4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
34 * lnet/include/lnet/lib-lnet.h
36 * Top level include for library side routines
39 #ifndef __LNET_LIB_LNET_H__
40 #define __LNET_LIB_LNET_H__
42 #if defined(__linux__)
43 #include <lnet/linux/lib-lnet.h>
44 #elif defined(__APPLE__)
45 #include <lnet/darwin/lib-lnet.h>
46 #elif defined(__WINNT__)
47 #include <lnet/winnt/lib-lnet.h>
49 #error Unsupported Operating System
52 #include <libcfs/libcfs.h>
53 #include <lnet/types.h>
54 #include <lnet/lnet.h>
55 #include <lnet/lib-types.h>
57 extern lnet_t the_lnet; /* THE network */
59 static inline int lnet_is_wire_handle_none (lnet_handle_wire_t *wh)
61 return (wh->wh_interface_cookie == LNET_WIRE_HANDLE_COOKIE_NONE &&
62 wh->wh_object_cookie == LNET_WIRE_HANDLE_COOKIE_NONE);
65 static inline int lnet_md_exhausted (lnet_libmd_t *md)
67 return (md->md_threshold == 0 ||
68 ((md->md_options & LNET_MD_MAX_SIZE) != 0 &&
69 md->md_offset + md->md_max_size > md->md_length));
72 static inline int lnet_md_unlinkable (lnet_libmd_t *md)
74 /* Should unlink md when its refcount is 0 and either:
75 * - md has been flagged for deletion (by auto unlink or LNetM[DE]Unlink,
76 * in the latter case md may not be exhausted).
77 * - auto unlink is on and md is exhausted.
79 if (md->md_refcount != 0)
82 if ((md->md_flags & LNET_MD_FLAG_ZOMBIE) != 0)
85 return ((md->md_flags & LNET_MD_FLAG_AUTO_UNLINK) != 0 &&
86 lnet_md_exhausted(md));
94 cfs_spin_lock(&the_lnet.ln_res_lock);
100 cfs_spin_unlock(&the_lnet.ln_res_lock);
103 #define LNET_LOCK() cfs_spin_lock(&the_lnet.ln_lock)
104 #define LNET_UNLOCK() cfs_spin_unlock(&the_lnet.ln_lock)
105 #define LNET_MUTEX_LOCK(m) cfs_mutex_lock(m)
106 #define LNET_MUTEX_UNLOCK(m) cfs_mutex_unlock(m)
108 # ifndef HAVE_LIBPTHREAD
109 #define LNET_SINGLE_THREADED_LOCK(l) \
111 LASSERT ((l) == 0); \
115 #define LNET_SINGLE_THREADED_UNLOCK(l) \
117 LASSERT ((l) == 1); \
121 #define LNET_LOCK() LNET_SINGLE_THREADED_LOCK(the_lnet.ln_lock)
122 #define LNET_UNLOCK() LNET_SINGLE_THREADED_UNLOCK(the_lnet.ln_lock)
123 #define LNET_MUTEX_LOCK(m) LNET_SINGLE_THREADED_LOCK(*(m))
124 #define LNET_MUTEX_UNLOCK(m) LNET_SINGLE_THREADED_UNLOCK(*(m))
126 #define lnet_res_lock() \
127 LNET_SINGLE_THREADED_LOCK(the_lnet.ln_res_lock)
128 #define lnet_res_unlock() \
129 LNET_SINGLE_THREADED_UNLOCK(the_lnet.ln_res_lock)
132 #define LNET_LOCK() pthread_mutex_lock(&the_lnet.ln_lock)
133 #define LNET_UNLOCK() pthread_mutex_unlock(&the_lnet.ln_lock)
134 #define LNET_MUTEX_LOCK(m) pthread_mutex_lock(m)
135 #define LNET_MUTEX_UNLOCK(m) pthread_mutex_unlock(m)
136 #define lnet_res_lock() pthread_mutex_lock(&the_lnet.ln_res_lock)
137 #define lnet_res_unlock() pthread_mutex_unlock(&the_lnet.ln_res_lock)
142 #define MAX_PORTALS 64
144 /* these are only used by code with LNET_USE_LIB_FREELIST, but we still
145 * exported them to !LNET_USE_LIB_FREELIST for easy implemetation */
146 #define LNET_FL_MAX_MES 2048
147 #define LNET_FL_MAX_MDS 2048
148 #define LNET_FL_MAX_EQS 512
149 #define LNET_FL_MAX_MSGS 2048 /* Outstanding messages */
151 #ifdef LNET_USE_LIB_FREELIST
153 int lnet_freelist_init(lnet_freelist_t *fl, int n, int size);
