Re: [PATCH 3/5] net: remove old nfs support

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 22:00 Thu 27 Feb     , Sascha Hauer wrote:
> Now that we have the NFS as filesystem support for several releases
> remove the old command based NFS support.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

as the bootp is not fully supported on default env2 do not drop it

Best Regards,
J.
> ---
>  net/Kconfig  |   4 -
>  net/Makefile |   1 -
>  net/nfs.c    | 737 -----------------------------------------------------------
>  3 files changed, 742 deletions(-)
>  delete mode 100644 net/nfs.c
> 
> diff --git a/net/Kconfig b/net/Kconfig
> index c12193d..adafa9b 100644
> --- a/net/Kconfig
> +++ b/net/Kconfig
> @@ -7,10 +7,6 @@ config NET_DHCP
>  	bool
>  	prompt "dhcp support"
>  
> -config NET_NFS
> -	bool
> -	prompt "nfs support"
> -
>  config NET_PING
>  	bool
>  	prompt "ping support"
> diff --git a/net/Makefile b/net/Makefile
> index 416e30a..98e0f09 100644
> --- a/net/Makefile
> +++ b/net/Makefile
> @@ -1,7 +1,6 @@
>  obj-$(CONFIG_NET_DHCP)	+= dhcp.o
>  obj-$(CONFIG_NET)	+= eth.o
>  obj-$(CONFIG_NET)	+= net.o
> -obj-$(CONFIG_NET_NFS)	+= nfs.o
>  obj-$(CONFIG_NET_PING)	+= ping.o
>  obj-$(CONFIG_NET_RESOLV)+= dns.o
>  obj-$(CONFIG_NET_NETCONSOLE) += netconsole.o
> diff --git a/net/nfs.c b/net/nfs.c
> deleted file mode 100644
> index 9cb7dc9..0000000
> --- a/net/nfs.c
> +++ /dev/null
> @@ -1,737 +0,0 @@
> -/*
> - * NFS support driver - based on etherboot and barebox'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 <clock.h>
> -#include <net.h>
> -#include <malloc.h>
> -#include <libgen.h>
> -#include <fs.h>
> -#include <libgen.h>
> -#include <fcntl.h>
> -#include <errno.h>
> -#include <progress.h>
> -#include <linux/err.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
> -
> -enum nfs_stat {
> -	NFS_OK		= 0,
> -	NFSERR_PERM	= 1,
> -	NFSERR_NOENT	= 2,
> -	NFSERR_IO	= 5,
> -	NFSERR_NXIO	= 6,
> -	NFSERR_ACCES	= 13,
> -	NFSERR_EXIST	= 17,
> -	NFSERR_NODEV	= 19,
> -	NFSERR_NOTDIR	= 20,
> -	NFSERR_ISDIR	= 21,
> -	NFSERR_FBIG	= 27,
> -	NFSERR_NOSPC	= 28,
> -	NFSERR_ROFS	= 30,
> -	NFSERR_NAMETOOLONG=63,
> -	NFSERR_NOTEMPTY	= 66,
> -	NFSERR_DQUOT	= 69,
> -	NFSERR_STALE	= 70,
> -	NFSERR_WFLUSH	= 99,
> -};
> -
> -/* 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
> -
> -struct rpc_call {
> -	uint32_t id;
> -	uint32_t type;
> -	uint32_t rpcvers;
> -	uint32_t prog;
> -	uint32_t vers;
> -	uint32_t proc;
> -	uint32_t data[0];
> -};
> -
> -struct rpc_reply {
> -	uint32_t id;
> -	uint32_t type;
> -	uint32_t rstatus;
> -	uint32_t verifier;
> -	uint32_t v2;
> -	uint32_t astatus;
> -	uint32_t data[0];
> -};
> -
> -struct rpc_t {
> -	union {
> -		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[19];
> -		} reply;
> -	} u;
> -};
> -
> -#define NFS_TIMEOUT 15
> -
> -static unsigned long rpc_id = 0;
> -static int nfs_offset = -1;
> -static uint64_t nfs_timer_start;
> -static int nfs_err;
> -
> -static char dirfh[NFS_FHSIZE];	/* file handle of directory */
> -static char filefh[NFS_FHSIZE]; /* file handle of kernel image */
> -
> -static int	nfs_server_mount_port;
> -static int	nfs_server_nfs_port;
> -static int	nfs_state;
> -#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
> -#define STATE_DONE			8
> -
> -static char *nfs_filename;
> -static char *nfs_path;
> -static char nfs_path_buff[2048];
> -
> -static int net_store_fd;
