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 #include "ice_virtchnl_fdir.h"
8
9 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
10 #define ICE_MAX_VLAN_PER_VF 8
11 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
12 * broadcast, and 16 for additional unicast/multicast filters
13 */
14 #define ICE_MAX_MACADDR_PER_VF 18
15
16 /* Malicious Driver Detection */
17 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED 10
18 #define ICE_MDD_EVENTS_THRESHOLD 30
19
20 /* Static VF transaction/status register def */
21 #define VF_DEVICE_STATUS 0xAA
22 #define VF_TRANS_PENDING_M 0x20
23
24 /* wait defines for polling PF_PCI_CIAD register status */
25 #define ICE_PCI_CIAD_WAIT_COUNT 100
26 #define ICE_PCI_CIAD_WAIT_DELAY_US 1
27
28 /* VF resource constraints */
29 #define ICE_MAX_VF_COUNT 256
30 #define ICE_MIN_QS_PER_VF 1
31 #define ICE_NONQ_VECS_VF 1
32 #define ICE_MAX_SCATTER_QS_PER_VF 16
33 #define ICE_MAX_RSS_QS_PER_VF 16
34 #define ICE_NUM_VF_MSIX_MED 17
35 #define ICE_NUM_VF_MSIX_SMALL 5
36 #define ICE_NUM_VF_MSIX_MULTIQ_MIN 3
37 #define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1)
38 #define ICE_MAX_VF_RESET_TRIES 40
39 #define ICE_MAX_VF_RESET_SLEEP_MS 20
40
41 #define ice_for_each_vf(pf, i) \
42 for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++)
43
44 /* Specific VF states */
45 enum ice_vf_states {
46 ICE_VF_STATE_INIT = 0, /* PF is initializing VF */
47 ICE_VF_STATE_ACTIVE, /* VF resources are allocated for use */
48 ICE_VF_STATE_QS_ENA, /* VF queue(s) enabled */
49 ICE_VF_STATE_DIS,
50 ICE_VF_STATE_MC_PROMISC,
51 ICE_VF_STATE_UC_PROMISC,
52 ICE_VF_STATES_NBITS
53 };
54
55 /* VF capabilities */
56 enum ice_virtchnl_cap {
57 ICE_VIRTCHNL_VF_CAP_L2 = 0,
58 ICE_VIRTCHNL_VF_CAP_PRIVILEGE,
59 };
60
61 struct ice_time_mac {
62 unsigned long time_modified;
63 u8 addr[ETH_ALEN];
64 };
65
66 /* VF MDD events print structure */
67 struct ice_mdd_vf_events {
68 u16 count; /* total count of Rx|Tx events */
69 /* count number of the last printed event */
70 u16 last_printed;
71 };
72
73 struct ice_vf;
74
75 struct ice_vc_vf_ops {
76 int (*get_ver_msg)(struct ice_vf *vf, u8 *msg);
77 int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg);
78 void (*reset_vf)(struct ice_vf *vf);
79 int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
80 int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg);
81 int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg);
82 int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg);
83 int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg);
84 int (*request_qs_msg)(struct ice_vf *vf, u8 *msg);
85 int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg);
86 int (*config_rss_key)(struct ice_vf *vf, u8 *msg);
87 int (*config_rss_lut)(struct ice_vf *vf, u8 *msg);
88 int (*get_stats_msg)(struct ice_vf *vf, u8 *msg);
89 int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg);
90 int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg);
91 int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg);
92 int (*ena_vlan_stripping)(struct ice_vf *vf);
93 int (*dis_vlan_stripping)(struct ice_vf *vf);
94 int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add);
95 int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
96 int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg);
97 };
98
99 /* VF information structure */
100 struct ice_vf {
101 struct ice_pf *pf;
102
103 /* Used during virtchnl message handling and NDO ops against the VF
104 * that will trigger a VFR
105 */
106 struct mutex cfg_lock;
107
108 u16 vf_id; /* VF ID in the PF space */
109 u16 lan_vsi_idx; /* index into PF struct */
110 u16 ctrl_vsi_idx;
111 struct ice_vf_fdir fdir;
112 /* first vector index of this VF in the PF space */
113 int first_vector_idx;
114 struct ice_sw *vf_sw_id; /* switch ID the VF VSIs connect to */
115 struct virtchnl_version_info vf_ver;
116 u32 driver_caps; /* reported by VF driver */
117 struct virtchnl_ether_addr dev_lan_addr;
118 struct virtchnl_ether_addr hw_lan_addr;
119 struct ice_time_mac legacy_last_added_umac;
120 DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF);
121 DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF);
122 u16 port_vlan_info; /* Port VLAN ID and QoS */
123 u8 pf_set_mac:1; /* VF MAC address set by VMM admin */
124 u8 trusted:1;
125 u8 spoofchk:1;
126 u8 link_forced:1;
127 u8 link_up:1; /* only valid if VF link is forced */
128 /* VSI indices - actual VSI pointers are maintained in the PF structure
129 * When assigned, these will be non-zero, because VSI 0 is always
130 * the main LAN VSI for the PF.
