1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * This software is available to you under a choice of one of two
5*4882a593Smuzhiyun * licenses. You may choose to be licensed under the terms of the GNU
6*4882a593Smuzhiyun * General Public License (GPL) Version 2, available from the file
7*4882a593Smuzhiyun * COPYING in the main directory of this source tree, or the
8*4882a593Smuzhiyun * OpenIB.org BSD license below:
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or
11*4882a593Smuzhiyun * without modification, are permitted provided that the following
12*4882a593Smuzhiyun * conditions are met:
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * - Redistributions of source code must retain the above
15*4882a593Smuzhiyun * copyright notice, this list of conditions and the following
16*4882a593Smuzhiyun * disclaimer.
17*4882a593Smuzhiyun *
18*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above
19*4882a593Smuzhiyun * copyright notice, this list of conditions and the following
20*4882a593Smuzhiyun * disclaimer in the documentation and/or other materials
21*4882a593Smuzhiyun * provided with the distribution.
22*4882a593Smuzhiyun *
23*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30*4882a593Smuzhiyun * SOFTWARE.
31*4882a593Smuzhiyun */
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun #ifndef MLX4_DRIVER_H
34*4882a593Smuzhiyun #define MLX4_DRIVER_H
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #include <net/devlink.h>
37*4882a593Smuzhiyun #include <linux/mlx4/device.h>
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun struct mlx4_dev;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun #define MLX4_MAC_MASK 0xffffffffffffULL
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun enum mlx4_dev_event {
44*4882a593Smuzhiyun MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
45*4882a593Smuzhiyun MLX4_DEV_EVENT_PORT_UP,
46*4882a593Smuzhiyun MLX4_DEV_EVENT_PORT_DOWN,
47*4882a593Smuzhiyun MLX4_DEV_EVENT_PORT_REINIT,
48*4882a593Smuzhiyun MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
49*4882a593Smuzhiyun MLX4_DEV_EVENT_SLAVE_INIT,
50*4882a593Smuzhiyun MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun enum {
54*4882a593Smuzhiyun MLX4_INTFF_BONDING = 1 << 0
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun struct mlx4_interface {
58*4882a593Smuzhiyun void * (*add) (struct mlx4_dev *dev);
59*4882a593Smuzhiyun void (*remove)(struct mlx4_dev *dev, void *context);
60*4882a593Smuzhiyun void (*event) (struct mlx4_dev *dev, void *context,
61*4882a593Smuzhiyun enum mlx4_dev_event event, unsigned long param);
62*4882a593Smuzhiyun void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
63*4882a593Smuzhiyun void (*activate)(struct mlx4_dev *dev, void *context);
64*4882a593Smuzhiyun struct list_head list;
65*4882a593Smuzhiyun enum mlx4_protocol protocol;
66*4882a593Smuzhiyun int flags;
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun int mlx4_register_interface(struct mlx4_interface *intf);
70*4882a593Smuzhiyun void mlx4_unregister_interface(struct mlx4_interface *intf);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun int mlx4_bond(struct mlx4_dev *dev);
73*4882a593Smuzhiyun int mlx4_unbond(struct mlx4_dev *dev);
mlx4_is_bonded(struct mlx4_dev * dev)74*4882a593Smuzhiyun static inline int mlx4_is_bonded(struct mlx4_dev *dev)
75*4882a593Smuzhiyun {
76*4882a593Smuzhiyun return !!(dev->flags & MLX4_FLAG_BONDED);
77*4882a593Smuzhiyun }
78*4882a593Smuzhiyun
mlx4_is_mf_bonded(struct mlx4_dev * dev)79*4882a593Smuzhiyun static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev)
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev));
82*4882a593Smuzhiyun }
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun struct mlx4_port_map {
85*4882a593Smuzhiyun u8 port1;
86*4882a593Smuzhiyun u8 port2;
87*4882a593Smuzhiyun };
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
94*4882a593Smuzhiyun
mlx4_mac_to_u64(u8 * addr)95*4882a593Smuzhiyun static inline u64 mlx4_mac_to_u64(u8 *addr)
96*4882a593Smuzhiyun {
97*4882a593Smuzhiyun u64 mac = 0;
98*4882a593Smuzhiyun int i;
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun for (i = 0; i < ETH_ALEN; i++) {
101*4882a593Smuzhiyun mac <<= 8;
102*4882a593Smuzhiyun mac |= addr[i];
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun return mac;
105*4882a593Smuzhiyun }
106*4882a593Smuzhiyun
mlx4_u64_to_mac(u8 * addr,u64 mac)107*4882a593Smuzhiyun static inline void mlx4_u64_to_mac(u8 *addr, u64 mac)
108*4882a593Smuzhiyun {
109*4882a593Smuzhiyun int i;
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun for (i = ETH_ALEN; i > 0; i--) {
112*4882a593Smuzhiyun addr[i - 1] = mac & 0xFF;
113*4882a593Smuzhiyun mac >>= 8;
114*4882a593Smuzhiyun }
115*4882a593Smuzhiyun }
116*4882a593Smuzhiyun
117*4882a593Smuzhiyun #endif /* MLX4_DRIVER_H */
118