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-rw-r--r--networking/ping.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/networking/ping.c b/networking/ping.c
index bba37a0..b36ab18 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -226,9 +226,9 @@ static void sendping(int junk)
pkt->icmp_type = ICMP_ECHO;
pkt->icmp_code = 0;
pkt->icmp_cksum = 0;
- pkt->icmp_seq = ntransmitted++;
+ pkt->icmp_seq = htons(ntransmitted++);
pkt->icmp_id = myid;
- CLR(pkt->icmp_seq % MAX_DUP_CHK);
+ CLR(ntohs(pkt->icmp_seq) % MAX_DUP_CHK);
gettimeofday((struct timeval *) &packet[8], NULL);
pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
@@ -296,6 +296,7 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
return; /* not our ping */
if (icmppkt->icmp_type == ICMP_ECHOREPLY) {
+ u_int16_t recv_seq = ntohs(icmppkt->icmp_seq);
++nreceived;
tp = (struct timeval *) icmppkt->icmp_data;
@@ -312,12 +313,12 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
if (triptime > tmax)
tmax = triptime;
- if (TST(icmppkt->icmp_seq % MAX_DUP_CHK)) {
+ if (TST(recv_seq % MAX_DUP_CHK)) {
++nrepeats;
--nreceived;
dupflag = 1;
} else {
- SET(icmppkt->icmp_seq % MAX_DUP_CHK);
+ SET(recv_seq % MAX_DUP_CHK);
dupflag = 0;
}
@@ -326,7 +327,7 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
printf("%d bytes from %s: icmp_seq=%u", sz,
inet_ntoa(*(struct in_addr *) &from->sin_addr.s_addr),
- icmppkt->icmp_seq);
+ recv_seq);
printf(" ttl=%d", iphdr->ttl);
printf(" time=%lu.%lu ms", triptime / 10, triptime % 10);
if (dupflag)