X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=net%2Ftftp.c;h=1e3c18ae69c0f975e22383fcdcba18bcee0eec38;hb=deb287b561233a1a9718ec87360dfa2079144e60;hp=966d1cfba360ce7e7505dd5f806ce13543b0654c;hpb=f15ea6e1d67782a1626d4a4922b6c20e380085e5;p=oweals%2Fu-boot.git diff --git a/net/tftp.c b/net/tftp.c index 966d1cfba3..1e3c18ae69 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -8,13 +8,18 @@ #include #include +#include +#include +#include #include -#include "tftp.h" +#include #include "bootp.h" #ifdef CONFIG_SYS_DIRECT_FLASH_TFTP #include #endif +DECLARE_GLOBAL_DATA_PTR; + /* Well known TFTP port # */ #define WELL_KNOWN_PORT 69 /* Millisecs to timeout for lost pkt */ @@ -38,21 +43,21 @@ #define TFTP_ERROR 5 #define TFTP_OACK 6 -static ulong TftpTimeoutMSecs = TIMEOUT; -static int TftpTimeoutCountMax = TIMEOUT_COUNT; +static ulong timeout_ms = TIMEOUT; +static int timeout_count_max = TIMEOUT_COUNT; static ulong time_start; /* Record time we started tftp */ /* * These globals govern the timeout behavior when attempting a connection to a - * TFTP server. TftpRRQTimeoutMSecs specifies the number of milliseconds to + * TFTP server. tftp_timeout_ms 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 + * tftp_timeout_count_max, gives the number of such connection retries. + * tftp_timeout_count_max must be non-negative and tftp_timeout_ms 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; +ulong tftp_timeout_ms = TIMEOUT; +int tftp_timeout_count_max = TIMEOUT_COUNT; enum { TFTP_ERR_UNDEFINED = 0, @@ -64,32 +69,38 @@ enum { TFTP_ERR_FILE_ALREADY_EXISTS = 6, }; -static IPaddr_t TftpRemoteIP; +static struct in_addr tftp_remote_ip; /* The UDP port at their end */ -static int TftpRemotePort; +static int tftp_remote_port; /* The UDP port at our end */ -static int TftpOurPort; -static int TftpTimeoutCount; +static int tftp_our_port; +static int timeout_count; /* packet sequence number */ -static ulong TftpBlock; +static ulong tftp_cur_block; /* last packet sequence number received */ -static ulong TftpLastBlock; +static ulong tftp_prev_block; /* count of sequence number wraparounds */ -static ulong TftpBlockWrap; +static ulong tftp_block_wrap; /* memory offset due to wrapping */ -static ulong TftpBlockWrapOffset; -static int TftpState; +static ulong tftp_block_wrap_offset; +static int tftp_state; +static ulong tftp_load_addr; +#ifdef CONFIG_LMB +static ulong tftp_load_size; +#endif #ifdef CONFIG_TFTP_TSIZE /* The file size reported by the server */ -static int TftpTsize; +static int tftp_tsize; /* The number of hashes we printed */ -static short TftpNumchars; +static short tftp_tsize_num_hash; #endif #ifdef CONFIG_CMD_TFTPPUT -static int TftpWriting; /* 1 if writing, else 0 */ -static int TftpFinalBlock; /* 1 if we have sent the last block */ +/* 1 if writing, else 0 */ +static int tftp_put_active; +/* 1 if we have sent the last block */ +static int tftp_put_final_block_sent; #else -#define TftpWriting 0 +#define tftp_put_active 0 #endif #define STATE_SEND_RRQ 1 @@ -127,40 +138,14 @@ static char tftp_filename[MAX_LEN]; #define TFTP_MTU_BLOCKSIZE 1468 #endif -static unsigned short TftpBlkSize = TFTP_BLOCK_SIZE; -static unsigned short TftpBlkSizeOption = TFTP_MTU_BLOCKSIZE; - -#ifdef CONFIG_MCAST_TFTP -#include -#define MTFTP_BITMAPSIZE 0x1000 -static unsigned *Bitmap; -static int PrevBitmapHole, Mapsize = MTFTP_BITMAPSIZE; -static uchar ProhibitMcast, MasterClient; -static uchar Multicast; -static int Mcast_port; -static ulong TftpEndingBlock; /* can get 'last' block before done..*/ - -static void parse_multicast_oack(char *pkt, int len); - -static void -mcast_cleanup(void) -{ - if (Mcast_addr) - eth_mcast_join(Mcast_addr, 0); - if (Bitmap) - free(Bitmap); - Bitmap = NULL; - Mcast_addr = Multicast = Mcast_port = 0; - TftpEndingBlock = -1; -} - -#endif /* CONFIG_MCAST_TFTP */ +static unsigned short tftp_block_size = TFTP_BLOCK_SIZE; +static unsigned short tftp_block_size_option = TFTP_MTU_BLOCKSIZE; -static inline void -store_block(int block, uchar *src, unsigned len) +static inline int store_block(int block, uchar *src, unsigned int len) { - ulong offset = block * TftpBlkSize + TftpBlockWrapOffset; + ulong offset = block * tftp_block_size + tftp_block_wrap_offset; ulong newsize = offset + len; + ulong store_addr = tftp_load_addr + offset; #ifdef CONFIG_SYS_DIRECT_FLASH_TFTP int i, rc = 0; @@ -168,41 +153,55 @@ store_block(int block, uchar *src, unsigned len) /* start address in flash? */ if (flash_info[i].flash_id == FLASH_UNKNOWN) continue; - if (load_addr + offset >= flash_info[i].start[0]) { + if (store_addr >= flash_info[i].start[0]) { rc = 1; break; } } if (rc) { /* Flash is destination for this packet */ - rc = flash_write((char *)src, (ulong)(load_addr+offset), len); + rc = flash_write((char *)src, store_addr, len); if (rc) { flash_perror(rc); - net_set_state(NETLOOP_FAIL); - return; + return rc; } } else #endif /* CONFIG_SYS_DIRECT_FLASH_TFTP */ { - (void)memcpy((void *)(load_addr + offset), src, len); - } -#ifdef CONFIG_MCAST_TFTP - if (Multicast) - ext2_set_bit(block, Bitmap); + void *ptr; + +#ifdef CONFIG_LMB + ulong end_addr = tftp_load_addr + tftp_load_size; + + if (!end_addr) + end_addr = ULONG_MAX; + + if (store_addr < tftp_load_addr || + store_addr + len > end_addr) { + puts("\nTFTP error: "); + puts("trying to overwrite reserved memory...\n"); + return -1; + } #endif + ptr = map_sysmem(store_addr, len); + memcpy(ptr, src, len); + unmap_sysmem(ptr); + } + + if (net_boot_file_size < newsize) + net_boot_file_size = newsize; - if (NetBootFileXferSize < newsize) - NetBootFileXferSize = newsize; + return 0; } /* Clear our state ready for a new transfer */ static void new_transfer(void) { - TftpLastBlock = 0; - TftpBlockWrap = 0; - TftpBlockWrapOffset = 0; + tftp_prev_block = 0; + tftp_block_wrap = 0; + tftp_block_wrap_offset = 0; #ifdef CONFIG_CMD_TFTPPUT - TftpFinalBlock = 0; + tftp_put_final_block_sent = 0; #endif } @@ -218,38 +217,41 @@ static void new_transfer(void) static int load_block(unsigned block, uchar *dst, unsigned len) { /* We may want to get the final block from the previous set */ - ulong offset = ((int)block - 1) * len + TftpBlockWrapOffset; + ulong offset = ((int)block - 1) * len + tftp_block_wrap_offset; ulong tosend = len; - tosend = min(NetBootFileXferSize - offset, tosend); + tosend = min(net_boot_file_size - offset, tosend); (void)memcpy(dst, (void *)(save_addr + offset), tosend); debug("%s: block=%d, offset=%ld, len=%d, tosend=%ld\n", __func__, - block, offset, len, tosend); + block, offset, len, tosend); return tosend; } #endif -static void TftpSend(void); -static void TftpTimeout(void); +static void tftp_send(void); +static void tftp_timeout_handler(void); /**********************************************************************/ static void show_block_marker(void) { #ifdef CONFIG_TFTP_TSIZE - if (TftpTsize) { - ulong pos = TftpBlock * TftpBlkSize + TftpBlockWrapOffset; + if (tftp_tsize) { + ulong pos = tftp_cur_block * tftp_block_size + + tftp_block_wrap_offset; + if (pos > tftp_tsize) + pos = tftp_tsize; - while (TftpNumchars < pos * 50 / TftpTsize) { + while (tftp_tsize_num_hash < pos * 50 / tftp_tsize) { putc('#'); - TftpNumchars++; + tftp_tsize_num_hash++; } } else #endif { - if (((TftpBlock - 1) % 10) == 0) + if (((tftp_cur_block - 1) % 10) == 0) putc('#'); - else if ((TftpBlock % (10 * HASHES_PER_LINE)) == 0) + else if ((tftp_cur_block % (10 * HASHES_PER_LINE)) == 0) puts("\n\t "); } } @@ -262,10 +264,7 @@ static void show_block_marker(void) static void restart(const char *msg) { printf("\n%s; starting again\n", msg); -#ifdef CONFIG_MCAST_TFTP - mcast_cleanup(); -#endif - NetStartAgain(); + net_start_again(); } /* @@ -281,10 +280,10 @@ static void update_block_number(void) * number of 0 this means that there was a wrap * around of the (16 bit) counter. */ - if (TftpBlock == 0 && TftpLastBlock != 0) { - TftpBlockWrap++; - TftpBlockWrapOffset += TftpBlkSize * TFTP_SEQUENCE_SIZE; - TftpTimeoutCount = 0; /* we've done well, reset thhe timeout */ + if (tftp_cur_block == 0 && tftp_prev_block != 0) { + tftp_block_wrap++; + tftp_block_wrap_offset += tftp_block_size * TFTP_SEQUENCE_SIZE; + timeout_count = 0; /* we've done well, reset the timeout */ } else { show_block_marker(); } @@ -295,49 +294,43 @@ static void tftp_complete(void) { #ifdef CONFIG_TFTP_TSIZE /* Print hash marks for the last packet received */ - while (TftpTsize && TftpNumchars < 49) { + while (tftp_tsize && tftp_tsize_num_hash < 49) { putc('#'); - TftpNumchars++; + tftp_tsize_num_hash++; } + puts(" "); + print_size(tftp_tsize, ""); #endif time_start = get_timer(time_start); if (time_start > 0) { puts("\n\t "); /* Line up with "Loading: " */ - print_size(NetBootFileXferSize / + print_size(net_boot_file_size / time_start * 1000, "/s"); } puts("\ndone\n"); net_set_state(NETLOOP_SUCCESS); } -static void -TftpSend(void) +static void tftp_send(void) { uchar *pkt; uchar *xp; int len = 0; ushort *s; -#ifdef CONFIG_MCAST_TFTP - /* Multicast TFTP.. non-MasterClients do not ACK data. */ - if (Multicast - && (TftpState == STATE_DATA) - && (MasterClient == 0)) - return; -#endif /* * We will always be sending some sort of packet, so * cobble together the packet headers now. */ - pkt = NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE; + pkt = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE; - switch (TftpState) { + switch (tftp_state) { case STATE_SEND_RRQ: case STATE_SEND_WRQ: xp = pkt; s = (ushort *)pkt; #ifdef CONFIG_CMD_TFTPPUT - *s++ = htons(TftpState == STATE_SEND_RRQ ? TFTP_RRQ : + *s++ = htons(tftp_state == STATE_SEND_RRQ ? TFTP_RRQ : TFTP_WRQ); #else *s++ = htons(TFTP_RRQ); @@ -349,55 +342,36 @@ TftpSend(void) pkt += 5 /*strlen("octet")*/ + 1; strcpy((char *)pkt, "timeout"); pkt += 7 /*strlen("timeout")*/ + 1; - sprintf((char *)pkt, "%lu", TftpTimeoutMSecs / 1000); + sprintf((char *)pkt, "%lu", timeout_ms / 1000); debug("send option \"timeout %s\"\n", (char *)pkt); pkt += strlen((char *)pkt) + 1; #ifdef CONFIG_TFTP_TSIZE - pkt += sprintf((char *)pkt, "tsize%c%lu%c", - 0, NetBootFileXferSize, 0); + pkt += sprintf((char *)pkt, "tsize%c%u%c", + 0, net_boot_file_size, 0); #endif /* try for more effic. blk size */ pkt += sprintf((char *)pkt, "blksize%c%d%c", - 0, TftpBlkSizeOption, 0); -#ifdef CONFIG_MCAST_TFTP - /* Check all preconditions before even trying the option */ - if (!ProhibitMcast) { - Bitmap = malloc(Mapsize); - if (Bitmap && eth_get_dev()->mcast) { - free(Bitmap); - Bitmap = NULL; - pkt += sprintf((char *)pkt, "multicast%c%c", - 0, 0); - } - } -#endif /* CONFIG_MCAST_TFTP */ + 0, tftp_block_size_option, 0); len = pkt - xp; break; case STATE_OACK: -#ifdef CONFIG_MCAST_TFTP - /* My turn! Start at where I need blocks I missed.*/ - if (Multicast) - TftpBlock = ext2_find_next_zero_bit(Bitmap, - (Mapsize*8), 0); - /*..falling..*/ -#endif case STATE_RECV_WRQ: case STATE_DATA: xp = pkt; s = (ushort *)pkt; s[0] = htons(TFTP_ACK); - s[1] = htons(TftpBlock); + s[1] = htons(tftp_cur_block); pkt = (uchar *)(s + 2); #ifdef CONFIG_CMD_TFTPPUT - if (TftpWriting) { - int toload = TftpBlkSize; - int loaded = load_block(TftpBlock, pkt, toload); + if (tftp_put_active) { + int toload = tftp_block_size; + int loaded = load_block(tftp_cur_block, pkt, toload); s[0] = htons(TFTP_DATA); pkt += loaded; - TftpFinalBlock = (loaded < toload); + tftp_put_final_block_sent = (loaded < toload); } #endif len = pkt - xp; @@ -427,13 +401,14 @@ TftpSend(void) break; } - NetSendUDPPacket(NetServerEther, TftpRemoteIP, TftpRemotePort, - TftpOurPort, len); + net_send_udp_packet(net_server_ethaddr, tftp_remote_ip, + tftp_remote_port, tftp_our_port, len); } #ifdef CONFIG_CMD_TFTPPUT static void icmp_handler(unsigned type, unsigned code, unsigned dest, - IPaddr_t sip, unsigned src, uchar *pkt, unsigned len) + struct in_addr sip, unsigned src, uchar *pkt, + unsigned len) { if (type == ICMP_NOT_REACH && code == ICMP_NOT_REACH_PORT) { /* Oh dear the other end has gone away */ @@ -442,23 +417,18 @@ static void icmp_handler(unsigned type, unsigned code, unsigned dest, } #endif -static void -TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, - unsigned len) +static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip, + unsigned src, unsigned len) { __be16 proto; __be16 *s; int i; - if (dest != TftpOurPort) { -#ifdef CONFIG_MCAST_TFTP - if (Multicast - && (!Mcast_port || (dest != Mcast_port))) -#endif + if (dest != tftp_our_port) { 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) @@ -469,14 +439,13 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, 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 { /* @@ -484,12 +453,12 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, * 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 @@ -501,144 +470,100 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, #ifdef CONFIG_CMD_TFTPSRV case TFTP_WRQ: debug("Got WRQ\n"); - TftpRemoteIP = sip; - TftpRemotePort = src; - TftpOurPort = 1024 + (get_timer(0) % 3072); + tftp_remote_ip = sip; + 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.. */ - 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; - } else -#endif - if (TftpBlock != 1) { /* Assertion */ - printf("\nTFTP error: " - "First block is not block 1 (%ld)\n" - "Starting again\n\n", - TftpBlock); - NetStartAgain(); + 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"); + net_start_again(); 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 = tftp_timeout_count_max; + net_set_timeout_handler(timeout_ms, tftp_timeout_handler); - store_block(TftpBlock - 1, pkt + 2, len); + if (store_block(tftp_cur_block - 1, pkt + 2, len)) { + eth_halt(); + net_set_state(NETLOOP_FAIL); + break; + } /* * Acknowledge the block just received, which will prompt * the remote for the next one. */ -#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; - } else if (MasterClient) { - TftpBlock = PrevBitmapHole = - ext2_find_next_zero_bit( - Bitmap, - (Mapsize*8), - PrevBitmapHole); - if (TftpBlock > ((Mapsize*8) - 1)) { - printf("tftpfile too big\n"); - /* try to double it and retry */ - Mapsize <<= 1; - mcast_cleanup(); - NetStartAgain(); - return; - } - TftpLastBlock = TftpBlock; - } - } -#endif - TftpSend(); - -#ifdef CONFIG_MCAST_TFTP - if (Multicast) { - if (MasterClient && (TftpBlock >= TftpEndingBlock)) { - puts("\nMulticast tftp done\n"); - mcast_cleanup(); - net_set_state(NETLOOP_SUCCESS); - } - } else -#endif - if (len < TftpBlkSize) + tftp_send(); + + if (len < tftp_block_size) tftp_complete(); break; @@ -660,10 +585,7 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, case TFTP_ERR_FILE_ALREADY_EXISTS: default: puts("Starting again\n\n"); -#ifdef CONFIG_MCAST_TFTP - mcast_cleanup(); -#endif - NetStartAgain(); + net_start_again(); break; } break; @@ -671,70 +593,88 @@ TftpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, } -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(); + net_set_timeout_handler(timeout_ms, tftp_timeout_handler); + if (tftp_state != STATE_RECV_WRQ) + tftp_send(); } } +/* Initialize tftp_load_addr and tftp_load_size from load_addr and lmb */ +static int tftp_init_load_addr(void) +{ +#ifdef CONFIG_LMB + struct lmb lmb; + phys_size_t max_size; + + lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob); + + max_size = lmb_get_free_size(&lmb, load_addr); + if (!max_size) + return -1; + + tftp_load_size = max_size; +#endif + tftp_load_addr = load_addr; + return 0; +} -void TftpStart(enum proto_t protocol) +void tftp_start(enum proto_t protocol) { +#if CONFIG_NET_TFTP_VARS char *ep; /* Environment pointer */ /* * Allow the user to choose TFTP blocksize and timeout. * TFTP protocol has a minimal timeout of 1 second. */ - ep = getenv("tftpblocksize"); + + ep = env_get("tftpblocksize"); + if (ep != NULL) + tftp_block_size_option = simple_strtol(ep, NULL, 10); + + ep = env_get("tftptimeout"); if (ep != NULL) - TftpBlkSizeOption = simple_strtol(ep, NULL, 10); + timeout_ms = simple_strtol(ep, NULL, 10); - ep = getenv("tftptimeout"); + if (timeout_ms < 1000) { + printf("TFTP timeout (%ld ms) too low, set min = 1000 ms\n", + timeout_ms); + timeout_ms = 1000; + } + + ep = env_get("tftptimeoutcountmax"); if (ep != NULL) - TftpTimeoutMSecs = simple_strtol(ep, NULL, 10); + tftp_timeout_count_max = simple_strtol(ep, NULL, 10); - if (TftpTimeoutMSecs < 1000) { - printf("TFTP timeout (%ld ms) too low, " - "set minimum = 1000 ms\n", - TftpTimeoutMSecs); - TftpTimeoutMSecs = 1000; + if (tftp_timeout_count_max < 0) { + printf("TFTP timeout count max (%d ms) negative, set to 0\n", + tftp_timeout_count_max); + tftp_timeout_count_max = 0; } +#endif debug("TFTP blocksize = %i, timeout = %ld ms\n", - TftpBlkSizeOption, TftpTimeoutMSecs); + tftp_block_size_option, timeout_ms); - TftpRemoteIP = NetServerIP; - if (BootFile[0] == '\0') { + tftp_remote_ip = net_server_ip; + if (!net_parse_bootfile(&tftp_remote_ip, tftp_filename, MAX_LEN)) { sprintf(default_filename, "%02X%02X%02X%02X.img", - NetOurIP & 0xFF, - (NetOurIP >> 8) & 0xFF, - (NetOurIP >> 16) & 0xFF, - (NetOurIP >> 24) & 0xFF); + net_ip.s_addr & 0xFF, + (net_ip.s_addr >> 8) & 0xFF, + (net_ip.s_addr >> 16) & 0xFF, + (net_ip.s_addr >> 24) & 0xFF); - strncpy(tftp_filename, default_filename, MAX_LEN); - tftp_filename[MAX_LEN-1] = 0; + strncpy(tftp_filename, default_filename, DEFAULT_NAME_LEN); + tftp_filename[DEFAULT_NAME_LEN - 1] = 0; printf("*** Warning: no boot file name; using '%s'\n", - tftp_filename); - } else { - char *p = strchr(BootFile, ':'); - - if (p == NULL) { - strncpy(tftp_filename, BootFile, MAX_LEN); - tftp_filename[MAX_LEN-1] = 0; - } else { - TftpRemoteIP = string_to_ip(BootFile); - strncpy(tftp_filename, p + 1, MAX_LEN); - tftp_filename[MAX_LEN-1] = 0; - } + tftp_filename); } printf("Using %s device\n", eth_get_name()); @@ -742,208 +682,130 @@ void TftpStart(enum proto_t protocol) #ifdef CONFIG_CMD_TFTPPUT protocol == TFTPPUT ? "to" : "from", #else - "from", + "from", #endif - &TftpRemoteIP, &NetOurIP); + &tftp_remote_ip, &net_ip); /* Check if we need to send across this subnet */ - if (NetOurGatewayIP && NetOurSubnetMask) { - IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; - IPaddr_t RemoteNet = TftpRemoteIP & NetOurSubnetMask; - - if (OurNet != RemoteNet) - printf("; sending through gateway %pI4", - &NetOurGatewayIP); + if (net_gateway.s_addr && net_netmask.s_addr) { + struct in_addr our_net; + struct in_addr remote_net; + + our_net.s_addr = net_ip.s_addr & net_netmask.s_addr; + remote_net.s_addr = tftp_remote_ip.s_addr & net_netmask.s_addr; + if (our_net.s_addr != remote_net.s_addr) + printf("; sending through gateway %pI4", &net_gateway); } putc('\n'); printf("Filename '%s'.", tftp_filename); - if (NetBootFileSize) { - printf(" Size is 0x%x Bytes = ", NetBootFileSize<<9); - print_size(NetBootFileSize<<9, ""); + if (net_boot_file_expected_size_in_blocks) { + printf(" Size is 0x%x Bytes = ", + net_boot_file_expected_size_in_blocks << 9); + print_size(net_boot_file_expected_size_in_blocks << 9, ""); } 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); - NetBootFileXferSize = 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); + if (tftp_init_load_addr()) { + eth_halt(); + net_set_state(NETLOOP_FAIL); + puts("\nTFTP error: "); + puts("trying to overwrite reserved memory...\n"); + return; + } + printf("Load address: 0x%lx\n", tftp_load_addr); puts("Loading: *\b"); - TftpState = STATE_SEND_RRQ; + tftp_state = STATE_SEND_RRQ; +#ifdef CONFIG_CMD_BOOTEFI + efi_set_bootdev("Net", "", tftp_filename); +#endif } time_start = get_timer(0); - TftpTimeoutCountMax = TftpRRQTimeoutCountMax; + timeout_count_max = tftp_timeout_count_max; - NetSetTimeout(TftpTimeoutMSecs, TftpTimeout); - net_set_udp_handler(TftpHandler); + net_set_timeout_handler(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"); + ep = env_get("tftpdstp"); if (ep != NULL) - TftpRemotePort = simple_strtol(ep, NULL, 10); - ep = getenv("tftpsrcp"); + tftp_remote_port = simple_strtol(ep, NULL, 10); + ep = env_get("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(NetServerEther, 0, 6); - /* Revert TftpBlkSize to dflt */ - TftpBlkSize = TFTP_BLOCK_SIZE; -#ifdef CONFIG_MCAST_TFTP - mcast_cleanup(); -#endif + memset(net_server_ethaddr, 0, 6); + /* Revert tftp_block_size to dflt */ + tftp_block_size = TFTP_BLOCK_SIZE; #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; + if (tftp_init_load_addr()) { + eth_halt(); + net_set_state(NETLOOP_FAIL); + puts("\nTFTP error: trying to overwrite reserved memory...\n"); + return; + } printf("Using %s device\n", eth_get_name()); - printf("Listening for TFTP transfer on %pI4\n", &NetOurIP); - printf("Load address: 0x%lx\n", load_addr); + printf("Listening for TFTP transfer on %pI4\n", &net_ip); + printf("Load address: 0x%lx\n", tftp_load_addr); puts("Loading: *\b"); - TftpTimeoutCountMax = TIMEOUT_COUNT; - TftpTimeoutCount = 0; - TftpTimeoutMSecs = TIMEOUT; - NetSetTimeout(TftpTimeoutMSecs, TftpTimeout); + timeout_count_max = tftp_timeout_count_max; + timeout_count = 0; + timeout_ms = TIMEOUT; + net_set_timeout_handler(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; - net_set_udp_handler(TftpHandler); + tftp_state = STATE_RECV_WRQ; + net_set_udp_handler(tftp_handler); /* zero out server ether in case the server ip has changed */ - memset(NetServerEther, 0, 6); + memset(net_server_ethaddr, 0, 6); } #endif /* CONFIG_CMD_TFTPSRV */ -#ifdef CONFIG_MCAST_TFTP -/* Credits: atftp project. - */ - -/* pick up BcastAddr, Port, and whether I am [now] the master-client. * - * Frame: - * +-------+-----------+---+-------~~-------+---+ - * | opc | multicast | 0 | addr, port, mc | 0 | - * +-------+-----------+---+-------~~-------+---+ - * The multicast addr/port becomes what I listen to, and if 'mc' is '1' then - * I am the new master-client so must send ACKs to DataBlocks. If I am not - * master-client, I'm a passive client, gathering what DataBlocks I may and - * making note of which ones I got in my bitmask. - * In theory, I never go from master->passive.. - * .. this comes in with pkt already pointing just past opc - */ -static void parse_multicast_oack(char *pkt, int len) -{ - int i; - IPaddr_t addr; - char *mc_adr, *port, *mc; - - mc_adr = port = 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) - break; - if (i >= (len-14)) /* non-Multicast OACK, ign. */ - return; - - i += 10; /* strlen multicast */ - mc_adr = pkt+i; - for (; i < len; i++) { - if (*(pkt+i) == ',') { - *(pkt+i) = '\0'; - if (port) { - mc = pkt+i+1; - break; - } else { - port = pkt+i+1; - } - } - } - if (!port || !mc_adr || !mc) - return; - if (Multicast && MasterClient) { - 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) { - printf("Internal failure! no mcast.\n"); - free(Bitmap); - Bitmap = NULL; - ProhibitMcast = 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; - return; - } - memset(Bitmap, 0, Mapsize); - PrevBitmapHole = 0; - Multicast = 1; - } - addr = string_to_ip(mc_adr); - if (Mcast_addr != addr) { - if (Mcast_addr) - eth_mcast_join(Mcast_addr, 0); - Mcast_addr = addr; - if (eth_mcast_join(Mcast_addr, 1)) { - printf("Fail to set mcast, revert to TFTP\n"); - ProhibitMcast = 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); - return; -} - -#endif /* Multicast TFTP */