ebpf offload - noop program reorder am: 2278aed207
Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1625238
MUST ONLY BE SUBMITTED BY AUTOMERGER
Change-Id: I3f6603fe427f5b54a7bfd2b728605fe0ac11afe8
diff --git a/Tethering/bpf_progs/offload.c b/Tethering/bpf_progs/offload.c
index bfa1e3a..e20a646 100644
--- a/Tethering/bpf_progs/offload.c
+++ b/Tethering/bpf_progs/offload.c
@@ -602,40 +602,32 @@
// Full featured (required) implementations for 5.8+ kernels
-DEFINE_BPF_PROG_KVER("schedcls/tether_downstream4_ether$5_8", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_downstream4_ether_5_8, KVER(5, 8, 0))
-(struct __sk_buff* skb) {
- return do_forward4(skb, /* is_ethernet */ true, /* downstream */ true, /* updatetime */ true);
-}
-
DEFINE_BPF_PROG_KVER("schedcls/tether_downstream4_rawip$5_8", AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_downstream4_rawip_5_8, KVER(5, 8, 0))
(struct __sk_buff* skb) {
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ true, /* updatetime */ true);
}
-DEFINE_BPF_PROG_KVER("schedcls/tether_upstream4_ether$5_8", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_upstream4_ether_5_8, KVER(5, 8, 0))
-(struct __sk_buff* skb) {
- return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ true);
-}
-
DEFINE_BPF_PROG_KVER("schedcls/tether_upstream4_rawip$5_8", AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_upstream4_rawip_5_8, KVER(5, 8, 0))
(struct __sk_buff* skb) {
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ false, /* updatetime */ true);
}
-// Full featured (optional) implementations for [4.14..5.8) kernels
-
-DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$opt",
- AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_downstream4_ether_opt,
- KVER(4, 14, 0), KVER(5, 8, 0))
+DEFINE_BPF_PROG_KVER("schedcls/tether_downstream4_ether$5_8", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_downstream4_ether_5_8, KVER(5, 8, 0))
(struct __sk_buff* skb) {
return do_forward4(skb, /* is_ethernet */ true, /* downstream */ true, /* updatetime */ true);
}
+DEFINE_BPF_PROG_KVER("schedcls/tether_upstream4_ether$5_8", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_upstream4_ether_5_8, KVER(5, 8, 0))
+(struct __sk_buff* skb) {
+ return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ true);
+}
+
+// Full featured (optional) implementations for [4.14..5.8) kernels
+
DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_rawip$opt",
AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_downstream4_rawip_opt,
@@ -644,14 +636,6 @@
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ true, /* updatetime */ true);
}
-DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$opt",
- AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_upstream4_ether_opt,
- KVER(4, 14, 0), KVER(5, 8, 0))
-(struct __sk_buff* skb) {
- return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ true);
-}
-
DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$opt",
AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_upstream4_rawip_opt,
@@ -660,6 +644,22 @@
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ false, /* updatetime */ true);
}
+DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$opt",
+ AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_downstream4_ether_opt,
+ KVER(4, 14, 0), KVER(5, 8, 0))
+(struct __sk_buff* skb) {
+ return do_forward4(skb, /* is_ethernet */ true, /* downstream */ true, /* updatetime */ true);
+}
+
+DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$opt",
+ AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_upstream4_ether_opt,
+ KVER(4, 14, 0), KVER(5, 8, 0))
+(struct __sk_buff* skb) {
+ return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ true);
+}
+
// Partial (TCP-only: will not update 'last_used' field) implementations for 4.14+ kernels.
// These will be loaded only if the above optional ones failed (loading of *these* must succeed).
//
@@ -671,52 +671,52 @@
// which enforces and documents the required kernel cherrypicks will make it pretty unlikely that
// many devices upgrading to S will end up relying on these fallback programs.
-DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$4_14", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_downstream4_ether_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
-(struct __sk_buff* skb) {
- return do_forward4(skb, /* is_ethernet */ true, /* downstream */ true, /* updatetime */ false);
-}
-
DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_rawip$4_14", AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_downstream4_rawip_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
(struct __sk_buff* skb) {
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ true, /* updatetime */ false);
}
-DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$4_14", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_upstream4_ether_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
-(struct __sk_buff* skb) {
- return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ false);
-}
-
DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$4_14", AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_upstream4_rawip_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
(struct __sk_buff* skb) {
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ false, /* updatetime */ false);
}
-// Placeholder (no-op) implementations for older pre-4.14 kernels
-
-DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$stub", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_downstream4_ether_stub, KVER_NONE, KVER(4, 14, 0))
+DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$4_14", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_downstream4_ether_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
(struct __sk_buff* skb) {
- return TC_ACT_OK;
+ return do_forward4(skb, /* is_ethernet */ true, /* downstream */ true, /* updatetime */ false);
}
+DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$4_14", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_upstream4_ether_4_14, KVER(4, 14, 0), KVER(5, 8, 0))
+(struct __sk_buff* skb) {
+ return do_forward4(skb, /* is_ethernet */ true, /* downstream */ false, /* updatetime */ false);
+}
+
+// Placeholder (no-op) implementations for older pre-4.14 kernels
+
DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_rawip$stub", AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_downstream4_rawip_stub, KVER_NONE, KVER(4, 14, 0))
(struct __sk_buff* skb) {
return TC_ACT_OK;
}
-DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$stub", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_upstream4_ether_stub, KVER_NONE, KVER(4, 14, 0))
+DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$stub", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_upstream4_rawip_stub, KVER_NONE, KVER(4, 14, 0))
(struct __sk_buff* skb) {
return TC_ACT_OK;
}
-DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$stub", AID_ROOT, AID_NETWORK_STACK,
- sched_cls_tether_upstream4_rawip_stub, KVER_NONE, KVER(4, 14, 0))
+DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_ether$stub", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_downstream4_ether_stub, KVER_NONE, KVER(4, 14, 0))
+(struct __sk_buff* skb) {
+ return TC_ACT_OK;
+}
+
+DEFINE_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$stub", AID_ROOT, AID_NETWORK_STACK,
+ sched_cls_tether_upstream4_ether_stub, KVER_NONE, KVER(4, 14, 0))
(struct __sk_buff* skb) {
return TC_ACT_OK;
}