pub struct ManagementHeader {
pub frame_control: FrameControl,
pub duration: [u8; 2],
pub address_1: MacAddress,
pub address_2: MacAddress,
pub address_3: MacAddress,
pub sequence_control: SequenceControl,
}
Expand description
Representation of a management frame header. This format is used by all management frames!
This struct implements the Addresses
trait, which provides the src
, dest
and bssid
functions.
Structure of a management header:
Bytes 0-1
These contain protocol meta information and flags. These have already been parsed!
Take a look at the FrameControl struct for more information.
Bytes 2-3
Those are the duration bytes. These are always present!
They are quite specific and not explained here.
Bytes 4-29
These contain all important address information.
byte 4-9: Address 1. Always present! byte 10-15: Address 2. byte 16-21: Address 3. byte 22-23: Sequence Control.
Sequence Control:
Contains the FragmentNumber and SequenceNumber that define the main frame and the number of fragments in the frame.
Fields§
§frame_control: FrameControl
§duration: [u8; 2]
§address_1: MacAddress
§address_2: MacAddress
§address_3: MacAddress
§sequence_control: SequenceControl
Implementations§
Trait Implementations§
Source§impl Addresses for ManagementHeader
Which address is used in which way, depends on a combination of
impl Addresses for ManagementHeader
Which address is used in which way, depends on a combination of
- two flags in the FrameControl header.
- the Type/Subtype constellation.
A rule of thumb is this:
Address 1:
The recipient station address.
If to_ds
is set, this is the AP address.
If from_ds
is set then this is the station address
Address 2:
The transmitter station address.
If from_ds
is set, this is the AP address.
If to_ds
is set then this is the station address.
Address 3:
If Address 1 contains the destination address then Address 3 will contain the source address.
Similarly, if Address 2 contains the source address then Address 3 will contain the destination address.
Sequence Control:
Contains the FragmentNumber and SequenceNumber that define the main frame and the number of fragments in the frame.
Source§fn src(&self) -> Option<&MacAddress>
fn src(&self) -> Option<&MacAddress>
Return the mac address of the sender
Source§fn dest(&self) -> &MacAddress
fn dest(&self) -> &MacAddress
Return the mac address of the receiver.
A full ff:ff:..
usually indicates a undirected broadcast.
Source§fn bssid(&self) -> Option<&MacAddress>
fn bssid(&self) -> Option<&MacAddress>
The BSSID for this request. In most cases, this is expected to be present. The only time it’s not, is in a wireless distributed system (WDS).
Source§impl Clone for ManagementHeader
impl Clone for ManagementHeader
Source§fn clone(&self) -> ManagementHeader
fn clone(&self) -> ManagementHeader
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moreAuto Trait Implementations§
impl Freeze for ManagementHeader
impl RefUnwindSafe for ManagementHeader
impl Send for ManagementHeader
impl Sync for ManagementHeader
impl Unpin for ManagementHeader
impl UnwindSafe for ManagementHeader
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