1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright (C) 2018-2021, Intel Corporation. */
3
4#ifndef _ICE_LAG_H_
5#define _ICE_LAG_H_
6
7#include <linux/netdevice.h>
8
9/* LAG roles for netdev */
10enum ice_lag_role {
11	ICE_LAG_NONE,
12	ICE_LAG_PRIMARY,
13	ICE_LAG_BACKUP,
14	ICE_LAG_UNSET
15};
16
17#define ICE_LAG_INVALID_PORT 0xFF
18
19#define ICE_LAG_RESET_RETRIES		5
20
21struct ice_pf;
22struct ice_vf;
23
24struct ice_lag_netdev_list {
25	struct list_head node;
26	struct net_device *netdev;
27};
28
29/* LAG info struct */
30struct ice_lag {
31	struct ice_pf *pf; /* backlink to PF struct */
32	struct net_device *netdev; /* this PF's netdev */
33	struct net_device *upper_netdev; /* upper bonding netdev */
34	struct list_head *netdev_head;
35	struct notifier_block notif_block;
36	s32 bond_mode;
37	u16 bond_swid; /* swid for primary interface */
38	u8 active_port; /* lport value for the current active port */
39	u8 bonded:1; /* currently bonded */
40	u8 primary:1; /* this is primary */
41	u16 pf_recipe;
42	u16 pf_rule_id;
43	u16 cp_rule_idx;
44	u8 role;
45};
46
47/* LAG workqueue struct */
48struct ice_lag_work {
49	struct work_struct lag_task;
50	struct ice_lag_netdev_list netdev_list;
51	struct ice_lag *lag;
52	unsigned long event;
53	struct net_device *event_netdev;
54	union {
55		struct netdev_notifier_changeupper_info changeupper_info;
56		struct netdev_notifier_bonding_info bonding_info;
57		struct netdev_notifier_info notifier_info;
58	} info;
59};
60
61void ice_lag_move_new_vf_nodes(struct ice_vf *vf);
62int ice_init_lag(struct ice_pf *pf);
63void ice_deinit_lag(struct ice_pf *pf);
64void ice_lag_rebuild(struct ice_pf *pf);
65bool ice_lag_is_switchdev_running(struct ice_pf *pf);
66void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt);
67#endif /* _ICE_LAG_H_ */
68