| dev_net.c (256281) | dev_net.c (283510) |
|---|---|
| 1/* $NetBSD: dev_net.c,v 1.23 2008/04/28 20:24:06 martin Exp $ */ 2 3/*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross. --- 16 unchanged lines hidden (view full) --- 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> | 1/* $NetBSD: dev_net.c,v 1.23 2008/04/28 20:24:06 martin Exp $ */ 2 3/*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross. --- 16 unchanged lines hidden (view full) --- 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: stable/10/sys/boot/common/dev_net.c 201932 2010-01-09 21:23:39Z marius $"); | 33__FBSDID("$FreeBSD: stable/10/sys/boot/common/dev_net.c 283510 2015-05-25 01:29:45Z ian $"); |
| 34 35/*- 36 * This module implements a "raw device" interface suitable for 37 * use by the stand-alone I/O library NFS code. This interface 38 * does not support any "block" access, and exists only for the 39 * purpose of initializing the network interface, getting boot 40 * parameters, and performing the NFS mount. 41 * --- 64 unchanged lines hidden (view full) --- 106/* 107 * Called by devopen after it sets f->f_dev to our devsw entry. 108 * This opens the low-level device and sets f->f_devdata. 109 * This is declared with variable arguments... 110 */ 111static int 112net_open(struct open_file *f, ...) 113{ | 34 35/*- 36 * This module implements a "raw device" interface suitable for 37 * use by the stand-alone I/O library NFS code. This interface 38 * does not support any "block" access, and exists only for the 39 * purpose of initializing the network interface, getting boot 40 * parameters, and performing the NFS mount. 41 * --- 64 unchanged lines hidden (view full) --- 106/* 107 * Called by devopen after it sets f->f_dev to our devsw entry. 108 * This opens the low-level device and sets f->f_devdata. 109 * This is declared with variable arguments... 110 */ 111static int 112net_open(struct open_file *f, ...) 113{ |
| 114 char temp[FNAME_SIZE]; 115 struct iodesc *d; |
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| 114 va_list args; 115 char *devname; /* Device part of file name (or NULL). */ 116 int error = 0; 117 118 va_start(args, f); 119 devname = va_arg(args, char*); 120 va_end(args); 121 --- 13 unchanged lines hidden (view full) --- 135 return (ENXIO); 136 } 137 netdev_name = strdup(devname); 138#ifdef NETIF_DEBUG 139 if (debug) 140 printf("net_open: netif_open() succeeded\n"); 141#endif 142 } | 116 va_list args; 117 char *devname; /* Device part of file name (or NULL). */ 118 int error = 0; 119 120 va_start(args, f); 121 devname = va_arg(args, char*); 122 va_end(args); 123 --- 13 unchanged lines hidden (view full) --- 137 return (ENXIO); 138 } 139 netdev_name = strdup(devname); 140#ifdef NETIF_DEBUG 141 if (debug) 142 printf("net_open: netif_open() succeeded\n"); 143#endif 144 } |
| 145 /* 146 * If network params were not set by netif_open(), try to get 147 * them via bootp, rarp, etc. 148 */ |
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| 143 if (rootip.s_addr == 0) { 144 /* Get root IP address, and path, etc. */ 145 error = net_getparams(netdev_sock); 146 if (error) { 147 /* getparams makes its own noise */ 148 free(netdev_name); 149 netif_close(netdev_sock); 150 netdev_sock = -1; 151 return (error); 152 } 153 } | 149 if (rootip.s_addr == 0) { 150 /* Get root IP address, and path, etc. */ 151 error = net_getparams(netdev_sock); 152 if (error) { 153 /* getparams makes its own noise */ 154 free(netdev_name); 155 netif_close(netdev_sock); 156 netdev_sock = -1; 157 return (error); 158 } 159 } |
| 160 /* 161 * Set the variables required by the kernel's nfs_diskless 162 * mechanism. This is the minimum set of variables required to 163 * mount a root filesystem without needing to obtain additional 164 * info from bootp or other sources. 165 */ 166 d = socktodesc(netdev_sock); 167 sprintf(temp, "%6D", d->myea, ":"); 168 setenv("boot.netif.hwaddr", temp, 1); 169 setenv("boot.netif.ip", inet_ntoa(myip), 1); 170 setenv("boot.netif.netmask", intoa(netmask), 1); 171 setenv("boot.netif.gateway", inet_ntoa(gateip), 1); 172 setenv("boot.nfsroot.server", inet_ntoa(rootip), 1); 173 setenv("boot.nfsroot.path", rootpath, 1); |
