| /* |
| * GPL HEADER START |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 only, |
| * as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License version 2 for more details (a copy is included |
| * in the LICENSE file that accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License |
| * version 2 along with this program; If not, see |
| * http://www.gnu.org/licenses/gpl-2.0.html |
| * |
| * GPL HEADER END |
| */ |
| /* |
| * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| |
| #define DEBUG_SUBSYSTEM S_LNET |
| #include "../../include/linux/lnet/lib-lnet.h" |
| |
| static int |
| lolnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) |
| { |
| LASSERT(!lntmsg->msg_routing); |
| LASSERT(!lntmsg->msg_target_is_router); |
| |
| return lnet_parse(ni, &lntmsg->msg_hdr, ni->ni_nid, lntmsg, 0); |
| } |
| |
| static int |
| lolnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, |
| int delayed, unsigned int niov, |
| struct kvec *iov, lnet_kiov_t *kiov, |
| unsigned int offset, unsigned int mlen, unsigned int rlen) |
| { |
| lnet_msg_t *sendmsg = private; |
| |
| if (lntmsg) { /* not discarding */ |
| if (sendmsg->msg_iov) { |
| if (iov) |
| lnet_copy_iov2iov(niov, iov, offset, |
| sendmsg->msg_niov, |
| sendmsg->msg_iov, |
| sendmsg->msg_offset, mlen); |
| else |
| lnet_copy_iov2kiov(niov, kiov, offset, |
| sendmsg->msg_niov, |
| sendmsg->msg_iov, |
| sendmsg->msg_offset, mlen); |
| } else { |
| if (iov) |
| lnet_copy_kiov2iov(niov, iov, offset, |
| sendmsg->msg_niov, |
| sendmsg->msg_kiov, |
| sendmsg->msg_offset, mlen); |
| else |
| lnet_copy_kiov2kiov(niov, kiov, offset, |
| sendmsg->msg_niov, |
| sendmsg->msg_kiov, |
| sendmsg->msg_offset, mlen); |
| } |
| |
| lnet_finalize(ni, lntmsg, 0); |
| } |
| |
| lnet_finalize(ni, sendmsg, 0); |
| return 0; |
| } |
| |
| static int lolnd_instanced; |
| |
| static void |
| lolnd_shutdown(lnet_ni_t *ni) |
| { |
| CDEBUG(D_NET, "shutdown\n"); |
| LASSERT(lolnd_instanced); |
| |
| lolnd_instanced = 0; |
| } |
| |
| static int |
| lolnd_startup(lnet_ni_t *ni) |
| { |
| LASSERT(ni->ni_lnd == &the_lolnd); |
| LASSERT(!lolnd_instanced); |
| lolnd_instanced = 1; |
| |
| return 0; |
| } |
| |
| lnd_t the_lolnd = { |
| /* .lnd_list = */ {&the_lolnd.lnd_list, &the_lolnd.lnd_list}, |
| /* .lnd_refcount = */ 0, |
| /* .lnd_type = */ LOLND, |
| /* .lnd_startup = */ lolnd_startup, |
| /* .lnd_shutdown = */ lolnd_shutdown, |
| /* .lnt_ctl = */ NULL, |
| /* .lnd_send = */ lolnd_send, |
| /* .lnd_recv = */ lolnd_recv, |
| /* .lnd_eager_recv = */ NULL, |
| /* .lnd_notify = */ NULL, |
| /* .lnd_accept = */ NULL |
| }; |