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 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
17 * broadcast, and 16 for additional unicast/multicast filters
18 */
19 #define ICE_MAX_MACADDR_PER_VF 18
20 #define ICE_FLEX_DESC_RXDID_MAX_NUM 64
21
22 /* VFs only get a single VSI. For ice hardware, the VF does not need to know
23 * its VSI index. However, the virtchnl interface requires a VSI number,
24 * mainly due to legacy hardware.
25 *
26 * Since the VF doesn't need this information, report a static value to the VF
27 * instead of leaking any information about the PF or hardware setup.
28 */
29 #define ICE_VF_VSI_ID 1
30
31 struct ice_virtchnl_ops {
32 int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
33 int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
34 void (*reset_vf)(struct ice_vf *vf);
35 int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
36 int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
37 int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
38 int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
39 int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
40 int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
41 int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
42 int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
43 int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
44 int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
45 int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
46 int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
47 int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
48 int (*query_rxdid)(struct ice_vf *vf);
49 int (*get_rss_hena)(struct ice_vf *vf);
50 int (*set_rss_hena_msg)(struct ice_vf *vf, u8 *msg);
51 int (*ena_vlan_stripping)(struct ice_vf *vf);
52 int (*dis_vlan_stripping)(struct ice_vf *vf);
53 int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
54 int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
55 int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
56 int (*get_offload_vlan_v2_caps)(struct ice_vf *vf);
57 int (*add_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
58 int (*remove_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
59 int (*ena_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
60 int (*dis_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
61 int (*ena_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
62 int (*dis_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
63 };
64
65 #ifdef CONFIG_PCI_IOV
66 void ice_virtchnl_set_dflt_ops(struct ice_vf *vf);
67 void ice_virtchnl_set_repr_ops(struct ice_vf *vf);
68 void ice_vc_notify_vf_link_state(struct ice_vf *vf);
69 void ice_vc_notify_link_state(struct ice_pf *pf);
70 void ice_vc_notify_reset(struct ice_pf *pf);
71 int
72 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
73 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
74 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
75 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
76 struct ice_mbx_data *mbxdata);
77 #else /* CONFIG_PCI_IOV */
ice_virtchnl_set_dflt_ops(struct ice_vf * vf)78 static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
ice_virtchnl_set_repr_ops(struct ice_vf * vf)79 static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
ice_vc_notify_vf_link_state(struct ice_vf * vf)80 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
ice_vc_notify_link_state(struct ice_pf * pf)81 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
ice_vc_notify_reset(struct ice_pf * pf)82 static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
83
84 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)85 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
86 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
87 {
88 return -EOPNOTSUPP;
89 }
90
ice_vc_isvalid_vsi_id(struct ice_vf * vf,u16 vsi_id)91 static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
92 {
93 return false;
94 }
95
96 static inline void
ice_vc_process_vf_msg(struct ice_pf * pf,struct ice_rq_event_info * event,struct ice_mbx_data * mbxdata)97 ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
98 struct ice_mbx_data *mbxdata)
99 {
100 }
101 #endif /* !CONFIG_PCI_IOV */
102
103 #endif /* _ICE_VIRTCHNL_H_ */
104