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

   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 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
   9 #define ICE_MAX_VLAN_PER_VF             8
  10 #define ICE_MAX_MACADDR_PER_VF          12
  11
  12 /* Malicious Driver Detection */
  13 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED         10
  14 #define ICE_MDD_EVENTS_THRESHOLD                30
  15
  16 /* Static VF transaction/status register def */
  17 #define VF_DEVICE_STATUS                0xAA
  18 #define VF_TRANS_PENDING_M              0x20
  19
  20 /* wait defines for polling PF_PCI_CIAD register status */
  21 #define ICE_PCI_CIAD_WAIT_COUNT         100
  22 #define ICE_PCI_CIAD_WAIT_DELAY_US      1
  23
  24 /* VF resources default values and limitation */
  25 #define ICE_MAX_VF_COUNT                256
  26 #define ICE_MAX_QS_PER_VF               256
  27 #define ICE_MIN_QS_PER_VF               1
  28 #define ICE_DFLT_QS_PER_VF              4
  29 #define ICE_NONQ_VECS_VF                1
  30 #define ICE_MAX_SCATTER_QS_PER_VF       16
  31 #define ICE_MAX_BASE_QS_PER_VF          16
  32 #define ICE_MAX_INTR_PER_VF             65
  33 #define ICE_MAX_POLICY_INTR_PER_VF      33
  34 #define ICE_MIN_INTR_PER_VF             (ICE_MIN_QS_PER_VF + 1)
  35 #define ICE_DFLT_INTR_PER_VF            (ICE_DFLT_QS_PER_VF + 1)
  36 #define ICE_MAX_VF_RESET_WAIT           15
  37
  38 #define ice_for_each_vf(pf, i) \
  39         for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
  40
  41 /* Specific VF states */
  42 enum ice_vf_states {
  43         ICE_VF_STATE_INIT = 0,          /* PF is initializing VF */
  44         ICE_VF_STATE_ACTIVE,            /* VF resources are allocated for use */
  45         ICE_VF_STATE_QS_ENA,            /* VF queue(s) enabled */
  46         ICE_VF_STATE_DIS,
  47         ICE_VF_STATE_MC_PROMISC,
  48         ICE_VF_STATE_UC_PROMISC,
  49         ICE_VF_STATES_NBITS
  50 };
  51
  52 /* VF capabilities */
  53 enum ice_virtchnl_cap {
  54         ICE_VIRTCHNL_VF_CAP_L2 = 0,
  55         ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
  56 };
  57
  58 /* VF information structure */
  59 struct ice_vf {
  60         struct ice_pf *pf;
  61
  62         s16 vf_id;                      /* VF ID in the PF space */
  63         u16 lan_vsi_idx;                /* index into PF struct */
  64         /* first vector index of this VF in the PF space */
  65         int first_vector_idx;
  66         struct ice_sw *vf_sw_id;        /* switch ID the VF VSIs connect to */
  67         struct virtchnl_version_info vf_ver;
  68         u32 driver_caps;                /* reported by VF driver */
  69         struct virtchnl_ether_addr dflt_lan_addr;
  70         DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
  71         DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
  72         u16 port_vlan_info;             /* Port VLAN ID and QoS */
  73         u8 pf_set_mac:1;                /* VF MAC address set by VMM admin */
  74         u8 trusted:1;
  75         u8 spoofchk:1;
  76         u8 link_forced:1;
  77         u8 link_up:1;                   /* only valid if VF link is forced */
  78         /* VSI indices - actual VSI pointers are maintained in the PF structure
  79          * When assigned, these will be non-zero, because VSI 0 is always
  80          * the main LAN VSI for the PF.
