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tools/lib/bpf: add support for BPF_PROG_TEST_RUN command

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add support for BPF_PROG_TEST_RUN command to libbpf.a

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2017-03-30 21:45:39 -07:00 • committed by David S. Miller
parent 1cf1cae963
commit 3084887378
3 changed files with 51 additions and 1 deletions
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24
tools/include/uapi/linux/bpf.h
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@ -81,6 +81,7 @@ enum bpf_cmd {
BPF_OBJ_GET,
BPF_PROG_ATTACH,
BPF_PROG_DETACH,
BPF_PROG_TEST_RUN,
};
enum bpf_map_type {
@ -189,6 +190,17 @@ union bpf_attr {
__u32 attach_type;
__u32 attach_flags;
};
struct { /* anonymous struct used by BPF_PROG_TEST_RUN command */
__u32 prog_fd;
__u32 retval;
__u32 data_size_in;
__u32 data_size_out;
__aligned_u64 data_in;
__aligned_u64 data_out;
__u32 repeat;
__u32 duration;
} test;
} __attribute__((aligned(8)));
/* BPF helper function descriptions:
@ -459,6 +471,18 @@ union bpf_attr {
* Return:
* > 0 length of the string including the trailing NUL on success
* < 0 error
*
* u64 bpf_bpf_get_socket_cookie(skb)
* Get the cookie for the socket stored inside sk_buff.
* @skb: pointer to skb
* Return: 8 Bytes non-decreasing number on success or 0 if the socket
* field is missing inside sk_buff
*
* u32 bpf_get_socket_uid(skb)
* Get the owner uid of the socket stored inside sk_buff.
* @skb: pointer to skb
* Return: uid of the socket owner on success or 0 if the socket pointer
* inside sk_buff is NULL
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \