freewtp/lib/element_80211_mac_profile.c
2016-08-23 08:55:15 +02:00

90 lines
2.3 KiB
C

#include "capwap.h"
#include "element.h"
/*
* The IEEE 802.11 MAC Profile message element allows the AC to select a
* profile. This message element may be provided along with the IEEE
* 802.11 ADD WLAN message element while configuring a WLAN on the WTP.
*
* 0 1 2 3 4 5 6 7
* +=+-+-+-+-+-+-+-+
* | Profile |
* +-+-+-+-+-+-+-+-+
*
* o Type: 1061 for IEEE 802.11 MAC Profile
*
* o Profile: The profile is identified by a value as given below
*
* * 0: This refers to the IEEE 802.11 Split MAC Profile with WTP
* encryption
*
* * 1: This refers to the IEEE 802.11 Split MAC Profile with AC
* encryption
*/
/* */
static void
capwap_80211_mac_profile_element_create(void *data, capwap_message_elements_handle handle,
struct capwap_write_message_elements_ops *func)
{
struct capwap_80211_mac_profile_element *element =
(struct capwap_80211_mac_profile_element*)data;
ASSERT(data != NULL);
func->write_u8(handle, element->mac_profile);
}
/* */
static void *
capwap_80211_mac_profile_element_parsing(capwap_message_elements_handle handle,
struct capwap_read_message_elements_ops *func)
{
unsigned short length;
struct capwap_80211_mac_profile_element *data;
ASSERT(handle != NULL);
ASSERT(func != NULL);
length = func->read_ready(handle);
if (length != 1) {
log_printf(LOG_DEBUG, "Invalid IEEE 802.11 Supported MAC Profiles element");
return NULL;
}
/* */
data = (struct capwap_80211_mac_profile_element *)
capwap_alloc(sizeof(struct capwap_80211_mac_profile_element));
memset(data, 0, sizeof(struct capwap_80211_mac_profile_element));
/* Retrieve data */
func->read_u8(handle, &data->mac_profile);
return data;
}
/* */
static void *capwap_80211_mac_profile_element_clone(void *data)
{
ASSERT(data != NULL);
return capwap_clone(data, sizeof(struct capwap_80211_mac_profile_element));
}
/* */
static void capwap_80211_mac_profile_element_free(void *data)
{
ASSERT(data != NULL);
capwap_free(data);
}
/* */
const struct capwap_message_elements_ops capwap_element_80211_mac_profile_ops = {
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
.create = capwap_80211_mac_profile_element_create,
.parse = capwap_80211_mac_profile_element_parsing,
.clone = capwap_80211_mac_profile_element_clone,
.free = capwap_80211_mac_profile_element_free
};