X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=net%2Fnfs.c;h=381b75f1c5b091799876aa77ec8997c97ea14fa9;hb=20f86a0aeaad5dfa0b4f50bf5d04dd7bf1f7c3e9;hp=6573c1716bb07fd731f5a03426cf1fd4cedb84ba;hpb=6f99eec3dc2285abfb93631003f7e5cadf2eab0f;p=karo-tx-uboot.git diff --git a/net/nfs.c b/net/nfs.c index 6573c1716b..381b75f1c5 100644 --- a/net/nfs.c +++ b/net/nfs.c @@ -29,23 +29,27 @@ #include "nfs.h" #include "bootp.h" -/*#define NFS_DEBUG*/ - -#if defined(CONFIG_CMD_NET) && defined(CONFIG_CMD_NFS) - #define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ #define NFS_RETRY_COUNT 30 -#define NFS_TIMEOUT 2UL +#ifndef CONFIG_NFS_TIMEOUT +# define NFS_TIMEOUT 2000UL +#else +# define NFS_TIMEOUT CONFIG_NFS_TIMEOUT +#endif + +#define NFS_RPC_ERR 1 +#define NFS_RPC_DROP 124 -static int fs_mounted = 0; -static unsigned long rpc_id = 0; +static int fs_mounted; +static unsigned long rpc_id; static int nfs_offset = -1; static int nfs_len; +static ulong nfs_timeout = NFS_TIMEOUT; static char dirfh[NFS_FHSIZE]; /* file handle of directory */ static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ -static int NfsDownloadState; +static enum net_loop_state nfs_download_state; static IPaddr_t NfsServerIP; static int NfsSrvMountPort; static int NfsSrvNfsPort; @@ -65,14 +69,14 @@ static char *nfs_filename; static char *nfs_path; static char nfs_path_buff[2048]; -static __inline__ int -store_block (uchar * src, unsigned offset, unsigned len) +static inline int +store_block(uchar *src, unsigned offset, unsigned len) { ulong newsize = offset + len; -#ifdef CFG_DIRECT_FLASH_NFS +#ifdef CONFIG_SYS_DIRECT_FLASH_NFS int i, rc = 0; - for (i=0; i= flash_info[i].start[0]) { rc = 1; @@ -81,15 +85,15 @@ store_block (uchar * src, unsigned offset, unsigned len) } if (rc) { /* Flash is destination for this packet */ - rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); + rc = flash_write((uchar *)src, (ulong)(load_addr+offset), len); if (rc) { - flash_perror (rc); + flash_perror(rc); return -1; } } else -#endif /* CFG_DIRECT_FLASH_NFS */ +#endif /* CONFIG_SYS_DIRECT_FLASH_NFS */ { - (void)memcpy ((void *)(load_addr + offset), src, len); + (void)memcpy((void *)(load_addr + offset), src, len); } if (NetBootFileXferSize < (offset+len)) @@ -98,7 +102,7 @@ store_block (uchar * src, unsigned offset, unsigned len) } static char* -basename (char *path) +basename(char *path) { char *fname; @@ -114,11 +118,11 @@ basename (char *path) } static char* -dirname (char *path) +dirname(char *path) { char *fname; - fname = basename (path); + fname = basename(path); --fname; *fname = '\0'; return path; @@ -127,14 +131,14 @@ dirname (char *path) /************************************************************************** RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries **************************************************************************/ -static long *rpc_add_credentials (long *p) +static long *rpc_add_credentials(long *p) { int hl; int hostnamelen; char hostname[256]; - strcpy (hostname, ""); - hostnamelen=strlen (hostname); + strcpy(hostname, ""); + hostnamelen = strlen(hostname); /* Here's the executive summary on authentication requirements of the * various NFS server implementations: Linux accepts both AUTH_NONE @@ -152,10 +156,9 @@ static long *rpc_add_credentials (long *p) *p++ = htonl(hl+20); /* auth length */ *p++ = htonl(0); /* stamp */ *p++ = htonl(hostnamelen); /* hostname string */ - if (hostnamelen & 3) { + if (hostnamelen & 3) *(p + hostnamelen / 4) = 0; /* add zero padding */ - } - memcpy (p, hostname, hostnamelen); + memcpy(p, hostname, hostnamelen); p += hl / 4; *p++ = 0; /* uid */ *p++ = 0; /* gid */ @@ -172,7 +175,7 @@ static long *rpc_add_credentials (long *p) RPC_LOOKUP - Lookup RPC Port numbers **************************************************************************/ static void -rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) +rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen) { struct rpc_t pkt; unsigned long id; @@ -190,11 +193,12 @@ rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) p = (uint32_t *)&(pkt.u.call.data); if (datalen) - memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); + memcpy((char *)p, (char *)data, datalen*sizeof(uint32_t)); pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; - memcpy ((char *)NetTxPacket + NetEthHdrSize() + IP_HDR_SIZE, (char *)&pkt, pktlen); + memcpy((char *)NetTxPacket + NetEthHdrSize() + IP_UDP_HDR_SIZE, + (char *)&pkt, pktlen); if (rpc_prog == PROG_PORTMAP) sport = SUNRPC_PORT; @@ -203,14 +207,15 @@ rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) else sport = NfsSrvNfsPort; - NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); + NetSendUDPPacket(NetServerEther, NfsServerIP, sport, NfsOurPort, + pktlen); } /************************************************************************** RPC_LOOKUP - Lookup RPC Port numbers **************************************************************************/ static void -rpc_lookup_req (int prog, int ver) +rpc_lookup_req(int prog, int ver) { uint32_t data[16]; @@ -221,56 +226,56 @@ rpc_lookup_req (int prog, int ver) data[6] = htonl(17); /* IP_UDP */ data[7] = 0; - rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); + rpc_req(PROG_PORTMAP, PORTMAP_GETPORT, data, 8); } /************************************************************************** NFS_MOUNT - Mount an NFS Filesystem **************************************************************************/ static void -nfs_mount_req (char *path) +nfs_mount_req(char *path) { uint32_t data[1024]; uint32_t *p; int len; int pathlen; - pathlen = strlen (path); + pathlen = strlen(path); p = &(data[0]); p = (uint32_t *)rpc_add_credentials((long *)p); *p++ = htonl(pathlen); - if (pathlen & 3) *(p + pathlen / 4) = 0; - memcpy (p, path, pathlen); + if (pathlen & 3) + *(p + pathlen / 4) = 0; + memcpy(p, path, pathlen); p += (pathlen + 3) / 4; len = (uint32_t *)p - (uint32_t *)&(data[0]); - rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); + rpc_req(PROG_MOUNT, MOUNT_ADDENTRY, data, len); } /************************************************************************** NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server **************************************************************************/ static void -nfs_umountall_req (void) +nfs_umountall_req(void) { uint32_t data[1024]; uint32_t *p; int len; - if ((NfsSrvMountPort == -1) || (!fs_mounted)) { + if ((NfsSrvMountPort == -1) || (!fs_mounted)) /* Nothing mounted, nothing to umount */ return; - } p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = (uint32_t *)rpc_add_credentials((long *)p); len = (uint32_t *)p - (uint32_t *)&(data[0]); - rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); + rpc_req(PROG_MOUNT, MOUNT_UMOUNTALL, data, len); } /*************************************************************************** @@ -281,65 +286,66 @@ nfs_umountall_req (void) * so that inside the nfs() function a recursion can be done. **************************************************************************/ static void -nfs_readlink_req (void) +nfs_readlink_req(void) { uint32_t