/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*
* Author: Zach Brown <zab@zabbo.net>
* Author: Peter J. Braam <braam@clusterfs.com>
tcp_sendpage(sk, page, offset, size, flags)
#endif /* HAVE_TCP_SENDPAGE_USE_SOCKET */
+#ifndef NETIF_F_CSUM_MASK
+# define NETIF_F_CSUM_MASK NETIF_F_ALL_CSUM
+#endif
+
/* assume one thread for each connection type */
#define SOCKNAL_NSCHEDS 3
#define SOCKNAL_NSCHEDS_HIGH (SOCKNAL_NSCHEDS << 1)
-#define SOCKNAL_PEER_HASH_SIZE 101 /* # peer lists */
+#define SOCKNAL_PEER_HASH_SIZE 101 /* # peer_ni lists */
#define SOCKNAL_RESCHED 100 /* # scheduler loops before reschedule */
#define SOCKNAL_INSANITY_RECONN 5000 /* connd is trying on reconn infinitely */
#define SOCKNAL_ENOMEM_RETRY CFS_TICK /* jiffies between retries */
struct page *kss_rx_scratch_pgs[LNET_MAX_IOV];
#endif
#if !SOCKNAL_SINGLE_FRAG_TX || !SOCKNAL_SINGLE_FRAG_RX
- struct iovec kss_scratch_iov[LNET_MAX_IOV];
+ struct kvec kss_scratch_iov[LNET_MAX_IOV];
#endif
} ksock_sched_t;
int *ksnd_keepalive_count; /* # probes */
int *ksnd_keepalive_intvl; /* time between probes */
int *ksnd_credits; /* # concurrent sends */
- int *ksnd_peertxcredits; /* # concurrent sends to 1 peer */
- int *ksnd_peerrtrcredits; /* # per-peer router buffer credits */
- int *ksnd_peertimeout; /* seconds to consider peer dead */
+ int *ksnd_peertxcredits; /* # concurrent sends to 1 peer_ni */
+ int *ksnd_peerrtrcredits; /* # per-peer_ni router buffer credits */
+ int *ksnd_peertimeout; /* seconds to consider peer_ni dead */
int *ksnd_enable_csum; /* enable check sum */
int *ksnd_inject_csum_error; /* set non-zero to inject checksum error */
int *ksnd_nonblk_zcack; /* always send zc-ack on non-blocking connection */
#if SOCKNAL_VERSION_DEBUG
int *ksnd_protocol; /* protocol version */
#endif
-#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
- struct ctl_table_header *ksnd_sysctl; /* sysctl interface */
-#endif
} ksock_tunables_t;
typedef struct
int ksnd_init; /* initialisation state */
int ksnd_nnets; /* # networks set up */
struct list_head ksnd_nets; /* list of nets */
- /* stabilize peer/conn ops */
+ /* stabilize peer_ni/conn ops */
rwlock_t ksnd_global_lock;
/* hash table of all my known peers */
struct list_head *ksnd_peers;
/* # connds connecting */
int ksnd_connd_connecting;
/** time stamp of the last failed connecting attempt */
- long ksnd_connd_failed_stamp;
+ time64_t ksnd_connd_failed_stamp;
/** # starting connd */
unsigned ksnd_connd_starting;
/** time stamp of the last starting connd */
- long ksnd_connd_starting_stamp;
+ time64_t ksnd_connd_starting_stamp;
/** # running connd */
unsigned ksnd_connd_running;
/* serialise */
#define SOCKNAL_INIT_ALL 2
/* A packet just assembled for transmission is represented by 1 or more
- * struct iovec fragments (the first frag contains the portals header),
+ * struct kvec fragments (the first frag contains the portals header),
* followed by 0 or more lnet_kiov_t fragments.
