mbuf: add definitions of unified packet types
As there are only 6 bit flags in ol_flags for indicating packet types, which is not enough to describe all the possible packet types hardware can recognize. For example, i40e hardware can recognize more than 150 packet types. Unified packet type is composed of L2 type, L3 type, L4 type, tunnel type, inner L2 type, inner L3 type and inner L4 type fields, and can be stored in 'struct rte_mbuf' of 32 bits field 'packet_type'. To avoid breaking ABI compatibility, all the changes would be enabled by RTE_NEXT_ABI. Signed-off-by: Helin Zhang <helin.zhang@intel.com> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com> Acked-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
Helin Zhang
Thomas Monjalon
parent
3962541758
commit
f295a00a2b
@ -202,6 +202,492 @@ extern "C" {
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/* Use final bit of flags to indicate a control mbuf */
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#define CTRL_MBUF_FLAG (1ULL << 63) /**< Mbuf contains control data */
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#ifdef RTE_NEXT_ABI
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/*
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* 32 bits are divided into several fields to mark packet types. Note that
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* each field is indexical.
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* - Bit 3:0 is for L2 types.
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* - Bit 7:4 is for L3 or outer L3 (for tunneling case) types.
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* - Bit 11:8 is for L4 or outer L4 (for tunneling case) types.
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* - Bit 15:12 is for tunnel types.
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* - Bit 19:16 is for inner L2 types.
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* - Bit 23:20 is for inner L3 types.
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* - Bit 27:24 is for inner L4 types.
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* - Bit 31:28 is reserved.
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*
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* To be compatible with Vector PMD, RTE_PTYPE_L3_IPV4, RTE_PTYPE_L3_IPV4_EXT,
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* RTE_PTYPE_L3_IPV6, RTE_PTYPE_L3_IPV6_EXT, RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP
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* and RTE_PTYPE_L4_SCTP should be kept as below in a contiguous 7 bits.
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*
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* Note that L3 types values are selected for checking IPV4/IPV6 header from
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* performance point of view. Reading annotations of RTE_ETH_IS_IPV4_HDR and
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* RTE_ETH_IS_IPV6_HDR is needed for any future changes of L3 type values.
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*
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* Note that the packet types of the same packet recognized by different
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* hardware may be different, as different hardware may have different
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* capability of packet type recognition.
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*
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* examples:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=0x29
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* | 'version'=6, 'next header'=0x3A
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* | 'ICMPv6 header'>
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* will be recognized on i40e hardware as packet type combination of,
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* RTE_PTYPE_L2_ETHER |
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* RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
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* RTE_PTYPE_TUNNEL_IP |
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* RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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* RTE_PTYPE_INNER_L4_ICMP.
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*
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=0x2F
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* | 'GRE header'
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* | 'version'=6, 'next header'=0x11
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* | 'UDP header'>
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* will be recognized on i40e hardware as packet type combination of,
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* RTE_PTYPE_L2_ETHER |
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* RTE_PTYPE_L3_IPV6_EXT_UNKNOWN |
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* RTE_PTYPE_TUNNEL_GRENAT |
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* RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
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* RTE_PTYPE_INNER_L4_UDP.
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*/
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#define RTE_PTYPE_UNKNOWN 0x00000000
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/**
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* Ethernet packet type.
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* It is used for outer packet for tunneling cases.
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*
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* Packet format:
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* <'ether type'=[0x0800|0x86DD]>
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*/
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#define RTE_PTYPE_L2_ETHER 0x00000001
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/**
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* Ethernet packet type for time sync.
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*
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* Packet format:
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* <'ether type'=0x88F7>
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*/
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#define RTE_PTYPE_L2_ETHER_TIMESYNC 0x00000002
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/**
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* ARP (Address Resolution Protocol) packet type.
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*
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* Packet format:
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* <'ether type'=0x0806>
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*/
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#define RTE_PTYPE_L2_ETHER_ARP 0x00000003
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/**
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* LLDP (Link Layer Discovery Protocol) packet type.
