/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
* Author: Zach Brown <zab@zabbo.net>
* Author: Peter J. Braam <braam@clusterfs.com>
* Author: Phil Schwan <phil@clusterfs.com>
* Author: Eric Barton <eric@bartonsoftware.com>
*
- * This file is part of Portals, http://www.sf.net/projects/lustre/
+ * This file is part of Lustre, http://www.lustre.org
*
* Portals is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
*/
#define DEBUG_PORTAL_ALLOC
-#define EXPORT_SYMTAB
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/stat.h>
-#include <linux/errno.h>
-#include <linux/smp_lock.h>
-#include <linux/unistd.h>
-#include <net/sock.h>
-#include <net/tcp.h>
-#include <linux/uio.h>
-
-#include <asm/system.h>
-#include <asm/uaccess.h>
-
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/stat.h>
-#include <linux/list.h>
-#include <linux/kmod.h>
-#include <linux/sysctl.h>
-#include <asm/uaccess.h>
-#include <asm/segment.h>
-#include <asm/div64.h>
-
-#define DEBUG_SUBSYSTEM S_SOCKNAL
-
-#include <linux/kp30.h>
-#include <portals/p30.h>
-#include <portals/lib-p30.h>
+#ifndef EXPORT_SYMTAB
+# define EXPORT_SYMTAB
+#endif
-#if CONFIG_SMP
-# define SOCKNAL_N_SCHED smp_num_cpus /* # socknal schedulers */
+#define DEBUG_SUBSYSTEM S_NAL
+
+#if defined(__linux__)
+#include "socknal_lib-linux.h"
+#elif defined(__APPLE__)
+#include "socknal_lib-darwin.h"
#else
-# define SOCKNAL_N_SCHED 1 /* # socknal schedulers */
+#error Unsupported Operating System
#endif
+
+#include <libcfs/kp30.h>
+#include <portals/kpr.h>
+#include <portals/p30.h>
+#include <portals/lib-p30.h>
+#include <portals/nal.h>
+#include <portals/socknal.h>
+
#define SOCKNAL_N_AUTOCONNECTD 4 /* # socknal autoconnect daemons */
-#define SOCKNAL_MIN_RECONNECT_INTERVAL HZ /* first failed connection retry... */
-#define SOCKNAL_MAX_RECONNECT_INTERVAL (60*HZ) /* ...exponentially increasing to this */
+#define SOCKNAL_MIN_RECONNECT_INTERVAL cfs_time_seconds(1) /* first failed connection retry... */
+#define SOCKNAL_MAX_RECONNECT_INTERVAL cfs_time_seconds(60) /* ...exponentially increasing to this */
/* default vals for runtime tunables */
#define SOCKNAL_IO_TIMEOUT 50 /* default comms timeout (seconds) */
-#define SOCKNAL_EAGER_ACK 1 /* default eager ack (boolean) */
+#define SOCKNAL_EAGER_ACK SOCKNAL_ARCH_EAGER_ACK /* default eager ack (boolean) */
+#define SOCKNAL_TYPED_CONNS 1 /* unidirectional large, bidirectional small? */
#define SOCKNAL_ZC_MIN_FRAG (2<<10) /* default smallest zerocopy fragment */
-
-#define SOCKNAL_USE_KEEPALIVES 0 /* use tcp/ip keepalive? */
+#define SOCKNAL_MIN_BULK (1<<10) /* smallest "large" message */
+#define SOCKNAL_BUFFER_SIZE (8<<20) /* default socket buffer size */
+#define SOCKNAL_NAGLE 0 /* enable/disable NAGLE? */
+#define SOCKNAL_IRQ_AFFINITY 1 /* enable/disable IRQ affinity? */
+#define SOCKNAL_KEEPALIVE_IDLE 30 /* # seconds idle before 1st probe */
+#define SOCKNAL_KEEPALIVE_COUNT 10 /* # unanswered probes to determine peer death */
+#define SOCKNAL_KEEPALIVE_INTVL 2 /* seconds between probes */
#define SOCKNAL_PEER_HASH_SIZE 101 /* # peer lists */
-#if PTL_LARGE_MTU
-# define SOCKNAL_MAX_FWD_PAYLOAD (256<<10) /* biggest payload I can forward */
-#else
-# define SOCKNAL_MAX_FWD_PAYLOAD (64<<10) /* biggest payload I can forward */
-#endif
-
-#define SOCKNAL_NLTXS 128 /* # normal transmit messages */
-#define SOCKNAL_NNBLK_LTXS 128 /* # transmit messages reserved if can't block */
-
#define SOCKNAL_SMALL_FWD_NMSGS 128 /* # small messages I can be forwarding at any time */
#define SOCKNAL_LARGE_FWD_NMSGS 64 /* # large messages I can be forwarding at any time */
#define SOCKNAL_SMALL_FWD_PAGES 1 /* # pages in a small message fwd buffer */
-#define SOCKNAL_LARGE_FWD_PAGES (PAGE_ALIGN (sizeof (ptl_hdr_t) + SOCKNAL_MAX_FWD_PAYLOAD) >> PAGE_SHIFT)
+#define SOCKNAL_LARGE_FWD_PAGES (PAGE_ALIGN(PTL_MTU) >> PAGE_SHIFT)
/* # pages in a large message fwd buffer */
#define SOCKNAL_RESCHED 100 /* # scheduler loops before reschedule */
+#define SOCKNAL_ENOMEM_RETRY CFS_MIN_DELAY /* jiffies between retries */
+
+#define SOCKNAL_MAX_INTERFACES 16 /* Largest number of interfaces we bind */
-#define SOCKNAL_TX_LOW_WATER(sk) (((sk)->sk_sndbuf*8)/10)
+#define SOCKNAL_ROUND_ROBIN 0 /* round robin / load balance */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,72))
-# define sk_data_ready data_ready
-# define sk_write_space write_space
-# define sk_user_data user_data
-# define sk_prot prot
-# define sk_sndbuf sndbuf
-# define sk_socket socket
+#define SOCKNAL_SINGLE_FRAG_TX 0 /* disable multi-fragment sends */
+#define SOCKNAL_SINGLE_FRAG_RX 0 /* disable multi-fragment receives */
+
+/* risk kmap deadlock on multi-frag I/O (backs off to single-frag if disabled).
+ * no risk if we're not running on a CONFIG_HIGHMEM platform. */
+#ifdef CONFIG_HIGHMEM
+# define SOCKNAL_RISK_KMAP_DEADLOCK 0
+#else
+# define SOCKNAL_RISK_KMAP_DEADLOCK 1
#endif
typedef struct /* pool of forwarding buffers */
{
spinlock_t fmp_lock; /* serialise */
- struct list_head fmp_idle_fmbs; /* buffers waiting for a connection */
+ struct list_head fmp_idle_fmbs; /* free buffers */
struct list_head fmp_blocked_conns; /* connections waiting for a buffer */
+ int fmp_nactive_fmbs; /* # buffers in use */
+ int fmp_buff_pages; /* # pages per buffer */
} ksock_fmb_pool_t;
#if SOCKNAL_ZC
struct list_head kss_zctxdone_list; /* completed ZC transmits */
#endif
- wait_queue_head_t kss_waitq; /* where scheduler sleeps */
+ cfs_waitq_t kss_waitq; /* where scheduler sleeps */
int kss_nconns; /* # connections assigned to this scheduler */
} ksock_sched_t;
-typedef struct {
+typedef struct
+{
int ksni_valid:1; /* been set yet? */
int ksni_bound:1; /* bound to a cpu yet? */
int ksni_sched:6; /* which scheduler (assumes < 64) */
} ksock_irqinfo_t;
-typedef struct {
- int ksnd_init; /* initialisation state */
+typedef struct
+{
+ __u32 ksni_ipaddr; /* interface's IP address */
+ __u32 ksni_netmask; /* interface's network mask */
+ int ksni_nroutes; /* # routes using (active) */
+ int ksni_npeers; /* # peers using (passive) */
+} ksock_interface_t;
+
+typedef struct
+{
int ksnd_io_timeout; /* "stuck" socket timeout (seconds) */
int ksnd_eager_ack; /* make TCP ack eagerly? */
+ int ksnd_typed_conns; /* drive sockets by type? */
+ int ksnd_min_bulk; /* smallest "large" message */
+ int ksnd_buffer_size; /* socket buffer size */
+ int ksnd_nagle; /* enable NAGLE? */
+ int ksnd_irq_affinity; /* enable IRQ affinity? */
+ int ksnd_keepalive_idle; /* # idle secs before 1st probe */
+ int ksnd_keepalive_count; /* # probes */
+ int ksnd_keepalive_intvl; /* time between probes */
#if SOCKNAL_ZC
unsigned int ksnd_zc_min_frag; /* minimum zero copy frag size */
#endif
- struct ctl_table_header *ksnd_sysctl; /* sysctl interface */
+ cfs_sysctl_table_header_t *ksnd_sysctl; /* sysctl interface */
+} ksock_tunables_t;
+
+typedef struct
+{
+ int ksnd_init; /* initialisation state */
+ __u64 ksnd_incarnation; /* my epoch */
rwlock_t ksnd_global_lock; /* stabilize peer/conn ops */
struct list_head *ksnd_peers; /* hash table of all my known peers */
int ksnd_peer_hash_size; /* size of ksnd_peers */
- nal_cb_t *ksnd_nal_cb;
- spinlock_t ksnd_nal_cb_lock; /* lib cli/sti lock */
-
- atomic_t ksnd_nthreads; /* # live threads */
+ int ksnd_nthreads; /* # live threads */
int ksnd_shuttingdown; /* tell threads to exit */
- ksock_sched_t *ksnd_schedulers; /* scheduler state */
+ int ksnd_nschedulers; /* # schedulers */
+ ksock_sched_t *ksnd_schedulers; /* their state */
atomic_t ksnd_npeers; /* total # peers extant */
atomic_t ksnd_nclosing_conns; /* # closed conns extant */
kpr_router_t ksnd_router; /* THE router */
- void *ksnd_fmbs; /* all the pre-allocated FMBs */
ksock_fmb_pool_t ksnd_small_fmp; /* small message forwarding buffers */
ksock_fmb_pool_t ksnd_large_fmp; /* large message forwarding buffers */
- void *ksnd_ltxs; /* all the pre-allocated LTXs */
- spinlock_t ksnd_idle_ltx_lock; /* serialise ltx alloc/free */
- struct list_head ksnd_idle_ltx_list; /* where to get an idle LTX */
- struct list_head ksnd_idle_nblk_ltx_list; /* where to get an idle LTX if you can't block */
- wait_queue_head_t ksnd_idle_ltx_waitq; /* where to block for an idle LTX */
- int ksnd_active_ltxs; /* #active ltxs */
+ atomic_t ksnd_nactive_ltxs; /* #active ltxs */
- struct list_head ksnd_deathrow_conns; /* conns to be closed */
- struct list_head ksnd_zombie_conns; /* conns to be freed */
- wait_queue_head_t ksnd_reaper_waitq; /* reaper sleep here */
+ struct list_head ksnd_deathrow_conns; /* conns to close: reaper_lock*/
+ struct list_head ksnd_zombie_conns; /* conns to free: reaper_lock */
+ struct list_head ksnd_enomem_conns; /* conns to retry: reaper_lock*/
+ cfs_waitq_t ksnd_reaper_waitq; /* reaper sleeps here */
+ cfs_time_t ksnd_reaper_waketime; /* when reaper will wake */
spinlock_t ksnd_reaper_lock; /* serialise */
+ int ksnd_enomem_tx; /* test ENOMEM sender */
int ksnd_stall_tx; /* test sluggish sender */
int ksnd_stall_rx; /* test sluggish receiver */
struct list_head ksnd_autoconnectd_routes; /* routes waiting to be connected */
- wait_queue_head_t ksnd_autoconnectd_waitq; /* autoconnectds sleep here */
+ cfs_waitq_t ksnd_autoconnectd_waitq; /* autoconnectds sleep here */
spinlock_t ksnd_autoconnectd_lock; /* serialise */
ksock_irqinfo_t ksnd_irqinfo[NR_IRQS];/* irq->scheduler lookup */
+
+ int ksnd_ninterfaces;
+ ksock_interface_t ksnd_interfaces[SOCKNAL_MAX_INTERFACES]; /* published interfaces */
} ksock_nal_data_t;
#define SOCKNAL_INIT_NOTHING 0
#define SOCKNAL_INIT_DATA 1
-#define SOCKNAL_INIT_PTL 2
+#define SOCKNAL_INIT_LIB 2
#define SOCKNAL_INIT_ALL 3
/* A packet just assembled for transmission is represented by 1 or more
- * struct iovec fragments and 0 or more ptl_kiov_t fragments. Forwarded
- * messages, or messages from an MD with PTL_MD_KIOV _not_ set have 0
- * ptl_kiov_t fragments. Messages from an MD with PTL_MD_KIOV set, have 1
- * struct iovec fragment (the header) and up to PTL_MD_MAX_IOV ptl_kiov_t
- * fragments.
+ * struct iovec fragments (the first frag contains the portals header),
+ * followed by 0 or more ptl_kiov_t fragments.
*
* On the receive side, initially 1 struct iovec fragment is posted for
- * receive (the header). Once the header has been received, if the message
- * requires forwarding or will be received into mapped memory, up to
- * PTL_MD_MAX_IOV struct iovec fragments describe the target memory.
- * Otherwise up to PTL_MD_MAX_IOV ptl_kiov_t fragments are used.
- */
+ * receive (the header). Once the header has been received, the payload is
+ * received into either struct iovec or ptl_kiov_t fragments, depending on
+ * what the header matched or whether the message needs forwarding. */
struct ksock_conn; /* forward ref */
struct ksock_peer; /* forward ref */
#endif
} ksock_tx_t;
+typedef struct /* forwarded packet */
+{
+ ksock_tx_t ftx_tx; /* send info */
+ struct iovec ftx_iov; /* hdr iovec */
+} ksock_ftx_t;
+
#define KSOCK_ZCCD_2_TX(ptr) list_entry (ptr, ksock_tx_t, tx_zccd)
/* network zero copy callback descriptor embedded in ksock_tx_t */
-/* space for the tx frag descriptors: hdr is always 1 iovec
- * and payload is PTL_MD_MAX of either type. */
-typedef struct
-{
- struct iovec hdr;
- union {
- struct iovec iov[PTL_MD_MAX_IOV];
- ptl_kiov_t kiov[PTL_MD_MAX_IOV];
- } payload;
-} ksock_txiovspace_t;
-
typedef struct /* locally transmitted packet */
{
ksock_tx_t ltx_tx; /* send info */
- struct list_head *ltx_idle; /* where to put when idle */
void *ltx_private; /* lib_finalize() callback arg */
void *ltx_cookie; /* lib_finalize() callback arg */
- ksock_txiovspace_t ltx_iov_space; /* where to stash frag descriptors */
ptl_hdr_t ltx_hdr; /* buffer for packet header */
+ int ltx_desc_size; /* bytes allocated for this desc */
+ struct iovec ltx_iov[1]; /* iov for hdr + payload */
+ ptl_kiov_t ltx_kiov[0]; /* kiov for payload */
} ksock_ltx_t;
#define KSOCK_TX_2_KPR_FWD_DESC(ptr) list_entry ((kprfd_scratch_t *)ptr, kpr_fwd_desc_t, kprfd_scratch)
{ /* (socknal->router) */
struct list_head fmb_list; /* queue idle */
kpr_fwd_desc_t fmb_fwd; /* router's descriptor */
- int fmb_npages; /* # pages allocated */
ksock_fmb_pool_t *fmb_pool; /* owning pool */
struct ksock_peer *fmb_peer; /* peer received from */
- struct page *fmb_pages[SOCKNAL_LARGE_FWD_PAGES];
- struct iovec fmb_iov[SOCKNAL_LARGE_FWD_PAGES];
+ ptl_hdr_t fmb_hdr; /* message header */
+ ptl_kiov_t fmb_kiov[0]; /* payload frags */
} ksock_fmb_t;
/* space for the rx frag descriptors; we either read a single contiguous
- * header, or PTL_MD_MAX_IOV frags of payload of either type. */
+ * header, or up to PTL_MD_MAX_IOV frags of payload of either type. */
typedef union {
struct iovec iov[PTL_MD_MAX_IOV];
ptl_kiov_t kiov[PTL_MD_MAX_IOV];
void *ksnc_saved_write_space; /* socket's original write_space() callback */
atomic_t ksnc_refcount; /* # users */
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 */
int ksnc_closing; /* being shut down */
+ int ksnc_type; /* type of connection */
+ __u64 ksnc_incarnation; /* peer's incarnation */
- /* READER */
+ /* reader */
struct list_head ksnc_rx_list; /* where I enq waiting input or a forwarding descriptor */
- unsigned long ksnc_rx_deadline; /* when (in jiffies) receive times out */
+ cfs_time_t ksnc_rx_deadline; /* when (in jiffies) receive times out */
int ksnc_rx_started; /* started receiving a message */
