Response from Read System Default Configuration is a list of mgmt_tlv,
which requires further processing to get the values of each parameters.
This adds APIs for parsing response into mgmt_tlv_list, retrieving
parameter from mgmt_tlv_list.
Reviewed-by: apusaka@xxxxxxxxxxxx
---
Changes in v4:
- Simply use free instead of mgmt_tlv_free
Changes in v3:
- Fix CheckBuild error
Changes in v2:
- Fix incompatible pointer type error in mgmt_tlv_list_load_from_buf
src/shared/mgmt.c | 38 ++++++++++++++++++++++++++++++++++++++
src/shared/mgmt.h | 6 ++++++
2 files changed, 44 insertions(+)
diff --git a/src/shared/mgmt.c b/src/shared/mgmt.c
index 9ea9974f5535..dc8107846668 100644
--- a/src/shared/mgmt.c
+++ b/src/shared/mgmt.c
@@ -626,6 +626,44 @@ static void mgmt_tlv_to_buf(void *data, void *user_data)
*buf_ptr += entry_size;
}
+struct mgmt_tlv_list *mgmt_tlv_list_load_from_buf(const uint8_t *buf,
+ uint16_t len)
+{
+ struct mgmt_tlv_list *tlv_list;
+ const uint8_t *cur = buf;
+
+ if (!len || !buf)
+ return NULL;
+
+ tlv_list = mgmt_tlv_list_new();
+
+ while (cur < buf + len) {
+ struct mgmt_tlv *entry = (struct mgmt_tlv *)cur;
+
+ cur += sizeof(*entry) + entry->length;
+ if (cur > buf + len)
+ goto failed;
+
+ if (!mgmt_tlv_add(tlv_list, entry->type, entry->length,
+ entry->value)) {
+ goto failed;
+ }
+ }
+
+ return tlv_list;
+failed:
+ mgmt_tlv_list_free(tlv_list);
+
+ return NULL;
+}
+
+void mgmt_tlv_list_foreach(struct mgmt_tlv_list *tlv_list,
+ mgmt_tlv_list_foreach_func_t callback,
+ void *user_data)
+{
+ queue_foreach(tlv_list->tlv_queue, callback, user_data);
+}
+
unsigned int mgmt_send_tlv(struct mgmt *mgmt, uint16_t opcode, uint16_t index,
struct mgmt_tlv_list *tlv_list,
mgmt_request_func_t callback,
diff --git a/src/shared/mgmt.h b/src/shared/mgmt.h
index 319beb62f9eb..808bf4c7ff09 100644
--- a/src/shared/mgmt.h
+++ b/src/shared/mgmt.h
@@ -41,6 +41,12 @@ bool mgmt_tlv_add(struct mgmt_tlv_list *tlv_list, uint16_t type, uint8_t length,
#define mgmt_tlv_add_fixed(_list, _type, _value) \
mgmt_tlv_add(_list, _type, sizeof(*(_value)), _value)
+struct mgmt_tlv_list *mgmt_tlv_list_load_from_buf(const uint8_t *buf,
+ uint16_t len);
+typedef void (*mgmt_tlv_list_foreach_func_t)(void *data, void *user_data);
+void mgmt_tlv_list_foreach(struct mgmt_tlv_list *tlv_list,
+ mgmt_tlv_list_foreach_func_t callback,
+ void *user_data);
unsigned int mgmt_send_tlv(struct mgmt *mgmt, uint16_t opcode, uint16_t index,
struct mgmt_tlv_list *tlv_list,
mgmt_request_func_t callback,
--
2.29.2.729.g45daf8777d-goog