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*
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* Packet format:
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* <'ether type'=0x88CC>
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*/
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#define RTE_PTYPE_L2_ETHER_LLDP 0x00000004
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/**
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* Mask of layer 2 packet types.
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* It is used for outer packet for tunneling cases.
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*/
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#define RTE_PTYPE_L2_MASK 0x0000000f
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for outer packet for tunneling cases, and does not contain any
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* header option.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=5>
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*/
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#define RTE_PTYPE_L3_IPV4 0x00000010
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for outer packet for tunneling cases, and contains header
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* options.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=[6-15], 'options'>
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*/
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#define RTE_PTYPE_L3_IPV4_EXT 0x00000030
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for outer packet for tunneling cases, and does not contain any
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* extension header.
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*
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* Packet format:
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=0x3B>
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*/
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#define RTE_PTYPE_L3_IPV6 0x00000040
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for outer packet for tunneling cases, and may or maynot contain
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* header options.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=[5-15], <'options'>>
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*/
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#define RTE_PTYPE_L3_IPV4_EXT_UNKNOWN 0x00000090
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for outer packet for tunneling cases, and contains extension
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* headers.
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*
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* Packet format:
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=[0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87],
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* 'extension headers'>
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*/
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#define RTE_PTYPE_L3_IPV6_EXT 0x000000c0
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for outer packet for tunneling cases, and may or maynot contain
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* extension headers.
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*
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* Packet format:
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=[0x3B|0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87],
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* <'extension headers'>>
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*/
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#define RTE_PTYPE_L3_IPV6_EXT_UNKNOWN 0x000000e0
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/**
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* Mask of layer 3 packet types.
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* It is used for outer packet for tunneling cases.
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*/
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#define RTE_PTYPE_L3_MASK 0x000000f0
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/**
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* TCP (Transmission Control Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=6, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=6>
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*/
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#define RTE_PTYPE_L4_TCP 0x00000100
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/**
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* UDP (User Datagram Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=17, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=17>
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*/
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#define RTE_PTYPE_L4_UDP 0x00000200
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/**
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* Fragmented IP (Internet Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* It refers to those packets of any IP types, which can be recognized as
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* fragmented. A fragmented packet cannot be recognized as any other L4 types
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* (RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP, RTE_PTYPE_L4_SCTP, RTE_PTYPE_L4_ICMP,
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* RTE_PTYPE_L4_NONFRAG).
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'MF'=1>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=44>
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*/
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#define RTE_PTYPE_L4_FRAG 0x00000300
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/**
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* SCTP (Stream Control Transmission Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=132, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=132>
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*/
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#define RTE_PTYPE_L4_SCTP 0x00000400
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/**
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* ICMP (Internet Control Message Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=1, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=1>
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*/
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#define RTE_PTYPE_L4_ICMP 0x00000500
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/**
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* Non-fragmented IP (Internet Protocol) packet type.
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* It is used for outer packet for tunneling cases.
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*
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* It refers to those packets of any IP types, while cannot be recognized as
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* any of above L4 types (RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP,
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* RTE_PTYPE_L4_FRAG, RTE_PTYPE_L4_SCTP, RTE_PTYPE_L4_ICMP).
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'!=[6|17|132|1], 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'!=[6|17|44|132|1]>
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*/
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#define RTE_PTYPE_L4_NONFRAG 0x00000600
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/**
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* Mask of layer 4 packet types.
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* It is used for outer packet for tunneling cases.
