From: Krishna Gudipati <kgudipat@xxxxxxxxxxx>
Change details:
- bfa_fcs_lport.c : Contains the BFA logical port handling logic.
Signed-off-by: Krishna Gudipati <kgudipat@xxxxxxxxxxx>
---
drivers/scsi/bfa/bfa_fcs_lport.c | 5808 ++++++++++++++++++++++++++++++++++++++
1 files changed, 5808 insertions(+), 0 deletions(-)
create mode 100644 drivers/scsi/bfa/bfa_fcs_lport.c
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
new file mode 100644
index 0000000..b522bf3
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -0,0 +1,5808 @@
+/*
+ * Copyright (c) 2005-2010 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_lport.c BFA FCS port
+ */
+
+#include "bfa_fcs.h"
+#include "bfa_fcbuild.h"
+#include "bfa_fc.h"
+#include "bfad_drv.h"
+
+BFA_TRC_FILE(FCS, PORT);
+
+/**
+ * Forward declarations
+ */
+
+static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
+ struct fchs_s *rx_fchs, u8 reason_code,
+ u8 reason_code_expl);
+static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
+ struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
+static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
+ struct fchs_s *rx_fchs,
+ struct fc_echo_s *echo, u16 len);
+static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_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_lport_s *port,
+ struct fc_rnid_general_topology_data_s *gen_topo_data);
+
+static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
+
+static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
+static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
+
+static struct {
+ void (*init) (struct bfa_fcs_lport_s *port);
+ void (*online) (struct bfa_fcs_lport_s *port);
+ void (*offline) (struct bfa_fcs_lport_s *port);
+} __port_action[] = {
+ {
+ bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
+ bfa_fcs_lport_unknown_offline}, {
+ bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
+ bfa_fcs_lport_fab_offline}, {
+ bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
+ bfa_fcs_lport_n2n_offline},
+ };
+
+/**
+ * fcs_port_sm FCS logical port state machine
+ */
+
+enum bfa_fcs_lport_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_lport_sm_uninit(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_event event);
+static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_event event);
+static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_event event);
+static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_event event);
+static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_event event);
+
+static void
+bfa_fcs_lport_sm_uninit(
+ struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_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_lport_sm_init);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_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_lport_sm_online);
+ bfa_fcs_lport_online_actions(port);
+ break;
+
+ case BFA_FCS_PORT_SM_DELETE:
+ bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
+ bfa_fcs_lport_deleted(port);
+ break;
+
+ case BFA_FCS_PORT_SM_OFFLINE:
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_sm_online(
+ struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_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_lport_sm_offline);
+ bfa_fcs_lport_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_lport_sm_uninit);
+ bfa_fcs_lport_deleted(port);
+ } else {
+ bfa_sm_set_state(port, bfa_fcs_lport_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_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_sm_offline(
+ struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_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_lport_sm_online);
+ bfa_fcs_lport_online_actions(port);
+ break;
+
+ case BFA_FCS_PORT_SM_DELETE:
+ if (port->num_rports == 0) {
+ bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
+ bfa_fcs_lport_deleted(port);
+ } else {
+ bfa_sm_set_state(port, bfa_fcs_lport_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_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_sm_deleting(
+ struct bfa_fcs_lport_s *port,
+ enum bfa_fcs_lport_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_lport_sm_uninit);
+ bfa_fcs_lport_deleted(port);
+ }
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+/**
+ * fcs_port_pvt
+ */
+
+/*
+ * Send a LS reject
+ */
+static void
+bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_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->d_id);
+ 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_lport_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_lport_plogi(struct bfa_fcs_lport_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_lport_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_lport_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_lport_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_lport_get_rport_by_pwwn(port, plogi->port_name);
+ if (rport) {
+ /**
+ * Direct Attach P2P mode : handle address assigned by r-port.
+ */
+ if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
+ (memcmp((void *)&bfa_fcs_lport_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_lport_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_lport_echo(struct bfa_fcs_lport_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);
+
+ 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_lport_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, rx_len);
+ 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_lport_rnid(struct bfa_fcs_lport_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_lport_get_pwwn(port);
+ common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
+
+ len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ rx_fchs->s_id, bfa_fcs_lport_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);
+}
+
+/*
+ * Fill out General Topolpgy Discovery Data for RNID ELS.
+ */
+static void
+bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_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_lport_online_actions(struct bfa_fcs_lport_s *port)
+{
+ struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
+ char lpwwn_buf[BFA_STRING_32];
+
+ bfa_trc(port->fcs, port->fabric->oper_type);
+
+ __port_action[port->fabric->fab_type].init(port);
+ __port_action[port->fabric->fab_type].online(port);
+
+ wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
+ BFA_LOG(KERN_INFO, bfad, log_level,
+ "Logical port online: WWN = %s Role = %s\n",
+ lpwwn_buf, "Initiator");
+
+ bfad->bfad_flags |= BFAD_PORT_ONLINE;
+}
+
+static void
+bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
+{
+ struct list_head *qe, *qen;
+ struct bfa_fcs_rport_s *rport;
+ struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
+ char lpwwn_buf[BFA_STRING_32];
+
+ bfa_trc(port->fcs, port->fabric->oper_type);
+
+ __port_action[port->fabric->fab_type].offline(port);
+
+ wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
+ if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE)
+ BFA_LOG(KERN_ERR, bfad, log_level,
+ "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
+ lpwwn_buf, "Initiator");
+ else
+ BFA_LOG(KERN_INFO, bfad, log_level,
+ "Logical port taken offline: WWN = %s Role = %s\n",
+ lpwwn_buf, "Initiator");
+
+ 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_lport_unknown_init(struct bfa_fcs_lport_s *port)
+{
+ bfa_assert(0);
+}
+
+static void
+bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
+{
+ bfa_assert(0);
+}
+
+static void
+bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
+{
+ bfa_assert(0);
+}
+
+static void
+bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
+{
+ struct fchs_s fchs;
+ struct bfa_fcxp_s *fcxp;
+ int len;
+
+ bfa_trc(port->fcs, rx_fchs->d_id);
+ bfa_trc(port->fcs, rx_fchs->s_id);
+
+ fcxp = bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp)
+ return;
+
+ len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
+ rx_fchs->ox_id, 0);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
+ BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
+ FC_MAX_PDUSZ, 0);
+}
+static void
+bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
+{
+ struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
+ char lpwwn_buf[BFA_STRING_32];
+
+ wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
+ BFA_LOG(KERN_INFO, bfad, log_level,
+ "Logical port deleted: WWN = %s Role = %s\n",
+ lpwwn_buf, "Initiator");
+
+ /* Base port will be deleted by the OS driver */
+ if (port->vport) {
+ bfa_fcb_lport_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_lport_modinit(struct bfa_fcs_s *fcs)
+{
+
+}
+
+/**
+ * Module cleanup
+ */
+void
+bfa_fcs_lport_modexit(struct bfa_fcs_s *fcs)
+{
+ bfa_fcs_modexit_comp(fcs);
+}
+
+/**
+ * Unsolicited frame receive handling.
+ */
+void
+bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_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_lport_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_lport_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_lport_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_lport_rnid(lport, fchs,
+ (struct fc_rnid_cmd_s *) els_cmd, len);
+ return;
+ }
+
+ if (fchs->type == FC_TYPE_BLS) {
+ if ((fchs->routing == FC_RTG_BASIC_LINK) &&
+ (fchs->cat_info == FC_CAT_ABTS))
+ bfa_fcs_lport_abts_acc(lport, fchs);
+ return;
+ }
+ /**
+ * look for a matching remote port ID
+ */
+ rport = bfa_fcs_lport_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_lport_scn_process_rscn(lport, fchs, len);
+ return;
+ }
+
+ if (els_cmd->els_code == FC_ELS_LOGO) {
+ /**
+ * @todo Handle LOGO frames received.
+ */
+ return;
+ }
+
+ if (els_cmd->els_code == FC_ELS_PRLI) {
+ /**
+ * @todo Handle PRLI frames received.
+ */
+ return;
+ }
+
+ /**
+ * Unhandled ELS frames. Send a LS_RJT.
+ */
+ bfa_fcs_lport_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_lport_get_rport_by_pid(struct bfa_fcs_lport_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_lport_get_rport_by_pwwn(struct bfa_fcs_lport_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_lport_get_rport_by_nwwn(struct bfa_fcs_lport_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_lport_add_rport(
+ struct bfa_fcs_lport_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_lport_del_rport(
+ struct bfa_fcs_lport_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_lport_online(struct bfa_fcs_lport_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_lport_offline(struct bfa_fcs_lport_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_lport_delete(struct bfa_fcs_lport_s *port)
+{
+ bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
+}
+
+/**
+ * Return TRUE if port is online, else return FALSE
+ */
+bfa_boolean_t
+bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
+{
+ return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
+}
+
+/**
+ * Attach time initialization of logical ports.
+ */
+void
+bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
+ u16 vf_id, struct bfa_fcs_vport_s *vport)
+{
+ lport->fcs = fcs;
+ lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
+ 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;
+}
+
+/**
+ * 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_lport_s *lport,
+ struct bfa_lport_cfg_s *port_cfg)
+{
+ struct bfa_fcs_vport_s *vport = lport->vport;
+ struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
+ char lpwwn_buf[BFA_STRING_32];
+
+ bfa_os_assign(lport->port_cfg, *port_cfg);
+
+ lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
+ lport->port_cfg.roles,
+ lport->fabric->vf_drv,
+ vport ? vport->vport_drv : NULL);
+
+ wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
+ BFA_LOG(KERN_INFO, bfad, log_level,
+ "New logical port created: WWN = %s Role = %s\n",
+ lpwwn_buf, "Initiator");
+
+ bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
+ bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
+}
+
+/**
+ * fcs_lport_api
+ */
+
+void
+bfa_fcs_lport_get_attr(
+ struct bfa_fcs_lport_s *port,
+ struct bfa_lport_attr_s *port_attr)
+{
+ if (bfa_sm_cmp_state(port, bfa_fcs_lport_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->authfail =
+ bfa_fcs_fabric_is_auth_failed(port->fabric);
+ port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
+ memcpy(port_attr->fabric_ip_addr,
+ bfa_fcs_lport_get_fabric_ipaddr(port),
+ BFA_FCS_FABRIC_IPADDR_SZ);
+
+ if (port->vport != NULL) {
+ port_attr->port_type = BFA_PORT_TYPE_VPORT;
+ port_attr->fpma_mac =
+ bfa_lps_get_lp_mac(port->vport->lps);
+ } else {
+ port_attr->fpma_mac =
+ bfa_lps_get_lp_mac(port->fabric->lps);
+ }
+ } else {
+ port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
+ port_attr->state = BFA_LPORT_UNINIT;
+ }
+}
+
+/**
+ * bfa_fcs_lport_fab port fab functions
+ */
+
+/**
+ * Called by port to initialize fabric services of the base port.
+ */
+static void
+bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
+{
+ bfa_fcs_lport_ns_init(port);
+ bfa_fcs_lport_scn_init(port);
+ bfa_fcs_lport_ms_init(port);
+}
+
+/**
+ * Called by port to notify transition to online state.
+ */
+static void
+bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
+{
+ bfa_fcs_lport_ns_online(port);
+ bfa_fcs_lport_scn_online(port);
+}
+
+/**
+ * Called by port to notify transition to offline state.
+ */
+static void
+bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
+{
+ bfa_fcs_lport_ns_offline(port);
+ bfa_fcs_lport_scn_offline(port);
+ bfa_fcs_lport_ms_offline(port);
+}
+
+/**
+ * bfa_fcs_lport_n2n functions
+ */
+
+/**
+ * Called by fcs/port to initialize N2N topology.
+ */
+static void
+bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
+{
+}
+
+/**
+ * Called by fcs/port to notify transition to online state.
+ */
+static void
+bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
+ struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
+ struct bfa_fcs_rport_s *rport;
+
+ bfa_trc(port->fcs, pcfg->pwwn);
+
+ /*
+ * If our PWWN is > than that of the r-port, we have to initiate PLOGI
+ * and assign an Address. if not, we need to wait for its PLOGI.
+ *
+ * If our PWWN is < than that of the remote port, it will send a PLOGI
+ * with the PIDs assigned. The rport state machine take care of this
+ * incoming PLOGI.
+ */
+ if (memcmp
+ ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
+ sizeof(wwn_t)) > 0) {
+ port->pid = N2N_LOCAL_PID;
+ /**
+ * First, check if we know the device by pwwn.
+ */
+ rport = bfa_fcs_lport_get_rport_by_pwwn(port,
+ n2n_port->rem_port_wwn);
+ if (rport) {
+ bfa_trc(port->fcs, rport->pid);
+ bfa_trc(port->fcs, rport->pwwn);
+ rport->pid = N2N_REMOTE_PID;
+ bfa_fcs_rport_online(rport);
+ return;
+ }
+
+ /*
+ * In n2n there can be only one rport. Delete the old one
+ * whose pid should be zero, because it is offline.
+ */
+ if (port->num_rports > 0) {
+ rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
+ bfa_assert(rport != NULL);
+ if (rport) {
+ bfa_trc(port->fcs, rport->pwwn);
+ bfa_fcs_rport_delete(rport);
+ }
+ }
+ bfa_fcs_rport_create(port, N2N_REMOTE_PID);
+ }
+}
+
+/**
+ * Called by fcs/port to notify transition to offline state.
+ */
+static void
+bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
+
+ bfa_trc(port->fcs, port->pid);
+ port->pid = 0;
+ n2n_port->rem_port_wwn = 0;
+ n2n_port->reply_oxid = 0;
+}
+
+#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
+
+/*
+ * forward declarations
+ */
+static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_fdmi_timeout(void *arg);
+static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
+ u8 *pyld);
+static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
+ u8 *pyld);
+static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
+ u8 *pyld);
+static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
+ fdmi, u8 *pyld);
+static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
+static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ struct bfa_fcs_fdmi_port_attr_s *port_attr);
+/**
+ * fcs_fdmi_sm FCS FDMI state machine
+ */
+
+/**
+ * FDMI State Machine events
+ */
+enum port_fdmi_event {
+ FDMISM_EVENT_PORT_ONLINE = 1,
+ FDMISM_EVENT_PORT_OFFLINE = 2,
+ FDMISM_EVENT_RSP_OK = 4,
+ FDMISM_EVENT_RSP_ERROR = 5,
+ FDMISM_EVENT_TIMEOUT = 6,
+ FDMISM_EVENT_RHBA_SENT = 7,
+ FDMISM_EVENT_RPRT_SENT = 8,
+ FDMISM_EVENT_RPA_SENT = 9,
+};
+
+static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_sending_rhba(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rhba_retry(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_sending_rprt(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rprt_retry(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_sending_rpa(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_rpa_retry(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+static void bfa_fcs_lport_fdmi_sm_disabled(
+ struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event);
+/**
+ * Start in offline state - awaiting MS to send start.
+ */
+static void
+bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ fdmi->retry_cnt = 0;
+
+ switch (event) {
+ case FDMISM_EVENT_PORT_ONLINE:
+ if (port->vport) {
+ /*
+ * For Vports, register a new port.
+ */
+ bfa_sm_set_state(fdmi,
+ bfa_fcs_lport_fdmi_sm_sending_rprt);
+ bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
+ } else {
+ /*
+ * For a base port, we should first register the HBA
+ * atribute. The HBA attribute also contains the base
+ * port registration.
+ */
+ bfa_sm_set_state(fdmi,
+ bfa_fcs_lport_fdmi_sm_sending_rhba);
+ bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
+ }
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RHBA_SENT:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RSP_ERROR:
+ /*
+ * if max retries have not been reached, start timer for a
+ * delayed retry
+ */
+ if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(fdmi,
+ bfa_fcs_lport_fdmi_sm_rhba_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->timer,
+ bfa_fcs_lport_fdmi_timeout, fdmi,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ /*
+ * set state to offline
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ }
+ break;
+
+ case FDMISM_EVENT_RSP_OK:
+ /*
+ * Initiate Register Port Attributes
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
+ fdmi->retry_cnt = 0;
+ bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_fcxp_discard(fdmi->fcxp);
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
+ bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_timer_stop(&fdmi->timer);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+/*
+* RPRT : Register Port
+ */
+static void
+bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RPRT_SENT:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RSP_ERROR:
+ /*
+ * if max retries have not been reached, start timer for a
+ * delayed retry
+ */
+ if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(fdmi,
+ bfa_fcs_lport_fdmi_sm_rprt_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->timer,
+ bfa_fcs_lport_fdmi_timeout, fdmi,
+ BFA_FCS_RETRY_TIMEOUT);
+
+ } else {
+ /*
+ * set state to offline
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ fdmi->retry_cnt = 0;
+ }
+ break;
+
+ case FDMISM_EVENT_RSP_OK:
+ fdmi->retry_cnt = 0;
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_fcxp_discard(fdmi->fcxp);
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
+ bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_timer_stop(&fdmi->timer);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+/*
+ * Register Port Attributes
+ */
+static void
+bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RPA_SENT:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_RSP_ERROR:
+ /*
+ * if max retries have not been reached, start timer for a
+ * delayed retry
+ */
+ if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
+ &fdmi->timer,
+ bfa_fcs_lport_fdmi_timeout, fdmi,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ /*
+ * set state to offline
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ fdmi->retry_cnt = 0;
+ }
+ break;
+
+ case FDMISM_EVENT_RSP_OK:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
+ fdmi->retry_cnt = 0;
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_fcxp_discard(fdmi->fcxp);
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
+ bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
+ break;
+
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ bfa_timer_stop(&fdmi->timer);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ switch (event) {
+ case FDMISM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+/**
+ * FDMI is disabled state.
+ */
+static void
+bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
+ enum port_fdmi_event event)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+ bfa_trc(port->fcs, event);
+
+ /* No op State. It can only be enabled at Driver Init. */
+}
+
+/**
+* RHBA : Register HBA Attributes.
+ */
+static void
+bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct fchs_s fchs;
+ int len, attr_len;
+ struct bfa_fcxp_s *fcxp;
+ u8 *pyld;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
+ bfa_fcs_lport_fdmi_send_rhba, fdmi);
+ return;
+ }
+ fdmi->fcxp = fcxp;
+
+ pyld = bfa_fcxp_get_reqbuf(fcxp);
+ bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
+
+ len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
+ FDMI_RHBA);
+
+ attr_len =
+ bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
+ (u8 *) ((struct ct_hdr_s *) pyld
+ + 1));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, (len + attr_len), &fchs,
+ bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
+}
+
+static u16
+bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct bfa_fcs_fdmi_hba_attr_s hba_attr;
+ struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
+ struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
+ struct fdmi_attr_s *attr;
+ u8 *curr_ptr;
+ u16 len, count;
+
+ /*
+ * get hba attributes
+ */
+ bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
+
+ rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
+ rhba->port_list.num_ports = bfa_os_htonl(1);
+ rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);
+
+ len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
+
+ count = 0;
+ len += sizeof(rhba->hba_attr_blk.attr_count);
+
+ /*
+ * fill out the invididual entries of the HBA attrib Block
+ */
+ curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
+
+ /*
+ * Node Name
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME);
+ attr->len = sizeof(wwn_t);
+ memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), attr->len);
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Manufacturer
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER);
+ attr->len = (u16) strlen(fcs_hba_attr->manufacturer);
+ memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Serial Number
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM);
+ attr->len = (u16) strlen(fcs_hba_attr->serial_num);
+ memcpy(attr->value, fcs_hba_attr->serial_num, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Model
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL);
+ attr->len = (u16) strlen(fcs_hba_attr->model);
+ memcpy(attr->value, fcs_hba_attr->model, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Model Desc
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC);
+ attr->len = (u16) strlen(fcs_hba_attr->model_desc);
+ memcpy(attr->value, fcs_hba_attr->model_desc, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * H/W Version
+ */
+ if (fcs_hba_attr->hw_version[0] != '\0') {
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION);
+ attr->len = (u16) strlen(fcs_hba_attr->hw_version);
+ memcpy(attr->value, fcs_hba_attr->hw_version, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+ }
+
+ /*
+ * Driver Version
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION);
+ attr->len = (u16) strlen(fcs_hba_attr->driver_version);
+ memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Option Rom Version
+ */
+ if (fcs_hba_attr->option_rom_ver[0] != '\0') {
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION);
+ attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver);
+ memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+ }
+
+ /*
+ * f/w Version = driver version
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION);
+ attr->len = (u16) strlen(fcs_hba_attr->driver_version);
+ memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * OS Name
+ */
+ if (fcs_hba_attr->os_name[0] != '\0') {
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME);
+ attr->len = (u16) strlen(fcs_hba_attr->os_name);
+ memcpy(attr->value, fcs_hba_attr->os_name, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+ }
+
+ /*
+ * MAX_CT_PAYLOAD
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT);
+ attr->len = sizeof(fcs_hba_attr->max_ct_pyld);
+ memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len);
+ len += attr->len;
+ count++;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Update size of payload
+ */
+ len += ((sizeof(attr->type) +
+ sizeof(attr->len)) * count);
+
+ rhba->hba_attr_blk.attr_count = bfa_os_htonl(count);
+ return len;
+}
+
+static void
+bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi =
+ (struct bfa_fcs_lport_fdmi_s *) cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+}
+
+/**
+* RPRT : Register Port
+ */
+static void
+bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct fchs_s fchs;
+ u16 len, attr_len;
+ struct bfa_fcxp_s *fcxp;
+ u8 *pyld;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
+ bfa_fcs_lport_fdmi_send_rprt, fdmi);
+ return;
+ }
+ fdmi->fcxp = fcxp;
+
+ pyld = bfa_fcxp_get_reqbuf(fcxp);
+ bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
+
+ len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
+ FDMI_RPRT);
+
+ attr_len =
+ bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
+ (u8 *) ((struct ct_hdr_s *) pyld
+ + 1));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len + attr_len, &fchs,
+ bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
+}
+
+/**
+ * This routine builds Port Attribute Block that used in RPA, RPRT commands.
+ */
+static u16
+bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
+ u8 *pyld)
+{
+ struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
+ struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
+ struct fdmi_attr_s *attr;
+ u8 *curr_ptr;
+ u16 len;
+ u8 count = 0;
+
+ /*
+ * get port attributes
+ */
+ bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
+
+ len = sizeof(port_attrib->attr_count);
+
+ /*
+ * fill out the invididual entries
+ */
+ curr_ptr = (u8 *) &port_attrib->port_attr;
+
+ /*
+ * FC4 Types
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES);
+ attr->len = sizeof(fcs_port_attr.supp_fc4_types);
+ memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len);
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * Supported Speed
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED);
+ attr->len = sizeof(fcs_port_attr.supp_speed);
+ memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len);
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * current Port Speed
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED);
+ attr->len = sizeof(fcs_port_attr.curr_speed);
+ memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len);
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * max frame size
+ */
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE);
+ attr->len = sizeof(fcs_port_attr.max_frm_size);
+ memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len);
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+
+ /*
+ * OS Device Name
+ */
+ if (fcs_port_attr.os_device_name[0] != '\0') {
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME);
+ attr->len = (u16) strlen(fcs_port_attr.os_device_name);
+ memcpy(attr->value, fcs_port_attr.os_device_name, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+ }
+ /*
+ * Host Name
+ */
+ if (fcs_port_attr.host_name[0] != '\0') {
+ attr = (struct fdmi_attr_s *) curr_ptr;
+ attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME);
+ attr->len = (u16) strlen(fcs_port_attr.host_name);
+ memcpy(attr->value, fcs_port_attr.host_name, attr->len);
+ attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable
+ *fields need
+ *to be 4 byte
+ *aligned */
+ curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
+ len += attr->len;
+ ++count;
+ attr->len =
+ bfa_os_htons(attr->len + sizeof(attr->type) +
+ sizeof(attr->len));
+ }
+
+ /*
+ * Update size of payload
+ */
+ port_attrib->attr_count = bfa_os_htonl(count);
+ len += ((sizeof(attr->type) +
+ sizeof(attr->len)) * count);
+ return len;
+}
+
+static u16
+bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
+ u16 len;
+
+ rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
+ rprt->port_name = bfa_fcs_lport_get_pwwn(port);
+
+ len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
+ (u8 *) &rprt->port_attr_blk);
+
+ len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
+
+ return len;
+}
+
+static void
+bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi =
+ (struct bfa_fcs_lport_fdmi_s *) cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+}
+
+/**
+* RPA : Register Port Attributes.
+ */
+static void
+bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct fchs_s fchs;
+ u16 len, attr_len;
+ struct bfa_fcxp_s *fcxp;
+ u8 *pyld;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
+ bfa_fcs_lport_fdmi_send_rpa, fdmi);
+ return;
+ }
+ fdmi->fcxp = fcxp;
+
+ pyld = bfa_fcxp_get_reqbuf(fcxp);
+ bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
+
+ len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
+ FDMI_RPA);
+
+ attr_len =
+ bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
+ (u8 *) ((struct ct_hdr_s *) pyld
+ + 1));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len + attr_len, &fchs,
+ bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
+}
+
+static u16
+bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
+ u16 len;
+
+ rpa->port_name = bfa_fcs_lport_get_pwwn(port);
+
+ len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
+ (u8 *) &rpa->port_attr_blk);
+
+ len += sizeof(rpa->port_name);
+
+ return len;
+}
+
+static void
+bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status, u32 rsp_len,
+ u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi =
+ (struct bfa_fcs_lport_fdmi_s *) cbarg;
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
+}
+
+static void
+bfa_fcs_lport_fdmi_timeout(void *arg)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
+
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
+}
+
+void
+bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
+
+ bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
+
+ bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
+ hba_attr->manufacturer);
+ bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
+ hba_attr->serial_num);
+ bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
+ hba_attr->model);
+ bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
+ hba_attr->model_desc);
+ bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
+ hba_attr->hw_version);
+ bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
+ hba_attr->option_rom_ver);
+ bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
+ hba_attr->fw_version);
+
+ strncpy(hba_attr->driver_version, (char *)driver_info->version,
+ sizeof(hba_attr->driver_version));
+
+ strncpy(hba_attr->os_name, driver_info->host_os_name,
+ sizeof(hba_attr->os_name));
+
+ /*
+ * If there is a patch level, append it
+ * to the os name along with a separator
+ */
+ if (driver_info->host_os_patch[0] != '\0') {
+ strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
+ sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
+ strncat(hba_attr->os_name, driver_info->host_os_patch,
+ sizeof(driver_info->host_os_patch));
+ }
+
+ hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ);
+}
+
+void
+bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
+ struct bfa_fcs_fdmi_port_attr_s *port_attr)
+{
+ struct bfa_fcs_lport_s *port = fdmi->ms->port;
+ struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
+ struct bfa_port_attr_s pport_attr;
+
+ bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
+
+ /*
+ * get pport attributes from hal
+ */
+ bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
+
+ /*
+ * get FC4 type Bitmask
+ */
+ fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
+
+ /*
+ * Supported Speeds
+ */
+ port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS);
+
+ /*
+ * Current Speed
+ */
+ port_attr->curr_speed = bfa_os_htonl(pport_attr.speed);
+
+ /*
+ * Max PDU Size.
+ */
+ port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ);
+
+ /*
+ * OS device Name
+ */
+ strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
+ sizeof(port_attr->os_device_name));
+
+ /*
+ * Host name
+ */
+ strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
+ sizeof(port_attr->host_name));
+
+}
+
+
+void
+bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
+
+ fdmi->ms = ms;
+ if (ms->port->fcs->fdmi_enabled)
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
+ else
+ bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
+}
+
+void
+bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
+
+ fdmi->ms = ms;
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
+}
+
+void
+bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
+{
+ struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
+
+ fdmi->ms = ms;
+ bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
+}
+
+#define BFA_FCS_MS_CMD_MAX_RETRIES 2
+
+/*
+ * forward declarations
+ */
+static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ms_timeout(void *arg);
+static void bfa_fcs_lport_ms_plogi_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+
+static void bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ms_gmal_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ms_gfn_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+/**
+ * fcs_ms_sm FCS MS state machine
+ */
+
+/**
+ * MS State Machine events
+ */
+enum port_ms_event {
+ MSSM_EVENT_PORT_ONLINE = 1,
+ MSSM_EVENT_PORT_OFFLINE = 2,
+ MSSM_EVENT_RSP_OK = 3,
+ MSSM_EVENT_RSP_ERROR = 4,
+ MSSM_EVENT_TIMEOUT = 5,
+ MSSM_EVENT_FCXP_SENT = 6,
+ MSSM_EVENT_PORT_FABRIC_RSCN = 7
+};
+
+static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event);
+/**
+ * Start in offline state - awaiting NS to send start.
+ */
+static void
+bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_PORT_ONLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
+ bfa_fcs_lport_ms_send_plogi(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
+ ms->port->stats.ms_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->timer, bfa_fcs_lport_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ /*
+ * since plogi is done, now invoke MS related sub-modules
+ */
+ bfa_fcs_lport_fdmi_online(ms);
+
+ /**
+ * if this is a Vport, go to online state.
+ */
+ if (ms->port->vport) {
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
+ break;
+ }
+
+ /*
+ * For a base port we need to get the
+ * switch's IP address.
+ */
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
+ bfa_fcs_lport_ms_send_gmal(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
+ bfa_fcs_lport_ms_send_plogi(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ break;
+
+ case MSSM_EVENT_PORT_FABRIC_RSCN:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
+ ms->retry_cnt = 0;
+ bfa_fcs_lport_ms_send_gfn(ms, NULL);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
+ ms->port->stats.ms_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->timer, bfa_fcs_lport_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
+ bfa_fcs_lport_ms_send_gfn(ms, NULL);
+ ms->retry_cnt = 0;
+ }
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
+ bfa_fcs_lport_ms_send_gfn(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
+ bfa_fcs_lport_ms_send_gmal(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
+ bfa_fcs_lport_t *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_lport_ms_send_gmal, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_lport_get_fcid(port),
+ bfa_lps_get_peer_nwwn(port->fabric->lps));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ms_gmal_response, (void *)ms,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
+ bfa_fcs_lport_t *port = ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+ struct fcgs_gmal_resp_s *gmal_resp;
+ struct fcgs_gmal_entry_s *gmal_entry;
+ u32 num_entries;
+ u8 *rsp_str;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
+
+ num_entries = bfa_os_ntohl(gmal_resp->ms_len);
+ if (num_entries == 0) {
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+ /*
+ * The response could contain multiple Entries.
+ * Entries for SNMP interface, etc.
+ * We look for the entry with a telnet prefix.
+ * First "http://"; entry refers to IP addr
+ */
+
+ gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
+ while (num_entries > 0) {
+ if (strncmp(gmal_entry->prefix,
+ CT_GMAL_RESP_PREFIX_HTTP,
+ sizeof(gmal_entry->prefix)) == 0) {
+
+ /*
+ * if the IP address is terminating with a '/',
+ * remove it.
+ * Byte 0 consists of the length of the string.
+ */
+ rsp_str = &(gmal_entry->prefix[0]);
+ if (rsp_str[gmal_entry->len-1] == '/')
+ rsp_str[gmal_entry->len-1] = 0;
+
+ /* copy IP Address to fabric */
+ strncpy(bfa_fcs_lport_get_fabric_ipaddr(port),
+ gmal_entry->ip_addr,
+ BFA_FCS_FABRIC_IPADDR_SZ);
+ break;
+ } else {
+ --num_entries;
+ ++gmal_entry;
+ }
+ }
+
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+}
+
+static void
+bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_FCXP_SENT:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
+ ms->port->stats.ms_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
+ &ms->timer, bfa_fcs_lport_ms_timeout, ms,
+ BFA_FCS_RETRY_TIMEOUT);
+ } else {
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
+ ms->retry_cnt = 0;
+ }
+ break;
+
+ case MSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_fcxp_discard(ms->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
+ enum port_ms_event event)
+{
+ bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
+ bfa_trc(ms->port->fcs, event);
+
+ switch (event) {
+ case MSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
+ bfa_fcs_lport_ms_send_gfn(ms, NULL);
+ break;
+
+ case MSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+ bfa_timer_stop(&ms->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ms->port->fcs, event);
+ }
+}
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
+ bfa_fcs_lport_t *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_lport_ms_send_gfn, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_lport_get_fcid(port),
+ bfa_lps_get_peer_nwwn(port->fabric->lps));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ms_gfn_response, (void *)ms,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status, u32 rsp_len,
+ u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
+ bfa_fcs_lport_t *port = ms->port;
+ struct ct_hdr_s *cthdr = NULL;
+ wwn_t *gfn_resp;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ gfn_resp = (wwn_t *)(cthdr + 1);
+ /* check if it has actually changed */
+ if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
+ gfn_resp, sizeof(wwn_t)) != 0)) {
+ bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
+ }
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+}
+
+/**
+ * ms_pvt MS local functions
+ */
+
+static void
+bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
+ struct bfa_fcs_lport_s *port = ms->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ms_plogi_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
+ bfa_fcs_lport_ms_send_plogi, ms);
+ return;
+ }
+ ms->fcxp = fcxp;
+
+ len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_os_hton3b(FC_MGMT_SERVER),
+ bfa_fcs_lport_get_fcid(port), 0,
+ port->port_cfg.pwwn, port->port_cfg.nwwn,
+ bfa_fcport_get_maxfrsize(port->fcs->bfa));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ms_plogi_response, (void *)ms,
+ FC_MAX_PDUSZ, FC_ELS_TOV);
+
+ port->stats.ms_plogi_sent++;
+ bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
+}
+
+static void
+bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ms->port;
+ struct fc_els_cmd_s *els_cmd;
+ struct fc_ls_rjt_s *ls_rjt;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ port->stats.ms_plogi_rsp_err++;
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ switch (els_cmd->els_code) {
+
+ case FC_ELS_ACC:
+ if (rsp_len < sizeof(struct fc_logi_s)) {
+ bfa_trc(port->fcs, rsp_len);
+ port->stats.ms_plogi_acc_err++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ break;
+ }
+ port->stats.ms_plogi_accepts++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
+ break;
+
+ case FC_ELS_LS_RJT:
+ ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ bfa_trc(port->fcs, ls_rjt->reason_code);
+ bfa_trc(port->fcs, ls_rjt->reason_code_expl);
+
+ port->stats.ms_rejects++;
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ break;
+
+ default:
+ port->stats.ms_plogi_unknown_rsp++;
+ bfa_trc(port->fcs, els_cmd->els_code);
+ bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
+ }
+}
+
+static void
+bfa_fcs_lport_ms_timeout(void *arg)
+{
+ struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;
+
+ ms->port->stats.ms_timeouts++;
+ bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
+}
+
+
+void
+bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
+
+ /*
+ * Invoke init routines of sub modules.
+ */
+ bfa_fcs_lport_fdmi_init(ms);
+}
+
+void
+bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
+ bfa_fcs_lport_fdmi_offline(ms);
+}
+
+void
+bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ ms->port = port;
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
+}
+void
+bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
+
+ /* todo. Handle this only when in Online state */
+ if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
+ bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
+}
+
+/**
+ * @page ns_sm_info VPORT NS State Machine
+ *
+ * @section ns_sm_interactions VPORT NS State Machine Interactions
+ *
+ * @section ns_sm VPORT NS State Machine
+ * img ns_sm.jpg
+ */
+
+/*
+ * forward declarations
+ */
+static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_ns_timeout(void *arg);
+static void bfa_fcs_lport_ns_plogi_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_ns_process_gidft_pids(
+ struct bfa_fcs_lport_s *port,
+ u32 *pid_buf, u32 n_pids);
+
+static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
+/**
+ * fcs_ns_sm FCS nameserver interface state machine
+ */
+
+/**
+ * VPort NS State Machine events
+ */
+enum vport_ns_event {
+ NSSM_EVENT_PORT_ONLINE = 1,
+ NSSM_EVENT_PORT_OFFLINE = 2,
+ NSSM_EVENT_PLOGI_SENT = 3,
+ NSSM_EVENT_RSP_OK = 4,
+ NSSM_EVENT_RSP_ERROR = 5,
+ NSSM_EVENT_TIMEOUT = 6,
+ NSSM_EVENT_NS_QUERY = 7,
+ NSSM_EVENT_RSPNID_SENT = 8,
+ NSSM_EVENT_RFTID_SENT = 9,
+ NSSM_EVENT_RFFID_SENT = 10,
+ NSSM_EVENT_GIDFT_SENT = 11,
+};
+
+static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_sending_rspn_id(
+ struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_sending_rft_id(
+ struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_sending_rff_id(
+ struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_sending_gid_ft(
+ struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event);
+/**
+ * Start in offline state - awaiting linkup
+ */
+static void
+bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_PORT_ONLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
+ bfa_fcs_lport_ns_send_plogi(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_PLOGI_SENT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
+ ns->port->stats.ns_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->timer, bfa_fcs_lport_ns_timeout, ns,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case NSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
+ bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_discard(ns->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
+ bfa_fcs_lport_ns_send_plogi(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_timer_stop(&ns->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSPNID_SENT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
+ ns->port->stats.ns_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->timer, bfa_fcs_lport_ns_timeout, ns,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case NSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
+ bfa_fcs_lport_ns_send_rft_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_fcxp_discard(ns->fcxp);
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_TIMEOUT:
+ /*
+ * Retry Timer Expired. Re-send
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
+ bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_timer_stop(&ns->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RFTID_SENT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSP_OK:
+ /* Now move to register FC4 Features */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
+ bfa_fcs_lport_ns_send_rff_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
+ ns->port->stats.ns_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->timer, bfa_fcs_lport_ns_timeout, ns,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_discard(ns->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_TIMEOUT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
+ bfa_fcs_lport_ns_send_rft_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_timer_stop(&ns->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RFFID_SENT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSP_OK:
+
+ /*
+ * If min cfg mode is enabled, we donot initiate rport
+ * discovery with the fabric. Instead, we will retrieve the
+ * boot targets from HAL/FW.
+ */
+ if (__fcs_min_cfg(ns->port->fcs)) {
+ bfa_fcs_lport_ns_boot_target_disc(ns->port);
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
+ return;
+ }
+
+ /*
+ * If the port role is Initiator Mode issue NS query.
+ * If it is Target Mode, skip this and go to online.
+ */
+ if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
+ bfa_sm_set_state(ns,
+ bfa_fcs_lport_ns_sm_sending_gid_ft);
+ bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
+ }
+ /*
+ * kick off mgmt srvr state machine
+ */
+ bfa_fcs_lport_ms_online(ns->port);
+ break;
+
+ case NSSM_EVENT_RSP_ERROR:
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
+ ns->port->stats.ns_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->timer, bfa_fcs_lport_ns_timeout, ns,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_discard(ns->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_TIMEOUT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
+ bfa_fcs_lport_ns_send_rff_id(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_timer_stop(&ns->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+static void
+bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_GIDFT_SENT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_RSP_OK:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
+ break;
+
+ case NSSM_EVENT_RSP_ERROR:
+ /*
+ * TBD: for certain reject codes, we don't need to retry
+ */
+ /*
+ * Start timer for a delayed retry
+ */
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
+ ns->port->stats.ns_retries++;
+ bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
+ &ns->timer, bfa_fcs_lport_ns_timeout, ns,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_fcxp_discard(ns->fcxp);
+ break;
+
+ case NSSM_EVENT_NS_QUERY:
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_TIMEOUT:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
+ bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
+ break;
+
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ bfa_timer_stop(&ns->timer);
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
+ enum vport_ns_event event)
+{
+ bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
+ bfa_trc(ns->port->fcs, event);
+
+ switch (event) {
+ case NSSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+ break;
+
+ case NSSM_EVENT_NS_QUERY:
+ /*
+ * If the port role is Initiator Mode issue NS query.
+ * If it is Target Mode, skip this and go to online.
+ */
+ if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
+ bfa_sm_set_state(ns,
+ bfa_fcs_lport_ns_sm_sending_gid_ft);
+ bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
+ };
+ break;
+
+ default:
+ bfa_sm_fault(ns->port->fcs, event);
+ }
+}
+
+
+
+/**
+ * ns_pvt Nameserver local functions
+ */
+
+static void
+bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ns_plogi_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
+ bfa_fcs_lport_ns_send_plogi, ns);
+ return;
+ }
+ ns->fcxp = fcxp;
+
+ len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_os_hton3b(FC_NAME_SERVER),
+ bfa_fcs_lport_get_fcid(port), 0,
+ port->port_cfg.pwwn, port->port_cfg.nwwn,
+ bfa_fcport_get_maxfrsize(port->fcs->bfa));
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ns_plogi_response, (void *)ns,
+ FC_MAX_PDUSZ, FC_ELS_TOV);
+ port->stats.ns_plogi_sent++;
+
+ bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
+}
+
+static void
+bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status, u32 rsp_len,
+ u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ /* struct fc_logi_s *plogi_resp; */
+ struct fc_els_cmd_s *els_cmd;
+ struct fc_ls_rjt_s *ls_rjt;
+
+ bfa_trc(port->fcs, req_status);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ port->stats.ns_plogi_rsp_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ switch (els_cmd->els_code) {
+
+ case FC_ELS_ACC:
+ if (rsp_len < sizeof(struct fc_logi_s)) {
+ bfa_trc(port->fcs, rsp_len);
+ port->stats.ns_plogi_acc_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ break;
+ }
+ port->stats.ns_plogi_accepts++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ break;
+
+ case FC_ELS_LS_RJT:
+ ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ bfa_trc(port->fcs, ls_rjt->reason_code);
+ bfa_trc(port->fcs, ls_rjt->reason_code_expl);
+
+ port->stats.ns_rejects++;
+
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ break;
+
+ default:
+ port->stats.ns_plogi_unknown_rsp++;
+ bfa_trc(port->fcs, els_cmd->els_code);
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ }
+}
+
+/**
+ * Register the symbolic port name.
+ */
+static void
+bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+ u8 symbl[256];
+ u8 *psymbl = &symbl[0];
+
+ bfa_os_memset(symbl, 0, sizeof(symbl));
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ns_rspnid_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
+ bfa_fcs_lport_ns_send_rspn_id, ns);
+ return;
+ }
+ ns->fcxp = fcxp;
+
+ /*
+ * for V-Port, form a Port Symbolic Name
+ */
+ if (port->vport) {
+ /**
+ * For Vports, we append the vport's port symbolic name
+ * to that of the base port.
+ */
+
+ strncpy((char *)psymbl,
+ (char *) &
+ (bfa_fcs_lport_get_psym_name
+ (bfa_fcs_get_base_port(port->fcs))),
+ strlen((char *) &
+ bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
+ (port->fcs))));
+
+ /* Ensure we have a null terminating string. */
+ ((char *)psymbl)[strlen((char *) &
+ bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port
+ (port->fcs)))] = 0;
+ strncat((char *)psymbl,
+ (char *) &(bfa_fcs_lport_get_psym_name(port)),
+ strlen((char *) &bfa_fcs_lport_get_psym_name(port)));
+ } else {
+ psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
+ }
+
+ len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_lport_get_fcid(port), 0, psymbl);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ port->stats.ns_rspnid_sent++;
+
+ bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
+}
+
+static void
+bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ port->stats.ns_rspnid_rsp_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ port->stats.ns_rspnid_accepts++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ port->stats.ns_rspnid_rejects++;
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+}
+
+/**
+ * Register FC4-Types
+ */
+static void
+bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ns_rftid_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
+ bfa_fcs_lport_ns_send_rft_id, ns);
+ return;
+ }
+ ns->fcxp = fcxp;
+
+ len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ns_rft_id_response, (void *)ns,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ port->stats.ns_rftid_sent++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
+}
+
+static void
+bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ port->stats.ns_rftid_rsp_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ port->stats.ns_rftid_accepts++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ port->stats.ns_rftid_rejects++;
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+}
+
+/**
+ * Register FC4-Features : Should be done after RFT_ID
+ */
+static void
+bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+ u8 fc4_ftrs = 0;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ns_rffid_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
+ bfa_fcs_lport_ns_send_rff_id, ns);
+ return;
+ }
+ ns->fcxp = fcxp;
+
+ if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
+ fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;
+
+ len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_fcs_lport_get_fcid(port), 0,
+ FC_TYPE_FCP, fc4_ftrs);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ns_rff_id_response, (void *)ns,
+ FC_MAX_PDUSZ, FC_FCCT_TOV);
+
+ port->stats.ns_rffid_sent++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
+}
+
+static void
+bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct ct_hdr_s *cthdr = NULL;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ port->stats.ns_rffid_rsp_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
+ port->stats.ns_rffid_accepts++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ return;
+ }
+
+ port->stats.ns_rffid_rejects++;
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+
+ if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
+ /* if this command is not supported, we don't retry */
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ } else
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+}
+/**
+ * Query Fabric for FC4-Types Devices.
+ *
+* TBD : Need to use a local (FCS private) response buffer, since the response
+ * can be larger than 2K.
+ */
+static void
+bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ port->stats.ns_gidft_alloc_wait++;
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
+ bfa_fcs_lport_ns_send_gid_ft, ns);
+ return;
+ }
+ ns->fcxp = fcxp;
+
+ /*
+ * This query is only initiated for FCP initiator mode.
+ */
+ len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ ns->port->pid, FC_TYPE_FCP);
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
+ bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);
+
+ port->stats.ns_gidft_sent++;
+
+ bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
+}
+
+static void
+bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status,
+ u32 rsp_len, u32 resid_len,
+ struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
+ struct bfa_fcs_lport_s *port = ns->port;
+ struct ct_hdr_s *cthdr = NULL;
+ u32 n_pids;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ port->stats.ns_gidft_rsp_err++;
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ if (resid_len != 0) {
+ /*
+ * TBD : we will need to allocate a larger buffer & retry the
+ * command
+ */
+ bfa_trc(port->fcs, rsp_len);
+ bfa_trc(port->fcs, resid_len);
+ return;
+ }
+
+ cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
+ cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
+
+ switch (cthdr->cmd_rsp_code) {
+
+ case CT_RSP_ACCEPT:
+
+ port->stats.ns_gidft_accepts++;
+ n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
+ bfa_trc(port->fcs, n_pids);
+ bfa_fcs_lport_ns_process_gidft_pids(port,
+ (u32 *) (cthdr + 1),
+ n_pids);
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ break;
+
+ case CT_RSP_REJECT:
+
+ /*
+ * Check the reason code & explanation.
+ * There may not have been any FC4 devices in the fabric
+ */
+ port->stats.ns_gidft_rejects++;
+ bfa_trc(port->fcs, cthdr->reason_code);
+ bfa_trc(port->fcs, cthdr->exp_code);
+
+ if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
+ && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {
+
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
+ } else {
+ /*
+ * for all other errors, retry
+ */
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ }
+ break;
+
+ default:
+ port->stats.ns_gidft_unknown_rsp++;
+ bfa_trc(port->fcs, cthdr->cmd_rsp_code);
+ bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
+ }
+}
+
+/**
+ * This routine will be called by bfa_timer on timer timeouts.
+ *
+ * param[in] port - pointer to bfa_fcs_lport_t.
+ *
+ * return
+ * void
+ *
+ * Special Considerations:
+ *
+ * note
+ */
+static void
+bfa_fcs_lport_ns_timeout(void *arg)
+{
+ struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;
+
+ ns->port->stats.ns_timeouts++;
+ bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
+}
+
+/*
+ * Process the PID list in GID_FT response
+ */
+static void
+bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
+ u32 n_pids)
+{
+ struct fcgs_gidft_resp_s *gidft_entry;
+ struct bfa_fcs_rport_s *rport;
+ u32 ii;
+
+ for (ii = 0; ii < n_pids; ii++) {
+ gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];
+
+ if (gidft_entry->pid == port->pid)
+ continue;
+
+ /*
+ * Check if this rport already exists
+ */
+ rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
+ if (rport == NULL) {
+ /*
+ * this is a new device. create rport
+ */
+ rport = bfa_fcs_rport_create(port, gidft_entry->pid);
+ } else {
+ /*
+ * this rport already exists
+ */
+ bfa_fcs_rport_scn(rport);
+ }
+
+ bfa_trc(port->fcs, gidft_entry->pid);
+
+ /*
+ * if the last entry bit is set, bail out.
+ */
+ if (gidft_entry->last)
+ return;
+ }
+}
+
+/**
+ * fcs_ns_public FCS nameserver public interfaces
+ */
+
+/*
+ * Functions called by port/fab.
+ * These will send relevant Events to the ns state machine.
+ */
+void
+bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
+
+ ns->port = port;
+ bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
+}
+
+void
+bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
+
+ ns->port = port;
+ bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
+}
+
+void
+bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
+
+ ns->port = port;
+ bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
+}
+
+void
+bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);
+
+ bfa_trc(port->fcs, port->pid);
+ bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
+}
+
+void
+bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
+{
+
+ struct bfa_fcs_rport_s *rport;
+ u8 nwwns;
+ wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX];
+ int ii;
+
+ bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);
+
+ for (ii = 0 ; ii < nwwns; ++ii) {
+ rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
+ bfa_assert(rport);
+ }
+}
+
+/**
+ * FCS SCN
+ */
+
+#define FC_QOS_RSCN_EVENT 0x0c
+#define FC_FABRIC_NAME_RSCN_EVENT 0x0d
+
+/*
+ * forward declarations
+ */
+static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
+ struct bfa_fcxp_s *fcxp_alloced);
+static void bfa_fcs_lport_scn_scr_response(void *fcsarg,
+ struct bfa_fcxp_s *fcxp,
+ void *cbarg,
+ bfa_status_t req_status,
+ u32 rsp_len,
+ u32 resid_len,
+ struct fchs_s *rsp_fchs);
+static void bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
+ struct fchs_s *rx_fchs);
+static void bfa_fcs_lport_scn_timeout(void *arg);
+
+/**
+ * fcs_scm_sm FCS SCN state machine
+ */
+
+/**
+ * VPort SCN State Machine events
+ */
+enum port_scn_event {
+ SCNSM_EVENT_PORT_ONLINE = 1,
+ SCNSM_EVENT_PORT_OFFLINE = 2,
+ SCNSM_EVENT_RSP_OK = 3,
+ SCNSM_EVENT_RSP_ERROR = 4,
+ SCNSM_EVENT_TIMEOUT = 5,
+ SCNSM_EVENT_SCR_SENT = 6,
+};
+
+static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event);
+static void bfa_fcs_lport_scn_sm_sending_scr(
+ struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event);
+static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event);
+static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event);
+static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event);
+
+/**
+ * Starting state - awaiting link up.
+ */
+static void
+bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event)
+{
+ switch (event) {
+ case SCNSM_EVENT_PORT_ONLINE:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
+ bfa_fcs_lport_scn_send_scr(scn, NULL);
+ break;
+
+ case SCNSM_EVENT_PORT_OFFLINE:
+ break;
+
+ default:
+ bfa_sm_fault(scn->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event)
+{
+ switch (event) {
+ case SCNSM_EVENT_SCR_SENT:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
+ break;
+
+ case SCNSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
+ bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
+ break;
+
+ default:
+ bfa_sm_fault(scn->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event)
+{
+ struct bfa_fcs_lport_s *port = scn->port;
+
+ switch (event) {
+ case SCNSM_EVENT_RSP_OK:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
+ break;
+
+ case SCNSM_EVENT_RSP_ERROR:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
+ bfa_timer_start(port->fcs->bfa, &scn->timer,
+ bfa_fcs_lport_scn_timeout, scn,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case SCNSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
+ bfa_fcxp_discard(scn->fcxp);
+ break;
+
+ default:
+ bfa_sm_fault(port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event)
+{
+ switch (event) {
+ case SCNSM_EVENT_TIMEOUT:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
+ bfa_fcs_lport_scn_send_scr(scn, NULL);
+ break;
+
+ case SCNSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
+ bfa_timer_stop(&scn->timer);
+ break;
+
+ default:
+ bfa_sm_fault(scn->port->fcs, event);
+ }
+}
+
+static void
+bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
+ enum port_scn_event event)
+{
+ switch (event) {
+ case SCNSM_EVENT_PORT_OFFLINE:
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
+ break;
+
+ default:
+ bfa_sm_fault(scn->port->fcs, event);
+ }
+}
+
+
+
+/**
+ * fcs_scn_private FCS SCN private functions
+ */
+
+/**
+ * This routine will be called to send a SCR command.
+ */
+static void
+bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
+{
+ struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
+ struct bfa_fcs_lport_s *port = scn->port;
+ struct fchs_s fchs;
+ int len;
+ struct bfa_fcxp_s *fcxp;
+
+ bfa_trc(port->fcs, port->pid);
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
+ if (!fcxp) {
+ bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
+ bfa_fcs_lport_scn_send_scr, scn);
+ return;
+ }
+ scn->fcxp = fcxp;
+
+ /* Handle VU registrations for Base port only */
+ if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
+ len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ bfa_lps_is_brcd_fabric(port->fabric->lps),
+ port->pid, 0);
+ } else {
+ len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ BFA_FALSE,
+ port->pid, 0);
+ }
+
+ bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
+ FC_CLASS_3, len, &fchs,
+ bfa_fcs_lport_scn_scr_response,
+ (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);
+
+ bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
+}
+
+static void
+bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
+ void *cbarg, bfa_status_t req_status, u32 rsp_len,
+ u32 resid_len, struct fchs_s *rsp_fchs)
+{
+ struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
+ struct bfa_fcs_lport_s *port = scn->port;
+ struct fc_els_cmd_s *els_cmd;
+ struct fc_ls_rjt_s *ls_rjt;
+
+ bfa_trc(port->fcs, port->port_cfg.pwwn);
+
+ /*
+ * Sanity Checks
+ */
+ if (req_status != BFA_STATUS_OK) {
+ bfa_trc(port->fcs, req_status);
+ bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
+ return;
+ }
+
+ els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ switch (els_cmd->els_code) {
+
+ case FC_ELS_ACC:
+ bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
+ break;
+
+ case FC_ELS_LS_RJT:
+
+ ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
+
+ bfa_trc(port->fcs, ls_rjt->reason_code);
+ bfa_trc(port->fcs, ls_rjt->reason_code_expl);
+
+ bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
+ break;
+
+ default:
+ bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
+ }
+}
+
+/*
+ * Send a LS Accept
+ */
+static void
+bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
+ struct fchs_s *rx_fchs)
+{
+ 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_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
+ rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
+ rx_fchs->ox_id);
+
+ 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);
+}
+
+/**
+ * This routine will be called by bfa_timer on timer timeouts.
+ *
+ * param[in] vport - pointer to bfa_fcs_lport_t.
+ * param[out] vport_status - pointer to return vport status in
+ *
+ * return
+ * void
+ *
+ * Special Considerations:
+ *
+ * note
+ */
+static void
+bfa_fcs_lport_scn_timeout(void *arg)
+{
+ struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;
+
+ bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
+}
+
+
+
+/**
+ * fcs_scn_public FCS state change notification public interfaces
+ */
+
+/*
+ * Functions called by port/fab
+ */
+void
+bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
+
+ scn->port = port;
+ bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
+}
+
+void
+bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
+
+ scn->port = port;
+ bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
+}
+
+void
+bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port)
+{
+ struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);
+
+ scn->port = port;
+ bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
+}
+
+static void
+bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
+{
+ struct bfa_fcs_rport_s *rport;
+
+ bfa_trc(port->fcs, rpid);
+
+ /**
+ * If this is an unknown device, then it just came online.
+ * Otherwise let rport handle the RSCN event.
+ */
+ rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
+ if (rport == NULL) {
+ /*
+ * If min cfg mode is enabled, we donot need to
+ * discover any new rports.
+ */
+ if (!__fcs_min_cfg(port->fcs))
+ rport = bfa_fcs_rport_create(port, rpid);
+ } else
+ bfa_fcs_rport_scn(rport);
+}
+
+/**
+ * rscn format based PID comparison
+ */
+#define __fc_pid_match(__c0, __c1, __fmt) \
+ (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \
+ (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \
+ ((__c0)[0] == (__c1)[0])) || \
+ (((__fmt) == FC_RSCN_FORMAT_AREA) && \
+ ((__c0)[0] == (__c1)[0]) && \
+ ((__c0)[1] == (__c1)[1])))
+
+static void
+bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
+ enum fc_rscn_format format,
+ u32 rscn_pid)
+{
+ struct bfa_fcs_rport_s *rport;
+ struct list_head *qe, *qe_next;
+ u8 *c0, *c1;
+
+ bfa_trc(port->fcs, format);
+ bfa_trc(port->fcs, rscn_pid);
+
+ c0 = (u8 *) &rscn_pid;
+
+ list_for_each_safe(qe, qe_next, &port->rport_q) {
+ rport = (struct bfa_fcs_rport_s *) qe;
+ c1 = (u8 *) &rport->pid;
+ if (__fc_pid_match(c0, c1, format))
+ bfa_fcs_rport_scn(rport);
+ }
+}
+
+
+void
+bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
+ struct fchs_s *fchs, u32 len)
+{
+ struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
+ int num_entries;
+ u32 rscn_pid;
+ bfa_boolean_t nsquery = BFA_FALSE, found;
+ int i = 0, j;
+
+ num_entries =
+ (bfa_os_ntohs(rscn->payldlen) -
+ sizeof(u32)) / sizeof(rscn->event[0]);
+
+ bfa_trc(port->fcs, num_entries);
+
+ port->stats.num_rscn++;
+
+ bfa_fcs_lport_scn_send_ls_acc(port, fchs);
+
+ for (i = 0; i < num_entries; i++) {
+ rscn_pid = rscn->event[i].portid;
+
+ bfa_trc(port->fcs, rscn->event[i].format);
+ bfa_trc(port->fcs, rscn_pid);
+
+ /* check for duplicate entries in the list */
+ found = BFA_FALSE;
+ for (j = 0; j < i; j++) {
+ if (rscn->event[j].portid == rscn_pid) {
+ found = BFA_TRUE;
+ break;
+ }
+ }
+
+ /* if found in down the list, pid has been already processed */
+ if (found) {
+ bfa_trc(port->fcs, rscn_pid);
+ continue;
+ }
+
+ switch (rscn->event[i].format) {
+ case FC_RSCN_FORMAT_PORTID:
+ if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
+ /*
+ * Ignore this event.
+ * f/w would have processed it
+ */
+ bfa_trc(port->fcs, rscn_pid);
+ } else {
+ port->stats.num_portid_rscn++;
+ bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
+ }
+ break;
+
+ case FC_RSCN_FORMAT_FABRIC:
+ if (rscn->event[i].qualifier ==
+ FC_FABRIC_NAME_RSCN_EVENT) {
+ bfa_fcs_lport_ms_fabric_rscn(port);
+ break;
+ }
+ /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */
+
+ case FC_RSCN_FORMAT_AREA:
+ case FC_RSCN_FORMAT_DOMAIN:
+ nsquery = BFA_TRUE;
+ bfa_fcs_lport_scn_multiport_rscn(port,
+ rscn->event[i].format,
+ rscn_pid);
+ break;
+
+
+ default:
+ bfa_assert(0);
+ nsquery = BFA_TRUE;
+ }
+ }
+
+ /**
+ * If any of area, domain or fabric RSCN is received, do a fresh discovery
+ * to find new devices.
+ */
+ if (nsquery)
+ bfa_fcs_lport_ns_query(port);
+}
+
+/**
+ * BFA FCS port
+ */
+/**
+ * fcs_port_api BFA FCS port API
+ */
+struct bfa_fcs_lport_s *
+bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
+{
+ return &fcs->fabric.bport;
+}
+
+wwn_t
+bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index,
+ int nrports, bfa_boolean_t bwwn)
+{
+ struct list_head *qh, *qe;
+ struct bfa_fcs_rport_s *rport = NULL;
+ int i;
+ struct bfa_fcs_s *fcs;
+
+ if (port == NULL || nrports == 0)
+ return (wwn_t) 0;
+
+ fcs = port->fcs;
+ bfa_trc(fcs, (u32) nrports);
+
+ i = 0;
+ qh = &port->rport_q;
+ qe = bfa_q_first(qh);
+
+ while ((qe != qh) && (i < nrports)) {
+ rport = (struct bfa_fcs_rport_s *) qe;
+ if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
+ qe = bfa_q_next(qe);
+ bfa_trc(fcs, (u32) rport->pwwn);
+ bfa_trc(fcs, rport->pid);
+ bfa_trc(fcs, i);
+ continue;
+ }
+
+ if (bwwn) {
+ if (!memcmp(&wwn, &rport->pwwn, 8))
+ break;
+ } else {
+ if (i == index)
+ break;
+ }
+
+ i++;
+ qe = bfa_q_next(qe);
+ }
+
+ bfa_trc(fcs, i);
+ if (rport)
+ return rport->pwwn;
+ else
+ return (wwn_t) 0;
+}
+
+void
+bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port,
+ wwn_t rport_wwns[], int *nrports)
+{
+ struct list_head *qh, *qe;
+ struct bfa_fcs_rport_s *rport = NULL;
+ int i;
+ struct bfa_fcs_s *fcs;
+
+ if (port == NULL || rport_wwns == NULL || *nrports == 0)
+ return;
+
+ fcs = port->fcs;
+ bfa_trc(fcs, (u32) *nrports);
+
+ i = 0;
+ qh = &port->rport_q;
+ qe = bfa_q_first(qh);
+
+ while ((qe != qh) && (i < *nrports)) {
+ rport = (struct bfa_fcs_rport_s *) qe;
+ if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
+ qe = bfa_q_next(qe);
+ bfa_trc(fcs, (u32) rport->pwwn);
+ bfa_trc(fcs, rport->pid);
+ bfa_trc(fcs, i);
+ continue;
+ }
+
+ rport_wwns[i] = rport->pwwn;
+
+ i++;
+ qe = bfa_q_next(qe);
+ }
+
+ bfa_trc(fcs, i);
+ *nrports = i;
+}
+
+/*
+ * Iterate's through all the rport's in the given port to
+ * determine the maximum operating speed.
+ *
+ * !!!! To be used in TRL Functionality only !!!!
+ */
+bfa_port_speed_t
+bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
+{
+ struct list_head *qh, *qe;
+ struct bfa_fcs_rport_s *rport = NULL;
+ struct bfa_fcs_s *fcs;
+ bfa_port_speed_t max_speed = 0;
+ struct bfa_port_attr_s port_attr;
+ bfa_port_speed_t port_speed, rport_speed;
+ bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);
+
+
+ if (port == NULL)
+ return 0;
+
+ fcs = port->fcs;
+
+ /* Get Physical port's current speed */
+ bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
+ port_speed = port_attr.speed;
+ bfa_trc(fcs, port_speed);
+
+ qh = &port->rport_q;
+ qe = bfa_q_first(qh);
+
+ while (qe != qh) {
+ rport = (struct bfa_fcs_rport_s *) qe;
+ if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) ||
+ (bfa_fcs_rport_get_state(rport) ==
+ BFA_RPORT_OFFLINE)) {
+ qe = bfa_q_next(qe);
+ continue;
+ }
+
+ rport_speed = rport->rpf.rpsc_speed;
+ if ((trl_enabled) && (rport_speed ==
+ BFA_PORT_SPEED_UNKNOWN)) {
+ /* Use default ratelim speed setting */
+ rport_speed =
+ bfa_fcport_get_ratelim_speed(port->fcs->bfa);
+ }
+
+ if ((rport_speed == BFA_PORT_SPEED_8GBPS) ||
+ (rport_speed > port_speed)) {
+ max_speed = rport_speed;
+ break;
+ } else if (rport_speed > max_speed) {
+ max_speed = rport_speed;
+ }
+
+ qe = bfa_q_next(qe);
+ }
+
+ bfa_trc(fcs, max_speed);
+ return max_speed;
+}
+
+struct bfa_fcs_lport_s *
+bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
+{
+ struct bfa_fcs_vport_s *vport;
+ bfa_fcs_vf_t *vf;
+
+ bfa_assert(fcs != NULL);
+
+ vf = bfa_fcs_vf_lookup(fcs, vf_id);
+ if (vf == NULL) {
+ bfa_trc(fcs, vf_id);
+ return NULL;
+ }
+
+ if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
+ return &vf->bport;
+
+ vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
+ if (vport)
+ return &vport->lport;
+
+ return NULL;
+}
+
+/*
+ * API corresponding to NPIV_VPORT_GETINFO.
+ */
+void
+bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port,
+ struct bfa_lport_info_s *port_info)
+{
+
+ bfa_trc(port->fcs, port->fabric->fabric_name);
+
+ if (port->vport == NULL) {
+ /*
+ * This is a Physical port
+ */
+ port_info->port_type = BFA_LPORT_TYPE_PHYSICAL;
+
+ /*
+ * @todo : need to fix the state & reason
+ */
+ port_info->port_state = 0;
+ port_info->offline_reason = 0;
+
+ port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
+ port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
+
+ port_info->max_vports_supp =
+ bfa_lps_get_max_vport(port->fcs->bfa);
+ port_info->num_vports_inuse =
+ bfa_fcs_fabric_vport_count(port->fabric);
+ port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
+ port_info->num_rports_inuse = port->num_rports;
+ } else {
+ /*
+ * This is a virtual port
+ */
+ port_info->port_type = BFA_LPORT_TYPE_VIRTUAL;
+
+ /*
+ * @todo : need to fix the state & reason
+ */
+ port_info->port_state = 0;
+ port_info->offline_reason = 0;
+
+ port_info->port_wwn = bfa_fcs_lport_get_pwwn(port);
+ port_info->node_wwn = bfa_fcs_lport_get_nwwn(port);
+ }
+}
+
+void
+bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
+ struct bfa_lport_stats_s *port_stats)
+{
+ *port_stats = fcs_port->stats;
+}
+
+void
+bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
+{
+ bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
+}
+
+/**
+ * FCS virtual port state machine
+ */
+
+#define __vport_fcs(__vp) ((__vp)->lport.fcs)
+#define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn)
+#define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn)
+#define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa)
+#define __vport_fcid(__vp) ((__vp)->lport.pid)
+#define __vport_fabric(__vp) ((__vp)->lport.fabric)
+#define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id)
+
+#define BFA_FCS_VPORT_MAX_RETRIES 5
+/*
+ * Forward declarations
+ */
+static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
+static void bfa_fcs_vport_timeout(void *vport_arg);
+static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
+static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);
+
+/**
+ * fcs_vport_sm FCS virtual port state machine
+ */
+
+/**
+ * VPort State Machine events
+ */
+enum bfa_fcs_vport_event {
+ BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */
+ BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */
+ BFA_FCS_VPORT_SM_START = 3, /* vport start request */
+ BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */
+ BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */
+ BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */
+ BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */
+ BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */
+ BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */
+ BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */
+ BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */
+ BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/
+ BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */
+};
+
+static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event);
+
+static struct bfa_sm_table_s vport_sm_table[] = {
+ {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
+ {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
+ {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
+ {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
+ {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
+ {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
+ {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
+ {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
+ {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
+ {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
+};
+
+/**
+ * Beginning state.
+ */
+static void
+bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_CREATE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
+ bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Created state - a start event is required to start up the state machine.
+ */
+static void
+bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_START:
+ if (bfa_fcs_fabric_is_online(__vport_fabric(vport))
+ && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
+ bfa_fcs_vport_do_fdisc(vport);
+ } else {
+ /**
+ * Fabric is offline or not NPIV capable, stay in
+ * offline state.
+ */
+ vport->vport_stats.fab_no_npiv++;
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
+ }
+ break;
+
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_ONLINE:
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ /**
+ * Ignore ONLINE/OFFLINE events from fabric
+ * till vport is started.
+ */
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Offline state - awaiting ONLINE event from fabric SM.
+ */
+static void
+bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_ONLINE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
+ vport->fdisc_retries = 0;
+ bfa_fcs_vport_do_fdisc(vport);
+ break;
+
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ /*
+ * This can happen if the vport couldn't be initialzied
+ * due the fact that the npiv was not enabled on the switch.
+ * In that case we will put the vport in offline state.
+ * However, the link can go down and cause the this event to
+ * be sent when we are already offline. Ignore it.
+ */
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+
+/**
+ * FDISC is sent and awaiting reply from fabric.
+ */
+static void
+bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ bfa_lps_discard(vport->lps);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
+ bfa_lps_discard(vport->lps);
+ break;
+
+ case BFA_FCS_VPORT_SM_RSP_OK:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
+ bfa_fcs_lport_online(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_RSP_ERROR:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
+ bfa_timer_start(__vport_bfa(vport), &vport->timer,
+ bfa_fcs_vport_timeout, vport,
+ BFA_FCS_RETRY_TIMEOUT);
+ break;
+
+ case BFA_FCS_VPORT_SM_RSP_FAILED:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
+ break;
+
+ case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * FDISC attempt failed - a timer is active to retry FDISC.
+ */
+static void
+bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ bfa_timer_stop(&vport->timer);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
+ bfa_timer_stop(&vport->timer);
+ break;
+
+ case BFA_FCS_VPORT_SM_TIMEOUT:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
+ vport->vport_stats.fdisc_retries++;
+ vport->fdisc_retries++;
+ bfa_fcs_vport_do_fdisc(vport);
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Vport is online (FDISC is complete).
+ */
+static void
+bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
+ bfa_lps_discard(vport->lps);
+ bfa_fcs_lport_offline(&vport->lport);
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Vport is being deleted - awaiting lport delete completion to send
+ * LOGO to fabric.
+ */
+static void
+bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ break;
+
+ case BFA_FCS_VPORT_SM_DELCOMP:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
+ bfa_fcs_vport_do_logo(vport);
+ break;
+
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Error State.
+ * This state will be set when the Vport Creation fails due
+ * to errors like Dup WWN. In this state only operation allowed
+ * is a Vport Delete.
+ */
+static void
+bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELETE:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
+ bfa_fcs_lport_delete(&vport->lport);
+ break;
+
+ default:
+ bfa_trc(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * Lport cleanup is in progress since vport is being deleted. Fabric is
+ * offline, so no LOGO is needed to complete vport deletion.
+ */
+static void
+bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_DELCOMP:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
+ bfa_fcs_vport_free(vport);
+ break;
+
+ case BFA_FCS_VPORT_SM_DELETE:
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+/**
+ * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
+ * is done.
+ */
+static void
+bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
+ enum bfa_fcs_vport_event event)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), event);
+
+ switch (event) {
+ case BFA_FCS_VPORT_SM_OFFLINE:
+ bfa_lps_discard(vport->lps);
+ /*
+ * !!! fall through !!!
+ */
+
+ case BFA_FCS_VPORT_SM_RSP_OK:
+ case BFA_FCS_VPORT_SM_RSP_ERROR:
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
+ bfa_fcs_vport_free(vport);
+ break;
+
+ case BFA_FCS_VPORT_SM_DELETE:
+ break;
+
+ default:
+ bfa_sm_fault(__vport_fcs(vport), event);
+ }
+}
+
+
+
+/**
+ * fcs_vport_private FCS virtual port private functions
+ */
+/**
+ * This routine will be called to send a FDISC command.
+ */
+static void
+bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
+{
+ bfa_lps_fdisc(vport->lps, vport,
+ bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
+ __vport_pwwn(vport), __vport_nwwn(vport));
+ vport->vport_stats.fdisc_sent++;
+}
+
+static void
+bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
+{
+ u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps);
+ u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps);
+
+ bfa_trc(__vport_fcs(vport), lsrjt_rsn);
+ bfa_trc(__vport_fcs(vport), lsrjt_expl);
+
+ /* For certain reason codes, we don't want to retry. */
+ switch (bfa_lps_get_lsrjt_expl(vport->lps)) {
+ case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
+ case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
+ if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+ else
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
+ break;
+
+ case FC_LS_RJT_EXP_INSUFF_RES:
+ /*
+ * This means max logins per port/switch setting on the
+ * switch was exceeded.
+ */
+ if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+ else
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
+ break;
+
+ default:
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+ }
+}
+
+/**
+ * Called to send a logout to the fabric. Used when a V-Port is
+ * deleted/stopped.
+ */
+static void
+bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
+{
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+
+ vport->vport_stats.logo_sent++;
+ bfa_lps_fdisclogo(vport->lps);
+}
+
+
+/**
+ * This routine will be called by bfa_timer on timer timeouts.
+ *
+ * param[in] vport - pointer to bfa_fcs_vport_t.
+ * param[out] vport_status - pointer to return vport status in
+ *
+ * return
+ * void
+ *
+ * Special Considerations:
+ *
+ * note
+ */
+static void
+bfa_fcs_vport_timeout(void *vport_arg)
+{
+ struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;
+
+ vport->vport_stats.fdisc_timeouts++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
+}
+
+static void
+bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
+{
+ struct bfad_vport_s *vport_drv =
+ (struct bfad_vport_s *)vport->vport_drv;
+
+ bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
+
+ if (vport_drv->comp_del)
+ complete(vport_drv->comp_del);
+
+ bfa_lps_delete(vport->lps);
+}
+
+
+
+/**
+ * fcs_vport_public FCS virtual port public interfaces
+ */
+
+/**
+ * Online notification from fabric SM.
+ */
+void
+bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
+{
+ vport->vport_stats.fab_online++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
+}
+
+/**
+ * Offline notification from fabric SM.
+ */
+void
+bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
+{
+ vport->vport_stats.fab_offline++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
+}
+
+/**
+ * Cleanup notification from fabric SM on link timer expiry.
+ */
+void
+bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport)
+{
+ vport->vport_stats.fab_cleanup++;
+}
+/**
+ * delete notification from fabric SM. To be invoked from within FCS.
+ */
+void
+bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
+{
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
+}
+
+/**
+ * Delete completion callback from associated lport
+ */
+void
+bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
+{
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
+}
+
+
+
+/**
+ * fcs_vport_api Virtual port API
+ */
+
+/**
+ * Use this function to instantiate a new FCS vport object. This
+ * function will not trigger any HW initialization process (which will be
+ * done in vport_start() call)
+ *
+ * param[in] vport - pointer to bfa_fcs_vport_t. This space
+ * needs to be allocated by the driver.
+ * param[in] fcs - FCS instance
+ * param[in] vport_cfg - vport configuration
+ * param[in] vf_id - VF_ID if vport is created within a VF.
+ * FC_VF_ID_NULL to specify base fabric.
+ * param[in] vport_drv - Opaque handle back to the driver's vport
+ * structure
+ *
+ * retval BFA_STATUS_OK - on success.
+ * retval BFA_STATUS_FAILED - on failure.
+ */
+bfa_status_t
+bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
+ u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
+ struct bfad_vport_s *vport_drv)
+{
+ if (vport_cfg->pwwn == 0)
+ return BFA_STATUS_INVALID_WWN;
+
+ if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
+ return BFA_STATUS_VPORT_WWN_BP;
+
+ if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
+ return BFA_STATUS_VPORT_EXISTS;
+
+ if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
+ bfa_lps_get_max_vport(fcs->bfa))
+ return BFA_STATUS_VPORT_MAX;
+
+ vport->lps = bfa_lps_alloc(fcs->bfa);
+ if (!vport->lps)
+ return BFA_STATUS_VPORT_MAX;
+
+ vport->vport_drv = vport_drv;
+ vport_cfg->preboot_vp = BFA_FALSE;
+
+ bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
+ bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
+ bfa_fcs_lport_init(&vport->lport, vport_cfg);
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * Use this function to instantiate a new FCS PBC vport object. This
+ * function will not trigger any HW initialization process (which will be
+ * done in vport_start() call)
+ *
+ * param[in] vport - pointer to bfa_fcs_vport_t. This space
+ * needs to be allocated by the driver.
+ * param[in] fcs - FCS instance
+ * param[in] vport_cfg - vport configuration
+ * param[in] vf_id - VF_ID if vport is created within a VF.
+ * FC_VF_ID_NULL to specify base fabric.
+ * param[in] vport_drv - Opaque handle back to the driver's vport
+ * structure
+ *
+ * retval BFA_STATUS_OK - on success.
+ * retval BFA_STATUS_FAILED - on failure.
+ */
+bfa_status_t
+bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
+ u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
+ struct bfad_vport_s *vport_drv)
+{
+ bfa_status_t rc;
+
+ rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
+ vport->lport.port_cfg.preboot_vp = BFA_TRUE;
+
+ return rc;
+}
+
+/**
+ * Use this function to findout if this is a pbc vport or not.
+ *
+ * @param[in] vport - pointer to bfa_fcs_vport_t.
+ *
+ * @returns None
+ */
+bfa_boolean_t
+bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport)
+{
+
+ if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE))
+ return BFA_TRUE;
+ else
+ return BFA_FALSE;
+
+}
+
+/**
+ * Use this function initialize the vport.
+ *
+ * @param[in] vport - pointer to bfa_fcs_vport_t.
+ *
+ * @returns None
+ */
+bfa_status_t
+bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
+{
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * Use this function quiese the vport object. This function will return
+ * immediately, when the vport is actually stopped, the
+ * bfa_drv_vport_stop_cb() will be called.
+ *
+ * param[in] vport - pointer to bfa_fcs_vport_t.
+ *
+ * return None
+ */
+bfa_status_t
+bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
+{
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * Use this function to delete a vport object. Fabric object should
+ * be stopped before this function call.
+ *
+ * !!!!!!! Donot invoke this from within FCS !!!!!!!
+ *
+ * param[in] vport - pointer to bfa_fcs_vport_t.
+ *
+ * return None
+ */
+bfa_status_t
+bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
+{
+
+ if (vport->lport.port_cfg.preboot_vp)
+ return BFA_STATUS_PBC;
+
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * Use this function to get vport's current status info.
+ *
+ * param[in] vport pointer to bfa_fcs_vport_t.
+ * param[out] attr pointer to return vport attributes
+ *
+ * return None
+ */
+void
+bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
+ struct bfa_vport_attr_s *attr)
+{
+ if (vport == NULL || attr == NULL)
+ return;
+
+ bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s));
+
+ bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
+ attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm);
+}
+
+/**
+ * Use this function to get vport's statistics.
+ *
+ * param[in] vport pointer to bfa_fcs_vport_t.
+ * param[out] stats pointer to return vport statistics in
+ *
+ * return None
+ */
+void
+bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport,
+ struct bfa_vport_stats_s *stats)
+{
+ *stats = vport->vport_stats;
+}
+
+/**
+ * Use this function to clear vport's statistics.
+ *
+ * param[in] vport pointer to bfa_fcs_vport_t.
+ *
+ * return None
+ */
+void
+bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport)
+{
+ bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s));
+}
+
+/**
+ * Lookup a virtual port. Excludes base port from lookup.
+ */
+struct bfa_fcs_vport_s *
+bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
+{
+ struct bfa_fcs_vport_s *vport;
+ struct bfa_fcs_fabric_s *fabric;
+
+ bfa_trc(fcs, vf_id);
+ bfa_trc(fcs, vpwwn);
+
+ fabric = bfa_fcs_vf_lookup(fcs, vf_id);
+ if (!fabric) {
+ bfa_trc(fcs, vf_id);
+ return NULL;
+ }
+
+ vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
+ return vport;
+}
+
+/**
+ * FDISC Response
+ */
+void
+bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
+{
+ struct bfa_fcs_vport_s *vport = uarg;
+
+ bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
+ bfa_trc(__vport_fcs(vport), status);
+
+ switch (status) {
+ case BFA_STATUS_OK:
+ /*
+ * Initialiaze the V-Port fields
+ */
+ __vport_fcid(vport) = bfa_lps_get_pid(vport->lps);
+ vport->vport_stats.fdisc_accepts++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
+ break;
+
+ case BFA_STATUS_INVALID_MAC:
+ /* Only for CNA */
+ vport->vport_stats.fdisc_acc_bad++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+
+ break;
+
+ case BFA_STATUS_EPROTOCOL:
+ switch (bfa_lps_get_extstatus(vport->lps)) {
+ case BFA_EPROTO_BAD_ACCEPT:
+ vport->vport_stats.fdisc_acc_bad++;
+ break;
+
+ case BFA_EPROTO_UNKNOWN_RSP:
+ vport->vport_stats.fdisc_unknown_rsp++;
+ break;
+
+ default:
+ break;
+ }
+
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+ break;
+
+ case BFA_STATUS_FABRIC_RJT:
+ vport->vport_stats.fdisc_rejects++;
+ bfa_fcs_vport_fdisc_rejected(vport);
+ break;
+
+ default:
+ vport->vport_stats.fdisc_rsp_err++;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
+ }
+}
+
+/**
+ * LOGO response
+ */
+void
+bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
+{
+ struct bfa_fcs_vport_s *vport = uarg;
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
+}
+
+/**
+ * Received clear virtual link
+ */
+void
+bfa_cb_lps_cvl_event(void *bfad, void *uarg)
+{
+ struct bfa_fcs_vport_s *vport = uarg;
+
+ /* Send an Offline followed by an ONLINE */
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
+ bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
+}
--
1.7.3.rc1
--
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