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Save XDP attach mode info into LinkXdp. #515

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Merged
merged 1 commit into from
Jan 27, 2020
Merged

Save XDP attach mode info into LinkXdp. #515

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9 changes: 5 additions & 4 deletions link.go
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Original file line number Diff line number Diff line change
Expand Up @@ -196,10 +196,11 @@ type LinkStatistics64 struct {
}

type LinkXdp struct {
Fd int
Attached bool
Flags uint32
ProgId uint32
Fd int
Attached bool
AttachMode uint32
Flags uint32
ProgId uint32
}

// Device links cannot be created via netlink. These links
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3 changes: 2 additions & 1 deletion link_linux.go
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Expand Up @@ -2513,7 +2513,8 @@ func parseLinkXdp(data []byte) (*LinkXdp, error) {
case nl.IFLA_XDP_FD:
xdp.Fd = int(native.Uint32(attr.Value[0:4]))
case nl.IFLA_XDP_ATTACHED:
xdp.Attached = attr.Value[0] != 0
xdp.AttachMode = uint32(attr.Value[0])
xdp.Attached = xdp.AttachMode != 0
case nl.IFLA_XDP_FLAGS:
xdp.Flags = native.Uint32(attr.Value[0:4])
case nl.IFLA_XDP_PROG_ID:
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8 changes: 8 additions & 0 deletions nl/link_linux.go
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Expand Up @@ -478,6 +478,14 @@ const (
IFLA_XDP_MAX = IFLA_XDP_PROG_ID
)

// XDP program attach mode (used as dump value for IFLA_XDP_ATTACHED)
const (
XDP_ATTACHED_NONE = iota
XDP_ATTACHED_DRV
XDP_ATTACHED_SKB
XDP_ATTACHED_HW
)

const (
IFLA_IPTUN_UNSPEC = iota
IFLA_IPTUN_LINK
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