1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
3
4 #ifndef _ICE_VIRTCHNL_PF_H_
5 #define _ICE_VIRTCHNL_PF_H_
6 #include "ice.h"
7
8 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
9 #define ICE_MAX_VLAN_PER_VF 8
10 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
11 * broadcast, and 16 for additional unicast/multicast filters
12 */
13 #define ICE_MAX_MACADDR_PER_VF 18
14
15 /* Malicious Driver Detection */
16 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED 10
17 #define ICE_MDD_EVENTS_THRESHOLD 30
18
19 /* Static VF transaction/status register def */
20 #define VF_DEVICE_STATUS 0xAA
21 #define VF_TRANS_PENDING_M 0x20
22
23 /* wait defines for polling PF_PCI_CIAD register status */
24 #define ICE_PCI_CIAD_WAIT_COUNT 100
25 #define ICE_PCI_CIAD_WAIT_DELAY_US 1
26
27 /* VF resource constraints */
28 #define ICE_MAX_VF_COUNT 256
29 #define ICE_MIN_QS_PER_VF 1
30 #define ICE_NONQ_VECS_VF 1
31 #define ICE_MAX_SCATTER_QS_PER_VF 16
32 #define ICE_MAX_RSS_QS_PER_VF 16
33 #define ICE_NUM_VF_MSIX_MED 17
34 #define ICE_NUM_VF_MSIX_SMALL 5
35 #define ICE_NUM_VF_MSIX_MULTIQ_MIN 3
36 #define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1)
37 #define ICE_MAX_VF_RESET_TRIES 40
38 #define ICE_MAX_VF_RESET_SLEEP_MS 20
39
40 #define ice_for_each_vf(pf, i) \
41 for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
42
43 /* Specific VF states */
44 enum ice_vf_states {
45 ICE_VF_STATE_INIT = 0, /* PF is initializing VF */
46 ICE_VF_STATE_ACTIVE, /* VF resources are allocated for use */
47 ICE_VF_STATE_QS_ENA, /* VF queue(s) enabled */
48 ICE_VF_STATE_DIS,
49 ICE_VF_STATE_MC_PROMISC,
50 ICE_VF_STATE_UC_PROMISC,
51 ICE_VF_STATES_NBITS
52 };
53
54 /* VF capabilities */
55 enum ice_virtchnl_cap {
56 ICE_VIRTCHNL_VF_CAP_L2 = 0,
57 ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
58 };
59
60 /* VF MDD events print structure */
61 struct ice_mdd_vf_events {
62 u16 count; /* total count of Rx|Tx events */
63 /* count number of the last printed event */
64 u16 last_printed;
65 };
66
67 /* VF information structure */
68 struct ice_vf {
69 struct ice_pf *pf;
70
71 u16 vf_id; /* VF ID in the PF space */
72 u16 lan_vsi_idx; /* index into PF struct */
73 /* first vector index of this VF in the PF space */
74 int first_vector_idx;
75 struct ice_sw *vf_sw_id; /* switch ID the VF VSIs connect to */
76 struct virtchnl_version_info vf_ver;
77 u32 driver_caps; /* reported by VF driver */
78 struct virtchnl_ether_addr dflt_lan_addr;
79 DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF);
80 DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF);
81 u16 port_vlan_info; /* Port VLAN ID and QoS */
82 u8 pf_set_mac:1; /* VF MAC address set by VMM admin */
83 u8 trusted:1;
84 u8 spoofchk:1;
85 u8 link_forced:1;
86 u8 link_up:1; /* only valid if VF link is forced */
87 /* VSI indices - actual VSI pointers are maintained in the PF structure
88 * When assigned, these will be non-zero, because VSI 0 is always
89 * the main LAN VSI for the PF.
