freewtp/lib/element_80211n_radioconf.c
2016-08-23 08:55:15 +02:00

94 lines
2.7 KiB
C

#include "capwap.h"
#include "element.h"
/*
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Radio ID |S|P|N|G|B| | MaxSup MCS | Max MandMCS |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | TxAntenna | RxAntenna | Reserved |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* Type: TBD1 for IEEE 802.11n WLAN Radio Configuration
*
*/
/* */
static void
capwap_80211n_radioconf_element_create(void *data,
capwap_message_elements_handle handle,
struct capwap_write_message_elements_ops *func)
{
struct capwap_80211n_radioconf_element *element = (struct capwap_80211n_radioconf_element *)data;
ASSERT(data != NULL);
func->write_u8(handle, element->radioid);
func->write_u8(handle, element->flags & CAPWAP_80211N_RADIO_CONF_MASK);
func->write_u8(handle, element->maxsupmcs);
func->write_u8(handle, element->maxmandmcs);
func->write_u8(handle, element->txant);
func->write_u8(handle, element->rxant);
func->write_u16(handle, 0);
}
/* */
static void *
capwap_80211n_radioconf_element_parsing(capwap_message_elements_handle handle,
struct capwap_read_message_elements_ops *func)
{
struct capwap_80211n_radioconf_element *data;
uint16_t reserved;
ASSERT(handle != NULL);
ASSERT(func != NULL);
if (func->read_ready(handle) != 8) {
log_printf(LOG_DEBUG, "Invalid IEEE 802.11n Radio Configuration element");
return NULL;
}
/* */
data = (struct capwap_80211n_radioconf_element*)capwap_alloc(sizeof(struct capwap_80211n_radioconf_element));
memset(data, 0, sizeof(struct capwap_80211n_radioconf_element));
/* Retrieve data */
func->read_u8(handle, &data->radioid);
func->read_u8(handle, &data->flags);
func->read_u8(handle, &data->maxsupmcs);
func->read_u8(handle, &data->maxmandmcs);
func->read_u8(handle, &data->txant);
func->read_u8(handle, &data->rxant);
func->read_u16(handle, &reserved);
return data;
}
/* */
static void *
capwap_80211n_radioconf_element_clone(void *data)
{
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_80211n_radioconf_element));
}
/* */
static void
capwap_80211n_radioconf_element_free(void* data)
{
ASSERT(data != NULL);
capwap_free(data);
}
/* */
const struct capwap_message_elements_ops capwap_element_80211n_radioconf_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_ARRAY,
.create = capwap_80211n_radioconf_element_create,
.parse = capwap_80211n_radioconf_element_parsing,
.clone = capwap_80211n_radioconf_element_clone,
.free = capwap_80211n_radioconf_element_free
};