xref: /linux/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h (revision 06d07429858317ded2db7986113a9e0129cd599b)
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 <linux/avf/virtchnl.h>
8 #include <linux/netdevice.h>
9 #include "i40e_type.h"
10 
11 #define I40E_MAX_VLANID 4095
12 
13 #define I40E_VIRTCHNL_SUPPORTED_QTYPES 2
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 #define I40E_VFR_WAIT_COUNT		100
23 
24 /* Various queue ctrls */
25 enum i40e_queue_ctrl {
26 	I40E_QUEUE_CTRL_UNKNOWN = 0,
27 	I40E_QUEUE_CTRL_ENABLE,
28 	I40E_QUEUE_CTRL_ENABLECHECK,
29 	I40E_QUEUE_CTRL_DISABLE,
30 	I40E_QUEUE_CTRL_DISABLECHECK,
31 	I40E_QUEUE_CTRL_FASTDISABLE,
32 	I40E_QUEUE_CTRL_FASTDISABLECHECK,
33 };
34 
35 /* VF states */
36 enum i40e_vf_states {
37 	I40E_VF_STATE_INIT = 0,
38 	I40E_VF_STATE_ACTIVE,
39 	I40E_VF_STATE_RDMAENA,
40 	I40E_VF_STATE_DISABLED,
41 	I40E_VF_STATE_MC_PROMISC,
42 	I40E_VF_STATE_UC_PROMISC,
43 	I40E_VF_STATE_PRE_ENABLE,
44 	I40E_VF_STATE_RESETTING
45 };
46 
47 /* VF capabilities */
48 enum i40e_vf_capabilities {
49 	I40E_VIRTCHNL_VF_CAP_PRIVILEGE = 0,
50 	I40E_VIRTCHNL_VF_CAP_L2,
51 	I40E_VIRTCHNL_VF_CAP_RDMA,
52 };
53 
54 /* In ADq, max 4 VSI's can be allocated per VF including primary VF VSI.
55  * These variables are used to store indices, id's and number of queues
56  * for each VSI including that of primary VF VSI. Each Traffic class is
57  * termed as channel and each channel can in-turn have 4 queues which
58  * means max 16 queues overall per VF.
59  */
60 struct i40evf_channel {
61 	u16 vsi_idx; /* index in PF struct for all channel VSIs */
62 	u16 vsi_id; /* VSI ID used by firmware */
63 	u16 num_qps; /* number of queue pairs requested by user */
64 	u64 max_tx_rate; /* bandwidth rate allocation for VSIs */
65 };
66 
67 /* VF information structure */
68 struct i40e_vf {
69 	struct i40e_pf *pf;
70 
71 	/* VF id in the PF space */
72 	s16 vf_id;
73 	/* all VF vsis connect to the same parent */
74 	enum i40e_switch_element_types parent_type;
75 	struct virtchnl_version_info vf_ver;
76 	u32 driver_caps; /* reported by VF driver */
77 
78 	/* VF Port Extender (PE) stag if used */
79 	u16 stag;
80 
81 	struct virtchnl_ether_addr default_lan_addr;
82 	u16 port_vlan_id;
83 	bool pf_set_mac;	/* The VMM admin set the VF MAC address */
84 	bool trusted;
85 
86 	/* VSI indices - actual VSI pointers are maintained in the PF structure
87 	 * When assigned, these will be non-zero, because VSI 0 is always
88 	 * the main LAN VSI for the PF.
89 	 */
90 	u16 lan_vsi_idx;	/* index into PF struct */
91 	u16 lan_vsi_id;		/* ID as used by firmware */
92 
93 	u8 num_queue_pairs;	/* num of qps assigned to VF vsis */
94 	u8 num_req_queues;	/* num of requested qps */
95 	u64 num_mdd_events;	/* num of mdd events 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 spoofchk;
103 	bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
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_rdma_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 #ifdef CONFIG_PCI_IOV
142 void i40e_restore_all_vfs_msi_state(struct pci_dev *pdev);
143 #endif /* CONFIG_PCI_IOV */
144 int i40e_get_vf_stats(struct net_device *netdev, int vf_id,
145 		      struct ifla_vf_stats *vf_stats);
146 
147 #endif /* _I40E_VIRTCHNL_PF_H_ */
148