virtchnl.h

  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
 41struct 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
 84void ice_virtchnl_set_dflt_ops(struct ice_vf *vf);
 85void ice_virtchnl_set_repr_ops(struct ice_vf *vf);
 86void ice_vc_notify_vf_link_state(struct ice_vf *vf);
 87void ice_vc_notify_link_state(struct ice_pf *pf);
 88void ice_vc_notify_reset(struct ice_pf *pf);
 89int
 90ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
 91		      enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
 92bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
 93void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
 94			   struct ice_mbx_data *mbxdata);
 95void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx);
 96void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx);
 97int ice_vf_ena_vlan_promisc(struct ice_vf *vf, struct ice_vsi *vsi,
 98			    struct ice_vlan *vlan);
 99bool ice_is_vlan_promisc_allowed(struct ice_vf *vf);
100#else /* CONFIG_PCI_IOV */
101static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { }
102static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { }
103static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
104static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
105static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
106static inline void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx) { }
107static inline void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx) { }
108
109static 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
116static inline bool ice_is_vlan_promisc_allowed(struct ice_vf *vf)
117{
118	return false;
119}
120
121static inline int
122ice_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
128static inline bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
129{
130	return false;
131}
132
133static inline void
134ice_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_ */