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/*
* 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.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.
*
* 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 != NULL) { /* not discarding */
if (sendmsg->msg_iov != NULL) {
if (iov != NULL)
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 != NULL)
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
};
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