Commit 257c4368 authored by Menglong Dong's avatar Menglong Dong Committed by Alexei Starovoitov
Browse files

libbpf: add fsession support 



Add BPF_TRACE_FSESSION to libbpf.

Signed-off-by: default avatarMenglong Dong <dongml2@chinatelecom.cn>
Link: https://lore.kernel.org/r/20260124062008.8657-9-dongml2@chinatelecom.cn


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 98770bd4

tools/lib/bpf/bpf.c

+1 −0
Original line number Diff line number Diff line
@@ -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))

tools/lib/bpf/libbpf.c

+3 −0
Original line number Diff line number Diff line
@@ -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),