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-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-cgroup.rst16
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst5
-rw-r--r--tools/bpf/bpftool/bash-completion/bpftool18
-rw-r--r--tools/bpf/bpftool/cgroup.c53
-rw-r--r--tools/bpf/bpftool/common.c82
-rw-r--r--tools/bpf/bpftool/feature.c87
-rw-r--r--tools/bpf/bpftool/link.c61
-rw-r--r--tools/bpf/bpftool/main.h20
-rw-r--r--tools/bpf/bpftool/map.c82
-rw-r--r--tools/bpf/bpftool/prog.c76
-rw-r--r--tools/lib/bpf/libbpf.c160
-rw-r--r--tools/lib/bpf/libbpf.h36
-rw-r--r--tools/lib/bpf/libbpf.map6
-rw-r--r--tools/testing/selftests/bpf/prog_tests/libbpf_str.c207
-rwxr-xr-xtools/testing/selftests/bpf/test_bpftool_synctypes.py166
15 files changed, 737 insertions, 338 deletions
diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
index a17e9aa314fd..bd015ec9847b 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
@@ -31,11 +31,17 @@ CGROUP COMMANDS
| **bpftool** **cgroup help**
|
| *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* }
-| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** |
-| **bind4** | **bind6** | **post_bind4** | **post_bind6** | **connect4** | **connect6** |
-| **getpeername4** | **getpeername6** | **getsockname4** | **getsockname6** | **sendmsg4** |
-| **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** | **getsockopt** | **setsockopt** |
-| **sock_release** }
+| *ATTACH_TYPE* := { **cgroup_inet_ingress** | **cgroup_inet_egress** |
+| **cgroup_inet_sock_create** | **cgroup_sock_ops** |
+| **cgroup_device** | **cgroup_inet4_bind** | **cgroup_inet6_bind** |
+| **cgroup_inet4_post_bind** | **cgroup_inet6_post_bind** |
+| **cgroup_inet4_connect** | **cgroup_inet6_connect** |
+| **cgroup_inet4_getpeername** | **cgroup_inet6_getpeername** |
+| **cgroup_inet4_getsockname** | **cgroup_inet6_getsockname** |
+| **cgroup_udp4_sendmsg** | **cgroup_udp6_sendmsg** |
+| **cgroup_udp4_recvmsg** | **cgroup_udp6_recvmsg** |
+| **cgroup_sysctl** | **cgroup_getsockopt** | **cgroup_setsockopt** |
+| **cgroup_inet_sock_release** }
| *ATTACH_FLAGS* := { **multi** | **override** }
DESCRIPTION
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index a2e9359e554c..eb1b2a254eb1 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -53,8 +53,9 @@ PROG COMMANDS
| **cgroup/getsockopt** | **cgroup/setsockopt** | **cgroup/sock_release** |
| **struct_ops** | **fentry** | **fexit** | **freplace** | **sk_lookup**
| }
-| *ATTACH_TYPE* := {
-| **msg_verdict** | **skb_verdict** | **stream_verdict** | **stream_parser** | **flow_dissector**
+| *ATTACH_TYPE* := {
+| **sk_msg_verdict** | **sk_skb_verdict** | **sk_skb_stream_verdict** |
+| **sk_skb_stream_parser** | **flow_dissector**
| }
| *METRICs* := {
| **cycles** | **instructions** | **l1d_loads** | **llc_misses** |
diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 5df8d72c5179..91f89a9a5b36 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -407,8 +407,8 @@ _bpftool()
return 0
;;
5)
- local BPFTOOL_PROG_ATTACH_TYPES='msg_verdict \
- skb_verdict stream_verdict stream_parser \
+ local BPFTOOL_PROG_ATTACH_TYPES='sk_msg_verdict \
+ sk_skb_verdict sk_skb_stream_verdict sk_skb_stream_parser \
flow_dissector'
COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_ATTACH_TYPES" -- "$cur" ) )
return 0
@@ -1039,12 +1039,14 @@ _bpftool()
return 0
;;
attach|detach)
- local BPFTOOL_CGROUP_ATTACH_TYPES='ingress egress \
- sock_create sock_ops device \
- bind4 bind6 post_bind4 post_bind6 connect4 connect6 \
- getpeername4 getpeername6 getsockname4 getsockname6 \
- sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \
- setsockopt sock_release'
+ local BPFTOOL_CGROUP_ATTACH_TYPES='cgroup_inet_ingress cgroup_inet_egress \
+ cgroup_inet_sock_create cgroup_sock_ops cgroup_device cgroup_inet4_bind \
+ cgroup_inet6_bind cgroup_inet4_post_bind cgroup_inet6_post_bind \
+ cgroup_inet4_connect cgroup_inet6_connect cgroup_inet4_getpeername \
+ cgroup_inet6_getpeername cgroup_inet4_getsockname cgroup_inet6_getsockname \
+ cgroup_udp4_sendmsg cgroup_udp6_sendmsg cgroup_udp4_recvmsg \
+ cgroup_udp6_recvmsg cgroup_sysctl cgroup_getsockopt cgroup_setsockopt \
+ cgroup_inet_sock_release'
local ATTACH_FLAGS='multi override'
local PROG_TYPE='id pinned tag name'
# Check for $prev = $command first
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index effe136119d7..42421fe47a58 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -21,25 +21,43 @@
#define HELP_SPEC_ATTACH_FLAGS \
"ATTACH_FLAGS := { multi | override }"
-#define HELP_SPEC_ATTACH_TYPES \
- " ATTACH_TYPE := { ingress | egress | sock_create |\n" \
- " sock_ops | device | bind4 | bind6 |\n" \
- " post_bind4 | post_bind6 | connect4 |\n" \
- " connect6 | getpeername4 | getpeername6 |\n" \
- " getsockname4 | getsockname6 | sendmsg4 |\n" \
- " sendmsg6 | recvmsg4 | recvmsg6 |\n" \
- " sysctl | getsockopt | setsockopt |\n" \
- " sock_release }"
+#define HELP_SPEC_ATTACH_TYPES \
+ " ATTACH_TYPE := { cgroup_inet_ingress | cgroup_inet_egress |\n" \
+ " cgroup_inet_sock_create | cgroup_sock_ops |\n" \
+ " cgroup_device | cgroup_inet4_bind |\n" \
+ " cgroup_inet6_bind | cgroup_inet4_post_bind |\n" \
+ " cgroup_inet6_post_bind | cgroup_inet4_connect |\n" \
+ " cgroup_inet6_connect | cgroup_inet4_getpeername |\n" \
+ " cgroup_inet6_getpeername | cgroup_inet4_getsockname |\n" \
+ " cgroup_inet6_getsockname | cgroup_udp4_sendmsg |\n" \
+ " cgroup_udp6_sendmsg | cgroup_udp4_recvmsg |\n" \
+ " cgroup_udp6_recvmsg | cgroup_sysctl |\n" \
+ " cgroup_getsockopt | cgroup_setsockopt |\n" \
+ " cgroup_inet_sock_release }"
static unsigned int query_flags;
static enum bpf_attach_type parse_attach_type(const char *str)
{
+ const char *attach_type_str;
enum bpf_attach_type type;
- for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
- if (attach_type_name[type] &&
- is_prefix(str, attach_type_name[type]))
+ for (type = 0; ; type++) {
+ attach_type_str = libbpf_bpf_attach_type_str(type);
+ if (!attach_type_str)
+ break;
+ if (!strcmp(str, attach_type_str))
+ return type;
+ }
+
+ /* Also check traditionally used attach type strings. For these we keep
+ * allowing prefixed usage.
+ */
+ for (type = 0; ; type++) {
+ attach_type_str = bpf_attach_type_input_str(type);
+ if (!attach_type_str)
+ break;
+ if (is_prefix(str, attach_type_str))
return type;
}
@@ -52,6 +70,7 @@ static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
{
char prog_name[MAX_PROG_FULL_NAME];
struct bpf_prog_info info = {};
+ const char *attach_type_str;
__u32 info_len = sizeof(info);
int prog_fd;
@@ -64,13 +83,13 @@ static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
return -1;
}
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
get_prog_full_name(&info, prog_fd, prog_name, sizeof(prog_name));
if (json_output) {
jsonw_start_object(json_wtr);
jsonw_uint_field(json_wtr, "id", info.id);
- if (attach_type < ARRAY_SIZE(attach_type_name))
- jsonw_string_field(json_wtr, "attach_type",
- attach_type_name[attach_type]);
+ if (attach_type_str)
+ jsonw_string_field(json_wtr, "attach_type", attach_type_str);
else
jsonw_uint_field(json_wtr, "attach_type", attach_type);
jsonw_string_field(json_wtr, "attach_flags",
@@ -79,8 +98,8 @@ static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
jsonw_end_object(json_wtr);
} else {
printf("%s%-8u ", level ? " " : "", info.id);
- if (attach_type < ARRAY_SIZE(attach_type_name))
- printf("%-15s", attach_type_name[attach_type]);
+ if (attach_type_str)
+ printf("%-15s", attach_type_str);
else
printf("type %-10u", attach_type);
printf(" %-15s %-15s\n", attach_flags_str, prog_name);
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index c740142c24d8..a45b42ee8ab0 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -31,52 +31,6 @@
#define BPF_FS_MAGIC 0xcafe4a11
#endif
-const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE] = {
- [BPF_CGROUP_INET_INGRESS] = "ingress",
- [BPF_CGROUP_INET_EGRESS] = "egress",
- [BPF_CGROUP_INET_SOCK_CREATE] = "sock_create",
- [BPF_CGROUP_INET_SOCK_RELEASE] = "sock_release",
- [BPF_CGROUP_SOCK_OPS] = "sock_ops",
- [BPF_CGROUP_DEVICE] = "device",
- [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_INET4_GETPEERNAME] = "getpeername4",
- [BPF_CGROUP_INET6_GETPEERNAME] = "getpeername6",
- [BPF_CGROUP_INET4_GETSOCKNAME] = "getsockname4",
- [BPF_CGROUP_INET6_GETSOCKNAME] = "getsockname6",
- [BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4",
- [BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6",
- [BPF_CGROUP_SYSCTL] = "sysctl",
- [BPF_CGROUP_UDP4_RECVMSG] = "recvmsg4",
- [BPF_CGROUP_UDP6_RECVMSG] = "recvmsg6",
- [BPF_CGROUP_GETSOCKOPT] = "getsockopt",
- [BPF_CGROUP_SETSOCKOPT] = "setsockopt",
- [BPF_SK_SKB_STREAM_PARSER] = "sk_skb_stream_parser",
- [BPF_SK_SKB_STREAM_VERDICT] = "sk_skb_stream_verdict",
- [BPF_SK_SKB_VERDICT] = "sk_skb_verdict",
- [BPF_SK_MSG_VERDICT] = "sk_msg_verdict",
- [BPF_LIRC_MODE2] = "lirc_mode2",
- [BPF_FLOW_DISSECTOR] = "flow_dissector",
- [BPF_TRACE_RAW_TP] = "raw_tp",
- [BPF_TRACE_FENTRY] = "fentry",
- [BPF_TRACE_FEXIT] = "fexit",
- [BPF_MODIFY_RETURN] = "mod_ret",
- [BPF_LSM_MAC] = "lsm_mac",
- [BPF_SK_LOOKUP] = "sk_lookup",
- [BPF_TRACE_ITER] = "trace_iter",
- [BPF_XDP_DEVMAP] = "xdp_devmap",
- [BPF_XDP_CPUMAP] = "xdp_cpumap",
- [BPF_XDP] = "xdp",
- [BPF_SK_REUSEPORT_SELECT] = "sk_skb_reuseport_select",
- [BPF_SK_REUSEPORT_SELECT_OR_MIGRATE] = "sk_skb_reuseport_select_or_migrate",
- [BPF_PERF_EVENT] = "perf_event",
- [BPF_TRACE_KPROBE_MULTI] = "trace_kprobe_multi",
-};
-
void p_err(const char *fmt, ...)
{
va_list ap;
@@ -1009,3 +963,39 @@ bool equal_fn_for_key_as_id(const void *k1, const void *k2, void *ctx)
{
return k1 == k2;
}
+
+const char *bpf_attach_type_input_str(enum bpf_attach_type t)
+{
+ switch (t) {
+ case BPF_CGROUP_INET_INGRESS: return "ingress";
+ case BPF_CGROUP_INET_EGRESS: return "egress";
+ case BPF_CGROUP_INET_SOCK_CREATE: return "sock_create";
+ case BPF_CGROUP_INET_SOCK_RELEASE: return "sock_release";
+ case BPF_CGROUP_SOCK_OPS: return "sock_ops";
+ case BPF_CGROUP_DEVICE: return "device";
+ case BPF_CGROUP_INET4_BIND: return "bind4";
+ case BPF_CGROUP_INET6_BIND: return "bind6";
+ case BPF_CGROUP_INET4_CONNECT: return "connect4";
+ case BPF_CGROUP_INET6_CONNECT: return "connect6";
+ case BPF_CGROUP_INET4_POST_BIND: return "post_bind4";
+ case BPF_CGROUP_INET6_POST_BIND: return "post_bind6";
+ case BPF_CGROUP_INET4_GETPEERNAME: return "getpeername4";
+ case BPF_CGROUP_INET6_GETPEERNAME: return "getpeername6";
+ case BPF_CGROUP_INET4_GETSOCKNAME: return "getsockname4";
+ case BPF_CGROUP_INET6_GETSOCKNAME: return "getsockname6";
+ case BPF_CGROUP_UDP4_SENDMSG: return "sendmsg4";
+ case BPF_CGROUP_UDP6_SENDMSG: return "sendmsg6";
+ case BPF_CGROUP_SYSCTL: return "sysctl";
+ case BPF_CGROUP_UDP4_RECVMSG: return "recvmsg4";
+ case BPF_CGROUP_UDP6_RECVMSG: return "recvmsg6";
+ case BPF_CGROUP_GETSOCKOPT: return "getsockopt";
+ case BPF_CGROUP_SETSOCKOPT: return "setsockopt";
+ case BPF_TRACE_RAW_TP: return "raw_tp";
+ case BPF_TRACE_FENTRY: return "fentry";
+ case BPF_TRACE_FEXIT: return "fexit";
+ case BPF_MODIFY_RETURN: return "mod_ret";
+ case BPF_SK_REUSEPORT_SELECT: return "sk_skb_reuseport_select";
+ case BPF_SK_REUSEPORT_SELECT_OR_MIGRATE: return "sk_skb_reuseport_select_or_migrate";
+ default: return libbpf_bpf_attach_type_str(t);
+ }
+}
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
index d12f46051aac..cc9e4df8c58e 100644
--- a/tools/bpf/bpftool/feature.c
+++ b/tools/bpf/bpftool/feature.c
@@ -548,8 +548,8 @@ static bool probe_prog_type_ifindex(enum bpf_prog_type prog_type, __u32 ifindex)
}
static void
-probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types,
- const char *define_prefix, __u32 ifindex)
+probe_prog_type(enum bpf_prog_type prog_type, const char *prog_type_str,
+ bool *supported_types, const char *define_prefix, __u32 ifindex)
{
char feat_name[128], plain_desc[128], define_name[128];
const char *plain_comment = "eBPF program_type ";
@@ -580,20 +580,16 @@ probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types,
supported_types[prog_type] |= res;
- if (!prog_type_name[prog_type]) {
- p_info("program type name not found (type %d)", prog_type);
- return;
- }
maxlen = sizeof(plain_desc) - strlen(plain_comment) - 1;
- if (strlen(prog_type_name[prog_type]) > maxlen) {
+ if (strlen(prog_type_str) > maxlen) {
p_info("program type name too long");
return;
}
- sprintf(feat_name, "have_%s_prog_type", prog_type_name[prog_type]);
- sprintf(define_name, "%s_prog_type", prog_type_name[prog_type]);
+ sprintf(feat_name, "have_%s_prog_type", prog_type_str);
+ sprintf(define_name, "%s_prog_type", prog_type_str);
uppercase(define_name, sizeof(define_name));
- sprintf(plain_desc, "%s%s", plain_comment, prog_type_name[prog_type]);
+ sprintf(plain_desc, "%s%s", plain_comment, prog_type_str);
print_bool_feature(feat_name, plain_desc, define_name, res,
define_prefix);
}
@@ -619,8 +615,8 @@ static bool probe_map_type_ifindex(enum bpf_map_type map_type, __u32 ifindex)
}
static void
-probe_map_type(enum bpf_map_type map_type, const char *define_prefix,
- __u32 ifindex)
+probe_map_type(enum bpf_map_type map_type, char const *map_type_str,
+ const char *define_prefix, __u32 ifindex)
{
char feat_name[128], plain_desc[128], define_name[128];
const char *plain_comment = "eBPF map_type ";
@@ -645,20 +641,16 @@ probe_map_type(enum bpf_map_type map_type, const char *define_prefix,
* check required for unprivileged users
*/
- if (!map_type_name[map_type]) {
- p_info("map type name not found (type %d)", map_type);
- return;
- }
maxlen = sizeof(plain_desc) - strlen(plain_comment) - 1;
- if (strlen(map_type_name[map_type]) > maxlen) {
+ if (strlen(map_type_str) > maxlen) {
p_info("map type name too long");
return;
}
- sprintf(feat_name, "have_%s_map_type", map_type_name[map_type]);
- sprintf(define_name, "%s_map_type", map_type_name[map_type]);
+ sprintf(feat_name, "have_%s_map_type", map_type_str);
+ sprintf(define_name, "%s_map_type", map_type_str);
uppercase(define_name, sizeof(define_name));
- sprintf(plain_desc, "%s%s", plain_comment, map_type_name[map_type]);
+ sprintf(plain_desc, "%s%s", plain_comment, map_type_str);
print_bool_feature(feat_name, plain_desc, define_name, res,
define_prefix);
}
@@ -728,10 +720,10 @@ probe_helper_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
}
static void
-probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
+probe_helpers_for_progtype(enum bpf_prog_type prog_type,
+ const char *prog_type_str, bool supported_type,
const char *define_prefix, __u32 ifindex)
{
- const char *ptype_name = prog_type_name[prog_type];
char feat_name[128];
unsigned int id;
bool probe_res = false;
@@ -747,12 +739,12 @@ probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
}
if (json_output) {
- sprintf(feat_name, "%s_available_helpers", ptype_name);
+ sprintf(feat_name, "%s_available_helpers", prog_type_str);
jsonw_name(json_wtr, feat_name);
jsonw_start_array(json_wtr);
} else if (!define_prefix) {
printf("eBPF helpers supported for program type %s:",
- ptype_name);
+ prog_type_str);
}
for (id = 1; id < ARRAY_SIZE(helper_name); id++) {
@@ -768,7 +760,7 @@ probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
/* fallthrough */
default:
probe_res |= probe_helper_for_progtype(prog_type, supported_type,
- define_prefix, id, ptype_name,
+ define_prefix, id, prog_type_str,
ifindex);
}
}
@@ -943,30 +935,47 @@ static void
section_program_types(bool *supported_types, const char *define_prefix,
__u32 ifindex)
{
- unsigned int i;
+ unsigned int prog_type = BPF_PROG_TYPE_UNSPEC;
+ const char *prog_type_str;
print_start_section("program_types",
"Scanning eBPF program types...",
"/*** eBPF program types ***/",
define_prefix);
- for (i = BPF_PROG_TYPE_UNSPEC + 1; i < prog_type_name_size; i++)
- probe_prog_type(i, supported_types, define_prefix, ifindex);
+ while (true) {
+ prog_type++;
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!prog_type_str)
+ break;
+
+ probe_prog_type(prog_type, prog_type_str, supported_types, define_prefix,
+ ifindex);
+ }
print_end_section();
}
static void section_map_types(const char *define_prefix, __u32 ifindex)
{
- unsigned int i;
+ unsigned int map_type = BPF_MAP_TYPE_UNSPEC;
+ const char *map_type_str;
print_start_section("map_types",
"Scanning eBPF map types...",
"/*** eBPF map types ***/",
define_prefix);
- for (i = BPF_MAP_TYPE_UNSPEC + 1; i < map_type_name_size; i++)
- probe_map_type(i, define_prefix, ifindex);
+ while (true) {
+ map_type++;
+ map_type_str = libbpf_bpf_map_type_str(map_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!map_type_str)
+ break;
+
+ probe_map_type(map_type, map_type_str, define_prefix, ifindex);
+ }
print_end_section();
}
@@ -974,7 +983,8 @@ static void section_map_types(const char *define_prefix, __u32 ifindex)
static void
section_helpers(bool *supported_types, const char *define_prefix, __u32 ifindex)
{
- unsigned int i;
+ unsigned int prog_type = BPF_PROG_TYPE_UNSPEC;
+ const char *prog_type_str;
print_start_section("helpers",
"Scanning eBPF helper functions...",
@@ -996,9 +1006,18 @@ section_helpers(bool *supported_types, const char *define_prefix, __u32 ifindex)
" %sBPF__PROG_TYPE_ ## prog_type ## __HELPER_ ## helper\n",
define_prefix, define_prefix, define_prefix,
define_prefix);
- for (i = BPF_PROG_TYPE_UNSPEC + 1; i < prog_type_name_size; i++)
- probe_helpers_for_progtype(i, supported_types[i], define_prefix,
+ while (true) {
+ prog_type++;
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!prog_type_str)
+ break;
+
+ probe_helpers_for_progtype(prog_type, prog_type_str,
+ supported_types[prog_type],
+ define_prefix,
ifindex);
+ }
print_end_section();
}
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index 6353a789322b..7a20931c3250 100644
--- a/tools/bpf/bpftool/link.c
+++ b/tools/bpf/bpftool/link.c
@@ -13,19 +13,6 @@
#include "json_writer.h"
#include "main.h"
-static const char * const link_type_name[] = {
- [BPF_LINK_TYPE_UNSPEC] = "unspec",
- [BPF_LINK_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
- [BPF_LINK_TYPE_TRACING] = "tracing",
- [BPF_LINK_TYPE_CGROUP] = "cgroup",
- [BPF_LINK_TYPE_ITER] = "iter",
- [BPF_LINK_TYPE_NETNS] = "netns",
- [BPF_LINK_TYPE_XDP] = "xdp",
- [BPF_LINK_TYPE_PERF_EVENT] = "perf_event",
- [BPF_LINK_TYPE_KPROBE_MULTI] = "kprobe_multi",
- [BPF_LINK_TYPE_STRUCT_OPS] = "struct_ops",
-};
-
static struct hashmap *link_table;
static int link_parse_fd(int *argc, char ***argv)
@@ -67,9 +54,12 @@ static int link_parse_fd(int *argc, char ***argv)
static void
show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
{
+ const char *link_type_str;
+
jsonw_uint_field(wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(link_type_name))
- jsonw_string_field(wtr, "type", link_type_name[info->type]);
+ link_type_str = libbpf_bpf_link_type_str(info->type);
+ if (link_type_str)
+ jsonw_string_field(wtr, "type", link_type_str);
else
jsonw_uint_field(wtr, "type", info->type);
@@ -78,9 +68,11 @@ show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
static void show_link_attach_type_json(__u32 attach_type, json_writer_t *wtr)
{
- if (attach_type < ARRAY_SIZE(attach_type_name))
- jsonw_string_field(wtr, "attach_type",
- attach_type_name[attach_type]);
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+ if (attach_type_str)
+ jsonw_string_field(wtr, "attach_type", attach_type_str);
else
jsonw_uint_field(wtr, "attach_type", attach_type);
}
@@ -121,6 +113,7 @@ static int get_prog_info(int prog_id, struct bpf_prog_info *info)
static int show_link_close_json(int fd, struct bpf_link_info *info)
{
struct bpf_prog_info prog_info;
+ const char *prog_type_str;
int err;
jsonw_start_object(json_wtr);
@@ -137,12 +130,12 @@ static int show_link_close_json(int fd, struct bpf_link_info *info)
if (err)
return err;
- if (prog_info.type < prog_type_name_size)
- jsonw_string_field(json_wtr, "prog_type",
- prog_type_name[prog_info.type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_info.type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (prog_type_str)
+ jsonw_string_field(json_wtr, "prog_type", prog_type_str);
else
- jsonw_uint_field(json_wtr, "prog_type",
- prog_info.type);
+ jsonw_uint_field(json_wtr, "prog_type", prog_info.type);
show_link_attach_type_json(info->tracing.attach_type,
json_wtr);
@@ -184,9 +177,12 @@ static int show_link_close_json(int fd, struct bpf_link_info *info)
static void show_link_header_plain(struct bpf_link_info *info)
{
+ const char *link_type_str;
+
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(link_type_name))
- printf("%s ", link_type_name[info->type]);
+ link_type_str = libbpf_bpf_link_type_str(info->type);
+ if (link_type_str)
+ printf("%s ", link_type_str);
else
printf("type %u ", info->type);
@@ -195,8 +191,11 @@ static void show_link_header_plain(struct bpf_link_info *info)
static void show_link_attach_type_plain(__u32 attach_type)
{
- if (attach_type < ARRAY_SIZE(attach_type_name))
- printf("attach_type %s ", attach_type_name[attach_type]);
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+ if (attach_type_str)
+ printf("attach_type %s ", attach_type_str);
else
printf("attach_type %u ", attach_type);
}
@@ -214,6 +213,7 @@ static void show_iter_plain(struct bpf_link_info *info)
static int show_link_close_plain(int fd, struct bpf_link_info *info)
{
struct bpf_prog_info prog_info;
+ const char *prog_type_str;
int err;
show_link_header_plain(info);
@@ -228,9 +228,10 @@ static int show_link_close_plain(int fd, struct bpf_link_info *info)
if (err)
return err;
- if (prog_info.type < prog_type_name_size)
- printf("\n\tprog_type %s ",
- prog_type_name[prog_info.type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_info.type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (prog_type_str)
+ printf("\n\tprog_type %s ", prog_type_str);
else
printf("\n\tprog_type %u ", prog_info.type);
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index aa99ffab451a..6c311f47147e 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -63,14 +63,8 @@ static inline void *u64_to_ptr(__u64 ptr)
#define HELP_SPEC_LINK \
"LINK := { id LINK_ID | pinned FILE }"
-extern const char * const prog_type_name[];
-extern const size_t prog_type_name_size;
-
extern const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE];
-extern const char * const map_type_name[];
-extern const size_t map_type_name_size;
-
/* keep in sync with the definition in skeleton/pid_iter.bpf.c */
enum bpf_obj_type {
BPF_OBJ_UNKNOWN,
@@ -249,6 +243,20 @@ int print_all_levels(__maybe_unused enum libbpf_print_level level,
size_t hash_fn_for_key_as_id(const void *key, void *ctx);
bool equal_fn_for_key_as_id(const void *k1, const void *k2, void *ctx);
+/* bpf_attach_type_input_str - convert the provided attach type value into a
+ * textual representation that we accept for input purposes.
+ *
+ * This function is similar in nature to libbpf_bpf_attach_type_str, but
+ * recognizes some attach type names that have been used by the program in the
+ * past and which do not follow the string inference scheme that libbpf uses.
+ * These textual representations should only be used for user input.
+ *
+ * @t: The attach type
+ * Returns a pointer to a static string identifying the attach type. NULL is
+ * returned for unknown bpf_attach_type values.
+ */
+const char *bpf_attach_type_input_str(enum bpf_attach_type t);
+
static inline void *u32_as_hash_field(__u32 x)
{
return (void *)(uintptr_t)x;
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 877387ef79c7..800834be1bcb 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -22,42 +22,6 @@
#include "json_writer.h"
#include "main.h"
-const char * const map_type_name[] = {
- [BPF_MAP_TYPE_UNSPEC] = "unspec",
- [BPF_MAP_TYPE_HASH] = "hash",
- [BPF_MAP_TYPE_ARRAY] = "array",
- [BPF_MAP_TYPE_PROG_ARRAY] = "prog_array",
- [BPF_MAP_TYPE_PERF_EVENT_ARRAY] = "perf_event_array",
- [BPF_MAP_TYPE_PERCPU_HASH] = "percpu_hash",
- [BPF_MAP_TYPE_PERCPU_ARRAY] = "percpu_array",
- [BPF_MAP_TYPE_STACK_TRACE] = "stack_trace",
- [BPF_MAP_TYPE_CGROUP_ARRAY] = "cgroup_array",
- [BPF_MAP_TYPE_LRU_HASH] = "lru_hash",
- [BPF_MAP_TYPE_LRU_PERCPU_HASH] = "lru_percpu_hash",
- [BPF_MAP_TYPE_LPM_TRIE] = "lpm_trie",
- [BPF_MAP_TYPE_ARRAY_OF_MAPS] = "array_of_maps",
- [BPF_MAP_TYPE_HASH_OF_MAPS] = "hash_of_maps",
- [BPF_MAP_TYPE_DEVMAP] = "devmap",
- [BPF_MAP_TYPE_DEVMAP_HASH] = "devmap_hash",
- [BPF_MAP_TYPE_SOCKMAP] = "sockmap",
- [BPF_MAP_TYPE_CPUMAP] = "cpumap",
- [BPF_MAP_TYPE_XSKMAP] = "xskmap",
- [BPF_MAP_TYPE_SOCKHASH] = "sockhash",
- [BPF_MAP_TYPE_CGROUP_STORAGE] = "cgroup_storage",
- [BPF_MAP_TYPE_REUSEPORT_SOCKARRAY] = "reuseport_sockarray",
- [BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE] = "percpu_cgroup_storage",
- [BPF_MAP_TYPE_QUEUE] = "queue",
- [BPF_MAP_TYPE_STACK] = "stack",
- [BPF_MAP_TYPE_SK_STORAGE] = "sk_storage",
- [BPF_MAP_TYPE_STRUCT_OPS] = "struct_ops",
- [BPF_MAP_TYPE_RINGBUF] = "ringbuf",
- [BPF_MAP_TYPE_INODE_STORAGE] = "inode_storage",
- [BPF_MAP_TYPE_TASK_STORAGE] = "task_storage",
- [BPF_MAP_TYPE_BLOOM_FILTER] = "bloom_filter",
-};
-
-const size_t map_type_name_size = ARRAY_SIZE(map_type_name);
-
static struct hashmap *map_table;
static bool map_is_per_cpu(__u32 type)
@@ -81,12 +45,18 @@ static bool map_is_map_of_progs(__u32 type)
static int map_type_from_str(const char *type)
{
+ const char *map_type_str;
unsigned int i;
- for (i = 0; i < ARRAY_SIZE(map_type_name); i++)
+ for (i = 0; ; i++) {
+ map_type_str = libbpf_bpf_map_type_str(i);
+ if (!map_type_str)
+ break;
+
/* Don't allow prefixing in case of possible future shadowing */
- if (map_type_name[i] && !strcmp(map_type_name[i], type))
+ if (!strcmp(map_type_str, type))
return i;
+ }
return -1;
}
@@ -472,9 +442,12 @@ static int parse_elem(char **argv, struct bpf_map_info *info,
static void show_map_header_json(struct bpf_map_info *info, json_writer_t *wtr)
{
+ const char *map_type_str;
+
jsonw_uint_field(wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(map_type_name))
- jsonw_string_field(wtr, "type", map_type_name[info->type]);
+ map_type_str = libbpf_bpf_map_type_str(info->type);
+ if (map_type_str)
+ jsonw_string_field(wtr, "type", map_type_str);
else
jsonw_uint_field(wtr, "type", info->type);
@@ -513,10 +486,12 @@ static int show_map_close_json(int fd, struct bpf_map_info *info)
if (owner_prog_type) {
unsigned int prog_type = atoi(owner_prog_type);
+ const char *prog_type_str;
- if (prog_type < prog_type_name_size)
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ if (prog_type_str)
jsonw_string_field(json_wtr, "owner_prog_type",
- prog_type_name[prog_type]);
+ prog_type_str);
else
jsonw_uint_field(json_wtr, "owner_prog_type",
prog_type);
@@ -559,9 +534,13 @@ static int show_map_close_json(int fd, struct bpf_map_info *info)
static void show_map_header_plain(struct bpf_map_info *info)
{
+ const char *map_type_str;
+
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(map_type_name))
- printf("%s ", map_type_name[info->type]);
+
+ map_type_str = libbpf_bpf_map_type_str(info->type);
+ if (map_type_str)
+ printf("%s ", map_type_str);
else
printf("type %u ", info->type);
@@ -597,10 +576,11 @@ static int show_map_close_plain(int fd, struct bpf_map_info *info)
printf("\n\t");
if (owner_prog_type) {
unsigned int prog_type = atoi(owner_prog_type);
+ const char *prog_type_str;
- if (prog_type < prog_type_name_size)
- printf("owner_prog_type %s ",
- prog_type_name[prog_type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ if (prog_type_str)
+ printf("owner_prog_type %s ", prog_type_str);
else
printf("owner_prog_type %d ", prog_type);
}
@@ -876,9 +856,13 @@ map_dump(int fd, struct bpf_map_info *info, json_writer_t *wtr,
}
if (info->type == BPF_MAP_TYPE_REUSEPORT_SOCKARRAY &&
- info->value_size != 8)
+ info->value_size != 8) {
+ const char *map_type_str;
+
+ map_type_str = libbpf_bpf_map_type_str(info->type);
p_info("Warning: cannot read values from %s map with value_size != 8",
- map_type_name[info->type]);
+ map_type_str);
+ }
while (true) {
err = bpf_map_get_next_key(fd, prev_key, key);
if (err) {
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 5c2c63df92e8..e71f0b2da50b 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -36,54 +36,28 @@
#define BPF_METADATA_PREFIX "bpf_metadata_"
#define BPF_METADATA_PREFIX_LEN (sizeof(BPF_METADATA_PREFIX) - 1)
-const char * const prog_type_name[] = {
- [BPF_PROG_TYPE_UNSPEC] = "unspec",
- [BPF_PROG_TYPE_SOCKET_FILTER] = "socket_filter",
- [BPF_PROG_TYPE_KPROBE] = "kprobe",
- [BPF_PROG_TYPE_SCHED_CLS] = "sched_cls",
- [BPF_PROG_TYPE_SCHED_ACT] = "sched_act",
- [BPF_PROG_TYPE_TRACEPOINT] = "tracepoint",
- [BPF_PROG_TYPE_XDP] = "xdp",
- [BPF_PROG_TYPE_PERF_EVENT] = "perf_event",
- [BPF_PROG_TYPE_CGROUP_SKB] = "cgroup_skb",
- [BPF_PROG_TYPE_CGROUP_SOCK] = "cgroup_sock",
- [BPF_PROG_TYPE_LWT_IN] = "lwt_in",
- [BPF_PROG_TYPE_LWT_OUT] = "lwt_out",
- [BPF_PROG_TYPE_LWT_XMIT] = "lwt_xmit",
- [BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
- [BPF_PROG_TYPE_SK_SKB] = "sk_skb",
- [BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
- [BPF_PROG_TYPE_SK_MSG] = "sk_msg",
- [BPF_PROG_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
- [BPF_PROG_TYPE_CGROUP_SOCK_ADDR] = "cgroup_sock_addr",
- [BPF_PROG_TYPE_LWT_SEG6LOCAL] = "lwt_seg6local",
- [BPF_PROG_TYPE_LIRC_MODE2] = "lirc_mode2",
- [BPF_PROG_TYPE_SK_REUSEPORT] = "sk_reuseport",
- [BPF_PROG_TYPE_FLOW_DISSECTOR] = "flow_dissector",
- [BPF_PROG_TYPE_CGROUP_SYSCTL] = "cgroup_sysctl",
- [BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE] = "raw_tracepoint_writable",
- [BPF_PROG_TYPE_CGROUP_SOCKOPT] = "cgroup_sockopt",
- [BPF_PROG_TYPE_TRACING] = "tracing",
- [BPF_PROG_TYPE_STRUCT_OPS] = "struct_ops",
- [BPF_PROG_TYPE_EXT] = "ext",
- [BPF_PROG_TYPE_LSM] = "lsm",
- [BPF_PROG_TYPE_SK_LOOKUP] = "sk_lookup",
- [BPF_PROG_TYPE_SYSCALL] = "syscall",
-};
-
-const size_t prog_type_name_size = ARRAY_SIZE(prog_type_name);
-
enum dump_mode {
DUMP_JITED,
DUMP_XLATED,
};
+static const bool attach_types[] = {
+ [BPF_SK_SKB_STREAM_PARSER] = true,
+ [BPF_SK_SKB_STREAM_VERDICT] = true,
+ [BPF_SK_SKB_VERDICT] = true,
+ [BPF_SK_MSG_VERDICT] = true,
+ [BPF_FLOW_DISSECTOR] = true,
+ [__MAX_BPF_ATTACH_TYPE] = false,
+};
+
+/* Textual representations traditionally used by the program and kept around
+ * for the sake of backwards compatibility.
+ */
static const char * const attach_type_strings[] = {
[BPF_SK_SKB_STREAM_PARSER] = "stream_parser",
[BPF_SK_SKB_STREAM_VERDICT] = "stream_verdict",
[BPF_SK_SKB_VERDICT] = "skb_verdict",
[BPF_SK_MSG_VERDICT] = "msg_verdict",
- [BPF_FLOW_DISSECTOR] = "flow_dissector",
[__MAX_BPF_ATTACH_TYPE] = NULL,
};
@@ -94,6 +68,14 @@ static enum bpf_attach_type parse_attach_type(const char *str)
enum bpf_attach_type type;
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
+ if (attach_types[type]) {
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(type);
+ if (!strcmp(str, attach_type_str))
+ return type;
+ }
+
if (attach_type_strings[type] &&
is_prefix(str, attach_type_strings[type]))
return type;
@@ -428,12 +410,14 @@ out_free:
static void print_prog_header_json(struct bpf_prog_info *info, int fd)
{
+ const char *prog_type_str;
char prog_name[MAX_PROG_FULL_NAME];
jsonw_uint_field(json_wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(prog_type_name))
- jsonw_string_field(json_wtr, "type",
- prog_type_name[info->type]);
+ prog_type_str = libbpf_bpf_prog_type_str(info->type);
+
+ if (prog_type_str)
+ jsonw_string_field(json_wtr, "type", prog_type_str);
else
jsonw_uint_field(json_wtr, "type", info->type);
@@ -515,11 +499,13 @@ static void print_prog_json(struct bpf_prog_info *info, int fd)
static void print_prog_header_plain(struct bpf_prog_info *info, int fd)
{
+ const char *prog_type_str;
char prog_name[MAX_PROG_FULL_NAME];
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(prog_type_name))
- printf("%s ", prog_type_name[info->type]);
+ prog_type_str = libbpf_bpf_prog_type_str(info->type);
+ if (prog_type_str)
+ printf("%s ", prog_type_str);
else
printf("type %u ", info->type);
@@ -2374,8 +2360,8 @@ static int do_help(int argc, char **argv)
" cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
" cgroup/getsockopt | cgroup/setsockopt | cgroup/sock_release |\n"
" struct_ops | fentry | fexit | freplace | sk_lookup }\n"
- " ATTACH_TYPE := { msg_verdict | skb_verdict | stream_verdict |\n"
- " stream_parser | flow_dissector }\n"
+ " ATTACH_TYPE := { sk_msg_verdict | sk_skb_verdict | sk_skb_stream_verdict |\n"
+ " sk_skb_stream_parser | flow_dissector }\n"
" METRIC := { cycles | instructions | l1d_loads | llc_misses | itlb_misses | dtlb_misses }\n"
" " HELP_SPEC_OPTIONS " |\n"
" {-f|--bpffs} | {-m|--mapcompat} | {-n|--nomount} |\n"
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index e89cc9c885b3..5afe4cbd684f 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -72,6 +72,134 @@
static struct bpf_map *bpf_object__add_map(struct bpf_object *obj);
static bool prog_is_subprog(const struct bpf_object *obj, const struct bpf_program *prog);
+static const char * const attach_type_name[] = {
+ [BPF_CGROUP_INET_INGRESS] = "cgroup_inet_ingress",
+ [BPF_CGROUP_INET_EGRESS] = "cgroup_inet_egress",
+ [BPF_CGROUP_INET_SOCK_CREATE] = "cgroup_inet_sock_create",
+ [BPF_CGROUP_INET_SOCK_RELEASE] = "cgroup_inet_sock_release",
+ [BPF_CGROUP_SOCK_OPS] = "cgroup_sock_ops",
+ [BPF_CGROUP_DEVICE] = "cgroup_device",
+ [BPF_CGROUP_INET4_BIND] = "cgroup_inet4_bind",
+ [BPF_CGROUP_INET6_BIND] = "cgroup_inet6_bind",
+ [BPF_CGROUP_INET4_CONNECT] = "cgroup_inet4_connect",
+ [BPF_CGROUP_INET6_CONNECT] = "cgroup_inet6_connect",
+ [BPF_CGROUP_INET4_POST_BIND] = "cgroup_inet4_post_bind",
+ [BPF_CGROUP_INET6_POST_BIND] = "cgroup_inet6_post_bind",
+ [BPF_CGROUP_INET4_GETPEERNAME] = "cgroup_inet4_getpeername",
+ [BPF_CGROUP_INET6_GETPEERNAME] = "cgroup_inet6_getpeername",
+ [BPF_CGROUP_INET4_GETSOCKNAME] = "cgroup_inet4_getsockname",
+ [BPF_CGROUP_INET6_GETSOCKNAME] = "cgroup_inet6_getsockname",
+ [BPF_CGROUP_UDP4_SENDMSG] = "cgroup_udp4_sendmsg",
+ [BPF_CGROUP_UDP6_SENDMSG] = "cgroup_udp6_sendmsg",
+ [BPF_CGROUP_SYSCTL] = "cgroup_sysctl",
+ [BPF_CGROUP_UDP4_RECVMSG] = "cgroup_udp4_recvmsg",
+ [BPF_CGROUP_UDP6_RECVMSG] = "cgroup_udp6_recvmsg",
+ [BPF_CGROUP_GETSOCKOPT] = "cgroup_getsockopt",
+ [BPF_CGROUP_SETSOCKOPT] = "cgroup_setsockopt",
+ [BPF_SK_SKB_STREAM_PARSER] = "sk_skb_stream_parser",
+ [BPF_SK_SKB_STREAM_VERDICT] = "sk_skb_stream_verdict",
+ [BPF_SK_SKB_VERDICT] = "sk_skb_verdict",
+ [BPF_SK_MSG_VERDICT] = "sk_msg_verdict",
+ [BPF_LIRC_MODE2] = "lirc_mode2",
+ [BPF_FLOW_DISSECTOR] = "flow_dissector",
+ [BPF_TRACE_RAW_TP] = "trace_raw_tp",
+ [BPF_TRACE_FENTRY] = "trace_fentry",
+ [BPF_TRACE_FEXIT] = "trace_fexit",
+ [BPF_MODIFY_RETURN] = "modify_return",
+ [BPF_LSM_MAC] = "lsm_mac",
+ [BPF_SK_LOOKUP] = "sk_lookup",
+ [BPF_TRACE_ITER] = "trace_iter",
+ [BPF_XDP_DEVMAP] = "xdp_devmap",
+ [BPF_XDP_CPUMAP] = "xdp_cpumap",
+ [BPF_XDP] = "xdp",
+ [BPF_SK_REUSEPORT_SELECT] = "sk_reuseport_select",
+ [BPF_SK_REUSEPORT_SELECT_OR_MIGRATE] = "sk_reuseport_select_or_migrate",
+ [BPF_PERF_EVENT] = "perf_event",
+ [BPF_TRACE_KPROBE_MULTI] = "trace_kprobe_multi",
+};
+
+static const char * const link_type_name[] = {
+ [BPF_LINK_TYPE_UNSPEC] = "unspec",
+ [BPF_LINK_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
+ [BPF_LINK_TYPE_TRACING] = "tracing",
+ [BPF_LINK_TYPE_CGROUP] = "cgroup",
+ [BPF_LINK_TYPE_ITER] = "iter",
+ [BPF_LINK_TYPE_NETNS] = "netns",
+ [BPF_LINK_TYPE_XDP] = "xdp",
+ [BPF_LINK_TYPE_PERF_EVENT] = "perf_event",
+ [BPF_LINK_TYPE_KPROBE_MULTI] = "kprobe_multi",
+ [BPF_LINK_TYPE_STRUCT_OPS] = "struct_ops",
+};
+
+static const char * const map_type_name[] = {
+ [BPF_MAP_TYPE_UNSPEC] = "unspec",
+ [BPF_MAP_TYPE_HASH] = "hash",
+ [BPF_MAP_TYPE_ARRAY] = "array",
+ [BPF_MAP_TYPE_PROG_ARRAY] = "prog_array",
+ [BPF_MAP_TYPE_PERF_EVENT_ARRAY] = "perf_event_array",
+ [BPF_MAP_TYPE_PERCPU_HASH] = "percpu_hash",
+ [BPF_MAP_TYPE_PERCPU_ARRAY] = "percpu_array",
+ [BPF_MAP_TYPE_STACK_TRACE] = "stack_trace",
+ [BPF_MAP_TYPE_CGROUP_ARRAY] = "cgroup_array",
+ [BPF_MAP_TYPE_LRU_HASH] = "lru_hash",
+ [BPF_MAP_TYPE_LRU_PERCPU_HASH] = "lru_percpu_hash",
+ [BPF_MAP_TYPE_LPM_TRIE] = "lpm_trie",
+ [BPF_MAP_TYPE_ARRAY_OF_MAPS] = "array_of_maps",
+ [BPF_MAP_TYPE_HASH_OF_MAPS] = "hash_of_maps",
+ [BPF_MAP_TYPE_DEVMAP] = "devmap",
+ [BPF_MAP_TYPE_DEVMAP_HASH] = "devmap_hash",
+ [BPF_MAP_TYPE_SOCKMAP] = "sockmap",
+ [BPF_MAP_TYPE_CPUMAP] = "cpumap",
+ [BPF_MAP_TYPE_XSKMAP] = "xskmap",
+ [BPF_MAP_TYPE_SOCKHASH] = "sockhash",
+ [BPF_MAP_TYPE_CGROUP_STORAGE] = "cgroup_storage",
+ [BPF_MAP_TYPE_REUSEPORT_SOCKARRAY] = "reuseport_sockarray",
+ [BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE] = "percpu_cgroup_storage",
+ [BPF_MAP_TYPE_QUEUE] = "queue",
+ [BPF_MAP_TYPE_STACK] = "stack",
+ [BPF_MAP_TYPE_SK_STORAGE] = "sk_storage",
+ [BPF_MAP_TYPE_STRUCT_OPS] = "struct_ops",
+ [BPF_MAP_TYPE_RINGBUF] = "ringbuf",
+ [BPF_MAP_TYPE_INODE_STORAGE] = "inode_storage",
+ [BPF_MAP_TYPE_TASK_STORAGE] = "task_storage",
+ [BPF_MAP_TYPE_BLOOM_FILTER] = "bloom_filter",
+};
+
+static const char * const prog_type_name[] = {
+ [BPF_PROG_TYPE_UNSPEC] = "unspec",
+ [BPF_PROG_TYPE_SOCKET_FILTER] = "socket_filter",
+ [BPF_PROG_TYPE_KPROBE] = "kprobe",
+ [BPF_PROG_TYPE_SCHED_CLS] = "sched_cls",
+ [BPF_PROG_TYPE_SCHED_ACT] = "sched_act",
+ [BPF_PROG_TYPE_TRACEPOINT] = "tracepoint",
+ [BPF_PROG_TYPE_XDP] = "xdp",
+ [BPF_PROG_TYPE_PERF_EVENT] = "perf_event",
+ [BPF_PROG_TYPE_CGROUP_SKB] = "cgroup_skb",
+ [BPF_PROG_TYPE_CGROUP_SOCK] = "cgroup_sock",
+ [BPF_PROG_TYPE_LWT_IN] = "lwt_in",
+ [BPF_PROG_TYPE_LWT_OUT] = "lwt_out",
+ [BPF_PROG_TYPE_LWT_XMIT] = "lwt_xmit",
+ [BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
+ [BPF_PROG_TYPE_SK_SKB] = "sk_skb",
+ [BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
+ [BPF_PROG_TYPE_SK_MSG] = "sk_msg",
+ [BPF_PROG_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
+ [BPF_PROG_TYPE_CGROUP_SOCK_ADDR] = "cgroup_sock_addr",
+ [BPF_PROG_TYPE_LWT_SEG6LOCAL] = "lwt_seg6local",
+ [BPF_PROG_TYPE_LIRC_MODE2] = "lirc_mode2",
+ [BPF_PROG_TYPE_SK_REUSEPORT] = "sk_reuseport",
+ [BPF_PROG_TYPE_FLOW_DISSECTOR] = "flow_dissector",
+ [BPF_PROG_TYPE_CGROUP_SYSCTL] = "cgroup_sysctl",
+ [BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE] = "raw_tracepoint_writable",
+ [BPF_PROG_TYPE_CGROUP_SOCKOPT] = "cgroup_sockopt",
+ [BPF_PROG_TYPE_TRACING] = "tracing",
+ [BPF_PROG_TYPE_STRUCT_OPS] = "struct_ops",
+ [BPF_PROG_TYPE_EXT] = "ext",
+ [BPF_PROG_TYPE_LSM] = "lsm",
+ [BPF_PROG_TYPE_SK_LOOKUP] = "sk_lookup",
+ [BPF_PROG_TYPE_SYSCALL] = "syscall",
+};
+
static int __base_pr(enum libbpf_print_level level, const char *format,
va_list args)
{
@@ -9300,6 +9428,38 @@ int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type,
return libbpf_err(-ESRCH);
}
+const char *libbpf_bpf_attach_type_str(enum bpf_attach_type t)
+{
+ if (t < 0 || t >= ARRAY_SIZE(attach_type_name))
+ return NULL;
+
+ return attach_type_name[t];
+}
+
+const char *libbpf_bpf_link_type_str(enum bpf_link_type t)
+{
+ if (t < 0 || t >= ARRAY_SIZE(link_type_name))
+ return NULL;
+
+ return link_type_name[t];
+}
+
+const char *libbpf_bpf_map_type_str(enum bpf_map_type t)
+{
+ if (t < 0 || t >= ARRAY_SIZE(map_type_name))
+ return NULL;
+
+ return map_type_name[t];
+}
+
+const char *libbpf_bpf_prog_type_str(enum bpf_prog_type t)
+{
+ if (t < 0 || t >= ARRAY_SIZE(prog_type_name))
+ return NULL;
+
+ return prog_type_name[t];
+}
+
static struct bpf_map *find_struct_ops_map_by_offset(struct bpf_object *obj,
size_t offset)
{
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 9e9a3fd3edd8..5b34ca5bed42 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -51,6 +51,42 @@ enum libbpf_errno {
LIBBPF_API int libbpf_strerror(int err, char *buf, size_t size);
+/**
+ * @brief **libbpf_bpf_attach_type_str()** converts the provided attach type
+ * value into a textual representation.
+ * @param t The attach type.
+ * @return Pointer to a static string identifying the attach type. NULL is
+ * returned for unknown **bpf_attach_type** values.
+ */
+LIBBPF_API const char *libbpf_bpf_attach_type_str(enum bpf_attach_type t);
+
+/**
+ * @brief **libbpf_bpf_link_type_str()** converts the provided link type value
+ * into a textual representation.
+ * @param t The link type.
+ * @return Pointer to a static string identifying the link type. NULL is
+ * returned for unknown **bpf_link_type** values.
+ */
+LIBBPF_API const char *libbpf_bpf_link_type_str(enum bpf_link_type t);
+
+/**
+ * @brief **libbpf_bpf_map_type_str()** converts the provided map type value
+ * into a textual representation.
+ * @param t The map type.
+ * @return Pointer to a static string identifying the map type. NULL is
+ * returned for unknown **bpf_map_type** values.
+ */
+LIBBPF_API const char *libbpf_bpf_map_type_str(enum bpf_map_type t);
+
+/**
+ * @brief **libbpf_bpf_prog_type_str()** converts the provided program type
+ * value into a textual representation.
+ * @param t The program type.
+ * @return Pointer to a static string identifying the program type. NULL is
+ * returned for unknown **bpf_prog_type** values.
+ */
+LIBBPF_API const char *libbpf_bpf_prog_type_str(enum bpf_prog_type t);
+
enum libbpf_print_level {
LIBBPF_WARN,
LIBBPF_INFO,
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index 52973cffc20c..38e284ff057d 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -461,5 +461,11 @@ LIBBPF_0.8.0 {
} LIBBPF_0.7.0;
LIBBPF_1.0.0 {
+ global:
+ libbpf_bpf_attach_type_str;
+ libbpf_bpf_link_type_str;
+ libbpf_bpf_map_type_str;
+ libbpf_bpf_prog_type_str;
+
local: *;
};
diff --git a/tools/testing/selftests/bpf/prog_tests/libbpf_str.c b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
new file mode 100644
index 000000000000..93e9cddaadcf
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/libbpf_str.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
+
+#include <ctype.h>
+#include <test_progs.h>
+#include <bpf/btf.h>
+
+/*
+ * Utility function uppercasing an entire string.
+ */
+static void uppercase(char *s)
+{
+ for (; *s != '\0'; s++)
+ *s = toupper(*s);
+}
+
+/*
+ * Test case to check that all bpf_attach_type variants are covered by
+ * libbpf_bpf_attach_type_str.
+ */
+static void test_libbpf_bpf_attach_type_str(void)
+{
+ struct btf *btf;
+ const struct btf_type *t;
+ const struct btf_enum *e;
+ int i, n, id;
+
+ btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+ if (!ASSERT_OK_PTR(btf, "btf_parse"))
+ return;
+
+ /* find enum bpf_attach_type and enumerate each value */
+ id = btf__find_by_name_kind(btf, "bpf_attach_type", BTF_KIND_ENUM);
+ if (!ASSERT_GT(id, 0, "bpf_attach_type_id"))
+ goto cleanup;
+ t = btf__type_by_id(btf, id);
+ e = btf_enum(t);
+ n = btf_vlen(t);
+ for (i = 0; i < n; e++, i++) {
+ enum bpf_attach_type attach_type = (enum bpf_attach_type)e->val;
+ const char *attach_type_name;
+ const char *attach_type_str;
+ char buf[256];
+
+ if (attach_type == __MAX_BPF_ATTACH_TYPE)
+ continue;
+
+ attach_type_name = btf__str_by_offset(btf, e->name_off);
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+ ASSERT_OK_PTR(attach_type_str, attach_type_name);
+
+ snprintf(buf, sizeof(buf), "BPF_%s", attach_type_str);
+ uppercase(buf);
+
+ ASSERT_STREQ(buf, attach_type_name, "exp_str_value");
+ }
+
+cleanup:
+ btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_link_type variants are covered by
+ * libbpf_bpf_link_type_str.
+ */
+static void test_libbpf_bpf_link_type_str(void)
+{
+ struct btf *btf;
+ const struct btf_type *t;
+ const struct btf_enum *e;
+ int i, n, id;
+
+ btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+ if (!ASSERT_OK_PTR(btf, "btf_parse"))
+ return;
+
+ /* find enum bpf_link_type and enumerate each value */
+ id = btf__find_by_name_kind(btf, "bpf_link_type", BTF_KIND_ENUM);
+ if (!ASSERT_GT(id, 0, "bpf_link_type_id"))
+ goto cleanup;
+ t = btf__type_by_id(btf, id);
+ e = btf_enum(t);
+ n = btf_vlen(t);
+ for (i = 0; i < n; e++, i++) {
+ enum bpf_link_type link_type = (enum bpf_link_type)e->val;
+ const char *link_type_name;
+ const char *link_type_str;
+ char buf[256];
+
+ if (link_type == MAX_BPF_LINK_TYPE)
+ continue;
+
+ link_type_name = btf__str_by_offset(btf, e->name_off);
+ link_type_str = libbpf_bpf_link_type_str(link_type);
+ ASSERT_OK_PTR(link_type_str, link_type_name);
+
+ snprintf(buf, sizeof(buf), "BPF_LINK_TYPE_%s", link_type_str);
+ uppercase(buf);
+
+ ASSERT_STREQ(buf, link_type_name, "exp_str_value");
+ }
+
+cleanup:
+ btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_map_type variants are covered by
+ * libbpf_bpf_map_type_str.
+ */
+static void test_libbpf_bpf_map_type_str(void)
+{
+ struct btf *btf;
+ const struct btf_type *t;
+ const struct btf_enum *e;
+ int i, n, id;
+
+ btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+ if (!ASSERT_OK_PTR(btf, "btf_parse"))
+ return;
+
+ /* find enum bpf_map_type and enumerate each value */
+ id = btf__find_by_name_kind(btf, "bpf_map_type", BTF_KIND_ENUM);
+ if (!ASSERT_GT(id, 0, "bpf_map_type_id"))
+ goto cleanup;
+ t = btf__type_by_id(btf, id);
+ e = btf_enum(t);
+ n = btf_vlen(t);
+ for (i = 0; i < n; e++, i++) {
+ enum bpf_map_type map_type = (enum bpf_map_type)e->val;
+ const char *map_type_name;
+ const char *map_type_str;
+ char buf[256];
+
+ map_type_name = btf__str_by_offset(btf, e->name_off);
+ map_type_str = libbpf_bpf_map_type_str(map_type);
+ ASSERT_OK_PTR(map_type_str, map_type_name);
+
+ snprintf(buf, sizeof(buf), "BPF_MAP_TYPE_%s", map_type_str);
+ uppercase(buf);
+
+ ASSERT_STREQ(buf, map_type_name, "exp_str_value");
+ }
+
+cleanup:
+ btf__free(btf);
+}
+
+/*
+ * Test case to check that all bpf_prog_type variants are covered by
+ * libbpf_bpf_prog_type_str.
+ */
+static void test_libbpf_bpf_prog_type_str(void)
+{
+ struct btf *btf;
+ const struct btf_type *t;
+ const struct btf_enum *e;
+ int i, n, id;
+
+ btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
+ if (!ASSERT_OK_PTR(btf, "btf_parse"))
+ return;
+
+ /* find enum bpf_prog_type and enumerate each value */
+ id = btf__find_by_name_kind(btf, "bpf_prog_type", BTF_KIND_ENUM);
+ if (!ASSERT_GT(id, 0, "bpf_prog_type_id"))
+ goto cleanup;
+ t = btf__type_by_id(btf, id);
+ e = btf_enum(t);
+ n = btf_vlen(t);
+ for (i = 0; i < n; e++, i++) {
+ enum bpf_prog_type prog_type = (enum bpf_prog_type)e->val;
+ const char *prog_type_name;
+ const char *prog_type_str;
+ char buf[256];
+
+ prog_type_name = btf__str_by_offset(btf, e->name_off);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ ASSERT_OK_PTR(prog_type_str, prog_type_name);
+
+ snprintf(buf, sizeof(buf), "BPF_PROG_TYPE_%s", prog_type_str);
+ uppercase(buf);
+
+ ASSERT_STREQ(buf, prog_type_name, "exp_str_value");
+ }
+
+cleanup:
+ btf__free(btf);
+}
+
+/*
+ * Run all libbpf str conversion tests.
+ */
+void test_libbpf_str(void)
+{
+ if (test__start_subtest("bpf_attach_type_str"))
+ test_libbpf_bpf_attach_type_str();
+
+ if (test__start_subtest("bpf_link_type_str"))
+ test_libbpf_bpf_link_type_str();
+
+ if (test__start_subtest("bpf_map_type_str"))
+ test_libbpf_bpf_map_type_str();
+
+ if (test__start_subtest("bpf_prog_type_str"))
+ test_libbpf_bpf_prog_type_str();
+}
diff --git a/tools/testing/selftests/bpf/test_bpftool_synctypes.py b/tools/testing/selftests/bpf/test_bpftool_synctypes.py
index c0e7acd698ed..e443e6542cb9 100755
--- a/tools/testing/selftests/bpf/test_bpftool_synctypes.py
+++ b/tools/testing/selftests/bpf/test_bpftool_synctypes.py
@@ -58,7 +58,7 @@ class BlockParser(object):
class ArrayParser(BlockParser):
"""
- A parser for extracting dicionaries of values from some BPF-related arrays.
+ A parser for extracting a set of values from some BPF-related arrays.
@reader: a pointer to the open file to parse
@array_name: name of the array to parse
"""
@@ -66,7 +66,7 @@ class ArrayParser(BlockParser):
def __init__(self, reader, array_name):
self.array_name = array_name
- self.start_marker = re.compile(f'(static )?const char \* const {self.array_name}\[.*\] = {{\n')
+ self.start_marker = re.compile(f'(static )?const bool {self.array_name}\[.*\] = {{\n')
super().__init__(reader)
def search_block(self):
@@ -80,15 +80,15 @@ class ArrayParser(BlockParser):
Parse a block and return data as a dictionary. Items to extract must be
on separate lines in the file.
"""
- pattern = re.compile('\[(BPF_\w*)\]\s*= "(.*)",?$')
- entries = {}
+ pattern = re.compile('\[(BPF_\w*)\]\s*= (true|false),?$')
+ entries = set()
while True:
line = self.reader.readline()
if line == '' or re.match(self.end_marker, line):
break
capture = pattern.search(line)
if capture:
- entries[capture.group(1)] = capture.group(2)
+ entries |= {capture.group(1)}
return entries
class InlineListParser(BlockParser):
@@ -115,7 +115,7 @@ class InlineListParser(BlockParser):
class FileExtractor(object):
"""
A generic reader for extracting data from a given file. This class contains
- several helper methods that wrap arround parser objects to extract values
+ several helper methods that wrap around parser objects to extract values
from different structures.
This class does not offer a way to set a filename, which is expected to be
defined in children classes.
@@ -139,21 +139,19 @@ class FileExtractor(object):
def get_types_from_array(self, array_name):
"""
- Search for and parse an array associating names to BPF_* enum members,
- for example:
+ Search for and parse a list of allowed BPF_* enum members, for example:
- const char * const prog_type_name[] = {
- [BPF_PROG_TYPE_UNSPEC] = "unspec",
- [BPF_PROG_TYPE_SOCKET_FILTER] = "socket_filter",
- [BPF_PROG_TYPE_KPROBE] = "kprobe",
+ const bool prog_type_name[] = {
+ [BPF_PROG_TYPE_UNSPEC] = true,
+ [BPF_PROG_TYPE_SOCKET_FILTER] = true,
+ [BPF_PROG_TYPE_KPROBE] = true,
};
- Return a dictionary with the enum member names as keys and the
- associated names as values, for example:
+ Return a set of the enum members, for example:
- {'BPF_PROG_TYPE_UNSPEC': 'unspec',
- 'BPF_PROG_TYPE_SOCKET_FILTER': 'socket_filter',
- 'BPF_PROG_TYPE_KPROBE': 'kprobe'}
+ {'BPF_PROG_TYPE_UNSPEC',
+ 'BPF_PROG_TYPE_SOCKET_FILTER',
+ 'BPF_PROG_TYPE_KPROBE'}
@array_name: name of the array to parse
"""
@@ -186,6 +184,27 @@ class FileExtractor(object):
parser.search_block(start_marker)
return parser.parse(pattern, end_marker)
+ def make_enum_map(self, names, enum_prefix):
+ """
+ Search for and parse an enum containing BPF_* members, just as get_enum
+ does. However, instead of just returning a set of the variant names,
+ also generate a textual representation from them by (assuming and)
+ removing a provided prefix and lowercasing the remainder. Then return a
+ dict mapping from name to textual representation.
+
+ @enum_values: a set of enum values; e.g., as retrieved by get_enum
+ @enum_prefix: the prefix to remove from each of the variants to infer
+ textual representation
+ """
+ mapping = {}
+ for name in names:
+ if not name.startswith(enum_prefix):
+ raise Exception(f"enum variant {name} does not start with {enum_prefix}")
+ text = name[len(enum_prefix):].lower()
+ mapping[name] = text
+
+ return mapping
+
def __get_description_list(self, start_marker, pattern, end_marker):
parser = InlineListParser(self.reader)
parser.search_block(start_marker)
@@ -333,11 +352,9 @@ class ProgFileExtractor(SourceFileExtractor):
"""
filename = os.path.join(BPFTOOL_DIR, 'prog.c')
- def get_prog_types(self):
- return self.get_types_from_array('prog_type_name')
-
def get_attach_types(self):
- return self.get_types_from_array('attach_type_strings')
+ types = self.get_types_from_array('attach_types')
+ return self.make_enum_map(types, 'BPF_')
def get_prog_attach_help(self):
return self.get_help_list('ATTACH_TYPE')
@@ -348,9 +365,6 @@ class MapFileExtractor(SourceFileExtractor):
"""
filename = os.path.join(BPFTOOL_DIR, 'map.c')
- def get_map_types(self):
- return self.get_types_from_array('map_type_name')
-
def get_map_help(self):
return self.get_help_list('TYPE')
@@ -363,30 +377,6 @@ class CgroupFileExtractor(SourceFileExtractor):
def get_prog_attach_help(self):
return self.get_help_list('ATTACH_TYPE')
-class CommonFileExtractor(SourceFileExtractor):
- """
- An extractor for bpftool's common.c.
- """
- filename = os.path.join(BPFTOOL_DIR, 'common.c')
-
- def __init__(self):
- super().__init__()
- self.attach_types = {}
-
- def get_attach_types(self):
- if not self.attach_types:
- self.attach_types = self.get_types_from_array('attach_type_name')
- return self.attach_types
-
- def get_cgroup_attach_types(self):
- if not self.attach_types:
- self.get_attach_types()
- cgroup_types = {}
- for (key, value) in self.attach_types.items():
- if key.find('BPF_CGROUP') != -1:
- cgroup_types[key] = value
- return cgroup_types
-
class GenericSourceExtractor(SourceFileExtractor):
"""
An extractor for generic source code files.
@@ -403,14 +393,28 @@ class BpfHeaderExtractor(FileExtractor):
"""
filename = os.path.join(INCLUDE_DIR, 'uapi/linux/bpf.h')
+ def __init__(self):
+ super().__init__()
+ self.attach_types = {}
+
def get_prog_types(self):
return self.get_enum('bpf_prog_type')
- def get_map_types(self):
- return self.get_enum('bpf_map_type')
+ def get_map_type_map(self):
+ names = self.get_enum('bpf_map_type')
+ return self.make_enum_map(names, 'BPF_MAP_TYPE_')
- def get_attach_types(self):
- return self.get_enum('bpf_attach_type')
+ def get_attach_type_map(self):
+ if not self.attach_types:
+ names = self.get_enum('bpf_attach_type')
+ self.attach_types = self.make_enum_map(names, 'BPF_')
+ return self.attach_types
+
+ def get_cgroup_attach_type_map(self):
+ if not self.attach_types:
+ self.get_attach_type_map()
+ return {name: text for name, text in self.attach_types.items()
+ if name.startswith('BPF_CGROUP')}
class ManPageExtractor(FileExtractor):
"""
@@ -495,21 +499,12 @@ def main():
""")
args = argParser.parse_args()
- # Map types (enum)
-
bpf_info = BpfHeaderExtractor()
- ref = bpf_info.get_map_types()
-
- map_info = MapFileExtractor()
- source_map_items = map_info.get_map_types()
- map_types_enum = set(source_map_items.keys())
-
- verify(ref, map_types_enum,
- f'Comparing BPF header (enum bpf_map_type) and {MapFileExtractor.filename} (map_type_name):')
# Map types (names)
- source_map_types = set(source_map_items.values())
+ map_info = MapFileExtractor()
+ source_map_types = set(bpf_info.get_map_type_map().values())
source_map_types.discard('unspec')
help_map_types = map_info.get_map_help()
@@ -525,37 +520,17 @@ def main():
bashcomp_map_types = bashcomp_info.get_map_types()
verify(source_map_types, help_map_types,
- f'Comparing {MapFileExtractor.filename} (map_type_name) and {MapFileExtractor.filename} (do_help() TYPE):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_map_type) and {MapFileExtractor.filename} (do_help() TYPE):')
verify(source_map_types, man_map_types,
- f'Comparing {MapFileExtractor.filename} (map_type_name) and {ManMapExtractor.filename} (TYPE):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_map_type) and {ManMapExtractor.filename} (TYPE):')
verify(help_map_options, man_map_options,
f'Comparing {MapFileExtractor.filename} (do_help() OPTIONS) and {ManMapExtractor.filename} (OPTIONS):')
verify(source_map_types, bashcomp_map_types,
- f'Comparing {MapFileExtractor.filename} (map_type_name) and {BashcompExtractor.filename} (BPFTOOL_MAP_CREATE_TYPES):')
-
- # Program types (enum)
-
- ref = bpf_info.get_prog_types()
-
- prog_info = ProgFileExtractor()
- prog_types = set(prog_info.get_prog_types().keys())
-
- verify(ref, prog_types,
- f'Comparing BPF header (enum bpf_prog_type) and {ProgFileExtractor.filename} (prog_type_name):')
-
- # Attach types (enum)
-
- ref = bpf_info.get_attach_types()
- bpf_info.close()
-
- common_info = CommonFileExtractor()
- attach_types = common_info.get_attach_types()
-
- verify(ref, attach_types,
- f'Comparing BPF header (enum bpf_attach_type) and {CommonFileExtractor.filename} (attach_type_name):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_map_type) and {BashcompExtractor.filename} (BPFTOOL_MAP_CREATE_TYPES):')
# Attach types (names)
+ prog_info = ProgFileExtractor()
source_prog_attach_types = set(prog_info.get_attach_types().values())
help_prog_attach_types = prog_info.get_prog_attach_help()
@@ -571,18 +546,17 @@ def main():
bashcomp_prog_attach_types = bashcomp_info.get_prog_attach_types()
verify(source_prog_attach_types, help_prog_attach_types,
- f'Comparing {ProgFileExtractor.filename} (attach_type_strings) and {ProgFileExtractor.filename} (do_help() ATTACH_TYPE):')
+ f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {ProgFileExtractor.filename} (do_help() ATTACH_TYPE):')
verify(source_prog_attach_types, man_prog_attach_types,
- f'Comparing {ProgFileExtractor.filename} (attach_type_strings) and {ManProgExtractor.filename} (ATTACH_TYPE):')
+ f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {ManProgExtractor.filename} (ATTACH_TYPE):')
verify(help_prog_options, man_prog_options,
f'Comparing {ProgFileExtractor.filename} (do_help() OPTIONS) and {ManProgExtractor.filename} (OPTIONS):')
verify(source_prog_attach_types, bashcomp_prog_attach_types,
- f'Comparing {ProgFileExtractor.filename} (attach_type_strings) and {BashcompExtractor.filename} (BPFTOOL_PROG_ATTACH_TYPES):')
+ f'Comparing {ProgFileExtractor.filename} (bpf_attach_type) and {BashcompExtractor.filename} (BPFTOOL_PROG_ATTACH_TYPES):')
# Cgroup attach types
-
- source_cgroup_attach_types = set(common_info.get_cgroup_attach_types().values())
- common_info.close()
+ source_cgroup_attach_types = set(bpf_info.get_cgroup_attach_type_map().values())
+ bpf_info.close()
cgroup_info = CgroupFileExtractor()
help_cgroup_attach_types = cgroup_info.get_prog_attach_help()
@@ -598,13 +572,13 @@ def main():
bashcomp_info.close()
verify(source_cgroup_attach_types, help_cgroup_attach_types,
- f'Comparing {CommonFileExtractor.filename} (attach_type_strings) and {CgroupFileExtractor.filename} (do_help() ATTACH_TYPE):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_attach_type) and {CgroupFileExtractor.filename} (do_help() ATTACH_TYPE):')
verify(source_cgroup_attach_types, man_cgroup_attach_types,
- f'Comparing {CommonFileExtractor.filename} (attach_type_strings) and {ManCgroupExtractor.filename} (ATTACH_TYPE):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_attach_type) and {ManCgroupExtractor.filename} (ATTACH_TYPE):')
verify(help_cgroup_options, man_cgroup_options,
f'Comparing {CgroupFileExtractor.filename} (do_help() OPTIONS) and {ManCgroupExtractor.filename} (OPTIONS):')
verify(source_cgroup_attach_types, bashcomp_cgroup_attach_types,
- f'Comparing {CommonFileExtractor.filename} (attach_type_strings) and {BashcompExtractor.filename} (BPFTOOL_CGROUP_ATTACH_TYPES):')
+ f'Comparing {BpfHeaderExtractor.filename} (bpf_attach_type) and {BashcompExtractor.filename} (BPFTOOL_CGROUP_ATTACH_TYPES):')
# Options for remaining commands