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1/*
2 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
3 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef RXE_H
35#define RXE_H
36
37#ifdef pr_fmt
38#undef pr_fmt
39#endif
40#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
41
42#include <linux/module.h>
43#include <linux/skbuff.h>
44#include <linux/crc32.h>
45
46#include <rdma/ib_verbs.h>
47#include <rdma/ib_user_verbs.h>
48#include <rdma/ib_pack.h>
49#include <rdma/ib_smi.h>
50#include <rdma/ib_umem.h>
51#include <rdma/ib_cache.h>
52#include <rdma/ib_addr.h>
53
54#include "rxe_net.h"
55#include "rxe_opcode.h"
56#include "rxe_hdr.h"
57#include "rxe_param.h"
58#include "rxe_verbs.h"
59
60#define RXE_UVERBS_ABI_VERSION (1)
61
62#define IB_PHYS_STATE_LINK_UP (5)
63#define IB_PHYS_STATE_LINK_DOWN (3)
64
65#define RXE_ROCE_V2_SPORT (0xc000)
66
67int rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
68
69int rxe_add(struct rxe_dev *rxe, unsigned int mtu);
70void rxe_remove(struct rxe_dev *rxe);
71void rxe_remove_all(void);
72
73int rxe_rcv(struct sk_buff *skb);
74
75void rxe_dev_put(struct rxe_dev *rxe);
76struct rxe_dev *net_to_rxe(struct net_device *ndev);
77struct rxe_dev *get_rxe_by_name(const char* name);
78
79void rxe_port_up(struct rxe_dev *rxe);
80void rxe_port_down(struct rxe_dev *rxe);
81
82#endif /* RXE_H */
1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/*
3 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
4 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
5 */
6
7#ifndef RXE_H
8#define RXE_H
9
10#ifdef pr_fmt
11#undef pr_fmt
12#endif
13#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
14
15#include <linux/skbuff.h>
16
17#include <rdma/ib_verbs.h>
18#include <rdma/ib_user_verbs.h>
19#include <rdma/ib_pack.h>
20#include <rdma/ib_smi.h>
21#include <rdma/ib_umem.h>
22#include <rdma/ib_cache.h>
23#include <rdma/ib_addr.h>
24#include <crypto/hash.h>
25
26#include "rxe_net.h"
27#include "rxe_opcode.h"
28#include "rxe_hdr.h"
29#include "rxe_param.h"
30#include "rxe_verbs.h"
31#include "rxe_loc.h"
32
33/*
34 * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit
35 * machines Version 2 has a different struct layout.
36 */
37#define RXE_UVERBS_ABI_VERSION 2
38
39#define RXE_ROCE_V2_SPORT (0xc000)
40
41#define rxe_dbg(fmt, ...) pr_debug("%s: " fmt "\n", __func__, ##__VA_ARGS__)
42#define rxe_dbg_dev(rxe, fmt, ...) ibdev_dbg(&(rxe)->ib_dev, \
43 "%s: " fmt, __func__, ##__VA_ARGS__)
44#define rxe_dbg_uc(uc, fmt, ...) ibdev_dbg((uc)->ibuc.device, \
45 "uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
46#define rxe_dbg_pd(pd, fmt, ...) ibdev_dbg((pd)->ibpd.device, \
47 "pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
48#define rxe_dbg_ah(ah, fmt, ...) ibdev_dbg((ah)->ibah.device, \
49 "ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
50#define rxe_dbg_srq(srq, fmt, ...) ibdev_dbg((srq)->ibsrq.device, \
51 "srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
52#define rxe_dbg_qp(qp, fmt, ...) ibdev_dbg((qp)->ibqp.device, \
53 "qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
54#define rxe_dbg_cq(cq, fmt, ...) ibdev_dbg((cq)->ibcq.device, \
55 "cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
56#define rxe_dbg_mr(mr, fmt, ...) ibdev_dbg((mr)->ibmr.device, \
57 "mr#%d %s: " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
58#define rxe_dbg_mw(mw, fmt, ...) ibdev_dbg((mw)->ibmw.device, \
59 "mw#%d %s: " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
60
61#define rxe_err(fmt, ...) pr_err_ratelimited("%s: " fmt "\n", __func__, \
62 ##__VA_ARGS__)
63#define rxe_err_dev(rxe, fmt, ...) ibdev_err_ratelimited(&(rxe)->ib_dev, \
64 "%s: " fmt, __func__, ##__VA_ARGS__)
65#define rxe_err_uc(uc, fmt, ...) ibdev_err_ratelimited((uc)->ibuc.device, \
66 "uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
