+static inline void
+lnet_peer_addref_locked(lnet_peer_t *lp)
+{
+ LASSERT (lp->lp_refcount > 0);
+ lp->lp_refcount++;
+}
+
+extern void lnet_destroy_peer_locked(lnet_peer_t *lp);
+
+static inline void
+lnet_peer_decref_locked(lnet_peer_t *lp)
+{
+ LASSERT (lp->lp_refcount > 0);
+ lp->lp_refcount--;
+ if (lp->lp_refcount == 0)
+ lnet_destroy_peer_locked(lp);
+}
+
+static inline int
+lnet_isrouter(lnet_peer_t *lp)
+{
+ return lp->lp_rtr_refcount != 0;
+}
+
+static inline void
+lnet_ni_addref_locked(lnet_ni_t *ni)
+{
+ LASSERT (ni->ni_refcount > 0);
+ ni->ni_refcount++;
+}
+
+static inline void
+lnet_ni_addref(lnet_ni_t *ni)
+{
+ LNET_LOCK();
+ lnet_ni_addref_locked(ni);
+ LNET_UNLOCK();
+}
+
+static inline void
+lnet_ni_decref_locked(lnet_ni_t *ni)
+{
+ LASSERT (ni->ni_refcount > 0);
+ ni->ni_refcount--;
+ if (ni->ni_refcount == 0)
+ cfs_list_add_tail(&ni->ni_list, &the_lnet.ln_zombie_nis);
+}
+
+static inline void
+lnet_ni_decref(lnet_ni_t *ni)
+{
+ LNET_LOCK();
+ lnet_ni_decref_locked(ni);
+ LNET_UNLOCK();
+}
+
+static inline cfs_list_t *
+lnet_nid2peerhash (lnet_nid_t nid)
+{
+ unsigned int idx = LNET_NIDADDR(nid) % LNET_PEER_HASHSIZE;
+
+ return &the_lnet.ln_peer_hash[idx];
+}
+
+extern lnd_t the_lolnd;
+
+#ifndef __KERNEL__
+/* unconditional registration */
+#define LNET_REGISTER_ULND(lnd) \
+do { \
+ extern lnd_t lnd; \
+ \
+ lnet_register_lnd(&(lnd)); \
+} while (0)
+
+/* conditional registration */
+#define LNET_REGISTER_ULND_IF_PRESENT(lnd) \
+do { \
+ extern lnd_t lnd __attribute__ ((weak, alias("the_lolnd"))); \
+ \
+ if (&(lnd) != &the_lolnd) \
+ lnet_register_lnd(&(lnd)); \
+} while (0)
+#endif
+
+#ifdef CRAY_XT3
+inline static void
+lnet_set_msg_uid(lnet_ni_t *ni, lnet_msg_t *msg, lnet_uid_t uid)
+{
+ LASSERT (msg->msg_ev.uid == LNET_UID_ANY);
+ msg->msg_ev.uid = uid;
+}
+#endif
+
+extern lnet_ni_t *lnet_nid2ni_locked (lnet_nid_t nid);
+extern lnet_ni_t *lnet_net2ni_locked (__u32 net);
+static inline lnet_ni_t *
+lnet_net2ni (__u32 net)
+{
+ lnet_ni_t *ni;
+
+ LNET_LOCK();
+ ni = lnet_net2ni_locked(net);
+ LNET_UNLOCK();
+
+ return ni;
+}
+
+int lnet_notify(lnet_ni_t *ni, lnet_nid_t peer, int alive, cfs_time_t when);
+void lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive, cfs_time_t when);
+int lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid);
+int lnet_check_routes(void);
+int lnet_del_route(__u32 net, lnet_nid_t gw_nid);
+void lnet_destroy_routes(void);
+int lnet_get_route(int idx, __u32 *net, __u32 *hops,
+ lnet_nid_t *gateway, __u32 *alive);
+void lnet_proc_init(void);
+void lnet_proc_fini(void);
+void lnet_init_rtrpools(void);
+int lnet_alloc_rtrpools(int im_a_router);
+void lnet_free_rtrpools(void);
+lnet_remotenet_t *lnet_find_net_locked (__u32 net);
+
+int lnet_islocalnid(lnet_nid_t nid);
+int lnet_islocalnet(__u32 net);
+
+void lnet_build_unlink_event(lnet_libmd_t *md, lnet_event_t *ev);
+void lnet_enq_event_locked(lnet_eq_t *eq, lnet_event_t *ev);
+void lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target,
+ unsigned int offset, unsigned int len);
+int lnet_send(lnet_nid_t nid, lnet_msg_t *msg);
+void lnet_return_credits_locked (lnet_msg_t *msg);
+void lnet_match_blocked_msg(lnet_libmd_t *md);
+int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr,
+ lnet_nid_t fromnid, void *private, int rdma_req);
+void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
+ unsigned int offset, unsigned int mlen, unsigned int rlen);
+lnet_msg_t *lnet_create_reply_msg (lnet_ni_t *ni, lnet_msg_t *get_msg);
+void lnet_set_reply_msg_len(lnet_ni_t *ni, lnet_msg_t *msg, unsigned int len);
+void lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int rc);
+
+char *lnet_msgtyp2str (int type);
+void lnet_print_hdr (lnet_hdr_t * hdr);
+int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
+
+unsigned int lnet_iov_nob (unsigned int niov, struct iovec *iov);
+int lnet_extract_iov (int dst_niov, struct iovec *dst,
+ int src_niov, struct iovec *src,
+ unsigned int offset, unsigned int len);
+
+unsigned int lnet_kiov_nob (unsigned int niov, lnet_kiov_t *iov);
