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path: root/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
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Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_fcoe.c')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c896
1 files changed, 482 insertions, 414 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index bdf62a5..b215f32 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -3,7 +3,7 @@
* cnic modules to create FCoE instances, send/receive non-offloaded
* FIP/FCoE packets, listen to link events etc.
*
- * Copyright (c) 2008 - 2010 Broadcom Corporation
+ * Copyright (c) 2008 - 2011 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -15,13 +15,14 @@
#include "bnx2fc.h"
static struct list_head adapter_list;
+static struct list_head if_list;
static u32 adapter_count;
static DEFINE_MUTEX(bnx2fc_dev_lock);
DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu);
#define DRV_MODULE_NAME "bnx2fc"
#define DRV_MODULE_VERSION BNX2FC_VERSION
-#define DRV_MODULE_RELDATE "Mar 17, 2011"
+#define DRV_MODULE_RELDATE "Oct 21, 2011"
static char version[] __devinitdata =
@@ -55,33 +56,36 @@ static struct scsi_host_template bnx2fc_shost_template;
static struct fc_function_template bnx2fc_transport_function;
static struct fc_function_template bnx2fc_vport_xport_function;
static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode);
+static void __bnx2fc_destroy(struct bnx2fc_interface *interface);
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);
static void bnx2fc_recv_frame(struct sk_buff *skb);
-static void bnx2fc_start_disc(struct bnx2fc_hba *hba);
+static void bnx2fc_start_disc(struct bnx2fc_interface *interface);
static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev);
-static int bnx2fc_net_config(struct fc_lport *lp);
static int bnx2fc_lport_config(struct fc_lport *lport);
static int bnx2fc_em_config(struct fc_lport *lport);
static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba);
static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba);
static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba);
static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba);
-static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
+static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
struct device *parent, int npiv);
static void bnx2fc_destroy_work(struct work_struct *work);
static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev);
+static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
+ *phys_dev);
+static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface);
static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic);
static int bnx2fc_fw_init(struct bnx2fc_hba *hba);
static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba);
static void bnx2fc_port_shutdown(struct fc_lport *lport);
-static void bnx2fc_stop(struct bnx2fc_hba *hba);
+static void bnx2fc_stop(struct bnx2fc_interface *interface);
static int __init bnx2fc_mod_init(void);
static void __exit bnx2fc_mod_exit(void);
@@ -95,6 +99,25 @@ static struct notifier_block bnx2fc_cpu_notifier = {
.notifier_call = bnx2fc_cpu_callback,
};
+static inline struct net_device *bnx2fc_netdev(const struct fc_lport *lport)
+{
+ return ((struct bnx2fc_interface *)
+ ((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_clean_rx_queue(struct fc_lport *lp)
{
struct fcoe_percpu_s *bg;
@@ -142,7 +165,8 @@ static void bnx2fc_abort_io(struct fc_lport *lport)
static void bnx2fc_cleanup(struct fc_lport *lport)
{
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
struct bnx2fc_rport *tgt;
int i;
@@ -219,7 +243,8 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
struct fcoe_crc_eof *cp;
struct sk_buff *skb;
struct fc_frame_header *fh;
- struct bnx2fc_hba *hba;
+ struct bnx2fc_interface *interface;
+ struct bnx2fc_hba *hba;
struct fcoe_port *port;
struct fcoe_hdr *hp;
struct bnx2fc_rport *tgt;
@@ -230,7 +255,8 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
int wlen, rc = 0;
port = (struct fcoe_port *)lport_priv(lport);
- hba = port->priv;
+ interface = port->priv;
+ hba = interface->hba;
fh = fc_frame_header_get(fp);
@@ -242,12 +268,12 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
}
if (unlikely(fh->fh_r_ctl == FC_RCTL_ELS_REQ)) {
- if (!hba->ctlr.sel_fcf) {
+ if (!interface->ctlr.sel_fcf) {
BNX2FC_HBA_DBG(lport, "FCF not selected yet!\n");
kfree_skb(skb);
return -EINVAL;
}
- if (fcoe_ctlr_els_send(&hba->ctlr, lport, skb))
+ if (fcoe_ctlr_els_send(&interface->ctlr, lport, skb))
return 0;
}
@@ -296,7 +322,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
return -ENOMEM;
}
frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1];
- cp = kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ)
+ cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ)
+ frag->page_offset;
} else {
cp = (struct fcoe_crc_eof *)skb_put(skb, tlen);
@@ -316,19 +342,19 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp)
skb_reset_network_header(skb);
skb->mac_len = elen;
skb->protocol = htons(ETH_P_FCOE);
- skb->dev = hba->netdev;
+ skb->dev = interface->netdev;
/* fill up mac and fcoe headers */
eh = eth_hdr(skb);
eh->h_proto = htons(ETH_P_FCOE);
- if (hba->ctlr.map_dest)
+ if (interface->ctlr.map_dest)
fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
else
/* insert GW address */
- memcpy(eh->h_dest, hba->ctlr.dest_addr, ETH_ALEN);
+ memcpy(eh->h_dest, interface->ctlr.dest_addr, ETH_ALEN);
- if (unlikely(hba->ctlr.flogi_oxid != FC_XID_UNKNOWN))
- memcpy(eh->h_source, hba->ctlr.ctl_src_addr, ETH_ALEN);
+ if (unlikely(interface->ctlr.flogi_oxid != FC_XID_UNKNOWN))
+ memcpy(eh->h_source, interface->ctlr.ctl_src_addr, ETH_ALEN);
else
memcpy(eh->h_source, port->data_src_addr, ETH_ALEN);
@@ -377,22 +403,30 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct net_device *olddev)
{
struct fc_lport *lport;
- struct bnx2fc_hba *hba;
+ struct bnx2fc_interface *interface;
struct fc_frame_header *fh;
struct fcoe_rcv_info *fr;
struct fcoe_percpu_s *bg;
+ struct sk_buff *tmp_skb;
unsigned short oxid;
- hba = container_of(ptype, struct bnx2fc_hba, fcoe_packet_type);
- lport = hba->ctlr.lp;
+ interface = container_of(ptype, struct bnx2fc_interface,
+ fcoe_packet_type);
+ lport = interface->ctlr.lp;
if (unlikely(lport == NULL)) {
- printk(KERN_ALERT PFX "bnx2fc_rcv: lport is NULL\n");
