1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2025-2026 NXP */
3 #ifndef __NETC_NTMP_H
4 #define __NETC_NTMP_H
5
6 #include <linux/bitmap.h>
7 #include <linux/bitops.h>
8 #include <linux/if_ether.h>
9
10 #define NTMP_NULL_ENTRY_ID 0xffffffffU
11 #define IPFT_MAX_PLD_LEN 24
12
13 struct maft_keye_data {
14 u8 mac_addr[ETH_ALEN];
15 __le16 resv;
16 };
17
18 struct maft_cfge_data {
19 __le16 si_bitmap;
20 __le16 resv;
21 };
22
23 struct netc_cbdr_regs {
24 void __iomem *pir;
25 void __iomem *cir;
26 void __iomem *mr;
27
28 void __iomem *bar0;
29 void __iomem *bar1;
30 void __iomem *lenr;
31 };
32
33 struct netc_tbl_vers {
34 u8 maft_ver;
35 u8 rsst_ver;
36 u8 fdbt_ver;
37 u8 vft_ver;
38 u8 bpt_ver;
39 u8 ipft_ver;
40 u8 ett_ver;
41 u8 ect_ver;
42 };
43
44 struct netc_swcbd {
45 void *buf;
46 dma_addr_t dma;
47 size_t size;
48 };
49
50 struct netc_cbdr {
51 struct device *dev;
52 struct netc_cbdr_regs regs;
53
54 int bd_num;
55 int next_to_use;
56 int next_to_clean;
57
58 int dma_size;
59 void *addr_base;
60 void *addr_base_align;
61 dma_addr_t dma_base;
62 dma_addr_t dma_base_align;
63 struct netc_swcbd *swcbd;
64
65 /* Serialize the order of command BD ring */
66 struct mutex ring_lock;
67 };
68
69 struct ntmp_user {
70 int cbdr_num; /* number of control BD ring */
71 struct device *dev;
72 struct netc_cbdr *ring;
73 struct netc_tbl_vers tbl;
74
75 /* NTMP table bitmaps for resource management */
76 u32 ett_bitmap_size;
77 u32 ect_bitmap_size;
78 u16 maft_num_entries;
79 unsigned long *ett_gid_bitmap; /* only valid for switch */
80 unsigned long *ect_gid_bitmap; /* only valid for switch */
81 unsigned long *maft_eid_bitmap; /* only valid for ENETC */
82 };
83
84 struct maft_entry_data {
85 struct maft_keye_data keye;
86 struct maft_cfge_data cfge;
87 };
88
89 struct ipft_pld_byte {
90 u8 data;
91 u8 mask;
92 };
93
94 struct ipft_keye_data {
95 __le16 precedence;
96 __le16 resv0[3];
97 __le16 frm_attr_flags;
98 #define IPFT_FAF_OVLAN BIT(2)
99 #define IPFT_FAF_IVLAN BIT(3)
100 #define IPFT_FAF_IP_HDR BIT(7)
101 #define IPFT_FAF_IP_VER6 BIT(8)
102 #define IPFT_FAF_L4_CODE GENMASK(11, 10)
103 #define IPFT_FAF_TCP_HDR 1
104 #define IPFT_FAF_UDP_HDR 2
105 #define IPFT_FAF_SCTP_HDR 3
106 #define IPFT_FAF_WOL_MAGIC BIT(12)
107 __le16 frm_attr_flags_mask;
108 __le16 dscp;
109 #define IPFT_DSCP GENMASK(5, 0)
110 #define IPFT_DSCP_MASK GENMASK(11, 6)
111 #define IPFT_DSCP_MASK_ALL 0x3f
112 __le16 src_port; /* This field is reserved for ENETC */
113 #define IPFT_SRC_PORT GENMASK(4, 0)
114 #define IPFT_SRC_PORT_MASK GENMASK(9, 5)
115 #define IPFT_SRC_PORT_MASK_ALL 0x1f
116 __be16 outer_vlan_tci;
117 __be16 outer_vlan_tci_mask;
118 u8 dmac[ETH_ALEN];
