Diff: modules/pico_ipv4.h

Revision:

2:540f6e142d59

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/pico_ipv4.h	Sat Aug 03 13:16:14 2013 +0000
@@ -0,0 +1,96 @@
+/*********************************************************************
+PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
+See LICENSE and COPYING for usage.
+
+.
+
+*********************************************************************/
+#ifndef _INCLUDE_PICO_IPV4
+#define _INCLUDE_PICO_IPV4
+#include "pico_addressing.h"
+#include "pico_protocol.h"
+#include "pico_tree.h"
+
+#define PICO_IPV4_INADDR_ANY 0x00000000U
+
+#define PICO_SIZE_IP4HDR ((sizeof(struct pico_ipv4_hdr)))
+#define PICO_IPV4_DONTFRAG 0x4000
+#define PICO_IPV4_MOREFRAG 0x2000
+#define PICO_IPV4_FRAG_MASK 0x1FFF
+#define PICO_IPV4_DEFAULT_TTL 64
+
+extern struct pico_protocol pico_proto_ipv4;
+
+struct __attribute__((packed)) pico_ipv4_hdr {
+  uint8_t vhl;
+  uint8_t tos;
+  uint16_t len;
+  uint16_t id;
+  uint16_t frag;
+  uint8_t ttl;
+  uint8_t proto;
+  uint16_t crc;
+  struct pico_ip4 src;
+  struct pico_ip4 dst;
+  uint8_t options[0];
+};
+
+struct __attribute__((packed)) pico_ipv4_pseudo_hdr
+{
+  struct pico_ip4 src;
+  struct pico_ip4 dst;
+  uint8_t zeros;
+  uint8_t proto;
+  uint16_t len;
+};
+
+/* Interface: link to device */
+struct pico_mcast_list;
+
+struct pico_ipv4_link
+{
+  struct pico_device *dev;
+  struct pico_ip4 address;
+  struct pico_ip4 netmask;
+#ifdef PICO_SUPPORT_MCAST
+  struct pico_tree *MCASTGroups;
+  uint8_t mcast_compatibility;
+  uint8_t mcast_last_query_interval;
+#endif
+};
+
+#ifdef PICO_SUPPORT_MCAST
+struct pico_mcast_group {
+  uint8_t filter_mode;
+  uint16_t reference_count;
+  struct pico_ip4 mcast_addr;
+  struct pico_tree MCASTSources;
+};
+#endif
+
+int pico_ipv4_to_string(char *ipbuf, const uint32_t ip);
+int pico_string_to_ipv4(const char *ipstr, uint32_t *ip);
+int pico_ipv4_valid_netmask(uint32_t mask);
+int pico_ipv4_is_unicast(uint32_t address); 
+int pico_ipv4_is_multicast(uint32_t address); 
+int pico_ipv4_is_broadcast(uint32_t addr);
+
+int pico_ipv4_link_add(struct pico_device *dev, struct pico_ip4 address, struct pico_ip4 netmask);
+int pico_ipv4_link_del(struct pico_device *dev, struct pico_ip4 address);
+int pico_ipv4_rebound(struct pico_frame *f);
+
+int pico_ipv4_frame_push(struct pico_frame *f, struct pico_ip4 *dst, uint8_t proto);
+struct pico_ipv4_link *pico_ipv4_link_get(struct pico_ip4 *address);
+struct pico_ipv4_link *pico_ipv4_link_by_dev(struct pico_device *dev);
+struct pico_device *pico_ipv4_link_find(struct pico_ip4 *address);
+struct pico_ip4 *pico_ipv4_source_find(struct pico_ip4 *dst);
+int pico_ipv4_route_add(struct pico_ip4 address, struct pico_ip4 netmask, struct pico_ip4 gateway, int metric, struct pico_ipv4_link *link);
+int pico_ipv4_route_del(struct pico_ip4 address, struct pico_ip4 netmask, struct pico_ip4 gateway, int metric, struct pico_ipv4_link *link);
+struct pico_ip4 pico_ipv4_route_get_gateway(struct pico_ip4 *addr);
+void pico_ipv4_unreachable(struct pico_frame *f, int err);
+
+int pico_ipv4_mcast_join(struct pico_ip4 *mcast_link, struct pico_ip4 *mcast_group, uint8_t reference_count, uint8_t filter_mode, struct pico_tree *MCASTFilter);
+int pico_ipv4_mcast_leave(struct pico_ip4 *mcast_link, struct pico_ip4 *mcast_group, uint8_t reference_count, uint8_t filter_mode, struct pico_tree *MCASTFilter);
+struct pico_ipv4_link *pico_ipv4_get_default_mcastlink(void);
+
+#endif /* _INCLUDE_PICO_IPV4 */