154 void lnet_freelist_fini(lnet_freelist_t *fl);
157 lnet_freelist_alloc (lnet_freelist_t *fl)
159 /* ALWAYS called with liblock held */
162 if (cfs_list_empty (&fl->fl_list))
165 o = cfs_list_entry (fl->fl_list.next, lnet_freeobj_t, fo_list);
166 cfs_list_del (&o->fo_list);
167 return ((void *)&o->fo_contents);
171 lnet_freelist_free (lnet_freelist_t *fl, void *obj)
173 /* ALWAYS called with liblock held */
174 lnet_freeobj_t *o = cfs_list_entry (obj, lnet_freeobj_t, fo_contents);
176 cfs_list_add (&o->fo_list, &fl->fl_list);
180 static inline lnet_eq_t *
183 /* NEVER called with resource lock held */
184 struct lnet_res_container *rec = &the_lnet.ln_eq_container;
188 eq = (lnet_eq_t *)lnet_freelist_alloc(&rec->rec_freelist);
195 lnet_eq_free_locked(lnet_eq_t *eq)
197 /* ALWAYS called with resource lock held */
198 struct lnet_res_container *rec = &the_lnet.ln_eq_container;
200 lnet_freelist_free(&rec->rec_freelist, eq);
204 lnet_eq_free(lnet_eq_t *eq)
207 lnet_eq_free_locked(eq);
211 static inline lnet_libmd_t *
212 lnet_md_alloc (lnet_md_t *umd)
214 /* NEVER called with resource lock held */
215 struct lnet_res_container *rec = &the_lnet.ln_md_container;
219 md = (lnet_libmd_t *)lnet_freelist_alloc(&rec->rec_freelist);
223 CFS_INIT_LIST_HEAD(&md->md_list);
229 lnet_md_free_locked(lnet_libmd_t *md)
231 /* ALWAYS called with resource lock held */
232 struct lnet_res_container *rec = &the_lnet.ln_md_container;
234 lnet_freelist_free(&rec->rec_freelist, md);
238 lnet_md_free(lnet_libmd_t *md)
241 lnet_md_free_locked(md);
245 static inline lnet_me_t *
248 /* NEVER called with resource lock held */
249 struct lnet_res_container *rec = &the_lnet.ln_me_container;
253 me = (lnet_me_t *)lnet_freelist_alloc(&rec->rec_freelist);
260 lnet_me_free_locked(lnet_me_t *me)
262 /* ALWAYS called with resource lock held */
263 struct lnet_res_container *rec = &the_lnet.ln_me_container;
265 lnet_freelist_free(&rec->rec_freelist, me);
269 lnet_me_free(lnet_me_t *me)
272 lnet_me_free_locked(me);
276 static inline lnet_msg_t *
277 lnet_msg_alloc (void)
279 /* NEVER called with network lock held */
280 struct lnet_msg_container *msc = &the_lnet.ln_msg_container;
284 msg = (lnet_msg_t *)lnet_freelist_alloc(&msc->msc_freelist);
288 /* NULL pointers, clear flags etc */
289 memset(msg, 0, sizeof(*msg));
291 msg->msg_ev.uid = LNET_UID_ANY;
298 lnet_msg_free_locked(lnet_msg_t *msg)
300 /* ALWAYS called with network lock held */
301 struct lnet_msg_container *msc = &the_lnet.ln_msg_container;
303 LASSERT(!msg->msg_onactivelist);
304 lnet_freelist_free(&msc->msc_freelist, msg);
308 lnet_msg_free (lnet_msg_t *msg)
311 lnet_msg_free_locked(msg);
315 #else /* !LNET_USE_LIB_FREELIST */
317 static inline lnet_eq_t *
320 /* NEVER called with liblock held */
323 LIBCFS_ALLOC(eq, sizeof(*eq));
328 lnet_eq_free(lnet_eq_t *eq)
330 /* ALWAYS called with resource lock held */
331 LIBCFS_FREE(eq, sizeof(*eq));
334 static inline lnet_libmd_t *
335 lnet_md_alloc (lnet_md_t *umd)
337 /* NEVER called with liblock held */
342 if ((umd->options & LNET_MD_KIOV) != 0) {
344 size = offsetof(lnet_libmd_t, md_iov.kiov[niov]);
346 niov = ((umd->options & LNET_MD_IOVEC) != 0) ?
