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ebpf offload - noop program reorder am: 2278aed207

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Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1625238

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I3f6603fe427f5b54a7bfd2b728605fe0ac11afe8
This commit is contained in:
Maciej Żenczykowski
2021-03-10 14:23:44 +00:00
committed by Automerger Merge Worker
parent 138c2578a8 2278aed207
commit 4e071fff2a
1 changed files with 47 additions and 47 deletions
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94
Tethering/bpf_progs/offload.c
View File

@@ -602,40 +602,32 @@ static inline __always_inline int do_forward4(struct __sk_buff* skb, const bool
// 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 @@ DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_downstream4_rawip$opt",
return do_forward4(skb, /* is_ethernet */ false, /* downstream */ true, /* updatetime */ true);
}
DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_ether$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$opt",
AID_ROOT, AID_NETWORK_STACK,
sched_cls_tether_upstream4_rawip_opt,
@@ -660,6 +644,22 @@ DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$opt",
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 @@ DEFINE_OPTIONAL_BPF_PROG_KVER_RANGE("schedcls/tether_upstream4_rawip$opt",
// 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;
}