Skip to main content

Ipv4Hdr

network_types::ip

Struct Ipv4Hdr

#[repr(C)]pub struct Ipv4Hdr {
    pub vihl: u8,
    pub tos: u8,
    pub tot_len: [u8; 2],
    pub id: [u8; 2],
    pub frags: [u8; 2],
    pub ttl: u8,
    pub proto: u8,
    pub check: [u8; 2],
    pub src_addr: [u8; 4],
    pub dst_addr: [u8; 4],
}

Expand description

IPv4 header, which is present after the Ethernet header.

Fields§

§vihl: u8§tos: u8§tot_len: [u8; 2]§id: [u8; 2]§frags: [u8; 2]§ttl: u8§proto: u8§check: [u8; 2]§src_addr: [u8; 4]§dst_addr: [u8; 4]

Implementations§

impl Ipv4Hdr

pub const LEN: usize

pub fn version(&self) -> u8

Returns the IP version field (should be 4).

pub fn ihl(&self) -> u8

Returns the IP header length in bytes.

pub fn options_len(&self) -> u8

Returns the length of the IP options in bytes.

pub fn set_vihl(&mut self, version: u8, ihl_in_bytes: u8)

Sets both the version and IHL fields.

pub fn dscp(&self) -> u8

Returns the DSCP (Differentiated Services Code Point) field.

pub fn ecn(&self) -> u8

Returns the ECN (Explicit Congestion Notification) field.

pub fn set_tos(&mut self, dscp: u8, ecn: u8)

Sets the TOS field with separate DSCP and ECN values.

pub fn tot_len(&self) -> u16

Returns the total length of the IP packet.

pub fn set_tot_len(&mut self, len: u16)

Sets the total length of the IP packet.

pub fn id(&self) -> u16

Returns the identification field.

pub fn set_id(&mut self, id: u16)

Sets the identification field.

pub fn frag_flags(&self) -> u8

Returns the fragmentation flags (3 bits).

pub fn frag_offset(&self) -> u16

Returns the fragmentation offset (13 bits).

pub fn set_frags(&mut self, flags: u8, offset: u16)

Sets both the fragmentation flags and offset.

pub fn proto(&self) -> Result<IpProto, IpError>

Returns the encapsulated protocol.

pub fn set_proto(&mut self, proto: IpProto)

Sets the encapsulated protocol.

pub fn checksum(&self) -> u16

Returns the checksum field.

pub fn set_checksum(&mut self, checksum: u16)

Sets the checksum field.

pub fn src_addr(&self) -> Ipv4Addr

Returns the source address field.

pub fn dst_addr(&self) -> Ipv4Addr

Returns the destination address field.

pub fn set_src_addr(&mut self, src: Ipv4Addr)

Sets the source address field.

pub fn set_dst_addr(&mut self, dst: Ipv4Addr)

Sets the destination address field.

Trait Implementations§

impl Clone for Ipv4Hdr

fn clone(&self) -> Ipv4Hdr

Returns a duplicate of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Ipv4Hdr

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl<'de, WincodeConfig: Config> SchemaRead<'de, WincodeConfig> for Ipv4Hdr

const TYPE_META: TypeMeta

Metadata about the type’s serialization. Read more

type Dst = Ipv4Hdr

fn read( reader: impl Reader<'de>, dst: &mut MaybeUninit<Self::Dst>, ) -> ReadResult<()>

Read into dst from reader. Read more

fn get(reader: impl Reader<'de>) -> Result<Self::Dst, ReadError>

Read Self::Dst from reader into a new Self::Dst.

impl<WincodeConfig: Config> SchemaWrite<WincodeConfig> for Ipv4Hdr

const TYPE_META: TypeMeta

Metadata about the type’s serialization. Read more

type Src = Ipv4Hdr

fn size_of(src: &Self::Src) -> WriteResult<usize>

Get the serialized size of Self::Src. Read more

fn write(writer: impl Writer, src: &Self::Src) -> WriteResult<()>

Write Self::Src to writer.

impl<WincodeConfig: Config> ZeroCopy<WincodeConfig> for Ipv4Hdr
where for<'_wincode_internal, '_wincode_internal, '_wincode_internal, '_wincode_internal> u8: ZeroCopy<WincodeConfig>, for<'_wincode_internal, '_wincode_internal, '_wincode_internal, '_wincode_internal> [u8; 2]: ZeroCopy<WincodeConfig>, for<'_wincode_internal, '_wincode_internal> [u8; 4]: ZeroCopy<WincodeConfig>, for<'_wincode_internal> Assert<{ _ }>: IsTrue,

fn from_bytes<'de>(bytes: &'de [u8], config: C) -> Result<&'de Self, ReadError>
where Self: Sized + SchemaRead<'de, C, Dst = Self>,

