diff options
Diffstat (limited to 'tools/lib')
-rw-r--r-- | tools/lib/bpf/bpf.c | 43 | ||||
-rw-r--r-- | tools/lib/bpf/bpf.h | 6 | ||||
-rw-r--r-- | tools/lib/bpf/libbpf.c | 3 | ||||
-rw-r--r-- | tools/lib/bpf/libbpf.h | 2 |
4 files changed, 51 insertions, 3 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 207c2eeddab0..4fe444b8092e 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -37,6 +37,8 @@ # define __NR_bpf 321 # elif defined(__aarch64__) # define __NR_bpf 280 +# elif defined(__sparc__) +# define __NR_bpf 349 # else # error __NR_bpf not defined. libbpf does not support your arch. # endif @@ -69,6 +71,23 @@ int bpf_create_map(enum bpf_map_type map_type, int key_size, return sys_bpf(BPF_MAP_CREATE, &attr, sizeof(attr)); } +int bpf_create_map_in_map(enum bpf_map_type map_type, int key_size, + int inner_map_fd, int max_entries, __u32 map_flags) +{ + union bpf_attr attr; + + memset(&attr, '\0', sizeof(attr)); + + attr.map_type = map_type; + attr.key_size = key_size; + attr.value_size = 4; + attr.inner_map_fd = inner_map_fd; + attr.max_entries = max_entries; + attr.map_flags = map_flags; + + return sys_bpf(BPF_MAP_CREATE, &attr, sizeof(attr)); +} + int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, size_t insns_cnt, const char *license, __u32 kern_version, char *log_buf, size_t log_buf_sz) @@ -192,3 +211,27 @@ int bpf_prog_detach(int target_fd, enum bpf_attach_type type) return sys_bpf(BPF_PROG_DETACH, &attr, sizeof(attr)); } + +int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, + void *data_out, __u32 *size_out, __u32 *retval, + __u32 *duration) +{ + union bpf_attr attr; + int ret; + + bzero(&attr, sizeof(attr)); + attr.test.prog_fd = prog_fd; + attr.test.data_in = ptr_to_u64(data); + attr.test.data_out = ptr_to_u64(data_out); + attr.test.data_size_in = size; + attr.test.repeat = repeat; + + ret = sys_bpf(BPF_PROG_TEST_RUN, &attr, sizeof(attr)); + if (size_out) + *size_out = attr.test.data_size_out; + if (retval) + *retval = attr.test.retval; + if (duration) + *duration = attr.test.duration; + return ret; +} diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 09c3dcac0496..edb4daeff7a5 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -26,6 +26,8 @@ int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, int max_entries, __u32 map_flags); +int bpf_create_map_in_map(enum bpf_map_type map_type, int key_size, + int inner_map_fd, int max_entries, __u32 map_flags); /* Recommend log buffer size */ #define BPF_LOG_BUF_SIZE 65536 @@ -45,6 +47,8 @@ int bpf_obj_get(const char *pathname); int bpf_prog_attach(int prog_fd, int attachable_fd, enum bpf_attach_type type, unsigned int flags); int bpf_prog_detach(int attachable_fd, enum bpf_attach_type type); - +int bpf_prog_test_run(int prog_fd, int repeat, void *data, __u32 size, + void *data_out, __u32 *size_out, __u32 *retval, + __u32 *duration); #endif diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index ac6eb863b2a4..1a2c07eb7795 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1618,8 +1618,7 @@ int bpf_program__nth_fd(struct bpf_program *prog, int n) return fd; } -static void bpf_program__set_type(struct bpf_program *prog, - enum bpf_prog_type type) +void bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type) { prog->type = type; } diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index b30394f9947a..32c7252f734e 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -25,6 +25,7 @@ #include <stdint.h> #include <stdbool.h> #include <sys/types.h> // for size_t +#include <linux/bpf.h> enum libbpf_errno { __LIBBPF_ERRNO__START = 4000, @@ -185,6 +186,7 @@ int bpf_program__set_sched_cls(struct bpf_program *prog); int bpf_program__set_sched_act(struct bpf_program *prog); int bpf_program__set_xdp(struct bpf_program *prog); int bpf_program__set_perf_event(struct bpf_program *prog); +void bpf_program__set_type(struct bpf_program *prog, enum bpf_prog_type type); bool bpf_program__is_socket_filter(struct bpf_program *prog); bool bpf_program__is_tracepoint(struct bpf_program *prog); |