*
- * On the receive side, initially 1 struct iovec fragment is posted for
+ * On the receive side, initially 1 struct kvec fragment is posted for
* receive (the header). Once the header has been received, the payload is
- * received into either struct iovec or lnet_kiov_t fragments, depending on
+ * received into either struct kvec or lnet_kiov_t fragments, depending on
* what the header matched or whether the message needs forwarding. */
struct ksock_conn; /* forward ref */
typedef struct /* transmit packet */
{
struct list_head tx_list; /* queue on conn for transmission etc */
- struct list_head tx_zc_list; /* queue on peer for ZC request */
+ struct list_head tx_zc_list; /* queue on peer_ni for ZC request */
atomic_t tx_refcount; /* tx reference count */
int tx_nob; /* # packet bytes */
int tx_resid; /* residual bytes */
- int tx_niov; /* # packet iovec frags */
- struct iovec *tx_iov; /* packet iovec frags */
+ int tx_niov; /* # packet kvec frags */
+ struct kvec *tx_iov; /* packet kvec frags */
int tx_nkiov; /* # packet page frags */
unsigned short tx_zc_aborted; /* aborted ZC request */
unsigned short tx_zc_capable:1; /* payload is large enough for ZC */
unsigned short tx_nonblk:1; /* it's a non-blocking ACK */
lnet_kiov_t *tx_kiov; /* packet page frags */
struct ksock_conn *tx_conn; /* owning conn */
- lnet_msg_t *tx_lnetmsg; /* lnet message for lnet_finalize() */
+ struct lnet_msg *tx_lnetmsg; /* lnet message for lnet_finalize() */
cfs_time_t tx_deadline; /* when (in jiffies) tx times out */
- ksock_msg_t tx_msg; /* socklnd message buffer */
+ struct ksock_msg tx_msg; /* socklnd message buffer */
int tx_desc_size; /* size of this descriptor */
union {
struct {
- struct iovec iov; /* virt hdr */
- lnet_kiov_t kiov[0]; /* paged payload */
+ struct kvec iov; /* virt hdr */
+ lnet_kiov_t kiov[0]; /* paged payload */
} paged;
struct {
- struct iovec iov[1]; /* virt hdr + payload */
+ struct kvec iov[1]; /* virt hdr + payload */
} virt;
} tx_frags;
} ksock_tx_t;
/* space for the rx frag descriptors; we either read a single contiguous
* header, or up to LNET_MAX_IOV frags of payload of either type. */
typedef union {
- struct iovec iov[LNET_MAX_IOV];
+ struct kvec iov[LNET_MAX_IOV];
lnet_kiov_t kiov[LNET_MAX_IOV];
} ksock_rxiovspace_t;
typedef struct ksock_conn
{
- struct ksock_peer *ksnc_peer; /* owning peer */
+ struct ksock_peer *ksnc_peer; /* owning peer_ni */
struct ksock_route *ksnc_route; /* owning route */
- struct list_head ksnc_list; /* stash on peer's conn list */
+ struct list_head ksnc_list; /* stash on peer_ni's conn list */
struct socket *ksnc_sock; /* actual socket */
void *ksnc_saved_data_ready; /* socket's original data_ready() callback */
void *ksnc_saved_write_space; /* socket's original write_space() callback */
atomic_t ksnc_sock_refcount; /* sock refcount */
ksock_sched_t *ksnc_scheduler; /* who schedules this connection */
__u32 ksnc_myipaddr; /* my IP */
- __u32 ksnc_ipaddr; /* peer's IP */
- int ksnc_port; /* peer's port */
+ __u32 ksnc_ipaddr; /* peer_ni's IP */
+ int ksnc_port; /* peer_ni's port */
signed int ksnc_type:3; /* type of connection,
* should be signed value */
unsigned int ksnc_closing:1; /* being shut down */
__u8 ksnc_rx_state; /* what is being read */
int ksnc_rx_nob_left; /* # bytes to next hdr/body */
int ksnc_rx_nob_wanted; /* bytes actually wanted */
- int ksnc_rx_niov; /* # iovec frags */
- struct iovec *ksnc_rx_iov; /* the iovec frags */
+ int ksnc_rx_niov; /* # kvec frags */
+ struct kvec *ksnc_rx_iov; /* the kvec frags */
