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path: root/drivers/scsi/libfc/fc_lport.c
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Diffstat (limited to 'drivers/scsi/libfc/fc_lport.c')
-rw-r--r--drivers/scsi/libfc/fc_lport.c284
1 files changed, 168 insertions, 116 deletions
diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index 2fd0ec651170..310fa5add5f0 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -1,19 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright(c) 2007 Intel Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Maintained at www.Open-FCoE.org
*/
@@ -91,21 +79,24 @@
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/slab.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <scsi/fc/fc_gs.h>
#include <scsi/libfc.h>
-#include <scsi/fc_encode.h>
#include <linux/scatterlist.h>
+#include "fc_encode.h"
#include "fc_libfc.h"
/* Fabric IDs to use for point-to-point mode, chosen on whims. */
#define FC_LOCAL_PTP_FID_LO 0x010101
#define FC_LOCAL_PTP_FID_HI 0x010102
-#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/
+#define DNS_DELAY 3 /* Discovery delay after RSCN (in seconds)*/
+#define MAX_CT_PAYLOAD 2048
+#define DISCOVERED_PORTS 4
+#define NUMBER_OF_PORTS 1
static void fc_lport_error(struct fc_lport *, struct fc_frame *);
@@ -237,20 +228,25 @@ static const char *fc_lport_state(struct fc_lport *lport)
* @remote_fid: The FID of the ptp rport
* @remote_wwpn: The WWPN of the ptp rport
* @remote_wwnn: The WWNN of the ptp rport
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_ptp_setup(struct fc_lport *lport,
u32 remote_fid, u64 remote_wwpn,
u64 remote_wwnn)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
if (lport->ptp_rdata) {
fc_rport_logoff(lport->ptp_rdata);
kref_put(&lport->ptp_rdata->kref, fc_rport_destroy);
}
mutex_lock(&lport->disc.disc_mutex);
lport->ptp_rdata = fc_rport_create(lport, remote_fid);
+ if (!lport->ptp_rdata) {
+ printk(KERN_WARNING "libfc: Failed to setup lport 0x%x\n",
+ lport->port_id);
+ mutex_unlock(&lport->disc.disc_mutex);
+ return;
+ }
kref_get(&lport->ptp_rdata->kref);
lport->ptp_rdata->ids.port_name = remote_wwpn;
lport->ptp_rdata->ids.node_name = remote_wwnn;
@@ -318,21 +314,21 @@ struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *shost)
stats = per_cpu_ptr(lport->stats, cpu);
- fc_stats->tx_frames += stats->TxFrames;
- fc_stats->tx_words += stats->TxWords;
- fc_stats->rx_frames += stats->RxFrames;
- fc_stats->rx_words += stats->RxWords;
- fc_stats->error_frames += stats->ErrorFrames;
- fc_stats->invalid_crc_count += stats->InvalidCRCCount;
- fc_stats->fcp_input_requests += stats->InputRequests;
- fc_stats->fcp_output_requests += stats->OutputRequests;
- fc_stats->fcp_control_requests += stats->ControlRequests;
- fcp_in_bytes += stats->InputBytes;
- fcp_out_bytes += stats->OutputBytes;
- fc_stats->fcp_packet_alloc_failures += stats->FcpPktAllocFails;
- fc_stats->fcp_packet_aborts += stats->FcpPktAborts;
- fc_stats->fcp_frame_alloc_failures += stats->FcpFrameAllocFails;
- fc_stats->link_failure_count += stats->LinkFailureCount;
+ fc_stats->tx_frames += READ_ONCE(stats->TxFrames);
+ fc_stats->tx_words += READ_ONCE(stats->TxWords);
+ fc_stats->rx_frames += READ_ONCE(stats->RxFrames);
+ fc_stats->rx_words += READ_ONCE(stats->RxWords);
+ fc_stats->error_frames += READ_ONCE(stats->ErrorFrames);
+ fc_stats->invalid_crc_count += READ_ONCE(stats->InvalidCRCCount);
+ fc_stats->fcp_input_requests += READ_ONCE(stats->InputRequests);
+ fc_stats->fcp_output_requests += READ_ONCE(stats->OutputRequests);
+ fc_stats->fcp_control_requests += READ_ONCE(stats->ControlRequests);
+ fcp_in_bytes += READ_ONCE(stats->InputBytes);
+ fcp_out_bytes += READ_ONCE(stats->OutputBytes);
+ fc_stats->fcp_packet_alloc_failures += READ_ONCE(stats->FcpPktAllocFails);
+ fc_stats->fcp_packet_aborts += READ_ONCE(stats->FcpPktAborts);
+ fc_stats->fcp_frame_alloc_failures += READ_ONCE(stats->FcpFrameAllocFails);
+ fc_stats->link_failure_count += READ_ONCE(stats->LinkFailureCount);
}
fc_stats->fcp_input_megabytes = div_u64(fcp_in_bytes, 1000000);
fc_stats->fcp_output_megabytes = div_u64(fcp_out_bytes, 1000000);
@@ -403,12 +399,11 @@ static void fc_lport_add_fc4_type(struct fc_lport *lport, enum fc_fh_type type)
* fc_lport_recv_rlir_req() - Handle received Registered Link Incident Report.
* @lport: Fibre Channel local port receiving the RLIR
* @fp: The RLIR request frame
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
*/
static void fc_lport_recv_rlir_req(struct fc_lport *lport, struct fc_frame *fp)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Received RLIR request while in state %s\n",
fc_lport_state(lport));
@@ -419,10 +414,7 @@ static void fc_lport_recv_rlir_req(struct fc_lport *lport, struct fc_frame *fp)
/**
* fc_lport_recv_echo_req() - Handle received ECHO request
* @lport: The local port receiving the ECHO
- * @fp: ECHO request frame
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
+ * @in_fp: ECHO request frame
*/
static void fc_lport_recv_echo_req(struct fc_lport *lport,
struct fc_frame *in_fp)
@@ -432,6 +424,8 @@ static void fc_lport_recv_echo_req(struct fc_lport *lport,
void *pp;
void *dp;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Received ECHO request while in state %s\n",
fc_lport_state(lport));
@@ -455,10 +449,7 @@ static void fc_lport_recv_echo_req(struct fc_lport *lport,
/**
* fc_lport_recv_rnid_req() - Handle received Request Node ID data request
* @lport: The local port receiving the RNID
- * @fp: The RNID request frame
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
+ * @in_fp: The RNID request frame
*/
static void fc_lport_recv_rnid_req(struct fc_lport *lport,
struct fc_frame *in_fp)
@@ -474,6 +465,8 @@ static void fc_lport_recv_rnid_req(struct fc_lport *lport,
u8 fmt;
size_t len;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Received RNID request while in state %s\n",
fc_lport_state(lport));
@@ -515,12 +508,11 @@ static void fc_lport_recv_rnid_req(struct fc_lport *lport,
* fc_lport_recv_logo_req() - Handle received fabric LOGO request
* @lport: The local port receiving the LOGO
* @fp: The LOGO request frame
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
*/
static void fc_lport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
fc_seq_els_rsp_send(fp, ELS_LS_ACC, NULL);
fc_lport_enter_reset(lport);
fc_frame_free(fp);
@@ -553,11 +545,11 @@ EXPORT_SYMBOL(fc_fabric_login);
/**
* __fc_linkup() - Handler for transport linkup events
* @lport: The lport whose link is up
- *
- * Locking: must be called with the lp_mutex held
*/
void __fc_linkup(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
if (!lport->link_up) {
lport->link_up = 1;
@@ -584,11 +576,11 @@ EXPORT_SYMBOL(fc_linkup);
/**
* __fc_linkdown() - Handler for transport linkdown events
* @lport: The lport whose link is down
- *
- * Locking: must be called with the lp_mutex held
*/
void __fc_linkdown(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
if (lport->link_up) {
lport->link_up = 0;
fc_lport_enter_reset(lport);
@@ -720,14 +712,13 @@ static void fc_lport_disc_callback(struct fc_lport *lport,
}
/**
- * fc_rport_enter_ready() - Enter the ready state and start discovery
+ * fc_lport_enter_ready() - Enter the ready state and start discovery
* @lport: The local port that is ready
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_ready(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered READY from state %s\n",
fc_lport_state(lport));
@@ -745,13 +736,12 @@ static void fc_lport_enter_ready(struct fc_lport *lport)
* @lport: The local port which will have its Port ID set.
