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 #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 #define ICE_MAX_VF_RESET_TRIES          40
  42 #define ICE_MAX_VF_RESET_SLEEP_MS       20
  43
  44 #define ice_for_each_vf(pf, i) \
  45         for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
  46
  47 /* Specific VF states */
  48 enum ice_vf_states {
  49         ICE_VF_STATE_INIT = 0,          /* PF is initializing VF */
  50         ICE_VF_STATE_ACTIVE,            /* VF resources are allocated for use */
  51         ICE_VF_STATE_QS_ENA,            /* VF queue(s) enabled */
  52         ICE_VF_STATE_DIS,
  53         ICE_VF_STATE_MC_PROMISC,
  54         ICE_VF_STATE_UC_PROMISC,
  55         ICE_VF_STATES_NBITS
  56 };
  57
  58 /* VF capabilities */
  59 enum ice_virtchnl_cap {
  60         ICE_VIRTCHNL_VF_CAP_L2 = 0,
  61         ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
  62 };
  63
  64 /* VF information structure */
  65 struct ice_vf {
  66         struct ice_pf *pf;
  67
  68         s16 vf_id;                      /* VF ID in the PF space */
  69         u16 lan_vsi_idx;                /* index into PF struct */
  70         /* first vector index of this VF in the PF space */
  71         int first_vector_idx;
  72         struct ice_sw *vf_sw_id;        /* switch ID the VF VSIs connect to */
  73         struct virtchnl_version_info vf_ver;
  74         u32 driver_caps;                /* reported by VF driver */
  75         struct virtchnl_ether_addr dflt_lan_addr;
  76         DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
  77         DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
  78         u16 port_vlan_id;
  79         u8 pf_set_mac:1;                /* VF MAC address set by VMM admin */
  80         u8 trusted:1;
  81         u8 spoofchk:1;
  82         u8 link_forced:1;
  83         u8 link_up:1;                   /* only valid if VF link is forced */
  84         /* VSI indices - actual VSI pointers are maintained in the PF structure
  85          * When assigned, these will be non-zero, because VSI 0 is always
  86          * the main LAN VSI for the PF.
  87          */
  88         u16 lan_vsi_num;                /* ID as used by firmware */
  89         unsigned int tx_rate;           /* Tx bandwidth limit in Mbps */
  90         DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
  91
  92         u64 num_mdd_events;             /* number of MDD events detected */
  93         u64 num_inval_msgs;             /* number of continuous invalid msgs */
  94         u64 num_valid_msgs;             /* number of valid msgs detected */
  95         unsigned long vf_caps;          /* VF's adv. capabilities */
  96         u8 num_req_qs;                  /* num of queue pairs requested by VF */
  97         u16 num_mac;
  98         u16 num_vf_qs;                  /* num of queue configured per VF */
  99         u16 num_qs_ena;                 /* total num of Tx/Rx queue enabled */
 100 };
 101
 102 #ifdef CONFIG_PCI_IOV
 103 void ice_process_vflr_event(struct ice_pf *pf);
 104 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
 105 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 106 int
 107 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
 108
 109 void ice_free_vfs(struct ice_pf *pf);
 110 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
 111 void ice_vc_notify_link_state(struct ice_pf *pf);
 112 void ice_vc_notify_reset(struct ice_pf *pf);
 113 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 114
 115 int
 116 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
 117                      __be16 vlan_proto);
 118
 119 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
 120
 121 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
 122
 123 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 124
 125 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
 126
 127 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
 128 int
 129 ice_get_vf_stats(struct net_device *netdev, int vf_id,
 130                  struct ifla_vf_stats *vf_stats);
 131 #else /* CONFIG_PCI_IOV */
 132 #define ice_process_vflr_event(pf) do {} while (0)
 133 #define ice_free_vfs(pf) do {} while (0)
 134 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
 135 #define ice_vc_notify_link_state(pf) do {} while (0)
 136 #define ice_vc_notify_reset(pf) do {} while (0)
 137 #define ice_set_vf_state_qs_dis(vf) do {} while (0)
 138
 139 static inline bool
 140 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 141                   bool __always_unused is_vflr)
 142 {
 143         return true;
 144 }
 145
 146 static inline int
 147 ice_sriov_configure(struct pci_dev __always_unused *pdev,
 148                     int __always_unused num_vfs)
 149 {
 150         return -EOPNOTSUPP;
 151 }
 152
 153 static inline int
 154 ice_set_vf_mac(struct net_device __always_unused *netdev,
 155                int __always_unused vf_id, u8 __always_unused *mac)
 156 {
 157         return -EOPNOTSUPP;
 158 }
 159
 160 static inline int
 161 ice_get_vf_cfg(struct net_device __always_unused *netdev,
 162                int __always_unused vf_id,
 163                struct ifla_vf_info __always_unused *ivi)
 164 {
 165         return -EOPNOTSUPP;
 166 }
 167
 168 static inline int
 169 ice_set_vf_trust(struct net_device __always_unused *netdev,
 170                  int __always_unused vf_id, bool __always_unused trusted)
 171 {
 172         return -EOPNOTSUPP;
 173 }
 174
 175 static inline int
 176 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
 177                      int __always_unused vf_id, u16 __always_unused vid,
 178                      u8 __always_unused qos, __be16 __always_unused v_proto)
 179 {
 180         return -EOPNOTSUPP;
 181 }
 182
 183 static inline int
 184 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
 185                     int __always_unused vf_id, bool __always_unused ena)
 186 {
 187         return -EOPNOTSUPP;
 188 }
 189
 190 static inline int
 191 ice_set_vf_link_state(struct net_device __always_unused *netdev,
 192                       int __always_unused vf_id, int __always_unused link_state)
 193 {
 194         return -EOPNOTSUPP;
 195 }
 196
 197 static inline int
 198 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
 199                     struct ice_q_vector __always_unused *q_vector)
 200 {
 201         return 0;
 202 }
 203
 204 static inline int
 205 ice_get_vf_stats(struct net_device __always_unused *netdev,
 206                  int __always_unused vf_id,
 207                  struct ifla_vf_stats __always_unused *vf_stats)
 208 {
 209         return -EOPNOTSUPP;
 210 }
 211 #endif /* CONFIG_PCI_IOV */
 212 #endif /* _ICE_VIRTCHNL_PF_H_ */