int ksnc_rx_ready; /* data ready to read */
int ksnc_rx_scheduled; /* being progressed */
/* WRITER */
struct list_head ksnc_tx_list; /* where I enq waiting for output space */
struct list_head ksnc_tx_queue; /* packets waiting to be sent */
- unsigned long ksnc_tx_deadline; /* when (in jiffies) tx times out */
+ cfs_time_t ksnc_tx_deadline; /* when (in jiffies) tx times out */
+ int ksnc_tx_bufnob; /* send buffer marker */
atomic_t ksnc_tx_nob; /* # bytes queued */
int ksnc_tx_ready; /* write space */
int ksnc_tx_scheduled; /* being progressed */
+
+#if !SOCKNAL_SINGLE_FRAG_RX
+ struct iovec ksnc_rx_scratch_iov[PTL_MD_MAX_IOV];
+#endif
+#if !SOCKNAL_SINGLE_FRAG_TX
+ struct iovec ksnc_tx_scratch_iov[PTL_MD_MAX_IOV];
+#endif
} ksock_conn_t;
+#define KSNR_TYPED_ROUTES ((1 << SOCKNAL_CONN_CONTROL) | \
+ (1 << SOCKNAL_CONN_BULK_IN) | \
+ (1 << SOCKNAL_CONN_BULK_OUT))
+
typedef struct ksock_route
{
struct list_head ksnr_list; /* chain on peer route list */
struct list_head ksnr_connect_list; /* chain on autoconnect list */
struct ksock_peer *ksnr_peer; /* owning peer */
atomic_t ksnr_refcount; /* # users */
- int ksnr_sharecount; /* lconf usage counter */
- unsigned long ksnr_timeout; /* when (in jiffies) reconnection can happen next */
- unsigned int ksnr_retry_interval; /* how long between retries */
- __u32 ksnr_ipaddr; /* an IP address for this peer */
+ cfs_time_t ksnr_timeout; /* when (in jiffies) reconnection can happen next */
+ cfs_duration_t ksnr_retry_interval; /* how long between retries */
+ __u32 ksnr_myipaddr; /* my IP */
+ __u32 ksnr_ipaddr; /* IP address to connect to */
int ksnr_port; /* port to connect to */
- int ksnr_buffer_size; /* size of socket buffers */
- unsigned int ksnr_irq_affinity:1; /* set affinity? */
- unsigned int ksnr_xchange_nids:1; /* do hello protocol? */
- unsigned int ksnr_nonagel:1; /* disable nagle? */
- unsigned int ksnr_eager:1; /* connect eagery? */
- unsigned int ksnr_connecting:1; /* autoconnect in progress? */
+ unsigned int ksnr_connecting:1; /* autoconnect in progress */
+ unsigned int ksnr_connected:4; /* connections established by type */
unsigned int ksnr_deleted:1; /* been removed from peer? */
- int ksnr_generation; /* connection incarnation # */
- ksock_conn_t *ksnr_conn; /* NULL/active connection */
+ 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 */
ptl_nid_t ksnp_nid; /* 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_error; /* errno on closing last conn */
struct list_head ksnp_conns; /* all active connections */
struct list_head ksnp_routes; /* routes */
struct list_head ksnp_tx_queue; /* waiting packets */
- unsigned long ksnp_last_alive; /* when (in jiffies) I was last alive */
+ cfs_time_t ksnp_last_alive; /* when (in jiffies) I was last alive */
+ int ksnp_n_passive_ips; /* # of... */
+ __u32 ksnp_passive_ips[SOCKNAL_MAX_INTERFACES]; /* preferred local interfaces */
} ksock_peer_t;
-extern nal_cb_t ksocknal_lib;
+extern lib_nal_t ksocknal_lib;
extern ksock_nal_data_t ksocknal_data;
+extern ksock_tunables_t ksocknal_tunables;
static inline struct list_head *
-ksocknal_nid2peerlist (ptl_nid_t nid)
+ksocknal_nid2peerlist (ptl_nid_t nid)
{
unsigned int hash = ((unsigned int)nid) % ksocknal_data.ksnd_peer_hash_size;
-
+
return (&ksocknal_data.ksnd_peers [hash]);
}
static inline int
-ksocknal_getconnsock (ksock_conn_t *conn)
+ksocknal_getconnsock (ksock_conn_t *conn)
{
