#if SOCKNAL_VERSION_DEBUG
int *ksnd_protocol; /* protocol version */
#endif
+ int *ksnd_conns_per_peer; /* for typed mode, yields:
+ * 1 + 2*conns_per_peer total
+ * for untyped:
+ * conns_per_peer total
+ */
};
struct ksock_net {
struct list_head ksnn_list; /* chain on global list */
atomic_t ksnn_npeers; /* # peers */
struct ksock_interface ksnn_interface; /* IP interface */
+ struct lnet_ni *ksnn_ni;
};
/* When the ksock_net is shut down, this (negative) bias is added to
* ksnn_npeers, which prevents new peers from being added.
* received into struct bio_vec fragments.
*/
struct ksock_conn; /* forward ref */
-struct ksock_route; /* forward ref */
+struct ksock_conn_cb; /* forward ref */
struct ksock_proto; /* forward ref */
struct ksock_tx { /* transmit packet */
struct ksock_conn {
struct ksock_peer_ni *ksnc_peer; /* owning peer_ni */
- struct ksock_route *ksnc_route; /* owning route */
+ struct ksock_conn_cb *ksnc_conn_cb; /* owning conn control block */
struct list_head ksnc_list; /* on peer_ni's conn list */
struct socket *ksnc_sock; /* actual socket */
void *ksnc_saved_data_ready; /* socket's original
time64_t ksnc_tx_last_post;
};
-struct ksock_route {
- struct list_head ksnr_list; /* chain on peer_ni route list*/
+#define SOCKNAL_CONN_COUNT_MAX_BITS 8 /* max conn count bits */
+
+struct ksock_conn_cb {
struct list_head ksnr_connd_list;/* chain on ksnr_connd_routes */
struct ksock_peer_ni *ksnr_peer; /* owning peer_ni */
refcount_t ksnr_refcount; /* # users */
unsigned int ksnr_connecting:1;/* connection in progress */
unsigned int ksnr_connected:4;/* connections by type */
unsigned int ksnr_deleted:1; /* been removed from peer_ni? */
- unsigned int ksnr_share_count;/* created explicitly? */
- int ksnr_conn_count;/* # conns for this route */
+ unsigned int ksnr_ctrl_conn_count:1; /* # conns by type */
+ unsigned int ksnr_blki_conn_count:8;
+ unsigned int ksnr_blko_conn_count:8;
+ int ksnr_conn_count;/* total # conns for this cb */
+
};
#define SOCKNAL_KEEPALIVE_PING 1 /* cookie for keepalive ping */
__u64 ksnp_incarnation; /* latest known peer_ni incarnation */
const struct ksock_proto *ksnp_proto; /* latest known protocol */
struct list_head ksnp_conns; /* all active connections */
- struct list_head ksnp_routes; /* routes */
+ struct ksock_conn_cb *ksnp_conn_cb; /* conn control block */
struct list_head ksnp_tx_queue; /* waiting packets */
spinlock_t ksnp_lock; /* serialize, g_lock unsafe */
/* zero copy requests wait for ACK */
#define CPU_MASK_NONE 0UL
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0)
+#undef netdev_notifier_info_to_dev
+#define netdev_notifier_info_to_dev(ndev) ndev
+#endif
+
static inline __u32 ksocknal_csum(__u32 crc, unsigned char const *p, size_t len)
{
#if 1
}
static inline int
-ksocknal_route_mask(void)
+ksocknal_conn_cb_mask(void)
{
if (!*ksocknal_tunables.ksnd_typed_conns)
return BIT(SOCKLND_CONN_ANY);
}
static inline void
-ksocknal_route_addref(struct ksock_route *route)
+ksocknal_conn_cb_addref(struct ksock_conn_cb *conn_cb)
{
- refcount_inc(&route->ksnr_refcount);
+ refcount_inc(&conn_cb->ksnr_refcount);
}
-extern void ksocknal_destroy_route(struct ksock_route *route);
+extern void ksocknal_destroy_conn_cb(struct ksock_conn_cb *conn_cb);
static inline void
-ksocknal_route_decref(struct ksock_route *route)
+ksocknal_conn_cb_decref(struct ksock_conn_cb *conn_cb)
{
- if (refcount_dec_and_test(&route->ksnr_refcount))
- ksocknal_destroy_route (route);
+ if (refcount_dec_and_test(&conn_cb->ksnr_refcount))
+ ksocknal_destroy_conn_cb(conn_cb);
}
static inline void
static inline int ksocknal_timeout(void)
{
- return *ksocknal_tunables.ksnd_timeout ?
- *ksocknal_tunables.ksnd_timeout :
- lnet_get_lnd_timeout();
+ return *ksocknal_tunables.ksnd_timeout ?: lnet_get_lnd_timeout();
+}
+
+static inline int ksocknal_conns_per_peer(void)
+{
+ return *ksocknal_tunables.ksnd_conns_per_peer ?: 1;
}
int ksocknal_startup(struct lnet_ni *ni);
struct ksock_peer_ni *ksocknal_find_peer(struct lnet_ni *ni,
struct lnet_process_id id);
extern void ksocknal_peer_failed(struct ksock_peer_ni *peer_ni);
-extern int ksocknal_create_conn(struct lnet_ni *ni, struct ksock_route *route,
+extern int ksocknal_create_conn(struct lnet_ni *ni,
+ struct ksock_conn_cb *conn_cb,
struct socket *sock, int type);
extern void ksocknal_close_conn_locked(struct ksock_conn *conn, int why);
extern void ksocknal_terminate_conn(struct ksock_conn *conn);
extern void ksocknal_queue_tx_locked(struct ksock_tx *tx, struct ksock_conn *conn);
extern void ksocknal_txlist_done(struct lnet_ni *ni, struct list_head *txlist,
int error);
-extern int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
+#define ksocknal_thread_start(fn, data, namefmt, arg...) \
+ ({ \
+ struct task_struct *__task = kthread_run(fn, data, \
+ namefmt, ##arg); \
+ if (!IS_ERR(__task)) \
+ atomic_inc(&ksocknal_data.ksnd_nthreads); \
+ PTR_ERR_OR_ZERO(__task); \
+ })
+
extern void ksocknal_thread_fini(void);
extern void ksocknal_launch_all_connections_locked(struct ksock_peer_ni *peer_ni);
-extern struct ksock_route *ksocknal_find_connectable_route_locked(struct ksock_peer_ni *peer_ni);
-extern struct ksock_route *ksocknal_find_connecting_route_locked(struct ksock_peer_ni *peer_ni);
+extern struct ksock_conn_cb *ksocknal_find_connectable_conn_cb_locked(struct ksock_peer_ni *peer_ni);
+extern struct ksock_conn_cb *ksocknal_find_connecting_conn_cb_locked(struct ksock_peer_ni *peer_ni);
extern int ksocknal_new_packet(struct ksock_conn *conn, int skip);
extern int ksocknal_scheduler(void *arg);
extern int ksocknal_connd(void *arg);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff