SOCKLND_TX_BUFFER_SIZE,
SOCKLND_NAGLE,
SOCKLND_IRQ_AFFINITY,
+ SOCKLND_ROUND_ROBIN,
+ SOCKLND_KEEPALIVE,
SOCKLND_KEEPALIVE_IDLE,
SOCKLND_KEEPALIVE_COUNT,
SOCKLND_KEEPALIVE_INTVL,
#define SOCKLND_TX_BUFFER_SIZE CTL_UNNUMBERED
#define SOCKLND_NAGLE CTL_UNNUMBERED
#define SOCKLND_IRQ_AFFINITY CTL_UNNUMBERED
+#define SOCKLND_ROUND_ROBIN CTL_UNNUMBERED
+#define SOCKLND_KEEPALIVE CTL_UNNUMBERED
#define SOCKLND_KEEPALIVE_IDLE CTL_UNNUMBERED
#define SOCKLND_KEEPALIVE_COUNT CTL_UNNUMBERED
#define SOCKLND_KEEPALIVE_INTVL CTL_UNNUMBERED
{
.ctl_name = SOCKLND_ZERO_COPY,
.procname = "zero_copy",
- .data = &ksocknal_tunables.ksnd_zc_min_frag,
+ .data = &ksocknal_tunables.ksnd_zc_min_payload,
.maxlen = sizeof (int),
.mode = 0644,
.proc_handler = &proc_dointvec,
},
#endif
{
+ .ctl_name = SOCKLND_ROUND_ROBIN,
+ .procname = "round_robin",
+ .data = &ksocknal_tunables.ksnd_round_robin,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ .strategy = &sysctl_intvec,
+ },
+ {
+ .ctl_name = SOCKLND_KEEPALIVE,
+ .procname = "keepalive",
+ .data = &ksocknal_tunables.ksnd_keepalive,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec
+ .strategy = &sysctl_intvec,
+ },
+ {
.ctl_name = SOCKLND_KEEPALIVE_IDLE,
.procname = "keepalive_idle",
.data = &ksocknal_tunables.ksnd_keepalive_idle,
int
ksocknal_lib_tunables_init ()
{
+ if (!*ksocknal_tunables.ksnd_typed_conns) {
+ int rc = -EINVAL;
+#if SOCKNAL_VERSION_DEBUG
+ if (*ksocknal_tunables.ksnd_protocol < 3)
+ rc = 0;
+#endif
+ if (rc != 0) {
+ CERROR("Protocol V3.x MUST have typed connections\n");
+ return rc;
+ }
+ }
+
if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags < 2)
*ksocknal_tunables.ksnd_zc_recv_min_nfrags = 2;
if (*ksocknal_tunables.ksnd_zc_recv_min_nfrags > LNET_MAX_IOV)
info = &ksocknal_data.ksnd_irqinfo[irq];
- write_lock_bh (&ksocknal_data.ksnd_global_lock);
+ cfs_write_lock_bh (&ksocknal_data.ksnd_global_lock);
LASSERT (info->ksni_valid);
bind = !info->ksni_bound;
info->ksni_bound = 1;
- write_unlock_bh (&ksocknal_data.ksnd_global_lock);
+ cfs_write_unlock_bh (&ksocknal_data.ksnd_global_lock);
if (!bind) /* bound already */
return;
}
int
-ksocknal_lib_zc_capable(struct socket *sock)
+ksocknal_lib_zc_capable(ksock_conn_t *conn)
{
- int caps = sock->sk->sk_route_caps;
+ int caps = conn->ksnc_sock->sk->sk_route_caps;
+
+ if (conn->ksnc_proto == &ksocknal_protocol_v1x)
+ return 0;
/* ZC if the socket supports scatter/gather and doesn't need software
* checksums */
ksocknal_lib_send_kiov (ksock_conn_t *conn, ksock_tx_t *tx)
{
struct socket *sock = conn->ksnc_sock;
- lnet_kiov_t *kiov = tx->tx_kiov;
+ lnet_kiov_t *kiov = tx->tx_kiov;
int rc;
int nob;
+ /* Not NOOP message */
+ LASSERT (tx->tx_lnetmsg != NULL);
+
/* NB we can't trust socket ops to either consume our iovs
* or leave them alone. */
-
- if (kiov->kiov_len >= *ksocknal_tunables.ksnd_zc_min_frag &&
- tx->tx_msg.ksm_zc_req_cookie != 0) {
+ if (tx->tx_msg.ksm_zc_cookies[0] != 0) {
/* Zero copy is enabled */
struct sock *sk = sock->sk;
struct page *page = kiov->kiov_page;
/* interleave correctly with closing sockets... */
LASSERT(!in_irq());
- read_lock (&ksocknal_data.ksnd_global_lock);
+ cfs_read_lock (&ksocknal_data.ksnd_global_lock);
conn = sk->sk_user_data;
if (conn == NULL) { /* raced with ksocknal_terminate_conn */
} else
ksocknal_read_callback(conn);
- read_unlock (&ksocknal_data.ksnd_global_lock);
+ cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
EXIT;
}
/* interleave correctly with closing sockets... */
LASSERT(!in_irq());
- read_lock (&ksocknal_data.ksnd_global_lock);
+ cfs_read_lock (&ksocknal_data.ksnd_global_lock);
conn = sk->sk_user_data;
wspace = SOCKNAL_WSPACE(sk);
LASSERT (sk->sk_write_space != &ksocknal_write_space);
sk->sk_write_space (sk);
- read_unlock (&ksocknal_data.ksnd_global_lock);
+ cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
return;
}
clear_bit (SOCK_NOSPACE, &sk->sk_socket->flags);
}
- read_unlock (&ksocknal_data.ksnd_global_lock);
+ cfs_read_unlock (&ksocknal_data.ksnd_global_lock);
}
void
return ;
}
+
+int
+ksocknal_lib_memory_pressure(ksock_conn_t *conn)
+{
+ int rc = 0;
+ ksock_sched_t *sched;
+
+ sched = conn->ksnc_scheduler;
+ cfs_spin_lock_bh (&sched->kss_lock);
+
+ if (!SOCK_TEST_NOSPACE(conn->ksnc_sock) &&
+ !conn->ksnc_tx_ready) {
+ /* SOCK_NOSPACE is set when the socket fills
+ * and cleared in the write_space callback
+ * (which also sets ksnc_tx_ready). If
+ * SOCK_NOSPACE and ksnc_tx_ready are BOTH
+ * zero, I didn't fill the socket and
+ * write_space won't reschedule me, so I
+ * return -ENOMEM to get my caller to retry
+ * after a timeout */
+ rc = -ENOMEM;
+ }
+
+ cfs_spin_unlock_bh (&sched->kss_lock);
+
+ return rc;
+}
+
+__u64
+ksocknal_lib_new_incarnation(void)
+{
+ struct timeval tv;
+
+ /* The incarnation number is the time this module loaded and it
+ * identifies this particular instance of the socknal. Hopefully
+ * we won't be able to reboot more frequently than 1MHz for the
+ * forseeable future :) */
+
+ do_gettimeofday(&tv);
+
+ return (((__u64)tv.tv_sec) * 1000000) + tv.tv_usec;
+}
+
+int
+ksocknal_lib_bind_thread_to_cpu(int id)
+{
+#if defined(CONFIG_SMP) && defined(CPU_AFFINITY)
+ id = ksocknal_sched2cpu(id);
+ if (cpu_online(id)) {
+ cpumask_t m = CPU_MASK_NONE;
+ cpu_set(id, m);
+ set_cpus_allowed(current, m);
+ return 0;
+ }
+
+ return -1;
+
+#else
+ return 0;
+#endif
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff