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 --- 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..bdc4bdd9e66b 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 = 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