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Diffstat (limited to 'net/ping.c')
-rw-r--r--net/ping.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ping.c b/net/ping.c
index c525635..939f8ff 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -42,6 +42,7 @@ static int ping_send(void)
{
static uchar mac[6];
uchar *pkt;
+ int eth_hdr_size;
/* XXX always send arp request */
@@ -53,13 +54,13 @@ static int ping_send(void)
NetArpWaitPacketMAC = mac;
pkt = NetArpWaitTxPacket;
- pkt += NetSetEther(pkt, mac, PROT_IP);
+ eth_hdr_size = NetSetEther(pkt, mac, PROT_IP);
+ pkt += eth_hdr_size;
set_icmp_header(pkt, NetPingIP);
/* size of the waiting packet */
- NetArpWaitTxPacketSize =
- (pkt - NetArpWaitTxPacket) + IP_HDR_SIZE + 8;
+ NetArpWaitTxPacketSize = eth_hdr_size + IP_ICMP_HDR_SIZE;
/* and do the ARP request */
NetArpWaitTry = 1;