| frag6.c (95023) | frag6.c (109623) |
|---|---|
| 1/* $FreeBSD: head/sys/netinet6/frag6.c 95023 2002-04-19 04:46:24Z suz $ */ | 1/* $FreeBSD: head/sys/netinet6/frag6.c 109623 2003-01-21 08:56:16Z alfred $ */ |
| 2/* $KAME: frag6.c,v 1.33 2002/01/07 11:34:48 kjc 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 --- 218 unchanged lines hidden (view full) --- 228 * If maxfrag is -1, accept all fragments without limitation. 229 */ 230 if (ip6_maxfragpackets < 0) 231 ; 232 else if (frag6_nfragpackets >= (u_int)ip6_maxfragpackets) 233 goto dropfrag; 234 frag6_nfragpackets++; 235 q6 = (struct ip6q *)malloc(sizeof(struct ip6q), M_FTABLE, | 2/* $KAME: frag6.c,v 1.33 2002/01/07 11:34:48 kjc 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 --- 218 unchanged lines hidden (view full) --- 228 * If maxfrag is -1, accept all fragments without limitation. 229 */ 230 if (ip6_maxfragpackets < 0) 231 ; 232 else if (frag6_nfragpackets >= (u_int)ip6_maxfragpackets) 233 goto dropfrag; 234 frag6_nfragpackets++; 235 q6 = (struct ip6q *)malloc(sizeof(struct ip6q), M_FTABLE, |
| 236 M_DONTWAIT); | 236 M_NOWAIT); |
| 237 if (q6 == NULL) 238 goto dropfrag; 239 bzero(q6, sizeof(*q6)); 240 241 frag6_insque(q6, &ip6q); 242 243 /* ip6q_nxt will be filled afterwards, from 1st fragment */ 244 q6->ip6q_down = q6->ip6q_up = (struct ip6asfrag *)q6; --- 75 unchanged lines hidden (view full) --- 320 ICMP6_PARAMPROB_HEADER, 321 erroff - sizeof(struct ip6_frag) + 322 offsetof(struct ip6_frag, ip6f_offlg)); 323 } 324 } 325 } 326 327 ip6af = (struct ip6asfrag *)malloc(sizeof(struct ip6asfrag), M_FTABLE, | 237 if (q6 == NULL) 238 goto dropfrag; 239 bzero(q6, sizeof(*q6)); 240 241 frag6_insque(q6, &ip6q); 242 243 /* ip6q_nxt will be filled afterwards, from 1st fragment */ 244 q6->ip6q_down = q6->ip6q_up = (struct ip6asfrag *)q6; --- 75 unchanged lines hidden (view full) --- 320 ICMP6_PARAMPROB_HEADER, 321 erroff - sizeof(struct ip6_frag) + 322 offsetof(struct ip6_frag, ip6f_offlg)); 323 } 324 } 325 } 326 327 ip6af = (struct ip6asfrag *)malloc(sizeof(struct ip6asfrag), M_FTABLE, |
| 328 M_DONTWAIT); | 328 M_NOWAIT); |
| 329 if (ip6af == NULL) 330 goto dropfrag; 331 bzero(ip6af, sizeof(*ip6af)); 332 ip6af->ip6af_head = ip6->ip6_flow; 333 ip6af->ip6af_len = ip6->ip6_plen; 334 ip6af->ip6af_nxt = ip6->ip6_nxt; 335 ip6af->ip6af_hlim = ip6->ip6_hlim; 336 ip6af->ip6af_mff = ip6f->ip6f_offlg & IP6F_MORE_FRAG; --- 147 unchanged lines hidden (view full) --- 484 */ 485 if (offset < m->m_len) { 486 ovbcopy((caddr_t)ip6, (caddr_t)ip6 + sizeof(struct ip6_frag), 487 offset); 488 m->m_data += sizeof(struct ip6_frag); 489 m->m_len -= sizeof(struct ip6_frag); 490 } else { 491 /* this comes with no copy if the boundary is on cluster */ | 329 if (ip6af == NULL) 330 goto dropfrag; 331 bzero(ip6af, sizeof(*ip6af)); 332 ip6af->ip6af_head = ip6->ip6_flow; 333 ip6af->ip6af_len = ip6->ip6_plen; 334 ip6af->ip6af_nxt = ip6->ip6_nxt; 335 ip6af->ip6af_hlim = ip6->ip6_hlim; 336 ip6af->ip6af_mff = ip6f->ip6f_offlg & IP6F_MORE_FRAG; --- 147 unchanged lines hidden (view full) --- 484 */ 485 if (offset < m->m_len) { 486 ovbcopy((caddr_t)ip6, (caddr_t)ip6 + sizeof(struct ip6_frag), 487 offset); 488 m->m_data += sizeof(struct ip6_frag); 489 m->m_len -= sizeof(struct ip6_frag); 490 } else { 491 /* this comes with no copy if the boundary is on cluster */ |
| 492 if ((t = m_split(m, offset, M_DONTWAIT)) == NULL) { | 492 if ((t = m_split(m, offset, M_NOWAIT)) == NULL) { |
| 493 frag6_remque(q6); 494 free(q6, M_FTABLE); 495 frag6_nfragpackets--; 496 goto dropfrag; 497 } 498 m_adj(t, sizeof(struct ip6_frag)); 499 m_cat(m, t); 500 } --- 195 unchanged lines hidden --- | 493 frag6_remque(q6); 494 free(q6, M_FTABLE); 495 frag6_nfragpackets--; 496 goto dropfrag; 497 } 498 m_adj(t, sizeof(struct ip6_frag)); 499 m_cat(m, t); 500 } --- 195 unchanged lines hidden --- |