diff mbox series

[RFC,bpf-next,v4,2/6] libbpf: add sleepable sections for {get,set}sockopt()

Message ID 20230819030143.419729-3-thinker.li@gmail.com (mailing list archive)
State RFC
Delegated to: BPF
Headers show
Series Sleepable BPF programs on cgroup {get,set}sockopt | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-PR pending PR summary
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netdev/series_format success Posting correctly formatted
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netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 9
netdev/cc_maintainers warning 5 maintainers not CCed: daniel@iogearbox.net kpsingh@kernel.org john.fastabend@gmail.com jolsa@kernel.org haoluo@google.com
netdev/build_clang success Errors and warnings before: 9 this patch: 9
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Commit Message

Thinker Li Aug. 19, 2023, 3:01 a.m. UTC 
From: Kui-Feng Lee <thinker.li@gmail.com>

Enable libbpf users to define sleepable programs attached on
{get,set}sockopt().  The sleepable programs should be defined with
SEC("cgroup/getsockopt.s") and SEC("cgroup/setsockopt.s") respectively.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 tools/lib/bpf/libbpf.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index b14a4376a86e..ddd6dc166e3e 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8766,7 +8766,9 @@  static const struct bpf_sec_def section_defs[] = {
 	SEC_DEF("cgroup/getsockname6",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_GETSOCKNAME, SEC_ATTACHABLE),
 	SEC_DEF("cgroup/sysctl",	CGROUP_SYSCTL, BPF_CGROUP_SYSCTL, SEC_ATTACHABLE),
 	SEC_DEF("cgroup/getsockopt",	CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT, SEC_ATTACHABLE),
+	SEC_DEF("cgroup/getsockopt.s",	CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT, SEC_ATTACHABLE | SEC_SLEEPABLE),
 	SEC_DEF("cgroup/setsockopt",	CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT, SEC_ATTACHABLE),
+	SEC_DEF("cgroup/setsockopt.s",	CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT, SEC_ATTACHABLE | SEC_SLEEPABLE),
 	SEC_DEF("cgroup/dev",		CGROUP_DEVICE, BPF_CGROUP_DEVICE, SEC_ATTACHABLE_OPT),
 	SEC_DEF("struct_ops+",		STRUCT_OPS, 0, SEC_NONE),
 	SEC_DEF("struct_ops.s+",	STRUCT_OPS, 0, SEC_SLEEPABLE),