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_VLAN_PRIORITY_SHIFT	13
14 #define I40E_VLAN_MASK			0xFFF
15 #define I40E_PRIORITY_MASK		0xE000
16 
17 #define I40E_MAX_VF_PROMISC_FLAGS	3
18 
19 #define I40E_VF_STATE_WAIT_COUNT	20
20 #define I40E_VFR_WAIT_COUNT		100
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 
94 	unsigned long vf_caps;	/* vf's adv. capabilities */
95 	unsigned long vf_states;	/* vf's runtime states */
96 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
97 	bool link_forced;
98 	bool link_up;		/* only valid if VF link is forced */
99 	bool spoofchk;
100 	u16 num_vlan;
101 
102 	/* ADq related variables */
103 	bool adq_enabled; /* flag to enable adq */
104 	u8 num_tc;
105 	struct i40evf_channel ch[I40E_MAX_VF_VSI];
106 	struct hlist_head cloud_filter_list;
107 	u16 num_cloud_filters;
108 
109 	/* RDMA Client */
110 	struct virtchnl_iwarp_qvlist_info *qvlist_info;
111 };
112 
113 void i40e_free_vfs(struct i40e_pf *pf);
114 int i40e_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
115 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs);
116 int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode,
117 			   u32 v_retval, u8 *msg, u16 msglen);
118 int i40e_vc_process_vflr_event(struct i40e_pf *pf);
119 bool i40e_reset_vf(struct i40e_vf *vf, bool flr);
120 bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr);
121 void i40e_vc_notify_vf_reset(struct i40e_vf *vf);
122 
123 /* VF configuration related iplink handlers */
124 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
125 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id,
126 			      u16 vlan_id, u8 qos, __be16 vlan_proto);
127 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
128 		       int max_tx_rate);
129 int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting);
130 int i40e_ndo_get_vf_config(struct net_device *netdev,
131 			   int vf_id, struct ifla_vf_info *ivi);
132 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
133 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable);
134 
135 void i40e_vc_notify_link_state(struct i40e_pf *pf);
136 void i40e_vc_notify_reset(struct i40e_pf *pf);
137 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
138 		      struct ifla_vf_stats *vf_stats);
139 
140 #endif /* _I40E_VIRTCHNL_PF_H_ */
141