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lwip: Allow several configuration macros to be set externally. #2550

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lwip: Allow several configuration macros to be set externally. #2550

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16 changes: 16 additions & 0 deletions features/net/FEATURE_IPV4/lwip-interface/lwipopts.h
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Original file line number Diff line number Diff line change
Expand Up @@ -54,12 +54,24 @@
// 32-bit alignment
#define MEM_ALIGNMENT 4

#ifndef PBUF_POOL_SIZE
#define PBUF_POOL_SIZE 5
#endif
#ifndef MEMP_NUM_TCP_PCB_LISTEN
#define MEMP_NUM_TCP_PCB_LISTEN 4
#endif
#ifndef MEMP_NUM_TCP_PCB
#define MEMP_NUM_TCP_PCB 4
#endif
#ifndef MEMP_NUM_UDP_PCB
#define MEMP_NUM_UDP_PCB 4
#endif
#ifndef MEMP_NUM_PBUF
#define MEMP_NUM_PBUF 8
#endif
#ifndef MEMP_NUM_NETBUF
#define MEMP_NUM_NETBUF 8
#endif

#define TCP_QUEUE_OOSEQ 0
#define TCP_OVERSIZE 0
Expand Down Expand Up @@ -119,8 +131,12 @@

/* MSS should match the hardware packet size */
#define TCP_MSS 1460
#ifndef TCP_SND_BUF
#define TCP_SND_BUF (2 * TCP_MSS)
#endif
#ifndef TCP_WND
#define TCP_WND (2 * TCP_MSS)
#endif
#define TCP_SND_QUEUELEN (2 * TCP_SND_BUF/TCP_MSS)

// Broadcast
Expand Down