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net: coap: add no-response option definition and values

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Constrained application can require to avoid waiting for response
from a server. CoAP No-response option defined in RFC 7967 allows
to do that by suppressing selected response types.

Signed-off-by: Hubert Miś <hubert.mis@gmail.com>
This commit is contained in:
Hubert Miś 2024-09-23 21:49:06 +02:00 committed by Mahesh Mahadevan
parent 765bfbbc3c
commit 70c9bf1da7
1 changed files with 17 additions and 0 deletions
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17
include/zephyr/net/coap.h
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@ -64,6 +64,7 @@ enum coap_option_num {
COAP_OPTION_PROXY_SCHEME = 39, /**< Proxy-Scheme */
COAP_OPTION_SIZE1 = 60, /**< Size1 */
COAP_OPTION_ECHO = 252, /**< Echo (RFC 9175) */
COAP_OPTION_NO_RESPONSE = 258, /**< No-Response (RFC 7967) */
COAP_OPTION_REQUEST_TAG = 292 /**< Request-Tag (RFC 9175) */
};
@ -222,6 +223,22 @@ enum coap_content_format {
COAP_CONTENT_FORMAT_APP_CBOR = 60 /**< application/cbor */
};
/**
* @brief Set of No-Response option values for CoAP.
*
* To be used when encoding or decoding a No-Response option defined
* in RFC 7967.
*/
enum coap_no_response {
COAP_NO_RESPONSE_SUPPRESS_2_XX = 0x02,
COAP_NO_RESPONSE_SUPPRESS_4_XX = 0x08,
COAP_NO_RESPONSE_SUPPRESS_5_XX = 0x10,
COAP_NO_RESPONSE_SUPPRESS_ALL = COAP_NO_RESPONSE_SUPPRESS_2_XX |
COAP_NO_RESPONSE_SUPPRESS_4_XX |
COAP_NO_RESPONSE_SUPPRESS_5_XX,
};
/** @cond INTERNAL_HIDDEN */
/* block option helper */