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(rxe, fmt, ...) ibdev_dbg(&(rxe)->ib_dev,		\
42		"%s: " fmt, __func__, ##__VA_ARGS__)
43#define rxe_dbg_uc(uc, fmt, ...) ibdev_dbg((uc)->ibuc.device,		\
44		"uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
45#define rxe_dbg_pd(pd, fmt, ...) ibdev_dbg((pd)->ibpd.device,		\
46		"pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
47#define rxe_dbg_ah(ah, fmt, ...) ibdev_dbg((ah)->ibah.device,		\
48		"ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
49#define rxe_dbg_srq(srq, fmt, ...) ibdev_dbg((srq)->ibsrq.device,	\
50		"srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
51#define rxe_dbg_qp(qp, fmt, ...) ibdev_dbg((qp)->ibqp.device,		\
52		"qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
53#define rxe_dbg_cq(cq, fmt, ...) ibdev_dbg((cq)->ibcq.device,		\
54		"cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
55#define rxe_dbg_mr(mr, fmt, ...) ibdev_dbg((mr)->ibmr.device,		\
56		"mr#%d %s:  " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
57#define rxe_dbg_mw(mw, fmt, ...) ibdev_dbg((mw)->ibmw.device,		\
58		"mw#%d %s:  " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
59
60void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
61
62int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
63
64void rxe_rcv(struct sk_buff *skb);
65
66/* The caller must do a matching ib_device_put(&dev->ib_dev) */
67static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
68{
69	struct ib_device *ibdev =
70		ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
71
72	if (!ibdev)
73		return NULL;
74	return container_of(ibdev, struct rxe_dev, ib_dev);
75}
76
77void rxe_port_up(struct rxe_dev *rxe);
78void rxe_port_down(struct rxe_dev *rxe);
79void rxe_set_port_state(struct rxe_dev *rxe);
80
81#endif /* RXE_H */