348 size = offsetof(lnet_libmd_t, md_iov.iov[niov]);
351 LIBCFS_ALLOC(md, size);
354 /* Set here in case of early free */
355 md->md_options = umd->options;
357 CFS_INIT_LIST_HEAD(&md->md_list);
364 lnet_md_free(lnet_libmd_t *md)
366 /* ALWAYS called with resource lock held */
369 if ((md->md_options & LNET_MD_KIOV) != 0)
370 size = offsetof(lnet_libmd_t, md_iov.kiov[md->md_niov]);
372 size = offsetof(lnet_libmd_t, md_iov.iov[md->md_niov]);
374 LIBCFS_FREE(md, size);
377 static inline lnet_me_t *
380 /* NEVER called with liblock held */
383 LIBCFS_ALLOC(me, sizeof(*me));
388 lnet_me_free(lnet_me_t *me)
390 /* ALWAYS called with resource lock held */
391 LIBCFS_FREE(me, sizeof(*me));
394 static inline lnet_msg_t *
397 /* NEVER called with liblock held */
400 LIBCFS_ALLOC(msg, sizeof(*msg));
402 /* no need to zero, LIBCFS_ALLOC does for us */
406 msg->msg_ev.uid = LNET_UID_ANY;
413 lnet_msg_free(lnet_msg_t *msg)
415 /* ALWAYS called with network lock held */
416 LASSERT(!msg->msg_onactivelist);
417 LIBCFS_FREE(msg, sizeof(*msg));
420 #define lnet_eq_free_locked(eq) lnet_eq_free(eq)
421 #define lnet_md_free_locked(md) lnet_md_free(md)
422 #define lnet_me_free_locked(me) lnet_me_free(me)
423 #define lnet_msg_free_locked(msg) lnet_msg_free(msg)
425 #endif /* LNET_USE_LIB_FREELIST */
427 lnet_libhandle_t *lnet_res_lh_lookup(struct lnet_res_container *rec,
429 void lnet_res_lh_initialize(struct lnet_res_container *rec,
430 lnet_libhandle_t *lh);
432 lnet_res_lh_invalidate(lnet_libhandle_t *lh)
434 /* ALWAYS called with resource lock held */
435 cfs_list_del(&lh->lh_hash_chain);
439 lnet_eq2handle (lnet_handle_eq_t *handle, lnet_eq_t *eq)
442 LNetInvalidateHandle(handle);
446 handle->cookie = eq->eq_lh.lh_cookie;
449 static inline lnet_eq_t *
450 lnet_handle2eq(lnet_handle_eq_t *handle)
452 /* ALWAYS called with resource lock held */
453 lnet_libhandle_t *lh;
455 lh = lnet_res_lh_lookup(&the_lnet.ln_eq_container, handle->cookie);
459 return lh_entry(lh, lnet_eq_t, eq_lh);
463 lnet_md2handle (lnet_handle_md_t *handle, lnet_libmd_t *md)
465 handle->cookie = md->md_lh.lh_cookie;
468 static inline lnet_libmd_t *
469 lnet_handle2md(lnet_handle_md_t *handle)
471 /* ALWAYS called with resource lock held */
472 lnet_libhandle_t *lh;
474 lh = lnet_res_lh_lookup(&the_lnet.ln_md_container, handle->cookie);
478 return lh_entry(lh, lnet_libmd_t, md_lh);
481 static inline lnet_libmd_t *
482 lnet_wire_handle2md(lnet_handle_wire_t *wh)
484 /* ALWAYS called with resource lock held */
485 lnet_libhandle_t *lh;
487 if (wh->wh_interface_cookie != the_lnet.ln_interface_cookie)
490 lh = lnet_res_lh_lookup(&the_lnet.ln_md_container,
491 wh->wh_object_cookie);
495 return lh_entry(lh, lnet_libmd_t, md_lh);
499 lnet_me2handle (lnet_handle_me_t *handle, lnet_me_t *me)
501 handle->cookie = me->me_lh.lh_cookie;
504 static inline lnet_me_t *
505 lnet_handle2me(lnet_handle_me_t *handle)
507 /* ALWAYS called with resource lock held */
508 lnet_libhandle_t *lh;
510 lh = lnet_res_lh_lookup(&the_lnet.ln_me_container, handle->cookie);
514 return lh_entry(lh, lnet_me_t, me_lh);
518 lnet_peer_addref_locked(lnet_peer_t *lp)
