0 *l4( (  fB- uƁ_I|+/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2008 Cisco Systems, Inc. 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 fr