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selftests/bpf: convert legacy BPF maps to BTF-defined ones 

Convert selftests that were originally left out and new ones added
recently to consistently use BTF-defined maps.

Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrii Nakryiko 2019-07-05 08:50:12 -07:00 committed by Daniel Borkmann
parent bc7430cc8b
commit 1639b17c72
11 changed files with 208 additions and 216 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
tools/testing/selftests/bpf/progs/get_cgroup_id_kern.c
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@ -4,19 +4,19 @@
#include <linux/bpf.h> #include <linux/bpf.h>
#include "bpf_helpers.h" #include "bpf_helpers.h"
struct bpf_map_def SEC("maps") cg_ids = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(__u32), __uint(max_entries, 1);
.value_size = sizeof(__u64), __type(key, __u32);
.max_entries = 1, __type(value, __u64);
}; } cg_ids SEC(".maps");
struct bpf_map_def SEC("maps") pidmap = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(__u32), __uint(max_entries, 1);
.value_size = sizeof(__u32), __type(key, __u32);
.max_entries = 1, __type(value, __u32);
}; } pidmap SEC(".maps");
SEC("tracepoint/syscalls/sys_enter_nanosleep") SEC("tracepoint/syscalls/sys_enter_nanosleep")
int trace(void *ctx) int trace(void *ctx)

80
tools/testing/selftests/bpf/progs/pyperf.h
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@ -58,14 +58,6 @@ typedef struct {
} Event; } Event;
struct bpf_elf_map {
__u32 type;
__u32 size_key;
__u32 size_value;
__u32 max_elem;
__u32 flags;
};
typedef int pid_t; typedef int pid_t;
typedef struct { typedef struct {
@ -118,47 +110,47 @@ static __always_inline bool get_frame_data(void *frame_ptr, PidData *pidData,
return true; return true;
} }
struct bpf_elf_map SEC("maps") pidmap = { struct {
.type = BPF_MAP_TYPE_HASH, __uint(type, BPF_MAP_TYPE_HASH);
.size_key = sizeof(int), __uint(max_entries, 1);
.size_value = sizeof(PidData), __type(key, int);
.max_elem = 1, __type(value, PidData);
}; } pidmap SEC(".maps");
struct bpf_elf_map SEC("maps") eventmap = { struct {
.type = BPF_MAP_TYPE_HASH, __uint(type, BPF_MAP_TYPE_HASH);
.size_key = sizeof(int), __uint(max_entries, 1);
.size_value = sizeof(Event), __type(key, int);
.max_elem = 1, __type(value, Event);
}; } eventmap SEC(".maps");
struct bpf_elf_map SEC("maps") symbolmap = { struct {
.type = BPF_MAP_TYPE_HASH, __uint(type, BPF_MAP_TYPE_HASH);
.size_key = sizeof(Symbol), __uint(max_entries, 1);
.size_value = sizeof(int), __type(key, Symbol);
.max_elem = 1, __type(value, int);
}; } symbolmap SEC(".maps");
struct bpf_elf_map SEC("maps") statsmap = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.size_key = sizeof(Stats), __uint(max_entries, 1);
.size_value = sizeof(int), __type(key, int);
.max_elem = 1, __type(value, Stats);
}; } statsmap SEC(".maps");
struct bpf_elf_map SEC("maps") perfmap = { struct {
.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
.size_key = sizeof(int), __uint(max_entries, 32);
.size_value = sizeof(int), __uint(key_size, sizeof(int));
.max_elem = 32, __uint(value_size, sizeof(int));
}; } perfmap SEC(".maps");
struct bpf_elf_map SEC("maps") stackmap = { struct {
.type = BPF_MAP_TYPE_STACK_TRACE, __uint(type, BPF_MAP_TYPE_STACK_TRACE);
.size_key = sizeof(int), __uint(max_entries, 1000);
.size_value = sizeof(long long) * 127, __uint(key_size, sizeof(int));
.max_elem = 1000, __uint(value_size, sizeof(long long) * 127);
}; } stackmap SEC(".maps");
static __always_inline int __on_event(struct pt_regs *ctx) static __always_inline int __on_event(struct pt_regs *ctx)
{ {

48
tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
View File

@ -4,33 +4,33 @@
int _version SEC("version") = 1; int _version SEC("version") = 1;
struct bpf_map_def SEC("maps") sock_map_rx = { struct {
.type = BPF_MAP_TYPE_SOCKMAP, __uint(type, BPF_MAP_TYPE_SOCKMAP);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map_rx SEC(".maps");
struct bpf_map_def SEC("maps") sock_map_tx = { struct {
.type = BPF_MAP_TYPE_SOCKMAP, __uint(type, BPF_MAP_TYPE_SOCKMAP);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map_tx SEC(".maps");
struct bpf_map_def SEC("maps") sock_map_msg = { struct {
.type = BPF_MAP_TYPE_SOCKMAP, __uint(type, BPF_MAP_TYPE_SOCKMAP);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map_msg SEC(".maps");
struct bpf_map_def SEC("maps") sock_map_break = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __type(key, int);
.max_entries = 20, __type(value, int);
}; } sock_map_break SEC(".maps");
SEC("sk_skb2") SEC("sk_skb2")
int bpf_prog2(struct __sk_buff *skb) int bpf_prog2(struct __sk_buff *skb)

60
tools/testing/selftests/bpf/progs/strobemeta.h
View File

@ -204,40 +204,40 @@ struct strobelight_bpf_sample {
char dummy_safeguard; char dummy_safeguard;
}; };
struct bpf_map_def SEC("maps") samples = { struct {
.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY, __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 32);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 32, __uint(value_size, sizeof(int));
}; } samples SEC(".maps");
struct bpf_map_def SEC("maps") stacks_0 = { struct {
.type = BPF_MAP_TYPE_STACK_TRACE, __uint(type, BPF_MAP_TYPE_STACK_TRACE);
.key_size = sizeof(uint32_t), __uint(max_entries, 16);
.value_size = sizeof(uint64_t) * PERF_MAX_STACK_DEPTH, __uint(key_size, sizeof(uint32_t));
.max_entries = 16, __uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
}; } stacks_0 SEC(".maps");
struct bpf_map_def SEC("maps") stacks_1 = { struct {
.type = BPF_MAP_TYPE_STACK_TRACE, __uint(type, BPF_MAP_TYPE_STACK_TRACE);
.key_size = sizeof(uint32_t), __uint(max_entries, 16);
.value_size = sizeof(uint64_t) * PERF_MAX_STACK_DEPTH, __uint(key_size, sizeof(uint32_t));
.max_entries = 16, __uint(value_size, sizeof(uint64_t) * PERF_MAX_STACK_DEPTH);
}; } stacks_1 SEC(".maps");
struct bpf_map_def SEC("maps") sample_heap = { struct {
.type = BPF_MAP_TYPE_PERCPU_ARRAY, __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
.key_size = sizeof(uint32_t), __uint(max_entries, 1);
.value_size = sizeof(struct strobelight_bpf_sample), __type(key, uint32_t);
.max_entries = 1, __type(value, struct strobelight_bpf_sample);
}; } sample_heap SEC(".maps");
struct bpf_map_def SEC("maps") strobemeta_cfgs = { struct {
.type = BPF_MAP_TYPE_PERCPU_ARRAY, __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
.key_size = sizeof(pid_t), __uint(max_entries, STROBE_MAX_CFGS);
.value_size = sizeof(struct strobemeta_cfg), __type(key, pid_t);
.max_entries = STROBE_MAX_CFGS, __type(value, struct strobemeta_cfg);
}; } strobemeta_cfgs SEC(".maps");
/* Type for the dtv. */ /* Type for the dtv. */
/* https://github.com/lattera/glibc/blob/master/nptl/sysdeps/x86_64/tls.h#L34 */ /* https://github.com/lattera/glibc/blob/master/nptl/sysdeps/x86_64/tls.h#L34 */

28
tools/testing/selftests/bpf/progs/test_map_in_map.c
View File

@ -5,23 +5,23 @@
#include <linux/types.h> #include <linux/types.h>
#include "bpf_helpers.h" #include "bpf_helpers.h"
struct bpf_map_def SEC("maps") mim_array = { struct {
.type = BPF_MAP_TYPE_ARRAY_OF_MAPS, __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
.key_size = sizeof(int), __uint(max_entries, 1);
__uint(map_flags, 0);
__uint(key_size, sizeof(__u32));
/* must be sizeof(__u32) for map in map */ /* must be sizeof(__u32) for map in map */
.value_size = sizeof(__u32), __uint(value_size, sizeof(__u32));
.max_entries = 1, } mim_array SEC(".maps");
.map_flags = 0,
};
struct bpf_map_def SEC("maps") mim_hash = { struct {
.type = BPF_MAP_TYPE_HASH_OF_MAPS, __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
.key_size = sizeof(int), __uint(max_entries, 1);
__uint(map_flags, 0);
__uint(key_size, sizeof(int));
/* must be sizeof(__u32) for map in map */ /* must be sizeof(__u32) for map in map */
.value_size = sizeof(__u32), __uint(value_size, sizeof(__u32));
.max_entries = 1, } mim_hash SEC(".maps");
.map_flags = 0,
};
SEC("xdp_mimtest") SEC("xdp_mimtest")
int xdp_mimtest0(struct xdp_md *ctx) int xdp_mimtest0(struct xdp_md *ctx)

12
tools/testing/selftests/bpf/progs/test_obj_id.c
View File

@ -13,12 +13,12 @@
int _version SEC("version") = 1; int _version SEC("version") = 1;
struct bpf_map_def SEC("maps") test_map_id = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(__u32), __uint(max_entries, 1);
.value_size = sizeof(__u64), __type(key, __u32);
.max_entries = 1, __type(value, __u64);
}; } test_map_id SEC(".maps");
SEC("test_obj_id_dummy") SEC("test_obj_id_dummy")
int test_obj_id(struct __sk_buff *skb) int test_obj_id(struct __sk_buff *skb)

24
tools/testing/selftests/bpf/progs/test_xdp_loop.c
View File

@ -18,19 +18,19 @@
int _version SEC("version") = 1; int _version SEC("version") = 1;
struct bpf_map_def SEC("maps") rxcnt = { struct {
.type = BPF_MAP_TYPE_PERCPU_ARRAY, __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
.key_size = sizeof(__u32), __uint(max_entries, 256);
.value_size = sizeof(__u64), __type(key, __u32);
.max_entries = 256, __type(value, __u64);
}; } rxcnt SEC(".maps");
struct bpf_map_def SEC("maps") vip2tnl = { struct {
.type = BPF_MAP_TYPE_HASH, __uint(type, BPF_MAP_TYPE_HASH);
.key_size = sizeof(struct vip), __uint(max_entries, MAX_IPTNL_ENTRIES);
.value_size = sizeof(struct iptnl_info), __type(key, struct vip);
.max_entries = MAX_IPTNL_ENTRIES, __type(value, struct iptnl_info);
}; } vip2tnl SEC(".maps");
static __always_inline void count_tx(__u32 protocol) static __always_inline void count_tx(__u32 protocol)
{ {

12
tools/testing/selftests/bpf/progs/xdp_redirect_map.c
View File

@ -3,12 +3,12 @@
#include <linux/bpf.h> #include <linux/bpf.h>
#include "bpf_helpers.h" #include "bpf_helpers.h"
struct bpf_map_def SEC("maps") tx_port = { struct {
.type = BPF_MAP_TYPE_DEVMAP, __uint(type, BPF_MAP_TYPE_DEVMAP);
.key_size = sizeof(int), __uint(max_entries, 8);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 8, __uint(value_size, sizeof(int));
}; } tx_port SEC(".maps");
SEC("redirect_map_0") SEC("redirect_map_0")
int xdp_redirect_map_0(struct xdp_md *xdp) int xdp_redirect_map_0(struct xdp_md *xdp)