520 LASSERT (lp->lp_refcount > 0);
524 extern void lnet_destroy_peer_locked(lnet_peer_t *lp);
527 lnet_peer_decref_locked(lnet_peer_t *lp)
529 LASSERT (lp->lp_refcount > 0);
531 if (lp->lp_refcount == 0)
532 lnet_destroy_peer_locked(lp);
536 lnet_isrouter(lnet_peer_t *lp)
538 return lp->lp_rtr_refcount != 0;
542 lnet_ni_addref_locked(lnet_ni_t *ni)
544 LASSERT (ni->ni_refcount > 0);
549 lnet_ni_addref(lnet_ni_t *ni)
552 lnet_ni_addref_locked(ni);
557 lnet_ni_decref_locked(lnet_ni_t *ni)
559 LASSERT (ni->ni_refcount > 0);
561 if (ni->ni_refcount == 0)
562 cfs_list_add_tail(&ni->ni_list, &the_lnet.ln_zombie_nis);
566 lnet_ni_decref(lnet_ni_t *ni)
569 lnet_ni_decref_locked(ni);
574 lnet_nid2peerhash(lnet_nid_t nid)
576 return cfs_hash_long(nid, LNET_PEER_HASH_BITS);
579 extern lnd_t the_lolnd;
582 /* unconditional registration */
583 #define LNET_REGISTER_ULND(lnd) \
587 lnet_register_lnd(&(lnd)); \
590 /* conditional registration */
591 #define LNET_REGISTER_ULND_IF_PRESENT(lnd) \
593 extern lnd_t lnd __attribute__ ((weak, alias("the_lolnd"))); \
595 if (&(lnd) != &the_lolnd) \
596 lnet_register_lnd(&(lnd)); \
602 lnet_set_msg_uid(lnet_ni_t *ni, lnet_msg_t *msg, lnet_uid_t uid)
604 LASSERT (msg->msg_ev.uid == LNET_UID_ANY);
605 msg->msg_ev.uid = uid;
609 extern lnet_ni_t *lnet_nid2ni_locked (lnet_nid_t nid);
610 extern lnet_ni_t *lnet_net2ni_locked (__u32 net);
611 static inline lnet_ni_t *
612 lnet_net2ni (__u32 net)
617 ni = lnet_net2ni_locked(net);
623 int lnet_notify(lnet_ni_t *ni, lnet_nid_t peer, int alive, cfs_time_t when);
624 void lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive, cfs_time_t when);
625 int lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid);
626 int lnet_check_routes(void);
627 int lnet_del_route(__u32 net, lnet_nid_t gw_nid);
628 void lnet_destroy_routes(void);
629 int lnet_get_route(int idx, __u32 *net, __u32 *hops,
630 lnet_nid_t *gateway, __u32 *alive);
631 void lnet_proc_init(void);
632 void lnet_proc_fini(void);
633 void lnet_init_rtrpools(void);
634 int lnet_alloc_rtrpools(int im_a_router);
635 void lnet_free_rtrpools(void);
636 lnet_remotenet_t *lnet_find_net_locked (__u32 net);
638 int lnet_islocalnid(lnet_nid_t nid);
639 int lnet_islocalnet(__u32 net);
641 void lnet_msg_attach_md(lnet_msg_t *msg, lnet_libmd_t *md,
642 unsigned int offset, unsigned int mlen);
643 void lnet_msg_detach_md(lnet_msg_t *msg, int status);
644 void lnet_build_unlink_event(lnet_libmd_t *md, lnet_event_t *ev);
645 void lnet_build_msg_event(lnet_msg_t *msg, lnet_event_kind_t ev_type);
646 void lnet_msg_commit(lnet_msg_t *msg, int sending);
647 void lnet_msg_decommit(lnet_msg_t *msg, int status);
649 void lnet_eq_enqueue_event(lnet_eq_t *eq, lnet_event_t *ev);
650 void lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target,
651 unsigned int offset, unsigned int len);
652 int lnet_send(lnet_nid_t nid, lnet_msg_t *msg);
653 void lnet_return_tx_credits_locked(lnet_msg_t *msg);
654 void lnet_return_rx_credits_locked(lnet_msg_t *msg);
656 /* portals functions */
657 /* portals attributes */
659 lnet_ptl_is_lazy(lnet_portal_t *ptl)
661 return !!(ptl->ptl_options & LNET_PTL_LAZY);
