[PATCH 3/5] net: remove old nfs support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Mon Mar 3 23:03:45 EST 2014
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 at 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 at 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
>
>
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