scsi: fnic: Add headers and definitions for FDLS
Add headers and definitions for FDLS (Fabric Discovery and Login Services). Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Co-developed-by: Gian Carlo Boffa <gcboffa@cisco.com> Signed-off-by: Gian Carlo Boffa <gcboffa@cisco.com> Co-developed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Signed-off-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Co-developed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Arun Easi <aeasi@cisco.com> Co-developed-by: Karan Tilak Kumar <kartilak@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-3-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Karan Tilak Kumar
committed by
Martin K. Petersen
Martin K. Petersen
parent
e2813fc27d
commit
d859d05ceb
253
drivers/scsi/fnic/fdls_fc.h
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253
drivers/scsi/fnic/fdls_fc.h
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@@ -0,0 +1,253 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*/
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#ifndef _FDLS_FC_H_
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#define _FDLS_FC_H_
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/* This file contains the declarations for FC fabric services
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* and target discovery
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*
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* Request and Response for
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* 1. FLOGI
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* 2. PLOGI to Fabric Controller
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* 3. GPN_ID, GPN_FT
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* 4. RSCN
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* 5. PLOGI to Target
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* 6. PRLI to Target
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*/
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#include <scsi/scsi.h>
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#include <scsi/fc/fc_els.h>
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#include <uapi/scsi/fc/fc_fs.h>
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#include <uapi/scsi/fc/fc_ns.h>
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#include <uapi/scsi/fc/fc_gs.h>
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#include <uapi/linux/if_ether.h>
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#include <scsi/fc/fc_ms.h>
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#include <linux/minmax.h>
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#include <linux/if_ether.h>
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#include <scsi/fc/fc_encaps.h>
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#include <scsi/fc/fc_fcoe.h>
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#define FDLS_MIN_FRAMES (32)
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#define FDLS_MIN_FRAME_ELEM (4)
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#define FNIC_FCP_SP_RD_XRDY_DIS 0x00000002
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#define FNIC_FCP_SP_TARGET 0x00000010
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#define FNIC_FCP_SP_INITIATOR 0x00000020
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#define FNIC_FCP_SP_CONF_CMPL 0x00000080
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#define FNIC_FCP_SP_RETRY 0x00000100
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#define FNIC_FC_CONCUR_SEQS (0xFF)
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#define FNIC_FC_RO_INFO (0x1F)
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/* Little Endian */
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#define FNIC_UNASSIGNED_OXID (0xffff)
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#define FNIC_UNASSIGNED_RXID (0xffff)
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#define FNIC_ELS_REQ_FCTL (0x000029)
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#define FNIC_ELS_REP_FCTL (0x000099)
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#define FNIC_FCP_RSP_FCTL (0x000099)
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#define FNIC_REQ_ABTS_FCTL (0x000009)
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#define FNIC_FC_PH_VER_HI (0x20)
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#define FNIC_FC_PH_VER_LO (0x20)
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#define FNIC_FC_PH_VER (0x2020)
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#define FNIC_FC_B2B_CREDIT (0x0A)
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#define FNIC_FC_B2B_RDF_SZ (0x0800)
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#define FNIC_LOGI_RDF_SIZE(_logi) ((_logi).fl_csp.sp_bb_data)
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#define FNIC_LOGI_R_A_TOV(_logi) ((_logi).fl_csp.sp_r_a_tov)
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#define FNIC_LOGI_E_D_TOV(_logi) ((_logi).fl_csp.sp_e_d_tov)
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#define FNIC_LOGI_FEATURES(_logi) (be16_to_cpu((_logi).fl_csp.sp_features))
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#define FNIC_LOGI_PORT_NAME(_logi) ((_logi).fl_wwpn)
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#define FNIC_LOGI_NODE_NAME(_logi) ((_logi).fl_wwnn)
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#define FNIC_LOGI_SET_RDF_SIZE(_logi, _rdf_size) \
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(FNIC_LOGI_RDF_SIZE(_logi) = cpu_to_be16(_rdf_size))
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#define FNIC_LOGI_SET_E_D_TOV(_logi, _e_d_tov) \
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(FNIC_LOGI_E_D_TOV(_logi) = cpu_to_be32(_e_d_tov))
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#define FNIC_LOGI_SET_R_A_TOV(_logi, _r_a_tov) \
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(FNIC_LOGI_R_A_TOV(_logi) = cpu_to_be32(_r_a_tov))
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#define FNIC_STD_SET_S_ID(_fchdr, _sid) memcpy((_fchdr).fh_s_id, _sid, 3)
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#define FNIC_STD_SET_D_ID(_fchdr, _did) memcpy((_fchdr).fh_d_id, _did, 3)
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#define FNIC_STD_SET_OX_ID(_fchdr, _oxid) ((_fchdr).fh_ox_id = cpu_to_be16(_oxid))
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#define FNIC_STD_SET_RX_ID(_fchdr, _rxid) ((_fchdr).fh_rx_id = cpu_to_be16(_rxid))
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#define FNIC_STD_SET_R_CTL(_fchdr, _rctl) ((_fchdr).fh_r_ctl = _rctl)
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#define FNIC_STD_SET_TYPE(_fchdr, _type) ((_fchdr).fh_type = _type)
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#define FNIC_STD_SET_F_CTL(_fchdr, _fctl) \
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put_unaligned_be24(_fctl, &((_fchdr).fh_f_ctl))
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#define FNIC_STD_SET_NPORT_NAME(_ptr, _wwpn) put_unaligned_be64(_wwpn, _ptr)
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#define FNIC_STD_SET_NODE_NAME(_ptr, _wwnn) put_unaligned_be64(_wwnn, _ptr)
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#define FNIC_STD_SET_PORT_ID(__req, __portid) \
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memcpy(__req.fr_fid.fp_fid, __portid, 3)
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#define FNIC_STD_SET_PORT_NAME(_req, _pName) \
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(put_unaligned_be64(_pName, &_req.fr_wwn))
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#define FNIC_STD_GET_OX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_ox_id))
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#define FNIC_STD_GET_RX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_rx_id))
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#define FNIC_STD_GET_S_ID(_fchdr) ((_fchdr)->fh_s_id)
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#define FNIC_STD_GET_D_ID(_fchdr) ((_fchdr)->fh_d_id)
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#define FNIC_STD_GET_TYPE(_fchdr) ((_fchdr)->fh_type)
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#define FNIC_STD_GET_F_CTL(_fchdr) ((_fchdr)->fh_f_ctl)
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#define FNIC_STD_GET_R_CTL(_fchdr) ((_fchdr)->fh_r_ctl)
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#define FNIC_STD_GET_FC_CT_CMD(__fcct_hdr) (be16_to_cpu(__fcct_hdr->ct_cmd))
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#define FNIC_FCOE_MAX_FRAME_SZ (2048)
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#define FNIC_FCOE_MIN_FRAME_SZ (280)
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#define FNIC_FC_MAX_PAYLOAD_LEN (2048)
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#define FNIC_MIN_DATA_FIELD_SIZE (256)
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#define FNIC_FC_EDTOV_NSEC (0x400)
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#define FNIC_NSEC_TO_MSEC (0x1000000)
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#define FCP_PRLI_FUNC_TARGET (0x0010)
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#define FNIC_FC_R_CTL_SOLICITED_DATA (0x21)
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#define FNIC_FC_F_CTL_LAST_END_SEQ (0x98)
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#define FNIC_FC_F_CTL_LAST_END_SEQ_INT (0x99)
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#define FNIC_FC_F_CTL_FIRST_LAST_SEQINIT (0x29)
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#define FNIC_FC_R_CTL_FC4_SCTL (0x03)
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#define FNIC_FC_CS_CTL (0x00)
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#define FNIC_FC_FRAME_UNSOLICITED(_fchdr) \
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(_fchdr->fh_r_ctl == FC_RCTL_ELS_REQ)
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#define FNIC_FC_FRAME_SOLICITED_DATA(_fchdr) \
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(_fchdr->fh_r_ctl == FNIC_FC_R_CTL_SOLICITED_DATA)
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#define FNIC_FC_FRAME_SOLICITED_CTRL_REPLY(_fchdr) \
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(_fchdr->fh_r_ctl == FC_RCTL_ELS_REP)
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#define FNIC_FC_FRAME_FCTL_LAST_END_SEQ(_fchdr) \
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(_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ)
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#define FNIC_FC_FRAME_FCTL_LAST_END_SEQ_INT(_fchdr) \
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(_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ_INT)
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#define FNIC_FC_FRAME_FCTL_FIRST_LAST_SEQINIT(_fchdr) \
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(_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_FIRST_LAST_SEQINIT)
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#define FNIC_FC_FRAME_FC4_SCTL(_fchdr) \
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(_fchdr->fh_r_ctl == FNIC_FC_R_CTL_FC4_SCTL)
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#define FNIC_FC_FRAME_TYPE_BLS(_fchdr) (_fchdr->fh_type == FC_TYPE_BLS)
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#define FNIC_FC_FRAME_TYPE_ELS(_fchdr) (_fchdr->fh_type == FC_TYPE_ELS)
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#define FNIC_FC_FRAME_TYPE_FC_GS(_fchdr) (_fchdr->fh_type == FC_TYPE_CT)
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#define FNIC_FC_FRAME_CS_CTL(_fchdr) (_fchdr->fh_cs_ctl == FNIC_FC_CS_CTL)
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#define FNIC_FC_C3_RDF (0xfff)
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#define FNIC_FC_PLOGI_RSP_RDF(_plogi_rsp) \
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(min(_plogi_rsp->u.csp_plogi.b2b_rdf_size, \
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(_plogi_rsp->spc3[4] & FNIC_FC_C3_RDF)))
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#define FNIC_FC_PLOGI_RSP_CONCUR_SEQ(_plogi_rsp) \
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(min((uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_csp.sp_tot_seq)), \
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(uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_cssp[2].cp_con_seq) & 0xff)))
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/* FLOGI/PLOGI struct */
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struct fc_std_flogi {
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struct fc_frame_header fchdr;
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struct fc_els_flogi els;
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} __packed;
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struct fc_std_els_acc_rsp {
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struct fc_frame_header fchdr;
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struct fc_els_ls_acc acc;
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} __packed;
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struct fc_std_els_rjt_rsp {
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struct fc_frame_header fchdr;
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struct fc_els_ls_rjt rej;
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} __packed;
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struct fc_std_els_adisc {
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struct fc_frame_header fchdr;
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struct fc_els_adisc els;
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} __packed;
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struct fc_std_rls_acc {
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struct fc_frame_header fchdr;
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struct fc_els_rls_resp els;
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} __packed;
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struct fc_std_abts_ba_acc {
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struct fc_frame_header fchdr;
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struct fc_ba_acc acc;
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} __packed;
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struct fc_std_abts_ba_rjt {
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struct fc_frame_header fchdr;
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struct fc_ba_rjt rjt;
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} __packed;
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struct fc_std_els_prli {
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struct fc_frame_header fchdr;
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struct fc_els_prli els_prli;
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struct fc_els_spp sp;
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} __packed;
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struct fc_std_rpn_id {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_ns_rn_id rpn_id;
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} __packed;
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struct fc_std_fdmi_rhba {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_fdmi_rhba rhba;
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} __packed;
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struct fc_std_fdmi_rpa {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_fdmi_rpa rpa;
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} __packed;
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struct fc_std_rft_id {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_ns_rft_id rft_id;
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} __packed;
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struct fc_std_rff_id {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_ns_rff_id rff_id;
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} __packed;
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struct fc_std_gpn_ft {
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struct fc_frame_header fchdr;
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struct fc_ct_hdr fc_std_ct_hdr;
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struct fc_ns_gid_ft gpn_ft;
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} __packed;
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/* Accept CT_IU for GPN_FT */
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struct fc_gpn_ft_rsp_iu {
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uint8_t ctrl;
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uint8_t fcid[3];
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uint32_t rsvd;
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__be64 wwpn;
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} __packed;
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struct fc_std_rls {
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struct fc_frame_header fchdr;
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struct fc_els_rls els;
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} __packed;
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struct fc_std_scr {
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struct fc_frame_header fchdr;
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struct fc_els_scr scr;
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} __packed;
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struct fc_std_rscn {
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struct fc_frame_header fchdr;
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struct fc_els_rscn els;
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} __packed;
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struct fc_std_logo {
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struct fc_frame_header fchdr;
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struct fc_els_logo els;
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} __packed;
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#define FNIC_ETH_FCOE_HDRS_OFFSET \
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(sizeof(struct ethhdr) + sizeof(struct fcoe_hdr))
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#endif /* _FDLS_FC_H */
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433
drivers/scsi/fnic/fnic_fdls.h
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433
drivers/scsi/fnic/fnic_fdls.h
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@@ -0,0 +1,433 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*/
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#ifndef _FNIC_FDLS_H_
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#define _FNIC_FDLS_H_
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#include "fnic_stats.h"
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#include "fdls_fc.h"
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/* FDLS - Fabric discovery and login services
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* -> VLAN discovery
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* -> retry every retry delay seconds until it succeeds.
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* <- List of VLANs
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*
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* -> Solicitation
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* <- Solicitation response (Advertisement)
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*
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* -> FCF selection & FLOGI ( FLOGI timeout - 2 * E_D_TOV)
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* <- FLOGI response
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*
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* -> FCF keep alive
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* <- FCF keep alive
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*
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* -> PLOGI to FFFFFC (DNS) (PLOGI timeout - 2 * R_A_TOV)
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* -> ABTS if timeout (ABTS tomeout - 2 * R_A_TOV)
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* <- PLOGI response
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* -> Retry PLOGI to FFFFFC (DNS) - Number of retries from vnic.cfg
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*
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* -> SCR to FFFFFC (DNS) (SCR timeout - 2 * R_A_TOV)
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* -> ABTS if timeout (ABTS tomeout - 2 * R_A_TOV)
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* <- SCR response
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* -> Retry SCR - Number of retries 2
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*
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* -> GPN_FT to FFFFFC (GPN_FT timeout - 2 * R_A_TOV)a
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* -> Retry on BUSY until it succeeds
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* -> Retry on BUSY until it succeeds
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* -> 2 retries on timeout
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*
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* -> RFT_ID to FFFFFC (DNS) (RFT_ID timeout - 3 * R_A_TOV)
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* -> ABTS if timeout (ABTS tomeout - 2 * R_A_TOV)
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* -> Retry RFT_ID to FFFFFC (DNS) (Number of retries 2 )
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* -> Ignore if both retires fail.
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*
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* Session establishment with targets
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* For each PWWN
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* -> PLOGI to FCID of that PWWN (PLOGI timeout 2 * R_A_TOV)
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* -> ABTS if timeout (ABTS tomeout - 2 * R_A_TOV)
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* <- PLOGI response
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* -> Retry PLOGI. Num retries using vnic.cfg
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*
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* -> PRLI to FCID of that PWWN (PRLI timeout 2 * R_A_TOV)
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* -> ABTS if timeout (ABTS tomeout - 2 * R_A_TOV)
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* <- PRLI response
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* -> Retry PRLI. Num retries using vnic.cfg
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*
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*/
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#define FDLS_RETRY_COUNT 2
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/*
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* OXID encoding:
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* bits 0-8: oxid idx - allocated from poool
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* bits 9-13: oxid frame code from fnic_oxid_frame_type_e
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* bits 14-15: all zeros
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*/
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#define FNIC_OXID_POOL_SZ (512) /* always power of 2 */
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#define FNIC_OXID_ENCODE(idx, frame_type) (frame_type | idx)
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#define FNIC_FRAME_MASK 0xFE00
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#define FNIC_FRAME_TYPE(oxid) (oxid & FNIC_FRAME_MASK)
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#define FNIC_OXID_IDX(oxid) ((oxid) & (FNIC_OXID_POOL_SZ - 1))
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#define OXID_RECLAIM_TOV(iport) (2 * iport->r_a_tov) /* in milliseconds */
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#define FNIC_FDLS_FABRIC_ABORT_ISSUED 0x1
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#define FNIC_FDLS_FPMA_LEARNT 0x2
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/* tport flags */
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#define FNIC_FDLS_TPORT_IN_GPN_FT_LIST 0x1
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#define FNIC_FDLS_TGT_ABORT_ISSUED 0x2
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#define FNIC_FDLS_TPORT_SEND_ADISC 0x4
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#define FNIC_FDLS_RETRY_FRAME 0x8
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#define FNIC_FDLS_TPORT_BUSY 0x10
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#define FNIC_FDLS_TPORT_TERMINATING 0x20
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#define FNIC_FDLS_TPORT_DELETED 0x40
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#define FNIC_FDLS_SCSI_REGISTERED 0x200
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/* Retry supported by rport(returned by prli service parameters) */
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#define FDLS_FC_RP_FLAGS_RETRY 0x1
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#define fdls_set_state(_fdls_fabric, _state) ((_fdls_fabric)->state = _state)
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#define fdls_get_state(_fdls_fabric) ((_fdls_fabric)->state)
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#define FNIC_FDMI_ACTIVE 0x8
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#define FNIC_FIRST_LINK_UP 0x2
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|
||||
#define fdls_set_tport_state(_tport, _state) (_tport->state = _state)
|
||||
#define fdls_get_tport_state(_tport) (_tport->state)
|
||||
|
||||
#define FNIC_PORTSPEED_10GBIT 1
|
||||
#define FNIC_FRAME_HT_ROOM (2148)
|
||||
#define FNIC_FCOE_FRAME_MAXSZ (2112)
|
||||
|
||||
|
||||
#define FNIC_FRAME_TYPE_FABRIC_FLOGI 0x1000
|
||||
#define FNIC_FRAME_TYPE_FABRIC_PLOGI 0x1200
|
||||
#define FNIC_FRAME_TYPE_FABRIC_RPN 0x1400
|
||||
#define FNIC_FRAME_TYPE_FABRIC_RFT 0x1600
|
||||
#define FNIC_FRAME_TYPE_FABRIC_RFF 0x1800
|
||||
#define FNIC_FRAME_TYPE_FABRIC_SCR 0x1A00
|
||||
#define FNIC_FRAME_TYPE_FABRIC_GPN_FT 0x1C00
|
||||
#define FNIC_FRAME_TYPE_FABRIC_LOGO 0x1E00
|
||||
#define FNIC_FRAME_TYPE_FDMI_PLOGI 0x2000
|
||||
#define FNIC_FRAME_TYPE_FDMI_RHBA 0x2200
|
||||
#define FNIC_FRAME_TYPE_FDMI_RPA 0x2400
|
||||
#define FNIC_FRAME_TYPE_TGT_PLOGI 0x2600
|
||||
#define FNIC_FRAME_TYPE_TGT_PRLI 0x2800
|
||||
#define FNIC_FRAME_TYPE_TGT_ADISC 0x2A00
|
||||
#define FNIC_FRAME_TYPE_TGT_LOGO 0x2C00
|
||||
|
||||
struct fnic_fip_fcf_s {
|
||||
uint16_t vlan_id;
|
||||
uint8_t fcf_mac[6];
|
||||
uint8_t fcf_priority;
|
||||
uint32_t fka_adv_period;
|
||||
uint8_t ka_disabled;
|
||||
};
|
||||
|
||||
enum fnic_fdls_state_e {
|
||||
FDLS_STATE_INIT = 0,
|
||||
FDLS_STATE_LINKDOWN,
|
||||
FDLS_STATE_FABRIC_LOGO,
|
||||
FDLS_STATE_FLOGO_DONE,
|
||||
FDLS_STATE_FABRIC_FLOGI,
|
||||
FDLS_STATE_FABRIC_PLOGI,
|
||||
FDLS_STATE_RPN_ID,
|
||||
FDLS_STATE_REGISTER_FC4_TYPES,
|
||||
FDLS_STATE_REGISTER_FC4_FEATURES,
|
||||
FDLS_STATE_SCR,
|
||||
FDLS_STATE_GPN_FT,
|
||||
FDLS_STATE_TGT_DISCOVERY,
|
||||
FDLS_STATE_RSCN_GPN_FT,
|
||||
FDLS_STATE_SEND_GPNFT
|
||||
};
|
||||
|
||||
struct fnic_fdls_fabric_s {
|
||||
enum fnic_fdls_state_e state;
|
||||
uint32_t flags;
|
||||
struct list_head tport_list; /* List of discovered tports */
|
||||
struct timer_list retry_timer;
|
||||
int del_timer_inprogress;
|
||||
int del_fdmi_timer_inprogress;
|
||||
int retry_counter;
|
||||
int timer_pending;
|
||||
int fdmi_retry;
|
||||
struct timer_list fdmi_timer;
|
||||
int fdmi_pending;
|
||||
};
|
||||
|
||||
struct fnic_fdls_fip_s {
|
||||
uint32_t state;
|
||||
uint32_t flogi_retry;
|
||||
};
|
||||
|
||||
/* Message to tport_event_handler */
|
||||
enum fnic_tgt_msg_id {
|
||||
TGT_EV_NONE = 0,
|
||||
TGT_EV_RPORT_ADD,
|
||||
TGT_EV_RPORT_DEL,
|
||||
TGT_EV_TPORT_DELETE,
|
||||
TGT_EV_REMOVE
|
||||
};
|
||||
|
||||
struct fnic_tport_event_s {
|
||||
struct list_head links;
|
||||
enum fnic_tgt_msg_id event;
|
||||
void *arg1;
|
||||
};
|
||||
|
||||
enum fdls_tgt_state_e {
|
||||
FDLS_TGT_STATE_INIT = 0,
|
||||
FDLS_TGT_STATE_PLOGI,
|
||||
FDLS_TGT_STATE_PRLI,
|
||||
FDLS_TGT_STATE_READY,
|
||||
FDLS_TGT_STATE_LOGO_RECEIVED,
|
||||
FDLS_TGT_STATE_ADISC,
|
||||
FDL_TGT_STATE_PLOGO,
|
||||
FDLS_TGT_STATE_OFFLINING,
|
||||
FDLS_TGT_STATE_OFFLINE
|
||||
};
|
||||
|
||||
struct fnic_tport_s {
|
||||
struct list_head links; /* To link the tports */
|
||||
enum fdls_tgt_state_e state;
|
||||
uint32_t flags;
|
||||
uint32_t fcid;
|
||||
uint64_t wwpn;
|
||||
uint64_t wwnn;
|
||||
uint16_t active_oxid;
|
||||
uint16_t tgt_flags;
|
||||
atomic_t in_flight; /* io counter */
|
||||
uint16_t max_payload_size;
|
||||
uint16_t r_a_tov;
|
||||
uint16_t e_d_tov;
|
||||
uint16_t lun0_delay;
|
||||
int max_concur_seqs;
|
||||
uint32_t fcp_csp;
|
||||
struct timer_list retry_timer;
|
||||
int del_timer_inprogress;
|
||||
int retry_counter;
|
||||
int timer_pending;
|
||||
unsigned int num_pending_cmds;
|
||||
int nexus_restart_count;
|
||||
int exch_reset_in_progress;
|
||||
void *iport;
|
||||
struct work_struct tport_del_work;
|
||||
struct completion *tport_del_done;
|
||||
struct fc_rport *rport;
|
||||
char str_wwpn[20];
|
||||
char str_wwnn[20];
|
||||
};
|
||||
|
||||
/* OXID pool related structures */
|
||||
struct reclaim_entry_s {
|
||||
struct list_head links;
|
||||
/* oxid that needs to be freed after 2*r_a_tov */
|
||||
uint16_t oxid_idx;
|
||||
/* in jiffies. Use this to waiting time */
|
||||
unsigned long expires;
|
||||
unsigned long *bitmap;
|
||||
};
|
||||
|
||||
/* used for allocating oxids for fabric and fdmi requests */
|
||||
struct fnic_oxid_pool_s {
|
||||
DECLARE_BITMAP(bitmap, FNIC_OXID_POOL_SZ);
|
||||
int sz; /* size of the pool or block */
|
||||
int next_idx; /* used for cycling through the oxid pool */
|
||||
|
||||
/* retry schedule free */
|
||||
DECLARE_BITMAP(pending_schedule_free, FNIC_OXID_POOL_SZ);
|
||||
struct delayed_work schedule_oxid_free_retry;
|
||||
|
||||
/* List of oxids that need to be freed and reclaimed.
|
||||
* This list is shared by all the oxid pools
|
||||
*/
|
||||
struct list_head oxid_reclaim_list;
|
||||
/* Work associated with reclaim list */
|
||||
struct delayed_work oxid_reclaim_work;
|
||||
};
|
||||
|
||||
/* iport */
|
||||
enum fnic_iport_state_e {
|
||||
FNIC_IPORT_STATE_INIT = 0,
|
||||
FNIC_IPORT_STATE_LINK_WAIT,
|
||||
FNIC_IPORT_STATE_FIP,
|
||||
FNIC_IPORT_STATE_FABRIC_DISC,
|
||||
FNIC_IPORT_STATE_READY
|
||||
};
|
||||
|
||||
struct fnic_iport_s {
|
||||
enum fnic_iport_state_e state;
|
||||
struct fnic *fnic;
|
||||
uint64_t boot_time;
|
||||
uint32_t flags;
|
||||
int usefip;
|
||||
uint8_t hwmac[6]; /* HW MAC Addr */
|
||||
uint8_t fpma[6]; /* Fabric Provided MA */
|
||||
uint8_t fcfmac[6]; /* MAC addr of Fabric */
|
||||
uint16_t vlan_id;
|
||||
uint32_t fcid;
|
||||
|
||||
/* oxid pool */
|
||||
struct fnic_oxid_pool_s oxid_pool;
|
||||
|
||||
/*
|
||||
* fabric reqs are serialized and only one req at a time.
|
||||
* Tracking the oxid for sending abort
|
||||
*/
|
||||
uint16_t active_oxid_fabric_req;
|
||||
/* fdmi only */
|
||||
uint16_t active_oxid_fdmi_plogi;
|
||||
uint16_t active_oxid_fdmi_rhba;
|
||||
uint16_t active_oxid_fdmi_rpa;
|
||||
|
||||
struct fnic_fip_fcf_s selected_fcf;
|
||||
struct fnic_fdls_fip_s fip;
|
||||
struct fnic_fdls_fabric_s fabric;
|
||||
struct list_head tport_list;
|
||||
struct list_head tport_list_pending_del;
|
||||
/* list of tports for which we are yet to send PLOGO */
|
||||
struct list_head inprocess_tport_list;
|
||||
struct list_head deleted_tport_list;
|
||||
struct work_struct tport_event_work;
|
||||
uint32_t e_d_tov; /* msec */
|
||||
uint32_t r_a_tov; /* msec */
|
||||
uint32_t link_supported_speeds;
|
||||
uint32_t max_flogi_retries;
|
||||
uint32_t max_plogi_retries;
|
||||
uint32_t plogi_timeout;
|
||||
uint32_t service_params;
|
||||
uint64_t wwpn;
|
||||
uint64_t wwnn;
|
||||
uint16_t max_payload_size;
|
||||
spinlock_t deleted_tport_lst_lock;
|
||||
struct completion *flogi_reg_done;
|
||||
char str_wwpn[20];
|
||||
char str_wwnn[20];
|
||||
};
|
||||
struct rport_dd_data_s {
|
||||
struct fnic_tport_s *tport;
|
||||
struct fnic_iport_s *iport;
|
||||
};
|
||||
|
||||
enum fnic_recv_frame_type_e {
|
||||
FNIC_FABRIC_FLOGI_RSP = 1,
|
||||
FNIC_FABRIC_PLOGI_RSP,
|
||||
FNIC_FABRIC_RPN_RSP,
|
||||
FNIC_FABRIC_RFT_RSP,
|
||||
FNIC_FABRIC_RFF_RSP,
|
||||
FNIC_FABRIC_SCR_RSP,
|
||||
FNIC_FABRIC_GPN_FT_RSP,
|
||||
FNIC_FABRIC_BLS_ABTS_RSP,
|
||||
FNIC_FDMI_PLOGI_RSP,
|
||||
FNIC_FDMI_REG_HBA_RSP,
|
||||
FNIC_FDMI_RPA_RSP,
|
||||
FNIC_FDMI_BLS_ABTS_RSP,
|
||||
FNIC_FABRIC_LOGO_RSP,
|
||||
|
||||
/* responses to target requests */
|
||||
FNIC_TPORT_PLOGI_RSP,
|
||||
FNIC_TPORT_PRLI_RSP,
|
||||
FNIC_TPORT_ADISC_RSP,
|
||||
FNIC_TPORT_BLS_ABTS_RSP,
|
||||
FNIC_TPORT_LOGO_RSP,
|
||||
|
||||
/* unsolicited requests */
|
||||
FNIC_BLS_ABTS_REQ,
|
||||
FNIC_ELS_PLOGI_REQ,
|
||||
FNIC_ELS_RSCN_REQ,
|
||||
FNIC_ELS_LOGO_REQ,
|
||||
FNIC_ELS_ECHO_REQ,
|
||||
FNIC_ELS_ADISC,
|
||||
FNIC_ELS_RLS,
|
||||
FNIC_ELS_RRQ,
|
||||
FNIC_ELS_UNSUPPORTED_REQ,
|
||||
};
|
||||
|
||||
enum fnic_port_speeds {
|
||||
DCEM_PORTSPEED_NONE = 0,
|
||||
DCEM_PORTSPEED_1G = 1000,
|
||||
DCEM_PORTSPEED_2G = 2000,
|
||||
DCEM_PORTSPEED_4G = 4000,
|
||||
DCEM_PORTSPEED_8G = 8000,
|
||||
DCEM_PORTSPEED_10G = 10000,
|
||||
DCEM_PORTSPEED_16G = 16000,
|
||||
DCEM_PORTSPEED_20G = 20000,
|
||||
DCEM_PORTSPEED_25G = 25000,
|
||||
DCEM_PORTSPEED_32G = 32000,
|
||||
DCEM_PORTSPEED_40G = 40000,
|
||||
DCEM_PORTSPEED_4x10G = 41000,
|
||||
DCEM_PORTSPEED_50G = 50000,
|
||||
DCEM_PORTSPEED_64G = 64000,
|
||||
DCEM_PORTSPEED_100G = 100000,
|
||||
DCEM_PORTSPEED_128G = 128000,
|
||||
};
|
||||
|
||||
/* Function Declarations */
|
||||
/* fdls_disc.c */
|
||||
void fnic_fdls_disc_init(struct fnic_iport_s *iport);
|
||||
void fnic_fdls_disc_start(struct fnic_iport_s *iport);
|
||||
void fnic_fdls_recv_frame(struct fnic_iport_s *iport, void *rx_frame,
|
||||
int len, int fchdr_offset);
|
||||
void fnic_fdls_link_down(struct fnic_iport_s *iport);
|
||||
int fdls_init_frame_pool(struct fnic_iport_s *iport);
|
||||
uint8_t *fdls_alloc_frame(struct fnic_iport_s *iport);
|
||||
uint16_t fdls_alloc_oxid(struct fnic_iport_s *iport, int oxid_frame_type,
|
||||
uint16_t *active_oxid);
|
||||
void fdls_free_oxid(struct fnic_iport_s *iport,
|
||||
uint16_t oxid, uint16_t *active_oxid);
|
||||
void fdls_tgt_logout(struct fnic_iport_s *iport,
|
||||
struct fnic_tport_s *tport);
|
||||
void fnic_del_fabric_timer_sync(struct fnic *fnic);
|
||||
void fnic_del_tport_timer_sync(struct fnic *fnic,
|
||||
struct fnic_tport_s *tport);
|
||||
void fdls_send_fabric_logo(struct fnic_iport_s *iport);
|
||||
int fnic_fdls_validate_and_get_frame_type(struct fnic_iport_s *iport,
|
||||
struct fc_frame_header *fchdr);
|
||||
void fdls_send_tport_abts(struct fnic_iport_s *iport,
|
||||
struct fnic_tport_s *tport);
|
||||
bool fdls_delete_tport(struct fnic_iport_s *iport,
|
||||
struct fnic_tport_s *tport);
|
||||
void fdls_fdmi_timer_callback(struct timer_list *t);
|
||||
|
||||
/* fnic_fcs.c */
|
||||
void fnic_fdls_init(struct fnic *fnic, int usefip);
|
||||
void fnic_send_fcoe_frame(struct fnic_iport_s *iport, void *frame,
|
||||
int frame_size);
|
||||
void fnic_fcoe_send_vlan_req(struct fnic *fnic);
|
||||
int fnic_send_fip_frame(struct fnic_iport_s *iport,
|
||||
void *frame, int frame_size);
|
||||
void fnic_fdls_learn_fcoe_macs(struct fnic_iport_s *iport, void *rx_frame,
|
||||
uint8_t *fcid);
|
||||
|
||||
void fnic_fdls_add_tport(struct fnic_iport_s *iport,
|
||||
struct fnic_tport_s *tport, unsigned long flags);
|
||||
void fnic_fdls_remove_tport(struct fnic_iport_s *iport,
|
||||
struct fnic_tport_s *tport,
|
||||
unsigned long flags);
|
||||
|
||||
/* fip.c */
|
||||
void fnic_fcoe_send_vlan_req(struct fnic *fnic);
|
||||
void fnic_common_fip_cleanup(struct fnic *fnic);
|
||||
int fdls_fip_recv_frame(struct fnic *fnic, void *frame);
|
||||
void fnic_handle_fcs_ka_timer(struct timer_list *t);
|
||||
void fnic_handle_enode_ka_timer(struct timer_list *t);
|
||||
void fnic_handle_vn_ka_timer(struct timer_list *t);
|
||||
void fnic_handle_fip_timer(struct timer_list *t);
|
||||
extern void fdls_fabric_timer_callback(struct timer_list *t);
|
||||
|
||||
/* fnic_scsi.c */
|
||||
void fnic_scsi_fcpio_reset(struct fnic *fnic);
|
||||
extern void fdls_fabric_timer_callback(struct timer_list *t);
|
||||
void fnic_rport_exch_reset(struct fnic *fnic, u32 fcid);
|
||||
int fnic_fdls_register_portid(struct fnic_iport_s *iport, u32 port_id,
|
||||
void *fp);
|
||||
struct fnic_tport_s *fnic_find_tport_by_fcid(struct fnic_iport_s *iport,
|
||||
uint32_t fcid);
|
||||
struct fnic_tport_s *fnic_find_tport_by_wwpn(struct fnic_iport_s *iport,
|
||||
uint64_t wwpn);
|
||||
|
||||
#endif /* _FNIC_FDLS_H_ */
|
||||
Reference in New Issue
Block a user