batctl: tr / ping - ignore packets with wrong sequence number
Commit Message
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
---
ping.c | 5 +++++
traceroute.c | 5 +++++
2 files changed, 10 insertions(+), 0 deletions(-)
Comments
On Monday, February 06, 2012 22:04:17 Marek Lindner wrote:
> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
> ---
> ping.c | 5 +++++
> traceroute.c | 5 +++++
> 2 files changed, 10 insertions(+), 0 deletions(-)
Applied in revision 2ecb2c8.
Regards,
Marek
@@ -196,6 +196,7 @@ int ping(char *mesh_iface, int argc, char **argv)
goto sleep;
}
+read_packet:
start_timer();
FD_ZERO(&read_socket);
@@ -229,6 +230,10 @@ int ping(char *mesh_iface, int argc, char **argv)
goto sleep;
}
+ /* after receiving an unexpected seqno we keep waiting for our answer */
+ if (htons(seq_counter) != icmp_packet_in.seqno)
+ goto read_packet;
+
switch (icmp_packet_in.msg_type) {
case ECHO_REPLY:
time_delta = end_timer();
@@ -142,6 +142,7 @@ int traceroute(char *mesh_iface, int argc, char **argv)
continue;
}
+read_packet:
start_timer();
tv.tv_sec = 2;
@@ -168,6 +169,10 @@ int traceroute(char *mesh_iface, int argc, char **argv)
continue;
}
+ /* after receiving an unexpected seqno we keep waiting for our answer */
+ if (htons(seq_counter) != icmp_packet_in.seqno)
+ goto read_packet;
+
switch (icmp_packet_in.msg_type) {
case ECHO_REPLY:
dst_reached = 1;