diff options
Diffstat (limited to 'include/rdma/ib_cache.h')
| -rw-r--r-- | include/rdma/ib_cache.h | 121 |
1 files changed, 45 insertions, 76 deletions
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h index ad9a3c280944..2bf09b594d10 100644 --- a/include/rdma/ib_cache.h +++ b/include/rdma/ib_cache.h @@ -1,35 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * Copyright (c) 2004 Topspin Communications. All rights reserved. * Copyright (c) 2005 Intel Corporation. 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. */ #ifndef _IB_CACHE_H @@ -37,37 +10,27 @@ #include <rdma/ib_verbs.h> -/** - * ib_get_cached_gid - Returns a cached GID table entry - * @device: The device to query. - * @port_num: The port number of the device to query. - * @index: The index into the cached GID table to query. - * @gid: The GID value found at the specified index. - * - * ib_get_cached_gid() fetches the specified GID table entry stored in - * the local software cache. - */ -int ib_get_cached_gid(struct ib_device *device, - u8 port_num, - int index, - union ib_gid *gid); +int rdma_query_gid(struct ib_device *device, u32 port_num, int index, + union ib_gid *gid); +void *rdma_read_gid_hw_context(const struct ib_gid_attr *attr); +const struct ib_gid_attr *rdma_find_gid(struct ib_device *device, + const union ib_gid *gid, + enum ib_gid_type gid_type, + struct net_device *ndev); +const struct ib_gid_attr *rdma_find_gid_by_port(struct ib_device *ib_dev, + const union ib_gid *gid, + enum ib_gid_type gid_type, + u32 port, + struct net_device *ndev); +const struct ib_gid_attr *rdma_find_gid_by_filter( + struct ib_device *device, const union ib_gid *gid, u32 port_num, + bool (*filter)(const union ib_gid *gid, const struct ib_gid_attr *, + void *), + void *context); -/** - * ib_find_cached_gid - Returns the port number and GID table index where - * a specified GID value occurs. - * @device: The device to query. - * @gid: The GID value to search for. - * @port_num: The port number of the device where the GID value was found. - * @index: The index into the cached GID table where the GID was found. This - * parameter may be NULL. - * - * ib_find_cached_gid() searches for the specified GID value in - * the local software cache. - */ -int ib_find_cached_gid(struct ib_device *device, - union ib_gid *gid, - u8 *port_num, - u16 *index); +int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr, + u16 *vlan_id, u8 *smac); +struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr); /** * ib_get_cached_pkey - Returns a cached PKey table entry @@ -80,7 +43,7 @@ int ib_find_cached_gid(struct ib_device *device, * the local software cache. */ int ib_get_cached_pkey(struct ib_device *device_handle, - u8 port_num, + u32 port_num, int index, u16 *pkey); @@ -96,37 +59,43 @@ int ib_get_cached_pkey(struct ib_device *device_handle, * the local software cache. */ int ib_find_cached_pkey(struct ib_device *device, - u8 port_num, + u32 port_num, u16 pkey, u16 *index); /** - * ib_find_exact_cached_pkey - Returns the PKey table index where a specified - * PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit) + * ib_get_cached_lmc - Returns a cached lmc table entry * @device: The device to query. - * @port_num: The port number of the device to search for the PKey. - * @pkey: The PKey value to search for. - * @index: The index into the cached PKey table where the PKey was found. + * @port_num: The port number of the device to query. + * @lmc: The lmc value for the specified port for that device. * - * ib_find_exact_cached_pkey() searches the specified PKey table in + * ib_get_cached_lmc() fetches the specified lmc table entry stored in * the local software cache. */ -int ib_find_exact_cached_pkey(struct ib_device *device, - u8 port_num, - u16 pkey, - u16 *index); +int ib_get_cached_lmc(struct ib_device *device, + u32 port_num, + u8 *lmc); /** - * ib_get_cached_lmc - Returns a cached lmc table entry + * ib_get_cached_port_state - Returns a cached port state table entry * @device: The device to query. * @port_num: The port number of the device to query. - * @lmc: The lmc value for the specified port for that device. + * @port_state: port_state for the specified port for that device. * - * ib_get_cached_lmc() fetches the specified lmc table entry stored in + * ib_get_cached_port_state() fetches the specified port_state table entry stored in * the local software cache. */ -int ib_get_cached_lmc(struct ib_device *device, - u8 port_num, - u8 *lmc); +int ib_get_cached_port_state(struct ib_device *device, + u32 port_num, + enum ib_port_state *port_active); + +bool rdma_is_zero_gid(const union ib_gid *gid); +const struct ib_gid_attr *rdma_get_gid_attr(struct ib_device *device, + u32 port_num, int index); +void rdma_put_gid_attr(const struct ib_gid_attr *attr); +void rdma_hold_gid_attr(const struct ib_gid_attr *attr); +ssize_t rdma_query_gid_table(struct ib_device *device, + struct ib_uverbs_gid_entry *entries, + size_t max_entries); #endif /* _IB_CACHE_H */ |