| in6_src.c (120856) | in6_src.c (120913) |
|---|---|
| 1/* $FreeBSD: head/sys/netinet6/in6_src.c 120856 2003-10-06 14:02:09Z ume $ */ | 1/* $FreeBSD: head/sys/netinet6/in6_src.c 120913 2003-10-08 18:26:08Z ume $ */ |
| 2/* $KAME: in6_src.c,v 1.37 2001/03/29 05:34:31 itojun Exp $ */ 3 4/* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions --- 259 unchanged lines hidden (view full) --- 269 * so doesn't check out IFF_LOOPBACK. 270 */ 271 272 if (ro->ro_rt) { 273 ia6 = in6_ifawithscope(ro->ro_rt->rt_ifa->ifa_ifp, dst); 274 if (ia6 == 0) /* xxx scope error ?*/ 275 ia6 = ifatoia6(ro->ro_rt->rt_ifa); 276 } | 2/* $KAME: in6_src.c,v 1.37 2001/03/29 05:34:31 itojun Exp $ */ 3 4/* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions --- 259 unchanged lines hidden (view full) --- 269 * so doesn't check out IFF_LOOPBACK. 270 */ 271 272 if (ro->ro_rt) { 273 ia6 = in6_ifawithscope(ro->ro_rt->rt_ifa->ifa_ifp, dst); 274 if (ia6 == 0) /* xxx scope error ?*/ 275 ia6 = ifatoia6(ro->ro_rt->rt_ifa); 276 } |
| 277#if 0 278 /* 279 * xxx The followings are necessary? (kazu) 280 * I don't think so. 281 * It's for SO_DONTROUTE option in IPv4.(jinmei) 282 */ | |
| 283 if (ia6 == 0) { | 277 if (ia6 == 0) { |
| 284 struct sockaddr_in6 sin6 = {sizeof(sin6), AF_INET6, 0}; 285 286 sin6->sin6_addr = *dst; 287 288 ia6 = ifatoia6(ifa_ifwithdstaddr(sin6tosa(&sin6))); 289 if (ia6 == 0) 290 ia6 = ifatoia6(ifa_ifwithnet(sin6tosa(&sin6))); 291 if (ia6 == 0) 292 return (0); 293 return (&satosin6(&ia6->ia_addr)->sin6_addr); 294 } 295#endif /* 0 */ 296 if (ia6 == 0) { | |
| 297 *errorp = EHOSTUNREACH; /* no route */ 298 return (0); 299 } 300 return (&satosin6(&ia6->ia_addr)->sin6_addr); 301 } 302 303 *errorp = EADDRNOTAVAIL; 304 return (0); --- 112 unchanged lines hidden (view full) --- 417 inp->inp_lport = 0; 418 return (EAGAIN); 419 } 420 421 return (0); 422} 423 424/* | 278 *errorp = EHOSTUNREACH; /* no route */ 279 return (0); 280 } 281 return (&satosin6(&ia6->ia_addr)->sin6_addr); 282 } 283 284 *errorp = EADDRNOTAVAIL; 285 return (0); --- 112 unchanged lines hidden (view full) --- 398 inp->inp_lport = 0; 399 return (EAGAIN); 400 } 401 402 return (0); 403} 404 405/* |
| 425 * generate kernel-internal form (scopeid embedded into s6_addr16[1]). | 406 * Generate kernel-internal form (scopeid embedded into s6_addr16[1]). |
| 426 * If the address scope of is link-local, embed the interface index in the 427 * address. The routine determines our precedence 428 * between advanced API scope/interface specification and basic API 429 * specification. 430 * | 407 * If the address scope of is link-local, embed the interface index in the 408 * address. The routine determines our precedence 409 * between advanced API scope/interface specification and basic API 410 * specification. 411 * |
| 431 * this function should be nuked in the future, when we get rid of 432 * embedded scopeid thing. | 412 * This function should be nuked in the future, when we get rid of embedded 413 * scopeid thing. |
| 433 * 434 * XXX actually, it is over-specification to return ifp against sin6_scope_id. 435 * there can be multiple interfaces that belong to a particular scope zone 436 * (in specification, we have 1:N mapping between a scope zone and interfaces). 437 * we may want to change the function to return something other than ifp. 438 */ 439int 440in6_embedscope(in6, sin6, in6p, ifpp) --- 43 unchanged lines hidden (view full) --- 484 in6p->in6p_moptions->im6o_multicast_ifp) { 485 ifp = in6p->in6p_moptions->im6o_multicast_ifp; 486 in6->s6_addr16[1] = htons(ifp->if_index); 487 } else if (scopeid) { 488 /* boundary check */ 489 if (scopeid < 0 || if_index < scopeid) 490 return ENXIO; /* XXX EINVAL? */ 491 ifp = ifnet_byindex(scopeid); | 414 * 415 * XXX actually, it is over-specification to return ifp against sin6_scope_id. 416 * there can be multiple interfaces that belong to a particular scope zone 417 * (in specification, we have 1:N mapping between a scope zone and interfaces). 418 * we may want to change the function to return something other than ifp. 419 */ 420int 421in6_embedscope(in6, sin6, in6p, ifpp) --- 43 unchanged lines hidden (view full) --- 465 in6p->in6p_moptions->im6o_multicast_ifp) { 466 ifp = in6p->in6p_moptions->im6o_multicast_ifp; 467 in6->s6_addr16[1] = htons(ifp->if_index); 468 } else if (scopeid) { 469 /* boundary check */ 470 if (scopeid < 0 || if_index < scopeid) 471 return ENXIO; /* XXX EINVAL? */ 472 ifp = ifnet_byindex(scopeid); |
| 492 /*XXX assignment to 16bit from 32bit variable */ | 473 /* XXX assignment to 16bit from 32bit variable */ |
| 493 in6->s6_addr16[1] = htons(scopeid & 0xffff); 494 } 495 496 if (ifpp) 497 *ifpp = ifp; 498 } 499 500 return 0; --- 41 unchanged lines hidden (view full) --- 542 sin6->sin6_scope_id = scopeid; 543 } 544 } 545 546 return 0; 547} 548 549/* | 474 in6->s6_addr16[1] = htons(scopeid & 0xffff); 475 } 476 477 if (ifpp) 478 *ifpp = ifp; 479 } 480 481 return 0; --- 41 unchanged lines hidden (view full) --- 523 sin6->sin6_scope_id = scopeid; 524 } 525 } 526 527 return 0; 528} 529 530/* |
| 550 * just clear the embedded scope identifer. | 531 * just clear the embedded scope identifier. |
| 551 * XXX: currently used for bsdi4 only as a supplement function. 552 */ 553void 554in6_clearscope(addr) 555 struct in6_addr *addr; 556{ 557 if (IN6_IS_SCOPE_LINKLOCAL(addr)) 558 addr->s6_addr16[1] = 0; 559} | 532 * XXX: currently used for bsdi4 only as a supplement function. 533 */ 534void 535in6_clearscope(addr) 536 struct in6_addr *addr; 537{ 538 if (IN6_IS_SCOPE_LINKLOCAL(addr)) 539 addr->s6_addr16[1] = 0; 540} |