new file mode 100644
@@ -0,0 +1,195 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+/*
+ * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
+ */
+
+#ifndef LWIP_LWIPOPTS_H
+#define LWIP_LWIPOPTS_H
+
+#include "lwipopts.h"
+
+#if defined(CONFIG_LWIP_LIB_DEBUG)
+#define LWIP_DEBUG 1
+#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
+#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
+#define ETHARP_DEBUG LWIP_DBG_OFF
+#define NETIF_DEBUG LWIP_DBG_OFF
+#define PBUF_DEBUG LWIP_DBG_OFF
+#define API_LIB_DEBUG LWIP_DBG_OFF
+#define API_MSG_DEBUG LWIP_DBG_OFF
+#define SOCKETS_DEBUG LWIP_DBG_OFF
+#define ICMP_DEBUG LWIP_DBG_OFF
+#define IGMP_DEBUG LWIP_DBG_OFF
+#define INET_DEBUG LWIP_DBG_OFF
+#define IP_DEBUG LWIP_DBG_OFF
+#define IP_REASS_DEBUG LWIP_DBG_OFF
+#define RAW_DEBUG LWIP_DBG_OFF
+#define MEM_DEBUG LWIP_DBG_OFF
+#define MEMP_DEBUG LWIP_DBG_OFF
+#define SYS_DEBUG LWIP_DBG_OFF
+#define TIMERS_DEBUG LWIP_DBG_OFF
+#define TCP_DEBUG LWIP_DBG_OFF
+#define TCP_INPUT_DEBUG LWIP_DBG_OFF
+#define TCP_FR_DEBUG LWIP_DBG_OFF
+#define TCP_RTO_DEBUG LWIP_DBG_OFF
+#define TCP_CWND_DEBUG LWIP_DBG_OFF
+#define TCP_WND_DEBUG LWIP_DBG_OFF
+#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
+#define TCP_RST_DEBUG LWIP_DBG_OFF
+#define TCP_QLEN_DEBUG LWIP_DBG_OFF
+#define UDP_DEBUG LWIP_DBG_OFF
+#define TCPIP_DEBUG LWIP_DBG_OFF
+#define SLIP_DEBUG LWIP_DBG_OFF
+#define DHCP_DEBUG LWIP_DBG_ON
+#define AUTOIP_DEBUG LWIP_DBG_ON
+#define DNS_DEBUG LWIP_DBG_ON
+#define IP6_DEBUG LWIP_DBG_OFF
+#define DHCP6_DEBUG LWIP_DBG_OFF
+#else
+#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
+#define LWIP_DBG_TYPES_ON LWIP_DBG_OFF
+#define ETHARP_DEBUG LWIP_DBG_OFF
+#define NETIF_DEBUG LWIP_DBG_OFF
+#define PBUF_DEBUG LWIP_DBG_OFF
+#define API_LIB_DEBUG LWIP_DBG_OFF
+#define API_MSG_DEBUG LWIP_DBG_OFF
+#define SOCKETS_DEBUG LWIP_DBG_OFF
+#define ICMP_DEBUG LWIP_DBG_OFF
+#define IGMP_DEBUG LWIP_DBG_OFF
+#define INET_DEBUG LWIP_DBG_OFF
+#define IP_DEBUG LWIP_DBG_OFF
+#define IP_REASS_DEBUG LWIP_DBG_OFF
+#define RAW_DEBUG LWIP_DBG_OFF
+#define MEM_DEBUG LWIP_DBG_OFF
+#define MEMP_DEBUG LWIP_DBG_OFF
+#define SYS_DEBUG LWIP_DBG_OFF
+#define TIMERS_DEBUG LWIP_DBG_OFF
+#define TCP_DEBUG LWIP_DBG_OFF
+#define TCP_INPUT_DEBUG LWIP_DBG_OFF
+#define TCP_FR_DEBUG LWIP_DBG_OFF
+#define TCP_RTO_DEBUG LWIP_DBG_OFF
+#define TCP_CWND_DEBUG LWIP_DBG_OFF
+#define TCP_WND_DEBUG LWIP_DBG_OFF
+#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
+#define TCP_RST_DEBUG LWIP_DBG_OFF
+#define TCP_QLEN_DEBUG LWIP_DBG_OFF
+#define UDP_DEBUG LWIP_DBG_OFF
+#define TCPIP_DEBUG LWIP_DBG_OFF
