xref: /linux/drivers/net/ethernet/intel/ice/ice_virtchnl.h (revision 1a9239bb4253f9076b5b4b2a1a4e8d7defd77a95)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2022, Intel Corporation. */
3 
4 #ifndef _ICE_VIRTCHNL_H_
5 #define _ICE_VIRTCHNL_H_
6 
7 #include <linux/types.h>
8 #include <linux/bitops.h>
9 #include <linux/if_ether.h>
10 #include <linux/avf/virtchnl.h>
11 #include "ice_vf_lib.h"
12 
13 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
14 #define ICE_MAX_VLAN_PER_VF		8
15 
16 #define ICE_DFLT_QUANTA 1024
17 #define ICE_MAX_QUANTA_SIZE 4096
18 #define ICE_MIN_QUANTA_SIZE 256
19 
20 #define calc_quanta_desc(x)	\
21 	max_t(u16, 12, min_t(u16, 63, (((x) + 66) / 132) * 2 + 4))
22 
23 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
24  * broadcast, and 16 for additional unicast/multicast filters
25  */
26 #define ICE_MAX_MACADDR_PER_VF		18
27 #define ICE_FLEX_DESC_RXDID_MAX_NUM	64
28 
29 /* Priority to be compared against previous priority from the pipe */
30 #define ICE_RXDID_PRIO			0x03
31 
32 /* VFs only get a single VSI. For ice hardware, the VF does not need to know
33  * its VSI index. However, the virtchnl interface requires a VSI number,
34  * mainly due to legacy hardware.
35  *
36  * Since the VF doesn't need this information, report a static value to the VF
37  * instead of leaking any information about the PF or hardware setup.
38  */
39 #define ICE_VF_VSI_ID	1
40 
41 struct ice_virtchnl_ops {
42 	int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
43 	int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
44 	void (*reset_vf)(struct ice_vf *vf);
45 	int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
46 	int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
47 	int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
48 	int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
49 	int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
50 	int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
51 	int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
52 	int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
53 	int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
54 	int (*config_rss_hfunc)(struct ice_vf *vf, u8 *msg);
55 	int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
56 	int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
57 	int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
58 	int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
59 	int (*query_rxdid)(struct ice_vf *vf);
60 	int (*get_rss_hena)(struct ice_vf *vf);
61 	int (*set_rss_hena_msg)(struct ice_vf *vf, u8 *msg);
62 	int (*ena_vlan_stripping)(struct ice_vf *vf);
63 	int (*dis_vlan_stripping)(struct ice_vf *vf);
64 	int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
65 	int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
66 	int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
67 	int (*get_offload_vlan_v2_caps)(struct ice_vf *vf);
68 	int (*add_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
69 	int (*remove_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
70 	int (*ena_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
71 	int (*dis_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
72 	int (*ena_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
73 	int (*dis_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
74 	int (*get_qos_caps)(struct ice_vf *vf);
75 	int (*cfg_q_tc_map)(struct ice_vf *vf, u8 *msg);
76 	int (*cfg_q_bw)(struct ice_vf *vf, u8 *msg);
77 	int (*cfg_q_quanta)(struct ice_vf *vf, u8 *msg);
78 	int (*get_ptp_cap)(struct ice_vf *vf,
79 			   const struct virtchnl_ptp_caps *msg);
80 	int (*get_phc_time)(struct ice_vf *vf);
81 };
82 
83 #ifdef CONFIG_PCI_IOV
84 void ice_virtchnl_set_dflt_ops(struct ice_vf *vf);
85 void ice_virtchnl_set_repr_ops(struct ice_vf *vf);
86 void ice_vc_notify_vf_link_state(struct ice_vf *vf);
87 void ice_vc_notify_link_state(struct ice_pf *pf);
88 void ice_vc_notify_reset(struct ice_pf *pf);
89 int
90 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
91 		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
92 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
93 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
94 			   struct ice_mbx_data *mbxdata);
95 #else /* CONFIG_PCI_IOV */
ice_virtchnl_set_dflt_ops(struct ice_vf * vf)96 static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
ice_virtchnl_set_repr_ops(struct ice_vf * vf)97 static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
ice_vc_notify_vf_link_state(struct ice_vf * vf)98 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
ice_vc_notify_link_state(struct ice_pf * pf)99 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
ice_vc_notify_reset(struct ice_pf * pf)100 static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
101 
102 static inline int
ice_vc_send_msg_to_vf(struct ice_vf * vf,u32 v_opcode,enum virtchnl_status_code v_retval,u8 * msg,u16 msglen)103 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
104 		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
105 {
106 	return -EOPNOTSUPP;
107 }
108 
ice_vc_isvalid_vsi_id(struct ice_vf * vf,u16 vsi_id)109 static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
110 {
111 	return false;
112 }
113 
114 static inline void
ice_vc_process_vf_msg(struct ice_pf * pf,struct ice_rq_event_info * event,struct ice_mbx_data * mbxdata)115 ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
116 		      struct ice_mbx_data *mbxdata)
117 {
118 }
119 #endif /* !CONFIG_PCI_IOV */
120 
121 #endif /* _ICE_VIRTCHNL_H_ */
122