Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 115 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/net/ping.c b/qemu/roms/u-boot/net/ping.c
new file mode 100644
index 000000000..0710b9228
--- /dev/null
+++ b/qemu/roms/u-boot/net/ping.c
@@ -0,0 +1,115 @@
+/*
+ *	Copied from Linux Monitor (LiMon) - Networking.
+ *
+ *	Copyright 1994 - 2000 Neil Russell.
+ *	(See License)
+ *	Copyright 2000 Roland Borde
+ *	Copyright 2000 Paolo Scaffardi
+ *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ */
+
+#include "ping.h"
+#include "arp.h"
+
+static ushort PingSeqNo;
+
+/* The ip address to ping */
+IPaddr_t NetPingIP;
+
+static void set_icmp_header(uchar *pkt, IPaddr_t dest)
+{
+	/*
+	 *	Construct an IP and ICMP header.
+	 */
+	struct ip_hdr *ip = (struct ip_hdr *)pkt;
+	struct icmp_hdr *icmp = (struct icmp_hdr *)(pkt + IP_HDR_SIZE);
+
+	net_set_ip_header(pkt, dest, NetOurIP);
+
+	ip->ip_len   = htons(IP_ICMP_HDR_SIZE);
+	ip->ip_p     = IPPROTO_ICMP;
+	ip->ip_sum   = ~NetCksum((uchar *)ip, IP_HDR_SIZE >> 1);
+
+	icmp->type = ICMP_ECHO_REQUEST;
+	icmp->code = 0;
+	icmp->checksum = 0;
+	icmp->un.echo.id = 0;
+	icmp->un.echo.sequence = htons(PingSeqNo++);
+	icmp->checksum = ~NetCksum((uchar *)icmp, ICMP_HDR_SIZE	>> 1);
+}
+
+static int ping_send(void)
+{
+	uchar *pkt;
+	int eth_hdr_size;
+
+	/* XXX always send arp request */
+
+	debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &NetPingIP);
+
+	NetArpWaitPacketIP = NetPingIP;
+
+	eth_hdr_size = NetSetEther(NetTxPacket, NetEtherNullAddr, PROT_IP);
+	pkt = (uchar *)NetTxPacket + eth_hdr_size;
+
+	set_icmp_header(pkt, NetPingIP);
+
+	/* size of the waiting packet */
+	NetArpWaitTxPacketSize = eth_hdr_size + IP_ICMP_HDR_SIZE;
+
+	/* and do the ARP request */
+	NetArpWaitTry = 1;
+	NetArpWaitTimerStart = get_timer(0);
+	ArpRequest();
+	return 1;	/* waiting */
+}
+
+static void ping_timeout(void)
+{
+	eth_halt();
+	net_set_state(NETLOOP_FAIL);	/* we did not get the reply */
+}
+
+void ping_start(void)
+{
+	printf("Using %s device\n", eth_get_name());
+	NetSetTimeout(10000UL, ping_timeout);
+
+	ping_send();
+}
+
+void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
+{
+	struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
+	IPaddr_t src_ip;
+	int eth_hdr_size;
+
+	switch (icmph->type) {
+	case ICMP_ECHO_REPLY:
+		src_ip = NetReadIP((void *)&ip->ip_src);
+		if (src_ip == NetPingIP)
+			net_set_state(NETLOOP_SUCCESS);
+		return;
+	case ICMP_ECHO_REQUEST:
+		eth_hdr_size = net_update_ether(et, et->et_src, PROT_IP);
+
+		debug_cond(DEBUG_DEV_PKT, "Got ICMP ECHO REQUEST, return "
+			"%d bytes\n", eth_hdr_size + len);
+
+		ip->ip_sum = 0;
+		ip->ip_off = 0;
+		NetCopyIP((void *)&ip->ip_dst, &ip->ip_src);
+		NetCopyIP((void *)&ip->ip_src, &NetOurIP);
+		ip->ip_sum = ~NetCksum((uchar *)ip,
+				       IP_HDR_SIZE >> 1);
+
+		icmph->type = ICMP_ECHO_REPLY;
+		icmph->checksum = 0;
+		icmph->checksum = ~NetCksum((uchar *)icmph,
+			(len - IP_HDR_SIZE) >> 1);
+		NetSendPacket((uchar *)et, eth_hdr_size + len);
+		return;
+/*	default:
+		return;*/
+	}
+}