CFS_MODULE_PARM(dev_failover, "i", int, 0444,
"HCA failover for bonding (0 off, 1 on, other values reserved)");
-
static int require_privileged_port = 0;
CFS_MODULE_PARM(require_privileged_port, "i", int, 0644,
"require privileged port when accepting connection");
.kib_timeout = &timeout,
.kib_keepalive = &keepalive,
.kib_ntx = &ntx,
- .kib_credits = &credits,
- .kib_peertxcredits = &peer_credits,
- .kib_peercredits_hiw = &peer_credits_hiw,
- .kib_peerrtrcredits = &peer_buffer_credits,
- .kib_peertimeout = &peer_timeout,
.kib_default_ipif = &ipif_name,
.kib_retry_count = &retry_count,
.kib_rnr_retry_count = &rnr_retry_count,
- .kib_concurrent_sends = &concurrent_sends,
.kib_ib_mtu = &ib_mtu,
- .kib_map_on_demand = &map_on_demand,
- .kib_fmr_pool_size = &fmr_pool_size,
- .kib_fmr_flush_trigger = &fmr_flush_trigger,
- .kib_fmr_cache = &fmr_cache,
.kib_require_priv_port = &require_privileged_port,
.kib_use_priv_port = &use_privileged_port,
.kib_nscheds = &nscheds
};
+static struct lnet_ioctl_config_o2iblnd_tunables default_tunables;
+
#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
static char ipif_basename_space[32];
kiblnd_sysctl_fini (void)
{
}
-
#endif
+/* # messages/RDMAs in-flight */
int
-kiblnd_tunables_init (void)
+kiblnd_msg_queue_size(int version, lnet_ni_t *ni)
{
- if (kiblnd_translate_mtu(*kiblnd_tunables.kib_ib_mtu) < 0) {
- CERROR("Invalid ib_mtu %d, expected 256/512/1024/2048/4096\n",
- *kiblnd_tunables.kib_ib_mtu);
- return -EINVAL;
- }
-
- if (*kiblnd_tunables.kib_peertxcredits < IBLND_CREDITS_DEFAULT)
- *kiblnd_tunables.kib_peertxcredits = IBLND_CREDITS_DEFAULT;
-
- if (*kiblnd_tunables.kib_peertxcredits > IBLND_CREDITS_MAX)
- *kiblnd_tunables.kib_peertxcredits = IBLND_CREDITS_MAX;
-
- if (*kiblnd_tunables.kib_peertxcredits > *kiblnd_tunables.kib_credits)
- *kiblnd_tunables.kib_peertxcredits = *kiblnd_tunables.kib_credits;
-
- if (*kiblnd_tunables.kib_peercredits_hiw < *kiblnd_tunables.kib_peertxcredits / 2)
- *kiblnd_tunables.kib_peercredits_hiw = *kiblnd_tunables.kib_peertxcredits / 2;
-
- if (*kiblnd_tunables.kib_peercredits_hiw >= *kiblnd_tunables.kib_peertxcredits)
- *kiblnd_tunables.kib_peercredits_hiw = *kiblnd_tunables.kib_peertxcredits - 1;
-
- if (*kiblnd_tunables.kib_map_on_demand < 0 ||
- *kiblnd_tunables.kib_map_on_demand > IBLND_MAX_RDMA_FRAGS)
- *kiblnd_tunables.kib_map_on_demand = 0; /* disable map-on-demand */
-
- if (*kiblnd_tunables.kib_map_on_demand == 1)
- *kiblnd_tunables.kib_map_on_demand = 2; /* don't make sense to create map if only one fragment */
-
- if (*kiblnd_tunables.kib_concurrent_sends == 0) {
- if (*kiblnd_tunables.kib_map_on_demand > 0 &&
- *kiblnd_tunables.kib_map_on_demand <= IBLND_MAX_RDMA_FRAGS / 8)
- *kiblnd_tunables.kib_concurrent_sends = (*kiblnd_tunables.kib_peertxcredits) * 2;
- else
- *kiblnd_tunables.kib_concurrent_sends = (*kiblnd_tunables.kib_peertxcredits);
- }
-
- if (*kiblnd_tunables.kib_concurrent_sends > *kiblnd_tunables.kib_peertxcredits * 2)
- *kiblnd_tunables.kib_concurrent_sends = *kiblnd_tunables.kib_peertxcredits * 2;
-
- if (*kiblnd_tunables.kib_concurrent_sends < *kiblnd_tunables.kib_peertxcredits / 2)
- *kiblnd_tunables.kib_concurrent_sends = *kiblnd_tunables.kib_peertxcredits / 2;
+ if (version == IBLND_MSG_VERSION_1)
+ return IBLND_MSG_QUEUE_SIZE_V1;
+ else if (ni)
+ return ni->ni_peertxcredits;
+ else
+ return peer_credits;
+}
- if (*kiblnd_tunables.kib_concurrent_sends < *kiblnd_tunables.kib_peertxcredits) {
- CWARN("Concurrent sends %d is lower than message queue size: %d, "
- "performance may drop slightly.\n",
- *kiblnd_tunables.kib_concurrent_sends, *kiblnd_tunables.kib_peertxcredits);
- }
+int
+kiblnd_tunables_setup(lnet_ni_t *ni)
+{
+ struct lnet_ioctl_config_o2iblnd_tunables *tunables;
+
+ /*
+ * if there was no tunables specified, setup the tunables to be
+ * defaulted
+ */
+ if (!ni->ni_lnd_tunables) {
+ LIBCFS_ALLOC(ni->ni_lnd_tunables,
+ sizeof(*ni->ni_lnd_tunables));
+ if (!ni->ni_lnd_tunables)
+ return -ENOMEM;
+
+ memcpy(&ni->ni_lnd_tunables->lt_tun_u.lt_o2ib,
+ &default_tunables, sizeof(*tunables));
+ }
+ tunables = &ni->ni_lnd_tunables->lt_tun_u.lt_o2ib;
+
+ /* Current API version */
+ tunables->lnd_version = 0;
+
+ if (kiblnd_translate_mtu(*kiblnd_tunables.kib_ib_mtu) < 0) {
+ CERROR("Invalid ib_mtu %d, expected 256/512/1024/2048/4096\n",
+ *kiblnd_tunables.kib_ib_mtu);
+ return -EINVAL;
+ }
+
+ if (!ni->ni_peertimeout)
+ ni->ni_peertimeout = peer_timeout;
+
+ if (!ni->ni_maxtxcredits)
+ ni->ni_maxtxcredits = credits;
+
+ if (!ni->ni_peertxcredits)
+ ni->ni_peertxcredits = peer_credits;
+
+ if (!ni->ni_peerrtrcredits)
+ ni->ni_peerrtrcredits = peer_buffer_credits;
+
+ if (ni->ni_peertxcredits < IBLND_CREDITS_DEFAULT)
+ ni->ni_peertxcredits = IBLND_CREDITS_DEFAULT;
+
+ if (ni->ni_peertxcredits > IBLND_CREDITS_MAX)
+ ni->ni_peertxcredits = IBLND_CREDITS_MAX;
+
+ if (ni->ni_peertxcredits > credits)
+ ni->ni_peertxcredits = credits;
+
+ if (!tunables->lnd_peercredits_hiw)
+ tunables->lnd_peercredits_hiw = peer_credits_hiw;
+
+ if (tunables->lnd_peercredits_hiw < ni->ni_peertxcredits / 2)
+ tunables->lnd_peercredits_hiw = ni->ni_peertxcredits / 2;
+
+ if (tunables->lnd_peercredits_hiw >= ni->ni_peertxcredits)
+ tunables->lnd_peercredits_hiw = ni->ni_peertxcredits - 1;
+
+ if (tunables->lnd_map_on_demand < 0 ||
+ tunables->lnd_map_on_demand > IBLND_MAX_RDMA_FRAGS) {
+ /* disable map-on-demand */
+ tunables->lnd_map_on_demand = 0;
+ }
+
+ if (tunables->lnd_map_on_demand == 1) {
+ /* don't make sense to create map if only one fragment */
+ tunables->lnd_map_on_demand = 2;
+ }
+
+ if (tunables->lnd_concurrent_sends == 0) {
+ if (tunables->lnd_map_on_demand > 0 &&
+ tunables->lnd_map_on_demand <= IBLND_MAX_RDMA_FRAGS / 8) {
+ tunables->lnd_concurrent_sends =
+ ni->ni_peertxcredits * 2;
+ } else {
+ tunables->lnd_concurrent_sends = ni->ni_peertxcredits;
+ }
+ }
+
+ if (tunables->lnd_concurrent_sends > ni->ni_peertxcredits * 2)
+ tunables->lnd_concurrent_sends = ni->ni_peertxcredits * 2;
+
+ if (tunables->lnd_concurrent_sends < ni->ni_peertxcredits / 2)
+ tunables->lnd_concurrent_sends = ni->ni_peertxcredits / 2;
+
+ if (tunables->lnd_concurrent_sends < ni->ni_peertxcredits) {
+ CWARN("Concurrent sends %d is lower than message "
+ "queue size: %d, performance may drop slightly.\n",
+ tunables->lnd_concurrent_sends, ni->ni_peertxcredits);
+ }
+
+ if (!tunables->lnd_fmr_pool_size)
+ tunables->lnd_fmr_pool_size = fmr_pool_size;
+ if (!tunables->lnd_fmr_flush_trigger)
+ tunables->lnd_fmr_flush_trigger = fmr_flush_trigger;
+ if (!tunables->lnd_fmr_cache)
+ tunables->lnd_fmr_cache = fmr_cache;
+
+ return 0;
+}
- kiblnd_sysctl_init();
- return 0;
+int
+kiblnd_tunables_init(void)
+{
+ default_tunables.lnd_version = 0;
+ default_tunables.lnd_peercredits_hiw = peer_credits_hiw,
+ default_tunables.lnd_map_on_demand = map_on_demand;
+ default_tunables.lnd_concurrent_sends = concurrent_sends;
+ default_tunables.lnd_fmr_pool_size = fmr_pool_size;
+ default_tunables.lnd_fmr_flush_trigger = fmr_flush_trigger;
+ default_tunables.lnd_fmr_cache = fmr_cache;
+
+ kiblnd_sysctl_init();
+ return 0;
}
void
-kiblnd_tunables_fini (void)
+kiblnd_tunables_fini(void)
{
- kiblnd_sysctl_fini();
+ kiblnd_sysctl_fini();
}