data[1024]; uint32_t *p; int len; p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = (uint32_t *)rpc_add_credentials((long *)p); - memcpy (p, filefh, NFS_FHSIZE); + memcpy(p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); len = (uint32_t *)p - (uint32_t *)&(data[0]); - rpc_req (PROG_NFS, NFS_READLINK, data, len); + rpc_req(PROG_NFS, NFS_READLINK, data, len); } /************************************************************************** NFS_LOOKUP - Lookup Pathname **************************************************************************/ static void -nfs_lookup_req (char *fname) +nfs_lookup_req(char *fname) { uint32_t data[1024]; uint32_t *p; int len; int fnamelen; - fnamelen = strlen (fname); + fnamelen = strlen(fname); p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = (uint32_t *)rpc_add_credentials((long *)p); - memcpy (p, dirfh, NFS_FHSIZE); + memcpy(p, dirfh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); *p++ = htonl(fnamelen); - if (fnamelen & 3) *(p + fnamelen / 4) = 0; - memcpy (p, fname, fnamelen); + if (fnamelen & 3) + *(p + fnamelen / 4) = 0; + memcpy(p, fname, fnamelen); p += (fnamelen + 3) / 4; len = (uint32_t *)p - (uint32_t *)&(data[0]); - rpc_req (PROG_NFS, NFS_LOOKUP, data, len); + rpc_req(PROG_NFS, NFS_LOOKUP, data, len); } /************************************************************************** NFS_READ - Read File on NFS Server **************************************************************************/ static void -nfs_read_req (int offset, int readlen) +nfs_read_req(int offset, int readlen) { uint32_t data[1024]; uint32_t *p; int len; p = &(data[0]); - p = (uint32_t *)rpc_add_credentials ((long *)p); + p = (uint32_t *)rpc_add_credentials((long *)p); - memcpy (p, filefh, NFS_FHSIZE); + memcpy(p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); *p++ = htonl(offset); *p++ = htonl(readlen); @@ -347,7 +353,7 @@ nfs_read_req (int offset, int readlen) len = (uint32_t *)p - (uint32_t *)&(data[0]); - rpc_req (PROG_NFS, NFS_READ, data, len); + rpc_req(PROG_NFS, NFS_READ, data, len); } /************************************************************************** @@ -355,33 +361,31 @@ RPC request dispatcher **************************************************************************/ static void -NfsSend (void) +NfsSend(void) { -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); switch (NfsState) { case STATE_PRCLOOKUP_PROG_MOUNT_REQ: - rpc_lookup_req (PROG_MOUNT, 1); + rpc_lookup_req(PROG_MOUNT, 1); break; case STATE_PRCLOOKUP_PROG_NFS_REQ: - rpc_lookup_req (PROG_NFS, 2); + rpc_lookup_req(PROG_NFS, 2); break; case STATE_MOUNT_REQ: - nfs_mount_req (nfs_path); + nfs_mount_req(nfs_path); break; case STATE_UMOUNT_REQ: - nfs_umountall_req (); + nfs_umountall_req(); break; case STATE_LOOKUP_REQ: - nfs_lookup_req (nfs_filename); + nfs_lookup_req(nfs_filename); break; case STATE_READ_REQ: - nfs_read_req (nfs_offset, nfs_len); + nfs_read_req(nfs_offset, nfs_len); break; case STATE_READLINK_REQ: - nfs_readlink_req (); + nfs_readlink_req(); break; } } @@ -391,24 +395,23 @@ Handlers for the reply from server **************************************************************************/ static int -rpc_lookup_reply (int prog, uchar *pkt, unsigned len) +rpc_lookup_reply(int prog, uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + memcpy((unsigned char *)&rpc_pkt, pkt, len); -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus) { + rpc_pkt.u.reply.astatus) return -1; - } switch (prog) { case PROG_MOUNT: @@ -423,158 +426,153 @@ rpc_lookup_reply (int prog, uchar *pkt, unsigned len) } static int -nfs_mount_reply (uchar *pkt, unsigned len) +nfs_mount_reply(uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + memcpy((unsigned char *)&rpc_pkt, pkt, len); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { + rpc_pkt.u.reply.data[0]) return -1; - } fs_mounted = 1; - memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + memcpy(dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); return 0; } static int -nfs_umountall_reply (uchar *pkt, unsigned len) +nfs_umountall_reply(uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + memcpy((unsigned char *)&rpc_pkt, pkt, len); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || - rpc_pkt.u.reply.astatus) { + rpc_pkt.u.reply.astatus) return -1; - } fs_mounted = 0; - memset (dirfh, 0, sizeof(dirfh)); + memset(dirfh, 0, sizeof(dirfh)); return 0; } static int -nfs_lookup_reply (uchar *pkt, unsigned len) +nfs_lookup_reply(uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + memcpy((unsigned char *)&rpc_pkt, pkt, len); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { + rpc_pkt.u.reply.data[0]) return -1; - } - memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + memcpy(filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); return 0; } static int -nfs_readlink_reply (uchar *pkt, unsigned len) +nfs_readlink_reply(uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; int rlen; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((unsigned char *)&rpc_pkt, pkt, len); + memcpy((unsigned char *)&rpc_pkt, pkt, len); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || rpc_pkt.u.reply.astatus || - rpc_pkt.u.reply.data[0]) { + rpc_pkt.u.reply.data[0]) return -1; - } - rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ + rlen = ntohl(rpc_pkt.u.reply.data[1]); /* new path length */ if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { int pathlen; - strcat (nfs_path, "/"); + strcat(nfs_path, "/"); pathlen = strlen(nfs_path); - memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); - nfs_path[pathlen+rlen+1] = 0; + memcpy(nfs_path + pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), + rlen); + nfs_path[pathlen + rlen] = 0; } else { - memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); + memcpy(nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); nfs_path[rlen] = 0; } return 0; } static int -nfs_read_reply (uchar *pkt, unsigned len) +nfs_read_reply(uchar *pkt, unsigned len) { struct rpc_t rpc_pkt; int rlen; -#ifdef NFS_DEBUG_nop - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - memcpy ((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); + memcpy((uchar *)&rpc_pkt, pkt, sizeof(rpc_pkt.u.reply)); - if (ntohl(rpc_pkt.u.reply.id) != rpc_id) - return -1; + if (ntohl(rpc_pkt.u.reply.id) > rpc_id) + return -NFS_RPC_ERR; + else if (ntohl(rpc_pkt.u.reply.id) < rpc_id) + return -NFS_RPC_DROP; if (rpc_pkt.u.reply.rstatus || rpc_pkt.u.reply.verifier || rpc_pkt.u.reply.astatus || rpc_pkt.u.reply.data[0]) { - if (rpc_pkt.u.reply.rstatus) { + if (rpc_pkt.u.reply.rstatus) return -9999; - } - if (rpc_pkt.u.reply.astatus) { + if (rpc_pkt.u.reply.astatus) return -9999; - } - return -ntohl(rpc_pkt.u.reply.data[0]);; + return -ntohl(rpc_pkt.u.reply.data[0]); } - if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { - puts ("\n\t "); - } - if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { - putc ('#'); - } + if ((nfs_offset != 0) && !((nfs_offset) % + (NFS_READ_SIZE / 2 * 10 * HASHES_PER_LINE))) + puts("\n\t "); + if (!