mirror of https://github.com/containers/podman.git
105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
package netlink
|
|
|
|
import "net"
|
|
|
|
// SocketID identifies a single socket.
|
|
type SocketID struct {
|
|
SourcePort uint16
|
|
DestinationPort uint16
|
|
Source net.IP
|
|
Destination net.IP
|
|
Interface uint32
|
|
Cookie [2]uint32
|
|
}
|
|
|
|
// Socket represents a netlink socket.
|
|
type Socket struct {
|
|
Family uint8
|
|
State uint8
|
|
Timer uint8
|
|
Retrans uint8
|
|
ID SocketID
|
|
Expires uint32
|
|
RQueue uint32
|
|
WQueue uint32
|
|
UID uint32
|
|
INode uint32
|
|
}
|
|
|
|
// UnixSocket represents a netlink unix socket.
|
|
type UnixSocket struct {
|
|
Type uint8
|
|
Family uint8
|
|
State uint8
|
|
pad uint8
|
|
INode uint32
|
|
Cookie [2]uint32
|
|
}
|
|
|
|
// XDPSocket represents an XDP socket (and the common diagnosis part in
|
|
// particular). Please note that in contrast to [UnixSocket] the XDPSocket type
|
|
// does not feature “State” information.
|
|
type XDPSocket struct {
|
|
// xdp_diag_msg
|
|
// https://elixir.bootlin.com/linux/v6.2/source/include/uapi/linux/xdp_diag.h#L21
|
|
Family uint8
|
|
Type uint8
|
|
pad uint16
|
|
Ino uint32
|
|
Cookie [2]uint32
|
|
}
|
|
|
|
type XDPInfo struct {
|
|
// XDP_DIAG_INFO/xdp_diag_info
|
|
// https://elixir.bootlin.com/linux/v6.2/source/include/uapi/linux/xdp_diag.h#L51
|
|
Ifindex uint32
|
|
QueueID uint32
|
|
|
|
// XDP_DIAG_UID
|
|
UID uint32
|
|
|
|
// XDP_RX_RING
|
|
// https://elixir.bootlin.com/linux/v6.2/source/include/uapi/linux/xdp_diag.h#L56
|
|
RxRingEntries uint32
|
|
TxRingEntries uint32
|
|
UmemFillRingEntries uint32
|
|
UmemCompletionRingEntries uint32
|
|
|
|
// XDR_DIAG_UMEM
|
|
Umem *XDPDiagUmem
|
|
|
|
// XDR_DIAG_STATS
|
|
Stats *XDPDiagStats
|
|
}
|
|
|
|
const (
|
|
XDP_DU_F_ZEROCOPY = 1 << iota
|
|
)
|
|
|
|
// XDPDiagUmem describes the umem attached to an XDP socket.
|
|
//
|
|
// https://elixir.bootlin.com/linux/v6.2/source/include/uapi/linux/xdp_diag.h#L62
|
|
type XDPDiagUmem struct {
|
|
Size uint64
|
|
ID uint32
|
|
NumPages uint32
|
|
ChunkSize uint32
|
|
Headroom uint32
|
|
Ifindex uint32
|
|
QueueID uint32
|
|
Flags uint32
|
|
Refs uint32
|
|
}
|
|
|
|
// XDPDiagStats contains ring statistics for an XDP socket.
|
|
//
|
|
// https://elixir.bootlin.com/linux/v6.2/source/include/uapi/linux/xdp_diag.h#L74
|
|
type XDPDiagStats struct {
|
|
RxDropped uint64
|
|
RxInvalid uint64
|
|
RxFull uint64
|
|
FillRingEmpty uint64
|
|
TxInvalid uint64
|
|
TxRingEmpty uint64
|
|
}
|