76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
#include "capwap.h"
|
|
#include "element.h"
|
|
|
|
/********************************************************************
|
|
|
|
0
|
|
0 1 2 3 4 5 6 7
|
|
+-+-+-+-+-+-+-+-+
|
|
| ECN Support |
|
|
+-+-+-+-+-+-+-+-+
|
|
|
|
Type: 53 for ECN Support
|
|
|
|
Length: 1
|
|
|
|
********************************************************************/
|
|
|
|
/* */
|
|
static void capwap_ecnsupport_element_create(void* data, capwap_message_elements_handle handle, struct capwap_write_message_elements_ops* func) {
|
|
struct capwap_ecnsupport_element* element = (struct capwap_ecnsupport_element*)data;
|
|
|
|
ASSERT(data != NULL);
|
|
ASSERT((element->flag == CAPWAP_LIMITED_ECN_SUPPORT) || (element->flag == CAPWAP_FULL_ECN_SUPPORT));
|
|
|
|
/* */
|
|
func->write_u8(handle, element->flag);
|
|
}
|
|
|
|
/* */
|
|
static void* capwap_ecnsupport_element_clone(void* data) {
|
|
ASSERT(data != NULL);
|
|
|
|
return capwap_clone(data, sizeof(struct capwap_ecnsupport_element));
|
|
}
|
|
|
|
/* */
|
|
static void capwap_ecnsupport_element_free(void* data) {
|
|
ASSERT(data != NULL);
|
|
|
|
capwap_free(data);
|
|
}
|
|
|
|
/* */
|
|
static void* capwap_ecnsupport_element_parsing(capwap_message_elements_handle handle, struct capwap_read_message_elements_ops* func) {
|
|
struct capwap_ecnsupport_element* data;
|
|
|
|
ASSERT(handle != NULL);
|
|
ASSERT(func != NULL);
|
|
|
|
if (func->read_ready(handle) != 1) {
|
|
log_printf(LOG_DEBUG, "Invalid ECN Support element: underbuffer");
|
|
return NULL;
|
|
}
|
|
|
|
/* Retrieve data */
|
|
data = (struct capwap_ecnsupport_element*)capwap_alloc(sizeof(struct capwap_ecnsupport_element));
|
|
func->read_u8(handle, &data->flag);
|
|
|
|
if ((data->flag != CAPWAP_LIMITED_ECN_SUPPORT) && (data->flag != CAPWAP_FULL_ECN_SUPPORT)) {
|
|
capwap_ecnsupport_element_free((void*)data);
|
|
log_printf(LOG_DEBUG, "Invalid ECN Support element: invalid flag");
|
|
return NULL;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
/* */
|
|
const struct capwap_message_elements_ops capwap_element_ecnsupport_ops = {
|
|
.category = CAPWAP_MESSAGE_ELEMENT_SINGLE,
|
|
.create = capwap_ecnsupport_element_create,
|
|
.parse = capwap_ecnsupport_element_parsing,
|
|
.clone = capwap_ecnsupport_element_clone,
|
|
.free = capwap_ecnsupport_element_free
|
|
};
|