]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - net/tftp.c
at91: Defined main clock frequency on esd at91 boards
[karo-tx-uboot.git] / net / tftp.c
index 3dd2b06aae16a79e7b94f72bc4e6ef7cc4dbb74d..ed559b71d57b5437e88b6c3f331dd324f0607ec9 100644 (file)
 #include "tftp.h"
 #include "bootp.h"
 
-#undef ET_DEBUG
-
-#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
 #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;
+
+enum {
+       TFTP_ERR_UNDEFINED           = 0,
+       TFTP_ERR_FILE_NOT_FOUND      = 1,
+       TFTP_ERR_ACCESS_DENIED       = 2,
+       TFTP_ERR_DISK_FULL           = 3,
+       TFTP_ERR_UNEXPECTED_OPCODE   = 4,
+       TFTP_ERR_UNKNOWN_TRANSFER_ID  = 5,
+       TFTP_ERR_FILE_ALREADY_EXISTS = 6,
+};
+
 static IPaddr_t TftpServerIP;
 static int     TftpServerPort;         /* The UDP port at their end            */
 static int     TftpOurPort;            /* The UDP port at our end              */
@@ -43,6 +64,10 @@ static ulong TftpLastBlock;          /* last packet sequence number received */
 static ulong   TftpBlockWrap;          /* count of sequence number wraparounds */
 static ulong   TftpBlockWrapOffset;    /* memory offset due to wrapping        */
 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      */
+#endif
 
 #define STATE_RRQ      1
 #define STATE_DATA     2
@@ -64,15 +89,21 @@ 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
 
 /* 512 is poor choice for ethernet, MTU is typically 1500.
  * Minus eth.hdrs thats 1468.  Can get 2x better throughput with
  * almost-MTU block sizes.  At least try... fall back to 512 if need be.
+ * (but those using CONFIG_IP_DEFRAG may want to set a larger block in cfg file)
  */
+#ifdef CONFIG_TFTP_BLOCKSIZE
+#define TFTP_MTU_BLOCKSIZE CONFIG_TFTP_BLOCKSIZE
+#else
 #define TFTP_MTU_BLOCKSIZE 1468
+#endif
+
 static unsigned short TftpBlkSize=TFTP_BLOCK_SIZE;
 static unsigned short TftpBlkSizeOption=TFTP_MTU_BLOCKSIZE;
 
@@ -106,11 +137,13 @@ 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 +159,7 @@ 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);
        }
@@ -178,11 +211,13 @@ TftpSend (void)
                pkt += 5 /*strlen("octet")*/ + 1;
                strcpy ((char *)pkt, "timeout");
                pkt += 7 /*strlen("timeout")*/ + 1;
-               sprintf((char *)pkt, "%d", TIMEOUT);
-#ifdef ET_DEBUG
-               printf("send option \"timeout %s\"\n", (char *)pkt);
-#endif
+               sprintf((char *)pkt, "%lu", TftpTimeoutMSecs / 1000);
+               debug("send option \"timeout %s\"\n", (char *)pkt);
                pkt += strlen((char *)pkt) + 1;
+#ifdef CONFIG_TFTP_TSIZE
+               memcpy((char *)pkt, "tsize\0000\0", 8);
+               pkt += 8;
+#endif
                /* try for more effic. blk size */
                pkt += sprintf((char *)pkt,"blksize%c%d%c",
                                0,TftpBlkSizeOption,0);
@@ -278,9 +313,9 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                break;
 
