* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/** exclusive lock */
#define LNET_LOCK_EX CFS_PERCPT_LOCK_EX
+/* default timeout */
+#define DEFAULT_PEER_TIMEOUT 180
+
static inline int lnet_is_route_alive(struct lnet_route *route)
{
if (!route->lr_gateway->lpni_alive)
}
static inline void
+lnet_peer_net_addref_locked(struct lnet_peer_net *lpn)
+{
+ atomic_inc(&lpn->lpn_refcount);
+}
+
+extern void lnet_destroy_peer_net_locked(struct lnet_peer_net *lpn);
+
+static inline void
+lnet_peer_net_decref_locked(struct lnet_peer_net *lpn)
+{
+ if (atomic_dec_and_test(&lpn->lpn_refcount))
+ lnet_destroy_peer_net_locked(lpn);
+}
+
+static inline void
+lnet_peer_addref_locked(struct lnet_peer *lp)
+{
+ atomic_inc(&lp->lp_refcount);
+}
+
+extern void lnet_destroy_peer_locked(struct lnet_peer *lp);
+
+static inline void
+lnet_peer_decref_locked(struct lnet_peer *lp)
+{
+ if (atomic_dec_and_test(&lp->lp_refcount))
+ lnet_destroy_peer_locked(lp);
+}
+
+static inline void
lnet_peer_ni_addref_locked(struct lnet_peer_ni *lp)
{
LASSERT(atomic_read(&lp->lpni_refcount) > 0);
int lnet_lib_init(void);
void lnet_lib_exit(void);
+extern unsigned lnet_transaction_timeout;
extern unsigned int lnet_numa_range;
+extern unsigned int lnet_peer_discovery_disabled;
extern int portal_rotor;
int lnet_notify(struct lnet_ni *ni, lnet_nid_t peer, int alive,
- cfs_time_t when);
+ time64_t when);
void lnet_notify_locked(struct lnet_peer_ni *lp, int notifylnd, int alive,
- cfs_time_t when);
+ time64_t when);
int lnet_add_route(__u32 net, __u32 hops, lnet_nid_t gateway_nid,
unsigned int priority);
int lnet_check_routes(void);
extern int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand);
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);
-void lnet_proc_init(void);
-void lnet_proc_fini(void);
+void lnet_router_debugfs_init(void);
+void lnet_router_debugfs_fini(void);
int lnet_rtrpools_alloc(int im_a_router);
void lnet_destroy_rtrbuf(struct lnet_rtrbuf *rb, int npages);
int lnet_rtrpools_adjust(int tiny, int small, int large);
void lnet_finalize(struct lnet_msg *msg, int rc);
void lnet_drop_message(struct lnet_ni *ni, int cpt, void *private,
- unsigned int nob);
+ unsigned int nob, __u32 msg_type);
void lnet_drop_delayed_msg_list(struct list_head *head, char *reason);
void lnet_recv_delayed_msg_list(struct list_head *head);
return atomic_read(&pbuf->pb_refcnt);
}
+static inline int lnet_push_target_resize_needed(void)
+{
+ return the_lnet.ln_push_target->pb_nnis < the_lnet.ln_push_target_nnis;
+}
+
+int lnet_push_target_resize(void);
+void lnet_peer_push_event(struct lnet_event *ev);
+
int lnet_parse_ip2nets(char **networksp, char *ip2nets);
int lnet_parse_routes(char *route_str, int *im_a_router);
int lnet_parse_networks(struct list_head *nilist, char *networks,
struct lnet_peer_ni *lnet_get_next_peer_ni_locked(struct lnet_peer *peer,
struct lnet_peer_net *peer_net,
struct lnet_peer_ni *prev);
-struct lnet_peer_ni *lnet_nid2peerni_locked(lnet_nid_t nid, int cpt);
+struct lnet_peer_ni *lnet_nid2peerni_locked(lnet_nid_t nid, lnet_nid_t pref,
+ int cpt);
struct lnet_peer_ni *lnet_nid2peerni_ex(lnet_nid_t nid, int cpt);
struct lnet_peer_ni *lnet_find_peer_ni_locked(lnet_nid_t nid);
+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);
+int lnet_peer_discovery_start(void);
+void lnet_peer_discovery_stop(void);
+void lnet_push_update_to_peers(int force);
void lnet_peer_tables_cleanup(struct lnet_net *net);
void lnet_peer_uninit(void);
int lnet_peer_tables_create(void);