int ksnc_rx_nkiov; /* # page frags */
lnet_kiov_t *ksnc_rx_kiov; /* the page frags */
ksock_rxiovspace_t ksnc_rx_iov_space;/* space for frag descriptors */
__u32 ksnc_rx_csum; /* partial checksum for incoming data */
void *ksnc_cookie; /* rx lnet_finalize passthru arg */
- ksock_msg_t ksnc_msg; /* incoming message buffer:
- * V2.x message takes the
- * whole struct
- * V1.x message is a bare
- * lnet_hdr_t, it's stored in
- * ksnc_msg.ksm_u.lnetmsg */
-
+ struct ksock_msg ksnc_msg; /* incoming message buffer:
+ * V2.x message takes the
+ * whole struct
+ * V1.x message is a bare
+ * struct lnet_hdr, it's stored
+ * in ksnc_msg.ksm_u.lnetmsg
+ */
/* -- WRITER -- */
/* where I enq waiting for output space */
struct list_head ksnc_tx_list;
typedef struct ksock_route
{
- struct list_head ksnr_list; /* chain on peer route list */
+ struct list_head ksnr_list; /* chain on peer_ni route list */
struct list_head ksnr_connd_list; /* chain on ksnr_connd_routes */
- struct ksock_peer *ksnr_peer; /* owning peer */
+ struct ksock_peer *ksnr_peer; /* owning peer_ni */
atomic_t ksnr_refcount; /* # users */
cfs_time_t ksnr_timeout; /* when (in jiffies) reconnection can happen next */
cfs_duration_t ksnr_retry_interval; /* how long between retries */
unsigned int ksnr_scheduled:1; /* scheduled for attention */
unsigned int ksnr_connecting:1;/* connection establishment in progress */
unsigned int ksnr_connected:4; /* connections established by type */
- unsigned int ksnr_deleted:1; /* been removed from peer? */
+ unsigned int ksnr_deleted:1; /* been removed from peer_ni? */
unsigned int ksnr_share_count; /* created explicitly? */
int ksnr_conn_count; /* # conns established by this route */
} ksock_route_t;
typedef struct ksock_peer
{
- struct list_head ksnp_list; /* stash on global peer list */
+ struct list_head ksnp_list; /* stash on global peer_ni list */
cfs_time_t ksnp_last_alive; /* when (in jiffies) I was last alive */
- lnet_process_id_t ksnp_id; /* who's on the other end(s) */
+ struct lnet_process_id ksnp_id; /* who's on the other end(s) */
atomic_t ksnp_refcount; /* # users */
int ksnp_sharecount; /* lconf usage counter */
int ksnp_closing; /* being closed */
int ksnp_accepting;/* # passive connections pending */
int ksnp_error; /* errno on closing last conn */
__u64 ksnp_zc_next_cookie;/* ZC completion cookie */
- __u64 ksnp_incarnation; /* latest known peer incarnation */
- struct ksock_proto *ksnp_proto; /* latest known peer protocol */
+ __u64 ksnp_incarnation; /* latest known peer_ni incarnation */
+ struct ksock_proto *ksnp_proto; /* latest known peer_ni protocol */
struct list_head ksnp_conns; /* all active connections */
struct list_head ksnp_routes; /* routes */
struct list_head ksnp_tx_queue; /* waiting packets */
/* zero copy requests wait for ACK */
struct list_head ksnp_zc_req_list;
cfs_time_t ksnp_send_keepalive; /* time to send keepalive */
- lnet_ni_t *ksnp_ni; /* which network */
+ struct lnet_ni *ksnp_ni; /* which network */
int ksnp_n_passive_ips; /* # of... */
__u32 ksnp_passive_ips[LNET_MAX_INTERFACES]; /* preferred local interfaces */
-} ksock_peer_t;
+} ksock_peer_ni_t;
typedef struct ksock_connreq
{
/* stash on ksnd_connd_connreqs */
struct list_head ksncr_list;
/* chosen NI */
- lnet_ni_t *ksncr_ni;
+ struct lnet_ni *ksncr_ni;
/* accepted socket */
struct socket *ksncr_sock;
} ksock_connreq_t;
typedef struct ksock_proto
{
int pro_version; /* version number of protocol */
- int (*pro_send_hello)(ksock_conn_t *, ksock_hello_msg_t *); /* handshake function */
