LXR linux/drivers/net/ethernet/intel/i40e/i40e_virtchnl

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright(c) 2013 - 2018 Intel Corporation. */
   3
   4#ifndef _I40E_VIRTCHNL_PF_H_
   5#define _I40E_VIRTCHNL_PF_H_
   6
   7#include "i40e.h"
   8
   9#define I40E_MAX_VLANID 4095
  10
  11#define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
  12
  13#define I40E_VLAN_PRIORITY_SHIFT        13
  14#define I40E_VLAN_MASK                  0xFFF
  15#define I40E_PRIORITY_MASK              0xE000
  16
  17#define I40E_MAX_VF_PROMISC_FLAGS       3
  18
  19#define I40E_VF_STATE_WAIT_COUNT        20
  20#define I40E_VFR_WAIT_COUNT             100
  21
  22/* Various queue ctrls */
  23enum i40e_queue_ctrl {
  24        I40E_QUEUE_CTRL_UNKNOWN = 0,
  25        I40E_QUEUE_CTRL_ENABLE,
  26        I40E_QUEUE_CTRL_ENABLECHECK,
  27        I40E_QUEUE_CTRL_DISABLE,
  28        I40E_QUEUE_CTRL_DISABLECHECK,
  29        I40E_QUEUE_CTRL_FASTDISABLE,
  30        I40E_QUEUE_CTRL_FASTDISABLECHECK,
  31};
  32
  33/* VF states */
  34enum i40e_vf_states {
  35        I40E_VF_STATE_INIT = 0,
  36        I40E_VF_STATE_ACTIVE,
  37        I40E_VF_STATE_IWARPENA,
  38        I40E_VF_STATE_DISABLED,
  39        I40E_VF_STATE_MC_PROMISC,
  40        I40E_VF_STATE_UC_PROMISC,
  41        I40E_VF_STATE_PRE_ENABLE,
  42};
  43
  44/* VF capabilities */
  45enum i40e_vf_capabilities {
  46        I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
  47        I40E_VIRTCHNL_VF_CAP_L2,
  48        I40E_VIRTCHNL_VF_CAP_IWARP,
  49};
  50
  51/* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
  52 * These variables are used to store indices, id's and number of queues
  53 * for each VSI including that of primary VF VSI. Each Traffic class is
  54 * termed as channel and each channel can in-turn have 4 queues which
  55 * means max 16 queues overall per VF.
  56 */
  57struct i40evf_channel {
  58        u16 vsi_idx; /* index in PF struct for all channel VSIs */
  59        u16 vsi_id; /* VSI ID used by firmware */
  60        u16 num_qps; /* number of queue pairs requested by user */
  61        u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
  62};
  63
  64/* VF information structure */
  65struct i40e_vf {
  66        struct i40e_pf *pf;
  67
  68        /* VF id in the PF space */
  69        s16 vf_id;
  70        /* all VF vsis connect to the same parent */
  71        enum i40e_switch_element_types parent_type;
  72        struct virtchnl_version_info vf_ver;
  73        u32 driver_caps; /* reported by VF driver */
  74
  75        /* VF Port Extender (PE) stag if used */
  76        u16 stag;
  77
  78        struct virtchnl_ether_addr default_lan_addr;
  79        u16 port_vlan_id;
  80        bool pf_set_mac;        /* The VMM admin set the VF MAC address */
  81        bool trusted;
  82
  83        /* VSI indices - actual VSI pointers are maintained in the PF structure
  84         * When assigned, these will be non-zero, because VSI 0 is always
  85         * the main LAN VSI for the PF.
  86         */
  87        u16 lan_vsi_idx;        /* index into PF struct */
  88        u16 lan_vsi_id;         /* ID as used by firmware */
  89
  90        u8 num_queue_pairs;     /* num of qps assigned to VF vsis */
  91        u8 num_req_queues;      /* num of requested qps */
  92        u64 num_mdd_events;     /* num of mdd events detected */
  93
  94        unsigned long vf_caps;  /* vf's adv. capabilities */
  95        unsigned long vf_states;        /* vf's runtime states */
  96        unsigned int tx_rate;   /* Tx bandwidth limit in Mbps */
  97        bool link_forced;
  98        bool link_up;           /* only valid if VF link is forced */
  99        bool spoofchk;
 100        u16 num_vlan;
 101
 102        /* ADq related variables */
 103        bool adq_enabled; /* flag to enable adq */
 104        u8 num_tc;
 105        struct i40evf_channel ch[I40E_MAX_VF_VSI];
 106        struct hlist_head cloud_filter_list;
 107        u16 num_cloud_filters;
 108
 109        /* RDMA Client */
 110        struct virtchnl_iwarp_qvlist_info *qvlist_info;
 111};
 112
 113void i40e_free_vfs(struct i40e_pf *pf);
 114int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
 115int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
 116int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
 117                           u32 v_retval, u8 *msg, u16 msglen);
 118int i40e_vc_process_vflr_event(struct i40e_pf *pf);
 119bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
 120bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
 121void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
 122
 123/* VF configuration related iplink handlers */
 124int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 125int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
 126                              u16 vlan_id, u8 qos, __be16 vlan_proto);
 127int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
 128                       int max_tx_rate);
 129int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
 130int i40e_ndo_get_vf_config(struct net_device *netdev,
 131                           int vf_id, struct ifla_vf_info *ivi);
 132int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
 133int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
 134
 135void i40e_vc_notify_link_state(struct i40e_pf *pf);
 136void i40e_vc_notify_reset(struct i40e_pf *pf);
 137int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
 138                      struct ifla_vf_stats *vf_stats);
 139
 140#endif /* _I40E_VIRTCHNL_PF_H_ */
 141