89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
#include "capwap.h"
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#include "element.h"
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/********************************************************************
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0 1 2 3
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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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Radio ID | Reserved | Current Chan | Current CCA |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Energy Detect Threshold |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Type: 1028 for IEEE 802.11 Direct Sequence Control
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Length: 8
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********************************************************************/
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/* */
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static void capwap_80211_directsequencecontrol_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
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struct capwap_80211_directsequencecontrol_element* element = (struct capwap_80211_directsequencecontrol_element*)data;
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ASSERT(data != NULL);
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ASSERT(IS_VALID_RADIOID(element->radioid));
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/* */
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func->write_u8(handle, element->radioid);
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func->write_u8(handle, 0);
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func->write_u8(handle, element->currentchannel);
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func->write_u8(handle, element->currentcca);
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func->write_u32(handle, element->enerydetectthreshold);
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}
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/* */
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static void* capwap_80211_directsequencecontrol_element_clone(void* data) {
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ASSERT(data != NULL);
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return capwap_clone(data, sizeof(struct capwap_80211_directsequencecontrol_element));
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}
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/* */
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static void capwap_80211_directsequencecontrol_element_free(void* data) {
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ASSERT(data != NULL);
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capwap_free(data);
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}
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/* */
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static void* capwap_80211_directsequencecontrol_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
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struct capwap_80211_directsequencecontrol_element* data;
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ASSERT(handle != NULL);
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ASSERT(func != NULL);
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if (func->read_ready(handle) != 8) {
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log_printf(LOG_DEBUG, "Invalid IEEE 802.11 Direct Sequence Control element");
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return NULL;
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}
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/* */
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data = (struct capwap_80211_directsequencecontrol_element*)capwap_alloc(sizeof(struct capwap_80211_directsequencecontrol_element));
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memset(data, 0, sizeof(struct capwap_80211_directsequencecontrol_element));
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/* Retrieve data */
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func->read_u8(handle, &data->radioid);
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if (!IS_VALID_RADIOID(data->radioid)) {
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capwap_80211_directsequencecontrol_element_free((void*)data);
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log_printf(LOG_DEBUG, "Invalid IEEE 802.11 Direct Sequence Control element: invalid radio");
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return NULL;
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}
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func->read_u8(handle, NULL);
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func->read_u8(handle, &data->currentchannel);
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func->read_u8(handle, &data->currentcca);
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func->read_u32(handle, &data->enerydetectthreshold);
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return data;
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}
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/* */
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const struct capwap_message_elements_ops capwap_element_80211_directsequencecontrol_ops = {
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.category = CAPWAP_MESSAGE_ELEMENT_ARRAY,
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.create = capwap_80211_directsequencecontrol_element_create,
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.parse = capwap_80211_directsequencecontrol_element_parsing,
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.clone = capwap_80211_directsequencecontrol_element_clone,
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.free = capwap_80211_directsequencecontrol_element_free
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};
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