| kern_mbuf.c (159481) | kern_mbuf.c (162377) |
|---|---|
| 1/*- 2 * Copyright (c) 2004, 2005, 3 * Bosko Milekic <bmilekic@FreeBSD.org>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2004, 2005, 3 * Bosko Milekic <bmilekic@FreeBSD.org>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: head/sys/kern/kern_mbuf.c 159481 2006-06-10 14:34:07Z rwatson $"); | 29__FBSDID("$FreeBSD: head/sys/kern/kern_mbuf.c 162377 2006-09-17 13:44:32Z andre $"); |
| 30 31#include "opt_mac.h" 32#include "opt_param.h" 33 34#include <sys/param.h> 35#include <sys/mac.h> 36#include <sys/malloc.h> 37#include <sys/systm.h> --- 107 unchanged lines hidden (view full) --- 145 */ 146uma_zone_t zone_mbuf; 147uma_zone_t zone_clust; 148uma_zone_t zone_pack; 149uma_zone_t zone_jumbop; 150uma_zone_t zone_jumbo9; 151uma_zone_t zone_jumbo16; 152uma_zone_t zone_ext_refcnt; | 30 31#include "opt_mac.h" 32#include "opt_param.h" 33 34#include <sys/param.h> 35#include <sys/mac.h> 36#include <sys/malloc.h> 37#include <sys/systm.h> --- 107 unchanged lines hidden (view full) --- 145 */ 146uma_zone_t zone_mbuf; 147uma_zone_t zone_clust; 148uma_zone_t zone_pack; 149uma_zone_t zone_jumbop; 150uma_zone_t zone_jumbo9; 151uma_zone_t zone_jumbo16; 152uma_zone_t zone_ext_refcnt; |
| 153uma_zone_t zone_mtag_vlan; | |
| 154 155/* 156 * Local prototypes. 157 */ 158static int mb_ctor_mbuf(void *, int, void *, int); 159static int mb_ctor_clust(void *, int, void *, int); 160static int mb_ctor_pack(void *, int, void *, int); 161static void mb_dtor_mbuf(void *, int, void *); 162static void mb_dtor_clust(void *, int, void *); 163static void mb_dtor_pack(void *, int, void *); 164static int mb_zinit_pack(void *, int, int); 165static void mb_zfini_pack(void *, int); | 153 154/* 155 * Local prototypes. 156 */ 157static int mb_ctor_mbuf(void *, int, void *, int); 158static int mb_ctor_clust(void *, int, void *, int); 159static int mb_ctor_pack(void *, int, void *, int); 160static void mb_dtor_mbuf(void *, int, void *); 161static void mb_dtor_clust(void *, int, void *); 162static void mb_dtor_pack(void *, int, void *); 163static int mb_zinit_pack(void *, int, int); 164static void mb_zfini_pack(void *, int); |
| 166static int mt_zinit_vlan(void *, int, int); | |
| 167 168static void mb_reclaim(void *); 169static void mbuf_init(void *); 170 171/* Ensure that MSIZE doesn't break dtom() - it must be a power of 2 */ 172CTASSERT((((MSIZE - 1) ^ MSIZE) + 1) >> 1 == MSIZE); 173 174/* --- 64 unchanged lines hidden (view full) --- 239 if (nmbjumbo16 > 0) 240 uma_zone_set_max(zone_jumbo16, nmbjumbo16); 241 242 zone_ext_refcnt = uma_zcreate(MBUF_EXTREFCNT_MEM_NAME, sizeof(u_int), 243 NULL, NULL, 244 NULL, NULL, 245 UMA_ALIGN_PTR, UMA_ZONE_ZINIT); 246 | 165 166static void mb_reclaim(void *); 167static void mbuf_init(void *); 168 169/* Ensure that MSIZE doesn't break dtom() - it must be a power of 2 */ 170CTASSERT((((MSIZE - 1) ^ MSIZE) + 1) >> 1 == MSIZE); 171 172/* --- 64 unchanged lines hidden (view full) --- 237 if (nmbjumbo16 > 0) 238 uma_zone_set_max(zone_jumbo16, nmbjumbo16); 239 240 zone_ext_refcnt = uma_zcreate(MBUF_EXTREFCNT_MEM_NAME, sizeof(u_int), 241 NULL, NULL, 242 NULL, NULL, 243 UMA_ALIGN_PTR, UMA_ZONE_ZINIT); 244 |
| 247 zone_mtag_vlan = uma_zcreate("mtag_vlan", 248 sizeof(struct m_tag) + sizeof(u_int), 249 NULL, NULL, 250 mt_zinit_vlan, NULL, 251 UMA_ALIGN_INT, 0); 252 | |
| 253 /* uma_prealloc() goes here... */ 254 255 /* 256 * Hook event handler for low-memory situation, used to 257 * drain protocols and push data back to the caches (UMA 258 * later pushes it back to VM). 259 */ 260 EVENTHANDLER_REGISTER(vm_lowmem, mb_reclaim, NULL, --- 59 unchanged lines hidden (view full) --- 320 m->m_type = type; 321 if (flags & M_PKTHDR) { 322 m->m_data = m->m_pktdat; 323 m->m_pkthdr.rcvif = NULL; 324 m->m_pkthdr.len = 0; 325 m->m_pkthdr.header = NULL; 326 m->m_pkthdr.csum_flags = 0; 327 m->m_pkthdr.csum_data = 0; | 245 /* uma_prealloc() goes here... */ 246 247 /* 248 * Hook event handler for low-memory situation, used to 249 * drain protocols and push data back to the caches (UMA 250 * later pushes it back to VM). 251 */ 252 EVENTHANDLER_REGISTER(vm_lowmem, mb_reclaim, NULL, --- 59 unchanged lines hidden (view full) --- 312 m->m_type = type; 313 if (flags & M_PKTHDR) { 314 m->m_data = m->m_pktdat; 315 m->m_pkthdr.rcvif = NULL; 316 m->m_pkthdr.len = 0; 317 m->m_pkthdr.header = NULL; 318 m->m_pkthdr.csum_flags = 0; 319 m->m_pkthdr.csum_data = 0; |
| 320 m->m_pkthdr.tso_segsz = 0; 321 m->m_pkthdr.ether_vtag = 0; |
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| 328 SLIST_INIT(&m->m_pkthdr.tags); 329#ifdef MAC 330 /* If the label init fails, fail the alloc */ 331 error = mac_init_mbuf(m, how); 332 if (error) 333 return (error); 334#endif 335 } else --- 182 unchanged lines hidden (view full) --- 518 m->m_type = type; 519 520 if (flags & M_PKTHDR) { 521 m->m_pkthdr.rcvif = NULL; 522 m->m_pkthdr.len = 0; 523 m->m_pkthdr.header = NULL; 524 m->m_pkthdr.csum_flags = 0; 525 m->m_pkthdr.csum_data = 0; | 322 SLIST_INIT(&m->m_pkthdr.tags); 323#ifdef MAC 324 /* If the label init fails, fail the alloc */ 325 error = mac_init_mbuf(m, how); 326 if (error) 327 return (error); 328#endif 329 } else --- 182 unchanged lines hidden (view full) --- 512 m->m_type = type; 513 514 if (flags & M_PKTHDR) { 515 m->m_pkthdr.rcvif = NULL; 516 m->m_pkthdr.len = 0; 517 m->m_pkthdr.header = NULL; 518 m->m_pkthdr.csum_flags = 0; 519 m->m_pkthdr.csum_data = 0; |
| 520 m->m_pkthdr.tso_segsz = 0; 521 m->m_pkthdr.ether_vtag = 0; |
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| 526 SLIST_INIT(&m->m_pkthdr.tags); 527#ifdef MAC 528 /* If the label init fails, fail the alloc */ 529 error = mac_init_mbuf(m, how); 530 if (error) 531 return (error); 532#endif 533 } 534 /* m_ext is already initialized. */ 535 536 return (0); 537} 538 | 522 SLIST_INIT(&m->m_pkthdr.tags); 523#ifdef MAC 524 /* If the label init fails, fail the alloc */ 525 error = mac_init_mbuf(m, how); 526 if (error) 527 return (error); 528#endif 529 } 530 /* m_ext is already initialized. */ 531 532 return (0); 533} 534 |
| 539static void 540mt_vlan_free(struct m_tag *mtag) 541{ 542 uma_zfree(zone_mtag_vlan, mtag); 543} 544 545static int 546mt_zinit_vlan(void *mem, int size, int how) 547{ 548 struct m_tag *mtag = (struct m_tag *)mem; 549 550 m_tag_setup(mtag, MTAG_VLAN, MTAG_VLAN_TAG, sizeof(u_int)); 551 mtag->m_tag_free = mt_vlan_free; 552 553 return (0); 554} 555 | |
| 556/* 557 * This is the protocol drain routine. 558 * 559 * No locks should be held when this is called. The drain routines have to 560 * presently acquire some locks which raises the possibility of lock order 561 * reversal. 562 */ 563static void --- 13 unchanged lines hidden --- | 535/* 536 * This is the protocol drain routine. 537 * 538 * No locks should be held when this is called. The drain routines have to 539 * presently acquire some locks which raises the possibility of lock order 540 * reversal. 541 */ 542static void --- 13 unchanged lines hidden --- |