Like crate::ZeroCopy::from_bytes, but allows the caller to provide a custom configuration.

fn from_bytes_mut<'de>( bytes: &'de mut [u8], config: C, ) -> Result<&'de mut Self, ReadError>
where Self: Sized + SchemaRead<'de, C, Dst = Self>,

Like crate::ZeroCopy::from_bytes_mut, but allows the caller to provide a custom configuration.

impl Copy for Ipv4Hdr

Auto Trait Implementations§

impl Freeze for Ipv4Hdr

impl RefUnwindSafe for Ipv4Hdr

impl Send for Ipv4Hdr

impl Sync for Ipv4Hdr

impl Unpin for Ipv4Hdr

impl UnsafeUnpin for Ipv4Hdr

impl UnwindSafe for Ipv4Hdr

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<'de, T> Deserialize<'de> for T
where T: SchemaRead<'de, Configuration>,

fn deserialize(src: &'de [u8]) -> Result<Self::Dst, ReadError>

Deserialize the input src bytes into a new Self::Dst.

fn deserialize_into( src: &'de [u8], dst: &mut MaybeUninit<Self::Dst>, ) -> Result<(), ReadError>

Deserialize the input src bytes into dst.

impl<'de, T, C> Deserialize<'de, C> for T
where C: Config, T: SchemaRead<'de, C>,

fn deserialize(src: &'de [u8], config: C) -> Result<Self::Dst, ReadError>

Deserialize the input bytes into a new Self::Dst.

fn deserialize_into( src: &'de [u8], dst: &mut MaybeUninit<Self::Dst>, config: C, ) -> Result<(), ReadError>

Deserialize the input bytes into dst.

impl<T, C> DeserializeOwned<C> for T
where C: Config, T: SchemaReadOwned<C>,

fn deserialize_from<'de>(src: impl Reader<'de>) -> Result<Self::Dst, ReadError>

Deserialize from the given Reader into a new Self::Dst.

fn deserialize_from_into<'de>( src: impl Reader<'de>, dst: &mut MaybeUninit<Self::Dst>, ) -> Result<(), ReadError>

Deserialize from the given Reader into dst.

impl<T> DeserializeOwned for T
where T: SchemaReadOwned<Configuration>,

fn deserialize_from<'de>(src: impl Reader<'de>) -> Result<Self::Dst, ReadError>

Deserialize from the given Reader into a new Self::Dst.

fn deserialize_from_into<'de>( src: impl Reader<'de>, dst: &mut MaybeUninit<Self::Dst>, ) -> Result<(), ReadError>

Deserialize from the given Reader into dst.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T, C> Serialize<C> for T
where C: Config, T: SchemaWrite<C> + ?Sized,

fn serialize_into( dst: impl Writer, src: &Self::Src, config: C, ) -> Result<(), WriteError>

Serialize a serializable type into the given Writer.

fn serialized_size(src: &Self::Src, config: C) -> Result<u64, WriteError>

Get the size in bytes of the type when serialized.

impl<T> Serialize for T
where T: SchemaWrite<Configuration> + ?Sized,

fn serialize_into(dst: impl Writer, src: &Self::Src) -> Result<(), WriteError>

Serialize a serializable type into the given byte buffer.

fn serialized_size(src: &Self::Src) -> Result<u64, WriteError>

Get the size in bytes of the type when serialized.

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<T> ZeroCopy for T
where T: ZeroCopy<Configuration>,

fn from_bytes<'de>(bytes: &'de [u8]) -> Result<&'de Self, ReadError>
where Self: Sized + SchemaRead<'de, Configuration, Dst = Self>,

Get a reference to a type from the given bytes. Read more

fn from_bytes_mut<'de>(bytes: &'de mut [u8]) -> Result<&'de mut Self, ReadError>
where Self: Sized + SchemaRead<'de, Configuration, Dst = Self>,

Get a mutable reference to a type from the given bytes. Read more

impl<T, C> SchemaReadOwned<C> for T
where C: ConfigCore, T: for<'de> SchemaRead<'de, C>,