Verify checksums on the RX datapath.

[gpxe.git] / src / include / gpxe / ip.h

diff --git a/src/include/gpxe/ip.h b/src/include/gpxe/ip.h
index 29aae51..352cf64 100644 (file)
--- a/src/include/gpxe/ip.h
+++ b/src/include/gpxe/ip.h
@@ -1,20 +1,67 @@
-#ifndef _IP_H
-#define _IP_H
+#ifndef _GPXE_IP_H
+#define _GPXE_IP_H
 
 /** @file
  *
  * IP protocol
  *
- * This file defines the gPXE IP API.
- *
  */
 
-#include <gpxe/in.h>
+#include <ip.h>
+#include <gpxe/retry.h>
+
+/* IP constants */
+
+#define IP_VER         0x40
+#define IP_MASK_VER    0xf0
+#define IP_MASK_HLEN   0x0f
+#define IP_MASK_OFFSET 0x1fff
+#define IP_MASK_DONOTFRAG      0x4000
+#define IP_MASK_MOREFRAGS      0x2000
+#define IP_PSHLEN      12
+
+/* IP header defaults */
+#define IP_TOS         0
+#define IP_TTL         64
+
+#define IP_FRAG_PKB_SIZE       1500
+#define IP_FRAG_TIMEOUT                50
+
+/* IP4 pseudo header */
+struct ipv4_pseudo_header {
+       struct in_addr src;
+       struct in_addr dest;
+       uint8_t zero_padding;
+       uint8_t protocol;
+       uint16_t len;
+};
+
+/* Fragment reassembly buffer */
+struct frag_buffer {
+       /* Identification number */
+       uint16_t ident;
+       /* Source network address */
+       struct in_addr src;
+       /* Destination network address */
+       struct in_addr dest;
+       /* Reassembled packet buffer */
+       struct pk_buff *frag_pkb;
+       /* Reassembly timer */
+       struct retry_timer frag_timer;
+       /* List of fragment reassembly buffers */
+       struct list_head list;
+};
+
+struct pk_buff;
+struct net_device;
+struct net_protocol;
+struct tcpip_protocol;
+
+extern struct net_protocol ipv4_protocol;
 
-extern void set_ipaddr ( struct in_addr address );
-extern void set_netmask ( struct in_addr address );
-extern void set_gateway ( struct in_addr address );
-extern void init_tcpip ( void );
-extern void run_tcpip ( void );
+extern int add_ipv4_address ( struct net_device *netdev,
+                             struct in_addr address, struct in_addr netmask,
+                             struct in_addr gateway );
+extern void del_ipv4_address ( struct net_device *netdev );
 
-#endif /* _IP_H */
+#endif /* _GPXE_IP_H */