Commit 791cad02 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Andrii Nakryiko
Browse files

bpf: selftests: Get rid of CHECK macro in xdp_adjust_tail.c 



Rely on ASSERT* macros and get rid of deprecated CHECK ones in
xdp_adjust_tail bpf selftest.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/c0ab002ffa647a20ec9e584214bf0d4373142b54.1642679130.git.lorenzo@kernel.org
parent 4e950747

tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c

+28 −40
Original line number Diff line number Diff line
@@ -11,22 +11,21 @@ static void test_xdp_adjust_tail_shrink(void) 
	char buf[128];



	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);

	if (CHECK_FAIL(err))

	if (ASSERT_OK(err, "test_xdp_adjust_tail_shrink"))

		return;



	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),

				buf, &size, &retval, &duration);



	CHECK(err || retval != XDP_DROP,

	      "ipv4", "err %d errno %d retval %d size %d\n",

	      err, errno, retval, size);

	ASSERT_OK(err, "ipv4");

	ASSERT_EQ(retval, XDP_DROP, "ipv4 retval");



	expect_sz = sizeof(pkt_v6) - 20;  /* Test shrink with 20 bytes */

	err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),

				buf, &size, &retval, &duration);

	CHECK(err || retval != XDP_TX || size != expect_sz,

	      "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",

	      err, errno, retval, size, expect_sz);

	ASSERT_OK(err, "ipv6");

	ASSERT_EQ(retval, XDP_TX, "ipv6 retval");

	ASSERT_EQ(size, expect_sz, "ipv6 size");



	bpf_object__close(obj);

}
@@ -39,21 +38,20 @@ static void test_xdp_adjust_tail_grow(void) 
	int err, prog_fd;



	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);

	if (CHECK_FAIL(err))

	if (ASSERT_OK(err, "test_xdp_adjust_tail_grow"))

		return;



	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),

				buf, &size, &retval, &duration);

	CHECK(err || retval != XDP_DROP,

	      "ipv4", "err %d errno %d retval %d size %d\n",

	      err, errno, retval, size);

	ASSERT_OK(err, "ipv4");

	ASSERT_EQ(retval, XDP_DROP, "ipv4 retval");



	expect_sz = sizeof(pkt_v6) + 40; /* Test grow with 40 bytes */

	err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6) /* 74 */,

				buf, &size, &retval, &duration);

	CHECK(err || retval != XDP_TX || size != expect_sz,

	      "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",

	      err, errno, retval, size, expect_sz);

	ASSERT_OK(err, "ipv6");

	ASSERT_EQ(retval, XDP_TX, "ipv6 retval");

	ASSERT_EQ(size, expect_sz, "ipv6 size");



	bpf_object__close(obj);

}
@@ -76,7 +74,7 @@ static void test_xdp_adjust_tail_grow2(void) 
	};



	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd);

	if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))

	if (ASSERT_OK(err, "test_xdp_adjust_tail_grow"))

		return;



	/* Test case-64 */
@@ -86,21 +84,17 @@ static void test_xdp_adjust_tail_grow2(void) 
	/* Kernel side alloc packet memory area that is zero init */

	err = bpf_prog_test_run_xattr(&tattr);



	CHECK_ATTR(errno != ENOSPC /* Due limit copy_size in bpf_test_finish */

		   || tattr.retval != XDP_TX

		   || tattr.data_size_out != 192, /* Expected grow size */

		   "case-64",

		   "err %d errno %d retval %d size %d\n",

		   err, errno, tattr.retval, tattr.data_size_out);

	ASSERT_EQ(errno, ENOSPC, "case-64 errno"); /* Due limit copy_size in bpf_test_finish */

	ASSERT_EQ(tattr.retval, XDP_TX, "case-64 retval");

	ASSERT_EQ(tattr.data_size_out, 192, "case-64 data_size_out"); /* Expected grow size */



	/* Extra checks for data contents */

	CHECK_ATTR(tattr.data_size_out != 192

		   || buf[0]   != 1 ||  buf[63]  != 1  /*  0-63  memset to 1 */

		   || buf[64]  != 0 ||  buf[127] != 0  /* 64-127 memset to 0 */

		   || buf[128] != 1 ||  buf[191] != 1, /*128-191 memset to 1 */

		   "case-64-data",

		   "err %d errno %d retval %d size %d\n",

		   err, errno, tattr.retval, tattr.data_size_out);

	ASSERT_EQ(buf[0], 1, "case-64-data buf[0]"); /*  0-63  memset to 1 */

	ASSERT_EQ(buf[63], 1, "case-64-data buf[63]");

	ASSERT_EQ(buf[64], 0, "case-64-data buf[64]"); /* 64-127 memset to 0 */

	ASSERT_EQ(buf[127], 0, "case-64-data buf[127]");

	ASSERT_EQ(buf[128], 1, "case-64-data buf[128]"); /* 128-191 memset to 1 */

	ASSERT_EQ(buf[191], 1, "case-64-data buf[191]");



	/* Test case-128 */

	memset(buf, 2, sizeof(buf));
@@ -109,23 +103,17 @@ static void test_xdp_adjust_tail_grow2(void) 
	err = bpf_prog_test_run_xattr(&tattr);



	max_grow = 4096 - XDP_PACKET_HEADROOM -	tailroom; /* 3520 */

	CHECK_ATTR(err

		   || tattr.retval != XDP_TX

		   || tattr.data_size_out != max_grow,/* Expect max grow size */

		   "case-128",

		   "err %d errno %d retval %d size %d expect-size %d\n",

		   err, errno, tattr.retval, tattr.data_size_out, max_grow);

	ASSERT_OK(err, "case-128");

	ASSERT_EQ(tattr.retval, XDP_TX, "case-128 retval");

	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128 data_size_out"); /* Expect max grow */



	/* Extra checks for data content: Count grow size, will contain zeros */

	for (i = 0, cnt = 0; i < sizeof(buf); i++) {

		if (buf[i] == 0)

			cnt++;

	}

	CHECK_ATTR((cnt != (max_grow - tattr.data_size_in)) /* Grow increase */

		   || tattr.data_size_out != max_grow, /* Total grow size */

		   "case-128-data",

		   "err %d errno %d retval %d size %d grow-size %d\n",

		   err, errno, tattr.retval, tattr.data_size_out, cnt);

	ASSERT_EQ(cnt, max_grow - tattr.data_size_in, "case-128-data cnt"); /* Grow increase */

	ASSERT_EQ(tattr.data_size_out, max_grow, "case-128-data data_size_out"); /* Total grow */



	bpf_object__close(obj);

}