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att_server: send ATT_ERROR_REQUEST_NOT_SUPPORTED for MTU Request over l2cap channel

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This commit is contained in:
Matthias Ringwald 2023-05-17 12:41:14 +02:00
parent f786dd08a5
commit 7a293e2207
1 changed files with 12 additions and 1 deletions
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13
src/ble/att_server.c
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@ -597,7 +597,18 @@ att_server_process_validated_request(att_server_t *att_server, att_connection_t
att_response_buffer = l2cap_get_outgoing_buffer();
}
uint16_t att_response_size = att_handle_request(att_connection, att_server->request_buffer, att_server->request_size, att_response_buffer);
uint16_t att_response_size = 0;
// Send Error Response for MTU Request over connection-oriented channel
if ((att_server->bearer_type != ATT_BEARER_UNENHANCED_LE) && (att_server->request_buffer[0] == ATT_EXCHANGE_MTU_REQUEST)){
att_response_size = 5;
att_response_buffer[0] = ATT_ERROR_RESPONSE;
att_response_buffer[1] = ATT_EXCHANGE_MTU_REQUEST;
att_response_buffer[2] = 0;
att_response_buffer[3] = 0;
att_response_buffer[4] = ATT_ERROR_REQUEST_NOT_SUPPORTED;
} else {
att_response_size = att_handle_request(att_connection, att_server->request_buffer, att_server->request_size, att_response_buffer);
}
#ifdef ENABLE_ATT_DELAYED_RESPONSE
if ((att_response_size == ATT_READ_RESPONSE_PENDING) || (att_response_size == ATT_INTERNAL_WRITE_RESPONSE_PENDING)){