diff options
| -rw-r--r-- | tools/testing/selftests/bpf/.gitignore | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/Makefile | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 264 |
3 files changed, 9 insertions, 264 deletions
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore index 7470327edcfe..50063f66539d 100644 --- a/tools/testing/selftests/bpf/.gitignore +++ b/tools/testing/selftests/bpf/.gitignore @@ -39,3 +39,4 @@ libbpf.so.* test_hashmap test_btf_dump xdping +/bpf_helper_defs.h diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 294d7472dad7..b59fb4e8afaf 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -90,6 +90,10 @@ include ../lib.mk TEST_CUSTOM_PROGS = $(OUTPUT)/urandom_read all: $(TEST_CUSTOM_PROGS) +bpf_helper_defs.h: $(APIDIR)/linux/bpf.h + $(BPFDIR)/../../../scripts/bpf_helpers_doc.py --header \ + --file $(APIDIR)/linux/bpf.h > bpf_helper_defs.h + $(OUTPUT)/urandom_read: $(OUTPUT)/%: %.c $(CC) -o $@ $< -Wl,--build-id @@ -123,7 +127,7 @@ $(OUTPUT)/test_cgroup_attach: cgroup_helpers.c # force a rebuild of BPFOBJ when its dependencies are updated force: -$(BPFOBJ): force +$(BPFOBJ): force bpf_helper_defs.h $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ PROBE := $(shell $(LLC) -march=bpf -mcpu=probe -filetype=null /dev/null 2>&1) @@ -319,4 +323,4 @@ $(VERIFIER_TESTS_H): $(VERIFIER_TEST_FILES) | $(VERIFIER_TESTS_DIR) EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR) $(BPF_GCC_BUILD_DIR) \ $(VERIFIER_TESTS_H) $(PROG_TESTS_H) $(MAP_TESTS_H) \ - feature + feature bpf_helper_defs.h diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index 9f77cbaac01c..15152280db6f 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -2,6 +2,8 @@ #ifndef __BPF_HELPERS__ #define __BPF_HELPERS__ +#include "bpf_helper_defs.h" + #define __uint(name, val) int (*name)[val] #define __type(name, val) typeof(val) *name @@ -21,219 +23,6 @@ */ #define SEC(NAME) __attribute__((section(NAME), used)) -/* helper functions called from eBPF programs written in C */ -static void *(*bpf_map_lookup_elem)(void *map, const void *key) = - (void *) BPF_FUNC_map_lookup_elem; -static int (*bpf_map_update_elem)(void *map, const void *key, const void *value, - unsigned long long flags) = - (void *) BPF_FUNC_map_update_elem; -static int (*bpf_map_delete_elem)(void *map, const void *key) = - (void *) BPF_FUNC_map_delete_elem; -static int (*bpf_map_push_elem)(void *map, const void *value, - unsigned long long flags) = - (void *) BPF_FUNC_map_push_elem; -static int (*bpf_map_pop_elem)(void *map, void *value) = - (void *) BPF_FUNC_map_pop_elem; -static int (*bpf_map_peek_elem)(void *map, void *value) = - (void *) BPF_FUNC_map_peek_elem; -static int (*bpf_probe_read)(void *dst, int size, const void *unsafe_ptr) = - (void *) BPF_FUNC_probe_read; -static unsigned long long (*bpf_ktime_get_ns)(void) = - (void *) BPF_FUNC_ktime_get_ns; -static int (*bpf_trace_printk)(const char *fmt, int fmt_size, ...) = - (void *) BPF_FUNC_trace_printk; -static void (*bpf_tail_call)(void *ctx, void *map, int index) = - (void *) BPF_FUNC_tail_call; -static unsigned long long (*bpf_get_smp_processor_id)(void) = - (void *) BPF_FUNC_get_smp_processor_id; -static unsigned long long (*bpf_get_current_pid_tgid)(void) = - (void *) BPF_FUNC_get_current_pid_tgid; -static unsigned long long (*bpf_get_current_uid_gid)(void) = - (void *) BPF_FUNC_get_current_uid_gid; -static int (*bpf_get_current_comm)(void *buf, int buf_size) = - (void *) BPF_FUNC_get_current_comm; -static unsigned long long (*bpf_perf_event_read)(void *map, - unsigned long long flags) = - (void *) BPF_FUNC_perf_event_read; -static int (*bpf_clone_redirect)(void *ctx, int ifindex, int flags) = - (void *) BPF_FUNC_clone_redirect; -static int (*bpf_redirect)(int ifindex, int flags) = - (void *) BPF_FUNC_redirect; -static int (*bpf_redirect_map)(void *map, int key, int flags) = - (void *) BPF_FUNC_redirect_map; -static int (*bpf_perf_event_output)(void *ctx, void *map, - unsigned long long flags, void *data, - int size) = - (void *) BPF_FUNC_perf_event_output; -static int (*bpf_get_stackid)(void *ctx, void *map, int flags) = - (void *) BPF_FUNC_get_stackid; -static int (*bpf_probe_write_user)(void *dst, const void *src, int size) = - (void *) BPF_FUNC_probe_write_user; -static int (*bpf_current_task_under_cgroup)(void *map, int index) = - (void *) BPF_FUNC_current_task_under_cgroup; -static int (*bpf_skb_get_tunnel_key)(void *ctx, void *key, int size, int flags) = - (void *) BPF_FUNC_skb_get_tunnel_key; -static int (*bpf_skb_set_tunnel_key)(void *ctx, void *key, int size, int flags) = - (void *) BPF_FUNC_skb_set_tunnel_key; -static int (*bpf_skb_get_tunnel_opt)(void *ctx, void *md, int size) = - (void *) BPF_FUNC_skb_get_tunnel_opt; -static int (*bpf_skb_set_tunnel_opt)(void *ctx, void *md, int size) = - (void *) BPF_FUNC_skb_set_tunnel_opt; -static unsigned long long (*bpf_get_prandom_u32)(void) = - (void *) BPF_FUNC_get_prandom_u32; -static int (*bpf_xdp_adjust_head)(void *ctx, int offset) = - (void *) BPF_FUNC_xdp_adjust_head; -static int (*bpf_xdp_adjust_meta)(void *ctx, int offset) = - (void *) BPF_FUNC_xdp_adjust_meta; -static int (*bpf_get_socket_cookie)(void *ctx) = - (void *) BPF_FUNC_get_socket_cookie; -static int (*bpf_setsockopt)(void *ctx, int level, int optname, void *optval, - int optlen) = - (void *) BPF_FUNC_setsockopt; -static int (*bpf_getsockopt)(void *ctx, int level, int optname, void *optval, - int optlen) = - (void *) BPF_FUNC_getsockopt; -static int (*bpf_sock_ops_cb_flags_set)(void *ctx, int flags) = - (void *) BPF_FUNC_sock_ops_cb_flags_set; -static int (*bpf_sk_redirect_map)(void *ctx, void *map, int key, int flags) = - (void *) BPF_FUNC_sk_redirect_map; -static int (*bpf_sk_redirect_hash)(void *ctx, void *map, void *key, int flags) = - (void *) BPF_FUNC_sk_redirect_hash; -static int (*bpf_sock_map_update)(void *map, void *key, void *value, - unsigned long long flags) = - (void *) BPF_FUNC_sock_map_update; -static int (*bpf_sock_hash_update)(void *map, void *key, void *value, - unsigned long long flags) = - (void *) BPF_FUNC_sock_hash_update; -static int (*bpf_perf_event_read_value)(void *map, unsigned long long flags, - void *buf, unsigned int buf_size) = - (void *) BPF_FUNC_perf_event_read_value; -static int (*bpf_perf_prog_read_value)(void *ctx, void *buf, - unsigned int buf_size) = - (void *) BPF_FUNC_perf_prog_read_value; -static int (*bpf_override_return)(void *ctx, unsigned long rc) = - (void *) BPF_FUNC_override_return; -static int (*bpf_msg_redirect_map)(void *ctx, void *map, int key, int flags) = - (void *) BPF_FUNC_msg_redirect_map; -static int (*bpf_msg_redirect_hash)(void *ctx, - void *map, void *key, int flags) = - (void *) BPF_FUNC_msg_redirect_hash; -static int (*bpf_msg_apply_bytes)(void *ctx, int len) = - (void *) BPF_FUNC_msg_apply_bytes; -static int (*bpf_msg_cork_bytes)(void *ctx, int len) = - (void *) BPF_FUNC_msg_cork_bytes; -static int (*bpf_msg_pull_data)(void *ctx, int start, int end, int flags) = - (void *) BPF_FUNC_msg_pull_data; -static int (*bpf_msg_push_data)(void *ctx, int start, int end, int flags) = - (void *) BPF_FUNC_msg_push_data; -static int (*bpf_msg_pop_data)(void *ctx, int start, int cut, int flags) = - (void *) BPF_FUNC_msg_pop_data; -static int (*bpf_bind)(void *ctx, void *addr, int addr_len) = - (void *) BPF_FUNC_bind; -static int (*bpf_xdp_adjust_tail)(void *ctx, int offset) = - (void *) BPF_FUNC_xdp_adjust_tail; -static int (*bpf_skb_get_xfrm_state)(void *ctx, int index, void *state, - int size, int flags) = - (void *) BPF_FUNC_skb_get_xfrm_state; -static int (*bpf_sk_select_reuseport)(void *ctx, void *map, void *key, __u32 flags) = - (void *) BPF_FUNC_sk_select_reuseport; -static int (*bpf_get_stack)(void *ctx, void *buf, int size, int flags) = - (void *) BPF_FUNC_get_stack; -static int (*bpf_fib_lookup)(void *ctx, struct bpf_fib_lookup *params, - int plen, __u32 flags) = - (void *) BPF_FUNC_fib_lookup; -static int (*bpf_lwt_push_encap)(void *ctx, unsigned int type, void *hdr, - unsigned int len) = - (void *) BPF_FUNC_lwt_push_encap; -static int (*bpf_lwt_seg6_store_bytes)(void *ctx, unsigned int offset, - void *from, unsigned int len) = - (void *) BPF_FUNC_lwt_seg6_store_bytes; -static int (*bpf_lwt_seg6_action)(void *ctx, unsigned int action, void *param, - unsigned int param_len) = - (void *) BPF_FUNC_lwt_seg6_action; -static int (*bpf_lwt_seg6_adjust_srh)(void *ctx, unsigned int offset, - unsigned int len) = - (void *) BPF_FUNC_lwt_seg6_adjust_srh; -static int (*bpf_rc_repeat)(void *ctx) = - (void *) BPF_FUNC_rc_repeat; -static int (*bpf_rc_keydown)(void *ctx, unsigned int protocol, - unsigned long long scancode, unsigned int toggle) = - (void *) BPF_FUNC_rc_keydown; -static unsigned long long (*bpf_get_current_cgroup_id)(void) = - (void *) BPF_FUNC_get_current_cgroup_id; -static void *(*bpf_get_local_storage)(void *map, unsigned long long flags) = - (void *) BPF_FUNC_get_local_storage; -static unsigned long long (*bpf_skb_cgroup_id)(void *ctx) = - (void *) BPF_FUNC_skb_cgroup_id; -static unsigned long long (*bpf_skb_ancestor_cgroup_id)(void *ctx, int level) = - (void *) BPF_FUNC_skb_ancestor_cgroup_id; -static struct bpf_sock *(*bpf_sk_lookup_tcp)(void *ctx, - struct bpf_sock_tuple *tuple, - int size, unsigned long long netns_id, - unsigned long long flags) = - (void *) BPF_FUNC_sk_lookup_tcp; -static struct bpf_sock *(*bpf_skc_lookup_tcp)(void *ctx, - struct bpf_sock_tuple *tuple, - int size, unsigned long long netns_id, - unsigned long long flags) = - (void *) BPF_FUNC_skc_lookup_tcp; -static struct bpf_sock *(*bpf_sk_lookup_udp)(void *ctx, - struct bpf_sock_tuple *tuple, - int size, unsigned long long netns_id, - unsigned long long flags) = - (void *) BPF_FUNC_sk_lookup_udp; -static int (*bpf_sk_release)(struct bpf_sock *sk) = - (void *) BPF_FUNC_sk_release; -static int (*bpf_skb_vlan_push)(void *ctx, __be16 vlan_proto, __u16 vlan_tci) = - (void *) BPF_FUNC_skb_vlan_push; -static int (*bpf_skb_vlan_pop)(void *ctx) = - (void *) BPF_FUNC_skb_vlan_pop; -static int (*bpf_rc_pointer_rel)(void *ctx, int rel_x, int rel_y) = - (void *) BPF_FUNC_rc_pointer_rel; -static void (*bpf_spin_lock)(struct bpf_spin_lock *lock) = - (void *) BPF_FUNC_spin_lock; -static void (*bpf_spin_unlock)(struct bpf_spin_lock *lock) = - (void *) BPF_FUNC_spin_unlock; -static struct bpf_sock *(*bpf_sk_fullsock)(struct bpf_sock *sk) = - (void *) BPF_FUNC_sk_fullsock; -static struct bpf_tcp_sock *(*bpf_tcp_sock)(struct bpf_sock *sk) = - (void *) BPF_FUNC_tcp_sock; -static struct bpf_sock *(*bpf_get_listener_sock)(struct bpf_sock *sk) = - (void *) BPF_FUNC_get_listener_sock; -static int (*bpf_skb_ecn_set_ce)(void *ctx) = - (void *) BPF_FUNC_skb_ecn_set_ce; -static int (*bpf_tcp_check_syncookie)(struct bpf_sock *sk, - void *ip, int ip_len, void *tcp, int tcp_len) = - (void *) BPF_FUNC_tcp_check_syncookie; -static int (*bpf_sysctl_get_name)(void *ctx, char *buf, - unsigned long long buf_len, - unsigned long long flags) = - (void *) BPF_FUNC_sysctl_get_name; -static int (*bpf_sysctl_get_current_value)(void *ctx, char *buf, - unsigned long long buf_len) = - (void *) BPF_FUNC_sysctl_get_current_value; -static int (*bpf_sysctl_get_new_value)(void *ctx, char *buf, - unsigned long long buf_len) = - (void *) BPF_FUNC_sysctl_get_new_value; -static int (*bpf_sysctl_set_new_value)(void *ctx, const char *buf, - unsigned long long buf_len) = - (void *) BPF_FUNC_sysctl_set_new_value; -static int (*bpf_strtol)(const char *buf, unsigned long long buf_len, - unsigned long long flags, long *res) = - (void *) BPF_FUNC_strtol; -static int (*bpf_strtoul)(const char *buf, unsigned long long buf_len, - unsigned long long flags, unsigned long *res) = - (void *) BPF_FUNC_strtoul; -static void *(*bpf_sk_storage_get)(void *map, struct bpf_sock *sk, - void *value, __u64 flags) = - (void *) BPF_FUNC_sk_storage_get; -static int (*bpf_sk_storage_delete)(void *map, struct bpf_sock *sk) = - (void *)BPF_FUNC_sk_storage_delete; -static int (*bpf_send_signal)(unsigned sig) = (void *)BPF_FUNC_send_signal; -static long long (*bpf_tcp_gen_syncookie)(struct bpf_sock *sk, void *ip, - int ip_len, void *tcp, int tcp_len) = - (void *) BPF_FUNC_tcp_gen_syncookie; - /* llvm builtin functions that eBPF C program may use to * emit BPF_LD_ABS and BPF_LD_IND instructions */ @@ -273,55 +62,6 @@ struct bpf_map_def { __attribute__ ((section(".maps." #name), used)) \ ____btf_map_##name = { } -static int (*bpf_skb_load_bytes)(void *ctx, int off, void *to, int len) = - (void *) BPF_FUNC_skb_load_bytes; -static int (*bpf_skb_load_bytes_relative)(void *ctx, int off, void *to, int len, __u32 start_header) = - (void *) BPF_FUNC_skb_load_bytes_relative; -static int (*bpf_skb_store_bytes)(void *ctx, int off, void *from, int len, int flags) = - (void *) BPF_FUNC_skb_store_bytes; -static int (*bpf_l3_csum_replace)(void *ctx, int off, int from, int to, int flags) = - (void *) BPF_FUNC_l3_csum_replace; -static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flags) = - (void *) BPF_FUNC_l4_csum_replace; -static int (*bpf_csum_diff)(void *from, int from_size, void *to, int to_size, int seed) = - (void *) BPF_FUNC_csum_diff; -static int (*bpf_skb_under_cgroup)(void *ctx, void *map, int index) = - (void *) BPF_FUNC_skb_under_cgroup; -static int (*bpf_skb_change_head)(void *, int len, int flags) = - (void *) BPF_FUNC_skb_change_head; -static int (*bpf_skb_pull_data)(void *, int len) = - (void *) BPF_FUNC_skb_pull_data; -static unsigned int (*bpf_get_cgroup_classid)(void *ctx) = - (void *) BPF_FUNC_get_cgroup_classid; -static unsigned int (*bpf_get_route_realm)(void *ctx) = - (void *) BPF_FUNC_get_route_realm; -static int (*bpf_skb_change_proto)(void *ctx, __be16 proto, __u64 flags) = - (void *) BPF_FUNC_skb_change_proto; -static int (*bpf_skb_change_type)(void *ctx, __u32 type) = - (void *) BPF_FUNC_skb_change_type; -static unsigned int (*bpf_get_hash_recalc)(void *ctx) = - (void *) BPF_FUNC_get_hash_recalc; -static unsigned long long (*bpf_get_current_task)(void) = - (void *) BPF_FUNC_get_current_task; -static int (*bpf_skb_change_tail)(void *ctx, __u32 len, __u64 flags) = - (void *) BPF_FUNC_skb_change_tail; -static long long (*bpf_csum_update)(void *ctx, __u32 csum) = - (void *) BPF_FUNC_csum_update; -static void (*bpf_set_hash_invalid)(void *ctx) = - (void *) BPF_FUNC_set_hash_invalid; -static int (*bpf_get_numa_node_id)(void) = - (void *) BPF_FUNC_get_numa_node_id; -static int (*bpf_probe_read_str)(void *ctx, __u32 size, - const void *unsafe_ptr) = - (void *) BPF_FUNC_probe_read_str; -static unsigned int (*bpf_get_socket_uid)(void *ctx) = - (void *) BPF_FUNC_get_socket_uid; -static unsigned int (*bpf_set_hash)(void *ctx, __u32 hash) = - (void *) BPF_FUNC_set_hash; -static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, - unsigned long long flags) = - (void *) BPF_FUNC_skb_adjust_room; - /* Scan the ARCH passed in from ARCH env variable (see Makefile) */ #if defined(__TARGET_ARCH_x86) #define bpf_target_x86 |