Struct VirtioNetHeader

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#[repr(C)]pub struct VirtioNetHeader {
    pub flags: u8,
    pub gso_type: u8,
    pub hdr_len: u16,
    pub gso_size: u16,
    pub csum_start: u16,
    pub csum_offset: u16,
    pub num_buffers: u16,
}

Expand description

VirtIO network header.

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§flags: u8

Flags.

§gso_type: u8

GSO type.

§hdr_len: u16

Header length.

§gso_size: u16

GSO size.

§csum_start: u16

Checksum start.

§csum_offset: u16

Checksum offset.

§num_buffers: u16

Number of buffers.

Implementations§

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impl VirtioNetHeader

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pub const SIZE: usize = 12

Size of the header in bytes.

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pub const GSO_NONE: u8

No GSO.

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pub const GSO_TCPV4: u8

TCP/IPv4 GSO.

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pub const GSO_UDP: u8

UDP GSO.

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pub const GSO_TCPV6: u8

TCP/IPv6 GSO.

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pub const GSO_ECN: u8

ECN flag.

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pub const FLAG_NEEDS_CSUM: u8

Header needs checksum.

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pub const FLAG_DATA_VALID: u8

Data is valid.

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pub fn new() -> VirtioNetHeader

Creates a new header.

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pub fn from_bytes(bytes: &[u8]) -> Option<VirtioNetHeader>

Parses from bytes.

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pub fn to_bytes(&self) -> [u8; 12]

Converts to bytes.

Trait Implementations§

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impl Clone for VirtioNetHeader

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fn clone(&self) -> VirtioNetHeader

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

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impl Copy for VirtioNetHeader

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impl Debug for VirtioNetHeader

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

Formats the value using the given formatter. Read more

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impl Default for VirtioNetHeader

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fn default() -> VirtioNetHeader

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for VirtioNetHeader

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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

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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

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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