bpf/prog_tests/xdp_adjust_tail.c

11 	char buf[128];
15 		.data_out = buf,
16 		.data_size_out = sizeof(buf),
31 	topts.data_size_out = sizeof(buf);
44 	char buf[4096]; /* avoid segfault: large buf to hold grow results */
50 		.data_out = buf,
51 		.data_size_out = sizeof(buf),
66 	topts.data_size_out = sizeof(buf);
78 	char buf[4096]; /* avoid segfault: large buf to hold grow results */
91 		.data_in	= &buf,
92 		.data_out	= &buf,
102 	memset(buf, 1, sizeof(buf));
113 	ASSERT_EQ(buf[0], 1, "case-64-data buf[0]"); /*  0-63  memset to 1 */
114 	ASSERT_EQ(buf[63], 1, "case-64-data buf[63]");
115 	ASSERT_EQ(buf[64], 0, "case-64-data buf[64]"); /* 64-127 memset to 0 */
116 	ASSERT_EQ(buf[127], 0, "case-64-data buf[127]");
117 	ASSERT_EQ(buf[128], 1, "case-64-data buf[128]"); /* 128-191 memset to 1 */
118 	ASSERT_EQ(buf[191], 1, "case-64-data buf[191]");
121 	memset(buf, 2, sizeof(buf));
123 	tattr.data_size_out = sizeof(buf);   /* Copy everything */
132 	for (i = 0, cnt = 0; i < sizeof(buf); i++) {
133 		if (buf[i] == 0)
149 	__u8 *buf;
165 	buf = malloc(9000);
166 	if (!ASSERT_OK_PTR(buf, "alloc buf 9Kb"))
169 	memset(buf, 0, 9000);
173 	topts.data_in = buf;
174 	topts.data_out = buf;
184 	buf[0] = 1;
195 	buf[0] = 2;
204 	free(buf);
216 	__u8 *buf;
229 	buf = malloc(16384);
230 	if (!ASSERT_OK_PTR(buf, "alloc buf 16Kb"))
234 	memset(buf, 1, 16384);
237 	topts.data_in = buf;
238 	topts.data_out = buf;
248 		ASSERT_EQ(buf[i], 1, "9Kb+10b-old");
251 		ASSERT_EQ(buf[i], 0, "9Kb+10b-new");
254 		ASSERT_EQ(buf[i], 1, "9Kb+10b-untouched");
257 	memset(buf, 1, 16384);
260 	topts.data_in = topts.data_out = buf;
269 	free(buf);