> -static struct net_connection *nfs_con;
> -
> -/**************************************************************************
> -RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries
> -**************************************************************************/
> -static uint32_t *rpc_add_credentials(uint32_t *p)
> -{
> -	int hl;
> -	int hostnamelen = 0;
> -
> -	/* 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); */ /* empty hostname */
> -
> -	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 int rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen)
> -{
> -	struct rpc_call pkt;
> -	unsigned long id;
> -	int sport;
> -	int ret;
> -	unsigned char *payload = net_udp_get_payload(nfs_con);
> -
> -	id = ++rpc_id;
> -	pkt.id = htonl(id);
> -	pkt.type = htonl(MSG_CALL);
> -	pkt.rpcvers = htonl(2);	/* use RPC version 2 */
> -	pkt.prog = htonl(rpc_prog);
> -	pkt.vers = htonl(2);	/* portmapper is version 2 */
> -	pkt.proc = htonl(rpc_proc);
> -
> -	memcpy(payload, &pkt, sizeof(pkt));
> -	memcpy(payload + sizeof(pkt), data, datalen * sizeof(uint32_t));
> -
> -	if (rpc_prog == PROG_PORTMAP)
> -		sport = SUNRPC_PORT;
> -	else if (rpc_prog == PROG_MOUNT)
> -		sport = nfs_server_mount_port;
> -	else
> -		sport = nfs_server_nfs_port;
> -
> -	nfs_con->udp->uh_dport = htons(sport);
> -	ret = net_udp_send(nfs_con, sizeof(pkt) + datalen * sizeof(uint32_t));
> -
> -	return ret;
> -}
> -
> -/**************************************************************************
> -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 = rpc_add_credentials(p);
> -
> -	*p++ = htonl(pathlen);
> -	if (pathlen & 3)
> -		*(p + pathlen / 4) = 0;
> -	memcpy (p, path, pathlen);
> -	p += (pathlen + 3) / 4;
> -
> -	len = p - &(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 (nfs_server_mount_port < 0)
> -		/* Nothing mounted, nothing to umount */
> -		return;
> -
> -	p = &(data[0]);
> -	p = rpc_add_credentials(p);
> -
> -	len = p - &(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 = rpc_add_credentials(p);
> -
> -	memcpy (p, filefh, NFS_FHSIZE);
> -	p += (NFS_FHSIZE / 4);
> -
> -	len = p - &(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 = rpc_add_credentials(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 = p - &(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 = rpc_add_credentials(p);
> -
> -	memcpy (p, filefh, NFS_FHSIZE);
> -	p += (NFS_FHSIZE / 4);
> -	*p++ = htonl(offset);
> -	*p++ = htonl(readlen);
> -	*p++ = 0;
> -
> -	len = p - &(data[0]);
> -
> -	rpc_req(PROG_NFS, NFS_READ, data, len);
> -}
> -
> -/**************************************************************************
> -RPC request dispatcher
> -**************************************************************************/
> -static void nfs_send(void)
> -{
> -	debug("%s\n", __func__);
> -
> -	switch (nfs_state) {
> -	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_READ_SIZE);
> -		break;
> -	case STATE_READLINK_REQ:
> -		nfs_readlink_req();
> -		break;
> -	}
> -
> -	nfs_timer_start = get_time_ns();
> -}
> -
> -static int rpc_check_reply(unsigned char *pkt, int isnfs)
> -{
> -	uint32_t *data;
> -	int nfserr;
> -	struct rpc_reply rpc;
> -
> -	memcpy(&rpc, pkt, sizeof(rpc));
> -
> -	if (ntohl(rpc.id) != rpc_id)
> -		return -EINVAL;
> -
> -	if (rpc.rstatus  ||
> -	    rpc.verifier ||
> -	    rpc.astatus ) {
> -		return -EINVAL;
> -	}
> -
