From 98e846b1bc4f4c304bd08dbce0d92467f01a4196 Mon Sep 17 00:00:00 2001 From: jiangheng Date: Thu, 13 Jun 2024 08:57:50 +0800 Subject: [PATCH] reduce pbuf pool size --- src/core/init.c | 4 ++++ src/include/lwipopts.h | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/src/core/init.c b/src/core/init.c index c0aaf45..821c6c7 100644 --- a/src/core/init.c +++ b/src/core/init.c @@ -321,9 +321,13 @@ PACK_STRUCT_END #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)) #error "lwip_sanity_check: WARNING: PBUF_POOL_BUFSIZE does not provide enough space for protocol headers. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error." #endif + +#if !GAZELLE_ENABLE #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)))) #error "lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers). If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error." #endif +#endif + #if TCP_WND < TCP_MSS #error "lwip_sanity_check: WARNING: TCP_WND is smaller than MSS. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error." #endif diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h index 4655388..cb3154a 100644 --- a/src/include/lwipopts.h +++ b/src/include/lwipopts.h @@ -134,7 +134,7 @@ #define MEMP_NUM_SYS_MBOX (GAZELLE_MAX_CLIENTS + GAZELLE_RESERVED_CLIENTS) -#define PBUF_POOL_SIZE (GAZELLE_MAX_CLIENTS * 2) +#define PBUF_POOL_SIZE (1024) /* we use PBUF_POOL instead of PBUF_RAM in tcp_write, so reduce PBUF_RAM size, * and do NOT let PBUF_POOL_BUFSIZE less then TCP_MSS -- 2.33.0