1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
3 */
4
5 #include <inttypes.h>
6 #include <math.h>
7
8 #include "cnxk_ethdev.h"
9
10 struct sdp_channel {
11 bool is_sdp_mask_set;
12 uint16_t channel;
13 uint16_t mask;
14 };
15
16 struct flow_pre_l2_size_info {
17 uint8_t pre_l2_size_off;
18 uint8_t pre_l2_size_off_mask;
19 uint8_t pre_l2_size_shift_dir;
20 };
21
22 static int
parse_outb_nb_desc(const char * key,const char * value,void * extra_args)23 parse_outb_nb_desc(const char *key, const char *value, void *extra_args)
24 {
25 RTE_SET_USED(key);
26 uint32_t val;
27
28 val = atoi(value);
29
30 *(uint16_t *)extra_args = val;
31
32 return 0;
33 }
34
35 static int
parse_outb_nb_crypto_qs(const char * key,const char * value,void * extra_args)36 parse_outb_nb_crypto_qs(const char *key, const char *value, void *extra_args)
37 {
38 RTE_SET_USED(key);
39 uint32_t val;
40
41 val = atoi(value);
42
43 if (val < 1 || val > 64)
44 return -EINVAL;
45
46 *(uint16_t *)extra_args = val;
47
48 return 0;
49 }
50
51 static int
parse_ipsec_in_spi_range(const char * key,const char * value,void * extra_args)52 parse_ipsec_in_spi_range(const char *key, const char *value, void *extra_args)
53 {
54 RTE_SET_USED(key);
55 uint32_t val;
56
57 errno = 0;
58 val = strtoul(value, NULL, 0);
59 if (errno)
60 val = 0;
61
62 *(uint32_t *)extra_args = val;
63
64 return 0;
65 }
66
67 static int
parse_ipsec_out_max_sa(const char * key,const char * value,void * extra_args)68 parse_ipsec_out_max_sa(const char *key, const char *value, void *extra_args)
69 {
70 RTE_SET_USED(key);
71 uint32_t val;
72
73 errno = 0;
74 val = strtoul(value, NULL, 0);
75 if (errno)
76 val = 0;
77
78 *(uint16_t *)extra_args = val;
79
80 return 0;
81 }
82
83 static int
parse_flow_max_priority(const char * key,const char * value,void * extra_args)84 parse_flow_max_priority(const char *key, const char *value, void *extra_args)
85 {
86 RTE_SET_USED(key);
87 uint16_t val;
88
89 val = atoi(value);
90
91 /* Limit the max priority to 32 */
92 if (val < 1 || val > 32)
93 return -EINVAL;
94
95 *(uint16_t *)extra_args = val;
96
97 return 0;
98 }
99
100 static int
parse_flow_prealloc_size(const char * key,const char * value,void * extra_args)101 parse_flow_prealloc_size(const char *key, const char *value, void *extra_args)
102 {
103 RTE_SET_USED(key);
104 uint16_t val;
105
106 val = atoi(value);
107
108 /* Limit the prealloc size to 32 */
109 if (val < 1 || val > 32)
110 return -EINVAL;
111
112 *(uint16_t *)extra_args = val;
113
114 return 0;
115 }
116
117 static int
parse_reta_size(const char * key,const char * value,void * extra_args)118 parse_reta_size(const char *key, const char *value, void *extra_args)
119 {
120 RTE_SET_USED(key);
121 uint32_t val;
122
123 val = atoi(value);
124
125 if (val <= RTE_ETH_RSS_RETA_SIZE_64)
126 val = ROC_NIX_RSS_RETA_SZ_64;
127 else if (val > RTE_ETH_RSS_RETA_SIZE_64 && val <= RTE_ETH_RSS_RETA_SIZE_128)
128 val = ROC_NIX_RSS_RETA_SZ_128;
129 else if (val > RTE_ETH_RSS_RETA_SIZE_128 && val <= RTE_ETH_RSS_RETA_SIZE_256)
130 val = ROC_NIX_RSS_RETA_SZ_256;
131 else
132 val = ROC_NIX_RSS_RETA_SZ_64;
133
134 *(uint16_t *)extra_args = val;
135
136 return 0;
137 }
138
139 static int
parse_pre_l2_hdr_info(const char * key,const char * value,void * extra_args)140 parse_pre_l2_hdr_info(const char *key, const char *value, void *extra_args)
141 {
142 struct flow_pre_l2_size_info *info =
143 (struct flow_pre_l2_size_info *)extra_args;
144 char *tok1 = NULL, *tok2 = NULL;
145 uint16_t off, off_mask, dir;
146
147 RTE_SET_USED(key);
148 off = strtol(value, &tok1, 16);
149 tok1++;
150 off_mask = strtol(tok1, &tok2, 16);
151 tok2++;
152 dir = strtol(tok2, 0, 16);
153 if (off >= 256 || off_mask < 1 || off_mask >= 256 || dir > 1)
154 return -EINVAL;
155 info->pre_l2_size_off = off;
156 info->pre_l2_size_off_mask = off_mask;
157 info->pre_l2_size_shift_dir = dir;
158
159 return 0;
160 }
161
162 static int
parse_flag(const char * key,const char * value,void * extra_args)163 parse_flag(const char *key, const char *value, void *extra_args)
164 {
165 RTE_SET_USED(key);
166
167 *(uint16_t *)extra_args = atoi(value);
168
169 return 0;
170 }
171
172 static int
parse_sqb_count(const char * key,const char * value,void * extra_args)173 parse_sqb_count(const char *key, const char *value, void *extra_args)
174 {
175 RTE_SET_USED(key);
176 uint32_t val;
177
178 val = atoi(value);
179
180 *(uint16_t *)extra_args = val;
181
182 return 0;
183 }
184
185 static int
parse_switch_header_type(const char * key,const char * value,void * extra_args)186 parse_switch_header_type(const char *key, const char *value, void *extra_args)
187 {
188 RTE_SET_USED(key);
189
190 if (strcmp(value, "higig2") == 0)
191 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_HIGIG;
192
193 if (strcmp(value, "dsa") == 0)
194 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_EDSA;
195
196 if (strcmp(value, "chlen90b") == 0)
197 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_LEN_90B;
198
199 if (strcmp(value, "exdsa") == 0)
200 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_EXDSA;
201
202 if (strcmp(value, "vlan_exdsa") == 0)
203 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_VLAN_EXDSA;
204
205 if (strcmp(value, "pre_l2") == 0)
206 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_PRE_L2;
207
208 return 0;
209 }
210
211 static int
parse_sdp_channel_mask(const char * key,const char * value,void * extra_args)212 parse_sdp_channel_mask(const char *key, const char *value, void *extra_args)
213 {
214 RTE_SET_USED(key);
215 uint16_t chan = 0, mask = 0;
216 char *next = 0;
217
218 /* next will point to the separator '/' */
219 chan = strtol(value, &next, 16);
220 mask = strtol(++next, 0, 16);
221
222 if (chan > GENMASK(11, 0) || mask > GENMASK(11, 0))
223 return -EINVAL;
224
225 ((struct sdp_channel *)extra_args)->channel = chan;
226 ((struct sdp_channel *)extra_args)->mask = mask;
227 ((struct sdp_channel *)extra_args)->is_sdp_mask_set = true;
228
229 return 0;
230 }
231
232 #define CNXK_RSS_RETA_SIZE "reta_size"
233 #define CNXK_SCL_ENABLE "scalar_enable"
234 #define CNXK_MAX_SQB_COUNT "max_sqb_count"
235 #define CNXK_FLOW_PREALLOC_SIZE "flow_prealloc_size"
236 #define CNXK_FLOW_MAX_PRIORITY "flow_max_priority"
237 #define CNXK_SWITCH_HEADER_TYPE "switch_header"
238 #define CNXK_RSS_TAG_AS_XOR "tag_as_xor"
239 #define CNXK_LOCK_RX_CTX "lock_rx_ctx"
240 #define CNXK_IPSEC_IN_MIN_SPI "ipsec_in_min_spi"
241 #define CNXK_IPSEC_IN_MAX_SPI "ipsec_in_max_spi"
242 #define CNXK_IPSEC_OUT_MAX_SA "ipsec_out_max_sa"
243 #define CNXK_OUTB_NB_DESC "outb_nb_desc"
244 #define CNXK_NO_INL_DEV "no_inl_dev"
245 #define CNXK_OUTB_NB_CRYPTO_QS "outb_nb_crypto_qs"
246 #define CNXK_SDP_CHANNEL_MASK "sdp_channel_mask"
247 #define CNXK_FLOW_PRE_L2_INFO "flow_pre_l2_info"
248 #define CNXK_CUSTOM_SA_ACT "custom_sa_act"
249
250 int
cnxk_ethdev_parse_devargs(struct rte_devargs * devargs,struct cnxk_eth_dev * dev)251 cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
252 {
253 uint16_t reta_sz = ROC_NIX_RSS_RETA_SZ_64;
254 uint16_t sqb_count = CNXK_NIX_TX_MAX_SQB;
255 struct flow_pre_l2_size_info pre_l2_info;
256 uint32_t ipsec_in_max_spi = BIT(8) - 1;
257 uint32_t ipsec_out_max_sa = BIT(12);
258 uint16_t flow_prealloc_size = 1;
259 uint16_t switch_header_type = 0;
260 uint16_t flow_max_priority = 3;
261 uint16_t outb_nb_crypto_qs = 1;
262 uint32_t ipsec_in_min_spi = 0;
263 uint16_t outb_nb_desc = 8200;
264 struct sdp_channel sdp_chan;
265 uint16_t rss_tag_as_xor = 0;
266 uint16_t scalar_enable = 0;
267 uint16_t custom_sa_act = 0;
268 struct rte_kvargs *kvlist;
269 uint16_t no_inl_dev = 0;
270 uint8_t lock_rx_ctx = 0;
271
272 memset(&sdp_chan, 0, sizeof(sdp_chan));
273 memset(&pre_l2_info, 0, sizeof(struct flow_pre_l2_size_info));
274
275 if (devargs == NULL)
276 goto null_devargs;
277
278 kvlist = rte_kvargs_parse(devargs->args, NULL);
279 if (kvlist == NULL)
280 goto exit;
281
282 rte_kvargs_process(kvlist, CNXK_RSS_RETA_SIZE, &parse_reta_size,
283 &reta_sz);
284 rte_kvargs_process(kvlist, CNXK_SCL_ENABLE, &parse_flag,
285 &scalar_enable);
286 rte_kvargs_process(kvlist, CNXK_MAX_SQB_COUNT, &parse_sqb_count,
287 &sqb_count);
288 rte_kvargs_process(kvlist, CNXK_FLOW_PREALLOC_SIZE,
289 &parse_flow_prealloc_size, &flow_prealloc_size);
290 rte_kvargs_process(kvlist, CNXK_FLOW_MAX_PRIORITY,
291 &parse_flow_max_priority, &flow_max_priority);
292 rte_kvargs_process(kvlist, CNXK_SWITCH_HEADER_TYPE,
293 &parse_switch_header_type, &switch_header_type);
