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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 16:44:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 16:44:18 -0700
commitec7ae517537ae5c7b0b2cd7f562dfa3e7a05b954 (patch)
treee6b0c64a51a7c0aa0efd09d4f7a80872e3b1657a /drivers/scsi/fcoe
parent97d2eb13a019ec09cc1a7ea2d3705c0b117b3c0d (diff)
parent590134fa78fbdbe5fea78c7ae0b2c3364bc9572f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits) [SCSI] qla4xxx: export address/port of connection (fix udev disk names) [SCSI] ipr: Fix BUG on adapter dump timeout [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer [SCSI] hpsa: change confusing message to be more clear [SCSI] iscsi class: fix vlan configuration [SCSI] qla4xxx: fix data alignment and use nl helpers [SCSI] iscsi class: fix link local mispelling [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA [SCSI] aacraid: use lower snprintf() limit [SCSI] lpfc 8.3.27: Change driver version to 8.3.27 [SCSI] lpfc 8.3.27: T10 additions for SLI4 [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes [SCSI] megaraid_sas: Changelog and version update [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts ...
Diffstat (limited to 'drivers/scsi/fcoe')
-rw-r--r--drivers/scsi/fcoe/fcoe.c103
-rw-r--r--drivers/scsi/fcoe/fcoe.h11
-rw-r--r--drivers/scsi/fcoe/fcoe_transport.c101
3 files changed, 116 insertions, 99 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index a1c0ddd53aa..61384ee4049 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -51,7 +51,7 @@ MODULE_DESCRIPTION("FCoE");
MODULE_LICENSE("GPL v2");
/* Performance tuning parameters for fcoe */
-static unsigned int fcoe_ddp_min;
+static unsigned int fcoe_ddp_min = 4096;
module_param_named(ddp_min, fcoe_ddp_min, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ddp_min, "Minimum I/O size in bytes for " \
"Direct Data Placement (DDP).");
@@ -137,7 +137,6 @@ static int fcoe_vport_create(struct fc_vport *, bool disabled);
static int fcoe_vport_disable(struct fc_vport *, bool disable);
static void fcoe_set_vport_symbolic_name(struct fc_vport *);
static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *);
-static int fcoe_validate_vport_create(struct fc_vport *);
static struct libfc_function_template fcoe_libfc_fcn_templ = {
.frame_send = fcoe_xmit,
@@ -280,6 +279,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
* use the first one for SPMA */
real_dev = (netdev->priv_flags & IFF_802_1Q_VLAN) ?
vlan_dev_real_dev(netdev) : netdev;
+ fcoe->realdev = real_dev;
rcu_read_lock();
for_each_dev_addr(real_dev, ha) {
if ((ha->type == NETDEV_HW_ADDR_T_SAN) &&
@@ -580,23 +580,6 @@ static int fcoe_lport_config(struct fc_lport *lport)
}
/**
- * fcoe_get_wwn() - Get the world wide name from LLD if it supports it
- * @netdev: the associated net device
- * @wwn: the output WWN
- * @type: the type of WWN (WWPN or WWNN)
- *
- * Returns: 0 for success
- */
-static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
-{
- const struct net_device_ops *ops = netdev->netdev_ops;
-
- if (ops->ndo_fcoe_get_wwn)
- return ops->ndo_fcoe_get_wwn(netdev, wwn, type);
- return -EINVAL;
-}
-
-/**
* fcoe_netdev_features_change - Updates the lport's offload flags based
* on the LLD netdev's FCoE feature flags
*/
@@ -1134,8 +1117,9 @@ static void fcoe_percpu_thread_create(unsigned int cpu)
p = &per_cpu(fcoe_percpu, cpu);
- thread = kthread_create(fcoe_percpu_receive_thread,
- (void *)p, "fcoethread/%d", cpu);
+ thread = kthread_create_on_node(fcoe_percpu_receive_thread,
+ (void *)p, cpu_to_node(cpu),
+ "fcoethread/%d", cpu);
if (likely(!IS_ERR(thread))) {
kthread_bind(thread, cpu);
@@ -1538,7 +1522,13 @@ int fcoe_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 = fcoe->netdev;
+ if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN &&
+ fcoe->realdev->features & NETIF_F_HW_VLAN_TX) {
+ skb->vlan_tci = VLAN_TAG_PRESENT |
+ vlan_dev_vlan_id(fcoe->netdev);
+ skb->dev = fcoe->realdev;
+ } else
+ skb->dev = fcoe->netdev;
/* fill up mac and fcoe headers */
eh = eth_hdr(skb);
@@ -2446,7 +2436,7 @@ static int fcoe_vport_create(struct fc_vport *vport, bool disabled)
rc = fcoe_validate_vport_create(vport);
if (rc) {
- wwn_to_str(vport->port_name, buf, sizeof(buf));
+ fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
printk(KERN_ERR "fcoe: Failed to create vport, "
"WWPN (0x%s) already exists\n",
buf);
@@ -2555,28 +2545,9 @@ static void fcoe_set_vport_symbolic_name(struct fc_vport *vport)
static void fcoe_get_lesb(struct fc_lport *lport,
struct fc_els_lesb *fc_lesb)
{
- unsigned int cpu;
- u32 lfc, vlfc, mdac;
- struct fcoe_dev_stats *devst;
- struct fcoe_fc_els_lesb *lesb;
- struct rtnl_link_stats64 temp;
struct net_device *netdev = fcoe_netdev(lport);
- lfc = 0;
- vlfc = 0;
- mdac = 0;
- lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
- memset(lesb, 0, sizeof(*lesb));
- for_each_possible_cpu(cpu) {
- devst = per_cpu_ptr(lport->dev_stats, cpu);
- lfc += devst->LinkFailureCount;
- vlfc += devst->VLinkFailureCount;
- mdac += devst->MissDiscAdvCount;
- }
- lesb->lesb_link_fail = htonl(lfc);
- lesb->lesb_vlink_fail = htonl(vlfc);
- lesb->lesb_miss_fka = htonl(mdac);
- lesb->lesb_fcs_error = htonl(dev_get_stats(netdev, &temp)->rx_crc_errors);
+ __fcoe_get_lesb(lport, fc_lesb, netdev);
}
/**
@@ -2600,49 +2571,3 @@ static void fcoe_set_port_id(struct fc_lport *lport,
if (fp && fc_frame_payload_op(fp) == ELS_FLOGI)
fcoe_ctlr_recv_flogi(&fcoe->ctlr, lport, fp);
}
-
-/**
- * fcoe_validate_vport_create() - Validate a vport before creating it
- * @vport: NPIV port to be created
- *
- * This routine is meant to add validation for a vport before creating it
- * via fcoe_vport_create().
- * Current validations are:
- * - WWPN supplied is unique for given lport
- *
- *
-*/
-static int fcoe_validate_vport_create(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;
- int rc = 0;
- char buf[32];
-
- mutex_lock(&n_port->lp_mutex);
-
- wwn_to_str(vport->port_name, buf, sizeof(buf));
- /* Check if the wwpn is not same as that of the lport */
- if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) {
- FCOE_DBG("vport WWPN 0x%s is same as that of the "
- "base port WWPN\n", buf);
- rc = -EINVAL;
- goto out;
- }
-
- /* Check if there is any existing vport with same wwpn */
- list_for_each_entry(vn_port, &n_port->vports, list) {
- if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) {
- FCOE_DBG("vport with given WWPN 0x%s already "
- "exists\n", buf);
- rc = -EINVAL;
- break;
- }
- }
-
-out:
- mutex_unlock(&n_port->lp_mutex);
-
- return rc;
-}
diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h
index c4a93993c0c..6c6884bcf84 100644
--- a/drivers/scsi/fcoe/fcoe.h
+++ b/drivers/scsi/fcoe/fcoe.h
@@ -80,6 +80,7 @@ do { \
struct fcoe_interface {
struct list_head list;
struct net_device *netdev;
+ struct net_device *realdev;
struct packet_type fcoe_packet_type;
struct packet_type fip_packet_type;
struct fcoe_ctlr ctlr;
