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 #define ICE_SW_DEFAULT_PROFILE 0 21 #define ICE_FV_PROT_MDID 255 22 #define ICE_LP_EXT_BUF_OFFSET 32 23 24 struct ice_pf; 25 struct ice_vf; 26 27 struct ice_lag_netdev_list { 28 struct list_head node; 29 struct net_device *netdev; 30 }; 31 32 /* LAG info struct */ 33 struct 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_rule_id; 47 u16 cp_rule_idx; 48 u16 lport_rule_idx; 49 u8 role; 50 }; 51 52 /* LAG workqueue struct */ 53 struct ice_lag_work { 54 struct work_struct lag_task; 55 struct ice_lag_netdev_list netdev_list; 56 struct ice_lag *lag; 57 unsigned long event; 58 struct net_device *event_netdev; 59 union { 60 struct netdev_notifier_changeupper_info changeupper_info; 61 struct netdev_notifier_bonding_info bonding_info; 62 struct netdev_notifier_info notifier_info; 63 } info; 64 }; 65 66 void ice_lag_move_new_vf_nodes(struct ice_vf *vf); 67 int ice_init_lag(struct ice_pf *pf); 68 void ice_deinit_lag(struct ice_pf *pf); 69 void ice_lag_rebuild(struct ice_pf *pf); 70 bool ice_lag_is_switchdev_running(struct ice_pf *pf); 71 void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt); 72 #endif /* _ICE_LAG_H_ */ 73