1	// SPDX-License-Identifier: GPL-2.0
2	/* Copyright (C) 2022, Intel Corporation. */
3
4	#include "ice_virtchnl.h"
5	#include "ice_vf_lib_private.h"
6	#include "ice.h"
7	#include "ice_base.h"
8	#include "ice_lib.h"
9	#include "ice_fltr.h"
10	#include "ice_virtchnl_allowlist.h"
11	#include "ice_vf_vsi_vlan_ops.h"
12	#include "ice_vlan.h"
13	#include "ice_flex_pipe.h"
14	#include "ice_dcb_lib.h"
15
16	#define FIELD_SELECTOR(proto_hdr_field) \
17	BIT((proto_hdr_field) & PROTO_HDR_FIELD_MASK)
18
19	struct ice_vc_hdr_match_type {
20	u32 vc_hdr; /* virtchnl headers (VIRTCHNL_PROTO_HDR_XXX) */
21	u32 ice_hdr; /* ice headers (ICE_FLOW_SEG_HDR_XXX) */
22	};
23
24	static const struct ice_vc_hdr_match_type ice_vc_hdr_list[] = {
25	{VIRTCHNL_PROTO_HDR_NONE, ICE_FLOW_SEG_HDR_NONE},
26	{VIRTCHNL_PROTO_HDR_ETH, ICE_FLOW_SEG_HDR_ETH},
27	{VIRTCHNL_PROTO_HDR_S_VLAN, ICE_FLOW_SEG_HDR_VLAN},
28	{VIRTCHNL_PROTO_HDR_C_VLAN, ICE_FLOW_SEG_HDR_VLAN},
29	{VIRTCHNL_PROTO_HDR_IPV4, ICE_FLOW_SEG_HDR_IPV4 |
30	ICE_FLOW_SEG_HDR_IPV_OTHER},
31	{VIRTCHNL_PROTO_HDR_IPV6, ICE_FLOW_SEG_HDR_IPV6 |
32	ICE_FLOW_SEG_HDR_IPV_OTHER},
33	{VIRTCHNL_PROTO_HDR_TCP, ICE_FLOW_SEG_HDR_TCP},
34	{VIRTCHNL_PROTO_HDR_UDP, ICE_FLOW_SEG_HDR_UDP},
35	{VIRTCHNL_PROTO_HDR_SCTP, ICE_FLOW_SEG_HDR_SCTP},
36	{VIRTCHNL_PROTO_HDR_PPPOE, ICE_FLOW_SEG_HDR_PPPOE},
37	{VIRTCHNL_PROTO_HDR_GTPU_IP, ICE_FLOW_SEG_HDR_GTPU_IP},
38	{VIRTCHNL_PROTO_HDR_GTPU_EH, ICE_FLOW_SEG_HDR_GTPU_EH},
39	{VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_DWN,
40	ICE_FLOW_SEG_HDR_GTPU_DWN},
41	{VIRTCHNL_PROTO_HDR_GTPU_EH_PDU_UP,
42	ICE_FLOW_SEG_HDR_GTPU_UP},
43	{VIRTCHNL_PROTO_HDR_L2TPV3, ICE_FLOW_SEG_HDR_L2TPV3},
44	{VIRTCHNL_PROTO_HDR_ESP, ICE_FLOW_SEG_HDR_ESP},
45	{VIRTCHNL_PROTO_HDR_AH, ICE_FLOW_SEG_HDR_AH},
46	{VIRTCHNL_PROTO_HDR_PFCP, ICE_FLOW_SEG_HDR_PFCP_SESSION},
47	};
48
49	struct ice_vc_hash_field_match_type {
50	u32 vc_hdr; /* virtchnl headers
51	* (VIRTCHNL_PROTO_HDR_XXX)
52	*/
53	u32 vc_hash_field; /* virtchnl hash fields selector
54	* FIELD_SELECTOR((VIRTCHNL_PROTO_HDR_ETH_XXX))
55	*/
56	u64 ice_hash_field; /* ice hash fields
57	* (BIT_ULL(ICE_FLOW_FIELD_IDX_XXX))
58	*/
59	};
60
61	static const struct
62	ice_vc_hash_field_match_type ice_vc_hash_field_list[] = {
63	{VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC),
64	BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
65	{VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST),
66	BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)},
67	{VIRTCHNL_PROTO_HDR_ETH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_SRC) |
68	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_DST),
69	ICE_FLOW_HASH_ETH},
70	{VIRTCHNL_PROTO_HDR_ETH,
71	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE),
72	BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_TYPE)},
73	{VIRTCHNL_PROTO_HDR_S_VLAN,
74	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_S_VLAN_ID),
75	BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN)},
76	{VIRTCHNL_PROTO_HDR_C_VLAN,
77	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_C_VLAN_ID),
78	BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN)},
79	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC),
80	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
81	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST),
82	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
83	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) |
84	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST),
85	ICE_FLOW_HASH_IPV4},
86	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) |
87	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT),
88	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
89	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
90	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) |
91	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT),
92	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
93	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
94	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_SRC) |
95	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_DST) |
96	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT),
97	ICE_FLOW_HASH_IPV4 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
98	{VIRTCHNL_PROTO_HDR_IPV4, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV4_PROT),
99	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
100	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC),
101	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
102	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST),
103	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
104	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) |
105	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST),
106	ICE_FLOW_HASH_IPV6},
107	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) |
108	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT),
109	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
110	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
111	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) |
112	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT),
113	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
114	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
115	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_SRC) |
116	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_DST) |
117	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT),
118	ICE_FLOW_HASH_IPV6 | BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
119	{VIRTCHNL_PROTO_HDR_IPV6, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_IPV6_PROT),
120	BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
121	{VIRTCHNL_PROTO_HDR_TCP,
122	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT),
123	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
124	{VIRTCHNL_PROTO_HDR_TCP,
125	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT),
126	BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
127	{VIRTCHNL_PROTO_HDR_TCP,
128	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_SRC_PORT) |
129	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_TCP_DST_PORT),
130	ICE_FLOW_HASH_TCP_PORT},
131	{VIRTCHNL_PROTO_HDR_UDP,
132	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT),
133	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
134	{VIRTCHNL_PROTO_HDR_UDP,
135	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT),
136	BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
137	{VIRTCHNL_PROTO_HDR_UDP,
138	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_SRC_PORT) |
139	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_UDP_DST_PORT),
140	ICE_FLOW_HASH_UDP_PORT},
141	{VIRTCHNL_PROTO_HDR_SCTP,
142	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT),
143	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
144	{VIRTCHNL_PROTO_HDR_SCTP,
145	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT),
146	BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
147	{VIRTCHNL_PROTO_HDR_SCTP,
148	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT) |
149	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_SCTP_DST_PORT),
150	ICE_FLOW_HASH_SCTP_PORT},
151	{VIRTCHNL_PROTO_HDR_PPPOE,
152	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PPPOE_SESS_ID),
153	BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID)},
154	{VIRTCHNL_PROTO_HDR_GTPU_IP,
155	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_GTPU_IP_TEID),
156	BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID)},
157	{VIRTCHNL_PROTO_HDR_L2TPV3,
158	FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID),
159	BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID)},
160	{VIRTCHNL_PROTO_HDR_ESP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ESP_SPI),
161	BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI)},
162	{VIRTCHNL_PROTO_HDR_AH, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_AH_SPI),
163	BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI)},
164	{VIRTCHNL_PROTO_HDR_PFCP, FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_PFCP_SEID),
165	BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID)},
166	};
167
168	/**
169	* ice_vc_vf_broadcast - Broadcast a message to all VFs on PF
170	* @pf: pointer to the PF structure
171	* @v_opcode: operation code
172	* @v_retval: return value
173	* @msg: pointer to the msg buffer
174	* @msglen: msg length
175	*/
176	static void
177	ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode,
178	enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
179	{
180	struct ice_hw *hw = &pf->hw;
181	struct ice_vf *vf;
182	unsigned int bkt;
183
184	mutex_lock(&pf->vfs.table_lock);
185	ice_for_each_vf(pf, bkt, vf) {
186	/* Not all vfs are enabled so skip the ones that are not */
187	if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) &&
188	!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
189	continue;
190
191	/* Ignore return value on purpose - a given VF may fail, but
192	* we need to keep going and send to all of them
193	*/
194	ice_aq_send_msg_to_vf(hw, vfid: vf->vf_id, v_opcode, v_retval, msg,
195	msglen, NULL);
196	}
197	mutex_unlock(lock: &pf->vfs.table_lock);
198	}
199
200	/**
201	* ice_set_pfe_link - Set the link speed/status of the virtchnl_pf_event
202	* @vf: pointer to the VF structure
203	* @pfe: pointer to the virtchnl_pf_event to set link speed/status for
204	* @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_*
205	* @link_up: whether or not to set the link up/down
206	*/
207	static void
208	ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe,
209	int ice_link_speed, bool link_up)
210	{
211	if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) {
212	pfe->event_data.link_event_adv.link_status = link_up;
213	/* Speed in Mbps */
214	pfe->event_data.link_event_adv.link_speed =
215	ice_conv_link_speed_to_virtchnl(adv_link_support: true, link_speed: ice_link_speed);
216	} else {
217	pfe->event_data.link_event.link_status = link_up;
218	/* Legacy method for virtchnl link speeds */
219	pfe->event_data.link_event.link_speed =
220	(enum virtchnl_link_speed)
221	ice_conv_link_speed_to_virtchnl(adv_link_support: false, link_speed: ice_link_speed);
222	}
223	}
224
225	/**
226	* ice_vc_notify_vf_link_state - Inform a VF of link status
227	* @vf: pointer to the VF structure
228	*
229	* send a link status message to a single VF
230	*/
231	void ice_vc_notify_vf_link_state(struct ice_vf *vf)
232	{
233	struct virtchnl_pf_event pfe = { 0 };
234	struct ice_hw *hw = &vf->pf->hw;
235
236	pfe.event = VIRTCHNL_EVENT_LINK_CHANGE;
237	pfe.severity = PF_EVENT_SEVERITY_INFO;
238
239	if (ice_is_vf_link_up(vf))
240	ice_set_pfe_link(vf, pfe: &pfe,
241	ice_link_speed: hw->port_info->phy.link_info.link_speed, link_up: true);
242	else
243	ice_set_pfe_link(vf, pfe: &pfe, ICE_AQ_LINK_SPEED_UNKNOWN, link_up: false);
244
245	ice_aq_send_msg_to_vf(hw, vfid: vf->vf_id, v_opcode: VIRTCHNL_OP_EVENT,
246	v_retval: VIRTCHNL_STATUS_SUCCESS, msg: (u8 *)&pfe,
247	msglen: sizeof(pfe), NULL);
248	}
249
250	/**
251	* ice_vc_notify_link_state - Inform all VFs on a PF of link status
252	* @pf: pointer to the PF structure
253	*/
254	void ice_vc_notify_link_state(struct ice_pf *pf)
255	{
256	struct ice_vf *vf;
257	unsigned int bkt;
258
259	mutex_lock(&pf->vfs.table_lock);
260	ice_for_each_vf(pf, bkt, vf)
261	ice_vc_notify_vf_link_state(vf);
262	mutex_unlock(lock: &pf->vfs.table_lock);
263	}
264
265	/**
266	* ice_vc_notify_reset - Send pending reset message to all VFs
267	* @pf: pointer to the PF structure
268	*
269	* indicate a pending reset to all VFs on a given PF
270	*/
271	void ice_vc_notify_reset(struct ice_pf *pf)
272	{
273	struct virtchnl_pf_event pfe;
274
275	if (!ice_has_vfs(pf))
276	return;
277
278	pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
279	pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
280	ice_vc_vf_broadcast(pf, v_opcode: VIRTCHNL_OP_EVENT, v_retval: VIRTCHNL_STATUS_SUCCESS,
281	msg: (u8 *)&pfe, msglen: sizeof(struct virtchnl_pf_event));
282	}
283
284	/**
285	* ice_vc_send_msg_to_vf - Send message to VF
286	* @vf: pointer to the VF info
287	* @v_opcode: virtual channel opcode
288	* @v_retval: virtual channel return value
289	* @msg: pointer to the msg buffer
290	* @msglen: msg length
291	*
292	* send msg to VF
293	*/
294	int
295	ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
296	enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
297	{
298	struct device *dev;
299	struct ice_pf *pf;
300	int aq_ret;
301
302	pf = vf->pf;
303	dev = ice_pf_to_dev(pf);
304
305	aq_ret = ice_aq_send_msg_to_vf(hw: &pf->hw, vfid: vf->vf_id, v_opcode, v_retval,
306	msg, msglen, NULL);
307	if (aq_ret && pf->hw.mailboxq.sq_last_status != ICE_AQ_RC_ENOSYS) {
308	dev_info(dev, "Unable to send the message to VF %d ret %d aq_err %s\n",
309	vf->vf_id, aq_ret,
310	ice_aq_str(pf->hw.mailboxq.sq_last_status));
311	return -EIO;
312	}
313
314	return 0;
315	}
316
317	/**
318	* ice_vc_get_ver_msg
319	* @vf: pointer to the VF info
320	* @msg: pointer to the msg buffer
321	*
322	* called from the VF to request the API version used by the PF
323	*/
324	static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg)
325	{
326	struct virtchnl_version_info info = {
327	VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR
328	};
329
330	vf->vf_ver = *(struct virtchnl_version_info *)msg;
331	/* VFs running the 1.0 API expect to get 1.0 back or they will cry. */
332	if (VF_IS_V10(&vf->vf_ver))
333	info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
334
335	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_VERSION,
336	v_retval: VIRTCHNL_STATUS_SUCCESS, msg: (u8 *)&info,
337	msglen: sizeof(struct virtchnl_version_info));
338	}
339
340	/**
341	* ice_vc_get_max_frame_size - get max frame size allowed for VF
342	* @vf: VF used to determine max frame size
343	*
344	* Max frame size is determined based on the current port's max frame size and
345	* whether a port VLAN is configured on this VF. The VF is not aware whether
346	* it's in a port VLAN so the PF needs to account for this in max frame size
347	* checks and sending the max frame size to the VF.
348	*/
349	static u16 ice_vc_get_max_frame_size(struct ice_vf *vf)
350	{
351	struct ice_port_info *pi = ice_vf_get_port_info(vf);
352	u16 max_frame_size;
353
354	max_frame_size = pi->phy.link_info.max_frame_size;
355
356	if (ice_vf_is_port_vlan_ena(vf))
357	max_frame_size -= VLAN_HLEN;
358
359	return max_frame_size;
360	}
361
362	/**
363	* ice_vc_get_vlan_caps
364	* @hw: pointer to the hw
365	* @vf: pointer to the VF info
366	* @vsi: pointer to the VSI
367	* @driver_caps: current driver caps
368	*
369	* Return 0 if there is no VLAN caps supported, or VLAN caps value
370	*/
371	static u32
372	ice_vc_get_vlan_caps(struct ice_hw *hw, struct ice_vf *vf, struct ice_vsi *vsi,
373	u32 driver_caps)
374	{
375	if (ice_is_eswitch_mode_switchdev(pf: vf->pf))
376	/* In switchdev setting VLAN from VF isn't supported */
377	return 0;
378
379	if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN_V2) {
380	/* VLAN offloads based on current device configuration */
381	return VIRTCHNL_VF_OFFLOAD_VLAN_V2;
382	} else if (driver_caps & VIRTCHNL_VF_OFFLOAD_VLAN) {
383	/* allow VF to negotiate VIRTCHNL_VF_OFFLOAD explicitly for
384	* these two conditions, which amounts to guest VLAN filtering
385	* and offloads being based on the inner VLAN or the
386	* inner/single VLAN respectively and don't allow VF to
387	* negotiate VIRTCHNL_VF_OFFLOAD in any other cases
388	*/
389	if (ice_is_dvm_ena(hw) && ice_vf_is_port_vlan_ena(vf)) {
390	return VIRTCHNL_VF_OFFLOAD_VLAN;
391	} else if (!ice_is_dvm_ena(hw) &&
392	!ice_vf_is_port_vlan_ena(vf)) {
393	/* configure backward compatible support for VFs that
394	* only support VIRTCHNL_VF_OFFLOAD_VLAN, the PF is
395	* configured in SVM, and no port VLAN is configured
396	*/
397	ice_vf_vsi_cfg_svm_legacy_vlan_mode(vsi);
398	return VIRTCHNL_VF_OFFLOAD_VLAN;
399	} else if (ice_is_dvm_ena(hw)) {
400	/* configure software offloaded VLAN support when DVM
401	* is enabled, but no port VLAN is enabled
402	*/
403	ice_vf_vsi_cfg_dvm_legacy_vlan_mode(vsi);
404	}
405	}
406
407	return 0;
408	}
409
410	/**
411	* ice_vc_get_vf_res_msg
412	* @vf: pointer to the VF info
413	* @msg: pointer to the msg buffer
414	*
415	* called from the VF to request its resources
416	*/
417	static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg)
418	{
419	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
420	struct virtchnl_vf_resource *vfres = NULL;
421	struct ice_hw *hw = &vf->pf->hw;
422	struct ice_vsi *vsi;
423	int len = 0;
424	int ret;
425
426	if (ice_check_vf_init(vf)) {
427	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
428	goto err;
429	}
430
431	len = virtchnl_struct_size(vfres, vsi_res, 0);
432
433	vfres = kzalloc(size: len, GFP_KERNEL);
434	if (!vfres) {
435	v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
436	len = 0;
437	goto err;
438	}
439	if (VF_IS_V11(&vf->vf_ver))
440	vf->driver_caps = *(u32 *)msg;
441	else
442	vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 |
443	VIRTCHNL_VF_OFFLOAD_VLAN;
444
445	vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2;
446	vsi = ice_get_vf_vsi(vf);
447	if (!vsi) {
448	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
449	goto err;
450	}
451
452	vfres->vf_cap_flags |= ice_vc_get_vlan_caps(hw, vf, vsi,
453	driver_caps: vf->driver_caps);
454
455	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF)
456	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF;
457
458	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)
459	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC;
460
461	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF)
462	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_FDIR_PF;
463
464	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2)
465	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2;
466
467	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP)
468	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP;
469
470	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM)
471	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM;
472
473	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING)
474	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING;
475
476	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
477	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
478
479	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES)
480	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES;
481
482	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC)
483	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_CRC;
484
485	if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED)
486	vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED;
487
488	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF)
489	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF;
490
491	if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO)
492	vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_USO;
493
494	vfres->num_vsis = 1;
495	/* Tx and Rx queue are equal for VF */
496	vfres->num_queue_pairs = vsi->num_txq;
497	vfres->max_vectors = vf->num_msix;
498	vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE;
499	vfres->rss_lut_size = ICE_LUT_VSI_SIZE;
500	vfres->max_mtu = ice_vc_get_max_frame_size(vf);
501
502	vfres->vsi_res[0].vsi_id = ICE_VF_VSI_ID;
503	vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
504	vfres->vsi_res[0].num_queue_pairs = vsi->num_txq;
505	ether_addr_copy(dst: vfres->vsi_res[0].default_mac_addr,
506	src: vf->hw_lan_addr);
507
508	/* match guest capabilities */
509	vf->driver_caps = vfres->vf_cap_flags;
510
511	ice_vc_set_caps_allowlist(vf);
512	ice_vc_set_working_allowlist(vf);
513
514	set_bit(nr: ICE_VF_STATE_ACTIVE, addr: vf->vf_states);
515
516	err:
517	/* send the response back to the VF */
518	ret = ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_GET_VF_RESOURCES, v_retval: v_ret,
519	msg: (u8 *)vfres, msglen: len);
520
521	kfree(objp: vfres);
522	return ret;
523	}
524
525	/**
526	* ice_vc_reset_vf_msg
527	* @vf: pointer to the VF info
528	*
529	* called from the VF to reset itself,
530	* unlike other virtchnl messages, PF driver
531	* doesn't send the response back to the VF
532	*/
533	static void ice_vc_reset_vf_msg(struct ice_vf *vf)
534	{
535	if (test_bit(ICE_VF_STATE_INIT, vf->vf_states))
536	ice_reset_vf(vf, flags: 0);
537	}
538
539	/**
540	* ice_vc_isvalid_vsi_id
541	* @vf: pointer to the VF info
542	* @vsi_id: VF relative VSI ID
543	*
544	* check for the valid VSI ID
545	*/
546	bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id)
547	{
548	return vsi_id == ICE_VF_VSI_ID;
549	}
550
551	/**
552	* ice_vc_isvalid_q_id
553	* @vsi: VSI to check queue ID against
554	* @qid: VSI relative queue ID
555	*
556	* check for the valid queue ID
557	*/
558	static bool ice_vc_isvalid_q_id(struct ice_vsi *vsi, u8 qid)
559	{
560	/* allocated Tx and Rx queues should be always equal for VF VSI */
561	return qid < vsi->alloc_txq;
562	}
563
564	/**
565	* ice_vc_isvalid_ring_len
566	* @ring_len: length of ring
567	*
568	* check for the valid ring count, should be multiple of ICE_REQ_DESC_MULTIPLE
569	* or zero
570	*/
571	static bool ice_vc_isvalid_ring_len(u16 ring_len)
572	{
573	return ring_len == 0 ||
574	(ring_len >= ICE_MIN_NUM_DESC &&
575	ring_len <= ICE_MAX_NUM_DESC &&
576	!(ring_len % ICE_REQ_DESC_MULTIPLE));
577	}
578
579	/**
580	* ice_vc_validate_pattern
581	* @vf: pointer to the VF info
582	* @proto: virtchnl protocol headers
583	*
584	* validate the pattern is supported or not.
585	*
586	* Return: true on success, false on error.
587	*/
588	bool
589	ice_vc_validate_pattern(struct ice_vf *vf, struct virtchnl_proto_hdrs *proto)
590	{
591	bool is_ipv4 = false;
592	bool is_ipv6 = false;
593	bool is_udp = false;
594	u16 ptype = -1;
595	int i = 0;
596
597	while (i < proto->count &&
598	proto->proto_hdr[i].type != VIRTCHNL_PROTO_HDR_NONE) {
599	switch (proto->proto_hdr[i].type) {
600	case VIRTCHNL_PROTO_HDR_ETH:
601	ptype = ICE_PTYPE_MAC_PAY;
602	break;
603	case VIRTCHNL_PROTO_HDR_IPV4:
604	ptype = ICE_PTYPE_IPV4_PAY;
605	is_ipv4 = true;
606	break;
607	case VIRTCHNL_PROTO_HDR_IPV6:
608	ptype = ICE_PTYPE_IPV6_PAY;
609	is_ipv6 = true;
610	break;
611	case VIRTCHNL_PROTO_HDR_UDP:
612	if (is_ipv4)
613	ptype = ICE_PTYPE_IPV4_UDP_PAY;
614	else if (is_ipv6)
615	ptype = ICE_PTYPE_IPV6_UDP_PAY;
616	is_udp = true;
617	break;
618	case VIRTCHNL_PROTO_HDR_TCP:
619	if (is_ipv4)
620	ptype = ICE_PTYPE_IPV4_TCP_PAY;
621	else if (is_ipv6)
622	ptype = ICE_PTYPE_IPV6_TCP_PAY;
623	break;
624	case VIRTCHNL_PROTO_HDR_SCTP:
625	if (is_ipv4)
626	ptype = ICE_PTYPE_IPV4_SCTP_PAY;
627	else if (is_ipv6)
628	ptype = ICE_PTYPE_IPV6_SCTP_PAY;
629	break;
630	case VIRTCHNL_PROTO_HDR_GTPU_IP:
631	case VIRTCHNL_PROTO_HDR_GTPU_EH:
632	if (is_ipv4)
633	ptype = ICE_MAC_IPV4_GTPU;
634	else if (is_ipv6)
635	ptype = ICE_MAC_IPV6_GTPU;
636	goto out;
637	case VIRTCHNL_PROTO_HDR_L2TPV3:
638	if (is_ipv4)
639	ptype = ICE_MAC_IPV4_L2TPV3;
640	else if (is_ipv6)
641	ptype = ICE_MAC_IPV6_L2TPV3;
642	goto out;
643	case VIRTCHNL_PROTO_HDR_ESP:
644	if (is_ipv4)
645	ptype = is_udp ? ICE_MAC_IPV4_NAT_T_ESP :
646	ICE_MAC_IPV4_ESP;
647	else if (is_ipv6)
648	ptype = is_udp ? ICE_MAC_IPV6_NAT_T_ESP :
649	ICE_MAC_IPV6_ESP;
650	goto out;
651	case VIRTCHNL_PROTO_HDR_AH:
652	if (is_ipv4)
653	ptype = ICE_MAC_IPV4_AH;
654	else if (is_ipv6)
655	ptype = ICE_MAC_IPV6_AH;
656	goto out;
657	case VIRTCHNL_PROTO_HDR_PFCP:
658	if (is_ipv4)
659	ptype = ICE_MAC_IPV4_PFCP_SESSION;
660	else if (is_ipv6)
661	ptype = ICE_MAC_IPV6_PFCP_SESSION;
662	goto out;
663	default:
664	break;
665	}
666	i++;
667	}
668
669	out:
670	return ice_hw_ptype_ena(hw: &vf->pf->hw, ptype);
671	}
672
673	/**
674	* ice_vc_parse_rss_cfg - parses hash fields and headers from
675	* a specific virtchnl RSS cfg
676	* @hw: pointer to the hardware
677	* @rss_cfg: pointer to the virtchnl RSS cfg
678	* @hash_cfg: pointer to the HW hash configuration
679	*
680	* Return true if all the protocol header and hash fields in the RSS cfg could
681	* be parsed, else return false
682	*
683	* This function parses the virtchnl RSS cfg to be the intended
684	* hash fields and the intended header for RSS configuration
685	*/
686	static bool ice_vc_parse_rss_cfg(struct ice_hw *hw,
687	struct virtchnl_rss_cfg *rss_cfg,
688	struct ice_rss_hash_cfg *hash_cfg)
689	{
690	const struct ice_vc_hash_field_match_type *hf_list;
691	const struct ice_vc_hdr_match_type *hdr_list;
692	int i, hf_list_len, hdr_list_len;
693	u32 *addl_hdrs = &hash_cfg->addl_hdrs;
694	u64 *hash_flds = &hash_cfg->hash_flds;
695
696	/* set outer layer RSS as default */
697	hash_cfg->hdr_type = ICE_RSS_OUTER_HEADERS;
698
699	if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC)
700	hash_cfg->symm = true;
701	else
702	hash_cfg->symm = false;
703
704	hf_list = ice_vc_hash_field_list;
705	hf_list_len = ARRAY_SIZE(ice_vc_hash_field_list);
706	hdr_list = ice_vc_hdr_list;
707	hdr_list_len = ARRAY_SIZE(ice_vc_hdr_list);
708
709	for (i = 0; i < rss_cfg->proto_hdrs.count; i++) {
710	struct virtchnl_proto_hdr *proto_hdr =
711	&rss_cfg->proto_hdrs.proto_hdr[i];
712	bool hdr_found = false;
713	int j;
714
715	/* Find matched ice headers according to virtchnl headers. */
716	for (j = 0; j < hdr_list_len; j++) {
717	struct ice_vc_hdr_match_type hdr_map = hdr_list[j];
718
719	if (proto_hdr->type == hdr_map.vc_hdr) {
720	*addl_hdrs |= hdr_map.ice_hdr;
721	hdr_found = true;
722	}
723	}
724
725	if (!hdr_found)
726	return false;
727
728	/* Find matched ice hash fields according to
729	* virtchnl hash fields.
730	*/
731	for (j = 0; j < hf_list_len; j++) {
732	struct ice_vc_hash_field_match_type hf_map = hf_list[j];
733
734	if (proto_hdr->type == hf_map.vc_hdr &&
735	proto_hdr->field_selector == hf_map.vc_hash_field) {
736	*hash_flds |= hf_map.ice_hash_field;
737	break;
738	}
739	}
740	}
741
742	return true;
743	}
744
745	/**
746	* ice_vf_adv_rss_offload_ena - determine if capabilities support advanced
747	* RSS offloads
748	* @caps: VF driver negotiated capabilities
749	*
750	* Return true if VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF capability is set,
751	* else return false
752	*/
753	static bool ice_vf_adv_rss_offload_ena(u32 caps)
754	{
755	return !!(caps & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF);
756	}
757
758	/**
759	* ice_vc_handle_rss_cfg
760	* @vf: pointer to the VF info
761	* @msg: pointer to the message buffer
762	* @add: add a RSS config if true, otherwise delete a RSS config
763	*
764	* This function adds/deletes a RSS config
765	*/
766	static int ice_vc_handle_rss_cfg(struct ice_vf *vf, u8 *msg, bool add)
767	{
768	u32 v_opcode = add ? VIRTCHNL_OP_ADD_RSS_CFG : VIRTCHNL_OP_DEL_RSS_CFG;
769	struct virtchnl_rss_cfg *rss_cfg = (struct virtchnl_rss_cfg *)msg;
770	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
771	struct device *dev = ice_pf_to_dev(vf->pf);
772	struct ice_hw *hw = &vf->pf->hw;
773	struct ice_vsi *vsi;
774
775	if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
776	dev_dbg(dev, "VF %d attempting to configure RSS, but RSS is not supported by the PF\n",
777	vf->vf_id);
778	v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
779	goto error_param;
780	}
781
782	if (!ice_vf_adv_rss_offload_ena(caps: vf->driver_caps)) {
783	dev_dbg(dev, "VF %d attempting to configure RSS, but Advanced RSS offload is not supported\n",
784	vf->vf_id);
785	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
786	goto error_param;
787	}
788
789	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
790	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
791	goto error_param;
792	}
793
794	if (rss_cfg->proto_hdrs.count > VIRTCHNL_MAX_NUM_PROTO_HDRS ||
795	rss_cfg->rss_algorithm < VIRTCHNL_RSS_ALG_TOEPLITZ_ASYMMETRIC ||
796	rss_cfg->rss_algorithm > VIRTCHNL_RSS_ALG_XOR_SYMMETRIC) {
797	dev_dbg(dev, "VF %d attempting to configure RSS, but RSS configuration is not valid\n",
798	vf->vf_id);
799	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
800	goto error_param;
801	}
802
803	vsi = ice_get_vf_vsi(vf);
804	if (!vsi) {
805	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
806	goto error_param;
807	}
808
809	if (!ice_vc_validate_pattern(vf, proto: &rss_cfg->proto_hdrs)) {
810	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
811	goto error_param;
812	}
813
814	if (rss_cfg->rss_algorithm == VIRTCHNL_RSS_ALG_R_ASYMMETRIC) {
815	struct ice_vsi_ctx *ctx;
816	u8 lut_type, hash_type;
817	int status;
818
819	lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
820	hash_type = add ? ICE_AQ_VSI_Q_OPT_RSS_HASH_XOR :
821	ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
822
823	ctx = kzalloc(size: sizeof(*ctx), GFP_KERNEL);
824	if (!ctx) {
825	v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
826	goto error_param;
827	}
828
829	ctx->info.q_opt_rss =
830	FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_LUT_M, lut_type) |
831	FIELD_PREP(ICE_AQ_VSI_Q_OPT_RSS_HASH_M, hash_type);
832
833	/* Preserve existing queueing option setting */
834	ctx->info.q_opt_rss |= (vsi->info.q_opt_rss &
835	ICE_AQ_VSI_Q_OPT_RSS_GBL_LUT_M);
836	ctx->info.q_opt_tc = vsi->info.q_opt_tc;
837	ctx->info.q_opt_flags = vsi->info.q_opt_rss;
838
839	ctx->info.valid_sections =
840	cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
841
842	status = ice_update_vsi(hw, vsi_handle: vsi->idx, vsi_ctx: ctx, NULL);
843	if (status) {
844	dev_err(dev, "update VSI for RSS failed, err %d aq_err %s\n",
845	status, ice_aq_str(hw->adminq.sq_last_status));
846	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
847	} else {
848	vsi->info.q_opt_rss = ctx->info.q_opt_rss;
849	}
850
851	kfree(objp: ctx);
852	} else {
853	struct ice_rss_hash_cfg cfg;
854
855	/* Only check for none raw pattern case */
856	if (!ice_vc_validate_pattern(vf, proto: &rss_cfg->proto_hdrs)) {
857	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
858	goto error_param;
859	}
860	cfg.addl_hdrs = ICE_FLOW_SEG_HDR_NONE;
861	cfg.hash_flds = ICE_HASH_INVALID;
862	cfg.hdr_type = ICE_RSS_ANY_HEADERS;
863
864	if (!ice_vc_parse_rss_cfg(hw, rss_cfg, hash_cfg: &cfg)) {
865	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
866	goto error_param;
867	}
868
869	if (add) {
870	if (ice_add_rss_cfg(hw, vsi, cfg: &cfg)) {
871	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
872	dev_err(dev, "ice_add_rss_cfg failed for vsi = %d, v_ret = %d\n",
873	vsi->vsi_num, v_ret);
874	}
875	} else {
876	int status;
877
878	status = ice_rem_rss_cfg(hw, vsi_handle: vsi->idx, cfg: &cfg);
879	/* We just ignore -ENOENT, because if two configurations
880	* share the same profile remove one of them actually
881	* removes both, since the profile is deleted.
882	*/
883	if (status && status != -ENOENT) {
884	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
885	dev_err(dev, "ice_rem_rss_cfg failed for VF ID:%d, error:%d\n",
886	vf->vf_id, status);
887	}
888	}
889	}
890
891	error_param:
892	return ice_vc_send_msg_to_vf(vf, v_opcode, v_retval: v_ret, NULL, msglen: 0);
893	}
894
895	/**
896	* ice_vc_config_rss_key
897	* @vf: pointer to the VF info
898	* @msg: pointer to the msg buffer
899	*
900	* Configure the VF's RSS key
901	*/
902	static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg)
903	{
904	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
905	struct virtchnl_rss_key *vrk =
906	(struct virtchnl_rss_key *)msg;
907	struct ice_vsi *vsi;
908
909	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
910	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
911	goto error_param;
912	}
913
914	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vrk->vsi_id)) {
915	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
916	goto error_param;
917	}
918
919	if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) {
920	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
921	goto error_param;
922	}
923
924	if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
925	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
926	goto error_param;
927	}
928
929	vsi = ice_get_vf_vsi(vf);
930	if (!vsi) {
931	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
932	goto error_param;
933	}
934
935	if (ice_set_rss_key(vsi, seed: vrk->key))
936	v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
937	error_param:
938	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_RSS_KEY, v_retval: v_ret,
939	NULL, msglen: 0);
940	}
941
942	/**
943	* ice_vc_config_rss_lut
944	* @vf: pointer to the VF info
945	* @msg: pointer to the msg buffer
946	*
947	* Configure the VF's RSS LUT
948	*/
949	static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg)
950	{
951	struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
952	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
953	struct ice_vsi *vsi;
954
955	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
956	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
957	goto error_param;
958	}
959
960	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vrl->vsi_id)) {
961	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
962	goto error_param;
963	}
964
965	if (vrl->lut_entries != ICE_LUT_VSI_SIZE) {
966	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
967	goto error_param;
968	}
969
970	if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
971	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
972	goto error_param;
973	}
974
975	vsi = ice_get_vf_vsi(vf);
976	if (!vsi) {
977	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
978	goto error_param;
979	}
980
981	if (ice_set_rss_lut(vsi, lut: vrl->lut, lut_size: ICE_LUT_VSI_SIZE))
982	v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
983	error_param:
984	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_RSS_LUT, v_retval: v_ret,
985	NULL, msglen: 0);
986	}
987
988	/**
989	* ice_vc_config_rss_hfunc
990	* @vf: pointer to the VF info
991	* @msg: pointer to the msg buffer
992	*
993	* Configure the VF's RSS Hash function
994	*/
995	static int ice_vc_config_rss_hfunc(struct ice_vf *vf, u8 *msg)
996	{
997	struct virtchnl_rss_hfunc *vrh = (struct virtchnl_rss_hfunc *)msg;
998	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
999	u8 hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_TPLZ;
1000	struct ice_vsi *vsi;
1001
1002	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
1003	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1004	goto error_param;
1005	}
1006
1007	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vrh->vsi_id)) {
1008	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1009	goto error_param;
1010	}
1011
1012	if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
1013	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1014	goto error_param;
1015	}
1016
1017	vsi = ice_get_vf_vsi(vf);
1018	if (!vsi) {
1019	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1020	goto error_param;
1021	}
1022
1023	if (vrh->rss_algorithm == VIRTCHNL_RSS_ALG_TOEPLITZ_SYMMETRIC)
1024	hfunc = ICE_AQ_VSI_Q_OPT_RSS_HASH_SYM_TPLZ;
1025
1026	if (ice_set_rss_hfunc(vsi, hfunc))
1027	v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
1028	error_param:
1029	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_RSS_HFUNC, v_retval: v_ret,
1030	NULL, msglen: 0);
1031	}
1032
1033	/**
1034	* ice_vc_cfg_promiscuous_mode_msg
1035	* @vf: pointer to the VF info
1036	* @msg: pointer to the msg buffer
1037	*
1038	* called from the VF to configure VF VSIs promiscuous mode
1039	*/
1040	static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
1041	{
1042	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
1043	bool rm_promisc, alluni = false, allmulti = false;
1044	struct virtchnl_promisc_info *info =
1045	(struct virtchnl_promisc_info *)msg;
1046	struct ice_vsi_vlan_ops *vlan_ops;
1047	int mcast_err = 0, ucast_err = 0;
1048	struct ice_pf *pf = vf->pf;
1049	struct ice_vsi *vsi;
1050	u8 mcast_m, ucast_m;
1051	struct device *dev;
1052	int ret = 0;
1053
1054	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
1055	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1056	goto error_param;
1057	}
1058
1059	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: info->vsi_id)) {
1060	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1061	goto error_param;
1062	}
1063
1064	vsi = ice_get_vf_vsi(vf);
1065	if (!vsi) {
1066	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1067	goto error_param;
1068	}
1069
1070	dev = ice_pf_to_dev(pf);
1071	if (!ice_is_vf_trusted(vf)) {
1072	dev_err(dev, "Unprivileged VF %d is attempting to configure promiscuous mode\n",
1073	vf->vf_id);
1074	/* Leave v_ret alone, lie to the VF on purpose. */
1075	goto error_param;
1076	}
1077
1078	if (info->flags & FLAG_VF_UNICAST_PROMISC)
1079	alluni = true;
1080
1081	if (info->flags & FLAG_VF_MULTICAST_PROMISC)
1082	allmulti = true;
1083
1084	rm_promisc = !allmulti && !alluni;
1085
1086	vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
1087	if (rm_promisc)
1088	ret = vlan_ops->ena_rx_filtering(vsi);
1089	else
1090	ret = vlan_ops->dis_rx_filtering(vsi);
1091	if (ret) {
1092	dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n");
1093	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1094	goto error_param;
1095	}
1096
1097	ice_vf_get_promisc_masks(vf, vsi, ucast_m: &ucast_m, mcast_m: &mcast_m);
1098
1099	if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) {
1100	if (alluni) {
1101	/* in this case we're turning on promiscuous mode */
1102	ret = ice_set_dflt_vsi(vsi);
1103	} else {
1104	/* in this case we're turning off promiscuous mode */
1105	if (ice_is_dflt_vsi_in_use(pi: vsi->port_info))
1106	ret = ice_clear_dflt_vsi(vsi);
1107	}
1108
1109	/* in this case we're turning on/off only
1110	* allmulticast
1111	*/
1112	if (allmulti)
1113	mcast_err = ice_vf_set_vsi_promisc(vf, vsi, promisc_m: mcast_m);
1114	else
1115	mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, promisc_m: mcast_m);
1116
1117	if (ret) {
1118	dev_err(dev, "Turning on/off promiscuous mode for VF %d failed, error: %d\n",
1119	vf->vf_id, ret);
1120	v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
1121	goto error_param;
1122	}
1123	} else {
1124	if (alluni)
1125	ucast_err = ice_vf_set_vsi_promisc(vf, vsi, promisc_m: ucast_m);
1126	else
1127	ucast_err = ice_vf_clear_vsi_promisc(vf, vsi, promisc_m: ucast_m);
1128
1129	if (allmulti)
1130	mcast_err = ice_vf_set_vsi_promisc(vf, vsi, promisc_m: mcast_m);
1131	else
1132	mcast_err = ice_vf_clear_vsi_promisc(vf, vsi, promisc_m: mcast_m);
1133
1134	if (ucast_err || mcast_err)
1135	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1136	}
1137
1138	if (!mcast_err) {
1139	if (allmulti &&
1140	!test_and_set_bit(nr: ICE_VF_STATE_MC_PROMISC, addr: vf->vf_states))
1141	dev_info(dev, "VF %u successfully set multicast promiscuous mode\n",
1142	vf->vf_id);
1143	else if (!allmulti &&
1144	test_and_clear_bit(nr: ICE_VF_STATE_MC_PROMISC,
1145	addr: vf->vf_states))
1146	dev_info(dev, "VF %u successfully unset multicast promiscuous mode\n",
1147	vf->vf_id);
1148	} else {
1149	dev_err(dev, "Error while modifying multicast promiscuous mode for VF %u, error: %d\n",
1150	vf->vf_id, mcast_err);
1151	}
1152
1153	if (!ucast_err) {
1154	if (alluni &&
1155	!test_and_set_bit(nr: ICE_VF_STATE_UC_PROMISC, addr: vf->vf_states))
1156	dev_info(dev, "VF %u successfully set unicast promiscuous mode\n",
1157	vf->vf_id);
1158	else if (!alluni &&
1159	test_and_clear_bit(nr: ICE_VF_STATE_UC_PROMISC,
1160	addr: vf->vf_states))
1161	dev_info(dev, "VF %u successfully unset unicast promiscuous mode\n",
1162	vf->vf_id);
1163	} else {
1164	dev_err(dev, "Error while modifying unicast promiscuous mode for VF %u, error: %d\n",
1165	vf->vf_id, ucast_err);
1166	}
1167
1168	error_param:
1169	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1170	v_retval: v_ret, NULL, msglen: 0);
1171	}
1172
1173	/**
1174	* ice_vc_get_stats_msg
1175	* @vf: pointer to the VF info
1176	* @msg: pointer to the msg buffer
1177	*
1178	* called from the VF to get VSI stats
1179	*/
1180	static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg)
1181	{
1182	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
1183	struct virtchnl_queue_select *vqs =
1184	(struct virtchnl_queue_select *)msg;
1185	struct ice_eth_stats stats = { 0 };
1186	struct ice_vsi *vsi;
1187
1188	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
1189	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1190	goto error_param;
1191	}
1192
1193	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vqs->vsi_id)) {
1194	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1195	goto error_param;
1196	}
1197
1198	vsi = ice_get_vf_vsi(vf);
1199	if (!vsi) {
1200	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1201	goto error_param;
1202	}
1203
1204	ice_update_eth_stats(vsi);
1205
1206	stats = vsi->eth_stats;
1207
1208	error_param:
1209	/* send the response to the VF */
1210	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_GET_STATS, v_retval: v_ret,
1211	msg: (u8 *)&stats, msglen: sizeof(stats));
1212	}
1213
1214	/**
1215	* ice_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTCHNL
1216	* @vqs: virtchnl_queue_select structure containing bitmaps to validate
1217	*
1218	* Return true on successful validation, else false
1219	*/
1220	static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs)
1221	{
1222	if ((!vqs->rx_queues && !vqs->tx_queues) ||
1223	vqs->rx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF) ||
1224	vqs->tx_queues >= BIT(ICE_MAX_RSS_QS_PER_VF))
1225	return false;
1226
1227	return true;
1228	}
1229
1230	/**
1231	* ice_vf_ena_txq_interrupt - enable Tx queue interrupt via QINT_TQCTL
1232	* @vsi: VSI of the VF to configure
1233	* @q_idx: VF queue index used to determine the queue in the PF's space
1234	*/
1235	static void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx)
1236	{
1237	struct ice_hw *hw = &vsi->back->hw;
1238	u32 pfq = vsi->txq_map[q_idx];
1239	u32 reg;
1240
1241	reg = rd32(hw, QINT_TQCTL(pfq));
1242
1243	/* MSI-X index 0 in the VF's space is always for the OICR, which means
1244	* this is most likely a poll mode VF driver, so don't enable an
1245	* interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP
1246	*/
1247	if (!(reg & QINT_TQCTL_MSIX_INDX_M))
1248	return;
1249
1250	wr32(hw, QINT_TQCTL(pfq), reg | QINT_TQCTL_CAUSE_ENA_M);
1251	}
1252
1253	/**
1254	* ice_vf_ena_rxq_interrupt - enable Tx queue interrupt via QINT_RQCTL
1255	* @vsi: VSI of the VF to configure
1256	* @q_idx: VF queue index used to determine the queue in the PF's space
1257	*/
1258	static void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx)
1259	{
1260	struct ice_hw *hw = &vsi->back->hw;
1261	u32 pfq = vsi->rxq_map[q_idx];
1262	u32 reg;
1263
1264	reg = rd32(hw, QINT_RQCTL(pfq));
1265
1266	/* MSI-X index 0 in the VF's space is always for the OICR, which means
1267	* this is most likely a poll mode VF driver, so don't enable an
1268	* interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP
1269	*/
1270	if (!(reg & QINT_RQCTL_MSIX_INDX_M))
1271	return;
1272
1273	wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M);
1274	}
1275
1276	/**
1277	* ice_vc_ena_qs_msg
1278	* @vf: pointer to the VF info
1279	* @msg: pointer to the msg buffer
1280	*
1281	* called from the VF to enable all or specific queue(s)
1282	*/
1283	static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
1284	{
1285	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
1286	struct virtchnl_queue_select *vqs =
1287	(struct virtchnl_queue_select *)msg;
1288	struct ice_vsi *vsi;
1289	unsigned long q_map;
1290	u16 vf_q_id;
1291
1292	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
1293	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1294	goto error_param;
1295	}
1296
1297	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vqs->vsi_id)) {
1298	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1299	goto error_param;
1300	}
1301
1302	if (!ice_vc_validate_vqs_bitmaps(vqs)) {
1303	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1304	goto error_param;
1305	}
1306
1307	vsi = ice_get_vf_vsi(vf);
1308	if (!vsi) {
1309	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1310	goto error_param;
1311	}
1312
1313	/* Enable only Rx rings, Tx rings were enabled by the FW when the
1314	* Tx queue group list was configured and the context bits were
1315	* programmed using ice_vsi_cfg_txqs
1316	*/
1317	q_map = vqs->rx_queues;
1318	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
1319	if (!ice_vc_isvalid_q_id(vsi, qid: vf_q_id)) {
1320	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1321	goto error_param;
1322	}
1323
1324	/* Skip queue if enabled */
1325	if (test_bit(vf_q_id, vf->rxq_ena))
1326	continue;
1327
1328	if (ice_vsi_ctrl_one_rx_ring(vsi, ena: true, rxq_idx: vf_q_id, wait: true)) {
1329	dev_err(ice_pf_to_dev(vsi->back), "Failed to enable Rx ring %d on VSI %d\n",
1330	vf_q_id, vsi->vsi_num);
1331	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1332	goto error_param;
1333	}
1334
1335	ice_vf_ena_rxq_interrupt(vsi, q_idx: vf_q_id);
1336	set_bit(nr: vf_q_id, addr: vf->rxq_ena);
1337	}
1338
1339	q_map = vqs->tx_queues;
1340	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
1341	if (!ice_vc_isvalid_q_id(vsi, qid: vf_q_id)) {
1342	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1343	goto error_param;
1344	}
1345
1346	/* Skip queue if enabled */
1347	if (test_bit(vf_q_id, vf->txq_ena))
1348	continue;
1349
1350	ice_vf_ena_txq_interrupt(vsi, q_idx: vf_q_id);
1351	set_bit(nr: vf_q_id, addr: vf->txq_ena);
1352	}
1353
1354	/* Set flag to indicate that queues are enabled */
1355	if (v_ret == VIRTCHNL_STATUS_SUCCESS)
1356	set_bit(nr: ICE_VF_STATE_QS_ENA, addr: vf->vf_states);
1357
1358	error_param:
1359	/* send the response to the VF */
1360	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ENABLE_QUEUES, v_retval: v_ret,
1361	NULL, msglen: 0);
1362	}
1363
1364	/**
1365	* ice_vf_vsi_dis_single_txq - disable a single Tx queue
1366	* @vf: VF to disable queue for
1367	* @vsi: VSI for the VF
1368	* @q_id: VF relative (0-based) queue ID
1369	*
1370	* Attempt to disable the Tx queue passed in. If the Tx queue was successfully
1371	* disabled then clear q_id bit in the enabled queues bitmap and return
1372	* success. Otherwise return error.
1373	*/
1374	static int
1375	ice_vf_vsi_dis_single_txq(struct ice_vf *vf, struct ice_vsi *vsi, u16 q_id)
1376	{
1377	struct ice_txq_meta txq_meta = { 0 };
1378	struct ice_tx_ring *ring;
1379	int err;
1380
1381	if (!test_bit(q_id, vf->txq_ena))
1382	dev_dbg(ice_pf_to_dev(vsi->back), "Queue %u on VSI %u is not enabled, but stopping it anyway\n",
1383	q_id, vsi->vsi_num);
1384
1385	ring = vsi->tx_rings[q_id];
1386	if (!ring)
1387	return -EINVAL;
1388
1389	ice_fill_txq_meta(vsi, ring, txq_meta: &txq_meta);
1390
1391	err = ice_vsi_stop_tx_ring(vsi, rst_src: ICE_NO_RESET, rel_vmvf_num: vf->vf_id, ring, txq_meta: &txq_meta);
1392	if (err) {
1393	dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n",
1394	q_id, vsi->vsi_num);
1395	return err;
1396	}
1397
1398	/* Clear enabled queues flag */
1399	clear_bit(nr: q_id, addr: vf->txq_ena);
1400
1401	return 0;
1402	}
1403
1404	/**
1405	* ice_vc_dis_qs_msg
1406	* @vf: pointer to the VF info
1407	* @msg: pointer to the msg buffer
1408	*
1409	* called from the VF to disable all or specific queue(s)
1410	*/
1411	static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg)
1412	{
1413	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
1414	struct virtchnl_queue_select *vqs =
1415	(struct virtchnl_queue_select *)msg;
1416	struct ice_vsi *vsi;
1417	unsigned long q_map;
1418	u16 vf_q_id;
1419
1420	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) &&
1421	!test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) {
1422	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1423	goto error_param;
1424	}
1425
1426	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vqs->vsi_id)) {
1427	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1428	goto error_param;
1429	}
1430
1431	if (!ice_vc_validate_vqs_bitmaps(vqs)) {
1432	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1433	goto error_param;
1434	}
1435
1436	vsi = ice_get_vf_vsi(vf);
1437	if (!vsi) {
1438	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1439	goto error_param;
1440	}
1441
1442	if (vqs->tx_queues) {
1443	q_map = vqs->tx_queues;
1444
1445	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
1446	if (!ice_vc_isvalid_q_id(vsi, qid: vf_q_id)) {
1447	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1448	goto error_param;
1449	}
1450
1451	if (ice_vf_vsi_dis_single_txq(vf, vsi, q_id: vf_q_id)) {
1452	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1453	goto error_param;
1454	}
1455	}
1456	}
1457
1458	q_map = vqs->rx_queues;
1459	/* speed up Rx queue disable by batching them if possible */
1460	if (q_map &&
1461	bitmap_equal(src1: &q_map, src2: vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF)) {
1462	if (ice_vsi_stop_all_rx_rings(vsi)) {
1463	dev_err(ice_pf_to_dev(vsi->back), "Failed to stop all Rx rings on VSI %d\n",
1464	vsi->vsi_num);
1465	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1466	goto error_param;
1467	}
1468
1469	bitmap_zero(dst: vf->rxq_ena, ICE_MAX_RSS_QS_PER_VF);
1470	} else if (q_map) {
1471	for_each_set_bit(vf_q_id, &q_map, ICE_MAX_RSS_QS_PER_VF) {
1472	if (!ice_vc_isvalid_q_id(vsi, qid: vf_q_id)) {
1473	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1474	goto error_param;
1475	}
1476
1477	/* Skip queue if not enabled */
1478	if (!test_bit(vf_q_id, vf->rxq_ena))
1479	continue;
1480
1481	if (ice_vsi_ctrl_one_rx_ring(vsi, ena: false, rxq_idx: vf_q_id,
1482	wait: true)) {
1483	dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Rx ring %d on VSI %d\n",
1484	vf_q_id, vsi->vsi_num);
1485	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1486	goto error_param;
1487	}
1488
1489	/* Clear enabled queues flag */
1490	clear_bit(nr: vf_q_id, addr: vf->rxq_ena);
1491	}
1492	}
1493
1494	/* Clear enabled queues flag */
1495	if (v_ret == VIRTCHNL_STATUS_SUCCESS && ice_vf_has_no_qs_ena(vf))
1496	clear_bit(nr: ICE_VF_STATE_QS_ENA, addr: vf->vf_states);
1497
1498	error_param:
1499	/* send the response to the VF */
1500	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DISABLE_QUEUES, v_retval: v_ret,
1501	NULL, msglen: 0);
1502	}
1503
1504	/**
1505	* ice_cfg_interrupt
1506	* @vf: pointer to the VF info
1507	* @vsi: the VSI being configured
1508	* @vector_id: vector ID
1509	* @map: vector map for mapping vectors to queues
1510	* @q_vector: structure for interrupt vector
1511	* configure the IRQ to queue map
1512	*/
1513	static int
1514	ice_cfg_interrupt(struct ice_vf *vf, struct ice_vsi *vsi, u16 vector_id,
1515	struct virtchnl_vector_map *map,
1516	struct ice_q_vector *q_vector)
1517	{
1518	u16 vsi_q_id, vsi_q_id_idx;
1519	unsigned long qmap;
1520
1521	q_vector->num_ring_rx = 0;
1522	q_vector->num_ring_tx = 0;
1523
1524	qmap = map->rxq_map;
1525	for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {
1526	vsi_q_id = vsi_q_id_idx;
1527
1528	if (!ice_vc_isvalid_q_id(vsi, qid: vsi_q_id))
1529	return VIRTCHNL_STATUS_ERR_PARAM;
1530
1531	q_vector->num_ring_rx++;
1532	q_vector->rx.itr_idx = map->rxitr_idx;
1533	vsi->rx_rings[vsi_q_id]->q_vector = q_vector;
1534	ice_cfg_rxq_interrupt(vsi, rxq: vsi_q_id, msix_idx: vector_id,
1535	itr_idx: q_vector->rx.itr_idx);
1536	}
1537
1538	qmap = map->txq_map;
1539	for_each_set_bit(vsi_q_id_idx, &qmap, ICE_MAX_RSS_QS_PER_VF) {
1540	vsi_q_id = vsi_q_id_idx;
1541
1542	if (!ice_vc_isvalid_q_id(vsi, qid: vsi_q_id))
1543	return VIRTCHNL_STATUS_ERR_PARAM;
1544
1545	q_vector->num_ring_tx++;
1546	q_vector->tx.itr_idx = map->txitr_idx;
1547	vsi->tx_rings[vsi_q_id]->q_vector = q_vector;
1548	ice_cfg_txq_interrupt(vsi, txq: vsi_q_id, msix_idx: vector_id,
1549	itr_idx: q_vector->tx.itr_idx);
1550	}
1551
1552	return VIRTCHNL_STATUS_SUCCESS;
1553	}
1554
1555	/**
1556	* ice_vc_cfg_irq_map_msg
1557	* @vf: pointer to the VF info
1558	* @msg: pointer to the msg buffer
1559	*
1560	* called from the VF to configure the IRQ to queue map
1561	*/
1562	static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg)
1563	{
1564	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
1565	u16 num_q_vectors_mapped, vsi_id, vector_id;
1566	struct virtchnl_irq_map_info *irqmap_info;
1567	struct virtchnl_vector_map *map;
1568	struct ice_vsi *vsi;
1569	int i;
1570
1571	irqmap_info = (struct virtchnl_irq_map_info *)msg;
1572	num_q_vectors_mapped = irqmap_info->num_vectors;
1573
1574	/* Check to make sure number of VF vectors mapped is not greater than
1575	* number of VF vectors originally allocated, and check that
1576	* there is actually at least a single VF queue vector mapped
1577	*/
1578	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
1579	vf->num_msix < num_q_vectors_mapped ||
1580	!num_q_vectors_mapped) {
1581	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1582	goto error_param;
1583	}
1584
1585	vsi = ice_get_vf_vsi(vf);
1586	if (!vsi) {
1587	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1588	goto error_param;
1589	}
1590
1591	for (i = 0; i < num_q_vectors_mapped; i++) {
1592	struct ice_q_vector *q_vector;
1593
1594	map = &irqmap_info->vecmap[i];
1595
1596	vector_id = map->vector_id;
1597	vsi_id = map->vsi_id;
1598	/* vector_id is always 0-based for each VF, and can never be
1599	* larger than or equal to the max allowed interrupts per VF
1600	*/
1601	if (!(vector_id < vf->num_msix) ||
1602	!ice_vc_isvalid_vsi_id(vf, vsi_id) ||
1603	(!vector_id && (map->rxq_map || map->txq_map))) {
1604	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1605	goto error_param;
1606	}
1607
1608	/* No need to map VF miscellaneous or rogue vector */
1609	if (!vector_id)
1610	continue;
1611
1612	/* Subtract non queue vector from vector_id passed by VF
1613	* to get actual number of VSI queue vector array index
1614	*/
1615	q_vector = vsi->q_vectors[vector_id - ICE_NONQ_VECS_VF];
1616	if (!q_vector) {
1617	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
1618	goto error_param;
1619	}
1620
1621	/* lookout for the invalid queue index */
1622	v_ret = (enum virtchnl_status_code)
1623	ice_cfg_interrupt(vf, vsi, vector_id, map, q_vector);
1624	if (v_ret)
1625	goto error_param;
1626	}
1627
1628	error_param:
1629	/* send the response to the VF */
1630	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_IRQ_MAP, v_retval: v_ret,
1631	NULL, msglen: 0);
1632	}
1633
1634	/**
1635	* ice_vc_cfg_qs_msg
1636	* @vf: pointer to the VF info
1637	* @msg: pointer to the msg buffer
1638	*
1639	* called from the VF to configure the Rx/Tx queues
1640	*/
1641	static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
1642	{
1643	struct virtchnl_vsi_queue_config_info *qci =
1644	(struct virtchnl_vsi_queue_config_info *)msg;
1645	struct virtchnl_queue_pair_info *qpi;
1646	struct ice_pf *pf = vf->pf;
1647	struct ice_lag *lag;
1648	struct ice_vsi *vsi;
1649	u8 act_prt, pri_prt;
1650	int i = -1, q_idx;
1651
1652	lag = pf->lag;
1653	mutex_lock(&pf->lag_mutex);
1654	act_prt = ICE_LAG_INVALID_PORT;
1655	pri_prt = pf->hw.port_info->lport;
1656	if (lag && lag->bonded && lag->primary) {
1657	act_prt = lag->active_port;
1658	if (act_prt != pri_prt && act_prt != ICE_LAG_INVALID_PORT &&
1659	lag->upper_netdev)
1660	ice_lag_move_vf_nodes_cfg(lag, src_prt: act_prt, dst_prt: pri_prt);
1661	else
1662	act_prt = ICE_LAG_INVALID_PORT;
1663	}
1664
1665	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
1666	goto error_param;
1667
1668	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: qci->vsi_id))
1669	goto error_param;
1670
1671	vsi = ice_get_vf_vsi(vf);
1672	if (!vsi)
1673	goto error_param;
1674
1675	if (qci->num_queue_pairs > ICE_MAX_RSS_QS_PER_VF ||
1676	qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) {
1677	dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n",
1678	vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq));
1679	goto error_param;
1680	}
1681
1682	for (i = 0; i < qci->num_queue_pairs; i++) {
1683	if (!qci->qpair[i].rxq.crc_disable)
1684	continue;
1685
1686	if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_CRC) ||
1687	vf->vlan_strip_ena)
1688	goto error_param;
1689	}
1690
1691	for (i = 0; i < qci->num_queue_pairs; i++) {
1692	qpi = &qci->qpair[i];
1693	if (qpi->txq.vsi_id != qci->vsi_id ||
1694	qpi->rxq.vsi_id != qci->vsi_id ||
1695	qpi->rxq.queue_id != qpi->txq.queue_id ||
1696	qpi->txq.headwb_enabled ||
1697	!ice_vc_isvalid_ring_len(ring_len: qpi->txq.ring_len) ||
1698	!ice_vc_isvalid_ring_len(ring_len: qpi->rxq.ring_len) ||
1699	!ice_vc_isvalid_q_id(vsi, qid: qpi->txq.queue_id)) {
1700	goto error_param;
1701	}
1702
1703	q_idx = qpi->rxq.queue_id;
1704
1705	/* make sure selected "q_idx" is in valid range of queues
1706	* for selected "vsi"
1707	*/
1708	if (q_idx >= vsi->alloc_txq || q_idx >= vsi->alloc_rxq) {
1709	goto error_param;
1710	}
1711
1712	/* copy Tx queue info from VF into VSI */
1713	if (qpi->txq.ring_len > 0) {
1714	vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr;
1715	vsi->tx_rings[i]->count = qpi->txq.ring_len;
1716
1717	/* Disable any existing queue first */
1718	if (ice_vf_vsi_dis_single_txq(vf, vsi, q_id: q_idx))
1719	goto error_param;
1720
1721	/* Configure a queue with the requested settings */
1722	if (ice_vsi_cfg_single_txq(vsi, tx_rings: vsi->tx_rings, q_idx)) {
1723	dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure TX queue %d\n",
1724	vf->vf_id, i);
1725	goto error_param;
1726	}
1727	}
1728
1729	/* copy Rx queue info from VF into VSI */
1730	if (qpi->rxq.ring_len > 0) {
1731	u16 max_frame_size = ice_vc_get_max_frame_size(vf);
1732	u32 rxdid;
1733
1734	vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;
1735	vsi->rx_rings[i]->count = qpi->rxq.ring_len;
1736
1737	if (qpi->rxq.crc_disable)
1738	vsi->rx_rings[q_idx]->flags |=
1739	ICE_RX_FLAGS_CRC_STRIP_DIS;
1740	else
1741	vsi->rx_rings[q_idx]->flags &=
1742	~ICE_RX_FLAGS_CRC_STRIP_DIS;
1743
1744	if (qpi->rxq.databuffer_size != 0 &&
1745	(qpi->rxq.databuffer_size > ((16 * 1024) - 128) ||
1746	qpi->rxq.databuffer_size < 1024))
1747	goto error_param;
1748	vsi->rx_buf_len = qpi->rxq.databuffer_size;
1749	vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len;
1750	if (qpi->rxq.max_pkt_size > max_frame_size ||
1751	qpi->rxq.max_pkt_size < 64)
1752	goto error_param;
1753
1754	vsi->max_frame = qpi->rxq.max_pkt_size;
1755	/* add space for the port VLAN since the VF driver is
1756	* not expected to account for it in the MTU
1757	* calculation
1758	*/
1759	if (ice_vf_is_port_vlan_ena(vf))
1760	vsi->max_frame += VLAN_HLEN;
1761
1762	if (ice_vsi_cfg_single_rxq(vsi, q_idx)) {
1763	dev_warn(ice_pf_to_dev(pf), "VF-%d failed to configure RX queue %d\n",
1764	vf->vf_id, i);
1765	goto error_param;
1766	}
1767
1768	/* If Rx flex desc is supported, select RXDID for Rx
1769	* queues. Otherwise, use legacy 32byte descriptor
1770	* format. Legacy 16byte descriptor is not supported.
1771	* If this RXDID is selected, return error.
1772	*/
1773	if (vf->driver_caps &
1774	VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1775	rxdid = qpi->rxq.rxdid;
1776	if (!(BIT(rxdid) & pf->supported_rxdids))
1777	goto error_param;
1778	} else {
1779	rxdid = ICE_RXDID_LEGACY_1;
1780	}
1781
1782	ice_write_qrxflxp_cntxt(hw: &vsi->back->hw,
1783	pf_q: vsi->rxq_map[q_idx],
1784	rxdid, prio: 0x03, ena_ts: false);
1785	}
1786	}
1787
1788	if (lag && lag->bonded && lag->primary &&
1789	act_prt != ICE_LAG_INVALID_PORT)
1790	ice_lag_move_vf_nodes_cfg(lag, src_prt: pri_prt, dst_prt: act_prt);
1791	mutex_unlock(lock: &pf->lag_mutex);
1792
1793	/* send the response to the VF */
1794	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1795	v_retval: VIRTCHNL_STATUS_SUCCESS, NULL, msglen: 0);
1796	error_param:
1797	/* disable whatever we can */
1798	for (; i >= 0; i--) {
1799	if (ice_vsi_ctrl_one_rx_ring(vsi, ena: false, rxq_idx: i, wait: true))
1800	dev_err(ice_pf_to_dev(pf), "VF-%d could not disable RX queue %d\n",
1801	vf->vf_id, i);
1802	if (ice_vf_vsi_dis_single_txq(vf, vsi, q_id: i))
1803	dev_err(ice_pf_to_dev(pf), "VF-%d could not disable TX queue %d\n",
1804	vf->vf_id, i);
1805	}
1806
1807	if (lag && lag->bonded && lag->primary &&
1808	act_prt != ICE_LAG_INVALID_PORT)
1809	ice_lag_move_vf_nodes_cfg(lag, src_prt: pri_prt, dst_prt: act_prt);
1810	mutex_unlock(lock: &pf->lag_mutex);
1811
1812	ice_lag_move_new_vf_nodes(vf);
1813
1814	/* send the response to the VF */
1815	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1816	v_retval: VIRTCHNL_STATUS_ERR_PARAM, NULL, msglen: 0);
1817	}
1818
1819	/**
1820	* ice_can_vf_change_mac
1821	* @vf: pointer to the VF info
1822	*
1823	* Return true if the VF is allowed to change its MAC filters, false otherwise
1824	*/
1825	static bool ice_can_vf_change_mac(struct ice_vf *vf)
1826	{
1827	/* If the VF MAC address has been set administratively (via the
1828	* ndo_set_vf_mac command), then deny permission to the VF to
1829	* add/delete unicast MAC addresses, unless the VF is trusted
1830	*/
1831	if (vf->pf_set_mac && !ice_is_vf_trusted(vf))
1832	return false;
1833
1834	return true;
1835	}
1836
1837	/**
1838	* ice_vc_ether_addr_type - get type of virtchnl_ether_addr
1839	* @vc_ether_addr: used to extract the type
1840	*/
1841	static u8
1842	ice_vc_ether_addr_type(struct virtchnl_ether_addr *vc_ether_addr)
1843	{
1844	return (vc_ether_addr->type & VIRTCHNL_ETHER_ADDR_TYPE_MASK);
1845	}
1846
1847	/**
1848	* ice_is_vc_addr_legacy - check if the MAC address is from an older VF
1849	* @vc_ether_addr: VIRTCHNL structure that contains MAC and type
1850	*/
1851	static bool
1852	ice_is_vc_addr_legacy(struct virtchnl_ether_addr *vc_ether_addr)
1853	{
1854	u8 type = ice_vc_ether_addr_type(vc_ether_addr);
1855
1856	return (type == VIRTCHNL_ETHER_ADDR_LEGACY);
1857	}
1858
1859	/**
1860	* ice_is_vc_addr_primary - check if the MAC address is the VF's primary MAC
1861	* @vc_ether_addr: VIRTCHNL structure that contains MAC and type
1862	*
1863	* This function should only be called when the MAC address in
1864	* virtchnl_ether_addr is a valid unicast MAC
1865	*/
1866	static bool
1867	ice_is_vc_addr_primary(struct virtchnl_ether_addr __maybe_unused *vc_ether_addr)
1868	{
1869	u8 type = ice_vc_ether_addr_type(vc_ether_addr);
1870
1871	return (type == VIRTCHNL_ETHER_ADDR_PRIMARY);
1872	}
1873
1874	/**
1875	* ice_vfhw_mac_add - update the VF's cached hardware MAC if allowed
1876	* @vf: VF to update
1877	* @vc_ether_addr: structure from VIRTCHNL with MAC to add
1878	*/
1879	static void
1880	ice_vfhw_mac_add(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr)
1881	{
1882	u8 *mac_addr = vc_ether_addr->addr;
1883
1884	if (!is_valid_ether_addr(addr: mac_addr))
1885	return;
1886
1887	/* only allow legacy VF drivers to set the device and hardware MAC if it
1888	* is zero and allow new VF drivers to set the hardware MAC if the type
1889	* was correctly specified over VIRTCHNL
1890	*/
1891	if ((ice_is_vc_addr_legacy(vc_ether_addr) &&
1892	is_zero_ether_addr(addr: vf->hw_lan_addr)) ||
1893	ice_is_vc_addr_primary(vc_ether_addr)) {
1894	ether_addr_copy(dst: vf->dev_lan_addr, src: mac_addr);
1895	ether_addr_copy(dst: vf->hw_lan_addr, src: mac_addr);
1896	}
1897
1898	/* hardware and device MACs are already set, but its possible that the
1899	* VF driver sent the VIRTCHNL_OP_ADD_ETH_ADDR message before the
1900	* VIRTCHNL_OP_DEL_ETH_ADDR when trying to update its MAC, so save it
1901	* away for the legacy VF driver case as it will be updated in the
1902	* delete flow for this case
1903	*/
1904	if (ice_is_vc_addr_legacy(vc_ether_addr)) {
1905	ether_addr_copy(dst: vf->legacy_last_added_umac.addr,
1906	src: mac_addr);
1907	vf->legacy_last_added_umac.time_modified = jiffies;
1908	}
1909	}
1910
1911	/**
1912	* ice_vc_add_mac_addr - attempt to add the MAC address passed in
1913	* @vf: pointer to the VF info
1914	* @vsi: pointer to the VF's VSI
1915	* @vc_ether_addr: VIRTCHNL MAC address structure used to add MAC
1916	*/
1917	static int
1918	ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,
1919	struct virtchnl_ether_addr *vc_ether_addr)
1920	{
1921	struct device *dev = ice_pf_to_dev(vf->pf);
1922	u8 *mac_addr = vc_ether_addr->addr;
1923	int ret;
1924
1925	/* device MAC already added */
1926	if (ether_addr_equal(addr1: mac_addr, addr2: vf->dev_lan_addr))
1927	return 0;
1928
1929	if (is_unicast_ether_addr(addr: mac_addr) && !ice_can_vf_change_mac(vf)) {
1930	dev_err(dev, "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n");
1931	return -EPERM;
1932	}
1933
1934	ret = ice_fltr_add_mac(vsi, mac: mac_addr, action: ICE_FWD_TO_VSI);
1935	if (ret == -EEXIST) {
1936	dev_dbg(dev, "MAC %pM already exists for VF %d\n", mac_addr,
1937	vf->vf_id);
1938	/* don't return since we might need to update
1939	* the primary MAC in ice_vfhw_mac_add() below
1940	*/
1941	} else if (ret) {
1942	dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n",
1943	mac_addr, vf->vf_id, ret);
1944	return ret;
1945	} else {
1946	vf->num_mac++;
1947	}
1948
1949	ice_vfhw_mac_add(vf, vc_ether_addr);
1950
1951	return ret;
1952	}
1953
1954	/**
1955	* ice_is_legacy_umac_expired - check if last added legacy unicast MAC expired
1956	* @last_added_umac: structure used to check expiration
1957	*/
1958	static bool ice_is_legacy_umac_expired(struct ice_time_mac *last_added_umac)
1959	{
1960	#define ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME msecs_to_jiffies(3000)
1961	return time_is_before_jiffies(last_added_umac->time_modified +
1962	ICE_LEGACY_VF_MAC_CHANGE_EXPIRE_TIME);
1963	}
1964
1965	/**
1966	* ice_update_legacy_cached_mac - update cached hardware MAC for legacy VF
1967	* @vf: VF to update
1968	* @vc_ether_addr: structure from VIRTCHNL with MAC to check
1969	*
1970	* only update cached hardware MAC for legacy VF drivers on delete
1971	* because we cannot guarantee order/type of MAC from the VF driver
1972	*/
1973	static void
1974	ice_update_legacy_cached_mac(struct ice_vf *vf,
1975	struct virtchnl_ether_addr *vc_ether_addr)
1976	{
1977	if (!ice_is_vc_addr_legacy(vc_ether_addr) ||
1978	ice_is_legacy_umac_expired(last_added_umac: &vf->legacy_last_added_umac))
1979	return;
1980
1981	ether_addr_copy(dst: vf->dev_lan_addr, src: vf->legacy_last_added_umac.addr);
1982	ether_addr_copy(dst: vf->hw_lan_addr, src: vf->legacy_last_added_umac.addr);
1983	}
1984
1985	/**
1986	* ice_vfhw_mac_del - update the VF's cached hardware MAC if allowed
1987	* @vf: VF to update
1988	* @vc_ether_addr: structure from VIRTCHNL with MAC to delete
1989	*/
1990	static void
1991	ice_vfhw_mac_del(struct ice_vf *vf, struct virtchnl_ether_addr *vc_ether_addr)
1992	{
1993	u8 *mac_addr = vc_ether_addr->addr;
1994
1995	if (!is_valid_ether_addr(addr: mac_addr) ||
1996	!ether_addr_equal(addr1: vf->dev_lan_addr, addr2: mac_addr))
1997	return;
1998
1999	/* allow the device MAC to be repopulated in the add flow and don't
2000	* clear the hardware MAC (i.e. hw_lan_addr) here as that is meant
2001	* to be persistent on VM reboot and across driver unload/load, which
2002	* won't work if we clear the hardware MAC here
2003	*/
2004	eth_zero_addr(addr: vf->dev_lan_addr);
2005
2006	ice_update_legacy_cached_mac(vf, vc_ether_addr);
2007	}
2008
2009	/**
2010	* ice_vc_del_mac_addr - attempt to delete the MAC address passed in
2011	* @vf: pointer to the VF info
2012	* @vsi: pointer to the VF's VSI
2013	* @vc_ether_addr: VIRTCHNL MAC address structure used to delete MAC
2014	*/
2015	static int
2016	ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi,
2017	struct virtchnl_ether_addr *vc_ether_addr)
2018	{
2019	struct device *dev = ice_pf_to_dev(vf->pf);
2020	u8 *mac_addr = vc_ether_addr->addr;
2021	int status;
2022
2023	if (!ice_can_vf_change_mac(vf) &&
2024	ether_addr_equal(addr1: vf->dev_lan_addr, addr2: mac_addr))
2025	return 0;
2026
2027	status = ice_fltr_remove_mac(vsi, mac: mac_addr, action: ICE_FWD_TO_VSI);
2028	if (status == -ENOENT) {
2029	dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr,
2030	vf->vf_id);
2031	return -ENOENT;
2032	} else if (status) {
2033	dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n",
2034	mac_addr, vf->vf_id, status);
2035	return -EIO;
2036	}
2037
2038	ice_vfhw_mac_del(vf, vc_ether_addr);
2039
2040	vf->num_mac--;
2041
2042	return 0;
2043	}
2044
2045	/**
2046	* ice_vc_handle_mac_addr_msg
2047	* @vf: pointer to the VF info
2048	* @msg: pointer to the msg buffer
2049	* @set: true if MAC filters are being set, false otherwise
2050	*
2051	* add guest MAC address filter
2052	*/
2053	static int
2054	ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set)
2055	{
2056	int (*ice_vc_cfg_mac)
2057	(struct ice_vf *vf, struct ice_vsi *vsi,
2058	struct virtchnl_ether_addr *virtchnl_ether_addr);
2059	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2060	struct virtchnl_ether_addr_list *al =
2061	(struct virtchnl_ether_addr_list *)msg;
2062	struct ice_pf *pf = vf->pf;
2063	enum virtchnl_ops vc_op;
2064	struct ice_vsi *vsi;
2065	int i;
2066
2067	if (set) {
2068	vc_op = VIRTCHNL_OP_ADD_ETH_ADDR;
2069	ice_vc_cfg_mac = ice_vc_add_mac_addr;
2070	} else {
2071	vc_op = VIRTCHNL_OP_DEL_ETH_ADDR;
2072	ice_vc_cfg_mac = ice_vc_del_mac_addr;
2073	}
2074
2075	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
2076	!ice_vc_isvalid_vsi_id(vf, vsi_id: al->vsi_id)) {
2077	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2078	goto handle_mac_exit;
2079	}
2080
2081	/* If this VF is not privileged, then we can't add more than a
2082	* limited number of addresses. Check to make sure that the
2083	* additions do not push us over the limit.
2084	*/
2085	if (set && !ice_is_vf_trusted(vf) &&
2086	(vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) {
2087	dev_err(ice_pf_to_dev(pf), "Can't add more MAC addresses, because VF-%d is not trusted, switch the VF to trusted mode in order to add more functionalities\n",
2088	vf->vf_id);
2089	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2090	goto handle_mac_exit;
2091	}
2092
2093	vsi = ice_get_vf_vsi(vf);
2094	if (!vsi) {
2095	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2096	goto handle_mac_exit;
2097	}
2098
2099	for (i = 0; i < al->num_elements; i++) {
2100	u8 *mac_addr = al->list[i].addr;
2101	int result;
2102
2103	if (is_broadcast_ether_addr(addr: mac_addr) ||
2104	is_zero_ether_addr(addr: mac_addr))
2105	continue;
2106
2107	result = ice_vc_cfg_mac(vf, vsi, &al->list[i]);
2108	if (result == -EEXIST || result == -ENOENT) {
2109	continue;
2110	} else if (result) {
2111	v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
2112	goto handle_mac_exit;
2113	}
2114	}
2115
2116	handle_mac_exit:
2117	/* send the response to the VF */
2118	return ice_vc_send_msg_to_vf(vf, v_opcode: vc_op, v_retval: v_ret, NULL, msglen: 0);
2119	}
2120
2121	/**
2122	* ice_vc_add_mac_addr_msg
2123	* @vf: pointer to the VF info
2124	* @msg: pointer to the msg buffer
2125	*
2126	* add guest MAC address filter
2127	*/
2128	static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg)
2129	{
2130	return ice_vc_handle_mac_addr_msg(vf, msg, set: true);
2131	}
2132
2133	/**
2134	* ice_vc_del_mac_addr_msg
2135	* @vf: pointer to the VF info
2136	* @msg: pointer to the msg buffer
2137	*
2138	* remove guest MAC address filter
2139	*/
2140	static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg)
2141	{
2142	return ice_vc_handle_mac_addr_msg(vf, msg, set: false);
2143	}
2144
2145	/**
2146	* ice_vc_request_qs_msg
2147	* @vf: pointer to the VF info
2148	* @msg: pointer to the msg buffer
2149	*
2150	* VFs get a default number of queues but can use this message to request a
2151	* different number. If the request is successful, PF will reset the VF and
2152	* return 0. If unsuccessful, PF will send message informing VF of number of
2153	* available queue pairs via virtchnl message response to VF.
2154	*/
2155	static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg)
2156	{
2157	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2158	struct virtchnl_vf_res_request *vfres =
2159	(struct virtchnl_vf_res_request *)msg;
2160	u16 req_queues = vfres->num_queue_pairs;
2161	struct ice_pf *pf = vf->pf;
2162	u16 max_allowed_vf_queues;
2163	u16 tx_rx_queue_left;
2164	struct device *dev;
2165	u16 cur_queues;
2166
2167	dev = ice_pf_to_dev(pf);
2168	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2169	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2170	goto error_param;
2171	}
2172
2173	cur_queues = vf->num_vf_qs;
2174	tx_rx_queue_left = min_t(u16, ice_get_avail_txq_count(pf),
2175	ice_get_avail_rxq_count(pf));
2176	max_allowed_vf_queues = tx_rx_queue_left + cur_queues;
2177	if (!req_queues) {
2178	dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n",
2179	vf->vf_id);
2180	} else if (req_queues > ICE_MAX_RSS_QS_PER_VF) {
2181	dev_err(dev, "VF %d tried to request more than %d queues.\n",
2182	vf->vf_id, ICE_MAX_RSS_QS_PER_VF);
2183	vfres->num_queue_pairs = ICE_MAX_RSS_QS_PER_VF;
2184	} else if (req_queues > cur_queues &&
2185	req_queues - cur_queues > tx_rx_queue_left) {
2186	dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n",
2187	vf->vf_id, req_queues - cur_queues, tx_rx_queue_left);
2188	vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues,
2189	ICE_MAX_RSS_QS_PER_VF);
2190	} else {
2191	/* request is successful, then reset VF */
2192	vf->num_req_qs = req_queues;
2193	ice_reset_vf(vf, flags: ICE_VF_RESET_NOTIFY);
2194	dev_info(dev, "VF %d granted request of %u queues.\n",
2195	vf->vf_id, req_queues);
2196	return 0;
2197	}
2198
2199	error_param:
2200	/* send the response to the VF */
2201	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_REQUEST_QUEUES,
2202	v_retval: v_ret, msg: (u8 *)vfres, msglen: sizeof(*vfres));
2203	}
2204
2205	/**
2206	* ice_vf_vlan_offload_ena - determine if capabilities support VLAN offloads
2207	* @caps: VF driver negotiated capabilities
2208	*
2209	* Return true if VIRTCHNL_VF_OFFLOAD_VLAN capability is set, else return false
2210	*/
2211	static bool ice_vf_vlan_offload_ena(u32 caps)
2212	{
2213	return !!(caps & VIRTCHNL_VF_OFFLOAD_VLAN);
2214	}
2215
2216	/**
2217	* ice_is_vlan_promisc_allowed - check if VLAN promiscuous config is allowed
2218	* @vf: VF used to determine if VLAN promiscuous config is allowed
2219	*/
2220	static bool ice_is_vlan_promisc_allowed(struct ice_vf *vf)
2221	{
2222	if ((test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
2223	test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) &&
2224	test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, vf->pf->flags))
2225	return true;
2226
2227	return false;
2228	}
2229
2230	/**
2231	* ice_vf_ena_vlan_promisc - Enable Tx/Rx VLAN promiscuous for the VLAN
2232	* @vsi: VF's VSI used to enable VLAN promiscuous mode
2233	* @vlan: VLAN used to enable VLAN promiscuous
2234	*
2235	* This function should only be called if VLAN promiscuous mode is allowed,
2236	* which can be determined via ice_is_vlan_promisc_allowed().
2237	*/
2238	static int ice_vf_ena_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan)
2239	{
2240	u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX;
2241	int status;
2242
2243	status = ice_fltr_set_vsi_promisc(hw: &vsi->back->hw, vsi_handle: vsi->idx, promisc_mask: promisc_m,
2244	vid: vlan->vid);
2245	if (status && status != -EEXIST)
2246	return status;
2247
2248	return 0;
2249	}
2250
2251	/**
2252	* ice_vf_dis_vlan_promisc - Disable Tx/Rx VLAN promiscuous for the VLAN
2253	* @vsi: VF's VSI used to disable VLAN promiscuous mode for
2254	* @vlan: VLAN used to disable VLAN promiscuous
2255	*
2256	* This function should only be called if VLAN promiscuous mode is allowed,
2257	* which can be determined via ice_is_vlan_promisc_allowed().
2258	*/
2259	static int ice_vf_dis_vlan_promisc(struct ice_vsi *vsi, struct ice_vlan *vlan)
2260	{
2261	u8 promisc_m = ICE_PROMISC_VLAN_TX | ICE_PROMISC_VLAN_RX;
2262	int status;
2263
2264	status = ice_fltr_clear_vsi_promisc(hw: &vsi->back->hw, vsi_handle: vsi->idx, promisc_mask: promisc_m,
2265	vid: vlan->vid);
2266	if (status && status != -ENOENT)
2267	return status;
2268
2269	return 0;
2270	}
2271
2272	/**
2273	* ice_vf_has_max_vlans - check if VF already has the max allowed VLAN filters
2274	* @vf: VF to check against
2275	* @vsi: VF's VSI
2276	*
2277	* If the VF is trusted then the VF is allowed to add as many VLANs as it
2278	* wants to, so return false.
2279	*
2280	* When the VF is untrusted compare the number of non-zero VLANs + 1 to the max
2281	* allowed VLANs for an untrusted VF. Return the result of this comparison.
2282	*/
2283	static bool ice_vf_has_max_vlans(struct ice_vf *vf, struct ice_vsi *vsi)
2284	{
2285	if (ice_is_vf_trusted(vf))
2286	return false;
2287
2288	#define ICE_VF_ADDED_VLAN_ZERO_FLTRS 1
2289	return ((ice_vsi_num_non_zero_vlans(vsi) +
2290	ICE_VF_ADDED_VLAN_ZERO_FLTRS) >= ICE_MAX_VLAN_PER_VF);
2291	}
2292
2293	/**
2294	* ice_vc_process_vlan_msg
2295	* @vf: pointer to the VF info
2296	* @msg: pointer to the msg buffer
2297	* @add_v: Add VLAN if true, otherwise delete VLAN
2298	*
2299	* Process virtchnl op to add or remove programmed guest VLAN ID
2300	*/
2301	static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
2302	{
2303	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2304	struct virtchnl_vlan_filter_list *vfl =
2305	(struct virtchnl_vlan_filter_list *)msg;
2306	struct ice_pf *pf = vf->pf;
2307	bool vlan_promisc = false;
2308	struct ice_vsi *vsi;
2309	struct device *dev;
2310	int status = 0;
2311	int i;
2312
2313	dev = ice_pf_to_dev(pf);
2314	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2315	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2316	goto error_param;
2317	}
2318
2319	if (!ice_vf_vlan_offload_ena(caps: vf->driver_caps)) {
2320	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2321	goto error_param;
2322	}
2323
2324	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vfl->vsi_id)) {
2325	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2326	goto error_param;
2327	}
2328
2329	for (i = 0; i < vfl->num_elements; i++) {
2330	if (vfl->vlan_id[i] >= VLAN_N_VID) {
2331	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2332	dev_err(dev, "invalid VF VLAN id %d\n",
2333	vfl->vlan_id[i]);
2334	goto error_param;
2335	}
2336	}
2337
2338	vsi = ice_get_vf_vsi(vf);
2339	if (!vsi) {
2340	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2341	goto error_param;
2342	}
2343
2344	if (add_v && ice_vf_has_max_vlans(vf, vsi)) {
2345	dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",
2346	vf->vf_id);
2347	/* There is no need to let VF know about being not trusted,
2348	* so we can just return success message here
2349	*/
2350	goto error_param;
2351	}
2352
2353	/* in DVM a VF can add/delete inner VLAN filters when
2354	* VIRTCHNL_VF_OFFLOAD_VLAN is negotiated, so only reject in SVM
2355	*/
2356	if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(hw: &pf->hw)) {
2357	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2358	goto error_param;
2359	}
2360
2361	/* in DVM VLAN promiscuous is based on the outer VLAN, which would be
2362	* the port VLAN if VIRTCHNL_VF_OFFLOAD_VLAN was negotiated, so only
2363	* allow vlan_promisc = true in SVM and if no port VLAN is configured
2364	*/
2365	vlan_promisc = ice_is_vlan_promisc_allowed(vf) &&
2366	!ice_is_dvm_ena(hw: &pf->hw) &&
2367	!ice_vf_is_port_vlan_ena(vf);
2368
2369	if (add_v) {
2370	for (i = 0; i < vfl->num_elements; i++) {
2371	u16 vid = vfl->vlan_id[i];
2372	struct ice_vlan vlan;
2373
2374	if (ice_vf_has_max_vlans(vf, vsi)) {
2375	dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n",
2376	vf->vf_id);
2377	/* There is no need to let VF know about being
2378	* not trusted, so we can just return success
2379	* message here as well.
2380	*/
2381	goto error_param;
2382	}
2383
2384	/* we add VLAN 0 by default for each VF so we can enable
2385	* Tx VLAN anti-spoof without triggering MDD events so
2386	* we don't need to add it again here
2387	*/
2388	if (!vid)
2389	continue;
2390
2391	vlan = ICE_VLAN(ETH_P_8021Q, vid, 0);
2392	status = vsi->inner_vlan_ops.add_vlan(vsi, &vlan);
2393	if (status) {
2394	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2395	goto error_param;
2396	}
2397
2398	/* Enable VLAN filtering on first non-zero VLAN */
2399	if (!vlan_promisc && vid && !ice_is_dvm_ena(hw: &pf->hw)) {
2400	if (vf->spoofchk) {
2401	status = vsi->inner_vlan_ops.ena_tx_filtering(vsi);
2402	if (status) {
2403	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2404	dev_err(dev, "Enable VLAN anti-spoofing on VLAN ID: %d failed error-%d\n",
2405	vid, status);
2406	goto error_param;
2407	}
2408	}
2409	if (vsi->inner_vlan_ops.ena_rx_filtering(vsi)) {
2410	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2411	dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n",
2412	vid, status);
2413	goto error_param;
2414	}
2415	} else if (vlan_promisc) {
2416	status = ice_vf_ena_vlan_promisc(vsi, vlan: &vlan);
2417	if (status) {
2418	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2419	dev_err(dev, "Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n",
2420	vid, status);
2421	}
2422	}
2423	}
2424	} else {
2425	/* In case of non_trusted VF, number of VLAN elements passed
2426	* to PF for removal might be greater than number of VLANs
2427	* filter programmed for that VF - So, use actual number of
2428	* VLANS added earlier with add VLAN opcode. In order to avoid
2429	* removing VLAN that doesn't exist, which result to sending
2430	* erroneous failed message back to the VF
2431	*/
2432	int num_vf_vlan;
2433
2434	num_vf_vlan = vsi->num_vlan;
2435	for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) {
2436	u16 vid = vfl->vlan_id[i];
2437	struct ice_vlan vlan;
2438
2439	/* we add VLAN 0 by default for each VF so we can enable
2440	* Tx VLAN anti-spoof without triggering MDD events so
2441	* we don't want a VIRTCHNL request to remove it
2442	*/
2443	if (!vid)
2444	continue;
2445
2446	vlan = ICE_VLAN(ETH_P_8021Q, vid, 0);
2447	status = vsi->inner_vlan_ops.del_vlan(vsi, &vlan);
2448	if (status) {
2449	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2450	goto error_param;
2451	}
2452
2453	/* Disable VLAN filtering when only VLAN 0 is left */
2454	if (!ice_vsi_has_non_zero_vlans(vsi)) {
2455	vsi->inner_vlan_ops.dis_tx_filtering(vsi);
2456	vsi->inner_vlan_ops.dis_rx_filtering(vsi);
2457	}
2458
2459	if (vlan_promisc)
2460	ice_vf_dis_vlan_promisc(vsi, vlan: &vlan);
2461	}
2462	}
2463
2464	error_param:
2465	/* send the response to the VF */
2466	if (add_v)
2467	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ADD_VLAN, v_retval: v_ret,
2468	NULL, msglen: 0);
2469	else
2470	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DEL_VLAN, v_retval: v_ret,
2471	NULL, msglen: 0);
2472	}
2473
2474	/**
2475	* ice_vc_add_vlan_msg
2476	* @vf: pointer to the VF info
2477	* @msg: pointer to the msg buffer
2478	*
2479	* Add and program guest VLAN ID
2480	*/
2481	static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg)
2482	{
2483	return ice_vc_process_vlan_msg(vf, msg, add_v: true);
2484	}
2485
2486	/**
2487	* ice_vc_remove_vlan_msg
2488	* @vf: pointer to the VF info
2489	* @msg: pointer to the msg buffer
2490	*
2491	* remove programmed guest VLAN ID
2492	*/
2493	static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg)
2494	{
2495	return ice_vc_process_vlan_msg(vf, msg, add_v: false);
2496	}
2497
2498	/**
2499	* ice_vsi_is_rxq_crc_strip_dis - check if Rx queue CRC strip is disabled or not
2500	* @vsi: pointer to the VF VSI info
2501	*/
2502	static bool ice_vsi_is_rxq_crc_strip_dis(struct ice_vsi *vsi)
2503	{
2504	unsigned int i;
2505
2506	ice_for_each_alloc_rxq(vsi, i)
2507	if (vsi->rx_rings[i]->flags & ICE_RX_FLAGS_CRC_STRIP_DIS)
2508	return true;
2509
2510	return false;
2511	}
2512
2513	/**
2514	* ice_vc_ena_vlan_stripping
2515	* @vf: pointer to the VF info
2516	*
2517	* Enable VLAN header stripping for a given VF
2518	*/
2519	static int ice_vc_ena_vlan_stripping(struct ice_vf *vf)
2520	{
2521	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2522	struct ice_vsi *vsi;
2523
2524	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2525	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2526	goto error_param;
2527	}
2528
2529	if (!ice_vf_vlan_offload_ena(caps: vf->driver_caps)) {
2530	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2531	goto error_param;
2532	}
2533
2534	vsi = ice_get_vf_vsi(vf);
2535	if (!vsi) {
2536	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2537	goto error_param;
2538	}
2539
2540	if (vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q))
2541	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2542	else
2543	vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
2544
2545	error_param:
2546	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
2547	v_retval: v_ret, NULL, msglen: 0);
2548	}
2549
2550	/**
2551	* ice_vc_dis_vlan_stripping
2552	* @vf: pointer to the VF info
2553	*
2554	* Disable VLAN header stripping for a given VF
2555	*/
2556	static int ice_vc_dis_vlan_stripping(struct ice_vf *vf)
2557	{
2558	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2559	struct ice_vsi *vsi;
2560
2561	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2562	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2563	goto error_param;
2564	}
2565
2566	if (!ice_vf_vlan_offload_ena(caps: vf->driver_caps)) {
2567	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2568	goto error_param;
2569	}
2570
2571	vsi = ice_get_vf_vsi(vf);
2572	if (!vsi) {
2573	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2574	goto error_param;
2575	}
2576
2577	if (vsi->inner_vlan_ops.dis_stripping(vsi))
2578	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2579	else
2580	vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;
2581
2582	error_param:
2583	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
2584	v_retval: v_ret, NULL, msglen: 0);
2585	}
2586
2587	/**
2588	* ice_vc_get_rss_hena - return the RSS HENA bits allowed by the hardware
2589	* @vf: pointer to the VF info
2590	*/
2591	static int ice_vc_get_rss_hena(struct ice_vf *vf)
2592	{
2593	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2594	struct virtchnl_rss_hena *vrh = NULL;
2595	int len = 0, ret;
2596
2597	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2598	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2599	goto err;
2600	}
2601
2602	if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) {
2603	dev_err(ice_pf_to_dev(vf->pf), "RSS not supported by PF\n");
2604	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2605	goto err;
2606	}
2607
2608	len = sizeof(struct virtchnl_rss_hena);
2609	vrh = kzalloc(size: len, GFP_KERNEL);
2610	if (!vrh) {
2611	v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
2612	len = 0;
2613	goto err;
2614	}
2615
2616	vrh->hena = ICE_DEFAULT_RSS_HENA;
2617	err:
2618	/* send the response back to the VF */
2619	ret = ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_GET_RSS_HENA_CAPS, v_retval: v_ret,
2620	msg: (u8 *)vrh, msglen: len);
2621	kfree(objp: vrh);
2622	return ret;
2623	}
2624
2625	/**
2626	* ice_vc_set_rss_hena - set RSS HENA bits for the VF
2627	* @vf: pointer to the VF info
2628	* @msg: pointer to the msg buffer
2629	*/
2630	static int ice_vc_set_rss_hena(struct ice_vf *vf, u8 *msg)
2631	{
2632	struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg;
2633	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2634	struct ice_pf *pf = vf->pf;
2635	struct ice_vsi *vsi;
2636	struct device *dev;
2637	int status;
2638
2639	dev = ice_pf_to_dev(pf);
2640
2641	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2642	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2643	goto err;
2644	}
2645
2646	if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
2647	dev_err(dev, "RSS not supported by PF\n");
2648	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2649	goto err;
2650	}
2651
2652	vsi = ice_get_vf_vsi(vf);
2653	if (!vsi) {
2654	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2655	goto err;
2656	}
2657
2658	/* clear all previously programmed RSS configuration to allow VF drivers
2659	* the ability to customize the RSS configuration and/or completely
2660	* disable RSS
2661	*/
2662	status = ice_rem_vsi_rss_cfg(hw: &pf->hw, vsi_handle: vsi->idx);
2663	if (status && !vrh->hena) {
2664	/* only report failure to clear the current RSS configuration if
2665	* that was clearly the VF's intention (i.e. vrh->hena = 0)
2666	*/
2667	v_ret = ice_err_to_virt_err(err: status);
2668	goto err;
2669	} else if (status) {
2670	/* allow the VF to update the RSS configuration even on failure
2671	* to clear the current RSS confguration in an attempt to keep
2672	* RSS in a working state
2673	*/
2674	dev_warn(dev, "Failed to clear the RSS configuration for VF %u\n",
2675	vf->vf_id);
2676	}
2677
2678	if (vrh->hena) {
2679	status = ice_add_avf_rss_cfg(hw: &pf->hw, vsi, hashed_flds: vrh->hena);
2680	v_ret = ice_err_to_virt_err(err: status);
2681	}
2682
2683	/* send the response to the VF */
2684	err:
2685	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_SET_RSS_HENA, v_retval: v_ret,
2686	NULL, msglen: 0);
2687	}
2688
2689	/**
2690	* ice_vc_query_rxdid - query RXDID supported by DDP package
2691	* @vf: pointer to VF info
2692	*
2693	* Called from VF to query a bitmap of supported flexible
2694	* descriptor RXDIDs of a DDP package.
2695	*/
2696	static int ice_vc_query_rxdid(struct ice_vf *vf)
2697	{
2698	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2699	struct virtchnl_supported_rxdids *rxdid = NULL;
2700	struct ice_hw *hw = &vf->pf->hw;
2701	struct ice_pf *pf = vf->pf;
2702	int len = 0;
2703	int ret, i;
2704	u32 regval;
2705
2706	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2707	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2708	goto err;
2709	}
2710
2711	if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC)) {
2712	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2713	goto err;
2714	}
2715
2716	len = sizeof(struct virtchnl_supported_rxdids);
2717	rxdid = kzalloc(size: len, GFP_KERNEL);
2718	if (!rxdid) {
2719	v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
2720	len = 0;
2721	goto err;
2722	}
2723
2724	/* RXDIDs supported by DDP package can be read from the register
2725	* to get the supported RXDID bitmap. But the legacy 32byte RXDID
2726	* is not listed in DDP package, add it in the bitmap manually.
2727	* Legacy 16byte descriptor is not supported.
2728	*/
2729	rxdid->supported_rxdids |= BIT(ICE_RXDID_LEGACY_1);
2730
2731	for (i = ICE_RXDID_FLEX_NIC; i < ICE_FLEX_DESC_RXDID_MAX_NUM; i++) {
2732	regval = rd32(hw, GLFLXP_RXDID_FLAGS(i, 0));
2733	if ((regval >> GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_S)
2734	& GLFLXP_RXDID_FLAGS_FLEXIFLAG_4N_M)
2735	rxdid->supported_rxdids |= BIT(i);
2736	}
2737
2738	pf->supported_rxdids = rxdid->supported_rxdids;
2739
2740	err:
2741	ret = ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_GET_SUPPORTED_RXDIDS,
2742	v_retval: v_ret, msg: (u8 *)rxdid, msglen: len);
2743	kfree(objp: rxdid);
2744	return ret;
2745	}
2746
2747	/**
2748	* ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization
2749	* @vf: VF to enable/disable VLAN stripping for on initialization
2750	*
2751	* Set the default for VLAN stripping based on whether a port VLAN is configured
2752	* and the current VLAN mode of the device.
2753	*/
2754	static int ice_vf_init_vlan_stripping(struct ice_vf *vf)
2755	{
2756	struct ice_vsi *vsi = ice_get_vf_vsi(vf);
2757
2758	vf->vlan_strip_ena = 0;
2759
2760	if (!vsi)
2761	return -EINVAL;
2762
2763	/* don't modify stripping if port VLAN is configured in SVM since the
2764	* port VLAN is based on the inner/single VLAN in SVM
2765	*/
2766	if (ice_vf_is_port_vlan_ena(vf) && !ice_is_dvm_ena(hw: &vsi->back->hw))
2767	return 0;
2768
2769	if (ice_vf_vlan_offload_ena(caps: vf->driver_caps)) {
2770	int err;
2771
2772	err = vsi->inner_vlan_ops.ena_stripping(vsi, ETH_P_8021Q);
2773	if (!err)
2774	vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
2775	return err;
2776	}
2777
2778	return vsi->inner_vlan_ops.dis_stripping(vsi);
2779	}
2780
2781	static u16 ice_vc_get_max_vlan_fltrs(struct ice_vf *vf)
2782	{
2783	if (vf->trusted)
2784	return VLAN_N_VID;
2785	else
2786	return ICE_MAX_VLAN_PER_VF;
2787	}
2788
2789	/**
2790	* ice_vf_outer_vlan_not_allowed - check if outer VLAN can be used
2791	* @vf: VF that being checked for
2792	*
2793	* When the device is in double VLAN mode, check whether or not the outer VLAN
2794	* is allowed.
2795	*/
2796	static bool ice_vf_outer_vlan_not_allowed(struct ice_vf *vf)
2797	{
2798	if (ice_vf_is_port_vlan_ena(vf))
2799	return true;
2800
2801	return false;
2802	}
2803
2804	/**
2805	* ice_vc_set_dvm_caps - set VLAN capabilities when the device is in DVM
2806	* @vf: VF that capabilities are being set for
2807	* @caps: VLAN capabilities to populate
2808	*
2809	* Determine VLAN capabilities support based on whether a port VLAN is
2810	* configured. If a port VLAN is configured then the VF should use the inner
2811	* filtering/offload capabilities since the port VLAN is using the outer VLAN
2812	* capabilies.
2813	*/
2814	static void
2815	ice_vc_set_dvm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps)
2816	{
2817	struct virtchnl_vlan_supported_caps *supported_caps;
2818
2819	if (ice_vf_outer_vlan_not_allowed(vf)) {
2820	/* until support for inner VLAN filtering is added when a port
2821	* VLAN is configured, only support software offloaded inner
2822	* VLANs when a port VLAN is confgured in DVM
2823	*/
2824	supported_caps = &caps->filtering.filtering_support;
2825	supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;
2826
2827	supported_caps = &caps->offloads.stripping_support;
2828	supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2829	VIRTCHNL_VLAN_TOGGLE |
2830	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2831	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2832
2833	supported_caps = &caps->offloads.insertion_support;
2834	supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2835	VIRTCHNL_VLAN_TOGGLE |
2836	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2837	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2838
2839	caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;
2840	caps->offloads.ethertype_match =
2841	VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;
2842	} else {
2843	supported_caps = &caps->filtering.filtering_support;
2844	supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;
2845	supported_caps->outer = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2846	VIRTCHNL_VLAN_ETHERTYPE_88A8 |
2847	VIRTCHNL_VLAN_ETHERTYPE_9100 |
2848	VIRTCHNL_VLAN_ETHERTYPE_AND;
2849	caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2850	VIRTCHNL_VLAN_ETHERTYPE_88A8 |
2851	VIRTCHNL_VLAN_ETHERTYPE_9100;
2852
2853	supported_caps = &caps->offloads.stripping_support;
2854	supported_caps->inner = VIRTCHNL_VLAN_TOGGLE |
2855	VIRTCHNL_VLAN_ETHERTYPE_8100 |
2856	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2857	supported_caps->outer = VIRTCHNL_VLAN_TOGGLE |
2858	VIRTCHNL_VLAN_ETHERTYPE_8100 |
2859	VIRTCHNL_VLAN_ETHERTYPE_88A8 |
2860	VIRTCHNL_VLAN_ETHERTYPE_9100 |
2861	VIRTCHNL_VLAN_ETHERTYPE_XOR |
2862	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2;
2863
2864	supported_caps = &caps->offloads.insertion_support;
2865	supported_caps->inner = VIRTCHNL_VLAN_TOGGLE |
2866	VIRTCHNL_VLAN_ETHERTYPE_8100 |
2867	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2868	supported_caps->outer = VIRTCHNL_VLAN_TOGGLE |
2869	VIRTCHNL_VLAN_ETHERTYPE_8100 |
2870	VIRTCHNL_VLAN_ETHERTYPE_88A8 |
2871	VIRTCHNL_VLAN_ETHERTYPE_9100 |
2872	VIRTCHNL_VLAN_ETHERTYPE_XOR |
2873	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2;
2874
2875	caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;
2876
2877	caps->offloads.ethertype_match =
2878	VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;
2879	}
2880
2881	caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf);
2882	}
2883
2884	/**
2885	* ice_vc_set_svm_caps - set VLAN capabilities when the device is in SVM
2886	* @vf: VF that capabilities are being set for
2887	* @caps: VLAN capabilities to populate
2888	*
2889	* Determine VLAN capabilities support based on whether a port VLAN is
2890	* configured. If a port VLAN is configured then the VF does not have any VLAN
2891	* filtering or offload capabilities since the port VLAN is using the inner VLAN
2892	* capabilities in single VLAN mode (SVM). Otherwise allow the VF to use inner
2893	* VLAN fitlering and offload capabilities.
2894	*/
2895	static void
2896	ice_vc_set_svm_caps(struct ice_vf *vf, struct virtchnl_vlan_caps *caps)
2897	{
2898	struct virtchnl_vlan_supported_caps *supported_caps;
2899
2900	if (ice_vf_is_port_vlan_ena(vf)) {
2901	supported_caps = &caps->filtering.filtering_support;
2902	supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;
2903	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2904
2905	supported_caps = &caps->offloads.stripping_support;
2906	supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;
2907	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2908
2909	supported_caps = &caps->offloads.insertion_support;
2910	supported_caps->inner = VIRTCHNL_VLAN_UNSUPPORTED;
2911	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2912
2913	caps->offloads.ethertype_init = VIRTCHNL_VLAN_UNSUPPORTED;
2914	caps->offloads.ethertype_match = VIRTCHNL_VLAN_UNSUPPORTED;
2915	caps->filtering.max_filters = 0;
2916	} else {
2917	supported_caps = &caps->filtering.filtering_support;
2918	supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100;
2919	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2920	caps->filtering.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;
2921
2922	supported_caps = &caps->offloads.stripping_support;
2923	supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2924	VIRTCHNL_VLAN_TOGGLE |
2925	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2926	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2927
2928	supported_caps = &caps->offloads.insertion_support;
2929	supported_caps->inner = VIRTCHNL_VLAN_ETHERTYPE_8100 |
2930	VIRTCHNL_VLAN_TOGGLE |
2931	VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1;
2932	supported_caps->outer = VIRTCHNL_VLAN_UNSUPPORTED;
2933
2934	caps->offloads.ethertype_init = VIRTCHNL_VLAN_ETHERTYPE_8100;
2935	caps->offloads.ethertype_match =
2936	VIRTCHNL_ETHERTYPE_STRIPPING_MATCHES_INSERTION;
2937	caps->filtering.max_filters = ice_vc_get_max_vlan_fltrs(vf);
2938	}
2939	}
2940
2941	/**
2942	* ice_vc_get_offload_vlan_v2_caps - determine VF's VLAN capabilities
2943	* @vf: VF to determine VLAN capabilities for
2944	*
2945	* This will only be called if the VF and PF successfully negotiated
2946	* VIRTCHNL_VF_OFFLOAD_VLAN_V2.
2947	*
2948	* Set VLAN capabilities based on the current VLAN mode and whether a port VLAN
2949	* is configured or not.
2950	*/
2951	static int ice_vc_get_offload_vlan_v2_caps(struct ice_vf *vf)
2952	{
2953	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
2954	struct virtchnl_vlan_caps *caps = NULL;
2955	int err, len = 0;
2956
2957	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
2958	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
2959	goto out;
2960	}
2961
2962	caps = kzalloc(size: sizeof(*caps), GFP_KERNEL);
2963	if (!caps) {
2964	v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY;
2965	goto out;
2966	}
2967	len = sizeof(*caps);
2968
2969	if (ice_is_dvm_ena(hw: &vf->pf->hw))
2970	ice_vc_set_dvm_caps(vf, caps);
2971	else
2972	ice_vc_set_svm_caps(vf, caps);
2973
2974	/* store negotiated caps to prevent invalid VF messages */
2975	memcpy(&vf->vlan_v2_caps, caps, sizeof(*caps));
2976
2977	out:
2978	err = ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS,
2979	v_retval: v_ret, msg: (u8 *)caps, msglen: len);
2980	kfree(objp: caps);
2981	return err;
2982	}
2983
2984	/**
2985	* ice_vc_validate_vlan_tpid - validate VLAN TPID
2986	* @filtering_caps: negotiated/supported VLAN filtering capabilities
2987	* @tpid: VLAN TPID used for validation
2988	*
2989	* Convert the VLAN TPID to a VIRTCHNL_VLAN_ETHERTYPE_* and then compare against
2990	* the negotiated/supported filtering caps to see if the VLAN TPID is valid.
2991	*/
2992	static bool ice_vc_validate_vlan_tpid(u16 filtering_caps, u16 tpid)
2993	{
2994	enum virtchnl_vlan_support vlan_ethertype = VIRTCHNL_VLAN_UNSUPPORTED;
2995
2996	switch (tpid) {
2997	case ETH_P_8021Q:
2998	vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_8100;
2999	break;
3000	case ETH_P_8021AD:
3001	vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_88A8;
3002	break;
3003	case ETH_P_QINQ1:
3004	vlan_ethertype = VIRTCHNL_VLAN_ETHERTYPE_9100;
3005	break;
3006	}
3007
3008	if (!(filtering_caps & vlan_ethertype))
3009	return false;
3010
3011	return true;
3012	}
3013
3014	/**
3015	* ice_vc_is_valid_vlan - validate the virtchnl_vlan
3016	* @vc_vlan: virtchnl_vlan to validate
3017	*
3018	* If the VLAN TCI and VLAN TPID are 0, then this filter is invalid, so return
3019	* false. Otherwise return true.
3020	*/
3021	static bool ice_vc_is_valid_vlan(struct virtchnl_vlan *vc_vlan)
3022	{
3023	if (!vc_vlan->tci || !vc_vlan->tpid)
3024	return false;
3025
3026	return true;
3027	}
3028
3029	/**
3030	* ice_vc_validate_vlan_filter_list - validate the filter list from the VF
3031	* @vfc: negotiated/supported VLAN filtering capabilities
3032	* @vfl: VLAN filter list from VF to validate
3033	*
3034	* Validate all of the filters in the VLAN filter list from the VF. If any of
3035	* the checks fail then return false. Otherwise return true.
3036	*/
3037	static bool
3038	ice_vc_validate_vlan_filter_list(struct virtchnl_vlan_filtering_caps *vfc,
3039	struct virtchnl_vlan_filter_list_v2 *vfl)
3040	{
3041	u16 i;
3042
3043	if (!vfl->num_elements)
3044	return false;
3045
3046	for (i = 0; i < vfl->num_elements; i++) {
3047	struct virtchnl_vlan_supported_caps *filtering_support =
3048	&vfc->filtering_support;
3049	struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];
3050	struct virtchnl_vlan *outer = &vlan_fltr->outer;
3051	struct virtchnl_vlan *inner = &vlan_fltr->inner;
3052
3053	if ((ice_vc_is_valid_vlan(vc_vlan: outer) &&
3054	filtering_support->outer == VIRTCHNL_VLAN_UNSUPPORTED) ||
3055	(ice_vc_is_valid_vlan(vc_vlan: inner) &&
3056	filtering_support->inner == VIRTCHNL_VLAN_UNSUPPORTED))
3057	return false;
3058
3059	if ((outer->tci_mask &&
3060	!(filtering_support->outer & VIRTCHNL_VLAN_FILTER_MASK)) ||
3061	(inner->tci_mask &&
3062	!(filtering_support->inner & VIRTCHNL_VLAN_FILTER_MASK)))
3063	return false;
3064
3065	if (((outer->tci & VLAN_PRIO_MASK) &&
3066	!(filtering_support->outer & VIRTCHNL_VLAN_PRIO)) ||
3067	((inner->tci & VLAN_PRIO_MASK) &&
3068	!(filtering_support->inner & VIRTCHNL_VLAN_PRIO)))
3069	return false;
3070
3071	if ((ice_vc_is_valid_vlan(vc_vlan: outer) &&
3072	!ice_vc_validate_vlan_tpid(filtering_caps: filtering_support->outer,
3073	tpid: outer->tpid)) ||
3074	(ice_vc_is_valid_vlan(vc_vlan: inner) &&
3075	!ice_vc_validate_vlan_tpid(filtering_caps: filtering_support->inner,
3076	tpid: inner->tpid)))
3077	return false;
3078	}
3079
3080	return true;
3081	}
3082
3083	/**
3084	* ice_vc_to_vlan - transform from struct virtchnl_vlan to struct ice_vlan
3085	* @vc_vlan: struct virtchnl_vlan to transform
3086	*/
3087	static struct ice_vlan ice_vc_to_vlan(struct virtchnl_vlan *vc_vlan)
3088	{
3089	struct ice_vlan vlan = { 0 };
3090
3091	vlan.prio = FIELD_GET(VLAN_PRIO_MASK, vc_vlan->tci);
3092	vlan.vid = vc_vlan->tci & VLAN_VID_MASK;
3093	vlan.tpid = vc_vlan->tpid;
3094
3095	return vlan;
3096	}
3097
3098	/**
3099	* ice_vc_vlan_action - action to perform on the virthcnl_vlan
3100	* @vsi: VF's VSI used to perform the action
3101	* @vlan_action: function to perform the action with (i.e. add/del)
3102	* @vlan: VLAN filter to perform the action with
3103	*/
3104	static int
3105	ice_vc_vlan_action(struct ice_vsi *vsi,
3106	int (*vlan_action)(struct ice_vsi *, struct ice_vlan *),
3107	struct ice_vlan *vlan)
3108	{
3109	int err;
3110
3111	err = vlan_action(vsi, vlan);
3112	if (err)
3113	return err;
3114
3115	return 0;
3116	}
3117
3118	/**
3119	* ice_vc_del_vlans - delete VLAN(s) from the virtchnl filter list
3120	* @vf: VF used to delete the VLAN(s)
3121	* @vsi: VF's VSI used to delete the VLAN(s)
3122	* @vfl: virthchnl filter list used to delete the filters
3123	*/
3124	static int
3125	ice_vc_del_vlans(struct ice_vf *vf, struct ice_vsi *vsi,
3126	struct virtchnl_vlan_filter_list_v2 *vfl)
3127	{
3128	bool vlan_promisc = ice_is_vlan_promisc_allowed(vf);
3129	int err;
3130	u16 i;
3131
3132	for (i = 0; i < vfl->num_elements; i++) {
3133	struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];
3134	struct virtchnl_vlan *vc_vlan;
3135
3136	vc_vlan = &vlan_fltr->outer;
3137	if (ice_vc_is_valid_vlan(vc_vlan)) {
3138	struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);
3139
3140	err = ice_vc_vlan_action(vsi,
3141	vlan_action: vsi->outer_vlan_ops.del_vlan,
3142	vlan: &vlan);
3143	if (err)
3144	return err;
3145
3146	if (vlan_promisc)
3147	ice_vf_dis_vlan_promisc(vsi, vlan: &vlan);
3148
3149	/* Disable VLAN filtering when only VLAN 0 is left */
3150	if (!ice_vsi_has_non_zero_vlans(vsi) && ice_is_dvm_ena(hw: &vsi->back->hw)) {
3151	err = vsi->outer_vlan_ops.dis_tx_filtering(vsi);
3152	if (err)
3153	return err;
3154	}
3155	}
3156
3157	vc_vlan = &vlan_fltr->inner;
3158	if (ice_vc_is_valid_vlan(vc_vlan)) {
3159	struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);
3160
3161	err = ice_vc_vlan_action(vsi,
3162	vlan_action: vsi->inner_vlan_ops.del_vlan,
3163	vlan: &vlan);
3164	if (err)
3165	return err;
3166
3167	/* no support for VLAN promiscuous on inner VLAN unless
3168	* we are in Single VLAN Mode (SVM)
3169	*/
3170	if (!ice_is_dvm_ena(hw: &vsi->back->hw)) {
3171	if (vlan_promisc)
3172	ice_vf_dis_vlan_promisc(vsi, vlan: &vlan);
3173
3174	/* Disable VLAN filtering when only VLAN 0 is left */
3175	if (!ice_vsi_has_non_zero_vlans(vsi)) {
3176	err = vsi->inner_vlan_ops.dis_tx_filtering(vsi);
3177	if (err)
3178	return err;
3179	}
3180	}
3181	}
3182	}
3183
3184	return 0;
3185	}
3186
3187	/**
3188	* ice_vc_remove_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_DEL_VLAN_V2
3189	* @vf: VF the message was received from
3190	* @msg: message received from the VF
3191	*/
3192	static int ice_vc_remove_vlan_v2_msg(struct ice_vf *vf, u8 *msg)
3193	{
3194	struct virtchnl_vlan_filter_list_v2 *vfl =
3195	(struct virtchnl_vlan_filter_list_v2 *)msg;
3196	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3197	struct ice_vsi *vsi;
3198
3199	if (!ice_vc_validate_vlan_filter_list(vfc: &vf->vlan_v2_caps.filtering,
3200	vfl)) {
3201	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3202	goto out;
3203	}
3204
3205	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vfl->vport_id)) {
3206	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3207	goto out;
3208	}
3209
3210	vsi = ice_get_vf_vsi(vf);
3211	if (!vsi) {
3212	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3213	goto out;
3214	}
3215
3216	if (ice_vc_del_vlans(vf, vsi, vfl))
3217	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3218
3219	out:
3220	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DEL_VLAN_V2, v_retval: v_ret, NULL,
3221	msglen: 0);
3222	}
3223
3224	/**
3225	* ice_vc_add_vlans - add VLAN(s) from the virtchnl filter list
3226	* @vf: VF used to add the VLAN(s)
3227	* @vsi: VF's VSI used to add the VLAN(s)
3228	* @vfl: virthchnl filter list used to add the filters
3229	*/
3230	static int
3231	ice_vc_add_vlans(struct ice_vf *vf, struct ice_vsi *vsi,
3232	struct virtchnl_vlan_filter_list_v2 *vfl)
3233	{
3234	bool vlan_promisc = ice_is_vlan_promisc_allowed(vf);
3235	int err;
3236	u16 i;
3237
3238	for (i = 0; i < vfl->num_elements; i++) {
3239	struct virtchnl_vlan_filter *vlan_fltr = &vfl->filters[i];
3240	struct virtchnl_vlan *vc_vlan;
3241
3242	vc_vlan = &vlan_fltr->outer;
3243	if (ice_vc_is_valid_vlan(vc_vlan)) {
3244	struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);
3245
3246	err = ice_vc_vlan_action(vsi,
3247	vlan_action: vsi->outer_vlan_ops.add_vlan,
3248	vlan: &vlan);
3249	if (err)
3250	return err;
3251
3252	if (vlan_promisc) {
3253	err = ice_vf_ena_vlan_promisc(vsi, vlan: &vlan);
3254	if (err)
3255	return err;
3256	}
3257
3258	/* Enable VLAN filtering on first non-zero VLAN */
3259	if (vf->spoofchk && vlan.vid && ice_is_dvm_ena(hw: &vsi->back->hw)) {
3260	err = vsi->outer_vlan_ops.ena_tx_filtering(vsi);
3261	if (err)
3262	return err;
3263	}
3264	}
3265
3266	vc_vlan = &vlan_fltr->inner;
3267	if (ice_vc_is_valid_vlan(vc_vlan)) {
3268	struct ice_vlan vlan = ice_vc_to_vlan(vc_vlan);
3269
3270	err = ice_vc_vlan_action(vsi,
3271	vlan_action: vsi->inner_vlan_ops.add_vlan,
3272	vlan: &vlan);
3273	if (err)
3274	return err;
3275
3276	/* no support for VLAN promiscuous on inner VLAN unless
3277	* we are in Single VLAN Mode (SVM)
3278	*/
3279	if (!ice_is_dvm_ena(hw: &vsi->back->hw)) {
3280	if (vlan_promisc) {
3281	err = ice_vf_ena_vlan_promisc(vsi, vlan: &vlan);
3282	if (err)
3283	return err;
3284	}
3285
3286	/* Enable VLAN filtering on first non-zero VLAN */
3287	if (vf->spoofchk && vlan.vid) {
3288	err = vsi->inner_vlan_ops.ena_tx_filtering(vsi);
3289	if (err)
3290	return err;
3291	}
3292	}
3293	}
3294	}
3295
3296	return 0;
3297	}
3298
3299	/**
3300	* ice_vc_validate_add_vlan_filter_list - validate add filter list from the VF
3301	* @vsi: VF VSI used to get number of existing VLAN filters
3302	* @vfc: negotiated/supported VLAN filtering capabilities
3303	* @vfl: VLAN filter list from VF to validate
3304	*
3305	* Validate all of the filters in the VLAN filter list from the VF during the
3306	* VIRTCHNL_OP_ADD_VLAN_V2 opcode. If any of the checks fail then return false.
3307	* Otherwise return true.
3308	*/
3309	static bool
3310	ice_vc_validate_add_vlan_filter_list(struct ice_vsi *vsi,
3311	struct virtchnl_vlan_filtering_caps *vfc,
3312	struct virtchnl_vlan_filter_list_v2 *vfl)
3313	{
3314	u16 num_requested_filters = ice_vsi_num_non_zero_vlans(vsi) +
3315	vfl->num_elements;
3316
3317	if (num_requested_filters > vfc->max_filters)
3318	return false;
3319
3320	return ice_vc_validate_vlan_filter_list(vfc, vfl);
3321	}
3322
3323	/**
3324	* ice_vc_add_vlan_v2_msg - virtchnl handler for VIRTCHNL_OP_ADD_VLAN_V2
3325	* @vf: VF the message was received from
3326	* @msg: message received from the VF
3327	*/
3328	static int ice_vc_add_vlan_v2_msg(struct ice_vf *vf, u8 *msg)
3329	{
3330	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3331	struct virtchnl_vlan_filter_list_v2 *vfl =
3332	(struct virtchnl_vlan_filter_list_v2 *)msg;
3333	struct ice_vsi *vsi;
3334
3335	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
3336	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3337	goto out;
3338	}
3339
3340	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: vfl->vport_id)) {
3341	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3342	goto out;
3343	}
3344
3345	vsi = ice_get_vf_vsi(vf);
3346	if (!vsi) {
3347	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3348	goto out;
3349	}
3350
3351	if (!ice_vc_validate_add_vlan_filter_list(vsi,
3352	vfc: &vf->vlan_v2_caps.filtering,
3353	vfl)) {
3354	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3355	goto out;
3356	}
3357
3358	if (ice_vc_add_vlans(vf, vsi, vfl))
3359	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3360
3361	out:
3362	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ADD_VLAN_V2, v_retval: v_ret, NULL,
3363	msglen: 0);
3364	}
3365
3366	/**
3367	* ice_vc_valid_vlan_setting - validate VLAN setting
3368	* @negotiated_settings: negotiated VLAN settings during VF init
3369	* @ethertype_setting: ethertype(s) requested for the VLAN setting
3370	*/
3371	static bool
3372	ice_vc_valid_vlan_setting(u32 negotiated_settings, u32 ethertype_setting)
3373	{
3374	if (ethertype_setting && !(negotiated_settings & ethertype_setting))
3375	return false;
3376
3377	/* only allow a single VIRTCHNL_VLAN_ETHERTYPE if
3378	* VIRTHCNL_VLAN_ETHERTYPE_AND is not negotiated/supported
3379	*/
3380	if (!(negotiated_settings & VIRTCHNL_VLAN_ETHERTYPE_AND) &&
3381	hweight32(ethertype_setting) > 1)
3382	return false;
3383
3384	/* ability to modify the VLAN setting was not negotiated */
3385	if (!(negotiated_settings & VIRTCHNL_VLAN_TOGGLE))
3386	return false;
3387
3388	return true;
3389	}
3390
3391	/**
3392	* ice_vc_valid_vlan_setting_msg - validate the VLAN setting message
3393	* @caps: negotiated VLAN settings during VF init
3394	* @msg: message to validate
3395	*
3396	* Used to validate any VLAN virtchnl message sent as a
3397	* virtchnl_vlan_setting structure. Validates the message against the
3398	* negotiated/supported caps during VF driver init.
3399	*/
3400	static bool
3401	ice_vc_valid_vlan_setting_msg(struct virtchnl_vlan_supported_caps *caps,
3402	struct virtchnl_vlan_setting *msg)
3403	{
3404	if ((!msg->outer_ethertype_setting &&
3405	!msg->inner_ethertype_setting) ||
3406	(!caps->outer && !caps->inner))
3407	return false;
3408
3409	if (msg->outer_ethertype_setting &&
3410	!ice_vc_valid_vlan_setting(negotiated_settings: caps->outer,
3411	ethertype_setting: msg->outer_ethertype_setting))
3412	return false;
3413
3414	if (msg->inner_ethertype_setting &&
3415	!ice_vc_valid_vlan_setting(negotiated_settings: caps->inner,
3416	ethertype_setting: msg->inner_ethertype_setting))
3417	return false;
3418
3419	return true;
3420	}
3421
3422	/**
3423	* ice_vc_get_tpid - transform from VIRTCHNL_VLAN_ETHERTYPE_* to VLAN TPID
3424	* @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* used to get VLAN TPID
3425	* @tpid: VLAN TPID to populate
3426	*/
3427	static int ice_vc_get_tpid(u32 ethertype_setting, u16 *tpid)
3428	{
3429	switch (ethertype_setting) {
3430	case VIRTCHNL_VLAN_ETHERTYPE_8100:
3431	*tpid = ETH_P_8021Q;
3432	break;
3433	case VIRTCHNL_VLAN_ETHERTYPE_88A8:
3434	*tpid = ETH_P_8021AD;
3435	break;
3436	case VIRTCHNL_VLAN_ETHERTYPE_9100:
3437	*tpid = ETH_P_QINQ1;
3438	break;
3439	default:
3440	*tpid = 0;
3441	return -EINVAL;
3442	}
3443
3444	return 0;
3445	}
3446
3447	/**
3448	* ice_vc_ena_vlan_offload - enable VLAN offload based on the ethertype_setting
3449	* @vsi: VF's VSI used to enable the VLAN offload
3450	* @ena_offload: function used to enable the VLAN offload
3451	* @ethertype_setting: VIRTCHNL_VLAN_ETHERTYPE_* to enable offloads for
3452	*/
3453	static int
3454	ice_vc_ena_vlan_offload(struct ice_vsi *vsi,
3455	int (*ena_offload)(struct ice_vsi *vsi, u16 tpid),
3456	u32 ethertype_setting)
3457	{
3458	u16 tpid;
3459	int err;
3460
3461	err = ice_vc_get_tpid(ethertype_setting, tpid: &tpid);
3462	if (err)
3463	return err;
3464
3465	err = ena_offload(vsi, tpid);
3466	if (err)
3467	return err;
3468
3469	return 0;
3470	}
3471
3472	#define ICE_L2TSEL_QRX_CONTEXT_REG_IDX 3
3473	#define ICE_L2TSEL_BIT_OFFSET 23
3474	enum ice_l2tsel {
3475	ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND,
3476	ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1,
3477	};
3478
3479	/**
3480	* ice_vsi_update_l2tsel - update l2tsel field for all Rx rings on this VSI
3481	* @vsi: VSI used to update l2tsel on
3482	* @l2tsel: l2tsel setting requested
3483	*
3484	* Use the l2tsel setting to update all of the Rx queue context bits for l2tsel.
3485	* This will modify which descriptor field the first offloaded VLAN will be
3486	* stripped into.
3487	*/
3488	static void ice_vsi_update_l2tsel(struct ice_vsi *vsi, enum ice_l2tsel l2tsel)
3489	{
3490	struct ice_hw *hw = &vsi->back->hw;
3491	u32 l2tsel_bit;
3492	int i;
3493
3494	if (l2tsel == ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND)
3495	l2tsel_bit = 0;
3496	else
3497	l2tsel_bit = BIT(ICE_L2TSEL_BIT_OFFSET);
3498
3499	for (i = 0; i < vsi->alloc_rxq; i++) {
3500	u16 pfq = vsi->rxq_map[i];
3501	u32 qrx_context_offset;
3502	u32 regval;
3503
3504	qrx_context_offset =
3505	QRX_CONTEXT(ICE_L2TSEL_QRX_CONTEXT_REG_IDX, pfq);
3506
3507	regval = rd32(hw, qrx_context_offset);
3508	regval &= ~BIT(ICE_L2TSEL_BIT_OFFSET);
3509	regval |= l2tsel_bit;
3510	wr32(hw, qrx_context_offset, regval);
3511	}
3512	}
3513
3514	/**
3515	* ice_vc_ena_vlan_stripping_v2_msg
3516	* @vf: VF the message was received from
3517	* @msg: message received from the VF
3518	*
3519	* virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2
3520	*/
3521	static int ice_vc_ena_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
3522	{
3523	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3524	struct virtchnl_vlan_supported_caps *stripping_support;
3525	struct virtchnl_vlan_setting *strip_msg =
3526	(struct virtchnl_vlan_setting *)msg;
3527	u32 ethertype_setting;
3528	struct ice_vsi *vsi;
3529
3530	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
3531	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3532	goto out;
3533	}
3534
3535	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: strip_msg->vport_id)) {
3536	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3537	goto out;
3538	}
3539
3540	vsi = ice_get_vf_vsi(vf);
3541	if (!vsi) {
3542	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3543	goto out;
3544	}
3545
3546	stripping_support = &vf->vlan_v2_caps.offloads.stripping_support;
3547	if (!ice_vc_valid_vlan_setting_msg(caps: stripping_support, msg: strip_msg)) {
3548	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3549	goto out;
3550	}
3551
3552	if (ice_vsi_is_rxq_crc_strip_dis(vsi)) {
3553	v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
3554	goto out;
3555	}
3556
3557	ethertype_setting = strip_msg->outer_ethertype_setting;
3558	if (ethertype_setting) {
3559	if (ice_vc_ena_vlan_offload(vsi,
3560	ena_offload: vsi->outer_vlan_ops.ena_stripping,
3561	ethertype_setting)) {
3562	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3563	goto out;
3564	} else {
3565	enum ice_l2tsel l2tsel =
3566	ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG2_2ND;
3567
3568	/* PF tells the VF that the outer VLAN tag is always
3569	* extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and
3570	* inner is always extracted to
3571	* VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to
3572	* support outer stripping so the first tag always ends
3573	* up in L2TAG2_2ND and the second/inner tag, if
3574	* enabled, is extracted in L2TAG1.
3575	*/
3576	ice_vsi_update_l2tsel(vsi, l2tsel);
3577
3578	vf->vlan_strip_ena |= ICE_OUTER_VLAN_STRIP_ENA;
3579	}
3580	}
3581
3582	ethertype_setting = strip_msg->inner_ethertype_setting;
3583	if (ethertype_setting &&
3584	ice_vc_ena_vlan_offload(vsi, ena_offload: vsi->inner_vlan_ops.ena_stripping,
3585	ethertype_setting)) {
3586	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3587	goto out;
3588	}
3589
3590	if (ethertype_setting)
3591	vf->vlan_strip_ena |= ICE_INNER_VLAN_STRIP_ENA;
3592
3593	out:
3594	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2,
3595	v_retval: v_ret, NULL, msglen: 0);
3596	}
3597
3598	/**
3599	* ice_vc_dis_vlan_stripping_v2_msg
3600	* @vf: VF the message was received from
3601	* @msg: message received from the VF
3602	*
3603	* virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2
3604	*/
3605	static int ice_vc_dis_vlan_stripping_v2_msg(struct ice_vf *vf, u8 *msg)
3606	{
3607	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3608	struct virtchnl_vlan_supported_caps *stripping_support;
3609	struct virtchnl_vlan_setting *strip_msg =
3610	(struct virtchnl_vlan_setting *)msg;
3611	u32 ethertype_setting;
3612	struct ice_vsi *vsi;
3613
3614	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
3615	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3616	goto out;
3617	}
3618
3619	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: strip_msg->vport_id)) {
3620	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3621	goto out;
3622	}
3623
3624	vsi = ice_get_vf_vsi(vf);
3625	if (!vsi) {
3626	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3627	goto out;
3628	}
3629
3630	stripping_support = &vf->vlan_v2_caps.offloads.stripping_support;
3631	if (!ice_vc_valid_vlan_setting_msg(caps: stripping_support, msg: strip_msg)) {
3632	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3633	goto out;
3634	}
3635
3636	ethertype_setting = strip_msg->outer_ethertype_setting;
3637	if (ethertype_setting) {
3638	if (vsi->outer_vlan_ops.dis_stripping(vsi)) {
3639	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3640	goto out;
3641	} else {
3642	enum ice_l2tsel l2tsel =
3643	ICE_L2TSEL_EXTRACT_FIRST_TAG_L2TAG1;
3644
3645	/* PF tells the VF that the outer VLAN tag is always
3646	* extracted to VIRTCHNL_VLAN_TAG_LOCATION_L2TAG2_2 and
3647	* inner is always extracted to
3648	* VIRTCHNL_VLAN_TAG_LOCATION_L2TAG1. This is needed to
3649	* support inner stripping while outer stripping is
3650	* disabled so that the first and only tag is extracted
3651	* in L2TAG1.
3652	*/
3653	ice_vsi_update_l2tsel(vsi, l2tsel);
3654
3655	vf->vlan_strip_ena &= ~ICE_OUTER_VLAN_STRIP_ENA;
3656	}
3657	}
3658
3659	ethertype_setting = strip_msg->inner_ethertype_setting;
3660	if (ethertype_setting && vsi->inner_vlan_ops.dis_stripping(vsi)) {
3661	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3662	goto out;
3663	}
3664
3665	if (ethertype_setting)
3666	vf->vlan_strip_ena &= ~ICE_INNER_VLAN_STRIP_ENA;
3667
3668	out:
3669	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2,
3670	v_retval: v_ret, NULL, msglen: 0);
3671	}
3672
3673	/**
3674	* ice_vc_ena_vlan_insertion_v2_msg
3675	* @vf: VF the message was received from
3676	* @msg: message received from the VF
3677	*
3678	* virthcnl handler for VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2
3679	*/
3680	static int ice_vc_ena_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg)
3681	{
3682	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3683	struct virtchnl_vlan_supported_caps *insertion_support;
3684	struct virtchnl_vlan_setting *insertion_msg =
3685	(struct virtchnl_vlan_setting *)msg;
3686	u32 ethertype_setting;
3687	struct ice_vsi *vsi;
3688
3689	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
3690	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3691	goto out;
3692	}
3693
3694	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: insertion_msg->vport_id)) {
3695	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3696	goto out;
3697	}
3698
3699	vsi = ice_get_vf_vsi(vf);
3700	if (!vsi) {
3701	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3702	goto out;
3703	}
3704
3705	insertion_support = &vf->vlan_v2_caps.offloads.insertion_support;
3706	if (!ice_vc_valid_vlan_setting_msg(caps: insertion_support, msg: insertion_msg)) {
3707	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3708	goto out;
3709	}
3710
3711	ethertype_setting = insertion_msg->outer_ethertype_setting;
3712	if (ethertype_setting &&
3713	ice_vc_ena_vlan_offload(vsi, ena_offload: vsi->outer_vlan_ops.ena_insertion,
3714	ethertype_setting)) {
3715	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3716	goto out;
3717	}
3718
3719	ethertype_setting = insertion_msg->inner_ethertype_setting;
3720	if (ethertype_setting &&
3721	ice_vc_ena_vlan_offload(vsi, ena_offload: vsi->inner_vlan_ops.ena_insertion,
3722	ethertype_setting)) {
3723	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3724	goto out;
3725	}
3726
3727	out:
3728	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2,
3729	v_retval: v_ret, NULL, msglen: 0);
3730	}
3731
3732	/**
3733	* ice_vc_dis_vlan_insertion_v2_msg
3734	* @vf: VF the message was received from
3735	* @msg: message received from the VF
3736	*
3737	* virthcnl handler for VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2
3738	*/
3739	static int ice_vc_dis_vlan_insertion_v2_msg(struct ice_vf *vf, u8 *msg)
3740	{
3741	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3742	struct virtchnl_vlan_supported_caps *insertion_support;
3743	struct virtchnl_vlan_setting *insertion_msg =
3744	(struct virtchnl_vlan_setting *)msg;
3745	u32 ethertype_setting;
3746	struct ice_vsi *vsi;
3747
3748	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
3749	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3750	goto out;
3751	}
3752
3753	if (!ice_vc_isvalid_vsi_id(vf, vsi_id: insertion_msg->vport_id)) {
3754	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3755	goto out;
3756	}
3757
3758	vsi = ice_get_vf_vsi(vf);
3759	if (!vsi) {
3760	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3761	goto out;
3762	}
3763
3764	insertion_support = &vf->vlan_v2_caps.offloads.insertion_support;
3765	if (!ice_vc_valid_vlan_setting_msg(caps: insertion_support, msg: insertion_msg)) {
3766	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3767	goto out;
3768	}
3769
3770	ethertype_setting = insertion_msg->outer_ethertype_setting;
3771	if (ethertype_setting && vsi->outer_vlan_ops.dis_insertion(vsi)) {
3772	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3773	goto out;
3774	}
3775
3776	ethertype_setting = insertion_msg->inner_ethertype_setting;
3777	if (ethertype_setting && vsi->inner_vlan_ops.dis_insertion(vsi)) {
3778	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3779	goto out;
3780	}
3781
3782	out:
3783	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2,
3784	v_retval: v_ret, NULL, msglen: 0);
3785	}
3786
3787	static const struct ice_virtchnl_ops ice_virtchnl_dflt_ops = {
3788	.get_ver_msg = ice_vc_get_ver_msg,
3789	.get_vf_res_msg = ice_vc_get_vf_res_msg,
3790	.reset_vf = ice_vc_reset_vf_msg,
3791	.add_mac_addr_msg = ice_vc_add_mac_addr_msg,
3792	.del_mac_addr_msg = ice_vc_del_mac_addr_msg,
3793	.cfg_qs_msg = ice_vc_cfg_qs_msg,
3794	.ena_qs_msg = ice_vc_ena_qs_msg,
3795	.dis_qs_msg = ice_vc_dis_qs_msg,
3796	.request_qs_msg = ice_vc_request_qs_msg,
3797	.cfg_irq_map_msg = ice_vc_cfg_irq_map_msg,
3798	.config_rss_key = ice_vc_config_rss_key,
3799	.config_rss_lut = ice_vc_config_rss_lut,
3800	.config_rss_hfunc = ice_vc_config_rss_hfunc,
3801	.get_stats_msg = ice_vc_get_stats_msg,
3802	.cfg_promiscuous_mode_msg = ice_vc_cfg_promiscuous_mode_msg,
3803	.add_vlan_msg = ice_vc_add_vlan_msg,
3804	.remove_vlan_msg = ice_vc_remove_vlan_msg,
3805	.query_rxdid = ice_vc_query_rxdid,
3806	.get_rss_hena = ice_vc_get_rss_hena,
3807	.set_rss_hena_msg = ice_vc_set_rss_hena,
3808	.ena_vlan_stripping = ice_vc_ena_vlan_stripping,
3809	.dis_vlan_stripping = ice_vc_dis_vlan_stripping,
3810	.handle_rss_cfg_msg = ice_vc_handle_rss_cfg,
3811	.add_fdir_fltr_msg = ice_vc_add_fdir_fltr,
3812	.del_fdir_fltr_msg = ice_vc_del_fdir_fltr,
3813	.get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps,
3814	.add_vlan_v2_msg = ice_vc_add_vlan_v2_msg,
3815	.remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg,
3816	.ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg,
3817	.dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg,
3818	.ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg,
3819	.dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg,
3820	};
3821
3822	/**
3823	* ice_virtchnl_set_dflt_ops - Switch to default virtchnl ops
3824	* @vf: the VF to switch ops
3825	*/
3826	void ice_virtchnl_set_dflt_ops(struct ice_vf *vf)
3827	{
3828	vf->virtchnl_ops = &ice_virtchnl_dflt_ops;
3829	}
3830
3831	/**
3832	* ice_vc_repr_add_mac
3833	* @vf: pointer to VF
3834	* @msg: virtchannel message
3835	*
3836	* When port representors are created, we do not add MAC rule
3837	* to firmware, we store it so that PF could report same
3838	* MAC as VF.
3839	*/
3840	static int ice_vc_repr_add_mac(struct ice_vf *vf, u8 *msg)
3841	{
3842	enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
3843	struct virtchnl_ether_addr_list *al =
3844	(struct virtchnl_ether_addr_list *)msg;
3845	struct ice_vsi *vsi;
3846	struct ice_pf *pf;
3847	int i;
3848
3849	if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) ||
3850	!ice_vc_isvalid_vsi_id(vf, vsi_id: al->vsi_id)) {
3851	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3852	goto handle_mac_exit;
3853	}
3854
3855	pf = vf->pf;
3856
3857	vsi = ice_get_vf_vsi(vf);
3858	if (!vsi) {
3859	v_ret = VIRTCHNL_STATUS_ERR_PARAM;
3860	goto handle_mac_exit;
3861	}
3862
3863	for (i = 0; i < al->num_elements; i++) {
3864	u8 *mac_addr = al->list[i].addr;
3865
3866	if (!is_unicast_ether_addr(addr: mac_addr) ||
3867	ether_addr_equal(addr1: mac_addr, addr2: vf->hw_lan_addr))
3868	continue;
3869
3870	if (vf->pf_set_mac) {
3871	dev_err(ice_pf_to_dev(pf), "VF attempting to override administratively set MAC address\n");
3872	v_ret = VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
3873	goto handle_mac_exit;
3874	}
3875
3876	ice_vfhw_mac_add(vf, vc_ether_addr: &al->list[i]);
3877	vf->num_mac++;
3878	break;
3879	}
3880
3881	handle_mac_exit:
3882	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_ADD_ETH_ADDR,
3883	v_retval: v_ret, NULL, msglen: 0);
3884	}
3885
3886	/**
3887	* ice_vc_repr_del_mac - response with success for deleting MAC
3888	* @vf: pointer to VF
3889	* @msg: virtchannel message
3890	*
3891	* Respond with success to not break normal VF flow.
3892	* For legacy VF driver try to update cached MAC address.
3893	*/
3894	static int
3895	ice_vc_repr_del_mac(struct ice_vf __always_unused *vf, u8 __always_unused *msg)
3896	{
3897	struct virtchnl_ether_addr_list *al =
3898	(struct virtchnl_ether_addr_list *)msg;
3899
3900	ice_update_legacy_cached_mac(vf, vc_ether_addr: &al->list[0]);
3901
3902	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_DEL_ETH_ADDR,
3903	v_retval: VIRTCHNL_STATUS_SUCCESS, NULL, msglen: 0);
3904	}
3905
3906	static int
3907	ice_vc_repr_cfg_promiscuous_mode(struct ice_vf *vf, u8 __always_unused *msg)
3908	{
3909	dev_dbg(ice_pf_to_dev(vf->pf),
3910	"Can't config promiscuous mode in switchdev mode for VF %d\n",
3911	vf->vf_id);
3912	return ice_vc_send_msg_to_vf(vf, v_opcode: VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
3913	v_retval: VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
3914	NULL, msglen: 0);
3915	}
3916
3917	static const struct ice_virtchnl_ops ice_virtchnl_repr_ops = {
3918	.get_ver_msg = ice_vc_get_ver_msg,
3919	.get_vf_res_msg = ice_vc_get_vf_res_msg,
3920	.reset_vf = ice_vc_reset_vf_msg,
3921	.add_mac_addr_msg = ice_vc_repr_add_mac,
3922	.del_mac_addr_msg = ice_vc_repr_del_mac,
3923	.cfg_qs_msg = ice_vc_cfg_qs_msg,
3924	.ena_qs_msg = ice_vc_ena_qs_msg,
3925	.dis_qs_msg = ice_vc_dis_qs_msg,
3926	.request_qs_msg = ice_vc_request_qs_msg,
3927	.cfg_irq_map_msg = ice_vc_cfg_irq_map_msg,
3928	.config_rss_key = ice_vc_config_rss_key,
3929	.config_rss_lut = ice_vc_config_rss_lut,
3930	.config_rss_hfunc = ice_vc_config_rss_hfunc,
3931	.get_stats_msg = ice_vc_get_stats_msg,
3932	.cfg_promiscuous_mode_msg = ice_vc_repr_cfg_promiscuous_mode,
3933	.add_vlan_msg = ice_vc_add_vlan_msg,
3934	.remove_vlan_msg = ice_vc_remove_vlan_msg,
3935	.query_rxdid = ice_vc_query_rxdid,
3936	.get_rss_hena = ice_vc_get_rss_hena,
3937	.set_rss_hena_msg = ice_vc_set_rss_hena,
3938	.ena_vlan_stripping = ice_vc_ena_vlan_stripping,
3939	.dis_vlan_stripping = ice_vc_dis_vlan_stripping,
3940	.handle_rss_cfg_msg = ice_vc_handle_rss_cfg,
3941	.add_fdir_fltr_msg = ice_vc_add_fdir_fltr,
3942	.del_fdir_fltr_msg = ice_vc_del_fdir_fltr,
3943	.get_offload_vlan_v2_caps = ice_vc_get_offload_vlan_v2_caps,
3944	.add_vlan_v2_msg = ice_vc_add_vlan_v2_msg,
3945	.remove_vlan_v2_msg = ice_vc_remove_vlan_v2_msg,
3946	.ena_vlan_stripping_v2_msg = ice_vc_ena_vlan_stripping_v2_msg,
3947	.dis_vlan_stripping_v2_msg = ice_vc_dis_vlan_stripping_v2_msg,
3948	.ena_vlan_insertion_v2_msg = ice_vc_ena_vlan_insertion_v2_msg,
3949	.dis_vlan_insertion_v2_msg = ice_vc_dis_vlan_insertion_v2_msg,
3950	};
3951
3952	/**
3953	* ice_virtchnl_set_repr_ops - Switch to representor virtchnl ops
3954	* @vf: the VF to switch ops
3955	*/
3956	void ice_virtchnl_set_repr_ops(struct ice_vf *vf)
3957	{
3958	vf->virtchnl_ops = &ice_virtchnl_repr_ops;
3959	}
3960
3961	/**
3962	* ice_is_malicious_vf - check if this vf might be overflowing mailbox
3963	* @vf: the VF to check
3964	* @mbxdata: data about the state of the mailbox
3965	*
3966	* Detect if a given VF might be malicious and attempting to overflow the PF
3967	* mailbox. If so, log a warning message and ignore this event.
3968	*/
3969	static bool
3970	ice_is_malicious_vf(struct ice_vf *vf, struct ice_mbx_data *mbxdata)
3971	{
3972	bool report_malvf = false;
3973	struct device *dev;
3974	struct ice_pf *pf;
3975	int status;
3976
3977	pf = vf->pf;
3978	dev = ice_pf_to_dev(pf);
3979
3980	if (test_bit(ICE_VF_STATE_DIS, vf->vf_states))
3981	return vf->mbx_info.malicious;
3982
3983	/* check to see if we have a newly malicious VF */
3984	status = ice_mbx_vf_state_handler(hw: &pf->hw, mbx_data: mbxdata, vf_info: &vf->mbx_info,
3985	report_malvf: &report_malvf);
3986	if (status)
3987	dev_warn_ratelimited(dev, "Unable to check status of mailbox overflow for VF %u MAC %pM, status %d\n",
3988	vf->vf_id, vf->dev_lan_addr, status);
3989
3990	if (report_malvf) {
3991	struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);
3992	u8 zero_addr[ETH_ALEN] = {};
3993
3994	dev_warn(dev, "VF MAC %pM on PF MAC %pM is generating asynchronous messages and may be overflowing the PF message queue. Please see the Adapter User Guide for more information\n",
3995	vf->dev_lan_addr,
3996	pf_vsi ? pf_vsi->netdev->dev_addr : zero_addr);
3997	}
3998
3999	return vf->mbx_info.malicious;
4000	}
4001
4002	/**
4003	* ice_vc_process_vf_msg - Process request from VF
4004	* @pf: pointer to the PF structure
4005	* @event: pointer to the AQ event
4006	* @mbxdata: information used to detect VF attempting mailbox overflow
4007	*
4008	* called from the common asq/arq handler to
4009	* process request from VF
4010	*/
4011	void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event,
4012	struct ice_mbx_data *mbxdata)
4013	{
4014	u32 v_opcode = le32_to_cpu(event->desc.cookie_high);
4015	s16 vf_id = le16_to_cpu(event->desc.retval);
4016	const struct ice_virtchnl_ops *ops;
4017	u16 msglen = event->msg_len;
4018	u8 *msg = event->msg_buf;
4019	struct ice_vf *vf = NULL;
4020	struct device *dev;
4021	int err = 0;
4022
4023	dev = ice_pf_to_dev(pf);
4024
4025	vf = ice_get_vf_by_id(pf, vf_id);
4026	if (!vf) {
4027	dev_err(dev, "Unable to locate VF for message from VF ID %d, opcode %d, len %d\n",
4028	vf_id, v_opcode, msglen);
4029	return;
4030	}
4031
4032	mutex_lock(&vf->cfg_lock);
4033
4034	/* Check if the VF is trying to overflow the mailbox */
4035	if (ice_is_malicious_vf(vf, mbxdata))
4036	goto finish;
4037
4038	/* Check if VF is disabled. */
4039	if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) {
4040	err = -EPERM;
4041	goto error_handler;
4042	}
4043
4044	ops = vf->virtchnl_ops;
4045
4046	/* Perform basic checks on the msg */
4047	err = virtchnl_vc_validate_vf_msg(ver: &vf->vf_ver, v_opcode, msg, msglen);
4048	if (err) {
4049	if (err == VIRTCHNL_STATUS_ERR_PARAM)
4050	err = -EPERM;
4051	else
4052	err = -EINVAL;
4053	}
4054
4055	error_handler:
4056	if (err) {
4057	ice_vc_send_msg_to_vf(vf, v_opcode, v_retval: VIRTCHNL_STATUS_ERR_PARAM,
4058	NULL, msglen: 0);
4059	dev_err(dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n",
4060	vf_id, v_opcode, msglen, err);
4061	goto finish;
4062	}
4063
4064	if (!ice_vc_is_opcode_allowed(vf, opcode: v_opcode)) {
4065	ice_vc_send_msg_to_vf(vf, v_opcode,
4066	v_retval: VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, NULL,
4067	msglen: 0);
4068	goto finish;
4069	}
4070
4071	switch (v_opcode) {
4072	case VIRTCHNL_OP_VERSION:
4073	err = ops->get_ver_msg(vf, msg);
4074	break;
4075	case VIRTCHNL_OP_GET_VF_RESOURCES:
4076	err = ops->get_vf_res_msg(vf, msg);
4077	if (ice_vf_init_vlan_stripping(vf))
4078	dev_dbg(dev, "Failed to initialize VLAN stripping for VF %d\n",
4079	vf->vf_id);
4080	ice_vc_notify_vf_link_state(vf);
4081	break;
4082	case VIRTCHNL_OP_RESET_VF:
4083	ops->reset_vf(vf);
4084	break;
4085	case VIRTCHNL_OP_ADD_ETH_ADDR:
4086	err = ops->add_mac_addr_msg(vf, msg);
4087	break;
4088	case VIRTCHNL_OP_DEL_ETH_ADDR:
4089	err = ops->del_mac_addr_msg(vf, msg);
4090	break;
4091	case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
4092	err = ops->cfg_qs_msg(vf, msg);
4093	break;
4094	case VIRTCHNL_OP_ENABLE_QUEUES:
4095	err = ops->ena_qs_msg(vf, msg);
4096	ice_vc_notify_vf_link_state(vf);
4097	break;
4098	case VIRTCHNL_OP_DISABLE_QUEUES:
4099	err = ops->dis_qs_msg(vf, msg);
4100	break;
4101	case VIRTCHNL_OP_REQUEST_QUEUES:
4102	err = ops->request_qs_msg(vf, msg);
4103	break;
4104	case VIRTCHNL_OP_CONFIG_IRQ_MAP:
4105	err = ops->cfg_irq_map_msg(vf, msg);
4106	break;
4107	case VIRTCHNL_OP_CONFIG_RSS_KEY:
4108	err = ops->config_rss_key(vf, msg);
4109	break;
4110	case VIRTCHNL_OP_CONFIG_RSS_LUT:
4111	err = ops->config_rss_lut(vf, msg);
4112	break;
4113	case VIRTCHNL_OP_CONFIG_RSS_HFUNC:
4114	err = ops->config_rss_hfunc(vf, msg);
4115	break;
4116	case VIRTCHNL_OP_GET_STATS:
4117	err = ops->get_stats_msg(vf, msg);
4118	break;
4119	case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
4120	err = ops->cfg_promiscuous_mode_msg(vf, msg);
4121	break;
4122	case VIRTCHNL_OP_ADD_VLAN:
4123	err = ops->add_vlan_msg(vf, msg);
4124	break;
4125	case VIRTCHNL_OP_DEL_VLAN:
4126	err = ops->remove_vlan_msg(vf, msg);
4127	break;
4128	case VIRTCHNL_OP_GET_SUPPORTED_RXDIDS:
4129	err = ops->query_rxdid(vf);
4130	break;
4131	case VIRTCHNL_OP_GET_RSS_HENA_CAPS:
4132	err = ops->get_rss_hena(vf);
4133	break;
4134	case VIRTCHNL_OP_SET_RSS_HENA:
4135	err = ops->set_rss_hena_msg(vf, msg);
4136	break;
4137	case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
4138	err = ops->ena_vlan_stripping(vf);
4139	break;
4140	case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
4141	err = ops->dis_vlan_stripping(vf);
4142	break;
4143	case VIRTCHNL_OP_ADD_FDIR_FILTER:
4144	err = ops->add_fdir_fltr_msg(vf, msg);
4145	break;
4146	case VIRTCHNL_OP_DEL_FDIR_FILTER:
4147	err = ops->del_fdir_fltr_msg(vf, msg);
4148	break;
4149	case VIRTCHNL_OP_ADD_RSS_CFG:
4150	err = ops->handle_rss_cfg_msg(vf, msg, true);
4151	break;
4152	case VIRTCHNL_OP_DEL_RSS_CFG:
4153	err = ops->handle_rss_cfg_msg(vf, msg, false);
4154	break;
4155	case VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS:
4156	err = ops->get_offload_vlan_v2_caps(vf);
4157	break;
4158	case VIRTCHNL_OP_ADD_VLAN_V2:
4159	err = ops->add_vlan_v2_msg(vf, msg);
4160	break;
4161	case VIRTCHNL_OP_DEL_VLAN_V2:
4162	err = ops->remove_vlan_v2_msg(vf, msg);
4163	break;
4164	case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING_V2:
4165	err = ops->ena_vlan_stripping_v2_msg(vf, msg);
4166	break;
4167	case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING_V2:
4168	err = ops->dis_vlan_stripping_v2_msg(vf, msg);
4169	break;
4170	case VIRTCHNL_OP_ENABLE_VLAN_INSERTION_V2:
4171	err = ops->ena_vlan_insertion_v2_msg(vf, msg);
4172	break;
4173	case VIRTCHNL_OP_DISABLE_VLAN_INSERTION_V2:
4174	err = ops->dis_vlan_insertion_v2_msg(vf, msg);
4175	break;
4176	case VIRTCHNL_OP_UNKNOWN:
4177	default:
4178	dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode,
4179	vf_id);
4180	err = ice_vc_send_msg_to_vf(vf, v_opcode,
4181	v_retval: VIRTCHNL_STATUS_ERR_NOT_SUPPORTED,
4182	NULL, msglen: 0);
4183	break;
4184	}
4185	if (err) {
4186	/* Helper function cares less about error return values here
4187	* as it is busy with pending work.
4188	*/
4189	dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n",
4190	vf_id, v_opcode, err);
4191	}
4192
4193	finish:
4194	mutex_unlock(lock: &vf->cfg_lock);
4195	ice_put_vf(vf);
4196	}
4197