
|
||||
}
|
||||
/* ..I now accept packets destined for this MCAST addr, port */
|
||||
if (!Multicast) {
|
||||
if (Bitmap) {
|
||||
if (!tftp_mcast_active) {
|
||||
if (tftp_mcast_bitmap) {
|
||||
printf("Internal failure! no mcast.\n");
|
||||
free(Bitmap);
|
||||
Bitmap = NULL;
|
||||
ProhibitMcast = 1;
|
||||
return ;
|
||||
free(tftp_mcast_bitmap);
|
||||
tftp_mcast_bitmap = NULL;
|
||||
tftp_mcast_disabled = 1;
|
||||
return;
|
||||
}
|
||||
/* I malloc instead of pre-declare; so that if the file ends
|
||||
* up being too big for this bitmap I can retry
|
||||
*/
|
||||
Bitmap = malloc(Mapsize);
|
||||
if (!Bitmap) {
|
||||
printf("No Bitmap, no multicast. Sorry.\n");
|
||||
ProhibitMcast = 1;
|
||||
tftp_mcast_bitmap = malloc(tftp_mcast_bitmap_size);
|
||||
if (!tftp_mcast_bitmap) {
|
||||
printf("No bitmap, no multicast. Sorry.\n");
|
||||
tftp_mcast_disabled = 1;
|
||||
return;
|
||||
}
|
||||
memset(Bitmap, 0, Mapsize);
|
||||
PrevBitmapHole = 0;
|
||||
Multicast = 1;
|
||||
memset(tftp_mcast_bitmap, 0, tftp_mcast_bitmap_size);
|
||||
tftp_mcast_prev_hole = 0;
|
||||
tftp_mcast_active = 1;
|
||||
}
|
||||
addr = string_to_ip(mc_adr);
|
||||
if (net_mcast_addr.s_addr != addr.s_addr) {
|
||||
@ -945,14 +949,15 @@ static void parse_multicast_oack(char *pkt, int len)
|
||||
net_mcast_addr = addr;
|
||||
if (eth_mcast_join(net_mcast_addr, 1)) {
|
||||
printf("Fail to set mcast, revert to TFTP\n");
|
||||
ProhibitMcast = 1;
|
||||
tftp_mcast_disabled = 1;
|
||||
mcast_cleanup();
|
||||
NetStartAgain();
|
||||
}
|
||||
}
|
||||
MasterClient = (unsigned char)simple_strtoul((char *)mc, NULL, 10);
|
||||
Mcast_port = (unsigned short)simple_strtoul(port, NULL, 10);
|
||||
printf("Multicast: %s:%d [%d]\n", mc_adr, Mcast_port, MasterClient);
|
||||
tftp_mcast_master_client = simple_strtoul((char *)mc, NULL, 10);
|
||||
tftp_mcast_port = (unsigned short)simple_strtoul(port, NULL, 10);
|
||||
printf("Multicast: %s:%d [%d]\n", mc_adr, tftp_mcast_port,
|
||||
tftp_mcast_master_client);
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
@ -16,14 +16,14 @@
|
||||
*/
|
||||
|
||||
/* tftp.c */
|
||||
void TftpStart(enum proto_t protocol); /* Begin TFTP get/put */
|
||||
void tftp_start(enum proto_t protocol); /* Begin TFTP get/put */
|
||||
|
||||
#ifdef CONFIG_CMD_TFTPSRV
|
||||
extern void TftpStartServer(void); /* Wait for incoming TFTP put */
|
||||
void tftp_start_server(void); /* Wait for incoming TFTP put */
|
||||
#endif
|
||||
|
||||
extern ulong TftpRRQTimeoutMSecs;
|
||||
extern int TftpRRQTimeoutCountMax;
|
||||
extern ulong tftp_timeout_ms;
|
||||
extern int tftp_timeout_count_max;
|
||||
|
||||
/**********************************************************************/
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user