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 17 #define ICE_LAG_INVALID_PORT 0xFF 18 19 #define ICE_LAG_RESET_RETRIES 5 20 21 struct ice_pf; 22 struct ice_vf; 23 24 struct ice_lag_netdev_list { 25 struct list_head node; 26 struct net_device *netdev; 27 }; 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 */ 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 */ 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 61 void ice_lag_move_new_vf_nodes(struct ice_vf *vf); 62 int ice_init_lag(struct ice_pf *pf); 63 void ice_deinit_lag(struct ice_pf *pf); 64 void ice_lag_rebuild(struct ice_pf *pf); 65 bool ice_lag_is_switchdev_running(struct ice_pf *pf); 66 void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt); 67 #endif /* _ICE_LAG_H_ */ 68