- int (*pro_recv_hello)(ksock_conn_t *, ksock_hello_msg_t *, int);/* handshake function */
+ int (*pro_send_hello)(ksock_conn_t *, struct ksock_hello_msg *); /* handshake function */
+ int (*pro_recv_hello)(ksock_conn_t *, struct ksock_hello_msg *, int);/* handshake function */
void (*pro_pack)(ksock_tx_t *); /* message pack */
- void (*pro_unpack)(ksock_msg_t *); /* message unpack */
+ void (*pro_unpack)(struct ksock_msg *); /* message unpack */
ksock_tx_t *(*pro_queue_tx_msg)(ksock_conn_t *, ksock_tx_t *); /* queue tx on the connection */
int (*pro_queue_tx_zcack)(ksock_conn_t *, ksock_tx_t *, __u64); /* queue ZC ack on the connection */
int (*pro_handle_zcreq)(ksock_conn_t *, __u64, int); /* handle ZC request */
}
extern void ksocknal_tx_prep (ksock_conn_t *, ksock_tx_t *tx);
-extern void ksocknal_tx_done (lnet_ni_t *ni, ksock_tx_t *tx);
+extern void ksocknal_tx_done(struct lnet_ni *ni, ksock_tx_t *tx, int error);
static inline void
ksocknal_tx_decref (ksock_tx_t *tx)
{
LASSERT (atomic_read(&tx->tx_refcount) > 0);
if (atomic_dec_and_test(&tx->tx_refcount))
- ksocknal_tx_done(NULL, tx);
+ ksocknal_tx_done(NULL, tx, 0);
}
static inline void
}
static inline void
-ksocknal_peer_addref (ksock_peer_t *peer)
+ksocknal_peer_addref (ksock_peer_ni_t *peer_ni)
{
- LASSERT (atomic_read (&peer->ksnp_refcount) > 0);
- atomic_inc(&peer->ksnp_refcount);
+ LASSERT (atomic_read (&peer_ni->ksnp_refcount) > 0);
+ atomic_inc(&peer_ni->ksnp_refcount);
}
-extern void ksocknal_destroy_peer (ksock_peer_t *peer);
+extern void ksocknal_destroy_peer (ksock_peer_ni_t *peer_ni);
static inline void
-ksocknal_peer_decref (ksock_peer_t *peer)
+ksocknal_peer_decref (ksock_peer_ni_t *peer_ni)
{
- LASSERT (atomic_read (&peer->ksnp_refcount) > 0);
- if (atomic_dec_and_test(&peer->ksnp_refcount))
- ksocknal_destroy_peer (peer);
+ LASSERT (atomic_read (&peer_ni->ksnp_refcount) > 0);
+ if (atomic_dec_and_test(&peer_ni->ksnp_refcount))
+ ksocknal_destroy_peer (peer_ni);
}
-int ksocknal_startup (lnet_ni_t *ni);
-void ksocknal_shutdown (lnet_ni_t *ni);
-int ksocknal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg);
-int ksocknal_send (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
-int ksocknal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
- int delayed, unsigned int niov,
- struct iovec *iov, lnet_kiov_t *kiov,
+int ksocknal_startup(struct lnet_ni *ni);
+void ksocknal_shutdown(struct lnet_ni *ni);
+int ksocknal_ctl(struct lnet_ni *ni, unsigned int cmd, void *arg);
+int ksocknal_send(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg);
+int ksocknal_recv(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg,
+ int delayed, unsigned int niov,
+ struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);
-int ksocknal_accept(lnet_ni_t *ni, struct socket *sock);
-
-extern int ksocknal_add_peer(lnet_ni_t *ni, lnet_process_id_t id, __u32 ip, int port);
-extern ksock_peer_t *ksocknal_find_peer_locked (lnet_ni_t *ni, lnet_process_id_t id);
-extern ksock_peer_t *ksocknal_find_peer (lnet_ni_t *ni, lnet_process_id_t id);
-extern void ksocknal_peer_failed (ksock_peer_t *peer);
-extern int ksocknal_create_conn (lnet_ni_t *ni, ksock_route_t *route,
- struct socket *sock, int type);
+int ksocknal_accept(struct lnet_ni *ni, struct socket *sock);
+
+int ksocknal_add_peer(struct lnet_ni *ni, struct lnet_process_id id, __u32 ip,
+ int port);
+ksock_peer_ni_t *ksocknal_find_peer_locked(struct lnet_ni *ni,
+ struct lnet_process_id id);
+ksock_peer_ni_t *ksocknal_find_peer(struct lnet_ni *ni,
+ struct lnet_process_id id);
