1 /*
2 * Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #ifndef MLX4_DRIVER_H
34 #define MLX4_DRIVER_H
35
36 #include <net/devlink.h>
37 #include <linux/mlx4/device.h>
38
39 struct mlx4_dev;
40
41 #define MLX4_MAC_MASK 0xffffffffffffULL
42
43 enum mlx4_dev_event {
44 MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
45 MLX4_DEV_EVENT_PORT_UP,
46 MLX4_DEV_EVENT_PORT_DOWN,
47 MLX4_DEV_EVENT_PORT_REINIT,
48 MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
49 MLX4_DEV_EVENT_SLAVE_INIT,
50 MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
51 };
52
53 enum {
54 MLX4_INTFF_BONDING = 1 << 0
55 };
56
57 struct mlx4_interface {
58 void * (*add) (struct mlx4_dev *dev);
59 void (*remove)(struct mlx4_dev *dev, void *context);
60 void (*event) (struct mlx4_dev *dev, void *context,
61 enum mlx4_dev_event event, unsigned long param);
62 void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
63 void (*activate)(struct mlx4_dev *dev, void *context);
64 struct list_head list;
65 enum mlx4_protocol protocol;
66 int flags;
67 };
68
69 int mlx4_register_interface(struct mlx4_interface *intf);
70 void mlx4_unregister_interface(struct mlx4_interface *intf);
71
72 int mlx4_bond(struct mlx4_dev *dev);
73 int mlx4_unbond(struct mlx4_dev *dev);
mlx4_is_bonded(struct mlx4_dev * dev)74 static inline int mlx4_is_bonded(struct mlx4_dev *dev)
75 {
76 return !!(dev->flags & MLX4_FLAG_BONDED);
77 }
78
mlx4_is_mf_bonded(struct mlx4_dev * dev)79 static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev)
80 {
81 return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev));
82 }
83
84 struct mlx4_port_map {
85 u8 port1;
86 u8 port2;
87 };
88
89 int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
90
91 void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
92
93 struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
94
mlx4_mac_to_u64(u8 * addr)95 static inline u64 mlx4_mac_to_u64(u8 *addr)
96 {
97 u64 mac = 0;
98 int i;
99
100 for (i = 0; i < ETH_ALEN; i++) {
101 mac <<= 8;
102 mac |= addr[i];
103 }
104 return mac;
105 }
106
mlx4_u64_to_mac(u8 * addr,u64 mac)107 static inline void mlx4_u64_to_mac(u8 *addr, u64 mac)
108 {
109 int i;
110
111 for (i = ETH_ALEN; i > 0; i--) {
112 addr[i - 1] = mac & 0xFF;
113 mac >>= 8;
114 }
115 }
116
117 #endif /* MLX4_DRIVER_H */
118