        case TFTP_OACK:
-#ifdef ET_DEBUG
-               printf("Got OACK: %s %s\n", pkt, pkt+strlen(pkt)+1);
-#endif
+               debug("Got OACK: %s %s\n",
+                       pkt,
+                       pkt + strlen((char *)pkt) + 1);
                TftpState = STATE_OACK;
                TftpServerPort = src;
                /*
@@ -292,12 +327,16 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                        if (strcmp ((char*)pkt+i,"blksize") == 0) {
                                TftpBlkSize = (unsigned short)
                                        simple_strtoul((char*)pkt+i+8,NULL,10);
-#ifdef ET_DEBUG
-                               printf ("Blocksize ack: %s, %d\n",
+                               debug("Blocksize ack: %s, %d\n",
                                        (char*)pkt+i+8,TftpBlkSize);
-#endif
-                               break;
                        }
+#ifdef CONFIG_TFTP_TSIZE
+                       if (strcmp ((char*)pkt+i,"tsize") == 0) {
+                               TftpTsize = simple_strtoul((char*)pkt+i+6,NULL,10);
+                               debug("size = %s, %d\n",
+                                        (char*)pkt+i+6, TftpTsize);
+                       }
+#endif
                }
 #ifdef CONFIG_MCAST_TFTP
                parse_multicast_oack((char *)pkt,len-1);
@@ -323,7 +362,16 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                        TftpBlockWrap++;
                        TftpBlockWrapOffset += TftpBlkSize * TFTP_SEQUENCE_SIZE;
                        printf ("\n\t %lu MB received\n\t ", TftpBlockWrapOffset>>20);
-               } else {
+               }
+#ifdef CONFIG_TFTP_TSIZE
+               else if (TftpTsize) {
+                       while (TftpNumchars < NetBootFileXferSize * 50 / TftpTsize) {
+                               putc('#');
+                               TftpNumchars++;
+                       }
+               }
+#endif
+               else {
                        if (((TftpBlock - 1) % 10) == 0) {
                                putc ('#');
                        } else if ((TftpBlock % (10 * HASHES_PER_LINE)) == 0) {
@@ -331,11 +379,8 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                        }
                }
 
-#ifdef ET_DEBUG
-               if (TftpState == STATE_RRQ) {
-                       puts ("Server did not acknowledge timeout option!\n");
-               }
-#endif
+               if (TftpState == STATE_RRQ)
+                       debug("Server did not acknowledge timeout option!\n");
 
                if (TftpState == STATE_RRQ || TftpState == STATE_OACK) {
                        /* first block received */
@@ -368,7 +413,8 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                }
 
                TftpLastBlock = TftpBlock;
-               NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout);
+               TftpTimeoutCountMax = TIMEOUT_COUNT;
+               NetSetTimeout (TftpTimeoutMSecs, TftpTimeout);
 
                store_block (TftpBlock - 1, pkt + 2, len);
 
@@ -418,6 +464,13 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
                         *      We received the whole thing.  Try to
                         *      run it.
                         */
+#ifdef CONFIG_TFTP_TSIZE
+                       /* Print out the hash marks for the last packet received */
+                       while (TftpTsize && TftpNumchars < 49) {
+                               putc('#');
+                               TftpNumchars++;
+                       }
+#endif
                        puts ("\ndone\n");
                        NetState = NETLOOP_SUCCESS;
                }
@@ -426,11 +479,27 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
        case TFTP_ERROR:
                printf ("\nTFTP error: '%s' (%d)\n",
                                        pkt + 2, ntohs(*(ushort *)pkt));
-               puts ("Starting again\n\n");
+
+               switch (ntohs(*(ushort *)pkt)) {
+               case TFTP_ERR_FILE_NOT_FOUND:
+               case TFTP_ERR_ACCESS_DENIED:
+                       puts("Not retrying...\n");
+                       eth_halt();
+                       NetState = NETLOOP_FAIL;
+                       break;
+               case TFTP_ERR_UNDEFINED:
+               case TFTP_ERR_DISK_FULL:
+               case TFTP_ERR_UNEXPECTED_OPCODE:
+               case TFTP_ERR_UNKNOWN_TRANSFER_ID:
+               case TFTP_ERR_FILE_ALREADY_EXISTS:
+               default:
+                       puts("Starting again\n\n");
 #ifdef CONFIG_MCAST_TFTP
-               mcast_cleanup();
+                       mcast_cleanup();
 #endif
-               NetStartAgain ();
+                       NetStartAgain();
+                       break;
+               }
                break;
        }
 }
@@ -439,7 +508,7 @@ 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 +516,7 @@ TftpTimeout (void)
                NetStartAgain ();
        } else {
                puts ("T ");
-               NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout);
+               NetSetTimeout (TftpTimeoutMSecs, TftpTimeout);
                TftpSend ();
        }
 }
@@ -456,9 +525,27 @@ TftpTimeout (void)
 void
 TftpStart (void)
 {
-#ifdef CONFIG_TFTP_PORT
        char *ep;             /* Environment pointer */
-#endif
+
+       /*
+        * Allow the user to choose TFTP blocksize and timeout.
+        * TFTP protocol has a minimal timeout of 1 second.
+        */
+       if ((ep = getenv("tftpblocksize")) != NULL)
+               TftpBlkSizeOption = simple_strtol(ep, NULL, 10);
+
+       if ((ep = getenv("tftptimeout")) != NULL)
+               TftpTimeoutMSecs = simple_strtol(ep, NULL, 10);
+
+       if (TftpTimeoutMSecs < 1000) {
+               printf("TFTP timeout (%ld ms) too low, "
+                       "set minimum = 1000 ms\n",
+                       TftpTimeoutMSecs);
+               TftpTimeoutMSecs = 1000;
+       }
+
+       debug("TFTP blocksize = %i, timeout = %ld ms\n",
+               TftpBlkSizeOption, TftpTimeoutMSecs);
 