119 u8 dmac_mask[ETH_ALEN];
120 u8 smac[ETH_ALEN];
121 u8 smac_mask[ETH_ALEN];
122 __be16 inner_vlan_tci;
123 __be16 inner_vlan_tci_mask;
124 __be16 ethertype;
125 __be16 ethertype_mask;
126 u8 ip_protocol;
127 u8 ip_protocol_mask;
128 __le16 resv1[7];
129 __be32 ip_src[4];
130 __le32 resv2[2];
131 __be32 ip_src_mask[4];
132 __be16 l4_src_port;
133 __be16 l4_src_port_mask;
134 __le32 resv3;
135 __be32 ip_dst[4];
136 __le32 resv4[2];
137 __be32 ip_dst_mask[4];
138 __be16 l4_dst_port;
139 __be16 l4_dst_port_mask;
140 __le32 resv5;
141 struct ipft_pld_byte byte[IPFT_MAX_PLD_LEN];
142 };
143
144 struct ipft_cfge_data {
145 __le32 cfg;
146 #define IPFT_IPV GENMASK(3, 0)
147 #define IPFT_OIPV BIT(4)
148 #define IPFT_DR GENMASK(6, 5)
149 #define IPFT_ODR BIT(7)
150 #define IPFT_FLTFA GENMASK(10, 8)
151 #define IPFT_FLTFA_DISCARD 0
152 #define IPFT_FLTFA_PERMIT 1
153 /* Redirect is only for switch */
154 #define IPFT_FLTFA_REDIRECT 2
155 #define IPFT_IMIRE BIT(11)
156 #define IPFT_WOLTE BIT(12)
157 #define IPFT_FLTA GENMASK(14, 13)
158 #define IPFT_FLTA_RP 1
159 #define IPFT_FLTA_IS 2
160 #define IPFT_FLTA_SI_BITMAP 3
161 #define IPFT_RPR GENMASK(16, 15)
162 #define IPFT_CTD BIT(17)
163 #define IPFT_HR GENMASK(21, 18)
164 #define IPFT_TIMECAPE BIT(22)
165 #define IPFT_RRT BIT(23)
166 #define IPFT_BL2F BIT(24)
167 #define IPFT_EVMEID GENMASK(31, 28)
168 __le32 flta_tgt;
169 };
170
171 struct ipft_entry_data {
172 u32 entry_id; /* hardware assigns entry ID */
173 struct ipft_keye_data keye;
174 struct ipft_cfge_data cfge;
175 };
176
177 struct fdbt_keye_data {
178 u8 mac_addr[ETH_ALEN]; /* big-endian */
179 __le16 resv0;
180 __le16 fid;
181 #define FDBT_FID GENMASK(11, 0)
182 __le16 resv1;
183 };
184
185 struct fdbt_cfge_data {
186 __le32 port_bitmap;
187 #define FDBT_PORT_BITMAP GENMASK(23, 0)
188 __le32 cfg;
189 #define FDBT_OETEID GENMASK(1, 0)
190 #define FDBT_EPORT GENMASK(6, 2)
191 #define FDBT_IMIRE BIT(7)
192 #define FDBT_CTD GENMASK(10, 9)
193 #define FDBT_DYNAMIC BIT(11)
194 #define FDBT_TIMECAPE BIT(12)
195 __le32 et_eid;
196 };
197
198 struct fdbt_entry_data {
199 u32 entry_id;
200 struct fdbt_keye_data keye;
201 struct fdbt_cfge_data cfge;
202 u8 acte;
203 #define FDBT_ACT_CNT GENMASK(6, 0)
204 #define FDBT_ACT_FLAG BIT(7)
205 };
206
207 struct vft_cfge_data {
208 __le32 bitmap_stg;
209 #define VFT_PORT_MEMBERSHIP GENMASK(23, 0)
210 #define VFT_STG_ID_MASK GENMASK(27, 24)
211 #define VFT_STG_ID(g) FIELD_PREP(VFT_STG_ID_MASK, (g))
212 __le16 fid;
213 #define VFT_FID GENMASK(11, 0)
214 __le16 cfg;
215 #define VFT_MLO GENMASK(2, 0)
216 #define VFT_MFO GENMASK(4, 3)
217 #define VFT_IPMFE BIT(6)
218 #define VFT_IPMFLE BIT(7)
219 #define VFT_PGA BIT(8)
