Source file src/github.com/cilium/ebpf/link/netns.go

Documentation: github.com/cilium/ebpf/link

     1  package link
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/cilium/ebpf"
     7  )
     8  
     9  // NetNsLink is a program attached to a network namespace.
    10  type NetNsLink struct {
    11  	RawLink
    12  }
    13  
    14  // AttachNetNs attaches a program to a network namespace.
    15  func AttachNetNs(ns int, prog *ebpf.Program) (*NetNsLink, error) {
    16  	var attach ebpf.AttachType
    17  	switch t := prog.Type(); t {
    18  	case ebpf.FlowDissector:
    19  		attach = ebpf.AttachFlowDissector
    20  	case ebpf.SkLookup:
    21  		attach = ebpf.AttachSkLookup
    22  	default:
    23  		return nil, fmt.Errorf("can't attach %v to network namespace", t)
    24  	}
    25  
    26  	link, err := AttachRawLink(RawLinkOptions{
    27  		Target:  ns,
    28  		Program: prog,
    29  		Attach:  attach,
    30  	})
    31  	if err != nil {
    32  		return nil, err
    33  	}
    34  
    35  	return &NetNsLink{*link}, nil
    36  }
    37  

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