86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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/* 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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#include "ice_fdir.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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