(nfs_offset % ((NFS_READ_SIZE / 2) * 10))) + putc('#'); rlen = ntohl(rpc_pkt.u.reply.data[18]); - if ( store_block ((uchar *)pkt+sizeof(rpc_pkt.u.reply), nfs_offset, rlen) ) + if (store_block((uchar *)pkt + sizeof(rpc_pkt.u.reply), + nfs_offset, rlen)) return -9999; return rlen; @@ -585,108 +583,122 @@ Interfaces of U-BOOT **************************************************************************/ static void -NfsTimeout (void) +NfsTimeout(void) { - if ( NfsTimeoutCount++ < NFS_RETRY_COUNT ) { - NfsSend (); - return; + if (++NfsTimeoutCount > NFS_RETRY_COUNT) { + puts("\nRetry count exceeded; starting again\n"); + NetStartAgain(); + } else { + puts("T "); + NetSetTimeout(nfs_timeout + NFS_TIMEOUT * NfsTimeoutCount, + NfsTimeout); + NfsSend(); } - puts ("Timeout\n"); - NetState = NETLOOP_FAIL; - return; } static void -NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) +NfsHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len) { int rlen; + int reply; -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif + debug("%s\n", __func__); - if (dest != NfsOurPort) return; + if (dest != NfsOurPort) + return; switch (NfsState) { case STATE_PRCLOOKUP_PROG_MOUNT_REQ: - rpc_lookup_reply (PROG_MOUNT, pkt, len); + if (rpc_lookup_reply(PROG_MOUNT, pkt, len) == -NFS_RPC_DROP) + break; NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; - NfsSend (); + NfsSend(); break; case STATE_PRCLOOKUP_PROG_NFS_REQ: - rpc_lookup_reply (PROG_NFS, pkt, len); + if (rpc_lookup_reply(PROG_NFS, pkt, len) == -NFS_RPC_DROP) + break; NfsState = STATE_MOUNT_REQ; - NfsSend (); + NfsSend(); break; case STATE_MOUNT_REQ: - if (nfs_mount_reply(pkt, len)) { - puts ("*** ERROR: Cannot mount\n"); + reply = nfs_mount_reply(pkt, len); + if (reply == -NFS_RPC_DROP) + break; + else if (reply == -NFS_RPC_ERR) { + puts("*** ERROR: Cannot mount\n"); /* just to be sure... */ NfsState = STATE_UMOUNT_REQ; - NfsSend (); + NfsSend(); } else { NfsState = STATE_LOOKUP_REQ; - NfsSend (); + NfsSend(); } break; case STATE_UMOUNT_REQ: - if (nfs_umountall_reply(pkt, len)) { - puts ("*** ERROR: Cannot umount\n"); - NetState = NETLOOP_FAIL; + reply = nfs_umountall_reply(pkt, len); + if (reply == -NFS_RPC_DROP) + break; + else if (reply == -NFS_RPC_ERR) { + puts("*** ERROR: Cannot umount\n"); + net_set_state(NETLOOP_FAIL); } else { - puts ("\ndone\n"); - NetState = NfsDownloadState; + puts("\ndone\n"); + net_set_state(nfs_download_state); } break; case STATE_LOOKUP_REQ: - if (nfs_lookup_reply(pkt, len)) { - puts ("*** ERROR: File lookup fail\n"); + reply = nfs_lookup_reply(pkt, len); + if (reply == -NFS_RPC_DROP) + break; + else if (reply == -NFS_RPC_ERR) { + puts("*** ERROR: File lookup fail\n"); NfsState = STATE_UMOUNT_REQ; - NfsSend (); + NfsSend(); } else { NfsState = STATE_READ_REQ; nfs_offset = 0; nfs_len = NFS_READ_SIZE; - NfsSend (); + NfsSend(); } break; case STATE_READLINK_REQ: - if (nfs_readlink_reply(pkt, len)) { - puts ("*** ERROR: Symlink fail\n"); + reply = nfs_readlink_reply(pkt, len); + if (reply == -NFS_RPC_DROP) + break; + else if (reply == -NFS_RPC_ERR) { + puts("*** ERROR: Symlink fail\n"); NfsState = STATE_UMOUNT_REQ; - NfsSend (); + NfsSend(); } else { -#ifdef NFS_DEBUG - printf ("Symlink --> %s\n", nfs_path); -#endif - nfs_filename = basename (nfs_path); - nfs_path = dirname (nfs_path); + debug("Symlink --> %s\n", nfs_path); + nfs_filename = basename(nfs_path); + nfs_path = dirname(nfs_path); NfsState = STATE_MOUNT_REQ; - NfsSend (); + NfsSend(); } break; case STATE_READ_REQ: - rlen = nfs_read_reply (pkt, len); - NetSetTimeout (NFS_TIMEOUT * CFG_HZ, NfsTimeout); + rlen = nfs_read_reply(pkt, len); + NetSetTimeout(nfs_timeout, NfsTimeout); if (rlen > 0) { nfs_offset += rlen; - NfsSend (); - } - else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { + NfsSend(); + } else if ((rlen == -NFSERR_ISDIR) || (rlen == -NFSERR_INVAL)) { /* symbolic link */ NfsState = STATE_READLINK_REQ; - NfsSend (); + NfsSend(); } else { - if ( ! rlen ) NfsDownloadState = NETLOOP_SUCCESS; + if (!rlen) + nfs_download_state = NETLOOP_SUCCESS; NfsState = STATE_UMOUNT_REQ; - NfsSend (); + NfsSend(); } break; } @@ -694,77 +706,72 @@ NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) void -NfsStart (void) +NfsStart(void) { -#ifdef NFS_DEBUG - printf ("%s\n", __FUNCTION__); -#endif - NfsDownloadState = NETLOOP_FAIL; + debug("%s\n", __func__); + nfs_download_state = NETLOOP_FAIL; NfsServerIP = NetServerIP; nfs_path = (char *)nfs_path_buff; if (nfs_path == NULL) { - NetState = NETLOOP_FAIL; - puts ("*** ERROR: Fail allocate memory\n"); + net_set_state(NETLOOP_FAIL); + puts("*** ERROR: Fail allocate memory\n"); return; } if (BootFile[0] == '\0') { - sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", + sprintf(default_filename, "/nfsroot/%02X%02X%02X%02X.img", NetOurIP & 0xFF, (NetOurIP >> 8) & 0xFF, (NetOurIP >> 16) & 0xFF, - (NetOurIP >> 24) & 0xFF ); - strcpy (nfs_path, default_filename); + (NetOurIP >> 24) & 0xFF); + strcpy(nfs_path, default_filename); - printf ("*** Warning: no boot file name; using '%s'\n", + printf("*** Warning: no boot file name; using '%s'\n", nfs_path); } else { - char *p=BootFile; + char *p = BootFile; - p = strchr (p, ':'); + p = strchr(p, ':'); if (p != NULL) { - NfsServerIP = string_to_ip (BootFile); + NfsServerIP = string_to_ip(BootFile); ++p; - strcpy (nfs_path, p); + strcpy(nfs_path, p); } else { - strcpy (nfs_path, BootFile); + strcpy(nfs_path, BootFile); } } - nfs_filename = basename (nfs_path); - nfs_path = dirname (nfs_path); + nfs_filename = basename(nfs_path); + nfs_path = dirname(nfs_path); -#if defined(CONFIG_NET_MULTI) - printf ("Using %s device\n", eth_get_name()); -#endif + printf("Using %s device\n", eth_get_name()); - puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); - puts ("; our IP address is "); print_IPaddr (NetOurIP); + printf("File transfer via NFS from server %pI4" + "; our IP address is %pI4", &NfsServerIP, &NetOurIP); /* Check if we need to send across this subnet */ if (NetOurGatewayIP && NetOurSubnetMask) { IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; - if (OurNet != ServerNet) { - puts ("; sending through gateway "); - print_IPaddr (NetOurGatewayIP) ; - } + if (OurNet != ServerNet) + printf("; sending through gateway %pI4", + &NetOurGatewayIP); } - printf ("\nFilename '%s/%s'.", nfs_path, nfs_filename); + printf("\nFilename '%s/%s'.", nfs_path, nfs_filename); if (NetBootFileSize) { - printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); - print_size (NetBootFileSize<<9, ""); + printf(" Size is 0x%x Bytes = ", NetBootFileSize<<9); + print_size(NetBootFileSize<<9, ""); } - printf ("\nLoad address: 0x%lx\n" + printf("\nLoad address: 0x%lx\n" "Loading: *\b", load_addr); - NetSetTimeout (NFS_TIMEOUT * CFG_HZ, NfsTimeout); - NetSetHandler (NfsHandler); + NetSetTimeout(nfs_timeout, NfsTimeout); + net_set_udp_handler(NfsHandler); NfsTimeoutCount = 0; NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; @@ -774,9 +781,7 @@ NfsStart (void) NfsOurPort = 1000; /* zero out server ether in case the server ip has changed */ - memset (NetServerEther, 0, 6); + memset(NetServerEther, 0, 6); - NfsSend (); + NfsSend(); } - -#endif