LineageOS/android_packages_modules_Connectivity
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3 Commits

Author SHA1 Message Date
Lorenzo Colitti
734b14e07d Add a bpf_tethering_headers lib used by the programs and JNI. 
This provides a place to store common definitions that can be
used by both the programs and by JNI code in the tethering
module.

Over time much of the tethering-specific code in bpf_shared.h
could move here.

Test: m
Bug: 177884581
Change-Id: I4bf2c762d61cd5db003d59880e6bf7d107ff1a07
 2021-02-09 01:54:52 +00:00
Maciej Żenczykowski
e9810ffef1 move bpf test map into a separate file 
This allows for better separation of test vs production code:
we will add more test maps and programs here later.

Test: builds
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I7b22e3e148ebf43fdf43dc68d0dea354f7627688
 2021-01-18 18:36:00 -08:00
Hungming Chen
56c632caed Move BPF offload program from netd to mainline 
Test: as the follows.
$ adb shell ls sys/fs/bpf | grep offload
map_offload_tether_ingress_map
map_offload_tether_limit_map
map_offload_tether_stats_map
prog_offload_schedcls_ingress_tether_ether
prog_offload_schedcls_ingress_tether_rawip

$ adb shell dumpsys netd --short
  TetherController
    BPF ingress map: iif(iface) v6addr -> oif(iface) srcmac ..
      13(rmnet_data3) 2401:e180:8842:6e3:bc6a:2e45:c30:f418 -> ..
    BPF stats (downlink): iif(iface) -> packets bytes errors
      13(rmnet_data3) -> 7 488 0
    BPF limit: iif(iface) -> bytes
      13(rmnet_data3) -> 9223372036854775807

Log:
bpfloader: Loaded object: /apex/com.android.tethering/etc/bpf/offload.o

Change-Id: I71b7efb1f4bd6eb1cd469a0e1e4a56342dc6e579
 2020-09-16 20:38:14 +08:00