* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __LNET_LIB_LNET_H__
#define __LNET_LIB_LNET_H__
-#if defined(__linux__)
-#include <lnet/linux/lib-lnet.h>
-#elif defined(__APPLE__)
-#include <lnet/darwin/lib-lnet.h>
-#else
-#error Unsupported Operating System
-#endif
+#define LNET_ROUTER
#include <libcfs/libcfs.h>
#include <lnet/types.h>
#include <lnet/lnet.h>
#include <lnet/lib-types.h>
+#include <lnet/lib-dlc.h>
extern lnet_t the_lnet; /* THE network */
return lp->lp_rtr_refcount != 0;
}
+/* check if it's a router checker ping */
+static inline int
+lnet_msg_is_rc_ping(struct lnet_msg *msg)
+{
+ lnet_hdr_t *hdr = &msg->msg_hdr;
+
+ return msg->msg_type == LNET_MSG_GET &&
+ hdr->msg.get.ptl_index == cpu_to_le32(LNET_RESERVED_PORTAL) &&
+ hdr->msg.get.match_bits ==
+ cpu_to_le64(LNET_PROTO_PING_MATCHBITS);
+}
+
+/* peer aliveness is enabled in a network where lnet_ni_t::ni_peertimeout has
+ * been set to a positive value, it's only valid for router peers or peers on
+ * routers.
+ */
+static inline int
+lnet_peer_aliveness_enabled(struct lnet_peer *lp)
+{
+ if (lp->lp_ni->ni_peertimeout <= 0)
+ return 0;
+
+ return the_lnet.ln_routing || lnet_isrouter(lp);
+}
+
static inline void
lnet_ni_addref_locked(lnet_ni_t *ni, int cpt)
{
}
extern lnd_t the_lolnd;
+extern int avoid_asym_router_failure;
#ifndef __KERNEL__
/* unconditional registration */
void lnet_destroy_routes(void);
int lnet_get_route(int idx, __u32 *net, __u32 *hops,
lnet_nid_t *gateway, __u32 *alive, __u32 *priority);
+int lnet_get_net_config(int idx,
+ __u32 *cpt_count,
+ __u64 *nid,
+ int *peer_timeout,
+ int *peer_tx_credits,
+ int *peer_rtr_cr,
+ int *max_tx_credits,
+ struct lnet_ioctl_net_config *net_config);
+int lnet_get_rtr_pool_cfg(int idx, struct lnet_ioctl_pool_cfg *pool_cfg);
+
void lnet_proc_init(void);
void lnet_proc_fini(void);
int lnet_rtrpools_alloc(int im_a_router);
-void lnet_rtrpools_free(void);
+void lnet_destroy_rtrbuf(lnet_rtrbuf_t *rb, int npages);
+int lnet_rtrpools_adjust(int tiny, int small, int large);
+int lnet_rtrpools_enable(void);
+void lnet_rtrpools_disable(void);
+void lnet_rtrpools_free(int keep_pools);
lnet_remotenet_t *lnet_find_net_locked (__u32 net);
+int lnet_dyn_add_ni(lnet_pid_t requested_pid, char *nets,
+ __s32 peer_timeout, __s32 peer_cr, __s32 peer_buf_cr,
+ __s32 credits);
+int lnet_dyn_del_ni(__u32 net);
int lnet_islocalnid(lnet_nid_t nid);
int lnet_islocalnet(__u32 net);
int lnet_send(lnet_nid_t nid, lnet_msg_t *msg, lnet_nid_t rtr_nid);
void lnet_return_tx_credits_locked(lnet_msg_t *msg);
void lnet_return_rx_credits_locked(lnet_msg_t *msg);
+void lnet_schedule_blocked_locked(lnet_rtrbufpool_t *rbp);
+void lnet_drop_routed_msgs_locked(struct list_head *list, int cpt);
/* portals functions */
/* portals attributes */
/* message functions */
int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr,
lnet_nid_t fromnid, void *private, int rdma_req);
+int lnet_parse_local(lnet_ni_t *ni, lnet_msg_t *msg);
+int lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg);
+
void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
unsigned int offset, unsigned int mlen, unsigned int rlen);
+void lnet_ni_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);
+
+void lnet_drop_message(lnet_ni_t *ni, int cpt, void *private,
+ unsigned int nob);
void lnet_drop_delayed_msg_list(struct list_head *head, char *reason);
void lnet_recv_delayed_msg_list(struct list_head *head);
void lnet_print_hdr (lnet_hdr_t * hdr);
int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
+/** \addtogroup lnet_fault_simulation @{ */
+
+int lnet_fault_ctl(int cmd, struct libcfs_ioctl_data *data);
+int lnet_fault_init(void);
+void lnet_fault_fini(void);
+
+bool lnet_drop_rule_match(lnet_hdr_t *hdr);
+
+int lnet_delay_rule_add(struct lnet_fault_attr *attr);
+int lnet_delay_rule_del(lnet_nid_t src, lnet_nid_t dst, bool shutdown);
+int lnet_delay_rule_list(int pos, struct lnet_fault_attr *attr,
+ struct lnet_fault_stat *stat);
+void lnet_delay_rule_reset(void);
+void lnet_delay_rule_check(void);
+bool lnet_delay_rule_match_locked(lnet_hdr_t *hdr, struct lnet_msg *msg);
+
+/** @} lnet_fault_simulation */
+
void lnet_counters_get(lnet_counters_t *counters);
void lnet_counters_reset(void);
unsigned int soffset, unsigned int nob);
static inline void
-lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
+lnet_copy_iov2flat(int dlen, __user void *dest, unsigned int doffset,
unsigned int nsiov, struct iovec *siov, unsigned int soffset,
unsigned int 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)
+lnet_copy_kiov2flat(int dlen, void __user *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};
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)
+ int slen, void __user *src, unsigned int soffset,
+ unsigned int nob)
{
struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
lnet_copy_iov2iov(ndiov, diov, doffset,
}
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)
+lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov,
+ unsigned int doffset, int slen, void __user *src,
+ unsigned int soffset, unsigned int nob)
{
struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
lnet_copy_iov2kiov(ndiov, dkiov, doffset,
int lnet_router_checker_start(void);
void lnet_router_checker_stop(void);
+void lnet_router_ni_update_locked(lnet_peer_t *gw, __u32 net);
void lnet_swap_pinginfo(lnet_ping_info_t *info);
-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(struct list_head *nilist, char *networks);
+int lnet_net_unique(__u32 net, struct list_head *nilist);
int lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid, int cpt);
lnet_peer_t *lnet_find_peer_locked(struct lnet_peer_table *ptable,
void lnet_peer_tables_destroy(void);
int lnet_peer_tables_create(void);
void lnet_debug_peer(lnet_nid_t nid);
+int lnet_get_peer_info(__u32 peer_index, __u64 *nid,
+ char alivness[LNET_MAX_STR_LEN],
+ __u32 *cpt_iter, __u32 *refcount,
+ __u32 *ni_peer_tx_credits, __u32 *peer_tx_credits,
+ __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis,
+ __u32 *peer_tx_qnob);
+
+static inline void
+lnet_peer_set_alive(lnet_peer_t *lp)
+{
+ lp->lp_last_alive = lp->lp_last_query = cfs_time_current();
+ if (!lp->lp_alive)
+ lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
+}
#ifndef __KERNEL__
static inline int