net: add definition for DSCP and ECN masks

[dpdk.git] / lib / librte_net / rte_ip.h

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index 9b1944b..e69b863 100644 (file)
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -42,7 +42,7 @@ struct rte_ipv4_hdr {
 } __attribute__((__packed__));
 
 /** Create IPv4 address */
-#define RTE_IPv4(a, b, c, d) ((uint32_t)(((a) & 0xff) << 24) | \
+#define RTE_IPV4(a, b, c, d) ((uint32_t)(((a) & 0xff) << 24) | \
                                           (((b) & 0xff) << 16) | \
                                           (((c) & 0xff) << 8)  | \
                                           ((d) & 0xff))
@@ -58,6 +58,10 @@ struct rte_ipv4_hdr {
  */
 #define RTE_IPV4_IHL_MULTIPLIER        (4)
 
+/* Type of Service fields */
+#define RTE_IPV4_HDR_DSCP_MASK (0xfc)
+#define RTE_IPV4_HDR_ECN_MASK  (0x03)
+
 /* Fragment Offset * Flags. */
 #define        RTE_IPV4_HDR_DF_SHIFT   14
 #define        RTE_IPV4_HDR_MF_SHIFT   13
@@ -84,9 +88,9 @@ struct rte_ipv4_hdr {
  * IPv4 Multicast-related macros
  */
 #define RTE_IPV4_MIN_MCAST \
-       RTE_IPv4(224, 0, 0, 0)          /**< Minimal IPv4-multicast address */
+       RTE_IPV4(224, 0, 0, 0)          /**< Minimal IPv4-multicast address */
 #define RTE_IPV4_MAX_MCAST \
-       RTE_IPv4(239, 255, 255, 255)    /**< Maximum IPv4 multicast address */
+       RTE_IPV4(239, 255, 255, 255)    /**< Maximum IPv4 multicast address */
 
 #define RTE_IS_IPV4_MCAST(x) \
        ((x) >= RTE_IPV4_MIN_MCAST && (x) <= RTE_IPV4_MAX_MCAST)
@@ -354,8 +358,10 @@ struct rte_ipv6_hdr {
 /* IPv6 vtc_flow: IPv / TC / flow_label */
 #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_FL_MASK   ((1u << RTE_IPV6_HDR_TC_SHIFT) - 1)
+#define RTE_IPV6_HDR_TC_MASK   (0xff << RTE_IPV6_HDR_TC_SHIFT)
+#define RTE_IPV6_HDR_DSCP_MASK (0xfc << RTE_IPV6_HDR_TC_SHIFT)
+#define RTE_IPV6_HDR_ECN_MASK  (0x03 << RTE_IPV6_HDR_TC_SHIFT)
 
 /**
  * Process the pseudo-header checksum of an IPv6 header.