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/* 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_LAGP_IDX 0
#define ICE_LAGS_IDX 1
#define ICE_LAGP_M 0x1
#define ICE_LAGS_M 0x2
#define ICE_LAG_RESET_RETRIES 5
#define ICE_SW_DEFAULT_PROFILE 0
#define ICE_FV_PROT_MDID 255
#define ICE_LP_EXT_BUF_OFFSET 32
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 */
u8 bond_aa:1; /* is this bond active-active */
u8 need_fltr_cfg:1; /* fltrs for A/A bond still need to be make */
u8 port_bitmap:2; /* bitmap of active ports */
u8 bond_lport_pri; /* lport values for primary PF */
u8 bond_lport_sec; /* lport values for secondary PF */
/* q_home keeps track of which interface the q is currently on */
u8 q_home[ICE_MAX_SRIOV_VFS][ICE_MAX_RSS_QS_PER_VF];
/* placeholder VSI for hanging VF queues from on secondary interface */
struct ice_vsi *sec_vf[ICE_MAX_SRIOV_VFS];
u16 pf_recipe;
u16 lport_recipe;
u16 act_act_recipe;
u16 pf_rx_rule_id;
u16 pf_tx_rule_id;
u16 cp_rule_idx;
u16 lport_rule_idx;
u16 act_act_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_aa_failover(struct ice_lag *lag, u8 dest, struct ice_pf *e_pf);
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);
void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt);
u8 ice_lag_prepare_vf_reset(struct ice_lag *lag);
void ice_lag_complete_vf_reset(struct ice_lag *lag, u8 act_prt);
#endif /* _ICE_LAG_H_ */
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