Add support for a 'dequeue' section type to specify dequeue type programs
and add support for dequeue program and PIFO map to probing code.
Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
---
tools/lib/bpf/libbpf.c | 1 +
tools/lib/bpf/libbpf_probes.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index cb49408eb298..8553bb8369e0 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -8431,6 +8431,7 @@ static const struct bpf_sec_def section_defs[] = {
SEC_DEF("xdp/cpumap", XDP, BPF_XDP_CPUMAP, SEC_ATTACHABLE),
SEC_DEF("xdp.frags", XDP, BPF_XDP, SEC_XDP_FRAGS),
SEC_DEF("xdp", XDP, BPF_XDP, SEC_ATTACHABLE_OPT),
+ SEC_DEF("dequeue", DEQUEUE, 0, SEC_NONE),
SEC_DEF("perf_event", PERF_EVENT, 0, SEC_NONE),
SEC_DEF("lwt_in", LWT_IN, 0, SEC_NONE),
SEC_DEF("lwt_out", LWT_OUT, 0, SEC_NONE),
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 0b5398786bf3..a9ead2d55264 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -97,6 +97,7 @@ static int probe_prog_load(enum bpf_prog_type prog_type,
case BPF_PROG_TYPE_SK_REUSEPORT:
case BPF_PROG_TYPE_FLOW_DISSECTOR:
case BPF_PROG_TYPE_CGROUP_SYSCTL:
+ case BPF_PROG_TYPE_DEQUEUE:
break;
default:
return -EOPNOTSUPP;
@@ -244,6 +245,10 @@ static int probe_map_create(enum bpf_map_type map_type)
key_size = 0;
max_entries = 1;
break;
+ case BPF_MAP_TYPE_PIFO_GENERIC:
+ case BPF_MAP_TYPE_PIFO_XDP:
+ opts.map_extra = 8;
+ break;
case BPF_MAP_TYPE_HASH:
case BPF_MAP_TYPE_ARRAY:
case BPF_MAP_TYPE_PROG_ARRAY:
--
2.37.0
