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 */ 101 static inline void ice_virtchnl_set_dflt_ops(struct ice_vf *vf) { } 102 static inline void ice_virtchnl_set_repr_ops(struct ice_vf *vf) { } 103 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { } 104 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { } 105 static inline void ice_vc_notify_reset(struct ice_pf *pf) { } 106 static inline void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx) { } 107 static inline void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx) { } 108 109 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 } 115 116 static inline bool ice_is_vlan_promisc_allowed(struct ice_vf *vf) 117 { 118 return false; 119 } 120 121 static inline int 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 } 127 128 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 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