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 #define ICE_LAGP_IDX 0 19 #define ICE_LAGS_IDX 1 20 #define ICE_LAGP_M 0x1 21 #define ICE_LAGS_M 0x2 22 23 #define ICE_LAG_RESET_RETRIES 5 24 #define ICE_SW_DEFAULT_PROFILE 0 25 #define ICE_FV_PROT_MDID 255 26 #define ICE_LP_EXT_BUF_OFFSET 32 27 28 struct ice_pf; 29 struct ice_vf; 30 31 struct ice_lag_netdev_list { 32 struct list_head node; 33 struct net_device *netdev; 34 }; 35 36 /* LAG info struct */ 37 struct ice_lag { 38 struct ice_pf *pf; /* backlink to PF struct */ 39 struct net_device *netdev; /* this PF's netdev */ 40 struct net_device *upper_netdev; /* upper bonding netdev */ 41 struct list_head *netdev_head; 42 struct notifier_block notif_block; 43 s32 bond_mode; 44 u16 bond_swid; /* swid for primary interface */ 45 u8 active_port; /* lport value for the current active port */ 46 u8 bonded:1; /* currently bonded */ 47 u8 primary:1; /* this is primary */ 48 u8 bond_aa:1; /* is this bond active-active */ 49 u8 need_fltr_cfg:1; /* fltrs for A/A bond still need to be make */ 50 u8 port_bitmap:2; /* bitmap of active ports */ 51 u8 bond_lport_pri; /* lport values for primary PF */ 52 u8 bond_lport_sec; /* lport values for secondary PF */ 53 54 /* q_home keeps track of which interface the q is currently on */ 55 u8 q_home[ICE_MAX_SRIOV_VFS][ICE_MAX_RSS_QS_PER_VF]; 56 57 /* placeholder VSI for hanging VF queues from on secondary interface */ 58 struct ice_vsi *sec_vf[ICE_MAX_SRIOV_VFS]; 59 60 u16 pf_recipe; 61 u16 lport_recipe; 62 u16 act_act_recipe; 63 u16 pf_rx_rule_id; 64 u16 pf_tx_rule_id; 65 u16 cp_rule_idx; 66 u16 lport_rule_idx; 67 u16 act_act_rule_idx; 68 u8 role; 69 }; 70 71 /* LAG workqueue struct */ 72 struct ice_lag_work { 73 struct work_struct lag_task; 74 struct ice_lag_netdev_list netdev_list; 75 struct ice_lag *lag; 76 unsigned long event; 77 struct net_device *event_netdev; 78 union { 79 struct netdev_notifier_changeupper_info changeupper_info; 80 struct netdev_notifier_bonding_info bonding_info; 81 struct netdev_notifier_info notifier_info; 82 } info; 83 }; 84 85 void ice_lag_move_new_vf_nodes(struct ice_vf *vf); 86 void ice_lag_aa_failover(struct ice_lag *lag, u8 dest, struct ice_pf *e_pf); 87 int ice_init_lag(struct ice_pf *pf); 88 void ice_deinit_lag(struct ice_pf *pf); 89 void ice_lag_rebuild(struct ice_pf *pf); 90 bool ice_lag_is_switchdev_running(struct ice_pf *pf); 91 void ice_lag_move_vf_nodes_cfg(struct ice_lag *lag, u8 src_prt, u8 dst_prt); 92 u8 ice_lag_prepare_vf_reset(struct ice_lag *lag); 93 void ice_lag_complete_vf_reset(struct ice_lag *lag, u8 act_prt); 94 #endif /* _ICE_LAG_H_ */ 95