33 lines
921 B
C
33 lines
921 B
C
#ifndef _LWIPOPTS_H
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#define _LWIPOPTS_H
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// Need more memory for TLS
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#ifdef MQTT_CERT_INC
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#define MEM_SIZE 8000
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#endif
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// Generally you would define your own explicit list of lwIP options
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// (see https://www.nongnu.org/lwip/2_1_x/group__lwip__opts.html)
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//
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// This example uses a common include to avoid repetition
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#include "lwipopts_examples_common.h"
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#define MEMP_NUM_SYS_TIMEOUT (LWIP_NUM_SYS_TIMEOUT_INTERNAL+1)
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#ifdef MQTT_CERT_INC
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#define LWIP_ALTCP 1
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#define LWIP_ALTCP_TLS 1
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#define LWIP_ALTCP_TLS_MBEDTLS 1
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#ifndef NDEBUG
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#define ALTCP_MBEDTLS_DEBUG LWIP_DBG_ON
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#endif
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/* TCP WND must be at least 16 kb to match TLS record size
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or you will get a warning "altcp_tls: TCP_WND is smaller than the RX decrypion buffer, connection RX might stall!" */
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#undef TCP_WND
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#define TCP_WND 16384
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#endif // MQTT_CERT_INC
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// This defaults to 4
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#define MQTT_REQ_MAX_IN_FLIGHT 5
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#endif
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