131 */
132 u16 lan_vsi_num; /* ID as used by firmware */
133 unsigned int min_tx_rate; /* Minimum Tx bandwidth limit in Mbps */
134 unsigned int max_tx_rate; /* Maximum Tx bandwidth limit in Mbps */
135 DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */
136
137 u64 num_inval_msgs; /* number of continuous invalid msgs */
138 u64 num_valid_msgs; /* number of valid msgs detected */
139 unsigned long vf_caps; /* VF's adv. capabilities */
140 u8 num_req_qs; /* num of queue pairs requested by VF */
141 u16 num_mac;
142 u16 num_vf_qs; /* num of queue configured per VF */
143 struct ice_mdd_vf_events mdd_rx_events;
144 struct ice_mdd_vf_events mdd_tx_events;
145 DECLARE_BITMAP(opcodes_allowlist, VIRTCHNL_OP_MAX);
146
147 struct ice_repr *repr;
148
149 struct ice_vc_vf_ops vc_ops;
150
151 /* devlink port data */
152 struct devlink_port devlink_port;
153 };
154
155 #ifdef CONFIG_PCI_IOV
156 struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf);
157 void ice_process_vflr_event(struct ice_pf *pf);
158 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs);
159 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac);
160 int
161 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi);
162
163 void ice_free_vfs(struct ice_pf *pf);
164 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event);
165 void ice_vc_notify_link_state(struct ice_pf *pf);
166 void ice_vc_notify_reset(struct ice_pf *pf);
167 void ice_vc_notify_vf_link_state(struct ice_vf *vf);
168 void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops);
169 void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops);
170 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr);
171 bool ice_reset_vf(struct ice_vf *vf, bool is_vflr);
172 void ice_restore_all_vfs_msi_state(struct pci_dev *pdev);
173 bool
174 ice_is_malicious_vf(struct ice_pf *pf, struct ice_rq_event_info *event,
175 u16 num_msg_proc, u16 num_msg_pending);
176
177 int
178 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
179 __be16 vlan_proto);
180
181 int
182 ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
183 int max_tx_rate);
184
185 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted);
186
187 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state);
188
189 int ice_check_vf_ready_for_cfg(struct ice_vf *vf);
190
191 bool ice_is_vf_disabled(struct ice_vf *vf);
192
193 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena);
194
195 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector);
196
197 void ice_set_vf_state_qs_dis(struct ice_vf *vf);
198 int
199 ice_get_vf_stats(struct net_device *netdev, int vf_id,
200 struct ifla_vf_stats *vf_stats);
201 bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
202 void
203 ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
204 void ice_print_vfs_mdd_events(struct ice_pf *pf);
205 void ice_print_vf_rx_mdd_event(struct ice_vf *vf);
206 struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf);
207 int
208 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
209 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen);
210 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id);
211 #else /* CONFIG_PCI_IOV */
ice_process_vflr_event(struct ice_pf * pf)212 static inline void ice_process_vflr_event(struct ice_pf *pf) { }
ice_free_vfs(struct ice_pf * pf)213 static inline void ice_free_vfs(struct ice_pf *pf) { }
214 static inline
ice_vc_process_vf_msg(struct ice_pf * pf,struct ice_rq_event_info * event)215 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) { }
ice_vc_notify_link_state(struct ice_pf * pf)216 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { }
ice_vc_notify_reset(struct ice_pf * pf)217 static inline void ice_vc_notify_reset(struct ice_pf *pf) { }
ice_vc_notify_vf_link_state(struct ice_vf * vf)218 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { }
ice_vc_change_ops_to_repr(struct ice_vc_vf_ops * ops)219 static inline void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops) { }
ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops * ops)220 static inline void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops) { }
ice_set_vf_state_qs_dis(struct ice_vf * vf)221 static inline void ice_set_vf_state_qs_dis(struct ice_vf *vf) { }
222 static inline
ice_vf_lan_overflow_event(struct ice_pf * pf,struct ice_rq_event_info * event)223 void ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event) { }
ice_print_vfs_mdd_events(struct ice_pf * pf)224 static inline void ice_print_vfs_mdd_events(struct ice_pf *pf) { }
