Minor changes to the network layer rx() functions

src/net/ipv6.c

@@ -1,12 +1,16 @@
 #include <errno.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <byteswap.h>
 #include <gpxe/pkbuff.h>
 #include <gpxe/netdevice.h>
 #include <gpxe/in.h>
+#include <gpxe/if_ether.h>
+#include <gpxe/tcpip.h>
 
 /**
  * Transmit IP6 packets
- *
- * Placeholder to allow linking. The function should be placed in net/ipv6.c
  */
 int ipv6_tx ( struct pk_buff *pkb __unused, uint16_t trans_proto __unused,
 	      struct in6_addr *dest __unused) {
@@ -22,3 +26,33 @@ void ipv6_rx ( struct pk_buff *pkb __unused,
 	       struct net_device *netdev __unused,
 	       const void *ll_source __unused ) {
 }
+
+void ipv6_tx_csum ( struct pk_buff *pkb, struct tcpip_protocol *tcpip ) {
+	return;
+}
+
+static const char * ipv6_ntoa ( const void *net_addr ) {
+//	return inet6_ntoa ( * ( ( struct in6_addr * ) net_addr ) );
+	return "no support yet";
+}
+
+/** IPv6 protocol */
+struct net_protocol ipv6_protocol = {
+	.name = "IP6",
+	.net_proto = htons ( ETH_P_IPV6 ),
+	.net_addr_len = sizeof ( struct in6_addr ),
+	.rx = ipv6_rx,
+	.ntoa = ipv6_ntoa,
+};
+
+NET_PROTOCOL ( ipv6_protocol );
+
+/** IPv6 TCPIP net protocol */
+struct tcpip_net_protocol ipv6_tcpip_protocol = {
+	.net_protocol = &ipv6_protocol,
+	.sa_family = AF_INET6,
+	.tx = ipv6_tx,
+	.tx_csum = ipv6_tx_csum,
+};
+
+TCPIP_NET_PROTOCOL ( ipv6_tcpip_protocol );