mbuf: add new Rx checksum flags

[dpdk.git] / lib / librte_mbuf / rte_mbuf.h

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 7541070..38022a3 100644 (file)
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -91,8 +91,25 @@ extern "C" {
 
 #define PKT_RX_RSS_HASH      (1ULL << 1)  /**< RX packet with RSS hash result. */
 #define PKT_RX_FDIR          (1ULL << 2)  /**< RX packet with FDIR match indicate. */
-#define PKT_RX_L4_CKSUM_BAD  (1ULL << 3)  /**< L4 cksum of RX pkt. is not OK. */
-#define PKT_RX_IP_CKSUM_BAD  (1ULL << 4)  /**< IP cksum of RX pkt. is not OK. */
+
+/**
+ * Deprecated.
+ * Checking this flag alone is deprecated: check the 2 bits of
+ * PKT_RX_L4_CKSUM_MASK.
+ * This flag was set when the L4 checksum of a packet was detected as
+ * wrong by the hardware.
+ */
+#define PKT_RX_L4_CKSUM_BAD  (1ULL << 3)
+
+/**
+ * Deprecated.
+ * Checking this flag alone is deprecated: check the 2 bits of
+ * PKT_RX_IP_CKSUM_MASK.
+ * This flag was set when the IP checksum of a packet was detected as
+ * wrong by the hardware.
+ */
+#define PKT_RX_IP_CKSUM_BAD  (1ULL << 4)
+
 #define PKT_RX_EIP_CKSUM_BAD (1ULL << 5)  /**< External IP header checksum error. */
 
 /**
@@ -102,7 +119,35 @@ extern "C" {
  */
 #define PKT_RX_VLAN_STRIPPED (1ULL << 6)
 
-/* hole, some bits can be reused here  */
+/**
+ * Mask of bits used to determine the status of RX IP checksum.
+ * - PKT_RX_IP_CKSUM_UNKNOWN: no information about the RX IP checksum
+ * - PKT_RX_IP_CKSUM_BAD: the IP checksum in the packet is wrong
+ * - PKT_RX_IP_CKSUM_GOOD: the IP checksum in the packet is valid
+ * - PKT_RX_IP_CKSUM_NONE: the IP checksum is not correct in the packet
+ *   data, but the integrity of the IP header is verified.
+ */
+#define PKT_RX_IP_CKSUM_MASK ((1ULL << 4) | (1ULL << 7))
+
+#define PKT_RX_IP_CKSUM_UNKNOWN 0
+#define PKT_RX_IP_CKSUM_BAD     (1ULL << 4)
+#define PKT_RX_IP_CKSUM_GOOD    (1ULL << 7)
+#define PKT_RX_IP_CKSUM_NONE    ((1ULL << 4) | (1ULL << 7))
+
+/**
+ * Mask of bits used to determine the status of RX L4 checksum.
+ * - PKT_RX_L4_CKSUM_UNKNOWN: no information about the RX L4 checksum
+ * - PKT_RX_L4_CKSUM_BAD: the L4 checksum in the packet is wrong
+ * - PKT_RX_L4_CKSUM_GOOD: the L4 checksum in the packet is valid
+ * - PKT_RX_L4_CKSUM_NONE: the L4 checksum is not correct in the packet
+ *   data, but the integrity of the L4 data is verified.
+ */
+#define PKT_RX_L4_CKSUM_MASK ((1ULL << 3) | (1ULL << 8))
+
+#define PKT_RX_L4_CKSUM_UNKNOWN 0
+#define PKT_RX_L4_CKSUM_BAD     (1ULL << 3)
+#define PKT_RX_L4_CKSUM_GOOD    (1ULL << 8)
+#define PKT_RX_L4_CKSUM_NONE    ((1ULL << 3) | (1ULL << 8))
 
 #define PKT_RX_IEEE1588_PTP  (1ULL << 9)  /**< RX IEEE1588 L2 Ethernet PT Packet. */
 #define PKT_RX_IEEE1588_TMST (1ULL << 10) /**< RX IEEE1588 L2/L4 timestamped packet.*/