ice_print_vf_rx_mdd_event(struct ice_vf * vf)225 static inline void ice_print_vf_rx_mdd_event(struct ice_vf *vf) { }
ice_restore_all_vfs_msi_state(struct pci_dev * pdev)226 static inline void ice_restore_all_vfs_msi_state(struct pci_dev *pdev) { }
227
ice_check_vf_ready_for_cfg(struct ice_vf * vf)228 static inline int ice_check_vf_ready_for_cfg(struct ice_vf *vf)
229 {
230 return -EOPNOTSUPP;
231 }
232
ice_is_vf_disabled(struct ice_vf * vf)233 static inline bool ice_is_vf_disabled(struct ice_vf *vf)
234 {
235 return true;
236 }
237
ice_get_vf_vsi(struct ice_vf * vf)238 static inline struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf)
239 {
240 return NULL;
241 }
242
243 static inline bool
ice_is_malicious_vf(struct ice_pf __always_unused * pf,struct ice_rq_event_info __always_unused * event,u16 __always_unused num_msg_proc,u16 __always_unused num_msg_pending)244 ice_is_malicious_vf(struct ice_pf __always_unused *pf,
245 struct ice_rq_event_info __always_unused *event,
246 u16 __always_unused num_msg_proc,
247 u16 __always_unused num_msg_pending)
248 {
249 return false;
250 }
251
252 static inline bool
ice_reset_all_vfs(struct ice_pf __always_unused * pf,bool __always_unused is_vflr)253 ice_reset_all_vfs(struct ice_pf __always_unused *pf,
254 bool __always_unused is_vflr)
255 {
256 return true;
257 }
258
259 static inline bool
ice_reset_vf(struct ice_vf __always_unused * vf,bool __always_unused is_vflr)260 ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr)
261 {
262 return true;
263 }
264
265 static inline int
ice_sriov_configure(struct pci_dev __always_unused * pdev,int __always_unused num_vfs)266 ice_sriov_configure(struct pci_dev __always_unused *pdev,
267 int __always_unused num_vfs)
268 {
269 return -EOPNOTSUPP;
270 }
271
272 static inline int
ice_set_vf_mac(struct net_device __always_unused * netdev,int __always_unused vf_id,u8 __always_unused * mac)273 ice_set_vf_mac(struct net_device __always_unused *netdev,
274 int __always_unused vf_id, u8 __always_unused *mac)
275 {
276 return -EOPNOTSUPP;
277 }
278
279 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)280 ice_get_vf_cfg(struct net_device __always_unused *netdev,
281 int __always_unused vf_id,
282 struct ifla_vf_info __always_unused *ivi)
283 {
284 return -EOPNOTSUPP;
285 }
286
287 static inline int
ice_set_vf_trust(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused trusted)288 ice_set_vf_trust(struct net_device __always_unused *netdev,
289 int __always_unused vf_id, bool __always_unused trusted)
290 {
291 return -EOPNOTSUPP;
292 }
293
294 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)295 ice_set_vf_port_vlan(struct net_device __always_unused *netdev,
296 int __always_unused vf_id, u16 __always_unused vid,
297 u8 __always_unused qos, __be16 __always_unused v_proto)
298 {
299 return -EOPNOTSUPP;
300 }
301
302 static inline int
ice_set_vf_spoofchk(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused ena)303 ice_set_vf_spoofchk(struct net_device __always_unused *netdev,
304 int __always_unused vf_id, bool __always_unused ena)
305 {
306 return -EOPNOTSUPP;
307 }
308
309 static inline int
ice_set_vf_link_state(struct net_device __always_unused * netdev,int __always_unused vf_id,int __always_unused link_state)310 ice_set_vf_link_state(struct net_device __always_unused *netdev,
311 int __always_unused vf_id, int __always_unused link_state)
312 {
313 return -EOPNOTSUPP;
314 }
315
316 static inline int
ice_set_vf_bw(struct net_device __always_unused * netdev,int __always_unused vf_id,int __always_unused min_tx_rate,int __always_unused max_tx_rate)317 ice_set_vf_bw(struct net_device __always_unused *netdev,
318 int __always_unused vf_id, int __always_unused min_tx_rate,
319 int __always_unused max_tx_rate)
320 {
321 return -EOPNOTSUPP;
322 }
323
324 static inline int
ice_calc_vf_reg_idx(struct ice_vf __always_unused * vf,struct ice_q_vector __always_unused * q_vector)325 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf,
326 struct ice_q_vector __always_unused *q_vector)
327 {
328 return 0;
329 }
330
331 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)332 ice_get_vf_stats(struct net_device __always_unused *netdev,
333 int __always_unused vf_id,
334 struct ifla_vf_stats __always_unused *vf_stats)
335 {
336 return -EOPNOTSUPP;
337 }
338
ice_is_any_vf_in_promisc(struct ice_pf __always_unused * pf)339 static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf)
340 {
341 return false;
342 }
343 #endif /* CONFIG_PCI_IOV */
344 #endif /* _ICE_VIRTCHNL_PF_H_ */
345