aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
blob: 88aa65d5cb317b10245dfb4757d3104e0eeedb94 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */

#ifndef _ICE_VIRTCHNL_PF_H_
#define _ICE_VIRTCHNL_PF_H_
#include "ice.h"

#define ICE_MAX_VLANID			4095
#define ICE_VLAN_PRIORITY_S		12
#define ICE_VLAN_M			0xFFF
#define ICE_PRIORITY_M			0x7000

/* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
#define ICE_MAX_VLAN_PER_VF		8
#define ICE_MAX_MACADDR_PER_VF		12

/* Malicious Driver Detection */
#define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED		10
#define ICE_MDD_EVENTS_THRESHOLD		30

/* Static VF transaction/status register def */
#define VF_DEVICE_STATUS		0xAA
#define VF_TRANS_PENDING_M		0x20

/* wait defines for polling PF_PCI_CIAD register status */
#define ICE_PCI_CIAD_WAIT_COUNT		100
#define ICE_PCI_CIAD_WAIT_DELAY_US	1

/* VF resources default values and limitation */
#define ICE_MAX_VF_COUNT		256
#define ICE_MAX_QS_PER_VF		256
#define ICE_MIN_QS_PER_VF		1
#define ICE_DFLT_QS_PER_VF		4
#define ICE_NONQ_VECS_VF		1
#define ICE_MAX_SCATTER_QS_PER_VF	16
#define ICE_MAX_BASE_QS_PER_VF		16
#define ICE_MAX_INTR_PER_VF		65
#define ICE_MAX_POLICY_INTR_PER_VF	33
#define ICE_MIN_INTR_PER_VF		(ICE_MIN_QS_PER_VF + 1)
#define ICE_DFLT_INTR_PER_VF		(ICE_DFLT_QS_PER_VF + 1)
#define ICE_MAX_VF_RESET_WAIT		15

/* Specific VF states */
enum ice_vf_states {
	ICE_VF_STATE_INIT = 0,		/* PF is initializing VF */
	ICE_VF_STATE_ACTIVE,		/* VF resources are allocated for use */
	ICE_VF_STATE_QS_ENA,		/* VF queue(s) enabled */
	ICE_VF_STATE_DIS,
	ICE_VF_STATE_MC_PROMISC,
	ICE_VF_STATE_UC_PROMISC,
	ICE_VF_STATES_NBITS
};

/* VF capabilities */
enum ice_virtchnl_cap {
	ICE_VIRTCHNL_VF_CAP_L2 = 0,
	ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
};

/* VF information structure */
struct ice_vf {
	struct ice_pf *pf;

	s16 vf_id;			/* VF ID in the PF space */
	u16 lan_vsi_idx;		/* index into PF struct */
	/* first vector index of this VF in the PF space */
	int first_vector_idx;
	struct ice_sw *vf_sw_id;	/* switch ID the VF VSIs connect to */
	struct virtchnl_version_info vf_ver;
	u32 driver_caps;		/* reported by VF driver */
	struct virtchnl_ether_addr dflt_lan_addr;
	DECLARE_BITMAP(txq_ena, ICE_MAX_BASE_QS_PER_VF);
	DECLARE_BITMAP(rxq_ena, ICE_MAX_BASE_QS_PER_VF);
	u16 port_vlan_id;
	u8 pf_set_mac:1;		/* VF MAC address set by VMM admin */
	u8 trusted:1;
	u8 spoofchk:1;
	u8 link_forced:1;
	u8 link_up:1;			/* only valid if VF link is forced */
	/* VSI indices - actual VSI pointers are maintained in the PF structure
	 * When assigned, these will be non-zero, because VSI 0 is always
	 * the main LAN VSI for the PF.
	 */
	u16 lan_vsi_num;		/* ID as used by firmware */
	unsigned int tx_rate;		/* Tx bandwidth limit in Mbps */
	DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS);	/* VF runtime states */

	u64 num_mdd_events;		/* number of MDD events detected */
	u64 num_inval_msgs;		/* number of continuous invalid msgs */
	u64 num_valid_msgs;		/* number of valid msgs detected */
	unsigned long vf_caps;		/* VF's adv. capabilities */
	u8 num_req_qs;			/* num of queue pairs requested by VF */
	u16 num_mac;
	u16 num_vlan;
	u16 num_vf_qs;			/* num of queue configured per VF */
	u16 num_qs_ena;			/* total num of Tx/Rx queue enabled */
};

#ifdef CONFIG_PCI_IOV
void ice_process_vflr_event(struct ice_pf *pf);
int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
int
ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);

void ice_free_vfs(struct ice_pf *pf);
void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
void ice_vc_notify_link_state(struct ice_pf *pf);
void ice_vc_notify_reset(struct ice_pf *pf);
bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);

int
ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
		     __be16 vlan_proto);

int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);

int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);

int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);

int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);

void ice_set_vf_state_qs_dis(struct ice_vf *vf);
int
ice_get_vf_stats(struct net_device *netdev, int vf_id,
		 struct ifla_vf_stats *vf_stats);
#else /* CONFIG_PCI_IOV */
#define ice_process_vflr_event(pf) do {} while (0)
#define ice_free_vfs(pf) do {} while (0)
#define ice_vc_process_vf_msg(pf, event) do {} while (0)
#define ice_vc_notify_link_state(pf) do {} while (0)
#define ice_vc_notify_reset(pf) do {} while (0)
#define ice_set_vf_state_qs_dis(vf) do {} while (0)

static inline bool
ice_reset_all_vfs(struct ice_pf __always_unused *pf,
		  bool __always_unused is_vflr)
{
	return true;
}

static inline int
ice_sriov_configure(struct pci_dev __always_unused *pdev,
		    int __always_unused num_vfs)
{
	return -EOPNOTSUPP;
}

static inline int
ice_set_vf_mac(struct net_device __always_unused *netdev,
	       int __always_unused vf_id, u8 __always_unused *mac)
{
	return -EOPNOTSUPP;
}

static inline int
ice_get_vf_cfg(struct net_device __always_unused *netdev,
	       int __always_unused vf_id,
	       struct ifla_vf_info __always_unused *ivi)
{
	return -EOPNOTSUPP;
}

static inline int
ice_set_vf_trust(struct net_device __always_unused *netdev,
		 int __always_unused vf_id, bool __always_unused trusted)
{
	return -EOPNOTSUPP;
}

static inline int
ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
		     int __always_unused vf_id, u16 __always_unused vid,
		     u8 __always_unused qos, __be16 __always_unused v_proto)
{
	return -EOPNOTSUPP;
}

static inline int
ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
		    int __always_unused vf_id, bool __always_unused ena)
{
	return -EOPNOTSUPP;
}

static inline int
ice_set_vf_link_state(struct net_device __always_unused *netdev,
		      int __always_unused vf_id, int __always_unused link_state)
{
	return -EOPNOTSUPP;
}

static inline int
ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
		    struct ice_q_vector __always_unused *q_vector)
{
	return 0;
}

static inline int
ice_get_vf_stats(struct net_device __always_unused *netdev,
		 int __always_unused vf_id,
		 struct ifla_vf_stats __always_unused *vf_stats)
{
	return -EOPNOTSUPP;
}
#endif /* CONFIG_PCI_IOV */
#endif /* _ICE_VIRTCHNL_PF_H_ */