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xdp: support network namespaces #1138

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xdp: support network namespaces #1138

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16 changes: 13 additions & 3 deletions link_linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1033,15 +1033,25 @@ func (h *Handle) LinkSetNsFd(link Link, fd int) error {
// LinkSetXdpFd adds a bpf function to the driver. The fd must be a bpf
// program loaded with bpf(type=BPF_PROG_TYPE_XDP)
func LinkSetXdpFd(link Link, fd int) error {
return LinkSetXdpFdWithFlags(link, fd, 0)
return pkgHandle.LinkSetXdpFdWithFlags(link, fd, 0)
}

func (h *Handle) LinkSetXdpFd(link Link, fd int) error {
return h.LinkSetXdpFdWithFlags(link, fd, 0)
}

// LinkSetXdpFdWithFlags adds a bpf function to the driver with the given
// options. The fd must be a bpf program loaded with bpf(type=BPF_PROG_TYPE_XDP)
func LinkSetXdpFdWithFlags(link Link, fd, flags int) error {
return pkgHandle.LinkSetXdpFdWithFlags(link, fd, flags)
}

// LinkSetXdpFdWithFlags adds a bpf function to the driver with the given
// options. The fd must be a bpf program loaded with bpf(type=BPF_PROG_TYPE_XDP)
func (h *Handle) LinkSetXdpFdWithFlags(link Link, fd, flags int) error {
base := link.Attrs()
ensureIndex(base)
req := nl.NewNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
h.ensureIndex(base)
req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)

msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
msg.Index = int32(base.Index)
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