1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
3 */
4
5 #ifndef _ROC_NPC_PRIV_H_
6 #define _ROC_NPC_PRIV_H_
7
8 #define NPC_IH_LENGTH 8
9 #define NPC_TPID_LENGTH 2
10 #define NPC_HIGIG2_LENGTH 16
11 #define NPC_MAX_RAW_ITEM_LEN 16
12 #define NPC_COUNTER_NONE (-1)
13
14 #define NPC_RSS_GRPS 8
15
16 #define NPC_ACTION_FLAG_DEFAULT 0xffff
17
18 #define NPC_PFVF_FUNC_MASK 0x3FF
19
20 /* 32 bytes from LDATA_CFG & 32 bytes from FLAGS_CFG */
21 #define NPC_MAX_EXTRACT_DATA_LEN (64)
22 #define NPC_MAX_EXTRACT_HW_LEN (4 * NPC_MAX_EXTRACT_DATA_LEN)
23 #define NPC_LDATA_LFLAG_LEN (16)
24 #define NPC_MAX_KEY_NIBBLES (31)
25
26 /* Nibble offsets */
27 #define NPC_LAYER_KEYX_SZ (3)
28 #define NPC_PARSE_KEX_S_LA_OFFSET (7)
29 #define NPC_PARSE_KEX_S_LID_OFFSET(lid) \
30 ((((lid) - (NPC_LID_LA)) * NPC_LAYER_KEYX_SZ) + \
31 NPC_PARSE_KEX_S_LA_OFFSET)
32
33 /* This mark value indicates flag action */
34 #define NPC_FLOW_FLAG_VAL (0xffff)
35
36 #define NPC_RX_ACT_MATCH_OFFSET (40)
37 #define NPC_RX_ACT_MATCH_MASK (0xFFFF)
38
39 #define NPC_RSS_ACT_GRP_OFFSET (20)
40 #define NPC_RSS_ACT_ALG_OFFSET (56)
41 #define NPC_RSS_ACT_GRP_MASK (0xFFFFF)
42 #define NPC_RSS_ACT_ALG_MASK (0x1F)
43
44 #define NPC_MCAM_KEX_FIELD_MAX 23
45 #define NPC_MCAM_MAX_PROTO_FIELDS (NPC_MCAM_KEX_FIELD_MAX + 1)
46 #define NPC_MCAM_KEY_X4_WORDS 7 /* Number of 64-bit words */
47
48 #define NPC_RVUPF_MAX_9XXX 0x10 /* HRM: RVU_PRIV_CONST */
49 #define NPC_RVUPF_MAX_98XX 0x18 /* HRM: RVU_PRIV_CONST */
50 #define NPC_RVUPF_MAX_10XX 0x20 /* HRM: RVU_PRIV_CONST */
51 #define NPC_NIXLF_MAX 0x80 /* HRM: NIX_AF_CONST2 */
52 #define NPC_MCAME_PER_PF 3 /* DRV: RSVD_MCAM_ENTRIES_PER_PF */
53 #define NPC_MCAME_PER_LF 1 /* DRV: RSVD_MCAM_ENTRIES_PER_NIXLF */
54 #define NPC_NIXLF_MAX_98XX (2 * NPC_NIXLF_MAX) /*2 NIXLFs */
55 #define NPC_MCAME_RESVD_9XXX \
56 (NPC_NIXLF_MAX * NPC_MCAME_PER_LF + \
57 (NPC_RVUPF_MAX_9XXX - 1) * NPC_MCAME_PER_PF)
58
59 #define NPC_MCAME_RESVD_10XX \
60 (NPC_NIXLF_MAX * NPC_MCAME_PER_LF + \
61 (NPC_RVUPF_MAX_10XX - 1) * NPC_MCAME_PER_PF)
62
63 #define NPC_MCAME_RESVD_98XX \
64 (NPC_NIXLF_MAX_98XX * NPC_MCAME_PER_LF + \
65 (NPC_RVUPF_MAX_98XX - 1) * NPC_MCAME_PER_PF)
66
67 #define NPC_ACTION_MAX_VLAN_PARAMS 3
68 #define NPC_ACTION_MAX_VLANS_STRIPPED 2
69
70 #define NPC_LTYPE_OFFSET_START 7
71 /* LB OFFSET : START + LA (2b flags + 1b ltype) + LB (2b flags) */
72 #define NPC_LTYPE_LB_OFFSET (NPC_LTYPE_OFFSET_START + 5)
73 #define NPC_LFLAG_LB_OFFSET (NPC_LTYPE_OFFSET_START + 3)
74 /* LC OFFSET : START + LA (2b flags + 1b ltype) + LB (2b flags + 1b ltype) + LC
75 * (2b flags)
76 */
77 #define NPC_LFLAG_LC_OFFSET (NPC_LTYPE_OFFSET_START + 6)
78 #define NPC_LTYPE_LC_OFFSET (NPC_LTYPE_OFFSET_START + 8)
79
80 struct npc_action_vtag_info {
81 uint16_t vlan_id;
82 uint16_t vlan_ethtype;
83 uint8_t vlan_pcp;
84 };
85
86 enum npc_err_status {
87 NPC_ERR_PARAM = -1024,
88 NPC_ERR_NO_MEM,
89 NPC_ERR_INVALID_SPEC,
90 NPC_ERR_INVALID_MASK,
91 NPC_ERR_INVALID_RANGE,
92 NPC_ERR_INVALID_KEX,
93 NPC_ERR_INVALID_SIZE,
94 NPC_ERR_INTERNAL,
95 NPC_ERR_MCAM_ALLOC,
96 NPC_ERR_ACTION_NOTSUP,
97 NPC_ERR_PATTERN_NOTSUP,
98 };
99
100 enum npc_mcam_intf { NPC_MCAM_RX, NPC_MCAM_TX };
101
102 typedef union npc_kex_cap_terms_t {
103 struct {
104 /** Total length of received packet */
105 uint64_t len : 1;
106 /** Initial (outer) Ethertype only */
107 uint64_t ethtype_0 : 1;
108 /** Ethertype of most inner VLAN tag */
109 uint64_t ethtype_x : 1;
110 /** First VLAN ID (outer) */
111 uint64_t vlan_id_0 : 1;
112 /** Last VLAN ID (inner) */
113 uint64_t vlan_id_x : 1;
114 /** destination MAC address */
115 uint64_t dmac : 1;
116 /** IP Protocol or IPv6 Next Header */
117 uint64_t ip_proto : 1;
118 /** Destination UDP port, implies IPPROTO=17 */
119 uint64_t udp_dport : 1;
120 /** Destination TCP port implies IPPROTO=6 */
121 uint64_t tcp_dport : 1;
122 /** Source UDP Port */
123 uint64_t udp_sport : 1;
124 /** Source TCP port */
125 uint64_t tcp_sport : 1;
126 /** Source IP address */
127 uint64_t sip_addr : 1;
128 /** Destination IP address */
129 uint64_t dip_addr : 1;
130 /** Source IP address */
131 uint64_t sip6_addr : 1;
132 /** Destination IP address */
133 uint64_t dip6_addr : 1;
134 /** IPsec session identifier */
135 uint64_t ipsec_spi : 1;
136 /** NVGRE/VXLAN network identifier */
137 uint64_t ld_vni : 1;
138 /** Custom frame match rule. PMR offset is counted from
139 * the start of the packet.
140 */
141 uint64_t custom_frame : 1;
142 /** Custom layer 3 match rule. PMR offset is counted from
143 * the start of layer 3 in the packet.
144 */
145 uint64_t custom_l3 : 1;
146 /** IGMP Group address */
147 uint64_t igmp_grp_addr : 1;
148 /** ICMP identifier */
149 uint64_t icmp_id : 1;
150 /** ICMP type */
151 uint64_t icmp_type : 1;
152 /** ICMP code */
153 uint64_t icmp_code : 1;
154 /** Source SCTP port */
155 uint64_t sctp_sport : 1;
156 /** Destination SCTP port */
157 uint64_t sctp_dport : 1;
158 /** GTPU Tunnel endpoint identifier */
159 uint64_t gtpu_teid : 1;
160
161 } bit;
162 /** All bits of the bit field structure */
163 uint64_t all_bits;
164 } npc_kex_cap_terms_t;
165
166 struct npc_parse_item_info {
167 const void *def_mask; /* default mask */
168 void *hw_mask; /* hardware supported mask */
169 int len; /* length of item */
170 const void *spec; /* spec to use, NULL implies match any */
171 const void *mask; /* mask to use */
172 uint8_t hw_hdr_len; /* Extra data len at each layer*/
173 };
174
175 struct npc_parse_state {
176 struct npc *npc;
177 const struct roc_npc_item_info *pattern;
178 const struct roc_npc_item_info *last_pattern;
179 struct roc_npc_flow *flow;
180 uint8_t nix_intf;
181 uint8_t tunnel;
182 uint8_t terminate;
183 uint8_t layer_mask;
184 uint8_t lt[NPC_MAX_LID];
185 uint8_t flags[NPC_MAX_LID];
186 uint8_t *mcam_data; /* point to flow->mcam_data + key_len */
187 uint8_t *mcam_mask; /* point to flow->mcam_mask + key_len */
188 bool is_vf;
189 /* adjust ltype in MCAM to match at least one vlan */
190 bool set_vlan_ltype_mask;
191 bool set_ipv6ext_ltype_mask;
192 bool is_second_pass_rule;
193 };
194
195 enum npc_kpu_parser_flag {
196 NPC_F_NA = 0,
197 NPC_F_PKI,
198 NPC_F_PKI_VLAN,
199 NPC_F_PKI_ETAG,
200 NPC_F_PKI_ITAG,
201 NPC_F_PKI_MPLS,
202 NPC_F_PKI_NSH,
203 NPC_F_ETYPE_UNK,
204 NPC_F_ETHER_VLAN,
205 NPC_F_ETHER_ETAG,
206 NPC_F_ETHER_ITAG,
207 NPC_F_ETHER_MPLS,
208 NPC_F_ETHER_NSH,
209 NPC_F_STAG_CTAG,
210 NPC_F_STAG_CTAG_UNK,
211 NPC_F_STAG_STAG_CTAG,
212 NPC_F_STAG_STAG_STAG,
213 NPC_F_QINQ_CTAG,
214 NPC_F_QINQ_CTAG_UNK,
215 NPC_F_QINQ_QINQ_CTAG,
216 NPC_F_QINQ_QINQ_QINQ,
217 NPC_F_BTAG_ITAG,
218 NPC_F_BTAG_ITAG_STAG,
219 NPC_F_BTAG_ITAG_CTAG,
220 NPC_F_BTAG_ITAG_UNK,
221 NPC_F_ETAG_CTAG,
222 NPC_F_ETAG_BTAG_ITAG,
223 NPC_F_ETAG_STAG,
224 NPC_F_ETAG_QINQ,
225 NPC_F_ETAG_ITAG,
226 NPC_F_ETAG_ITAG_STAG,
227 NPC_F_ETAG_ITAG_CTAG,
228 NPC_F_ETAG_ITAG_UNK,
229 NPC_F_ITAG_STAG_CTAG,
