diff options
Diffstat (limited to 'net/ping.c')
| -rw-r--r-- | net/ping.c | 10 |
1 files changed, 4 insertions, 6 deletions
@@ -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: |