X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lnet%2Finclude%2Flnet%2Flib-lnet.h;h=358cb63f5696fd1b76a00afcdc0a27cfcd9d221b;hb=ab14f3bc852e708100d21770c00235f95841708a;hp=eb5dc8804ba43114f2750d08cda0a69698c4382e;hpb=66acff74d0da31e6064eff6ce46b764cccb2b072;p=fs%2Flustre-release.git

diff --git a/lnet/include/lnet/lib-lnet.h b/lnet/include/lnet/lib-lnet.h
index eb5dc88..358cb63 100644
--- a/lnet/include/lnet/lib-lnet.h
+++ b/lnet/include/lnet/lib-lnet.h
@@ -27,7 +27,6 @@
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  *
  * lnet/include/lnet/lib-lnet.h
  *
@@ -212,6 +211,7 @@ lnet_net_lock_current(void)
 extern struct kmem_cache *lnet_mes_cachep;	 /* MEs kmem_cache */
 extern struct kmem_cache *lnet_small_mds_cachep; /* <= LNET_SMALL_MD_SIZE bytes
 						  * MDs kmem_cache */
+extern struct kmem_cache *lnet_udsp_cachep;
 extern struct kmem_cache *lnet_rspt_cachep;
 extern struct kmem_cache *lnet_msg_cachep;
 
@@ -374,18 +374,15 @@ lnet_peer_decref_locked(struct lnet_peer *lp)
 static inline void
 lnet_peer_ni_addref_locked(struct lnet_peer_ni *lp)
 {
-	LASSERT(atomic_read(&lp->lpni_refcount) > 0);
-	atomic_inc(&lp->lpni_refcount);
+	kref_get(&lp->lpni_kref);
 }
 
-extern void lnet_destroy_peer_ni_locked(struct lnet_peer_ni *lp);
+extern void lnet_destroy_peer_ni_locked(struct kref *ref);
 
 static inline void
 lnet_peer_ni_decref_locked(struct lnet_peer_ni *lp)
 {
-	LASSERT(atomic_read(&lp->lpni_refcount) > 0);
-	if (atomic_dec_and_test(&lp->lpni_refcount))
-		lnet_destroy_peer_ni_locked(lp);
+	kref_put(&lp->lpni_kref, lnet_destroy_peer_ni_locked);
 }
 
 static inline int
@@ -548,13 +545,24 @@ int lnet_get_rtr_pool_cfg(int idx, struct lnet_ioctl_pool_cfg *pool_cfg);
 struct lnet_ni *lnet_get_next_ni_locked(struct lnet_net *mynet,
 					struct lnet_ni *prev);
 struct lnet_ni *lnet_get_ni_idx_locked(int idx);
+int lnet_get_net_healthv_locked(struct lnet_net *net);
 
 extern int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp,
 				struct libcfs_ioctl_hdr __user *uparam);
 extern int lnet_get_peer_list(__u32 *countp, __u32 *sizep,
 			      struct lnet_process_id __user *ids);
 extern void lnet_peer_ni_set_healthv(lnet_nid_t nid, int value, bool all);
-extern void lnet_peer_ni_add_to_recoveryq_locked(struct lnet_peer_ni *lpni);
+extern void lnet_peer_ni_add_to_recoveryq_locked(struct lnet_peer_ni *lpni,
+						 struct list_head *queue,
+						 time64_t now);
+extern int lnet_peer_add_pref_nid(struct lnet_peer_ni *lpni, lnet_nid_t nid);
+extern void lnet_peer_clr_pref_nids(struct lnet_peer_ni *lpni);
+extern int lnet_peer_del_pref_nid(struct lnet_peer_ni *lpni, lnet_nid_t nid);
+void lnet_peer_ni_set_selection_priority(struct lnet_peer_ni *lpni,
+					 __u32 priority);
+extern void lnet_ni_add_to_recoveryq_locked(struct lnet_ni *ni,
+					    struct list_head *queue,
+					    time64_t now);
 
