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/* VFs only get a single VSI. For ice hardware, the VF does not need to know
 30 * its VSI index. However, the virtchnl interface requires a VSI number,
 31 * mainly due to legacy hardware.
 32 *
 33 * Since the VF doesn't need this information, report a static value to the VF
 34 * instead of leaking any information about the PF or hardware setup.
 35 */
 36#define ICE_VF_VSI_ID	1
 37
 38struct ice_virtchnl_ops {
 39	int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
 40	int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
 41	void (*reset_vf)(struct ice_vf *vf);
 42	int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
 43	int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
 44	int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
 45	int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
 46	int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
 47	int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
 48	int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
 49	int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
 50	int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
 51	int (*config_rss_hfunc)(struct ice_vf *vf, u8 *msg);
 52	int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
 53	int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
 54	int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
 55	int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
 56	int (*query_rxdid)(struct ice_vf *vf);
 57	int (*get_rss_hena)(struct ice_vf *vf);
 58	int (*set_rss_hena_msg)(struct ice_vf *vf, u8 *msg);
 59	int (*ena_vlan_stripping)(struct ice_vf *vf);
 60	int (*dis_vlan_stripping)(struct ice_vf *vf);
 61	int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
 62	int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
 63	int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
 64	int (*get_offload_vlan_v2_caps)(struct ice_vf *vf);
 65	int (*add_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
 66	int (*remove_vlan_v2_msg)(struct ice_vf *vf, u8 *msg);
 67	int (*ena_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
 68	int (*dis_vlan_stripping_v2_msg)(struct ice_vf *vf, u8 *msg);
 69	int (*ena_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
 70	int (*dis_vlan_insertion_v2_msg)(struct ice_vf *vf, u8 *msg);
 71	int (*get_qos_caps)(struct ice_vf *vf);
 72	int (*cfg_q_tc_map)(struct ice_vf *vf, u8 *msg);
 73	int (*cfg_q_bw)(struct ice_vf *vf, u8 *msg);
 74	int (*cfg_q_quanta)(struct ice_vf *vf, u8 *msg);
 75};
 76
 77#ifdef CONFIG_PCI_IOV
 78void ice_virtchnl_set_dflt_ops(struct ice_vf *vf);
 79void ice_virtchnl_set_repr_ops(struct ice_vf *vf);
 80void ice_vc_notify_vf_link_state(struct ice_vf *vf);
 81void ice_vc_notify_link_state(struct ice_pf *pf);
 82void ice_vc_notify_reset(struct ice_pf *pf);
 83int
 84ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
 85		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
 86bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
 87void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
 88			   struct ice_mbx_data *mbxdata);
 89#else /* CONFIG_PCI_IOV */
 90static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
 91static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
 92static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
 93static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
 94static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
 95
 96static inline int
 97ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
 98		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
 99{
100	return -EOPNOTSUPP;
101}
102
103static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
104{
105	return false;
106}
107
108static inline void
109ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
110		      struct ice_mbx_data *mbxdata)
111{
112}
113#endif /* !CONFIG_PCI_IOV */
114
115#endif /* _ICE_VIRTCHNL_H_ */