github.com/metacubex/gvisor@v0.0.0-20240320004321-933faba989ec/runsc/sandbox/bpf/bpf.go (about)

     1  // Copyright 2023 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Package bpf provides compiled bpf programs as byte slices.
    16  package bpf
    17  
    18  import _ "embed"
    19  
    20  // AFXDPProgram is a BPF program that, when attached to a device, redirects all
    21  // packets to a single AF_XDP socket unconditionally.
    22  //
    23  //go:embed af_xdp_ebpf.o
    24  var AFXDPProgram []byte
    25  
    26  // TunnelVethProgram is a BPF program that redirects all packets to exit via
    27  // another device.
    28  //
    29  //go:embed tunnel_veth_ebpf.o
    30  var TunnelVethProgram []byte