/* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */
/* option of the RS/6000 Platform Architechture to interface with virtual */
/* ethernet NICs that are presented to the partition by the hypervisor. */
-/* */
+/* */
/**************************************************************************/
/*
TODO:
#else
#define ibmveth_debug_printk_no_adapter(fmt, args...)
#define ibmveth_debug_printk(fmt, args...)
-#define ibmveth_assert(expr)
+#define ibmveth_assert(expr)
#endif
static int ibmveth_open(struct net_device *dev);
{
int i;
- pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL);
+ pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL);
if(!pool->free_map) {
return -1;
}
- pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL);
+ pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL);
if(!pool->dma_addr) {
kfree(pool->free_map);
pool->free_map = NULL;
free_index = pool->consumer_index++ % pool->size;
index = pool->free_map[free_index];
-
+
ibmveth_assert(index != IBM_VETH_INVALID_MAP);
ibmveth_assert(pool->skbuff[index] == NULL);
desc.desc = 0;
desc.fields.valid = 1;
desc.fields.length = pool->buff_size;
- desc.fields.address = dma_addr;
+ desc.fields.address = dma_addr;
lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
-
+
if(lpar_rc != H_SUCCESS) {
pool->free_map[free_index] = index;
pool->skbuff[index] = NULL;
adapter->replenish_add_buff_success++;
}
}
-
+
mb();
atomic_add(buffers_added, &(pool->available));
}
/* replenish routine */
-static void ibmveth_replenish_task(struct ibmveth_adapter *adapter)
+static void ibmveth_replenish_task(struct ibmveth_adapter *adapter)
{
int i;
for(i = 0; i < IbmVethNumBufferPools; i++)
if(adapter->rx_buff_pool[i].active)
- ibmveth_replenish_buffer_pool(adapter,
+ ibmveth_replenish_buffer_pool(adapter,
&adapter->rx_buff_pool[i]);
adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8);
desc.fields.address = adapter->rx_buff_pool[pool].dma_addr[index];
lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
-
+
if(lpar_rc != H_SUCCESS) {
ibmveth_debug_printk("h_add_logical_lan_buffer failed during recycle rc=%ld", lpar_rc);
ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator);
}
free_page((unsigned long)adapter->buffer_list_addr);
adapter->buffer_list_addr = NULL;
- }
+ }
if(adapter->filter_list_addr != NULL) {
if(!dma_mapping_error(adapter->filter_list_dma)) {
for(i = 0; i<IbmVethNumBufferPools; i++)
if (adapter->rx_buff_pool[i].active)
- ibmveth_free_buffer_pool(adapter,
+ ibmveth_free_buffer_pool(adapter,
&adapter->rx_buff_pool[i]);
}
for(i = 0; i<IbmVethNumBufferPools; i++)
rxq_entries += adapter->rx_buff_pool[i].size;
-
+
adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL);
adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL);
-
+
if(!adapter->buffer_list_addr || !adapter->filter_list_addr) {
ibmveth_error_printk("unable to allocate filter or buffer list pages\n");
ibmveth_cleanup(adapter);
ibmveth_debug_printk("filter list @ 0x%p\n", adapter->filter_list_addr);
ibmveth_debug_printk("receive q @ 0x%p\n", adapter->rx_queue.queue_addr);
-
+
lpar_rc = h_register_logical_lan(adapter->vdev->unit_address,
adapter->buffer_list_dma,
rxq_desc.desc,
rxq_desc.desc,
mac_address);
ibmveth_cleanup(adapter);
- return -ENONET;
+ return -ENONET;
}
for(i = 0; i<IbmVethNumBufferPools; i++) {
{
struct ibmveth_adapter *adapter = netdev->priv;
long lpar_rc;
-
+
ibmveth_debug_printk("close starting\n");
if (!adapter->pool_config)
desc[5].desc,
correlator);
} while ((lpar_rc == H_BUSY) && (retry_count--));
-
+
