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-rw-r--r--drivers/scsi/bnx2fc/bnx2fc.h27
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c279
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_hwi.c29
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_io.c8
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_tgt.c95
5 files changed, 251 insertions, 187 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h
index 3486845ba301..50fcd018d14b 100644
--- a/drivers/scsi/bnx2fc/bnx2fc.h
+++ b/drivers/scsi/bnx2fc/bnx2fc.h
@@ -64,7 +64,7 @@
#include "bnx2fc_constants.h"
#define BNX2FC_NAME "bnx2fc"
-#define BNX2FC_VERSION "1.0.12"
+#define BNX2FC_VERSION "1.0.13"
#define PFX "bnx2fc: "
@@ -156,6 +156,18 @@
#define BNX2FC_RELOGIN_WAIT_TIME 200
#define BNX2FC_RELOGIN_WAIT_CNT 10
+#define BNX2FC_STATS(hba, stat, cnt) \
+ do { \
+ u32 val; \
+ \
+ val = fw_stats->stat.cnt; \
+ if (hba->prev_stats.stat.cnt <= val) \
+ val -= hba->prev_stats.stat.cnt; \
+ else \
+ val += (0xfffffff - hba->prev_stats.stat.cnt); \
+ hba->bfw_stats.cnt += val; \
+ } while (0)
+
/* bnx2fc driver uses only one instance of fcoe_percpu_s */
extern struct fcoe_percpu_s bnx2fc_global;
@@ -167,6 +179,14 @@ struct bnx2fc_percpu_s {
spinlock_t fp_work_lock;
};
+struct bnx2fc_fw_stats {
+ u64 fc_crc_cnt;
+ u64 fcoe_tx_pkt_cnt;
+ u64 fcoe_rx_pkt_cnt;
+ u64 fcoe_tx_byte_cnt;
+ u64 fcoe_rx_byte_cnt;
+};
+
struct bnx2fc_hba {
struct list_head list;
struct cnic_dev *cnic;
@@ -207,6 +227,8 @@ struct bnx2fc_hba {
struct bnx2fc_rport **tgt_ofld_list;
/* statistics */
+ struct bnx2fc_fw_stats bfw_stats;
+ struct fcoe_statistics_params prev_stats;
struct fcoe_statistics_params *stats_buffer;
dma_addr_t stats_buf_dma;
struct completion stat_req_done;
@@ -280,6 +302,7 @@ struct bnx2fc_rport {
#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
#define BNX2FC_FLAG_EXPL_LOGO 0x8
#define BNX2FC_FLAG_DISABLE_FAILED 0x9
+#define BNX2FC_FLAG_ENABLED 0xa
u8 src_addr[ETH_ALEN];
u32 max_sqes;
@@ -468,6 +491,8 @@ int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
struct bnx2fc_rport *tgt);
+int bnx2fc_send_session_enable_req(struct fcoe_port *port,
+ struct bnx2fc_rport *tgt);
int bnx2fc_send_session_disable_req(struct fcoe_port *port,
struct bnx2fc_rport *tgt);
int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 70ecd953a579..90bc7bd00966 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -22,7 +22,7 @@ DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
#define DRV_MODULE_NAME "bnx2fc"
#define DRV_MODULE_VERSION BNX2FC_VERSION
-#define DRV_MODULE_RELDATE "Jun 04, 2012"
+#define DRV_MODULE_RELDATE "Dec 21, 2012"
static char version[] =
@@ -62,6 +62,10 @@ static int bnx2fc_destroy(struct net_device *net_device);
static int bnx2fc_enable(struct net_device *netdev);
static int bnx2fc_disable(struct net_device *netdev);
+/* fcoe_syfs control interface handlers */
+static int bnx2fc_ctlr_alloc(struct net_device *netdev);
+static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev);
+
static void bnx2fc_recv_frame(struct sk_buff *skb);
static void bnx2fc_start_disc(struct bnx2fc_interface *interface);
@@ -89,7 +93,6 @@ static void bnx2fc_port_shutdown(struct fc_lport *lport);
static void bnx2fc_stop(struct bnx2fc_interface *interface);
static int __init bnx2fc_mod_init(void);
static void __exit bnx2fc_mod_exit(void);
-static void bnx2fc_ctlr_get_lesb(struct fcoe_ctlr_device *ctlr_dev);
unsigned int bnx2fc_debug_level;
module_param_named(debug_logging, bnx2fc_debug_level, int, S_IRUGO|S_IWUSR);
@@ -107,44 +110,6 @@ static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