void lnet_debug_peer(lnet_nid_t nid);
struct lnet_peer_net *lnet_peer_get_net_locked(struct lnet_peer *peer,
__u32 net_id);
-bool lnet_peer_is_ni_pref_locked(struct lnet_peer_ni *lpni,
- struct lnet_ni *ni);
+bool lnet_peer_is_pref_nid_locked(struct lnet_peer_ni *lpni, lnet_nid_t nid);
+int lnet_peer_ni_set_non_mr_pref_nid(struct lnet_peer_ni *lpni, lnet_nid_t nid);
int lnet_add_peer_ni(lnet_nid_t key_nid, lnet_nid_t nid, bool mr);
int lnet_del_peer_ni(lnet_nid_t key_nid, lnet_nid_t nid);
-int lnet_get_peer_info(__u32 idx, lnet_nid_t *primary_nid, lnet_nid_t *nid,
- bool *mr,
- struct lnet_peer_ni_credit_info __user *peer_ni_info,
- struct lnet_ioctl_element_stats __user *peer_ni_stats);
+int lnet_get_peer_info(struct lnet_ioctl_peer_cfg *cfg, void __user *bulk);
int lnet_get_peer_ni_info(__u32 peer_index, __u64 *nid,
char alivness[LNET_MAX_STR_LEN],
__u32 *cpt_iter, __u32 *refcount,
__u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis,
__u32 *peer_tx_qnob);
-
-static inline __u32
-lnet_get_num_peer_nis(struct lnet_peer *peer)
-{
- struct lnet_peer_net *lpn;
- struct lnet_peer_ni *lpni;
- __u32 count = 0;
-
- list_for_each_entry(lpn, &peer->lp_peer_nets, lpn_on_peer_list)
- list_for_each_entry(lpni, &lpn->lpn_peer_nis,
- lpni_on_peer_net_list)
- count++;
-
- return count;
-}
-
static inline bool
lnet_is_peer_ni_healthy_locked(struct lnet_peer_ni *lpni)
{
struct lnet_peer_ni *lpni;
list_for_each_entry(lpni, &peer_net->lpn_peer_nis,
- lpni_on_peer_net_list) {
+ lpni_peer_nis) {
if (lnet_is_peer_ni_healthy_locked(lpni))
return true;
}
{
struct lnet_peer_net *peer_net;
- list_for_each_entry(peer_net, &peer->lp_peer_nets, lpn_on_peer_list) {
+ list_for_each_entry(peer_net, &peer->lp_peer_nets, lpn_peer_nets) {
if (lnet_is_peer_net_healthy_locked(peer_net))
return true;
}
return false;
}
+static inline struct lnet_peer_net *
+lnet_find_peer_net_locked(struct lnet_peer *peer, __u32 net_id)
+{
+ struct lnet_peer_net *peer_net;
+
+ list_for_each_entry(peer_net, &peer->lp_peer_nets, lpn_peer_nets) {
+ if (peer_net->lpn_net_id == net_id)
+ return peer_net;
+ }
+
+ return NULL;
+}
+
static inline void
lnet_peer_set_alive(struct lnet_peer_ni *lp)
{
- lp->lpni_last_alive = lp->lpni_last_query = cfs_time_current();
+ lp->lpni_last_alive = ktime_get_seconds();
+ lp->lpni_last_query = lp->lpni_last_alive;
if (!lp->lpni_alive)
lnet_notify_locked(lp, 0, 1, lp->lpni_last_alive);
}
return false;
}
+static inline bool
+lnet_peer_ni_is_configured(struct lnet_peer_ni *lpni)
+{
+ if (lpni->lpni_peer_net->lpn_peer->lp_state & LNET_PEER_CONFIGURED)
+ return true;
+ return false;
+}
+
+static inline bool
+lnet_peer_ni_is_primary(struct lnet_peer_ni *lpni)
+{
+ return lpni->lpni_nid == lpni->lpni_peer_net->lpn_peer->lp_primary_nid;
+}
+
+bool lnet_peer_is_uptodate(struct lnet_peer *lp);
+
+static inline bool
+lnet_peer_needs_push(struct lnet_peer *lp)
+{
+ if (!(lp->lp_state & LNET_PEER_MULTI_RAIL))
+ return false;
+ if (lp->lp_state & LNET_PEER_FORCE_PUSH)
+ return true;
+ if (lp->lp_state & LNET_PEER_NO_DISCOVERY)
+ return false;
+ if (lp->lp_node_seqno < atomic_read(&the_lnet.ln_ping_target_seqno))
+ return true;
+ return false;
+}
+
+void lnet_incr_stats(struct lnet_element_stats *stats,
+ enum lnet_msg_type msg_type,
+ enum lnet_stats_type stats_type);
+
+__u32 lnet_sum_stats(struct lnet_element_stats *stats,
+ enum lnet_stats_type stats_type);
+
+void lnet_usr_translate_stats(struct lnet_ioctl_element_msg_stats *msg_stats,
+ struct lnet_element_stats *stats);
+
#endif