diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | common/cmd_bootm.c | 4 | ||||
| -rw-r--r-- | common/cmd_itest.c | 3 | ||||
| -rw-r--r-- | common/cmd_mem.c | 1 | ||||
| -rw-r--r-- | common/cmd_net.c | 13 | ||||
| -rw-r--r-- | cpu/mpc5xxx/config.mk | 2 | ||||
| -rw-r--r-- | cpu/mpc5xxx/cpu_init.c | 2 | ||||
| -rw-r--r-- | cpu/mpc5xxx/fec.c | 4 | ||||
| -rw-r--r-- | cpu/mpc5xxx/start.S | 2 | ||||
| -rw-r--r-- | include/asm-ppc/global_data.h | 2 | ||||
| -rw-r--r-- | include/asm-ppc/u-boot.h | 4 | ||||
| -rw-r--r-- | include/bmp_logo.h | 2 | ||||
| -rw-r--r-- | include/cmd_confdefs.h | 1 | ||||
| -rw-r--r-- | include/common.h | 3 | ||||
| -rw-r--r-- | include/configs/IceCube.h | 4 | ||||
| -rw-r--r-- | include/configs/TOP5200.h | 4 | ||||
| -rw-r--r-- | include/net.h | 8 | ||||
| -rw-r--r-- | include/ppc_asm.tmpl | 2 | ||||
| -rw-r--r-- | lib_ppc/board.c | 12 | ||||
| -rw-r--r-- | net/Makefile | 2 | ||||
| -rw-r--r-- | net/eth.c | 2 | ||||
| -rw-r--r-- | net/net.c | 24 | ||||
| -rw-r--r-- | net/nfs.c | 772 | ||||
| -rw-r--r-- | net/nfs.h | 74 | 
24 files changed, 921 insertions, 29 deletions
| @@ -2,6 +2,9 @@  Changes for U-Boot 1.0.2:  ====================================================================== +* Patch by Masami Komiy, 22 Feb 2004: +  Add support for NFS for file download +  * Patch by Andrea Scian, 17 Feb 2004:    Add support for S3C44B0 processor and DAVE B2 board diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index ac9c32e7b..72553aa06 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -575,10 +575,10 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,  		kbd->bi_sccfreq /= 1000000L;  		kbd->bi_vco     /= 1000000L;  #endif /* CONFIG_8260 */ -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  		kbd->bi_ipbfreq /= 1000000L;  		kbd->bi_pcifreq /= 1000000L; -#endif /* CONFIG_MPC5XXX */ +#endif /* CONFIG_MPC5xxx */  	}  	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep; diff --git a/common/cmd_itest.c b/common/cmd_itest.c index 87260b02d..7fba598d4 100644 --- a/common/cmd_itest.c +++ b/common/cmd_itest.c @@ -32,6 +32,8 @@  #include <config.h>  #include <command.h> +#if (CONFIG_COMMANDS & CFG_CMD_ITEST) +  #define EQ	0  #define NE	1  #define LT	2 @@ -195,3 +197,4 @@ U_BOOT_CMD(  	"itest	 - return true/false on integer compare\n",  	"[.b, .w, .l, .s] [*]value1 <op> [*]value2\n"  ); +#endif	/* CONFIG_COMMANDS & CFG_CMD_ITEST */ diff --git a/common/cmd_mem.c b/common/cmd_mem.c index 0a5cca9a9..39fc1804f 100644 --- a/common/cmd_mem.c +++ b/common/cmd_mem.c @@ -38,6 +38,7 @@  #if (CONFIG_COMMANDS & (CFG_CMD_MEMORY	| \  			CFG_CMD_I2C	| \ +			CFG_CMD_ITEST	| \  			CFG_CMD_PCI	| \  			CMD_CMD_PORTIO	) )  int cmd_get_data_size(char* arg, int default_size) diff --git a/common/cmd_net.c b/common/cmd_net.c index e9b54d245..f13e9d493 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -81,6 +81,19 @@ U_BOOT_CMD(  );  #endif	/* CFG_CMD_DHCP */ +#if (CONFIG_COMMANDS & CFG_CMD_NFS) +int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ +	return netboot_common(NFS, cmdtp, argc, argv); +} + +U_BOOT_CMD( +	nfs,	3,	1,	do_nfs, +	"nfs    - boot image via network using NFS protocol\n", +	"[loadAddress] [host ip addr:bootfilename]\n" +); +#endif	/* CFG_CMD_NFS */ +  static void netboot_update_env(void)  {      char tmp[16] ; diff --git a/cpu/mpc5xxx/config.mk b/cpu/mpc5xxx/config.mk index 0bee6d134..ecd94e9b3 100644 --- a/cpu/mpc5xxx/config.mk +++ b/cpu/mpc5xxx/config.mk @@ -23,5 +23,5 @@  PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -PLATFORM_CPPFLAGS += -DCONFIG_MPC5XXX -ffixed-r2 -ffixed-r29 \ +PLATFORM_CPPFLAGS += -DCONFIG_MPC5xxx -ffixed-r2 -ffixed-r29 \  		     -mstring -mcpu=603e -mmultiple diff --git a/cpu/mpc5xxx/cpu_init.c b/cpu/mpc5xxx/cpu_init.c index c23d621ec..ce562c172 100644 --- a/cpu/mpc5xxx/cpu_init.c +++ b/cpu/mpc5xxx/cpu_init.c @@ -183,7 +183,7 @@ int cpu_init_r (void)  	/* route critical ints to normal ints */  	*(vu_long *)MPC5XXX_ICTL_EXT |= 0x00000001; -#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_MPC5XXX_FEC) +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_MPC5xxx_FEC)  	/* load FEC microcode */  	loadtask(0, 