> -	if (!isnfs)
> -		return 0;
> -
> -	data = (uint32_t *)(pkt + sizeof(struct rpc_reply));
> -	nfserr = ntohl(net_read_uint32(data));
> -
> -	debug("%s: state: %d, err %d\n", __func__, nfs_state, -nfserr);
> -
> -	if (nfserr <= 30)
> -		/* These nfs codes correspond with those in errno.h */
> -		return -nfserr;
> -	if (nfserr == NFSERR_STALE)
> -		return -ESTALE;
> -
> -	return -EINVAL;
> -}
> -
> -static int rpc_lookup_reply(int prog, unsigned char *pkt, unsigned len)
> -{
> -	uint32_t port;
> -	int ret;
> -
> -	ret = rpc_check_reply(pkt, 0);
> -	if (ret)
> -		return ret;
> -
> -	port = net_read_uint32((uint32_t *)(pkt + sizeof(struct rpc_reply)));
> -	switch (prog) {
> -	case PROG_MOUNT:
> -		nfs_server_mount_port = ntohl(port);
> -		break;
> -	case PROG_NFS:
> -		nfs_server_nfs_port = ntohl(port);
> -		break;
> -	}
> -
> -	return 0;
> -}
> -
> -static int nfs_mount_reply(unsigned char *pkt, unsigned len)
> -{
> -	int ret;
> -
> -	ret = rpc_check_reply(pkt, 1);
> -	if (ret)
> -		return ret;
> -
> -	memcpy(dirfh, pkt + sizeof(struct rpc_reply) + 4, NFS_FHSIZE);
> -
> -	return 0;
> -}
> -
> -static int nfs_umountall_reply(unsigned char *pkt, unsigned len)
> -{
> -	int ret;
> -
> -	ret = rpc_check_reply(pkt, 0);
> -	if (ret)
> -		return ret;
> -
> -	memset(dirfh, 0, sizeof(dirfh));
> -
> -	return 0;
> -}
> -
> -static int nfs_lookup_reply(unsigned char *pkt, unsigned len)
> -{
> -	int ret;
> -
> -	ret = rpc_check_reply(pkt, 1);
> -	if (ret)
> -		return ret;
> -
> -	memcpy(filefh, pkt + sizeof(struct rpc_reply) + 4, NFS_FHSIZE);
> -
> -	return 0;
> -}
> -
> -static int nfs_readlink_reply(unsigned char *pkt, unsigned len)
> -{
> -	uint32_t *data;
> -	char *path;
> -	int rlen;
> -	int ret;
> -
> -	ret = rpc_check_reply(pkt, 1);
> -	if (ret)
> -		return ret;
> -
> -	data = (uint32_t *)(pkt + sizeof(struct rpc_reply));
> -
> -	data++;
> -
> -	rlen = ntohl(net_read_uint32(data)); /* new path length */
> -
> -	data++;
> -	path = (char *)data;
> -
> -	if (*path != '/') {
> -		strcat(nfs_path, "/");
> -		strncat(nfs_path, path, rlen);
> -	} else {
> -		memcpy(nfs_path, path, rlen);
> -		nfs_path[rlen] = 0;
> -	}
> -	return 0;
> -}
> -
> -static int nfs_read_reply(unsigned char *pkt, unsigned len)
> -{
> -	int rlen;
> -	uint32_t *data;
> -	int ret;
> -
> -	debug("%s\n", __func__);
> -
> -	ret = rpc_check_reply(pkt, 1);
> -	if (ret)
> -		return ret;
> -
> -	data = (uint32_t *)(pkt + sizeof(struct rpc_reply));
> -
> -	if (!nfs_offset) {
> -		uint32_t filesize = ntohl(net_read_uint32(data + 6));
> -		init_progression_bar(filesize);
> -	}
> -
> -	rlen = ntohl(net_read_uint32(data + 18));
> -
> -	ret = write(net_store_fd, (char *)(data + 19), rlen);
> -	if (ret < 0) {
> -		perror("write");
> -		return ret;
> -	}
> -
> -	return rlen;
> -}
> -
> -/**************************************************************************
> -Interfaces of barebox
> -**************************************************************************/
> -
> -static void nfs_handler(void *ctx, char *packet, unsigned len)
> -{
> -	char *pkt = net_eth_to_udp_payload(packet);
> -	int ret;
> -
> -	debug("%s\n", __func__);
> -
> -	switch (nfs_state) {
> -	case STATE_PRCLOOKUP_PROG_MOUNT_REQ:
> -		ret = rpc_lookup_reply(PROG_MOUNT, pkt, len);
> -		if (ret)
> -			goto err_out;
> -		nfs_state = STATE_PRCLOOKUP_PROG_NFS_REQ;
> -		break;
> -
> -	case STATE_PRCLOOKUP_PROG_NFS_REQ:
> -		ret = rpc_lookup_reply(PROG_NFS, pkt, len);
> -		if (ret)
> -			goto err_out;
> -		nfs_state = STATE_MOUNT_REQ;
> -		break;
> -
> -	case STATE_MOUNT_REQ:
> -		ret = nfs_mount_reply(pkt, len);
> -		if (ret)
> -			goto err_out;
> -
> -		nfs_state = STATE_LOOKUP_REQ;
> -		break;
> -
> -	case STATE_UMOUNT_REQ:
> -		ret = nfs_umountall_reply(pkt, len);
> -		if (ret)
> -			nfs_err = ret;
> -		nfs_state = STATE_DONE;
> -		return;
> -
> -	case STATE_LOOKUP_REQ:
> -		ret = nfs_lookup_reply(pkt, len);
> -		if (ret)
> -			goto err_umount;
> -
> -		nfs_state = STATE_READ_REQ;
> -		nfs_offset = 0;
> -		break;
> -
> -	case STATE_READLINK_REQ:
> -		ret = nfs_readlink_reply(pkt, len);
> -		if (ret)
> -			goto err_umount;
> -
> -		debug("Symlink --> %s\n", nfs_path);
> -
> -		nfs_filename = basename(nfs_path);
> -		nfs_path     = dirname(nfs_path);
> -
> -		nfs_state = STATE_MOUNT_REQ;
> -		break;
> -
> -	case STATE_READ_REQ:
> -		ret = nfs_read_reply(pkt, len);
> -		nfs_timer_start = get_time_ns();
> -		if (ret > 0)
> -			nfs_offset += ret;
> -		else if (ret == -EISDIR || ret == -EINVAL)
> -			/* symbolic link */
> -			nfs_state = STATE_READLINK_REQ;
> -		else
> -			goto err_umount;
> -		show_progress(nfs_offset);
> -		break;
> -	}
> -
> -	nfs_send();
> -
> -	return;
> -
> -err_umount:
> -	nfs_state = STATE_UMOUNT_REQ;
> -	nfs_err = ret;
> -	nfs_send();
> -	return;
> -
> -err_out:
> -	nfs_state = STATE_DONE;
> -	nfs_err = ret;
> -}
> -
> -static void nfs_start(char *p)
> -{
> -	debug("%s\n", __func__);
> -
> -	nfs_path = (char *)nfs_path_buff;
> -
> -	strcpy(nfs_path, p);
> -
> -	nfs_filename = basename (nfs_path);
> -	nfs_path     = dirname (nfs_path);
> -
> -	printf("\nFilename '%s/%s'.\n", nfs_path, nfs_filename);
> -
> -	nfs_state = STATE_PRCLOOKUP_PROG_MOUNT_REQ;
> -
> -	nfs_send();
> -}
> -
> -static int do_nfs(int argc, char *argv[])
> -{
> -	char  *localfile;
> -	char  *remotefile;
> -
> -	if (argc < 2)
> -		return COMMAND_ERROR_USAGE;
> -
> -	remotefile = argv[1];
> -
> -	if (argc == 2)
> -		localfile = basename(remotefile);
> -	else
> -		localfile = argv[2];
> -
> -	net_store_fd = open(localfile, O_WRONLY | O_CREAT);
> -	if (net_store_fd < 0) {
> -		perror("open");
> -		return 1;
> -	}
> -
> -	nfs_con = net_udp_new(net_get_serverip(), 0, nfs_handler, NULL);
> -	if (IS_ERR(nfs_con)) {
> -		nfs_err = PTR_ERR(nfs_con);
> -		goto err_udp;
> -	}
> -	net_udp_bind(nfs_con, 1000);
> -
> -	nfs_err = 0;
> -
> -	nfs_start(remotefile);
> -
> -	while (nfs_state != STATE_DONE) {
> -		if (ctrlc()) {
> -			nfs_err = -EINTR;
> -			break;
> -		}
> -		net_poll();
> -		if (is_timeout(nfs_timer_start, NFS_TIMEOUT * SECOND)) {
> -			show_progress(-1);
> -			nfs_send();
> -		}
> -	}
> -
> -	net_unregister(nfs_con);
> -err_udp:
> -	close(net_store_fd);
> -	if (nfs_err) {
> -		printf("NFS failed: %s\n", strerror(-nfs_err));
> -		unlink(localfile);
> -	}
> -
> -	printf("\n");
> -
> -	return nfs_err == 0 ? 0 : 1;
> -}
> -
> -static const __maybe_unused char cmd_nfs_help[] =
> -"Usage: nfs <file> [localfile]\n"
> -"Load a file via network using nfs protocol.\n";
> -
> -BAREBOX_CMD_START(nfs)
> -	.cmd		= do_nfs,
> -	.usage		= "boot image via network using nfs protocol",
> -	BAREBOX_CMD_HELP(cmd_nfs_help)
> -BAREBOX_CMD_END
> -
> -- 
> 1.8.5.3
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox

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