}
-/**
- * bnx2fc_get_lesb() - Fill the FCoE Link Error Status Block
- * @lport: the local port
- * @fc_lesb: the link error status block
- */
-static void bnx2fc_get_lesb(struct fc_lport *lport,
- struct fc_els_lesb *fc_lesb)
-{
- struct net_device *netdev = bnx2fc_netdev(lport);
-
- __fcoe_get_lesb(lport, fc_lesb, netdev);
-}
-
-static void bnx2fc_ctlr_get_lesb(struct fcoe_ctlr_device *ctlr_dev)
-{
- struct fcoe_ctlr *fip = fcoe_ctlr_device_priv(ctlr_dev);
- struct net_device *netdev = bnx2fc_netdev(fip->lp);
- struct fcoe_fc_els_lesb *fcoe_lesb;
- struct fc_els_lesb fc_lesb;
-
- __fcoe_get_lesb(fip->lp, &fc_lesb, netdev);
- fcoe_lesb = (struct fcoe_fc_els_lesb *)(&fc_lesb);
-
- ctlr_dev->lesb.lesb_link_fail =
- ntohl(fcoe_lesb->lesb_link_fail);
- ctlr_dev->lesb.lesb_vlink_fail =
- ntohl(fcoe_lesb->lesb_vlink_fail);
- ctlr_dev->lesb.lesb_miss_fka =
- ntohl(fcoe_lesb->lesb_miss_fka);
- ctlr_dev->lesb.lesb_symb_err =
- ntohl(fcoe_lesb->lesb_symb_err);
- ctlr_dev->lesb.lesb_err_block =
- ntohl(fcoe_lesb->lesb_err_block);
- ctlr_dev->lesb.lesb_fcs_error =
- ntohl(fcoe_lesb->lesb_fcs_error);
-}
-EXPORT_SYMBOL(bnx2fc_ctlr_get_lesb);
-
static void bnx2fc_fcf_get_vlan_id(struct fcoe_fcf_device *fcf_dev)
{
struct fcoe_ctlr_device *ctlr_dev =
@@ -687,11 +652,16 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
BNX2FC_HBA_DBG(lport, "FW stat req timed out\n");
return bnx2fc_stats;
}
- bnx2fc_stats->invalid_crc_count += fw_stats->rx_stat2.fc_crc_cnt;
- bnx2fc_stats->tx_frames += fw_stats->tx_stat.fcoe_tx_pkt_cnt;
- bnx2fc_stats->tx_words += (fw_stats->tx_stat.fcoe_tx_byte_cnt) / 4;
- bnx2fc_stats->rx_frames += fw_stats->rx_stat0.fcoe_rx_pkt_cnt;
- bnx2fc_stats->rx_words += (fw_stats->rx_stat0.fcoe_rx_byte_cnt) / 4;
+ BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt);
+ bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt;
+ BNX2FC_STATS(hba, tx_stat, fcoe_tx_pkt_cnt);
+ bnx2fc_stats->tx_frames += hba->bfw_stats.fcoe_tx_pkt_cnt;
+ BNX2FC_STATS(hba, tx_stat, fcoe_tx_byte_cnt);
+ bnx2fc_stats->tx_words += ((hba->bfw_stats.fcoe_tx_byte_cnt) / 4);
+ BNX2FC_STATS(hba, rx_stat0, fcoe_rx_pkt_cnt);
+ bnx2fc_stats->rx_frames += hba->bfw_stats.fcoe_rx_pkt_cnt;
+ BNX2FC_STATS(hba, rx_stat0, fcoe_rx_byte_cnt);
+ bnx2fc_stats->rx_words += ((hba->bfw_stats.fcoe_rx_byte_cnt) / 4);
bnx2fc_stats->dumped_frames = 0;
bnx2fc_stats->lip_count = 0;
@@ -700,6 +670,8 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
bnx2fc_stats->loss_of_signal_count = 0;
bnx2fc_stats->prim_seq_protocol_err_count = 0;
+ memcpy(&hba->prev_stats, hba->stats_buffer,
+ sizeof(struct fcoe_statistics_params));
return bnx2fc_stats;
}
@@ -734,35 +706,6 @@ static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
return 0;
}
-static void bnx2fc_link_speed_update(struct fc_lport *lport)
-{
- struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_interface *interface = port->priv;
- struct net_device *netdev = interface->netdev;
- struct ethtool_cmd ecmd;
-
- if (!__ethtool_get_settings(netdev, &ecmd)) {
- lport->link_supported_speeds &=
- ~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
- if (ecmd.supported & (SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full))
- lport->link_supported_speeds |= FC_PORTSPEED_1GBIT;
- if (ecmd.supported & SUPPORTED_10000baseT_Full)
- lport->link_supported_speeds |= FC_PORTSPEED_10GBIT;
-
- switch (ethtool_cmd_speed(&ecmd)) {
- case SPEED_1000:
- lport->link_speed = FC_PORTSPEED_1GBIT;
- break;
- case SPEED_2500:
- lport->link_speed = FC_PORTSPEED_2GBIT;
- break;