+ printk(KERN_ERR PFX "bnx2fc_rcv: lport is NULL\n");
goto err;
}
+ tmp_skb = skb_share_check(skb, GFP_ATOMIC);
+ if (!tmp_skb)
+ goto err;
+
+ skb = tmp_skb;
+
if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
- printk(KERN_ALERT PFX "bnx2fc_rcv: Wrong FC type frame\n");
+ printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
goto err;
}
@@ -411,7 +445,6 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
fr = fcoe_dev_from_skb(skb);
fr->fr_dev = lport;
- fr->ptype = ptype;
bg = &bnx2fc_global;
spin_lock_bh(&bg->fcoe_rx_list.lock);
@@ -469,7 +502,7 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
fr = fcoe_dev_from_skb(skb);
lport = fr->fr_dev;
if (unlikely(lport == NULL)) {
- printk(KERN_ALERT PFX "Invalid lport struct\n");
+ printk(KERN_ERR PFX "Invalid lport struct\n");
kfree_skb(skb);
return;
}
@@ -539,6 +572,14 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
break;
}
}
+
+ if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) {
+ /* Drop incoming ABTS */
+ put_cpu();
+ kfree_skb(skb);
+ return;
+ }
+
if (le32_to_cpu(fr_crc(fp)) !=
~crc32(~0, skb->data, fr_len)) {
if (stats->InvalidCRCCount < 5)
@@ -594,7 +635,8 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
struct fc_host_statistics *bnx2fc_stats;
struct fc_lport *lport = shost_priv(shost);
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
struct fcoe_statistics_params *fw_stats;
int rc = 0;
@@ -612,7 +654,7 @@ 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_stat1.fc_crc_cnt;
+ 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;
@@ -631,7 +673,7 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost)
static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
{
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
struct Scsi_Host *shost = lport->host;
int rc = 0;
@@ -654,7 +696,7 @@ static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
fc_host_max_npiv_vports(lport->host) = USHRT_MAX;
sprintf(fc_host_symbolic_name(lport->host), "%s v%s over %s",
BNX2FC_NAME, BNX2FC_VERSION,
- hba->netdev->name);
+ interface->netdev->name);
return 0;
}
@@ -662,11 +704,11 @@ static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev)
static void bnx2fc_link_speed_update(struct fc_lport *lport)
{
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
- struct net_device *netdev = hba->netdev;
+ struct bnx2fc_interface *interface = port->priv;
+ struct net_device *netdev = interface->netdev;
struct ethtool_cmd ecmd;
- if (!dev_ethtool_get_settings(netdev, &ecmd)) {
+ if (!__ethtool_get_settings(netdev, &ecmd)) {
lport->link_supported_speeds &=
~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
if (ecmd.supported & (SUPPORTED_1000baseT_Half |
@@ -679,6 +721,9 @@ static void bnx2fc_link_speed_update(struct fc_lport *lport)
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;
@@ -688,7 +733,8 @@ static void bnx2fc_link_speed_update(struct fc_lport *lport)
static int bnx2fc_link_ok(struct fc_lport *lport)
{
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
+ struct bnx2fc_interface *interface = port->priv;
+ struct bnx2fc_hba *hba = interface->hba;
struct net_device *dev = hba->phys_dev;
int rc = 0;
@@ -710,20 +756,22 @@ static int bnx2fc_link_ok(struct fc_lport *lport)
*/
void bnx2fc_get_link_state(struct bnx2fc_hba *hba)
{
- if (test_bit(__LINK_STATE_NOCARRIER, &hba->netdev->state))
+ if (test_bit(__LINK_STATE_NOCARRIER, &hba->phys_dev->state))
set_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
else
clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state);
}
-static int bnx2fc_net_config(struct fc_lport *lport)
+static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev)
{
struct bnx2fc_hba *hba;
+ struct bnx2fc_interface *interface;
struct fcoe_port *port;
u64 wwnn, wwpn;
port = lport_priv(lport);
- hba = port->priv;
+ interface = port->priv;
+ hba = interface->hba;
/* require support for get_pauseparam ethtool op. */
if (!hba->phys_dev->ethtool_ops ||
@@ -740,11 +788,16 @@ static int bnx2fc_net_config(struct fc_lport *lport)
bnx2fc_link_speed_update(lport);
if (!lport->vport) {
- wwnn = fcoe_wwn_from_mac(hba->ctlr.ctl_src_addr, 1, 0);
+ if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN))
+ wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr,
+ 1, 0);
BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn);
fc_set_wwnn(lport, wwnn);
- wwpn = fcoe_wwn_from_mac(hba->ctlr.ctl_src_addr, 2, 0);
+ if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN))
+ wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr,
+ 2, 0);
+
BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn);
fc_set_wwpn(lport, wwpn);
}
@@ -756,9 +809,9 @@ static void bnx2fc_destroy_timer(unsigned long data)
{
struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data;
- BNX2FC_HBA_DBG(hba->ctlr.lp, "ERROR:bnx2fc_destroy_timer - "
- "Destroy compl not received!!\n");
- hba->flags |= BNX2FC_FLAG_DESTROY_CMPL;
+ printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - "
+ "Destroy compl not received!!\n");
+ set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
wake_up_interruptible(&hba->destroy_wait);
}
@@ -767,73 +820,85 @@ static void bnx2fc_destroy_timer(unsigned long data)
*
* @context: adapter structure pointer
* @event: event type
+ * @vlan_id: vlan id - associated vlan id with this event
*
* Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and
- * NETDEV_CHANGE_MTU events
+ * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans.
*/
-static void bnx2fc_indicate_netevent(void *context, unsigned long event)
+static void bnx2fc_indicate_netevent(void *context, unsigned long event,
+ u16 vlan_id)
{
struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context;
- struct fc_lport *lport = hba->ctlr.lp;
+ struct fc_lport *lport;
struct fc_lport *vport;
+ struct bnx2fc_interface *interface, *tmp;
+ int wait_for_upload = 0;
u32 link_possible = 1;
- if (!test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
- BNX2FC_MISC_DBG("driver not ready. event=%s %ld\n",
- hba->netdev->name, event);
+ if (vlan_id != 0 && event != NETDEV_UNREGISTER)
return;
- }
-
- /*
- * ASSUMPTION:
- * indicate_netevent cannot be called from cnic unless bnx2fc
- * does register_device
- */
- BUG_ON(!lport);
-
- BNX2FC_HBA_DBG(lport, "enter netevent handler - event=%s %ld\n",
- hba->netdev->name, event);
switch (event) {
case NETDEV_UP:
