std.os.linux: add constants for ETH

Author: dacheng-gao

lib/std/os/linux.zig

@@ -4212,6 +4212,239 @@ pub const IPV6 = struct {
     pub const FREEBIND = 78;
 };
 
+pub const ETH = struct {
+    // IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
+    // and FCS/CRC (frame check sequence).
+
+    /// Octets in one ethernet addr
+    pub const ALEN = 6;
+    /// Octets in ethernet type field
+    pub const TLEN = 2;
+    /// Total octets in header
+    pub const HLEN = 14;
+    /// Min. octets in frame sans FC
+    pub const ZLEN = 60;
+    /// Max. octets in payload
+    pub const DATA_LEN = 1500;
+    /// Max. octets in frame sans FCS
+    pub const FRAME_LEN = 1514;
+    /// Octets in the FCS
+    pub const FCS_LEN = 4;
+
+    /// Min IPv4 MTU per RFC791
+    pub const MIN_MTU = 68;
+    /// 65535, same as IP_MAX_MTU
+    pub const MAX_MTU = 0xFFFF;
+
+    // These are the defined Ethernet Protocol ID's.
+
+    /// Ethernet Loopback packet
+    pub const P_LOOP = 0x0060;
+    /// Xerox PUP packet
+    pub const P_PUP = 0x0200;
+    /// Xerox PUP Addr Trans packet
+    pub const P_PUPAT = 0x0201;
+    /// TSN (IEEE 1722) packet
+    pub const P_TSN = 0x22F0;
+    /// ERSPAN version 2 (type III)
+    pub const P_ERSPAN2 = 0x22EB;
+    /// Internet Protocol packet
+    pub const P_IP = 0x0800;
+    /// CCITT X.25
+    pub const P_X25 = 0x0805;
+    /// Address Resolution packet
+    pub const P_ARP = 0x0806;
+    /// G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_BPQ = 0x08FF;
+    /// Xerox IEEE802.3 PUP packet
+    pub const P_IEEEPUP = 0x0a00;
+    /// Xerox IEEE802.3 PUP Addr Trans packet
+    pub const P_IEEEPUPAT = 0x0a01;
+    /// B.A.T.M.A.N.-Advanced packet [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_BATMAN = 0x4305;
+    /// DEC Assigned proto
+    pub const P_DEC = 0x6000;
+    /// DEC DNA Dump/Load
+    pub const P_DNA_DL = 0x6001;
+    /// DEC DNA Remote Console
+    pub const P_DNA_RC = 0x6002;
+    /// DEC DNA Routing
+    pub const P_DNA_RT = 0x6003;
+    /// DEC LAT
+    pub const P_LAT = 0x6004;
+    /// DEC Diagnostics
+    pub const P_DIAG = 0x6005;
+    /// DEC Customer use
+    pub const P_CUST = 0x6006;
+    /// DEC Systems Comms Arch
+    pub const P_SCA = 0x6007;
+    /// Trans Ether Bridging
+    pub const P_TEB = 0x6558;
+    /// Reverse Addr Res packet
+    pub const P_RARP = 0x8035;
+    /// Appletalk DDP
+    pub const P_ATALK = 0x809B;
+    /// Appletalk AARP
+    pub const P_AARP = 0x80F3;
+    /// 802.1Q VLAN Extended Header
+    pub const P_8021Q = 0x8100;
+    /// ERSPAN type II
+    pub const P_ERSPAN = 0x88BE;
+    /// IPX over DIX
+    pub const P_IPX = 0x8137;
+    /// IPv6 over bluebook
+    pub const P_IPV6 = 0x86DD;
+    /// IEEE Pause frames. See 802.3 31B
+    pub const P_PAUSE = 0x8808;
+    /// Slow Protocol. See 802.3ad 43B
+    pub const P_SLOW = 0x8809;
+    /// Web-cache coordination protocol defined in draft-wilson-wrec-wccp-v2-00.txt
+    pub const P_WCCP = 0x883E;
+    /// MPLS Unicast traffic
+    pub const P_MPLS_UC = 0x8847;
+    /// MPLS Multicast traffic
+    pub const P_MPLS_MC = 0x8848;
+    /// MultiProtocol Over ATM
+    pub const P_ATMMPOA = 0x884c;
+    /// PPPoE discovery messages
+    pub const P_PPP_DISC = 0x8863;
+    /// PPPoE session messages
+    pub const P_PPP_SES = 0x8864;
+    /// HPNA, wlan link local tunnel
+    pub const P_LINK_CTL = 0x886c;
+    /// Frame-based ATM Transport over Ethernet
+    pub const P_ATMFATE = 0x8884;
+    /// Port Access Entity (IEEE 802.1X)
+    pub const P_PAE = 0x888E;
+    /// PROFINET
+    pub const P_PROFINET = 0x8892;
+    /// Multiple proprietary protocols
+    pub const P_REALTEK = 0x8899;
+    /// ATA over Ethernet
+    pub const P_AOE = 0x88A2;
+    /// EtherCAT
+    pub const P_ETHERCAT = 0x88A4;
+    /// 802.1ad Service VLAN
+    pub const P_8021AD = 0x88A8;
+    /// 802.1 Local Experimental 1.
+    pub const P_802_EX1 = 0x88B5;
+    /// 802.11 Preauthentication
+    pub const P_PREAUTH = 0x88C7;
