libbpf: add fsession support

Add BPF_TRACE_FSESSION to libbpf.

Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20260124062008.8657-9-dongml2@chinatelecom.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 21b57a62991677d0a1f2f689fa0807b98f3ae5f8..5846de3642090a20bc6c6d75e49b454c4b29c609 100644 (file)
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -794,6 +794,7 @@ int bpf_link_create(int prog_fd, int target_fd,
        case BPF_TRACE_FENTRY:
        case BPF_TRACE_FEXIT:
        case BPF_MODIFY_RETURN:
+       case BPF_TRACE_FSESSION:
        case BPF_LSM_MAC:
                attr.link_create.tracing.cookie = OPTS_GET(opts, tracing.cookie, 0);
                if (!OPTS_ZEROED(opts, tracing))

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index bbcfd72b07d55a65614c3e9c8140259980251566..0c8bf0b5cce44462414e99a958260e940148e818 100644 (file)
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -115,6 +115,7 @@ static const char * const attach_type_name[] = {
        [BPF_TRACE_FENTRY]              = "trace_fentry",
        [BPF_TRACE_FEXIT]               = "trace_fexit",
        [BPF_MODIFY_RETURN]             = "modify_return",
+       [BPF_TRACE_FSESSION]            = "trace_fsession",
        [BPF_LSM_MAC]                   = "lsm_mac",
        [BPF_LSM_CGROUP]                = "lsm_cgroup",
        [BPF_SK_LOOKUP]                 = "sk_lookup",
@@ -9859,6 +9860,8 @@ static const struct bpf_sec_def section_defs[] = {
        SEC_DEF("fentry.s+",            TRACING, BPF_TRACE_FENTRY, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_trace),
        SEC_DEF("fmod_ret.s+",          TRACING, BPF_MODIFY_RETURN, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_trace),
        SEC_DEF("fexit.s+",             TRACING, BPF_TRACE_FEXIT, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_trace),
+       SEC_DEF("fsession+",            TRACING, BPF_TRACE_FSESSION, SEC_ATTACH_BTF, attach_trace),
+       SEC_DEF("fsession.s+",          TRACING, BPF_TRACE_FSESSION, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_trace),
        SEC_DEF("freplace+",            EXT, 0, SEC_ATTACH_BTF, attach_trace),
        SEC_DEF("lsm+",                 LSM, BPF_LSM_MAC, SEC_ATTACH_BTF, attach_lsm),
        SEC_DEF("lsm.s+",               LSM, BPF_LSM_MAC, SEC_ATTACH_BTF | SEC_SLEEPABLE, attach_lsm),