lwip: Add LwIP-based TCP/IP translator

* Makefile (prog-subdirs): Add lwip.
* config.make.in (HAVE_LIBLWIP, liblwip_CFLAGS, liblwip_LIBS): Define
variables.
* configure.ac: Check for liblwip.
* lwip/: New directory.

1 files changed, 41 insertions, 0 deletions

diff --git a/lwip/lwip-util.h b/lwip/lwip-util.h
new file mode 100644
index 00000000..03022331
--- /dev/null
+++ b/lwip/lwip-util.h
@@ -0,0 +1,41 @@
+/*
+   Copyright (C) 2017 Free Software Foundation, Inc.
+   Written by Joan Lledó.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the GNU Hurd.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* Lwip management module */
+
+#ifndef LWIP_UTIL_H
+#define LWIP_UTIL_H
+
+#define LOOP_DEV_NAME   "lo"
+
+#include <lwip/netif.h>
+
+void init_ifs (void *arg);
+
+void inquire_device (struct netif *netif, uint32_t * addr, uint32_t * netmask,
+		     uint32_t * peer, uint32_t * broadcast,
+		     uint32_t * gateway, uint32_t * addr6,
+		     uint8_t * addr6_prefix_len);
+error_t configure_device (struct netif *netif, uint32_t addr,
+			  uint32_t netmask, uint32_t peer, uint32_t broadcast,
+			  uint32_t gateway, uint32_t * addr6,
+			  uint8_t * addr6_prefix_len);
+
+#endif /* LWIP_UTIL_H */