  81          */
  82         u16 lan_vsi_num;                /* ID as used by firmware */
  83         unsigned int tx_rate;           /* Tx bandwidth limit in Mbps */
  84         DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
  85
  86         u64 num_mdd_events;             /* number of MDD events detected */
  87         u64 num_inval_msgs;             /* number of continuous invalid msgs */
  88         u64 num_valid_msgs;             /* number of valid msgs detected */
  89         unsigned long vf_caps;          /* VF's adv. capabilities */
  90         u8 num_req_qs;                  /* num of queue pairs requested by VF */
  91         u16 num_mac;
  92         u16 num_vf_qs;                  /* num of queue configured per VF */
  93         u16 num_qs_ena;                 /* total num of Tx/Rx queue enabled */
  94 };
  95
  96 #ifdef CONFIG_PCI_IOV
  97 void ice_process_vflr_event(struct ice_pf *pf);
  98 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
  99 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 100 int
 101 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
 102
 103 void ice_free_vfs(struct ice_pf *pf);
 104 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
 105 void ice_vc_notify_link_state(struct ice_pf *pf);
 106 void ice_vc_notify_reset(struct ice_pf *pf);
 107 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 108
 109 int
 110 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
 111                      __be16 vlan_proto);
 112
 113 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
 114
 115 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
 116
 117 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 118
 119 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
 120
 121 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
 122 int
 123 ice_get_vf_stats(struct net_device *netdev, int vf_id,
 124                  struct ifla_vf_stats *vf_stats);
 125 #else /* CONFIG_PCI_IOV */
 126 #define ice_process_vflr_event(pf) do {} while (0)
 127 #define ice_free_vfs(pf) do {} while (0)
 128 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
 129 #define ice_vc_notify_link_state(pf) do {} while (0)
 130 #define ice_vc_notify_reset(pf) do {} while (0)
 131 #define ice_set_vf_state_qs_dis(vf) do {} while (0)
 132
 133 static inline bool
 134 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 135                   bool __always_unused is_vflr)
 136 {
 137         return true;
 138 }
 139
 140 static inline int
 141 ice_sriov_configure(struct pci_dev __always_unused *pdev,
 142                     int __always_unused num_vfs)
 143 {
 144         return -EOPNOTSUPP;
 145 }
 146
 147 static inline int
 148 ice_set_vf_mac(struct net_device __always_unused *netdev,
 149                int __always_unused vf_id, u8 __always_unused *mac)
 150 {
 151         return -EOPNOTSUPP;
 152 }
 153
 154 static inline int
 155 ice_get_vf_cfg(struct net_device __always_unused *netdev,
 156                int __always_unused vf_id,
 157                struct ifla_vf_info __always_unused *ivi)
 158 {
 159         return -EOPNOTSUPP;
 160 }
 161
 162 static inline int
 163 ice_set_vf_trust(struct net_device __always_unused *netdev,
 164                  int __always_unused vf_id, bool __always_unused trusted)
 165 {
 166         return -EOPNOTSUPP;
 167 }
 168
 169 static inline int
 170 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
 171                      int __always_unused vf_id, u16 __always_unused vid,
 172                      u8 __always_unused qos, __be16 __always_unused v_proto)
 173 {
 174         return -EOPNOTSUPP;
 175 }
 176
 177 static inline int
 178 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
 179                     int __always_unused vf_id, bool __always_unused ena)
 180 {
 181         return -EOPNOTSUPP;
 182 }
 183
 184 static inline int
 185 ice_set_vf_link_state(struct net_device __always_unused *netdev,
 186                       int __always_unused vf_id, int __always_unused link_state)
 187 {
 188         return -EOPNOTSUPP;
 189 }
 190
 191 static inline int
 192 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
 193                     struct ice_q_vector __always_unused *q_vector)
 194 {
 195         return 0;
 196 }
 197
 198 static inline int
 199 ice_get_vf_stats(struct net_device __always_unused *netdev,
 200                  int __always_unused vf_id,
 201                  struct ifla_vf_stats __always_unused *vf_stats)
 202 {
 203         return -EOPNOTSUPP;
 204 }
 205 #endif /* CONFIG_PCI_IOV */
 206 #endif /* _ICE_VIRTCHNL_PF_H_ */