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Raw Panama bindings for libbpf generated for jextract on 64-bit Linux
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// Generated by jextract

package me.bechberger.ebpf.bpf.raw;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct icmp_ext_hdr {
 *     __u8 reserved1 : 4;
 *     __u8 version : 4;
 *     __u8 reserved2;
 *     __sum16 checksum;
 * }
 * }
 */
public class icmp_ext_hdr {

    icmp_ext_hdr() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        MemoryLayout.paddingLayout(1),
        Lib.C_CHAR.withName("reserved2"),
        Lib.C_SHORT.withName("checksum")
    ).withName("icmp_ext_hdr");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfByte reserved2$LAYOUT = (OfByte)$LAYOUT.select(groupElement("reserved2"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u8 reserved2
     * }
     */
    public static final OfByte reserved2$layout() {
        return reserved2$LAYOUT;
    }

    private static final long reserved2$OFFSET = 1;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u8 reserved2
     * }
     */
    public static final long reserved2$offset() {
        return reserved2$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u8 reserved2
     * }
     */
    public static byte reserved2(MemorySegment struct) {
        return struct.get(reserved2$LAYOUT, reserved2$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u8 reserved2
     * }
     */
    public static void reserved2(MemorySegment struct, byte fieldValue) {
        struct.set(reserved2$LAYOUT, reserved2$OFFSET, fieldValue);
    }

    private static final OfShort checksum$LAYOUT = (OfShort)$LAYOUT.select(groupElement("checksum"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __sum16 checksum
     * }
     */
    public static final OfShort checksum$layout() {
        return checksum$LAYOUT;
    }

    private static final long checksum$OFFSET = 2;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __sum16 checksum
     * }
     */
    public static final long checksum$offset() {
        return checksum$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __sum16 checksum
     * }
     */
    public static short checksum(MemorySegment struct) {
        return struct.get(checksum$LAYOUT, checksum$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __sum16 checksum
     * }
     */
    public static void checksum(MemorySegment struct, short fieldValue) {
        struct.set(checksum$LAYOUT, checksum$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}