2);  #endif diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c index e48fa88b5..04e8001df 100644 --- a/cpu/mpc5xxx/fec.c +++ b/cpu/mpc5xxx/fec.c @@ -17,7 +17,7 @@  /* #define DEBUG	0x28 */  #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ -	defined(CONFIG_MPC5XXX_FEC) +	defined(CONFIG_MPC5xxx_FEC)  #if (DEBUG & 0x60)  static void tfifo_print(mpc5xxx_fec_priv *fec); @@ -980,4 +980,4 @@ static uint32 local_crc32(char *string, unsigned int crc_value, int len)  }  #endif	/* DEBUG */ -#endif /* CONFIG_MPC5XXX_FEC */ +#endif /* CONFIG_MPC5xxx_FEC */ diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S index 6f0b269b4..a1631f49a 100644 --- a/cpu/mpc5xxx/start.S +++ b/cpu/mpc5xxx/start.S @@ -29,7 +29,7 @@  #include <mpc5xxx.h>  #include <version.h> -#define CONFIG_MPC5XXX 1	/* needed for Linux kernel header files */ +#define CONFIG_MPC5xxx 1	/* needed for Linux kernel header files */  #define _LINUX_CONFIG_H 1	/* avoid reading Linux autoconf.h file	*/  #include <ppc_asm.tmpl> diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h index 1a9808325..e3ff631eb 100644 --- a/include/asm-ppc/global_data.h +++ b/include/asm-ppc/global_data.h @@ -46,7 +46,7 @@ typedef	struct	global_data {  	unsigned long	scc_clk;  	unsigned long	brg_clk;  #endif -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	unsigned long	ipb_clk;  	unsigned long	pci_clk;  #endif diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h index e9d9dc55b..814122282 100644 --- a/include/asm-ppc/u-boot.h +++ b/include/asm-ppc/u-boot.h @@ -42,7 +42,7 @@ typedef struct bd_info {  	|| defined(CONFIG_E500)  	unsigned long	bi_immr_base;	/* base of IMMR register */  #endif -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	unsigned long	bi_mbar_base;	/* base of internal registers */  #endif  	unsigned long	bi_bootflags;	/* boot / reboot flag (for LynxOS) */ @@ -57,7 +57,7 @@ typedef struct bd_info {  	unsigned long	bi_sccfreq;	/* SCC_CLK Freq, in MHz */  	unsigned long	bi_vco;		/* VCO Out from PLL, in MHz */  #endif -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	unsigned long	bi_ipbfreq;	/* IPB Bus Freq, in MHz */  	unsigned long	bi_pcifreq;	/* PCI Bus Freq, in MHz */  #endif diff --git a/include/bmp_logo.h b/include/bmp_logo.h index 9c924b859..265f744d0 100644 --- a/include/bmp_logo.h +++ b/include/bmp_logo.h @@ -18,7 +18,7 @@ unsigned short bmp_logo_palette[] = {  	0x0343,  0x0454,  0x0565,  0x0565,  0x0676,  0x0787,  0x0898,  0x0999,  	0x0AAA,  0x0ABA,  0x0BCB,  0x0CCC,  0x0DDD,  0x0EEE,  0x0FFF,  0x0FB3,  	0x0FB4,  0x0FC4,  0x0FC5,  0x0FC6,  0x0FD7,  0x0FD8,  0x0FD9,  0x0FDA, -	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF, +	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF,    };  unsigned char bmp_logo_bitmap[] = { diff --git a/include/cmd_confdefs.h b/include/cmd_confdefs.h index af5654cd6..6f8154c8e 100644 --- a/include/cmd_confdefs.h +++ b/include/cmd_confdefs.h @@ -86,6 +86,7 @@  #define CFG_CMD_FAT	0x0010000000000000U	/* FAT support			*/  #define CFG_CMD_IMLS	0x0020000000000000U	/* List all found images        */  #define CFG_CMD_ITEST	0x0040000000000000U	/* Integer (and string) test	*/ +#define CFG_CMD_NFS	0x0080000000000000U	/* NFS support			*/  #define CFG_CMD_ALL	0xFFFFFFFFFFFFFFFFU	/* ALL commands			*/ diff --git a/include/common.h b/include/common.h index df58008be..a1460f4c6 100644 --- a/include/common.h +++ b/include/common.h @@ -319,6 +319,7 @@ void	relocate_code (ulong, gd_t *, ulong);  ulong	get_endaddr   (void);  void	trap_init     (ulong);  #if defined (CONFIG_4xx)	|| \ +    defined (CONFIG_5xxx)	|| \      defined (CONFIG_74xx_7xx)	|| \      defined (CONFIG_74x)	|| \      defined (CONFIG_75x)	|| \ @@ -361,7 +362,7 @@ int	sdram_adjust_866 (void);  #if defined(CONFIG_8260)  int	prt_8260_clks (void);  #endif -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  int	prt_mpc5xxx_clks (void);  #endif  #ifdef CONFIG_4xx diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h index 194f62faf..888b16523 100644 --- a/include/configs/IceCube.h +++ b/include/configs/IceCube.h @@ -29,7 +29,7 @@   * (easy to change)   */ -#define CONFIG_MPC5XXX		1	/* This is an MPC5xxx CPU */ +#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */  #define CONFIG_ICECUBE		1	/* ... on IceCube board */  #define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */ @@ -213,7 +213,7 @@  /*   * Ethernet configuration   */ -#define CONFIG_MPC5XXX_FEC	1 +#define CONFIG_MPC5xxx_FEC	1  #define CONFIG_FEC_10MBIT 1 /* Workaround for FEC 100Mbit problem */  #define CONFIG_PHY_ADDR		0x00 diff --git a/include/configs/TOP5200.h b/include/configs/TOP5200.h index bdb7a46d8..ae4677d6a 100644 --- a/include/configs/TOP5200.h +++ b/include/configs/TOP5200.h @@ -41,7 +41,7 @@   * (easy to change)   */ -#define CONFIG_MPC5XXX		1	/* This is an MPC5xxx CPU */ +#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */  #define CONFIG_MPC5200		1	/* More exactly a MPC5200 */  #define CONFIG_TOP5200		1	/* ... on TOP5200 board - we need this for FEC.C */ @@ -281,7 +281,7 @@  /*   * Ethernet configuration   */ -#define CONFIG_MPC5XXX_FEC	1 +#define CONFIG_MPC5xxx_FEC	1  #define CONFIG_FEC_10MBIT	1		/* Workaround for FEC 100Mbit problem */  #define	CONFIG_PHY_ADDR		0x1f  #define	CONFIG_PHY_TYPE		0x79c874 diff --git a/include/net.h b/include/net.h index 39debc673..1b2b347f8 100644 --- a/include/net.h +++ b/include/net.h @@ -21,13 +21,13 @@  # endif  #endif	/* CONFIG_8xx */ -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  # if !defined(CONFIG_NET_MULTI) -#  if defined(CONFIG_MPC5XXX_FEC) +#  if defined(CONFIG_MPC5xxx_FEC)  #   define CONFIG_NET_MULTI  #  endif  # endif -#endif	/* CONFIG_MPC5XXX */ +#endif	/* CONFIG_MPC5xxx */  #if !defined(CONFIG_NET_MULTI) && (defined(CONFIG_8260) || defined(CONFIG_MPC8560))  #include <config.h> @@ -306,7 +306,7 @@ extern int		NetState;		/* Network loop state		*/  extern int		NetRestartWrap;		/* Tried all network devices	*/  #endif -typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS } proto_t; +typedef enum { BOOTP, RARP, ARP, TFTP, DHCP, PING, DNS, NFS } proto_t;  /* from net/net.c */  extern char	BootFile[128];			/* Boot File name		*/ diff --git a/include/ppc_asm.tmpl b/include/ppc_asm.tmpl index 799a726e7..d4d3b7447 100644 --- a/include/ppc_asm.tmpl +++ b/include/ppc_asm.tmpl @@ -175,7 +175,7 @@  #define IM_IMMR		(IM_REGBASE+0x01a8)  #define IM_SCCR		(IM_REGBASE+0x0c80) -#elif defined(CONFIG_MPC5XXX) +#elif defined(CONFIG_MPC5xxx)  #define HID0_ICE_BITPOS	16  #define HID0_DCE_BITPOS	17 diff --git a/lib_ppc/board.c b/lib_ppc/board.c index a6305339a..a85425c31 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -32,7 +32,7 @@  #ifdef CONFIG_5xx  #include <mpc5xx.h>  #endif -#ifdef CONFIG_MPC5XXX +#ifdef CONFIG_MPC5xxx  #include <mpc5xxx.h>  #endif  #if (CONFIG_COMMANDS & CFG_CMD_IDE) @@ -288,9 +288,9 @@ init_fnc_t *init_sequence[] = {  	prt_8260_clks,  #endif /* CONFIG_8260 */  	checkcpu, -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	prt_mpc5xxx_clks, -#endif /* CONFIG_MPC5XXX */ +#endif /* CONFIG_MPC5xxx */  	checkboard,  	INIT_FUNC_WATCHDOG_INIT  #if defined(CONFIG_MISC_INIT_F) @@ -478,7 +478,7 @@ void board_init_f (ulong bootflag)      defined(CONFIG_E500)  	bd->bi_immr_base = CFG_IMMR;	/* base  of IMMR register     */  #endif -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	bd->bi_mbar_base = CFG_MBAR;	/* base of internal registers */  #endif @@ -493,10 +493,10 @@ void board_init_f (ulong bootflag)  	bd->bi_sccfreq = gd->scc_clk;  	bd->bi_vco     = gd->vco_out;  #endif /* CONFIG_8260 */ -#if defined(CONFIG_MPC5XXX) +#if defined(CONFIG_MPC5xxx)  	bd->bi_ipbfreq = gd->ipb_clk;  	bd->bi_pcifreq = gd->pci_clk; -#endif /* CONFIG_MPC5XXX */ +#endif /* CONFIG_MPC5xxx */  	bd->bi_baudrate = gd->baudrate;	/* Console Baudrate     */  #ifdef CFG_EXTBDINFO diff --git a/net/Makefile b/net/Makefile index b899d7b2f..cf25a0f33 100644 --- a/net/Makefile +++ b/net/Makefile @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk  LIB	= libnet.a -OBJS	= net.o tftp.o bootp.o rarp.o eth.o +OBJS	= net.o tftp.o bootp.o rarp.o eth.o nfs.o  all:	$(LIB)  $(LIB):	$(START) $(OBJS) @@ -155,7 +155,7 @@ int eth_initialize(bd_t *bis)  #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC)  	fec_initialize(bis);  #endif -#if defined(CONFIG_MPC5XXX_FEC) +#if