+    /// TIPC
+    pub const P_TIPC = 0x88CA;
+    /// Link Layer Discovery Protocol
+    pub const P_LLDP = 0x88CC;
+    /// Media Redundancy Protocol
+    pub const P_MRP = 0x88E3;
+    /// 802.1ae MACsec
+    pub const P_MACSEC = 0x88E5;
+    /// 802.1ah Backbone Service Tag
+    pub const P_8021AH = 0x88E7;
+    /// 802.1Q MVRP
+    pub const P_MVRP = 0x88F5;
+    /// IEEE 1588 Timesync
+    pub const P_1588 = 0x88F7;
+    /// NCSI protocol
+    pub const P_NCSI = 0x88F8;
+    /// IEC 62439-3 PRP/HSRv0
+    pub const P_PRP = 0x88FB;
+    /// Connectivity Fault Management
+    pub const P_CFM = 0x8902;
+    /// Fibre Channel over Ethernet
+    pub const P_FCOE = 0x8906;
+    /// Infiniband over Ethernet
+    pub const P_IBOE = 0x8915;
+    /// TDLS
+    pub const P_TDLS = 0x890D;
+    /// FCoE Initialization Protocol
+    pub const P_FIP = 0x8914;
+    /// IEEE 802.21 Media Independent Handover Protocol
+    pub const P_80221 = 0x8917;
+    /// IEC 62439-3 HSRv1
+    pub const P_HSR = 0x892F;
+    /// Network Service Header
+    pub const P_NSH = 0x894F;
+    /// Ethernet loopback packet, per IEEE 802.3
+    pub const P_LOOPBACK = 0x9000;
+    /// deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_QINQ1 = 0x9100;
+    /// deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_QINQ2 = 0x9200;
+    /// deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_QINQ3 = 0x9300;
+    /// Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_EDSA = 0xDADA;
+    /// Fake VLAN Header for DSA [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_DSA_8021Q = 0xDADB;
+    /// A5PSW Tag Value [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_DSA_A5PSW = 0xE001;
+    /// ForCES inter-FE LFB type
+    pub const P_IFE = 0xED3E;
+    /// IBM af_iucv [ NOT AN OFFICIALLY REGISTERED ID ]
+    pub const P_AF_IUCV = 0xFBFB;
+    /// If the value in the ethernet type is more than this value then the frame is Ethernet II. Else it is 802.3
+    pub const P_802_3_MIN = 0x0600;
+
+    // Non DIX types. Won't clash for 1500 types.
+
+    /// Dummy type for 802.3 frames
+    pub const P_802_3 = 0x0001;
+    /// Dummy protocol id for AX.25
+    pub const P_AX25 = 0x0002;
+    /// Every packet (be careful!!!)
+    pub const P_ALL = 0x0003;
+    /// 802.2 frames
+    pub const P_802_2 = 0x0004;
+    /// Internal only
+    pub const P_SNAP = 0x0005;
+    /// DEC DDCMP: Internal only
+    pub const P_DDCMP = 0x0006;
+    /// Dummy type for WAN PPP frames
+    pub const P_WAN_PPP = 0x0007;
+    /// Dummy type for PPP MP frames
+    pub const P_PPP_MP = 0x0008;
+    /// Localtalk pseudo type
+    pub const P_LOCALTALK = 0x0009;
+    /// CAN: Controller Area Network
+    pub const P_CAN = 0x000C;
+    /// CANFD: CAN flexible data rate
+    pub const P_CANFD = 0x000D;
+    /// CANXL: eXtended frame Length
+    pub const P_CANXL = 0x000E;
+    /// Dummy type for Atalk over PPP
+    pub const P_PPPTALK = 0x0010;
+    /// 802.2 frames
+    pub const P_TR_802_2 = 0x0011;
+    /// Mobitex ([email protected])
+    pub const P_MOBITEX = 0x0015;
+    /// Card specific control frames
+    pub const P_CONTROL = 0x0016;
+    /// Linux-IrDA
+    pub const P_IRDA = 0x0017;
+    /// Acorn Econet
+    pub const P_ECONET = 0x0018;
+    /// HDLC frames
+    pub const P_HDLC = 0x0019;
+    /// 1A for ArcNet :-)
+    pub const P_ARCNET = 0x001A;
+    /// Distributed Switch Arch.
+    pub const P_DSA = 0x001B;
+    /// Trailer switch tagging
+    pub const P_TRAILER = 0x001C;
+    /// Nokia Phonet frames
+    pub const P_PHONET = 0x00F5;
+    /// IEEE802.15.4 frame
+    pub const P_IEEE802154 = 0x00F6;
+    /// ST-Ericsson CAIF protocol
+    pub const P_CAIF = 0x00F7;
+    /// Multiplexed DSA protocol
+    pub const P_XDSA = 0x00F8;
+    /// Qualcomm multiplexing and aggregation protocol
+    pub const P_MAP = 0x00F9;
+    /// Management component transport protocol packets
+    pub const P_MCTP = 0x00FA;
+};
+
 pub const MSG = struct {
     pub const OOB = 0x0001;
     pub const PEEK = 0x0002;