X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FIPStack%2Fipv4.h;h=2c3e1cae865cd3f479d7949c0e3d55883b6607e5;hb=58c7107eb0a5ae254c135f2eaa6263751f1ebe67;hp=b092becb0541200aefba315ba6c140a7e66e4d8e;hpb=0f48b41ce8edd3b6d549d641b35901e4b51a5132;p=tpg%2Facess2.git

diff --git a/Modules/IPStack/ipv4.h b/Modules/IPStack/ipv4.h
index b092becb..2c3e1cae 100644
--- a/Modules/IPStack/ipv4.h
+++ b/Modules/IPStack/ipv4.h
@@ -28,7 +28,7 @@ struct sIPv4Header
 	} __attribute__((packed));
 	Uint8	FragOffHi;	// Number of 8-byte blocks from the original start
 	
-	Uint8	TTL;	// Max number of hops effectively
+	Uint8	TTL;	// Max number of hops, effectively
 	Uint8	Protocol;
 	Uint16	HeaderChecksum;	// One's Complement Sum of the entire header must equal zero
 	
@@ -39,12 +39,14 @@ struct sIPv4Header
 } __attribute__((packed));
 
 #define IP4PROT_ICMP	1
-#define IP4PROT_TCP	6
-#define IP4PROT_UDP	17
+#define IP4PROT_TCP 	6
+#define IP4PROT_UDP 	17
 
 #define IPV4_ETHERNET_ID	0x0800
 
 // === FUNCTIONS ===
 extern int	IPv4_RegisterCallback(int ID, tIPCallback Callback);
+extern Uint16	IPv4_Checksum(const void *Buf, size_t Length);
+extern int	IPv4_SendPacket(tInterface *Iface, tIPv4 Address, int Protocol, int ID, int Length, const void *Data);
 
 #endif