99b27e3b5d
GID cache API users might want to search for GIDs with specific attributes rather than just specifying GID, net device and port. This is used in a later patch, where we find the sgid index by L2 Ethernet attributes. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-By: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
164 lines
6.1 KiB
C
164 lines
6.1 KiB
C
/*
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* Copyright (c) 2004 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 Intel Corporation. All rights reserved.
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* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _IB_CACHE_H
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#define _IB_CACHE_H
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#include <rdma/ib_verbs.h>
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/**
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* ib_get_cached_gid - Returns a cached GID table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @index: The index into the cached GID table to query.
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* @gid: The GID value found at the specified index.
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* @attr: The GID attribute found at the specified index (only in RoCE).
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* NULL means ignore (output parameter).
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*
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* ib_get_cached_gid() fetches the specified GID table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_gid(struct ib_device *device,
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u8 port_num,
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int index,
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union ib_gid *gid,
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struct ib_gid_attr *attr);
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/**
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* ib_find_cached_gid - Returns the port number and GID table index where
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* a specified GID value occurs.
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* @device: The device to query.
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* @gid: The GID value to search for.
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* @ndev: In RoCE, the net device of the device. NULL means ignore.
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* @port_num: The port number of the device where the GID value was found.
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* @index: The index into the cached GID table where the GID was found. This
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* parameter may be NULL.
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*
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* ib_find_cached_gid() searches for the specified GID value in
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* the local software cache.
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*/
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int ib_find_cached_gid(struct ib_device *device,
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const union ib_gid *gid,
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struct net_device *ndev,
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u8 *port_num,
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u16 *index);
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/**
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* ib_find_cached_gid_by_port - Returns the GID table index where a specified
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* GID value occurs
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* @device: The device to query.
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* @gid: The GID value to search for.
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* @port_num: The port number of the device where the GID value sould be
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* searched.
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* @ndev: In RoCE, the net device of the device. Null means ignore.
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* @index: The index into the cached GID table where the GID was found. This
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* parameter may be NULL.
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*
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* ib_find_cached_gid() searches for the specified GID value in
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* the local software cache.
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*/
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int ib_find_cached_gid_by_port(struct ib_device *device,
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const union ib_gid *gid,
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u8 port_num,
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struct net_device *ndev,
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u16 *index);
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int ib_find_gid_by_filter(struct ib_device *device,
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const union ib_gid *gid,
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u8 port_num,
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bool (*filter)(const union ib_gid *gid,
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const struct ib_gid_attr *,
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void *),
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void *context, u16 *index);
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/**
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* ib_get_cached_pkey - Returns a cached PKey table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @index: The index into the cached PKey table to query.
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* @pkey: The PKey value found at the specified index.
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*
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* ib_get_cached_pkey() fetches the specified PKey table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_pkey(struct ib_device *device_handle,
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u8 port_num,
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int index,
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u16 *pkey);
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/**
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* ib_find_cached_pkey - Returns the PKey table index where a specified
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* PKey value occurs.
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* @device: The device to query.
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* @port_num: The port number of the device to search for the PKey.
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* @pkey: The PKey value to search for.
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* @index: The index into the cached PKey table where the PKey was found.
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*
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* ib_find_cached_pkey() searches the specified PKey table in
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* the local software cache.
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*/
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int ib_find_cached_pkey(struct ib_device *device,
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u8 port_num,
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u16 pkey,
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u16 *index);
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/**
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* ib_find_exact_cached_pkey - Returns the PKey table index where a specified
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* PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit)
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* @device: The device to query.
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* @port_num: The port number of the device to search for the PKey.
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* @pkey: The PKey value to search for.
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* @index: The index into the cached PKey table where the PKey was found.
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*
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* ib_find_exact_cached_pkey() searches the specified PKey table in
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* the local software cache.
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*/
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int ib_find_exact_cached_pkey(struct ib_device *device,
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u8 port_num,
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u16 pkey,
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u16 *index);
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/**
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* ib_get_cached_lmc - Returns a cached lmc table entry
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* @device: The device to query.
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* @port_num: The port number of the device to query.
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* @lmc: The lmc value for the specified port for that device.
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*
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* ib_get_cached_lmc() fetches the specified lmc table entry stored in
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* the local software cache.
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*/
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int ib_get_cached_lmc(struct ib_device *device,
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u8 port_num,
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u8 *lmc);
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#endif /* _IB_CACHE_H */
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