diff options
Diffstat (limited to 'include/rdma/ib_sa.h')
| -rw-r--r-- | include/rdma/ib_sa.h | 206 |
1 files changed, 77 insertions, 129 deletions
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index 355b81f4242d..95e8924ad563 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.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 Voltaire, Inc. All rights reserved. * Copyright (c) 2006 Intel Corporation. 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_SA_H @@ -163,13 +136,16 @@ struct sa_path_rec_ib { u8 raw_traffic; }; +/** + * struct sa_path_rec_roce - RoCE specific portion of the path record entry + * @route_resolved: When set, it indicates that this route is already + * resolved for this path record entry. + * @dmac: Destination mac address for the given DGID entry + * of the path record entry. + */ struct sa_path_rec_roce { - u8 dmac[ETH_ALEN]; - /* ignored in IB */ - int ifindex; - /* ignored in IB */ - struct net *net; - + bool route_resolved; + u8 dmac[ETH_ALEN]; }; struct sa_path_rec_opa { @@ -210,6 +186,21 @@ struct sa_path_rec { struct sa_path_rec_opa opa; }; enum sa_path_rec_type rec_type; + u32 flags; +}; + +struct sa_service_rec { + __be64 id; + __u8 gid[16]; + __be16 pkey; + __u8 reserved[2]; + __be32 lease; + __u8 key[16]; + __u8 name[64]; + __u8 data_8[16]; + __be16 data_16[8]; + __be32 data_32[4]; + __be64 data_64[2]; }; static inline enum ib_gid_type @@ -390,20 +381,6 @@ struct ib_sa_mcmember_rec { #define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF -struct ib_sa_service_rec { - u64 id; - union ib_gid gid; - __be16 pkey; - /* reserved */ - u32 lease; - u8 key[16]; - u8 name[64]; - u8 data8[16]; - u16 data16[8]; - u32 data32[4]; - u64 data64[2]; -}; - #define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0) #define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1) #define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2) @@ -446,28 +423,24 @@ struct ib_sa_query; void ib_sa_cancel_query(int id, struct ib_sa_query *query); -int ib_sa_path_rec_get(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, - struct sa_path_rec *rec, - ib_sa_comp_mask comp_mask, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct sa_path_rec *resp, - void *context), - void *context, - struct ib_sa_query **query); - -int ib_sa_service_rec_query(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, - u8 method, - struct ib_sa_service_rec *rec, - ib_sa_comp_mask comp_mask, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct ib_sa_service_rec *resp, - void *context), - void *context, - struct ib_sa_query **sa_query); +int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device, + u32 port_num, struct sa_path_rec *rec, + ib_sa_comp_mask comp_mask, unsigned long timeout_ms, + gfp_t gfp_mask, + void (*callback)(int status, struct sa_path_rec *resp, + unsigned int num_prs, void *context), + void *context, struct ib_sa_query **query); + +int ib_sa_service_rec_get(struct ib_sa_client *client, + struct ib_device *device, u32 port_num, + struct sa_service_rec *rec, + ib_sa_comp_mask comp_mask, + unsigned long timeout_ms, gfp_t gfp_mask, + void (*callback)(int status, + struct sa_service_rec *resp, + unsigned int num_services, + void *context), + void *context, struct ib_sa_query **sa_query); struct ib_sa_multicast { struct ib_sa_mcmember_rec rec; @@ -506,7 +479,8 @@ struct ib_sa_multicast { * group, and the user must rejoin the group to continue using it. */ struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, + struct ib_device *device, + u32 port_num, struct ib_sa_mcmember_rec *rec, ib_sa_comp_mask comp_mask, gfp_t gfp_mask, int (*callback)(int status, @@ -535,26 +509,23 @@ void ib_sa_free_multicast(struct ib_sa_multicast *multicast); * @mgid: MGID of multicast group. * @rec: Location to copy SA multicast member record. */ -int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num, +int ib_sa_get_mcmember_rec(struct ib_device *device, u32 port_num, union ib_gid *mgid, struct ib_sa_mcmember_rec *rec); /** * ib_init_ah_from_mcmember - Initialize address handle attributes based on * an SA multicast member