12
tools/testing/selftests/bpf/progs/xdping_kern.c
View File

@ -17,12 +17,12 @@
#include "xdping.h" #include "xdping.h"
struct bpf_map_def SEC("maps") ping_map = { struct {
.type = BPF_MAP_TYPE_HASH, __uint(type, BPF_MAP_TYPE_HASH);
.key_size = sizeof(__u32), __uint(max_entries, 256);
.value_size = sizeof(struct pinginfo), __type(key, __u32);
.max_entries = 256, __type(value, struct pinginfo);
}; } ping_map SEC(".maps");
static __always_inline void swap_src_dst_mac(void *data) static __always_inline void swap_src_dst_mac(void *data)
{ {

28
tools/testing/selftests/bpf/test_queue_stack_map.h
View File

@ -10,21 +10,21 @@
int _version SEC("version") = 1; int _version SEC("version") = 1;
struct bpf_map_def __attribute__ ((section("maps"), used)) map_in = { struct {
.type = MAP_TYPE, __uint(type, MAP_TYPE);
.key_size = 0, __uint(max_entries, 32);
.value_size = sizeof(__u32), __uint(map_flags, 0);
.max_entries = 32, __uint(key_size, 0);
.map_flags = 0, __uint(value_size, sizeof(__u32));
}; } map_in SEC(".maps");
struct bpf_map_def __attribute__ ((section("maps"), used)) map_out = { struct {
.type = MAP_TYPE, __uint(type, MAP_TYPE);
.key_size = 0, __uint(max_entries, 32);
.value_size = sizeof(__u32), __uint(map_flags, 0);
.max_entries = 32, __uint(key_size, 0);
.map_flags = 0, __uint(value_size, sizeof(__u32));
}; } map_out SEC(".maps");
SEC("test") SEC("test")
int _test(struct __sk_buff *skb) int _test(struct __sk_buff *skb)

96
tools/testing/selftests/bpf/test_sockmap_kern.h
View File

@ -28,61 +28,61 @@
* are established and verdicts are decided. * are established and verdicts are decided.
*/ */
struct bpf_map_def SEC("maps") sock_map = { struct {
.type = TEST_MAP_TYPE, __uint(type, TEST_MAP_TYPE);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map SEC(".maps");
struct bpf_map_def SEC("maps") sock_map_txmsg = { struct {
.type = TEST_MAP_TYPE, __uint(type, TEST_MAP_TYPE);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map_txmsg SEC(".maps");
struct bpf_map_def SEC("maps") sock_map_redir = { struct {
.type = TEST_MAP_TYPE, __uint(type, TEST_MAP_TYPE);
.key_size = sizeof(int), __uint(max_entries, 20);
.value_size = sizeof(int), __uint(key_size, sizeof(int));
.max_entries = 20, __uint(value_size, sizeof(int));
}; } sock_map_redir SEC(".maps");
struct bpf_map_def SEC("maps") sock_apply_bytes = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 1);
.value_size = sizeof(int), __type(key, int);
.max_entries = 1 __type(value, int);
}; } sock_apply_bytes SEC(".maps");
struct bpf_map_def SEC("maps") sock_cork_bytes = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 1);
.value_size = sizeof(int), __type(key, int);
.max_entries = 1 __type(value, int);
}; } sock_cork_bytes SEC(".maps");
struct bpf_map_def SEC("maps") sock_bytes = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 6);
.value_size = sizeof(int), __type(key, int);
.max_entries = 6 __type(value, int);
}; } sock_bytes SEC(".maps");
struct bpf_map_def SEC("maps") sock_redir_flags = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 1);
.value_size = sizeof(int), __type(key, int);
.max_entries = 1 __type(value, int);
}; } sock_redir_flags SEC(".maps");
struct bpf_map_def SEC("maps") sock_skb_opts = { struct {
.type = BPF_MAP_TYPE_ARRAY, __uint(type, BPF_MAP_TYPE_ARRAY);
.key_size = sizeof(int), __uint(max_entries, 1);
.value_size = sizeof(int), __type(key, int);
.max_entries = 1 __type(value, int);
}; } sock_skb_opts SEC(".maps");
SEC("sk_skb1") SEC("sk_skb1")
int bpf_prog1(struct __sk_buff *skb) int bpf_prog1(struct __sk_buff *skb)