commit aa4622270628e30bc1d5890020b734e9b0d38760
author Maciej Żenczykowski <maze@google.com> Thu Jan 07 14:24:45 2021 -0800
committer Maciej Żenczykowski <maze@google.com> Thu Jan 07 14:51:20 2021 -0800
tree 2f4b25543d721cbb3505d3d98d2300ddab0c1d54
parent 6597d87a675d56f8d7bdaf471bcfb4eff666f7d2

add support for xdp bpf program type

Tested via:
  packages/modules/Connectivity/Tethering/Tethering/bpf_progs/offload.c:

  +DEFINE_BPF_PROG_KVER("xdp/test", AID_ROOT, AID_ROOT,
  +                      xdp_test, KVER(5, 10, 0))
  +(struct xdp_md *ctx) {
  +    return XDP_PASS;
  +}

  vsoc_x86:/ # ip link show dev lo
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

  vsoc_x86:/ # ip link set dev lo xdp pinned /sys/fs/bpf/prog_offload_xdp_test

  vsoc_x86:/ # ip link show dev lo
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 xdpgeneric qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      prog/xdp id 3 tag 3b185187f1855c4c jited

  vsoc_x86:/ # ip link set dev lo xdp off

  vsoc_x86:/ # ip link show dev lo
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

Test: atest, TreeHugger
Bug: 167540099
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I7472d6d8120344abde9ea0f44c59a46f30da77f1

libbpf_android/Loader.cpp

diff --git a/libbpf_android/Loader.cpp b/libbpf_android/Loader.cpp
index 47e6c67..8a66c29 100644
--- a/libbpf_android/Loader.cpp
+++ b/libbpf_android/Loader.cpp
@@ -73,15 +73,16 @@
  * is the name of the program, and tracepoint is the type.
  */
 sectionType sectionNameTypes[] = {
-    {"kprobe", BPF_PROG_TYPE_KPROBE},
-    {"tracepoint", BPF_PROG_TYPE_TRACEPOINT},
-    {"skfilter", BPF_PROG_TYPE_SOCKET_FILTER},
-    {"cgroupskb", BPF_PROG_TYPE_CGROUP_SKB},
-    {"schedcls", BPF_PROG_TYPE_SCHED_CLS},
-    {"cgroupsock", BPF_PROG_TYPE_CGROUP_SOCK},
+        {"kprobe", BPF_PROG_TYPE_KPROBE},
+        {"tracepoint", BPF_PROG_TYPE_TRACEPOINT},
+        {"skfilter", BPF_PROG_TYPE_SOCKET_FILTER},
+        {"cgroupskb", BPF_PROG_TYPE_CGROUP_SKB},
+        {"schedcls", BPF_PROG_TYPE_SCHED_CLS},
+        {"cgroupsock", BPF_PROG_TYPE_CGROUP_SOCK},
+        {"xdp", BPF_PROG_TYPE_XDP},
 
-    /* End of table */
-    {"END", BPF_PROG_TYPE_UNSPEC},
+        /* End of table */
+        {"END", BPF_PROG_TYPE_UNSPEC},
 };
 
 typedef struct {