xref: /dpdk/app/test/test_cryptodev_security_pdcp.c (revision 97b914f4e715565d53d38ac6e04815b9be5e58a9)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  * Copyright (C) 2015-2016 Freescale Semiconductor,Inc.
4  * Copyright 2018-2019 NXP
5  */
6 
7 #ifndef RTE_EXEC_ENV_WINDOWS
8 
9 #include <time.h>
10 
11 #include <rte_common.h>
12 #include <rte_hexdump.h>
13 #include <rte_mbuf.h>
14 #include <rte_malloc.h>
15 #include <rte_memcpy.h>
16 #include <rte_pause.h>
17 #include <rte_bus_vdev.h>
18 #include <rte_byteorder.h>
19 
20 #include <rte_crypto.h>
21 #include <rte_cryptodev.h>
22 #include <rte_security.h>
23 
24 #include <rte_lcore.h>
25 #include "test.h"
26 #include "test_cryptodev_security_pdcp_test_func.h"
27 
28 static int cplane_encap(uint32_t sn_size, uint8_t dir,
29 			enum enc_alg_off enc_alg_off,
30 			enum auth_alg_off auth_alg_off)
31 {
32 	int i = 0;
33 
34 	switch (sn_size) {
35 	case 5:
36 		i = PDCP_CPLANE_OFFSET + enc_alg_off +
37 			auth_alg_off + ((dir == 0) ?
38 				UPLINK : DOWNLINK);
39 		break;
40 	case 12:
41 		i = PDCP_CPLANE_LONG_SN_OFFSET + enc_alg_off +
42 			auth_alg_off + ((dir == 0) ?
43 				UPLINK : DOWNLINK);
44 		break;
45 	default:
46 		printf("\nInvalid SN: %u for %s\n", sn_size, __func__);
47 	}
48 
49 	return test_pdcp_proto_cplane_encap(i);
50 }
51 
52 static int
53 cplane_decap(uint32_t sn_size, uint8_t dir,
54 	     enum enc_alg_off enc_alg_off,
55 	     enum auth_alg_off auth_alg_off)
56 {
57 	int i = 0;
58 
59 	switch (sn_size) {
60 	case 5:
61 		i = PDCP_CPLANE_OFFSET + enc_alg_off +
62 			auth_alg_off + ((dir == 0) ?
63 				UPLINK : DOWNLINK);
64 		break;
65 	case 12:
66 		i = PDCP_CPLANE_LONG_SN_OFFSET + enc_alg_off +
67 			auth_alg_off + ((dir == 0) ?
68 				UPLINK : DOWNLINK);
69 		break;
70 	default:
71 		printf("\nInvalid SN: %u for %s\n", sn_size, __func__);
72 	}
73 
74 	return test_pdcp_proto_cplane_decap(i);
75 }
76 
77 static int uplane_encap_no_integrity(uint32_t sn_size, uint8_t dir,
78 		enum enc_alg_off enc_alg_off)
79 {
80 	int i = PDCP_UPLANE_OFFSET + ((dir == 0) ? UPLINK : DOWNLINK) +
81 			enc_alg_off;
82 
83 	switch (sn_size) {
84 	case 7:
85 		i += SHORT_SEQ_NUM_OFFSET;
86 		break;
87 	case 15:
88 		i += FIFTEEN_BIT_SEQ_NUM_OFFSET;
89 		break;
90 	case 12:
91 		i += LONG_SEQ_NUM_OFFSET;
92 		break;
93 	case 18:
94 		i += EIGHTEEN_BIT_SEQ_NUM_OFFSET;
95 		break;
96 	default:
97 		printf("\nInvalid SN: %u\n", sn_size);
98 	}
99 
100 	return test_pdcp_proto_uplane_encap(i);
101 }
102 
103 static int
104 uplane_decap_no_integrity(uint32_t sn_size, uint8_t dir,
105 		enum enc_alg_off enc_alg_off)
106 {
107 	int i = PDCP_UPLANE_OFFSET + ((dir == 0) ? UPLINK : DOWNLINK) +
108 			enc_alg_off;
109 
110 	switch (sn_size) {
111 	case 7:
112 		i += SHORT_SEQ_NUM_OFFSET;
113 		break;
114 	case 15:
115 		i += FIFTEEN_BIT_SEQ_NUM_OFFSET;
116 		break;
117 	case 12:
118 		i += LONG_SEQ_NUM_OFFSET;
119 		break;
120 	case 18:
121 		i += EIGHTEEN_BIT_SEQ_NUM_OFFSET;
122 		break;
123 	default:
124 		printf("\nInvalid SN: %u\n", sn_size);
125 	}
126 
127 	return test_pdcp_proto_uplane_decap(i);
128 }
129 
130 static int
131 uplane_encap_with_integrity(uint32_t sn_size, uint8_t dir,
132 		enum enc_alg_off enc_alg_off,
133 		enum auth_alg_off auth_alg_off)
134 {
135 	int i = 0;
136 
137 	switch (sn_size) {
138 	case 12:
139 		i = PDCP_UPLANE_12BIT_OFFSET + enc_alg_off +
140 			auth_alg_off + ((dir == 0) ?
141 				UPLINK : DOWNLINK);
142 		break;
143 	case 18:
144 		i = PDCP_UPLANE_18BIT_OFFSET + enc_alg_off +
145 			auth_alg_off + ((dir == 0) ?
146 				UPLINK : DOWNLINK);
147 		break;
148 	default:
149 		printf("\nInvalid SN: %u\n", sn_size);
150 	}
151 
152 	return test_pdcp_proto_uplane_encap_with_int(i);
153 }
154 
155 static int
156 uplane_decap_with_integrity(uint32_t sn_size, uint8_t dir,
157 		enum enc_alg_off enc_alg_off,
158 		enum auth_alg_off auth_alg_off)
159 {
160 	int i = 0;
161 
162 	switch (sn_size) {
163 	case 12:
164 		i = PDCP_UPLANE_12BIT_OFFSET + enc_alg_off +
165 			auth_alg_off + ((dir == 0) ?
166 				UPLINK : DOWNLINK);
167 		break;
168 	case 18:
169 		i = PDCP_UPLANE_18BIT_OFFSET + enc_alg_off +
170 			auth_alg_off + ((dir == 0) ?
171 				UPLINK : DOWNLINK);
172 		break;
173 	default:
174 		printf("\nInvalid SN: %u\n", sn_size);
175 	}
176 
177 	return test_pdcp_proto_uplane_decap_with_int(i);
178 }
179 
180 #define TEST_PDCP_COUNT(func) do {			\
181 	if (func == TEST_SUCCESS)  {			\
182 		printf("\t%d)", n++);			\
183 		printf(#func"-PASS\n");			\
184 		i++;					\
185 	} else {					\
186 		printf("\t%d)", n++);			\
187 		printf("+++++ FAILED:" #func"\n");	\
188 	}						\
189 } while (0)
190 
191 int
192 test_PDCP_PROTO_cplane_encap_all(void)
193 {
194 	int i = 0, n = 0;
195 
196 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, NULL_ENC, NULL_AUTH));
197 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, NULL_ENC, NULL_AUTH));
198 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, NULL_ENC, SNOW_AUTH));
199 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, NULL_ENC, SNOW_AUTH));
200 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, NULL_ENC, AES_AUTH));
201 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, NULL_ENC, AES_AUTH));
202 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, NULL_ENC, ZUC_AUTH));
203 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, NULL_ENC, ZUC_AUTH));
204 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, SNOW_ENC, NULL_AUTH));
205 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, SNOW_ENC, NULL_AUTH));
206 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, SNOW_ENC, SNOW_AUTH));
207 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, SNOW_ENC, SNOW_AUTH));
208 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, SNOW_ENC, AES_AUTH));
209 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, SNOW_ENC, AES_AUTH));
210 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, SNOW_ENC, ZUC_AUTH));
211 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, SNOW_ENC, ZUC_AUTH));
212 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, AES_ENC, NULL_AUTH));
213 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, AES_ENC, NULL_AUTH));
214 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, AES_ENC, SNOW_AUTH));
215 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, AES_ENC, SNOW_AUTH));
216 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, AES_ENC, AES_AUTH));
217 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, AES_ENC, AES_AUTH));
218 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, AES_ENC, ZUC_AUTH));
219 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, AES_ENC, ZUC_AUTH));
220 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, ZUC_ENC, NULL_AUTH));
221 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, ZUC_ENC, NULL_AUTH));
222 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, ZUC_ENC, SNOW_AUTH));
223 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, ZUC_ENC, SNOW_AUTH));
224 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, ZUC_ENC, AES_AUTH));
225 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, ZUC_ENC, AES_AUTH));
226 	TEST_PDCP_COUNT(cplane_encap(5, UPLINK, ZUC_ENC, ZUC_AUTH));
227 	TEST_PDCP_COUNT(cplane_encap(5, DOWNLINK, ZUC_ENC, ZUC_AUTH));
228 
229 	/* For 12-bit SN */
230 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, NULL_ENC, NULL_AUTH));
231 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, NULL_ENC, NULL_AUTH));
232 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, NULL_ENC, SNOW_AUTH));
233 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, NULL_ENC, SNOW_AUTH));
234 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, NULL_ENC, AES_AUTH));
235 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, NULL_ENC, AES_AUTH));
236 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, NULL_ENC, ZUC_AUTH));
237 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, NULL_ENC, ZUC_AUTH));
238 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, SNOW_ENC, NULL_AUTH));
239 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, SNOW_ENC, NULL_AUTH));
240 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, SNOW_ENC, SNOW_AUTH));
241 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, SNOW_ENC, SNOW_AUTH));
242 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, SNOW_ENC, AES_AUTH));
243 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, SNOW_ENC, AES_AUTH));
244 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, SNOW_ENC, ZUC_AUTH));
245 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, SNOW_ENC, ZUC_AUTH));
246 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, AES_ENC, NULL_AUTH));
247 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, AES_ENC, NULL_AUTH));
248 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, AES_ENC, SNOW_AUTH));
249 
250 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, AES_ENC, SNOW_AUTH));
251 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, AES_ENC, AES_AUTH));
252 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, AES_ENC, AES_AUTH));
253 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, AES_ENC, ZUC_AUTH));
254 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, AES_ENC, ZUC_AUTH));
255 
256 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, ZUC_ENC, NULL_AUTH));
257 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, ZUC_ENC, NULL_AUTH));
258 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, ZUC_ENC, SNOW_AUTH));
259 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, ZUC_ENC, SNOW_AUTH));
260 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, ZUC_ENC, AES_AUTH));
261 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, ZUC_ENC, AES_AUTH));
262 	TEST_PDCP_COUNT(cplane_encap(12, UPLINK, ZUC_ENC, ZUC_AUTH));
263 	TEST_PDCP_COUNT(cplane_encap(12, DOWNLINK, ZUC_ENC, ZUC_AUTH));
264 
265 	if (n - i)
266 		printf("## %s: %d passed out of %d\n", __func__, i, n);
267 
268 	return n - i;
269 };
270 
271 int
272 test_PDCP_PROTO_cplane_decap_all(void)
273 {
274 	int i = 0, n = 0;
275 
276 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, NULL_ENC, NULL_AUTH));
277 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, NULL_ENC, NULL_AUTH));
278 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, NULL_ENC, SNOW_AUTH));
279 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, NULL_ENC, SNOW_AUTH));
280 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, NULL_ENC, AES_AUTH));
281 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, NULL_ENC, AES_AUTH));
282 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, NULL_ENC, ZUC_AUTH));
283 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, NULL_ENC, ZUC_AUTH));
284 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, SNOW_ENC, NULL_AUTH));
285 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, SNOW_ENC, NULL_AUTH));
286 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, SNOW_ENC, SNOW_AUTH));
287 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, SNOW_ENC, SNOW_AUTH));
288 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, SNOW_ENC, AES_AUTH));
289 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, SNOW_ENC, AES_AUTH));
290 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, SNOW_ENC, ZUC_AUTH));
291 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, SNOW_ENC, ZUC_AUTH));
292 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, AES_ENC, NULL_AUTH));
293 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, AES_ENC, NULL_AUTH));
294 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, AES_ENC, SNOW_AUTH));
295 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, AES_ENC, SNOW_AUTH));
296 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, AES_ENC, AES_AUTH));
297 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, AES_ENC, AES_AUTH));
298 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, AES_ENC, ZUC_AUTH));
299 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, AES_ENC, ZUC_AUTH));
300 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, ZUC_ENC, NULL_AUTH));
301 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, ZUC_ENC, NULL_AUTH));
302 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, ZUC_ENC, SNOW_AUTH));
303 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, ZUC_ENC, SNOW_AUTH));
304 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, ZUC_ENC, AES_AUTH));
305 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, ZUC_ENC, AES_AUTH));
306 	TEST_PDCP_COUNT(cplane_decap(5, UPLINK, ZUC_ENC, ZUC_AUTH));
307 	TEST_PDCP_COUNT(cplane_decap(5, DOWNLINK, ZUC_ENC, ZUC_AUTH));
308 
309 	/* C-plane 12-bit */
310 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, NULL_ENC, NULL_AUTH));
311 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, NULL_ENC, NULL_AUTH));
312 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, NULL_ENC, SNOW_AUTH));
313 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, NULL_ENC, SNOW_AUTH));
314 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, NULL_ENC, AES_AUTH));
315 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, NULL_ENC, AES_AUTH));
316 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, NULL_ENC, ZUC_AUTH));
317 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, NULL_ENC, ZUC_AUTH));
318 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, SNOW_ENC, NULL_AUTH));
319 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, SNOW_ENC, NULL_AUTH));
320 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, SNOW_ENC, SNOW_AUTH));
321 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, SNOW_ENC, SNOW_AUTH));
322 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, SNOW_ENC, AES_AUTH));
323 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, SNOW_ENC, AES_AUTH));
324 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, SNOW_ENC, ZUC_AUTH));
325 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, SNOW_ENC, ZUC_AUTH));
326 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, AES_ENC, NULL_AUTH));
327 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, AES_ENC, NULL_AUTH));
328 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, AES_ENC, SNOW_AUTH));
329 
330 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, AES_ENC, SNOW_AUTH));
331 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, AES_ENC, AES_AUTH));
332 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, AES_ENC, AES_AUTH));
333 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, AES_ENC, ZUC_AUTH));
334 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, AES_ENC, ZUC_AUTH));
335 
336 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, ZUC_ENC, NULL_AUTH));
337 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, ZUC_ENC, NULL_AUTH));
338 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, ZUC_ENC, SNOW_AUTH));
339 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, ZUC_ENC, SNOW_AUTH));
340 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, ZUC_ENC, AES_AUTH));
341 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, ZUC_ENC, AES_AUTH));
342 	TEST_PDCP_COUNT(cplane_decap(12, UPLINK, ZUC_ENC, ZUC_AUTH));
343 	TEST_PDCP_COUNT(cplane_decap(12, DOWNLINK, ZUC_ENC, ZUC_AUTH));
344 
345 	if (n - i)
346 		printf("## %s: %d passed out of %d\n", __func__, i, n);
347 
348 	return n - i;
349 };
350 
351 int
352 test_PDCP_PROTO_uplane_encap_all(void)
353 {
354 	int i = 0, n = 0;
355 
356 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, UPLINK, NULL_ENC));
357 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, DOWNLINK, NULL_ENC));
358 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, UPLINK, NULL_ENC));
359 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, DOWNLINK, NULL_ENC));
360 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, UPLINK, NULL_ENC));
361 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, DOWNLINK, NULL_ENC));
362 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, UPLINK, NULL_ENC));
363 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, DOWNLINK, NULL_ENC));
364 
365 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, UPLINK, SNOW_ENC));
366 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, DOWNLINK, SNOW_ENC));
367 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, UPLINK, SNOW_ENC));
368 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, DOWNLINK, SNOW_ENC));
369 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, UPLINK, SNOW_ENC));
370 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, DOWNLINK, SNOW_ENC));
371 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, UPLINK, SNOW_ENC));
372 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, DOWNLINK, SNOW_ENC));
373 
374 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, UPLINK, AES_ENC));
375 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, DOWNLINK, AES_ENC));
376 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, UPLINK, AES_ENC));
377 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, DOWNLINK, AES_ENC));
378 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, UPLINK, AES_ENC));
379 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, DOWNLINK, AES_ENC));
380 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, UPLINK, AES_ENC));
381 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, DOWNLINK, AES_ENC));
382 
383 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, UPLINK, ZUC_ENC));
384 	TEST_PDCP_COUNT(uplane_encap_no_integrity(12, DOWNLINK, ZUC_ENC));
385 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, UPLINK, ZUC_ENC));
386 	TEST_PDCP_COUNT(uplane_encap_no_integrity(7, DOWNLINK, ZUC_ENC));
387 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, UPLINK, ZUC_ENC));
388 	TEST_PDCP_COUNT(uplane_encap_no_integrity(15, DOWNLINK, ZUC_ENC));
389 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, UPLINK, ZUC_ENC));
390 	TEST_PDCP_COUNT(uplane_encap_no_integrity(18, DOWNLINK, ZUC_ENC));
391 
392 	/* For 12-bit SN with integrity */
393 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, NULL_ENC, NULL_AUTH));
394 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, NULL_ENC, NULL_AUTH));
395 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, NULL_ENC, SNOW_AUTH));
396 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, NULL_ENC, SNOW_AUTH));
397 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, NULL_ENC, AES_AUTH));
398 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, NULL_ENC, AES_AUTH));
399 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, NULL_ENC, ZUC_AUTH));
400 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, NULL_ENC, ZUC_AUTH));
401 
402 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, SNOW_ENC, NULL_AUTH));
403 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, SNOW_ENC, NULL_AUTH));
404 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, SNOW_ENC, SNOW_AUTH));
405 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, SNOW_ENC, SNOW_AUTH));
406 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, SNOW_ENC, AES_AUTH));
407 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, SNOW_ENC, AES_AUTH));
408 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, SNOW_ENC, ZUC_AUTH));
409 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, SNOW_ENC, ZUC_AUTH));
410 
411 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, AES_ENC, NULL_AUTH));
412 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, AES_ENC, NULL_AUTH));
413 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, AES_ENC, SNOW_AUTH));
414 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, AES_ENC, SNOW_AUTH));
415 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, AES_ENC, AES_AUTH));
416 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, AES_ENC, AES_AUTH));
417 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, AES_ENC, ZUC_AUTH));
418 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, AES_ENC, ZUC_AUTH));
419 
420 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, ZUC_ENC, NULL_AUTH));
421 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, ZUC_ENC, NULL_AUTH));
422 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, ZUC_ENC, SNOW_AUTH));
423 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, ZUC_ENC, SNOW_AUTH));
424 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, ZUC_ENC, AES_AUTH));
425 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, ZUC_ENC, AES_AUTH));
426 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, UPLINK, ZUC_ENC, ZUC_AUTH));
427 	TEST_PDCP_COUNT(uplane_encap_with_integrity(12, DOWNLINK, ZUC_ENC, ZUC_AUTH));
428 
429 	/* For 18-bit SN with integrity */
430 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, NULL_ENC, NULL_AUTH));
431 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, NULL_ENC, NULL_AUTH));
432 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, NULL_ENC, SNOW_AUTH));
433 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, NULL_ENC, SNOW_AUTH));
434 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, NULL_ENC, AES_AUTH));
435 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, NULL_ENC, AES_AUTH));
436 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, NULL_ENC, ZUC_AUTH));
437 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, NULL_ENC, ZUC_AUTH));
438 
439 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, SNOW_ENC, NULL_AUTH));
440 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, SNOW_ENC, NULL_AUTH));
441 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, SNOW_ENC, SNOW_AUTH));
442 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, SNOW_ENC, SNOW_AUTH));
443 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, SNOW_ENC, AES_AUTH));
444 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, SNOW_ENC, AES_AUTH));
445 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, SNOW_ENC, ZUC_AUTH));
446 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, SNOW_ENC, ZUC_AUTH));
447 
448 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, AES_ENC, NULL_AUTH));
449 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, AES_ENC, NULL_AUTH));
450 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, AES_ENC, SNOW_AUTH));
451 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, AES_ENC, SNOW_AUTH));
452 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, AES_ENC, AES_AUTH));
453 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, AES_ENC, AES_AUTH));
454 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, AES_ENC, ZUC_AUTH));
455 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, AES_ENC, ZUC_AUTH));
456 
457 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, ZUC_ENC, NULL_AUTH));
458 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, ZUC_ENC, NULL_AUTH));
459 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, ZUC_ENC, SNOW_AUTH));
460 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, ZUC_ENC, SNOW_AUTH));
461 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, ZUC_ENC, AES_AUTH));
462 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, ZUC_ENC, AES_AUTH));
463 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, UPLINK, ZUC_ENC, ZUC_AUTH));
464 	TEST_PDCP_COUNT(uplane_encap_with_integrity(18, DOWNLINK, ZUC_ENC, ZUC_AUTH));
465 
466 	if (n - i)
467 		printf("## %s: %d passed out of %d\n", __func__, i, n);
468 
469 	return n - i;
470 };
471 
472 int
473 test_PDCP_PROTO_uplane_decap_all(void)
474 {
475 	int i = 0, n = 0;
476 
477 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, UPLINK, NULL_ENC));
478 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, DOWNLINK, NULL_ENC));
479 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, UPLINK, NULL_ENC));
480 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, DOWNLINK, NULL_ENC));
481 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, UPLINK, NULL_ENC));
482 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, DOWNLINK, NULL_ENC));
483 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, UPLINK, NULL_ENC));
484 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, DOWNLINK, NULL_ENC));
485 
486 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, UPLINK, SNOW_ENC));
487 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, DOWNLINK, SNOW_ENC));
488 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, UPLINK, SNOW_ENC));
489 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, DOWNLINK, SNOW_ENC));
490 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, UPLINK, SNOW_ENC));
491 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, DOWNLINK, SNOW_ENC));
492 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, UPLINK, SNOW_ENC));
493 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, DOWNLINK, SNOW_ENC));
494 
495 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, UPLINK, AES_ENC));
496 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, DOWNLINK, AES_ENC));
497 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, UPLINK, AES_ENC));
498 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, DOWNLINK, AES_ENC));
499 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, UPLINK, AES_ENC));
500 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, DOWNLINK, AES_ENC));
501 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, UPLINK, AES_ENC));
502 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, DOWNLINK, AES_ENC));
503 
504 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, UPLINK, ZUC_ENC));
505 	TEST_PDCP_COUNT(uplane_decap_no_integrity(12, DOWNLINK, ZUC_ENC));
506 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, UPLINK, ZUC_ENC));
507 	TEST_PDCP_COUNT(uplane_decap_no_integrity(7, DOWNLINK, ZUC_ENC));
508 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, UPLINK, ZUC_ENC));
509 	TEST_PDCP_COUNT(uplane_decap_no_integrity(15, DOWNLINK, ZUC_ENC));
510 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, UPLINK, ZUC_ENC));
511 	TEST_PDCP_COUNT(uplane_decap_no_integrity(18, DOWNLINK, ZUC_ENC));
512 
513 	/* u-plane 12-bit with integrity */
514 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, NULL_ENC, NULL_AUTH));
515 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, NULL_ENC, NULL_AUTH));
516 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, NULL_ENC, SNOW_AUTH));
517 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, NULL_ENC, SNOW_AUTH));
518 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, NULL_ENC, AES_AUTH));
519 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, NULL_ENC, AES_AUTH));
520 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, NULL_ENC, ZUC_AUTH));
521 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, NULL_ENC, ZUC_AUTH));
522 
523 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, SNOW_ENC, NULL_AUTH));
524 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, SNOW_ENC, NULL_AUTH));
525 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, SNOW_ENC, SNOW_AUTH));
526 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, SNOW_ENC, SNOW_AUTH));
527 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, SNOW_ENC, AES_AUTH));
528 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, SNOW_ENC, AES_AUTH));
529 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, SNOW_ENC, ZUC_AUTH));
530 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, SNOW_ENC, ZUC_AUTH));
531 
532 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, AES_ENC, NULL_AUTH));
533 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, AES_ENC, NULL_AUTH));
534 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, AES_ENC, SNOW_AUTH));
535 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, AES_ENC, SNOW_AUTH));
536 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, AES_ENC, AES_AUTH));
537 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, AES_ENC, AES_AUTH));
538 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, AES_ENC, ZUC_AUTH));
539 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, AES_ENC, ZUC_AUTH));
540 
541 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, ZUC_ENC, NULL_AUTH));
542 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, ZUC_ENC, NULL_AUTH));
543 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, ZUC_ENC, SNOW_AUTH));
544 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, ZUC_ENC, SNOW_AUTH));
545 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, ZUC_ENC, AES_AUTH));
546 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, ZUC_ENC, AES_AUTH));
547 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, UPLINK, ZUC_ENC, ZUC_AUTH));
548 	TEST_PDCP_COUNT(uplane_decap_with_integrity(12, DOWNLINK, ZUC_ENC, ZUC_AUTH));
549 
550 	/* u-plane 18-bit with integrity */
551 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, NULL_ENC, NULL_AUTH));
552 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, NULL_ENC, NULL_AUTH));
553 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, NULL_ENC, SNOW_AUTH));
554 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, NULL_ENC, SNOW_AUTH));
555 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, NULL_ENC, AES_AUTH));
556 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, NULL_ENC, AES_AUTH));
557 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, NULL_ENC, ZUC_AUTH));
558 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, NULL_ENC, ZUC_AUTH));
559 
560 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, SNOW_ENC, NULL_AUTH));
561 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, SNOW_ENC, NULL_AUTH));
562 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, SNOW_ENC, SNOW_AUTH));
563 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, SNOW_ENC, SNOW_AUTH));
564 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, SNOW_ENC, AES_AUTH));
565 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, SNOW_ENC, AES_AUTH));
566 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, SNOW_ENC, ZUC_AUTH));
567 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, SNOW_ENC, ZUC_AUTH));
568 
569 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, AES_ENC, NULL_AUTH));
570 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, AES_ENC, NULL_AUTH));
571 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, AES_ENC, SNOW_AUTH));
572 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, AES_ENC, SNOW_AUTH));
573 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, AES_ENC, AES_AUTH));
574 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, AES_ENC, AES_AUTH));
575 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, AES_ENC, ZUC_AUTH));
576 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, AES_ENC, ZUC_AUTH));
577 
578 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, ZUC_ENC, NULL_AUTH));
579 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, ZUC_ENC, NULL_AUTH));
580 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, ZUC_ENC, SNOW_AUTH));
581 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, ZUC_ENC, SNOW_AUTH));
582 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, ZUC_ENC, AES_AUTH));
583 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, ZUC_ENC, AES_AUTH));
584 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, UPLINK, ZUC_ENC, ZUC_AUTH));
585 	TEST_PDCP_COUNT(uplane_decap_with_integrity(18, DOWNLINK, ZUC_ENC, ZUC_AUTH));
586 
587 	if (n - i)
588 		printf("## %s: %d passed out of %d\n", __func__, i, n);
589 
590 	return n - i;
591 };
592 
593 #endif /* !RTE_EXEC_ENV_WINDOWS */
594