+#define SLIP_DEBUG LWIP_DBG_OFF
+#define DHCP_DEBUG LWIP_DBG_OFF
+#define AUTOIP_DEBUG LWIP_DBG_OFF
+#define DNS_DEBUG LWIP_DBG_OFF
+#define IP6_DEBUG LWIP_DBG_OFF
+#define DHCP6_DEBUG LWIP_DBG_OFF
+#endif
+#define LWIP_TESTMODE 0
+
+#if defined(CONFIG_LWIP_LIB_NOASSERT)
+#define LWIP_NOASSERT 1
+#define LWIP_ASSERT(message, assertion)
+#endif
+
+#include "lwip/debug.h"
+
+#define SYS_LIGHTWEIGHT_PROT 0
+#define NO_SYS 0
+
+#define LWIP_IPV6 0
+
+#define MEM_ALIGNMENT 1
+#define MEM_SIZE 1600
+
+#define MEMP_NUM_PBUF 4
+#define MEMP_NUM_RAW_PCB 2
+#define MEMP_NUM_UDP_PCB 4
+#define MEMP_NUM_TCP_PCB 2
+#define MEMP_NUM_TCP_PCB_LISTEN 2
+#define MEMP_NUM_TCP_SEG 16
+#define MEMP_NUM_REASSDATA 1
+#define MEMP_NUM_ARP_QUEUE 2
+#define MEMP_NUM_SYS_TIMEOUT 4
+#define MEMP_NUM_NETBUF 2
+#define MEMP_NUM_NETCONN 32
+#define MEMP_NUM_TCPIP_MSG_API 8
+#define MEMP_NUM_TCPIP_MSG_INPKT 8
+#define PBUF_POOL_SIZE 8
+
+#define LWIP_ARP 1
+
+#define IP_FORWARD 0
+#define IP_OPTIONS_ALLOWED 1
+#define IP_REASSEMBLY 1
+#define IP_FRAG 1
+#define IP_REASS_MAXAGE 3
+#define IP_REASS_MAX_PBUFS 4
+#define IP_FRAG_USES_STATIC_BUF 0
+
+#define IP_DEFAULT_TTL 255
+
+#define LWIP_ICMP 1
+
+#define LWIP_RAW 1
+
+#if defined(CONFIG_LWIP_LIB_DHCP)
+#define LWIP_DHCP 1
+#define LWIP_DHCP_BOOTP_FILE 1
+#else
+#define LWIP_DHCP 0
+#endif
+#define LWIP_DHCP_DOES_ACD_CHECK 0
+
+#define LWIP_AUTOIP 0
+
+#define LWIP_SNMP 0
+
+#define LWIP_IGMP 0
+
+#if defined(CONFIG_LWIP_LIB_DNS)
+#define LWIP_DNS 1
+#else
+#define LWIP_DNS 0
+#endif
+
+#if defined(CONFIG_LWIP_LIB_TCP)
+#define LWIP_UDP 1
+#else
+#define LWIP_UDP 0
+#endif
+
+#if defined(CONFIG_LWIP_LIB_TCP)
+#define LWIP_TCP 1
+#else
+#define LWIP_TCP 0
+#endif
+
+#define LWIP_LISTEN_BACKLOG 0
+
+#define PBUF_LINK_HLEN 14
+#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_HLEN)
+
+#define LWIP_HAVE_LOOPIF 0
+
+#define LWIP_NETCONN 0
+#define LWIP_DISABLE_MEMP_SANITY_CHECKS 1
+
+#define LWIP_SOCKET 0
+#define SO_REUSE 0
+
+#define LWIP_STATS 0
+
+#define PPP_SUPPORT 0
+
+#define LWIP_TCPIP_CORE_LOCKING 0
+
+#if defined(CONFIG_LWIP_LIB_LOOPBACK)
+#define LWIP_NETIF_LOOPBACK 1
+#else
+#define LWIP_NETIF_LOOPBACK 0
+#endif
+/* use malloc instead of pool */
+#define MEMP_MEM_MALLOC 1
+#define MEMP_MEM_INIT 1
+#define MEM_LIBC_MALLOC 1
+
+#endif /* LWIP_LWIPOPTS_H */
lwip configuration can be tuned with header file. Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org> --- net/lwip/lwipopts.h | 195 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 195 insertions(+) create mode 100644 net/lwip/lwipopts.h