defined(CONFIG_MPC5xxx_FEC)  	mpc5xxx_fec_initialize(bis);  #endif  #if defined(CONFIG_SK98) @@ -55,6 +55,15 @@   *			  derived from our own IP address)   *	We want:	- load the boot file   *	Next step:	none + * + * NFS: + * + *	Prerequisites:	- own ethernet address + *			- own IP address + *			- name of bootfile (if unknown, we use a default name + *			  derived from our own IP address) + *	We want:	- load the boot file + *	Next step:	none   */ @@ -65,6 +74,7 @@  #include "bootp.h"  #include "tftp.h"  #include "rarp.h" +#include "nfs.h"  #ifdef CONFIG_STATUS_LED  #include <status_led.h>  #include <miiphy.h> @@ -278,6 +288,9 @@ restart:  	 */  	switch (protocol) { +#if (CONFIG_COMMANDS & CFG_CMD_NFS) +	case NFS: +#endif  #if (CONFIG_COMMANDS & CFG_CMD_PING)  	case PING:  #endif @@ -287,6 +300,9 @@ restart:  		NetOurSubnetMask= getenv_IPaddr ("netmask");  		switch (protocol) { +#if (CONFIG_COMMANDS & CFG_CMD_NFS) +		case NFS: +#endif  		case TFTP:  			NetServerIP = getenv_IPaddr ("serverip");  			break; @@ -357,6 +373,11 @@ restart:  			PingStart();  			break;  #endif +#if (CONFIG_COMMANDS & CFG_CMD_NFS) +		case NFS: +			NfsStart(); +			break; +#endif  		default:  			break;  		} @@ -919,6 +940,9 @@ static int net_check_prereq (proto_t protocol)  			}  			goto common;  #endif +#if (CONFIG_COMMANDS & CFG_CMD_NFS) +	case NFS: +#endif  	case TFTP:  			if (NetServerIP == 0) {  				puts ("*** ERROR: `serverip' not set\n"); diff --git a/net/nfs.c b/net/nfs.c new file mode 100644 index 000000000..6f4a06ad0 --- /dev/null +++ b/net/nfs.c @@ -0,0 +1,772 @@ +/* + * NFS support driver - based on etherboot and U-BOOT's tftp.c + * + * Masami Komiya <mkomiya@sonare.it> 2004 + * + */ + +/* NOTE: the NFS code is heavily inspired by the NetBSD netboot code (read: + * large portions are copied verbatim) as distributed in OSKit 0.97.  A few + * changes were necessary to adapt the code to Etherboot and to fix several + * inconsistencies.  Also the RPC message preparation is done "by hand" to + * avoid adding netsprintf() which I find hard to understand and use.  */ + +/* NOTE 2: Etherboot does not care about things beyond the kernel image, so + * it loads the kernel image off the boot server (ARP_SERVER) and does not + * access the client root disk (root-path in dhcpd.conf), which would use + * ARP_ROOTSERVER.  The root disk is something the operating system we are + * about to load needs to use.	This is different from the OSKit 0.97 logic.  */ + +/* NOTE 3: Symlink handling introduced by Anselm M Hoffmeister, 2003-July-14 + * If a symlink is encountered, it is followed as far as possible (recursion + * possible, maximum 16 steps). There is no clearing of ".."'s inside the + * path, so please DON'T DO THAT. thx. */ + +#include <common.h> +#include <command.h> +#include <net.h> +#include <malloc.h> +#include "nfs.h" +#include "bootp.h" + +/*#define NFS_DEBUG*/ + +#if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_NFS)) + +#define HASHES_PER_LINE 65	/* Number of "loading" hashes per line	*/ +#define NFS_TIMEOUT 10 + +static int fs_mounted = 0; +static unsigned long rpc_id; +static int nfs_offset = -1; +static int nfs_len; + +static char dirfh[NFS_FHSIZE];	/* file handle of directory */ +static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ + +static IPaddr_t NfsServerIP; +static int	NfsSrvMountPort; +static int	NfsSrvNfsPort; +static int	NfsOurPort; +static int	NfsTimeoutCount; +static int	NfsState; +#define STATE_PRCLOOKUP_PROG_MOUNT_REQ	1 +#define STATE_PRCLOOKUP_PROG_NFS_REQ	2 +#define STATE_MOUNT_REQ			3 +#define STATE_UMOUNT_REQ		4 +#define STATE_LOOKUP_REQ		5 +#define STATE_READ_REQ			6 +#define STATE_READLINK_REQ		7 + +static char default_filename[64]; +static char *nfs_filename; +static char *nfs_path; +static char nfs_path_buff[2048]; + +static __inline__ void +store_block (uchar * src, unsigned offset, unsigned len) +{ +#ifdef CFG_DIRECT_FLASH_NFS +	int i, rc = 0; + +	for (i=0; i<CFG_MAX_FLASH_BANKS; i++) { +		/* start address in flash? */ +		if (load_addr + offset >= flash_info[i].start[0]) { +			rc = 1; +			break; +		} +	} + +	if (rc) { /* Flash is destination for this packet */ +		rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); +		if (rc) { +			flash_perror (rc); +			NetState = NETLOOP_FAIL; +			return; +		} +	} else +#endif /* CFG_DIRECT_FLASH_NFS */ + +	{ +		(void)memcpy ((void *)(load_addr + offset), src, len); +	} +} + +static char* +basename (char *path) +{ +	char *fname; + +	fname = path + strlen(path) - 1; +	while (fname >= path) { +		if (*fname == '/') { +			fname++; +			break; +		} +		fname--; +	} +	return fname; +} + +static char* +dirname (char *path) +{ +	char *fname; + +	fname = basename (path); +	--fname; +	*fname = '\0'; +	return path; +} + +/************************************************************************** +RPC_INIT - set up the ID counter to something fairly random +**************************************************************************/ +static void +rpc_init (void) +{ +	unsigned long t; +	t=get_ticks(); +	rpc_id = t ^ (t << 8) ^ (t << 16); +} + +/************************************************************************** +RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries +**************************************************************************/ +static long *rpc_add_credentials (long *p) +{ +	int hl; +	int hostnamelen; +	char hostname[256]; + +	strcpy (hostname, ""); +	hostnamelen=strlen (hostname); + +	/* Here's the executive summary on authentication requirements of the +	 * various NFS server implementations:	Linux accepts both AUTH_NONE +	 * and AUTH_UNIX authentication (also accepts an empty hostname field +	 * in the AUTH_UNIX scheme).  *BSD refuses AUTH_NONE, but accepts +	 * AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX +	 * scheme).  To be safe, use AUTH_UNIX and pass the hostname if we have +	 * it (if the BOOTP/DHCP reply didn't give one, just use an empty +	 * hostname).  */ + +	hl = (hostnamelen + 3) & ~3; + +	/* Provide an AUTH_UNIX credential.  */ +	*p++ = htonl(1);		/* AUTH_UNIX */ +	*p++ = htonl(hl+20);		/* auth length */ +	*p++ = htonl(0);		/* stamp */ +	*p++ = htonl(hostnamelen);	/* hostname string */ +	if (hostnamelen & 3) { +		*(p + hostnamelen / 4) = 0; /* add zero padding */ +	} +	memcpy (p, hostname, hostnamelen); +	p += hl / 4; +	*p++ = 0;			/* uid */ +	*p++ = 0;			/* gid */ +	*p++ = 0;			/* auxiliary gid list */ + +	/* Provide an AUTH_NONE verifier.  */ +	*p++ = 0;			/* AUTH_NONE */ +	*p++ = 0;			/* auth length */ + +	return p; +} + +/************************************************************************** +RPC_LOOKUP - Lookup RPC Port numbers +**************************************************************************/ +static void +rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) +{ +	struct rpc_t pkt; +	unsigned long id; +	uint32_t *p; +	int pktlen; +	int sport; + +	id = rpc_id++; +	pkt.u.call.id = htonl(id); +	pkt.u.call.type = htonl(MSG_CALL); +	pkt.u.call.rpcvers = htonl(2);	/* use RPC version 2 */ +	pkt.u.call.prog = htonl(rpc_prog); +	pkt.u.call.vers = htonl(2);	/* portmapper is version 2 */ +	pkt.u.call.proc = htonl(rpc_proc); +	p = (uint32_t *)&(pkt.u.call.data); + +	if (datalen) +		memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); + +	pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; + +	memcpy ((char *)NetTxPacket+ETHER_HDR_SIZE+IP_HDR_SIZE, (char *)&pkt, pktlen); + +	if (rpc_prog == PROG_PORTMAP) +		sport = SUNRPC_PORT; +	else if (rpc_prog == PROG_MOUNT) +		sport = NfsSrvMountPort; +	else +		sport = NfsSrvNfsPort; + +	NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); +} + +/************************************************************************** +RPC_LOOKUP - Lookup RPC Port numbers +**************************************************************************/ +static void +rpc_lookup_req (int prog, int ver) +{ +	uint32_t data[16]; + +	data[0] = 0; data[1] = 0;	/* auth credential */ +	data[2] = 0; data[3] = 0;	/* auth verifier */ +	data[4] = htonl(prog); +	data[5] = htonl(ver); +	data[6] = htonl(17);	/* IP_UDP */ +	data[7] = 0; + +	rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); +} + +/************************************************************************** +NFS_MOUNT - Mount an NFS Filesystem +**************************************************************************/ +static void +nfs_mount_req (char *path) +{ +	uint32_t data[1024]; +	uint32_t *p; +	int len; +	int pathlen; + +	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); +	p += (pathlen + 3) / 4; + +	len = (uint32_t *)p - (uint32_t *)&(data[0]); + +	rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); +} + +/************************************************************************** +NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server +**************************************************************************/ +static void +nfs_umountall_req (void) +{ +	uint32_t data[1024]; +	uint32_t *p; +	int len; + +	if ((NfsSrvMountPort == -1) || (!fs_mounted)) { +		/* Nothing mounted, nothing to umount */ +		return; +	} + +	p = &(data[0]); +	p = (uint32_t *)rpc_add_credentials ((long *)p); + +	len = (uint32_t *)p - (uint32_t *)&(data[0]); + +	rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); +} + +/*************************************************************************** + * NFS_READLINK (AH 2003-07-14) + * This procedure is called when read of the first block fails - + * this probably happens when it's a directory or a symlink + * In case of successful readlink(), the dirname is manipulated, + * so that inside the nfs() function a recursion can be done. + **************************************************************************/ +static 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); + +	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); +} + +/************************************************************************** +NFS_LOOKUP - Lookup Pathname +**************************************************************************/ +static void +nfs_lookup_req (char *fname) +{ +	uint32_t data[1024]; +	uint32_t *p; +	int len; +	int fnamelen; + +	fnamelen = strlen (fname); + +	p = &(data[0]); +	p = (uint32_t *)rpc_add_credentials ((long *)p); + +	memcpy (p, dirfh, NFS_FHSIZE); +	p += (NFS_FHSIZE / 4); +	*p++ = htonl(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); +} + +/************************************************************************** +NFS_READ - Read File on NFS Server +**************************************************************************/ +static void +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); + +	memcpy (p, filefh, NFS_FHSIZE); +	p += (NFS_FHSIZE / 4); +	*p++ = htonl(offset); +	*p++ = htonl(readlen); +	*p++ = 0; + +	len = (uint32_t *)p - (uint32_t *)&(data[0]); + +	rpc_req (PROG_NFS, NFS_READ, data, len); +} + +/************************************************************************** +RPC request dispatcher +**************************************************************************/ + +static void +NfsSend (void) +{ +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	switch (NfsState) { +	case STATE_PRCLOOKUP_PROG_MOUNT_REQ: +		rpc_lookup_req (PROG_MOUNT, 1); +		break; +	case STATE_PRCLOOKUP_PROG_NFS_REQ: +		rpc_lookup_req (PROG_NFS, 2); +		break; +	case STATE_MOUNT_REQ: +		nfs_mount_req (nfs_path); +		break; +	case STATE_UMOUNT_REQ: +		nfs_umountall_req (); +		break; +	case STATE_LOOKUP_REQ: +		nfs_lookup_req (nfs_filename); +		break; +	case STATE_READ_REQ: +		nfs_read_req (nfs_offset, nfs_len); +		break; +	case STATE_READLINK_REQ: +		nfs_readlink_req (); +		break; +	} +} + +/************************************************************************** +Handlers for the reply from server +**************************************************************************/ + +static int +rpc_lookup_reply (int prog, uchar *pkt, unsigned len) +{ +	struct rpc_t rpc_pkt; + +	memcpy ((unsigned char *)&rpc_pkt, pkt, len); + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	if (rpc_pkt.u.reply.rstatus  || +	    rpc_pkt.u.reply.verifier || +	    rpc_pkt.u.reply.astatus  || +	    rpc_pkt.u.reply.astatus) { +	} + +	switch (prog) { +	case PROG_MOUNT: +		NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); +		break; +	case PROG_NFS: +		NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); +		break; +	} + +	return 0; +} + +static int +nfs_mount_reply (uchar *pkt, unsigned len) +{ +	