- BNX2FC_HBA_DBG(lport, "Port up, adapter_state = %ld\n",
- hba->adapter_state);
if (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state))
printk(KERN_ERR "indicate_netevent: "\
- "adapter is not UP!!\n");
+ "hba is not UP!!\n");
break;
case NETDEV_DOWN:
- BNX2FC_HBA_DBG(lport, "Port down\n");
clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
link_possible = 0;
break;
case NETDEV_GOING_DOWN:
- BNX2FC_HBA_DBG(lport, "Port going down\n");
set_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
link_possible = 0;
break;
case NETDEV_CHANGE:
- BNX2FC_HBA_DBG(lport, "NETDEV_CHANGE\n");
break;
+ case NETDEV_UNREGISTER:
+ if (!vlan_id)
+ return;
+ mutex_lock(&bnx2fc_dev_lock);
+ list_for_each_entry_safe(interface, tmp, &if_list, list) {
+ if (interface->hba == hba &&
+ interface->vlan_id == (vlan_id & VLAN_VID_MASK))
+ __bnx2fc_destroy(interface);
+ }
+ mutex_unlock(&bnx2fc_dev_lock);
+ return;
+
default:
printk(KERN_ERR PFX "Unkonwn netevent %ld", event);
return;
}
- bnx2fc_link_speed_update(lport);
-
- if (link_possible && !bnx2fc_link_ok(lport)) {
- printk(KERN_ERR "indicate_netevent: call ctlr_link_up\n");
- fcoe_ctlr_link_up(&hba->ctlr);
- } else {
- printk(KERN_ERR "indicate_netevent: call ctlr_link_down\n");
- if (fcoe_ctlr_link_down(&hba->ctlr)) {
- clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
+ mutex_lock(&bnx2fc_dev_lock);
+ list_for_each_entry(interface, &if_list, list) {
+
+ if (interface->hba != hba)
+ continue;
+
+ lport = interface->ctlr.lp;
+ BNX2FC_HBA_DBG(lport, "netevent handler - event=%s %ld\n",
+ interface->netdev->name, event);
+
+ bnx2fc_link_speed_update(lport);
+
+ 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(&interface->ctlr);
+ } else if (fcoe_ctlr_link_down(&interface->ctlr)) {
mutex_lock(&lport->lp_mutex);
list_for_each_entry(vport, &lport->vports, list)
fc_host_port_type(vport->host) =
@@ -844,24 +909,26 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event)
get_cpu())->LinkFailureCount++;
put_cpu();
fcoe_clean_pending_queue(lport);
+ wait_for_upload = 1;
+ }
+ }
+ mutex_unlock(&bnx2fc_dev_lock);
- init_waitqueue_head(&hba->shutdown_wait);
- BNX2FC_HBA_DBG(lport, "indicate_netevent "
- "num_ofld_sess = %d\n",
- hba->num_ofld_sess);
- hba->wait_for_link_down = 1;
- BNX2FC_HBA_DBG(lport, "waiting for uploads to "
- "compl proc = %s\n",
- current->comm);
- wait_event_interruptible(hba->shutdown_wait,
- (hba->num_ofld_sess == 0));
- BNX2FC_HBA_DBG(lport, "wakeup - num_ofld_sess = %d\n",
+ if (wait_for_upload) {
+ clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
+ init_waitqueue_head(&hba->shutdown_wait);
+ BNX2FC_MISC_DBG("indicate_netevent "
+ "num_ofld_sess = %d\n",
hba->num_ofld_sess);
- hba->wait_for_link_down = 0;
+ hba->wait_for_link_down = 1;
+ wait_event_interruptible(hba->shutdown_wait,
+ (hba->num_ofld_sess == 0));
+ BNX2FC_MISC_DBG("wakeup - num_ofld_sess = %d\n",
+ hba->num_ofld_sess);
+ hba->wait_for_link_down = 0;
- if (signal_pending(current))
- flush_signals(current);
- }
+ if (signal_pending(current))
+ flush_signals(current);
}
}
@@ -880,23 +947,12 @@ static int bnx2fc_libfc_config(struct fc_lport *lport)
static int bnx2fc_em_config(struct fc_lport *lport)
{
- struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
-
if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, FCOE_MIN_XID,
FCOE_MAX_XID, NULL)) {
printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n");
return -ENOMEM;
}
- hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba, BNX2FC_MIN_XID,
- BNX2FC_MAX_XID);
-
- if (!hba->cmd_mgr) {
- printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
- fc_exch_mgr_free(lport);
- return -ENOMEM;
- }
return 0;
}
@@ -909,11 +965,8 @@ static int bnx2fc_lport_config(struct fc_lport *lport)
lport->e_d_tov = 2 * 1000;
lport->r_a_tov = 10 * 1000;
- /* REVISIT: enable when supporting tape devices
lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS |
FCP_SPPF_RETRY | FCP_SPPF_CONF_COMPL);
- */
- lport->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS);
lport->does_npiv = 1;
memset(&lport->rnid_gen, 0, sizeof(struct fc_els_rnid_gen));
@@ -943,9 +996,10 @@ static int bnx2fc_fip_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype,
struct net_device *orig_dev)
{
- struct bnx2fc_hba *hba;
- hba = container_of(ptype, struct bnx2fc_hba, fip_packet_type);
- fcoe_ctlr_recv(&hba->ctlr, skb);
+ struct bnx2fc_interface *interface;
+ interface = container_of(ptype, struct bnx2fc_interface,
+ fip_packet_type);
+ fcoe_ctlr_recv(&interface->ctlr, skb);
return 0;
}
@@ -996,18 +1050,31 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
struct Scsi_Host *shost = vport_to_shost(vport);
struct fc_lport *n_port = shost_priv(shost);
struct fcoe_port *port = lport_priv(n_port);
- struct bnx2fc_hba *hba = port->priv;
- struct net_device *netdev = hba->netdev;
+ struct bnx2fc_interface *interface = port->priv;
+ struct net_device *netdev = interface->netdev;
struct fc_lport *vn_port;
+ int rc;
+ char buf[32];
- if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
+ rc = fcoe_validate_vport_create(vport);
+ if (rc) {
+ fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
+ printk(KERN_ERR PFX "Failed to create vport, "
+ "WWPN (0x%s) already exists\n",
+ buf);
+ return rc;
+ }
+
+ if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
printk(KERN_ERR PFX "vn ports cannot be created on"
- "this hba\n");
+ "this interface\n");
return -EIO;
}
+ rtnl_lock();
mutex_lock(&bnx2fc_dev_lock);
- vn_port = bnx2fc_if_create(hba, &vport->dev, 1);
+ vn_port = bnx2fc_if_create(interface, &vport->dev, 1);
mutex_unlock(&bnx2fc_dev_lock);
+ rtnl_unlock();
if (IS_ERR(vn_port)) {
printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",
@@ -1026,16 +1093,46 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
return 0;
}
+static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport)
+{
+ struct bnx2fc_lport *blport, *tmp;
+
+ spin_lock_bh(&hba->hba_lock);
+ list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
+ if (blport->lport == lport) {
+ list_del(&blport->list);
+ kfree(blport);
+ }
+ }
+ spin_unlock_bh(&hba->hba_lock);
+}
+
static int bnx2fc_vport_destroy(struct fc_vport *vport)
{
struct Scsi_Host *shost = vport_to_shost(vport);
struct fc_lport *n_port = shost_priv(shost);
struct fc_lport *vn_port = vport->dd_data;
struct fcoe_port *port = lport_priv(vn_port);
+ struct bnx2fc_interface *interface = port->priv;
+ struct fc_lport *v_port;
+ bool found = false;
mutex_lock(&n_port->lp_mutex);
+ list_for_each_entry(v_port, &n_port->vports, list)
+ if (v_port->vport == vport) {
+ found = true;
+ break;
+ }
+
+ if (!found) {
+ mutex_unlock(&n_port->lp_mutex);
+ return -ENOENT;
+ }
list_del(&vn_port->list);
mutex_unlock(&n_port->lp_mutex);
+ bnx2fc_free_vport(interface->hba, port->lport);
+ bnx2fc_port_shutdown(port->lport);
+ bnx2fc_interface_put(interface);
queue_work(bnx2fc_wq, &port->destroy_work);
return 0;
}
@@ -1056,10 +1153,10 @@ static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable)
}
-static int bnx2fc_netdev_setup(struct bnx2fc_hba *hba)
+static int bnx2fc_interface_setup(struct bnx2fc_interface *interface)
{
- struct net_device *netdev = hba->netdev;
- struct net_device *physdev = hba->phys_dev;
+ struct net_device *netdev = interface->netdev;
+ struct net_device *physdev = interface->hba->phys_dev;
struct netdev_hw_addr *ha;
int sel_san_mac = 0;
@@ -1074,7 +1171,8 @@ static int bnx2fc_netdev_setup(struct bnx2fc_hba *hba)
if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
(is_valid_ether_addr(ha->addr))) {
- memcpy(hba->ctlr.ctl_src_addr, ha->addr, ETH_ALEN);
+ memcpy(interface->ctlr.ctl_src_addr, ha->addr,
+ ETH_ALEN);
sel_san_mac = 1;
BNX2FC_MISC_DBG("Found SAN MAC\n");
}
@@ -1084,15 +1182,15 @@ static int bnx2fc_netdev_setup(struct bnx2fc_hba *hba)
if (!sel_san_mac)
return -ENODEV;
- hba->fip_packet_type.func = bnx2fc_fip_recv;
- hba->fip_packet_type.type = htons(ETH_P_FIP);
- hba->fip_packet_type.dev = netdev;
- dev_add_pack(&hba->fip_packet_type);
+ interface->fip_packet_type.func = bnx2fc_fip_recv;
+ interface->fip_packet_type.type = htons(ETH_P_FIP);
+ interface->fip_packet_type.dev = netdev;
+ dev_add_pack(&interface->fip_packet_type);
- hba->fcoe_packet_type.func = bnx2fc_rcv;
- hba->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
- hba->fcoe_packet_type.dev = netdev;
- dev_add_pack(&hba->fcoe_packet_type);
+ interface->fcoe_packet_type.func = bnx2fc_rcv;
+ interface->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
+ interface->fcoe_packet_type.dev = netdev;
+ dev_add_pack(&interface->fcoe_packet_type);
return 0;
}
@@ -1128,53 +1226,54 @@ static void bnx2fc_release_transport(void)
static void bnx2fc_interface_release(struct kref *kref)
{
- struct bnx2fc_hba *hba;
+ struct bnx2fc_interface *interface;
struct net_device *netdev;
- struct net_device *phys_dev;
- hba = container_of(kref, struct bnx2fc_hba, kref);
+ interface = container_of(kref, struct bnx2fc_interface, kref);
BNX2FC_MISC_DBG("Interface is being released\n");
- netdev = hba->netdev;
- phys_dev = hba->phys_dev;
+ netdev = interface->netdev;
/* tear-down FIP controller */
- if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &hba->init_done))
- fcoe_ctlr_destroy(&hba->ctlr);
+ if (test_and_clear_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags))
+ fcoe_ctlr_destroy(&interface->ctlr);
+
+ kfree(interface);
- /* Free the command manager */
- if (hba->cmd_mgr) {
- bnx2fc_cmd_mgr_free(hba->cmd_mgr);
- hba->cmd_mgr = NULL;
- }
dev_put(netdev);
module_put(THIS_MODULE);
}
-static inline void bnx2fc_interface_get(struct bnx2fc_hba *hba)
+static inline void bnx2fc_interface_get(struct bnx2fc_interface *interface)
{
- kref_get(&hba->kref);
+ kref_get(&interface->kref);
}
-static inline void bnx2fc_interface_put(struct bnx2fc_hba *hba)
+static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface)
{
- kref_put(&hba->kref, bnx2fc_interface_release);
+ kref_put(&interface->kref, bnx2fc_interface_release);
}
-static void bnx2fc_interface_destroy(struct bnx2fc_hba *hba)
+static void bnx2fc_hba_destroy(struct bnx2fc_hba *hba)
{
+ /* Free the command manager */
+ if (hba->cmd_mgr) {
+ bnx2fc_cmd_mgr_free(hba->cmd_mgr);
+ hba->cmd_mgr = NULL;
+ }
+ kfree(hba->tgt_ofld_list);
bnx2fc_unbind_pcidev(hba);
kfree(hba);
}
/**
- * bnx2fc_interface_create - create a new fcoe instance
+ * bnx2fc_hba_create - create a new bnx2fc hba
*
* @cnic: pointer to cnic device
*
- * Creates a new FCoE instance on the given device which include allocating
- * hba structure, scsi_host and lport structures.
+ * Creates a new FCoE hba on the given device.
+ *
*/
-static struct bnx2fc_hba *bnx2fc_interface_create(struct cnic_dev *cnic)
+static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic)
{
struct bnx2fc_hba *hba;
int rc;
@@ -1189,65 +1288,83 @@ static struct bnx2fc_hba *bnx2fc_interface_create(struct cnic_dev *cnic)
hba->cnic = cnic;
rc = bnx2fc_bind_pcidev(hba);
- if (rc)
+ if (rc) {
+ printk(KERN_ERR PFX "create_adapter: bind error\n");
goto bind_err;
+ }
hba->phys_dev = cnic->netdev;
- /* will get overwritten after we do vlan discovery */
- hba->netdev = hba->phys_dev;
+ hba->next_conn_id = 0;
+
+ hba->tgt_ofld_list =
+ kzalloc(sizeof(struct bnx2fc_rport *) * BNX2FC_NUM_MAX_SESS,
+ GFP_KERNEL);
+ if (!hba->tgt_ofld_list) {
+ printk(KERN_ERR PFX "Unable to allocate tgt offload list\n");
+ goto tgtofld_err;
+ }
+
+ hba->num_ofld_sess = 0;
+
+ hba->cmd_mgr = bnx2fc_cmd_mgr_alloc(hba, BNX2FC_MIN_XID,
+ BNX2FC_MAX_XID);
+ if (!hba->cmd_mgr) {
+ printk(KERN_ERR PFX "em_config:bnx2fc_cmd_mgr_alloc failed\n");
+ goto cmgr_err;
+ }
init_waitqueue_head(&hba->shutdown_wait);
init_waitqueue_head(&hba->destroy_wait);
+ INIT_LIST_HEAD(&hba->vports);
return hba;
+
+cmgr_err:
+ kfree(hba->tgt_ofld_list);
+tgtofld_err:
+ bnx2fc_unbind_pcidev(hba);
bind_err:
- printk(KERN_ERR PFX "create_interface: bind error\n");
kfree(hba);
return NULL;
}
-static int bnx2fc_interface_setup(struct bnx2fc_hba *hba,
- enum fip_state fip_mode)
+struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba,
+ struct net_device *netdev,
+ enum fip_state fip_mode)
{
+ struct bnx2fc_interface *interface;
int rc = 0;
- struct net_device *netdev = hba->netdev;
- struct fcoe_ctlr *fip = &hba->ctlr;
+ interface = kzalloc(sizeof(*interface), GFP_KERNEL);
+ if (!interface) {
+ printk(KERN_ERR PFX "Unable to allocate interface structure\n");
+ return NULL;
+ }
dev_hold(netdev);
- kref_init(&hba->kref);
-
- hba->flags = 0;
+ kref_init(&interface->kref);
+ interface->hba = hba;
+ interface->netdev = netdev;
/* Initialize FIP */
- memset(fip, 0, sizeof(*fip));
- fcoe_ctlr_init(fip, fip_mode);
- hba->ctlr.send = bnx2fc_fip_send;
- hba->ctlr.update_mac = bnx2fc_update_src_mac;
- hba->ctlr.get_src_addr = bnx2fc_get_src_mac;
- set_bit(BNX2FC_CTLR_INIT_DONE, &hba->init_done);
-
- INIT_LIST_HEAD(&hba->vports);
- rc = bnx2fc_netdev_setup(hba);
- if (rc)
- goto setup_err;
-
- hba->next_conn_id = 0;
+ fcoe_ctlr_init(&interface->ctlr, fip_mode);
+ interface->ctlr.send = bnx2fc_fip_send;
+ interface->ctlr.update_mac = bnx2fc_update_src_mac;
+ interface->ctlr.get_src_addr = bnx2fc_get_src_mac;
+ set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags);
- memset(hba->tgt_ofld_list, 0, sizeof(hba->tgt_ofld_list));
- hba->num_ofld_sess = 0;
-
- return 0;
+ rc = bnx2fc_interface_setup(interface);
+ if (!rc)
+ return interface;
-setup_err:
- fcoe_ctlr_destroy(&hba->ctlr);
+ fcoe_ctlr_destroy(&interface->ctlr);
dev_put(netdev);
- bnx2fc_interface_put(hba);
- return rc;
+ kfree(interface);
+ return NULL;
}
/**
* bnx2fc_if_create - Create FCoE instance on a given interface
*
- * @hba: FCoE interface to create a local port on
+ * @interface: FCoE interface to create a local port on
* @parent: Device pointer to be the parent in sysfs for the SCSI host
* @npiv: Indicates if the port is vport or not
*
@@ -1255,7 +1372,7 @@ setup_err:
*
* Returns: Allocated fc_lport or an error pointer
*/
-static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
+static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface,
struct device *parent, int npiv)
{
struct fc_lport *lport, *n_port;
@@ -1263,11 +1380,12 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
struct Scsi_Host *shost;
struct fc_vport *vport = dev_to_vport(parent);
struct bnx2fc_lport *blport;
+ struct bnx2fc_hba *hba;
int rc = 0;
blport = kzalloc(sizeof(struct bnx2fc_lport), GFP_KERNEL);
if (!blport) {
- BNX2FC_HBA_DBG(hba->ctlr.lp, "Unable to alloc bnx2fc_lport\n");
+ BNX2FC_HBA_DBG(interface->ctlr.lp, "Unable to alloc blport\n");
return NULL;
}
@@ -1284,7 +1402,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
shost = lport->host;
port = lport_priv(lport);
port->lport = lport;
- port->priv = hba;
+ port->priv = interface;
INIT_WORK(&port->destroy_work, bnx2fc_destroy_work);
/* Configure fcoe_port */
@@ -1299,7 +1417,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
fc_set_wwpn(lport, vport->port_name);
}
/* Configure netdev and networking properties of the lport */
- rc = bnx2fc_net_config(lport);
+ rc = bnx2fc_net_config(lport, interface->netdev);
if (rc) {
printk(KERN_ERR PFX "Error on bnx2fc_net_config\n");
goto lp_config_err;
@@ -1308,7 +1426,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
rc = bnx2fc_shost_config(lport, parent);
if (rc) {
printk(KERN_ERR PFX "Couldnt configure shost for %s\n",
- hba->netdev->name);
+ interface->netdev->name);
goto lp_config_err;
}
@@ -1334,8 +1452,9 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
goto shost_err;
}
- bnx2fc_interface_get(hba);
+ bnx2fc_interface_get(interface);
+ hba = interface->hba;
spin_lock_bh(&hba->hba_lock);
blport->lport = lport;
list_add_tail(&blport->list, &hba->vports);
@@ -1352,27 +1471,34 @@ free_blport:
return NULL;
}
-static void bnx2fc_netdev_cleanup(struct bnx2fc_hba *hba)
+static void bnx2fc_net_cleanup(struct bnx2fc_interface *interface)
{
/* Dont listen for Ethernet packets anymore */
- __dev_remove_pack(&hba->fcoe_packet_type);
- __dev_remove_pack(&hba->fip_packet_type);
+ __dev_remove_pack(&interface->fcoe_packet_type);
+ __dev_remove_pack(&interface->fip_packet_type);
synchronize_net();
}
-static void bnx2fc_if_destroy(struct fc_lport *lport)
+static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface)
{
+ struct fc_lport *lport = interface->ctlr.lp;
struct fcoe_port *port = lport_priv(lport);
- struct bnx2fc_hba *hba = port->priv;
- struct bnx2fc_lport *blport, *tmp;
+ struct bnx2fc_hba *hba = interface->hba;
- BNX2FC_HBA_DBG(hba->ctlr.lp, "ENTERED bnx2fc_if_destroy\n");
/* Stop the transmit retry timer */
del_timer_sync(&port->timer);
/* Free existing transmit skbs */
fcoe_clean_pending_queue(lport);
+ bnx2fc_net_cleanup(interface);
+
+ bnx2fc_free_vport(hba, lport);
+}
+
+static void bnx2fc_if_destroy(struct fc_lport *lport)
+{
+
/* Free queued packets for the receive thread */
bnx2fc_clean_rx_queue(lport);
@@ -1389,19 +1515,20 @@ static void bnx2fc_if_destroy(struct fc_lport *lport)
/* Free memory used by statistical counters */
fc_lport_free_stats(lport);
- spin_lock_bh(&hba->hba_lock);
- list_for_each_entry_safe(blport, tmp, &hba->vports, list) {
- if (blport->lport == lport) {
- list_del(&blport->list);
- kfree(blport);
- }
- }
- spin_unlock_bh(&hba->hba_lock);
-
/* Release Scsi_Host */
scsi_host_put(lport->host);
+}
- bnx2fc_interface_put(hba);
+static void __bnx2fc_destroy(struct bnx2fc_interface *interface)
+{
+ struct fc_lport *lport = interface->ctlr.lp;
+ struct fcoe_port *port = lport_priv(lport);
+
+ bnx2fc_interface_cleanup(interface);
+ bnx2fc_stop(interface);
+ list_del(&interface->list);
+ bnx2fc_interface_put(interface);
+ queue_work(bnx2fc_wq, &port->destroy_work);
}
/**
@@ -1416,46 +1543,23 @@ static void bnx2fc_if_destroy(struct fc_lport *lport)
*/
static int bnx2fc_destroy(struct net_device *netdev)
{
- struct bnx2fc_hba *hba = NULL;
- struct net_device *phys_dev;
+ struct bnx2fc_interface *interface = NULL;
int rc = 0;
rtnl_lock();
-
mutex_lock(&bnx2fc_dev_lock);
- /* obtain physical netdev */
- if (netdev->priv_flags & IFF_802_1Q_VLAN)
- phys_dev = vlan_dev_real_dev(netdev);
- else {
- printk(KERN_ERR PFX "Not a vlan device\n");
- rc = -ENODEV;
- goto netdev_err;
- }
- hba = bnx2fc_hba_lookup(phys_dev);
- if (!hba || !hba->ctlr.lp) {
+ interface = bnx2fc_interface_lookup(netdev);
+ if (!interface || !interface->ctlr.lp) {
rc = -ENODEV;
- printk(KERN_ERR PFX "bnx2fc_destroy: hba or lport not found\n");
+ printk(KERN_ERR PFX "bnx2fc_destroy: interface or lport not found\n");
goto netdev_err;
}
- if (!test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
- printk(KERN_ERR PFX "bnx2fc_destroy: Create not called\n");
- goto netdev_err;
- }
-
- bnx2fc_netdev_cleanup(hba);
-
- bnx2fc_stop(hba);
-
- bnx2fc_if_destroy(hba->ctlr.lp);
- destroy_workqueue(hba->timer_work_queue);
+ destroy_workqueue(interface->timer_work_queue);
+ __bnx2fc_destroy(interface);
- if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done))
- bnx2fc_fw_destroy(hba);
-
- clear_bit(BNX2FC_CREATE_DONE, &hba->init_done);
netdev_err:
mutex_unlock(&bnx2fc_dev_lock);
rtnl_unlock();
@@ -1472,12 +1576,7 @@ static void bnx2fc_destroy_work(struct work_struct *work)
BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n");
- bnx2fc_port_shutdown(lport);
- rtnl_lock();
- mutex_lock(&bnx2fc_dev_lock);
bnx2fc_if_destroy(lport);
- mutex_unlock(&bnx2fc_dev_lock);
- rtnl_unlock();
}
static void bnx2fc_unbind_adapter_devices(struct bnx2fc_hba *hba)
@@ -1547,28 +1646,27 @@ static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba)
static void bnx2fc_ulp_start(void *handle)
{
struct bnx2fc_hba *hba = handle;
- struct fc_lport *lport = hba->ctlr.lp;
+ struct bnx2fc_interface *interface;
+ struct fc_lport *lport;
- BNX2FC_MISC_DBG("Entered %s\n", __func__);
mutex_lock(&bnx2fc_dev_lock);
- if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done))
- goto start_disc;
-
- if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done))
+ if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
bnx2fc_fw_init(hba);
-start_disc:
- mutex_unlock(&bnx2fc_dev_lock);
-
BNX2FC_MISC_DBG("bnx2fc started.\n");
- /* Kick off Fabric discovery*/
- if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
- printk(KERN_ERR PFX "ulp_init: start discovery\n");
- lport->tt.frame_send = bnx2fc_xmit;
- bnx2fc_start_disc(hba);
+ list_for_each_entry(interface, &if_list, list) {
+ if (interface->hba == hba) {
+ lport = interface->ctlr.lp;
+ /* Kick off Fabric discovery*/
+ printk(KERN_ERR PFX "ulp_init: start discovery\n");
+ lport->tt.frame_send = bnx2fc_xmit;
+ bnx2fc_start_disc(interface);
+ }
}
+
+ mutex_unlock(&bnx2fc_dev_lock);
}
static void bnx2fc_port_shutdown(struct fc_lport *lport)
@@ -1578,37 +1676,25 @@ static void bnx2fc_port_shutdown(struct fc_lport *lport)
fc_lport_destroy(lport);
}
-static void bnx2fc_stop(struct bnx2fc_hba *hba)
+static void bnx2fc_stop(struct bnx2fc_interface *interface)
{
struct fc_lport *lport;
struct fc_lport *vport;
- BNX2FC_MISC_DBG("ENTERED %s - init_done = %ld\n", __func__,
- hba->init_done);
- if (test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done) &&
- test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
- lport = hba->ctlr.lp;
- bnx2fc_port_shutdown(lport);
- BNX2FC_HBA_DBG(lport, "bnx2fc_stop: waiting for %d "
- "offloaded sessions\n",
- hba->num_ofld_sess);
- wait_event_interruptible(hba->shutdown_wait,
- (hba->num_ofld_sess == 0));
- 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;
- fcoe_ctlr_link_down(&hba->ctlr);
- fcoe_clean_pending_queue(lport);
-
- mutex_lock(&hba->hba_mutex);
- clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
- clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state);
+ if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags))
+ return;
- clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
- mutex_unlock(&hba->hba_mutex);
- }
+ lport = interface->ctlr.lp;
+ bnx2fc_port_shutdown(lport);
+
+ 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;
+ fcoe_ctlr_link_down(&interface->ctlr);
+ fcoe_clean_pending_queue(lport);
}
static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
@@ -1647,8 +1733,7 @@ static int bnx2fc_fw_init(struct bnx2fc_hba *hba)
}
- /* Mark HBA to indicate that the FW INIT is done */
- set_bit(BNX2FC_FW_INIT_DONE, &hba->init_done);
+ set_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags);
return 0;
err_unbind:
@@ -1659,7 +1744,7 @@ err_out:
static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
{
- if (test_and_clear_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
+ if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) {
if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) {
init_timer(&hba->destroy_timer);
hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT +
@@ -1668,8 +1753,9 @@ static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
hba->destroy_timer.data = (unsigned long)hba;
add_timer(&hba->destroy_timer);
wait_event_interruptible(hba->destroy_wait,
- (hba->flags &
- BNX2FC_FLAG_DESTROY_CMPL));
+ test_bit(BNX2FC_FLAG_DESTROY_CMPL,
+ &hba->flags));
+ clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags);
/* This should never happen */
if (signal_pending(current))
flush_signals(current);
@@ -1690,45 +1776,67 @@ static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba)
*/
static void bnx2fc_ulp_stop(void *handle)
{
- struct bnx2fc_hba *hba = (struct bnx2fc_hba *)handle;
+ struct bnx2fc_hba *hba = handle;
+ struct bnx2fc_interface *interface;
printk(KERN_ERR "ULP_STOP\n");
mutex_lock(&bnx2fc_dev_lock);
- bnx2fc_stop(hba);
+ if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags))
+ goto exit;
+ list_for_each_entry(interface, &if_list, list) {
+ if (interface->hba == hba)
+ bnx2fc_stop(interface);
+ }
+ BUG_ON(hba->num_ofld_sess != 0);
+
+ mutex_lock(&hba->hba_mutex);
+ clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
+ clear_bit(ADAPTER_STATE_GOING_DOWN,
+ &hba->adapter_state);
+
+ clear_bit(ADAPTER_STATE_READY, &hba->adapter_state);
+ mutex_unlock(&hba->hba_mutex);
+
bnx2fc_fw_destroy(hba);
+exit:
mutex_unlock(&bnx2fc_dev_lock);
}
-static void bnx2fc_start_disc(struct bnx2fc_hba *hba)
+static void bnx2fc_start_disc(struct bnx2fc_interface *interface)
{
struct fc_lport *lport;
int wait_cnt = 0;
BNX2FC_MISC_DBG("Entered %s\n", __func__);
/* Kick off FIP/FLOGI */
- if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
+ if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) {
printk(KERN_ERR PFX "Init not done yet\n");
return;
}
- lport = hba->ctlr.lp;
+ lport = interface->ctlr.lp;
BNX2FC_HBA_DBG(lport, "calling fc_fabric_login\n");
- if (!bnx2fc_link_ok(lport)) {
+ if (!bnx2fc_link_ok(lport) && interface->enabled) {
BNX2FC_HBA_DBG(lport, "ctlr_link_up\n");
- fcoe_ctlr_link_up(&hba->ctlr);
+ fcoe_ctlr_link_up(&interface->ctlr);
fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
- set_bit(ADAPTER_STATE_READY, &hba->adapter_state);
+ set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
}
/* wait for the FCF to be selected before issuing FLOGI */
- while (!hba->ctlr.sel_fcf) {
+ while (!interface->ctlr.sel_fcf) {
msleep(250);
/* give up after 3 secs */
if (++wait_cnt > 12)
break;
}
+
+ /* Reset max receive frame size to default */
+ if (fc_set_mfs(lport, BNX2FC_MFS))
+ return;
+
fc_lport_init(lport);
fc_fabric_login(lport);
}
@@ -1749,15 +1857,15 @@ static void bnx2fc_ulp_init(struct cnic_dev *dev)
BNX2FC_MISC_DBG("Entered %s\n", __func__);
/* bnx2fc works only when bnx2x is loaded */
- if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
+ if (!test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) ||
+ (dev->max_fcoe_conn == 0)) {
printk(KERN_ERR PFX "bnx2fc FCoE not supported on %s,"
- " flags: %lx\n",
- dev->netdev->name, dev->flags);
+ " flags: %lx fcoe_conn: %d\n",
+ dev->netdev->name, dev->flags, dev->max_fcoe_conn);
return;
}
- /* Configure FCoE interface */
- hba = bnx2fc_interface_create(dev);
+ hba = bnx2fc_hba_create(dev);
if (!hba) {
printk(KERN_ERR PFX "hba initialization failed\n");
return;
@@ -1765,7 +1873,7 @@ static void bnx2fc_ulp_init(struct cnic_dev *dev)
/* Add HBA to the adapter list */
mutex_lock(&bnx2fc_dev_lock);
- list_add_tail(&hba->link, &adapter_list);
+ list_add_tail(&hba->list, &adapter_list);
adapter_count++;
mutex_unlock(&bnx2fc_dev_lock);
@@ -1773,7 +1881,7 @@ static void bnx2fc_ulp_init(struct cnic_dev *dev)
rc = dev->register_device(dev, CNIC_ULP_FCOE,
(void *) hba);
if (rc)
- printk(KERN_ALERT PFX "register_device failed, rc = %d\n", rc);
+ printk(KERN_ERR PFX "register_device failed, rc = %d\n", rc);
else
set_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic);
}
@@ -1781,52 +1889,22 @@ static void bnx2fc_ulp_init(struct cnic_dev *dev)
static int bnx2fc_disable(struct net_device *netdev)
{
- struct bnx2fc_hba *hba;
- struct net_device *phys_dev;
- struct ethtool_drvinfo drvinfo;
+ struct bnx2fc_interface *interface;
int rc = 0;
rtnl_lock();
-
mutex_lock(&bnx2fc_dev_lock);
- /* obtain physical netdev */
- if (netdev->priv_flags & IFF_802_1Q_VLAN)
- phys_dev = vlan_dev_real_dev(netdev);
- else {
- printk(KERN_ERR PFX "Not a vlan device\n");
- rc = -ENODEV;
- goto nodev;
- }
-
- /* verify if the physical device is a netxtreme2 device */
- if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
- memset(&drvinfo, 0, sizeof(drvinfo));
- phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
- if (strcmp(drvinfo.driver, "bnx2x")) {
- printk(KERN_ERR PFX "Not a netxtreme2 device\n");
- rc = -ENODEV;
- goto nodev;
- }
- } else {
- printk(KERN_ERR PFX "unable to obtain drv_info\n");
- rc = -ENODEV;
- goto nodev;
- }
-
- printk(KERN_ERR PFX "phys_dev is netxtreme2 device\n");
-
- /* obtain hba and initialize rest of the structure */
- hba = bnx2fc_hba_lookup(phys_dev);
- if (!hba || !hba->ctlr.lp) {
+ interface = bnx2fc_interface_lookup(netdev);
+ if (!interface || !interface->ctlr.lp) {
rc = -ENODEV;
- printk(KERN_ERR PFX "bnx2fc_disable: hba or lport not found\n");
+ printk(KERN_ERR PFX "bnx2fc_disable: interface or lport not found\n");
} else {
- fcoe_ctlr_link_down(&hba->ctlr);
- fcoe_clean_pending_queue(hba->ctlr.lp);
+ interface->enabled = false;
+ fcoe_ctlr_link_down(&interface->ctlr);
+ fcoe_clean_pending_queue(interface->ctlr.lp);
}
-nodev:
mutex_unlock(&bnx2fc_dev_lock);
rtnl_unlock();
return rc;
@@ -1835,48 +1913,21 @@ nodev:
static int bnx2fc_enable(struct net_device *netdev)
{
- struct bnx2fc_hba *hba;
- struct net_device *phys_dev;
- struct ethtool_drvinfo drvinfo;
+ struct bnx2fc_interface *interface;
int rc = 0;
rtnl_lock();
-
- BNX2FC_MISC_DBG("Entered %s\n", __func__);
mutex_lock(&bnx2fc_dev_lock);
- /* obtain physical netdev */
- if (netdev->priv_flags & IFF_802_1Q_VLAN)
- phys_dev = vlan_dev_real_dev(netdev);
- else {
- printk(KERN_ERR PFX "Not a vlan device\n");
- rc = -ENODEV;
- goto nodev;
- }
- /* verify if the physical device is a netxtreme2 device */
- if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
- memset(&drvinfo, 0, sizeof(drvinfo));
- phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
- if (strcmp(drvinfo.driver, "bnx2x")) {
- printk(KERN_ERR PFX "Not a netxtreme2 device\n");
- rc = -ENODEV;
- goto nodev;
- }
- } else {
- printk(KERN_ERR PFX "unable to obtain drv_info\n");
+ interface = bnx2fc_interface_lookup(netdev);
+ if (!interface || !interface->ctlr.lp) {
rc = -ENODEV;
- goto nodev;
+ printk(KERN_ERR PFX "bnx2fc_enable: interface or lport not found\n");
+ } else if (!bnx2fc_link_ok(interface->ctlr.lp)) {
+ fcoe_ctlr_link_up(&interface->ctlr);
+ interface->enabled = true;
}
- /* obtain hba and initialize rest of the structure */
- hba = bnx2fc_hba_lookup(phys_dev);
- if (!hba || !hba->ctlr.lp) {
- rc = -ENODEV;
- printk(KERN_ERR PFX "bnx2fc_enable: hba or lport not found\n");
- } else if (!bnx2fc_link_ok(hba->ctlr.lp))
- fcoe_ctlr_link_up(&hba->ctlr);
-
-nodev:
mutex_unlock(&bnx2fc_dev_lock);
rtnl_unlock();
return rc;
@@ -1894,6 +1945,7 @@ nodev:
*/
static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
{
+ struct bnx2fc_interface *interface;
struct bnx2fc_hba *hba;
struct net_device *phys_dev;
struct fc_lport *lport;
@@ -1929,7 +1981,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
if (phys_dev->ethtool_ops && phys_dev->ethtool_ops->get_drvinfo) {
memset(&drvinfo, 0, sizeof(drvinfo));
phys_dev->ethtool_ops->get_drvinfo(phys_dev, &drvinfo);
- if (strcmp(drvinfo.driver, "bnx2x")) {
+ if (strncmp(drvinfo.driver, "bnx2x", strlen("bnx2x"))) {
printk(KERN_ERR PFX "Not a netxtreme2 device\n");
rc = -EINVAL;
goto netdev_err;
@@ -1940,7 +1992,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
goto netdev_err;
}
- /* obtain hba and initialize rest of the structure */
+ /* obtain interface and initialize rest of the structure */
hba = bnx2fc_hba_lookup(phys_dev);
if (!hba) {
rc = -ENODEV;
@@ -1948,67 +2000,68 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode)
goto netdev_err;
}
- if (!test_bit(BNX2FC_FW_INIT_DONE, &hba->init_done)) {
- rc = bnx2fc_fw_init(hba);
- if (rc)
- goto netdev_err;
- }
-
- if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
+ if (bnx2fc_interface_lookup(netdev)) {
rc = -EEXIST;
goto netdev_err;
}
- /* update netdev with vlan netdev */
- hba->netdev = netdev;
- hba->vlan_id = vlan_id;
- hba->vlan_enabled = 1;
-
- rc = bnx2fc_interface_setup(hba, fip_mode);
- if (rc) {
- printk(KERN_ERR PFX "bnx2fc_interface_setup failed\n");
+ interface = bnx2fc_interface_create(hba, netdev, fip_mode);
+ if (!interface) {
+ printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
goto ifput_err;
}
- hba->timer_work_queue =
+ interface->vlan_id = vlan_id;
+ interface->vlan_enabled = 1;
+
+ interface->timer_work_queue =
create_singlethread_workqueue("bnx2fc_timer_wq");
- if (!hba->timer_work_queue) {
+ if (!interface->timer_work_queue) {
printk(KERN_ERR PFX "ulp_init could not create timer_wq\n");
rc = -EINVAL;
goto ifput_err;
}
- lport = bnx2fc_if_create(hba, &hba->pcidev->dev, 0);
+ lport = bnx2fc_if_create(interface, &interface->hba->pcidev->dev, 0);
if (!lport) {
printk(KERN_ERR PFX "Failed to create interface (%s)\n",
netdev->name);
- bnx2fc_netdev_cleanup(hba);
rc = -EINVAL;
goto if_create_err;
}
+ /* Add interface to if_list */
+ list_add_tail(&interface->list, &if_list);
+
lport->boot_time = jiffies;
/* Make this master N_port */
- hba->ctlr.lp = lport;
+ interface->ctlr.lp = lport;
- set_bit(BNX2FC_CREATE_DONE, &hba->init_done);
- printk(KERN_ERR PFX "create: START DISC\n");
- bnx2fc_start_disc(hba);
+ if (!bnx2fc_link_ok(lport)) {
+ fcoe_ctlr_link_up(&interface->ctlr);
+ fc_host_port_type(lport->host) = FC_PORTTYPE_NPORT;
+ set_bit(ADAPTER_STATE_READY, &interface->hba->adapter_state);
+ }
+
+ BNX2FC_HBA_DBG(lport, "create: START DISC\n");
+ bnx2fc_start_disc(interface);
+ interface->enabled = true;
/*
* Release from kref_init in bnx2fc_interface_setup, on success
* lport should be holding a reference taken in bnx2fc_if_create
*/
- bnx2fc_interface_put(hba);
+ bnx2fc_interface_put(interface);
/* put netdev that was held while calling dev_get_by_name */
mutex_unlock(&bnx2fc_dev_lock);
rtnl_unlock();
return 0;
if_create_err:
- destroy_workqueue(hba->timer_work_queue);
+ destroy_workqueue(interface->timer_work_queue);
ifput_err:
- bnx2fc_interface_put(hba);
+ bnx2fc_net_cleanup(interface);
+ bnx2fc_interface_put(interface);
netdev_err:
module_put(THIS_MODULE);
mod_err:
@@ -2018,7 +2071,7 @@ mod_err:
}
/**
- * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc adapter instance
+ * bnx2fc_find_hba_for_cnic - maps cnic instance to bnx2fc hba instance
*
* @cnic: Pointer to cnic device instance
*
@@ -2038,19 +2091,30 @@ static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic)
return NULL;
}
-static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev)
+static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device
+ *netdev)
+{
+ struct bnx2fc_interface *interface;
+
+ /* Called with bnx2fc_dev_lock held */
+ list_for_each_entry(interface, &if_list, list) {
+ if (interface->netdev == netdev)
+ return interface;
+ }
+ return NULL;
+}
+
+static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device
+ *phys_dev)
{
- struct list_head *list;
- struct list_head *temp;
struct bnx2fc_hba *hba;
/* Called with bnx2fc_dev_lock held */
- list_for_each_safe(list, temp, &adapter_list) {
- hba = (struct bnx2fc_hba *)list;
+ list_for_each_entry(hba, &adapter_list, list) {
if (hba->phys_dev == phys_dev)
return hba;
}
- printk(KERN_ERR PFX "hba_lookup: hba NULL\n");
+ printk(KERN_ERR PFX "adapter_lookup: hba NULL\n");
return NULL;
}
@@ -2062,6 +2126,7 @@ static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev)
static void bnx2fc_ulp_exit(struct cnic_dev *dev)
{
struct bnx2fc_hba *hba;
+ struct bnx2fc_interface *interface, *tmp;
BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n");
@@ -2080,21 +2145,20 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev)
return;
}
- list_del_init(&hba->link);
+ list_del_init(&hba->list);
adapter_count--;
- if (test_bit(BNX2FC_CREATE_DONE, &hba->init_done)) {
+ list_for_each_entry_safe(interface, tmp, &if_list, list)
/* destroy not called yet, move to quiesced list */
- bnx2fc_netdev_cleanup(hba);
- bnx2fc_if_destroy(hba->ctlr.lp);
- }
+ if (interface->hba == hba)
+ __bnx2fc_destroy(interface);
mutex_unlock(&bnx2fc_dev_lock);
bnx2fc_ulp_stop(hba);
/* unregister cnic device */
if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic))
hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
- bnx2fc_interface_destroy(hba);
+ bnx2fc_hba_destroy(hba);
}
/**
@@ -2156,7 +2220,7 @@ static void bnx2fc_percpu_thread_create(unsigned int cpu)
(void *)p,
"bnx2fc_thread/%d", cpu);
/* bind thread to the cpu */
- if (likely(!IS_ERR(p->iothread))) {
+ if (likely(!IS_ERR(thread))) {
kthread_bind(thread, cpu);
p->iothread = thread;
wake_up_process(thread);
@@ -2168,7 +2232,6 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
struct bnx2fc_percpu_s *p;
struct task_struct *thread;
struct bnx2fc_work *work, *tmp;
- LIST_HEAD(work_list);
BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu);
@@ -2180,7 +2243,7 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu)
/* Free all work in the list */
- list_for_each_entry_safe(work, tmp, &work_list, list) {
+ list_for_each_entry_safe(work, tmp, &p->work_list, list) {
list_del_init(&work->list);
bnx2fc_process_cq_compl(work->tgt, work->wqe);
kfree(work);
@@ -2250,6 +2313,7 @@ static int __init bnx2fc_mod_init(void)
}
INIT_LIST_HEAD(&adapter_list);
+ INIT_LIST_HEAD(&if_list);
mutex_init(&bnx2fc_dev_lock);
adapter_count = 0;
@@ -2327,16 +2391,17 @@ static void __exit bnx2fc_mod_exit(void)
mutex_unlock(&bnx2fc_dev_lock);
/* Unregister with cnic */
- list_for_each_entry_safe(hba, next, &to_be_deleted, link) {
- list_del_init(&hba->link);
- printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p, kref = %d\n",
- hba, atomic_read(&hba->kref.refcount));
+ list_for_each_entry_safe(hba, next, &to_be_deleted, list) {
+ list_del_init(&hba->list);
+ printk(KERN_ERR PFX "MOD_EXIT:destroy hba = 0x%p\n",
+ hba);
bnx2fc_ulp_stop(hba);
/* unregister cnic device */
if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED,
&hba->reg_with_cnic))
- hba->cnic->unregister_device(hba->cnic, CNIC_ULP_FCOE);
- bnx2fc_interface_destroy(hba);
+ hba->cnic->unregister_device(hba->cnic,
+ CNIC_ULP_FCOE);
+ bnx2fc_hba_destroy(hba);
}
cnic_unregister_driver(CNIC_ULP_FCOE);
@@ -2411,6 +2476,7 @@ static struct fc_function_template bnx2fc_transport_function = {
.vport_create = bnx2fc_vport_create,
.vport_delete = bnx2fc_vport_destroy,
.vport_disable = bnx2fc_vport_disable,
+ .bsg_request = fc_lport_bsg_request,
};
static struct fc_function_template bnx2fc_vport_xport_function = {
@@ -2444,6 +2510,7 @@ static struct fc_function_template bnx2fc_vport_xport_function = {
.get_fc_host_stats = fc_get_host_stats,
.issue_fc_host_lip = bnx2fc_fcoe_reset,
.terminate_rport_io = fc_rport_terminate_io,
+ .bsg_request = fc_lport_bsg_request,
};
/**
@@ -2473,6 +2540,7 @@ 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,
.rport_event_callback = bnx2fc_rport_event_handler,
};