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LU-7734 lnet: rename LND peer to peer_ni
[fs/lustre-release.git] / lnet / klnds / socklnd / socklnd_lib.c
index f270fa7..1215488 100644 (file)
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -27,7 +23,7 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
 
 #include "socklnd.h"
 
-# if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
-
-static struct ctl_table ksocknal_ctl_table[] = {
-       {
-               INIT_CTL_NAME
-               .procname       = "timeout",
-               .data           = &ksocknal_tunables.ksnd_timeout,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "credits",
-               .data           = &ksocknal_tunables.ksnd_credits,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "peer_credits",
-               .data           = &ksocknal_tunables.ksnd_peertxcredits,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "peer_buffer_credits",
-               .data           = &ksocknal_tunables.ksnd_peerrtrcredits,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "peer_timeout",
-               .data           = &ksocknal_tunables.ksnd_peertimeout,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "nconnds",
-               .data           = &ksocknal_tunables.ksnd_nconnds,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "min_reconnectms",
-               .data           = &ksocknal_tunables.ksnd_min_reconnectms,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "max_reconnectms",
-               .data           = &ksocknal_tunables.ksnd_max_reconnectms,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "eager_ack",
-               .data           = &ksocknal_tunables.ksnd_eager_ack,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "zero_copy",
-               .data           = &ksocknal_tunables.ksnd_zc_min_payload,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "zero_copy_recv",
-               .data           = &ksocknal_tunables.ksnd_zc_recv,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "zero_copy_recv",
-               .data           = &ksocknal_tunables.ksnd_zc_recv_min_nfrags,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "typed",
-               .data           = &ksocknal_tunables.ksnd_typed_conns,
-               .maxlen         = sizeof (int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "min_bulk",
-               .data           = &ksocknal_tunables.ksnd_min_bulk,
-               .maxlen         = sizeof (int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "rx_buffer_size",
-               .data           = &ksocknal_tunables.ksnd_rx_buffer_size,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "tx_buffer_size",
-               .data           = &ksocknal_tunables.ksnd_tx_buffer_size,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "nagle",
-               .data           = &ksocknal_tunables.ksnd_nagle,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-#ifdef CPU_AFFINITY
-       {
-               INIT_CTL_NAME
-               .procname       = "irq_affinity",
-               .data           = &ksocknal_tunables.ksnd_irq_affinity,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-#endif
-       {
-               INIT_CTL_NAME
-               .procname       = "round_robin",
-               .data           = &ksocknal_tunables.ksnd_round_robin,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "keepalive",
-               .data           = &ksocknal_tunables.ksnd_keepalive,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "keepalive_idle",
-               .data           = &ksocknal_tunables.ksnd_keepalive_idle,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "keepalive_count",
-               .data           = &ksocknal_tunables.ksnd_keepalive_count,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "keepalive_intvl",
-               .data           = &ksocknal_tunables.ksnd_keepalive_intvl,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-#ifdef SOCKNAL_BACKOFF
-       {
-               INIT_CTL_NAME
-               .procname       = "backoff_init",
-               .data           = &ksocknal_tunables.ksnd_backoff_init,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-       {
-               INIT_CTL_NAME
-               .procname       = "backoff_max",
-               .data           = &ksocknal_tunables.ksnd_backoff_max,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-#endif
-#if SOCKNAL_VERSION_DEBUG
-       {
-               INIT_CTL_NAME
-               .procname       = "protocol",
-               .data           = &ksocknal_tunables.ksnd_protocol,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-               INIT_STRATEGY
-       },
-#endif
-       { 0 }
-};
-
-struct ctl_table ksocknal_top_ctl_table[] = {
-       {
-               INIT_CTL_NAME
-               .procname       = "socknal",
-               .data           = NULL,
-               .maxlen         = 0,
-               .mode           = 0555,
-               .child          = ksocknal_ctl_table
-       },
-       { 0 }
-};
-
-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)
-               *ksocknal_tunables.ksnd_zc_recv_min_nfrags = LNET_MAX_IOV;
-
-       ksocknal_tunables.ksnd_sysctl =
-               register_sysctl_table(ksocknal_top_ctl_table);
-
-       if (ksocknal_tunables.ksnd_sysctl == NULL)
-               CWARN("Can't setup /proc tunables\n");
-
-       return 0;
-}
-
-void
-ksocknal_lib_tunables_fini ()
-{
-       if (ksocknal_tunables.ksnd_sysctl != NULL)
-               unregister_sysctl_table(ksocknal_tunables.ksnd_sysctl);
-}
-#else
-int
-ksocknal_lib_tunables_init ()
-{
-        return 0;
-}
-
-void
-ksocknal_lib_tunables_fini ()
-{
-}
-#endif /* # if CONFIG_SYSCTL && !CFS_SYSFS_MODULE_PARM */
-
 int
 ksocknal_lib_get_conn_addrs (ksock_conn_t *conn)
 {
@@ -353,7 +43,7 @@ ksocknal_lib_get_conn_addrs (ksock_conn_t *conn)
         LASSERT (!conn->ksnc_closing);
 
         if (rc != 0) {
-                CERROR ("Error %d getting sock peer IP\n", rc);
+                CERROR ("Error %d getting sock peer_ni IP\n", rc);
                 return rc;
         }
 
@@ -377,7 +67,7 @@ ksocknal_lib_zc_capable(ksock_conn_t *conn)
 
        /* ZC if the socket supports scatter/gather and doesn't need software
         * checksums */
-       return ((caps & NETIF_F_SG) != 0 && (caps & NETIF_F_ALL_CSUM) != 0);
+       return ((caps & NETIF_F_SG) != 0 && (caps & NETIF_F_CSUM_MASK) != 0);
 }
 
 int
@@ -499,7 +189,7 @@ ksocknal_lib_eager_ack (ksock_conn_t *conn)
         /* Remind the socket to ACK eagerly.  If I don't, the socket might
          * think I'm about to send something it could piggy-back the ACK
          * on, introducing delay in completing zero-copy sends in my
-         * peer. */
+         * peer_ni. */
 
        kernel_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
                          (char *)&opt, sizeof(opt));
@@ -593,7 +283,7 @@ ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov,
         for (nob = i = 0; i < niov; i++) {
                 if ((kiov[i].kiov_offset != 0 && i > 0) ||
                    (kiov[i].kiov_offset + kiov[i].kiov_len !=
-                    PAGE_CACHE_SIZE && i < niov - 1))
+                    PAGE_SIZE && i < niov - 1))
                         return NULL;
 
                 pages[i] = kiov[i].kiov_page;