ntp and udp

1 files changed, 7 insertions, 5 deletions

diff --git a/net/ipv4.h b/net/ipv4.h
index e3cbc36..7357aac 100644
--- a/net/ipv4.h
+++ b/net/ipv4.h
@@ -11,8 +11,11 @@ struct ipv4_hdr {
     uint8_t tos;		 // type of service
     uint16_t len;		 // total length of ip datagramm
     uint16_t id;		 // index of datagram for fragmentation
-    uint16_t flags : 3;		 // various control flags
-    uint16_t frag_offset : 13;	 // fragment offset 0 - first
+
+    //uint16_t flags : 3;		 // various control flags
+    //uint16_t frag_offset : 13;	 // fragment offset 0 - first
+    uint16_t flags_and_offset;
+
     uint8_t ttl;		 // time to live - countdown decreased by each receiver
     uint8_t proto;		 // payload protocol / 1-icmp, 16 - udp , 6 -tcp
     uint16_t csum;		 // header checksum
@@ -20,6 +23,5 @@ struct ipv4_hdr {
     uint32_t daddr;		 // destination ip address
 } __attribute__((packed));
 
-uint16_t ipv4_checksum(void *addr, int count);
-bool ipv4_incoming(struct netdev *,struct eth_hdr *);
-uint16_t ipv4_checksum(void *addr, int count);
+bool     ipv4_incoming(struct netdev *,struct eth_hdr *);
+uint32_t ipv4_generic(struct netdev *dev, uint32_t ip, uint8_t type, uint8_t* pos,uint8_t *end);