230 NPC_F_ITAG_STAG,
231 NPC_F_ITAG_CTAG,
232 NPC_F_MPLS_4_LABELS,
233 NPC_F_MPLS_3_LABELS,
234 NPC_F_MPLS_2_LABELS,
235 NPC_F_IP_HAS_OPTIONS,
236 NPC_F_IP_IP_IN_IP,
237 NPC_F_IP_6TO4,
238 NPC_F_IP_MPLS_IN_IP,
239 NPC_F_IP_UNK_PROTO,
240 NPC_F_IP_IP_IN_IP_HAS_OPTIONS,
241 NPC_F_IP_6TO4_HAS_OPTIONS,
242 NPC_F_IP_MPLS_IN_IP_HAS_OPTIONS,
243 NPC_F_IP_UNK_PROTO_HAS_OPTIONS,
244 NPC_F_IP6_HAS_EXT,
245 NPC_F_IP6_TUN_IP6,
246 NPC_F_IP6_MPLS_IN_IP,
247 NPC_F_TCP_HAS_OPTIONS,
248 NPC_F_TCP_HTTP,
249 NPC_F_TCP_HTTPS,
250 NPC_F_TCP_PPTP,
251 NPC_F_TCP_UNK_PORT,
252 NPC_F_TCP_HTTP_HAS_OPTIONS,
253 NPC_F_TCP_HTTPS_HAS_OPTIONS,
254 NPC_F_TCP_PPTP_HAS_OPTIONS,
255 NPC_F_TCP_UNK_PORT_HAS_OPTIONS,
256 NPC_F_UDP_VXLAN,
257 NPC_F_UDP_VXLAN_NOVNI,
258 NPC_F_UDP_VXLAN_NOVNI_NSH,
259 NPC_F_UDP_VXLANGPE,
260 NPC_F_UDP_VXLANGPE_NSH,
261 NPC_F_UDP_VXLANGPE_MPLS,
262 NPC_F_UDP_VXLANGPE_NOVNI,
263 NPC_F_UDP_VXLANGPE_NOVNI_NSH,
264 NPC_F_UDP_VXLANGPE_NOVNI_MPLS,
265 NPC_F_UDP_VXLANGPE_UNK,
266 NPC_F_UDP_VXLANGPE_NONP,
267 NPC_F_UDP_GTP_GTPC,
268 NPC_F_UDP_GTP_GTPU_G_PDU,
269 NPC_F_UDP_GTP_GTPU_UNK,
270 NPC_F_UDP_UNK_PORT,
271 NPC_F_UDP_GENEVE,
272 NPC_F_UDP_GENEVE_OAM,
273 NPC_F_UDP_GENEVE_CRI_OPT,
274 NPC_F_UDP_GENEVE_OAM_CRI_OPT,
275 NPC_F_GRE_NVGRE,
276 NPC_F_GRE_HAS_SRE,
277 NPC_F_GRE_HAS_CSUM,
278 NPC_F_GRE_HAS_KEY,
279 NPC_F_GRE_HAS_SEQ,
280 NPC_F_GRE_HAS_CSUM_KEY,
281 NPC_F_GRE_HAS_CSUM_SEQ,
282 NPC_F_GRE_HAS_KEY_SEQ,
283 NPC_F_GRE_HAS_CSUM_KEY_SEQ,
284 NPC_F_GRE_HAS_ROUTE,
285 NPC_F_GRE_UNK_PROTO,
286 NPC_F_GRE_VER1,
287 NPC_F_GRE_VER1_HAS_SEQ,
288 NPC_F_GRE_VER1_HAS_ACK,
289 NPC_F_GRE_VER1_HAS_SEQ_ACK,
290 NPC_F_GRE_VER1_UNK_PROTO,
291 NPC_F_TU_ETHER_UNK,
292 NPC_F_TU_ETHER_CTAG,
293 NPC_F_TU_ETHER_CTAG_UNK,
294 NPC_F_TU_ETHER_STAG_CTAG,
295 NPC_F_TU_ETHER_STAG_CTAG_UNK,
296 NPC_F_TU_ETHER_STAG,
297 NPC_F_TU_ETHER_STAG_UNK,
298 NPC_F_TU_ETHER_QINQ_CTAG,
299 NPC_F_TU_ETHER_QINQ_CTAG_UNK,
300 NPC_F_TU_ETHER_QINQ,
301 NPC_F_TU_ETHER_QINQ_UNK,
302 NPC_F_LAST /* has to be the last item */
303 };
304
305 #define NPC_ACTION_TERM \
306 (ROC_NPC_ACTION_TYPE_DROP | ROC_NPC_ACTION_TYPE_QUEUE | \
307 ROC_NPC_ACTION_TYPE_RSS | ROC_NPC_ACTION_TYPE_DUP | \
308 ROC_NPC_ACTION_TYPE_SEC)
309
310 struct npc_xtract_info {
311 /* Length in bytes of pkt data extracted. len = 0
312 * indicates that extraction is disabled.
