net: fix IPv4 IHL and VHL define

Fix the RTE_IPV4_VHL_DEF macro that represents the value
for the IPv4 VHL and Minimum IHL header fields according to
rfc791.

Fixes: 2318d8d54565 ("net: define IPv4 IHL and VHL")
Cc: stable@dpdk.org
Reported-by: David Harton <dharton@cisco.com>
Signed-off-by: Flavia Musatescu <flavia.musatescu@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index 731ee4f..e3300fd 100644 (file)
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -101,7 +101,7 @@ struct rte_ipv4_hdr {
 
 /* IPv4 default fields values */
 #define RTE_IPV4_MIN_IHL    (0x5)
-#define RTE_IPV4_VHL_DEF    (IPVERSION | RTE_IPV4_MIN_IHL)
+#define RTE_IPV4_VHL_DEF    ((IPVERSION << 4) | RTE_IPV4_MIN_IHL)
 
 /**
  * @internal Calculate a sum of all words in the buffer.