xref: /linux/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h (revision 164666fa66669d437bdcc8d5f1744a2aee73be41)
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 #define I40E_VF_STATE_WAIT_COUNT	20
22 
23 /* Various queue ctrls */
24 enum i40e_queue_ctrl {
25 	I40E_QUEUE_CTRL_UNKNOWN = 0,
26 	I40E_QUEUE_CTRL_ENABLE,
27 	I40E_QUEUE_CTRL_ENABLECHECK,
28 	I40E_QUEUE_CTRL_DISABLE,
29 	I40E_QUEUE_CTRL_DISABLECHECK,
30 	I40E_QUEUE_CTRL_FASTDISABLE,
31 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
32 };
33 
34 /* VF states */
35 enum i40e_vf_states {
36 	I40E_VF_STATE_INIT = 0,
37 	I40E_VF_STATE_ACTIVE,
38 	I40E_VF_STATE_IWARPENA,
39 	I40E_VF_STATE_DISABLED,
40 	I40E_VF_STATE_MC_PROMISC,
41 	I40E_VF_STATE_UC_PROMISC,
42 	I40E_VF_STATE_PRE_ENABLE,
43 };
44 
45 /* VF capabilities */
46 enum i40e_vf_capabilities {
47 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
48 	I40E_VIRTCHNL_VF_CAP_L2,
49 	I40E_VIRTCHNL_VF_CAP_IWARP,
50 };
51 
52 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
53  * These variables are used to store indices, id's and number of queues
54  * for each VSI including that of primary VF VSI. Each Traffic class is
55  * termed as channel and each channel can in-turn have 4 queues which
56  * means max 16 queues overall per VF.
57  */
58 struct i40evf_channel {
59 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
60 	u16 vsi_id; /* VSI ID used by firmware */
61 	u16 num_qps; /* number of queue pairs requested by user */
62 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
63 };
64 
65 /* VF information structure */
66 struct i40e_vf {
67 	struct i40e_pf *pf;
68 
69 	/* VF id in the PF space */
70 	s16 vf_id;
71 	/* all VF vsis connect to the same parent */
72 	enum i40e_switch_element_types parent_type;
73 	struct virtchnl_version_info vf_ver;
74 	u32 driver_caps; /* reported by VF driver */
75 
76 	/* VF Port Extender (PE) stag if used */
77 	u16 stag;
78 
79 	struct virtchnl_ether_addr default_lan_addr;
80 	u16 port_vlan_id;
81 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
82 	bool trusted;
83 
84 	/* VSI indices - actual VSI pointers are maintained in the PF structure
85 	 * When assigned, these will be non-zero, because VSI 0 is always
86 	 * the main LAN VSI for the PF.
87 	 */
88 	u16 lan_vsi_idx;	/* index into PF struct */
89 	u16 lan_vsi_id;		/* ID as used by firmware */
90 
91 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
92 	u8 num_req_queues;	/* num of requested qps */
93 	u64 num_mdd_events;	/* num of mdd events detected */
94 	/* num of continuous malformed or invalid msgs detected */
95 	u64 num_invalid_msgs;
96 	u64 num_valid_msgs;	/* num of valid msgs detected */
97 
98 	unsigned long vf_caps;	/* vf's adv. capabilities */
99 	unsigned long vf_states;	/* vf's runtime states */
100 	unsigned int tx_rate;	/* Tx bandwidth limit in Mbps */
101 	bool link_forced;
102 	bool link_up;		/* only valid if VF link is forced */
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