Standardize string representation of attach types by putting commonly used names to libbpf. The attach_type to string mapping is taken from bpftool: tools/bpf/bpftool/cgroup.c tools/bpf/bpftool/prog.c
Signed-off-by: Julia Kartseva <[email protected]> --- tools/lib/bpf/libbpf.c | 50 ++++++++++++++++++++++++++++++++++++++++ tools/lib/bpf/libbpf.h | 5 ++++ tools/lib/bpf/libbpf.map | 2 ++ 3 files changed, 57 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 9c531256888b..b5b07493655f 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -354,6 +354,32 @@ static const char *const map_type_strs[] = { [BPF_MAP_TYPE_DEVMAP_HASH] = "devmap_hash" }; +static const char *const attach_type_strs[] = { + [BPF_CGROUP_INET_INGRESS] = "ingress", + [BPF_CGROUP_INET_EGRESS] = "egress", + [BPF_CGROUP_INET_SOCK_CREATE] = "sock_create", + [BPF_CGROUP_SOCK_OPS] = "sock_ops", + [BPF_SK_SKB_STREAM_PARSER] = "stream_parser", + [BPF_SK_SKB_STREAM_VERDICT] = "stream_verdict", + [BPF_CGROUP_DEVICE] = "device", + [BPF_SK_MSG_VERDICT] = "msg_verdict", + [BPF_CGROUP_INET4_BIND] = "bind4", + [BPF_CGROUP_INET6_BIND] = "bind6", + [BPF_CGROUP_INET4_CONNECT] = "connect4", + [BPF_CGROUP_INET6_CONNECT] = "connect6", + [BPF_CGROUP_INET4_POST_BIND] = "post_bind4", + [BPF_CGROUP_INET6_POST_BIND] = "post_bind6", + [BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4", + [BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6", + [BPF_LIRC_MODE2] = "lirc_mode2", + [BPF_FLOW_DISSECTOR] = "flow_dissector", + [BPF_CGROUP_SYSCTL] = "sysctl", + [BPF_CGROUP_UDP4_RECVMSG] = "recvmsg4", + [BPF_CGROUP_UDP6_RECVMSG] = "recvmsg6", + [BPF_CGROUP_GETSOCKOPT] = "getsockopt", + [BPF_CGROUP_SETSOCKOPT] = "setsockopt" +}; + void bpf_program__unload(struct bpf_program *prog) { int i; @@ -4734,6 +4760,30 @@ int libbpf_map_type_to_str(enum bpf_map_type type, const char **str) return 0; } +int libbpf_attach_type_from_str(const char *str, enum bpf_attach_type *type) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(attach_type_strs); i++) + if (attach_type_strs[i] && + strcmp(attach_type_strs[i], str) == 0) { + *type = i; + return 0; + } + + return -EINVAL; +} + +int libbpf_attach_type_to_str(enum bpf_attach_type type, const char **str) +{ + if (type < BPF_CGROUP_INET_INGRESS || + type >= ARRAY_SIZE(attach_type_strs)) + return -EINVAL; + + *str = attach_type_strs[type]; + return 0; +} + static int bpf_program__identify_section(struct bpf_program *prog, enum bpf_prog_type *prog_type, diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 90daeb2cdefb..0ad941951b0d 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -139,6 +139,11 @@ LIBBPF_API int libbpf_prog_type_to_str(enum bpf_prog_type type, LIBBPF_API int libbpf_map_type_from_str(const char *str, enum bpf_map_type *type); LIBBPF_API int libbpf_map_type_to_str(enum bpf_map_type type, const char **str); +/* String representation of attach type */ +LIBBPF_API int libbpf_attach_type_from_str(const char *str, + enum bpf_attach_type *type); +LIBBPF_API int libbpf_attach_type_to_str(enum bpf_attach_type type, + const char **str); /* Accessors of bpf_program */ struct bpf_program; diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index e4ecf5414bb7..d87a6dc8a71f 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -192,4 +192,6 @@ LIBBPF_0.0.5 { libbpf_prog_type_to_str; libbpf_map_type_from_str; libbpf_map_type_to_str; + libbpf_attach_type_from_str; + libbpf_attach_type_to_str; } LIBBPF_0.0.4; -- 2.17.1
