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_hashcfg)(struct ice_vf *vf);
61 int (*set_rss_hashcfg)(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 void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx);
96 void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx);
97 int ice_vf_ena_vlan_promisc(struct ice_vf *vf, struct ice_vsi *vsi,
98 struct ice_vlan *vlan);
99 bool ice_is_vlan_promisc_allowed(struct ice_vf *vf);
100 #else /* CONFIG_PCI_IOV */
ice_virtchnl_set_dflt_ops(struct ice_vf * vf)101 static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
ice_virtchnl_set_repr_ops(struct ice_vf * vf)102 static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
ice_vc_notify_vf_link_state(struct ice_vf * vf)103 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
ice_vc_notify_link_state(struct ice_pf * pf)104 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
ice_vc_notify_reset(struct ice_pf * pf)105 static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
ice_vf_ena_rxq_interrupt(struct ice_vsi * vsi,u32 q_idx)106 static inline void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx) { }
ice_vf_ena_txq_interrupt(struct ice_vsi * vsi,u32 q_idx)107 static inline void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx) { }
108
ice_vf_ena_vlan_promisc(struct ice_vf * vf,struct ice_vsi * vsi,struct ice_vlan * vlan)109 static inline int ice_vf_ena_vlan_promisc(struct ice_vf *vf,
110 struct ice_vsi *vsi,
111 struct ice_vlan *vlan)
112 {
113 return -EOPNOTSUPP;
114 }
115
ice_is_vlan_promisc_allowed(struct ice_vf * vf)116 static inline bool ice_is_vlan_promisc_allowed(struct ice_vf *vf)
117 {
118 return false;
119 }
120
121 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)122 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
123 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
124 {
125 return -EOPNOTSUPP;
126 }
127
ice_vc_isvalid_vsi_id(struct ice_vf * vf,u16 vsi_id)128 static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
129 {
130 return false;
131 }
132
133 static inline void
ice_vc_process_vf_msg(struct ice_pf * pf,struct ice_rq_event_info * event,struct ice_mbx_data * mbxdata)134 ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
135 struct ice_mbx_data *mbxdata)
136 {
137 }
138 #endif /* !CONFIG_PCI_IOV */
139
140 #endif /* _ICE_VIRTCHNL_H_ */
141