diff options
Diffstat (limited to 'vendor/github.com/cilium/ebpf/link/program.go')
-rw-r--r-- | vendor/github.com/cilium/ebpf/link/program.go | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/vendor/github.com/cilium/ebpf/link/program.go b/vendor/github.com/cilium/ebpf/link/program.go deleted file mode 100644 index ea3181737..000000000 --- a/vendor/github.com/cilium/ebpf/link/program.go +++ /dev/null @@ -1,76 +0,0 @@ -package link - -import ( - "fmt" - - "github.com/cilium/ebpf" - "github.com/cilium/ebpf/internal/sys" -) - -type RawAttachProgramOptions struct { - // File descriptor to attach to. This differs for each attach type. - Target int - // Program to attach. - Program *ebpf.Program - // Program to replace (cgroups). - Replace *ebpf.Program - // Attach must match the attach type of Program (and Replace). - Attach ebpf.AttachType - // Flags control the attach behaviour. This differs for each attach type. - Flags uint32 -} - -// RawAttachProgram is a low level wrapper around BPF_PROG_ATTACH. -// -// You should use one of the higher level abstractions available in this -// package if possible. -func RawAttachProgram(opts RawAttachProgramOptions) error { - if err := haveProgAttach(); err != nil { - return err - } - - var replaceFd uint32 - if opts.Replace != nil { - replaceFd = uint32(opts.Replace.FD()) - } - - attr := sys.ProgAttachAttr{ - TargetFd: uint32(opts.Target), - AttachBpfFd: uint32(opts.Program.FD()), - ReplaceBpfFd: replaceFd, - AttachType: uint32(opts.Attach), - AttachFlags: uint32(opts.Flags), - } - - if err := sys.ProgAttach(&attr); err != nil { - return fmt.Errorf("can't attach program: %w", err) - } - return nil -} - -type RawDetachProgramOptions struct { - Target int - Program *ebpf.Program - Attach ebpf.AttachType -} - -// RawDetachProgram is a low level wrapper around BPF_PROG_DETACH. -// -// You should use one of the higher level abstractions available in this -// package if possible. -func RawDetachProgram(opts RawDetachProgramOptions) error { - if err := haveProgAttach(); err != nil { - return err - } - - attr := sys.ProgDetachAttr{ - TargetFd: uint32(opts.Target), - AttachBpfFd: uint32(opts.Program.FD()), - AttachType: uint32(opts.Attach), - } - if err := sys.ProgDetach(&attr); err != nil { - return fmt.Errorf("can't detach program: %w", err) - } - - return nil -} |