diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lag.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lag.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lag.h b/drivers/net/ethernet/intel/ice/ice_lag.h new file mode 100644 index 000000000000..f77ebcd61042 --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_lag.h @@ -0,0 +1,93 @@ +/* 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_ */ |