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*/
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#define RTE_PTYPE_L4_MASK 0x00000f00
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/**
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* IP (Internet Protocol) in IP (Internet Protocol) tunneling packet type.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=[4|41]>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=[4|41]>
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*/
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#define RTE_PTYPE_TUNNEL_IP 0x00001000
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/**
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* GRE (Generic Routing Encapsulation) tunneling packet type.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=47>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=47>
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*/
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#define RTE_PTYPE_TUNNEL_GRE 0x00002000
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/**
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* VXLAN (Virtual eXtensible Local Area Network) tunneling packet type.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=17
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* | 'destination port'=4798>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=17
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* | 'destination port'=4798>
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*/
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#define RTE_PTYPE_TUNNEL_VXLAN 0x00003000
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/**
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* NVGRE (Network Virtualization using Generic Routing Encapsulation) tunneling
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* packet type.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=47
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* | 'protocol type'=0x6558>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=47
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* | 'protocol type'=0x6558'>
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*/
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#define RTE_PTYPE_TUNNEL_NVGRE 0x00004000
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/**
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* GENEVE (Generic Network Virtualization Encapsulation) tunneling packet type.
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*
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* Packet format:
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=17
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* | 'destination port'=6081>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=17
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* | 'destination port'=6081>
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*/
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#define RTE_PTYPE_TUNNEL_GENEVE 0x00005000
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/**
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* Tunneling packet type of Teredo, VXLAN (Virtual eXtensible Local Area
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* Network) or GRE (Generic Routing Encapsulation) could be recognized as this
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* packet type, if they can not be recognized independently as of hardware
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* capability.
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*/
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#define RTE_PTYPE_TUNNEL_GRENAT 0x00006000
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/**
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* Mask of tunneling packet types.
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*/
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#define RTE_PTYPE_TUNNEL_MASK 0x0000f000
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/**
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* Ethernet packet type.
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* It is used for inner packet type only.
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*
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* Packet format (inner only):
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* <'ether type'=[0x800|0x86DD]>
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*/
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#define RTE_PTYPE_INNER_L2_ETHER 0x00010000
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/**
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* Ethernet packet type with VLAN (Virtual Local Area Network) tag.
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*
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* Packet format (inner only):
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* <'ether type'=[0x800|0x86DD], vlan=[1-4095]>
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*/
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#define RTE_PTYPE_INNER_L2_ETHER_VLAN 0x00020000
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/**
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* Mask of inner layer 2 packet types.
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*/
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#define RTE_PTYPE_INNER_L2_MASK 0x000f0000
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for inner packet only, and does not contain any header option.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=5>
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*/
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#define RTE_PTYPE_INNER_L3_IPV4 0x00100000
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for inner packet only, and contains header options.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=[6-15], 'options'>
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*/
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#define RTE_PTYPE_INNER_L3_IPV4_EXT 0x00200000
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for inner packet only, and does not contain any extension header.
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*
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* Packet format (inner only):
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=0x3B>
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*/
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#define RTE_PTYPE_INNER_L3_IPV6 0x00300000
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/**
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* IP (Internet Protocol) version 4 packet type.
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* It is used for inner packet only, and may or maynot contain header options.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'ihl'=[5-15], <'options'>>
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*/
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#define RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN 0x00400000
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for inner packet only, and contains extension headers.
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*
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* Packet format (inner only):
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=[0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87],
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* 'extension headers'>
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*/
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#define RTE_PTYPE_INNER_L3_IPV6_EXT 0x00500000
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/**
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* IP (Internet Protocol) version 6 packet type.
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* It is used for inner packet only, and may or maynot contain extension
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* headers.
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*
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* Packet format (inner only):
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=[0x3B|0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87],
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* <'extension headers'>>
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*/
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#define RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN 0x00600000
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/**
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* Mask of inner layer 3 packet types.
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*/
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#define RTE_PTYPE_INNER_INNER_L3_MASK 0x00f00000
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/**
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* TCP (Transmission Control Protocol) packet type.
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* It is used for inner packet only.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=6, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=6>
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*/
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#define RTE_PTYPE_INNER_L4_TCP 0x01000000
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/**
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* UDP (User Datagram Protocol) packet type.
