[dpdk-dev] [PATCH v4 03/13] mbuf: reorder tx ol_flags

[Olivier Matz]

The tx mbuf flags are now ordered from the lowest value to the
the highest. Add comments to explain where to add new flags.

By the way, move the PKT_TX_VXLAN_CKSUM at the right place.

Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
 lib/librte_mbuf/rte_mbuf.h | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 5899e5c..faa9924 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -95,14 +95,11 @@ extern "C" {
 #define PKT_RX_TUNNEL_IPV6_HDR (1ULL << 12) /**< RX tunnel packet with IPv6 header. */
 #define PKT_RX_FDIR_ID       (1ULL << 13) /**< FD id reported if FDIR match. */
 #define PKT_RX_FDIR_FLX      (1ULL << 14) /**< Flexible bytes reported if FDIR match. */
+/* add new RX flags here */
 
-#define PKT_TX_VLAN_PKT      (1ULL << 55) /**< TX packet is a 802.1q VLAN packet. */
-#define PKT_TX_IP_CKSUM      (1ULL << 54) /**< IP cksum of TX pkt. computed by NIC. */
+/* add new TX flags here */
 #define PKT_TX_VXLAN_CKSUM   (1ULL << 50) /**< TX checksum of VXLAN computed by NIC */
-#define PKT_TX_IPV4_CSUM     PKT_TX_IP_CKSUM /**< Alias of PKT_TX_IP_CKSUM. */
-#define PKT_TX_IPV4          PKT_RX_IPV4_HDR /**< IPv4 with no IP checksum offload. */
-#define PKT_TX_IPV6          PKT_RX_IPV6_HDR /**< IPv6 packet */
-
+#define PKT_TX_IEEE1588_TMST (1ULL << 51) /**< TX IEEE1588 packet to timestamp. */
 /*
  * Bits 52+53 used for L4 packet type with checksum enabled.
  *     00: Reserved
@@ -116,8 +113,12 @@ extern "C" {
 #define PKT_TX_UDP_CKSUM     (3ULL << 52) /**< UDP cksum of TX pkt. computed by NIC. */
 #define PKT_TX_L4_MASK       (3ULL << 52) /**< Mask for L4 cksum offload request. */
 
-/* Bit 51 - IEEE1588*/
-#define PKT_TX_IEEE1588_TMST (1ULL << 51) /**< TX IEEE1588 packet to timestamp. */
+#define PKT_TX_IP_CKSUM      (1ULL << 54) /**< IP cksum of TX pkt. computed by NIC. */
+#define PKT_TX_IPV4_CSUM     PKT_TX_IP_CKSUM /**< Alias of PKT_TX_IP_CKSUM. */
+#define PKT_TX_IPV4          PKT_RX_IPV4_HDR /**< IPv4 with no IP checksum offload. */
+#define PKT_TX_IPV6          PKT_RX_IPV6_HDR /**< IPv6 packet */
+
+#define PKT_TX_VLAN_PKT      (1ULL << 55) /**< TX packet is a 802.1q VLAN packet. */
 
 /* Use final bit of flags to indicate a control mbuf */
 #define CTRL_MBUF_FLAG       (1ULL << 63) /**< Mbuf contains control data */
-- 
2.1.0