xref: /openbmc/linux/drivers/infiniband/sw/rxe/rxe.h (revision cef69974)
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 void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
42 
43 int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
44 
45 void rxe_rcv(struct sk_buff *skb);
46 
47 /* The caller must do a matching ib_device_put(&dev->ib_dev) */
48 static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
49 {
50 	struct ib_device *ibdev =
51 		ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
52 
53 	if (!ibdev)
54 		return NULL;
55 	return container_of(ibdev, struct rxe_dev, ib_dev);
56 }
57 
58 void rxe_port_up(struct rxe_dev *rxe);
59 void rxe_port_down(struct rxe_dev *rxe);
60 void rxe_set_port_state(struct rxe_dev *rxe);
61 
62 #endif /* RXE_H */
63