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Commit 7e0d0fb5 authored by Yonghong Song's avatar Yonghong Song Committed by Alexei Starovoitov
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tools/bpf: add new fields for program load in lib/bpf 



The new fields are added for program load in lib/bpf so
application uses api bpf_load_program_xattr() is able
to load program with btf and func_info data.

This functionality will be used in next patch
by bpf selftest test_btf.

Signed-off-by: default avatarYonghong Song <yhs@fb.com>
Signed-off-by: default avatarMartin KaFai Lau <kafai@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent cc19435c

tools/lib/bpf/bpf.c

+4 −0
Original line number Diff line number Diff line
@@ -205,6 +205,10 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, 
	attr.log_level = 0;

	attr.kern_version = load_attr->kern_version;

	attr.prog_ifindex = load_attr->prog_ifindex;

	attr.prog_btf_fd = load_attr->prog_btf_fd;

	attr.func_info_rec_size = load_attr->func_info_rec_size;

	attr.func_info_cnt = load_attr->func_info_cnt;

	attr.func_info = ptr_to_u64(load_attr->func_info);

	memcpy(attr.prog_name, load_attr->name,

	       min(name_len, BPF_OBJ_NAME_LEN - 1));

tools/lib/bpf/bpf.h

+4 −0
Original line number Diff line number Diff line
@@ -74,6 +74,10 @@ struct bpf_load_program_attr { 
	const char *license;

	__u32 kern_version;

	__u32 prog_ifindex;

	__u32 prog_btf_fd;

	__u32 func_info_rec_size;

	const void *func_info;

	__u32 func_info_cnt;

};



/* Flags to direct loading requirements */