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#define ICE_SW_DEFAULT_PROFILE		0
21#define ICE_FV_PROT_MDID		255
22#define ICE_LP_EXT_BUF_OFFSET		32
23
24struct ice_pf;
25struct ice_vf;
26
27struct ice_lag_netdev_list {
28	struct list_head node;
29	struct net_device *netdev;
30};
31
32/* LAG info struct */
33struct ice_lag {
34	struct ice_pf *pf; /* backlink to PF struct */
35	struct net_device *netdev; /* this PF's netdev */
36	struct net_device *upper_netdev; /* upper bonding netdev */
37	struct list_head *netdev_head;
38	struct notifier_block notif_block;
39	s32 bond_mode;
40	u16 bond_swid; /* swid for primary interface */
41	u8 active_port; /* lport value for the current active port */
42	u8 bonded:1; /* currently bonded */
43	u8 primary:1; /* this is primary */
44	u16 pf_recipe;
45	u16 lport_recipe;
46	u16 pf_rx_rule_id;
47	u16 pf_tx_rule_id;
48	u16 cp_rule_idx;
49	u16 lport_rule_idx;
50	u8 role;
51};
52
53/* LAG workqueue struct */
54struct ice_lag_work {
55	struct work_struct lag_task;
56	struct ice_lag_netdev_list netdev_list;
57	struct ice_lag *lag;
58	unsigned long event;
59	struct net_device *event_netdev;
60	union {
61		struct netdev_notifier_changeupper_info changeupper_info;
62		struct netdev_notifier_bonding_info bonding_info;
63		struct netdev_notifier_info notifier_info;
64	} info;
65};
66
67void ice_lag_move_new_vf_nodes(struct ice_vf *vf);
68int ice_init_lag(struct ice_pf *pf);
69void ice_deinit_lag(struct ice_pf *pf);
70void ice_lag_rebuild(struct ice_pf *pf);
71bool ice_lag_is_switchdev_running(struct ice_pf *pf);
72void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt);
73#endif /* _ICE_LAG_H_ */