Diff: lwip/include/ipv4/lwip/ip.h

Revision:

5:dd63a1e02b1b

Parent:

0:632c9925f013

--- a/lwip/include/ipv4/lwip/ip.h	Fri Jul 09 14:46:47 2010 +0000
+++ b/lwip/include/ipv4/lwip/ip.h	Tue Jul 27 15:59:42 2010 +0000
@@ -78,7 +78,7 @@
   ip_addr_t local_ip; \
   ip_addr_t remote_ip; \
    /* Socket options */  \
-  u16_t so_options;      \
+  u8_t so_options;      \
    /* Type Of Service */ \
   u8_t tos;              \
   /* Time To Live */     \
@@ -94,16 +94,19 @@
 /*
  * Option flags per-socket. These are the same like SO_XXX.
  */
-#define SOF_DEBUG       (u16_t)0x0001U    /* turn on debugging info recording */
-#define SOF_ACCEPTCONN  (u16_t)0x0002U    /* socket has had listen() */
-#define SOF_REUSEADDR   (u16_t)0x0004U    /* allow local address reuse */
-#define SOF_KEEPALIVE   (u16_t)0x0008U    /* keep connections alive */
-#define SOF_DONTROUTE   (u16_t)0x0010U    /* just use interface addresses */
-#define SOF_BROADCAST   (u16_t)0x0020U    /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
-#define SOF_USELOOPBACK (u16_t)0x0040U    /* bypass hardware when possible */
-#define SOF_LINGER      (u16_t)0x0080U    /* linger on close if data present */
-#define SOF_OOBINLINE   (u16_t)0x0100U    /* leave received OOB data in line */
-#define SOF_REUSEPORT   (u16_t)0x0200U    /* allow local address & port reuse */
+/*#define SOF_DEBUG       (u8_t)0x01U     Unimplemented: turn on debugging info recording */
+#define SOF_ACCEPTCONN    (u8_t)0x02U  /* socket has had listen() */
+#define SOF_REUSEADDR     (u8_t)0x04U  /* allow local address reuse */
+#define SOF_KEEPALIVE     (u8_t)0x08U  /* keep connections alive */
+/*#define SOF_DONTROUTE   (u8_t)0x10U     Unimplemented: just use interface addresses */
+#define SOF_BROADCAST     (u8_t)0x20U  /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */
+/*#define SOF_USELOOPBACK (u8_t)0x40U     Unimplemented: bypass hardware when possible */
+#define SOF_LINGER        (u8_t)0x80U  /* linger on close if data present */
+/*#define SOF_OOBINLINE   (u16_t)0x0100U     Unimplemented: leave received OOB data in line */
+/*#define SOF_REUSEPORT   (u16_t)0x0200U     Unimplemented: allow local address & port reuse */
+
+/* These flags are inherited (e.g. from a listen-pcb to a connection-pcb): */
+#define SOF_INHERITED   (SOF_REUSEADDR|SOF_KEEPALIVE|SOF_LINGER/*|SOF_DEBUG|SOF_DONTROUTE|SOF_OOBINLINE*/)
 
 
 #ifdef PACK_STRUCT_USE_INCLUDES
@@ -130,8 +133,8 @@
   /* checksum */
   PACK_STRUCT_FIELD(u16_t _chksum);
   /* source and destination IP addresses */
-  PACK_STRUCT_FIELD(ip_addr_t src);
-  PACK_STRUCT_FIELD(ip_addr_t dest); 
+  PACK_STRUCT_FIELD(ip_addr_p_t src);
+  PACK_STRUCT_FIELD(ip_addr_p_t dest); 
 } PACK_STRUCT_STRUCT;
 PACK_STRUCT_END
 #ifdef PACK_STRUCT_USE_INCLUDES
@@ -160,6 +163,10 @@
 extern struct netif *current_netif;
 /** Header of the input packet currently being processed. */
 extern const struct ip_hdr *current_header;
+/** Source IP address of current_header */
+extern ip_addr_t current_iphdr_src;
+/** Destination IP address of current_header */
+extern ip_addr_t current_iphdr_dest;
 
 #define ip_init() /* Compatibility define, not init needed. */
 struct netif *ip_route(ip_addr_t *dest);
@@ -186,6 +193,11 @@
  * This function must only be called from a receive callback (udp_recv,
  * raw_recv, tcp_accept). It will return NULL otherwise. */
 #define ip_current_header() (current_header)
+/** Source IP address of current_header */
+#define ip_current_src_addr()  (&current_iphdr_src)
+/** Destination IP address of current_header */
+#define ip_current_dest_addr() (&current_iphdr_dest)
+
 #if IP_DEBUG
 void ip_debug_print(struct pbuf *p);
 #else