- case SPEED_10000:
- lport->link_speed = FC_PORTSPEED_10GBIT;
- break;
- }
- }
-}
static int bnx2fc_link_ok(struct fc_lport *lport)
{
struct fcoe_port *port = lport_priv(lport);
@@ -820,7 +763,7 @@ static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
port->fcoe_pending_queue_active = 0;
setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport);
- bnx2fc_link_speed_update(lport);
+ fcoe_link_speed_update(lport);
if (!lport->vport) {
if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
@@ -864,6 +807,7 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
u16 vlan_id)
{
struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
+ struct fcoe_ctlr_device *cdev;
struct fc_lport *lport;
struct fc_lport *vport;
struct bnx2fc_interface *interface, *tmp;
@@ -923,30 +867,47 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
interface->netdev->name, event);
- bnx2fc_link_speed_update(lport);
+ fcoe_link_speed_update(lport);
+
+ cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
if (link_possible && !bnx2fc_link_ok(lport)) {
- /* Reset max recv frame size to default */
- fc_set_mfs(lport, BNX2FC_MFS);
- /*
- * ctlr link up will only be handled during
- * enable to avoid sending discovery solicitation
- * on a stale vlan
- */
- if (interface->enabled)
- fcoe_ctlr_link_up(ctlr);
+ switch (cdev->enabled) {
+ case FCOE_CTLR_DISABLED:
+ pr_info("Link up while interface is disabled.\n");
+ break;
+ case FCOE_CTLR_ENABLED:
+ case FCOE_CTLR_UNUSED:
+ /* Reset max recv frame size to default */
+ fc_set_mfs(lport, BNX2FC_MFS);
+ /*
+ * ctlr link up will only be handled during
+ * enable to avoid sending discovery
+ * solicitation on a stale vlan
+ */
+ if (interface->enabled)
+ fcoe_ctlr_link_up(ctlr);
+ };
} else if (fcoe_ctlr_link_down(ctlr)) {
- mutex_lock(&lport->lp_mutex);
- list_for_each_entry(vport, &lport->vports, list)
- fc_host_port_type(vport->host) =
- FC_PORTTYPE_UNKNOWN;
- mutex_unlock(&lport->lp_mutex);
- fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
- per_cpu_ptr(lport->stats,
- get_cpu())->LinkFailureCount++;
- put_cpu();
- fcoe_clean_pending_queue(lport);
- wait_for_upload = 1;
+ switch (cdev->enabled) {
+ case FCOE_CTLR_DISABLED:
+ pr_info("Link down while interface is disabled.\n");
+ break;
+ case FCOE_CTLR_ENABLED:
+ case FCOE_CTLR_UNUSED:
+ mutex_lock(&lport->lp_mutex);
+ list_for_each_entry(vport, &lport->vports, list)
+ fc_host_port_type(vport->host) =
+ FC_PORTTYPE_UNKNOWN;
+ mutex_unlock(&lport->lp_mutex);
+ fc_host_port_type(lport->host) =
+ FC_PORTTYPE_UNKNOWN;
+ per_cpu_ptr(lport->stats,
+ get_cpu())->LinkFailureCount++;
+ put_cpu();
+ fcoe_clean_pending_queue(lport);
+ wait_for_upload = 1;
+ };
}
}
mutex_unlock(&bnx2fc_dev_lock);
@@ -979,6 +940,7 @@ static int bnx2fc_libfc_config(struct fc_lport *lport)
fc_exch_init(lport);
fc_rport_init(lport);
fc_disc_init(lport);
+ fc_disc_config(lport, lport);
return 0;
}
@@ -1477,6 +1439,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
port = lport_priv(lport);
port->lport = lport;
port->priv = interface;
+ port->get_netdev = bnx2fc_netdev;
INIT_WORK(&port->destroy_work, bnx2fc_destroy_work);
/* Configure fcoe_port */
@@ -1996,7 +1959,9 @@ static void bnx2fc_ulp_init(struct cnic_dev *dev)
set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
}
-
+/**
+ * Deperecated: Use bnx2fc_enabled()
+ */
static int bnx2fc_disable(struct net_device *netdev)
{
struct bnx2fc_interface *interface;
@@ -2022,7 +1987,9 @@ static int bnx2fc_disable(struct net_device *netdev)
return rc;
}
-
+/**
+ * Deprecated: Use bnx2fc_enabled()
+ */
