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Commit eaf90740 authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Alexei Starovoitov
Browse files

selftests: bpf: break up test_progs - xdp 



Move xdp prog tests into separate files.

Signed-off-by: default avatarStanislav Fomichev <sdf@google.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 7395724b

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

0 → 100644
+46 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <test_progs.h>



void test_xdp(void)

{

	struct vip key4 = {.protocol = 6, .family = AF_INET};

	struct vip key6 = {.protocol = 6, .family = AF_INET6};

	struct iptnl_info value4 = {.family = AF_INET};

	struct iptnl_info value6 = {.family = AF_INET6};

	const char *file = "./test_xdp.o";

	struct bpf_object *obj;

	char buf[128];

	struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);

	struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);

	__u32 duration, retval, size;

	int err, prog_fd, map_fd;



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

	if (err) {

		error_cnt++;

		return;

	}



	map_fd = bpf_find_map(__func__, obj, "vip2tnl");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &key4, &value4, 0);

	bpf_map_update_elem(map_fd, &key6, &value6, 0);



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

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



	CHECK(err || retval != XDP_TX || size != 74 ||

	      iph->protocol != IPPROTO_IPIP, "ipv4",

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

	      err, errno, retval, size);



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

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

	CHECK(err || retval != XDP_TX || size != 114 ||

	      iph6->nexthdr != IPPROTO_IPV6, "ipv6",

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

	      err, errno, retval, size);

out:

	bpf_object__close(obj);

}

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

0 → 100644
+31 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <test_progs.h>



void test_xdp_adjust_tail(void)

{

	const char *file = "./test_adjust_tail.o";

	struct bpf_object *obj;

	char buf[128];

	__u32 duration, retval, size;

	int err, prog_fd;



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

	if (err) {

		error_cnt++;

		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);



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

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

	CHECK(err || retval != XDP_TX || size != 54,

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

	      err, errno, retval, size);

	bpf_object__close(obj);

}

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

0 → 100644
+82 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <test_progs.h>



void test_xdp_noinline(void)

{

	const char *file = "./test_xdp_noinline.o";

	unsigned int nr_cpus = bpf_num_possible_cpus();

	struct vip key = {.protocol = 6};

	struct vip_meta {

		__u32 flags;

		__u32 vip_num;

	} value = {.vip_num = VIP_NUM};

	__u32 stats_key = VIP_NUM;

	struct vip_stats {

		__u64 bytes;

		__u64 pkts;

	} stats[nr_cpus];

	struct real_definition {

		union {

			__be32 dst;

			__be32 dstv6[4];

		};

		__u8 flags;

	} real_def = {.dst = MAGIC_VAL};

	__u32 ch_key = 11, real_num = 3;

	__u32 duration, retval, size;

	int err, i, prog_fd, map_fd;

	__u64 bytes = 0, pkts = 0;

	struct bpf_object *obj;

	char buf[128];

	u32 *magic = (u32 *)buf;



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

	if (err) {

		error_cnt++;

		return;

	}



	map_fd = bpf_find_map(__func__, obj, "vip_map");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &key, &value, 0);



	map_fd = bpf_find_map(__func__, obj, "ch_rings");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);



	map_fd = bpf_find_map(__func__, obj, "reals");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &real_num, &real_def, 0);



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

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

	CHECK(err || retval != 1 || size != 54 ||

	      *magic != MAGIC_VAL, "ipv4",

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

	      err, errno, retval, size, *magic);



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

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

	CHECK(err || retval != 1 || size != 74 ||

	      *magic != MAGIC_VAL, "ipv6",

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

	      err, errno, retval, size, *magic);



	map_fd = bpf_find_map(__func__, obj, "stats");

	if (map_fd < 0)

		goto out;

	bpf_map_lookup_elem(map_fd, &stats_key, stats);

	for (i = 0; i < nr_cpus; i++) {

		bytes += stats[i].bytes;

		pkts += stats[i].pkts;

	}

	if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {

		error_cnt++;

		printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts);

	}

out:

	bpf_object__close(obj);

}

tools/testing/selftests/bpf/test_progs.c

+0 −162
Original line number Diff line number Diff line
@@ -87,85 +87,6 @@ static void test_prog_run_xattr(void) 
	bpf_object__close(obj);

}



static void test_xdp(void)

{

	struct vip key4 = {.protocol = 6, .family = AF_INET};

	struct vip key6 = {.protocol = 6, .family = AF_INET6};

	struct iptnl_info value4 = {.family = AF_INET};

	struct iptnl_info value6 = {.family = AF_INET6};

	const char *file = "./test_xdp.o";

	struct bpf_object *obj;

	char buf[128];

	struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr);

	struct iphdr *iph = (void *)buf + sizeof(struct ethhdr);

	__u32 duration, retval, size;

	int err, prog_fd, map_fd;



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

	if (err) {

		error_cnt++;

		return;

	}



	map_fd = bpf_find_map(__func__, obj, "vip2tnl");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &key4, &value4, 0);

	bpf_map_update_elem(map_fd, &key6, &value6, 0);



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

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



	CHECK(err || retval != XDP_TX || size != 74 ||

	      iph->protocol != IPPROTO_IPIP, "ipv4",

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

	      err, errno, retval, size);



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

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

	CHECK(err || retval != XDP_TX || size != 114 ||

	      iph6->nexthdr != IPPROTO_IPV6, "ipv6",

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

	      err, errno, retval, size);

out:

	bpf_object__close(obj);

}



static void test_xdp_adjust_tail(void)

{

	const char *file = "./test_adjust_tail.o";

	struct bpf_object *obj;

	char buf[128];

	__u32 duration, retval, size;

	int err, prog_fd;



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

	if (err) {

		error_cnt++;

		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);



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

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

	CHECK(err || retval != XDP_TX || size != 54,

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

	      err, errno, retval, size);

	bpf_object__close(obj);

}







#define MAGIC_VAL 0x1234

#define NUM_ITER 100000

#define VIP_NUM 5



static void test_l4lb(const char *file)

{

	unsigned int nr_cpus = bpf_num_possible_cpus();
@@ -254,86 +175,6 @@ static void test_l4lb_all(void) 
	test_l4lb(file2);

}



static void test_xdp_noinline(void)

{

	const char *file = "./test_xdp_noinline.o";

	unsigned int nr_cpus = bpf_num_possible_cpus();

	struct vip key = {.protocol = 6};

	struct vip_meta {

		__u32 flags;

		__u32 vip_num;

	} value = {.vip_num = VIP_NUM};

	__u32 stats_key = VIP_NUM;

	struct vip_stats {

		__u64 bytes;

		__u64 pkts;

	} stats[nr_cpus];

	struct real_definition {

		union {

			__be32 dst;

			__be32 dstv6[4];

		};

		__u8 flags;

	} real_def = {.dst = MAGIC_VAL};

	__u32 ch_key = 11, real_num = 3;

	__u32 duration, retval, size;

	int err, i, prog_fd, map_fd;

	__u64 bytes = 0, pkts = 0;

	struct bpf_object *obj;

	char buf[128];

	u32 *magic = (u32 *)buf;



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

	if (err) {

		error_cnt++;

		return;

	}



	map_fd = bpf_find_map(__func__, obj, "vip_map");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &key, &value, 0);



	map_fd = bpf_find_map(__func__, obj, "ch_rings");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &ch_key, &real_num, 0);



	map_fd = bpf_find_map(__func__, obj, "reals");

	if (map_fd < 0)

		goto out;

	bpf_map_update_elem(map_fd, &real_num, &real_def, 0);



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

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

	CHECK(err || retval != 1 || size != 54 ||

	      *magic != MAGIC_VAL, "ipv4",

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

	      err, errno, retval, size, *magic);



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

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

	CHECK(err || retval != 1 || size != 74 ||

	      *magic != MAGIC_VAL, "ipv6",

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

	      err, errno, retval, size, *magic);



	map_fd = bpf_find_map(__func__, obj, "stats");

	if (map_fd < 0)

		goto out;

	bpf_map_lookup_elem(map_fd, &stats_key, stats);

	for (i = 0; i < nr_cpus; i++) {

		bytes += stats[i].bytes;

		pkts += stats[i].pkts;

	}

	if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) {

		error_cnt++;

		printf("test_xdp_noinline:FAIL:stats %lld %lld\n", bytes, pkts);

	}

out:

	bpf_object__close(obj);

}



static void test_tcp_estats(void)

{

	const char *file = "./test_tcp_estats.o";
@@ -2047,10 +1888,7 @@ int main(void) 
#include <prog_tests/tests.h>

#undef CALL

	test_prog_run_xattr();

	test_xdp();

	test_xdp_adjust_tail();

	test_l4lb_all();

	test_xdp_noinline();

	test_tcp_estats();

	test_bpf_obj_id();

	test_obj_name();

tools/testing/selftests/bpf/test_progs.h

+4 −0
Original line number Diff line number Diff line
@@ -77,4 +77,8 @@ extern struct ipv6_packet pkt_v6; 
#define CHECK_ATTR(condition, tag, format...) \

	_CHECK(condition, tag, tattr.duration, format)



#define MAGIC_VAL 0x1234

#define NUM_ITER 100000

#define VIP_NUM 5



int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);