[thirdparty/kernel/stable.git] / drivers / net / ethernet / intel / ice / ice_lag.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2018-2021, Intel Corporation. */

#ifndef _ICE_LAG_H_
#define _ICE_LAG_H_

#include <linux/netdevice.h>

/* LAG roles for netdev */
enum ice_lag_role {
	ICE_LAG_NONE,
	ICE_LAG_PRIMARY,
	ICE_LAG_BACKUP,
	ICE_LAG_UNSET
};

#define ICE_LAG_INVALID_PORT 0xFF

#define ICE_LAG_RESET_RETRIES		5

struct ice_pf;
struct ice_vf;

struct ice_lag_netdev_list {
	struct list_head node;
	struct net_device *netdev;
};

/* LAG info struct */
struct ice_lag {
	struct ice_pf *pf; /* backlink to PF struct */
	struct net_device *netdev; /* this PF's netdev */
	struct net_device *upper_netdev; /* upper bonding netdev */
	struct list_head *netdev_head;
	struct notifier_block notif_block;
	s32 bond_mode;
	u16 bond_swid; /* swid for primary interface */
	u8 active_port; /* lport value for the current active port */
	u8 bonded:1; /* currently bonded */
	u8 primary:1; /* this is primary */
	u16 pf_recipe;
	u16 pf_rule_id;
	u16 cp_rule_idx;
	u8 role;
};

/* LAG workqueue struct */
struct ice_lag_work {
	struct work_struct lag_task;
	struct ice_lag_netdev_list netdev_list;
	struct ice_lag *lag;
	unsigned long event;
	struct net_device *event_netdev;
	union {
		struct netdev_notifier_changeupper_info changeupper_info;
		struct netdev_notifier_bonding_info bonding_info;
		struct netdev_notifier_info notifier_info;
	} info;
};

void ice_lag_move_new_vf_nodes(struct ice_vf *vf);
int ice_init_lag(struct ice_pf *pf);
void ice_deinit_lag(struct ice_pf *pf);
void ice_lag_rebuild(struct ice_pf *pf);
bool ice_lag_is_switchdev_running(struct ice_pf *pf);
#endif /* _ICE_LAG_H_ */
Commit	Line	Data
df006dd4 DE	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 */
	10	enum ice_lag_role {
	11	ICE_LAG_NONE,
	12	ICE_LAG_PRIMARY,
	13	ICE_LAG_BACKUP,
	14	ICE_LAG_UNSET
	15	};
	16
41ccedf5 DE	17	#define ICE_LAG_INVALID_PORT 0xFF
41ccedf5 DE	18
3579aa86 DE	19	#define ICE_LAG_RESET_RETRIES 5
3579aa86 DE	20
df006dd4	21	struct ice_pf;
41ccedf5 DE	22	struct ice_vf;
	23
	24	struct ice_lag_netdev_list {
	25	struct list_head node;
	26	struct net_device *netdev;
	27	};
df006dd4 DE	28
	29	/* LAG info struct */
	30	struct ice_lag {
	31	struct ice_pf pf; / backlink to PF struct */
	32	struct net_device netdev; / this PF's netdev */
df006dd4	33	struct net_device upper_netdev; / upper bonding netdev */
41ccedf5	34	struct list_head *netdev_head;
df006dd4	35	struct notifier_block notif_block;
41ccedf5 DE	36	s32 bond_mode;
	37	u16 bond_swid; /* swid for primary interface */
	38	u8 active_port; /* lport value for the current active port */
df006dd4	39	u8 bonded:1; /* currently bonded */
5c603001	40	u8 primary:1; /* this is primary */
41ccedf5 DE	41	u16 pf_recipe;
	42	u16 pf_rule_id;
	43	u16 cp_rule_idx;
df006dd4 DE	44	u8 role;
	45	};
	46
41ccedf5 DE	47	/* LAG workqueue struct */
	48	struct 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
ec5a6c5f	61	void ice_lag_move_new_vf_nodes(struct ice_vf *vf);
df006dd4 DE	62	int ice_init_lag(struct ice_pf *pf);
df006dd4 DE	63	void ice_deinit_lag(struct ice_pf *pf);
3579aa86	64	void ice_lag_rebuild(struct ice_pf *pf);
776fe199	65	bool ice_lag_is_switchdev_running(struct ice_pf *pf);
df006dd4	66	#endif /* _ICE_LAG_H_ */