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Diffstat (limited to 'nuttx/net/uip/uip-icmpsend.c')
-rw-r--r--nuttx/net/uip/uip-icmpsend.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/nuttx/net/uip/uip-icmpsend.c b/nuttx/net/uip/uip-icmpsend.c
index 90c2a6c6e..c0076b0e8 100644
--- a/nuttx/net/uip/uip-icmpsend.c
+++ b/nuttx/net/uip/uip-icmpsend.c
@@ -98,6 +98,12 @@ void uip_icmpsend(struct uip_driver_s *dev, uip_ipaddr_t *destaddr)
dev->d_len = dev->d_sndlen + UIP_IPICMPH_LEN;
+ /* The total size of the data (for ICMP checksum calculation) includes
+ * the size of the ICMP header
+ */
+
+ dev->d_sndlen += UIP_ICMPH_LEN;
+
/* Initialize the IP header. Note that for IPv6, the IP length field
* does not include the IPv6 IP header length.
*/