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1f7ea1cd | 1 | // SPDX-License-Identifier: GPL-2.0 |
ba1124f5 | 2 | /* Copyright (C) 2021-2023, Intel Corporation. */ |
1f7ea1cd QZ |
3 | |
4 | #include "ice.h" | |
5 | #include "ice_base.h" | |
6 | #include "ice_lib.h" | |
7 | #include "ice_flow.h" | |
109aba47 | 8 | #include "ice_vf_lib_private.h" |
1f7ea1cd QZ |
9 | |
10 | #define to_fltr_conf_from_desc(p) \ | |
11 | container_of(p, struct virtchnl_fdir_fltr_conf, input) | |
12 | ||
ef9e4cc5 QZ |
13 | #define GTPU_TEID_OFFSET 4 |
14 | #define GTPU_EH_QFI_OFFSET 1 | |
15 | #define GTPU_EH_QFI_MASK 0x3F | |
213528fe QZ |
16 | #define PFCP_S_OFFSET 0 |
17 | #define PFCP_S_MASK 0x1 | |
18 | #define PFCP_PORT_NR 8805 | |
19 | ||
20 | #define FDIR_INSET_FLAG_ESP_S 0 | |
21 | #define FDIR_INSET_FLAG_ESP_M BIT_ULL(FDIR_INSET_FLAG_ESP_S) | |
22 | #define FDIR_INSET_FLAG_ESP_UDP BIT_ULL(FDIR_INSET_FLAG_ESP_S) | |
23 | #define FDIR_INSET_FLAG_ESP_IPSEC (0ULL << FDIR_INSET_FLAG_ESP_S) | |
ef9e4cc5 QZ |
24 | |
25 | enum ice_fdir_tunnel_type { | |
26 | ICE_FDIR_TUNNEL_TYPE_NONE = 0, | |
27 | ICE_FDIR_TUNNEL_TYPE_GTPU, | |
28 | ICE_FDIR_TUNNEL_TYPE_GTPU_EH, | |
99f419df JG |
29 | ICE_FDIR_TUNNEL_TYPE_ECPRI, |
30 | ICE_FDIR_TUNNEL_TYPE_GTPU_INNER, | |
31 | ICE_FDIR_TUNNEL_TYPE_GTPU_EH_INNER, | |
32 | ICE_FDIR_TUNNEL_TYPE_GRE, | |
33 | ICE_FDIR_TUNNEL_TYPE_GTPOGRE, | |
34 | ICE_FDIR_TUNNEL_TYPE_GTPOGRE_INNER, | |
35 | ICE_FDIR_TUNNEL_TYPE_GRE_INNER, | |
36 | ICE_FDIR_TUNNEL_TYPE_L2TPV2, | |
37 | ICE_FDIR_TUNNEL_TYPE_L2TPV2_INNER, | |
ef9e4cc5 QZ |
38 | }; |
39 | ||
1f7ea1cd QZ |
40 | struct virtchnl_fdir_fltr_conf { |
41 | struct ice_fdir_fltr input; | |
ef9e4cc5 | 42 | enum ice_fdir_tunnel_type ttype; |
213528fe | 43 | u64 inset_flag; |
d6218317 | 44 | u32 flow_id; |
99f419df JG |
45 | |
46 | struct ice_parser_profile *prof; | |
47 | bool parser_ena; | |
48 | u8 *pkt_buf; | |
49 | u8 pkt_len; | |
1f7ea1cd QZ |
50 | }; |
51 | ||
52 | struct virtchnl_fdir_inset_map { | |
53 | enum virtchnl_proto_hdr_field field; | |
54 | enum ice_flow_field fld; | |
213528fe QZ |
55 | u64 flag; |
56 | u64 mask; | |
1f7ea1cd QZ |
57 | }; |
58 | ||
59 | static const struct virtchnl_fdir_inset_map fdir_inset_map[] = { | |
213528fe QZ |
60 | {VIRTCHNL_PROTO_HDR_ETH_ETHERTYPE, ICE_FLOW_FIELD_IDX_ETH_TYPE, 0, 0}, |
61 | {VIRTCHNL_PROTO_HDR_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA, 0, 0}, | |
62 | {VIRTCHNL_PROTO_HDR_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA, 0, 0}, | |
63 | {VIRTCHNL_PROTO_HDR_IPV4_DSCP, ICE_FLOW_FIELD_IDX_IPV4_DSCP, 0, 0}, | |
64 | {VIRTCHNL_PROTO_HDR_IPV4_TTL, ICE_FLOW_FIELD_IDX_IPV4_TTL, 0, 0}, | |
65 | {VIRTCHNL_PROTO_HDR_IPV4_PROT, ICE_FLOW_FIELD_IDX_IPV4_PROT, 0, 0}, | |
66 | {VIRTCHNL_PROTO_HDR_IPV6_SRC, ICE_FLOW_FIELD_IDX_IPV6_SA, 0, 0}, | |
67 | {VIRTCHNL_PROTO_HDR_IPV6_DST, ICE_FLOW_FIELD_IDX_IPV6_DA, 0, 0}, | |
68 | {VIRTCHNL_PROTO_HDR_IPV6_TC, ICE_FLOW_FIELD_IDX_IPV6_DSCP, 0, 0}, | |
69 | {VIRTCHNL_PROTO_HDR_IPV6_HOP_LIMIT, ICE_FLOW_FIELD_IDX_IPV6_TTL, 0, 0}, | |
70 | {VIRTCHNL_PROTO_HDR_IPV6_PROT, ICE_FLOW_FIELD_IDX_IPV6_PROT, 0, 0}, | |
71 | {VIRTCHNL_PROTO_HDR_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT, 0, 0}, | |
72 | {VIRTCHNL_PROTO_HDR_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT, 0, 0}, | |
73 | {VIRTCHNL_PROTO_HDR_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT, 0, 0}, | |
74 | {VIRTCHNL_PROTO_HDR_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT, 0, 0}, | |
75 | {VIRTCHNL_PROTO_HDR_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT, 0, 0}, | |
76 | {VIRTCHNL_PROTO_HDR_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT, 0, 0}, | |
77 | {VIRTCHNL_PROTO_HDR_GTPU_IP_TEID, ICE_FLOW_FIELD_IDX_GTPU_IP_TEID, 0, 0}, | |
78 | {VIRTCHNL_PROTO_HDR_GTPU_EH_QFI, ICE_FLOW_FIELD_IDX_GTPU_EH_QFI, 0, 0}, | |
79 | {VIRTCHNL_PROTO_HDR_ESP_SPI, ICE_FLOW_FIELD_IDX_ESP_SPI, | |
80 | FDIR_INSET_FLAG_ESP_IPSEC, FDIR_INSET_FLAG_ESP_M}, | |
81 | {VIRTCHNL_PROTO_HDR_ESP_SPI, ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI, | |
82 | FDIR_INSET_FLAG_ESP_UDP, FDIR_INSET_FLAG_ESP_M}, | |
83 | {VIRTCHNL_PROTO_HDR_AH_SPI, ICE_FLOW_FIELD_IDX_AH_SPI, 0, 0}, | |
84 | {VIRTCHNL_PROTO_HDR_L2TPV3_SESS_ID, ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID, 0, 0}, | |
85 | {VIRTCHNL_PROTO_HDR_PFCP_S_FIELD, ICE_FLOW_FIELD_IDX_UDP_DST_PORT, 0, 0}, | |
1f7ea1cd QZ |
86 | }; |
87 | ||
88 | /** | |
89 | * ice_vc_fdir_param_check | |
90 | * @vf: pointer to the VF structure | |
91 | * @vsi_id: VF relative VSI ID | |
92 | * | |
93 | * Check for the valid VSI ID, PF's state and VF's state | |
94 | * | |
95 | * Return: 0 on success, and -EINVAL on error. | |
96 | */ | |
97 | static int | |
98 | ice_vc_fdir_param_check(struct ice_vf *vf, u16 vsi_id) | |
99 | { | |
100 | struct ice_pf *pf = vf->pf; | |
101 | ||
102 | if (!test_bit(ICE_FLAG_FD_ENA, pf->flags)) | |
103 | return -EINVAL; | |
104 | ||
105 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
106 | return -EINVAL; | |
107 | ||
108 | if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_FDIR_PF)) | |
109 | return -EINVAL; | |
110 | ||
1f7ea1cd QZ |
111 | if (!ice_vc_isvalid_vsi_id(vf, vsi_id)) |
112 | return -EINVAL; | |
113 | ||
772dec64 | 114 | if (!ice_get_vf_vsi(vf)) |
1f7ea1cd QZ |
115 | return -EINVAL; |
116 | ||
117 | return 0; | |
118 | } | |
119 | ||
120 | /** | |
121 | * ice_vf_start_ctrl_vsi | |
122 | * @vf: pointer to the VF structure | |
123 | * | |
124 | * Allocate ctrl_vsi for the first time and open the ctrl_vsi port for VF | |
125 | * | |
126 | * Return: 0 on success, and other on error. | |
127 | */ | |
128 | static int ice_vf_start_ctrl_vsi(struct ice_vf *vf) | |
129 | { | |
130 | struct ice_pf *pf = vf->pf; | |
131 | struct ice_vsi *ctrl_vsi; | |
132 | struct device *dev; | |
133 | int err; | |
134 | ||
135 | dev = ice_pf_to_dev(pf); | |
136 | if (vf->ctrl_vsi_idx != ICE_NO_VSI) | |
137 | return -EEXIST; | |
138 | ||
139 | ctrl_vsi = ice_vf_ctrl_vsi_setup(vf); | |
140 | if (!ctrl_vsi) { | |
141 | dev_dbg(dev, "Could not setup control VSI for VF %d\n", | |
142 | vf->vf_id); | |
143 | return -ENOMEM; | |
144 | } | |
145 | ||
146 | err = ice_vsi_open_ctrl(ctrl_vsi); | |
147 | if (err) { | |
148 | dev_dbg(dev, "Could not open control VSI for VF %d\n", | |
149 | vf->vf_id); | |
150 | goto err_vsi_open; | |
151 | } | |
152 | ||
153 | return 0; | |
154 | ||
155 | err_vsi_open: | |
156 | ice_vsi_release(ctrl_vsi); | |
157 | if (vf->ctrl_vsi_idx != ICE_NO_VSI) { | |
158 | pf->vsi[vf->ctrl_vsi_idx] = NULL; | |
159 | vf->ctrl_vsi_idx = ICE_NO_VSI; | |
160 | } | |
161 | return err; | |
162 | } | |
163 | ||
164 | /** | |
165 | * ice_vc_fdir_alloc_prof - allocate profile for this filter flow type | |
166 | * @vf: pointer to the VF structure | |
167 | * @flow: filter flow type | |
168 | * | |
169 | * Return: 0 on success, and other on error. | |
170 | */ | |
171 | static int | |
172 | ice_vc_fdir_alloc_prof(struct ice_vf *vf, enum ice_fltr_ptype flow) | |
173 | { | |
174 | struct ice_vf_fdir *fdir = &vf->fdir; | |
175 | ||
176 | if (!fdir->fdir_prof) { | |
177 | fdir->fdir_prof = devm_kcalloc(ice_pf_to_dev(vf->pf), | |
178 | ICE_FLTR_PTYPE_MAX, | |
179 | sizeof(*fdir->fdir_prof), | |
180 | GFP_KERNEL); | |
181 | if (!fdir->fdir_prof) | |
182 | return -ENOMEM; | |
183 | } | |
184 | ||
185 | if (!fdir->fdir_prof[flow]) { | |
186 | fdir->fdir_prof[flow] = devm_kzalloc(ice_pf_to_dev(vf->pf), | |
187 | sizeof(**fdir->fdir_prof), | |
188 | GFP_KERNEL); | |
189 | if (!fdir->fdir_prof[flow]) | |
190 | return -ENOMEM; | |
191 | } | |
192 | ||
193 | return 0; | |
194 | } | |
195 | ||
196 | /** | |
197 | * ice_vc_fdir_free_prof - free profile for this filter flow type | |
198 | * @vf: pointer to the VF structure | |
199 | * @flow: filter flow type | |
200 | */ | |
201 | static void | |
202 | ice_vc_fdir_free_prof(struct ice_vf *vf, enum ice_fltr_ptype flow) | |
203 | { | |
204 | struct ice_vf_fdir *fdir = &vf->fdir; | |
205 | ||
206 | if (!fdir->fdir_prof) | |
207 | return; | |
208 | ||
209 | if (!fdir->fdir_prof[flow]) | |
210 | return; | |
211 | ||
212 | devm_kfree(ice_pf_to_dev(vf->pf), fdir->fdir_prof[flow]); | |
213 | fdir->fdir_prof[flow] = NULL; | |
214 | } | |
215 | ||
216 | /** | |
217 | * ice_vc_fdir_free_prof_all - free all the profile for this VF | |
218 | * @vf: pointer to the VF structure | |
219 | */ | |
220 | static void ice_vc_fdir_free_prof_all(struct ice_vf *vf) | |
221 | { | |
222 | struct ice_vf_fdir *fdir = &vf->fdir; | |
223 | enum ice_fltr_ptype flow; | |
224 | ||
225 | if (!fdir->fdir_prof) | |
226 | return; | |
227 | ||
228 | for (flow = ICE_FLTR_PTYPE_NONF_NONE; flow < ICE_FLTR_PTYPE_MAX; flow++) | |
229 | ice_vc_fdir_free_prof(vf, flow); | |
230 | ||
231 | devm_kfree(ice_pf_to_dev(vf->pf), fdir->fdir_prof); | |
232 | fdir->fdir_prof = NULL; | |
233 | } | |
234 | ||
235 | /** | |
236 | * ice_vc_fdir_parse_flow_fld | |
237 | * @proto_hdr: virtual channel protocol filter header | |
238 | * @conf: FDIR configuration for each filter | |
239 | * @fld: field type array | |
240 | * @fld_cnt: field counter | |
241 | * | |
242 | * Parse the virtual channel filter header and store them into field type array | |
243 | * | |
244 | * Return: 0 on success, and other on error. | |
245 | */ | |
246 | static int | |
247 | ice_vc_fdir_parse_flow_fld(struct virtchnl_proto_hdr *proto_hdr, | |
248 | struct virtchnl_fdir_fltr_conf *conf, | |
249 | enum ice_flow_field *fld, int *fld_cnt) | |
250 | { | |
251 | struct virtchnl_proto_hdr hdr; | |
252 | u32 i; | |
253 | ||
254 | memcpy(&hdr, proto_hdr, sizeof(hdr)); | |
255 | ||
256 | for (i = 0; (i < ARRAY_SIZE(fdir_inset_map)) && | |
257 | VIRTCHNL_GET_PROTO_HDR_FIELD(&hdr); i++) | |
258 | if (VIRTCHNL_TEST_PROTO_HDR(&hdr, fdir_inset_map[i].field)) { | |
213528fe QZ |
259 | if (fdir_inset_map[i].mask && |
260 | ((fdir_inset_map[i].mask & conf->inset_flag) != | |
261 | fdir_inset_map[i].flag)) | |
262 | continue; | |
263 | ||
1f7ea1cd QZ |
264 | fld[*fld_cnt] = fdir_inset_map[i].fld; |
265 | *fld_cnt += 1; | |
266 | if (*fld_cnt >= ICE_FLOW_FIELD_IDX_MAX) | |
267 | return -EINVAL; | |
268 | VIRTCHNL_DEL_PROTO_HDR_FIELD(&hdr, | |
269 | fdir_inset_map[i].field); | |
270 | } | |
271 | ||
272 | return 0; | |
273 | } | |
274 | ||
275 | /** | |
276 | * ice_vc_fdir_set_flow_fld | |
277 | * @vf: pointer to the VF structure | |
278 | * @fltr: virtual channel add cmd buffer | |
279 | * @conf: FDIR configuration for each filter | |
280 | * @seg: array of one or more packet segments that describe the flow | |
281 | * | |
282 | * Parse the virtual channel add msg buffer's field vector and store them into | |
283 | * flow's packet segment field | |
284 | * | |
285 | * Return: 0 on success, and other on error. | |
286 | */ | |
287 | static int | |
288 | ice_vc_fdir_set_flow_fld(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
289 | struct virtchnl_fdir_fltr_conf *conf, | |
290 | struct ice_flow_seg_info *seg) | |
291 | { | |
292 | struct virtchnl_fdir_rule *rule = &fltr->rule_cfg; | |
293 | enum ice_flow_field fld[ICE_FLOW_FIELD_IDX_MAX]; | |
294 | struct device *dev = ice_pf_to_dev(vf->pf); | |
295 | struct virtchnl_proto_hdrs *proto; | |
296 | int fld_cnt = 0; | |
297 | int i; | |
298 | ||
299 | proto = &rule->proto_hdrs; | |
300 | for (i = 0; i < proto->count; i++) { | |
301 | struct virtchnl_proto_hdr *hdr = &proto->proto_hdr[i]; | |
302 | int ret; | |
303 | ||
304 | ret = ice_vc_fdir_parse_flow_fld(hdr, conf, fld, &fld_cnt); | |
305 | if (ret) | |
306 | return ret; | |
307 | } | |
308 | ||
309 | if (fld_cnt == 0) { | |
310 | dev_dbg(dev, "Empty input set for VF %d\n", vf->vf_id); | |
311 | return -EINVAL; | |
312 | } | |
313 | ||
314 | for (i = 0; i < fld_cnt; i++) | |
315 | ice_flow_set_fld(seg, fld[i], | |
316 | ICE_FLOW_FLD_OFF_INVAL, | |
317 | ICE_FLOW_FLD_OFF_INVAL, | |
318 | ICE_FLOW_FLD_OFF_INVAL, false); | |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
323 | /** | |
324 | * ice_vc_fdir_set_flow_hdr - config the flow's packet segment header | |
325 | * @vf: pointer to the VF structure | |
326 | * @conf: FDIR configuration for each filter | |
327 | * @seg: array of one or more packet segments that describe the flow | |
328 | * | |
329 | * Return: 0 on success, and other on error. | |
330 | */ | |
331 | static int | |
332 | ice_vc_fdir_set_flow_hdr(struct ice_vf *vf, | |
333 | struct virtchnl_fdir_fltr_conf *conf, | |
334 | struct ice_flow_seg_info *seg) | |
335 | { | |
336 | enum ice_fltr_ptype flow = conf->input.flow_type; | |
ef9e4cc5 | 337 | enum ice_fdir_tunnel_type ttype = conf->ttype; |
1f7ea1cd QZ |
338 | struct device *dev = ice_pf_to_dev(vf->pf); |
339 | ||
340 | switch (flow) { | |
21606584 QZ |
341 | case ICE_FLTR_PTYPE_NON_IP_L2: |
342 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ETH_NON_IP); | |
343 | break; | |
213528fe QZ |
344 | case ICE_FLTR_PTYPE_NONF_IPV4_L2TPV3: |
345 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_L2TPV3 | | |
346 | ICE_FLOW_SEG_HDR_IPV4 | | |
347 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
348 | break; | |
349 | case ICE_FLTR_PTYPE_NONF_IPV4_ESP: | |
350 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ESP | | |
351 | ICE_FLOW_SEG_HDR_IPV4 | | |
352 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
353 | break; | |
354 | case ICE_FLTR_PTYPE_NONF_IPV4_AH: | |
355 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_AH | | |
356 | ICE_FLOW_SEG_HDR_IPV4 | | |
357 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
358 | break; | |
359 | case ICE_FLTR_PTYPE_NONF_IPV4_NAT_T_ESP: | |
360 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_NAT_T_ESP | | |
361 | ICE_FLOW_SEG_HDR_IPV4 | | |
362 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
363 | break; | |
364 | case ICE_FLTR_PTYPE_NONF_IPV4_PFCP_NODE: | |
365 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_NODE | | |
366 | ICE_FLOW_SEG_HDR_IPV4 | | |
367 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
368 | break; | |
369 | case ICE_FLTR_PTYPE_NONF_IPV4_PFCP_SESSION: | |
370 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_SESSION | | |
371 | ICE_FLOW_SEG_HDR_IPV4 | | |
372 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
373 | break; | |
1f7ea1cd QZ |
374 | case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: |
375 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4 | | |
376 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
377 | break; | |
378 | case ICE_FLTR_PTYPE_NONF_IPV4_TCP: | |
379 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP | | |
380 | ICE_FLOW_SEG_HDR_IPV4 | | |
381 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
382 | break; | |
383 | case ICE_FLTR_PTYPE_NONF_IPV4_UDP: | |
384 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP | | |
385 | ICE_FLOW_SEG_HDR_IPV4 | | |
386 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
387 | break; | |
ef9e4cc5 QZ |
388 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP: |
389 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP: | |
390 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP: | |
391 | case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER: | |
392 | if (ttype == ICE_FDIR_TUNNEL_TYPE_GTPU) { | |
393 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_IP | | |
394 | ICE_FLOW_SEG_HDR_IPV4 | | |
395 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
396 | } else if (ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_EH) { | |
397 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_EH | | |
398 | ICE_FLOW_SEG_HDR_GTPU_IP | | |
399 | ICE_FLOW_SEG_HDR_IPV4 | | |
400 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
401 | } else { | |
402 | dev_dbg(dev, "Invalid tunnel type 0x%x for VF %d\n", | |
403 | flow, vf->vf_id); | |
404 | return -EINVAL; | |
405 | } | |
406 | break; | |
1f7ea1cd QZ |
407 | case ICE_FLTR_PTYPE_NONF_IPV4_SCTP: |
408 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP | | |
409 | ICE_FLOW_SEG_HDR_IPV4 | | |
410 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
411 | break; | |
213528fe QZ |
412 | case ICE_FLTR_PTYPE_NONF_IPV6_L2TPV3: |
413 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_L2TPV3 | | |
414 | ICE_FLOW_SEG_HDR_IPV6 | | |
415 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
416 | break; | |
417 | case ICE_FLTR_PTYPE_NONF_IPV6_ESP: | |
418 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ESP | | |
419 | ICE_FLOW_SEG_HDR_IPV6 | | |
420 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
421 | break; | |
422 | case ICE_FLTR_PTYPE_NONF_IPV6_AH: | |
423 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_AH | | |
424 | ICE_FLOW_SEG_HDR_IPV6 | | |
425 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
426 | break; | |
427 | case ICE_FLTR_PTYPE_NONF_IPV6_NAT_T_ESP: | |
428 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_NAT_T_ESP | | |
429 | ICE_FLOW_SEG_HDR_IPV6 | | |
430 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
431 | break; | |
432 | case ICE_FLTR_PTYPE_NONF_IPV6_PFCP_NODE: | |
433 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_NODE | | |
434 | ICE_FLOW_SEG_HDR_IPV6 | | |
435 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
436 | break; | |
437 | case ICE_FLTR_PTYPE_NONF_IPV6_PFCP_SESSION: | |
438 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_PFCP_SESSION | | |
439 | ICE_FLOW_SEG_HDR_IPV6 | | |
440 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
441 | break; | |
1f7ea1cd QZ |
442 | case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: |
443 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6 | | |
444 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
445 | break; | |
446 | case ICE_FLTR_PTYPE_NONF_IPV6_TCP: | |
447 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP | | |
448 | ICE_FLOW_SEG_HDR_IPV6 | | |
449 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
450 | break; | |
451 | case ICE_FLTR_PTYPE_NONF_IPV6_UDP: | |
452 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP | | |
453 | ICE_FLOW_SEG_HDR_IPV6 | | |
454 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
455 | break; | |
456 | case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: | |
457 | ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP | | |
458 | ICE_FLOW_SEG_HDR_IPV6 | | |
459 | ICE_FLOW_SEG_HDR_IPV_OTHER); | |
460 | break; | |
461 | default: | |
462 | dev_dbg(dev, "Invalid flow type 0x%x for VF %d failed\n", | |
463 | flow, vf->vf_id); | |
464 | return -EINVAL; | |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | /** | |
471 | * ice_vc_fdir_rem_prof - remove profile for this filter flow type | |
472 | * @vf: pointer to the VF structure | |
473 | * @flow: filter flow type | |
474 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
475 | */ | |
476 | static void | |
477 | ice_vc_fdir_rem_prof(struct ice_vf *vf, enum ice_fltr_ptype flow, int tun) | |
478 | { | |
479 | struct ice_vf_fdir *fdir = &vf->fdir; | |
480 | struct ice_fd_hw_prof *vf_prof; | |
481 | struct ice_pf *pf = vf->pf; | |
482 | struct ice_vsi *vf_vsi; | |
483 | struct device *dev; | |
484 | struct ice_hw *hw; | |
485 | u64 prof_id; | |
486 | int i; | |
487 | ||
488 | dev = ice_pf_to_dev(pf); | |
489 | hw = &pf->hw; | |
490 | if (!fdir->fdir_prof || !fdir->fdir_prof[flow]) | |
491 | return; | |
492 | ||
493 | vf_prof = fdir->fdir_prof[flow]; | |
b1f5921a | 494 | prof_id = vf_prof->prof_id[tun]; |
1f7ea1cd | 495 | |
772dec64 | 496 | vf_vsi = ice_get_vf_vsi(vf); |
1f7ea1cd QZ |
497 | if (!vf_vsi) { |
498 | dev_dbg(dev, "NULL vf %d vsi pointer\n", vf->vf_id); | |
499 | return; | |
500 | } | |
501 | ||
502 | if (!fdir->prof_entry_cnt[flow][tun]) | |
503 | return; | |
504 | ||
1f7ea1cd QZ |
505 | for (i = 0; i < fdir->prof_entry_cnt[flow][tun]; i++) |
506 | if (vf_prof->entry_h[i][tun]) { | |
507 | u16 vsi_num = ice_get_hw_vsi_num(hw, vf_prof->vsi_h[i]); | |
508 | ||
509 | ice_rem_prof_id_flow(hw, ICE_BLK_FD, vsi_num, prof_id); | |
510 | ice_flow_rem_entry(hw, ICE_BLK_FD, | |
511 | vf_prof->entry_h[i][tun]); | |
512 | vf_prof->entry_h[i][tun] = 0; | |
513 | } | |
514 | ||
515 | ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id); | |
516 | devm_kfree(dev, vf_prof->fdir_seg[tun]); | |
517 | vf_prof->fdir_seg[tun] = NULL; | |
518 | ||
519 | for (i = 0; i < vf_prof->cnt; i++) | |
520 | vf_prof->vsi_h[i] = 0; | |
521 | ||
522 | fdir->prof_entry_cnt[flow][tun] = 0; | |
523 | } | |
524 | ||
525 | /** | |
526 | * ice_vc_fdir_rem_prof_all - remove profile for this VF | |
527 | * @vf: pointer to the VF structure | |
528 | */ | |
529 | static void ice_vc_fdir_rem_prof_all(struct ice_vf *vf) | |
530 | { | |
531 | enum ice_fltr_ptype flow; | |
532 | ||
533 | for (flow = ICE_FLTR_PTYPE_NONF_NONE; | |
534 | flow < ICE_FLTR_PTYPE_MAX; flow++) { | |
535 | ice_vc_fdir_rem_prof(vf, flow, 0); | |
536 | ice_vc_fdir_rem_prof(vf, flow, 1); | |
537 | } | |
538 | } | |
539 | ||
83c911dc LL |
540 | /** |
541 | * ice_vc_fdir_reset_cnt_all - reset all FDIR counters for this VF FDIR | |
542 | * @fdir: pointer to the VF FDIR structure | |
543 | */ | |
544 | static void ice_vc_fdir_reset_cnt_all(struct ice_vf_fdir *fdir) | |
545 | { | |
546 | enum ice_fltr_ptype flow; | |
547 | ||
548 | for (flow = ICE_FLTR_PTYPE_NONF_NONE; | |
549 | flow < ICE_FLTR_PTYPE_MAX; flow++) { | |
550 | fdir->fdir_fltr_cnt[flow][0] = 0; | |
551 | fdir->fdir_fltr_cnt[flow][1] = 0; | |
552 | } | |
6ebbe97a AZ |
553 | |
554 | fdir->fdir_fltr_cnt_total = 0; | |
83c911dc LL |
555 | } |
556 | ||
29486b6d JG |
557 | /** |
558 | * ice_vc_fdir_has_prof_conflict | |
559 | * @vf: pointer to the VF structure | |
560 | * @conf: FDIR configuration for each filter | |
561 | * | |
562 | * Check if @conf has conflicting profile with existing profiles | |
563 | * | |
564 | * Return: true on success, and false on error. | |
565 | */ | |
566 | static bool | |
567 | ice_vc_fdir_has_prof_conflict(struct ice_vf *vf, | |
568 | struct virtchnl_fdir_fltr_conf *conf) | |
569 | { | |
570 | struct ice_fdir_fltr *desc; | |
571 | ||
572 | list_for_each_entry(desc, &vf->fdir.fdir_rule_list, fltr_node) { | |
573 | struct virtchnl_fdir_fltr_conf *existing_conf; | |
574 | enum ice_fltr_ptype flow_type_a, flow_type_b; | |
575 | struct ice_fdir_fltr *a, *b; | |
576 | ||
577 | existing_conf = to_fltr_conf_from_desc(desc); | |
578 | a = &existing_conf->input; | |
579 | b = &conf->input; | |
580 | flow_type_a = a->flow_type; | |
581 | flow_type_b = b->flow_type; | |
582 | ||
583 | /* No need to compare two rules with different tunnel types or | |
584 | * with the same protocol type. | |
585 | */ | |
586 | if (existing_conf->ttype != conf->ttype || | |
587 | flow_type_a == flow_type_b) | |
588 | continue; | |
589 | ||
590 | switch (flow_type_a) { | |
591 | case ICE_FLTR_PTYPE_NONF_IPV4_UDP: | |
592 | case ICE_FLTR_PTYPE_NONF_IPV4_TCP: | |
593 | case ICE_FLTR_PTYPE_NONF_IPV4_SCTP: | |
594 | if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) | |
595 | return true; | |
596 | break; | |
597 | case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: | |
598 | if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_UDP || | |
599 | flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_TCP || | |
600 | flow_type_b == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) | |
601 | return true; | |
602 | break; | |
603 | case ICE_FLTR_PTYPE_NONF_IPV6_UDP: | |
604 | case ICE_FLTR_PTYPE_NONF_IPV6_TCP: | |
605 | case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: | |
606 | if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) | |
607 | return true; | |
608 | break; | |
609 | case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: | |
610 | if (flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_UDP || | |
611 | flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_TCP || | |
612 | flow_type_b == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) | |
613 | return true; | |
614 | break; | |
615 | default: | |
616 | break; | |
617 | } | |
618 | } | |
619 | ||
620 | return false; | |
621 | } | |
622 | ||
1f7ea1cd QZ |
623 | /** |
624 | * ice_vc_fdir_write_flow_prof | |
625 | * @vf: pointer to the VF structure | |
626 | * @flow: filter flow type | |
627 | * @seg: array of one or more packet segments that describe the flow | |
628 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
629 | * | |
630 | * Write the flow's profile config and packet segment into the hardware | |
631 | * | |
632 | * Return: 0 on success, and other on error. | |
633 | */ | |
634 | static int | |
635 | ice_vc_fdir_write_flow_prof(struct ice_vf *vf, enum ice_fltr_ptype flow, | |
636 | struct ice_flow_seg_info *seg, int tun) | |
637 | { | |
638 | struct ice_vf_fdir *fdir = &vf->fdir; | |
639 | struct ice_vsi *vf_vsi, *ctrl_vsi; | |
640 | struct ice_flow_seg_info *old_seg; | |
641 | struct ice_flow_prof *prof = NULL; | |
642 | struct ice_fd_hw_prof *vf_prof; | |
1f7ea1cd QZ |
643 | struct device *dev; |
644 | struct ice_pf *pf; | |
645 | struct ice_hw *hw; | |
646 | u64 entry1_h = 0; | |
647 | u64 entry2_h = 0; | |
1f7ea1cd QZ |
648 | int ret; |
649 | ||
650 | pf = vf->pf; | |
651 | dev = ice_pf_to_dev(pf); | |
652 | hw = &pf->hw; | |
772dec64 | 653 | vf_vsi = ice_get_vf_vsi(vf); |
1f7ea1cd QZ |
654 | if (!vf_vsi) |
655 | return -EINVAL; | |
656 | ||
657 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
658 | if (!ctrl_vsi) | |
659 | return -EINVAL; | |
660 | ||
661 | vf_prof = fdir->fdir_prof[flow]; | |
662 | old_seg = vf_prof->fdir_seg[tun]; | |
663 | if (old_seg) { | |
664 | if (!memcmp(old_seg, seg, sizeof(*seg))) { | |
665 | dev_dbg(dev, "Duplicated profile for VF %d!\n", | |
666 | vf->vf_id); | |
667 | return -EEXIST; | |
668 | } | |
669 | ||
670 | if (fdir->fdir_fltr_cnt[flow][tun]) { | |
671 | ret = -EINVAL; | |
672 | dev_dbg(dev, "Input set conflicts for VF %d\n", | |
673 | vf->vf_id); | |
674 | goto err_exit; | |
675 | } | |
676 | ||
677 | /* remove previously allocated profile */ | |
678 | ice_vc_fdir_rem_prof(vf, flow, tun); | |
679 | } | |
680 | ||
b1f5921a | 681 | ret = ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, seg, |
352e9bf2 | 682 | tun + 1, false, &prof); |
1f7ea1cd QZ |
683 | if (ret) { |
684 | dev_dbg(dev, "Could not add VSI flow 0x%x for VF %d\n", | |
685 | flow, vf->vf_id); | |
686 | goto err_exit; | |
687 | } | |
688 | ||
b1f5921a | 689 | ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof->id, vf_vsi->idx, |
2ccc1c1c TN |
690 | vf_vsi->idx, ICE_FLOW_PRIO_NORMAL, |
691 | seg, &entry1_h); | |
1f7ea1cd QZ |
692 | if (ret) { |
693 | dev_dbg(dev, "Could not add flow 0x%x VSI entry for VF %d\n", | |
694 | flow, vf->vf_id); | |
695 | goto err_prof; | |
696 | } | |
697 | ||
b1f5921a | 698 | ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof->id, vf_vsi->idx, |
2ccc1c1c TN |
699 | ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL, |
700 | seg, &entry2_h); | |
1f7ea1cd QZ |
701 | if (ret) { |
702 | dev_dbg(dev, | |
703 | "Could not add flow 0x%x Ctrl VSI entry for VF %d\n", | |
704 | flow, vf->vf_id); | |
705 | goto err_entry_1; | |
706 | } | |
707 | ||
708 | vf_prof->fdir_seg[tun] = seg; | |
709 | vf_prof->cnt = 0; | |
710 | fdir->prof_entry_cnt[flow][tun] = 0; | |
711 | ||
712 | vf_prof->entry_h[vf_prof->cnt][tun] = entry1_h; | |
713 | vf_prof->vsi_h[vf_prof->cnt] = vf_vsi->idx; | |
714 | vf_prof->cnt++; | |
715 | fdir->prof_entry_cnt[flow][tun]++; | |
716 | ||
717 | vf_prof->entry_h[vf_prof->cnt][tun] = entry2_h; | |
718 | vf_prof->vsi_h[vf_prof->cnt] = ctrl_vsi->idx; | |
719 | vf_prof->cnt++; | |
720 | fdir->prof_entry_cnt[flow][tun]++; | |
721 | ||
b1f5921a AZ |
722 | vf_prof->prof_id[tun] = prof->id; |
723 | ||
1f7ea1cd QZ |
724 | return 0; |
725 | ||
726 | err_entry_1: | |
727 | ice_rem_prof_id_flow(hw, ICE_BLK_FD, | |
b1f5921a | 728 | ice_get_hw_vsi_num(hw, vf_vsi->idx), prof->id); |
1f7ea1cd QZ |
729 | ice_flow_rem_entry(hw, ICE_BLK_FD, entry1_h); |
730 | err_prof: | |
b1f5921a | 731 | ice_flow_rem_prof(hw, ICE_BLK_FD, prof->id); |
1f7ea1cd QZ |
732 | err_exit: |
733 | return ret; | |
734 | } | |
735 | ||
736 | /** | |
737 | * ice_vc_fdir_config_input_set | |
738 | * @vf: pointer to the VF structure | |
739 | * @fltr: virtual channel add cmd buffer | |
740 | * @conf: FDIR configuration for each filter | |
741 | * @tun: 0 implies non-tunnel type filter, 1 implies tunnel type filter | |
742 | * | |
743 | * Config the input set type and value for virtual channel add msg buffer | |
744 | * | |
745 | * Return: 0 on success, and other on error. | |
746 | */ | |
747 | static int | |
748 | ice_vc_fdir_config_input_set(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
749 | struct virtchnl_fdir_fltr_conf *conf, int tun) | |
750 | { | |
751 | struct ice_fdir_fltr *input = &conf->input; | |
752 | struct device *dev = ice_pf_to_dev(vf->pf); | |
753 | struct ice_flow_seg_info *seg; | |
754 | enum ice_fltr_ptype flow; | |
755 | int ret; | |
756 | ||
29486b6d JG |
757 | ret = ice_vc_fdir_has_prof_conflict(vf, conf); |
758 | if (ret) { | |
759 | dev_dbg(dev, "Found flow profile conflict for VF %d\n", | |
760 | vf->vf_id); | |
761 | return ret; | |
762 | } | |
763 | ||
1f7ea1cd QZ |
764 | flow = input->flow_type; |
765 | ret = ice_vc_fdir_alloc_prof(vf, flow); | |
766 | if (ret) { | |
767 | dev_dbg(dev, "Alloc flow prof for VF %d failed\n", vf->vf_id); | |
768 | return ret; | |
769 | } | |
770 | ||
771 | seg = devm_kzalloc(dev, sizeof(*seg), GFP_KERNEL); | |
772 | if (!seg) | |
773 | return -ENOMEM; | |
774 | ||
775 | ret = ice_vc_fdir_set_flow_fld(vf, fltr, conf, seg); | |
776 | if (ret) { | |
777 | dev_dbg(dev, "Set flow field for VF %d failed\n", vf->vf_id); | |
778 | goto err_exit; | |
779 | } | |
780 | ||
781 | ret = ice_vc_fdir_set_flow_hdr(vf, conf, seg); | |
782 | if (ret) { | |
783 | dev_dbg(dev, "Set flow hdr for VF %d failed\n", vf->vf_id); | |
784 | goto err_exit; | |
785 | } | |
786 | ||
787 | ret = ice_vc_fdir_write_flow_prof(vf, flow, seg, tun); | |
788 | if (ret == -EEXIST) { | |
789 | devm_kfree(dev, seg); | |
790 | } else if (ret) { | |
791 | dev_dbg(dev, "Write flow profile for VF %d failed\n", | |
792 | vf->vf_id); | |
793 | goto err_exit; | |
794 | } | |
795 | ||
796 | return 0; | |
797 | ||
798 | err_exit: | |
799 | devm_kfree(dev, seg); | |
800 | return ret; | |
801 | } | |
802 | ||
99f419df JG |
803 | /** |
804 | * ice_vc_fdir_is_raw_flow - check if FDIR flow is raw (binary) | |
805 | * @proto: virtchnl protocol headers | |
806 | * | |
807 | * Check if the FDIR rule is raw flow (protocol agnostic flow) or not. Note | |
808 | * that common FDIR rule must have non-zero proto->count. Thus, we choose the | |
809 | * tunnel_level and count of proto as the indicators. If both tunnel_level and | |
810 | * count of proto are zero, this FDIR rule will be regarded as raw flow. | |
811 | * | |
812 | * Returns: true if headers describe raw flow, false otherwise. | |
813 | */ | |
814 | static bool | |
815 | ice_vc_fdir_is_raw_flow(struct virtchnl_proto_hdrs *proto) | |
816 | { | |
817 | return (proto->tunnel_level == 0 && proto->count == 0); | |
818 | } | |
819 | ||
820 | /** | |
821 | * ice_vc_fdir_parse_raw - parse a virtchnl raw FDIR rule | |
822 | * @vf: pointer to the VF info | |
823 | * @proto: virtchnl protocol headers | |
824 | * @conf: FDIR configuration for each filter | |
825 | * | |
826 | * Parse the virtual channel filter's raw flow and store it in @conf | |
827 | * | |
828 | * Return: 0 on success or negative errno on failure. | |
829 | */ | |
830 | static int | |
831 | ice_vc_fdir_parse_raw(struct ice_vf *vf, | |
832 | struct virtchnl_proto_hdrs *proto, | |
833 | struct virtchnl_fdir_fltr_conf *conf) | |
834 | { | |
835 | u8 *pkt_buf, *msk_buf __free(kfree); | |
836 | struct ice_parser_result rslt; | |
837 | struct ice_pf *pf = vf->pf; | |
838 | struct ice_parser *psr; | |
839 | int status = -ENOMEM; | |
840 | struct ice_hw *hw; | |
841 | u16 udp_port = 0; | |
842 | ||
843 | pkt_buf = kzalloc(proto->raw.pkt_len, GFP_KERNEL); | |
844 | msk_buf = kzalloc(proto->raw.pkt_len, GFP_KERNEL); | |
845 | if (!pkt_buf || !msk_buf) | |
846 | goto err_mem_alloc; | |
847 | ||
848 | memcpy(pkt_buf, proto->raw.spec, proto->raw.pkt_len); | |
849 | memcpy(msk_buf, proto->raw.mask, proto->raw.pkt_len); | |
850 | ||
851 | hw = &pf->hw; | |
852 | ||
853 | /* Get raw profile info via Parser Lib */ | |
854 | psr = ice_parser_create(hw); | |
855 | if (IS_ERR(psr)) { | |
856 | status = PTR_ERR(psr); | |
857 | goto err_mem_alloc; | |
858 | } | |
859 | ||
860 | ice_parser_dvm_set(psr, ice_is_dvm_ena(hw)); | |
861 | ||
862 | if (ice_get_open_tunnel_port(hw, &udp_port, TNL_VXLAN)) | |
863 | ice_parser_vxlan_tunnel_set(psr, udp_port, true); | |
864 | ||
865 | status = ice_parser_run(psr, pkt_buf, proto->raw.pkt_len, &rslt); | |
866 | if (status) | |
867 | goto err_parser_destroy; | |
868 | ||
869 | if (hw->debug_mask & ICE_DBG_PARSER) | |
870 | ice_parser_result_dump(hw, &rslt); | |
871 | ||
872 | conf->prof = kzalloc(sizeof(*conf->prof), GFP_KERNEL); | |
873 | if (!conf->prof) { | |
874 | status = -ENOMEM; | |
875 | goto err_parser_destroy; | |
876 | } | |
877 | ||
878 | status = ice_parser_profile_init(&rslt, pkt_buf, msk_buf, | |
879 | proto->raw.pkt_len, ICE_BLK_FD, | |
880 | conf->prof); | |
881 | if (status) | |
882 | goto err_parser_profile_init; | |
883 | ||
884 | if (hw->debug_mask & ICE_DBG_PARSER) | |
885 | ice_parser_profile_dump(hw, conf->prof); | |
886 | ||
887 | /* Store raw flow info into @conf */ | |
888 | conf->pkt_len = proto->raw.pkt_len; | |
889 | conf->pkt_buf = pkt_buf; | |
890 | conf->parser_ena = true; | |
891 | ||
892 | ice_parser_destroy(psr); | |
893 | return 0; | |
894 | ||
895 | err_parser_profile_init: | |
896 | kfree(conf->prof); | |
897 | err_parser_destroy: | |
898 | ice_parser_destroy(psr); | |
899 | err_mem_alloc: | |
900 | kfree(pkt_buf); | |
901 | return status; | |
902 | } | |
903 | ||
0ce332fd QZ |
904 | /** |
905 | * ice_vc_fdir_parse_pattern | |
906 | * @vf: pointer to the VF info | |
907 | * @fltr: virtual channel add cmd buffer | |
908 | * @conf: FDIR configuration for each filter | |
909 | * | |
910 | * Parse the virtual channel filter's pattern and store them into conf | |
911 | * | |
912 | * Return: 0 on success, and other on error. | |
913 | */ | |
914 | static int | |
915 | ice_vc_fdir_parse_pattern(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
916 | struct virtchnl_fdir_fltr_conf *conf) | |
917 | { | |
918 | struct virtchnl_proto_hdrs *proto = &fltr->rule_cfg.proto_hdrs; | |
919 | enum virtchnl_proto_hdr_type l3 = VIRTCHNL_PROTO_HDR_NONE; | |
213528fe | 920 | enum virtchnl_proto_hdr_type l4 = VIRTCHNL_PROTO_HDR_NONE; |
0ce332fd QZ |
921 | struct device *dev = ice_pf_to_dev(vf->pf); |
922 | struct ice_fdir_fltr *input = &conf->input; | |
923 | int i; | |
924 | ||
925 | if (proto->count > VIRTCHNL_MAX_NUM_PROTO_HDRS) { | |
926 | dev_dbg(dev, "Invalid protocol count:0x%x for VF %d\n", | |
927 | proto->count, vf->vf_id); | |
928 | return -EINVAL; | |
929 | } | |
930 | ||
99f419df JG |
931 | /* For raw FDIR filters created by the parser */ |
932 | if (ice_vc_fdir_is_raw_flow(proto)) | |
933 | return ice_vc_fdir_parse_raw(vf, proto, conf); | |
934 | ||
0ce332fd QZ |
935 | for (i = 0; i < proto->count; i++) { |
936 | struct virtchnl_proto_hdr *hdr = &proto->proto_hdr[i]; | |
213528fe QZ |
937 | struct ip_esp_hdr *esph; |
938 | struct ip_auth_hdr *ah; | |
0ce332fd QZ |
939 | struct sctphdr *sctph; |
940 | struct ipv6hdr *ip6h; | |
941 | struct udphdr *udph; | |
942 | struct tcphdr *tcph; | |
21606584 | 943 | struct ethhdr *eth; |
0ce332fd | 944 | struct iphdr *iph; |
213528fe | 945 | u8 s_field; |
ef9e4cc5 | 946 | u8 *rawh; |
0ce332fd QZ |
947 | |
948 | switch (hdr->type) { | |
949 | case VIRTCHNL_PROTO_HDR_ETH: | |
21606584 QZ |
950 | eth = (struct ethhdr *)hdr->buffer; |
951 | input->flow_type = ICE_FLTR_PTYPE_NON_IP_L2; | |
952 | ||
953 | if (hdr->field_selector) | |
954 | input->ext_data.ether_type = eth->h_proto; | |
0ce332fd QZ |
955 | break; |
956 | case VIRTCHNL_PROTO_HDR_IPV4: | |
957 | iph = (struct iphdr *)hdr->buffer; | |
958 | l3 = VIRTCHNL_PROTO_HDR_IPV4; | |
959 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_OTHER; | |
960 | ||
961 | if (hdr->field_selector) { | |
962 | input->ip.v4.src_ip = iph->saddr; | |
963 | input->ip.v4.dst_ip = iph->daddr; | |
964 | input->ip.v4.tos = iph->tos; | |
965 | input->ip.v4.proto = iph->protocol; | |
966 | } | |
967 | break; | |
968 | case VIRTCHNL_PROTO_HDR_IPV6: | |
969 | ip6h = (struct ipv6hdr *)hdr->buffer; | |
970 | l3 = VIRTCHNL_PROTO_HDR_IPV6; | |
971 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_OTHER; | |
972 | ||
973 | if (hdr->field_selector) { | |
974 | memcpy(input->ip.v6.src_ip, | |
975 | ip6h->saddr.in6_u.u6_addr8, | |
976 | sizeof(ip6h->saddr)); | |
977 | memcpy(input->ip.v6.dst_ip, | |
978 | ip6h->daddr.in6_u.u6_addr8, | |
979 | sizeof(ip6h->daddr)); | |
980 | input->ip.v6.tc = ((u8)(ip6h->priority) << 4) | | |
981 | (ip6h->flow_lbl[0] >> 4); | |
982 | input->ip.v6.proto = ip6h->nexthdr; | |
983 | } | |
984 | break; | |
985 | case VIRTCHNL_PROTO_HDR_TCP: | |
986 | tcph = (struct tcphdr *)hdr->buffer; | |
987 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
988 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_TCP; | |
989 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
990 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_TCP; | |
991 | ||
992 | if (hdr->field_selector) { | |
993 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
994 | input->ip.v4.src_port = tcph->source; | |
995 | input->ip.v4.dst_port = tcph->dest; | |
996 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
997 | input->ip.v6.src_port = tcph->source; | |
998 | input->ip.v6.dst_port = tcph->dest; | |
999 | } | |
1000 | } | |
1001 | break; | |
1002 | case VIRTCHNL_PROTO_HDR_UDP: | |
1003 | udph = (struct udphdr *)hdr->buffer; | |
1004 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1005 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_UDP; | |
1006 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1007 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_UDP; | |
1008 | ||
1009 | if (hdr->field_selector) { | |
1010 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
1011 | input->ip.v4.src_port = udph->source; | |
1012 | input->ip.v4.dst_port = udph->dest; | |
1013 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
1014 | input->ip.v6.src_port = udph->source; | |
1015 | input->ip.v6.dst_port = udph->dest; | |
1016 | } | |
1017 | } | |
1018 | break; | |
1019 | case VIRTCHNL_PROTO_HDR_SCTP: | |
1020 | sctph = (struct sctphdr *)hdr->buffer; | |
1021 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1022 | input->flow_type = | |
1023 | ICE_FLTR_PTYPE_NONF_IPV4_SCTP; | |
1024 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1025 | input->flow_type = | |
1026 | ICE_FLTR_PTYPE_NONF_IPV6_SCTP; | |
1027 | ||
1028 | if (hdr->field_selector) { | |
1029 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) { | |
1030 | input->ip.v4.src_port = sctph->source; | |
1031 | input->ip.v4.dst_port = sctph->dest; | |
1032 | } else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) { | |
1033 | input->ip.v6.src_port = sctph->source; | |
1034 | input->ip.v6.dst_port = sctph->dest; | |
1035 | } | |
1036 | } | |
1037 | break; | |
213528fe QZ |
1038 | case VIRTCHNL_PROTO_HDR_L2TPV3: |
1039 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1040 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_L2TPV3; | |
1041 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1042 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_L2TPV3; | |
1043 | ||
1044 | if (hdr->field_selector) | |
1045 | input->l2tpv3_data.session_id = *((__be32 *)hdr->buffer); | |
1046 | break; | |
1047 | case VIRTCHNL_PROTO_HDR_ESP: | |
1048 | esph = (struct ip_esp_hdr *)hdr->buffer; | |
1049 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && | |
1050 | l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1051 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_NAT_T_ESP; | |
1052 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && | |
1053 | l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1054 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_NAT_T_ESP; | |
1055 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && | |
1056 | l4 == VIRTCHNL_PROTO_HDR_NONE) | |
1057 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_ESP; | |
1058 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && | |
1059 | l4 == VIRTCHNL_PROTO_HDR_NONE) | |
1060 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_ESP; | |
1061 | ||
1062 | if (l4 == VIRTCHNL_PROTO_HDR_UDP) | |
1063 | conf->inset_flag |= FDIR_INSET_FLAG_ESP_UDP; | |
1064 | else | |
1065 | conf->inset_flag |= FDIR_INSET_FLAG_ESP_IPSEC; | |
1066 | ||
1067 | if (hdr->field_selector) { | |
1068 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1069 | input->ip.v4.sec_parm_idx = esph->spi; | |
1070 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1071 | input->ip.v6.sec_parm_idx = esph->spi; | |
1072 | } | |
1073 | break; | |
1074 | case VIRTCHNL_PROTO_HDR_AH: | |
1075 | ah = (struct ip_auth_hdr *)hdr->buffer; | |
1076 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1077 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_AH; | |
1078 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1079 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_AH; | |
1080 | ||
1081 | if (hdr->field_selector) { | |
1082 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1083 | input->ip.v4.sec_parm_idx = ah->spi; | |
1084 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1085 | input->ip.v6.sec_parm_idx = ah->spi; | |
1086 | } | |
1087 | break; | |
1088 | case VIRTCHNL_PROTO_HDR_PFCP: | |
1089 | rawh = (u8 *)hdr->buffer; | |
1090 | s_field = (rawh[0] >> PFCP_S_OFFSET) & PFCP_S_MASK; | |
1091 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && s_field == 0) | |
1092 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_PFCP_NODE; | |
1093 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV4 && s_field == 1) | |
1094 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_PFCP_SESSION; | |
1095 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && s_field == 0) | |
1096 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_PFCP_NODE; | |
1097 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6 && s_field == 1) | |
1098 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV6_PFCP_SESSION; | |
1099 | ||
1100 | if (hdr->field_selector) { | |
1101 | if (l3 == VIRTCHNL_PROTO_HDR_IPV4) | |
1102 | input->ip.v4.dst_port = cpu_to_be16(PFCP_PORT_NR); | |
1103 | else if (l3 == VIRTCHNL_PROTO_HDR_IPV6) | |
1104 | input->ip.v6.dst_port = cpu_to_be16(PFCP_PORT_NR); | |
1105 | } | |
1106 | break; | |
ef9e4cc5 QZ |
1107 | case VIRTCHNL_PROTO_HDR_GTPU_IP: |
1108 | rawh = (u8 *)hdr->buffer; | |
1109 | input->flow_type = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER; | |
1110 | ||
1111 | if (hdr->field_selector) | |
1112 | input->gtpu_data.teid = *(__be32 *)(&rawh[GTPU_TEID_OFFSET]); | |
1113 | conf->ttype = ICE_FDIR_TUNNEL_TYPE_GTPU; | |
1114 | break; | |
1115 | case VIRTCHNL_PROTO_HDR_GTPU_EH: | |
1116 | rawh = (u8 *)hdr->buffer; | |
1117 | ||
1118 | if (hdr->field_selector) | |
1119 | input->gtpu_data.qfi = rawh[GTPU_EH_QFI_OFFSET] & GTPU_EH_QFI_MASK; | |
1120 | conf->ttype = ICE_FDIR_TUNNEL_TYPE_GTPU_EH; | |
1121 | break; | |
0ce332fd QZ |
1122 | default: |
1123 | dev_dbg(dev, "Invalid header type 0x:%x for VF %d\n", | |
1124 | hdr->type, vf->vf_id); | |
1125 | return -EINVAL; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | /** | |
1133 | * ice_vc_fdir_parse_action | |
1134 | * @vf: pointer to the VF info | |
1135 | * @fltr: virtual channel add cmd buffer | |
1136 | * @conf: FDIR configuration for each filter | |
1137 | * | |
1138 | * Parse the virtual channel filter's action and store them into conf | |
1139 | * | |
1140 | * Return: 0 on success, and other on error. | |
1141 | */ | |
1142 | static int | |
1143 | ice_vc_fdir_parse_action(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
1144 | struct virtchnl_fdir_fltr_conf *conf) | |
1145 | { | |
1146 | struct virtchnl_filter_action_set *as = &fltr->rule_cfg.action_set; | |
1147 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1148 | struct ice_fdir_fltr *input = &conf->input; | |
1149 | u32 dest_num = 0; | |
1150 | u32 mark_num = 0; | |
1151 | int i; | |
1152 | ||
1153 | if (as->count > VIRTCHNL_MAX_NUM_ACTIONS) { | |
1154 | dev_dbg(dev, "Invalid action numbers:0x%x for VF %d\n", | |
1155 | as->count, vf->vf_id); | |
1156 | return -EINVAL; | |
1157 | } | |
1158 | ||
1159 | for (i = 0; i < as->count; i++) { | |
1160 | struct virtchnl_filter_action *action = &as->actions[i]; | |
1161 | ||
1162 | switch (action->type) { | |
346bf250 QZ |
1163 | case VIRTCHNL_ACTION_PASSTHRU: |
1164 | dest_num++; | |
1165 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER; | |
1166 | break; | |
0ce332fd QZ |
1167 | case VIRTCHNL_ACTION_DROP: |
1168 | dest_num++; | |
1169 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DROP_PKT; | |
1170 | break; | |
1171 | case VIRTCHNL_ACTION_QUEUE: | |
1172 | dest_num++; | |
1173 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX; | |
1174 | input->q_index = action->act_conf.queue.index; | |
1175 | break; | |
346bf250 QZ |
1176 | case VIRTCHNL_ACTION_Q_REGION: |
1177 | dest_num++; | |
1178 | input->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP; | |
1179 | input->q_index = action->act_conf.queue.index; | |
1180 | input->q_region = action->act_conf.queue.region; | |
1181 | break; | |
0ce332fd QZ |
1182 | case VIRTCHNL_ACTION_MARK: |
1183 | mark_num++; | |
1184 | input->fltr_id = action->act_conf.mark_id; | |
1185 | input->fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_THREE; | |
1186 | break; | |
1187 | default: | |
1188 | dev_dbg(dev, "Invalid action type:0x%x for VF %d\n", | |
1189 | action->type, vf->vf_id); | |
1190 | return -EINVAL; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | if (dest_num == 0 || dest_num >= 2) { | |
1195 | dev_dbg(dev, "Invalid destination action for VF %d\n", | |
1196 | vf->vf_id); | |
1197 | return -EINVAL; | |
1198 | } | |
1199 | ||
1200 | if (mark_num >= 2) { | |
1201 | dev_dbg(dev, "Too many mark actions for VF %d\n", vf->vf_id); | |
1202 | return -EINVAL; | |
1203 | } | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
1f7ea1cd QZ |
1208 | /** |
1209 | * ice_vc_validate_fdir_fltr - validate the virtual channel filter | |
1210 | * @vf: pointer to the VF info | |
1211 | * @fltr: virtual channel add cmd buffer | |
1212 | * @conf: FDIR configuration for each filter | |
1213 | * | |
1214 | * Return: 0 on success, and other on error. | |
1215 | */ | |
1216 | static int | |
1217 | ice_vc_validate_fdir_fltr(struct ice_vf *vf, struct virtchnl_fdir_add *fltr, | |
1218 | struct virtchnl_fdir_fltr_conf *conf) | |
1219 | { | |
60f44fe4 | 1220 | struct virtchnl_proto_hdrs *proto = &fltr->rule_cfg.proto_hdrs; |
0ce332fd QZ |
1221 | int ret; |
1222 | ||
99f419df JG |
1223 | /* For raw FDIR filters created by the parser */ |
1224 | if (!ice_vc_fdir_is_raw_flow(proto)) | |
1225 | if (!ice_vc_validate_pattern(vf, proto)) | |
1226 | return -EINVAL; | |
0ce332fd QZ |
1227 | |
1228 | ret = ice_vc_fdir_parse_pattern(vf, fltr, conf); | |
1229 | if (ret) | |
1230 | return ret; | |
1231 | ||
1232 | return ice_vc_fdir_parse_action(vf, fltr, conf); | |
1f7ea1cd QZ |
1233 | } |
1234 | ||
1235 | /** | |
1236 | * ice_vc_fdir_comp_rules - compare if two filter rules have the same value | |
1237 | * @conf_a: FDIR configuration for filter a | |
1238 | * @conf_b: FDIR configuration for filter b | |
1239 | * | |
1240 | * Return: 0 on success, and other on error. | |
1241 | */ | |
1242 | static bool | |
1243 | ice_vc_fdir_comp_rules(struct virtchnl_fdir_fltr_conf *conf_a, | |
1244 | struct virtchnl_fdir_fltr_conf *conf_b) | |
1245 | { | |
1246 | struct ice_fdir_fltr *a = &conf_a->input; | |
1247 | struct ice_fdir_fltr *b = &conf_b->input; | |
1248 | ||
ef9e4cc5 QZ |
1249 | if (conf_a->ttype != conf_b->ttype) |
1250 | return false; | |
1f7ea1cd QZ |
1251 | if (a->flow_type != b->flow_type) |
1252 | return false; | |
1253 | if (memcmp(&a->ip, &b->ip, sizeof(a->ip))) | |
1254 | return false; | |
1255 | if (memcmp(&a->mask, &b->mask, sizeof(a->mask))) | |
1256 | return false; | |
ef9e4cc5 QZ |
1257 | if (memcmp(&a->gtpu_data, &b->gtpu_data, sizeof(a->gtpu_data))) |
1258 | return false; | |
1259 | if (memcmp(&a->gtpu_mask, &b->gtpu_mask, sizeof(a->gtpu_mask))) | |
1260 | return false; | |
213528fe QZ |
1261 | if (memcmp(&a->l2tpv3_data, &b->l2tpv3_data, sizeof(a->l2tpv3_data))) |
1262 | return false; | |
1263 | if (memcmp(&a->l2tpv3_mask, &b->l2tpv3_mask, sizeof(a->l2tpv3_mask))) | |
1264 | return false; | |
1f7ea1cd QZ |
1265 | if (memcmp(&a->ext_data, &b->ext_data, sizeof(a->ext_data))) |
1266 | return false; | |
1267 | if (memcmp(&a->ext_mask, &b->ext_mask, sizeof(a->ext_mask))) | |
1268 | return false; | |
1269 | ||
1270 | return true; | |
1271 | } | |
1272 | ||
1273 | /** | |
1274 | * ice_vc_fdir_is_dup_fltr | |
1275 | * @vf: pointer to the VF info | |
1276 | * @conf: FDIR configuration for each filter | |
1277 | * | |
1278 | * Check if there is duplicated rule with same conf value | |
1279 | * | |
1280 | * Return: 0 true success, and false on error. | |
1281 | */ | |
1282 | static bool | |
1283 | ice_vc_fdir_is_dup_fltr(struct ice_vf *vf, struct virtchnl_fdir_fltr_conf *conf) | |
1284 | { | |
1285 | struct ice_fdir_fltr *desc; | |
1286 | bool ret; | |
1287 | ||
1288 | list_for_each_entry(desc, &vf->fdir.fdir_rule_list, fltr_node) { | |
1289 | struct virtchnl_fdir_fltr_conf *node = | |
1290 | to_fltr_conf_from_desc(desc); | |
1291 | ||
1292 | ret = ice_vc_fdir_comp_rules(node, conf); | |
1293 | if (ret) | |
1294 | return true; | |
1295 | } | |
1296 | ||
1297 | return false; | |
1298 | } | |
1299 | ||
1300 | /** | |
1301 | * ice_vc_fdir_insert_entry | |
1302 | * @vf: pointer to the VF info | |
1303 | * @conf: FDIR configuration for each filter | |
1304 | * @id: pointer to ID value allocated by driver | |
1305 | * | |
1306 | * Insert FDIR conf entry into list and allocate ID for this filter | |
1307 | * | |
1308 | * Return: 0 true success, and other on error. | |
1309 | */ | |
1310 | static int | |
1311 | ice_vc_fdir_insert_entry(struct ice_vf *vf, | |
1312 | struct virtchnl_fdir_fltr_conf *conf, u32 *id) | |
1313 | { | |
1314 | struct ice_fdir_fltr *input = &conf->input; | |
1315 | int i; | |
1316 | ||
1317 | /* alloc ID corresponding with conf */ | |
1318 | i = idr_alloc(&vf->fdir.fdir_rule_idr, conf, 0, | |
1319 | ICE_FDIR_MAX_FLTRS, GFP_KERNEL); | |
1320 | if (i < 0) | |
1321 | return -EINVAL; | |
1322 | *id = i; | |
1323 | ||
1324 | list_add(&input->fltr_node, &vf->fdir.fdir_rule_list); | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | /** | |
1329 | * ice_vc_fdir_remove_entry - remove FDIR conf entry by ID value | |
1330 | * @vf: pointer to the VF info | |
1331 | * @conf: FDIR configuration for each filter | |
1332 | * @id: filter rule's ID | |
1333 | */ | |
1334 | static void | |
1335 | ice_vc_fdir_remove_entry(struct ice_vf *vf, | |
1336 | struct virtchnl_fdir_fltr_conf *conf, u32 id) | |
1337 | { | |
1338 | struct ice_fdir_fltr *input = &conf->input; | |
1339 | ||
1340 | idr_remove(&vf->fdir.fdir_rule_idr, id); | |
1341 | list_del(&input->fltr_node); | |
1342 | } | |
1343 | ||
1344 | /** | |
1345 | * ice_vc_fdir_lookup_entry - lookup FDIR conf entry by ID value | |
1346 | * @vf: pointer to the VF info | |
1347 | * @id: filter rule's ID | |
1348 | * | |
1349 | * Return: NULL on error, and other on success. | |
1350 | */ | |
1351 | static struct virtchnl_fdir_fltr_conf * | |
1352 | ice_vc_fdir_lookup_entry(struct ice_vf *vf, u32 id) | |
1353 | { | |
1354 | return idr_find(&vf->fdir.fdir_rule_idr, id); | |
1355 | } | |
1356 | ||
1357 | /** | |
1358 | * ice_vc_fdir_flush_entry - remove all FDIR conf entry | |
1359 | * @vf: pointer to the VF info | |
1360 | */ | |
1361 | static void ice_vc_fdir_flush_entry(struct ice_vf *vf) | |
1362 | { | |
1363 | struct virtchnl_fdir_fltr_conf *conf; | |
1364 | struct ice_fdir_fltr *desc, *temp; | |
1365 | ||
1366 | list_for_each_entry_safe(desc, temp, | |
1367 | &vf->fdir.fdir_rule_list, fltr_node) { | |
1368 | conf = to_fltr_conf_from_desc(desc); | |
1369 | list_del(&desc->fltr_node); | |
1370 | devm_kfree(ice_pf_to_dev(vf->pf), conf); | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | /** | |
1375 | * ice_vc_fdir_write_fltr - write filter rule into hardware | |
1376 | * @vf: pointer to the VF info | |
1377 | * @conf: FDIR configuration for each filter | |
1378 | * @add: true implies add rule, false implies del rules | |
1379 | * @is_tun: false implies non-tunnel type filter, true implies tunnel filter | |
1380 | * | |
1381 | * Return: 0 on success, and other on error. | |
1382 | */ | |
1383 | static int ice_vc_fdir_write_fltr(struct ice_vf *vf, | |
1384 | struct virtchnl_fdir_fltr_conf *conf, | |
1385 | bool add, bool is_tun) | |
1386 | { | |
1387 | struct ice_fdir_fltr *input = &conf->input; | |
1388 | struct ice_vsi *vsi, *ctrl_vsi; | |
1389 | struct ice_fltr_desc desc; | |
1f7ea1cd QZ |
1390 | struct device *dev; |
1391 | struct ice_pf *pf; | |
1392 | struct ice_hw *hw; | |
1393 | int ret; | |
1394 | u8 *pkt; | |
1395 | ||
1396 | pf = vf->pf; | |
1397 | dev = ice_pf_to_dev(pf); | |
1398 | hw = &pf->hw; | |
772dec64 | 1399 | vsi = ice_get_vf_vsi(vf); |
1f7ea1cd QZ |
1400 | if (!vsi) { |
1401 | dev_dbg(dev, "Invalid vsi for VF %d\n", vf->vf_id); | |
1402 | return -EINVAL; | |
1403 | } | |
1404 | ||
1405 | input->dest_vsi = vsi->idx; | |
d6218317 | 1406 | input->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW; |
1f7ea1cd QZ |
1407 | |
1408 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
1409 | if (!ctrl_vsi) { | |
1410 | dev_dbg(dev, "Invalid ctrl_vsi for VF %d\n", vf->vf_id); | |
1411 | return -EINVAL; | |
1412 | } | |
1413 | ||
1414 | pkt = devm_kzalloc(dev, ICE_FDIR_MAX_RAW_PKT_SIZE, GFP_KERNEL); | |
1415 | if (!pkt) | |
1416 | return -ENOMEM; | |
1417 | ||
1418 | ice_fdir_get_prgm_desc(hw, input, &desc, add); | |
99f419df JG |
1419 | if (conf->parser_ena) { |
1420 | memcpy(pkt, conf->pkt_buf, conf->pkt_len); | |
1421 | } else { | |
1422 | ret = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun); | |
1423 | if (ret) { | |
1424 | dev_dbg(dev, "Gen training pkt for VF %d ptype %d failed\n", | |
1425 | vf->vf_id, input->flow_type); | |
1426 | goto err_free_pkt; | |
1427 | } | |
1f7ea1cd QZ |
1428 | } |
1429 | ||
1430 | ret = ice_prgm_fdir_fltr(ctrl_vsi, &desc, pkt); | |
1431 | if (ret) | |
1432 | goto err_free_pkt; | |
1433 | ||
1434 | return 0; | |
1435 | ||
1436 | err_free_pkt: | |
1437 | devm_kfree(dev, pkt); | |
1438 | return ret; | |
1439 | } | |
1440 | ||
d6218317 QZ |
1441 | /** |
1442 | * ice_vf_fdir_timer - FDIR program waiting timer interrupt handler | |
1443 | * @t: pointer to timer_list | |
1444 | */ | |
1445 | static void ice_vf_fdir_timer(struct timer_list *t) | |
1446 | { | |
1447 | struct ice_vf_fdir_ctx *ctx_irq = from_timer(ctx_irq, t, rx_tmr); | |
1448 | struct ice_vf_fdir_ctx *ctx_done; | |
1449 | struct ice_vf_fdir *fdir; | |
1450 | unsigned long flags; | |
1451 | struct ice_vf *vf; | |
1452 | struct ice_pf *pf; | |
1453 | ||
1454 | fdir = container_of(ctx_irq, struct ice_vf_fdir, ctx_irq); | |
1455 | vf = container_of(fdir, struct ice_vf, fdir); | |
1456 | ctx_done = &fdir->ctx_done; | |
1457 | pf = vf->pf; | |
1458 | spin_lock_irqsave(&fdir->ctx_lock, flags); | |
1459 | if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1460 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1461 | WARN_ON_ONCE(1); | |
1462 | return; | |
1463 | } | |
1464 | ||
1465 | ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1466 | ||
1467 | ctx_done->flags |= ICE_VF_FDIR_CTX_VALID; | |
1468 | ctx_done->conf = ctx_irq->conf; | |
1469 | ctx_done->stat = ICE_FDIR_CTX_TIMEOUT; | |
1470 | ctx_done->v_opcode = ctx_irq->v_opcode; | |
1471 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1472 | ||
7e408e07 | 1473 | set_bit(ICE_FD_VF_FLUSH_CTX, pf->state); |
d6218317 QZ |
1474 | ice_service_task_schedule(pf); |
1475 | } | |
1476 | ||
1477 | /** | |
1478 | * ice_vc_fdir_irq_handler - ctrl_vsi Rx queue interrupt handler | |
1479 | * @ctrl_vsi: pointer to a VF's CTRL VSI | |
1480 | * @rx_desc: pointer to FDIR Rx queue descriptor | |
1481 | */ | |
1482 | void | |
1483 | ice_vc_fdir_irq_handler(struct ice_vsi *ctrl_vsi, | |
1484 | union ice_32b_rx_flex_desc *rx_desc) | |
1485 | { | |
1486 | struct ice_pf *pf = ctrl_vsi->back; | |
b03d519d | 1487 | struct ice_vf *vf = ctrl_vsi->vf; |
d6218317 QZ |
1488 | struct ice_vf_fdir_ctx *ctx_done; |
1489 | struct ice_vf_fdir_ctx *ctx_irq; | |
1490 | struct ice_vf_fdir *fdir; | |
1491 | unsigned long flags; | |
1492 | struct device *dev; | |
d6218317 QZ |
1493 | int ret; |
1494 | ||
b03d519d JK |
1495 | if (WARN_ON(!vf)) |
1496 | return; | |
d6218317 QZ |
1497 | |
1498 | fdir = &vf->fdir; | |
1499 | ctx_done = &fdir->ctx_done; | |
1500 | ctx_irq = &fdir->ctx_irq; | |
1501 | dev = ice_pf_to_dev(pf); | |
1502 | spin_lock_irqsave(&fdir->ctx_lock, flags); | |
1503 | if (!(ctx_irq->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1504 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1505 | WARN_ON_ONCE(1); | |
1506 | return; | |
1507 | } | |
1508 | ||
1509 | ctx_irq->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1510 | ||
1511 | ctx_done->flags |= ICE_VF_FDIR_CTX_VALID; | |
1512 | ctx_done->conf = ctx_irq->conf; | |
1513 | ctx_done->stat = ICE_FDIR_CTX_IRQ; | |
1514 | ctx_done->v_opcode = ctx_irq->v_opcode; | |
1515 | memcpy(&ctx_done->rx_desc, rx_desc, sizeof(*rx_desc)); | |
1516 | spin_unlock_irqrestore(&fdir->ctx_lock, flags); | |
1517 | ||
1518 | ret = del_timer(&ctx_irq->rx_tmr); | |
1519 | if (!ret) | |
1520 | dev_err(dev, "VF %d: Unexpected inactive timer!\n", vf->vf_id); | |
1521 | ||
7e408e07 | 1522 | set_bit(ICE_FD_VF_FLUSH_CTX, pf->state); |
d6218317 QZ |
1523 | ice_service_task_schedule(pf); |
1524 | } | |
1525 | ||
1526 | /** | |
1527 | * ice_vf_fdir_dump_info - dump FDIR information for diagnosis | |
1528 | * @vf: pointer to the VF info | |
1529 | */ | |
1530 | static void ice_vf_fdir_dump_info(struct ice_vf *vf) | |
1531 | { | |
ba1124f5 | 1532 | u32 fd_size, fd_cnt, fd_size_g, fd_cnt_g, fd_size_b, fd_cnt_b; |
d6218317 | 1533 | struct ice_vsi *vf_vsi; |
d6218317 QZ |
1534 | struct device *dev; |
1535 | struct ice_pf *pf; | |
1536 | struct ice_hw *hw; | |
1537 | u16 vsi_num; | |
1538 | ||
1539 | pf = vf->pf; | |
1540 | hw = &pf->hw; | |
1541 | dev = ice_pf_to_dev(pf); | |
baeb705f JK |
1542 | vf_vsi = ice_get_vf_vsi(vf); |
1543 | if (!vf_vsi) { | |
1544 | dev_dbg(dev, "VF %d: invalid VSI pointer\n", vf->vf_id); | |
1545 | return; | |
1546 | } | |
1547 | ||
d6218317 QZ |
1548 | vsi_num = ice_get_hw_vsi_num(hw, vf_vsi->idx); |
1549 | ||
1550 | fd_size = rd32(hw, VSIQF_FD_SIZE(vsi_num)); | |
1551 | fd_cnt = rd32(hw, VSIQF_FD_CNT(vsi_num)); | |
ba1124f5 PG |
1552 | switch (hw->mac_type) { |
1553 | case ICE_MAC_E830: | |
1554 | fd_size_g = FIELD_GET(E830_VSIQF_FD_CNT_FD_GCNT_M, fd_size); | |
1555 | fd_size_b = FIELD_GET(E830_VSIQF_FD_CNT_FD_BCNT_M, fd_size); | |
1556 | fd_cnt_g = FIELD_GET(E830_VSIQF_FD_CNT_FD_GCNT_M, fd_cnt); | |
1557 | fd_cnt_b = FIELD_GET(E830_VSIQF_FD_CNT_FD_BCNT_M, fd_cnt); | |
1558 | break; | |
1559 | case ICE_MAC_E810: | |
1560 | default: | |
1561 | fd_size_g = FIELD_GET(E800_VSIQF_FD_CNT_FD_GCNT_M, fd_size); | |
1562 | fd_size_b = FIELD_GET(E800_VSIQF_FD_CNT_FD_BCNT_M, fd_size); | |
1563 | fd_cnt_g = FIELD_GET(E800_VSIQF_FD_CNT_FD_GCNT_M, fd_cnt); | |
1564 | fd_cnt_b = FIELD_GET(E800_VSIQF_FD_CNT_FD_BCNT_M, fd_cnt); | |
1565 | } | |
1566 | ||
1567 | dev_dbg(dev, "VF %d: Size in the FD table: guaranteed:0x%x, best effort:0x%x\n", | |
1568 | vf->vf_id, fd_size_g, fd_size_b); | |
1569 | dev_dbg(dev, "VF %d: Filter counter in the FD table: guaranteed:0x%x, best effort:0x%x\n", | |
1570 | vf->vf_id, fd_cnt_g, fd_cnt_b); | |
d6218317 QZ |
1571 | } |
1572 | ||
1573 | /** | |
1574 | * ice_vf_verify_rx_desc - verify received FDIR programming status descriptor | |
1575 | * @vf: pointer to the VF info | |
1576 | * @ctx: FDIR context info for post processing | |
1577 | * @status: virtchnl FDIR program status | |
1578 | * | |
1579 | * Return: 0 on success, and other on error. | |
1580 | */ | |
1581 | static int | |
1582 | ice_vf_verify_rx_desc(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1583 | enum virtchnl_fdir_prgm_status *status) | |
1584 | { | |
1585 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1586 | u32 stat_err, error, prog_id; | |
1587 | int ret; | |
1588 | ||
1589 | stat_err = le16_to_cpu(ctx->rx_desc.wb.status_error0); | |
5a259f8e JB |
1590 | if (FIELD_GET(ICE_FXD_FLTR_WB_QW1_DD_M, stat_err) != |
1591 | ICE_FXD_FLTR_WB_QW1_DD_YES) { | |
d6218317 QZ |
1592 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; |
1593 | dev_err(dev, "VF %d: Desc Done not set\n", vf->vf_id); | |
1594 | ret = -EINVAL; | |
1595 | goto err_exit; | |
1596 | } | |
1597 | ||
5a259f8e | 1598 | prog_id = FIELD_GET(ICE_FXD_FLTR_WB_QW1_PROG_ID_M, stat_err); |
d6218317 QZ |
1599 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD && |
1600 | ctx->v_opcode != VIRTCHNL_OP_ADD_FDIR_FILTER) { | |
1601 | dev_err(dev, "VF %d: Desc show add, but ctx not", | |
1602 | vf->vf_id); | |
1603 | *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; | |
1604 | ret = -EINVAL; | |
1605 | goto err_exit; | |
1606 | } | |
1607 | ||
1608 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_DEL && | |
1609 | ctx->v_opcode != VIRTCHNL_OP_DEL_FDIR_FILTER) { | |
1610 | dev_err(dev, "VF %d: Desc show del, but ctx not", | |
1611 | vf->vf_id); | |
1612 | *status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; | |
1613 | ret = -EINVAL; | |
1614 | goto err_exit; | |
1615 | } | |
1616 | ||
5a259f8e | 1617 | error = FIELD_GET(ICE_FXD_FLTR_WB_QW1_FAIL_M, stat_err); |
d6218317 QZ |
1618 | if (error == ICE_FXD_FLTR_WB_QW1_FAIL_YES) { |
1619 | if (prog_id == ICE_FXD_FLTR_WB_QW1_PROG_ADD) { | |
1620 | dev_err(dev, "VF %d, Failed to add FDIR rule due to no space in the table", | |
1621 | vf->vf_id); | |
1622 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1623 | } else { | |
1624 | dev_err(dev, "VF %d, Failed to remove FDIR rule, attempt to remove non-existent entry", | |
1625 | vf->vf_id); | |
1626 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST; | |
1627 | } | |
1628 | ret = -EINVAL; | |
1629 | goto err_exit; | |
1630 | } | |
1631 | ||
5a259f8e | 1632 | error = FIELD_GET(ICE_FXD_FLTR_WB_QW1_FAIL_PROF_M, stat_err); |
d6218317 QZ |
1633 | if (error == ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES) { |
1634 | dev_err(dev, "VF %d: Profile matching error", vf->vf_id); | |
1635 | *status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1636 | ret = -EINVAL; | |
1637 | goto err_exit; | |
1638 | } | |
1639 | ||
1640 | *status = VIRTCHNL_FDIR_SUCCESS; | |
1641 | ||
1642 | return 0; | |
1643 | ||
1644 | err_exit: | |
1645 | ice_vf_fdir_dump_info(vf); | |
1646 | return ret; | |
1647 | } | |
1648 | ||
99f419df JG |
1649 | static int ice_fdir_is_tunnel(enum ice_fdir_tunnel_type ttype) |
1650 | { | |
1651 | return (ttype == ICE_FDIR_TUNNEL_TYPE_GRE_INNER || | |
1652 | ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_INNER || | |
1653 | ttype == ICE_FDIR_TUNNEL_TYPE_GTPU_EH_INNER || | |
1654 | ttype == ICE_FDIR_TUNNEL_TYPE_GTPOGRE_INNER || | |
1655 | ttype == ICE_FDIR_TUNNEL_TYPE_ECPRI || | |
1656 | ttype == ICE_FDIR_TUNNEL_TYPE_L2TPV2_INNER); | |
1657 | } | |
1658 | ||
d6218317 QZ |
1659 | /** |
1660 | * ice_vc_add_fdir_fltr_post | |
1661 | * @vf: pointer to the VF structure | |
1662 | * @ctx: FDIR context info for post processing | |
1663 | * @status: virtchnl FDIR program status | |
1664 | * @success: true implies success, false implies failure | |
1665 | * | |
1666 | * Post process for flow director add command. If success, then do post process | |
1667 | * and send back success msg by virtchnl. Otherwise, do context reversion and | |
1668 | * send back failure msg by virtchnl. | |
1669 | * | |
1670 | * Return: 0 on success, and other on error. | |
1671 | */ | |
1672 | static int | |
1673 | ice_vc_add_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1674 | enum virtchnl_fdir_prgm_status status, | |
1675 | bool success) | |
1676 | { | |
1677 | struct virtchnl_fdir_fltr_conf *conf = ctx->conf; | |
1678 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1679 | enum virtchnl_status_code v_ret; | |
1680 | struct virtchnl_fdir_add *resp; | |
1681 | int ret, len, is_tun; | |
1682 | ||
1683 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
1684 | len = sizeof(*resp); | |
1685 | resp = kzalloc(len, GFP_KERNEL); | |
1686 | if (!resp) { | |
1687 | len = 0; | |
1688 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
1689 | dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id); | |
1690 | goto err_exit; | |
1691 | } | |
1692 | ||
1693 | if (!success) | |
1694 | goto err_exit; | |
1695 | ||
1696 | is_tun = 0; | |
1697 | resp->status = status; | |
1698 | resp->flow_id = conf->flow_id; | |
1699 | vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]++; | |
6ebbe97a | 1700 | vf->fdir.fdir_fltr_cnt_total++; |
d6218317 QZ |
1701 | |
1702 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1703 | (u8 *)resp, len); | |
1704 | kfree(resp); | |
1705 | ||
1706 | dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n", | |
1707 | vf->vf_id, conf->flow_id, | |
1708 | (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ? | |
1709 | "add" : "del"); | |
1710 | return ret; | |
1711 | ||
1712 | err_exit: | |
1713 | if (resp) | |
1714 | resp->status = status; | |
1715 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
1716 | devm_kfree(dev, conf); | |
1717 | ||
1718 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1719 | (u8 *)resp, len); | |
1720 | kfree(resp); | |
1721 | return ret; | |
1722 | } | |
1723 | ||
1724 | /** | |
1725 | * ice_vc_del_fdir_fltr_post | |
1726 | * @vf: pointer to the VF structure | |
1727 | * @ctx: FDIR context info for post processing | |
1728 | * @status: virtchnl FDIR program status | |
1729 | * @success: true implies success, false implies failure | |
1730 | * | |
1731 | * Post process for flow director del command. If success, then do post process | |
1732 | * and send back success msg by virtchnl. Otherwise, do context reversion and | |
1733 | * send back failure msg by virtchnl. | |
1734 | * | |
1735 | * Return: 0 on success, and other on error. | |
1736 | */ | |
1737 | static int | |
1738 | ice_vc_del_fdir_fltr_post(struct ice_vf *vf, struct ice_vf_fdir_ctx *ctx, | |
1739 | enum virtchnl_fdir_prgm_status status, | |
1740 | bool success) | |
1741 | { | |
1742 | struct virtchnl_fdir_fltr_conf *conf = ctx->conf; | |
1743 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1744 | enum virtchnl_status_code v_ret; | |
1745 | struct virtchnl_fdir_del *resp; | |
1746 | int ret, len, is_tun; | |
1747 | ||
1748 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
1749 | len = sizeof(*resp); | |
1750 | resp = kzalloc(len, GFP_KERNEL); | |
1751 | if (!resp) { | |
1752 | len = 0; | |
1753 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
1754 | dev_dbg(dev, "VF %d: Alloc resp buf fail", vf->vf_id); | |
1755 | goto err_exit; | |
1756 | } | |
1757 | ||
1758 | if (!success) | |
1759 | goto err_exit; | |
1760 | ||
1761 | is_tun = 0; | |
1762 | resp->status = status; | |
1763 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
1764 | vf->fdir.fdir_fltr_cnt[conf->input.flow_type][is_tun]--; | |
6ebbe97a | 1765 | vf->fdir.fdir_fltr_cnt_total--; |
d6218317 QZ |
1766 | |
1767 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1768 | (u8 *)resp, len); | |
1769 | kfree(resp); | |
1770 | ||
1771 | dev_dbg(dev, "VF %d: flow_id:0x%X, FDIR %s success!\n", | |
1772 | vf->vf_id, conf->flow_id, | |
1773 | (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) ? | |
1774 | "add" : "del"); | |
1775 | devm_kfree(dev, conf); | |
1776 | return ret; | |
1777 | ||
1778 | err_exit: | |
1779 | if (resp) | |
1780 | resp->status = status; | |
1781 | if (success) | |
1782 | devm_kfree(dev, conf); | |
1783 | ||
1784 | ret = ice_vc_send_msg_to_vf(vf, ctx->v_opcode, v_ret, | |
1785 | (u8 *)resp, len); | |
1786 | kfree(resp); | |
1787 | return ret; | |
1788 | } | |
1789 | ||
1790 | /** | |
1791 | * ice_flush_fdir_ctx | |
1792 | * @pf: pointer to the PF structure | |
1793 | * | |
1794 | * Flush all the pending event on ctx_done list and process them. | |
1795 | */ | |
1796 | void ice_flush_fdir_ctx(struct ice_pf *pf) | |
1797 | { | |
c4c2c7db JK |
1798 | struct ice_vf *vf; |
1799 | unsigned int bkt; | |
d6218317 | 1800 | |
7e408e07 | 1801 | if (!test_and_clear_bit(ICE_FD_VF_FLUSH_CTX, pf->state)) |
d6218317 QZ |
1802 | return; |
1803 | ||
3d5985a1 | 1804 | mutex_lock(&pf->vfs.table_lock); |
c4c2c7db | 1805 | ice_for_each_vf(pf, bkt, vf) { |
d6218317 QZ |
1806 | struct device *dev = ice_pf_to_dev(pf); |
1807 | enum virtchnl_fdir_prgm_status status; | |
