net: fix definition of IPv6 traffic class mask

IPv6 header TC field is 8 bits, not 4.

Fixes: 9b20c6e9028e ("net: add IPv6 header fields macros")
Cc: stable@dpdk.org
Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index ae3b7e7..059ec80 100644 (file)
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -355,7 +355,7 @@ struct rte_ipv6_hdr {
 #define RTE_IPV6_HDR_FL_SHIFT 0
 #define RTE_IPV6_HDR_TC_SHIFT 20
 #define RTE_IPV6_HDR_FL_MASK ((1u << RTE_IPV6_HDR_TC_SHIFT) - 1)
-#define RTE_IPV6_HDR_TC_MASK (0xf << RTE_IPV6_HDR_TC_SHIFT)
+#define RTE_IPV6_HDR_TC_MASK (0xff << RTE_IPV6_HDR_TC_SHIFT)
 
 /**
  * Process the pseudo-header checksum of an IPv6 header.