1 files changed, 60 insertions, 0 deletions
diff --git a/lwip/port/include/netif/ifcommon.h b/lwip/port/include/netif/ifcommon.h
new file mode 100644
index 00000000..15493dc9
--- /dev/null
+++ b/lwip/port/include/netif/ifcommon.h
@@ -0,0 +1,60 @@
+/*
+   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/>.
+*/
+
+/* Common interface for all kinds of devices */
+
+#ifndef LWIP_IFCOMMON_H
+#define LWIP_IFCOMMON_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <device/device.h>
+
+#include <lwip/netif.h>
+
+/*
+ * Helper struct to hold private data used to operate your interface.
+ */
+struct ifcommon
+{
+  uint16_t type;
+  device_t ether_port;
+  struct port_info *readpt;
+  mach_port_t readptname;
+  char *devname;
+  uint16_t flags;
+
+  /* Callbacks */
+    error_t (*init) (struct netif * netif);
+    error_t (*terminate) (struct netif * netif);
+    error_t (*open) (struct netif * netif);
+    error_t (*close) (struct netif * netif);
+    error_t (*update_mtu) (struct netif * netif, uint32_t mtu);
+    error_t (*change_flags) (struct netif * netif, uint16_t flags);
+};
+
+error_t if_init (struct netif *netif);
+error_t if_terminate (struct netif *netif);
+error_t if_change_flags (struct netif *netif, uint16_t flags);
+
+/* Get the state from a netif */
+#define netif_get_state(netif)  ((struct ifcommon *)netif->state)
+
+#endif /* LWIP_IFCOMMON_H */