| in_pcb.h (222217) | in_pcb.h (222488) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2010-2011 Juniper Networks, Inc. 5 * All rights reserved. 6 * 7 * Portions of this software were developed by Robert N. M. Watson under 8 * contract to Juniper Networks, Inc. --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2010-2011 Juniper Networks, Inc. 5 * All rights reserved. 6 * 7 * Portions of this software were developed by Robert N. M. Watson under 8 * contract to Juniper Networks, Inc. --- 18 unchanged lines hidden (view full) --- 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93 |
| 35 * $FreeBSD: head/sys/netinet/in_pcb.h 222217 2011-05-23 19:32:02Z rwatson $ | 35 * $FreeBSD: head/sys/netinet/in_pcb.h 222488 2011-05-30 09:43:55Z rwatson $ |
| 36 */ 37 38#ifndef _NETINET_IN_PCB_H_ 39#define _NETINET_IN_PCB_H_ 40 41#include <sys/queue.h> 42#include <sys/_lock.h> 43#include <sys/_mutex.h> --- 219 unchanged lines hidden (view full) --- 263 struct inpcbhead phd_pcblist; 264 u_short phd_port; 265}; 266 267/*- 268 * Global data structure for each high-level protocol (UDP, TCP, ...) in both 269 * IPv4 and IPv6. Holds inpcb lists and information for managing them. 270 * | 36 */ 37 38#ifndef _NETINET_IN_PCB_H_ 39#define _NETINET_IN_PCB_H_ 40 41#include <sys/queue.h> 42#include <sys/_lock.h> 43#include <sys/_mutex.h> --- 219 unchanged lines hidden (view full) --- 263 struct inpcbhead phd_pcblist; 264 u_short phd_port; 265}; 266 267/*- 268 * Global data structure for each high-level protocol (UDP, TCP, ...) in both 269 * IPv4 and IPv6. Holds inpcb lists and information for managing them. 270 * |
| 271 * Each pcbinfo is protected by ipi_lock, covering mutable global fields (such 272 * as the global pcb list) and hashed lookup tables. The lock order is: | 271 * Each pcbinfo is protected by two locks: ipi_lock and ipi_hash_lock, 272 * the former covering mutable global fields (such as the global pcb list), 273 * and the latter covering the hashed lookup tables. The lock order is: |
| 273 * | 274 * |
| 274 * ipi_lock (before) inpcb locks | 275 * ipi_lock (before) inpcb locks (before) ipi_hash_lock |
| 275 * 276 * Locking key: 277 * 278 * (c) Constant or nearly constant after initialisation 279 * (g) Locked by ipi_lock | 276 * 277 * Locking key: 278 * 279 * (c) Constant or nearly constant after initialisation 280 * (g) Locked by ipi_lock |
| 280 * (h) Read using either ipi_lock or inpcb lock; write requires both. | 281 * (h) Read using either ipi_hash_lock or inpcb lock; write requires both. |
| 281 * (x) Synchronisation properties poorly defined 282 */ 283struct inpcbinfo { 284 /* | 282 * (x) Synchronisation properties poorly defined 283 */ 284struct inpcbinfo { 285 /* |
| 285 * Global lock protecting global inpcb list, inpcb count, hash tables, 286 * etc. | 286 * Global lock protecting global inpcb list, inpcb count, etc. |
| 287 */ 288 struct rwlock ipi_lock; 289 290 /* 291 * Global list of inpcbs on the protocol. 292 */ 293 struct inpcbhead *ipi_listhead; /* (g) */ 294 u_int ipi_count; /* (g) */ --- 12 unchanged lines hidden (view full) --- 307 u_short ipi_lasthi; /* (x) */ 308 309 /* 310 * UMA zone from which inpcbs are allocated for this protocol. 311 */ 312 struct uma_zone *ipi_zone; /* (c) */ 313 314 /* | 287 */ 288 struct rwlock ipi_lock; 289 290 /* 291 * Global list of inpcbs on the protocol. 292 */ 293 struct inpcbhead *ipi_listhead; /* (g) */ 294 u_int ipi_count; /* (g) */ --- 12 unchanged lines hidden (view full) --- 307 u_short ipi_lasthi; /* (x) */ 308 309 /* 310 * UMA zone from which inpcbs are allocated for this protocol. 311 */ 312 struct uma_zone *ipi_zone; /* (c) */ 313 314 /* |
