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82 lines
2.3 KiB
82 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) 2018-2020, Intel Corporation. */ |
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#ifndef _ICE_ARFS_H_ |
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#define _ICE_ARFS_H_ |
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enum ice_arfs_fltr_state { |
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ICE_ARFS_INACTIVE, |
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ICE_ARFS_ACTIVE, |
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ICE_ARFS_TODEL, |
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}; |
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struct ice_arfs_entry { |
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struct ice_fdir_fltr fltr_info; |
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struct hlist_node list_entry; |
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u64 time_activated; /* only valid for UDP flows */ |
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u32 flow_id; |
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/* fltr_state = 0 - ICE_ARFS_INACTIVE: |
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* filter needs to be updated or programmed in HW. |
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* fltr_state = 1 - ICE_ARFS_ACTIVE: |
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* filter is active and programmed in HW. |
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* fltr_state = 2 - ICE_ARFS_TODEL: |
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* filter has been deleted from HW and needs to be removed from |
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* the aRFS hash table. |
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*/ |
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u8 fltr_state; |
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}; |
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struct ice_arfs_entry_ptr { |
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struct ice_arfs_entry *arfs_entry; |
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struct hlist_node list_entry; |
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}; |
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struct ice_arfs_active_fltr_cntrs { |
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atomic_t active_tcpv4_cnt; |
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atomic_t active_tcpv6_cnt; |
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atomic_t active_udpv4_cnt; |
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atomic_t active_udpv6_cnt; |
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}; |
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#ifdef CONFIG_RFS_ACCEL |
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int |
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ice_rx_flow_steer(struct net_device *netdev, const struct sk_buff *skb, |
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u16 rxq_idx, u32 flow_id); |
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void ice_clear_arfs(struct ice_vsi *vsi); |
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void ice_free_cpu_rx_rmap(struct ice_vsi *vsi); |
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void ice_init_arfs(struct ice_vsi *vsi); |
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void ice_sync_arfs_fltrs(struct ice_pf *pf); |
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int ice_set_cpu_rx_rmap(struct ice_vsi *vsi); |
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void ice_remove_arfs(struct ice_pf *pf); |
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void ice_rebuild_arfs(struct ice_pf *pf); |
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bool |
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ice_is_arfs_using_perfect_flow(struct ice_hw *hw, |
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enum ice_fltr_ptype flow_type); |
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#else |
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static inline void ice_clear_arfs(struct ice_vsi *vsi) { } |
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static inline void ice_free_cpu_rx_rmap(struct ice_vsi *vsi) { } |
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static inline void ice_init_arfs(struct ice_vsi *vsi) { } |
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static inline void ice_sync_arfs_fltrs(struct ice_pf *pf) { } |
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static inline void ice_remove_arfs(struct ice_pf *pf) { } |
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static inline void ice_rebuild_arfs(struct ice_pf *pf) { } |
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static inline int ice_set_cpu_rx_rmap(struct ice_vsi __always_unused *vsi) |
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{ |
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return 0; |
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} |
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static inline int |
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ice_rx_flow_steer(struct net_device __always_unused *netdev, |
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const struct sk_buff __always_unused *skb, |
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u16 __always_unused rxq_idx, u32 __always_unused flow_id) |
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{ |
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return -EOPNOTSUPP; |
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} |
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static inline bool |
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ice_is_arfs_using_perfect_flow(struct ice_hw __always_unused *hw, |
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enum ice_fltr_ptype __always_unused flow_type) |
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{ |
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return false; |
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} |
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#endif /* CONFIG_RFS_ACCEL */ |
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#endif /* _ICE_ARFS_H_ */
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