selftests/bpf: Add sysctl and strtoX helpers to bpf_helpers.h

[linux-2.6-microblaze.git] / tools / testing / selftests / bpf / bpf_helpers.h

diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index c81fc35..59e2215 100644 (file)
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -9,14 +9,14 @@
 #define SEC(NAME) __attribute__((section(NAME), used))
 
 /* helper functions called from eBPF programs written in C */
-static void *(*bpf_map_lookup_elem)(void *map, void *key) =
+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, void *key, void *value,
+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, void *key) =
+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, void *value,
+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) =
@@ -159,6 +159,11 @@ static struct bpf_sock *(*bpf_sk_lookup_tcp)(void *ctx,
                                             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,
@@ -184,6 +189,28 @@ 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;
 
 /* llvm builtin functions that eBPF C program may use to
  * emit BPF_LD_ABS and BPF_LD_IND instructions
@@ -274,6 +301,9 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode,
 #elif defined(__TARGET_ARCH_s930x)
        #define bpf_target_s930x
        #define bpf_target_defined
+#elif defined(__TARGET_ARCH_arm)
+       #define bpf_target_arm
+       #define bpf_target_defined
 #elif defined(__TARGET_ARCH_arm64)
        #define bpf_target_arm64
        #define bpf_target_defined
@@ -296,6 +326,8 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode,
        #define bpf_target_x86
 #elif defined(__s390x__)
        #define bpf_target_s930x
+#elif defined(__arm__)
+       #define bpf_target_arm
 #elif defined(__aarch64__)
        #define bpf_target_arm64
 #elif defined(__mips__)
@@ -333,6 +365,19 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode,
 #define PT_REGS_SP(x) ((x)->gprs[15])
 #define PT_REGS_IP(x) ((x)->psw.addr)
 
+#elif defined(bpf_target_arm)
+
+#define PT_REGS_PARM1(x) ((x)->uregs[0])
+#define PT_REGS_PARM2(x) ((x)->uregs[1])
+#define PT_REGS_PARM3(x) ((x)->uregs[2])
+#define PT_REGS_PARM4(x) ((x)->uregs[3])
+#define PT_REGS_PARM5(x) ((x)->uregs[4])
+#define PT_REGS_RET(x) ((x)->uregs[14])
+#define PT_REGS_FP(x) ((x)->uregs[11]) /* Works only with CONFIG_FRAME_POINTER */
+#define PT_REGS_RC(x) ((x)->uregs[0])
+#define PT_REGS_SP(x) ((x)->uregs[13])
+#define PT_REGS_IP(x) ((x)->uregs[12])
+
 #elif defined(bpf_target_arm64)
 
 #define PT_REGS_PARM1(x) ((x)->regs[0])