d6218317 QZ |
1808 | struct ice_vf_fdir_ctx *ctx; |
1809 | unsigned long flags; | |
1810 | int ret; | |
1811 | ||
1812 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
1813 | continue; | |
1814 | ||
1815 | if (vf->ctrl_vsi_idx == ICE_NO_VSI) | |
1816 | continue; | |
1817 | ||
1818 | ctx = &vf->fdir.ctx_done; | |
1819 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1820 | if (!(ctx->flags & ICE_VF_FDIR_CTX_VALID)) { | |
1821 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1822 | continue; | |
1823 | } | |
1824 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1825 | ||
1826 | WARN_ON(ctx->stat == ICE_FDIR_CTX_READY); | |
1827 | if (ctx->stat == ICE_FDIR_CTX_TIMEOUT) { | |
1828 | status = VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT; | |
1829 | dev_err(dev, "VF %d: ctrl_vsi irq timeout\n", | |
1830 | vf->vf_id); | |
1831 | goto err_exit; | |
1832 | } | |
1833 | ||
1834 | ret = ice_vf_verify_rx_desc(vf, ctx, &status); | |
1835 | if (ret) | |
1836 | goto err_exit; | |
1837 | ||
1838 | if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) | |
1839 | ice_vc_add_fdir_fltr_post(vf, ctx, status, true); | |
1840 | else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER) | |
1841 | ice_vc_del_fdir_fltr_post(vf, ctx, status, true); | |
1842 | else | |
1843 | dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id); | |
1844 | ||
1845 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1846 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1847 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1848 | continue; | |
1849 | err_exit: | |
1850 | if (ctx->v_opcode == VIRTCHNL_OP_ADD_FDIR_FILTER) | |
1851 | ice_vc_add_fdir_fltr_post(vf, ctx, status, false); | |
1852 | else if (ctx->v_opcode == VIRTCHNL_OP_DEL_FDIR_FILTER) | |
1853 | ice_vc_del_fdir_fltr_post(vf, ctx, status, false); | |
1854 | else | |
1855 | dev_err(dev, "VF %d: Unsupported opcode\n", vf->vf_id); | |
1856 | ||
1857 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1858 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1859 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1860 | } | |
3d5985a1 | 1861 | mutex_unlock(&pf->vfs.table_lock); |
d6218317 QZ |
1862 | } |
1863 | ||
1864 | /** | |
1865 | * ice_vc_fdir_set_irq_ctx - set FDIR context info for later IRQ handler | |
1866 | * @vf: pointer to the VF structure | |
1867 | * @conf: FDIR configuration for each filter | |
1868 | * @v_opcode: virtual channel operation code | |
1869 | * | |
1870 | * Return: 0 on success, and other on error. | |
1871 | */ | |
1872 | static int | |
1873 | ice_vc_fdir_set_irq_ctx(struct ice_vf *vf, struct virtchnl_fdir_fltr_conf *conf, | |
1874 | enum virtchnl_ops v_opcode) | |
1875 | { | |
1876 | struct device *dev = ice_pf_to_dev(vf->pf); | |
1877 | struct ice_vf_fdir_ctx *ctx; | |
1878 | unsigned long flags; | |
1879 | ||
1880 | ctx = &vf->fdir.ctx_irq; | |
1881 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1882 | if ((vf->fdir.ctx_irq.flags & ICE_VF_FDIR_CTX_VALID) || | |
1883 | (vf->fdir.ctx_done.flags & ICE_VF_FDIR_CTX_VALID)) { | |
1884 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1885 | dev_dbg(dev, "VF %d: Last request is still in progress\n", | |
1886 | vf->vf_id); | |
1887 | return -EBUSY; | |
1888 | } | |
1889 | ctx->flags |= ICE_VF_FDIR_CTX_VALID; | |
1890 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1891 | ||
1892 | ctx->conf = conf; | |
1893 | ctx->v_opcode = v_opcode; | |
1894 | ctx->stat = ICE_FDIR_CTX_READY; | |
1895 | timer_setup(&ctx->rx_tmr, ice_vf_fdir_timer, 0); | |
1896 | ||
1897 | mod_timer(&ctx->rx_tmr, round_jiffies(msecs_to_jiffies(10) + jiffies)); | |
1898 | ||
1899 | return 0; | |
1900 | } | |
1901 | ||
1902 | /** | |
1903 | * ice_vc_fdir_clear_irq_ctx - clear FDIR context info for IRQ handler | |
1904 | * @vf: pointer to the VF structure | |
1905 | * | |
1906 | * Return: 0 on success, and other on error. | |
1907 | */ | |
1908 | static void ice_vc_fdir_clear_irq_ctx(struct ice_vf *vf) | |
1909 | { | |
1910 | struct ice_vf_fdir_ctx *ctx = &vf->fdir.ctx_irq; | |
1911 | unsigned long flags; | |
1912 | ||
1913 | del_timer(&ctx->rx_tmr); | |
1914 | spin_lock_irqsave(&vf->fdir.ctx_lock, flags); | |
1915 | ctx->flags &= ~ICE_VF_FDIR_CTX_VALID; | |
1916 | spin_unlock_irqrestore(&vf->fdir.ctx_lock, flags); | |
1917 | } | |
1918 | ||
99f419df JG |
1919 | /** |
1920 | * ice_vc_parser_fv_check_diff - check two parsed FDIR profile fv context | |
1921 | * @fv_a: struct of parsed FDIR profile field vector | |
1922 | * @fv_b: struct of parsed FDIR profile field vector | |
1923 | * | |
1924 | * Check if the two parsed FDIR profile field vector context are different, | |
1925 | * including proto_id, offset and mask. | |
1926 | * | |
1927 | * Return: true on different, false on otherwise. | |
1928 | */ | |
1929 | static bool ice_vc_parser_fv_check_diff(struct ice_parser_fv *fv_a, | |
1930 | struct ice_parser_fv *fv_b) | |
1931 | { | |
1932 | return (fv_a->proto_id != fv_b->proto_id || | |
1933 | fv_a->offset != fv_b->offset || | |
1934 | fv_a->msk != fv_b->msk); | |
1935 | } | |
1936 | ||
1937 | /** | |
1938 | * ice_vc_parser_fv_save - save parsed FDIR profile fv context | |
1939 | * @fv: struct of parsed FDIR profile field vector | |
1940 | * @fv_src: parsed FDIR profile field vector context to save | |
1941 | * | |
1942 | * Save the parsed FDIR profile field vector context, including proto_id, | |
1943 | * offset and mask. | |
1944 | * | |
1945 | * Return: Void. | |
1946 | */ | |
1947 | static void ice_vc_parser_fv_save(struct ice_parser_fv *fv, | |
1948 | struct ice_parser_fv *fv_src) | |
1949 | { | |
1950 | fv->proto_id = fv_src->proto_id; | |
1951 | fv->offset = fv_src->offset; | |
1952 | fv->msk = fv_src->msk; | |
1953 | fv->spec = 0; | |
1954 | } | |
1955 | ||
1956 | /** | |
1957 | * ice_vc_add_fdir_raw - add a raw FDIR filter for VF | |
1958 | * @vf: pointer to the VF info | |
1959 | * @conf: FDIR configuration for each filter | |
1960 | * @v_ret: the final VIRTCHNL code | |
1961 | * @stat: pointer to the VIRTCHNL_OP_ADD_FDIR_FILTER | |
1962 | * @len: length of the stat | |
1963 | * | |
1964 | * Return: 0 on success or negative errno on failure. | |
1965 | */ | |
1966 | static int | |
1967 | ice_vc_add_fdir_raw(struct ice_vf *vf, | |
1968 | struct virtchnl_fdir_fltr_conf *conf, | |
1969 | enum virtchnl_status_code *v_ret, | |
1970 | struct virtchnl_fdir_add *stat, int len) | |
1971 | { | |
1972 | struct ice_vsi *vf_vsi, *ctrl_vsi; | |
1973 | struct ice_fdir_prof_info *pi; | |
1974 | struct ice_pf *pf = vf->pf; | |
1975 | int ret, ptg, id, i; | |
1976 | struct device *dev; | |
1977 | struct ice_hw *hw; | |
1978 | bool fv_found; | |
1979 | ||
1980 | dev = ice_pf_to_dev(pf); | |
1981 | hw = &pf->hw; | |
1982 | *v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
1983 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
1984 | ||
1985 | id = find_first_bit(conf->prof->ptypes, ICE_FLOW_PTYPE_MAX); | |
1986 | ptg = hw->blk[ICE_BLK_FD].xlt1.t[id]; | |
1987 | ||
1988 | vf_vsi = ice_get_vf_vsi(vf); | |
1989 | if (!vf_vsi) { | |
1990 | dev_err(dev, "Can not get FDIR vf_vsi for VF %d\n", vf->vf_id); | |
1991 | return -ENODEV; | |
1992 | } | |
1993 | ||
1994 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
1995 | if (!ctrl_vsi) { | |
1996 | dev_err(dev, "Can not get FDIR ctrl_vsi for VF %d\n", | |
1997 | vf->vf_id); | |
1998 | return -ENODEV; | |
1999 | } | |
2000 | ||
2001 | fv_found = false; | |
2002 | ||
2003 | /* Check if profile info already exists, then update the counter */ | |
2004 | pi = &vf->fdir_prof_info[ptg]; | |
2005 | if (pi->fdir_active_cnt != 0) { | |
2006 | for (i = 0; i < ICE_MAX_FV_WORDS; i++) | |
2007 | if (ice_vc_parser_fv_check_diff(&pi->prof.fv[i], | |
2008 | &conf->prof->fv[i])) | |
2009 | break; | |
2010 | if (i == ICE_MAX_FV_WORDS) { | |
2011 | fv_found = true; | |
2012 | pi->fdir_active_cnt++; | |
2013 | } | |
2014 | } | |
2015 | ||
2016 | /* HW profile setting is only required for the first time */ | |
2017 | if (!fv_found) { | |
2018 | ret = ice_flow_set_parser_prof(hw, vf_vsi->idx, | |
2019 | ctrl_vsi->idx, conf->prof, | |
2020 | ICE_BLK_FD); | |
2021 | ||
2022 | if (ret) { | |
2023 | *v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2024 | dev_dbg(dev, "VF %d: insert hw prof failed\n", | |
2025 | vf->vf_id); | |
2026 | return ret; | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | ret = ice_vc_fdir_insert_entry(vf, conf, &conf->flow_id); | |
2031 | if (ret) { | |
2032 | *v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2033 | dev_dbg(dev, "VF %d: insert FDIR list failed\n", | |
2034 | vf->vf_id); | |
2035 | return ret; | |
2036 | } | |
2037 | ||
2038 | ret = ice_vc_fdir_set_irq_ctx(vf, conf, | |
2039 | VIRTCHNL_OP_ADD_FDIR_FILTER); | |
2040 | if (ret) { | |
2041 | dev_dbg(dev, "VF %d: set FDIR context failed\n", | |
2042 | vf->vf_id); | |
2043 | goto err_rem_entry; | |
2044 | } | |
2045 | ||
2046 | ret = ice_vc_fdir_write_fltr(vf, conf, true, false); | |
2047 | if (ret) { | |
2048 | dev_err(dev, "VF %d: adding FDIR raw flow rule failed, ret:%d\n", | |
2049 | vf->vf_id, ret); | |
2050 | goto err_clr_irq; | |
2051 | } | |
2052 | ||
2053 | /* Save parsed profile fv info of the FDIR rule for the first time */ | |
2054 | if (!fv_found) { | |
2055 | for (i = 0; i < conf->prof->fv_num; i++) | |
2056 | ice_vc_parser_fv_save(&pi->prof.fv[i], | |
2057 | &conf->prof->fv[i]); | |
2058 | pi->prof.fv_num = conf->prof->fv_num; | |
2059 | pi->fdir_active_cnt = 1; | |
2060 | } | |
2061 | ||
2062 | return 0; | |
2063 | ||
2064 | err_clr_irq: | |
2065 | ice_vc_fdir_clear_irq_ctx(vf); | |
2066 | err_rem_entry: | |
2067 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); | |
2068 | return ret; | |
2069 | } | |
2070 | ||
1f7ea1cd QZ |
2071 | /** |
2072 | * ice_vc_add_fdir_fltr - add a FDIR filter for VF by the msg buffer | |
2073 | * @vf: pointer to the VF info | |
2074 | * @msg: pointer to the msg buffer | |
2075 | * | |
2076 | * Return: 0 on success, and other on error. | |
2077 | */ | |
2078 | int ice_vc_add_fdir_fltr(struct ice_vf *vf, u8 *msg) | |
2079 | { | |
2080 | struct virtchnl_fdir_add *fltr = (struct virtchnl_fdir_add *)msg; | |
2081 | struct virtchnl_fdir_add *stat = NULL; | |
2082 | struct virtchnl_fdir_fltr_conf *conf; | |
2083 | enum virtchnl_status_code v_ret; | |
6ebbe97a | 2084 | struct ice_vsi *vf_vsi; |
1f7ea1cd QZ |
2085 | struct device *dev; |
2086 | struct ice_pf *pf; | |
2087 | int is_tun = 0; | |
2088 | int len = 0; | |
2089 | int ret; | |
2090 | ||
2091 | pf = vf->pf; | |
2092 | dev = ice_pf_to_dev(pf); | |
6ebbe97a AZ |
2093 | vf_vsi = ice_get_vf_vsi(vf); |
2094 | ||
2095 | #define ICE_VF_MAX_FDIR_FILTERS 128 | |
2096 | if (!ice_fdir_num_avail_fltr(&pf->hw, vf_vsi) || | |
2097 | vf->fdir.fdir_fltr_cnt_total >= ICE_VF_MAX_FDIR_FILTERS) { | |
2098 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2099 | dev_err(dev, "Max number of FDIR filters for VF %d is reached\n", | |
2100 | vf->vf_id); | |
2101 | goto err_exit; | |
2102 | } | |
2103 | ||
1f7ea1cd QZ |
2104 | ret = ice_vc_fdir_param_check(vf, fltr->vsi_id); |
2105 | if (ret) { | |
2106 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2107 | dev_dbg(dev, "Parameter check for VF %d failed\n", vf->vf_id); | |
2108 | goto err_exit; | |
2109 | } | |
2110 | ||
2111 | ret = ice_vf_start_ctrl_vsi(vf); | |
2112 | if (ret && (ret != -EEXIST)) { | |
2113 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2114 | dev_err(dev, "Init FDIR for VF %d failed, ret:%d\n", | |
2115 | vf->vf_id, ret); | |
2116 | goto err_exit; | |
2117 | } | |
2118 | ||
2119 | stat = kzalloc(sizeof(*stat), GFP_KERNEL); | |
2120 | if (!stat) { | |
2121 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2122 | dev_dbg(dev, "Alloc stat for VF %d failed\n", vf->vf_id); | |
2123 | goto err_exit; | |
2124 | } | |
2125 | ||
2126 | conf = devm_kzalloc(dev, sizeof(*conf), GFP_KERNEL); | |
2127 | if (!conf) { | |
2128 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2129 | dev_dbg(dev, "Alloc conf for VF %d failed\n", vf->vf_id); | |
2130 | goto err_exit; | |
2131 | } | |
2132 | ||
2133 | len = sizeof(*stat); | |
2134 | ret = ice_vc_validate_fdir_fltr(vf, fltr, conf); | |
2135 | if (ret) { | |
99f419df | 2136 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1f7ea1cd QZ |
2137 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_INVALID; |
2138 | dev_dbg(dev, "Invalid FDIR filter from VF %d\n", vf->vf_id); | |
2139 | goto err_free_conf; | |
2140 | } | |
2141 | ||
2142 | if (fltr->validate_only) { | |
2143 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2144 | stat->status = VIRTCHNL_FDIR_SUCCESS; | |
2145 | devm_kfree(dev, conf); | |
2146 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_FDIR_FILTER, | |
2147 | v_ret, (u8 *)stat, len); | |
2148 | goto exit; | |
2149 | } | |
2150 | ||
99f419df JG |
2151 | /* For raw FDIR filters created by the parser */ |
2152 | if (conf->parser_ena) { | |
2153 | ret = ice_vc_add_fdir_raw(vf, conf, &v_ret, stat, len); | |
2154 | if (ret) | |
2155 | goto err_free_conf; | |
2156 | goto exit; | |
2157 | } | |
2158 | ||
2159 | is_tun = ice_fdir_is_tunnel(conf->ttype); | |
1f7ea1cd QZ |
2160 | ret = ice_vc_fdir_config_input_set(vf, fltr, conf, is_tun); |
2161 | if (ret) { | |
2162 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2163 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT; | |
2164 | dev_err(dev, "VF %d: FDIR input set configure failed, ret:%d\n", | |
2165 | vf->vf_id, ret); | |
2166 | goto err_free_conf; | |
2167 | } | |
2168 | ||
2169 | ret = ice_vc_fdir_is_dup_fltr(vf, conf); | |
2170 | if (ret) { | |
2171 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2172 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_EXIST; | |
2173 | dev_dbg(dev, "VF %d: duplicated FDIR rule detected\n", | |
2174 | vf->vf_id); | |
2175 | goto err_free_conf; | |
2176 | } | |
2177 | ||
d6218317 | 2178 | ret = ice_vc_fdir_insert_entry(vf, conf, &conf->flow_id); |
1f7ea1cd QZ |
2179 | if (ret) { |
2180 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2181 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2182 | dev_dbg(dev, "VF %d: insert FDIR list failed\n", vf->vf_id); | |
2183 | goto err_free_conf; | |
2184 | } | |
2185 | ||
d6218317 QZ |
2186 | ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_ADD_FDIR_FILTER); |
2187 | if (ret) { | |
2188 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2189 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2190 | dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id); | |
b4a01ace | 2191 | goto err_rem_entry; |
d6218317 QZ |
2192 | } |
2193 | ||
1f7ea1cd QZ |
2194 | ret = ice_vc_fdir_write_fltr(vf, conf, true, is_tun); |
2195 | if (ret) { | |
2196 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2197 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2198 | dev_err(dev, "VF %d: writing FDIR rule failed, ret:%d\n", | |
2199 | vf->vf_id, ret); | |
b4a01ace | 2200 | goto err_clr_irq; |
1f7ea1cd QZ |
2201 | } |
2202 | ||
1f7ea1cd | 2203 | exit: |
1f7ea1cd QZ |
2204 | kfree(stat); |
2205 | return ret; | |
2206 | ||
b4a01ace | 2207 | err_clr_irq: |
d6218317 | 2208 | ice_vc_fdir_clear_irq_ctx(vf); |
b4a01ace | 2209 | err_rem_entry: |
d6218317 | 2210 | ice_vc_fdir_remove_entry(vf, conf, conf->flow_id); |
1f7ea1cd QZ |
2211 | err_free_conf: |
2212 | devm_kfree(dev, conf); | |
2213 | err_exit: | |
2214 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_FDIR_FILTER, v_ret, | |
2215 | (u8 *)stat, len); | |
2216 | kfree(stat); | |
2217 | return ret; | |
2218 | } | |
2219 | ||
99f419df JG |
2220 | /** |
2221 | * ice_vc_del_fdir_raw - delete a raw FDIR filter for VF | |
2222 | * @vf: pointer to the VF info | |
2223 | * @conf: FDIR configuration for each filter | |
2224 | * @v_ret: the final VIRTCHNL code | |
2225 | * @stat: pointer to the VIRTCHNL_OP_DEL_FDIR_FILTER | |
2226 | * @len: length of the stat | |
2227 | * | |
2228 | * Return: 0 on success or negative errno on failure. | |
2229 | */ | |
2230 | static int | |
2231 | ice_vc_del_fdir_raw(struct ice_vf *vf, | |
2232 | struct virtchnl_fdir_fltr_conf *conf, | |
2233 | enum virtchnl_status_code *v_ret, | |
2234 | struct virtchnl_fdir_del *stat, int len) | |
2235 | { | |
2236 | struct ice_vsi *vf_vsi, *ctrl_vsi; | |
2237 | enum ice_block blk = ICE_BLK_FD; | |
2238 | struct ice_fdir_prof_info *pi; | |
2239 | struct ice_pf *pf = vf->pf; | |
2240 | struct device *dev; | |
2241 | struct ice_hw *hw; | |
2242 | unsigned long id; | |
2243 | u16 vsi_num; | |
2244 | int ptg; | |
2245 | int ret; | |
2246 | ||
2247 | dev = ice_pf_to_dev(pf); | |
2248 | hw = &pf->hw; | |
2249 | *v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2250 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2251 | ||
2252 | id = find_first_bit(conf->prof->ptypes, ICE_FLOW_PTYPE_MAX); | |
2253 | ptg = hw->blk[ICE_BLK_FD].xlt1.t[id]; | |
2254 | ||
2255 | ret = ice_vc_fdir_write_fltr(vf, conf, false, false); | |
2256 | if (ret) { | |
2257 | dev_err(dev, "VF %u: deleting FDIR raw flow rule failed: %d\n", | |
2258 | vf->vf_id, ret); | |
2259 | return ret; | |
2260 | } | |
2261 | ||
2262 | vf_vsi = ice_get_vf_vsi(vf); | |
2263 | if (!vf_vsi) { | |
2264 | dev_err(dev, "Can not get FDIR vf_vsi for VF %u\n", vf->vf_id); | |
2265 | return -ENODEV; | |
2266 | } | |
2267 | ||
2268 | ctrl_vsi = pf->vsi[vf->ctrl_vsi_idx]; | |
2269 | if (!ctrl_vsi) { | |
2270 | dev_err(dev, "Can not get FDIR ctrl_vsi for VF %u\n", | |
2271 | vf->vf_id); | |
2272 | return -ENODEV; | |
2273 | } | |
2274 | ||
2275 | pi = &vf->fdir_prof_info[ptg]; | |
2276 | if (pi->fdir_active_cnt != 0) { | |
2277 | pi->fdir_active_cnt--; | |
2278 | /* Remove the profile id flow if no active FDIR rule left */ | |
2279 | if (!pi->fdir_active_cnt) { | |
2280 | vsi_num = ice_get_hw_vsi_num(hw, ctrl_vsi->idx); | |
2281 | ice_rem_prof_id_flow(hw, blk, vsi_num, id); | |
2282 | ||
2283 | vsi_num = ice_get_hw_vsi_num(hw, vf_vsi->idx); | |
2284 | ice_rem_prof_id_flow(hw, blk, vsi_num, id); | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | conf->parser_ena = false; | |
2289 | return 0; | |
2290 | } | |
2291 | ||
1f7ea1cd QZ |
2292 | /** |
2293 | * ice_vc_del_fdir_fltr - delete a FDIR filter for VF by the msg buffer | |
2294 | * @vf: pointer to the VF info | |
2295 | * @msg: pointer to the msg buffer | |
2296 | * | |
2297 | * Return: 0 on success, and other on error. | |
2298 | */ | |
2299 | int ice_vc_del_fdir_fltr(struct ice_vf *vf, u8 *msg) | |
2300 | { | |
2301 | struct virtchnl_fdir_del *fltr = (struct virtchnl_fdir_del *)msg; | |
2302 | struct virtchnl_fdir_del *stat = NULL; | |
2303 | struct virtchnl_fdir_fltr_conf *conf; | |
99f419df | 2304 | struct ice_vf_fdir *fdir = &vf->fdir; |
1f7ea1cd | 2305 | enum virtchnl_status_code v_ret; |
99f419df JG |
2306 | struct ice_fdir_fltr *input; |
2307 | enum ice_fltr_ptype flow; | |
1f7ea1cd QZ |
2308 | struct device *dev; |
2309 | struct ice_pf *pf; | |
2310 | int is_tun = 0; | |
2311 | int len = 0; | |
2312 | int ret; | |
2313 | ||
2314 | pf = vf->pf; | |
2315 | dev = ice_pf_to_dev(pf); | |
2316 | ret = ice_vc_fdir_param_check(vf, fltr->vsi_id); | |
2317 | if (ret) { | |
2318 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2319 | dev_dbg(dev, "Parameter check for VF %d failed\n", vf->vf_id); | |
2320 | goto err_exit; | |
2321 | } | |
2322 | ||
2323 | stat = kzalloc(sizeof(*stat), GFP_KERNEL); | |
2324 | if (!stat) { | |
2325 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; | |
2326 | dev_dbg(dev, "Alloc stat for VF %d failed\n", vf->vf_id); | |
2327 | goto err_exit; | |
2328 | } | |
2329 | ||
2330 | len = sizeof(*stat); | |
2331 | ||
2332 | conf = ice_vc_fdir_lookup_entry(vf, fltr->flow_id); | |
2333 | if (!conf) { | |
2334 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2335 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST; | |
2336 | dev_dbg(dev, "VF %d: FDIR invalid flow_id:0x%X\n", | |
2337 | vf->vf_id, fltr->flow_id); | |
2338 | goto err_exit; | |
2339 | } | |
2340 | ||
2341 | /* Just return failure when ctrl_vsi idx is invalid */ | |
2342 | if (vf->ctrl_vsi_idx == ICE_NO_VSI) { | |
2343 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2344 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2345 | dev_err(dev, "Invalid FDIR ctrl_vsi for VF %d\n", vf->vf_id); | |
2346 | goto err_exit; | |
2347 | } | |
2348 | ||
d6218317 QZ |
2349 | ret = ice_vc_fdir_set_irq_ctx(vf, conf, VIRTCHNL_OP_DEL_FDIR_FILTER); |
2350 | if (ret) { | |
2351 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2352 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2353 | dev_dbg(dev, "VF %d: set FDIR context failed\n", vf->vf_id); | |
2354 | goto err_exit; | |
2355 | } | |
2356 | ||
99f419df JG |
2357 | /* For raw FDIR filters created by the parser */ |
2358 | if (conf->parser_ena) { | |
2359 | ret = ice_vc_del_fdir_raw(vf, conf, &v_ret, stat, len); | |
2360 | if (ret) | |
2361 | goto err_del_tmr; | |
2362 | goto exit; | |
2363 | } | |
2364 | ||
2365 | is_tun = ice_fdir_is_tunnel(conf->ttype); | |
1f7ea1cd QZ |
2366 | ret = ice_vc_fdir_write_fltr(vf, conf, false, is_tun); |
2367 | if (ret) { | |
2368 | v_ret = VIRTCHNL_STATUS_SUCCESS; | |
2369 | stat->status = VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE; | |
2370 | dev_err(dev, "VF %d: writing FDIR rule failed, ret:%d\n", | |
2371 | vf->vf_id, ret); | |
d6218317 | 2372 | goto err_del_tmr; |
1f7ea1cd QZ |
2373 | } |
2374 | ||
99f419df JG |
2375 | /* Remove unused profiles to avoid unexpected behaviors */ |
2376 | input = &conf->input; | |
2377 | flow = input->flow_type; | |
2378 | if (fdir->fdir_fltr_cnt[flow][is_tun] == 1) | |
2379 | ice_vc_fdir_rem_prof(vf, flow, is_tun); | |
2380 | ||
2381 | exit: | |
d6218317 | 2382 | kfree(stat); |
1f7ea1cd | 2383 | |
d6218317 | 2384 | return ret; |
1f7ea1cd | 2385 | |
d6218317 QZ |
2386 | err_del_tmr: |
2387 | ice_vc_fdir_clear_irq_ctx(vf); | |
1f7ea1cd QZ |
2388 | err_exit: |
2389 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_FDIR_FILTER, v_ret, | |
2390 | (u8 *)stat, len); | |
2391 | kfree(stat); | |
2392 | return ret; | |
2393 | } | |
2394 | ||
2395 | /** | |
2396 | * ice_vf_fdir_init - init FDIR resource for VF | |
2397 | * @vf: pointer to the VF info | |
2398 | */ | |
2399 | void ice_vf_fdir_init(struct ice_vf *vf) | |
2400 | { | |
2401 | struct ice_vf_fdir *fdir = &vf->fdir; | |
2402 | ||
2403 | idr_init(&fdir->fdir_rule_idr); | |
2404 | INIT_LIST_HEAD(&fdir->fdir_rule_list); | |
d6218317 QZ |
2405 | |
2406 | spin_lock_init(&fdir->ctx_lock); | |
2407 | fdir->ctx_irq.flags = 0; | |
2408 | fdir->ctx_done.flags = 0; | |
83c911dc | 2409 | ice_vc_fdir_reset_cnt_all(fdir); |
1f7ea1cd QZ |
2410 | } |
2411 | ||
2412 | /** | |
2413 | * ice_vf_fdir_exit - destroy FDIR resource for VF | |
2414 | * @vf: pointer to the VF info | |
2415 | */ | |
2416 | void ice_vf_fdir_exit(struct ice_vf *vf) | |
2417 | { | |
2418 | ice_vc_fdir_flush_entry(vf); | |
2419 | idr_destroy(&vf->fdir.fdir_rule_idr); | |
2420 | ice_vc_fdir_rem_prof_all(vf); | |
2421 | ice_vc_fdir_free_prof_all(vf); | |
2422 | } |