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Ping attempt count in CC3000 ping report much higher than set in netapp_ping_send.

Hi,
I am receiving unexpected data on the CC3000 ping report.

After CC3000 has received it's DHCP data, I issue netapp_ping_send(192.168.0.1, 4, 32, 1000).

The parameters:

  • 192.168.0.1 is the IPv4 of the AP my CC3000 is connected to
  • 4 is the ping attempt count
  • 32 is the ping size (in bytes)
  • 1000 is the timeout to wait for answer (in ms)

I receive HCI_EVNT_WLAN_UNSOL_PING_REPORT message:

(SPI-trace): 02 00 00 00 19 | 04 40 80 15 | 01 . 08 00 00 00 . 04 00 00 00 . 03 00 00 00 . 0C 00 00 00 . 04 00 00 00

Arguments:

  • Status: 1 (what does 1 mean?)
  • Packets sent: 8
  • Received: 4
  • Min RTT: 3
  • Max RTT: 12
  • Avg. RTT: 4

Why is the packets sent value 8 ? Looking at wireshark I can only see 4 ICMP packets originating from CC3000? Errata (http://www.ti.com/lit/er/swrz044b/swrz044b.pdf) under 2.2 says that only the received responses value might be incorrect.

Cheers,
Risto