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Diffstat (limited to 'net/ping.c')
-rw-r--r--net/ping.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/ping.c b/net/ping.c
index 2be56ed..366f518 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -29,14 +29,14 @@ static void set_icmp_header(uchar *pkt, IPaddr_t dest)
ip->ip_len = htons(IP_ICMP_HDR_SIZE);
ip->ip_p = IPPROTO_ICMP;
- ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE >> 1);
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
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);
+ icmp->checksum = compute_ip_checksum(icmp, ICMP_HDR_SIZE);
}
static int ping_send(void)
@@ -101,13 +101,11 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
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);
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
icmph->type = ICMP_ECHO_REPLY;
icmph->checksum = 0;
- icmph->checksum = ~NetCksum((uchar *)icmph,
- (len - IP_HDR_SIZE) >> 1);
+ icmph->checksum = compute_ip_checksum(icmph, len - IP_HDR_SIZE);
NetSendPacket((uchar *)et, eth_hdr_size + len);
return;
/* default: