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1f7ea1cd QZ |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (C) 2021, Intel Corporation. */ | |
3 | ||
4 | #include "ice.h" | |
5 | #include "ice_base.h" | |
6 | #include "ice_lib.h" | |
7 | #include "ice_flow.h" | |
8 | ||
9 | #define to_fltr_conf_from_desc(p) \ | |
10 | container_of(p, struct virtchnl_fdir_fltr_conf, input) | |
11 | ||
12 | #define ICE_FLOW_PROF_TYPE_S 0 | |
13 | #define ICE_FLOW_PROF_TYPE_M (0xFFFFFFFFULL << ICE_FLOW_PROF_TYPE_S) | |
14 | #define ICE_FLOW_PROF_VSI_S 32 | |
15 | #define ICE_FLOW_PROF_VSI_M (0xFFFFFFFFULL << ICE_FLOW_PROF_VSI_S) | |
16 | ||
17 | /* Flow profile ID format: | |
18 | * [0:31] - flow type, flow + tun_offs | |
19 | * [32:63] - VSI index | |
20 | */ | |
21 | #define ICE_FLOW_PROF_FD(vsi, flow, tun_offs) \ | |
22 | ((u64)(((((flow) + (tun_offs)) & ICE_FLOW_PROF_TYPE_M)) | \ | |
23 | (((u64)(vsi) << ICE_FLOW_PROF_VSI_S) & ICE_FLOW_PROF_VSI_M))) | |
24 | ||
ef9e4cc5 QZ |
25 | #define GTPU_TEID_OFFSET 4 |
26 | #define GTPU_EH_QFI_OFFSET 1 | |
27 | #define GTPU_EH_QFI_MASK 0x3F | |
213528fe QZ |
28 | #define PFCP_S_OFFSET 0 |
29 | #define PFCP_S_MASK 0x1 | |
30 | #define PFCP_PORT_NR 8805 | |
31 | ||
32 | #define FDIR_INSET_FLAG_ESP_S 0 | |
33 | #define FDIR_INSET_FLAG_ESP_M BIT_ULL(FDIR_INSET_FLAG_ESP_S) | |
34 | #define FDIR_INSET_FLAG_ESP_UDP BIT_ULL(FDIR_INSET_FLAG_ESP_S) | |
35 | #define FDIR_INSET_FLAG_ESP_IPSEC (0ULL << FDIR_INSET_FLAG_ESP_S) | |
ef9e4cc5 QZ |
36 | |
37 | enum ice_fdir_tunnel_type { | |
38 | ICE_FDIR_TUNNEL_TYPE_NONE = 0, | |
39 | ICE_FDIR_TUNNEL_TYPE_GTPU, | |
40 | ICE_FDIR_TUNNEL_TYPE_GTPU_EH, | |
41 | }; | |
42 | ||
1f7ea1cd QZ |
43 | struct virtchnl_fdir_fltr_conf { |
44 | struct ice_fdir_fltr input; | |
ef9e4cc5 | 45 | enum ice_fdir_tunnel_type ttype; |
213528fe | 46 | u64 inset_flag; |
d6218317 | 47 | u32 flow_id; |
1f7ea1cd QZ |
48 | }; |
49 | ||
21606584 QZ |
50 | static enum virtchnl_proto_hdr_type vc_pattern_ether[] = { |
51 | VIRTCHNL_PROTO_HDR_ETH, | |
52 | VIRTCHNL_PROTO_HDR_NONE, | |
53 | }; | |
54 | ||
0ce332fd QZ |
55 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4[] = { |
56 | VIRTCHNL_PROTO_HDR_ETH, | |
57 | VIRTCHNL_PROTO_HDR_IPV4, | |
58 | VIRTCHNL_PROTO_HDR_NONE, | |
59 | }; | |
60 | ||
61 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_tcp[] = { | |
62 | VIRTCHNL_PROTO_HDR_ETH, | |
63 | VIRTCHNL_PROTO_HDR_IPV4, | |
64 | VIRTCHNL_PROTO_HDR_TCP, | |
65 | VIRTCHNL_PROTO_HDR_NONE, | |
66 | }; | |
67 | ||
68 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_udp[] = { | |
69 | VIRTCHNL_PROTO_HDR_ETH, | |
70 | VIRTCHNL_PROTO_HDR_IPV4, | |
71 | VIRTCHNL_PROTO_HDR_UDP, | |
72 | VIRTCHNL_PROTO_HDR_NONE, | |
73 | }; | |
74 | ||
75 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_sctp[] = { | |
76 | VIRTCHNL_PROTO_HDR_ETH, | |
77 | VIRTCHNL_PROTO_HDR_IPV4, | |
78 | VIRTCHNL_PROTO_HDR_SCTP, | |
79 | VIRTCHNL_PROTO_HDR_NONE, | |
80 | }; | |
81 | ||
82 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6[] = { | |
83 | VIRTCHNL_PROTO_HDR_ETH, | |
84 | VIRTCHNL_PROTO_HDR_IPV6, | |
85 | VIRTCHNL_PROTO_HDR_NONE, | |
86 | }; | |
87 | ||
88 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_tcp[] = { | |
89 | VIRTCHNL_PROTO_HDR_ETH, | |
90 | VIRTCHNL_PROTO_HDR_IPV6, | |
91 | VIRTCHNL_PROTO_HDR_TCP, | |
92 | VIRTCHNL_PROTO_HDR_NONE, | |
93 | }; | |
94 | ||
95 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_udp[] = { | |
96 | VIRTCHNL_PROTO_HDR_ETH, | |
97 | VIRTCHNL_PROTO_HDR_IPV6, | |
98 | VIRTCHNL_PROTO_HDR_UDP, | |
99 | VIRTCHNL_PROTO_HDR_NONE, | |
100 | }; | |
101 | ||
102 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_sctp[] = { | |
103 | VIRTCHNL_PROTO_HDR_ETH, | |
104 | VIRTCHNL_PROTO_HDR_IPV6, | |
105 | VIRTCHNL_PROTO_HDR_SCTP, | |
106 | VIRTCHNL_PROTO_HDR_NONE, | |
107 | }; | |
108 | ||
ef9e4cc5 QZ |
109 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_gtpu[] = { |
110 | VIRTCHNL_PROTO_HDR_ETH, | |
111 | VIRTCHNL_PROTO_HDR_IPV4, | |
112 | VIRTCHNL_PROTO_HDR_UDP, | |
113 | VIRTCHNL_PROTO_HDR_GTPU_IP, | |
114 | VIRTCHNL_PROTO_HDR_NONE, | |
115 | }; | |
116 | ||
117 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_gtpu_eh[] = { | |
118 | VIRTCHNL_PROTO_HDR_ETH, | |
119 | VIRTCHNL_PROTO_HDR_IPV4, | |
120 | VIRTCHNL_PROTO_HDR_UDP, | |
121 | VIRTCHNL_PROTO_HDR_GTPU_IP, | |
122 | VIRTCHNL_PROTO_HDR_GTPU_EH, | |
123 | VIRTCHNL_PROTO_HDR_NONE, | |
124 | }; | |
125 | ||
213528fe QZ |
126 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_l2tpv3[] = { |
127 | VIRTCHNL_PROTO_HDR_ETH, | |
128 | VIRTCHNL_PROTO_HDR_IPV4, | |
129 | VIRTCHNL_PROTO_HDR_L2TPV3, | |
130 | VIRTCHNL_PROTO_HDR_NONE, | |
131 | }; | |
132 | ||
133 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_l2tpv3[] = { | |
134 | VIRTCHNL_PROTO_HDR_ETH, | |
135 | VIRTCHNL_PROTO_HDR_IPV6, | |
136 | VIRTCHNL_PROTO_HDR_L2TPV3, | |
137 | VIRTCHNL_PROTO_HDR_NONE, | |
138 | }; | |
139 | ||
140 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_esp[] = { | |
141 | VIRTCHNL_PROTO_HDR_ETH, | |
142 | VIRTCHNL_PROTO_HDR_IPV4, | |
143 | VIRTCHNL_PROTO_HDR_ESP, | |
144 | VIRTCHNL_PROTO_HDR_NONE, | |
145 | }; | |
146 | ||
147 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_esp[] = { | |
148 | VIRTCHNL_PROTO_HDR_ETH, | |
149 | VIRTCHNL_PROTO_HDR_IPV6, | |
150 | VIRTCHNL_PROTO_HDR_ESP, | |
151 | VIRTCHNL_PROTO_HDR_NONE, | |
152 | }; | |
153 | ||
154 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_ah[] = { | |
155 | VIRTCHNL_PROTO_HDR_ETH, | |
156 | VIRTCHNL_PROTO_HDR_IPV4, | |
157 | VIRTCHNL_PROTO_HDR_AH, | |
158 | VIRTCHNL_PROTO_HDR_NONE, | |
159 | }; | |
160 | ||
161 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_ah[] = { | |
162 | VIRTCHNL_PROTO_HDR_ETH, | |
163 | VIRTCHNL_PROTO_HDR_IPV6, | |
164 | VIRTCHNL_PROTO_HDR_AH, | |
165 | VIRTCHNL_PROTO_HDR_NONE, | |
166 | }; | |
167 | ||
168 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_nat_t_esp[] = { | |
169 | VIRTCHNL_PROTO_HDR_ETH, | |
170 | VIRTCHNL_PROTO_HDR_IPV4, | |
171 | VIRTCHNL_PROTO_HDR_UDP, | |
172 | VIRTCHNL_PROTO_HDR_ESP, | |
173 | VIRTCHNL_PROTO_HDR_NONE, | |
174 | }; | |
175 | ||
176 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_nat_t_esp[] = { | |
177 | VIRTCHNL_PROTO_HDR_ETH, | |
178 | VIRTCHNL_PROTO_HDR_IPV6, | |
179 | VIRTCHNL_PROTO_HDR_UDP, | |
180 | VIRTCHNL_PROTO_HDR_ESP, | |
181 | VIRTCHNL_PROTO_HDR_NONE, | |
182 | }; | |
183 | ||
184 | static enum virtchnl_proto_hdr_type vc_pattern_ipv4_pfcp[] = { | |
185 | VIRTCHNL_PROTO_HDR_ETH, | |
186 | VIRTCHNL_PROTO_HDR_IPV4, | |
187 | VIRTCHNL_PROTO_HDR_UDP, | |
188 | VIRTCHNL_PROTO_HDR_PFCP, | |
189 | VIRTCHNL_PROTO_HDR_NONE, | |
190 | }; | |
191 | ||
192 | static enum virtchnl_proto_hdr_type vc_pattern_ipv6_pfcp[] = { | |
193 | VIRTCHNL_PROTO_HDR_ETH, | |
194 | VIRTCHNL_PROTO_HDR_IPV6, | |
195 | VIRTCHNL_PROTO_HDR_UDP, | |
196 | VIRTCHNL_PROTO_HDR_PFCP, | |
197 | VIRTCHNL_PROTO_HDR_NONE, | |
198 | }; | |
199 | ||
0ce332fd QZ |
200 | struct virtchnl_fdir_pattern_match_item { |
201 | enum virtchnl_proto_hdr_type *list; | |
202 | u64 input_set; | |
203 | u64 *meta; | |
204 | }; | |
205 | ||
21606584 QZ |
206 | static const struct virtchnl_fdir_pattern_match_item vc_fdir_pattern_os[] = { |
207 | {vc_pattern_ipv4, 0, NULL}, | |
208 | {vc_pattern_ipv4_tcp, 0, NULL}, | |
209 | {vc_pattern_ipv4_udp, 0, NULL}, | |
210 | {vc_pattern_ipv4_sctp, 0, NULL}, | |
211 | {vc_pattern_ipv6, 0, NULL}, | |
212 | {vc_pattern_ipv6_tcp, 0, NULL}, | |
213 | {vc_pattern_ipv6_udp, 0, NULL}, | |
214 | {vc_pattern_ipv6_sctp, 0, NULL}, | |
215 | }; | |
216 | ||
217 | static const struct virtchnl_fdir_pattern_match_item vc_fdir_pattern_comms[] = { | |
0ce332fd QZ |
218 | {vc_pattern_ipv4, 0, NULL}, |
219 | {vc_pattern_ipv4_tcp, 0, NULL}, | |
220 | {vc_pattern_ipv4_udp, 0, NULL}, | |
221 | {vc_pattern_ipv4_sctp, 0, NULL}, | |
222 | {vc_pattern_ipv6, 0, NULL}, | |
223 | {vc_pattern_ipv6_tcp, 0, NULL}, | |
224 | {vc_pattern_ipv6_udp, 0, NULL}, | |
225 | {vc_pattern_ipv6_sctp, 0, NULL}, | |
21606584 | 226 | {vc_pattern_ether, 0, NULL}, |
ef9e4cc5 QZ |
227 | {vc_pattern_ipv4_gtpu, 0, NULL}, |
228 | {vc_pattern_ipv4_gtpu_eh, 0, NULL}, | |
213528fe QZ |
229 | {vc_pattern_ipv4_l2tpv3, 0, NULL}, |
230 | {vc_pattern_ipv6_l2tpv3, 0, NULL}, | |
231 | {vc_pattern_ipv4_esp, 0, NULL}, | |
232 | {vc_pattern_ipv6_esp, 0, NULL}, | |
233 | {vc_pattern_ipv4_ah, 0, NULL}, | |
234 | {vc_pattern_ipv6_ah, 0, NULL}, | |
235 | {vc_pattern_ipv4_nat_t_esp, 0, NULL}, | |
236 | {vc_pattern_ipv6_nat_t_esp, 0, NULL}, | |
237 | {vc_pattern_ipv4_pfcp, 0, NULL}, | |
238 | {vc_pattern_ipv6_pfcp, 0, NULL}, | |
0ce332fd QZ |
239 | }; |
240 | ||
1f7ea1cd QZ |
241 | struct virtchnl_fdir_inset_map { |
242 | enum virtchnl_proto_hdr_field field; | |
243 | enum ice_flow_field fld; | |
213528fe QZ |
244 | u64 flag; |
245 | u64 mask; | |
1f7ea1cd QZ |
246 | }; |
247 | ||
248 | static const struct virtchnl_fdir_inset_map fdir_inset_map[] = { | |
213528fe QZ |
249 | {VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE, ICE_FLOW_FIELD_IDX_ETH_TYPE, 0, 0}, |
250 | {VIRTCHNL_PROTO_HDR_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA, 0, 0}, | |
251 | {VIRTCHNL_PROTO_HDR_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA, 0, 0}, | |
252 | {VIRTCHNL_PROTO_HDR_IPV4_DSCP, ICE_FLOW_FIELD_IDX_IPV4_DSCP, 0, 0}, | |
253 | {VIRTCHNL_PROTO_HDR_IPV4_TTL, ICE_FLOW_FIELD_IDX_IPV4_TTL, 0, 0}, | |
254 | {VIRTCHNL_PROTO_HDR_IPV4_PROT, ICE_FLOW_FIELD_IDX_IPV4_PROT, 0, 0}, | |
255 | {VIRTCHNL_PROTO_HDR_IPV6_SRC, ICE_FLOW_FIELD_IDX_IPV6_SA, 0, 0}, | |
256 | {VIRTCHNL_PROTO_HDR_IPV6_DST, ICE_FLOW_FIELD_IDX_IPV6_DA, 0, 0}, | |
257 | {VIRTCHNL_PROTO_HDR_IPV6_TC, ICE_FLOW_FIELD_IDX_IPV6_DSCP, 0, 0}, | |
258 | {VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT, ICE_FLOW_FIELD_IDX_IPV6_TTL, 0, 0}, | |
259 | {VIRTCHNL_PROTO_HDR_IPV6_PROT, ICE_FLOW_FIELD_IDX_IPV6_PROT, 0, 0}, | |
260 | {VIRTCHNL_PROTO_HDR_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT, 0, 0}, | |
261 | {VIRTCHNL_PROTO_HDR_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT, 0, 0}, | |
262 | {VIRTCHNL_PROTO_HDR_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT, 0, 0}, | |
263 | {VIRTCHNL_PROTO_HDR_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT, 0, 0}, | |
264 | {VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT, 0, 0}, | |
265 | {VIRTCHNL_PROTO_HDR_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT, 0, 0}, | |
266 | {VIRTCHNL_PROTO_HDR_GTPU_IP_TEID, ICE_FLOW_FIELD_IDX_GTPU_IP_TEID, 0, 0}, | |
267 | {VIRTCHNL_PROTO_HDR_GTPU_EH_QFI, ICE_FLOW_FIELD_IDX_GTPU_EH_QFI, 0, 0}, | |
268 | {VIRTCHNL_PROTO_HDR_ESP_SPI, ICE_FLOW_FIELD_IDX_ESP_SPI, | |
269 | FDIR_INSET_FLAG_ESP_IPSEC, FDIR_INSET_FLAG_ESP_M}, | |
270 | {VIRTCHNL_PROTO_HDR_ESP_SPI, ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI, | |
271 | FDIR_INSET_FLAG_ESP_UDP, FDIR_INSET_FLAG_ESP_M}, | |
272 | {VIRTCHNL_PROTO_HDR_AH_SPI, ICE_FLOW_FIELD_IDX_AH_SPI, 0, 0}, | |
273 | {VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID, ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID, 0, 0}, | |
274 | {VIRTCHNL_PROTO_HDR_PFCP_S_FIELD, ICE_FLOW_FIELD_IDX_UDP_DST_PORT, 0, 0}, | |
1f7ea1cd QZ |
275 | }; |
276 | ||
277 | /** | |
278 | * ice_vc_fdir_param_check | |
279 | * @vf: pointer to the VF structure | |
280 | * @vsi_id: VF relative VSI ID | |
281 | * | |
282 | * Check for the valid VSI ID, PF's state and VF's state | |
283 | * | |
284 | * Return: 0 on success, and -EINVAL on error. | |
285 | */ | |
286 | static int | |
287 | ice_vc_fdir_param_check(struct ice_vf *vf, u16 vsi_id) | |
288 | { | |
289 | struct ice_pf *pf = vf->pf; | |
290 | ||
291 | if (!test_bit(ICE_FLAG_FD_ENA, pf->flags)) | |
292 | return -EINVAL; | |
293 | ||
294 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
295 | return -EINVAL; | |
296 | ||
297 | if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF)) | |
298 | return -EINVAL; | |
299 | ||
300 | if (vsi_id != vf->lan_vsi_num) | |
301 | return -EINVAL; | |
302 | ||
303 | if (!ice_vc_isvalid_vsi_id(vf, vsi_id)) | |
304 | return -EINVAL; | |
305 | ||
306 | if (!pf->vsi[vf->lan_vsi_idx]) | |
307 | return -EINVAL; | |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
312 | /** | |
313 | * ice_vf_start_ctrl_vsi | |
314 | * @vf: pointer to the VF structure | |
315 | * | |
316 | * Allocate ctrl_vsi for the first time and open the ctrl_vsi port for VF | |
317 | * | |
318 | * Return: 0 on success, and other on error. | |
319 | */ | |
320 | static int ice_vf_start_ctrl_vsi(struct ice_vf *vf) | |
321 | { | |
322 | struct ice_pf *pf = vf->pf; | |
323 | struct ice_vsi *ctrl_vsi; | |
324 | struct device *dev; | |
325 | int err; | |
326 | ||
327 | dev = ice_pf_to_dev(pf); | |
328 | if (vf->ctrl_vsi_idx != ICE_NO_VSI) | |
329 | return -EEXIST; | |
330 | ||
331 | ctrl_vsi = ice_vf_ctrl_vsi_setup(vf); | |
332 | if (!ctrl_vsi) { | |
333 | dev_dbg(dev, "Could not setup control VSI for VF %d\n", | |
334 | vf->vf_id); | |
335 | return -ENOMEM; | |
336 | } | |
337 | ||
338 | err = ice_vsi_open_ctrl(ctrl_vsi); | |
339 | if (err) { | |
340 | dev_dbg(dev, "Could not open control VSI for VF %d\n", | |
341 | vf->vf_id); | |
342 | goto err_vsi_open; | |
343 | } | |
344 | ||
345 | return 0; | |
346 | ||
347 | err_vsi_open: | |
348 | ice_vsi_release(ctrl_vsi); | |
349 | if (vf->ctrl_vsi_idx != ICE_NO_VSI) { | |
350 | pf->vsi[vf->ctrl_vsi_idx] = NULL; | |
351 | vf->ctrl_vsi_idx = ICE_NO_VSI; | |
352 | } | |
353 | return err; | |
354 | } | |
355 | ||
356 | /** | |
357 | * ice_vc_fdir_alloc_prof - allocate profile for this filter flow type | |
358 | * @vf: pointer to the VF structure | |
359 | * @flow: filter flow type | |
360 | * | |
361 | * Return: 0 on success, and other on error. | |
362 | */ | |
363 | static int | |
364 | ice_vc_fdir_alloc_prof(struct ice_vf *vf, enum ice_fltr_ptype flow) | |
365 | { | |
366 | struct ice_vf_fdir *fdir = &vf->fdir; | |
367 | ||
368 | if (!fdir->fdir_prof) { | |
369 | fdir->fdir_prof = devm_kcalloc(ice_pf_to_dev(vf->pf), | |
370 | ICE_FLTR_PTYPE_MAX, | |
371 | sizeof(*fdir->fdir_prof), | |
372 | GFP_KERNEL); | |
373 | if (!fdir->fdir_prof) | |
374 | return -ENOMEM; | |
375 | } | |
376 | ||
377 | if (!fdir->fdir_prof[flow]) { | |
378 | fdir->fdir_prof[flow] = devm_kzalloc(ice_pf_to_dev(vf->pf), | |
379 | sizeof(**fdir->fdir_prof), | |
380 | GFP_KERNEL); | |
381 | if (!fdir->fdir_prof[flow]) | |
382 | return -ENOMEM; | |
383 | } | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | /** | |
389 | * ice_vc_fdir_free_prof - free profile for this filter flow type | |
390 | * @vf: pointer to the VF structure | |
391 | * @flow: filter flow type | |
392 | */ | |
393 | static void | |
394 | ice_vc_fdir_free_prof(struct ice_vf *vf, enum ice_fltr_ptype flow) | |
395 | { | |
396 | struct ice_vf_fdir *fdir = &vf->fdir; | |
397 | ||
398 | if (!fdir->fdir_prof) | |
399 | return; | |
400 | ||
401 | if (!fdir->fdir_prof[flow]) | |
402 | return; | |
403 | ||
404 | devm_kfree(ice_pf_to_dev(vf->pf), fdir->fdir_prof[flow]); | |
405 | fdir->fdir_prof[flow] = NULL; | |
406 | } | |
407 | ||
408 | /** | |
409 | * ice_vc_fdir_free_prof_all - free all the profile for this VF | |
410 | * @vf: pointer to the VF structure | |
411 | */ | |
412 | static void ice_vc_fdir_free_prof_all(struct ice_vf *vf) | |
413 | { | |
414 | struct ice_vf_fdir *fdir = &vf->fdir; | |
415 | enum ice_fltr_ptype flow; | |
416 | ||
417 | if (!fdir->fdir_prof) | |
418 | return; | |
419 | ||
420 | for (flow = ICE_FLTR_PTYPE_NONF_NONE; flow < ICE_FLTR_PTYPE_MAX; flow++) | |
421 | ice_vc_fdir_free_prof(vf, flow); | |
422 | ||
423 | devm_kfree(ice_pf_to_dev(vf->pf), fdir->fdir_prof); | |
424 | fdir->fdir_prof = NULL; | |
425 | } | |
426 | ||
427 | /** | |
428 | * ice_vc_fdir_parse_flow_fld | |
429 | * @proto_hdr: virtual channel protocol filter header | |
430 | * @conf: FDIR configuration for each filter | |
431 | * @fld: field type array | |
432 | * @fld_cnt: field counter | |
433 | * | |
434 | * Parse the virtual channel filter header and store them into field type array | |
435 | * | |
436 | * Return: 0 on success, and other on error. | |
437 | */ | |
438 | static int | |
439 | ice_vc_fdir_parse_flow_fld(struct virtchnl_proto_hdr *proto_hdr, | |
440 | struct virtchnl_fdir_fltr_conf *conf, | |
441 | enum ice_flow_field *fld, int *fld_cnt) | |
442 | { | |
443 | struct virtchnl_proto_hdr hdr; | |
444 | u32 i; | |
445 | ||
446 | memcpy(&hdr, proto_hdr, sizeof(hdr)); | |
447 | ||
448 | for (i = 0; (i < ARRAY_SIZE(fdir_inset_map)) && | |
449 | VIRTCHNL_GET_PROTO_HDR_FIELD(&hdr); i++) | |
450 | if (VIRTCHNL_TEST_PROTO_HDR(&hdr, fdir_inset_map[i].field)) { | |
213528fe QZ |
451 | if (fdir_inset_map[i].mask && |
452 | ((fdir_inset_map[i].mask & conf->inset_flag) != | |
453 | fdir_inset_map[i].flag)) | |
454 | continue; | |
455 | ||
1f7ea1cd QZ |
456 | fld[*fld_cnt] = fdir_inset_map[i].fld; |
457 | *fld_cnt += 1; | |
458 | if (*fld_cnt >= ICE_FLOW_FIELD_IDX_MAX) | |
459 | return -EINVAL; | |
460 | VIRTCHNL_DEL_PROTO_HDR_FIELD(&hdr, | |
461 | fdir_inset_map[i].field); | |
462 | } | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
467 | /** | |
468 | * ice_vc_fdir_set_flow_fld | |
469 | * @vf: pointer to the VF structure | |
470 | * @fltr: virtual channel add cmd buffer | |
471 | * @conf: FDIR configuration for each filter | |
472 | * @seg: array of one or more packet segments that describe the flow | |
473 | * | |
474 | * Parse the virtual channel add msg buffer's field vector and store them into | |
475 | * flow's packet segment field | |
476 | * | |
477 | * Return: 0 on success, and other on error. | |
478 | */ | |
479 | static int | |
480 | ice_vc_fdir_set_flow_fld(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
481 | struct virtchnl_fdir_fltr_conf *conf, | |
482 | struct ice_flow_seg_info *seg) | |
483 | { | |
484 | struct virtchnl_fdir_rule *rule = &fltr->rule_cfg; | |
485 | enum ice_flow_field fld[ICE_FLOW_FIELD_IDX_MAX]; | |
486 | struct device *dev = ice_pf_to_dev(vf->pf); | |
487 | struct virtchnl_proto_hdrs *proto; | |
488 | int fld_cnt = 0; | |
489 | int i; | |
490 | ||
491 | proto = &rule->proto_hdrs; | |
492 | for (i = 0; i < proto->count; i++) { | |
493 | struct virtchnl_proto_hdr *hdr = &proto->proto_hdr[i]; | |
494 | int ret; | |
495 | ||
496 | ret = ice_vc_fdir_parse_flow_fld(hdr, conf, fld, &fld_cnt); | |
497 | if (ret) | |
498 | return ret; | |
499 | } | |
500 | ||
501 | if (fld_cnt == 0) { | |
502 | dev_dbg(dev, "Empty input set for VF %d\n", vf->vf_id); | |
503 | return -EINVAL; | |
504 | } | |
505 | ||
506 | for (i = 0; i < fld_cnt; i++) | |
507 | ice_flow_set_fld(seg, fld[i], | |
508 | ICE_FLOW_FLD_OFF_INVAL, | |
509 | ICE_FLOW_FLD_OFF_INVAL, | |
510 | ICE_FLOW_FLD_OFF_INVAL, false); | |
511 | ||
512 | return 0; | |
513 | } | |
514 | ||
515 | /** | |
516 | * ice_vc_fdir_set_flow_hdr - config the flow's packet segment header | |
517 | * @vf: pointer to the VF structure | |
518 | * @conf: FDIR configuration for each filter | |
519 | * @seg: array of one or more packet segments that describe the flow | |
520 | * | |
521 | * Return: 0 on success, and other on error. | |
522 | */ | |
523 | static int | |
524 | ice_vc_fdir_set_flow_hdr(struct ice_vf *vf, | |
525 | struct virtchnl_fdir_fltr_conf *conf, | |
526 | struct ice_flow_seg_info *seg) | |
527 | { | |
528 | enum ice_fltr_ptype flow = conf->input.flow_type; | |
ef9e4cc5 | 529 | enum ice_fdir_tunnel_type ttype = conf->ttype; |
1f7ea1cd QZ |
530 | struct device *dev = ice_pf_to_dev(vf->pf); |
531 | ||
532 | switch (flow) { | |
21606584 QZ |
533 | case ICE_FLTR_PTYPE_NON_IP_L2: |
534 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ETH_NON_IP); | |
535 | break; | |
213528fe QZ |
536 | case ICE_FLTR_PTYPE_NONF_IPV4_L2TPV3: |
537 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_L2TPV3 | | |
538 | ICE_FLOW_SEG_HDR_IPV4 | | |
539 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
540 | break; | |
541 | case ICE_FLTR_PTYPE_NONF_IPV4_ESP: | |
542 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ESP | | |
543 | ICE_FLOW_SEG_HDR_IPV4 | | |
544 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
545 | break; | |
546 | case ICE_FLTR_PTYPE_NONF_IPV4_AH: | |
547 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_AH | | |
548 | ICE_FLOW_SEG_HDR_IPV4 | | |
549 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
550 | break; | |
551 | case ICE_FLTR_PTYPE_NONF_IPV4_NAT_T_ESP: | |
552 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_NAT_T_ESP | | |
553 | ICE_FLOW_SEG_HDR_IPV4 | | |
554 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
555 | break; | |
556 | case ICE_FLTR_PTYPE_NONF_IPV4_PFCP_NODE: | |
557 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_NODE | | |
558 | ICE_FLOW_SEG_HDR_IPV4 | | |
559 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
560 | break; | |
561 | case ICE_FLTR_PTYPE_NONF_IPV4_PFCP_SESSION: | |
562 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_SESSION | | |
563 | ICE_FLOW_SEG_HDR_IPV4 | | |
564 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
565 | break; | |
1f7ea1cd QZ |
566 | case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: |
567 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4 | | |
568 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
569 | break; | |
570 | case ICE_FLTR_PTYPE_NONF_IPV4_TCP: | |
571 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP | | |
572 | ICE_FLOW_SEG_HDR_IPV4 | | |
573 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
574 | break; | |
575 | case ICE_FLTR_PTYPE_NONF_IPV4_UDP: | |
576 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP | | |
577 | ICE_FLOW_SEG_HDR_IPV4 | | |
578 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
579 | break; | |
ef9e4cc5 QZ |
580 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP: |
581 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP: | |
582 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP: | |
583 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER: | |
584 | if (ttype == ICE_FDIR_TUNNEL_TYPE_GTPU) { | |
585 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_IP | | |
586 | ICE_FLOW_SEG_HDR_IPV4 | | |
587 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
588 | } else if (ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_EH) { | |
589 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_EH | | |
590 | ICE_FLOW_SEG_HDR_GTPU_IP | | |
591 | ICE_FLOW_SEG_HDR_IPV4 | | |
592 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
593 | } else { | |
594 | dev_dbg(dev, "Invalid tunnel type 0x%x for VF %d\n", | |
595 | flow, vf->vf_id); | |
596 | return -EINVAL; | |
597 | } | |
598 | break; | |
1f7ea1cd QZ |
599 | case ICE_FLTR_PTYPE_NONF_IPV4_SCTP: |
600 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP | | |
601 | ICE_FLOW_SEG_HDR_IPV4 | | |
602 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
603 | break; | |
213528fe QZ |
604 | case ICE_FLTR_PTYPE_NONF_IPV6_L2TPV3: |
605 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_L2TPV3 | | |
606 | ICE_FLOW_SEG_HDR_IPV6 | | |
607 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
608 | break; | |
609 | case ICE_FLTR_PTYPE_NONF_IPV6_ESP: | |
610 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ESP | | |
611 | ICE_FLOW_SEG_HDR_IPV6 | | |
612 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
613 | break; | |
614 | case ICE_FLTR_PTYPE_NONF_IPV6_AH: | |
615 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_AH | | |
616 | ICE_FLOW_SEG_HDR_IPV6 | | |
617 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
618 | break; | |
619 | case ICE_FLTR_PTYPE_NONF_IPV6_NAT_T_ESP: | |
620 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_NAT_T_ESP | | |
621 | ICE_FLOW_SEG_HDR_IPV6 | | |
622 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
623 | break; | |
624 | case ICE_FLTR_PTYPE_NONF_IPV6_PFCP_NODE: | |
625 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_NODE | | |
626 | ICE_FLOW_SEG_HDR_IPV6 | | |
627 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
628 | break; | |
629 | case ICE_FLTR_PTYPE_NONF_IPV6_PFCP_SESSION: | |
630 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_SESSION | | |
631 | ICE_FLOW_SEG_HDR_IPV6 | | |
632 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
633 | break; | |
1f7ea1cd QZ |
634 | case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: |
635 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6 | | |
636 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
637 | break; | |
638 | case ICE_FLTR_PTYPE_NONF_IPV6_TCP: | |
639 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP | | |
640 | ICE_FLOW_SEG_HDR_IPV6 | | |
641 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
642 | break; | |
643 | case ICE_FLTR_PTYPE_NONF_IPV6_UDP: | |
644 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP | | |
645 | ICE_FLOW_SEG_HDR_IPV6 | | |
646 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
647 | break; | |
648 | case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: | |
649 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP | | |
650 | ICE_FLOW_SEG_HDR_IPV6 | | |
651 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
652 | break; | |
653 | default: | |
654 | dev_dbg(dev, "Invalid flow type 0x%x for VF %d failed\n", | |
655 | flow, vf->vf_id); | |
656 | return -EINVAL; | |
657 | } | |
658 | ||
659 | return 0; | |
660 | } | |
661 | ||
662 | /** | |
663 | * ice_vc_fdir_rem_prof - remove profile for this filter flow type | |
664 | * @vf: pointer to the VF structure | |
665 | * @flow: filter flow type | |
666 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
667 | */ | |
668 | static void | |
669 | ice_vc_fdir_rem_prof(struct ice_vf *vf, enum ice_fltr_ptype flow, int tun) | |
670 | { | |
671 | struct ice_vf_fdir *fdir = &vf->fdir; | |
672 | struct ice_fd_hw_prof *vf_prof; | |
673 | struct ice_pf *pf = vf->pf; | |
674 | struct ice_vsi *vf_vsi; | |
675 | struct device *dev; | |
676 | struct ice_hw *hw; | |
677 | u64 prof_id; | |
678 | int i; | |
679 | ||
680 | dev = ice_pf_to_dev(pf); | |
681 | hw = &pf->hw; | |
682 | if (!fdir->fdir_prof || !fdir->fdir_prof[flow]) | |
683 | return; | |
684 | ||
685 | vf_prof = fdir->fdir_prof[flow]; | |
686 | ||
687 | vf_vsi = pf->vsi[vf->lan_vsi_idx]; | |
688 | if (!vf_vsi) { | |
689 | dev_dbg(dev, "NULL vf %d vsi pointer\n", vf->vf_id); | |
690 | return; | |
691 | } | |
692 | ||
693 | if (!fdir->prof_entry_cnt[flow][tun]) | |
694 | return; | |
695 | ||
696 | prof_id = ICE_FLOW_PROF_FD(vf_vsi->vsi_num, | |
697 | flow, tun ? ICE_FLTR_PTYPE_MAX : 0); | |
698 | ||
699 | for (i = 0; i < fdir->prof_entry_cnt[flow][tun]; i++) | |
700 | if (vf_prof->entry_h[i][tun]) { | |
701 | u16 vsi_num = ice_get_hw_vsi_num(hw, vf_prof->vsi_h[i]); | |
702 | ||
703 | ice_rem_prof_id_flow(hw, ICE_BLK_FD, vsi_num, prof_id); | |
704 | ice_flow_rem_entry(hw, ICE_BLK_FD, | |
705 | vf_prof->entry_h[i][tun]); | |
706 | vf_prof->entry_h[i][tun] = 0; | |
707 | } | |
708 | ||
709 | ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id); | |
710 | devm_kfree(dev, vf_prof->fdir_seg[tun]); | |
711 | vf_prof->fdir_seg[tun] = NULL; | |
712 | ||
713 | for (i = 0; i < vf_prof->cnt; i++) | |
714 | vf_prof->vsi_h[i] = 0; | |
715 | ||
716 | fdir->prof_entry_cnt[flow][tun] = 0; | |
717 | } | |
718 | ||
719 | /** | |
720 | * ice_vc_fdir_rem_prof_all - remove profile for this VF | |
721 | * @vf: pointer to the VF structure | |
722 | */ | |
723 | static void ice_vc_fdir_rem_prof_all(struct ice_vf *vf) | |
724 | { | |
725 | enum ice_fltr_ptype flow; | |
726 | ||
727 | for (flow = ICE_FLTR_PTYPE_NONF_NONE; | |
728 | flow < ICE_FLTR_PTYPE_MAX; flow++) { | |
729 | ice_vc_fdir_rem_prof(vf, flow, 0); | |
730 | ice_vc_fdir_rem_prof(vf, flow, 1); | |
731 | } | |
732 | } | |
733 | ||
734 | /** | |
735 | * ice_vc_fdir_write_flow_prof | |
736 | * @vf: pointer to the VF structure | |
737 | * @flow: filter flow type | |
738 | * @seg: array of one or more packet segments that describe the flow | |
739 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
740 | * | |
741 | * Write the flow's profile config and packet segment into the hardware | |
742 | * | |
743 | * Return: 0 on success, and other on error. | |
744 | */ | |
745 | static int | |
746 | ice_vc_fdir_write_flow_prof(struct ice_vf *vf, enum ice_fltr_ptype flow, | |
747 | struct ice_flow_seg_info *seg, int tun) | |
748 | { | |
749 | struct ice_vf_fdir *fdir = &vf->fdir; | |
750 | struct ice_vsi *vf_vsi, *ctrl_vsi; | |
751 | struct ice_flow_seg_info *old_seg; | |
752 | struct ice_flow_prof *prof = NULL; | |
753 | struct ice_fd_hw_prof *vf_prof; | |
754 | enum ice_status status; | |
755 | struct device *dev; | |
756 | struct ice_pf *pf; | |
757 | struct ice_hw *hw; | |
758 | u64 entry1_h = 0; | |
759 | u64 entry2_h = 0; | |
760 | u64 prof_id; | |
761 | int ret; | |
762 | ||
763 | pf = vf->pf; | |
764 | dev = ice_pf_to_dev(pf); | |
765 | hw = &pf->hw; | |
766 | vf_vsi = pf->vsi[vf->lan_vsi_idx]; | |
767 | if (!vf_vsi) | |
768 | return -EINVAL; | |
769 | ||
770 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
771 | if (!ctrl_vsi) | |
772 | return -EINVAL; | |
773 | ||
774 | vf_prof = fdir->fdir_prof[flow]; | |
775 | old_seg = vf_prof->fdir_seg[tun]; | |
776 | if (old_seg) { | |
777 | if (!memcmp(old_seg, seg, sizeof(*seg))) { | |
778 | dev_dbg(dev, "Duplicated profile for VF %d!\n", | |
779 | vf->vf_id); | |
780 | return -EEXIST; | |
781 | } | |
782 | ||
783 | if (fdir->fdir_fltr_cnt[flow][tun]) { | |
784 | ret = -EINVAL; | |
785 | dev_dbg(dev, "Input set conflicts for VF %d\n", | |
786 | vf->vf_id); | |
787 | goto err_exit; | |
788 | } | |
789 | ||
790 | /* remove previously allocated profile */ | |
791 | ice_vc_fdir_rem_prof(vf, flow, tun); | |
792 | } | |
793 | ||
794 | prof_id = ICE_FLOW_PROF_FD(vf_vsi->vsi_num, flow, | |
795 | tun ? ICE_FLTR_PTYPE_MAX : 0); | |
796 | ||
797 | status = ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, prof_id, seg, | |
798 | tun + 1, &prof); | |
799 | ret = ice_status_to_errno(status); | |
800 | if (ret) { | |
801 | dev_dbg(dev, "Could not add VSI flow 0x%x for VF %d\n", | |
802 | flow, vf->vf_id); | |
803 | goto err_exit; | |
804 | } | |
805 | ||
806 | status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vf_vsi->idx, | |
807 | vf_vsi->idx, ICE_FLOW_PRIO_NORMAL, | |
808 | seg, &entry1_h); | |
809 | ret = ice_status_to_errno(status); | |
810 | if (ret) { | |
811 | dev_dbg(dev, "Could not add flow 0x%x VSI entry for VF %d\n", | |
812 | flow, vf->vf_id); | |
813 | goto err_prof; | |
814 | } | |
815 | ||
816 | status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vf_vsi->idx, | |
817 | ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL, | |
818 | seg, &entry2_h); | |
819 | ret = ice_status_to_errno(status); | |
820 | if (ret) { | |
821 | dev_dbg(dev, | |
822 | "Could not add flow 0x%x Ctrl VSI entry for VF %d\n", | |
823 | flow, vf->vf_id); | |
824 | goto err_entry_1; | |
825 | } | |
826 | ||
827 | vf_prof->fdir_seg[tun] = seg; | |
828 | vf_prof->cnt = 0; | |
829 | fdir->prof_entry_cnt[flow][tun] = 0; | |
830 | ||
831 | vf_prof->entry_h[vf_prof->cnt][tun] = entry1_h; | |
832 | vf_prof->vsi_h[vf_prof->cnt] = vf_vsi->idx; | |
833 | vf_prof->cnt++; | |
834 | fdir->prof_entry_cnt[flow][tun]++; | |
835 | ||
836 | vf_prof->entry_h[vf_prof->cnt][tun] = entry2_h; | |
837 | vf_prof->vsi_h[vf_prof->cnt] = ctrl_vsi->idx; | |
838 | vf_prof->cnt++; | |
839 | fdir->prof_entry_cnt[flow][tun]++; | |
840 | ||
841 | return 0; | |
842 | ||
843 | err_entry_1: | |
844 | ice_rem_prof_id_flow(hw, ICE_BLK_FD, | |
845 | ice_get_hw_vsi_num(hw, vf_vsi->idx), prof_id); | |
846 | ice_flow_rem_entry(hw, ICE_BLK_FD, entry1_h); | |
847 | err_prof: | |
848 | ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id); | |
849 | err_exit: | |
850 | return ret; | |
851 | } | |
852 | ||
853 | /** | |
854 | * ice_vc_fdir_config_input_set | |
855 | * @vf: pointer to the VF structure | |
856 | * @fltr: virtual channel add cmd buffer | |
857 | * @conf: FDIR configuration for each filter | |
858 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
859 | * | |
860 | * Config the input set type and value for virtual channel add msg buffer | |
861 | * | |
862 | * Return: 0 on success, and other on error. | |
863 | */ | |
864 | static int | |
865 | ice_vc_fdir_config_input_set(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
866 | struct virtchnl_fdir_fltr_conf *conf, int tun) | |
867 | { | |
868 | struct ice_fdir_fltr *input = &conf->input; | |
869 | struct device *dev = ice_pf_to_dev(vf->pf); | |
870 | struct ice_flow_seg_info *seg; | |
871 | enum ice_fltr_ptype flow; | |
872 | int ret; | |
873 | ||
874 | flow = input->flow_type; | |
875 | ret = ice_vc_fdir_alloc_prof(vf, flow); | |
876 | if (ret) { | |
877 | dev_dbg(dev, "Alloc flow prof for VF %d failed\n", vf->vf_id); | |
878 | return ret; | |
879 | } | |
880 | ||
881 | seg = devm_kzalloc(dev, sizeof(*seg), GFP_KERNEL); | |
882 | if (!seg) | |
883 | return -ENOMEM; | |
884 | ||
885 | ret = ice_vc_fdir_set_flow_fld(vf, fltr, conf, seg); | |
886 | if (ret) { | |
887 | dev_dbg(dev, "Set flow field for VF %d failed\n", vf->vf_id); | |
888 | goto err_exit; | |
889 | } | |
890 | ||
891 | ret = ice_vc_fdir_set_flow_hdr(vf, conf, seg); | |
892 | if (ret) { | |
893 | dev_dbg(dev, "Set flow hdr for VF %d failed\n", vf->vf_id); | |
894 | goto err_exit; | |
895 | } | |
896 | ||
897 | ret = ice_vc_fdir_write_flow_prof(vf, flow, seg, tun); | |
898 | if (ret == -EEXIST) { | |
899 | devm_kfree(dev, seg); | |
900 | } else if (ret) { | |
901 | dev_dbg(dev, "Write flow profile for VF %d failed\n", | |
902 | vf->vf_id); | |
903 | goto err_exit; | |
904 | } | |
905 | ||
906 | return 0; | |
907 | ||
908 | err_exit: | |
909 | devm_kfree(dev, seg); | |
910 | return ret; | |
911 | } | |
912 | ||
0ce332fd QZ |
913 | /** |
914 | * ice_vc_fdir_match_pattern | |
915 | * @fltr: virtual channel add cmd buffer | |
916 | * @type: virtual channel protocol filter header type | |
917 | * | |
918 | * Matching the header type by comparing fltr and type's value. | |
919 | * | |
920 | * Return: true on success, and false on error. | |
921 | */ | |
922 | static bool | |
923 | ice_vc_fdir_match_pattern(struct virtchnl_fdir_add *fltr, | |
924 | enum virtchnl_proto_hdr_type *type) | |
925 | { | |
926 | struct virtchnl_proto_hdrs *proto = &fltr->rule_cfg.proto_hdrs; | |
927 | int i = 0; | |
928 | ||
929 | while ((i < proto->count) && | |
930 | (*type == proto->proto_hdr[i].type) && | |
931 | (*type != VIRTCHNL_PROTO_HDR_NONE)) { | |
932 | type++; | |
933 | i++; | |
934 | } | |
935 | ||
936 | return ((i == proto->count) && (*type == VIRTCHNL_PROTO_HDR_NONE)); | |
937 | } | |
938 | ||
939 | /** | |
940 | * ice_vc_fdir_get_pattern - get while list pattern | |
941 | * @vf: pointer to the VF info | |
942 | * @len: filter list length | |
943 | * | |
944 | * Return: pointer to allowed filter list | |
945 | */ | |
946 | static const struct virtchnl_fdir_pattern_match_item * | |
947 | ice_vc_fdir_get_pattern(struct ice_vf *vf, int *len) | |
948 | { | |
949 | const struct virtchnl_fdir_pattern_match_item *item; | |
21606584 QZ |
950 | struct ice_pf *pf = vf->pf; |
951 | struct ice_hw *hw; | |
0ce332fd | 952 | |
21606584 QZ |
953 | hw = &pf->hw; |
954 | if (!strncmp(hw->active_pkg_name, "ICE COMMS Package", | |
955 | sizeof(hw->active_pkg_name))) { | |
956 | item = vc_fdir_pattern_comms; | |
957 | *len = ARRAY_SIZE(vc_fdir_pattern_comms); | |
958 | } else { | |
959 | item = vc_fdir_pattern_os; | |
960 | *len = ARRAY_SIZE(vc_fdir_pattern_os); | |
961 | } | |
0ce332fd QZ |
962 | |
963 | return item; | |
964 | } | |
965 | ||
966 | /** | |
967 | * ice_vc_fdir_search_pattern | |
968 | * @vf: pointer to the VF info | |
969 | * @fltr: virtual channel add cmd buffer | |
970 | * | |
971 | * Search for matched pattern from supported pattern list | |
972 | * | |
973 | * Return: 0 on success, and other on error. | |
974 | */ | |
975 | static int | |
976 | ice_vc_fdir_search_pattern(struct ice_vf *vf, struct virtchnl_fdir_add *fltr) | |
977 | { | |
978 | const struct virtchnl_fdir_pattern_match_item *pattern; | |
979 | int len, i; | |
980 | ||
981 | pattern = ice_vc_fdir_get_pattern(vf, &len); | |
982 | ||
983 | for (i = 0; i < len; i++) | |
984 | if (ice_vc_fdir_match_pattern(fltr, pattern[i].list)) | |
985 | return 0; | |
986 | ||
987 | return -EINVAL; | |
988 | } | |
989 | ||
990 | /** | |
991 | * ice_vc_fdir_parse_pattern | |
992 | * @vf: pointer to the VF info | |
993 | * @fltr: virtual channel add cmd buffer | |
994 | * @conf: FDIR configuration for each filter | |
995 | * | |
996 | * Parse the virtual channel filter's pattern and store them into conf | |
997 | * | |
998 | * Return: 0 on success, and other on error. | |
999 | */ | |
1000 | static int | |
1001 | ice_vc_fdir_parse_pattern(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
1002 | struct virtchnl_fdir_fltr_conf *conf) | |
1003 | { | |
1004 | struct virtchnl_proto_hdrs *proto = &fltr->rule_cfg.proto_hdrs; | |
1005 | enum virtchnl_proto_hdr_type l3 = VIRTCHNL_PROTO_HDR_NONE; | |
213528fe | 1006 | enum virtchnl_proto_hdr_type l4 = VIRTCHNL_PROTO_HDR_NONE; |
0ce332fd QZ |
1007 | struct device *dev = ice_pf_to_dev(vf->pf); |
1008 | struct ice_fdir_fltr *input = &conf->input; | |
1009 | int i; | |
1010 | ||
1011 | if (proto->count > VIRTCHNL_MAX_NUM_PROTO_HDRS) { | |
1012 | dev_dbg(dev, "Invalid protocol count:0x%x for VF %d\n", | |
1013 | proto->count, vf->vf_id); | |
1014 | return -EINVAL; | |
1015 | } | |
1016 | ||
1017 | for (i = 0; i < proto->count; i++) { | |
1018 | struct virtchnl_proto_hdr *hdr = &proto->proto_hdr[i]; | |
213528fe QZ |
1019 | struct ip_esp_hdr *esph; |
1020 | struct ip_auth_hdr *ah; | |
0ce332fd QZ |
1021 | struct sctphdr *sctph; |
1022 | struct ipv6hdr *ip6h; | |
1023 | struct udphdr *udph; | |
1024 | struct tcphdr *tcph; | |
21606584 | 1025 | struct ethhdr *eth; |
0ce332fd | 1026 | struct iphdr *iph; |
213528fe | 1027 | u8 s_field; |
ef9e4cc5 | 1028 | u8 *rawh; |
0ce332fd QZ |
1029 | |
1030 | switch (hdr->type) { | |
1031 | case VIRTCHNL_PROTO_HDR_ETH: | |
21606584 QZ |
1032 | eth = (struct ethhdr *)hdr->buffer; |
1033 | input->flow_type = ICE_FLTR_PTYPE_NON_IP_L2; | |
1034 | ||
1035 | if (hdr->field_selector) | |
1036 | input->ext_data.ether_type = eth->h_proto; | |
0ce332fd QZ |
1037 | break; |
1038 | case VIRTCHNL_PROTO_HDR_IPV4: | |
1039 | iph = (struct iphdr *)hdr->buffer; | |
1040 | l3 = VIRTCHNL_PROTO_HDR_IPV4; | |
1041 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_OTHER; | |
1042 | ||
1043 | if (hdr->field_selector) { | |
1044 | input->ip.v4.src_ip = iph->saddr; | |
1045 | input->ip.v4.dst_ip = iph->daddr; | |
1046 | input->ip.v4.tos = iph->tos; | |
1047 | input->ip.v4.proto = iph->protocol; | |
1048 | } | |
1049 | break; | |
1050 | case VIRTCHNL_PROTO_HDR_IPV6: | |
1051 | ip6h = (struct ipv6hdr *)hdr->buffer; | |
1052 | l3 = VIRTCHNL_PROTO_HDR_IPV6; | |
1053 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_OTHER; | |
1054 | ||
1055 | if (hdr->field_selector) { | |
1056 | memcpy(input->ip.v6.src_ip, | |
1057 | ip6h->saddr.in6_u.u6_addr8, | |
1058 | sizeof(ip6h->saddr)); | |
1059 | memcpy(input->ip.v6.dst_ip, | |
1060 | ip6h->daddr.in6_u.u6_addr8, | |
1061 | sizeof(ip6h->daddr)); | |
1062 | input->ip.v6.tc = ((u8)(ip6h->priority) << 4) | | |
1063 | (ip6h->flow_lbl[0] >> 4); | |
1064 | input->ip.v6.proto = ip6h->nexthdr; | |
1065 | } | |
1066 | break; | |
1067 | case VIRTCHNL_PROTO_HDR_TCP: | |
1068 | tcph = (struct tcphdr *)hdr->buffer; | |
1069 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1070 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_TCP; | |
1071 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1072 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_TCP; | |
1073 | ||
1074 | if (hdr->field_selector) { | |
1075 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
1076 | input->ip.v4.src_port = tcph->source; | |
1077 | input->ip.v4.dst_port = tcph->dest; | |
1078 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
1079 | input->ip.v6.src_port = tcph->source; | |
1080 | input->ip.v6.dst_port = tcph->dest; | |
1081 | } | |
1082 | } | |
1083 | break; | |
1084 | case VIRTCHNL_PROTO_HDR_UDP: | |
1085 | udph = (struct udphdr *)hdr->buffer; | |
1086 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1087 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_UDP; | |
1088 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1089 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_UDP; | |
1090 | ||
1091 | if (hdr->field_selector) { | |
1092 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
1093 | input->ip.v4.src_port = udph->source; | |
1094 | input->ip.v4.dst_port = udph->dest; | |
1095 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
1096 | input->ip.v6.src_port = udph->source; | |
1097 | input->ip.v6.dst_port = udph->dest; | |
1098 | } | |
1099 | } | |
1100 | break; | |
1101 | case VIRTCHNL_PROTO_HDR_SCTP: | |
1102 | sctph = (struct sctphdr *)hdr->buffer; | |
1103 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1104 | input->flow_type = | |
1105 | ICE_FLTR_PTYPE_NONF_IPV4_SCTP; | |
1106 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1107 | input->flow_type = | |
1108 | ICE_FLTR_PTYPE_NONF_IPV6_SCTP; | |
1109 | ||
1110 | if (hdr->field_selector) { | |
1111 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
1112 | input->ip.v4.src_port = sctph->source; | |
1113 | input->ip.v4.dst_port = sctph->dest; | |
1114 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
1115 | input->ip.v6.src_port = sctph->source; | |
1116 | input->ip.v6.dst_port = sctph->dest; | |
1117 | } | |
1118 | } | |
1119 | break; | |
213528fe QZ |
1120 | case VIRTCHNL_PROTO_HDR_L2TPV3: |
1121 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1122 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_L2TPV3; | |
1123 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1124 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_L2TPV3; | |
1125 | ||
1126 | if (hdr->field_selector) | |
1127 | input->l2tpv3_data.session_id = *((__be32 *)hdr->buffer); | |
1128 | break; | |
1129 | case VIRTCHNL_PROTO_HDR_ESP: | |
1130 | esph = (struct ip_esp_hdr *)hdr->buffer; | |
1131 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && | |
1132 | l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1133 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_NAT_T_ESP; | |
1134 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && | |
1135 | l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1136 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_NAT_T_ESP; | |
1137 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && | |
1138 | l4 == VIRTCHNL_PROTO_HDR_NONE) | |
1139 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_ESP; | |
1140 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && | |
1141 | l4 == VIRTCHNL_PROTO_HDR_NONE) | |
1142 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_ESP; | |
1143 | ||
1144 | if (l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1145 | conf->inset_flag |= FDIR_INSET_FLAG_ESP_UDP; | |
1146 | else | |
1147 | conf->inset_flag |= FDIR_INSET_FLAG_ESP_IPSEC; | |
1148 | ||
1149 | if (hdr->field_selector) { | |
1150 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1151 | input->ip.v4.sec_parm_idx = esph->spi; | |
1152 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1153 | input->ip.v6.sec_parm_idx = esph->spi; | |
1154 | } | |
1155 | break; | |
1156 | case VIRTCHNL_PROTO_HDR_AH: | |
1157 | ah = (struct ip_auth_hdr *)hdr->buffer; | |
1158 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1159 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_AH; | |
1160 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1161 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_AH; | |
1162 | ||
1163 | if (hdr->field_selector) { | |
1164 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1165 | input->ip.v4.sec_parm_idx = ah->spi; | |
1166 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1167 | input->ip.v6.sec_parm_idx = ah->spi; | |
1168 | } | |
1169 | break; | |
1170 | case VIRTCHNL_PROTO_HDR_PFCP: | |
1171 | rawh = (u8 *)hdr->buffer; | |
1172 | s_field = (rawh[0] >> PFCP_S_OFFSET) & PFCP_S_MASK; | |
1173 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && s_field == 0) | |
1174 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_PFCP_NODE; | |
1175 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && s_field == 1) | |
1176 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_PFCP_SESSION; | |
1177 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && s_field == 0) | |
1178 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_PFCP_NODE; | |
1179 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && s_field == 1) | |
1180 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_PFCP_SESSION; | |
1181 | ||
1182 | if (hdr->field_selector) { | |
1183 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1184 | input->ip.v4.dst_port = cpu_to_be16(PFCP_PORT_NR); | |
1185 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1186 | input->ip.v6.dst_port = cpu_to_be16(PFCP_PORT_NR); | |
1187 | } | |
1188 | break; | |
ef9e4cc5 QZ |
1189 | case VIRTCHNL_PROTO_HDR_GTPU_IP: |
1190 | rawh = (u8 *)hdr->buffer; | |
1191 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER; | |
1192 | ||
1193 | if (hdr->field_selector) | |
1194 | input->gtpu_data.teid = *(__be32 *)(&rawh[GTPU_TEID_OFFSET]); | |
1195 | conf->ttype = ICE_FDIR_TUNNEL_TYPE_GTPU; | |
1196 | break; | |
1197 | case VIRTCHNL_PROTO_HDR_GTPU_EH: | |
1198 | rawh = (u8 *)hdr->buffer; | |
1199 | ||
1200 | if (hdr->field_selector) | |
1201 | input->gtpu_data.qfi = rawh[GTPU_EH_QFI_OFFSET] & GTPU_EH_QFI_MASK; | |
1202 | conf->ttype = ICE_FDIR_TUNNEL_TYPE_GTPU_EH; | |
1203 | break; | |
0ce332fd QZ |
1204 | default: |
1205 | dev_dbg(dev, "Invalid header type 0x:%x for VF %d\n", | |
1206 | hdr->type, vf->vf_id); | |
1207 | return -EINVAL; | |
1208 | } | |
1209 | } | |
1210 | ||
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | /** | |
1215 | * ice_vc_fdir_parse_action | |
1216 | * @vf: pointer to the VF info | |
1217 | * @fltr: virtual channel add cmd buffer | |
1218 | * @conf: FDIR configuration for each filter | |
1219 | * | |
1220 | * Parse the virtual channel filter's action and store them into conf | |
1221 | * | |
1222 | * Return: 0 on success, and other on error. | |
1223 | */ | |
1224 | static int | |
1225 | ice_vc_fdir_parse_action(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
1226 | struct virtchnl_fdir_fltr_conf *conf) | |
1227 | { | |
1228 | struct virtchnl_filter_action_set *as = &fltr->rule_cfg.action_set; | |
1229 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1230 | struct ice_fdir_fltr *input = &conf->input; | |
1231 | u32 dest_num = 0; | |
1232 | u32 mark_num = 0; | |
1233 | int i; | |
1234 | ||
1235 | if (as->count > VIRTCHNL_MAX_NUM_ACTIONS) { | |
1236 | dev_dbg(dev, "Invalid action numbers:0x%x for VF %d\n", | |
1237 | as->count, vf->vf_id); | |
1238 | return -EINVAL; | |
1239 | } | |
1240 | ||
1241 | for (i = 0; i < as->count; i++) { | |
1242 | struct virtchnl_filter_action *action = &as->actions[i]; | |
1243 | ||
1244 | switch (action->type) { | |
346bf250 QZ |
1245 | case VIRTCHNL_ACTION_PASSTHRU: |
1246 | dest_num++; | |
1247 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER; | |
1248 | break; | |
0ce332fd QZ |
1249 | case VIRTCHNL_ACTION_DROP: |
1250 | dest_num++; | |
1251 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DROP_PKT; | |
1252 | break; | |
1253 | case VIRTCHNL_ACTION_QUEUE: | |
1254 | dest_num++; | |
1255 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX; | |
1256 | input->q_index = action->act_conf.queue.index; | |
1257 | break; | |
346bf250 QZ |
1258 | case VIRTCHNL_ACTION_Q_REGION: |
1259 | dest_num++; | |
1260 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP; | |
1261 | input->q_index = action->act_conf.queue.index; | |
1262 | input->q_region = action->act_conf.queue.region; | |
1263 | break; | |
0ce332fd QZ |
1264 | case VIRTCHNL_ACTION_MARK: |
1265 | mark_num++; | |
1266 | input->fltr_id = action->act_conf.mark_id; | |
1267 | input->fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_THREE; | |
1268 | break; | |
1269 | default: | |
1270 | dev_dbg(dev, "Invalid action type:0x%x for VF %d\n", | |
1271 | action->type, vf->vf_id); | |
1272 | return -EINVAL; | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | if (dest_num == 0 || dest_num >= 2) { | |
1277 | dev_dbg(dev, "Invalid destination action for VF %d\n", | |
1278 | vf->vf_id); | |
1279 | return -EINVAL; | |
1280 | } | |
1281 | ||
1282 | if (mark_num >= 2) { | |
1283 | dev_dbg(dev, "Too many mark actions for VF %d\n", vf->vf_id); | |
1284 | return -EINVAL; | |
1285 | } | |
1286 | ||
1287 | return 0; | |
1288 | } | |
1289 | ||
1f7ea1cd QZ |
1290 | /** |
1291 | * ice_vc_validate_fdir_fltr - validate the virtual channel filter | |
1292 | * @vf: pointer to the VF info | |
1293 | * @fltr: virtual channel add cmd buffer | |
1294 | * @conf: FDIR configuration for each filter | |
1295 | * | |
1296 | * Return: 0 on success, and other on error. | |
1297 | */ | |
1298 | static int | |
1299 | ice_vc_validate_fdir_fltr(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
1300 | struct virtchnl_fdir_fltr_conf *conf) | |
1301 | { | |
0ce332fd QZ |
1302 | int ret; |
1303 | ||
1304 | ret = ice_vc_fdir_search_pattern(vf, fltr); | |
1305 | if (ret) | |
1306 | return ret; | |
1307 | ||
1308 | ret = ice_vc_fdir_parse_pattern(vf, fltr, conf); | |
1309 | if (ret) | |
1310 | return ret; | |
1311 | ||
1312 | return ice_vc_fdir_parse_action(vf, fltr, conf); | |
1f7ea1cd QZ |
1313 | } |
1314 | ||
1315 | /** | |
1316 | * ice_vc_fdir_comp_rules - compare if two filter rules have the same value | |
1317 | * @conf_a: FDIR configuration for filter a | |
1318 | * @conf_b: FDIR configuration for filter b | |
1319 | * | |
1320 | * Return: 0 on success, and other on error. | |
1321 | */ | |
1322 | static bool | |
1323 | ice_vc_fdir_comp_rules(struct virtchnl_fdir_fltr_conf *conf_a, | |
1324 | struct virtchnl_fdir_fltr_conf *conf_b) | |
1325 | { | |
1326 | struct ice_fdir_fltr *a = &conf_a->input; | |
1327 | struct ice_fdir_fltr *b = &conf_b->input; | |
1328 | ||
ef9e4cc5 QZ |
1329 | if (conf_a->ttype != conf_b->ttype) |
1330 | return false; | |
1f7ea1cd QZ |
1331 | if (a->flow_type != b->flow_type) |
1332 | return false; | |
1333 | if (memcmp(&a->ip, &b->ip, sizeof(a->ip))) | |
1334 | return false; | |
1335 | if (memcmp(&a->mask, &b->mask, sizeof(a->mask))) | |
1336 | return false; | |
ef9e4cc5 QZ |
1337 | if (memcmp(&a->gtpu_data, &b->gtpu_data, sizeof(a->gtpu_data))) |
1338 | return false; | |
1339 | if (memcmp(&a->gtpu_mask, &b->gtpu_mask, sizeof(a->gtpu_mask))) | |
1340 | return false; | |
213528fe QZ |
1341 | if (memcmp(&a->l2tpv3_data, &b->l2tpv3_data, sizeof(a->l2tpv3_data))) |
1342 | return false; | |
1343 | if (memcmp(&a->l2tpv3_mask, &b->l2tpv3_mask, sizeof(a->l2tpv3_mask))) | |
1344 | return false; | |
1f7ea1cd QZ |
1345 | if (memcmp(&a->ext_data, &b->ext_data, sizeof(a->ext_data))) |
1346 | return false; | |
1347 | if (memcmp(&a->ext_mask, &b->ext_mask, sizeof(a->ext_mask))) | |
1348 | return false; | |
1349 | ||
1350 | return true; | |
1351 | } | |
1352 | ||
1353 | /** | |
1354 | * ice_vc_fdir_is_dup_fltr | |
1355 | * @vf: pointer to the VF info | |
1356 | * @conf: FDIR configuration for each filter | |
1357 | * | |
1358 | * Check if there is duplicated rule with same conf value | |
1359 | * | |
1360 | * Return: 0 true success, and false on error. | |
1361 | */ | |
1362 | static bool | |
1363 | ice_vc_fdir_is_dup_fltr(struct ice_vf *vf, struct virtchnl_fdir_fltr_conf *conf) | |
1364 | { | |
1365 | struct ice_fdir_fltr *desc; | |
1366 | bool ret; | |
1367 | ||
