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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */
#ifndef _ICE_VIRTCHNL_PF_H_
#define _ICE_VIRTCHNL_PF_H_
#include "ice.h"
#include "ice_virtchnl_fdir.h"
/* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
#define ICE_MAX_VLAN_PER_VF 8
/* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
* broadcast, and 16 for additional unicast/multicast filters
*/
#define ICE_MAX_MACADDR_PER_VF 18
/* Malicious Driver Detection */
#define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED 10
#define ICE_MDD_EVENTS_THRESHOLD 30
/* Static VF transaction/status register def */
#define VF_DEVICE_STATUS 0xAA
#define VF_TRANS_PENDING_M 0x20
/* wait defines for polling PF_PCI_CIAD register status */
#define ICE_PCI_CIAD_WAIT_COUNT 100
#define ICE_PCI_CIAD_WAIT_DELAY_US 1
/* VF resource constraints */
#define ICE_MAX_VF_COUNT 256
#define ICE_MIN_QS_PER_VF 1
#define ICE_NONQ_VECS_VF 1
#define ICE_MAX_SCATTER_QS_PER_VF 16
#define ICE_MAX_RSS_QS_PER_VF 16
#define ICE_NUM_VF_MSIX_MED 17
#define ICE_NUM_VF_MSIX_SMALL 5
#define ICE_NUM_VF_MSIX_MULTIQ_MIN 3
#define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1)
#define ICE_MAX_VF_RESET_TRIES 40
#define ICE_MAX_VF_RESET_SLEEP_MS 20
#define ice_for_each_vf(pf, i) \
for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
/* Specific VF states */
enum ice_vf_states {
ICE_VF_STATE_INIT = 0, /* PF is initializing VF */
ICE_VF_STATE_ACTIVE, /* VF resources are allocated for use */
ICE_VF_STATE_QS_ENA, /* VF queue(s) enabled */
ICE_VF_STATE_DIS,
ICE_VF_STATE_MC_PROMISC,
ICE_VF_STATE_UC_PROMISC,
ICE_VF_STATES_NBITS
};
/* VF capabilities */
enum ice_virtchnl_cap {
ICE_VIRTCHNL_VF_CAP_L2 = 0,
ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
};
struct ice_time_mac {
unsigned long time_modified;
u8 addr[ETH_ALEN];
};
/* VF MDD events print structure */
struct ice_mdd_vf_events {
u16 count; /* total count of Rx|Tx events */
/* count number of the last printed event */
u16 last_printed;
};
struct ice_vf;
struct ice_vc_vf_ops {
int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
void (*reset_vf)(struct ice_vf *vf);
int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
int (*ena_vlan_stripping)(struct ice_vf *vf);
int (*dis_vlan_stripping)(struct ice_vf *vf);
int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
};
/* VF information structure */
struct ice_vf {
struct ice_pf *pf;
/* Used during virtchnl message handling and NDO ops against the VF
* that will trigger a VFR
*/
struct mutex cfg_lock;
u16 vf_id; /* VF ID in the PF space */
u16 lan_vsi_idx; /* index into PF struct */
u16 ctrl_vsi_idx;
struct ice_vf_fdir fdir;
/* first vector index of this VF in the PF space */
int first_vector_idx;
struct ice_sw *vf_sw_id; /* switch ID the VF VSIs connect to */
struct virtchnl_version_info vf_ver;
u32 driver_caps; /* reported by VF driver */
struct virtchnl_ether_addr dev_lan_addr;
struct virtchnl_ether_addr hw_lan_addr;
struct ice_time_mac legacy_last_added_umac;
DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF);
DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF);
u16 port_vlan_info; /* Port VLAN ID and QoS */
u8 pf_set_mac:1; /* VF MAC address set by VMM admin */
u8 trusted:1;
u8 spoofchk:1;
u8 link_forced:1;
u8 link_up:1; /* only valid if VF link is forced */
/* VSI indices - actual VSI pointers are maintained in the PF structure
* When assigned, these will be non-zero, because VSI 0 is always
* the main LAN VSI for the PF.