| 315 * Global lock protecting hash lookup tables. 316 */ 317 struct rwlock ipi_hash_lock; 318 319 /* |
|
| 315 * Global hash of inpcbs, hashed by local and foreign addresses and 316 * port numbers. 317 */ | 320 * Global hash of inpcbs, hashed by local and foreign addresses and 321 * port numbers. 322 */ |
| 318 struct inpcbhead *ipi_hashbase; /* (g) */ 319 u_long ipi_hashmask; /* (g) */ | 323 struct inpcbhead *ipi_hashbase; /* (h) */ 324 u_long ipi_hashmask; /* (h) */ |
| 320 321 /* 322 * Global hash of inpcbs, hashed by only local port number. 323 */ | 325 326 /* 327 * Global hash of inpcbs, hashed by only local port number. 328 */ |
| 324 struct inpcbporthead *ipi_porthashbase; /* (g) */ 325 u_long ipi_porthashmask; /* (g) */ | 329 struct inpcbporthead *ipi_porthashbase; /* (h) */ 330 u_long ipi_porthashmask; /* (h) */ |
| 326 327 /* 328 * Pointer to network stack instance 329 */ 330 struct vnet *ipi_vnet; /* (c) */ 331 332 /* 333 * general use 2 --- 67 unchanged lines hidden (view full) --- 401#define INP_INFO_TRY_UPGRADE(ipi) rw_try_upgrade(&(ipi)->ipi_lock) 402#define INP_INFO_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_lock) 403#define INP_INFO_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_lock) 404#define INP_INFO_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_LOCKED) 405#define INP_INFO_RLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_RLOCKED) 406#define INP_INFO_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_WLOCKED) 407#define INP_INFO_UNLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_UNLOCKED) 408 | 331 332 /* 333 * Pointer to network stack instance 334 */ 335 struct vnet *ipi_vnet; /* (c) */ 336 337 /* 338 * general use 2 --- 67 unchanged lines hidden (view full) --- 406#define INP_INFO_TRY_UPGRADE(ipi) rw_try_upgrade(&(ipi)->ipi_lock) 407#define INP_INFO_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_lock) 408#define INP_INFO_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_lock) 409#define INP_INFO_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_LOCKED) 410#define INP_INFO_RLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_RLOCKED) 411#define INP_INFO_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_WLOCKED) 412#define INP_INFO_UNLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_lock, RA_UNLOCKED) 413 |
| 414#define INP_HASH_LOCK_INIT(ipi, d) \ 415 rw_init_flags(&(ipi)->ipi_hash_lock, (d), 0) 416#define INP_HASH_LOCK_DESTROY(ipi) rw_destroy(&(ipi)->ipi_hash_lock) 417#define INP_HASH_RLOCK(ipi) rw_rlock(&(ipi)->ipi_hash_lock) 418#define INP_HASH_WLOCK(ipi) rw_wlock(&(ipi)->ipi_hash_lock) 419#define INP_HASH_RUNLOCK(ipi) rw_runlock(&(ipi)->ipi_hash_lock) 420#define INP_HASH_WUNLOCK(ipi) rw_wunlock(&(ipi)->ipi_hash_lock) 421#define INP_HASH_LOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_hash_lock, \ 422 RA_LOCKED) 423#define INP_HASH_WLOCK_ASSERT(ipi) rw_assert(&(ipi)->ipi_hash_lock, \ 424 RA_WLOCKED) 425 |
|
| 409#define INP_PCBHASH(faddr, lport, fport, mask) \ 410 (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) 411#define INP_PCBPORTHASH(lport, mask) \ 412 (ntohs((lport)) & (mask)) 413 414/* 415 * Flags for inp_vflags -- historically version flags only 416 */ --- 44 unchanged lines hidden (view full) --- 461 IN6P_MTU) 462 463/* 464 * Flags for inp_flags2. 465 */ 466#define INP_LLE_VALID 0x00000001 /* cached lle is valid */ 467#define INP_RT_VALID 0x00000002 /* cached rtentry is valid */ 468 | 426#define INP_PCBHASH(faddr, lport, fport, mask) \ 427 (((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask)) 428#define INP_PCBPORTHASH(lport, mask) \ 429 (ntohs((lport)) & (mask)) 430 431/* 432 * Flags for inp_vflags -- historically version flags only 433 */ --- 44 unchanged lines hidden (view full) --- 478 IN6P_MTU) 479 480/* 481 * Flags for inp_flags2. 482 */ 483#define INP_LLE_VALID 0x00000001 /* cached lle is valid */ 484#define INP_RT_VALID 0x00000002 /* cached rtentry is valid */ 485 |
| 469#define INPLOOKUP_WILDCARD 1 | 486/* 487 * Flags passed to in_pcblookup*() functions. 488 */ 489#define INPLOOKUP_WILDCARD 0x00000001 /* Allow wildcard sockets. */ 490#define INPLOOKUP_RLOCKPCB 0x00000002 /* Return inpcb read-locked. */ 491#define INPLOOKUP_WLOCKPCB 0x00000004 /* Return inpcb write-locked. */ 492 493#define INPLOOKUP_MASK (INPLOOKUP_WILDCARD | INPLOOKUP_RLOCKPCB | \ 494 INPLOOKUP_WLOCKPCB) 495 |
| 470#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 471#define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ 472 473#define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family 474 475#define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) 476 477#ifdef _KERNEL --- 44 unchanged lines hidden (view full) --- 522void in_pcbdisconnect(struct inpcb *); 523void in_pcbdrop(struct inpcb *); 524void in_pcbfree(struct inpcb *); 525int in_pcbinshash(struct inpcb *); 526struct inpcb * 527 in_pcblookup_local(struct inpcbinfo *, 528 struct in_addr, u_short, int, struct ucred *); 529struct inpcb * | 496#define sotoinpcb(so) ((struct inpcb *)(so)->so_pcb) 497#define sotoin6pcb(so) sotoinpcb(so) /* for KAME src sync over BSD*'s */ 498 499#define INP_SOCKAF(so) so->so_proto->pr_domain->dom_family 500 501#define INP_CHECK_SOCKAF(so, af) (INP_SOCKAF(so) == af) 502 503#ifdef _KERNEL --- 44 unchanged lines hidden (view full) --- 548void in_pcbdisconnect(struct inpcb *); 549void in_pcbdrop(struct inpcb *); 550void in_pcbfree(struct inpcb *); 551int in_pcbinshash(struct inpcb *); 552struct inpcb * 553 in_pcblookup_local(struct inpcbinfo *, 554 struct in_addr, u_short, int, struct ucred *); 555struct inpcb * |
| 530 in_pcblookup_hash(struct inpcbinfo *, struct in_addr, u_int, | 556 in_pcblookup(struct inpcbinfo *, struct in_addr, u_int, |
| 531 struct in_addr, u_int, int, struct ifnet *); 532void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr, 533 int, struct inpcb *(*)(struct inpcb *, int)); 534void in_pcbref(struct inpcb *); 535void in_pcbrehash(struct inpcb *); 536int in_pcbrele(struct inpcb *); 537int in_pcbrele_rlocked(struct inpcb *); 538int in_pcbrele_wlocked(struct inpcb *); 539void in_pcbsetsolabel(struct socket *so); 540int in_getpeeraddr(struct socket *so, struct sockaddr **nam); 541int in_getsockaddr(struct socket *so, struct sockaddr **nam); 542struct sockaddr * 543 in_sockaddr(in_port_t port, struct in_addr *addr); 544void in_pcbsosetlabel(struct socket *so); 545#endif /* _KERNEL */ 546 547#endif /* !_NETINET_IN_PCB_H_ */ | 557 struct in_addr, u_int, int, struct ifnet *); 558void in_pcbnotifyall(struct inpcbinfo *pcbinfo, struct in_addr, 559 int, struct inpcb *(*)(struct inpcb *, int)); 560void in_pcbref(struct inpcb *); 561void in_pcbrehash(struct inpcb *); 562int in_pcbrele(struct inpcb *); 563int in_pcbrele_rlocked(struct inpcb *); 564int in_pcbrele_wlocked(struct inpcb *); 565void in_pcbsetsolabel(struct socket *so); 566int in_getpeeraddr(struct socket *so, struct sockaddr **nam); 567int in_getsockaddr(struct socket *so, struct sockaddr **nam); 568struct sockaddr * 569 in_sockaddr(in_port_t port, struct in_addr *addr); 570void in_pcbsosetlabel(struct socket *so); 571#endif /* _KERNEL */ 572 573#endif /* !_NETINET_IN_PCB_H_ */ |