1  /* SPDX-License-Identifier: GPL-2.0 */
2  /* Copyright (C) 2021, Intel Corporation. */
3  
4  #ifndef _ICE_VIRTCHNL_FDIR_H_
5  #define _ICE_VIRTCHNL_FDIR_H_
6  
7  struct ice_vf;
8  struct ice_pf;
9  struct ice_vsi;
10  
11  enum ice_fdir_ctx_stat {
12  	ICE_FDIR_CTX_READY,
13  	ICE_FDIR_CTX_IRQ,
14  	ICE_FDIR_CTX_TIMEOUT,
15  };
16  
17  struct ice_vf_fdir_ctx {
18  	struct timer_list rx_tmr;
19  	enum virtchnl_ops v_opcode;
20  	enum ice_fdir_ctx_stat stat;
21  	union ice_32b_rx_flex_desc rx_desc;
22  #define ICE_VF_FDIR_CTX_VALID		BIT(0)
23  	u32 flags;
24  
25  	void *conf;
26  };
27  
28  /* VF FDIR information structure */
29  struct ice_vf_fdir {
30  	u16 fdir_fltr_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX];
31  	int prof_entry_cnt[ICE_FLTR_PTYPE_MAX][ICE_FD_HW_SEG_MAX];
32  	u16 fdir_fltr_cnt_total;
33  	struct ice_fd_hw_prof **fdir_prof;
34  
35  	struct idr fdir_rule_idr;
36  	struct list_head fdir_rule_list;
37  
38  	spinlock_t ctx_lock; /* protects FDIR context info */
39  	struct ice_vf_fdir_ctx ctx_irq;
40  	struct ice_vf_fdir_ctx ctx_done;
41  };
42  
43  #ifdef CONFIG_PCI_IOV
44  int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg);
45  int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg);
46  void ice_vf_fdir_init(struct ice_vf *vf);
47  void ice_vf_fdir_exit(struct ice_vf *vf);
48  void
49  ice_vc_fdir_irq_handler(struct ice_vsi *ctrl_vsi,
50  			union ice_32b_rx_flex_desc *rx_desc);
51  void ice_flush_fdir_ctx(struct ice_pf *pf);
52  #else
53  static inline void
ice_vc_fdir_irq_handler(struct ice_vsi * ctrl_vsi,union ice_32b_rx_flex_desc * rx_desc)54  ice_vc_fdir_irq_handler(struct ice_vsi *ctrl_vsi, union ice_32b_rx_flex_desc *rx_desc) { }
ice_flush_fdir_ctx(struct ice_pf * pf)55  static inline void ice_flush_fdir_ctx(struct ice_pf *pf) { }
56  #endif /* CONFIG_PCI_IOV */
57  #endif /* _ICE_VIRTCHNL_FDIR_H_ */
58