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Added flag enums to RadioTap.

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This commit is contained in:
Matias Fontanini
2011-08-27 18:07:38 -03:00
parent 62a9122123
commit 840b08ef63
2 changed files with 81 additions and 16 deletions
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76
include/radiotap.h
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@@ -32,6 +32,59 @@ namespace Tins {
*/
class RadioTap : public PDU {
public:
/**
* \brief Enumeration of the different channel type flags.
*
* These channel type flags can be OR'd and set using the
* RadioTap::channel() method.
*/
enum ChannelType {
TURBO = 0x10,
CCK = 0x20,
OFDM = 0x40,
TWO_GZ = 0x80,
FIVE_GZ = 0x100,
PASSIVE = 0x200,
DYN_CCK_OFDM = 0x400,
GFSK = 0x800
};
/**
* \brief Flags used in the present field.
*
* \sa RadioTap::present()
*/
enum PresentFlags {
TSTF = 1,
FLAGS = 2,
RATE = 4,
CHANNEL = 8,
FHSS = 16,
DBM_SIGNAL = 32,
DBM_NOISE = 64,
LOCK_QUALITY = 128,
TX_ATTENUATION = 256,
DB_TX_ATTENUATION = 512,
DBM_TX_ATTENUATION = 1024,
ANTENNA = 2048,
DB_SIGNAL = 4096,
DB_NOISE = 8192,
RX_FLAGS = 16382
};
/**
* \brief Flags used in the RadioTap::flags() method.
*/
enum FrameFlags {
CFP = 1,
PREAMBLE = 2,
WEP = 4,
FRAGMENTATION = 8,
FCS = 16,
PADDING = 32,
FAILED_FCS = 64
};
/**
* \brief Creates an instance of RadioTap.
* \param iface The name of the interface in which to send this PDU.
@@ -87,7 +140,7 @@ namespace Tins {
* \brief Setter for the flags field.
* \param new_flags The new flags.
*/
void flags(uint8_t new_flags);
void flags(FrameFlags new_flags);
/**
* \brief Setter for the rate field.
@@ -150,7 +203,7 @@ namespace Tins {
* \brief Getter for the flags field.
* \return The flags field.
*/
inline uint8_t flags() const { return _flags; }
inline FrameFlags flags() const { return (FrameFlags)_flags; }
/**
* \brief Getter for the rate field.
@@ -188,6 +241,16 @@ namespace Tins {
*/
inline uint16_t rx_flags() const { return _rx_flags; }
/**
* \brief Getter for the present bit fields.
*
* Use this method and masks created from the values taken from
* the PresentFlags enum to find out which fields are set. If any
* getter is used for a non-initialized field, the return value
* will be undefined. It is only safe to use the getter of a field
* if its corresponding bit flag is set in the present field.
*/
PresentFlags present() const { return (PresentFlags)*(uint32_t*)(&_radio.it_len + 1); }
/**
* \brief Returns the RadioTap frame's header length.
@@ -210,10 +273,10 @@ namespace Tins {
PDUType pdu_type() const { return PDU::RADIOTAP; }
private:
struct radiotap_hdr {
u_int8_t it_version;
u_int8_t it_pad;
u_int16_t it_len;
u_int32_t tsft:1,
uint8_t it_version;
uint8_t it_pad;
uint16_t it_len;
uint32_t tsft:1,
flags:1,
rate:1,
channel:1,
@@ -236,6 +299,7 @@ namespace Tins {
void write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent);
radiotap_hdr _radio;
uint32_t _iface_index, _options_size;
// present fields...