+int lnet_extract_kiov (int dst_niov, lnet_kiov_t *dst,
+ int src_niov, lnet_kiov_t *src,
+ unsigned int offset, unsigned int len);
+
+void lnet_copy_iov2iov (unsigned int ndiov, struct iovec *diov,
+ unsigned int doffset,
+ unsigned int nsiov, struct iovec *siov,
+ unsigned int soffset, unsigned int nob);
+void lnet_copy_kiov2iov (unsigned int niov, struct iovec *iov,
+ unsigned int iovoffset,
+ unsigned int nkiov, lnet_kiov_t *kiov,
+ unsigned int kiovoffset, unsigned int nob);
+void lnet_copy_iov2kiov (unsigned int nkiov, lnet_kiov_t *kiov,
+ unsigned int kiovoffset,
+ unsigned int niov, struct iovec *iov,
+ unsigned int iovoffset, unsigned int nob);
+void lnet_copy_kiov2kiov (unsigned int ndkiov, lnet_kiov_t *dkiov,
+ unsigned int doffset,
+ unsigned int nskiov, lnet_kiov_t *skiov,
+ unsigned int soffset, unsigned int nob);
+
+static inline void
+lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
+ unsigned int nsiov, struct iovec *siov, unsigned int soffset,
+ unsigned int nob)
+{
+ struct iovec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};
+
+ lnet_copy_iov2iov(1, &diov, doffset,
+ nsiov, siov, soffset, nob);
+}
+
+static inline void
+lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
+ unsigned int nsiov, lnet_kiov_t *skiov, unsigned int soffset,
+ unsigned int nob)
+{
+ struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
+
+ lnet_copy_kiov2iov(1, &diov, doffset,
+ nsiov, skiov, soffset, nob);
+}
+
+static inline void
+lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
+ int slen, void *src, unsigned int soffset, unsigned int nob)
+{
+ struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
+ lnet_copy_iov2iov(ndiov, diov, doffset,
+ 1, &siov, soffset, nob);
+}
+
+static inline void
+lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, unsigned int doffset,
+ int slen, void *src, unsigned int soffset, unsigned int nob)
+{
+ struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
+ lnet_copy_iov2kiov(ndiov, dkiov, doffset,
+ 1, &siov, soffset, nob);
+}
+
+void lnet_me_unlink(lnet_me_t *me);
+
+void lnet_md_unlink(lnet_libmd_t *md);
+void lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd);
+
+void lnet_register_lnd(lnd_t *lnd);
+void lnet_unregister_lnd(lnd_t *lnd);
+int lnet_set_ip_niaddr (lnet_ni_t *ni);
+
+#ifdef __KERNEL__
+int lnet_connect(cfs_socket_t **sockp, lnet_nid_t peer_nid,
+ __u32 local_ip, __u32 peer_ip, int peer_port);
+void lnet_connect_console_error(int rc, lnet_nid_t peer_nid,
+ __u32 peer_ip, int port);
+int lnet_count_acceptor_nis(void);
+int lnet_acceptor_timeout(void);
+int lnet_acceptor_port(void);
+#else
+void lnet_router_checker(void);
+#endif
+
+#ifdef HAVE_LIBPTHREAD
+int lnet_count_acceptor_nis(void);
+int lnet_acceptor_port(void);
+#endif
+
+int lnet_acceptor_start(void);
+void lnet_acceptor_stop(void);
+
+void lnet_get_tunables(void);
+int lnet_peers_start_down(void);
+int lnet_peer_buffer_credits(lnet_ni_t *ni);
+
+int lnet_router_checker_start(void);
+void lnet_router_checker_stop(void);
+void lnet_swap_pinginfo(lnet_ping_info_t *info);
+int lnet_router_down_ni(lnet_peer_t *rtr, __u32 net);
+
+int lnet_ping_target_init(void);
+void lnet_ping_target_fini(void);
+int lnet_ping(lnet_process_id_t id, int timeout_ms,
+ lnet_process_id_t *ids, int n_ids);
+
+int lnet_parse_ip2nets (char **networksp, char *ip2nets);
+int lnet_parse_routes (char *route_str, int *im_a_router);
+int lnet_parse_networks (cfs_list_t *nilist, char *networks);
+
+int lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid);
+lnet_peer_t *lnet_find_peer_locked (lnet_nid_t nid);
+void lnet_clear_peer_table(void);
+void lnet_destroy_peer_table(void);
+int lnet_create_peer_table(void);
+void lnet_debug_peer(lnet_nid_t nid);
+
+#ifndef __KERNEL__
+static inline int
+lnet_parse_int_tunable(int *value, char *name)
+{
+ char *env = getenv(name);
+ char *end;
+
+ if (env == NULL)
+ return 0;
+
+ *value = strtoull(env, &end, 0);
+ if (*end == 0)
+ return 0;
+
+ CERROR("Can't parse tunable %s=%s\n", name, env);
+ return -EINVAL;
+}
+#endif