struct rpc_t rpc_pkt; + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	memcpy ((unsigned char *)&rpc_pkt, pkt, len); + +	if (rpc_pkt.u.reply.rstatus  || +	    rpc_pkt.u.reply.verifier || +	    rpc_pkt.u.reply.astatus  || +	    rpc_pkt.u.reply.data[0]) { +		return -1; +	} + +	fs_mounted = 1; +	memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + +	return 0; +} + +static int +nfs_umountall_reply (uchar *pkt, unsigned len) +{ +	struct rpc_t rpc_pkt; + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	memcpy ((unsigned char *)&rpc_pkt, pkt, len); + +	if (rpc_pkt.u.reply.rstatus  || +	    rpc_pkt.u.reply.verifier || +	    rpc_pkt.u.reply.astatus) { +		return -1; +	} + +	fs_mounted = 0; +	memset (dirfh, 0, sizeof(dirfh)); + +	return 0; +} + +static int +nfs_lookup_reply (uchar *pkt, unsigned len) +{ +	struct rpc_t rpc_pkt; + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	memcpy ((unsigned char *)&rpc_pkt, pkt, len); + +	if (rpc_pkt.u.reply.rstatus  || +	    rpc_pkt.u.reply.verifier || +	    rpc_pkt.u.reply.astatus  || +	    rpc_pkt.u.reply.data[0]) { +		return -1; +	} + +	memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); + +	return 0; +} + +static int +nfs_readlink_reply (uchar *pkt, unsigned len) +{ +	struct rpc_t rpc_pkt; +	int rlen; + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	memcpy ((unsigned char *)&rpc_pkt, pkt, len); + +	if (rpc_pkt.u.reply.rstatus  || +	    rpc_pkt.u.reply.verifier || +	    rpc_pkt.u.reply.astatus  || +	    rpc_pkt.u.reply.data[0]) { +		return -1; +	} + +	rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ + +	if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { +		int pathlen; +		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; +	} else { +		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) +{ +	struct rpc_t rpc_pkt; +	int rlen; + +#ifdef NFS_DEBUG_nop +	printf ("%s\n", __FUNCTION__); +#endif + +	rlen = (uchar *)&(rpc_pkt.u.reply.data[19]) - (uchar *)&(rpc_pkt.u.reply.id); +	memcpy ((uchar *)&rpc_pkt, pkt, rlen); + +	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) { +			return -9999; +		} +		if (rpc_pkt.u.reply.astatus) { +			return -9999; +		} +		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 ('#'); +	} + +	rlen = ntohl(rpc_pkt.u.reply.data[18]); +	store_block ((uchar *)&(rpc_pkt.u.reply.data[19]), nfs_offset, rlen); + +	return rlen; +} + +/************************************************************************** +Interfaces of U-BOOT +**************************************************************************/ + +static void +NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) +{ +	int rlen; + +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	if (dest != NfsOurPort) return; + +	switch (NfsState) { +	case STATE_PRCLOOKUP_PROG_MOUNT_REQ: +		rpc_lookup_reply (PROG_MOUNT, pkt, len); +		NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; +		NfsSend (); +		break; + +	case STATE_PRCLOOKUP_PROG_NFS_REQ: +		rpc_lookup_reply (PROG_NFS, pkt, len); +		NfsState = STATE_MOUNT_REQ; +		NfsSend (); +		break; + +	case STATE_MOUNT_REQ: +		if (nfs_mount_reply(pkt, len)) { +			puts ("*** ERROR: Cannot mount\n"); +			/* just to be sure... */ +			NfsState = STATE_UMOUNT_REQ; +			NfsSend (); +		} else { +			NfsState = STATE_LOOKUP_REQ; +			NfsSend (); +		} +		break; + +	case STATE_UMOUNT_REQ: +		if (nfs_umountall_reply(pkt, len)) { +			puts ("*** ERROR: Cannot umount\n"); +			NetState = NETLOOP_FAIL; +		} else { +			NetState = NETLOOP_SUCCESS; +		} +		break; + +	case STATE_LOOKUP_REQ: +		if (nfs_lookup_reply(pkt, len)) { +			puts ("*** ERROR: File lookup fail\n"); +			NfsState = STATE_UMOUNT_REQ; +			NfsSend (); +		} else { +			NfsState = STATE_READ_REQ; +			nfs_offset = 0; +			nfs_len = NFS_READ_SIZE; +			NfsSend (); +		} +		break; + +	case STATE_READLINK_REQ: +		if (nfs_readlink_reply(pkt, len)) { +			puts ("*** ERROR: Symlink fail\n"); +			NfsState = STATE_UMOUNT_REQ; +			NfsSend (); +		} else { +#ifdef NFS_DEBUG +			printf ("Symlink --> %s\n", nfs_path); +#endif +			nfs_filename = basename (nfs_path); +			nfs_path     = dirname (nfs_path); + +			NfsState = STATE_MOUNT_REQ; +			NfsSend (); +		