* number of packets outstanding to a remote partition at a time.
*/
-#include <linux/config.h>
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/ethtool.h>
-#include <asm/iSeries/mf.h>
-#include <asm/iSeries/iSeries_pci.h>
-#include <asm/uaccess.h>
+#include <linux/if_ether.h>
-#include <asm/iSeries/HvLpConfig.h>
-#include <asm/iSeries/HvTypes.h>
-#include <asm/iSeries/HvLpEvent.h>
+#include <asm/abs_addr.h>
+#include <asm/iseries/mf.h>
+#include <asm/uaccess.h>
+#include <asm/firmware.h>
+#include <asm/iseries/hv_lp_config.h>
+#include <asm/iseries/hv_types.h>
+#include <asm/iseries/hv_lp_event.h>
#include <asm/iommu.h>
#include <asm/vio.h>
struct veth_lpar_connection {
HvLpIndex remote_lp;
- struct work_struct statemachine_wq;
+ struct delayed_work statemachine_wq;
struct veth_msg *msgs;
int num_events;
struct veth_cap_data local_caps;
struct veth_port {
struct device *dev;
- struct net_device_stats stats;
u64 mac_addr;
HvLpIndexMap lpar_map;
static int veth_allocate_events(HvLpIndex rlp, int number)
{
- struct veth_allocation vc = { COMPLETION_INITIALIZER(vc.c), 0 };
+ struct veth_allocation vc =
+ { COMPLETION_INITIALIZER_ONSTACK(vc.c), 0 };
mf_allocate_lp_events(rlp, HvLpEvent_Type_VirtualLan,
sizeof(struct veth_lpevent), number,
SIMPLE_PORT_ATTR(num_mcast);
CUSTOM_PORT_ATTR(lpar_map, "0x%X\n", port->lpar_map);
CUSTOM_PORT_ATTR(stopped_map, "0x%X\n", port->stopped_map);
-CUSTOM_PORT_ATTR(mac_addr, "0x%lX\n", port->mac_addr);
+CUSTOM_PORT_ATTR(mac_addr, "0x%llX\n", port->mac_addr);
#define GET_PORT_ATTR(_name) (&veth_port_attr_##_name.attr)
static struct attribute *veth_port_default_attrs[] = {
static inline void veth_kick_statemachine(struct veth_lpar_connection *cnx)
{
- schedule_work(&cnx->statemachine_wq);
+ schedule_delayed_work(&cnx->statemachine_wq, 0);
}
static void veth_take_cap(struct veth_lpar_connection *cnx,
cnx->remote_lp);
} else {
memcpy(&cnx->cap_ack_event, event,
- sizeof(&cnx->cap_ack_event));
+ sizeof(cnx->cap_ack_event));
cnx->state |= VETH_STATE_GOTCAPACK;
veth_kick_statemachine(cnx);
}
};
}
-static void veth_handle_event(struct HvLpEvent *event, struct pt_regs *regs)
+static void veth_handle_event(struct HvLpEvent *event)
{
struct veth_lpevent *veth_event = (struct veth_lpevent *)event;
- if (event->xFlags.xFunction == HvLpEvent_Function_Ack)
+ if (hvlpevent_is_ack(event))
veth_handle_ack(veth_event);
- else if (event->xFlags.xFunction == HvLpEvent_Function_Int)
+ else
veth_handle_int(veth_event);
}
/* Convert timer to jiffies */
cnx->ack_timeout = remote_caps->ack_timeout * HZ / 1000000;
- if ( (remote_caps->num_buffers == 0)
- || (remote_caps->ack_threshold > VETH_MAX_ACKS_PER_MSG)
- || (remote_caps->ack_threshold == 0)
- || (cnx->ack_timeout == 0) ) {
+ if ( (remote_caps->num_buffers == 0) ||
+ (remote_caps->ack_threshold > VETH_MAX_ACKS_PER_MSG) ||
+ (remote_caps->ack_threshold == 0) ||
+ (cnx->ack_timeout == 0) ) {
veth_error("Received incompatible capabilities from LPAR %d.\n",
cnx->remote_lp);