int rc = -ESHUTDOWN;
-
+
read_lock (&ksocknal_data.ksnd_global_lock);
if (!conn->ksnc_closing) {
rc = 0;
- get_file (conn->ksnc_sock->file);
+ cfs_get_file (KSN_CONN2FILE(conn));
}
read_unlock (&ksocknal_data.ksnd_global_lock);
static inline void
ksocknal_putconnsock (ksock_conn_t *conn)
{
- fput (conn->ksnc_sock->file);
+ cfs_put_file (KSN_CONN2FILE(conn));
}
extern void ksocknal_put_route (ksock_route_t *route);
extern ksock_peer_t *ksocknal_get_peer (ptl_nid_t nid);
extern int ksocknal_del_route (ptl_nid_t nid, __u32 ipaddr,
int single, int keep_conn);
-extern int ksocknal_create_conn (ptl_nid_t nid, ksock_route_t *route,
- struct socket *sock, int bind_irq);
+extern int ksocknal_create_conn (ksock_route_t *route,
+ struct socket *sock, int type);
extern void ksocknal_close_conn_locked (ksock_conn_t *conn, int why);
-extern int ksocknal_close_conn_unlocked (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 void ksocknal_put_conn (ksock_conn_t *conn);
-extern int ksocknal_close_conn (ptl_nid_t nid, __u32 ipaddr);
+extern int ksocknal_close_stale_conns_locked (ksock_peer_t *peer, __u64 incarnation);
+extern int ksocknal_close_conn_and_siblings (ksock_conn_t *conn, int why);
+extern int ksocknal_close_matching_conns (ptl_nid_t nid, __u32 ipaddr);
extern void ksocknal_queue_tx_locked (ksock_tx_t *tx, ksock_conn_t *conn);
extern void ksocknal_tx_done (ksock_tx_t *tx, int asynch);
extern int ksocknal_thread_start (int (*fn)(void *arg), void *arg);
extern int ksocknal_new_packet (ksock_conn_t *conn, int skip);
extern int ksocknal_scheduler (void *arg);
-extern void ksocknal_data_ready(struct sock *sk, int n);
-extern void ksocknal_write_space(struct sock *sk);
extern int ksocknal_autoconnectd (void *arg);
extern int ksocknal_reaper (void *arg);
extern int ksocknal_setup_sock (struct socket *sock);
+extern int ksocknal_send_hello (ksock_conn_t *conn, __u32 *ipaddrs, int nipaddrs);
+extern int ksocknal_recv_hello (ksock_conn_t *conn,
+ ptl_nid_t *nid, __u64 *incarnation, __u32 *ipaddrs);
+
+extern void ksocknal_lib_save_callback(struct socket *sock, ksock_conn_t *conn);
+extern void ksocknal_lib_set_callback(struct socket *sock, ksock_conn_t *conn);
+extern void ksocknal_lib_act_callback(struct socket *sock, ksock_conn_t *conn);
+extern void ksocknal_lib_reset_callback(struct socket *sock, ksock_conn_t *conn);
+extern void ksocknal_lib_push_conn (ksock_conn_t *conn);
+extern void ksocknal_lib_bind_irq (unsigned int irq);
+extern int ksocknal_lib_get_conn_addrs (ksock_conn_t *conn);
+extern unsigned int ksocknal_lib_sock_irq (struct socket *sock);
+extern int ksocknal_lib_setup_sock (struct socket *so);
+extern int ksocknal_lib_send_iov (ksock_conn_t *conn, ksock_tx_t *tx);
+extern int ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx);
+extern void ksocknal_lib_eager_ack (ksock_conn_t *conn);
+extern int ksocknal_lib_recv_iov (ksock_conn_t *conn);
+extern int ksocknal_lib_recv_kiov (ksock_conn_t *conn);
+extern int ksocknal_lib_sock_write (struct socket *sock,
+ void *buffer, int nob);
+extern int ksocknal_lib_sock_read (struct socket *sock,
+ void *buffer, int nob);
+extern int ksocknal_lib_get_conn_tunables (ksock_conn_t *conn, int *txmem,
+ int *rxmem, int *nagle);
+extern int ksocknal_lib_connect_sock(struct socket **sockp, int *may_retry,
+ ksock_route_t *route, int local_port);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff