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_INVALID_MSGS_ALLOWED	10
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 /* Various queue ctrls */
22 enum i40e_queue_ctrl {
23 	I40E_QUEUE_CTRL_UNKNOWN = 0,
24 	I40E_QUEUE_CTRL_ENABLE,
25 	I40E_QUEUE_CTRL_ENABLECHECK,
26 	I40E_QUEUE_CTRL_DISABLE,
27 	I40E_QUEUE_CTRL_DISABLECHECK,
28 	I40E_QUEUE_CTRL_FASTDISABLE,
29 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
30 };
31 
32 /* VF states */
33 enum i40e_vf_states {
34 	I40E_VF_STATE_INIT = 0,
35 	I40E_VF_STATE_ACTIVE,
36 	I40E_VF_STATE_IWARPENA,
37 	I40E_VF_STATE_DISABLED,
38 	I40E_VF_STATE_MC_PROMISC,
39 	I40E_VF_STATE_UC_PROMISC,
40 	I40E_VF_STATE_PRE_ENABLE,
41 };
42 
43 /* VF capabilities */
44 enum i40e_vf_capabilities {
45 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
46 	I40E_VIRTCHNL_VF_CAP_L2,
47 	I40E_VIRTCHNL_VF_CAP_IWARP,
48 };
49 
50 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
51  * These variables are used to store indices, id's and number of queues
52  * for each VSI including that of primary VF VSI. Each Traffic class is
53  * termed as channel and each channel can in-turn have 4 queues which
54  * means max 16 queues overall per VF.
55  */
56 struct i40evf_channel {
57 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
58 	u16 vsi_id; /* VSI ID used by firmware */
59 	u16 num_qps; /* number of queue pairs requested by user */
60 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
61 };
62 
63 /* VF information structure */
64 struct i40e_vf {
65 	struct i40e_pf *pf;
66 
67 	/* VF id in the PF space */
68 	s16 vf_id;
69 	/* all VF vsis connect to the same parent */
70 	enum i40e_switch_element_types parent_type;
71 	struct virtchnl_version_info vf_ver;
72 	u32 driver_caps; /* reported by VF driver */
73 
74 	/* VF Port Extender (PE) stag if used */
75 	u16 stag;
76 
77 	struct virtchnl_ether_addr default_lan_addr;
78 	u16 port_vlan_id;
79 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
80 	bool trusted;
81 
82 	/* VSI indices - actual VSI pointers are maintained in the PF structure
83 	 * When assigned, these will be non-zero, because VSI 0 is always
84 	 * the main LAN VSI for the PF.
85 	 */
86 	u16 lan_vsi_idx;	/* index into PF struct */
87 	u16 lan_vsi_id;		/* ID as used by firmware */
88 
89 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
90 	u8 num_req_queues;	/* num of requested qps */
91 	u64 num_mdd_events;	/* num of mdd events detected */
92 	/* num of continuous malformed or invalid msgs detected */
93 	u64 num_invalid_msgs;
94 	u64 num_valid_msgs;	/* num of valid msgs detected */
95 
96 	unsigned long vf_caps;	/* vf's adv. capabilities */
97 	unsigned long vf_states;	/* vf's runtime states */
98 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
99 	bool link_forced;
100 	bool link_up;		/* only valid if VF link is forced */
101 	bool queues_enabled;	/* true if the VF queues are enabled */
102 	bool spoofchk;
103 	u16 num_vlan;
104 
105 	/* ADq related variables */
106 	bool adq_enabled; /* flag to enable adq */
107 	u8 num_tc;
108 	struct i40evf_channel ch[I40E_MAX_VF_VSI];
109 	struct hlist_head cloud_filter_list;
110 	u16 num_cloud_filters;
111 
112 	/* RDMA Client */
113 	struct virtchnl_iwarp_qvlist_info *qvlist_info;
114 };
115 
116 void i40e_free_vfs(struct i40e_pf *pf);
117 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
118 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
119 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
120 			   u32 v_retval, u8 *msg, u16 msglen);
121 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
122 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
123 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
124 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
125 
126 /* VF configuration related iplink handlers */
127 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
128 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
129 			      u16 vlan_id, u8 qos, __be16 vlan_proto);
130 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
131 		       int max_tx_rate);
132 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
133 int i40e_ndo_get_vf_config(struct net_device *netdev,
134 			   int vf_id, struct ifla_vf_info *ivi);
135 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
136 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
137 
138 void i40e_vc_notify_link_state(struct i40e_pf *pf);
139 void i40e_vc_notify_reset(struct i40e_pf *pf);
140 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
141 		      struct ifla_vf_stats *vf_stats);
142 
143 #endif /* _I40E_VIRTCHNL_PF_H_ */
144