@@ -99,14 +100,4 @@ static inline struct net_device *fcoe_netdev(const struct fc_lport *lport)
((struct fcoe_port *)lport_priv(lport))->priv)->netdev;
}
-static inline void wwn_to_str(u64 wwn, char *buf, int len)
-{
- u8 wwpn[8];
-
- u64_to_wwn(wwn, wwpn);
- snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
- wwpn[0], wwpn[1], wwpn[2], wwpn[3],
- wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
-}
-
#endif /* _FCOE_H_ */
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index dac8e39a518..bd97b2273f2 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -83,6 +83,107 @@ static struct notifier_block libfcoe_notifier = {
.notifier_call = libfcoe_device_notification,
};
+void __fcoe_get_lesb(struct fc_lport *lport,
+ struct fc_els_lesb *fc_lesb,
+ struct net_device *netdev)
+{
+ unsigned int cpu;
+ u32 lfc, vlfc, mdac;
+ struct fcoe_dev_stats *devst;
+ struct fcoe_fc_els_lesb *lesb;
+ struct rtnl_link_stats64 temp;
+
+ lfc = 0;
+ vlfc = 0;
+ mdac = 0;
+ lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
+ memset(lesb, 0, sizeof(*lesb));
+ for_each_possible_cpu(cpu) {
+ devst = per_cpu_ptr(lport->dev_stats, cpu);
+ lfc += devst->LinkFailureCount;
+ vlfc += devst->VLinkFailureCount;
+ mdac += devst->MissDiscAdvCount;
+ }
+ lesb->lesb_link_fail = htonl(lfc);
+ lesb->lesb_vlink_fail = htonl(vlfc);
+ lesb->lesb_miss_fka = htonl(mdac);
+ lesb->lesb_fcs_error =
+ htonl(dev_get_stats(netdev, &temp)->rx_crc_errors);
+}
+EXPORT_SYMBOL_GPL(__fcoe_get_lesb);
+
+void fcoe_wwn_to_str(u64 wwn, char *buf, int len)
+{
+ u8 wwpn[8];
+
+ u64_to_wwn(wwn, wwpn);
+ snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x",
+ wwpn[0], wwpn[1], wwpn[2], wwpn[3],
+ wwpn[4], wwpn[5], wwpn[6], wwpn[7]);
+}
+EXPORT_SYMBOL_GPL(fcoe_wwn_to_str);
+
+/**
+ * fcoe_validate_vport_create() - Validate a vport before creating it
+ * @vport: NPIV port to be created
+ *
+ * This routine is meant to add validation for a vport before creating it
+ * via fcoe_vport_create().
+ * Current validations are:
+ * - WWPN supplied is unique for given lport
+ */
+int fcoe_validate_vport_create(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;
+ int rc = 0;
+ char buf[32];
+
+ mutex_lock(&n_port->lp_mutex);
+
+ fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf));
+ /* Check if the wwpn is not same as that of the lport */
+ if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) {
+ LIBFCOE_TRANSPORT_DBG("vport WWPN 0x%s is same as that of the "
+ "base port WWPN\n", buf);
+ rc = -EINVAL;
+ goto out;
+ }
+
+ /* Check if there is any existing vport with same wwpn */
+ list_for_each_entry(vn_port, &n_port->vports, list) {
+ if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) {
+ LIBFCOE_TRANSPORT_DBG("vport with given WWPN 0x%s "
+ "already exists\n", buf);
+ rc = -EINVAL;
+ break;
+ }
+ }
+out:
+ mutex_unlock(&n_port->lp_mutex);
+ return rc;
+}
+EXPORT_SYMBOL_GPL(fcoe_validate_vport_create);
+
+/**
+ * fcoe_get_wwn() - Get the world wide name from LLD if it supports it
+ * @netdev: the associated net device
+ * @wwn: the output WWN
+ * @type: the type of WWN (WWPN or WWNN)
+ *
+ * Returns: 0 for success
+ */
+int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
+{
+ const struct net_device_ops *ops = netdev->netdev_ops;
+
+ if (ops->ndo_fcoe_get_wwn)
+ return ops->ndo_fcoe_get_wwn(netdev, wwn, type);
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(fcoe_get_wwn);
+
/**
* fcoe_fc_crc() - Calculates the CRC for a given frame
* @fp: The frame to be checksumed