665 lnet_ptl_is_unique(lnet_portal_t *ptl)
667 return !!(ptl->ptl_options & LNET_PTL_MATCH_UNIQUE);
671 lnet_ptl_is_wildcard(lnet_portal_t *ptl)
673 return !!(ptl->ptl_options & LNET_PTL_MATCH_WILDCARD);
677 lnet_ptl_setopt(lnet_portal_t *ptl, int opt)
679 ptl->ptl_options |= opt;
683 lnet_ptl_unsetopt(lnet_portal_t *ptl, int opt)
685 ptl->ptl_options &= ~opt;
688 /* match-table functions */
689 cfs_list_t *lnet_mt_match_head(struct lnet_match_table *mtable,
690 lnet_process_id_t id, __u64 mbits);
691 struct lnet_match_table *lnet_mt_of_attach(unsigned int index,
692 lnet_process_id_t id, __u64 mbits,
695 struct lnet_match_table *lnet_mt_of_match(unsigned int index,
696 lnet_process_id_t id, __u64 mbits);
697 int lnet_mt_match_md(struct lnet_match_table *mtable,
698 struct lnet_match_info *info, struct lnet_msg *msg);
700 /* portals match/attach functions */
701 void lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
702 cfs_list_t *matches, cfs_list_t *drops);
703 void lnet_ptl_detach_md(lnet_me_t *me, lnet_libmd_t *md);
704 int lnet_ptl_match_md(struct lnet_match_info *info, struct lnet_msg *msg);
706 /* initialized and finalize portals */
707 int lnet_portals_create(void);
708 void lnet_portals_destroy(void);
710 /* message functions */
711 int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr,
712 lnet_nid_t fromnid, void *private, int rdma_req);
713 void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
714 unsigned int offset, unsigned int mlen, unsigned int rlen);
715 lnet_msg_t *lnet_create_reply_msg (lnet_ni_t *ni, lnet_msg_t *get_msg);
716 void lnet_set_reply_msg_len(lnet_ni_t *ni, lnet_msg_t *msg, unsigned int len);
717 void lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int rc);
718 void lnet_drop_delayed_msg_list(cfs_list_t *head, char *reason);
719 void lnet_recv_delayed_msg_list(cfs_list_t *head);
721 int lnet_msg_container_setup(struct lnet_msg_container *container);
722 void lnet_msg_container_cleanup(struct lnet_msg_container *container);
724 char *lnet_msgtyp2str (int type);
725 void lnet_print_hdr (lnet_hdr_t * hdr);
726 int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
728 unsigned int lnet_iov_nob (unsigned int niov, struct iovec *iov);
729 int lnet_extract_iov (int dst_niov, struct iovec *dst,
730 int src_niov, struct iovec *src,
731 unsigned int offset, unsigned int len);
733 unsigned int lnet_kiov_nob (unsigned int niov, lnet_kiov_t *iov);
734 int lnet_extract_kiov (int dst_niov, lnet_kiov_t *dst,
735 int src_niov, lnet_kiov_t *src,
736 unsigned int offset, unsigned int len);
738 void lnet_copy_iov2iov (unsigned int ndiov, struct iovec *diov,
739 unsigned int doffset,
740 unsigned int nsiov, struct iovec *siov,
741 unsigned int soffset, unsigned int nob);
742 void lnet_copy_kiov2iov (unsigned int niov, struct iovec *iov,
743 unsigned int iovoffset,
744 unsigned int nkiov, lnet_kiov_t *kiov,
745 unsigned int kiovoffset, unsigned int nob);
746 void lnet_copy_iov2kiov (unsigned int nkiov, lnet_kiov_t *kiov,
747 unsigned int kiovoffset,
748 unsigned int niov, struct iovec *iov,
749 unsigned int iovoffset, unsigned int nob);