220 #define VFT_SFDA BIT(10)
221 #define VFT_OSFDA BIT(11)
222 #define VFT_FDBAFSS BIT(12)
223 __le32 eta_port_bitmap;
224 #define VFT_ETA_PORT_BITMAP GENMASK(23, 0)
225 __le32 et_eid;
226 };
227
228 struct ett_cfge_data {
229 __le16 efm_cfg;
230 #define ETT_EFM_MODE GENMASK(1, 0)
231 #define ETT_ESQA GENMASK(5, 4)
232 #define ETT_ECA GENMASK(8, 6)
233 #define ETT_ECA_INC 1
234 #define ETT_EFM_LEN_CHANGE GENMASK(15, 9)
235 #define ETT_FRM_LEN_DEL_VLAN 0x7c
236 #define ETT_FRM_LEN_DEL_RTAG 0x7a
237 #define ETT_FRM_LEN_DEL_VLAN_RTAG 0x76
238 __le16 efm_data_len;
239 #define ETT_EFM_DATA_LEN GENMASK(10, 0)
240 __le32 efm_eid;
241 __le32 ec_eid;
242 __le32 esqa_tgt_eid;
243 };
244
245 struct bpt_bpse_data {
246 __le32 amount_used;
247 __le32 amount_used_hwm;
248 u8 bpd_fc_state;
249 #define BPT_FC_STATE BIT(0)
250 #define BPT_BPD BIT(1)
251 } __packed;
252
253 struct bpt_cfge_data {
254 u8 fccfg_sbpen;
255 #define BPT_FC_CFG GENMASK(2, 1)
256 #define BPT_FC_CFG_EN_BPFC 1
257 u8 pfc_vector;
258 __le16 max_thresh;
259 __le16 fc_on_thresh;
260 __le16 fc_off_thresh;
261 __le16 sbp_thresh;
262 __le16 resv;
263 __le32 sbp_eid;
264 __le32 fc_ports;
265 };
266
267 union ntmp_fmt_eid {
268 __le32 index;
269 #define FMTEID_INDEX GENMASK(12, 0)
270 __le32 vuda_sqta;
271 #define FMTEID_VUDA GENMASK(1, 0)
272 #define FMTEID_VUDA_DEL_OTAG 2
273 #define FMTEID_SQTA GENMASK(4, 2)
274 #define FMTEID_SQTA_DEL 2
275 #define FMTEID_VUDA_SQTA BIT(13)
276 __le32 vara_vid;
277 #define FMTEID_VID GENMASK(11, 0)
278 #define FMTEID_VARA GENMASK(13, 12)
279 #define FMTEID_VARA_VID BIT(14)
280 };
281
282 #if IS_ENABLED(CONFIG_NXP_NETC_LIB)
283 int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev,
284 const struct netc_cbdr_regs *regs);
285 void ntmp_free_cbdr(struct netc_cbdr *cbdr);
286 u32 ntmp_lookup_free_eid(unsigned long *bitmap, u32 size);
287 void ntmp_clear_eid_bitmap(unsigned long *bitmap, u32 entry_id);
288
289 /* NTMP APIs */
290 int ntmp_maft_add_entry(struct ntmp_user *user, u32 entry_id,
291 struct maft_entry_data *maft);
292 int ntmp_maft_query_entry(struct ntmp_user *user, u32 entry_id,
293 struct maft_entry_data *maft);
294 int ntmp_maft_delete_entry(struct ntmp_user *user, u32 entry_id);
295 int ntmp_rsst_update_entry(struct ntmp_user *user, const u32 *table,
296 int count);
297 int ntmp_rsst_query_entry(struct ntmp_user *user,
298 u32 *table, int count);
299 int ntmp_ipft_add_entry(struct ntmp_user *user,
300 struct ipft_entry_data *entry);
301 int ntmp_ipft_delete_entry(struct ntmp_user *user, u32 entry_id);
302 int ntmp_fdbt_add_entry(struct ntmp_user *user, u32 *entry_id,
303 const struct fdbt_keye_data *keye,
304 const struct fdbt_cfge_data *cfge);