+extern void ksocknal_peer_failed (ksock_peer_ni_t *peer_ni);
+extern int ksocknal_create_conn(struct lnet_ni *ni, ksock_route_t *route,
+ struct socket *sock, int type);
extern void ksocknal_close_conn_locked (ksock_conn_t *conn, int why);
extern void ksocknal_terminate_conn (ksock_conn_t *conn);
extern void ksocknal_destroy_conn (ksock_conn_t *conn);
-extern int ksocknal_close_peer_conns_locked (ksock_peer_t *peer,
+extern int ksocknal_close_peer_conns_locked (ksock_peer_ni_t *peer_ni,
__u32 ipaddr, int why);
extern int ksocknal_close_conn_and_siblings (ksock_conn_t *conn, int why);
-extern int ksocknal_close_matching_conns(lnet_process_id_t id, __u32 ipaddr);
-extern ksock_conn_t *ksocknal_find_conn_locked(ksock_peer_t *peer,
+int ksocknal_close_matching_conns(struct lnet_process_id id, __u32 ipaddr);
+extern ksock_conn_t *ksocknal_find_conn_locked(ksock_peer_ni_t *peer_ni,
ksock_tx_t *tx, int nonblk);
-extern int ksocknal_launch_packet(lnet_ni_t *ni, ksock_tx_t *tx,
- lnet_process_id_t id);
+extern int ksocknal_launch_packet(struct lnet_ni *ni, ksock_tx_t *tx,
+ struct lnet_process_id id);
extern ksock_tx_t *ksocknal_alloc_tx(int type, int size);
extern void ksocknal_free_tx (ksock_tx_t *tx);
extern ksock_tx_t *ksocknal_alloc_tx_noop(__u64 cookie, int nonblk);
extern void ksocknal_next_tx_carrier(ksock_conn_t *conn);
extern void ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn);
-extern void ksocknal_txlist_done(lnet_ni_t *ni, struct list_head *txlist,
+extern void ksocknal_txlist_done(struct lnet_ni *ni, struct list_head *txlist,
int error);
-extern void ksocknal_notify (lnet_ni_t *ni, lnet_nid_t gw_nid, int alive);
+extern void ksocknal_notify(struct lnet_ni *ni, lnet_nid_t gw_nid, int alive);
extern void ksocknal_query (struct lnet_ni *ni, lnet_nid_t nid, cfs_time_t *when);
extern int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
extern void ksocknal_thread_fini (void);
-extern void ksocknal_launch_all_connections_locked (ksock_peer_t *peer);
-extern ksock_route_t *ksocknal_find_connectable_route_locked (ksock_peer_t *peer);
-extern ksock_route_t *ksocknal_find_connecting_route_locked (ksock_peer_t *peer);
+extern void ksocknal_launch_all_connections_locked (ksock_peer_ni_t *peer_ni);
+extern ksock_route_t *ksocknal_find_connectable_route_locked (ksock_peer_ni_t *peer_ni);
+extern ksock_route_t *ksocknal_find_connecting_route_locked (ksock_peer_ni_t *peer_ni);
extern int ksocknal_new_packet (ksock_conn_t *conn, int skip);
extern int ksocknal_scheduler (void *arg);
extern int ksocknal_connd (void *arg);
extern int ksocknal_reaper (void *arg);
-extern int ksocknal_send_hello (lnet_ni_t *ni, ksock_conn_t *conn,
- lnet_nid_t peer_nid, ksock_hello_msg_t *hello);
-extern int ksocknal_recv_hello (lnet_ni_t *ni, ksock_conn_t *conn,
- ksock_hello_msg_t *hello, lnet_process_id_t *id,
- __u64 *incarnation);
+int ksocknal_send_hello(struct lnet_ni *ni, ksock_conn_t *conn,
+ lnet_nid_t peer_nid, struct ksock_hello_msg *hello);
+int ksocknal_recv_hello(struct lnet_ni *ni, ksock_conn_t *conn,
+ struct ksock_hello_msg *hello,
+ struct lnet_process_id *id,
+ __u64 *incarnation);
extern void ksocknal_read_callback(ksock_conn_t *conn);
extern void ksocknal_write_callback(ksock_conn_t *conn);
int *rxmem, int *nagle);
extern int ksocknal_tunables_init(void);
-extern void ksocknal_tunables_fini(void);
-extern int ksocknal_lib_tunables_init(void);
-extern void ksocknal_lib_tunables_fini(void);
extern void ksocknal_lib_csum_tx(ksock_tx_t *tx);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff