From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id DBBA72E8F for ; Thu, 2 Jul 2015 03:30:26 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 01 Jul 2015 18:30:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,389,1432623600"; d="scan'208";a="754428645" Received: from kmsmsx151.gar.corp.intel.com ([172.21.73.86]) by fmsmga002.fm.intel.com with ESMTP; 01 Jul 2015 18:30:24 -0700 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by KMSMSX151.gar.corp.intel.com (172.21.73.86) with Microsoft SMTP Server (TLS) id 14.3.224.2; Thu, 2 Jul 2015 09:30:22 +0800 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.129]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.246]) with mapi id 14.03.0224.002; Thu, 2 Jul 2015 09:30:21 +0800 From: "Zhang, Helin" To: Olivier MATZ , "dev@dpdk.org" Thread-Topic: [PATCH v8 03/18] mbuf: add definitions of unified packet types Thread-Index: AQHQsxDmL9O8qvdcZ0WV4eRuWIoZXp3HZdeA Date: Thu, 2 Jul 2015 01:30:21 +0000 Message-ID: References: <1434701661-9943-1-git-send-email-helin.zhang@intel.com> <1435024235-19483-1-git-send-email-helin.zhang@intel.com> <1435024235-19483-4-git-send-email-helin.zhang@intel.com> <559256B8.4080703@6wind.com> In-Reply-To: <559256B8.4080703@6wind.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v8 03/18] mbuf: add definitions of unified packet types X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Jul 2015 01:30:27 -0000 Hi Oliver Thanks for your helps! > -----Original Message----- > From: Olivier MATZ [mailto:olivier.matz@6wind.com] > Sent: Tuesday, June 30, 2015 4:44 PM > To: Zhang, Helin; dev@dpdk.org > Cc: Cao, Waterman; Liang, Cunming; Liu, Jijiang; Ananyev, Konstantin; Ric= hardson, > Bruce; yongwang@vmware.com; Wu, Jingjing > Subject: Re: [PATCH v8 03/18] mbuf: add definitions of unified packet typ= es >=20 > Hi Helin, >=20 > This is greatly documented, thanks! > Please find a small comment below. >=20 > On 06/23/2015 03:50 AM, Helin Zhang wrote: > > 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, which is disabled by default. > > > > [...] > > diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h > > index 0315561..0ee0c55 100644 > > --- a/lib/librte_mbuf/rte_mbuf.h > > +++ b/lib/librte_mbuf/rte_mbuf.h > > @@ -201,6 +201,493 @@ extern "C" { > > /* Use final bit of flags to indicate a control mbuf */ > > #define CTRL_MBUF_FLAG (1ULL << 63) /**< Mbuf contains control > data */ > > > > +#ifdef RTE_NEXT_ABI > > +/* > > + * 32 bits are divided into several fields to mark packet types. Note > > +that > > + * each field is indexical. > > + * - Bit 3:0 is for L2 types. > > + * - Bit 7:4 is for L3 or outer L3 (for tunneling case) types. > > + * - Bit 11:8 is for L4 or outer L4 (for tunneling case) types. > > + * - Bit 15:12 is for tunnel types. > > + * - Bit 19:16 is for inner L2 types. > > + * - Bit 23:20 is for inner L3 types. > > + * - Bit 27:24 is for inner L4 types. > > + * - Bit 31:28 is reserved. > > + * > > + * To be compatible with Vector PMD, RTE_PTYPE_L3_IPV4, > > +RTE_PTYPE_L3_IPV4_EXT, > > + * RTE_PTYPE_L3_IPV6, RTE_PTYPE_L3_IPV6_EXT, RTE_PTYPE_L4_TCP, > > +RTE_PTYPE_L4_UDP > > + * and RTE_PTYPE_L4_SCTP should be kept as below in a contiguous 7 bit= s. > > + * > > + * Note that L3 types values are selected for checking IPV4/IPV6 > > +header from > > + * performance point of view. Reading annotations of > > +RTE_ETH_IS_IPV4_HDR and > > + * RTE_ETH_IS_IPV6_HDR is needed for any future changes of L3 type val= ues. > > + * > > + * Note that the packet types of the same packet recognized by > > +different > > + * hardware may be different, as different hardware may have > > +different > > + * capability of packet type recognition. > > + * > > + * examples: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D0x29 > > + * | 'version'=3D6, 'next header'=3D0x3A > > + * | 'ICMPv6 header'> > > + * will be recognized on i40e hardware as packet type combination of, > > + * RTE_PTYPE_L2_MAC | > > + * RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | > > + * RTE_PTYPE_TUNNEL_IP | > > + * RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | > > + * RTE_PTYPE_INNER_L4_ICMP. > > + * > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D0x2F > > + * | 'GRE header' > > + * | 'version'=3D6, 'next header'=3D0x11 > > + * | 'UDP header'> > > + * will be recognized on i40e hardware as packet type combination of, > > + * RTE_PTYPE_L2_MAC | > > + * RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | > > + * RTE_PTYPE_TUNNEL_GRENAT | > > + * RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | > > + * RTE_PTYPE_INNER_L4_UDP. > > + */ > > +#define RTE_PTYPE_UNKNOWN 0x00000000 > > +/** > > + * MAC (Media Access Control) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * Packet format: > > + * <'ether type'=3D[0x0800|0x86DD|others]> */ > > +#define RTE_PTYPE_L2_MAC 0x00000001 >=20 > I'm wondering if RTE_PTYPE_L2_ETHER is not a better name? Ethernet includes both Data Link Layer and Physical Layer, while MAC is for= Data Link Layer only. I would prefer to keep 'MAC' in the names, rather than 'ether'. Any opinions from others? Regards, Helin >=20 >=20 > > +/** > > + * MAC (Media Access Control) packet type for time sync. > > + * > > + * Packet format: > > + * <'ether type'=3D0x88F7> > > + */ > > +#define RTE_PTYPE_L2_MAC_TIMESYNC 0x00000002 > > +/** > > + * ARP (Address Resolution Protocol) packet type. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0806> > > + */ > > +#define RTE_PTYPE_L2_ARP 0x00000003 > > +/** > > + * LLDP (Link Layer Discovery Protocol) packet type. > > + * > > + * Packet format: > > + * <'ether type'=3D0x88CC> > > + */ > > +#define RTE_PTYPE_L2_LLDP 0x00000004 >=20 > Maybe ETHER should appear in these names too, what do you think? Same as above. >=20 >=20 >=20 >=20 > > +/** > > + * Mask of layer 2 packet types. > > + * It is used for outer packet for tunneling cases. > > + */ > > +#define RTE_PTYPE_L2_MASK 0x0000000f > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for outer packet for tunneling cases, and does not > > +contain any > > + * header option. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D5> > > + */ > > +#define RTE_PTYPE_L3_IPV4 0x00000010 > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for outer packet for tunneling cases, and contains > > +header > > + * options. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D[6-15], 'options'> */ > > +#define RTE_PTYPE_L3_IPV4_EXT 0x00000030 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for outer packet for tunneling cases, and does not > > +contain any > > + * extension header. > > + * > > + * Packet format: > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D0x3B> */ > > +#define RTE_PTYPE_L3_IPV6 0x00000040 > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for outer packet for tunneling cases, and may or maynot > > +contain > > + * header options. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D[5-15], <'options'>> */ > > +#define RTE_PTYPE_L3_IPV4_EXT_UNKNOWN 0x00000090 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for outer packet for tunneling cases, and contains > > +extension > > + * headers. > > + * > > + * Packet format: > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D[0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87= ], > > + * 'extension headers'> > > + */ > > +#define RTE_PTYPE_L3_IPV6_EXT 0x000000c0 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for outer packet for tunneling cases, and may or maynot > > +contain > > + * extension headers. > > + * > > + * Packet format: > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D[0x3B|0x0|0x2B|0x2C|0x32|0x33|0x3C= |0x87], > > + * <'extension headers'>> > > + */ > > +#define RTE_PTYPE_L3_IPV6_EXT_UNKNOWN 0x000000e0 > > +/** > > + * Mask of layer 3 packet types. > > + * It is used for outer packet for tunneling cases. > > + */ > > +#define RTE_PTYPE_L3_MASK 0x000000f0 > > +/** > > + * TCP (Transmission Control Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D6, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D6> > > + */ > > +#define RTE_PTYPE_L4_TCP 0x00000100 > > +/** > > + * UDP (User Datagram Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D17, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D17> > > + */ > > +#define RTE_PTYPE_L4_UDP 0x00000200 > > +/** > > + * Fragmented IP (Internet Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * It refers to those packets of any IP types, which can be > > +recognized as > > + * fragmented. A fragmented packet cannot be recognized as any other > > +L4 types > > + * (RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP, RTE_PTYPE_L4_SCTP, > > +RTE_PTYPE_L4_ICMP, > > + * RTE_PTYPE_L4_NONFRAG). > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'MF'=3D1> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D44> > > + */ > > +#define RTE_PTYPE_L4_FRAG 0x00000300 > > +/** > > + * SCTP (Stream Control Transmission Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D132, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D132> > > + */ > > +#define RTE_PTYPE_L4_SCTP 0x00000400 > > +/** > > + * ICMP (Internet Control Message Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D1, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D1> > > + */ > > +#define RTE_PTYPE_L4_ICMP 0x00000500 > > +/** > > + * Non-fragmented IP (Internet Protocol) packet type. > > + * It is used for outer packet for tunneling cases. > > + * > > + * It refers to those packets of any IP types, while cannot be > > +recognized as > > + * any of above L4 types (RTE_PTYPE_L4_TCP, RTE_PTYPE_L4_UDP, > > + * RTE_PTYPE_L4_FRAG, RTE_PTYPE_L4_SCTP, RTE_PTYPE_L4_ICMP). > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'!=3D[6|17|132|1], 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'!=3D[6|17|44|132|1]> */ > > +#define RTE_PTYPE_L4_NONFRAG 0x00000600 > > +/** > > + * Mask of layer 4 packet types. > > + * It is used for outer packet for tunneling cases. > > + */ > > +#define RTE_PTYPE_L4_MASK 0x00000f00 > > +/** > > + * IP (Internet Protocol) in IP (Internet Protocol) tunneling packet t= ype. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D[4|41]> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D[4|41]> */ > > +#define RTE_PTYPE_TUNNEL_IP 0x00001000 > > +/** > > + * GRE (Generic Routing Encapsulation) tunneling packet type. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D47> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D47> > > + */ > > +#define RTE_PTYPE_TUNNEL_GRE 0x00002000 > > +/** > > + * VXLAN (Virtual eXtensible Local Area Network) tunneling packet type= . > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D17 > > + * | 'destination port'=3D4798> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D17 > > + * | 'destination port'=3D4798> > > + */ > > +#define RTE_PTYPE_TUNNEL_VXLAN 0x00003000 > > +/** > > + * NVGRE (Network Virtualization using Generic Routing Encapsulation) > > +tunneling > > + * packet type. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D47 > > + * | 'protocol type'=3D0x6558> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D47 > > + * | 'protocol type'=3D0x6558'> > > + */ > > +#define RTE_PTYPE_TUNNEL_NVGRE 0x00004000 > > +/** > > + * GENEVE (Generic Network Virtualization Encapsulation) tunneling pac= ket > type. > > + * > > + * Packet format: > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D17 > > + * | 'destination port'=3D6081> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D17 > > + * | 'destination port'=3D6081> > > + */ > > +#define RTE_PTYPE_TUNNEL_GENEVE 0x00005000 > > +/** > > + * Tunneling packet type of Teredo, VXLAN (Virtual eXtensible Local > > +Area > > + * Network) or GRE (Generic Routing Encapsulation) could be > > +recognized as this > > + * packet type, if they can not be recognized independently as of > > +hardware > > + * capability. > > + */ > > +#define RTE_PTYPE_TUNNEL_GRENAT 0x00006000 > > +/** > > + * Mask of tunneling packet types. > > + */ > > +#define RTE_PTYPE_TUNNEL_MASK 0x0000f000 > > +/** > > + * MAC (Media Access Control) packet type. > > + * It is used for inner packet type only. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D[0x800|0x86DD]> > > + */ > > +#define RTE_PTYPE_INNER_L2_MAC 0x00010000 > > +/** > > + * MAC (Media Access Control) packet type with VLAN (Virtual Local > > +Area > > + * Network) tag. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D[0x800|0x86DD], vlan=3D[1-4095]> */ > > +#define RTE_PTYPE_INNER_L2_MAC_VLAN 0x00020000 > > +/** > > + * Mask of inner layer 2 packet types. > > + */ > > +#define RTE_PTYPE_INNER_L2_MASK 0x000f0000 > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for inner packet only, and does not contain any header o= ption. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D5> > > + */ > > +#define RTE_PTYPE_INNER_L3_IPV4 0x00100000 > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for inner packet only, and contains header options. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D[6-15], 'options'> */ > > +#define RTE_PTYPE_INNER_L3_IPV4_EXT 0x00200000 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for inner packet only, and does not contain any extensio= n header. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D0x3B> */ > > +#define RTE_PTYPE_INNER_L3_IPV6 0x00300000 > > +/** > > + * IP (Internet Protocol) version 4 packet type. > > + * It is used for inner packet only, and may or maynot contain header = options. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'ihl'=3D[5-15], <'options'>> */ #define > > +RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN 0x00400000 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for inner packet only, and contains extension headers. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D[0x0|0x2B|0x2C|0x32|0x33|0x3C|0x87= ], > > + * 'extension headers'> > > + */ > > +#define RTE_PTYPE_INNER_L3_IPV6_EXT 0x00500000 > > +/** > > + * IP (Internet Protocol) version 6 packet type. > > + * It is used for inner packet only, and may or maynot contain > > +extension > > + * headers. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D[0x3B|0x0|0x2B|0x2C|0x32|0x33|0x3C= |0x87], > > + * <'extension headers'>> > > + */ > > +#define RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN 0x00600000 > > +/** > > + * Mask of inner layer 3 packet types. > > + */ > > +#define RTE_PTYPE_INNER_INNER_L3_MASK 0x00f00000 > > +/** > > + * TCP (Transmission Control Protocol) packet type. > > + * It is used for inner packet only. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D6, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D6> > > + */ > > +#define RTE_PTYPE_INNER_L4_TCP 0x01000000 > > +/** > > + * UDP (User Datagram Protocol) packet type. > > + * It is used for inner packet only. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D17, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D17> > > + */ > > +#define RTE_PTYPE_INNER_L4_UDP 0x02000000 > > +/** > > + * Fragmented IP (Internet Protocol) packet type. > > + * It is used for inner packet only, and may or maynot have layer 4 pa= cket. > > + * > > + * Packet format (inner only): > > + * <'ether type'=3D0x0800 > > + * | 'version'=3D4, 'MF'=3D1> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D44> > > + */ > > +#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'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D132, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D132> > > + */ > > +#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'=3D0x0800 > > + * | 'version'=3D4, 'protocol'=3D1, 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'=3D1> > > + */ > > +#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'=3D0x0800 > > + * | 'version'=3D4, 'protocol'!=3D[6|17|132|1], 'MF'=3D0> > > + * or, > > + * <'ether type'=3D0x86DD > > + * | 'version'=3D6, 'next header'!=3D[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 > > * > >