return HvLpEvent_Rc_InvalidSubtypeData;
}
/* FIXME: The gotos here are a bit dubious */
-static void veth_statemachine(void *p)
+static void veth_statemachine(struct work_struct *work)
{
- struct veth_lpar_connection *cnx = (struct veth_lpar_connection *)p;
+ struct veth_lpar_connection *cnx =
+ container_of(work, struct veth_lpar_connection,
+ statemachine_wq.work);
int rlp = cnx->remote_lp;
int rc;
cnx->state |= VETH_STATE_OPEN;
}
- if ( (cnx->state & VETH_STATE_OPEN)
- && !(cnx->state & VETH_STATE_SENTMON) ) {
+ if ( (cnx->state & VETH_STATE_OPEN) &&
+ !(cnx->state & VETH_STATE_SENTMON) ) {
rc = veth_signalevent(cnx, VETH_EVENT_MONITOR,
HvLpEvent_AckInd_DoAck,
HvLpEvent_AckType_DeferredAck,
if (rc == HvLpEvent_Rc_Good) {
cnx->state |= VETH_STATE_SENTMON;
} else {
- if ( (rc != HvLpEvent_Rc_PartitionDead)
- && (rc != HvLpEvent_Rc_PathClosed) )
+ if ( (rc != HvLpEvent_Rc_PartitionDead) &&
+ (rc != HvLpEvent_Rc_PathClosed) )
veth_error("Error sending monitor to LPAR %d, "
"rc = %d\n", rlp, rc);
}
}
- if ( (cnx->state & VETH_STATE_OPEN)
- && !(cnx->state & VETH_STATE_SENTCAPS)) {
+ if ( (cnx->state & VETH_STATE_OPEN) &&
+ !(cnx->state & VETH_STATE_SENTCAPS)) {
u64 *rawcap = (u64 *)&cnx->local_caps;
rc = veth_signalevent(cnx, VETH_EVENT_CAP,
if (rc == HvLpEvent_Rc_Good) {
cnx->state |= VETH_STATE_SENTCAPS;
} else {
- if ( (rc != HvLpEvent_Rc_PartitionDead)
- && (rc != HvLpEvent_Rc_PathClosed) )
+ if ( (rc != HvLpEvent_Rc_PartitionDead) &&
+ (rc != HvLpEvent_Rc_PathClosed) )
veth_error("Error sending caps to LPAR %d, "
"rc = %d\n", rlp, rc);
}
}
- if ((cnx->state & VETH_STATE_GOTCAPS)
- && !(cnx->state & VETH_STATE_SENTCAPACK)) {
+ if ((cnx->state & VETH_STATE_GOTCAPS) &&
+ !(cnx->state & VETH_STATE_SENTCAPACK)) {
struct veth_cap_data *remote_caps = &cnx->remote_caps;
memcpy(remote_caps, &cnx->cap_event.u.caps_data,
goto cant_cope;
}
- if ((cnx->state & VETH_STATE_GOTCAPACK)
- && (cnx->state & VETH_STATE_GOTCAPS)
- && !(cnx->state & VETH_STATE_READY)) {
+ if ((cnx->state & VETH_STATE_GOTCAPACK) &&
+ (cnx->state & VETH_STATE_GOTCAPS) &&
+ !(cnx->state & VETH_STATE_READY)) {
if (cnx->cap_ack_event.base_event.xRc == HvLpEvent_Rc_Good) {
/* Start the ACK timer */
cnx->ack_timer.expires = jiffies + cnx->ack_timeout;
{
struct veth_lpar_connection *cnx;
struct veth_msg *msgs;
- int i, rc;
+ int i;
- if ( (rlp == this_lp)
- || ! HvLpConfig_doLpsCommunicateOnVirtualLan(this_lp, rlp) )
+ if ( (rlp == this_lp) ||
+ ! HvLpConfig_doLpsCommunicateOnVirtualLan(this_lp, rlp) )
return 0;
- cnx = kmalloc(sizeof(*cnx), GFP_KERNEL);
+ cnx = kzalloc(sizeof(*cnx), GFP_KERNEL);
if (! cnx)
return -ENOMEM;
- memset(cnx, 0, sizeof(*cnx));
cnx->remote_lp = rlp;
spin_lock_init(&cnx->lock);
- INIT_WORK(&cnx->statemachine_wq, veth_statemachine, cnx);
+ INIT_DELAYED_WORK(&cnx->statemachine_wq, veth_statemachine);
init_timer(&cnx->ack_timer);
cnx->ack_timer.function = veth_timed_ack;
/* This gets us 1 reference, which is held on behalf of the driver
* infrastructure. It's released at module unload. */
- kobject_init(&cnx->kobject);
- cnx->kobject.ktype = &veth_lpar_connection_ktype;
- rc = kobject_set_name(&cnx->kobject, "cnx%.2d", rlp);
- if (rc != 0)
- return rc;
+ kobject_init(&cnx->kobject, &veth_lpar_connection_ktype);
- msgs = kmalloc(VETH_NUMBUFFERS * sizeof(struct veth_msg), GFP_KERNEL);
+ msgs = kcalloc(VETH_NUMBUFFERS, sizeof(struct veth_msg), GFP_KERNEL);
if (! msgs) {
veth_error("Can't allocate buffers for LPAR %d.\n", rlp);
return -ENOMEM;
}
cnx->msgs = msgs;
- memset(msgs, 0, VETH_NUMBUFFERS * sizeof(struct veth_msg));
for (i = 0; i < VETH_NUMBUFFERS; i++) {
msgs[i].token = i;
static int veth_open(struct net_device *dev)
{
- struct veth_port *port = (struct veth_port *) dev->priv;
-
- memset(&port->stats, 0, sizeof (port->stats));
netif_start_queue(dev);
return 0;
}
return 0;
}
-static struct net_device_stats *veth_get_stats(struct net_device *dev)
-{
- struct veth_port *port = (struct veth_port *) dev->priv;
-
- return &port->stats;
-}
-
static int veth_change_mtu(struct net_device *dev, int new_mtu)
{
if ((new_mtu < 68) || (new_mtu > VETH_MAX_MTU))
static void veth_set_multicast_list(struct net_device *dev)
{
- struct veth_port *port = (struct veth_port *) dev->priv;
+ struct veth_port *port = netdev_priv(dev);
unsigned long flags;
write_lock_irqsave(&port->mcast_gate, flags);
return 1;
}
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
.get_drvinfo = veth_get_drvinfo,
.get_settings = veth_get_settings,
.get_link = veth_get_link,
};
-static struct net_device * __init veth_probe_one(int vlan, struct device *vdev)
+static const struct net_device_ops veth_netdev_ops = {
+ .ndo_open = veth_open,
+ .ndo_stop = veth_close,
+ .ndo_start_xmit = veth_start_xmit,
+ .ndo_change_mtu = veth_change_mtu,
+ .ndo_set_multicast_list = veth_set_multicast_list,
+ .ndo_set_mac_address = NULL,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+static struct net_device *veth_probe_one(int vlan,
+ struct vio_dev *vio_dev)
{
struct net_device *dev;
struct veth_port *port;
+ struct device *vdev = &vio_dev->dev;
int i, rc;
+ const unsigned char *mac_addr;
+
+ mac_addr = vio_get_attribute(vio_dev, "local-mac-address", NULL);
+ if (mac_addr == NULL)
+ mac_addr = vio_get_attribute(vio_dev, "mac-address", NULL);
+ if (mac_addr == NULL) {
+ veth_error("Unable to fetch MAC address from device tree.\n");
+ return NULL;
+ }
dev = alloc_etherdev(sizeof (struct veth_port));
if (! dev) {
return NULL;
}
- port = (struct veth_port *) dev->priv;
+ port = netdev_priv(dev);
spin_lock_init(&port->queue_lock);
rwlock_init(&port->mcast_gate);
}
port->dev = vdev;
- dev->dev_addr[0] = 0x02;
- dev->dev_addr[1] = 0x01;
- dev->dev_addr[2] = 0xff;
- dev->dev_addr[3] = vlan;
- dev->dev_addr[4] = 0xff;
- dev->dev_addr[5] = this_lp;
+ memcpy(dev->dev_addr, mac_addr, ETH_ALEN);
dev->mtu = VETH_MAX_MTU;
- memcpy(&port->mac_addr, dev->dev_addr, 6);
+ memcpy(&port->mac_addr, mac_addr, ETH_ALEN);
- dev->open = veth_open;
