add placeholder ebpf programs for XDP tethering
Test: atest, TreeHugger, the programs load
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Idcacf0502719336c1b6a959fe6b782f2bce9d6b5
diff --git a/Tethering/bpf_progs/offload.c b/Tethering/bpf_progs/offload.c
index 9d2aec4..cce94ee 100644
--- a/Tethering/bpf_progs/offload.c
+++ b/Tethering/bpf_progs/offload.c
@@ -293,5 +293,30 @@
return TC_ACT_OK;
}
+// ----- XDP Support -----
+
+#define DEFINE_XDP_PROG(str, func) \
+ DEFINE_BPF_PROG_KVER(str, AID_ROOT, AID_NETWORK_STACK, func, KVER(5, 9, 0))(struct xdp_md *ctx)
+
+DEFINE_XDP_PROG("xdp/tether_downstream_ether",
+ xdp_tether_downstream_ether) {
+ return XDP_PASS;
+}
+
+DEFINE_XDP_PROG("xdp/tether_downstream_rawip",
+ xdp_tether_downstream_rawip) {
+ return XDP_PASS;
+}
+
+DEFINE_XDP_PROG("xdp/tether_upstream_ether",
+ xdp_tether_upstream_ether) {
+ return XDP_PASS;
+}
+
+DEFINE_XDP_PROG("xdp/tether_upstream_rawip",
+ xdp_tether_upstream_rawip) {
+ return XDP_PASS;
+}
+
LICENSE("Apache 2.0");
CRITICAL("netd");