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All rights reserved. */ #ifndef _FC_FIP_H_ #define _FC_FIP_H_ #include /* * This version is based on: * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf * and T11 FC-BB-6 13-091v5.pdf (December 2013 VN2VN proposal) */ #define FIP_DEF_PRI 128 /* default selection priority */ #define FIP_DEF_FC_MAP 0x0efc00 /* default FCoE MAP (MAC OUI) value */ #define FIP_DEF_FKA 8000 /* default FCF keep-alive/advert period (mS) */ #define FIP_VN_KA_PERIOD 90000 /* required VN_port keep-alive period (mS) */ #define FIP_FCF_FUZZ 100 /* random time added by FCF (mS) */ /* * VN2VN proposed-standard values. */ #define FIP_VN_FC_MAP 0x0efd00 /* MAC OUI for VN2VN use */ #define FIP_VN_PROBE_WAIT 100 /* interval between VN2VN probes (ms) */ #define FIP_VN_ANN_WAIT 400 /* interval between VN2VN announcements (ms) */ #define FIP_VN_RLIM_INT 10000 /* interval between probes when rate limited */ #define FIP_VN_RLIM_COUNT 10 /* number of probes before rate limiting */ #define FIP_VN_BEACON_INT 8000 /* interval between VN2VN beacons */ #define FIP_VN_BEACON_FUZZ 100 /* random time to add to beacon period (ms) */ /* * Multicast MAC addresses. T11-adopted. */ #define FIP_ALL_FCOE_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 0 }) #define FIP_ALL_ENODE_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 1 }) #define FIP_ALL_FCF_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 2 }) #define FIP_ALL_VN2VN_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 4 }) #define FIP_ALL_P2P_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 5 }) #define FIP_VER 1 /* version for fip_header */ struct fip_header { __u8 fip_ver; /* upper 4 bits are the version */ __u8 fip_resv1; /* reserved */ __be16 fip_op; /* operation code */ __u8 fip_resv2; /* reserved */ __u8 fip_subcode; /* lower 4 bits are sub-code */ __be16 fip_dl_len; /* length of descriptors in words */ __be16 fip_flags; /* header flags */ } __attribute__((packed)); #define FIP_VER_SHIFT 4 #define FIP_VER_ENCAPS(v) ((v) << FIP_VER_SHIFT) #define FIP_VER_DECAPS(v) ((v) >> FIP_VER_SHIFT) #define FIP_BPW 4 /* bytes per word for lengths */ /* * fip_op. */ enum fip_opcode { FIP_OP_DISC = 1, /* discovery, advertisement, etc. */ FIP_OP_LS = 2, /* Link Service request or reply */ FIP_OP_CTRL = 3, /* Keep Alive / Link Reset */ FIP_OP_VLAN = 4, /* VLAN discovery */ FIP_OP_VN2VN = 5, /* VN2VN operation */ FIP_OP_VENDOR_MIN = 0xfff8, /* min vendor-specific opcode */ FIP_OP_VENDOR_MAX = 0xfffe, /* max vendor-specific opcode */ }; /* * Subcodes for FIP_OP_DISC. */ enum fip_disc_subcode { FIP_SC_SOL = 1, /* solicitation */ FIP_SC_ADV = 2, /* advertisement */ }; /* * Subcodes for FIP_OP_LS. */ enum fip_trans_subcode { FIP_SC_REQ = 1, /* request */ FIP_SC_REP = 2, /* reply */ }; /* * Subcodes for FIP_OP_RESET. */ enum fip_reset_subcode { FIP_SC_KEEP_ALIVE = 1, /* keep-alive from VN_Port */ FIP_SC_CLR_VLINK = 2, /* clear virtual link from VF_Port */ }; /* * Subcodes for FIP_OP_VLAN. */ enum fip_vlan_subcode { FIP_SC_VL_REQ = 1, /* vlan request */ FIP_SC_VL_NOTE = 2, /* vlan notification */ FIP_SC_VL_VN2VN_NOTE = 3, /* VN2VN vlan notification */ }; /* * Subcodes for FIP_OP_VN2VN. */ enum fip_vn2vn_subcode { FIP_SC_VN_PROBE_REQ = 1, /* probe request */ FIP_SC_VN_PROBE_REP = 2, /* probe reply */ FIP_SC_VN_CLAIM_NOTIFY = 3, /* claim notification */ FIP_SC_VN_CLAIM_REP = 4, /* claim response */ FIP_SC_VN_BEACON = 5, /* beacon */ }; /* * flags in header fip_flags. */ enum fip_flag { FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */ FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */ FIP_FL_FCF = 0x0020, /* originated from a controlling FCF */ FIP_FL_FDF = 0x0010, /* originated from an FDF */ FIP_FL_REC_OR_P2P = 0x0008, /* configured addr or point-to-point */ FIP_FL_AVAIL = 0x0004, /* available for FLOGI/ELP */ FIP_FL_SOL = 0x0002, /* this is a solicited message */ FIP_FL_FPORT = 0x0001, /* sent from an F port */ }; /* * Common descriptor header format. */ struct fip_desc { __u8 fip_dtype; /* type - see below */ __u8 fip_dlen; /* length - in 32-bit words */ }; enum fip_desc_type { FIP_DT_PRI = 1, /* priority for forwarder selection */ FIP_DT_MAC = 2, /* MAC address */ FIP_DT_MAP_OUI = 3, /* FC-MAP OUI */ FIP_DT_NAME = 4, /* switch name or node name */ FIP_DT_FAB = 5, /* fabric descriptor */ FIP_DT_FCOE_SIZE = 6, /* max FCoE frame size */ FIP_DT_FLOGI = 7, /* FLOGI request or response */ FIP_DT_FDISC = 8, /* FDISC request or response */ FIP_DT_LOGO = 9, /* LOGO request or response */ FIP_DT_ELP = 10, /* ELP request or response */ FIP_DT_VN_ID = 11, /* VN_Node Identifier */ FIP_DT_FKA = 12, /* advertisement keep-alive period */ FIP_DT_VENDOR = 13, /* vendor ID */ FIP_DT_VLAN = 14, /* vlan number */ FIP_DT_FC4F = 15, /* FC-4 features */ FIP_DT_LIMIT, /* max defined desc_type + 1 */ FIP_DT_NON_CRITICAL = 128, /* First non-critical descriptor */ FIP_DT_CLR_VLINKS = 128, /* Clear virtual links reason code */ FIP_DT_VENDOR_BASE = 241, /* first vendor-specific desc_type */ }; /* * FIP_DT_PRI - priority descriptor. */ struct fip_pri_desc { struct fip_desc fd_desc; __u8 fd_resvd; __u8 fd_pri; /* FCF priority: higher is better */ } __attribute__((packed)); /* * FIP_DT_MAC - MAC address descriptor. */ struct fip_mac_desc { struct fip_desc fd_desc; __u8 fd_mac[ETH_ALEN]; } __attribute__((packed)); /* * FIP_DT_MAP - descriptor. */ struct fip_map_desc { struct fip_desc fd_desc; __u8 fd_resvd[3]; __u8 fd_map[3]; } __attribute__((packed)); /* * FIP_DT_NAME descriptor. */ struct fip_wwn_desc { struct fip_desc fd_desc; __u8 fd_resvd[2]; __be64 fd_wwn; /* 64-bit WWN, unaligned */ } __attribute__((packed)); /* * FIP_DT_FAB descriptor. */ struct fip_fab_desc { struct fip_desc fd_desc; __be16 fd_vfid; /* virtual fabric ID */ __u8 fd_resvd; __u8 fd_map[3]; /* FC-MAP value */ __be64 fd_wwn; /* fabric name, unaligned */ } __attribute__((packed)); /* * FIP_DT_FCOE_SIZE descriptor. */ struct fip_size_desc { struct fip_desc fd_desc; __be16 fd_size; } __attribute__((packed)); /* * Descriptor that encapsulates an ELS or ILS frame. * The encapsulated frame immediately follows this header, without * SOF, EOF, or CRC. */ struct fip_encaps { struct fip_desc fd_desc; __u8 fd_resvd[2]; } __attribute__((packed)); /* * FIP_DT_VN_ID - VN_Node Identifier descriptor. */ struct fip_vn_desc { struct fip_desc fd_desc; __u8 fd_mac[ETH_ALEN]; __u8 fd_resvd; __u8 fd_fc_id[3]; __be64 fd_wwpn; /* port name, unaligned */ } __attribute__((packed)); /* * FIP_DT_FKA - Advertisement keep-alive period. */ struct fip_fka_desc { struct fip_desc fd_desc; __u8 fd_resvd; __u8 fd_flags; /* bit0 is fka disable flag */ __be32 fd_fka_period; /* adv./keep-alive period in mS */ } __attribute__((packed)); /* * flags for fip_fka_desc.fd_flags */ enum fip_fka_flags { FIP_FKA_ADV_D = 0x01, /* no need for FKA from ENode */ }; /* FIP_DT_FKA flags */ /* * FIP_DT_VLAN descriptor */ struct fip_vlan_desc { struct fip_desc fd_desc; __be16 fd_vlan; /* Note: highest 4 bytes are unused */ } __attribute__((packed)); /* * FIP_DT_FC4F - FC-4 features. */ struct fip_fc4_feat { struct fip_desc fd_desc; __u8 fd_resvd[2]; struct fc_ns_fts fd_fts; struct fc_ns_ff fd_ff; } __attribute__((packed)); /* * FIP_DT_VENDOR descriptor. */ struct fip_vendor_desc { struct fip_desc fd_desc; __u8 fd_resvd[2]; __u8 fd_vendor_id[8]; } __attribute__((packed)); #endif /* _FC_FIP_H_ */