 void lnet_router_debugfs_init(void);
 void lnet_router_debugfs_fini(void);
@@ -573,6 +581,8 @@ int lnet_dyn_add_ni(struct lnet_ioctl_config_ni *conf);
 int lnet_dyn_del_ni(struct lnet_ioctl_config_ni *conf);
 int lnet_clear_lazy_portal(struct lnet_ni *ni, int portal, char *reason);
 struct lnet_net *lnet_get_net_locked(__u32 net_id);
+void lnet_net_clr_pref_rtrs(struct lnet_net *net);
+int lnet_net_add_pref_rtr(struct lnet_net *net, lnet_nid_t gw_nid);
 
 int lnet_islocalnid(lnet_nid_t nid);
 int lnet_islocalnet(__u32 net);
@@ -662,6 +672,7 @@ void lnet_recv(struct lnet_ni *ni, void *private, struct lnet_msg *msg,
 void lnet_ni_recv(struct lnet_ni *ni, void *private, struct lnet_msg *msg,
 		  int delayed, unsigned int offset,
 		  unsigned int mlen, unsigned int rlen);
+void lnet_ni_send(struct lnet_ni *ni, struct lnet_msg *msg);
 
 struct lnet_msg *lnet_create_reply_msg(struct lnet_ni *ni,
 				       struct lnet_msg *get_msg);
@@ -712,6 +723,17 @@ bool lnet_delay_rule_match_locked(struct lnet_hdr *hdr, struct lnet_msg *msg);
 void lnet_counters_get_common(struct lnet_counters_common *common);
 int lnet_counters_get(struct lnet_counters *counters);
 void lnet_counters_reset(void);
+static inline void
+lnet_ni_set_sel_priority_locked(struct lnet_ni *ni, __u32 priority)
+{
+	ni->ni_sel_priority = priority;
+}
+
+static inline void
+lnet_net_set_sel_priority_locked(struct lnet_net *net, __u32 priority)
+{
+	net->net_sel_priority = priority;
+}
 
 unsigned int lnet_iov_nob(unsigned int niov, struct kvec *iov);
 unsigned int lnet_kiov_nob(unsigned int niov, struct bio_vec *iov);
@@ -768,10 +790,10 @@ unsigned int lnet_get_lnd_timeout(void);
 void lnet_register_lnd(const struct lnet_lnd *lnd);
 void lnet_unregister_lnd(const struct lnet_lnd *lnd);
 
-struct socket *lnet_connect(lnet_nid_t peer_nid, int interface, __u32 peer_ip,
-			    int peer_port, struct net *ns);
+struct socket *lnet_connect(lnet_nid_t peer_nid, int interface,
+			    struct sockaddr *peeraddr, struct net *ns);
 void lnet_connect_console_error(int rc, lnet_nid_t peer_nid,
-                                __u32 peer_ip, int port);
+				struct sockaddr *sa);
 int lnet_count_acceptor_nets(void);
 int lnet_acceptor_timeout(void);
 int lnet_acceptor_port(void);
@@ -787,9 +809,10 @@ struct lnet_inetdev {
 };
 
 int lnet_inet_enumerate(struct lnet_inetdev **dev_list, struct net *ns);
-int lnet_sock_setbuf(struct socket *socket, int txbufsize, int rxbufsize);
-int lnet_sock_getbuf(struct socket *socket, int *txbufsize, int *rxbufsize);
-int lnet_sock_getaddr(struct socket *socket, bool remote, __u32 *ip, int *port);
+void lnet_sock_setbuf(struct socket *socket, int txbufsize, int rxbufsize);
+void lnet_sock_getbuf(struct socket *socket, int *txbufsize, int *rxbufsize);
+int lnet_sock_getaddr(struct socket *socket, bool remote,
+		      struct sockaddr_storage *peer);
 int lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout);
 int lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout);
 
@@ -843,8 +866,7 @@ void lnet_peer_push_event(struct lnet_event *ev);
 
