should never fail, since we now have M-2024-1 module prebuilts:
  $ adb shell ls -d /apex/com.android.tethering*
  /apex/com.android.tethering
  /apex/com.android.tethering@341310230

Test: TreeHugger, manually on a Pixel device
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ib145fba8e3c47bc300f4589723d9c80749770a19

For reasoning see:
  https://android-review.googlesource.com/c/platform/system/netd/+/2966803



Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: If479b0443a64e0bf98ca89016d42ca37e231c576

(this will land in M-2024-05 ie. May mainline tethering module)

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I250b691eb03751da05ce10d41d6721f4964dd1d5

(super useful for debugging)

Sample output:
  I NetBpfLoad: NetBpfLoad '/apex/com.android.tethering/bin/netbpfload' starting...
  I NetBpfLoad: NetBpfLoad api:10000/34 kver:6010019 platform:0 mainline:1
  D NetBpfLoad: Found Tethering Apex mounted from blockdev /dev/block/dm-55
  I NetBpfLoad: Tethering APEX version 340090000

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Iaf1bc22b02913ea21ff9368abd9933e6ef4017f1

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8833451acc031b8b2137d23e9a6763851f149081

netbpfload.mainline.rc is derived from:
  initrc-doc/bpfloader-sdk34-14-U.rc,
except that it is 'override' instead of 'updatable' and uses
the apex netbpfload instead of the platform bpfloader.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I1ecf14e3d927ece136a0669a9b209be7112e55b5

proc file writes were only moved from .rc into bpfloader binary in U.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I20eda71d4f4e16130401d1cfff239c7cd8ea9bf6

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I447880763bbc506f08b578f862f09be91ab3d14d

change of design: we'll call netbpfload before bpfloader

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I2d7a04a1bf1aa1d163f2b3936e2cde61308c4aa4

No need for this, as we simply only support those selinux
contexts (and directories) which are available to networking.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I35b134c57411f82514b9f7148411f83d3aee1927

(it's already created by the platform bpfloader)

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ie22f585cab17fd2bded3d97a9cfe1019b792b69d

No need for this, as we simply only support network
program types in the first place.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I163e21fd4d4089882cf37fc68bc4299003b514d7

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I3af8e7f14de8dd5dd65c40705195332bef114b88

Test: N/A
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I8f83d04266caf930701b9725b457333ddae149f2

Test: N/A
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: If088188b4832d37b084846b5ad3db06b8858d856

Test: N/A
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ia0c1f55aa78435737699e0dec0bfddbd977e7392

These are unmodified files, without history.
Getting these to do something useful will come later.

Generated via:
  cp //system/bpf/bpfloader/bpfloader.rc netbpfload.rc
  cp //system/bpf/bpfloader/BpfLoader.cpp NetBpfLoad.cpp
  cp //system/bpf/libbpf_android/include/libbpf_android.h loader.h
  cp //system/bpf/libbpf_android/Loader.cpp loader.cpp

Change-Id: I1677b899a51e1289a7a9806d6f5c34450b9e7c47