750 void lnet_copy_kiov2kiov (unsigned int ndkiov, lnet_kiov_t *dkiov,
751 unsigned int doffset,
752 unsigned int nskiov, lnet_kiov_t *skiov,
753 unsigned int soffset, unsigned int nob);
756 lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
757 unsigned int nsiov, struct iovec *siov, unsigned int soffset,
760 struct iovec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};
762 lnet_copy_iov2iov(1, &diov, doffset,
763 nsiov, siov, soffset, nob);
767 lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
768 unsigned int nsiov, lnet_kiov_t *skiov, unsigned int soffset,
771 struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
773 lnet_copy_kiov2iov(1, &diov, doffset,
774 nsiov, skiov, soffset, nob);
778 lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
779 int slen, void *src, unsigned int soffset, unsigned int nob)
781 struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
782 lnet_copy_iov2iov(ndiov, diov, doffset,
783 1, &siov, soffset, nob);
787 lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, unsigned int doffset,
788 int slen, void *src, unsigned int soffset, unsigned int nob)
790 struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
791 lnet_copy_iov2kiov(ndiov, dkiov, doffset,
792 1, &siov, soffset, nob);
795 void lnet_me_unlink(lnet_me_t *me);
797 void lnet_md_unlink(lnet_libmd_t *md);
798 void lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd);
800 void lnet_register_lnd(lnd_t *lnd);
801 void lnet_unregister_lnd(lnd_t *lnd);
802 int lnet_set_ip_niaddr (lnet_ni_t *ni);
805 int lnet_connect(cfs_socket_t **sockp, lnet_nid_t peer_nid,
806 __u32 local_ip, __u32 peer_ip, int peer_port);
807 void lnet_connect_console_error(int rc, lnet_nid_t peer_nid,
808 __u32 peer_ip, int port);
809 int lnet_count_acceptor_nis(void);
810 int lnet_acceptor_timeout(void);
811 int lnet_acceptor_port(void);
813 void lnet_router_checker(void);
816 #ifdef HAVE_LIBPTHREAD
817 int lnet_count_acceptor_nis(void);
818 int lnet_acceptor_port(void);
821 int lnet_acceptor_start(void);
822 void lnet_acceptor_stop(void);
824 void lnet_get_tunables(void);
825 int lnet_peers_start_down(void);
826 int lnet_peer_buffer_credits(lnet_ni_t *ni);
828 int lnet_router_checker_start(void);
829 void lnet_router_checker_stop(void);
830 void lnet_swap_pinginfo(lnet_ping_info_t *info);
832 int lnet_ping_target_init(void);
833 void lnet_ping_target_fini(void);
834 int lnet_ping(lnet_process_id_t id, int timeout_ms,
835 lnet_process_id_t *ids, int n_ids);
837 int lnet_parse_ip2nets (char **networksp, char *ip2nets);
838 int lnet_parse_routes (char *route_str, int *im_a_router);
839 int lnet_parse_networks (cfs_list_t *nilist, char *networks);
841 int lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid);
842 lnet_peer_t *lnet_find_peer_locked (lnet_nid_t nid);
843 void lnet_peer_table_cleanup(void);
844 void lnet_peer_table_destroy(void);
845 int lnet_peer_table_create(void);
846 void lnet_debug_peer(lnet_nid_t nid);
850 lnet_parse_int_tunable(int *value, char *name)
852 char *env = getenv(name);
858 *value = strtoull(env, &end, 0);
862 CERROR("Can't parse tunable %s=%s\n", name, env);