drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h

   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 <linux/avf/virtchnl.h>
   8 #include <linux/netdevice.h>
   9 #include "i40e_type.h"
  10
  11 #define I40E_MAX_VLANID 4095
  12
  13 #define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
  14
  15 #define I40E_VLAN_PRIORITY_SHIFT        13
  16 #define I40E_VLAN_MASK                  0xFFF
  17 #define I40E_PRIORITY_MASK              0xE000
  18
  19 #define I40E_MAX_VF_PROMISC_FLAGS       3
  20
  21 #define I40E_VF_STATE_WAIT_COUNT        20
  22 #define I40E_VFR_WAIT_COUNT             100
  23
  24 /* Various queue ctrls */
  25 enum i40e_queue_ctrl {
  26         I40E_QUEUE_CTRL_UNKNOWN = 0,
  27         I40E_QUEUE_CTRL_ENABLE,
  28         I40E_QUEUE_CTRL_ENABLECHECK,
  29         I40E_QUEUE_CTRL_DISABLE,
  30         I40E_QUEUE_CTRL_DISABLECHECK,
  31         I40E_QUEUE_CTRL_FASTDISABLE,
  32         I40E_QUEUE_CTRL_FASTDISABLECHECK,
  33 };
  34
  35 /* VF states */
  36 enum i40e_vf_states {
  37         I40E_VF_STATE_INIT = 0,
  38         I40E_VF_STATE_ACTIVE,
  39         I40E_VF_STATE_RDMAENA,
  40         I40E_VF_STATE_DISABLED,
  41         I40E_VF_STATE_MC_PROMISC,
  42         I40E_VF_STATE_UC_PROMISC,
  43         I40E_VF_STATE_PRE_ENABLE,
  44         I40E_VF_STATE_RESETTING
  45 };
  46
  47 /* VF capabilities */
  48 enum i40e_vf_capabilities {
  49         I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
  50         I40E_VIRTCHNL_VF_CAP_L2,
  51         I40E_VIRTCHNL_VF_CAP_RDMA,
  52 };
  53
  54 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
  55  * These variables are used to store indices, id's and number of queues
  56  * for each VSI including that of primary VF VSI. Each Traffic class is
  57  * termed as channel and each channel can in-turn have 4 queues which
  58  * means max 16 queues overall per VF.
  59  */
  60 struct i40evf_channel {
  61         u16 vsi_idx; /* index in PF struct for all channel VSIs */
  62         u16 vsi_id; /* VSI ID used by firmware */
  63         u16 num_qps; /* number of queue pairs requested by user */
  64         u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
  65 };
  66
  67 /* VF information structure */
  68 struct i40e_vf {
  69         struct i40e_pf *pf;
  70
  71         /* VF id in the PF space */
  72         s16 vf_id;
  73         /* all VF vsis connect to the same parent */
  74         enum i40e_switch_element_types parent_type;
  75         struct virtchnl_version_info vf_ver;
  76         u32 driver_caps; /* reported by VF driver */
  77
  78         /* VF Port Extender (PE) stag if used */
  79         u16 stag;
  80
  81         struct virtchnl_ether_addr default_lan_addr;
  82         u16 port_vlan_id;
  83         bool pf_set_mac;        /* The VMM admin set the VF MAC address */
  84         bool trusted;
  85
  86         /* VSI indices - actual VSI pointers are maintained in the PF structure
  87          * When assigned, these will be non-zero, because VSI 0 is always
  88          * the main LAN VSI for the PF.
  89          */
  90         u16 lan_vsi_idx;        /* index into PF struct */
  91         u16 lan_vsi_id;         /* ID as used by firmware */
  92
  93         u8 num_queue_pairs;     /* num of qps assigned to VF vsis */
  94         u8 num_req_queues;      /* num of requested qps */
  95         u64 num_mdd_events;     /* num of mdd events detected */
  96
  97         unsigned long vf_caps;  /* vf's adv. capabilities */
  98         unsigned long vf_states;        /* vf's runtime states */
  99         unsigned int tx_rate;   /* Tx bandwidth limit in Mbps */
 100         bool link_forced;
 101         bool link_up;           /* only valid if VF link is forced */
 102         bool spoofchk;
 103         bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
 104         u16 num_vlan;
 105
 106         /* ADq related variables */
 107         bool adq_enabled; /* flag to enable adq */
 108         u8 num_tc;
 109         struct i40evf_channel ch[I40E_MAX_VF_VSI];
 110         struct hlist_head cloud_filter_list;
 111         u16 num_cloud_filters;
 112
 113         /* RDMA Client */
 114         struct virtchnl_rdma_qvlist_info *qvlist_info;
 115 };
 116
 117 void i40e_free_vfs(struct i40e_pf *pf);
 118 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
 119 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
 120 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
 121                            u32 v_retval, u8 *msg, u16 msglen);
 122 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
 123 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
 124 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
 125 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
 126
 127 /* VF configuration related iplink handlers */
 128 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
 129 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
 130                               u16 vlan_id, u8 qos, __be16 vlan_proto);
 131 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
 132                        int max_tx_rate);
 133 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
 134 int i40e_ndo_get_vf_config(struct net_device *netdev,
 135                            int vf_id, struct ifla_vf_info *ivi);
 136 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
 137 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
 138
 139 void i40e_vc_notify_link_state(struct i40e_pf *pf);
 140 void i40e_vc_notify_reset(struct i40e_pf *pf);
 141 #ifdef CONFIG_PCI_IOV
 142 void i40e_restore_all_vfs_msi_state(struct pci_dev *pdev);
 143 #endif /* CONFIG_PCI_IOV */
 144 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
 145                       struct ifla_vf_stats *vf_stats);
 146
 147 #endif /* _I40E_VIRTCHNL_PF_H_ */