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