 int lnet_parse_ip2nets(const char **networksp, const char *ip2nets);
 int lnet_parse_routes(const char *route_str, int *im_a_router);
-int lnet_parse_networks(struct list_head *nilist, const char *networks,
-			bool use_tcp_bonding);
+int lnet_parse_networks(struct list_head *nilist, const char *networks);
 bool lnet_net_unique(__u32 net_id, struct list_head *nilist,
 		     struct lnet_net **net);
 bool lnet_ni_unique_net(struct list_head *nilist, char *iface);
@@ -868,6 +890,7 @@ struct lnet_peer *lnet_find_peer(lnet_nid_t nid);
 void lnet_peer_net_added(struct lnet_net *net);
 lnet_nid_t lnet_peer_primary_nid_locked(lnet_nid_t nid);
 int lnet_discover_peer_locked(struct lnet_peer_ni *lpni, int cpt, bool block);
+void lnet_peer_queue_message(struct lnet_peer *lp, struct lnet_msg *msg);
 int lnet_peer_discovery_start(void);
 void lnet_peer_discovery_stop(void);
 void lnet_push_update_to_peers(int force);
@@ -895,6 +918,13 @@ int lnet_get_peer_ni_info(__u32 peer_index, __u64 *nid,
 			  __u32 *peer_tx_qnob);
 int lnet_get_peer_ni_hstats(struct lnet_ioctl_peer_ni_hstats *stats);
 
+static inline void
+lnet_peer_net_set_sel_priority_locked(struct lnet_peer_net *lpn, __u32 priority)
+{
+	lpn->lpn_sel_priority = priority;
+}
+
+
 static inline struct lnet_peer_net *
 lnet_find_peer_net_locked(struct lnet_peer *peer, __u32 net_id)
 {
@@ -941,6 +971,8 @@ lnet_peer_needs_push(struct lnet_peer *lp)
 {
 	if (!(lp->lp_state & LNET_PEER_MULTI_RAIL))
 		return false;
+	if (lp->lp_state & LNET_PEER_MARK_DELETED)
+		return false;
 	if (lp->lp_state & LNET_PEER_FORCE_PUSH)
 		return true;
 	if (lp->lp_state & LNET_PEER_NO_DISCOVERY)
@@ -953,6 +985,34 @@ lnet_peer_needs_push(struct lnet_peer *lp)
 	return false;
 }
 
+#define LNET_RECOVERY_INTERVAL_MAX 900
+static inline unsigned int
+lnet_get_next_recovery_ping(unsigned int ping_count, time64_t now)
+{
+	unsigned int interval;
+
+	/* 2^9 = 512, 2^10 = 1024 */
+	if (ping_count > 9)
+		interval = LNET_RECOVERY_INTERVAL_MAX;
+	else
+		interval = 1 << ping_count;
+
+	return now + interval;
+}
+
+static inline void
+lnet_peer_ni_set_next_ping(struct lnet_peer_ni *lpni, time64_t now)
+{
+	lpni->lpni_next_ping =
+		lnet_get_next_recovery_ping(lpni->lpni_ping_count, now);
+}
+
+static inline void
+lnet_ni_set_next_ping(struct lnet_ni *ni, time64_t now)
+{
+	ni->ni_next_ping = lnet_get_next_recovery_ping(ni->ni_ping_count, now);
+}
+
 /*
  * A peer NI is alive if it satisfies the following two conditions:
  *  1. peer NI health >= LNET_MAX_HEALTH_VALUE * router_sensitivity_percentage
@@ -1041,6 +1101,18 @@ lnet_inc_healthv(atomic_t *healthv, int value)
 	lnet_atomic_add_unless_max(healthv, value, LNET_MAX_HEALTH_VALUE);
 }
 
+static inline int
+lnet_get_list_len(struct list_head *list)
+{
+	struct list_head *l;
+	int count = 0;
+
+	list_for_each(l, list)
+		count++;
+
+	return count;
+}
+
 void lnet_incr_stats(struct lnet_element_stats *stats,
 		     enum lnet_msg_type msg_type,
 		     enum lnet_stats_type stats_type);
@@ -1051,4 +1123,16 @@ __u32 lnet_sum_stats(struct lnet_element_stats *stats,
 void lnet_usr_translate_stats(struct lnet_ioctl_element_msg_stats *msg_stats,
 			      struct lnet_element_stats *stats);
 
+static inline void
+lnet_set_route_aliveness(struct lnet_route *route, bool alive)
+{
+	bool old = atomic_xchg(&route->lr_alive, alive);
+
+	if (old != alive)
+		CERROR("route to %s through %s has gone from %s to %s\n",
+		       libcfs_net2str(route->lr_net),
+		       libcfs_nid2str(route->lr_gateway->lp_primary_nid),
+		       old ? "up" : "down",
+		       alive ? "up" : "down");
+}
 #endif