1368 | list_for_each_entry(desc, &vf->fdir.fdir_rule_list, fltr_node) { | |
1369 | struct virtchnl_fdir_fltr_conf *node = | |
1370 | to_fltr_conf_from_desc(desc); | |
1371 | ||
1372 | ret = ice_vc_fdir_comp_rules(node, conf); | |
1373 | if (ret) | |
1374 | return true; | |
1375 | } | |
1376 | ||
1377 | return false; | |
1378 | } | |
1379 | ||
1380 | /** | |
1381 | * ice_vc_fdir_insert_entry | |
1382 | * @vf: pointer to the VF info | |
1383 | * @conf: FDIR configuration for each filter | |
1384 | * @id: pointer to ID value allocated by driver | |
1385 | * | |
1386 | * Insert FDIR conf entry into list and allocate ID for this filter | |
1387 | * | |
1388 | * Return: 0 true success, and other on error. | |
1389 | */ | |
1390 | static int | |
1391 | ice_vc_fdir_insert_entry(struct ice_vf *vf, | |
1392 | struct virtchnl_fdir_fltr_conf *conf, u32 *id) | |
1393 | { | |
1394 | struct ice_fdir_fltr *input = &conf->input; | |
1395 | int i; | |
1396 | ||
1397 | /* alloc ID corresponding with conf */ | |
1398 | i = idr_alloc(&vf->fdir.fdir_rule_idr, conf, 0, | |
1399 | ICE_FDIR_MAX_FLTRS, GFP_KERNEL); | |
1400 | if (i < 0) | |
1401 | return -EINVAL; | |
1402 | *id = i; | |
1403 | ||
1404 | list_add(&input->fltr_node, &vf->fdir.fdir_rule_list); | |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | /** | |
1409 | * ice_vc_fdir_remove_entry - remove FDIR conf entry by ID value | |
1410 | * @vf: pointer to the VF info | |
1411 | * @conf: FDIR configuration for each filter | |
1412 | * @id: filter rule's ID | |
1413 | */ | |
1414 | static void | |
1415 | ice_vc_fdir_remove_entry(struct ice_vf *vf, | |
1416 | struct virtchnl_fdir_fltr_conf *conf, u32 id) | |
1417 | { | |
1418 | struct ice_fdir_fltr *input = &conf->input; | |
1419 | ||
1420 | idr_remove(&vf->fdir.fdir_rule_idr, id); | |
1421 | list_del(&input->fltr_node); | |
1422 | } | |
1423 | ||
1424 | /** | |
1425 | * ice_vc_fdir_lookup_entry - lookup FDIR conf entry by ID value | |
1426 | * @vf: pointer to the VF info | |
1427 | * @id: filter rule's ID | |
1428 | * | |
1429 | * Return: NULL on error, and other on success. | |
1430 | */ | |
1431 | static struct virtchnl_fdir_fltr_conf * | |
1432 | ice_vc_fdir_lookup_entry(struct ice_vf *vf, u32 id) | |
1433 | { | |
1434 | return idr_find(&vf->fdir.fdir_rule_idr, id); | |
1435 | } | |
1436 | ||
1437 | /** | |
1438 | * ice_vc_fdir_flush_entry - remove all FDIR conf entry | |
1439 | * @vf: pointer to the VF info | |
1440 | */ | |
1441 | static void ice_vc_fdir_flush_entry(struct ice_vf *vf) | |
1442 | { | |
1443 | struct virtchnl_fdir_fltr_conf *conf; | |
1444 | struct ice_fdir_fltr *desc, *temp; | |
1445 | ||
1446 | list_for_each_entry_safe(desc, temp, | |
1447 | &vf->fdir.fdir_rule_list, fltr_node) { | |
1448 | conf = to_fltr_conf_from_desc(desc); | |
1449 | list_del(&desc->fltr_node); | |
1450 | devm_kfree(ice_pf_to_dev(vf->pf), conf); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | /** | |
1455 | * ice_vc_fdir_write_fltr - write filter rule into hardware | |
1456 | * @vf: pointer to the VF info | |
1457 | * @conf: FDIR configuration for each filter | |
1458 | * @add: true implies add rule, false implies del rules | |
1459 | * @is_tun: false implies non-tunnel type filter, true implies tunnel filter | |
1460 | * | |
1461 | * Return: 0 on success, and other on error. | |
1462 | */ | |
1463 | static int ice_vc_fdir_write_fltr(struct ice_vf *vf, | |
1464 | struct virtchnl_fdir_fltr_conf *conf, | |
1465 | bool add, bool is_tun) | |
1466 | { | |
1467 | struct ice_fdir_fltr *input = &conf->input; | |
1468 | struct ice_vsi *vsi, *ctrl_vsi; | |
1469 | struct ice_fltr_desc desc; | |
1470 | enum ice_status status; | |
1471 | struct device *dev; | |
1472 | struct ice_pf *pf; | |
1473 | struct ice_hw *hw; | |
1474 | int ret; | |
1475 | u8 *pkt; | |
1476 | ||
1477 | pf = vf->pf; | |
1478 | dev = ice_pf_to_dev(pf); | |
1479 | hw = &pf->hw; | |
1480 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
1481 | if (!vsi) { | |
1482 | dev_dbg(dev, "Invalid vsi for VF %d\n", vf->vf_id); | |
1483 | return -EINVAL; | |
1484 | } | |
1485 | ||
1486 | input->dest_vsi = vsi->idx; | |
d6218317 | 1487 | input->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW; |
1f7ea1cd QZ |
1488 | |
1489 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
1490 | if (!ctrl_vsi) { | |
1491 | dev_dbg(dev, "Invalid ctrl_vsi for VF %d\n", vf->vf_id); | |
1492 | return -EINVAL; | |
1493 | } | |
1494 | ||
1495 | pkt = devm_kzalloc(dev, ICE_FDIR_MAX_RAW_PKT_SIZE, GFP_KERNEL); | |
1496 | if (!pkt) | |
1497 | return -ENOMEM; | |
1498 | ||
1499 | ice_fdir_get_prgm_desc(hw, input, &desc, add); | |
1500 | status = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun); | |
1501 | ret = ice_status_to_errno(status); | |
1502 | if (ret) { | |
1503 | dev_dbg(dev, "Gen training pkt for VF %d ptype %d failed\n", | |
1504 | vf->vf_id, input->flow_type); | |
1505 | goto err_free_pkt; | |
1506 | } | |
1507 | ||
1508 | ret = ice_prgm_fdir_fltr(ctrl_vsi, &desc, pkt); | |
1509 | if (ret) | |
1510 | goto err_free_pkt; | |
1511 | ||
1512 | return 0; | |
1513 | ||
1514 | err_free_pkt: | |
1515 | devm_kfree(dev, pkt); | |
1516 | return ret; | |
1517 | } | |
1518 | ||
d6218317 QZ |
1519 | /** |
1520 | * ice_vf_fdir_timer - FDIR program waiting timer interrupt handler | |
1521 | * @t: pointer to timer_list | |
1522 | */ | |
1523 | static void ice_vf_fdir_timer(struct timer_list *t) | |
1524 | { | |
1525 | struct ice_vf_fdir_ctx *ctx_irq = from_timer(ctx_irq, t, rx_tmr); | |
1526 | struct ice_vf_fdir_ctx *ctx_done; | |
1527 | struct ice_vf_fdir *fdir; | |
1528 | unsigned long flags; | |
1529 | struct ice_vf *vf; | |
1530 | struct ice_pf *pf; | |
1531 | ||
1532 | fdir = container_of(ctx_irq, struct ice_vf_fdir, ctx_irq); | |
1533 | vf = container_of(fdir, struct ice_vf, fdir); | |
1534 | ctx_done = &fdir->ctx_done; | |
1535 | pf = vf->pf; | |
1536 | spin_lock_irqsave(&fdir->ctx_lock, flags); | |
1537 | if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1538 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1539 | WARN_ON_ONCE(1); | |
1540 | return; | |
1541 | } | |
1542 | ||
1543 | ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1544 | ||
1545 | ctx_done->flags |= ICE_VF_FDIR_CTX_VALID; | |
1546 | ctx_done->conf = ctx_irq->conf; | |
1547 | ctx_done->stat = ICE_FDIR_CTX_TIMEOUT; | |
1548 | ctx_done->v_opcode = ctx_irq->v_opcode; | |
1549 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1550 | ||
1551 | set_bit(__ICE_FD_VF_FLUSH_CTX, pf->state); | |
1552 | ice_service_task_schedule(pf); | |
1553 | } | |
1554 | ||
1555 | /** | |
1556 | * ice_vc_fdir_irq_handler - ctrl_vsi Rx queue interrupt handler | |
1557 | * @ctrl_vsi: pointer to a VF's CTRL VSI | |
1558 | * @rx_desc: pointer to FDIR Rx queue descriptor | |
1559 | */ | |
1560 | void | |
1561 | ice_vc_fdir_irq_handler(struct ice_vsi *ctrl_vsi, | |
1562 | union ice_32b_rx_flex_desc *rx_desc) | |
1563 | { | |
1564 | struct ice_pf *pf = ctrl_vsi->back; | |
1565 | struct ice_vf_fdir_ctx *ctx_done; | |
1566 | struct ice_vf_fdir_ctx *ctx_irq; | |
1567 | struct ice_vf_fdir *fdir; | |
1568 | unsigned long flags; | |
1569 | struct device *dev; | |
1570 | struct ice_vf *vf; | |
1571 | int ret; | |
1572 | ||
1573 | vf = &pf->vf[ctrl_vsi->vf_id]; | |
1574 | ||
1575 | fdir = &vf->fdir; | |
1576 | ctx_done = &fdir->ctx_done; | |
1577 | ctx_irq = &fdir->ctx_irq; | |
1578 | dev = ice_pf_to_dev(pf); | |
1579 | spin_lock_irqsave(&fdir->ctx_lock, flags); | |
1580 | if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1581 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1582 | WARN_ON_ONCE(1); | |
1583 | return; | |
1584 | } | |
1585 | ||
1586 | ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1587 | ||
1588 | ctx_done->flags |= ICE_VF_FDIR_CTX_VALID; | |
1589 | ctx_done->conf = ctx_irq->conf; | |
1590 | ctx_done->stat = ICE_FDIR_CTX_IRQ; | |
1591 | ctx_done->v_opcode = ctx_irq->v_opcode; | |
1592 | memcpy(&ctx_done->rx_desc, rx_desc, sizeof(*rx_desc)); | |
1593 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1594 | ||
1595 | ret = del_timer(&ctx_irq->rx_tmr); | |
1596 | if (!ret) | |
1597 | dev_err(dev, "VF %d: Unexpected inactive timer!\n", vf->vf_id); | |
1598 | ||
1599 | set_bit(__ICE_FD_VF_FLUSH_CTX, pf->state); | |
1600 | ice_service_task_schedule(pf); | |
1601 | } | |
1602 | ||
1603 | /** | |
1604 | * ice_vf_fdir_dump_info - dump FDIR information for diagnosis | |
1605 | * @vf: pointer to the VF info | |
1606 | */ | |
1607 | static void ice_vf_fdir_dump_info(struct ice_vf *vf) | |
1608 | { | |
1609 | struct ice_vsi *vf_vsi; | |
1610 | u32 fd_size, fd_cnt; | |
1611 | struct device *dev; | |
1612 | struct ice_pf *pf; | |
1613 | struct ice_hw *hw; | |
1614 | u16 vsi_num; | |
1615 | ||
1616 | pf = vf->pf; | |
1617 | hw = &pf->hw; | |
1618 | dev = ice_pf_to_dev(pf); | |
1619 | vf_vsi = pf->vsi[vf->lan_vsi_idx]; | |
1620 | vsi_num = ice_get_hw_vsi_num(hw, vf_vsi->idx); | |
1621 | ||
1622 | fd_size = rd32(hw, VSIQF_FD_SIZE(vsi_num)); | |
1623 | fd_cnt = rd32(hw, VSIQF_FD_CNT(vsi_num)); | |
1624 | dev_dbg(dev, "VF %d: space allocated: guar:0x%x, be:0x%x, space consumed: guar:0x%x, be:0x%x", | |
1625 | vf->vf_id, | |
1626 | (fd_size & VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S, | |
1627 | (fd_size & VSIQF_FD_CNT_FD_BCNT_M) >> VSIQF_FD_CNT_FD_BCNT_S, | |
1628 | (fd_cnt & VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S, | |
1629 | (fd_cnt & VSIQF_FD_CNT_FD_BCNT_M) >> VSIQF_FD_CNT_FD_BCNT_S); | |
1630 | } | |
1631 | ||
1632 | /** | |
1633 | * ice_vf_verify_rx_desc - verify received FDIR programming status descriptor | |
1634 | * @vf: pointer to the VF info | |
1635 | * @ctx: FDIR context info for post processing | |
1636 | * @status: virtchnl FDIR program status | |
1637 | * | |
1638 | * Return: 0 on success, and other on error. | |
1639 | */ | |
1640 | static int | |
1641 | ice_vf_verify_rx_desc(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1642 | enum virtchnl_fdir_prgm_status *status) | |
1643 | { | |
1644 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1645 | u32 stat_err, error, prog_id; | |
1646 | int ret; | |
1647 | ||
1648 | stat_err = le16_to_cpu(ctx->rx_desc.wb.status_error0); | |
1649 | if (((stat_err & ICE_FXD_FLTR_WB_QW1_DD_M) >> | |
1650 | ICE_FXD_FLTR_WB_QW1_DD_S) != ICE_FXD_FLTR_WB_QW1_DD_YES) { | |
1651 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1652 | dev_err(dev, "VF %d: Desc Done not set\n", vf->vf_id); | |
1653 | ret = -EINVAL; | |
1654 | goto err_exit; | |
1655 | } | |
1656 | ||
1657 | prog_id = (stat_err & ICE_FXD_FLTR_WB_QW1_PROG_ID_M) >> | |
1658 | ICE_FXD_FLTR_WB_QW1_PROG_ID_S; | |
1659 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD && | |
1660 | ctx->v_opcode != VIRTCHNL_OP_ADD_FDIR_FILTER) { | |
1661 | dev_err(dev, "VF %d: Desc show add, but ctx not", | |
1662 | vf->vf_id); | |
1663 | *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; | |
1664 | ret = -EINVAL; | |
1665 | goto err_exit; | |
1666 | } | |
1667 | ||
1668 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_DEL && | |
1669 | ctx->v_opcode != VIRTCHNL_OP_DEL_FDIR_FILTER) { | |
1670 | dev_err(dev, "VF %d: Desc show del, but ctx not", | |
1671 | vf->vf_id); | |
1672 | *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; | |
1673 | ret = -EINVAL; | |
1674 | goto err_exit; | |
1675 | } | |
1676 | ||
1677 | error = (stat_err & ICE_FXD_FLTR_WB_QW1_FAIL_M) >> | |
1678 | ICE_FXD_FLTR_WB_QW1_FAIL_S; | |
1679 | if (error == ICE_FXD_FLTR_WB_QW1_FAIL_YES) { | |
1680 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD) { | |
1681 | dev_err(dev, "VF %d, Failed to add FDIR rule due to no space in the table", | |
1682 | vf->vf_id); | |
1683 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1684 | } else { | |
1685 | dev_err(dev, "VF %d, Failed to remove FDIR rule, attempt to remove non-existent entry", | |
1686 | vf->vf_id); | |
1687 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST; | |
1688 | } | |
1689 | ret = -EINVAL; | |
1690 | goto err_exit; | |
1691 | } | |
1692 | ||
1693 | error = (stat_err & ICE_FXD_FLTR_WB_QW1_FAIL_PROF_M) >> | |
1694 | ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S; | |
1695 | if (error == ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES) { | |
1696 | dev_err(dev, "VF %d: Profile matching error", vf->vf_id); | |
1697 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1698 | ret = -EINVAL; | |
1699 | goto err_exit; | |
1700 | } | |
1701 | ||
1702 | *status = VIRTCHNL_FDIR_SUCCESS; | |
1703 | ||
1704 | return 0; | |
1705 | ||
1706 | err_exit: | |
1707 | ice_vf_fdir_dump_info(vf); | |
1708 | return ret; | |
1709 | } | |
1710 | ||
1711 | /** | |
1712 | * ice_vc_add_fdir_fltr_post | |
1713 | * @vf: pointer to the VF structure | |
1714 | * @ctx: FDIR context info for post processing | |
1715 | * @status: virtchnl FDIR program status | |
1716 | * @success: true implies success, false implies failure | |
1717 | * | |
1718 | * Post process for flow director add command. If success, then do post process | |
1719 | * and send back success msg by virtchnl. Otherwise, do context reversion and | |
1720 | * send back failure msg by virtchnl. | |
1721 | * | |
1722 | * Return: 0 on success, and other on error. | |
1723 | */ | |
1724 | static int | |
1725 | ice_vc_add_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1726 | enum virtchnl_fdir_prgm_status status, | |
1727 | bool success) | |
1728 | { | |
1729 | struct virtchnl_fdir_fltr_conf *conf = ctx->conf; | |
1730 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1731 | enum virtchnl_status_code v_ret; | |
1732 | struct virtchnl_fdir_add *resp; | |
1733 | int ret, len, is_tun; | |
1734 | ||
1735 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
1736 | len = sizeof(*resp); | |
1737 | resp = kzalloc(len, GFP_KERNEL); | |
1738 | if (!resp) { | |
1739 | len = 0; | |
1740 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
1741 | dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id); | |
1742 | goto err_exit; | |
1743 | } | |
1744 | ||
1745 | if (!success) | |
1746 | goto err_exit; | |
1747 | ||
1748 | is_tun = 0; | |
1749 | resp->status = status; | |
1750 | resp->flow_id = conf->flow_id; | |
1751 | vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]++; | |
1752 | ||
1753 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1754 | (u8 *)resp, len); | |
1755 | kfree(resp); | |
1756 | ||
1757 | dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n", | |
1758 | vf->vf_id, conf->flow_id, | |
1759 | (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ? | |
1760 | "add" : "del"); | |
1761 | return ret; | |
1762 | ||
1763 | err_exit: | |
1764 | if (resp) | |
1765 | resp->status = status; | |
1766 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
1767 | devm_kfree(dev, conf); | |
1768 | ||
1769 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1770 | (u8 *)resp, len); | |
1771 | kfree(resp); | |
1772 | return ret; | |
1773 | } | |
1774 | ||
1775 | /** | |
1776 | * ice_vc_del_fdir_fltr_post | |
1777 | * @vf: pointer to the VF structure | |
1778 | * @ctx: FDIR context info for post processing | |
1779 | * @status: virtchnl FDIR program status | |
1780 | * @success: true implies success, false implies failure | |
1781 | * | |
1782 | * Post process for flow director del command. If success, then do post process | |
1783 | * and send back success msg by virtchnl. Otherwise, do context reversion and | |
1784 | * send back failure msg by virtchnl. | |
1785 | * | |
1786 | * Return: 0 on success, and other on error. | |
1787 | */ | |
1788 | static int | |
1789 | ice_vc_del_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1790 | enum virtchnl_fdir_prgm_status status, | |
1791 | bool success) | |
1792 | { | |
1793 | struct virtchnl_fdir_fltr_conf *conf = ctx->conf; | |
1794 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1795 | enum virtchnl_status_code v_ret; | |
1796 | struct virtchnl_fdir_del *resp; | |
1797 | int ret, len, is_tun; | |
1798 | ||
1799 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
1800 | len = sizeof(*resp); | |
1801 | resp = kzalloc(len, GFP_KERNEL); | |
1802 | if (!resp) { | |
1803 | len = 0; | |
1804 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
1805 | dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id); | |
1806 | goto err_exit; | |
1807 | } | |
1808 | ||
1809 | if (!success) | |
1810 | goto err_exit; | |
1811 | ||
1812 | is_tun = 0; | |
1813 | resp->status = status; | |
1814 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
1815 | vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]--; | |
1816 | ||
1817 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1818 | (u8 *)resp, len); | |
1819 | kfree(resp); | |
1820 | ||
1821 | dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n", | |
1822 | vf->vf_id, conf->flow_id, | |
1823 | (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ? | |
1824 | "add" : "del"); | |
1825 | devm_kfree(dev, conf); | |
1826 | return ret; | |
1827 | ||
1828 | err_exit: | |
1829 | if (resp) | |
1830 | resp->status = status; | |
1831 | if (success) | |
1832 | devm_kfree(dev, conf); | |
1833 | ||
1834 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1835 | (u8 *)resp, len); | |
1836 | kfree(resp); | |
1837 | return ret; | |
1838 | } | |
1839 | ||
1840 | /** | |
1841 | * ice_flush_fdir_ctx | |
1842 | * @pf: pointer to the PF structure | |
1843 | * | |
1844 | * Flush all the pending event on ctx_done list and process them. | |
1845 | */ | |
1846 | void ice_flush_fdir_ctx(struct ice_pf *pf) | |
1847 | { | |
1848 | int i; | |
1849 | ||
1850 | if (!test_and_clear_bit(__ICE_FD_VF_FLUSH_CTX, pf->state)) | |
1851 | return; | |
1852 | ||
1853 | ice_for_each_vf(pf, i) { | |
1854 | struct device *dev = ice_pf_to_dev(pf); | |
1855 | enum virtchnl_fdir_prgm_status status; | |
1856 | struct ice_vf *vf = &pf->vf[i]; | |
1857 | struct ice_vf_fdir_ctx *ctx; | |
1858 | unsigned long flags; | |
1859 | int ret; | |
1860 | ||
1861 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
1862 | continue; | |
1863 | ||
1864 | if (vf->ctrl_vsi_idx == ICE_NO_VSI) | |
1865 | continue; | |
1866 | ||
1867 | ctx = &vf->fdir.ctx_done; | |
1868 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1869 | if (!(ctx->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1870 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1871 | continue; | |
1872 | } | |
1873 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1874 | ||
1875 | WARN_ON(ctx->stat == ICE_FDIR_CTX_READY); | |
1876 | if (ctx->stat == ICE_FDIR_CTX_TIMEOUT) { | |
1877 | status = VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT; | |
1878 | dev_err(dev, "VF %d: ctrl_vsi irq timeout\n", | |
1879 | vf->vf_id); | |
1880 | goto err_exit; | |
1881 | } | |
1882 | ||
1883 | ret = ice_vf_verify_rx_desc(vf, ctx, &status); | |
1884 | if (ret) | |
1885 | goto err_exit; | |
1886 | ||
1887 | if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) | |
1888 | ice_vc_add_fdir_fltr_post(vf, ctx, status, true); | |
1889 | else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER) | |
1890 | ice_vc_del_fdir_fltr_post(vf, ctx, status, true); | |
1891 | else | |
1892 | dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id); | |
1893 | ||
1894 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1895 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1896 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1897 | continue; | |
1898 | err_exit: | |
1899 | if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) | |
1900 | ice_vc_add_fdir_fltr_post(vf, ctx, status, false); | |
1901 | else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER) | |
1902 | ice_vc_del_fdir_fltr_post(vf, ctx, status, false); | |
1903 | else | |
1904 | dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id); | |
1905 | ||
1906 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1907 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1908 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | /** | |
1913 | * ice_vc_fdir_set_irq_ctx - set FDIR context info for later IRQ handler | |
1914 | * @vf: pointer to the VF structure | |
1915 | * @conf: FDIR configuration for each filter | |
1916 | * @v_opcode: virtual channel operation code | |
1917 | * | |
1918 | * Return: 0 on success, and other on error. | |
1919 | */ | |
1920 | static int | |
1921 | ice_vc_fdir_set_irq_ctx(struct ice_vf *vf, struct virtchnl_fdir_fltr_conf *conf, | |
1922 | enum virtchnl_ops v_opcode) | |
1923 | { | |
1924 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1925 | struct ice_vf_fdir_ctx *ctx; | |
1926 | unsigned long flags; | |
1927 | ||
1928 | ctx = &vf->fdir.ctx_irq; | |
1929 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1930 | if ((vf->fdir.ctx_irq.flags & ICE_VF_FDIR_CTX_VALID) || | |
1931 | (vf->fdir.ctx_done.flags & ICE_VF_FDIR_CTX_VALID)) { | |
1932 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1933 | dev_dbg(dev, "VF %d: Last request is still in progress\n", | |
1934 | vf->vf_id); | |
1935 | return -EBUSY; | |
1936 | } | |
1937 | ctx->flags |= ICE_VF_FDIR_CTX_VALID; | |
1938 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1939 | ||
1940 | ctx->conf = conf; | |
1941 | ctx->v_opcode = v_opcode; | |
1942 | ctx->stat = ICE_FDIR_CTX_READY; | |
1943 | timer_setup(&ctx->rx_tmr, ice_vf_fdir_timer, 0); | |
1944 | ||
1945 | mod_timer(&ctx->rx_tmr, round_jiffies(msecs_to_jiffies(10) + jiffies)); | |
1946 | ||
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | /** | |
1951 | * ice_vc_fdir_clear_irq_ctx - clear FDIR context info for IRQ handler | |
1952 | * @vf: pointer to the VF structure | |
1953 | * | |
1954 | * Return: 0 on success, and other on error. | |
1955 | */ | |
1956 | static void ice_vc_fdir_clear_irq_ctx(struct ice_vf *vf) | |
1957 | { | |
1958 | struct ice_vf_fdir_ctx *ctx = &vf->fdir.ctx_irq; | |
1959 | unsigned long flags; | |
1960 | ||
1961 | del_timer(&ctx->rx_tmr); | |
1962 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1963 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1964 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1965 | } | |
1966 | ||
1f7ea1cd QZ |
1967 | /** |
1968 | * ice_vc_add_fdir_fltr - add a FDIR filter for VF by the msg buffer | |
1969 | * @vf: pointer to the VF info | |
1970 | * @msg: pointer to the msg buffer | |
1971 | * | |
1972 | * Return: 0 on success, and other on error. | |
1973 | */ | |
1974 | int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg) | |
1975 | { | |
1976 | struct virtchnl_fdir_add *fltr = (struct virtchnl_fdir_add *)msg; | |
1977 | struct virtchnl_fdir_add *stat = NULL; | |
1978 | struct virtchnl_fdir_fltr_conf *conf; | |
1979 | enum virtchnl_status_code v_ret; | |
1980 | struct device *dev; | |
1981 | struct ice_pf *pf; | |
1982 | int is_tun = 0; | |
1983 | int len = 0; | |
1984 | int ret; | |
1985 | ||
1986 | pf = vf->pf; | |
1987 | dev = ice_pf_to_dev(pf); | |
1988 | ret = ice_vc_fdir_param_check(vf, fltr->vsi_id); | |
1989 | if (ret) { | |
1990 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
1991 | dev_dbg(dev, "Parameter check for VF %d failed\n", vf->vf_id); | |
1992 | goto err_exit; | |
1993 | } | |
1994 | ||
1995 | ret = ice_vf_start_ctrl_vsi(vf); | |
1996 | if (ret && (ret != -EEXIST)) { | |
1997 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
1998 | dev_err(dev, "Init FDIR for VF %d failed, ret:%d\n", | |
1999 | vf->vf_id, ret); | |
2000 | goto err_exit; | |
2001 | } | |
2002 | ||
2003 | stat = kzalloc(sizeof(*stat), GFP_KERNEL); | |
2004 | if (!stat) { | |
2005 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2006 | dev_dbg(dev, "Alloc stat for VF %d failed\n", vf->vf_id); | |
2007 | goto err_exit; | |
2008 | } | |
2009 | ||
2010 | conf = devm_kzalloc(dev, sizeof(*conf), GFP_KERNEL); | |
2011 | if (!conf) { | |
2012 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2013 | dev_dbg(dev, "Alloc conf for VF %d failed\n", vf->vf_id); | |
2014 | goto err_exit; | |
2015 | } | |
2016 | ||
2017 | len = sizeof(*stat); | |
2018 | ret = ice_vc_validate_fdir_fltr(vf, fltr, conf); | |
2019 | if (ret) { | |
2020 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2021 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; | |
2022 | dev_dbg(dev, "Invalid FDIR filter from VF %d\n", vf->vf_id); | |
2023 | goto err_free_conf; | |
2024 | } | |
2025 | ||
2026 | if (fltr->validate_only) { | |
2027 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2028 | stat->status = VIRTCHNL_FDIR_SUCCESS; | |
2029 | devm_kfree(dev, conf); | |
2030 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_FDIR_FILTER, | |
2031 | v_ret, (u8 *)stat, len); | |
2032 | goto exit; | |
2033 | } | |
2034 | ||
2035 | ret = ice_vc_fdir_config_input_set(vf, fltr, conf, is_tun); | |
2036 | if (ret) { | |
2037 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2038 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT; | |
2039 | dev_err(dev, "VF %d: FDIR input set configure failed, ret:%d\n", | |
2040 | vf->vf_id, ret); | |
2041 | goto err_free_conf; | |
2042 | } | |
2043 | ||
2044 | ret = ice_vc_fdir_is_dup_fltr(vf, conf); | |
2045 | if (ret) { | |
2046 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2047 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_EXIST; | |
2048 | dev_dbg(dev, "VF %d: duplicated FDIR rule detected\n", | |
2049 | vf->vf_id); | |
2050 | goto err_free_conf; | |
2051 | } | |
2052 | ||
d6218317 | 2053 | ret = ice_vc_fdir_insert_entry(vf, conf, &conf->flow_id); |
1f7ea1cd QZ |
2054 | if (ret) { |
2055 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2056 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2057 | dev_dbg(dev, "VF %d: insert FDIR list failed\n", vf->vf_id); | |
2058 | goto err_free_conf; | |
2059 | } | |
2060 | ||
d6218317 QZ |
2061 | ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_ADD_FDIR_FILTER); |
2062 | if (ret) { | |
2063 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2064 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2065 | dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id); | |
2066 | goto err_free_conf; | |
2067 | } | |
2068 | ||
1f7ea1cd QZ |
2069 | ret = ice_vc_fdir_write_fltr(vf, conf, true, is_tun); |
2070 | if (ret) { | |
2071 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2072 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2073 | dev_err(dev, "VF %d: writing FDIR rule failed, ret:%d\n", | |
2074 | vf->vf_id, ret); | |
2075 | goto err_rem_entry; | |
2076 | } | |
2077 | ||
1f7ea1cd | 2078 | exit: |
1f7ea1cd QZ |
2079 | kfree(stat); |
2080 | return ret; | |
2081 | ||
2082 | err_rem_entry: | |
d6218317 QZ |
2083 | ice_vc_fdir_clear_irq_ctx(vf); |
2084 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
1f7ea1cd QZ |
2085 | err_free_conf: |
2086 | devm_kfree(dev, conf); | |
2087 | err_exit: | |
2088 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_FDIR_FILTER, v_ret, | |
2089 | (u8 *)stat, len); | |
2090 | kfree(stat); | |
2091 | return ret; | |
2092 | } | |
2093 | ||
2094 | /** | |
2095 | * ice_vc_del_fdir_fltr - delete a FDIR filter for VF by the msg buffer | |
2096 | * @vf: pointer to the VF info | |
2097 | * @msg: pointer to the msg buffer | |
2098 | * | |
2099 | * Return: 0 on success, and other on error. | |
2100 | */ | |
2101 | int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg) | |
2102 | { | |
2103 | struct virtchnl_fdir_del *fltr = (struct virtchnl_fdir_del *)msg; | |
2104 | struct virtchnl_fdir_del *stat = NULL; | |
2105 | struct virtchnl_fdir_fltr_conf *conf; | |
2106 | enum virtchnl_status_code v_ret; | |
2107 | struct device *dev; | |
2108 | struct ice_pf *pf; | |
2109 | int is_tun = 0; | |
2110 | int len = 0; | |
2111 | int ret; | |
2112 | ||
2113 | pf = vf->pf; | |
2114 | dev = ice_pf_to_dev(pf); | |
2115 | ret = ice_vc_fdir_param_check(vf, fltr->vsi_id); | |
2116 | if (ret) { | |
2117 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2118 | dev_dbg(dev, "Parameter check for VF %d failed\n", vf->vf_id); | |
2119 | goto err_exit; | |
2120 | } | |
2121 | ||
2122 | stat = kzalloc(sizeof(*stat), GFP_KERNEL); | |
2123 | if (!stat) { | |
2124 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2125 | dev_dbg(dev, "Alloc stat for VF %d failed\n", vf->vf_id); | |
2126 | goto err_exit; | |
2127 | } | |
2128 | ||
2129 | len = sizeof(*stat); | |
2130 | ||
2131 | conf = ice_vc_fdir_lookup_entry(vf, fltr->flow_id); | |
2132 | if (!conf) { | |
2133 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2134 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST; | |
2135 | dev_dbg(dev, "VF %d: FDIR invalid flow_id:0x%X\n", | |
2136 | vf->vf_id, fltr->flow_id); | |
2137 | goto err_exit; | |
2138 | } | |
2139 | ||
2140 | /* Just return failure when ctrl_vsi idx is invalid */ | |
2141 | if (vf->ctrl_vsi_idx == ICE_NO_VSI) { | |
2142 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2143 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2144 | dev_err(dev, "Invalid FDIR ctrl_vsi for VF %d\n", vf->vf_id); | |
2145 | goto err_exit; | |
2146 | } | |
2147 | ||
d6218317 QZ |
2148 | ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_DEL_FDIR_FILTER); |
2149 | if (ret) { | |
2150 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2151 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2152 | dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id); | |
2153 | goto err_exit; | |
2154 | } | |
2155 | ||
1f7ea1cd QZ |
2156 | ret = ice_vc_fdir_write_fltr(vf, conf, false, is_tun); |
2157 | if (ret) { | |
2158 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2159 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2160 | dev_err(dev, "VF %d: writing FDIR rule failed, ret:%d\n", | |
2161 | vf->vf_id, ret); | |
d6218317 | 2162 | goto err_del_tmr; |
1f7ea1cd QZ |
2163 | } |
2164 | ||
d6218317 | 2165 | kfree(stat); |
1f7ea1cd | 2166 | |
d6218317 | 2167 | return ret; |
1f7ea1cd | 2168 | |
d6218317 QZ |
2169 | err_del_tmr: |
2170 | ice_vc_fdir_clear_irq_ctx(vf); | |
1f7ea1cd QZ |
2171 | err_exit: |
2172 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_FDIR_FILTER, v_ret, | |
2173 | (u8 *)stat, len); | |
2174 | kfree(stat); | |
2175 | return ret; | |
2176 | } | |
2177 | ||
2178 | /** | |
2179 | * ice_vf_fdir_init - init FDIR resource for VF | |
2180 | * @vf: pointer to the VF info | |
2181 | */ | |
2182 | void ice_vf_fdir_init(struct ice_vf *vf) | |
2183 | { | |
2184 | struct ice_vf_fdir *fdir = &vf->fdir; | |
2185 | ||
2186 | idr_init(&fdir->fdir_rule_idr); | |
2187 | INIT_LIST_HEAD(&fdir->fdir_rule_list); | |
d6218317 QZ |
2188 | |
2189 | spin_lock_init(&fdir->ctx_lock); | |
2190 | fdir->ctx_irq.flags = 0; | |
2191 | fdir->ctx_done.flags = 0; | |
1f7ea1cd QZ |
2192 | } |
2193 | ||
2194 | /** | |
2195 | * ice_vf_fdir_exit - destroy FDIR resource for VF | |
2196 | * @vf: pointer to the VF info | |
2197 | */ | |
2198 | void ice_vf_fdir_exit(struct ice_vf *vf) | |
2199 | { | |
2200 | ice_vc_fdir_flush_entry(vf); | |
2201 | idr_destroy(&vf->fdir.fdir_rule_idr); | |
2202 | ice_vc_fdir_rem_prof_all(vf); | |
2203 | ice_vc_fdir_free_prof_all(vf); | |
2204 | } |