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_DEFAULT_NUM_MDD_EVENTS_ALLOWED	3
14 #define I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED	10
15 
16 #define I40E_VLAN_PRIORITY_SHIFT	13
17 #define I40E_VLAN_MASK			0xFFF
18 #define I40E_PRIORITY_MASK		0xE000
19 
20 /* Various queue ctrls */
21 enum i40e_queue_ctrl {
22 	I40E_QUEUE_CTRL_UNKNOWN = 0,
23 	I40E_QUEUE_CTRL_ENABLE,
24 	I40E_QUEUE_CTRL_ENABLECHECK,
25 	I40E_QUEUE_CTRL_DISABLE,
26 	I40E_QUEUE_CTRL_DISABLECHECK,
27 	I40E_QUEUE_CTRL_FASTDISABLE,
28 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
29 };
30 
31 /* VF states */
32 enum i40e_vf_states {
33 	I40E_VF_STATE_INIT = 0,
34 	I40E_VF_STATE_ACTIVE,
35 	I40E_VF_STATE_IWARPENA,
36 	I40E_VF_STATE_DISABLED,
37 	I40E_VF_STATE_MC_PROMISC,
38 	I40E_VF_STATE_UC_PROMISC,
39 	I40E_VF_STATE_PRE_ENABLE,
40 };
41 
42 /* VF capabilities */
43 enum i40e_vf_capabilities {
44 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
45 	I40E_VIRTCHNL_VF_CAP_L2,
46 	I40E_VIRTCHNL_VF_CAP_IWARP,
47 };
48 
49 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
50  * These variables are used to store indices, id's and number of queues
51  * for each VSI including that of primary VF VSI. Each Traffic class is
52  * termed as channel and each channel can in-turn have 4 queues which
53  * means max 16 queues overall per VF.
54  */
55 struct i40evf_channel {
56 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
57 	u16 vsi_id; /* VSI ID used by firmware */
58 	u16 num_qps; /* number of queue pairs requested by user */
59 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
60 };
61 
62 /* VF information structure */
63 struct i40e_vf {
64 	struct i40e_pf *pf;
65 
66 	/* VF id in the PF space */
67 	s16 vf_id;
68 	/* all VF vsis connect to the same parent */
69 	enum i40e_switch_element_types parent_type;
70 	struct virtchnl_version_info vf_ver;
71 	u32 driver_caps; /* reported by VF driver */
72 
73 	/* VF Port Extender (PE) stag if used */
74 	u16 stag;
75 
76 	struct virtchnl_ether_addr default_lan_addr;
77 	u16 port_vlan_id;
78 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
79 	bool trusted;
80 
81 	/* VSI indices - actual VSI pointers are maintained in the PF structure
82 	 * When assigned, these will be non-zero, because VSI 0 is always
83 	 * the main LAN VSI for the PF.
84 	 */
85 	u16 lan_vsi_idx;	/* index into PF struct */
86 	u16 lan_vsi_id;		/* ID as used by firmware */
87 
88 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
89 	u8 num_req_queues;	/* num of requested qps */
90 	u64 num_mdd_events;	/* num of mdd events detected */
91 	/* num of continuous malformed or invalid msgs detected */
92 	u64 num_invalid_msgs;
93 	u64 num_valid_msgs;	/* num of valid msgs detected */
94 
95 	unsigned long vf_caps;	/* vf's adv. capabilities */
96 	unsigned long vf_states;	/* vf's runtime states */
97 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
98 	bool link_forced;
99 	bool link_up;		/* only valid if VF link is forced */
100 	bool spoofchk;
101 	u16 num_mac;
102 	u16 num_vlan;
103 
104 	/* ADq related variables */
105 	bool adq_enabled; /* flag to enable adq */
106 	u8 num_tc;
107 	struct i40evf_channel ch[I40E_MAX_VF_VSI];
108 	struct hlist_head cloud_filter_list;
109 	u16 num_cloud_filters;
110 
111 	/* RDMA Client */
112 	struct virtchnl_iwarp_qvlist_info *qvlist_info;
113 };
114 
115 void i40e_free_vfs(struct i40e_pf *pf);
116 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
117 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
118 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
119 			   u32 v_retval, u8 *msg, u16 msglen);
120 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
121 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
122 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
123 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
124 
125 /* VF configuration related iplink handlers */
126 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
127 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
128 			      u16 vlan_id, u8 qos, __be16 vlan_proto);
129 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
130 		       int max_tx_rate);
131 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
132 int i40e_ndo_get_vf_config(struct net_device *netdev,
133 			   int vf_id, struct ifla_vf_info *ivi);
134 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
135 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
136 
137 void i40e_vc_notify_link_state(struct i40e_pf *pf);
138 void i40e_vc_notify_reset(struct i40e_pf *pf);
139 
140 #endif /* _I40E_VIRTCHNL_PF_H_ */
141