- dev->hard_start_xmit = veth_start_xmit;
- dev->stop = veth_close;
- dev->get_stats = veth_get_stats;
- dev->change_mtu = veth_change_mtu;
- dev->set_mac_address = NULL;
- dev->set_multicast_list = veth_set_multicast_list;
+ dev->netdev_ops = &veth_netdev_ops;
SET_ETHTOOL_OPS(dev, &ops);
SET_NETDEV_DEV(dev, vdev);
return NULL;
}
- kobject_init(&port->kobject);
- port->kobject.parent = &dev->class_dev.kobj;
- port->kobject.ktype = &veth_port_ktype;
- kobject_set_name(&port->kobject, "veth_port");
- if (0 != kobject_add(&port->kobject))
+ kobject_init(&port->kobject, &veth_port_ktype);
+ if (0 != kobject_add(&port->kobject, &dev->dev.kobj, "veth_port"))
veth_error("Failed adding port for %s to sysfs.\n", dev->name);
veth_info("%s attached to iSeries vlan %d (LPAR map = 0x%.4X)\n",
struct net_device *dev)
{
struct veth_lpar_connection *cnx = veth_cnx[rlp];
- struct veth_port *port = (struct veth_port *) dev->priv;
+ struct veth_port *port = netdev_priv(dev);
HvLpEvent_Rc rc;
struct veth_msg *msg = NULL;
unsigned long flags;
msg->data.addr[0] = dma_map_single(port->dev, skb->data,
skb->len, DMA_TO_DEVICE);
- if (dma_mapping_error(msg->data.addr[0]))
+ if (dma_mapping_error(port->dev, msg->data.addr[0]))
goto recycle_and_drop;
msg->dev = port->dev;
HvLpIndexMap lpmask,
struct net_device *dev)
{
- struct veth_port *port = (struct veth_port *) dev->priv;
int i, success, error;
success = error = 0;
}
if (error)
- port->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (success) {
- port->stats.tx_packets++;
- port->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
}
}
static int veth_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
unsigned char *frame = skb->data;
- struct veth_port *port = (struct veth_port *) dev->priv;
+ struct veth_port *port = netdev_priv(dev);
HvLpIndexMap lpmask;
if (! (frame[0] & 0x01)) {
if ( ! ((1 << rlp) & port->lpar_map) ) {
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
lpmask = 1 << rlp;
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
/* You must hold the connection's lock when you call this function. */
dma_address = msg->data.addr[0];
dma_length = msg->data.len[0];
- if (!dma_mapping_error(dma_address))
+ if (!dma_mapping_error(msg->dev, dma_address))
dma_unmap_single(msg->dev, dma_address, dma_length,
DMA_TO_DEVICE);
if (! dev)
continue;
- port = (struct veth_port *)dev->priv;
+ port = netdev_priv(dev);
if (! (port->lpar_map & (1<<cnx->remote_lp)))
continue;
if (! dev)
continue;
- port = (struct veth_port *)dev->priv;
+ port = netdev_priv(dev);
/* If this cnx is not on the vlan for this port, continue */
if (! (port->lpar_map & (1 << cnx->remote_lp)))
unsigned long done;
int i = 1;
- /* FIXME: skbs are continguous in real addresses. Do we
+ /* FIXME: skbs are contiguous in real addresses. Do we
* really need to break it into PAGE_SIZE chunks, or can we do
* it just at the granularity of iSeries real->absolute
* mapping? Indeed, given the way the allocator works, can we