305 int ntmp_fdbt_update_entry(struct ntmp_user *user, u32 entry_id,
306 const struct fdbt_cfge_data *cfge);
307 int ntmp_fdbt_delete_entry(struct ntmp_user *user, u32 entry_id);
308 int ntmp_fdbt_search_port_entry(struct ntmp_user *user, int port,
309 u32 *resume_entry_id,
310 struct fdbt_entry_data *entry);
311 int ntmp_fdbt_update_activity_element(struct ntmp_user *user);
312 int ntmp_fdbt_delete_ageing_entries(struct ntmp_user *user, u8 act_cnt);
313 int ntmp_fdbt_delete_port_dynamic_entries(struct ntmp_user *user, int port);
314 int ntmp_vft_add_entry(struct ntmp_user *user, u16 vid,
315 const struct vft_cfge_data *cfge);
316 int ntmp_vft_update_entry(struct ntmp_user *user, u16 vid,
317 const struct vft_cfge_data *cfge);
318 int ntmp_vft_delete_entry(struct ntmp_user *user, u16 vid);
319 int ntmp_ett_add_entry(struct ntmp_user *user, u32 entry_id,
320 const struct ett_cfge_data *cfge);
321 int ntmp_ett_update_entry(struct ntmp_user *user, u32 entry_id,
322 const struct ett_cfge_data *cfge);
323 int ntmp_ett_delete_entry(struct ntmp_user *user, u32 entry_id);
324 int ntmp_ect_update_entry(struct ntmp_user *user, u32 entry_id);
325 int ntmp_bpt_update_entry(struct ntmp_user *user, u32 entry_id,
326 const struct bpt_cfge_data *cfge);
327 #else
ntmp_init_cbdr(struct netc_cbdr * cbdr,struct device * dev,const struct netc_cbdr_regs * regs)328 static inline int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev,
329 const struct netc_cbdr_regs *regs)
330 {
331 return 0;
332 }
333
ntmp_free_cbdr(struct netc_cbdr * cbdr)334 static inline void ntmp_free_cbdr(struct netc_cbdr *cbdr)
335 {
336 }
337
ntmp_maft_add_entry(struct ntmp_user * user,u32 entry_id,struct maft_entry_data * maft)338 static inline int ntmp_maft_add_entry(struct ntmp_user *user, u32 entry_id,
339 struct maft_entry_data *maft)
340 {
341 return 0;
342 }
343
ntmp_maft_query_entry(struct ntmp_user * user,u32 entry_id,struct maft_entry_data * maft)344 static inline int ntmp_maft_query_entry(struct ntmp_user *user, u32 entry_id,
345 struct maft_entry_data *maft)
346 {
347 return 0;
348 }
349
ntmp_maft_delete_entry(struct ntmp_user * user,u32 entry_id)350 static inline int ntmp_maft_delete_entry(struct ntmp_user *user, u32 entry_id)
351 {
352 return 0;
353 }
354
ntmp_rsst_update_entry(struct ntmp_user * user,const u32 * table,int count)355 static inline int ntmp_rsst_update_entry(struct ntmp_user *user,
356 const u32 *table, int count)
357 {
358 return 0;
359 }
360
ntmp_rsst_query_entry(struct ntmp_user * user,u32 * table,int count)361 static inline int ntmp_rsst_query_entry(struct ntmp_user *user,
362 u32 *table, int count)
363 {
364 return 0;
365 }
366
367 #endif
368
369 #endif
370