Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754561AbZIXA5I (ORCPT ); Wed, 23 Sep 2009 20:57:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752803AbZIXA5G (ORCPT ); Wed, 23 Sep 2009 20:57:06 -0400 Received: from hq-exedge.brocade.com ([66.243.153.82]:31070 "EHLO hq-exedge.brocade.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752068AbZIXA47 (ORCPT ); Wed, 23 Sep 2009 20:56:59 -0400 Date: Wed, 23 Sep 2009 17:57:01 -0700 From: Jing Huang Message-ID: <200909240057.n8O0v18I016811@swe58.brocade.com> To: Subject: [PATCH 6/14] bfa: Brocade BFA FC SCSI driver (fcs1) CC: , , , , MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 108921 Lines: 4132 From: Jing Huang This patch contains and FC state machine code. part-1 Signed-off-by: Jing Huang --- bfa_fcs.c | 182 +++++++ bfa_fcs_lport.c | 940 ++++++++++++++++++++++++++++++++++++ bfa_fcs_port.c | 68 ++ bfa_fcs_uf.c | 105 ++++ fab.c | 62 ++ fabric.c | 1278 +++++++++++++++++++++++++++++++++++++++++++++++++ fcbuild.c | 1449 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 4084 insertions(+) diff -urpN orig/drivers/scsi/bfa/bfa_fcs.c patch/drivers/scsi/bfa/bfa_fcs.c --- orig/drivers/scsi/bfa/bfa_fcs.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfa_fcs.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs.c BFA FCS main + */ + +#include +#include "fcs_port.h" +#include "fcs_uf.h" +#include "fcs_vport.h" +#include "fcs_rport.h" +#include "fcs_fabric.h" +#include "fcs_fcpim.h" +#include "fcs_fcptm.h" +#include "fcbuild.h" +#include "fcs.h" +#include "bfad_drv.h" +#include + +/** + * FCS sub-modules + */ +struct bfa_fcs_mod_s { + void (*modinit) (struct bfa_fcs_s *fcs); + void (*modexit) (struct bfa_fcs_s *fcs); +}; + +#define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } + +static struct bfa_fcs_mod_s fcs_modules[] = { + BFA_FCS_MODULE(bfa_fcs_pport), + BFA_FCS_MODULE(bfa_fcs_uf), + BFA_FCS_MODULE(bfa_fcs_fabric), + BFA_FCS_MODULE(bfa_fcs_vport), + BFA_FCS_MODULE(bfa_fcs_rport), + BFA_FCS_MODULE(bfa_fcs_fcpim), +}; + +/** + * fcs_api BFA FCS API + */ + +static void +bfa_fcs_exit_comp(void *fcs_cbarg) +{ + struct bfa_fcs_s *fcs = fcs_cbarg; + struct bfad_s *bfad = fcs->bfad; + + complete(&bfad->comp); +} + + + +/** + * fcs_api BFA FCS API + */ + +/** + * FCS instance initialization. + * + * param[in] fcs FCS instance + * param[in] bfa BFA instance + * param[in] bfad BFA driver instance + * + * return None + */ +void +bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad, + bfa_boolean_t min_cfg) +{ + int i; + struct bfa_fcs_mod_s *mod; + + fcs->bfa = bfa; + fcs->bfad = bfad; + fcs->min_cfg = min_cfg; + + bfa_attach_fcs(bfa); + fcbuild_init(); + + for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { + mod = &fcs_modules[i]; + mod->modinit(fcs); + } +} + +/** + * Start FCS operations. + */ +void +bfa_fcs_start(struct bfa_fcs_s *fcs) +{ + bfa_fcs_fabric_modstart(fcs); +} + +/** + * FCS driver details initialization. + * + * param[in] fcs FCS instance + * param[in] driver_info Driver Details + * + * return None + */ +void +bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, + struct bfa_fcs_driver_info_s *driver_info) +{ + + fcs->driver_info = *driver_info; + + bfa_fcs_fabric_psymb_init(&fcs->fabric); +} + +/** + * FCS instance cleanup and exit. + * + * param[in] fcs FCS instance + * return None + */ +void +bfa_fcs_exit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_mod_s *mod; + int nmods, i; + + bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); + + nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]); + + for (i = 0; i < nmods; i++) { + bfa_wc_up(&fcs->wc); + + mod = &fcs_modules[i]; + mod->modexit(fcs); + } + + bfa_wc_wait(&fcs->wc); +} + + +void +bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod) +{ + fcs->trcmod = trcmod; +} + + +void +bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod) +{ + fcs->logm = logmod; +} + + +void +bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen) +{ + fcs->aen = aen; +} + +void +bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs) +{ + bfa_wc_down(&fcs->wc); +} + + diff -urpN orig/drivers/scsi/bfa/bfa_fcs_lport.c patch/drivers/scsi/bfa/bfa_fcs_lport.c --- orig/drivers/scsi/bfa/bfa_fcs_lport.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfa_fcs_lport.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,940 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_port.c BFA FCS port + */ + +#include +#include +#include +#include +#include +#include +#include "fcs.h" +#include "fcs_lport.h" +#include "fcs_vport.h" +#include "fcs_rport.h" +#include "fcs_fcxp.h" +#include "fcs_trcmod.h" +#include "lport_priv.h" +#include + +BFA_TRC_FILE(FCS, PORT); + +/** + * Forward declarations + */ + +static void bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, + enum bfa_lport_aen_event event); +static void bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, u8 reason_code, + u8 reason_code_expl); +static void bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_logi_s *plogi); +static void bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_deleted(struct bfa_fcs_port_s *port); +static void bfa_fcs_port_echo(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_echo_s *echo, u16 len); +static void bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, + struct fchs_s *rx_fchs, + struct fc_rnid_cmd_s *rnid, u16 len); +static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, + struct fc_rnid_general_topology_data_s *gen_topo_data); + +static struct { + void (*init) (struct bfa_fcs_port_s *port); + void (*online) (struct bfa_fcs_port_s *port); + void (*offline) (struct bfa_fcs_port_s *port); +} __port_action[] = { + { + bfa_fcs_port_unknown_init, bfa_fcs_port_unknown_online, + bfa_fcs_port_unknown_offline}, { + bfa_fcs_port_fab_init, bfa_fcs_port_fab_online, + bfa_fcs_port_fab_offline}, { + bfa_fcs_port_loop_init, bfa_fcs_port_loop_online, + bfa_fcs_port_loop_offline}, { +bfa_fcs_port_n2n_init, bfa_fcs_port_n2n_online, + bfa_fcs_port_n2n_offline},}; + +/** + * fcs_port_sm FCS logical port state machine + */ + +enum bfa_fcs_port_event { + BFA_FCS_PORT_SM_CREATE = 1, + BFA_FCS_PORT_SM_ONLINE = 2, + BFA_FCS_PORT_SM_OFFLINE = 3, + BFA_FCS_PORT_SM_DELETE = 4, + BFA_FCS_PORT_SM_DELRPORT = 5, +}; + +static void bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); +static void bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event); + +static void +bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_CREATE: + bfa_sm_set_state(port, bfa_fcs_port_sm_init); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_ONLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_online); + bfa_fcs_port_online_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qen; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_OFFLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_offline); + bfa_fcs_port_offline_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + + __port_action[port->fabric->fab_type].offline(port); + + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } else { + bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_delete(rport); + } + } + break; + + case BFA_FCS_PORT_SM_DELRPORT: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qen; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_ONLINE: + bfa_sm_set_state(port, bfa_fcs_port_sm_online); + bfa_fcs_port_online_actions(port); + break; + + case BFA_FCS_PORT_SM_DELETE: + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } else { + bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_delete(rport); + } + } + break; + + case BFA_FCS_PORT_SM_DELRPORT: + case BFA_FCS_PORT_SM_OFFLINE: + break; + + default: + bfa_assert(0); + } +} + +static void +bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, + enum bfa_fcs_port_event event) +{ + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case BFA_FCS_PORT_SM_DELRPORT: + if (port->num_rports == 0) { + bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); + bfa_fcs_port_deleted(port); + } + break; + + default: + bfa_assert(0); + } +} + + + +/** + * fcs_port_pvt + */ + +/** + * Send AEN notification + */ +static void +bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, + enum bfa_lport_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = port->fcs->logm; + enum bfa_port_role role = port->port_cfg.roles; + wwn_t lpwwn = bfa_fcs_port_get_pwwn(port); + char lpwwn_ptr[BFA_STRING_32]; + char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] = + { "Initiator", "Target", "IPFC" }; + + wwn2str(lpwwn_ptr, lpwwn); + + bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX); + + switch (event) { + case BFA_LPORT_AEN_ONLINE: + bfa_log(logmod, BFA_AEN_LPORT_ONLINE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_OFFLINE: + bfa_log(logmod, BFA_AEN_LPORT_OFFLINE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_NEW: + bfa_log(logmod, BFA_AEN_LPORT_NEW, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_DELETE: + bfa_log(logmod, BFA_AEN_LPORT_DELETE, lpwwn_ptr, + role_str[role / 2]); + break; + case BFA_LPORT_AEN_DISCONNECT: + bfa_log(logmod, BFA_AEN_LPORT_DISCONNECT, lpwwn_ptr, + role_str[role / 2]); + break; + default: + break; + } + + aen_data.lport.vf_id = port->fabric->vf_id; + aen_data.lport.roles = role; + aen_data.lport.ppwwn = + bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + aen_data.lport.lpwwn = lpwwn; +} + +/* + * Send a LS reject + */ +static void +bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + u8 reason_code, u8 reason_code_expl) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len; + + bfa_trc(port->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + reason_code, reason_code_expl); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/** + * Process incoming plogi from a remote port. + */ +static void +bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_logi_s *plogi) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_fchs->s_id); + + /* + * If min cfg mode is enabled, drop any incoming PLOGIs + */ + if (__fcs_min_cfg(port->fcs)) { + bfa_trc(port->fcs, rx_fchs->s_id); + return; + } + + if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) { + bfa_trc(port->fcs, rx_fchs->s_id); + /* + * send a LS reject + */ + bfa_fcs_port_send_ls_rjt(port, rx_fchs, + FC_LS_RJT_RSN_PROTOCOL_ERROR, + FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS); + return; + } + + /** +* Direct Attach P2P mode : verify address assigned by the r-port. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) + && + (memcmp + ((void *)&bfa_fcs_port_get_pwwn(port), (void *)&plogi->port_name, + sizeof(wwn_t)) < 0)) { + if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) { + /* + * Address assigned to us cannot be a WKA + */ + bfa_fcs_port_send_ls_rjt(port, rx_fchs, + FC_LS_RJT_RSN_PROTOCOL_ERROR, + FC_LS_RJT_EXP_INVALID_NPORT_ID); + return; + } + port->pid = rx_fchs->d_id; + } + + /** + * First, check if we know the device by pwwn. + */ + rport = bfa_fcs_port_get_rport_by_pwwn(port, plogi->port_name); + if (rport) { + /** + * Direct Attach P2P mode: handle address assigned by the rport. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) + && + (memcmp + ((void *)&bfa_fcs_port_get_pwwn(port), + (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { + port->pid = rx_fchs->d_id; + rport->pid = rx_fchs->s_id; + } + bfa_fcs_rport_plogi(rport, rx_fchs, plogi); + return; + } + + /** + * Next, lookup rport by PID. + */ + rport = bfa_fcs_port_get_rport_by_pid(port, rx_fchs->s_id); + if (!rport) { + /** + * Inbound PLOGI from a new device. + */ + bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); + return; + } + + /** + * Rport is known only by PID. + */ + if (rport->pwwn) { + /** + * This is a different device with the same pid. Old device + * disappeared. Send implicit LOGO to old device. + */ + bfa_assert(rport->pwwn != plogi->port_name); + bfa_fcs_rport_logo_imp(rport); + + /** + * Inbound PLOGI from a new device (with old PID). + */ + bfa_fcs_rport_plogi_create(port, rx_fchs, plogi); + return; + } + + /** + * PLOGI crossing each other. + */ + bfa_assert(rport->pwwn == WWN_NULL); + bfa_fcs_rport_plogi(rport, rx_fchs, plogi); +} + +/* + * Process incoming ECHO. + * Since it does not require a login, it is processed here. + */ +static void +bfa_fcs_port_echo(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_echo_s *echo, u16 rx_len) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len, pyld_len; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_len); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id); + + /* + * Copy the payload (if any) from the echo frame + */ + pyld_len = rx_len - sizeof(struct fchs_s); + bfa_trc(port->fcs, pyld_len); + + if (pyld_len > len) + memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) + + sizeof(struct fc_echo_s), (echo + 1), + (pyld_len - sizeof(struct fc_echo_s))); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/* + * Process incoming RNID. + * Since it does not require a login, it is processed here. + */ +static void +bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, + struct fc_rnid_cmd_s *rnid, u16 rx_len) +{ + struct fc_rnid_common_id_data_s common_id_data; + struct fc_rnid_general_topology_data_s gen_topo_data; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + u16 len; + u32 data_format; + + bfa_trc(port->fcs, rx_fchs->s_id); + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_len); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + /* + * Check Node Indentification Data Format + * We only support General Topology Discovery Format. + * For any other requested Data Formats, we return Common Node Id Data + * only, as per FC-LS. + */ + bfa_trc(port->fcs, rnid->node_id_data_format); + if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) { + data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY; + /* + * Get General topology data for this port + */ + bfa_fs_port_get_gen_topo_data(port, &gen_topo_data); + } else { + data_format = RNID_NODEID_DATA_FORMAT_COMMON; + } + + /* + * Copy the Node Id Info + */ + common_id_data.port_name = bfa_fcs_port_get_pwwn(port); + common_id_data.node_name = bfa_fcs_port_get_nwwn(port); + + len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, + bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, + data_format, &common_id_data, &gen_topo_data); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); + + return; +} + +/* + * Fill out General Topolpgy Discovery Data for RNID ELS. + */ +static void +bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, + struct fc_rnid_general_topology_data_s *gen_topo_data) +{ + + bfa_os_memset(gen_topo_data, 0, + sizeof(struct fc_rnid_general_topology_data_s)); + + gen_topo_data->asso_type = bfa_os_htonl(RNID_ASSOCIATED_TYPE_HOST); + gen_topo_data->phy_port_num = 0; /* @todo */ + gen_topo_data->num_attached_nodes = bfa_os_htonl(1); +} + +static void +bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port) +{ + bfa_trc(port->fcs, port->fabric->oper_type); + + __port_action[port->fabric->fab_type].init(port); + __port_action[port->fabric->fab_type].online(port); + + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_ONLINE); + bfa_fcb_port_online(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, (port->vport == NULL) ? + NULL : port->vport->vport_drv); +} + +static void +bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port) +{ + struct list_head *qe, *qen; + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, port->fabric->oper_type); + + __port_action[port->fabric->fab_type].offline(port); + + if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE) { + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DISCONNECT); + } else { + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_OFFLINE); + } + bfa_fcb_port_offline(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, + (port->vport == NULL) ? NULL : port->vport->vport_drv); + + list_for_each_safe(qe, qen, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + bfa_fcs_rport_offline(rport); + } +} + +static void +bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port) +{ + bfa_assert(0); +} + +static void +bfa_fcs_port_deleted(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DELETE); + + /* + * Base port will be deleted by the OS driver + */ + if (port->vport) { + bfa_fcb_port_delete(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, + port->vport ? port->vport->vport_drv : NULL); + bfa_fcs_vport_delete_comp(port->vport); + } else { + bfa_fcs_fabric_port_delete_comp(port->fabric); + } +} + + + +/** + * fcs_lport_api BFA FCS port API + */ +/** + * Module initialization + */ +void +bfa_fcs_port_modinit(struct bfa_fcs_s *fcs) +{ + +} + +/** + * Module cleanup + */ +void +bfa_fcs_port_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} + +/** + * Unsolicited frame receive handling. + */ +void +bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, + u16 len) +{ + u32 pid = fchs->s_id; + struct bfa_fcs_rport_s *rport = NULL; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_stats(lport, uf_recvs); + + if (!bfa_fcs_port_is_online(lport)) { + bfa_stats(lport, uf_recv_drops); + return; + } + + /** + * First, handle ELSs that donot require a login. + */ + /* + * Handle PLOGI first + */ + if ((fchs->type == FC_TYPE_ELS) && + (els_cmd->els_code == FC_ELS_PLOGI)) { + bfa_fcs_port_plogi(lport, fchs, (struct fc_logi_s *) els_cmd); + return; + } + + /* + * Handle ECHO separately. + */ + if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) { + bfa_fcs_port_echo(lport, fchs, + (struct fc_echo_s *) els_cmd, len); + return; + } + + /* + * Handle RNID separately. + */ + if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) { + bfa_fcs_port_rnid(lport, fchs, + (struct fc_rnid_cmd_s *) els_cmd, len); + return; + } + + /** + * look for a matching remote port ID + */ + rport = bfa_fcs_port_get_rport_by_pid(lport, pid); + if (rport) { + bfa_trc(rport->fcs, fchs->s_id); + bfa_trc(rport->fcs, fchs->d_id); + bfa_trc(rport->fcs, fchs->type); + + bfa_fcs_rport_uf_recv(rport, fchs, len); + return; + } + + /** + * Only handles ELS frames for now. + */ + if (fchs->type != FC_TYPE_ELS) { + bfa_trc(lport->fcs, fchs->type); + bfa_assert(0); + return; + } + + bfa_trc(lport->fcs, els_cmd->els_code); + if (els_cmd->els_code == FC_ELS_RSCN) { + bfa_fcs_port_scn_process_rscn(lport, fchs, len); + return; + } + + if (els_cmd->els_code == FC_ELS_LOGO) { + /** + * @todo Handle LOGO frames received. + */ + bfa_trc(lport->fcs, els_cmd->els_code); + return; + } + + if (els_cmd->els_code == FC_ELS_PRLI) { + /** + * @todo Handle PRLI frames received. + */ + bfa_trc(lport->fcs, els_cmd->els_code); + return; + } + + /** + * Unhandled ELS frames. Send a LS_RJT. + */ + bfa_fcs_port_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, + FC_LS_RJT_EXP_NO_ADDL_INFO); + +} + +/** + * PID based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_pid(struct bfa_fcs_port_s *port, u32 pid) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (rport->pid == pid) + return rport; + } + + bfa_trc(port->fcs, pid); + return NULL; +} + +/** + * PWWN based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_pwwn(struct bfa_fcs_port_s *port, wwn_t pwwn) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (wwn_is_equal(rport->pwwn, pwwn)) + return rport; + } + + bfa_trc(port->fcs, pwwn); + return (NULL); +} + +/** + * NWWN based Lookup for a R-Port in the Port R-Port Queue + */ +struct bfa_fcs_rport_s * +bfa_fcs_port_get_rport_by_nwwn(struct bfa_fcs_port_s *port, wwn_t nwwn) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe; + + list_for_each(qe, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *)qe; + if (wwn_is_equal(rport->nwwn, nwwn)) + return rport; + } + + bfa_trc(port->fcs, nwwn); + return (NULL); +} + +/** + * Called by rport module when new rports are discovered. + */ +void +bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport) +{ + list_add_tail(&rport->qe, &port->rport_q); + port->num_rports++; +} + +/** + * Called by rport module to when rports are deleted. + */ +void +bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port, + struct bfa_fcs_rport_s *rport) +{ + bfa_assert(bfa_q_is_on_q(&port->rport_q, rport)); + list_del(&rport->qe); + port->num_rports--; + + bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT); +} + +/** + * Called by fabric for base port when fabric login is complete. + * Called by vport for virtual ports when FDISC is complete. + */ +void +bfa_fcs_port_online(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE); +} + +/** + * Called by fabric for base port when fabric goes offline. + * Called by vport for virtual ports when virtual port becomes offline. + */ +void +bfa_fcs_port_offline(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE); +} + +/** + * Called by fabric to delete base lport and associated resources. + * + * Called by vport to delete lport and associated resources. Should call + * bfa_fcs_vport_delete_comp() for vports on completion. + */ +void +bfa_fcs_port_delete(struct bfa_fcs_port_s *port) +{ + bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE); +} + +/** + * Called by fabric in private loop topology to process LIP event. + */ +void +bfa_fcs_port_lip(struct bfa_fcs_port_s *port) +{ +} + +/** + * Return TRUE if port is online, else return FALSE + */ +bfa_boolean_t +bfa_fcs_port_is_online(struct bfa_fcs_port_s *port) +{ + return (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online)); +} + +/** + * Logical port initialization of base or virtual port. + * Called by fabric for base port or by vport for virtual ports. + */ +void +bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_port_cfg_s *port_cfg, + struct bfa_fcs_vport_s *vport) +{ + lport->fcs = fcs; + lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id); + bfa_os_assign(lport->port_cfg, *port_cfg); + lport->vport = vport; + lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) : + bfa_lps_get_tag(lport->fabric->lps); + + INIT_LIST_HEAD(&lport->rport_q); + lport->num_rports = 0; + + lport->bfad_port = + bfa_fcb_port_new(fcs->bfad, lport, lport->port_cfg.roles, + lport->fabric->vf_drv, + vport ? vport->vport_drv : NULL); + bfa_fcs_port_aen_post(lport, BFA_LPORT_AEN_NEW); + + bfa_sm_set_state(lport, bfa_fcs_port_sm_uninit); + bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE); +} + + + +/** + * fcs_lport_api + */ + +void +bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port, + struct bfa_port_attr_s *port_attr) +{ + if (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online)) + port_attr->pid = port->pid; + else + port_attr->pid = 0; + + port_attr->port_cfg = port->port_cfg; + + if (port->fabric) { + port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric); + port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric); + port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port); + memcpy(port_attr->fabric_ip_addr, + bfa_fcs_port_get_fabric_ipaddr(port), + BFA_FCS_FABRIC_IPADDR_SZ); + + if (port->vport != NULL) + port_attr->port_type = BFA_PPORT_TYPE_VPORT; + + } else { + port_attr->port_type = BFA_PPORT_TYPE_UNKNOWN; + port_attr->state = BFA_PORT_UNINIT; + } + +} + + diff -urpN orig/drivers/scsi/bfa/bfa_fcs_port.c patch/drivers/scsi/bfa/bfa_fcs_port.c --- orig/drivers/scsi/bfa/bfa_fcs_port.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfa_fcs_port.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_pport.c BFA FCS PPORT ( physical port) + */ + +#include +#include +#include +#include "fcs_trcmod.h" +#include "fcs.h" +#include "fcs_fabric.h" +#include "fcs_port.h" + +BFA_TRC_FILE(FCS, PPORT); + +static void +bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event) +{ + struct bfa_fcs_s *fcs = cbarg; + + bfa_trc(fcs, event); + + switch (event) { + case BFA_PPORT_LINKUP: + bfa_fcs_fabric_link_up(&fcs->fabric); + break; + + case BFA_PPORT_LINKDOWN: + bfa_fcs_fabric_link_down(&fcs->fabric); + break; + + case BFA_PPORT_TRUNK_LINKDOWN: + bfa_assert(0); + break; + + default: + bfa_assert(0); + } +} + +void +bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs) +{ + bfa_pport_event_register(fcs->bfa, bfa_fcs_pport_event_handler, + fcs); +} + +void +bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} diff -urpN orig/drivers/scsi/bfa/bfa_fcs_uf.c patch/drivers/scsi/bfa/bfa_fcs_uf.c --- orig/drivers/scsi/bfa/bfa_fcs_uf.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/bfa_fcs_uf.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfa_fcs_uf.c BFA FCS UF ( Unsolicited Frames) + */ + +#include +#include +#include +#include "fcs.h" +#include "fcs_trcmod.h" +#include "fcs_fabric.h" +#include "fcs_uf.h" + +BFA_TRC_FILE(FCS, UF); + +/** + * BFA callback for unsolicited frame receive handler. + * + * @param[in] cbarg callback arg for receive handler + * @param[in] uf unsolicited frame descriptor + * + * @return None + */ +static void +bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf) +{ + struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg; + struct fchs_s *fchs = bfa_uf_get_frmbuf(uf); + u16 len = bfa_uf_get_frmlen(uf); + struct fc_vft_s *vft; + struct bfa_fcs_fabric_s *fabric; + + /** + * check for VFT header + */ + if (fchs->routing == FC_RTG_EXT_HDR && + fchs->cat_info == FC_CAT_VFT_HDR) { + bfa_stats(fcs, uf.tagged); + vft = bfa_uf_get_frmbuf(uf); + if (fcs->port_vfid == vft->vf_id) + fabric = &fcs->fabric; + else + fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id); + + /** + * drop frame if vfid is unknown + */ + if (!fabric) { + bfa_assert(0); + bfa_stats(fcs, uf.vfid_unknown); + bfa_uf_free(uf); + return; + } + + /** + * skip vft header + */ + fchs = (struct fchs_s *) (vft + 1); + len -= sizeof(struct fc_vft_s); + + bfa_trc(fcs, vft->vf_id); + } else { + bfa_stats(fcs, uf.untagged); + fabric = &fcs->fabric; + } + + bfa_trc(fcs, ((u32 *) fchs)[0]); + bfa_trc(fcs, ((u32 *) fchs)[1]); + bfa_trc(fcs, ((u32 *) fchs)[2]); + bfa_trc(fcs, ((u32 *) fchs)[3]); + bfa_trc(fcs, ((u32 *) fchs)[4]); + bfa_trc(fcs, ((u32 *) fchs)[5]); + bfa_trc(fcs, len); + + bfa_fcs_fabric_uf_recv(fabric, fchs, len); + bfa_uf_free(uf); +} + +void +bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs) +{ + bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); +} + +void +bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs) +{ + bfa_fcs_modexit_comp(fcs); +} diff -urpN orig/drivers/scsi/bfa/fab.c patch/drivers/scsi/bfa/fab.c --- orig/drivers/scsi/bfa/fab.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/fab.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include +#include +#include "fcs_lport.h" +#include "fcs_rport.h" +#include "lport_priv.h" + +/** + * fab.c port fab implementation. + */ + +/** + * bfa_fcs_port_fab_public port fab public functions + */ + +/** + * Called by port to initialize fabric services of the base port. + */ +void +bfa_fcs_port_fab_init(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_init(port); + bfa_fcs_port_scn_init(port); + bfa_fcs_port_ms_init(port); +} + +/** + * Called by port to notify transition to online state. + */ +void +bfa_fcs_port_fab_online(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_online(port); + bfa_fcs_port_scn_online(port); +} + +/** + * Called by port to notify transition to offline state. + */ +void +bfa_fcs_port_fab_offline(struct bfa_fcs_port_s *port) +{ + bfa_fcs_port_ns_offline(port); + bfa_fcs_port_scn_offline(port); + bfa_fcs_port_ms_offline(port); +} diff -urpN orig/drivers/scsi/bfa/fabric.c patch/drivers/scsi/bfa/fabric.c --- orig/drivers/scsi/bfa/fabric.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/fabric.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,1278 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * fabric.c Fabric module implementation. + */ + +#include "fcs_fabric.h" +#include "fcs_lport.h" +#include "fcs_vport.h" +#include "fcs_trcmod.h" +#include "fcs_fcxp.h" +#include "fcs_auth.h" +#include "fcs.h" +#include "fcbuild.h" +#include +#include +#include + +BFA_TRC_FILE(FCS, FABRIC); + +#define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ +#define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ + +#define bfa_fcs_fabric_set_opertype(__fabric) do { \ + if (bfa_pport_get_topology((__fabric)->fcs->bfa) \ + == BFA_PPORT_TOPOLOGY_P2P) \ + (__fabric)->oper_type = BFA_PPORT_TYPE_NPORT; \ + else \ + (__fabric)->oper_type = BFA_PPORT_TYPE_NLPORT; \ +} while (0) + +/* + * forward declarations + */ +static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_delay(void *cbarg); +static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_delete_comp(void *cbarg); +static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len); +static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); +static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, + struct bfa_fcxp_s *fcxp, + void *cbarg, bfa_status_t status, + u32 rsp_len, + u32 resid_len, + struct fchs_s *rspfchs); +/** + * fcs_fabric_sm fabric state machine functions + */ + +/** + * Fabric state machine events + */ +enum bfa_fcs_fabric_event { + BFA_FCS_FABRIC_SM_CREATE = 1, /* fabric create from driver */ + BFA_FCS_FABRIC_SM_DELETE = 2, /* fabric delete from driver */ + BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ + BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ + BFA_FCS_FABRIC_SM_CONT_OP = 5, /* continue op from flogi/auth */ + BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* continue op from flogi/auth */ + BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* no fabric from flogi/auth + */ + BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* perform EVFP from + *flogi/auth */ + BFA_FCS_FABRIC_SM_ISOLATE = 9, /* isolate from EVFP processing */ + BFA_FCS_FABRIC_SM_NO_TAGGING = 10,/* no VFT tagging from EVFP */ + BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ + BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* authentication failed */ + BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* authentication successful + */ + BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ + BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ + BFA_FCS_FABRIC_SM_START = 16, /* fabric delete from driver */ +}; + +static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event); +/** + * Beginning state before fabric creation. + */ +static void +bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CREATE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); + bfa_fcs_fabric_init(fabric); + bfa_fcs_lport_init(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, + &fabric->bport.port_cfg, NULL); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + case BFA_FCS_FABRIC_SM_LINK_DOWN: + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Beginning state before fabric creation. + */ +static void +bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_START: + if (bfa_pport_is_linkup(fabric->fcs->bfa)) { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + } else + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + case BFA_FCS_FABRIC_SM_LINK_DOWN: + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_fcs_modexit_comp(fabric->fcs); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Link is down, awaiting LINK UP event from port. This is also the + * first state at fabric creation. + */ +static void +bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_UP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + break; + + case BFA_FCS_FABRIC_SM_RETRY_OP: + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * FLOGI is in progress, awaiting FLOGI reply. + */ +static void +bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CONT_OP: + + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; + + if (fabric->auth_reqd && fabric->is_auth) { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); + bfa_trc(fabric->fcs, event); + } else { + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); + bfa_fcs_fabric_notify_online(fabric); + } + break; + + case BFA_FCS_FABRIC_SM_RETRY_OP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); + bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, + bfa_fcs_fabric_delay, fabric, + BFA_FCS_FABRIC_RETRY_DELAY); + break; + + case BFA_FCS_FABRIC_SM_LOOPBACK: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_set_opertype(fabric); + break; + + case BFA_FCS_FABRIC_SM_NO_FABRIC: + fabric->fab_type = BFA_FCS_FABRIC_N2N; + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + bfa_fcs_fabric_notify_online(fabric); + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + + +static void +bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_DELAYED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); + bfa_fcs_fabric_login(fabric); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_timer_stop(&fabric->delay_timer); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_timer_stop(&fabric->delay_timer); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Authentication is in progress, awaiting authentication results. + */ +static void +bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_AUTH_FAILED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); + bfa_fcs_fabric_notify_online(fabric); + break; + + case BFA_FCS_FABRIC_SM_PERF_EVFP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Authentication failed + */ +static void +bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Port is in loopback mode. + */ +static void +bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * There is no attached fabric - private loop or NPort-to-NPort topology. + */ +static void +bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + case BFA_FCS_FABRIC_SM_NO_FABRIC: + bfa_trc(fabric->fcs, fabric->bb_credit); + bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Fabric is online - normal operating state. + */ +static void +bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); + bfa_lps_discard(fabric->lps); + bfa_fcs_fabric_notify_offline(fabric); + break; + + case BFA_FCS_FABRIC_SM_DELETE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); + bfa_fcs_fabric_delete(fabric); + break; + + case BFA_FCS_FABRIC_SM_AUTH_FAILED: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); + bfa_lps_discard(fabric->lps); + break; + + case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * Exchanging virtual fabric parameters. + */ +static void +bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_CONT_OP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done); + break; + + case BFA_FCS_FABRIC_SM_ISOLATE: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + +/** + * EVFP exchange complete and VFT tagging is enabled. + */ +static void +bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); +} + +/** + * Port is isolated after EVFP exchange due to VF_ID mismatch (N and F). + */ +static void +bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + bfa_log(fabric->fcs->logm, BFA_LOG_FCS_FABRIC_ISOLATED, + fabric->bport.port_cfg.pwwn, fabric->fcs->port_vfid, + fabric->event_arg.swp_vfid); +} + +/** + * Fabric is being deleted, awaiting vport delete completions. + */ +static void +bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, + enum bfa_fcs_fabric_event event) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, event); + + switch (event) { + case BFA_FCS_FABRIC_SM_DELCOMP: + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_fcs_modexit_comp(fabric->fcs); + break; + + case BFA_FCS_FABRIC_SM_LINK_UP: + break; + + case BFA_FCS_FABRIC_SM_LINK_DOWN: + bfa_fcs_fabric_notify_offline(fabric); + break; + + default: + bfa_sm_fault(fabric->fcs, event); + } +} + + + +/** + * fcs_fabric_private fabric private functions + */ + +static void +bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg; + + port_cfg->roles = BFA_PORT_ROLE_FCP_IM; + port_cfg->nwwn = bfa_ioc_get_nwwn(&fabric->fcs->bfa->ioc); + port_cfg->pwwn = bfa_ioc_get_pwwn(&fabric->fcs->bfa->ioc); +} + +/** + * Port Symbolic Name Creation for base port. + */ +void +bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg; + struct bfa_adapter_attr_s adapter_attr; + struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; + + bfa_os_memset((void *)&adapter_attr, 0, + sizeof(struct bfa_adapter_attr_s)); + bfa_ioc_get_adapter_attr(&fabric->fcs->bfa->ioc, &adapter_attr); + + /* + * Model name/number + */ + strncpy((char *)&port_cfg->sym_name, adapter_attr.model, + BFA_FCS_PORT_SYMBNAME_MODEL_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Driver Version + */ + strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, + BFA_FCS_PORT_SYMBNAME_VERSION_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Host machine name + */ + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_machine_name, + BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); + strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Host OS Info : + * If OS Patch Info is not there, do not truncate any bytes from the + * OS name string and instead copy the entire OS info string (64 bytes). + */ + if (driver_info->host_os_patch[0] == '\0') { + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_name, BFA_FCS_OS_STR_LEN); + strncat((char *)&port_cfg->sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + } else { + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_name, + BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); + strncat((char *)&port_cfg->sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* + * Append host OS Patch Info + */ + strncat((char *)&port_cfg->sym_name, + (char *)driver_info->host_os_patch, + BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); + } + + /* + * null terminate + */ + port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; +} + +/** + * bfa lps login completion callback + */ +void +bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) +{ + struct bfa_fcs_fabric_s *fabric = uarg; + + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_trc(fabric->fcs, status); + + switch (status) { + case BFA_STATUS_OK: + fabric->stats.flogi_accepts++; + break; + + case BFA_STATUS_INVALID_MAC: + /* + * Only for CNA + */ + fabric->stats.flogi_acc_err++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + + return; + + case BFA_STATUS_EPROTOCOL: + switch (bfa_lps_get_extstatus(fabric->lps)) { + case BFA_EPROTO_BAD_ACCEPT: + fabric->stats.flogi_acc_err++; + break; + + case BFA_EPROTO_UNKNOWN_RSP: + fabric->stats.flogi_unknown_rsp++; + break; + + default: + break; + } + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + + return; + + case BFA_STATUS_FABRIC_RJT: + fabric->stats.flogi_rejects++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + return; + + default: + fabric->stats.flogi_rsp_err++; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); + return; + } + + fabric->bb_credit = bfa_lps_get_peer_bbcredit(fabric->lps); + bfa_trc(fabric->fcs, fabric->bb_credit); + + if (!bfa_lps_is_brcd_fabric(fabric->lps)) + fabric->fabric_name = bfa_lps_get_peer_nwwn(fabric->lps); + + /* + * Check port type. It should be 1 = F-port. + */ + if (bfa_lps_is_fport(fabric->lps)) { + fabric->bport.pid = bfa_lps_get_pid(fabric->lps); + fabric->is_npiv = bfa_lps_is_npiv_en(fabric->lps); + fabric->is_auth = bfa_lps_is_authreq(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP); + } else { + /* + * Nport-2-Nport direct attached + */ + fabric->bport.port_topo.pn2n.rem_port_wwn = + bfa_lps_get_peer_pwwn(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); + } + + bfa_trc(fabric->fcs, fabric->bport.pid); + bfa_trc(fabric->fcs, fabric->is_npiv); + bfa_trc(fabric->fcs, fabric->is_auth); +} + +/** + * Allocate and send FLOGI. + */ +static void +bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_s *bfa = fabric->fcs->bfa; + struct bfa_port_cfg_s *pcfg = &fabric->bport.port_cfg; + u8 alpa = 0; + + if (bfa_pport_get_topology(bfa) == BFA_PPORT_TOPOLOGY_LOOP) + alpa = bfa_pport_get_myalpa(bfa); + + bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_pport_get_maxfrsize(bfa), + pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd); + + fabric->stats.flogi_sent++; +} + +static void +bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + bfa_trc(fabric->fcs, fabric->fabric_name); + + bfa_fcs_fabric_set_opertype(fabric); + fabric->stats.fabric_onlines++; + + /** + * notify online event to base and then virtual ports + */ + bfa_fcs_port_online(&fabric->bport); + + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_online(vport); + } +} + +static void +bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + bfa_trc(fabric->fcs, fabric->fabric_name); + fabric->stats.fabric_offlines++; + + /** + * notify offline event first to vports and then base port. + */ + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_offline(vport); + } + + bfa_fcs_port_offline(&fabric->bport); + + fabric->fabric_name = 0; + fabric->fabric_ip_addr[0] = 0; +} + +static void +bfa_fcs_fabric_delay(void *cbarg) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED); +} + +/** + * Delete all vports and wait for vport delete completions. + */ +static void +bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe, *qen; + + list_for_each_safe(qe, qen, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + bfa_fcs_vport_delete(vport); + } + + bfa_fcs_port_delete(&fabric->bport); + bfa_wc_wait(&fabric->wc); +} + +static void +bfa_fcs_fabric_delete_comp(void *cbarg) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP); +} + + + +/** + * fcs_fabric_public fabric public functions + */ + +/** + * Module initialization + */ +void +bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + fabric = &fcs->fabric; + bfa_os_memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); + + /** + * Initialize base fabric. + */ + fabric->fcs = fcs; + INIT_LIST_HEAD(&fabric->vport_q); + INIT_LIST_HEAD(&fabric->vf_q); + fabric->lps = bfa_lps_alloc(fcs->bfa); + bfa_assert(fabric->lps); + + /** + * Initialize fabric delete completion handler. Fabric deletion is complete + * when the last vport delete is complete. + */ + bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); + bfa_wc_up(&fabric->wc); /* For the base port */ + + bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CREATE); + bfa_trc(fcs, 0); +} + +/** + * Module cleanup + */ +void +bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, 0); + + /** + * Cleanup base fabric. + */ + fabric = &fcs->fabric; + bfa_lps_delete(fabric->lps); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); +} + +/** + * Fabric module start -- kick starts FCS actions + */ +void +bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs) +{ + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, 0); + fabric = &fcs->fabric; + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START); +} + +/** + * Suspend fabric activity as part of driver suspend. + */ +void +bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs) +{ +} + +bfa_boolean_t +bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric) +{ + return (bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_loopback)); +} + +enum bfa_pport_type +bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric) +{ + return fabric->oper_type; +} + +/** + * Link up notification from BFA physical port module. + */ +void +bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP); +} + +/** + * Link down notification from BFA physical port module. + */ +void +bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) +{ + bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); +} + +/** + * A child vport is being created in the fabric. + * + * Call from vport module at vport creation. A list of base port and vports + * belonging to a fabric is maintained to propagate link events. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * param[in] vport - Vport being created. + * + * @return None (always succeeds) + */ +void +bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport) +{ + /** + * - add vport to fabric's vport_q + */ + bfa_trc(fabric->fcs, fabric->vf_id); + + list_add_tail(&vport->qe, &fabric->vport_q); + fabric->num_vports++; + bfa_wc_up(&fabric->wc); +} + +/** + * A child vport is being deleted from fabric. + * + * Vport is being deleted. + */ +void +bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric, + struct bfa_fcs_vport_s *vport) +{ + list_del(&vport->qe); + fabric->num_vports--; + bfa_wc_down(&fabric->wc); +} + +/** + * Base port is deleted. + */ +void +bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric) +{ + bfa_wc_down(&fabric->wc); +} + +/** + * Check if fabric is online. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * + * @return TRUE/FALSE + */ +int +bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric) +{ + return (bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_online)); +} + + +bfa_status_t +bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, struct bfa_fcs_s *fcs, + struct bfa_port_cfg_s *port_cfg, + struct bfad_vf_s *vf_drv) +{ + bfa_sm_set_state(vf, bfa_fcs_fabric_sm_uninit); + return BFA_STATUS_OK; +} + +/** + * Lookup for a vport withing a fabric given its pwwn + */ +struct bfa_fcs_vport_s * +bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn) +{ + struct bfa_fcs_vport_s *vport; + struct list_head *qe; + + list_for_each(qe, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + if (bfa_fcs_port_get_pwwn(&vport->lport) == pwwn) + return vport; + } + + return NULL; +} + +/** + * In a given fabric, return the number of lports. + * + * param[in] fabric - Fabric instance. This can be a base fabric or vf. + * +* @return : 1 or more. + */ +u16 +bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric) +{ + return (fabric->num_vports); +} + +/** + * Unsolicited frame receive handling. + */ +void +bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, + u16 len) +{ + u32 pid = fchs->d_id; + struct bfa_fcs_vport_s *vport; + struct list_head *qe; + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd; + + bfa_trc(fabric->fcs, len); + bfa_trc(fabric->fcs, pid); + + /** + * Look for our own FLOGI frames being looped back. This means an + * external loopback cable is in place. Our own FLOGI frames are + * sometimes looped back when switch port gets temporarily bypassed. + */ + if ((pid == bfa_os_ntoh3b(FC_FABRIC_PORT)) + && (els_cmd->els_code == FC_ELS_FLOGI) + && (flogi->port_name == bfa_fcs_port_get_pwwn(&fabric->bport))) { + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK); + return; + } + + /** + * FLOGI/EVFP exchanges should be consumed by base fabric. + */ + if (fchs->d_id == bfa_os_hton3b(FC_FABRIC_PORT)) { + bfa_trc(fabric->fcs, pid); + bfa_fcs_fabric_process_uf(fabric, fchs, len); + return; + } + + if (fabric->bport.pid == pid) { + /** + * All authentication frames should be routed to auth + */ + bfa_trc(fabric->fcs, els_cmd->els_code); + if (els_cmd->els_code == FC_ELS_AUTH) { + bfa_trc(fabric->fcs, els_cmd->els_code); + fabric->auth.response = (u8 *) els_cmd; + return; + } + + bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); + bfa_fcs_port_uf_recv(&fabric->bport, fchs, len); + return; + } + + /** + * look for a matching local port ID + */ + list_for_each(qe, &fabric->vport_q) { + vport = (struct bfa_fcs_vport_s *)qe; + if (vport->lport.pid == pid) { + bfa_fcs_port_uf_recv(&vport->lport, fchs, len); + return; + } + } + bfa_trc(fabric->fcs, els_cmd->els_code); + bfa_fcs_port_uf_recv(&fabric->bport, fchs, len); +} + +/** + * Unsolicited frames to be processed by fabric. + */ +static void +bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, + u16 len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + bfa_trc(fabric->fcs, els_cmd->els_code); + + switch (els_cmd->els_code) { + case FC_ELS_FLOGI: + bfa_fcs_fabric_process_flogi(fabric, fchs, len); + break; + + default: + /* + * need to generate a LS_RJT + */ + break; + } +} + +/** + * Process incoming FLOGI + */ +static void +bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, + struct fchs_s *fchs, u16 len) +{ + struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1); + struct bfa_fcs_port_s *bport = &fabric->bport; + + bfa_trc(fabric->fcs, fchs->s_id); + + fabric->stats.flogi_rcvd++; + /* + * Check port type. It should be 0 = n-port. + */ + if (flogi->csp.port_type) { + /* + * @todo: may need to send a LS_RJT + */ + bfa_trc(fabric->fcs, flogi->port_name); + fabric->stats.flogi_rejected++; + return; + } + + fabric->bb_credit = bfa_os_ntohs(flogi->csp.bbcred); + bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; + bport->port_topo.pn2n.reply_oxid = fchs->ox_id; + + /* + * Send a Flogi Acc + */ + bfa_fcs_fabric_send_flogi_acc(fabric); + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC); +} + +static void +bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_port_cfg_s *pcfg = &fabric->bport.port_cfg; + struct bfa_fcs_port_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n; + struct bfa_s *bfa = fabric->fcs->bfa; + struct bfa_fcxp_s *fcxp; + u16 reqlen; + struct fchs_s fchs; + + fcxp = bfa_fcs_fcxp_alloc(fabric->fcs); + /** + * Do not expect this failure -- expect remote node to retry + */ + if (!fcxp) + return; + + reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_FABRIC_PORT), + n2n_port->reply_oxid, pcfg->pwwn, + pcfg->nwwn, bfa_pport_get_maxfrsize(bfa), + bfa_pport_get_rx_bbcredit(bfa)); + + bfa_fcxp_send(fcxp, NULL, fabric->vf_id, bfa_lps_get_tag(fabric->lps), + BFA_FALSE, FC_CLASS_3, reqlen, &fchs, + bfa_fcs_fabric_flogiacc_comp, fabric, + FC_MAX_PDUSZ, 0); /* Timeout 0 indicates no + * response expected + */ +} + +/** + * Flogi Acc completion callback. + */ +static void +bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, + bfa_status_t status, u32 rsp_len, + u32 resid_len, struct fchs_s *rspfchs) +{ + struct bfa_fcs_fabric_s *fabric = cbarg; + + bfa_trc(fabric->fcs, status); +} + +/* + * + * @param[in] fabric - fabric + * @param[in] result - 1 + * + * @return - none + */ +void +bfa_fcs_auth_finished(struct bfa_fcs_fabric_s *fabric, enum auth_status status) +{ + bfa_trc(fabric->fcs, status); + + if (status == FC_AUTH_STATE_SUCCESS) + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_SUCCESS); + else + bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_FAILED); +} + +/** + * Send AEN notification + */ +static void +bfa_fcs_fabric_aen_post(struct bfa_fcs_port_s *port, + enum bfa_port_aen_event event) +{ + union bfa_aen_data_u aen_data; + struct bfa_log_mod_s *logmod = port->fcs->logm; + wwn_t pwwn = bfa_fcs_port_get_pwwn(port); + wwn_t fwwn = bfa_fcs_port_get_fabric_name(port); + char pwwn_ptr[BFA_STRING_32]; + char fwwn_ptr[BFA_STRING_32]; + + wwn2str(pwwn_ptr, pwwn); + wwn2str(fwwn_ptr, fwwn); + + switch (event) { + case BFA_PORT_AEN_FABRIC_NAME_CHANGE: + bfa_log(logmod, BFA_AEN_PORT_FABRIC_NAME_CHANGE, pwwn_ptr, + fwwn_ptr); + break; + default: + break; + } + + aen_data.port.pwwn = pwwn; + aen_data.port.fwwn = fwwn; +} + +/* + * + * @param[in] fabric - fabric + * @param[in] wwn_t - new fabric name + * + * @return - none + */ +void +bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, + wwn_t fabric_name) +{ + bfa_trc(fabric->fcs, fabric_name); + + if (fabric->fabric_name == 0) { + /* + * With BRCD switches, we don't get Fabric Name in FLOGI. + * Don't generate a fabric name change event in this case. + */ + fabric->fabric_name = fabric_name; + } else { + fabric->fabric_name = fabric_name; + /* + * Generate a Event + */ + bfa_fcs_fabric_aen_post(&fabric->bport, + BFA_PORT_AEN_FABRIC_NAME_CHANGE); + } + +} + +/** + * Not used by FCS. + */ +void +bfa_cb_lps_flogo_comp(void *bfad, void *uarg) +{ +} + + diff -urpN orig/drivers/scsi/bfa/fcbuild.c patch/drivers/scsi/bfa/fcbuild.c --- orig/drivers/scsi/bfa/fcbuild.c 1969-12-31 16:00:00.000000000 -0800 +++ patch/drivers/scsi/bfa/fcbuild.c 2009-09-23 15:59:18.000000000 -0700 @@ -0,0 +1,1449 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * fcbuild.c - FC link service frame building and parsing routines + */ + +#include +#include "fcbuild.h" + +/* + * static build functions + */ +static void fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static void fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id); +static struct fchs_s fc_els_req_tmpl; +static struct fchs_s fc_els_rsp_tmpl; +static struct fchs_s fc_bls_req_tmpl; +static struct fchs_s fc_bls_rsp_tmpl; +static struct fc_ba_acc_s ba_acc_tmpl; +static struct fc_logi_s plogi_tmpl; +static struct fc_prli_s prli_tmpl; +static struct fc_rrq_s rrq_tmpl; +static struct fchs_s fcp_fchs_tmpl; + +void +fcbuild_init(void) +{ + /* + * fc_els_req_tmpl + */ + fc_els_req_tmpl.routing = FC_RTG_EXT_LINK; + fc_els_req_tmpl.cat_info = FC_CAT_LD_REQUEST; + fc_els_req_tmpl.type = FC_TYPE_ELS; + fc_els_req_tmpl.f_ctl = + bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ | + FCTL_SI_XFER); + fc_els_req_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_els_rsp_tmpl + */ + fc_els_rsp_tmpl.routing = FC_RTG_EXT_LINK; + fc_els_rsp_tmpl.cat_info = FC_CAT_LD_REPLY; + fc_els_rsp_tmpl.type = FC_TYPE_ELS; + fc_els_rsp_tmpl.f_ctl = + bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH | + FCTL_END_SEQ | FCTL_SI_XFER); + fc_els_rsp_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_bls_req_tmpl + */ + fc_bls_req_tmpl.routing = FC_RTG_BASIC_LINK; + fc_bls_req_tmpl.type = FC_TYPE_BLS; + fc_bls_req_tmpl.f_ctl = bfa_os_hton3b(FCTL_END_SEQ | FCTL_SI_XFER); + fc_bls_req_tmpl.rx_id = FC_RXID_ANY; + + /* + * fc_bls_rsp_tmpl + */ + fc_bls_rsp_tmpl.routing = FC_RTG_BASIC_LINK; + fc_bls_rsp_tmpl.cat_info = FC_CAT_BA_ACC; + fc_bls_rsp_tmpl.type = FC_TYPE_BLS; + fc_bls_rsp_tmpl.f_ctl = + bfa_os_hton3b(FCTL_EC_RESP | FCTL_SEQ_INI | FCTL_LS_EXCH | + FCTL_END_SEQ | FCTL_SI_XFER); + fc_bls_rsp_tmpl.rx_id = FC_RXID_ANY; + + /* + * ba_acc_tmpl + */ + ba_acc_tmpl.seq_id_valid = 0; + ba_acc_tmpl.low_seq_cnt = 0; + ba_acc_tmpl.high_seq_cnt = 0xFFFF; + + /* + * plogi_tmpl + */ + plogi_tmpl.csp.verhi = FC_PH_VER_PH_3; + plogi_tmpl.csp.verlo = FC_PH_VER_4_3; + plogi_tmpl.csp.bbcred = bfa_os_htons(0x0004); + plogi_tmpl.csp.ciro = 0x1; + plogi_tmpl.csp.cisc = 0x0; + plogi_tmpl.csp.altbbcred = 0x0; + plogi_tmpl.csp.conseq = bfa_os_htons(0x00FF); + plogi_tmpl.csp.ro_bitmap = bfa_os_htons(0x0002); + plogi_tmpl.csp.e_d_tov = bfa_os_htonl(2000); + + plogi_tmpl.class3.class_valid = 1; + plogi_tmpl.class3.sequential = 1; + plogi_tmpl.class3.conseq = 0xFF; + plogi_tmpl.class3.ospx = 1; + + /* + * prli_tmpl + */ + prli_tmpl.command = FC_ELS_PRLI; + prli_tmpl.pglen = 0x10; + prli_tmpl.pagebytes = bfa_os_htons(0x0014); + prli_tmpl.parampage.type = FC_TYPE_FCP; + prli_tmpl.parampage.imagepair = 1; + prli_tmpl.parampage.servparams.rxrdisab = 1; + + /* + * rrq_tmpl + */ + rrq_tmpl.els_cmd.els_code = FC_ELS_RRQ; + + /* + * fcp_fchs_tmpl + */ + fcp_fchs_tmpl.routing = FC_RTG_FC4_DEV_DATA; + fcp_fchs_tmpl.cat_info = FC_CAT_UNSOLICIT_CMD; + fcp_fchs_tmpl.type = FC_TYPE_FCP; + fcp_fchs_tmpl.f_ctl = + bfa_os_hton3b(FCTL_FS_EXCH | FCTL_END_SEQ | FCTL_SI_XFER); + fcp_fchs_tmpl.seq_id = 1; + fcp_fchs_tmpl.rx_id = FC_RXID_ANY; +} + +static void +fc_gs_fchdr_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u32 ox_id) +{ + bfa_os_memset(fchs, 0, sizeof(struct fchs_s)); + + fchs->routing = FC_RTG_FC4_DEV_DATA; + fchs->cat_info = FC_CAT_UNSOLICIT_CTRL; + fchs->type = FC_TYPE_SERVICES; + fchs->f_ctl = + bfa_os_hton3b(FCTL_SEQ_INI | FCTL_FS_EXCH | FCTL_END_SEQ | + FCTL_SI_XFER); + fchs->rx_id = FC_RXID_ANY; + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); + + /** + * @todo no need to set ox_id for request + * no need to set rx_id for response + */ +} + +void +fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_els_req_tmpl, sizeof(struct fchs_s)); + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); +} + +static void +fc_els_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_els_rsp_tmpl, sizeof(struct fchs_s)); + fchs->d_id = d_id; + fchs->s_id = s_id; + fchs->ox_id = ox_id; +} + +enum fc_parse_status +fc_els_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_ls_rjt_s *ls_rjt = (struct fc_ls_rjt_s *) els_cmd; + + len = len; + + switch (els_cmd->els_code) { + case FC_ELS_LS_RJT: + if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY) + return (FC_PARSE_BUSY); + else + return (FC_PARSE_FAILURE); + + case FC_ELS_ACC: + return (FC_PARSE_OK); + } + return (FC_PARSE_OK); +} + +static void +fc_bls_rsp_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_bls_rsp_tmpl, sizeof(struct fchs_s)); + fchs->d_id = d_id; + fchs->s_id = s_id; + fchs->ox_id = ox_id; +} + +static u16 +fc_plogi_x_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u8 els_code) +{ + struct fc_logi_s *plogi = (struct fc_logi_s *) (pld); + + bfa_os_memcpy(plogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + plogi->els_cmd.els_code = els_code; + if (els_code == FC_ELS_PLOGI) + fc_els_req_build(fchs, d_id, s_id, ox_id); + else + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + plogi->csp.rxsz = plogi->class3.rxsz = bfa_os_htons(pdu_size); + + bfa_os_memcpy(&plogi->port_name, &port_name, sizeof(wwn_t)); + bfa_os_memcpy(&plogi->node_name, &node_name, sizeof(wwn_t)); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u8 set_npiv, u8 set_auth, + u16 local_bb_credits) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); + u32 *vvl_info; + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + flogi->els_cmd.els_code = FC_ELS_FLOGI; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + /* + * Set the NPIV Capability Bit ( word 1, bit 31) of Common + * Service Parameters. + */ + flogi->csp.ciro = set_npiv; + + /* set AUTH capability */ + flogi->csp.security = set_auth; + + flogi->csp.bbcred = bfa_os_htons(local_bb_credits); + + /* Set brcd token in VVL */ + vvl_info = (u32 *)&flogi->vvl[0]; + + /* set the flag to indicate the presence of VVL */ + flogi->csp.npiv_supp = 1; /* @todo. field name is not correct */ + vvl_info[0] = bfa_os_htonl(FLOGI_VVL_BRCD); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size, u16 local_bb_credits) +{ + u32 d_id = 0; + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + flogi->els_cmd.els_code = FC_ELS_ACC; + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + flogi->csp.bbcred = bfa_os_htons(local_bb_credits); + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_fdisc_build(struct fchs_s *fchs, struct fc_logi_s *flogi, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_PORT); + + bfa_os_memcpy(flogi, &plogi_tmpl, sizeof(struct fc_logi_s)); + + flogi->els_cmd.els_code = FC_ELS_FDISC; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + flogi->csp.rxsz = flogi->class3.rxsz = bfa_os_htons(pdu_size); + flogi->port_name = port_name; + flogi->node_name = node_name; + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name, + node_name, pdu_size, FC_ELS_PLOGI); +} + +u16 +fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + return fc_plogi_x_build(fchs, pld, d_id, s_id, ox_id, port_name, + node_name, pdu_size, FC_ELS_ACC); +} + +enum fc_parse_status +fc_plogi_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_logi_s *plogi; + struct fc_ls_rjt_s *ls_rjt; + + switch (els_cmd->els_code) { + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) (fchs + 1); + if (ls_rjt->reason_code == FC_LS_RJT_RSN_LOGICAL_BUSY) + return (FC_PARSE_BUSY); + else + return (FC_PARSE_FAILURE); + case FC_ELS_ACC: + plogi = (struct fc_logi_s *) (fchs + 1); + if (len < sizeof(struct fc_logi_s)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(plogi->port_name, port_name)) + return (FC_PARSE_FAILURE); + + if (!plogi->class3.class_valid) + return (FC_PARSE_FAILURE); + + if (bfa_os_ntohs(plogi->class3.rxsz) < (FC_MIN_PDUSZ)) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); + default: + return (FC_PARSE_FAILURE); + } +} + +enum fc_parse_status +fc_plogi_parse(struct fchs_s *fchs) +{ + struct fc_logi_s *plogi = (struct fc_logi_s *) (fchs + 1); + + if (plogi->class3.class_valid != 1) + return FC_PARSE_FAILURE; + + if ((bfa_os_ntohs(plogi->class3.rxsz) < FC_MIN_PDUSZ) + || (bfa_os_ntohs(plogi->class3.rxsz) > FC_MAX_PDUSZ) + || (plogi->class3.rxsz == 0)) + return (FC_PARSE_FAILURE); + + return FC_PARSE_OK; +} + +u16 +fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id) +{ + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + + fc_els_req_build(fchs, d_id, s_id, ox_id); + bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); + + prli->command = FC_ELS_PRLI; + prli->parampage.servparams.initiator = 1; + prli->parampage.servparams.retry = 1; + prli->parampage.servparams.rec_support = 1; + prli->parampage.servparams.task_retry_id = 0; + prli->parampage.servparams.confirm = 1; + + return (sizeof(struct fc_prli_s)); +} + +u16 +fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id, enum bfa_port_role role) +{ + struct fc_prli_s *prli = (struct fc_prli_s *) (pld); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + bfa_os_memcpy(prli, &prli_tmpl, sizeof(struct fc_prli_s)); + + prli->command = FC_ELS_ACC; + + if ((role & BFA_PORT_ROLE_FCP_TM) == BFA_PORT_ROLE_FCP_TM) + prli->parampage.servparams.target = 1; + else + prli->parampage.servparams.initiator = 1; + + prli->parampage.rspcode = FC_PRLI_ACC_XQTD; + + return (sizeof(struct fc_prli_s)); +} + +enum fc_parse_status +fc_prli_rsp_parse(struct fc_prli_s *prli, int len) +{ + if (len < sizeof(struct fc_prli_s)) + return (FC_PARSE_FAILURE); + + if (prli->command != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if ((prli->parampage.rspcode != FC_PRLI_ACC_XQTD) + && (prli->parampage.rspcode != FC_PRLI_ACC_PREDEF_IMG)) + return (FC_PARSE_FAILURE); + + if (prli->parampage.servparams.target != 1) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_prli_parse(struct fc_prli_s *prli) +{ + if (prli->parampage.type != FC_TYPE_FCP) + return (FC_PARSE_FAILURE); + + if (!prli->parampage.imagepair) + return (FC_PARSE_FAILURE); + + if (!prli->parampage.servparams.initiator) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +u16 +fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(logo, '\0', sizeof(struct fc_logo_s)); + logo->els_cmd.els_code = FC_ELS_LOGO; + logo->nport_id = (s_id); + logo->orig_port_name = port_name; + + return (sizeof(struct fc_logo_s)); +} + +static u16 +fc_adisc_x_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name, u8 els_code) +{ + memset(adisc, '\0', sizeof(struct fc_adisc_s)); + + adisc->els_cmd.els_code = els_code; + + if (els_code == FC_ELS_ADISC) + fc_els_req_build(fchs, d_id, s_id, ox_id); + else + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + adisc->orig_HA = 0; + adisc->orig_port_name = port_name; + adisc->orig_node_name = node_name; + adisc->nport_id = (s_id); + + return (sizeof(struct fc_adisc_s)); +} + +u16 +fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name) +{ + return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name, + node_name, FC_ELS_ADISC); +} + +u16 +fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc, u32 d_id, + u32 s_id, u16 ox_id, wwn_t port_name, + wwn_t node_name) +{ + return fc_adisc_x_build(fchs, adisc, d_id, s_id, ox_id, port_name, + node_name, FC_ELS_ACC); +} + +enum fc_parse_status +fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len, wwn_t port_name, + wwn_t node_name) +{ + + if (len < sizeof(struct fc_adisc_s)) + return (FC_PARSE_FAILURE); + + if (adisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(adisc->orig_port_name, port_name)) + return (FC_PARSE_FAILURE); + + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_adisc_parse(struct fchs_s *fchs, void *pld, u32 host_dap, + wwn_t node_name, wwn_t port_name) +{ + struct fc_adisc_s *adisc = (struct fc_adisc_s *) pld; + + if (adisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + if ((adisc->nport_id == (host_dap)) + && wwn_is_equal(adisc->orig_port_name, port_name) + && wwn_is_equal(adisc->orig_node_name, node_name)) + return (FC_PARSE_OK); + + return (FC_PARSE_FAILURE); +} + +enum fc_parse_status +fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name, wwn_t port_name) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + if (pdisc->class3.class_valid != 1) + return FC_PARSE_FAILURE; + + if ((bfa_os_ntohs(pdisc->class3.rxsz) < + (FC_MIN_PDUSZ - sizeof(struct fchs_s))) + || (pdisc->class3.rxsz == 0)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(pdisc->port_name, port_name)) + return (FC_PARSE_FAILURE); + + if (!wwn_is_equal(pdisc->node_name, node_name)) + return (FC_PARSE_FAILURE); + + return FC_PARSE_OK; +} + +u16 +fc_abts_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id) +{ + bfa_os_memcpy(fchs, &fc_bls_req_tmpl, sizeof(struct fchs_s)); + fchs->cat_info = FC_CAT_ABTS; + fchs->d_id = (d_id); + fchs->s_id = (s_id); + fchs->ox_id = bfa_os_htons(ox_id); + + return (sizeof(struct fchs_s)); +} + +enum fc_parse_status +fc_abts_rsp_parse(struct fchs_s *fchs, int len) +{ + if ((fchs->cat_info == FC_CAT_BA_ACC) + || (fchs->cat_info == FC_CAT_BA_RJT)) + return (FC_PARSE_OK); + + return (FC_PARSE_FAILURE); +} + +u16 +fc_rrq_build(struct fchs_s *fchs, struct fc_rrq_s *rrq, u32 d_id, + u32 s_id, u16 ox_id, u16 rrq_oxid) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + /* + * build rrq payload + */ + bfa_os_memcpy(rrq, &rrq_tmpl, sizeof(struct fc_rrq_s)); + rrq->s_id = (s_id); + rrq->ox_id = bfa_os_htons(rrq_oxid); + rrq->rx_id = FC_RXID_ANY; + + return (sizeof(struct fc_rrq_s)); +} + +u16 +fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id, u32 s_id, + u16 ox_id) +{ + struct fc_els_cmd_s *acc = pld; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(acc, 0, sizeof(struct fc_els_cmd_s)); + acc->els_code = FC_ELS_ACC; + + return (sizeof(struct fc_els_cmd_s)); +} + +u16 +fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt, u32 d_id, + u32 s_id, u16 ox_id, u8 reason_code, + u8 reason_code_expl) +{ + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + memset(ls_rjt, 0, sizeof(struct fc_ls_rjt_s)); + + ls_rjt->els_cmd.els_code = FC_ELS_LS_RJT; + ls_rjt->reason_code = reason_code; + ls_rjt->reason_code_expl = reason_code_expl; + ls_rjt->vendor_unique = 0x00; + + return (sizeof(struct fc_ls_rjt_s)); +} + +u16 +fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id, + u32 s_id, u16 ox_id, u16 rx_id) +{ + fc_bls_rsp_build(fchs, d_id, s_id, ox_id); + + bfa_os_memcpy(ba_acc, &ba_acc_tmpl, sizeof(struct fc_ba_acc_s)); + + fchs->rx_id = rx_id; + + ba_acc->ox_id = fchs->ox_id; + ba_acc->rx_id = fchs->rx_id; + + return (sizeof(struct fc_ba_acc_s)); +} + +u16 +fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd, + u32 d_id, u32 s_id, u16 ox_id) +{ + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + memset(els_cmd, 0, sizeof(struct fc_els_cmd_s)); + els_cmd->els_code = FC_ELS_ACC; + + return (sizeof(struct fc_els_cmd_s)); +} + +int +fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code) +{ + int num_pages = 0; + struct fc_prlo_s *prlo; + struct fc_tprlo_s *tprlo; + + if (els_code == FC_ELS_PRLO) { + prlo = (struct fc_prlo_s *) (fc_frame + 1); + num_pages = (bfa_os_ntohs(prlo->payload_len) - 4) / 16; + } else { + tprlo = (struct fc_tprlo_s *) (fc_frame + 1); + num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16; + } + return num_pages; +} + +u16 +fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + int page; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(tprlo_acc, 0, (num_pages * 16) + 4); + tprlo_acc->command = FC_ELS_ACC; + + tprlo_acc->page_len = 0x10; + tprlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + tprlo_acc->tprlo_acc_params[page].opa_valid = 0; + tprlo_acc->tprlo_acc_params[page].rpa_valid = 0; + tprlo_acc->tprlo_acc_params[page].fc4type_csp = FC_TYPE_FCP; + tprlo_acc->tprlo_acc_params[page].orig_process_assc = 0; + tprlo_acc->tprlo_acc_params[page].resp_process_assc = 0; + } + return (bfa_os_ntohs(tprlo_acc->payload_len)); +} + +u16 +fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc, + u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + int page; + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + memset(prlo_acc, 0, (num_pages * 16) + 4); + prlo_acc->command = FC_ELS_ACC; + prlo_acc->page_len = 0x10; + prlo_acc->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + prlo_acc->prlo_acc_params[page].opa_valid = 0; + prlo_acc->prlo_acc_params[page].rpa_valid = 0; + prlo_acc->prlo_acc_params[page].fc4type_csp = FC_TYPE_FCP; + prlo_acc->prlo_acc_params[page].orig_process_assc = 0; + prlo_acc->prlo_acc_params[page].resp_process_assc = 0; + } + + return (bfa_os_ntohs(prlo_acc->payload_len)); +} + +u16 +fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid, u32 d_id, + u32 s_id, u16 ox_id, u32 data_format) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(rnid, 0, sizeof(struct fc_rnid_cmd_s)); + + rnid->els_cmd.els_code = FC_ELS_RNID; + rnid->node_id_data_format = data_format; + + return (sizeof(struct fc_rnid_cmd_s)); +} + +u16 +fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc, + u32 d_id, u32 s_id, u16 ox_id, + u32 data_format, + struct fc_rnid_common_id_data_s *common_id_data, + struct fc_rnid_general_topology_data_s *gen_topo_data) +{ + memset(rnid_acc, 0, sizeof(struct fc_rnid_acc_s)); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + rnid_acc->els_cmd.els_code = FC_ELS_ACC; + rnid_acc->node_id_data_format = data_format; + rnid_acc->common_id_data_length = + sizeof(struct fc_rnid_common_id_data_s); + rnid_acc->common_id_data = *common_id_data; + + if (data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) { + rnid_acc->specific_id_data_length = + sizeof(struct fc_rnid_general_topology_data_s); + bfa_os_assign(rnid_acc->gen_topology_data, *gen_topo_data); + return (sizeof(struct fc_rnid_acc_s)); + } else { + return (sizeof(struct fc_rnid_acc_s) - + sizeof(struct fc_rnid_general_topology_data_s)); + } + +} + +u16 +fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc, u32 d_id, + u32 s_id, u16 ox_id) +{ + fc_els_req_build(fchs, d_id, s_id, ox_id); + + memset(rpsc, 0, sizeof(struct fc_rpsc_cmd_s)); + + rpsc->els_cmd.els_code = FC_ELS_RPSC; + return (sizeof(struct fc_rpsc_cmd_s)); +} + +u16 +fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rpsc2, + u32 d_id, u32 s_id, u32 *pid_list, + u16 npids) +{ + u32 dctlr_id = FC_DOMAIN_CTRLR(bfa_os_hton3b(d_id)); + int i = 0; + + fc_els_req_build(fchs, bfa_os_hton3b(dctlr_id), s_id, 0); + + memset(rpsc2, 0, sizeof(struct fc_rpsc2_cmd_s)); + + rpsc2->els_cmd.els_code = FC_ELS_RPSC; + rpsc2->token = bfa_os_htonl(FC_BRCD_TOKEN); + rpsc2->num_pids = bfa_os_htons(npids); + for (i = 0; i < npids; i++) + rpsc2->pid_list[i].pid = pid_list[i]; + + return (sizeof(struct fc_rpsc2_cmd_s) + ((npids - 1) * + (sizeof(u32)))); +} + +u16 +fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc, + u32 d_id, u32 s_id, u16 ox_id, + struct fc_rpsc_speed_info_s *oper_speed) +{ + memset(rpsc_acc, 0, sizeof(struct fc_rpsc_acc_s)); + + fc_els_rsp_build(fchs, d_id, s_id, ox_id); + + rpsc_acc->command = FC_ELS_ACC; + rpsc_acc->num_entries = bfa_os_htons(1); + + rpsc_acc->speed_info[0].port_speed_cap = + bfa_os_htons(oper_speed->port_speed_cap); + + rpsc_acc->speed_info[0].port_op_speed = + bfa_os_htons(oper_speed->port_op_speed); + + return (sizeof(struct fc_rpsc_acc_s)); + +} + +/* + * TBD - + * . get rid of unnecessary memsets + */ + +u16 +fc_logo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + len = len; + if (els_cmd->els_code != FC_ELS_ACC) + return FC_PARSE_FAILURE; + + return FC_PARSE_OK; +} + +u16 +fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, wwn_t port_name, wwn_t node_name, + u16 pdu_size) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + bfa_os_memcpy(pdisc, &plogi_tmpl, sizeof(struct fc_logi_s)); + + pdisc->els_cmd.els_code = FC_ELS_PDISC; + fc_els_req_build(fchs, d_id, s_id, ox_id); + + pdisc->csp.rxsz = pdisc->class3.rxsz = bfa_os_htons(pdu_size); + pdisc->port_name = port_name; + pdisc->node_name = node_name; + + return (sizeof(struct fc_logi_s)); +} + +u16 +fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name) +{ + struct fc_logi_s *pdisc = (struct fc_logi_s *) (fchs + 1); + + if (len < sizeof(struct fc_logi_s)) + return (FC_PARSE_LEN_INVAL); + + if (pdisc->els_cmd.els_code != FC_ELS_ACC) + return (FC_PARSE_ACC_INVAL); + + if (!wwn_is_equal(pdisc->port_name, port_name)) + return (FC_PARSE_PWWN_NOT_EQUAL); + + if (!pdisc->class3.class_valid) + return (FC_PARSE_NWWN_NOT_EQUAL); + + if (bfa_os_ntohs(pdisc->class3.rxsz) < (FC_MIN_PDUSZ)) + return (FC_PARSE_RXSZ_INVAL); + + return (FC_PARSE_OK); +} + +u16 +fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, u16 ox_id, + int num_pages) +{ + struct fc_prlo_s *prlo = (struct fc_prlo_s *) (fchs + 1); + int page; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + memset(prlo, 0, (num_pages * 16) + 4); + prlo->command = FC_ELS_PRLO; + prlo->page_len = 0x10; + prlo->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + prlo->prlo_params[page].type = FC_TYPE_FCP; + prlo->prlo_params[page].opa_valid = 0; + prlo->prlo_params[page].rpa_valid = 0; + prlo->prlo_params[page].orig_process_assc = 0; + prlo->prlo_params[page].resp_process_assc = 0; + } + + return (bfa_os_ntohs(prlo->payload_len)); +} + +u16 +fc_prlo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_prlo_acc_s *prlo = (struct fc_prlo_acc_s *) (fchs + 1); + int num_pages = 0; + int page = 0; + + len = len; + + if (prlo->command != FC_ELS_ACC) + return (FC_PARSE_FAILURE); + + num_pages = ((bfa_os_ntohs(prlo->payload_len)) - 4) / 16; + + for (page = 0; page < num_pages; page++) { + if (prlo->prlo_acc_params[page].type != FC_TYPE_FCP) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].opa_valid != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].rpa_valid != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].orig_process_assc != 0) + return FC_PARSE_FAILURE; + + if (prlo->prlo_acc_params[page].resp_process_assc != 0) + return FC_PARSE_FAILURE; + } + return (FC_PARSE_OK); + +} + +u16 +fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, int num_pages, + enum fc_tprlo_type tprlo_type, u32 tpr_id) +{ + struct fc_tprlo_s *tprlo = (struct fc_tprlo_s *) (fchs + 1); + int page; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + memset(tprlo, 0, (num_pages * 16) + 4); + tprlo->command = FC_ELS_TPRLO; + tprlo->page_len = 0x10; + tprlo->payload_len = bfa_os_htons((num_pages * 16) + 4); + + for (page = 0; page < num_pages; page++) { + tprlo->tprlo_params[page].type = FC_TYPE_FCP; + tprlo->tprlo_params[page].opa_valid = 0; + tprlo->tprlo_params[page].rpa_valid = 0; + tprlo->tprlo_params[page].orig_process_assc = 0; + tprlo->tprlo_params[page].resp_process_assc = 0; + if (tprlo_type == FC_GLOBAL_LOGO) { + tprlo->tprlo_params[page].global_process_logout = 1; + } else if (tprlo_type == FC_TPR_LOGO) { + tprlo->tprlo_params[page].tpo_nport_valid = 1; + tprlo->tprlo_params[page].tpo_nport_id = (tpr_id); + } + } + + return (bfa_os_ntohs(tprlo->payload_len)); +} + +u16 +fc_tprlo_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_tprlo_acc_s *tprlo = (struct fc_tprlo_acc_s *) (fchs + 1); + int num_pages = 0; + int page = 0; + + len = len; + + if (tprlo->command != FC_ELS_ACC) + return (FC_PARSE_ACC_INVAL); + + num_pages = (bfa_os_ntohs(tprlo->payload_len) - 4) / 16; + + for (page = 0; page < num_pages; page++) { + if (tprlo->tprlo_acc_params[page].type != FC_TYPE_FCP) + return (FC_PARSE_NOT_FCP); + if (tprlo->tprlo_acc_params[page].opa_valid != 0) + return (FC_PARSE_OPAFLAG_INVAL); + if (tprlo->tprlo_acc_params[page].rpa_valid != 0) + return (FC_PARSE_RPAFLAG_INVAL); + if (tprlo->tprlo_acc_params[page].orig_process_assc != 0) + return (FC_PARSE_OPA_INVAL); + if (tprlo->tprlo_acc_params[page].resp_process_assc != 0) + return (FC_PARSE_RPA_INVAL); + } + return (FC_PARSE_OK); +} + +enum fc_parse_status +fc_rrq_rsp_parse(struct fchs_s *fchs, int len) +{ + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + + len = len; + if (els_cmd->els_code != FC_ELS_ACC) + return FC_PARSE_FAILURE; + + return FC_PARSE_OK; +} + +u16 +fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id, + u16 ox_id, u32 reason_code, + u32 reason_expl) +{ + struct fc_ba_rjt_s *ba_rjt = (struct fc_ba_rjt_s *) (fchs + 1); + + fc_bls_rsp_build(fchs, d_id, s_id, ox_id); + + fchs->cat_info = FC_CAT_BA_RJT; + ba_rjt->reason_code = reason_code; + ba_rjt->reason_expl = reason_expl; + return (sizeof(struct fc_ba_rjt_s)); +} + +static void +fc_gs_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_DIRSERVICE; + cthdr->gs_sub_type = CT_GSSUBTYPE_NAMESERVER; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +static void +fc_gs_fdmi_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_MGMTSERVICE; + cthdr->gs_sub_type = CT_GSSUBTYPE_HBA_MGMTSERVER; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +static void +fc_gs_ms_cthdr_build(struct ct_hdr_s *cthdr, u32 s_id, u16 cmd_code, + u8 sub_type) +{ + bfa_os_memset(cthdr, 0, sizeof(struct ct_hdr_s)); + cthdr->rev_id = CT_GS3_REVISION; + cthdr->gs_type = CT_GSTYPE_MGMTSERVICE; + cthdr->gs_sub_type = sub_type; + cthdr->cmd_rsp_code = bfa_os_htons(cmd_code); +} + +u16 +fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + wwn_t port_name) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidpn_req_s *gidpn = + (struct fcgs_gidpn_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GID_PN); + + bfa_os_memset(gidpn, 0, sizeof(struct fcgs_gidpn_req_s)); + gidpn->port_name = port_name; + return (sizeof(struct fcgs_gidpn_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u32 port_id) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gpnid_req_t *gpnid = (fcgs_gpnid_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GPN_ID); + + bfa_os_memset(gpnid, 0, sizeof(fcgs_gpnid_req_t)); + gpnid->dap = port_id; + return (sizeof(fcgs_gpnid_req_t) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u32 port_id) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gnnid_req_t *gnnid = (fcgs_gnnid_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_GNN_ID); + + bfa_os_memset(gnnid, 0, sizeof(fcgs_gnnid_req_t)); + gnnid->dap = port_id; + return (sizeof(fcgs_gnnid_req_t) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_ct_rsp_parse(struct ct_hdr_s *cthdr) +{ + if (bfa_os_ntohs(cthdr->cmd_rsp_code) != CT_RSP_ACCEPT) { + if (cthdr->reason_code == CT_RSN_LOGICAL_BUSY) + return FC_PARSE_BUSY; + else + return FC_PARSE_FAILURE; + } + + return FC_PARSE_OK; +} + +u16 +fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr, u8 set_br_reg, + u32 s_id, u16 ox_id) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); + + fc_els_req_build(fchs, d_id, s_id, ox_id); + + bfa_os_memset(scr, 0, sizeof(struct fc_scr_s)); + scr->command = FC_ELS_SCR; + scr->reg_func = FC_SCR_REG_FUNC_FULL; + if (set_br_reg) + scr->vu_reg_func = FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE; + + return (sizeof(struct fc_scr_s)); +} + +u16 +fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id, + u16 ox_id) +{ + u32 d_id = bfa_os_hton3b(FC_FABRIC_CONTROLLER); + u16 payldlen; + + fc_els_req_build(fchs, d_id, s_id, ox_id); + rscn->command = FC_ELS_RSCN; + rscn->pagelen = sizeof(rscn->event[0]); + + payldlen = sizeof(u32) + rscn->pagelen; + rscn->payldlen = bfa_os_htons(payldlen); + + rscn->event[0].format = FC_RSCN_FORMAT_PORTID; + rscn->event[0].portid = s_id; + + return (sizeof(struct fc_rscn_pl_s)); +} + +u16 +fc_rftid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + enum bfa_port_role roles) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = + (struct fcgs_rftid_req_s *) (cthdr + 1); + u32 type_value, d_id = bfa_os_hton3b(FC_NAME_SERVER); + u8 index; + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID); + + bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s)); + + rftid->dap = s_id; + + /* By default, FCP FC4 Type is registered */ + index = FC_TYPE_FCP >> 5; + type_value = 1 << (FC_TYPE_FCP % 32); + rftid->fc4_type[index] = bfa_os_htonl(type_value); + + if (roles & BFA_PORT_ROLE_FCP_IPFC) { + index = FC_TYPE_IP >> 5; + type_value = 1 << (FC_TYPE_IP % 32); + rftid->fc4_type[index] |= bfa_os_htonl(type_value); + } + + return (sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 ox_id, u8 *fc4_bitmap, + u32 bitmap_size) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rftid_req_s *rftid = + (struct fcgs_rftid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFT_ID); + + bfa_os_memset(rftid, 0, sizeof(struct fcgs_rftid_req_s)); + + rftid->dap = s_id; + bfa_os_memcpy((void *)rftid->fc4_type, (void *)fc4_bitmap, + (bitmap_size < 32 ? bitmap_size : 32)); + + return (sizeof(struct fcgs_rftid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u8 fc4_type, u8 fc4_ftrs) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rffid_req_s *rffid = + (struct fcgs_rffid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RFF_ID); + + bfa_os_memset(rffid, 0, sizeof(struct fcgs_rffid_req_s)); + + rffid->dap = s_id; + rffid->fc4ftr_bits = fc4_ftrs; + rffid->fc4_type = fc4_type; + + return (sizeof(struct fcgs_rffid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, + u8 *name) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rspnid_req_s *rspnid = + (struct fcgs_rspnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, ox_id); + fc_gs_cthdr_build(cthdr, s_id, GS_RSPN_ID); + + bfa_os_memset(rspnid, 0, sizeof(struct fcgs_rspnid_req_s)); + + rspnid->dap = s_id; + rspnid->spn_len = (u8) strlen((char *)name); + strncpy((char *)rspnid->spn, (char *)name, rspnid->spn_len); + + return (sizeof(struct fcgs_rspnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u8 fc4_type) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_gidft_req_s *gidft = + (struct fcgs_gidft_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + + fc_gs_cthdr_build(cthdr, s_id, GS_GID_FT); + + bfa_os_memset(gidft, 0, sizeof(struct fcgs_gidft_req_s)); + gidft->fc4_type = fc4_type; + gidft->domain_id = 0; + gidft->area_id = 0; + + return (sizeof(struct fcgs_gidft_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + wwn_t port_name) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rpnid_req_s *rpnid = + (struct fcgs_rpnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RPN_ID); + + bfa_os_memset(rpnid, 0, sizeof(struct fcgs_rpnid_req_s)); + rpnid->port_id = port_id; + rpnid->port_name = port_name; + + return (sizeof(struct fcgs_rpnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + wwn_t node_name) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rnnid_req_s *rnnid = + (struct fcgs_rnnid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RNN_ID); + + bfa_os_memset(rnnid, 0, sizeof(struct fcgs_rnnid_req_s)); + rnnid->port_id = port_id; + rnnid->node_name = node_name; + + return (sizeof(struct fcgs_rnnid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + u32 cos) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rcsid_req_s *rcsid = + (struct fcgs_rcsid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RCS_ID); + + bfa_os_memset(rcsid, 0, sizeof(struct fcgs_rcsid_req_s)); + rcsid->port_id = port_id; + rcsid->cos = cos; + + return (sizeof(struct fcgs_rcsid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id, + u8 port_type) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rptid_req_s *rptid = + (struct fcgs_rptid_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RPT_ID); + + bfa_os_memset(rptid, 0, sizeof(struct fcgs_rptid_req_s)); + rptid->port_id = port_id; + rptid->port_type = port_type; + + return (sizeof(struct fcgs_rptid_req_s) + sizeof(struct ct_hdr_s)); +} + +u16 +fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id, u32 port_id) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_ganxt_req_s *ganxt = + (struct fcgs_ganxt_req_s *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_GA_NXT); + + bfa_os_memset(ganxt, 0, sizeof(struct fcgs_ganxt_req_s)); + ganxt->port_id = port_id; + + return (sizeof(struct ct_hdr_s) + sizeof(struct fcgs_ganxt_req_s)); +} + +/* + * Builds fc hdr and ct hdr for FDMI requests. + */ +u16 +fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id, + u16 cmd_code) +{ + + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_fdmi_cthdr_build(cthdr, s_id, cmd_code); + + return (sizeof(struct ct_hdr_s)); +} + +/* + * Given a FC4 Type, this function returns a fc4 type bitmask + */ +void +fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask) +{ + u8 index; + u32 *ptr = (u32 *) bit_mask; + u32 type_value; + + /* + * @todo : Check for bitmask size + */ + + index = fc4_type >> 5; + type_value = 1 << (fc4_type % 32); + ptr[index] = bfa_os_htonl(type_value); + +} + +/* + * GMAL Request + */ +u16 +fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gmal_req_t *gmal = (fcgs_gmal_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GMAL_CMD, + CT_GSSUBTYPE_CFGSERVER); + + bfa_os_memset(gmal, 0, sizeof(fcgs_gmal_req_t)); + gmal->wwn = wwn; + + return (sizeof(struct ct_hdr_s) + sizeof(fcgs_gmal_req_t)); +} + +/* + * GFN (Get Fabric Name) Request + */ +u16 +fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + fcgs_gfn_req_t *gfn = (fcgs_gfn_req_t *) (cthdr + 1); + u32 d_id = bfa_os_hton3b(FC_MGMT_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_ms_cthdr_build(cthdr, s_id, GS_FC_GFN_CMD, + CT_GSSUBTYPE_CFGSERVER); + + bfa_os_memset(gfn, 0, sizeof(fcgs_gfn_req_t)); + gfn->wwn = wwn; + + return (sizeof(struct ct_hdr_s) + sizeof(fcgs_gfn_req_t)); +} -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/