Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c39b

git-subtree-dir: lib/lwip/lwip
git-subtree-split: 0a0452b2c39bdd91e252aef045c115f88f6ca773

1 files changed, 180 insertions, 0 deletions

diff --git a/contrib/ports/unix/posixlib/lwipopts.h b/contrib/ports/unix/posixlib/lwipopts.h
new file mode 100644
index 00000000000..1b38aa3aef1
--- /dev/null
+++ b/contrib/ports/unix/posixlib/lwipopts.h
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2023 Joan Lledó <jlledom@member.fsf.org>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+#ifndef UNIX_LWIP_LWIPOPTS_H
+#define UNIX_LWIP_LWIPOPTS_H
+
+/* An OS is present */
+#define NO_SYS    0
+
+/* Sockets API config */
+#define LWIP_COMPAT_SOCKETS       0
+#define LWIP_SOCKET_OFFSET        1
+#define LWIP_POLL                 1
+
+/* User posix socket headers */
+#define LWIP_SOCKET_EXTERNAL_HEADERS            1
+#define LWIP_SOCKET_EXTERNAL_HEADER_SOCKETS_H   "posix/sockets.h"
+#define LWIP_SOCKET_EXTERNAL_HEADER_INET_H      "posix/inet.h"
+#define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS   1
+
+/* Use Glibc malloc()/free() */
+#define MEM_LIBC_MALLOC   1
+#define MEMP_MEM_MALLOC   1
+#define MEM_USE_POOLS     0
+
+/* Only send complete packets to the device */
+#define LWIP_NETIF_TX_SINGLE_PBUF 1
+
+/* Randomize local ports */
+#define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS  1
+
+/* Glibc sends more than one packet in a row during an ARP resolution */
+#define ARP_QUEUEING    1
+#define ARP_QUEUE_LEN   10
+
+/*
+ * Activate loopback, but don't use lwip's default loopback interface,
+ * we provide our own.
+ */
+#define LWIP_NETIF_LOOPBACK   1
+#define LWIP_HAVE_LOOPIF      0
+
+/* IPv4 stuff */
+#define IP_FORWARD  1
+
+/* SLAAC support and other IPv6 stuff */
+#define LWIP_IPV6_DUP_DETECT_ATTEMPTS 1
+#define LWIP_IPV6_SEND_ROUTER_SOLICIT 1
+#define LWIP_IPV6_AUTOCONFIG          1
+#define LWIP_IPV6_FORWARD             1
+#define MEMP_NUM_MLD6_GROUP           16
+#define LWIP_IPV6_NUM_ADDRESSES       6
+#define IPV6_FRAG_COPYHEADER          1
+
+/* TCP tuning */
+#define TCP_MSS         1460
+#define TCP_WND         0xFFFF
+#define LWIP_WND_SCALE  1
+#define TCP_RCV_SCALE   0x1
+#define TCP_SND_BUF     TCP_WND
+
+/* Throughput settings */
+#define LWIP_CHECKSUM_ON_COPY   1
+
+/* Disable stats */
+#define LWIP_STATS          0
+#define LWIP_STATS_DISPLAY  0
+
+/* Enable all socket operations */
+#define LWIP_TCP_KEEPALIVE          1
+#define LWIP_SO_SNDTIMEO            1
+#define LWIP_SO_RCVTIMEO            1
+#define LWIP_SO_RCVBUF              1
+#define LWIP_SO_LINGER              1
+#define SO_REUSE                    1
+#define LWIP_MULTICAST_TX_OPTIONS   1
+
+/* Enable modules */
+#define LWIP_ARP              1
+#define LWIP_ETHERNET         1
+#define LWIP_IPV4             1
+#define LWIP_ICMP             1
+#define LWIP_IGMP             1
+#define LWIP_RAW              1
+#define LWIP_UDP              1
+#define LWIP_UDPLITE          1
+#define LWIP_TCP              1
+#define LWIP_IPV6             1
+#define LWIP_ICMP6            1
+#define LWIP_IPV6_MLD         1
+
+/* Don't abort the whole stack when an error is detected */
+#define LWIP_NOASSERT_ON_ERROR   1
+
+/* Threading options */
+#define LWIP_TCPIP_CORE_LOCKING   1
+
+/* If the system is 64 bit */
+#if defined __LP64__
+#define MEM_ALIGNMENT            8
+#else
+#define MEM_ALIGNMENT            4
+#endif
+
+#if !NO_SYS
+void sys_check_core_locking(void);
+#define LWIP_ASSERT_CORE_LOCKED()  sys_check_core_locking()
+#if 0
+void sys_mark_tcpip_thread(void);
+#define LWIP_MARK_TCPIP_THREAD()   sys_mark_tcpip_thread()
+
+#if LWIP_TCPIP_CORE_LOCKING
+void sys_lock_tcpip_core(void);
+#define LOCK_TCPIP_CORE()          sys_lock_tcpip_core()
+void sys_unlock_tcpip_core(void);
+#define UNLOCK_TCPIP_CORE()        sys_unlock_tcpip_core()
+#endif
+#endif
+#endif
+
+/* Debug mode */
+#ifdef LWIP_DEBUG
+#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
+#endif
+
+#endif /* UNIX_LWIP_LWIPOPTS_H */