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 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
  11  * broadcast, and 16 for additional unicast/multicast filters
  12  */
  13 #define ICE_MAX_MACADDR_PER_VF          18
  14
  15 /* Malicious Driver Detection */
  16 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED         10
  17 #define ICE_MDD_EVENTS_THRESHOLD                30
  18
  19 /* Static VF transaction/status register def */
  20 #define VF_DEVICE_STATUS                0xAA
  21 #define VF_TRANS_PENDING_M              0x20
  22
  23 /* wait defines for polling PF_PCI_CIAD register status */
  24 #define ICE_PCI_CIAD_WAIT_COUNT         100
  25 #define ICE_PCI_CIAD_WAIT_DELAY_US      1
  26
  27 /* VF resource constraints */
  28 #define ICE_MAX_VF_COUNT                256
  29 #define ICE_MIN_QS_PER_VF               1
  30 #define ICE_NONQ_VECS_VF                1
  31 #define ICE_MAX_SCATTER_QS_PER_VF       16
  32 #define ICE_MAX_RSS_QS_PER_VF           16
  33 #define ICE_NUM_VF_MSIX_MED             17
  34 #define ICE_NUM_VF_MSIX_SMALL           5
  35 #define ICE_NUM_VF_MSIX_MULTIQ_MIN      3
  36 #define ICE_MIN_INTR_PER_VF             (ICE_MIN_QS_PER_VF + 1)
  37 #define ICE_MAX_VF_RESET_TRIES          40
  38 #define ICE_MAX_VF_RESET_SLEEP_MS       20
  39
  40 #define ice_for_each_vf(pf, i) \
  41         for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
  42
  43 /* Specific VF states */
  44 enum ice_vf_states {
  45         ICE_VF_STATE_INIT = 0,          /* PF is initializing VF */
  46         ICE_VF_STATE_ACTIVE,            /* VF resources are allocated for use */
  47         ICE_VF_STATE_QS_ENA,            /* VF queue(s) enabled */
  48         ICE_VF_STATE_DIS,
  49         ICE_VF_STATE_MC_PROMISC,
  50         ICE_VF_STATE_UC_PROMISC,
  51         ICE_VF_STATES_NBITS
  52 };
  53
  54 /* VF capabilities */
  55 enum ice_virtchnl_cap {
  56         ICE_VIRTCHNL_VF_CAP_L2 = 0,
  57         ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
  58 };
  59
  60 /* VF MDD events print structure */
  61 struct ice_mdd_vf_events {
  62         u16 count;                      /* total count of Rx|Tx events */
  63         /* count number of the last printed event */
  64         u16 last_printed;
  65 };
  66
  67 /* VF information structure */
  68 struct ice_vf {
  69         struct ice_pf *pf;
  70
  71         u16 vf_id;                      /* VF ID in the PF space */
  72         u16 lan_vsi_idx;                /* index into PF struct */
  73         /* first vector index of this VF in the PF space */
  74         int first_vector_idx;
  75         struct ice_sw *vf_sw_id;        /* switch ID the VF VSIs connect to */
  76         struct virtchnl_version_info vf_ver;
  77         u32 driver_caps;                /* reported by VF driver */
  78         struct virtchnl_ether_addr dflt_lan_addr;
  79         DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF);
  80         DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF);
  81         u16 port_vlan_info;             /* Port VLAN ID and QoS */
  82         u8 pf_set_mac:1;                /* VF MAC address set by VMM admin */
  83         u8 trusted:1;
  84         u8 spoofchk:1;
  85         u8 link_forced:1;
  86         u8 link_up:1;                   /* only valid if VF link is forced */
  87         /* VSI indices - actual VSI pointers are maintained in the PF structure
  88          * When assigned, these will be non-zero, because VSI 0 is always
  89          * the main LAN VSI for the PF.
  90          */
  91         u16 lan_vsi_num;                /* ID as used by firmware */
  92         unsigned int tx_rate;           /* Tx bandwidth limit in Mbps */
  93         DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
  94
  95         u64 num_inval_msgs;             /* number of continuous invalid msgs */
  96         u64 num_valid_msgs;             /* number of valid msgs detected */
  97         unsigned long vf_caps;          /* VF's adv. capabilities */
  98         u8 num_req_qs;                  /* num of queue pairs requested by VF */
  99         u16 num_mac;
 100         u16 num_vf_qs;                  /* num of queue configured per VF */
 101         struct ice_mdd_vf_events mdd_rx_events;
 102         struct ice_mdd_vf_events mdd_tx_events;
 103 };
 104
 105 #ifdef CONFIG_PCI_IOV
 106 void ice_process_vflr_event(struct ice_pf *pf);
 107 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
 108 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 109 int
 110 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
 111
 112 void ice_free_vfs(struct ice_pf *pf);
 113 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
 114 void ice_vc_notify_link_state(struct ice_pf *pf);
 115 void ice_vc_notify_reset(struct ice_pf *pf);
 116 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 117 bool ice_reset_vf(struct ice_vf *vf, bool is_vflr);
 118 void ice_restore_all_vfs_msi_state(struct pci_dev *pdev);
 119
 120 int
 121 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
 122                      __be16 vlan_proto);
 123
 124 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
 125
 126 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
 127
 128 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 129
 130 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
 131
 132 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
 133 int
 134 ice_get_vf_stats(struct net_device *netdev, int vf_id,
 135                  struct ifla_vf_stats *vf_stats);
 136 bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
 137 void
 138 ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
 139 void ice_print_vfs_mdd_events(struct ice_pf *pf);
 140 void ice_print_vf_rx_mdd_event(struct ice_vf *vf);
 141 #else /* CONFIG_PCI_IOV */
 142 #define ice_process_vflr_event(pf) do {} while (0)
 143 #define ice_free_vfs(pf) do {} while (0)
 144 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
 145 #define ice_vc_notify_link_state(pf) do {} while (0)
 146 #define ice_vc_notify_reset(pf) do {} while (0)
 147 #define ice_set_vf_state_qs_dis(vf) do {} while (0)
 148 #define ice_vf_lan_overflow_event(pf, event) do {} while (0)
 149 #define ice_print_vfs_mdd_events(pf) do {} while (0)
 150 #define ice_print_vf_rx_mdd_event(vf) do {} while (0)
 151 #define ice_restore_all_vfs_msi_state(pdev) do {} while (0)
 152
 153 static inline bool
 154 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 155                   bool __always_unused is_vflr)
 156 {
 157         return true;
 158 }
 159
 160 static inline bool
 161 ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr)
 162 {
 163         return true;
 164 }
 165
 166 static inline int
 167 ice_sriov_configure(struct pci_dev __always_unused *pdev,
 168                     int __always_unused num_vfs)
 169 {
 170         return -EOPNOTSUPP;
 171 }
 172
 173 static inline int
 174 ice_set_vf_mac(struct net_device __always_unused *netdev,
 175                int __always_unused vf_id, u8 __always_unused *mac)
 176 {
 177         return -EOPNOTSUPP;
 178 }
 179
 180 static inline int
 181 ice_get_vf_cfg(struct net_device __always_unused *netdev,
 182                int __always_unused vf_id,
 183                struct ifla_vf_info __always_unused *ivi)
 184 {
 185         return -EOPNOTSUPP;
 186 }
 187
 188 static inline int
 189 ice_set_vf_trust(struct net_device __always_unused *netdev,
 190                  int __always_unused vf_id, bool __always_unused trusted)
 191 {
 192         return -EOPNOTSUPP;
 193 }
 194
 195 static inline int
 196 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
 197                      int __always_unused vf_id, u16 __always_unused vid,
 198                      u8 __always_unused qos, __be16 __always_unused v_proto)
 199 {
 200         return -EOPNOTSUPP;
 201 }
 202
 203 static inline int
 204 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
 205                     int __always_unused vf_id, bool __always_unused ena)
 206 {
 207         return -EOPNOTSUPP;
 208 }
 209
 210 static inline int
 211 ice_set_vf_link_state(struct net_device __always_unused *netdev,
 212                       int __always_unused vf_id, int __always_unused link_state)
 213 {
 214         return -EOPNOTSUPP;
 215 }
 216
 217 static inline int
 218 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
 219                     struct ice_q_vector __always_unused *q_vector)
 220 {
 221         return 0;
 222 }
 223
 224 static inline int
 225 ice_get_vf_stats(struct net_device __always_unused *netdev,
 226                  int __always_unused vf_id,
 227                  struct ifla_vf_stats __always_unused *vf_stats)
 228 {
 229         return -EOPNOTSUPP;
 230 }
 231
 232 static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf)
 233 {
 234         return false;
 235 }
 236 #endif /* CONFIG_PCI_IOV */
 237 #endif /* _ICE_VIRTCHNL_PF_H_ */