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| 154 } 155 netdev_opens++; 156 f->f_devdata = &netdev_sock; 157 return (error); 158} 159 160static int 161net_close(struct open_file *f) --- 65 unchanged lines hidden (view full) --- 227#endif 228 229extern n_long ip_convertaddr(char *p); 230 231static int 232net_getparams(int sock) 233{ 234 char buf[MAXHOSTNAMELEN]; | 174 } 175 netdev_opens++; 176 f->f_devdata = &netdev_sock; 177 return (error); 178} 179 180static int 181net_close(struct open_file *f) --- 65 unchanged lines hidden (view full) --- 247#endif 248 249extern n_long ip_convertaddr(char *p); 250 251static int 252net_getparams(int sock) 253{ 254 char buf[MAXHOSTNAMELEN]; |
| 235 char temp[FNAME_SIZE]; 236 struct iodesc *d; 237 int i; 238 n_long smask; | 255 n_long rootaddr, smask; |
| 239 240#ifdef SUPPORT_BOOTP 241 /* 242 * Try to get boot info using BOOTP. If we succeed, then 243 * the server IP address, gateway, and root path will all 244 * be initialized. If any remain uninitialized, we will 245 * use RARP and RPC/bootparam (the Sun way) to get them. 246 */ --- 50 unchanged lines hidden (view full) --- 297#endif 298 299 /* Get the root server and pathname. */ 300 if (bp_getfile(sock, "root", &rootip, rootpath)) { 301 printf("net_open: bootparam/getfile RPC failed\n"); 302 return (EIO); 303 } 304exit: | 256 257#ifdef SUPPORT_BOOTP 258 /* 259 * Try to get boot info using BOOTP. If we succeed, then 260 * the server IP address, gateway, and root path will all 261 * be initialized. If any remain uninitialized, we will 262 * use RARP and RPC/bootparam (the Sun way) to get them. 263 */ --- 50 unchanged lines hidden (view full) --- 314#endif 315 316 /* Get the root server and pathname. */ 317 if (bp_getfile(sock, "root", &rootip, rootpath)) { 318 printf("net_open: bootparam/getfile RPC failed\n"); 319 return (EIO); 320 } 321exit: |
| 305 /* 306 * If present, strip the server's address off of the rootpath 307 * before passing it along. This allows us to be compatible with 308 * the kernel's diskless (BOOTP_NFSROOT) booting conventions 309 */ 310 for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++) 311 if (rootpath[i] == ':') 312 break; 313 if (i && i != FNAME_SIZE && rootpath[i] == ':') { 314 rootpath[i++] = '\0'; 315 if (inet_addr(&rootpath[0]) != INADDR_NONE) 316 rootip.s_addr = inet_addr(&rootpath[0]); 317 bcopy(&rootpath[i], &temp[0], strlen(&rootpath[i])+1); 318 bcopy(&temp[0], &rootpath[0], strlen(&rootpath[i])+1); 319 } | 322 if ((rootaddr = net_parse_rootpath()) != INADDR_NONE) 323 rootip.s_addr = rootaddr; 324 |
| 320#ifdef NETIF_DEBUG 321 if (debug) { 322 printf("net_open: server addr: %s\n", inet_ntoa(rootip)); 323 printf("net_open: server path: %s\n", rootpath); 324 } 325#endif 326 | 325#ifdef NETIF_DEBUG 326 if (debug) { 327 printf("net_open: server addr: %s\n", inet_ntoa(rootip)); 328 printf("net_open: server path: %s\n", rootpath); 329 } 330#endif 331 |
| 327 d = socktodesc(sock); 328 sprintf(temp, "%6D", d->myea, ":"); 329 setenv("boot.netif.ip", inet_ntoa(myip), 1); 330 setenv("boot.netif.netmask", intoa(netmask), 1); 331 setenv("boot.netif.gateway", inet_ntoa(gateip), 1); 332 setenv("boot.netif.hwaddr", temp, 1); 333 setenv("boot.nfsroot.server", inet_ntoa(rootip), 1); 334 setenv("boot.nfsroot.path", rootpath, 1); 335 | |
| 336 return (0); 337} 338 339static void 340net_print(int verbose) 341{ 342 struct netif_driver *drv; 343 int i, d, cnt; --- 5 unchanged lines hidden (view full) --- 349 printf("\t%s%d:", "net", cnt++); 350 if (verbose) 351 printf(" (%s%d)", drv->netif_bname, 352 drv->netif_ifs[i].dif_unit); 353 } 354 } 355 printf("\n"); 356} | 332 return (0); 333} 334 335static void 336net_print(int verbose) 337{ 338 struct netif_driver *drv; 339 int i, d, cnt; --- 5 unchanged lines hidden (view full) --- 345 printf("\t%s%d:", "net", cnt++); 346 if (verbose) 347 printf(" (%s%d)", drv->netif_bname, 348 drv->netif_ifs[i].dif_unit); 349 } 350 } 351 printf("\n"); 352} |
| 353 354/* 355 * Strip the server's address off of the rootpath if present and return it in 356 * network byte order, leaving just the pathname part in the global rootpath. 357 */ 358uint32_t 359net_parse_rootpath() 360{ 361 int i; 362 n_long addr = INADDR_NONE; 363 364 for (i = 0; rootpath[i] != '\0' && i < FNAME_SIZE; i++) 365 if (rootpath[i] == ':') 366 break; 367 if (i && i != FNAME_SIZE && rootpath[i] == ':') { 368 rootpath[i++] = '\0'; 369 addr = inet_addr(&rootpath[0]); 370 bcopy(&rootpath[i], rootpath, strlen(&rootpath[i])+1); 371 } 372 return (addr); 373} |
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