record. */ -int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num, +int ib_init_ah_from_mcmember(struct ib_device *device, u32 port_num, struct ib_sa_mcmember_rec *rec, struct net_device *ndev, enum ib_gid_type gid_type, struct rdma_ah_attr *ah_attr); -/** - * ib_init_ah_from_path - Initialize address handle attributes based on an SA - * path record. - */ -int ib_init_ah_from_path(struct ib_device *device, u8 port_num, - struct sa_path_rec *rec, - struct rdma_ah_attr *ah_attr); +int ib_init_ah_attr_from_path(struct ib_device *device, u32 port_num, + struct sa_path_rec *rec, + struct rdma_ah_attr *ah_attr, + const struct ib_gid_attr *sgid_attr); /** * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec @@ -563,6 +534,18 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute); /** + * ib_sa_pack_service - Convert a service record from struct ib_sa_service_rec + * to IB MAD wire format. + */ +void ib_sa_pack_service(struct sa_service_rec *rec, void *attribute); + +/** + * ib_sa_unpack_service - Convert a service record from MAD format to struct + * ib_sa_service_rec. + */ +void ib_sa_unpack_service(void *attribute, struct sa_service_rec *rec); + +/** * ib_sa_unpack_path - Convert a path record from MAD format to struct * ib_sa_path_rec. */ @@ -570,19 +553,14 @@ void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec); /* Support GuidInfoRecord */ int ib_sa_guid_info_rec_query(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, + struct ib_device *device, u32 port_num, struct ib_sa_guidinfo_rec *rec, ib_sa_comp_mask comp_mask, u8 method, - int timeout_ms, gfp_t gfp_mask, + unsigned long timeout_ms, gfp_t gfp_mask, void (*callback)(int status, struct ib_sa_guidinfo_rec *resp, void *context), - void *context, - struct ib_sa_query **sa_query); - -bool ib_sa_sendonly_fullmem_support(struct ib_sa_client *client, - struct ib_device *device, - u8 port_num); + void *context, struct ib_sa_query **sa_query); static inline bool sa_path_is_roce(struct sa_path_rec *rec) { @@ -590,20 +568,25 @@ static inline bool sa_path_is_roce(struct sa_path_rec *rec) (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2)); } -static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid) +static inline bool sa_path_is_opa(struct sa_path_rec *rec) +{ + return (rec->rec_type == SA_PATH_REC_TYPE_OPA); +} + +static inline void sa_path_set_slid(struct sa_path_rec *rec, u32 slid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) - rec->ib.slid = htons(ntohl(slid)); + rec->ib.slid = cpu_to_be16(slid); else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - rec->opa.slid = slid; + rec->opa.slid = cpu_to_be32(slid); } -static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid) +static inline void sa_path_set_dlid(struct sa_path_rec *rec, u32 dlid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) - rec->ib.dlid = htons(ntohl(dlid)); + rec->ib.dlid = cpu_to_be16(dlid); else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - rec->opa.dlid = dlid; + rec->opa.dlid = cpu_to_be32(dlid); } static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec, @@ -654,45 +637,10 @@ static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec) eth_zero_addr(rec->roce.dmac); } -static inline void sa_path_set_ifindex(struct sa_path_rec *rec, int ifindex) -{ - if (sa_path_is_roce(rec)) - rec->roce.ifindex = ifindex; -} - -static inline void sa_path_set_ndev(struct sa_path_rec *rec, struct net *net) -{ - if (sa_path_is_roce(rec)) - rec->roce.net = net; -} - static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec) { if (sa_path_is_roce(rec)) return rec->roce.dmac; return NULL; } - -static inline int sa_path_get_ifindex(struct sa_path_rec *rec) -{ - if (sa_path_is_roce(rec)) - return rec->roce.ifindex; - return 0; -} - -static inline struct net *sa_path_get_ndev(struct sa_path_rec *rec) -{ - if (sa_path_is_roce(rec)) - return rec->roce.net; - return NULL; -} - -static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec) -{ - return sa_path_get_ndev(rec) ? - dev_get_by_index(sa_path_get_ndev(rec), - sa_path_get_ifindex(rec)) - : NULL; -} - #endif /* IB_SA_H */ |