* @port_id: The new port ID.
* @fp: The frame containing the incoming request, or NULL.
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
*/
static void fc_lport_set_port_id(struct fc_lport *lport, u32 port_id,
struct fc_frame *fp)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
if (port_id)
printk(KERN_INFO "host%d: Assigned Port ID %6.6x\n",
lport->host->host_no, port_id);
@@ -766,7 +756,7 @@ static void fc_lport_set_port_id(struct fc_lport *lport, u32 port_id,
}
/**
- * fc_lport_set_port_id() - set the local port Port ID for point-to-multipoint
+ * fc_lport_set_local_id() - set the local port Port ID for point-to-multipoint
* @lport: The local port which will have its Port ID set.
* @port_id: The new port ID.
*
@@ -801,9 +791,6 @@ EXPORT_SYMBOL(fc_lport_set_local_id);
* A received FLOGI request indicates a point-to-point connection.
* Accept it with the common service parameters indicating our N port.
* Set up to do a PLOGI if we have the higher-number WWPN.
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this function.
*/
static void fc_lport_recv_flogi_req(struct fc_lport *lport,
struct fc_frame *rx_fp)
@@ -816,6 +803,8 @@ static void fc_lport_recv_flogi_req(struct fc_lport *lport,
u32 remote_fid;
u32 local_fid;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Received FLOGI request while in state %s\n",
fc_lport_state(lport));
@@ -904,10 +893,14 @@ static void fc_lport_recv_els_req(struct fc_lport *lport,
case ELS_FLOGI:
if (!lport->point_to_multipoint)
fc_lport_recv_flogi_req(lport, fp);
+ else
+ fc_rport_recv_req(lport, fp);
break;
case ELS_LOGO:
if (fc_frame_sid(fp) == FC_FID_FLOGI)
fc_lport_recv_logo_req(lport, fp);
+ else
+ fc_rport_recv_req(lport, fp);
break;
case ELS_RSCN:
lport->tt.disc_recv_req(lport, fp);
@@ -1002,12 +995,11 @@ EXPORT_SYMBOL(fc_lport_reset);
/**
* fc_lport_reset_locked() - Reset the local port w/ the lport lock held
* @lport: The local port to be reset
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_reset_locked(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
if (lport->dns_rdata) {
fc_rport_logoff(lport->dns_rdata);
lport->dns_rdata = NULL;
@@ -1031,12 +1023,11 @@ static void fc_lport_reset_locked(struct fc_lport *lport)
/**
* fc_lport_enter_reset() - Reset the local port
* @lport: The local port to be reset
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_reset(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered RESET state from %s state\n",
fc_lport_state(lport));
@@ -1061,12 +1052,11 @@ static void fc_lport_enter_reset(struct fc_lport *lport)
/**
* fc_lport_enter_disabled() - Disable the local port
* @lport: The local port to be reset
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_disabled(struct fc_lport *lport)
{
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered disabled state from %s state\n",
fc_lport_state(lport));
@@ -1204,7 +1194,7 @@ static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp,
struct fc_lport *lport = lp_arg;
struct fc_frame_header *fh;
struct fc_ct_hdr *ct;
-
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
FC_LPORT_DBG(lport, "Received a ms %s\n", fc_els_resp_type(fp));
if (fp == ERR_PTR(-FC_EX_CLOSED))
@@ -1238,7 +1228,13 @@ static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp,
switch (lport->state) {
case LPORT_ST_RHBA:
- if (ntohs(ct->ct_cmd) == FC_FS_ACC)
+ if ((ntohs(ct->ct_cmd) == FC_FS_RJT) && fc_host->fdmi_version == FDMI_V2) {
+ FC_LPORT_DBG(lport, "Error for FDMI-V2, fall back to FDMI-V1\n");
+ fc_host->fdmi_version = FDMI_V1;
+
+ fc_lport_enter_ms(lport, LPORT_ST_RHBA);
+
+ } else if (ntohs(ct->ct_cmd) == FC_FS_ACC)
fc_lport_enter_ms(lport, LPORT_ST_RPA);
else /* Error Skip RPA */
fc_lport_enter_scr(lport);
@@ -1317,14 +1313,13 @@ err:
/**
* fc_lport_enter_scr() - Send a SCR (State Change Register) request
* @lport: The local port to register for state changes
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_scr(struct fc_lport *lport)
{
struct fc_frame *fp;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered SCR state from %s state\n",
fc_lport_state(lport));
@@ -1345,9 +1340,7 @@ static void fc_lport_enter_scr(struct fc_lport *lport)
/**
* fc_lport_enter_ns() - register some object with the name server
* @lport: Fibre Channel local port to register
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
+ * @state: Local port state
*/
static void fc_lport_enter_ns(struct fc_lport *lport, enum fc_lport_state state)
{
@@ -1356,6 +1349,8 @@ static void fc_lport_enter_ns(struct fc_lport *lport, enum fc_lport_state state)
int size = sizeof(struct fc_ct_hdr);
size_t len;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered %s state from %s state\n",
fc_lport_state_names[state],
fc_lport_state(lport));
@@ -1413,16 +1408,15 @@ static struct fc_rport_operations fc_lport_rport_ops = {
};
/**
- * fc_rport_enter_dns() - Create a fc_rport for the name server
+ * fc_lport_enter_dns() - Create a fc_rport for the name server
* @lport: The local port requesting a remote port for the name server
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_dns(struct fc_lport *lport)
{
struct fc_rport_priv *rdata;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered DNS state from %s state\n",
fc_lport_state(lport));
@@ -1445,9 +1439,7 @@ err:
/**
* fc_lport_enter_ms() - management server commands
* @lport: Fibre Channel local port to register
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
+ * @state: Local port state
*/
static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
{
@@ -1456,6 +1448,8 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
int size = sizeof(struct fc_ct_hdr);
size_t len;
int numattrs;
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
+ lockdep_assert_held(&lport->lp_mutex);
FC_LPORT_DBG(lport, "Entered %s state from %s state\n",
fc_lport_state_names[state],
@@ -1467,10 +1461,10 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
case LPORT_ST_RHBA:
cmd = FC_FDMI_RHBA;
/* Number of HBA Attributes */
- numattrs = 10;
+ numattrs = 11;
len = sizeof(struct fc_fdmi_rhba);
len -= sizeof(struct fc_fdmi_attr_entry);
- len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+
len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
@@ -1481,6 +1475,21 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN;
+
+
+ if (fc_host->fdmi_version == FDMI_V2) {
+ numattrs += 7;
+ len += FC_FDMI_HBA_ATTR_NODESYMBLNAME_LEN;
+ len += FC_FDMI_HBA_ATTR_VENDORSPECIFICINFO_LEN;
+ len += FC_FDMI_HBA_ATTR_NUMBEROFPORTS_LEN;
+ len += FC_FDMI_HBA_ATTR_FABRICNAME_LEN;
+ len += FC_FDMI_HBA_ATTR_BIOSVERSION_LEN;
+ len += FC_FDMI_HBA_ATTR_BIOSSTATE_LEN;
+ len += FC_FDMI_HBA_ATTR_VENDORIDENTIFIER_LEN;
+ }
+
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
size += len;
break;
@@ -1490,7 +1499,6 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
numattrs = 6;
len = sizeof(struct fc_fdmi_rpa);
len -= sizeof(struct fc_fdmi_attr_entry);
- len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
@@ -1498,6 +1506,22 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
+ if (fc_host->fdmi_version == FDMI_V2) {
+ numattrs += 10;
+ len += FC_FDMI_PORT_ATTR_NODENAME_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_SYMBOLICNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTTYPE_LEN;
+ len += FC_FDMI_PORT_ATTR_SUPPORTEDCLASSSRVC_LEN;
+ len += FC_FDMI_PORT_ATTR_FABRICNAME_LEN;
+ len += FC_FDMI_PORT_ATTR_CURRENTFC4TYPE_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTSTATE_LEN;
+ len += FC_FDMI_PORT_ATTR_DISCOVEREDPORTS_LEN;
+ len += FC_FDMI_PORT_ATTR_PORTID_LEN;
+ }
+
+ len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
+
size += len;
break;
case LPORT_ST_DPRT:
@@ -1530,16 +1554,15 @@ static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state)
}
/**
- * fc_rport_enter_fdmi() - Create a fc_rport for the management server
+ * fc_lport_enter_fdmi() - Create a fc_rport for the management server
* @lport: The local port requesting a remote port for the management server
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_fdmi(struct fc_lport *lport)
{
struct fc_rport_priv *rdata;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered FDMI state from %s state\n",
fc_lport_state(lport));
@@ -1568,6 +1591,7 @@ static void fc_lport_timeout(struct work_struct *work)
struct fc_lport *lport =
container_of(work, struct fc_lport,
retry_work.work);
+ struct fc_host_attrs *fc_host = shost_to_fc_host(lport->host);
mutex_lock(&lport->lp_mutex);
@@ -1595,12 +1619,19 @@ static void fc_lport_timeout(struct work_struct *work)
fc_lport_enter_fdmi(lport);
break;
case LPORT_ST_RHBA:
+ if (fc_host->fdmi_version == FDMI_V2) {
+ FC_LPORT_DBG(lport, "timeout for FDMI-V2 RHBA,fall back to FDMI-V1\n");
+ fc_host->fdmi_version = FDMI_V1;
+ fc_lport_enter_ms(lport, LPORT_ST_RHBA);
+ break;
+ }
+ fallthrough;
case LPORT_ST_RPA:
case LPORT_ST_DHBA:
case LPORT_ST_DPRT:
FC_LPORT_DBG(lport, "Skipping lport state %s to SCR\n",
fc_lport_state(lport));
- /* fall thru */
+ fallthrough;
case LPORT_ST_SCR:
fc_lport_enter_scr(lport);
break;
@@ -1662,17 +1693,16 @@ err:
EXPORT_SYMBOL(fc_lport_logo_resp);
/**
- * fc_rport_enter_logo() - Logout of the fabric
+ * fc_lport_enter_logo() - Logout of the fabric
* @lport: The local port to be logged out
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_logo(struct fc_lport *lport)
{
struct fc_frame *fp;
struct fc_els_logo *logo;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered LOGO state from %s state\n",
fc_lport_state(lport));
@@ -1739,14 +1769,14 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
fc_frame_payload_op(fp) != ELS_LS_ACC) {
FC_LPORT_DBG(lport, "FLOGI not accepted or bad response\n");
fc_lport_error(lport, fp);
- goto err;
+ goto out;
}
flp = fc_frame_payload_get(fp, sizeof(*flp));
if (!flp) {
FC_LPORT_DBG(lport, "FLOGI bad response\n");
fc_lport_error(lport, fp);
- goto err;
+ goto out;
}
mfs = ntohs(flp->fl_csp.sp_bb_data) &
@@ -1754,9 +1784,9 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
if (mfs < FC_SP_MIN_MAX_PAYLOAD || mfs > FC_SP_MAX_MAX_PAYLOAD) {
FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, "
- "lport->mfs:%hu\n", mfs, lport->mfs);
+ "lport->mfs:%u\n", mfs, lport->mfs);
fc_lport_error(lport, fp);
- goto err;
+ goto out;
}
if (mfs <= lport->mfs) {
@@ -1805,16 +1835,15 @@ err:
EXPORT_SYMBOL(fc_lport_flogi_resp);
/**
- * fc_rport_enter_flogi() - Send a FLOGI request to the fabric manager
+ * fc_lport_enter_flogi() - Send a FLOGI request to the fabric manager
* @lport: Fibre Channel local port to be logged in to the fabric
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static void fc_lport_enter_flogi(struct fc_lport *lport)
{
struct fc_frame *fp;
+ lockdep_assert_held(&lport->lp_mutex);
+
FC_LPORT_DBG(lport, "Entered FLOGI state from %s state\n",
fc_lport_state(lport));
@@ -1863,6 +1892,13 @@ EXPORT_SYMBOL(fc_lport_config);
*/
int fc_lport_init(struct fc_lport *lport)
{
+ struct fc_host_attrs *fc_host;
+
+ fc_host = shost_to_fc_host(lport->host);
+
+ /* Set FDMI version to FDMI-2 specification*/
+ fc_host->fdmi_version = FDMI_V2;
+
fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
fc_host_node_name(lport->host) = lport->wwnn;
fc_host_port_name(lport->host) = lport->wwpn;
@@ -1871,6 +1907,7 @@ int fc_lport_init(struct fc_lport *lport)
sizeof(fc_host_supported_fc4s(lport->host)));
fc_host_supported_fc4s(lport->host)[2] = 1;
fc_host_supported_fc4s(lport->host)[7] = 1;
+ fc_host_num_discovered_ports(lport->host) = 4;
/* This value is also unchanging */
memset(fc_host_active_fc4s(lport->host), 0,
@@ -1883,8 +1920,27 @@ int fc_lport_init(struct fc_lport *lport)
fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_1GBIT;
if (lport->link_supported_speeds & FC_PORTSPEED_10GBIT)
fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_10GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_40GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_40GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_100GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_100GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_25GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_25GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_50GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_50GBIT;
+ if (lport->link_supported_speeds & FC_PORTSPEED_100GBIT)
+ fc_host_supported_speeds(lport->host) |= FC_PORTSPEED_100GBIT;
+
fc_fc4_add_lport(lport);
+ fc_host_num_discovered_ports(lport->host) = DISCOVERED_PORTS;
+ fc_host_port_state(lport->host) = FC_PORTSTATE_ONLINE;
+ fc_host_max_ct_payload(lport->host) = MAX_CT_PAYLOAD;
+ fc_host_num_ports(lport->host) = NUMBER_OF_PORTS;
+ fc_host_bootbios_state(lport->host) = 0X00000000;
+ snprintf(fc_host_bootbios_version(lport->host),
+ FC_SYMBOLIC_NAME_SIZE, "%s", "Unknown");
+
return 0;
}
EXPORT_SYMBOL(fc_lport_init);
@@ -1958,9 +2014,7 @@ static void fc_lport_bsg_resp(struct fc_seq *sp, struct fc_frame *fp,
* @job: The BSG Passthrough job
* @lport: The local port sending the request
* @did: The destination port id
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
+ * @tov: The timeout period (in ms)
*/
static int fc_lport_els_request(struct bsg_job *job,
struct fc_lport *lport,
@@ -1972,6 +2026,8 @@ static int fc_lport_els_request(struct bsg_job *job,
char *pp;
int len;
+ lockdep_assert_held(&lport->lp_mutex);
+
fp = fc_frame_alloc(lport, job->request_payload.payload_len);
if (!fp)
return -ENOMEM;
@@ -2019,9 +2075,6 @@ static int fc_lport_els_request(struct bsg_job *job,
* @lport: The local port sending the request
* @did: The destination FC-ID
* @tov: The timeout period to wait for the response
- *
- * Locking Note: The lport lock is expected to be held before calling
- * this routine.
*/
static int fc_lport_ct_request(struct bsg_job *job,
struct fc_lport *lport, u32 did, u32 tov)
@@ -2032,6 +2085,8 @@ static int fc_lport_ct_request(struct bsg_job *job,
struct fc_ct_req *ct;
size_t len;
+ lockdep_assert_held(&lport->lp_mutex);
+
fp = fc_frame_alloc(lport, sizeof(struct fc_ct_hdr) +
job->request_payload.payload_len);
if (!fp)
@@ -2083,7 +2138,6 @@ int fc_lport_bsg_request(struct bsg_job *job)
{
struct fc_bsg_request *bsg_request = job->request;
struct fc_bsg_reply *bsg_reply = job->reply;
- struct request *rsp = job->req->next_rq;
struct Scsi_Host *shost = fc_bsg_to_shost(job);
struct fc_lport *lport = shost_priv(shost);
struct fc_rport *rport;
@@ -2092,8 +2146,6 @@ int fc_lport_bsg_request(struct bsg_job *job)
u32 did, tov;
bsg_reply->reply_payload_rcv_len = 0;
- if (rsp)
- scsi_req(rsp)->resid_len = job->reply_payload.payload_len;
mutex_lock(&lport->lp_mutex);