#ifndef LWIP_HDR_LWIPOPTS_H #define LWIP_HDR_LWIPOPTS_H // 1. The Unikernel Mode (No OS threads) #define NO_SYS 1 #define LWIP_TIMERS 1 // We must call sys_check_timeouts() manually // 1.1 Disable Sequential/Socket APIs #define LWIP_NETCONN 0 #define LWIP_SOCKET 0 #define LWIP_STATS 0 #define SYS_LIGHTWEIGHT_PROT 0 #define LWIP_ETHERNET 1 // 2. Memory Strategy (Static Slabs - No Heap) #define MEM_LIBC_MALLOC 0 #define MEMP_MEM_MALLOC 0 #define MEM_ALIGNMENT 64 // Cache Line Alignment (Critical for Disruptor) // 3. Performance Tuning (Sovereign Scale) #define TCP_MSS 1460 #define TCP_WND (8 * TCP_MSS) #define LWIP_TCP_KEEPALIVE 1 // 4. Checksum Offload (Let Hardware do it if VirtIO supports it) // For now, software checksums to be safe on QEMU #define CHECKSUM_GEN_IP 1 #define CHECKSUM_GEN_TCP 1 // 6. Freestanding overrides #define LWIP_NO_INTTYPES_H 1 // 5. Debugging (The HUD Needs Logs) #define LWIP_DEBUG 1 #define LWIP_PLATFORM_DIAG(x) do { printf x; } while(0) #define LWIP_PLATFORM_ASSERT(x) do { printf("ASSERT: %s\n", x); } while(0) #endif