static int bnx2fc_enable(struct net_device *netdev)
{
struct bnx2fc_interface *interface;
@@ -2048,17 +2015,57 @@ static int bnx2fc_enable(struct net_device *netdev)
}
/**
- * bnx2fc_create - Create bnx2fc FCoE interface
+ * bnx2fc_ctlr_enabled() - Enable or disable an FCoE Controller
+ * @cdev: The FCoE Controller that is being enabled or disabled
*
- * @buffer: The name of Ethernet interface to create on
- * @kp: The associated kernel param
+ * fcoe_sysfs will ensure that the state of 'enabled' has
+ * changed, so no checking is necessary here. This routine simply
+ * calls fcoe_enable or fcoe_disable, both of which are deprecated.
+ * When those routines are removed the functionality can be merged
+ * here.
+ */
+static int bnx2fc_ctlr_enabled(struct fcoe_ctlr_device *cdev)
+{
+ struct fcoe_ctlr *ctlr = fcoe_ctlr_device_priv(cdev);
+ struct fc_lport *lport = ctlr->lp;
+ struct net_device *netdev = bnx2fc_netdev(lport);
+
+ switch (cdev->enabled) {
+ case FCOE_CTLR_ENABLED:
+ return bnx2fc_enable(netdev);
+ case FCOE_CTLR_DISABLED:
+ return bnx2fc_disable(netdev);
+ case FCOE_CTLR_UNUSED:
+ default:
+ return -ENOTSUPP;
+ };
+}
+
+enum bnx2fc_create_link_state {
+ BNX2FC_CREATE_LINK_DOWN,
+ BNX2FC_CREATE_LINK_UP,
+};
+
+/**
+ * _bnx2fc_create() - Create bnx2fc FCoE interface
+ * @netdev : The net_device object the Ethernet interface to create on
+ * @fip_mode: The FIP mode for this creation
+ * @link_state: The ctlr link state on creation
*
- * Called from sysfs.
+ * Called from either the libfcoe 'create' module parameter
+ * via fcoe_create or from fcoe_syfs's ctlr_create file.
+ *
+ * libfcoe's 'create' module parameter is deprecated so some
+ * consolidation of code can be done when that interface is
+ * removed.
*
* Returns: 0 for success
*/
-static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
+static int _bnx2fc_create(struct net_device *netdev,
+ enum fip_state fip_mode,
+ enum bnx2fc_create_link_state link_state)
{
+ struct fcoe_ctlr_device *cdev;
struct fcoe_ctlr *ctlr;
struct bnx2fc_interface *interface;
struct bnx2fc_hba *hba;
@@ -2127,6 +2134,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
}
ctlr = bnx2fc_to_ctlr(interface);
+ cdev = fcoe_ctlr_to_ctlr_dev(ctlr);
interface->vlan_id = vlan_id;
interface->timer_work_queue =
@@ -2137,7 +2145,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
goto ifput_err;
}
- lport = bnx2fc_if_create(interface, &interface->hba->pcidev->dev, 0);
+ lport = bnx2fc_if_create(interface, &cdev->dev, 0);
if (!lport) {
printk(KERN_ERR PFX "Failed to create interface (%s)\n",
netdev->name);
@@ -2153,7 +2161,13 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
/* Make this master N_port */
ctlr->lp = lport;
- if (!bnx2fc_link_ok(lport)) {
+ if (link_state == BNX2FC_CREATE_LINK_UP)
+ cdev->enabled = FCOE_CTLR_ENABLED;
+ else
+ cdev->enabled = FCOE_CTLR_DISABLED;
+
+ if (link_state == BNX2FC_CREATE_LINK_UP &&
+ !bnx2fc_link_ok(lport)) {
fcoe_ctlr_link_up(ctlr);
fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
@@ -2161,7 +2175,10 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
BNX2FC_HBA_DBG(lport, "create: START DISC\n");
bnx2fc_start_disc(interface);
- interface->enabled = true;
+
+ if (link_state == BNX2FC_CREATE_LINK_UP)
+ interface->enabled = true;
+
/*
* Release from kref_init in bnx2fc_interface_setup, on success
* lport should be holding a reference taken in bnx2fc_if_create
@@ -2187,6 +2204,37 @@ mod_err:
}
/**
+ * bnx2fc_create() - Create a bnx2fc interface
+ * @netdev : The net_device object the Ethernet interface to create on
+ * @fip_mode: The FIP mode for this creation
+ *
+ * Called from fcoe transport
+ *
+ * Returns: 0 for success
+ */
+static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
+{
+ return _bnx2fc_create(netdev, fip_mode, BNX2FC_CREATE_LINK_UP);
+}
+
+/**
+ * bnx2fc_ctlr_alloc() - Allocate a bnx2fc interface from fcoe_sysfs
+ * @netdev: The net_device to be used by the allocated FCoE Controller
+ *
+ * This routine is called from fcoe_sysfs. It will start the fcoe_ctlr
+ * in a link_down state. The allows the user an opportunity to configure
+ * the FCoE Controller from sysfs before enabling the FCoE Controller.
+ *
+ * Creating in with this routine starts the FCoE Controller in Fabric
+ * mode. The user can change to VN2VN or another mode before enabling.
+ */
+static int bnx2fc_ctlr_alloc(struct net_device *netdev)
+{
+ return _bnx2fc_create(netdev, FIP_MODE_FABRIC,
+ BNX2FC_CREATE_LINK_DOWN);
+}
+
+/**
* bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance
*
* @cnic: Pointer to cnic device instance
@@ -2311,6 +2359,7 @@ static struct fcoe_transport bnx2fc_transport = {
.name = {"bnx2fc"},
.attached = false,
.list = LIST_HEAD_INIT(bnx2fc_transport.list),
+ .alloc = bnx2fc_ctlr_alloc,
.match = bnx2fc_match,
.create = bnx2fc_create,
.destroy = bnx2fc_destroy,
@@ -2555,13 +2604,13 @@ module_init(bnx2fc_mod_init);
module_exit(bnx2fc_mod_exit);
static struct fcoe_sysfs_function_template bnx2fc_fcoe_sysfs_templ = {
- .get_fcoe_ctlr_mode = fcoe_ctlr_get_fip_mode,
- .get_fcoe_ctlr_link_fail = bnx2fc_ctlr_get_lesb,
- .get_fcoe_ctlr_vlink_fail = bnx2fc_ctlr_get_lesb,
- .get_fcoe_ctlr_miss_fka = bnx2fc_ctlr_get_lesb,
- .get_fcoe_ctlr_symb_err = bnx2fc_ctlr_get_lesb,
- .get_fcoe_ctlr_err_block = bnx2fc_ctlr_get_lesb,
- .get_fcoe_ctlr_fcs_error = bnx2fc_ctlr_get_lesb,
+ .set_fcoe_ctlr_enabled = bnx2fc_ctlr_enabled,
+ .get_fcoe_ctlr_link_fail = fcoe_ctlr_get_lesb,
+ .get_fcoe_ctlr_vlink_fail = fcoe_ctlr_get_lesb,
+ .get_fcoe_ctlr_miss_fka = fcoe_ctlr_get_lesb,
+ .get_fcoe_ctlr_symb_err = fcoe_ctlr_get_lesb,
+ .get_fcoe_ctlr_err_block = fcoe_ctlr_get_lesb,
+ .get_fcoe_ctlr_fcs_error = fcoe_ctlr_get_lesb,
.get_fcoe_fcf_selected = fcoe_fcf_get_selected,
.get_fcoe_fcf_vlan_id = bnx2fc_fcf_get_vlan_id,
@@ -2660,7 +2709,7 @@ static struct scsi_host_template bnx2fc_shost_template = {
.can_queue = BNX2FC_CAN_QUEUE,
.use_clustering = ENABLE_CLUSTERING,
.sg_tablesize = BNX2FC_MAX_BDS_PER_CMD,
- .max_sectors = 512,
+ .max_sectors = 1024,
};
static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
@@ -2668,7 +2717,7 @@ static struct libfc_function_template bnx2fc_libfc_fcn_templ = {
.elsct_send = bnx2fc_elsct_send,
.fcp_abort_io = bnx2fc_abort_io,
.fcp_cleanup = bnx2fc_cleanup,
- .get_lesb = bnx2fc_get_lesb,
+ .get_lesb = fcoe_get_lesb,
.rport_event_callback = bnx2fc_rport_event_handler,
};
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index ef60afa94d0e..85ea98a80f40 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
@@ -347,7 +347,7 @@ int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
* @port: port structure pointer
* @tgt: bnx2fc_rport structure pointer
*/
-static int bnx2fc_send_session_enable_req(struct fcoe_port *port,
+int bnx2fc_send_session_enable_req(struct fcoe_port *port,
struct bnx2fc_rport *tgt)
{
struct kwqe *kwqe_arr[2];
@@ -759,8 +759,6 @@ static void bnx2fc_process_unsol_compl(struct bnx2fc_rport *tgt, u16 wqe)
case FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET:
BNX2FC_TGT_DBG(tgt, "REC TOV popped for xid - 0x%x\n",
xid);
- memset(&io_req->err_entry, 0,
- sizeof(struct fcoe_err_report_entry));
memcpy(&io_req->err_entry, err_entry,
sizeof(struct fcoe_err_report_entry));
if (!test_bit(BNX2FC_FLAG_SRR_SENT,
@@ -847,8 +845,6 @@ ret_err_rqe:
goto ret_warn_rqe;
}
- memset(&io_req->err_entry, 0,
- sizeof(struct fcoe_err_report_entry));
memcpy(&io_req->err_entry, err_entry,
sizeof(struct fcoe_err_report_entry));
@@ -1124,7 +1120,6 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba,
struct bnx2fc_interface *interface;
u32 conn_id;
u32 context_id;
- int rc;
conn_id = ofld_kcqe->fcoe_conn_id;
context_id = ofld_kcqe->fcoe_conn_context_id;
@@ -1153,17 +1148,10 @@ static void bnx2fc_process_ofld_cmpl(struct bnx2fc_hba *hba,
"resources\n");
set_bit(BNX2FC_FLAG_CTX_ALLOC_FAILURE, &tgt->flags);
}
- goto ofld_cmpl_err;
} else {
-
- /* now enable the session */
- rc = bnx2fc_send_session_enable_req(port, tgt);
- if (rc) {
- printk(KERN_ERR PFX "enable session failed\n");
- goto ofld_cmpl_err;
- }
+ /* FW offload request successfully completed */
+ set_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
}
- return;
ofld_cmpl_err:
set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags);
wake_up_interruptible(&tgt->ofld_wait);
@@ -1210,15 +1198,9 @@ static void bnx2fc_process_enable_conn_cmpl(struct bnx2fc_hba *hba,
printk(KERN_ERR PFX "bnx2fc-enbl_cmpl: HBA mis-match\n");
goto enbl_cmpl_err;
}
- if (ofld_kcqe->completion_status)
- goto enbl_cmpl_err;
- else {
+ if (!ofld_kcqe->completion_status)
/* enable successful - rport ready for issuing IOs */
- set_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
- set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags);
- wake_up_interruptible(&tgt->ofld_wait);
- }
- return;
+ set_bit(BNX2FC_FLAG_ENABLED, &tgt->flags);
enbl_cmpl_err:
set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags);
@@ -1251,6 +1233,7 @@ static void bnx2fc_process_conn_disable_cmpl(struct bnx2fc_hba *hba,
/* disable successful */
BNX2FC_TGT_DBG(tgt, "disable successful\n");
clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
+ clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags);
set_bit(BNX2FC_FLAG_DISABLED, &tgt->flags);
set_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags);
wake_up_interruptible(&tgt->upld_wait);
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c
index 8d4626c07a12..60798e829de6 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
@@ -654,7 +654,7 @@ int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req)
mp_req->mp_resp_bd = dma_alloc_coherent(&hba->pcidev->dev, sz,
&mp_req->mp_resp_bd_dma,
GFP_ATOMIC);
- if (!mp_req->mp_req_bd) {
+ if (!mp_req->mp_resp_bd) {
printk(KERN_ERR PFX "unable to alloc MP resp bd\n");
bnx2fc_free_mp_resc(io_req);
return FAILED;
@@ -685,8 +685,8 @@ int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req)
static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags)
{
struct fc_lport *lport;
- struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device));
- struct fc_rport_libfc_priv *rp = rport->dd_data;
+ struct fc_rport *rport;
+ struct fc_rport_libfc_priv *rp;
struct fcoe_port *port;
struct bnx2fc_interface *interface;
struct bnx2fc_rport *tgt;
@@ -704,6 +704,7 @@ static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags)
unsigned long start = jiffies;
lport = shost_priv(host);
+ rport = starget_to_rport(scsi_target(sc_cmd->device));
port = lport_priv(lport);
interface = port->priv;
@@ -712,6 +713,7 @@ static int bnx2fc_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags)
rc = FAILED;
goto tmf_err;
}
+ rp = rport->dd_data;
rc = fc_block_scsi_eh(sc_cmd);
if (rc)
diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
index b9d0d9cb17f9..c57a3bb8a9fb 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c
@@ -33,6 +33,7 @@ static void bnx2fc_upld_timer(unsigned long data)
BNX2FC_TGT_DBG(tgt, "upld_timer - Upload compl not received!!\n");
/* fake upload completion */
clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
+ clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags);
set_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags);
wake_up_interruptible(&tgt->upld_wait);
}
@@ -55,10 +56,25 @@ static void bnx2fc_ofld_timer(unsigned long data)
* resources are freed up in bnx2fc_offload_session
*/
clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
+ clear_bit(BNX2FC_FLAG_ENABLED, &tgt->flags);
set_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags);
wake_up_interruptible(&tgt->ofld_wait);
}
+static void bnx2fc_ofld_wait(struct bnx2fc_rport *tgt)
+{
+ setup_timer(&tgt->ofld_timer, bnx2fc_ofld_timer, (unsigned long)tgt);
+ mod_timer(&tgt->ofld_timer, jiffies + BNX2FC_FW_TIMEOUT);
+
+ wait_event_interruptible(tgt->ofld_wait,
+ (test_bit(
+ BNX2FC_FLAG_OFLD_REQ_CMPL,
+ &tgt->flags)));
+ if (signal_pending(current))
+ flush_signals(current);
+ del_timer_sync(&tgt->ofld_timer);
+}
+
static void bnx2fc_offload_session(struct fcoe_port *port,
struct bnx2fc_rport *tgt,
struct fc_rport_priv *rdata)
@@ -103,17 +119,7 @@ retry_ofld:
* wait for the session is offloaded and enabled. 3 Secs
* should be ample time for this process to complete.
*/
- setup_timer(&tgt->ofld_timer, bnx2fc_ofld_timer, (unsigned long)tgt);
- mod_timer(&tgt->ofld_timer, jiffies + BNX2FC_FW_TIMEOUT);
-
- wait_event_interruptible(tgt->ofld_wait,
- (test_bit(
- BNX2FC_FLAG_OFLD_REQ_CMPL,
- &tgt->flags)));
- if (signal_pending(current))
- flush_signals(current);
-
- del_timer_sync(&tgt->ofld_timer);
+ bnx2fc_ofld_wait(tgt);
if (!(test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags))) {
if (test_and_clear_bit(BNX2FC_FLAG_CTX_ALLOC_FAILURE,
@@ -131,14 +137,23 @@ retry_ofld:
}
if (bnx2fc_map_doorbell(tgt)) {
printk(KERN_ERR PFX "map doorbell failed - no mem\n");
- /* upload will take care of cleaning up sess resc */
- lport->tt.rport_logoff(rdata);
+ goto ofld_err;
}
+ clear_bit(BNX2FC_FLAG_OFLD_REQ_CMPL, &tgt->flags);
+ rval = bnx2fc_send_session_enable_req(port, tgt);
+ if (rval) {
+ pr_err(PFX "enable session failed\n");
+ goto ofld_err;
+ }
+ bnx2fc_ofld_wait(tgt);
+ if (!(test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags)))
+ goto ofld_err;
return;
ofld_err:
/* couldn't offload the session. log off from this rport */
BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n");
+ clear_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags);
/* Free session resources */
bnx2fc_free_session_resc(hba, tgt);
tgt_init_err:
@@ -259,6 +274,19 @@ void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt)
spin_unlock_bh(&tgt->tgt_lock);
}
+static void bnx2fc_upld_wait(struct bnx2fc_rport *tgt)
+{
+ setup_timer(&tgt->upld_timer, bnx2fc_upld_timer, (unsigned long)tgt);
+ mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT);
+ wait_event_interruptible(tgt->upld_wait,
+ (test_bit(
+ BNX2FC_FLAG_UPLD_REQ_COMPL,
+ &tgt->flags)));
+ if (signal_pending(current))
+ flush_signals(current);
+ del_timer_sync(&tgt->upld_timer);
+}
+
static void bnx2fc_upload_session(struct fcoe_port *port,
struct bnx2fc_rport *tgt)
{
@@ -279,19 +307,8 @@ static void bnx2fc_upload_session(struct fcoe_port *port,
* wait for upload to complete. 3 Secs
* should be sufficient time for this process to complete.
*/
- setup_timer(&tgt->upld_timer, bnx2fc_upld_timer, (unsigned long)tgt);
- mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT);
-
BNX2FC_TGT_DBG(tgt, "waiting for disable compl\n");
- wait_event_interruptible(tgt->upld_wait,
- (test_bit(
- BNX2FC_FLAG_UPLD_REQ_COMPL,
- &tgt->flags)));
-
- if (signal_pending(current))
- flush_signals(current);
-
- del_timer_sync(&tgt->upld_timer);
+ bnx2fc_upld_wait(tgt);
/*
* traverse thru the active_q and tmf_q and cleanup
@@ -308,24 +325,13 @@ static void bnx2fc_upload_session(struct fcoe_port *port,
bnx2fc_send_session_destroy_req(hba, tgt);
/* wait for destroy to complete */
- setup_timer(&tgt->upld_timer,
- bnx2fc_upld_timer, (unsigned long)tgt);
- mod_timer(&tgt->upld_timer, jiffies + BNX2FC_FW_TIMEOUT);
-
- wait_event_interruptible(tgt->upld_wait,
- (test_bit(
- BNX2FC_FLAG_UPLD_REQ_COMPL,
- &tgt->flags)));
+ bnx2fc_upld_wait(tgt);
if (!(test_bit(BNX2FC_FLAG_DESTROYED, &tgt->flags)))
printk(KERN_ERR PFX "ERROR!! destroy timed out\n");
BNX2FC_TGT_DBG(tgt, "destroy wait complete flags = 0x%lx\n",
tgt->flags);
- if (signal_pending(current))
- flush_signals(current);
-
- del_timer_sync(&tgt->upld_timer);
} else if (test_bit(BNX2FC_FLAG_DISABLE_FAILED, &tgt->flags)) {
printk(KERN_ERR PFX "ERROR!! DISABLE req failed, destroy"
@@ -381,7 +387,9 @@ static int bnx2fc_init_tgt(struct bnx2fc_rport *tgt,
tgt->rq_cons_idx = 0;
atomic_set(&tgt->num_active_ios, 0);
- if (rdata->flags & FC_RP_FLAGS_RETRY) {
+ if (rdata->flags & FC_RP_FLAGS_RETRY &&
+ rdata->ids.roles & FC_RPORT_ROLE_FCP_TARGET &&
+ !(rdata->ids.roles & FC_RPORT_ROLE_FCP_INITIATOR)) {
tgt->dev_type = TYPE_TAPE;
tgt->io_timeout = 0; /* use default ULP timeout */
} else {
@@ -479,7 +487,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
tgt = (struct bnx2fc_rport *)&rp[1];
/* This can happen when ADISC finds the same target */
- if (test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags)) {
+ if (test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags)) {
BNX2FC_TGT_DBG(tgt, "already offloaded\n");
mutex_unlock(&hba->hba_mutex);
return;
@@ -494,11 +502,8 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
BNX2FC_TGT_DBG(tgt, "OFFLOAD num_ofld_sess = %d\n",
hba->num_ofld_sess);
- if (test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags)) {
- /*
- * Session is offloaded and enabled. Map
- * doorbell register for this target
- */
+ if (test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags)) {
+ /* Session is offloaded and enabled. */
BNX2FC_TGT_DBG(tgt, "sess offloaded\n");
/* This counter is protected with hba mutex */
hba->num_ofld_sess++;
@@ -535,7 +540,7 @@ void bnx2fc_rport_event_handler(struct fc_lport *lport,
*/
tgt = (struct bnx2fc_rport *)&rp[1];
- if (!(test_bit(BNX2FC_FLAG_OFFLOADED, &tgt->flags))) {
+ if (!(test_bit(BNX2FC_FLAG_ENABLED, &tgt->flags))) {
mutex_unlock(&hba->hba_mutex);
break;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.