lnet_nid_t msg_from;
__u32 msg_type;
+ /*
+ * hold parameters in case message is with held due
+ * to discovery
+ */
+ lnet_nid_t msg_src_nid_param;
+ lnet_nid_t msg_rtr_nid_param;
+
/* committed for sending */
unsigned int msg_tx_committed:1;
/* CPT # this message committed for sending */
LNET_NI_STATE_DELETING
};
+enum lnet_stats_type {
+ LNET_STATS_TYPE_SEND = 0,
+ LNET_STATS_TYPE_RECV,
+ LNET_STATS_TYPE_DROP
+};
+
+struct lnet_comm_count {
+ atomic_t co_get_count;
+ atomic_t co_put_count;
+ atomic_t co_reply_count;
+ atomic_t co_ack_count;
+ atomic_t co_hello_count;
+};
+
struct lnet_element_stats {
- atomic_t send_count;
- atomic_t recv_count;
- atomic_t drop_count;
+ struct lnet_comm_count el_send_stats;
+ struct lnet_comm_count el_recv_stats;
+ struct lnet_comm_count el_drop_stats;
};
struct lnet_net {
#define LNET_PING_BUFFER_LONI(PBUF) ((PBUF)->pb_info.pi_ni[0].ns_nid)
#define LNET_PING_BUFFER_SEQNO(PBUF) ((PBUF)->pb_info.pi_ni[0].ns_status)
+#define LNET_PING_INFO_TO_BUFFER(PINFO) \
+ container_of((PINFO), struct lnet_ping_buffer, pb_info)
/* router checker data, per router */
typedef struct lnet_rc_data {
/* list of peer nets */
struct list_head lp_peer_nets;
+ /* list of messages pending discovery*/
+ struct list_head lp_dc_pendq;
+
/* primary NID of the peer */
lnet_nid_t lp_primary_nid;
/* peer state flags */
unsigned lp_state;
+ /* buffer for data pushed by peer */
+ struct lnet_ping_buffer *lp_data;
+
+ /* MD handle for ping in progress */
+ lnet_handle_md_t lp_ping_mdh;
+
+ /* MD handle for push in progress */
+ lnet_handle_md_t lp_push_mdh;
+
+ /* number of NIDs for sizing push data */
+ int lp_data_nnis;
+
+ /* NI config sequence number of peer */
+ __u32 lp_peer_seqno;
+
+ /* Local NI config sequence number acked by peer */
+ __u32 lp_node_seqno;
+
+ /* Local NI config sequence number sent to peer */
+ __u32 lp_node_seqno_sent;
+
+ /* Ping error encountered during discovery. */
+ int lp_ping_error;
+
+ /* Push error encountered during discovery. */
+ int lp_push_error;
+
+ /* Error encountered during discovery. */
+ int lp_dc_error;
+
+ /* time it was put on the ln_dc_working queue */
+ time64_t lp_last_queued;
+
/* link on discovery-related lists */
struct list_head lp_dc_list;
* pt_hash[...]
* pt_peer_list
* pt_peers
- * pt_peer_nnids
* protected by pt_zombie_lock:
* pt_zombie_list
* pt_zombies
struct list_head *pt_hash; /* NID->peer hash */
struct list_head pt_peer_list; /* peers */
int pt_peers; /* # peers */
- int pt_peer_nnids; /* # NIDS on listed peers */
struct list_head pt_zombie_list; /* zombie peer_ni */
int pt_zombies; /* # zombie peers_ni */
spinlock_t pt_zombie_lock; /* protect list and count */
#define LNET_CREDIT_OK 0
/** lnet message is waiting for credit */
#define LNET_CREDIT_WAIT 1
+/** lnet message is waiting for discovery */
+#define LNET_DC_WAIT 2
typedef struct lnet_rtrbufpool {
/* my free buffer pool */
struct lnet_ping_buffer *ln_ping_target;
atomic_t ln_ping_target_seqno;
+ /*
+ * Push Target
+ *
+ * ln_push_nnis contains the desired size of the push target.
+ * The lnet_net_lock is used to handle update races. The old
+ * buffer may linger a while after it has been unlinked, in
+ * which case the event handler cleans up.
+ */
+ lnet_handle_eq_t ln_push_target_eq;
+ lnet_handle_md_t ln_push_target_md;
+ struct lnet_ping_buffer *ln_push_target;
+ int ln_push_target_nnis;
+
/* discovery event queue handle */
lnet_handle_eq_t ln_dc_eqh;
/* discovery requests */
struct list_head ln_dc_request;
/* discovery working list */
struct list_head ln_dc_working;
+ /* discovery expired list */
+ struct list_head ln_dc_expired;
/* discovery thread wait queue */
wait_queue_head_t ln_dc_waitq;
/* discovery startup/shutdown state */