root/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h

INCLUDED FROM

DEFINITIONS

1. ice_reset_all_vfs
2. ice_sriov_configure
3. ice_set_vf_mac
4. ice_get_vf_cfg
5. ice_set_vf_trust
6. ice_set_vf_port_vlan
7. ice_set_vf_spoofchk
8. ice_set_vf_link_state
9. ice_calc_vf_reg_idx

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2018, Intel Corporation. */
   3 
   4 #ifndef _ICE_VIRTCHNL_PF_H_
   5 #define _ICE_VIRTCHNL_PF_H_
   6 #include "ice.h"
   7 
   8 #define ICE_MAX_VLANID                  4095
   9 #define ICE_VLAN_PRIORITY_S             12
  10 #define ICE_VLAN_M                      0xFFF
  11 #define ICE_PRIORITY_M                  0x7000
  12 
  13 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
  14 #define ICE_MAX_VLAN_PER_VF             8
  15 #define ICE_MAX_MACADDR_PER_VF          12
  16 
  17 /* Malicious Driver Detection */
  18 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED         10
  19 #define ICE_MDD_EVENTS_THRESHOLD                30
  20 
  21 /* Static VF transaction/status register def */
  22 #define VF_DEVICE_STATUS                0xAA
  23 #define VF_TRANS_PENDING_M              0x20
  24 
  25 /* wait defines for polling PF_PCI_CIAD register status */
  26 #define ICE_PCI_CIAD_WAIT_COUNT         100
  27 #define ICE_PCI_CIAD_WAIT_DELAY_US      1
  28 
  29 /* VF resources default values and limitation */
  30 #define ICE_MAX_VF_COUNT                256
  31 #define ICE_MAX_QS_PER_VF               256
  32 #define ICE_MIN_QS_PER_VF               1
  33 #define ICE_DFLT_QS_PER_VF              4
  34 #define ICE_NONQ_VECS_VF                1
  35 #define ICE_MAX_SCATTER_QS_PER_VF       16
  36 #define ICE_MAX_BASE_QS_PER_VF          16
  37 #define ICE_MAX_INTR_PER_VF             65
  38 #define ICE_MAX_POLICY_INTR_PER_VF      33
  39 #define ICE_MIN_INTR_PER_VF             (ICE_MIN_QS_PER_VF + 1)
  40 #define ICE_DFLT_INTR_PER_VF            (ICE_DFLT_QS_PER_VF + 1)
  41 
  42 /* Specific VF states */
  43 enum ice_vf_states {
  44         ICE_VF_STATE_INIT = 0,          /* PF is initializing VF */
  45         ICE_VF_STATE_ACTIVE,            /* VF resources are allocated for use */
  46         ICE_VF_STATE_QS_ENA,            /* VF queue(s) enabled */
  47         ICE_VF_STATE_DIS,
  48         ICE_VF_STATE_MC_PROMISC,
  49         ICE_VF_STATE_UC_PROMISC,
  50         ICE_VF_STATES_NBITS
  51 };
  52 
  53 /* VF capabilities */
  54 enum ice_virtchnl_cap {
  55         ICE_VIRTCHNL_VF_CAP_L2 = 0,
  56         ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
  57 };
  58 
  59 /* VF information structure */
  60 struct ice_vf {
  61         struct ice_pf *pf;
  62 
  63         s16 vf_id;                      /* VF ID in the PF space */
  64         u16 lan_vsi_idx;                /* index into PF struct */
  65         /* first vector index of this VF in the PF space */
  66         int first_vector_idx;
  67         struct ice_sw *vf_sw_id;        /* switch ID the VF VSIs connect to */
  68         struct virtchnl_version_info vf_ver;
  69         u32 driver_caps;                /* reported by VF driver */
  70         struct virtchnl_ether_addr dflt_lan_addr;
  71         DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
  72         DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
  73         u16 port_vlan_id;
  74         u8 pf_set_mac:1;                /* VF MAC address set by VMM admin */
  75         u8 trusted:1;
  76         u8 spoofchk:1;
  77         u8 link_forced:1;
  78         u8 link_up:1;                   /* only valid if VF link is forced */
  79         /* VSI indices - actual VSI pointers are maintained in the PF structure
  80          * When assigned, these will be non-zero, because VSI 0 is always
  81          * the main LAN VSI for the PF.
  82          */
  83         u16 lan_vsi_num;                /* ID as used by firmware */
  84         unsigned int tx_rate;           /* Tx bandwidth limit in Mbps */
  85         DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
  86 
  87         u64 num_mdd_events;             /* number of MDD events detected */
  88         u64 num_inval_msgs;             /* number of continuous invalid msgs */
  89         u64 num_valid_msgs;             /* number of valid msgs detected */
  90         unsigned long vf_caps;          /* VF's adv. capabilities */
  91         u8 num_req_qs;                  /* num of queue pairs requested by VF */
  92         u16 num_mac;
  93         u16 num_vlan;
  94         u16 num_vf_qs;                  /* num of queue configured per VF */
  95         u16 num_qs_ena;                 /* total num of Tx/Rx queue enabled */
  96 };
  97 
  98 #ifdef CONFIG_PCI_IOV
  99 void ice_process_vflr_event(struct ice_pf *pf);
 100 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
 101 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 102 int
 103 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
 104 
 105 void ice_free_vfs(struct ice_pf *pf);
 106 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
 107 void ice_vc_notify_link_state(struct ice_pf *pf);
 108 void ice_vc_notify_reset(struct ice_pf *pf);
 109 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 110 
 111 int
 112 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
 113                      __be16 vlan_proto);
 114 
 115 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
 116 
 117 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
 118 
 119 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 120 
 121 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
 122 
 123 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
 124 #else /* CONFIG_PCI_IOV */
 125 #define ice_process_vflr_event(pf) do {} while (0)
 126 #define ice_free_vfs(pf) do {} while (0)
 127 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
 128 #define ice_vc_notify_link_state(pf) do {} while (0)
 129 #define ice_vc_notify_reset(pf) do {} while (0)
 130 #define ice_set_vf_state_qs_dis(vf) do {} while (0)
 131 
 132 static inline bool
 133 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 134                   bool __always_unused is_vflr)
 135 {
 136         return true;
 137 }
 138 
 139 static inline int
 140 ice_sriov_configure(struct pci_dev __always_unused *pdev,
 141                     int __always_unused num_vfs)
 142 {
 143         return -EOPNOTSUPP;
 144 }
 145 
 146 static inline int
 147 ice_set_vf_mac(struct net_device __always_unused *netdev,
 148                int __always_unused vf_id, u8 __always_unused *mac)
 149 {
 150         return -EOPNOTSUPP;
 151 }
 152 
 153 static inline int
 154 ice_get_vf_cfg(struct net_device __always_unused *netdev,
 155                int __always_unused vf_id,
 156                struct ifla_vf_info __always_unused *ivi)
 157 {
 158         return -EOPNOTSUPP;
 159 }
 160 
 161 static inline int
 162 ice_set_vf_trust(struct net_device __always_unused *netdev,
 163                  int __always_unused vf_id, bool __always_unused trusted)
 164 {
 165         return -EOPNOTSUPP;
 166 }
 167 
 168 static inline int
 169 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
 170                      int __always_unused vf_id, u16 __always_unused vid,
 171                      u8 __always_unused qos, __be16 __always_unused v_proto)
 172 {
 173         return -EOPNOTSUPP;
 174 }
 175 
 176 static inline int
 177 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
 178                     int __always_unused vf_id, bool __always_unused ena)
 179 {
 180         return -EOPNOTSUPP;
 181 }
 182 
 183 static inline int
 184 ice_set_vf_link_state(struct net_device __always_unused *netdev,
 185                       int __always_unused vf_id, int __always_unused link_state)
 186 {
 187         return -EOPNOTSUPP;
 188 }
 189 
 190 static inline int
 191 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
 192                     struct ice_q_vector __always_unused *q_vector)
 193 {
 194         return 0;
 195 }
 196 #endif /* CONFIG_PCI_IOV */
 197 #endif /* _ICE_VIRTCHNL_PF_H_ */