67#define rxe_err_pd(pd, fmt, ...) ibdev_err_ratelimited((pd)->ibpd.device, \
68 "pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
69#define rxe_err_ah(ah, fmt, ...) ibdev_err_ratelimited((ah)->ibah.device, \
70 "ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
71#define rxe_err_srq(srq, fmt, ...) ibdev_err_ratelimited((srq)->ibsrq.device, \
72 "srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
73#define rxe_err_qp(qp, fmt, ...) ibdev_err_ratelimited((qp)->ibqp.device, \
74 "qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
75#define rxe_err_cq(cq, fmt, ...) ibdev_err_ratelimited((cq)->ibcq.device, \
76 "cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
77#define rxe_err_mr(mr, fmt, ...) ibdev_err_ratelimited((mr)->ibmr.device, \
78 "mr#%d %s: " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
79#define rxe_err_mw(mw, fmt, ...) ibdev_err_ratelimited((mw)->ibmw.device, \
80 "mw#%d %s: " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
81
82#define rxe_info(fmt, ...) pr_info_ratelimited("%s: " fmt "\n", __func__, \
83 ##__VA_ARGS__)
84#define rxe_info_dev(rxe, fmt, ...) ibdev_info_ratelimited(&(rxe)->ib_dev, \
85 "%s: " fmt, __func__, ##__VA_ARGS__)
86#define rxe_info_uc(uc, fmt, ...) ibdev_info_ratelimited((uc)->ibuc.device, \
87 "uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
88#define rxe_info_pd(pd, fmt, ...) ibdev_info_ratelimited((pd)->ibpd.device, \
89 "pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
90#define rxe_info_ah(ah, fmt, ...) ibdev_info_ratelimited((ah)->ibah.device, \
91 "ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
92#define rxe_info_srq(srq, fmt, ...) ibdev_info_ratelimited((srq)->ibsrq.device, \
93 "srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
94#define rxe_info_qp(qp, fmt, ...) ibdev_info_ratelimited((qp)->ibqp.device, \
95 "qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
96#define rxe_info_cq(cq, fmt, ...) ibdev_info_ratelimited((cq)->ibcq.device, \
97 "cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
98#define rxe_info_mr(mr, fmt, ...) ibdev_info_ratelimited((mr)->ibmr.device, \
99 "mr#%d %s: " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
100#define rxe_info_mw(mw, fmt, ...) ibdev_info_ratelimited((mw)->ibmw.device, \
101 "mw#%d %s: " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
102
103/* responder states */
104enum resp_states {
105 RESPST_NONE,
106 RESPST_GET_REQ,
107 RESPST_CHK_PSN,
108 RESPST_CHK_OP_SEQ,
109 RESPST_CHK_OP_VALID,
110 RESPST_CHK_RESOURCE,
111 RESPST_CHK_LENGTH,
112 RESPST_CHK_RKEY,
113 RESPST_EXECUTE,
114 RESPST_READ_REPLY,
115 RESPST_ATOMIC_REPLY,
116 RESPST_ATOMIC_WRITE_REPLY,
117 RESPST_PROCESS_FLUSH,
118 RESPST_COMPLETE,
119 RESPST_ACKNOWLEDGE,
120 RESPST_CLEANUP,
121 RESPST_DUPLICATE_REQUEST,
122 RESPST_ERR_MALFORMED_WQE,
123 RESPST_ERR_UNSUPPORTED_OPCODE,
124 RESPST_ERR_MISALIGNED_ATOMIC,
125 RESPST_ERR_PSN_OUT_OF_SEQ,
126 RESPST_ERR_MISSING_OPCODE_FIRST,
127 RESPST_ERR_MISSING_OPCODE_LAST_C,
128 RESPST_ERR_MISSING_OPCODE_LAST_D1E,
129 RESPST_ERR_TOO_MANY_RDMA_ATM_REQ,
130 RESPST_ERR_RNR,
131 RESPST_ERR_RKEY_VIOLATION,
132 RESPST_ERR_INVALIDATE_RKEY,
133 RESPST_ERR_LENGTH,
134 RESPST_ERR_CQ_OVERFLOW,
135 RESPST_ERROR,
136 RESPST_DONE,
137 RESPST_EXIT,
138};
139
140void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
141
142int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
143
144void rxe_rcv(struct sk_buff *skb);
145
146/* The caller must do a matching ib_device_put(&dev->ib_dev) */
147static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
148{
149 struct ib_device *ibdev =
150 ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
151
152 if (!ibdev)
153 return NULL;
154 return container_of(ibdev, struct rxe_dev, ib_dev);
155}
156
157void rxe_port_up(struct rxe_dev *rxe);
158void rxe_port_down(struct rxe_dev *rxe);
159void rxe_set_port_state(struct rxe_dev *rxe);
160
161#endif /* RXE_H */