/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2008 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. */ #ifndef _FDLS_FC_H_ #define _FDLS_FC_H_ /* This file contains the declarations for FC fabric services * and target discovery * * Request and Response for * 1. FLOGI * 2. PLOGI to Fabric Controller * 3. GPN_ID, GPN_FT * 4. RSCN * 5. PLOGI to Target * 6. PRLI to Target */ #include #include #include #include #include #include #include #include #include #include #include #define FDLS_MIN_FRAMES (32) #define FDLS_MIN_FRAME_ELEM (4) #define FNIC_FCP_SP_RD_XRDY_DIS 0x00000002 #define FNIC_FCP_SP_TARGET 0x00000010 #define FNIC_FCP_SP_INITIATOR 0x00000020 #define FNIC_FCP_SP_CONF_CMPL 0x00000080 #define FNIC_FCP_SP_RETRY 0x00000100 #define FNIC_FC_CONCUR_SEQS (0xFF) #define FNIC_FC_RO_INFO (0x1F) /* Little Endian */ #define FNIC_UNASSIGNED_OXID (0xffff) #define FNIC_UNASSIGNED_RXID (0xffff) #define FNIC_ELS_REQ_FCTL (0x000029) #define FNIC_ELS_REP_FCTL (0x000099) #define FNIC_FCP_RSP_FCTL (0x000099) #define FNIC_REQ_ABTS_FCTL (0x000009) #define FNIC_FC_PH_VER_HI (0x20) #define FNIC_FC_PH_VER_LO (0x20) #define FNIC_FC_PH_VER (0x2020) #define FNIC_FC_B2B_CREDIT (0x0A) #define FNIC_FC_B2B_RDF_SZ (0x0800) #define FNIC_LOGI_RDF_SIZE(_logi) ((_logi).fl_csp.sp_bb_data) #define FNIC_LOGI_R_A_TOV(_logi) ((_logi).fl_csp.sp_r_a_tov) #define FNIC_LOGI_E_D_TOV(_logi) ((_logi).fl_csp.sp_e_d_tov) #define FNIC_LOGI_FEATURES(_logi) (be16_to_cpu((_logi).fl_csp.sp_features)) #define FNIC_LOGI_PORT_NAME(_logi) ((_logi).fl_wwpn) #define FNIC_LOGI_NODE_NAME(_logi) ((_logi).fl_wwnn) #define FNIC_LOGI_SET_RDF_SIZE(_logi, _rdf_size) \ (FNIC_LOGI_RDF_SIZE(_logi) = cpu_to_be16(_rdf_size)) #define FNIC_LOGI_SET_E_D_TOV(_logi, _e_d_tov) \ (FNIC_LOGI_E_D_TOV(_logi) = cpu_to_be32(_e_d_tov)) #define FNIC_LOGI_SET_R_A_TOV(_logi, _r_a_tov) \ (FNIC_LOGI_R_A_TOV(_logi) = cpu_to_be32(_r_a_tov)) #define FNIC_STD_SET_S_ID(_fchdr, _sid) memcpy((_fchdr).fh_s_id, _sid, 3) #define FNIC_STD_SET_D_ID(_fchdr, _did) memcpy((_fchdr).fh_d_id, _did, 3) #define FNIC_STD_SET_OX_ID(_fchdr, _oxid) ((_fchdr).fh_ox_id = cpu_to_be16(_oxid)) #define FNIC_STD_SET_RX_ID(_fchdr, _rxid) ((_fchdr).fh_rx_id = cpu_to_be16(_rxid)) #define FNIC_STD_SET_R_CTL(_fchdr, _rctl) ((_fchdr).fh_r_ctl = _rctl) #define FNIC_STD_SET_TYPE(_fchdr, _type) ((_fchdr).fh_type = _type) #define FNIC_STD_SET_F_CTL(_fchdr, _fctl) \ put_unaligned_be24(_fctl, &((_fchdr).fh_f_ctl)) #define FNIC_STD_SET_NPORT_NAME(_ptr, _wwpn) put_unaligned_be64(_wwpn, _ptr) #define FNIC_STD_SET_NODE_NAME(_ptr, _wwnn) put_unaligned_be64(_wwnn, _ptr) #define FNIC_STD_SET_PORT_ID(__req, __portid) \ memcpy(__req.fr_fid.fp_fid, __portid, 3) #define FNIC_STD_SET_PORT_NAME(_req, _pName) \ (put_unaligned_be64(_pName, &_req.fr_wwn)) #define FNIC_STD_GET_OX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_ox_id)) #define FNIC_STD_GET_RX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_rx_id)) #define FNIC_STD_GET_S_ID(_fchdr) ((_fchdr)->fh_s_id) #define FNIC_STD_GET_D_ID(_fchdr) ((_fchdr)->fh_d_id) #define FNIC_STD_GET_TYPE(_fchdr) ((_fchdr)->fh_type) #define FNIC_STD_GET_F_CTL(_fchdr) ((_fchdr)->fh_f_ctl) #define FNIC_STD_GET_R_CTL(_fchdr) ((_fchdr)->fh_r_ctl) #define FNIC_STD_GET_FC_CT_CMD(__fcct_hdr) (be16_to_cpu(__fcct_hdr->ct_cmd)) #define FNIC_FCOE_MAX_FRAME_SZ (2048) #define FNIC_FCOE_MIN_FRAME_SZ (280) #define FNIC_FC_MAX_PAYLOAD_LEN (2048) #define FNIC_MIN_DATA_FIELD_SIZE (256) #define FNIC_FC_EDTOV_NSEC (0x400) #define FNIC_NSEC_TO_MSEC (0x1000000) #define FCP_PRLI_FUNC_TARGET (0x0010) #define FNIC_FC_R_CTL_SOLICITED_DATA (0x21) #define FNIC_FC_F_CTL_LAST_END_SEQ (0x98) #define FNIC_FC_F_CTL_LAST_END_SEQ_INT (0x99) #define FNIC_FC_F_CTL_FIRST_LAST_SEQINIT (0x29) #define FNIC_FC_R_CTL_FC4_SCTL (0x03) #define FNIC_FC_CS_CTL (0x00) #define FNIC_FC_FRAME_UNSOLICITED(_fchdr) \ (_fchdr->fh_r_ctl == FC_RCTL_ELS_REQ) #define FNIC_FC_FRAME_SOLICITED_DATA(_fchdr) \ (_fchdr->fh_r_ctl == FNIC_FC_R_CTL_SOLICITED_DATA) #define FNIC_FC_FRAME_SOLICITED_CTRL_REPLY(_fchdr) \ (_fchdr->fh_r_ctl == FC_RCTL_ELS_REP) #define FNIC_FC_FRAME_FCTL_LAST_END_SEQ(_fchdr) \ (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ) #define FNIC_FC_FRAME_FCTL_LAST_END_SEQ_INT(_fchdr) \ (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ_INT) #define FNIC_FC_FRAME_FCTL_FIRST_LAST_SEQINIT(_fchdr) \ (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_FIRST_LAST_SEQINIT) #define FNIC_FC_FRAME_FC4_SCTL(_fchdr) \ (_fchdr->fh_r_ctl == FNIC_FC_R_CTL_FC4_SCTL) #define FNIC_FC_FRAME_TYPE_BLS(_fchdr) (_fchdr->fh_type == FC_TYPE_BLS) #define FNIC_FC_FRAME_TYPE_ELS(_fchdr) (_fchdr->fh_type == FC_TYPE_ELS) #define FNIC_FC_FRAME_TYPE_FC_GS(_fchdr) (_fchdr->fh_type == FC_TYPE_CT) #define FNIC_FC_FRAME_CS_CTL(_fchdr) (_fchdr->fh_cs_ctl == FNIC_FC_CS_CTL) #define FNIC_FC_C3_RDF (0xfff) #define FNIC_FC_PLOGI_RSP_RDF(_plogi_rsp) \ (min(_plogi_rsp->u.csp_plogi.b2b_rdf_size, \ (_plogi_rsp->spc3[4] & FNIC_FC_C3_RDF))) #define FNIC_FC_PLOGI_RSP_CONCUR_SEQ(_plogi_rsp) \ (min((uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_csp.sp_tot_seq)), \ (uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_cssp[2].cp_con_seq) & 0xff))) /* FLOGI/PLOGI struct */ struct fc_std_flogi { struct fc_frame_header fchdr; struct fc_els_flogi els; } __packed; struct fc_std_els_acc_rsp { struct fc_frame_header fchdr; struct fc_els_ls_acc acc; } __packed; struct fc_std_els_rjt_rsp { struct fc_frame_header fchdr; struct fc_els_ls_rjt rej; } __packed; struct fc_std_els_adisc { struct fc_frame_header fchdr; struct fc_els_adisc els; } __packed; struct fc_std_rls_acc { struct fc_frame_header fchdr; struct fc_els_rls_resp els; } __packed; struct fc_std_abts_ba_acc { struct fc_frame_header fchdr; struct fc_ba_acc acc; } __packed; struct fc_std_abts_ba_rjt { struct fc_frame_header fchdr; struct fc_ba_rjt rjt; } __packed; struct fc_std_els_prli { struct fc_frame_header fchdr; struct fc_els_prli els_prli; struct fc_els_spp sp; } __packed; struct fc_std_rpn_id { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_ns_rn_id rpn_id; } __packed; struct fc_std_fdmi_rhba { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_fdmi_rhba rhba; } __packed; struct fc_std_fdmi_rpa { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_fdmi_rpa rpa; } __packed; struct fc_std_rft_id { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_ns_rft_id rft_id; } __packed; struct fc_std_rff_id { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_ns_rff_id rff_id; } __packed; struct fc_std_gpn_ft { struct fc_frame_header fchdr; struct fc_ct_hdr fc_std_ct_hdr; struct fc_ns_gid_ft gpn_ft; } __packed; /* Accept CT_IU for GPN_FT */ struct fc_gpn_ft_rsp_iu { uint8_t ctrl; uint8_t fcid[3]; uint32_t rsvd; __be64 wwpn; } __packed; struct fc_std_rls { struct fc_frame_header fchdr; struct fc_els_rls els; } __packed; struct fc_std_scr { struct fc_frame_header fchdr; struct fc_els_scr scr; } __packed; struct fc_std_rscn { struct fc_frame_header fchdr; struct fc_els_rscn els; } __packed; struct fc_std_logo { struct fc_frame_header fchdr; struct fc_els_logo els; } __packed; #define FNIC_ETH_FCOE_HDRS_OFFSET \ (sizeof(struct ethhdr) + sizeof(struct fcoe_hdr)) #endif /* _FDLS_FC_H */