294 rte_kvargs_process(kvlist, CNXK_RSS_TAG_AS_XOR, &parse_flag,
295 &rss_tag_as_xor);
296 rte_kvargs_process(kvlist, CNXK_LOCK_RX_CTX, &parse_flag, &lock_rx_ctx);
297 rte_kvargs_process(kvlist, CNXK_IPSEC_IN_MIN_SPI,
298 &parse_ipsec_in_spi_range, &ipsec_in_min_spi);
299 rte_kvargs_process(kvlist, CNXK_IPSEC_IN_MAX_SPI,
300 &parse_ipsec_in_spi_range, &ipsec_in_max_spi);
301 rte_kvargs_process(kvlist, CNXK_IPSEC_OUT_MAX_SA,
302 &parse_ipsec_out_max_sa, &ipsec_out_max_sa);
303 rte_kvargs_process(kvlist, CNXK_OUTB_NB_DESC, &parse_outb_nb_desc,
304 &outb_nb_desc);
305 rte_kvargs_process(kvlist, CNXK_OUTB_NB_CRYPTO_QS,
306 &parse_outb_nb_crypto_qs, &outb_nb_crypto_qs);
307 rte_kvargs_process(kvlist, CNXK_NO_INL_DEV, &parse_flag, &no_inl_dev);
308 rte_kvargs_process(kvlist, CNXK_SDP_CHANNEL_MASK,
309 &parse_sdp_channel_mask, &sdp_chan);
310 rte_kvargs_process(kvlist, CNXK_FLOW_PRE_L2_INFO,
311 &parse_pre_l2_hdr_info, &pre_l2_info);
312 rte_kvargs_process(kvlist, CNXK_CUSTOM_SA_ACT, &parse_flag,
313 &custom_sa_act);
314 rte_kvargs_free(kvlist);
315
316 null_devargs:
317 dev->scalar_ena = !!scalar_enable;
318 dev->inb.no_inl_dev = !!no_inl_dev;
319 dev->inb.max_spi = ipsec_in_max_spi;
320 dev->outb.max_sa = ipsec_out_max_sa;
321 dev->outb.nb_desc = outb_nb_desc;
322 dev->outb.nb_crypto_qs = outb_nb_crypto_qs;
323 dev->nix.ipsec_in_min_spi = ipsec_in_min_spi;
324 dev->nix.ipsec_in_max_spi = ipsec_in_max_spi;
325 dev->nix.ipsec_out_max_sa = ipsec_out_max_sa;
326 dev->nix.rss_tag_as_xor = !!rss_tag_as_xor;
327 dev->nix.max_sqb_count = sqb_count;
328 dev->nix.reta_sz = reta_sz;
329 dev->nix.lock_rx_ctx = lock_rx_ctx;
330 dev->nix.custom_sa_action = custom_sa_act;
331 dev->npc.flow_prealloc_size = flow_prealloc_size;
332 dev->npc.flow_max_priority = flow_max_priority;
333 dev->npc.switch_header_type = switch_header_type;
334 dev->npc.sdp_channel = sdp_chan.channel;
335 dev->npc.sdp_channel_mask = sdp_chan.mask;
336 dev->npc.is_sdp_mask_set = sdp_chan.is_sdp_mask_set;
337 dev->npc.pre_l2_size_offset = pre_l2_info.pre_l2_size_off;
338 dev->npc.pre_l2_size_offset_mask = pre_l2_info.pre_l2_size_off_mask;
339 dev->npc.pre_l2_size_shift_dir = pre_l2_info.pre_l2_size_shift_dir;
340 return 0;
341 exit:
342 return -EINVAL;
343 }
344
345 RTE_PMD_REGISTER_PARAM_STRING(net_cnxk,
346 CNXK_RSS_RETA_SIZE "=<64|128|256>"
347 CNXK_SCL_ENABLE "=1"
348 CNXK_MAX_SQB_COUNT "=<8-512>"
349 CNXK_FLOW_PREALLOC_SIZE "=<1-32>"
350 CNXK_FLOW_MAX_PRIORITY "=<1-32>"
351 CNXK_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
352 CNXK_RSS_TAG_AS_XOR "=1"
353 CNXK_IPSEC_IN_MAX_SPI "=<1-65535>"
354 CNXK_OUTB_NB_DESC "=<1-65535>"
355 CNXK_FLOW_PRE_L2_INFO "=<0-255>/<1-255>/<0-1>"
356 CNXK_OUTB_NB_CRYPTO_QS "=<1-64>"
357 CNXK_NO_INL_DEV "=0"
358 CNXK_SDP_CHANNEL_MASK "=<1-4095>/<1-4095>"
359 CNXK_CUSTOM_SA_ACT "=1");
360