linux/drivers/infiniband/hw/mthca/mthca_av.c

/*
 * Copyright (c) 2004 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/string.h>
#include <linux/slab.h>

#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>

#include "mthca_dev.h"

enum { … };

enum { … };

struct mthca_av { … };

static enum ib_rate memfree_rate_to_ib(u8 mthca_rate, u8 port_rate)
{ … }

static enum ib_rate tavor_rate_to_ib(u8 mthca_rate, u8 port_rate)
{ … }

enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u32 port)
{ … }

static u8 ib_rate_to_memfree(u8 req_rate, u8 cur_rate)
{ … }

static u8 ib_rate_to_tavor(u8 static_rate)
{ … }

u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u32 port)
{ … }

int mthca_create_ah(struct mthca_dev *dev,
		    struct mthca_pd *pd,
		    struct rdma_ah_attr *ah_attr,
		    struct mthca_ah *ah)
{ … }

int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
{ … }

int mthca_ah_grh_present(struct mthca_ah *ah)
{ … }

int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
		  struct ib_ud_header *header)
{ … }

int mthca_ah_query(struct ib_ah *ibah, struct rdma_ah_attr *attr)
{ … }

int mthca_init_av_table(struct mthca_dev *dev)
{ … }

void mthca_cleanup_av_table(struct mthca_dev *dev)
{ … }