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 lport_recipe;
43 u16 pf_rule_id;
44 u16 cp_rule_idx;
45 u16 lport_rule_idx;
46 u8 role;
47};
48
49/* LAG workqueue struct */
50struct ice_lag_work {
51 struct work_struct lag_task;
52 struct ice_lag_netdev_list netdev_list;
53 struct ice_lag *lag;
54 unsigned long event;
55 struct net_device *event_netdev;
56 union {
57 struct netdev_notifier_changeupper_info changeupper_info;
58 struct netdev_notifier_bonding_info bonding_info;
59 struct netdev_notifier_info notifier_info;
60 } info;
61};
62
63void ice_lag_move_new_vf_nodes(struct ice_vf *vf);
64int ice_init_lag(struct ice_pf *pf);
65void ice_deinit_lag(struct ice_pf *pf);
66void ice_lag_rebuild(struct ice_pf *pf);
67bool ice_lag_is_switchdev_running(struct ice_pf *pf);
68#endif /* _ICE_LAG_H_ */
69

source code of linux/drivers/net/ethernet/intel/ice/ice_lag.h