fidl_fuchsia_posix_socket_packet__common/

fidl_fuchsia_posix_socket_packet__common.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

/// A network-layer protocol (above link-layer).
///
/// Values are defined by
/// https://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml.
pub type Protocol = u16;

pub const SOCKET_PROTOCOL_NAME: &str = "fuchsia.posix.socket.packet/Socket";

/// The type of a hardware.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum HardwareType {
    /// Hardware that operates only at the network layer; a pure L3 interface.
    ///
    /// Hardware of this type have no L2 headers/addressing.
    NetworkOnly = 1,
    /// Hardware that operates on ethernet-based links.
    Ethernet = 2,
    /// Hardware that loops back packets.
    Loopback = 3,
}

impl HardwareType {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::NetworkOnly),
            2 => Some(Self::Ethernet),
            3 => Some(Self::Loopback),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }
}

/// A kind of packet socket.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum Kind {
    /// A packet socket that operates with network-layer packets.
    Network = 1,
    /// A packet socket that operates with link-layer packets.
    ///
    /// Packets are passed unmodified between the wire and client when the
    /// packet socket is of this kind.
    Link = 2,
}

impl Kind {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::Network),
            2 => Some(Self::Link),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }
}

/// The type of a packet.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum PacketType {
    /// A packet that arrived at its destination.
    Host = 1,
    /// A packet that was broadcasted.
    Broadcast = 2,
    /// A packet that was multicasted.
    Multicast = 3,
    /// A packet that arrived at a host that isn't its destination.
    OtherHost = 4,
    /// A packet that is being sent on a local interface, regardless of how it
    /// is being sent (unicasted, multicasted, broadcasted).
    Outgoing = 5,
}

impl PacketType {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::Host),
            2 => Some(Self::Broadcast),
            3 => Some(Self::Multicast),
            4 => Some(Self::OtherHost),
            5 => Some(Self::Outgoing),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }
}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Empty;

impl fidl::Persistable for Empty {}

/// An interface's properties.
#[derive(Clone, Debug, PartialEq)]
pub struct InterfaceProperties {
    /// The interface's ID.
    pub id: u64,
    /// The interface's hardware address.
    pub addr: HardwareAddress,
    /// The interface's hardware type.
    pub type_: HardwareType,
}

impl fidl::Persistable for InterfaceProperties {}

/// Information about a packet.
#[derive(Clone, Debug, PartialEq)]
pub struct PacketInfo {
    pub protocol: u16,
    pub interface_id: u64,
    pub addr: HardwareAddress,
}

impl fidl::Persistable for PacketInfo {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ProviderSocketRequest {
    pub kind: Kind,
}

impl fidl::Persistable for ProviderSocketRequest {}

#[derive(Clone, Debug, PartialEq)]
pub struct RecvPacketInfo {
    pub packet_info: PacketInfo,
    pub packet_type: PacketType,
    pub interface_type: HardwareType,
}

impl fidl::Persistable for RecvPacketInfo {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SocketBindRequest {
    pub protocol: Option<Box<ProtocolAssociation>>,
    pub bound_interface_id: BoundInterfaceId,
}

impl fidl::Persistable for SocketBindRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SocketRecvMsgRequest {
    pub want_packet_info: bool,
    pub data_len: u32,
    pub want_control: bool,
    pub flags: fidl_fuchsia_posix_socket__common::RecvMsgFlags,
}

impl fidl::Persistable for SocketRecvMsgRequest {}

#[derive(Clone, Debug, PartialEq)]
pub struct SocketSendMsgRequest {
    pub packet_info: Option<Box<PacketInfo>>,
    pub data: Vec<u8>,
    pub control: SendControlData,
    pub flags: fidl_fuchsia_posix_socket__common::SendMsgFlags,
}

impl fidl::Persistable for SocketSendMsgRequest {}

#[derive(Clone, Debug, PartialEq)]
pub struct SocketGetInfoResponse {
    pub kind: Kind,
    pub protocol: Option<Box<ProtocolAssociation>>,
    pub bound_interface: BoundInterface,
}

impl fidl::Persistable for SocketGetInfoResponse {}

#[derive(Clone, Debug, PartialEq)]
pub struct SocketRecvMsgResponse {
    pub packet_info: Option<Box<RecvPacketInfo>>,
    pub data: Vec<u8>,
    pub control: RecvControlData,
    pub truncated: u32,
}

impl fidl::Persistable for SocketRecvMsgResponse {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct RecvControlData {
    /// Socket level ancillary data.
    pub socket: Option<fidl_fuchsia_posix_socket__common::SocketRecvControlData>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for RecvControlData {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct SendControlData {
    /// Socket level ancillary data.
    pub socket: Option<fidl_fuchsia_posix_socket__common::SocketSendControlData>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for SendControlData {}

#[derive(Clone, Debug, PartialEq)]
pub enum BoundInterface {
    All(Empty),
    Specified(InterfaceProperties),
}

impl BoundInterface {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::All(_) => 1,
            Self::Specified(_) => 2,
        }
    }
}

impl fidl::Persistable for BoundInterface {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum BoundInterfaceId {
    All(Empty),
    Specified(u64),
}

impl BoundInterfaceId {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::All(_) => 1,
            Self::Specified(_) => 2,
        }
    }
}

impl fidl::Persistable for BoundInterfaceId {}

/// A hardware address.
#[derive(Clone, Debug)]
pub enum HardwareAddress {
    /// Indicates that the hardware does not support link-layer addressing.
    None(Empty),
    /// An EUI-48 based address.
    Eui48(fidl_fuchsia_net__common::MacAddress),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `HardwareAddress` member.
#[macro_export]
macro_rules! HardwareAddressUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for HardwareAddress {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::None(x), Self::None(y)) => *x == *y,
            (Self::Eui48(x), Self::Eui48(y)) => *x == *y,
            _ => false,
        }
    }
}

impl HardwareAddress {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::None(_) => 1,
            Self::Eui48(_) => 2,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Persistable for HardwareAddress {}

/// The protocol association for a packet socket.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum ProtocolAssociation {
    /// An association with all protocols.
    All(Empty),
    /// An association with a protocol.
    Specified(u16),
}

impl ProtocolAssociation {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::All(_) => 1,
            Self::Specified(_) => 2,
        }
    }
}

impl fidl::Persistable for ProtocolAssociation {}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for HardwareType {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for HardwareType {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for HardwareType {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for HardwareType {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::NetworkOnly
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for Kind {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for Kind {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for Kind {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Kind {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Network
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for PacketType {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for PacketType {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for PacketType {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for PacketType {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Host
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for Empty {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Empty {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            1
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            1
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Empty, D> for &Empty {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Empty>(offset);
            encoder.write_num(0u8, offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Empty {
        #[inline(always)]
        fn new_empty() -> Self {
            Self
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            match decoder.read_num::<u8>(offset) {
                0 => Ok(()),
                _ => Err(fidl::Error::Invalid),
            }
        }
    }

    impl fidl::encoding::ValueTypeMarker for InterfaceProperties {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for InterfaceProperties {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<InterfaceProperties, D>
        for &InterfaceProperties
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<InterfaceProperties>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<InterfaceProperties, D>::encode(
                (
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(&self.id),
                    <HardwareAddress as fidl::encoding::ValueTypeMarker>::borrow(&self.addr),
                    <HardwareType as fidl::encoding::ValueTypeMarker>::borrow(&self.type_),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<u64, D>,
            T1: fidl::encoding::Encode<HardwareAddress, D>,
            T2: fidl::encoding::Encode<HardwareType, D>,
        > fidl::encoding::Encode<InterfaceProperties, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<InterfaceProperties>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(24);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for InterfaceProperties {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                id: fidl::new_empty!(u64, D),
                addr: fidl::new_empty!(HardwareAddress, D),
                type_: fidl::new_empty!(HardwareType, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(24) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 24 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(u64, D, &mut self.id, decoder, offset + 0, _depth)?;
            fidl::decode!(HardwareAddress, D, &mut self.addr, decoder, offset + 8, _depth)?;
            fidl::decode!(HardwareType, D, &mut self.type_, decoder, offset + 24, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for PacketInfo {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for PacketInfo {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<PacketInfo, D>
        for &PacketInfo
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<PacketInfo>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<PacketInfo, D>::encode(
                (
                    <u16 as fidl::encoding::ValueTypeMarker>::borrow(&self.protocol),
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(&self.interface_id),
                    <HardwareAddress as fidl::encoding::ValueTypeMarker>::borrow(&self.addr),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<u16, D>,
            T1: fidl::encoding::Encode<u64, D>,
            T2: fidl::encoding::Encode<HardwareAddress, D>,
        > fidl::encoding::Encode<PacketInfo, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<PacketInfo>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for PacketInfo {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                protocol: fidl::new_empty!(u16, D),
                interface_id: fidl::new_empty!(u64, D),
                addr: fidl::new_empty!(HardwareAddress, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffff0000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(u16, D, &mut self.protocol, decoder, offset + 0, _depth)?;
            fidl::decode!(u64, D, &mut self.interface_id, decoder, offset + 8, _depth)?;
            fidl::decode!(HardwareAddress, D, &mut self.addr, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ProviderSocketRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ProviderSocketRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<ProviderSocketRequest, D>
        for &ProviderSocketRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderSocketRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ProviderSocketRequest, D>::encode(
                (<Kind as fidl::encoding::ValueTypeMarker>::borrow(&self.kind),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<D: fidl::encoding::ResourceDialect, T0: fidl::encoding::Encode<Kind, D>>
        fidl::encoding::Encode<ProviderSocketRequest, D> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderSocketRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ProviderSocketRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { kind: fidl::new_empty!(Kind, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(Kind, D, &mut self.kind, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for RecvPacketInfo {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for RecvPacketInfo {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            40
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<RecvPacketInfo, D>
        for &RecvPacketInfo
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RecvPacketInfo>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<RecvPacketInfo, D>::encode(
                (
                    <PacketInfo as fidl::encoding::ValueTypeMarker>::borrow(&self.packet_info),
                    <PacketType as fidl::encoding::ValueTypeMarker>::borrow(&self.packet_type),
                    <HardwareType as fidl::encoding::ValueTypeMarker>::borrow(&self.interface_type),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<PacketInfo, D>,
            T1: fidl::encoding::Encode<PacketType, D>,
            T2: fidl::encoding::Encode<HardwareType, D>,
        > fidl::encoding::Encode<RecvPacketInfo, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RecvPacketInfo>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 32, depth)?;
            self.2.encode(encoder, offset + 36, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for RecvPacketInfo {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                packet_info: fidl::new_empty!(PacketInfo, D),
                packet_type: fidl::new_empty!(PacketType, D),
                interface_type: fidl::new_empty!(HardwareType, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(PacketInfo, D, &mut self.packet_info, decoder, offset + 0, _depth)?;
            fidl::decode!(PacketType, D, &mut self.packet_type, decoder, offset + 32, _depth)?;
            fidl::decode!(HardwareType, D, &mut self.interface_type, decoder, offset + 36, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketBindRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SocketBindRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketBindRequest, D>
        for &SocketBindRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketBindRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketBindRequest, D>::encode(
                (
                    <fidl::encoding::OptionalUnion<ProtocolAssociation> as fidl::encoding::ValueTypeMarker>::borrow(&self.protocol),
                    <BoundInterfaceId as fidl::encoding::ValueTypeMarker>::borrow(&self.bound_interface_id),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::OptionalUnion<ProtocolAssociation>, D>,
            T1: fidl::encoding::Encode<BoundInterfaceId, D>,
        > fidl::encoding::Encode<SocketBindRequest, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketBindRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketBindRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                protocol: fidl::new_empty!(fidl::encoding::OptionalUnion<ProtocolAssociation>, D),
                bound_interface_id: fidl::new_empty!(BoundInterfaceId, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl::encoding::OptionalUnion<ProtocolAssociation>,
                D,
                &mut self.protocol,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                BoundInterfaceId,
                D,
                &mut self.bound_interface_id,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketRecvMsgRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SocketRecvMsgRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            12
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketRecvMsgRequest, D>
        for &SocketRecvMsgRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketRecvMsgRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketRecvMsgRequest, D>::encode(
                (
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.want_packet_info),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.data_len),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.want_control),
                    <fidl_fuchsia_posix_socket__common::RecvMsgFlags as fidl::encoding::ValueTypeMarker>::borrow(&self.flags),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<bool, D>,
            T1: fidl::encoding::Encode<u32, D>,
            T2: fidl::encoding::Encode<bool, D>,
            T3: fidl::encoding::Encode<fidl_fuchsia_posix_socket__common::RecvMsgFlags, D>,
        > fidl::encoding::Encode<SocketRecvMsgRequest, D> for (T0, T1, T2, T3)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketRecvMsgRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u32).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(8);
                (ptr as *mut u32).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            self.2.encode(encoder, offset + 8, depth)?;
            self.3.encode(encoder, offset + 10, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketRecvMsgRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                want_packet_info: fidl::new_empty!(bool, D),
                data_len: fidl::new_empty!(u32, D),
                want_control: fidl::new_empty!(bool, D),
                flags: fidl::new_empty!(fidl_fuchsia_posix_socket__common::RecvMsgFlags, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u32).read_unaligned() };
            let mask = 0xffffff00u32;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(8) };
            let padval = unsafe { (ptr as *const u32).read_unaligned() };
            let mask = 0xff00u32;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 8 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(bool, D, &mut self.want_packet_info, decoder, offset + 0, _depth)?;
            fidl::decode!(u32, D, &mut self.data_len, decoder, offset + 4, _depth)?;
            fidl::decode!(bool, D, &mut self.want_control, decoder, offset + 8, _depth)?;
            fidl::decode!(
                fidl_fuchsia_posix_socket__common::RecvMsgFlags,
                D,
                &mut self.flags,
                decoder,
                offset + 10,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketSendMsgRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SocketSendMsgRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            48
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketSendMsgRequest, D>
        for &SocketSendMsgRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketSendMsgRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketSendMsgRequest, D>::encode(
                (
                    <fidl::encoding::Boxed<PacketInfo> as fidl::encoding::ValueTypeMarker>::borrow(&self.packet_info),
                    <fidl::encoding::UnboundedVector<u8> as fidl::encoding::ValueTypeMarker>::borrow(&self.data),
                    <SendControlData as fidl::encoding::ValueTypeMarker>::borrow(&self.control),
                    <fidl_fuchsia_posix_socket__common::SendMsgFlags as fidl::encoding::ValueTypeMarker>::borrow(&self.flags),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::Boxed<PacketInfo>, D>,
            T1: fidl::encoding::Encode<fidl::encoding::UnboundedVector<u8>, D>,
            T2: fidl::encoding::Encode<SendControlData, D>,
            T3: fidl::encoding::Encode<fidl_fuchsia_posix_socket__common::SendMsgFlags, D>,
        > fidl::encoding::Encode<SocketSendMsgRequest, D> for (T0, T1, T2, T3)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketSendMsgRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(40);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            self.3.encode(encoder, offset + 40, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketSendMsgRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                packet_info: fidl::new_empty!(fidl::encoding::Boxed<PacketInfo>, D),
                data: fidl::new_empty!(fidl::encoding::UnboundedVector<u8>, D),
                control: fidl::new_empty!(SendControlData, D),
                flags: fidl::new_empty!(fidl_fuchsia_posix_socket__common::SendMsgFlags, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(40) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffff0000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 40 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                fidl::encoding::Boxed<PacketInfo>,
                D,
                &mut self.packet_info,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::UnboundedVector<u8>,
                D,
                &mut self.data,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(SendControlData, D, &mut self.control, decoder, offset + 24, _depth)?;
            fidl::decode!(
                fidl_fuchsia_posix_socket__common::SendMsgFlags,
                D,
                &mut self.flags,
                decoder,
                offset + 40,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketGetInfoResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SocketGetInfoResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            40
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketGetInfoResponse, D>
        for &SocketGetInfoResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketGetInfoResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketGetInfoResponse, D>::encode(
                (
                    <Kind as fidl::encoding::ValueTypeMarker>::borrow(&self.kind),
                    <fidl::encoding::OptionalUnion<ProtocolAssociation> as fidl::encoding::ValueTypeMarker>::borrow(&self.protocol),
                    <BoundInterface as fidl::encoding::ValueTypeMarker>::borrow(&self.bound_interface),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<Kind, D>,
            T1: fidl::encoding::Encode<fidl::encoding::OptionalUnion<ProtocolAssociation>, D>,
            T2: fidl::encoding::Encode<BoundInterface, D>,
        > fidl::encoding::Encode<SocketGetInfoResponse, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketGetInfoResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketGetInfoResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                kind: fidl::new_empty!(Kind, D),
                protocol: fidl::new_empty!(fidl::encoding::OptionalUnion<ProtocolAssociation>, D),
                bound_interface: fidl::new_empty!(BoundInterface, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(Kind, D, &mut self.kind, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::OptionalUnion<ProtocolAssociation>,
                D,
                &mut self.protocol,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(
                BoundInterface,
                D,
                &mut self.bound_interface,
                decoder,
                offset + 24,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SocketRecvMsgResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SocketRecvMsgResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            48
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SocketRecvMsgResponse, D>
        for &SocketRecvMsgResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketRecvMsgResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SocketRecvMsgResponse, D>::encode(
                (
                    <fidl::encoding::Boxed<RecvPacketInfo> as fidl::encoding::ValueTypeMarker>::borrow(&self.packet_info),
                    <fidl::encoding::UnboundedVector<u8> as fidl::encoding::ValueTypeMarker>::borrow(&self.data),
                    <RecvControlData as fidl::encoding::ValueTypeMarker>::borrow(&self.control),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.truncated),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::Boxed<RecvPacketInfo>, D>,
            T1: fidl::encoding::Encode<fidl::encoding::UnboundedVector<u8>, D>,
            T2: fidl::encoding::Encode<RecvControlData, D>,
            T3: fidl::encoding::Encode<u32, D>,
        > fidl::encoding::Encode<SocketRecvMsgResponse, D> for (T0, T1, T2, T3)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SocketRecvMsgResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(40);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            self.3.encode(encoder, offset + 40, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SocketRecvMsgResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                packet_info: fidl::new_empty!(fidl::encoding::Boxed<RecvPacketInfo>, D),
                data: fidl::new_empty!(fidl::encoding::UnboundedVector<u8>, D),
                control: fidl::new_empty!(RecvControlData, D),
                truncated: fidl::new_empty!(u32, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(40) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 40 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                fidl::encoding::Boxed<RecvPacketInfo>,
                D,
                &mut self.packet_info,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::UnboundedVector<u8>,
                D,
                &mut self.data,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(RecvControlData, D, &mut self.control, decoder, offset + 24, _depth)?;
            fidl::decode!(u32, D, &mut self.truncated, decoder, offset + 40, _depth)?;
            Ok(())
        }
    }

    impl RecvControlData {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.socket {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for RecvControlData {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for RecvControlData {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<RecvControlData, D>
        for &RecvControlData
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RecvControlData>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_posix_socket__common::SocketRecvControlData, D>(
            self.socket.as_ref().map(<fidl_fuchsia_posix_socket__common::SocketRecvControlData as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for RecvControlData {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl_fuchsia_posix_socket__common::SocketRecvControlData as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.socket.get_or_insert_with(|| {
                    fidl::new_empty!(fidl_fuchsia_posix_socket__common::SocketRecvControlData, D)
                });
                fidl::decode!(
                    fidl_fuchsia_posix_socket__common::SocketRecvControlData,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl SendControlData {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.socket {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for SendControlData {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SendControlData {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SendControlData, D>
        for &SendControlData
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SendControlData>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_posix_socket__common::SocketSendControlData, D>(
            self.socket.as_ref().map(<fidl_fuchsia_posix_socket__common::SocketSendControlData as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SendControlData {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl_fuchsia_posix_socket__common::SocketSendControlData as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.socket.get_or_insert_with(|| {
                    fidl::new_empty!(fidl_fuchsia_posix_socket__common::SocketSendControlData, D)
                });
                fidl::decode!(
                    fidl_fuchsia_posix_socket__common::SocketSendControlData,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for BoundInterface {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for BoundInterface {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<BoundInterface, D>
        for &BoundInterface
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<BoundInterface>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                BoundInterface::All(ref val) => fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                BoundInterface::Specified(ref val) => {
                    fidl::encoding::encode_in_envelope::<InterfaceProperties, D>(
                        <InterfaceProperties as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for BoundInterface {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::All(fidl::new_empty!(Empty, D))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <InterfaceProperties as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context,
                ),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterface::All(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = BoundInterface::All(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterface::All(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterface::Specified(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = BoundInterface::Specified(fidl::new_empty!(InterfaceProperties, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterface::Specified(ref mut val) = self {
                        fidl::decode!(InterfaceProperties, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for BoundInterfaceId {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for BoundInterfaceId {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<BoundInterfaceId, D>
        for &BoundInterfaceId
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<BoundInterfaceId>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                BoundInterfaceId::All(ref val) => fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                BoundInterfaceId::Specified(ref val) => {
                    fidl::encoding::encode_in_envelope::<u64, D>(
                        <u64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for BoundInterfaceId {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::All(fidl::new_empty!(Empty, D))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterfaceId::All(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = BoundInterfaceId::All(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterfaceId::All(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterfaceId::Specified(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = BoundInterfaceId::Specified(fidl::new_empty!(u64, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let BoundInterfaceId::Specified(ref mut val) = self {
                        fidl::decode!(u64, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for HardwareAddress {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for HardwareAddress {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<HardwareAddress, D>
        for &HardwareAddress
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<HardwareAddress>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
            HardwareAddress::None(ref val) => {
                fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            HardwareAddress::Eui48(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl_fuchsia_net__common::MacAddress, D>(
                    <fidl_fuchsia_net__common::MacAddress as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            HardwareAddress::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
        }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for HardwareAddress {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
            1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            2 => <fidl_fuchsia_net__common::MacAddress as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            0 => return Err(fidl::Error::UnknownUnionTag),
            _ => num_bytes as usize,
        };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let HardwareAddress::None(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = HardwareAddress::None(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let HardwareAddress::None(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let HardwareAddress::Eui48(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = HardwareAddress::Eui48(fidl::new_empty!(
                            fidl_fuchsia_net__common::MacAddress,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let HardwareAddress::Eui48(ref mut val) = self {
                        fidl::decode!(
                            fidl_fuchsia_net__common::MacAddress,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = HardwareAddress::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ProtocolAssociation {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ProtocolAssociation {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<ProtocolAssociation, D>
        for &ProtocolAssociation
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProtocolAssociation>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                ProtocolAssociation::All(ref val) => {
                    fidl::encoding::encode_in_envelope::<Empty, D>(
                        <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                ProtocolAssociation::Specified(ref val) => {
                    fidl::encoding::encode_in_envelope::<u16, D>(
                        <u16 as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ProtocolAssociation {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::All(fidl::new_empty!(Empty, D))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <u16 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ProtocolAssociation::All(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ProtocolAssociation::All(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ProtocolAssociation::All(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ProtocolAssociation::Specified(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ProtocolAssociation::Specified(fidl::new_empty!(u16, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ProtocolAssociation::Specified(ref mut val) = self {
                        fidl::decode!(u16, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}