} +		break; + +	case STATE_READ_REQ: +		rlen = nfs_read_reply (pkt, len); +		if (rlen > 0) { +			nfs_offset += rlen; +			NfsSend (); +		} +		else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { +			/* symbolic link */ +			NfsState = STATE_READLINK_REQ; +			NfsSend (); +		} else { +			puts ("\ndone\n"); +			printf ("Bytes transferred = %d (%x hex)\n", +				nfs_offset, nfs_offset); +			NfsState = STATE_UMOUNT_REQ; +			NfsSend (); +		} +		break; +	} +} + +static void +NfsTimeout (void) +{ +	puts ("Timeout\n"); +	NetState = NETLOOP_FAIL; +	return; +} + +void +NfsStart (void) +{ +#ifdef NFS_DEBUG +	printf ("%s\n", __FUNCTION__); +#endif + +	NfsServerIP = NetServerIP; +	nfs_path = (char *)nfs_path_buff; + +	if (nfs_path == NULL) { +		NetState = NETLOOP_FAIL; +		puts ("*** ERROR: Fail allocate memory\n"); +		return; +	} + +	if (BootFile[0] == '\0') { +		IPaddr_t OurIP = ntohl (NetOurIP); + +		sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", +			OurIP & 0xFF, +			(OurIP >>  8) & 0xFF, +			(OurIP >> 16) & 0xFF, +			(OurIP >> 24) & 0xFF	); +		strcpy (nfs_path, default_filename); + +		printf ("*** Warning: no boot file name; using '%s'\n", +			nfs_path); +	} else { +		char *p=BootFile; + +		p = strchr (p, ':'); + +		if (p != NULL) { +			NfsServerIP = string_to_ip (BootFile); +			++p; +			strcpy (nfs_path, p); +		} else { +			strcpy (nfs_path, BootFile); +		} +	} + +	nfs_filename = basename (nfs_path); +	nfs_path     = dirname (nfs_path); + +#if defined(CONFIG_NET_MULTI) +	printf ("Using %s device\n", eth_get_name()); +#endif + +	puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); +	puts ("; our IP address is ");		    print_IPaddr (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) ; +		} +	} +	putc ('\n'); + +	printf ("Filename '%s/%s'.", nfs_path, nfs_filename); + +	if (NetBootFileSize) { +		printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); +		print_size (NetBootFileSize<<9, ""); +	} +	putc ('\n'); + +	printf ("Load address: 0x%lx\n", load_addr); + +	printf ("Loading: *\b"); + +	NetSetTimeout (NFS_TIMEOUT * CFG_HZ, NfsTimeout); +	NetSetHandler (NfsHandler); + +	rpc_init (); +	NfsTimeoutCount = 0; +	NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; + +	/*NfsOurPort = 4096 + (get_ticks() % 3072);*/ +	/*FIX ME !!!*/ +	NfsOurPort = 1000; + +	/* zero out server ether in case the server ip has changed */ +	memset (NetServerEther, 0, 6); + +	NfsSend (); +} + +#endif /* CONFIG_COMMANDS & CFG_CMD_NFS */ diff --git a/net/nfs.h b/net/nfs.h new file mode 100644 index 000000000..ebd426685 --- /dev/null +++ b/net/nfs.h @@ -0,0 +1,74 @@ +/* + * (C) Masami Komiya <mkomiya@sonare.it> 2004 + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2, or (at + * your option) any later version. + */ + +#ifndef __NFS_H__ +#define __NFS_H__ + +#define SUNRPC_PORT     111 + +#define PROG_PORTMAP    100000 +#define PROG_NFS        100003 +#define PROG_MOUNT      100005 + +#define MSG_CALL        0 +#define MSG_REPLY       1 + +#define PORTMAP_GETPORT 3 + +#define MOUNT_ADDENTRY  1 +#define MOUNT_UMOUNTALL 4 + +#define NFS_LOOKUP      4 +#define NFS_READLINK    5 +#define NFS_READ        6 + +#define NFS_FHSIZE      32 + +#define NFSERR_PERM     1 +#define NFSERR_NOENT    2 +#define NFSERR_ACCES    13 +#define NFSERR_ISDIR    21 +#define NFSERR_INVAL    22 + +/* Block size used for NFS read accesses.  A RPC reply packet (including  all + * headers) must fit within a single Ethernet frame to avoid fragmentation. + * Chosen to be a power of two, as most NFS servers are optimized for this.  */ +#define NFS_READ_SIZE   1024 + +#define NFS_MAXLINKDEPTH 16 + +struct rpc_t { +	union { +		uint8_t data[2048]; +		struct { +			uint32_t id; +			uint32_t type; +			uint32_t rpcvers; +			uint32_t prog; +			uint32_t vers; +			uint32_t proc; +			uint32_t data[1]; +		} call; +		struct { +			uint32_t id; +			uint32_t type; +			uint32_t rstatus; +			uint32_t verifier; +			uint32_t v2; +			uint32_t astatus; +			uint32_t data[1]; +		} reply; +	} u; +}; +extern void	NfsStart (void);	/* Begin NFS */ + + +/**********************************************************************/ + +#endif /* __NFS_H__ */ |