*/
u16 lan_vsi_num; /* ID as used by firmware */
unsigned int min_tx_rate; /* Minimum Tx bandwidth limit in Mbps */
unsigned int max_tx_rate; /* Maximum Tx bandwidth limit in Mbps */
DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
u64 num_inval_msgs; /* number of continuous invalid msgs */
u64 num_valid_msgs; /* number of valid msgs detected */
unsigned long vf_caps; /* VF's adv. capabilities */
u8 num_req_qs; /* num of queue pairs requested by VF */
u16 num_mac;
u16 num_vf_qs; /* num of queue configured per VF */
struct ice_mdd_vf_events mdd_rx_events;
struct ice_mdd_vf_events mdd_tx_events;
DECLARE_BITMAP(opcodes_allowlist, VIRTCHNL_OP_MAX);
struct ice_repr *repr;
struct ice_vc_vf_ops vc_ops;
/* devlink port data */
struct devlink_port devlink_port;
};
#ifdef CONFIG_PCI_IOV
struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf);
void ice_process_vflr_event(struct ice_pf *pf);
int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
int
ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
void ice_free_vfs(struct ice_pf *pf);
void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
void ice_vc_notify_link_state(struct ice_pf *pf);
void ice_vc_notify_reset(struct ice_pf *pf);
void ice_vc_notify_vf_link_state(struct ice_vf *vf);
void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops);
void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops);
bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
bool ice_reset_vf(struct ice_vf *vf, bool is_vflr);
void ice_restore_all_vfs_msi_state(struct pci_dev *pdev);
bool
ice_is_malicious_vf(struct ice_pf *pf, struct ice_rq_event_info *event,
u16 num_msg_proc, u16 num_msg_pending);
int
ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
__be16 vlan_proto);
int
ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
int max_tx_rate);
int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
int ice_check_vf_ready_for_cfg(struct ice_vf *vf);
bool ice_is_vf_disabled(struct ice_vf *vf);
int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
void ice_set_vf_state_qs_dis(struct ice_vf *vf);
int
ice_get_vf_stats(struct net_device *netdev, int vf_id,
struct ifla_vf_stats *vf_stats);
bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
void
ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
void ice_print_vfs_mdd_events(struct ice_pf *pf);
void ice_print_vf_rx_mdd_event(struct ice_vf *vf);
bool
ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto);
struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf);
int
ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
#else /* CONFIG_PCI_IOV */
static inline void ice_process_vflr_event(struct ice_pf *pf) { }
static inline void ice_free_vfs(struct ice_pf *pf) { }
static inline
void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) { }
static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
static inline void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops) { }
static inline void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops) { }
static inline void ice_set_vf_state_qs_dis(struct ice_vf *vf) { }
static inline
void ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event) { }
static inline void ice_print_vfs_mdd_events(struct ice_pf *pf) { }
static inline void ice_print_vf_rx_mdd_event(struct ice_vf *vf) { }
static inline void ice_restore_all_vfs_msi_state(struct pci_dev *pdev) { }
static inline int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
{
return -EOPNOTSUPP;
}
static inline bool ice_is_vf_disabled(struct ice_vf *vf)
{
return true;
}
static inline struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf)
{
return NULL;
}
static inline bool
ice_is_malicious_vf(struct ice_pf __always_unused *pf,
struct ice_rq_event_info __always_unused *event,
u16 __always_unused num_msg_proc,
u16 __always_unused num_msg_pending)
{
return false;
}
static inline bool
ice_reset_all_vfs(struct ice_pf __always_unused *pf,
bool __always_unused is_vflr)
{
return true;
}
static inline bool
ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr)
{
return true;
}
static inline int
ice_sriov_configure(struct pci_dev __always_unused *pdev,
int __always_unused num_vfs)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_mac(struct net_device __always_unused *netdev,
int __always_unused vf_id, u8 __always_unused *mac)
{
return -EOPNOTSUPP;
}
static inline int
ice_get_vf_cfg(struct net_device __always_unused *netdev,
int __always_unused vf_id,
struct ifla_vf_info __always_unused *ivi)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_trust(struct net_device __always_unused *netdev,
int __always_unused vf_id, bool __always_unused trusted)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
int __always_unused vf_id, u16 __always_unused vid,
u8 __always_unused qos, __be16 __always_unused v_proto)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
int __always_unused vf_id, bool __always_unused ena)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_link_state(struct net_device __always_unused *netdev,
int __always_unused vf_id, int __always_unused link_state)
{
return -EOPNOTSUPP;
}
static inline int
ice_set_vf_bw(struct net_device __always_unused *netdev,
int __always_unused vf_id, int __always_unused min_tx_rate,
int __always_unused max_tx_rate)
{
return -EOPNOTSUPP;
}
static inline int
ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
struct ice_q_vector __always_unused *q_vector)
{
return 0;
}
static inline int
ice_get_vf_stats(struct net_device __always_unused *netdev,
int __always_unused vf_id,
struct ifla_vf_stats __always_unused *vf_stats)
{
return -EOPNOTSUPP;
}
static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf)
{
return false;
}
#endif /* CONFIG_PCI_IOV */
#endif /* _ICE_VIRTCHNL_PF_H_ */
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