313 */
314 uint8_t len;
315 uint8_t hdr_off; /* Byte offset of proto hdr: extract_src */
316 uint8_t key_off; /* Byte offset in MCAM key where data is placed */
317 uint8_t enable; /* Extraction enabled or disabled */
318 uint8_t flags_enable; /* Flags extraction enabled */
319 };
320
321 /* Information for a given {LAYER, LTYPE} */
322 struct npc_lid_lt_xtract_info {
323 /* Info derived from parser configuration */
324 uint16_t npc_proto; /* Network protocol identified */
325 uint8_t valid_flags_mask; /* Flags applicable */
326 uint8_t is_terminating : 1; /* No more parsing */
327 struct npc_xtract_info xtract[NPC_MAX_LD];
328 };
329
330 union npc_kex_ldata_flags_cfg {
331 struct {
332 uint64_t lid : 3;
333 uint64_t rvsd_62_1 : 61;
334 } s;
335
336 uint64_t i;
337 };
338
339 typedef struct npc_lid_lt_xtract_info npc_dxcfg_t[NPC_MAX_INTF][NPC_MAX_LID]
340 [NPC_MAX_LT];
341 typedef struct npc_lid_lt_xtract_info npc_fxcfg_t[NPC_MAX_INTF][NPC_MAX_LD]
342 [NPC_MAX_LFL];
343 typedef union npc_kex_ldata_flags_cfg npc_ld_flags_t[NPC_MAX_LD];
344
345 /* MBOX_MSG_NPC_GET_DATAX_CFG Response */
346 struct npc_get_datax_cfg {
347 /* NPC_AF_KEX_LDATA(0..1)_FLAGS_CFG */
348 union npc_kex_ldata_flags_cfg ld_flags[NPC_MAX_LD];
349 /* Extract information indexed with [LID][LTYPE] */
350 struct npc_lid_lt_xtract_info lid_lt_xtract[NPC_MAX_LID][NPC_MAX_LT];
351 /* Flags based extract indexed with [LDATA][FLAGS_LOWER_NIBBLE]
352 * Fields flags_ena_ld0, flags_ena_ld1 in
353 * struct npc_lid_lt_xtract_info indicate if this is applicable
354 * for a given {LAYER, LTYPE}
355 */
356 struct npc_xtract_info flag_xtract[NPC_MAX_LD][NPC_MAX_LT];
357 };
358
359 TAILQ_HEAD(npc_flow_list, roc_npc_flow);
360
361 struct npc_prio_flow_entry {
362 struct roc_npc_flow *flow;
363 TAILQ_ENTRY(npc_prio_flow_entry) next;
364 };
365
366 TAILQ_HEAD(npc_prio_flow_list_head, npc_prio_flow_entry);
367
368 struct npc {
369 struct mbox *mbox; /* Mbox */
370 uint32_t keyx_supp_nmask[NPC_MAX_INTF]; /* nibble mask */
371 uint8_t profile_name[MKEX_NAME_LEN]; /* KEX profile name */
372 uint32_t keyx_len[NPC_MAX_INTF]; /* per intf key len in bits */
373 uint32_t datax_len[NPC_MAX_INTF]; /* per intf data len in bits */
374 uint32_t keyw[NPC_MAX_INTF]; /* max key + data len bits */
375 uint32_t mcam_entries; /* mcam entries supported */
376 uint16_t channel; /* RX Channel number */
377 bool is_sdp_link;
378 uint16_t sdp_channel;
379 uint16_t sdp_channel_mask;
380 uint32_t rss_grps; /* rss groups supported */
381 uint16_t flow_prealloc_size; /* Pre allocated mcam size */
382 uint16_t flow_max_priority; /* Max priority for flow */
383 uint16_t switch_header_type; /* Supported switch header type */
384 uint32_t vtag_strip_actions; /* vtag insert/strip actions */
385 uint16_t pf_func; /* pf_func of device */
386 npc_dxcfg_t prx_dxcfg; /* intf, lid, lt, extract */
387 npc_fxcfg_t prx_fxcfg; /* Flag extract */
388 npc_ld_flags_t prx_lfcfg; /* KEX LD_Flags CFG */
389 struct npc_flow_list *flow_list;
390 struct npc_prio_flow_list_head *prio_flow_list;
391 struct plt_bitmap *rss_grp_entries;
392 };
393
394 static inline struct npc *
