linux/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
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   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 */
  44enum 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 */
  55enum ice_virtchnl_cap {
  56        ICE_VIRTCHNL_VF_CAP_L2 = 0,
  57        ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
  58};
  59
  60/* VF MDD events print structure */
  61struct 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 */
  68struct 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
 106void ice_process_vflr_event(struct ice_pf *pf);
 107int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
 108int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 109int
 110ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
 111
 112void ice_free_vfs(struct ice_pf *pf);
 113void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
 114void ice_vc_notify_link_state(struct ice_pf *pf);
 115void ice_vc_notify_reset(struct ice_pf *pf);
 116bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
 117bool ice_reset_vf(struct ice_vf *vf, bool is_vflr);
 118void ice_restore_all_vfs_msi_state(struct pci_dev *pdev);
 119
 120int
 121ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
 122                     __be16 vlan_proto);
 123
 124int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
 125
 126int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
 127
 128int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
 129
 130int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
 131
 132void ice_set_vf_state_qs_dis(struct ice_vf *vf);
 133int
 134ice_get_vf_stats(struct net_device *netdev, int vf_id,
 135                 struct ifla_vf_stats *vf_stats);
 136bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
 137void
 138ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
 139void ice_print_vfs_mdd_events(struct ice_pf *pf);
 140void 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
 153static inline bool
 154ice_reset_all_vfs(struct ice_pf __always_unused *pf,
 155                  bool __always_unused is_vflr)
 156{
 157        return true;
 158}
 159
 160static inline bool
 161ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr)
 162{
 163        return true;
 164}
 165
 166static inline int
 167ice_sriov_configure(struct pci_dev __always_unused *pdev,
 168                    int __always_unused num_vfs)
 169{
 170        return -EOPNOTSUPP;
 171}
 172
 173static inline int
 174ice_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
 180static inline int
 181ice_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
 188static inline int
 189ice_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
 195static inline int
 196ice_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
 203static inline int
 204ice_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
 210static inline int
 211ice_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
 217static inline int
 218ice_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
 224static inline int
 225ice_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
 232static 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_ */
 238
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