* count on them being absolutely contiguous? */
- list[0].addr = ISERIES_HV_ADDR(p);
+ list[0].addr = iseries_hv_addr(p);
list[0].size = min(length,
PAGE_SIZE - ((unsigned long)p & ~PAGE_MASK));
done = list[0].size;
while (done < length) {
- list[i].addr = ISERIES_HV_ADDR(p + done);
+ list[i].addr = iseries_hv_addr(p + done);
list[i].size = min(length-done, PAGE_SIZE);
done += list[i].size;
i++;
cnx->dst_inst,
HvLpDma_AddressType_RealAddress,
HvLpDma_AddressType_TceIndex,
- ISERIES_HV_ADDR(&local_list),
- ISERIES_HV_ADDR(&remote_list),
+ iseries_hv_addr(&local_list),
+ iseries_hv_addr(&remote_list),
length);
if (rc != HvLpDma_Rc_Good) {
dev_kfree_skb_irq(skb);
continue;
}
- port = (struct veth_port *)dev->priv;
+ port = netdev_priv(dev);
dest = *((u64 *) skb->data) & 0xFFFFFFFFFFFF0000;
if ((vlan > HVMAXARCHITECTEDVIRTUALLANS) || !port) {
}
skb_put(skb, length);
- skb->dev = dev;
skb->protocol = eth_type_trans(skb, dev);
skb->ip_summed = CHECKSUM_NONE;
netif_rx(skb); /* send it up */
- port->stats.rx_packets++;
- port->stats.rx_bytes += length;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += length;
} while (startchunk += nchunks, startchunk < VETH_MAX_FRAMES_PER_MSG);
/* Ack it */
cnx->pending_acks[cnx->num_pending_acks++] =
event->base_event.xCorrelationToken;
- if ( (cnx->num_pending_acks >= cnx->remote_caps.ack_threshold)
- || (cnx->num_pending_acks >= VETH_MAX_ACKS_PER_MSG) )
+ if ( (cnx->num_pending_acks >= cnx->remote_caps.ack_threshold) ||
+ (cnx->num_pending_acks >= VETH_MAX_ACKS_PER_MSG) )
veth_flush_acks(cnx);
spin_unlock_irqrestore(&cnx->lock, flags);
struct net_device *dev;
struct veth_port *port;
- dev = veth_probe_one(i, &vdev->dev);
+ dev = veth_probe_one(i, vdev);
if (dev == NULL) {
veth_remove(vdev);
return 1;
* support.
*/
static struct vio_device_id veth_device_table[] __devinitdata = {
- { "vlan", "" },
+ { "network", "IBM,iSeries-l-lan" },
{ "", "" }
};
MODULE_DEVICE_TABLE(vio, veth_device_table);
static struct vio_driver veth_driver = {
- .name = DRV_NAME,
.id_table = veth_device_table,
.probe = veth_probe,
- .remove = veth_remove
+ .remove = veth_remove,
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ }
};
/*
* Module initialization/cleanup
*/
-void __exit veth_module_cleanup(void)
+static void __exit veth_module_cleanup(void)
{
int i;
struct veth_lpar_connection *cnx;
}
module_exit(veth_module_cleanup);
-int __init veth_module_init(void)
+static int __init veth_module_init(void)
{
int i;
int rc;
+ if (!firmware_has_feature(FW_FEATURE_ISERIES))
+ return -ENODEV;
+
this_lp = HvLpConfig_getLpIndex_outline();
for (i = 0; i < HVMAXARCHITECTEDLPS; ++i) {
continue;
kobj = &veth_cnx[i]->kobject;
- kobj->parent = &veth_driver.driver.kobj;
/* If the add failes, complain but otherwise continue */
- if (0 != kobject_add(kobj))
+ if (0 != driver_add_kobj(&veth_driver.driver, kobj,
+ "cnx%.2d", veth_cnx[i]->remote_lp))
veth_error("cnx %d: Failed adding to sysfs.\n", i);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff