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mbuf: reorder Tx flags

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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@6wind.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
This commit is contained in:
Olivier Matz 2014-11-26 16:04:45 +01:00 committed by Thomas Monjalon
parent 0e8d6a29b4
commit 340e52d9bd
1 changed files with 9 additions and 8 deletions
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17
lib/librte_mbuf/rte_mbuf.h
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@ -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 */