/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
# else /* 64-bit system */
/*
* 256 CPTs for thousands of CPUs, allowing more CPTs might make us
- * under risk of consuming all lh_cooke.
+ * under risk of consuming all lh_cookie.
*/
# define LNET_CPT_MAX_BITS 8
# endif /* BITS_PER_LONG == 32 */
/** exclusive lock */
#define LNET_LOCK_EX CFS_PERCPT_LOCK_EX
+static inline int lnet_is_route_alive(lnet_route_t *route)
+{
+ if (!route->lr_gateway->lp_alive)
+ return 0; /* gateway is down */
+ if ((route->lr_gateway->lp_ping_feats &
+ LNET_PING_FEAT_NI_STATUS) == 0)
+ return 1; /* no NI status, assume it's alive */
+ /* has NI status, check # down NIs */
+ return route->lr_downis == 0;
+}
+
static inline int lnet_is_wire_handle_none (lnet_handle_wire_t *wh)
{
return (wh->wh_interface_cookie == LNET_WIRE_HANDLE_COOKIE_NONE &&
#ifdef __KERNEL__
-#define lnet_ptl_lock(ptl) cfs_spin_lock(&(ptl)->ptl_lock)
-#define lnet_ptl_unlock(ptl) cfs_spin_unlock(&(ptl)->ptl_lock)
-#define lnet_eq_wait_lock() cfs_spin_lock(&the_lnet.ln_eq_wait_lock)
-#define lnet_eq_wait_unlock() cfs_spin_unlock(&the_lnet.ln_eq_wait_lock)
-#define lnet_ni_lock(ni) cfs_spin_lock(&(ni)->ni_lock)
-#define lnet_ni_unlock(ni) cfs_spin_unlock(&(ni)->ni_lock)
-#define LNET_MUTEX_LOCK(m) cfs_mutex_lock(m)
-#define LNET_MUTEX_UNLOCK(m) cfs_mutex_unlock(m)
+#define lnet_ptl_lock(ptl) spin_lock(&(ptl)->ptl_lock)
+#define lnet_ptl_unlock(ptl) spin_unlock(&(ptl)->ptl_lock)
+#define lnet_eq_wait_lock() spin_lock(&the_lnet.ln_eq_wait_lock)
+#define lnet_eq_wait_unlock() spin_unlock(&the_lnet.ln_eq_wait_lock)
+#define lnet_ni_lock(ni) spin_lock(&(ni)->ni_lock)
+#define lnet_ni_unlock(ni) spin_unlock(&(ni)->ni_lock)
+#define LNET_MUTEX_LOCK(m) mutex_lock(m)
+#define LNET_MUTEX_UNLOCK(m) mutex_unlock(m)
#else /* !__KERNEL__ */
if (msg != NULL) {
/* NULL pointers, clear flags etc */
memset(msg, 0, sizeof(*msg));
-#ifdef CRAY_XT3
- msg->msg_ev.uid = LNET_UID_ANY;
-#endif
}
return msg;
}
LIBCFS_ALLOC(msg, sizeof(*msg));
/* no need to zero, LIBCFS_ALLOC does for us */
-
-#ifdef CRAY_XT3
- if (msg != NULL) {
- msg->msg_ev.uid = LNET_UID_ANY;
- }
-#endif
return (msg);
}
static inline int
lnet_nid2peerhash(lnet_nid_t nid)
{
- return cfs_hash_long(nid, LNET_PEER_HASH_BITS);
+ return hash_long(nid, LNET_PEER_HASH_BITS);
+}
+
+static inline cfs_list_t *
+lnet_net2rnethash(__u32 net)
+{
+ return &the_lnet.ln_remote_nets_hash[(LNET_NETNUM(net) +
+ LNET_NETTYP(net)) &
+ ((1U << the_lnet.ln_remote_nets_hbits) - 1)];
}
extern lnd_t the_lolnd;
} 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 int lnet_cpt_of_nid_locked(lnet_nid_t nid);
extern int lnet_cpt_of_nid(lnet_nid_t nid);
extern lnet_ni_t *lnet_nid2ni_locked(lnet_nid_t nid, int cpt);
extern lnet_ni_t *lnet_net2ni_locked(__u32 net, int cpt);
-static inline lnet_ni_t *
-lnet_net2ni(__u32 net)
-{
- lnet_ni_t *ni;
-
- lnet_net_lock(0);
- ni = lnet_net2ni_locked(net, 0);
- lnet_net_unlock(0);
-
- return ni;
-}
+extern lnet_ni_t *lnet_net2ni(__u32 net);
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_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid,
+ unsigned int priority);
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);
+ lnet_nid_t *gateway, __u32 *alive, __u32 *priority);
void lnet_proc_init(void);
void lnet_proc_fini(void);
int lnet_rtrpools_alloc(int im_a_router);
lnet_process_id_t id, __u64 mbits,
__u64 ignore_bits,
lnet_ins_pos_t pos);
-struct lnet_match_table *lnet_mt_of_match(unsigned int index,
- lnet_process_id_t id, __u64 mbits);
int lnet_mt_match_md(struct lnet_match_table *mtable,
struct lnet_match_info *info, struct lnet_msg *msg);