package cmd

import "gvisor.dev/gvisor/tools/xdp/cmd"

Package cmd implements the subcommands of xdp_loader.

Index ¶

• func RedirectLinkPath(iface string) string
• func RedirectMapPath(iface string) string
• func RedirectPinDir(iface string) string
• func RedirectProgramPath(iface string) string
• func TunnelHostLinkPath(iface string) string
• func TunnelHostMapPath(iface string) string
• func TunnelHostProgramPath(iface string) string
• func TunnelPinDir(iface string) string
• func TunnelVethLinkPath(iface string) string
• func TunnelVethMapPath(iface string) string
• func TunnelVethProgramPath(iface string) string
• type DropCommand
• func (pc *DropCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus
• func (*DropCommand) Name() string
• func (pc *DropCommand) SetFlags(fs *flag.FlagSet)
• func (*DropCommand) Synopsis() string
• func (*DropCommand) Usage() string
• type PassCommand
• func (pc *PassCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus
• func (*PassCommand) Name() string
• func (pc *PassCommand) SetFlags(fs *flag.FlagSet)
• func (*PassCommand) Synopsis() string
• func (*PassCommand) Usage() string
• type RedirectHostCommand
• func (rc *RedirectHostCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus
• func (*RedirectHostCommand) Name() string
• func (rc *RedirectHostCommand) SetFlags(fs *flag.FlagSet)
• func (*RedirectHostCommand) Synopsis() string
• func (*RedirectHostCommand) Usage() string
• type TcpdumpCommand
• func (pc *TcpdumpCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus
• func (*TcpdumpCommand) Name() string
• func (pc *TcpdumpCommand) SetFlags(fs *flag.FlagSet)
• func (*TcpdumpCommand) Synopsis() string
• func (*TcpdumpCommand) Usage() string
• type TunnelCommand
• func (tn *TunnelCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus
• func (*TunnelCommand) Name() string
• func (tn *TunnelCommand) SetFlags(fs *flag.FlagSet)
• func (*TunnelCommand) Synopsis() string
• func (*TunnelCommand) Usage() string

Functions ¶

func RedirectLinkPath ¶

func RedirectLinkPath(iface string) string

RedirectLinkPath returns the path where the eBPF link will be pinned when xdp_loader is run against iface.

func RedirectMapPath ¶

func RedirectMapPath(iface string) string

RedirectMapPath returns the path where the eBPF map will be pinned when xdp_loader is run against iface.

func RedirectPinDir ¶

func RedirectPinDir(iface string) string

RedirectPinDir returns the directory to which eBPF objects will be pinned when xdp_loader is run against iface.

func RedirectProgramPath ¶

func RedirectProgramPath(iface string) string

RedirectProgramPath returns the path where the eBPF program will be pinned when xdp_loader is run against iface.

func TunnelHostLinkPath ¶

func TunnelHostLinkPath(iface string) string

TunnelHostLinkPath returns the path where the eBPF link will be pinned when xdp_loader is run against iface.

func TunnelHostMapPath ¶

func TunnelHostMapPath(iface string) string

TunnelHostMapPath returns the path where the eBPF map will be pinned when xdp_loader is run against iface.

func TunnelHostProgramPath ¶

func TunnelHostProgramPath(iface string) string

TunnelHostProgramPath returns the path where the eBPF program will be pinned when xdp_loader is run against iface.

func TunnelPinDir ¶

func TunnelPinDir(iface string) string

TunnelPinDir returns the directory to which eBPF objects will be pinned when xdp_loader is run against iface.

func TunnelVethLinkPath ¶

func TunnelVethLinkPath(iface string) string

TunnelVethLinkPath returns the path where the eBPF link should be pinned when xdp_loader is run against iface.

func TunnelVethMapPath ¶

func TunnelVethMapPath(iface string) string

TunnelVethMapPath returns the path where the eBPF map should be pinned when xdp_loader is run against iface.

func TunnelVethProgramPath ¶

func TunnelVethProgramPath(iface string) string

TunnelVethProgramPath returns the path where the eBPF program should be pinned when xdp_loader is run against iface.

Types ¶

type DropCommand ¶

type DropCommand struct {
	// contains filtered or unexported fields
}

DropCommand is a subcommand for dropping packets.

func (*DropCommand) Execute ¶

func (pc *DropCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus

Execute implements subcommands.Command.Execute.

func (*DropCommand) Name ¶

func (*DropCommand) Name() string

Name implements subcommands.Command.Name.

func (*DropCommand) SetFlags ¶

func (pc *DropCommand) SetFlags(fs *flag.FlagSet)

SetFlags implements subcommands.Command.SetFlags.

func (*DropCommand) Synopsis ¶

func (*DropCommand) Synopsis() string

Synopsis implements subcommands.Command.Synopsis.

func (*DropCommand) Usage ¶

func (*DropCommand) Usage() string

Usage implements subcommands.Command.Usage.

type PassCommand ¶

type PassCommand struct {
	// contains filtered or unexported fields
}

PassCommand is a subcommand for passing packets to the kernel network stack.

func (*PassCommand) Execute ¶

func (pc *PassCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus

Execute implements subcommands.Command.Execute.

func (*PassCommand) Name ¶

func (*PassCommand) Name() string

Name implements subcommands.Command.Name.

func (*PassCommand) SetFlags ¶

func (pc *PassCommand) SetFlags(fs *flag.FlagSet)

SetFlags implements subcommands.Command.SetFlags.

func (*PassCommand) Synopsis ¶

func (*PassCommand) Synopsis() string

Synopsis implements subcommands.Command.Synopsis.

func (*PassCommand) Usage ¶

func (*PassCommand) Usage() string

Usage implements subcommands.Command.Usage.

type RedirectHostCommand ¶

type RedirectHostCommand struct {
	// contains filtered or unexported fields
}

RedirectHostCommand is a subcommand for redirecting incoming packets based on a pinned eBPF map. It redirects all non-SSH traffic to a single AF_XDP socket.

func (*RedirectHostCommand) Execute ¶

func (rc *RedirectHostCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus

Execute implements subcommands.Command.Execute.

func (*RedirectHostCommand) Name ¶

func (*RedirectHostCommand) Name() string

Name implements subcommands.Command.Name.

func (*RedirectHostCommand) SetFlags ¶

func (rc *RedirectHostCommand) SetFlags(fs *flag.FlagSet)

SetFlags implements subcommands.Command.SetFlags.

func (*RedirectHostCommand) Synopsis ¶

func (*RedirectHostCommand) Synopsis() string

Synopsis implements subcommands.Command.Synopsis.

func (*RedirectHostCommand) Usage ¶

func (*RedirectHostCommand) Usage() string

Usage implements subcommands.Command.Usage.

type TcpdumpCommand ¶

type TcpdumpCommand struct {
	// contains filtered or unexported fields
}

TcpdumpCommand is a subcommand for capturing incoming packets.

func (*TcpdumpCommand) Execute ¶

func (pc *TcpdumpCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus

Execute implements subcommands.Command.Execute.

func (*TcpdumpCommand) Name ¶

func (*TcpdumpCommand) Name() string

Name implements subcommands.Command.Name.

func (*TcpdumpCommand) SetFlags ¶

func (pc *TcpdumpCommand) SetFlags(fs *flag.FlagSet)

SetFlags implements subcommands.Command.SetFlags.

func (*TcpdumpCommand) Synopsis ¶

func (*TcpdumpCommand) Synopsis() string

Synopsis implements subcommands.Command.Synopsis.

func (*TcpdumpCommand) Usage ¶

func (*TcpdumpCommand) Usage() string

Usage implements subcommands.Command.Usage.

type TunnelCommand ¶

type TunnelCommand struct {
	// contains filtered or unexported fields
}

TunnelCommand is a subcommand for tunneling traffic between two NICs. It is intended as a fast path between the host NIC and the veth of a container.

SSH traffic is not tunneled. It is passed through to the Linux network stack.

func (*TunnelCommand) Execute ¶

func (tn *TunnelCommand) Execute(context.Context, *flag.FlagSet, ...any) subcommands.ExitStatus

Execute implements subcommands.Command.Execute.

func (*TunnelCommand) Name ¶

func (*TunnelCommand) Name() string

Name implements subcommands.Command.Name.

func (*TunnelCommand) SetFlags ¶

func (tn *TunnelCommand) SetFlags(fs *flag.FlagSet)

SetFlags implements subcommands.Command.SetFlags.

func (*TunnelCommand) Synopsis ¶

func (*TunnelCommand) Synopsis() string

Synopsis implements subcommands.Command.Synopsis.

func (*TunnelCommand) Usage ¶

func (*TunnelCommand) Usage() string

Usage implements subcommands.Command.Usage.

Source Files ¶

cmd.go drop.go pass.go redirect_host.go tcpdump.go tunnel.go