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* It is used for inner packet only.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'protocol'=17, 'MF'=0>
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* or,
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* <'ether type'=0x86DD
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* | 'version'=6, 'next header'=17>
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*/
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#define RTE_PTYPE_INNER_L4_UDP 0x02000000
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/**
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* Fragmented IP (Internet Protocol) packet type.
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* It is used for inner packet only, and may or maynot have layer 4 packet.
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*
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* Packet format (inner only):
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* <'ether type'=0x0800
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* | 'version'=4, 'MF'=1>
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* or,
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* <'ether type'=0x86DD
|
||||
* | 'version'=6, 'next header'=44>
|
||||
*/
|
||||
#define RTE_PTYPE_INNER_L4_FRAG 0x03000000
|
||||
/**
|
||||
* SCTP (Stream Control Transmission Protocol) packet type.
|
||||
* It is used for inner packet only.
|
||||
*
|
||||
* Packet format (inner only):
|
||||
* <'ether type'=0x0800
|
||||
* | 'version'=4, 'protocol'=132, 'MF'=0>
|
||||
* or,
|
||||
* <'ether type'=0x86DD
|
||||
* | 'version'=6, 'next header'=132>
|
||||
*/
|
||||
#define RTE_PTYPE_INNER_L4_SCTP 0x04000000
|
||||
/**
|
||||
* ICMP (Internet Control Message Protocol) packet type.
|
||||
* It is used for inner packet only.
|
||||
*
|
||||
* Packet format (inner only):
|
||||
* <'ether type'=0x0800
|
||||
* | 'version'=4, 'protocol'=1, 'MF'=0>
|
||||
* or,
|
||||
* <'ether type'=0x86DD
|
||||
* | 'version'=6, 'next header'=1>
|
||||
*/
|
||||
#define RTE_PTYPE_INNER_L4_ICMP 0x05000000
|
||||
/**
|
||||
* Non-fragmented IP (Internet Protocol) packet type.
|
||||
* It is used for inner packet only, and may or maynot have other unknown layer
|
||||
* 4 packet types.
|
||||
*
|
||||
* Packet format (inner only):
|
||||
* <'ether type'=0x0800
|
||||
* | 'version'=4, 'protocol'!=[6|17|132|1], 'MF'=0>
|
||||
* or,
|
||||
* <'ether type'=0x86DD
|
||||
* | 'version'=6, 'next header'!=[6|17|44|132|1]>
|
||||
*/
|
||||
#define RTE_PTYPE_INNER_L4_NONFRAG 0x06000000
|
||||
/**
|
||||
* Mask of inner layer 4 packet types.
|
||||
*/
|
||||
#define RTE_PTYPE_INNER_L4_MASK 0x0f000000
|
||||
|
||||
/**
|
||||
* Check if the (outer) L3 header is IPv4. To avoid comparing IPv4 types one by
|
||||
* one, bit 4 is selected to be used for IPv4 only. Then checking bit 4 can
|
||||
* determin if it is an IPV4 packet.
|
||||
*/
|
||||
#define RTE_ETH_IS_IPV4_HDR(ptype) ((ptype) & RTE_PTYPE_L3_IPV4)
|
||||
|
||||
/**
|
||||
* Check if the (outer) L3 header is IPv4. To avoid comparing IPv4 types one by
|
||||
* one, bit 6 is selected to be used for IPv4 only. Then checking bit 6 can
|
||||
* determin if it is an IPV4 packet.
|
||||
*/
|
||||
#define RTE_ETH_IS_IPV6_HDR(ptype) ((ptype) & RTE_PTYPE_L3_IPV6)
|
||||
|
||||
/* Check if it is a tunneling packet */
|
||||
#define RTE_ETH_IS_TUNNEL_PKT(ptype) ((ptype) & RTE_PTYPE_TUNNEL_MASK)
|
||||
#endif /* RTE_NEXT_ABI */
|
||||
|
||||
/**
|
||||
* Get the name of a RX offload flag
|
||||
*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user