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 #define I40E_MAX_VF_PROMISC_FLAGS	3
21 
22 /* Various queue ctrls */
23 enum 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 */
34 enum 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 */
45 enum 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  */
57 struct 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 */
65 struct 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 	/* num of continuous malformed or invalid msgs detected */
94 	u64 num_invalid_msgs;
95 	u64 num_valid_msgs;	/* num of valid msgs 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 queues_enabled;	/* true if the VF queues are enabled */
103 	bool spoofchk;
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_iwarp_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 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
142 		      struct ifla_vf_stats *vf_stats);
143 
144 #endif /* _I40E_VIRTCHNL_PF_H_ */
145