        TftpServerIP = NetServerIP;
        if (BootFile[0] == '\0') {
@@ -474,15 +561,14 @@ TftpStart (void)
                printf ("*** Warning: no boot file name; using '%s'\n",
                        tftp_filename);
        } else {
-               char *p = strchr (p, ':');
+               char *p = strchr (BootFile, ':');
 
                if (p == NULL) {
                        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;
                }
        }
@@ -490,18 +576,16 @@ TftpStart (void)
 #if defined(CONFIG_NET_MULTI)
        printf ("Using %s device\n", eth_get_name());
 #endif
-       puts ("TFTP from server ");     print_IPaddr (TftpServerIP);
-       puts ("; our IP address is ");  print_IPaddr (NetOurIP);
+       printf("TFTP from server %pI4"
+               "; our IP address is %pI4", &TftpServerIP, &NetOurIP);
 
        /* Check if we need to send across this subnet */
        if (NetOurGatewayIP && NetOurSubnetMask) {
            IPaddr_t OurNet     = NetOurIP    & NetOurSubnetMask;
            IPaddr_t ServerNet  = TftpServerIP & NetOurSubnetMask;
 
-           if (OurNet != ServerNet) {
-               puts ("; sending through gateway ");
-               print_IPaddr (NetOurGatewayIP) ;
-           }
+           if (OurNet != ServerNet)
+               printf("; sending through gateway %pI4", &NetOurGatewayIP);
        }
        putc ('\n');
 
@@ -518,7 +602,9 @@ TftpStart (void)
 
        puts ("Loading: *\b");
 
-       NetSetTimeout (TIMEOUT * CFG_HZ, TftpTimeout);
+       TftpTimeoutCountMax = TftpRRQTimeoutCountMax;
+
+       NetSetTimeout (TftpTimeoutMSecs, TftpTimeout);
        NetSetHandler (TftpHandler);
 
        TftpServerPort = WELL_KNOWN_PORT;
@@ -544,6 +630,10 @@ TftpStart (void)
 #ifdef CONFIG_MCAST_TFTP
        mcast_cleanup();
 #endif
+#ifdef CONFIG_TFTP_TSIZE
+       TftpTsize = 0;
+       TftpNumchars = 0;
+#endif
 
        TftpSend ();
 }
@@ -637,5 +727,3 @@ static void parse_multicast_oack(char *pkt, int len)
 }
 
 #endif /* Multicast TFTP */
-
-#endif