90 */
91 u16 lan_vsi_num; /* ID as used by firmware */
92 unsigned int tx_rate; /* Tx bandwidth limit in Mbps */
93 DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
94
95 u64 num_inval_msgs; /* number of continuous invalid msgs */
96 u64 num_valid_msgs; /* number of valid msgs detected */
97 unsigned long vf_caps; /* VF's adv. capabilities */
98 u8 num_req_qs; /* num of queue pairs requested by VF */
99 u16 num_mac;
100 u16 num_vf_qs; /* num of queue configured per VF */
101 struct ice_mdd_vf_events mdd_rx_events;
102 struct ice_mdd_vf_events mdd_tx_events;
103 };
104
105 #ifdef CONFIG_PCI_IOV
106 void ice_process_vflr_event(struct ice_pf *pf);
107 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
108 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
109 int
110 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
111
112 void ice_free_vfs(struct ice_pf *pf);
113 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
114 void ice_vc_notify_link_state(struct ice_pf *pf);
115 void ice_vc_notify_reset(struct ice_pf *pf);
116 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
117 bool ice_reset_vf(struct ice_vf *vf, bool is_vflr);
118 void ice_restore_all_vfs_msi_state(struct pci_dev *pdev);
119
120 int
121 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
122 __be16 vlan_proto);
123
124 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
125
126 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
127
128 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
129
130 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
131
132 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
133 int
134 ice_get_vf_stats(struct net_device *netdev, int vf_id,
135 struct ifla_vf_stats *vf_stats);
136 bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
137 void
138 ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
139 void ice_print_vfs_mdd_events(struct ice_pf *pf);
140 void ice_print_vf_rx_mdd_event(struct ice_vf *vf);
141 #else /* CONFIG_PCI_IOV */
142 #define ice_process_vflr_event(pf) do {} while (0)
143 #define ice_free_vfs(pf) do {} while (0)
144 #define ice_vc_process_vf_msg(pf, event) do {} while (0)
145 #define ice_vc_notify_link_state(pf) do {} while (0)
146 #define ice_vc_notify_reset(pf) do {} while (0)
147 #define ice_set_vf_state_qs_dis(vf) do {} while (0)
148 #define ice_vf_lan_overflow_event(pf, event) do {} while (0)
149 #define ice_print_vfs_mdd_events(pf) do {} while (0)
150 #define ice_print_vf_rx_mdd_event(vf) do {} while (0)
151 #define ice_restore_all_vfs_msi_state(pdev) do {} while (0)
152
153 static inline bool
ice_reset_all_vfs(struct ice_pf __always_unused * pf,bool __always_unused is_vflr)154 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
155 bool __always_unused is_vflr)
156 {
157 return true;
158 }
159
160 static inline bool
ice_reset_vf(struct ice_vf __always_unused * vf,bool __always_unused is_vflr)161 ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr)
162 {
163 return true;
164 }
165
166 static inline int
ice_sriov_configure(struct pci_dev __always_unused * pdev,int __always_unused num_vfs)167 ice_sriov_configure(struct pci_dev __always_unused *pdev,
168 int __always_unused num_vfs)
169 {
170 return -EOPNOTSUPP;
171 }
172
173 static inline int
ice_set_vf_mac(struct net_device __always_unused * netdev,int __always_unused vf_id,u8 __always_unused * mac)174 ice_set_vf_mac(struct net_device __always_unused *netdev,
175 int __always_unused vf_id, u8 __always_unused *mac)
176 {
177 return -EOPNOTSUPP;
178 }
179
180 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)181 ice_get_vf_cfg(struct net_device __always_unused *netdev,
182 int __always_unused vf_id,
183 struct ifla_vf_info __always_unused *ivi)
184 {
185 return -EOPNOTSUPP;
186 }
187
188 static inline int
ice_set_vf_trust(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused trusted)189 ice_set_vf_trust(struct net_device __always_unused *netdev,
190 int __always_unused vf_id, bool __always_unused trusted)
191 {
192 return -EOPNOTSUPP;
193 }
194
195 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)196 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
197 int __always_unused vf_id, u16 __always_unused vid,
198 u8 __always_unused qos, __be16 __always_unused v_proto)
199 {
200 return -EOPNOTSUPP;
201 }
202
203 static inline int
ice_set_vf_spoofchk(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused ena)204 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
205 int __always_unused vf_id, bool __always_unused ena)
206 {
207 return -EOPNOTSUPP;
208 }
209
210 static inline int
ice_set_vf_link_state(struct net_device __always_unused * netdev,int __always_unused vf_id,int __always_unused link_state)211 ice_set_vf_link_state(struct net_device __always_unused *netdev,
212 int __always_unused vf_id, int __always_unused link_state)
213 {
214 return -EOPNOTSUPP;
215 }
216
217 static inline int
ice_calc_vf_reg_idx(struct ice_vf __always_unused * vf,struct ice_q_vector __always_unused * q_vector)218 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
219 struct ice_q_vector __always_unused *q_vector)
220 {
221 return 0;
222 }
223
224 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)225 ice_get_vf_stats(struct net_device __always_unused *netdev,
226 int __always_unused vf_id,
227 struct ifla_vf_stats __always_unused *vf_stats)
228 {
229 return -EOPNOTSUPP;
230 }
231
ice_is_any_vf_in_promisc(struct ice_pf __always_unused * pf)232 static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf)
233 {
234 return false;
235 }
236 #endif /* CONFIG_PCI_IOV */
237 #endif /* _ICE_VIRTCHNL_PF_H_ */
238