roc_npc_to_npc_priv(struct roc_npc * npc)395 roc_npc_to_npc_priv(struct roc_npc *npc)
396 {
397 return (struct npc *)npc->reserved;
398 }
399
400 int npc_mcam_free_counter(struct npc *npc, uint16_t ctr_id);
401 int npc_mcam_read_counter(struct npc *npc, uint32_t ctr_id, uint64_t *count);
402 int npc_mcam_clear_counter(struct npc *npc, uint32_t ctr_id);
403 int npc_mcam_free_entry(struct npc *npc, uint32_t entry);
404 int npc_mcam_free_all_entries(struct npc *npc);
405 int npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
406 struct npc_parse_state *pst);
407 int npc_mcam_alloc_entry(struct npc *npc, struct roc_npc_flow *mcam,
408 struct roc_npc_flow *ref_mcam, int prio,
409 int *resp_count);
410 int npc_mcam_alloc_entries(struct npc *npc, int ref_mcam, int *alloc_entry,
411 int req_count, int prio, int *resp_count);
412
413 int npc_mcam_ena_dis_entry(struct npc *npc, struct roc_npc_flow *mcam,
414 bool enable);
415 int npc_mcam_write_entry(struct npc *npc, struct roc_npc_flow *mcam);
416 int npc_flow_enable_all_entries(struct npc *npc, bool enable);
417 int npc_update_parse_state(struct npc_parse_state *pst,
418 struct npc_parse_item_info *info, int lid, int lt,
419 uint8_t flags);
420 void npc_get_hw_supp_mask(struct npc_parse_state *pst,
421 struct npc_parse_item_info *info, int lid, int lt);
422 int npc_parse_item_basic(const struct roc_npc_item_info *item,
423 struct npc_parse_item_info *info);
424 int npc_parse_meta_items(struct npc_parse_state *pst);
425 int npc_parse_mark_item(struct npc_parse_state *pst);
426 int npc_parse_pre_l2(struct npc_parse_state *pst);
427 int npc_parse_higig2_hdr(struct npc_parse_state *pst);
428 int npc_parse_cpt_hdr(struct npc_parse_state *pst);
429 int npc_parse_la(struct npc_parse_state *pst);
430 int npc_parse_lb(struct npc_parse_state *pst);
431 int npc_parse_lc(struct npc_parse_state *pst);
432 int npc_parse_ld(struct npc_parse_state *pst);
433 int npc_parse_le(struct npc_parse_state *pst);
434 int npc_parse_lf(struct npc_parse_state *pst);
435 int npc_parse_lg(struct npc_parse_state *pst);
436 int npc_parse_lh(struct npc_parse_state *pst);
437 int npc_mcam_fetch_kex_cfg(struct npc *npc);
438 int npc_get_free_mcam_entry(struct mbox *mbox, struct roc_npc_flow *flow,
439 struct npc *npc);
440 void npc_delete_prio_list_entry(struct npc *npc, struct roc_npc_flow *flow);
441 int npc_flow_free_all_resources(struct npc *npc);
442 const struct roc_npc_item_info *
443 npc_parse_skip_void_and_any_items(const struct roc_npc_item_info *pattern);
444 int npc_program_mcam(struct npc *npc, struct npc_parse_state *pst,
445 bool mcam_alloc);
446 uint64_t npc_get_kex_capability(struct npc *npc);
447 int npc_rss_free_grp_get(struct npc *npc, uint32_t *grp);
448 int npc_rss_action_configure(struct roc_npc *roc_npc,
449 const struct roc_npc_action_rss *rss,
450 uint8_t *alg_idx, uint32_t *rss_grp,
451 uint32_t mcam_id);
452 int npc_rss_action_program(struct roc_npc *roc_npc,
453 const struct roc_npc_action actions[],
454 struct roc_npc_flow *flow);
455 int npc_rss_group_free(struct npc *npc, struct roc_npc_flow *flow);
456 #endif /* _ROC_NPC_PRIV_H_ */
457