Struct driverkit::iomem::IOBufChain

pub struct IOBufChain {
    pub csum_flags: u32,
    pub csum_data: u32,
    pub vtag: Option<u32>,
    pub flags: u32,
    pub rss_flow_id: Option<usize>,
    pub rss_type: u32,
    pub segments: VecDeque<IOBuf>,
    /* private fields */
}

An IO buffer.

Fields

csum_flags: u32

Check sum flags (set by driver on rx)

csum_data: u32

Checksum data (set by driver on rx)

vtag: Option<u32>

VLAN tag (set by device driver on rx)

flags: u32

Flags (to be used by device driver).

rss_flow_id: Option<usize>

Flow ID for RSS

rss_type: u32

RSS type

segments: VecDeque<IOBuf>

The IOBuf fragments

Implementations

impl IOBufChain

pub fn new(flags: u32, len: usize) -> Result<IOBufChain, IOMemError>

pub fn set_meta_data( &mut self, total_len: usize, segments: usize, cqidx: usize, rss_flow_id: Option<usize>, rsstype: u32 )

Set meta-data provided by the driver

pub fn append(&mut self, buf: IOBuf)

Trait Implementations

impl Debug for IOBufChain

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

Formats the value using the given formatter.

impl Index<usize> for IOBufChain

implementation for the index operator [] on IOBuf

type Output = u8

The returned type after indexing.

fn index(&self, index: usize) -> &Self::Output

Performs the indexing (container[index]) operation.