2 * Copyright (c) 2015, Mellanox Technologies, Ltd. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
33 #ifndef __MLX5_ESWITCH_H__
34 #define __MLX5_ESWITCH_H__
36 #include <linux/if_ether.h>
37 #include <linux/if_link.h>
38 #include <linux/mlx5/device.h>
40 #define MLX5_MAX_UC_PER_VPORT(dev) \
41 (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
43 #define MLX5_MAX_MC_PER_VPORT(dev) \
44 (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
46 #define MLX5_L2_ADDR_HASH_SIZE (BIT(BITS_PER_BYTE))
47 #define MLX5_L2_ADDR_HASH(addr) (addr[5])
49 /* L2 -mac address based- hash helpers */
51 struct hlist_node hlist
;
55 #define for_each_l2hash_node(hn, tmp, hash, i) \
56 for (i = 0; i < MLX5_L2_ADDR_HASH_SIZE; i++) \
57 hlist_for_each_entry_safe(hn, tmp, &hash[i], hlist)
59 #define l2addr_hash_find(hash, mac, type) ({ \
60 int ix = MLX5_L2_ADDR_HASH(mac); \
64 hlist_for_each_entry(ptr, &hash[ix], node.hlist) \
65 if (ether_addr_equal(ptr->node.addr, mac)) {\
74 #define l2addr_hash_add(hash, mac, type, gfp) ({ \
75 int ix = MLX5_L2_ADDR_HASH(mac); \
78 ptr = kzalloc(sizeof(type), gfp); \
80 ether_addr_copy(ptr->node.addr, mac); \
81 hlist_add_head(&ptr->node.hlist, &hash[ix]);\
86 #define l2addr_hash_del(ptr) ({ \
87 hlist_del(&ptr->node.hlist); \
92 struct mlx5_core_dev
*dev
;
94 struct hlist_head uc_list
[MLX5_L2_ADDR_HASH_SIZE
];
95 struct hlist_head mc_list
[MLX5_L2_ADDR_HASH_SIZE
];
96 struct work_struct vport_change_handler
;
98 /* This spinlock protects access to vport data, between
99 * "esw_vport_disable" and ongoing interrupt "mlx5_eswitch_vport_event"
100 * once vport marked as disabled new interrupts are discarded.
102 spinlock_t lock
; /* vport events sync */
107 struct mlx5_l2_table
{
108 struct hlist_head l2_hash
[MLX5_L2_ADDR_HASH_SIZE
];
110 unsigned long *bitmap
;
113 struct mlx5_eswitch_fdb
{
115 struct mlx5_flow_group
*addr_grp
;
118 struct mlx5_eswitch
{
119 struct mlx5_core_dev
*dev
;
120 struct mlx5_l2_table l2_table
;
121 struct mlx5_eswitch_fdb fdb_table
;
122 struct hlist_head mc_table
[MLX5_L2_ADDR_HASH_SIZE
];
123 struct workqueue_struct
*work_queue
;
124 struct mlx5_vport
*vports
;
130 int mlx5_eswitch_init(struct mlx5_core_dev
*dev
);
131 void mlx5_eswitch_cleanup(struct mlx5_eswitch
*esw
);
132 void mlx5_eswitch_vport_event(struct mlx5_eswitch
*esw
, struct mlx5_eqe
*eqe
);
133 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch
*esw
, int nvfs
);
134 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch
*esw
);
135 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch
*esw
,
136 int vport
, u8 mac
[ETH_ALEN
]);
137 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch
*esw
,
138 int vport
, int link_state
);
139 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch
*esw
,
140 int vport
, u16 vlan
, u8 qos
);
141 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch
*esw
,
142 int vport
, struct ifla_vf_info
*ivi
);
143 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch
*esw
,
145 struct ifla_vf_stats
*vf_stats
);
147 #endif /* __MLX5_ESWITCH_H__ */