if(lpar_rc != H_SUCCESS && lpar_rc != H_DROPPED) {
int i;
ibmveth_error_printk("tx: h_send_logical_lan failed with rc=%ld\n", lpar_rc);
/* more work to do - return that we are not done yet */
netdev->quota -= frames_processed;
*budget -= frames_processed;
- return 1;
+ return 1;
}
/* we think we are done - reenable interrupts, then check once more to make sure we are done */
}
static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
-{
+{
struct net_device *netdev = dev_instance;
struct ibmveth_adapter *adapter = netdev->priv;
unsigned long lpar_rc;
ibmveth_error_printk("h_multicast_ctrl rc=%ld when adding an entry to the filter table\n", lpar_rc);
}
}
-
+
/* re-enable filtering */
lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address,
IbmVethMcastEnableFiltering,
unsigned int *mcastFilterSize_p;
- ibmveth_debug_printk_no_adapter("entering ibmveth_probe for UA 0x%x\n",
+ ibmveth_debug_printk_no_adapter("entering ibmveth_probe for UA 0x%x\n",
dev->unit_address);
mac_addr_p = (unsigned char *) vio_get_attribute(dev, VETH_MAC_ADDR, 0);
"attribute\n", __FILE__, __LINE__);
return 0;
}
-
+
mcastFilterSize_p= (unsigned int *) vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, 0);
if(!mcastFilterSize_p) {
printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find "
__FILE__, __LINE__);
return 0;
}
-
+
netdev = alloc_etherdev(sizeof(struct ibmveth_adapter));
if(!netdev)
adapter->netdev = netdev;
adapter->mcastFilterSize= *mcastFilterSize_p;
adapter->pool_config = 0;
-
+
/* Some older boxes running PHYP non-natively have an OF that
- returns a 8-byte local-mac-address field (and the first
+ returns a 8-byte local-mac-address field (and the first
2 bytes have to be ignored) while newer boxes' OF return
- a 6-byte field. Note that IEEE 1275 specifies that
+ a 6-byte field. Note that IEEE 1275 specifies that
local-mac-address must be a 6-byte field.
- The RPA doc specifies that the first byte must be 10b, so
+ The RPA doc specifies that the first byte must be 10b, so
we'll just look for it to solve this 8 vs. 6 byte field issue */
if ((*mac_addr_p & 0x3) != 0x02)
memcpy(&adapter->mac_addr, mac_addr_p, 6);
adapter->liobn = dev->iommu_table->it_index;
-
+
netdev->irq = dev->irq;
netdev->open = ibmveth_open;
netdev->poll = ibmveth_poll;
netdev->ethtool_ops = &netdev_ethtool_ops;
netdev->change_mtu = ibmveth_change_mtu;
SET_NETDEV_DEV(netdev, &dev->dev);
- netdev->features |= NETIF_F_LLTX;
+ netdev->features |= NETIF_F_LLTX;
spin_lock_init(&adapter->stats_lock);
memcpy(&netdev->dev_addr, &adapter->mac_addr, netdev->addr_len);
for(i = 0; i<IbmVethNumBufferPools; i++) {
struct kobject *kobj = &adapter->rx_buff_pool[i].kobj;
- ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i,
- pool_count[i], pool_size[i],
+ ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i,
+ pool_count[i], pool_size[i],
pool_active[i]);
kobj->parent = &dev->dev.kobj;
sprintf(kobj->name, "pool%d", i);
remove_proc_entry(IBMVETH_PROC_DIR, NULL);
}
-static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos)
+static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos)
{
if (*pos == 0) {
return (void *)1;
return NULL;
}
-static void ibmveth_seq_stop(struct seq_file *seq, void *v)
+static void ibmveth_seq_stop(struct seq_file *seq, void *v)
{
}
-static int ibmveth_seq_show(struct seq_file *seq, void *v)
+static int ibmveth_seq_show(struct seq_file *seq, void *v)
{
struct ibmveth_adapter *adapter = seq->private;
char *current_mac = ((char*) &adapter->netdev->dev_addr);
char *firmware_mac = ((char*) &adapter->mac_addr) ;
seq_printf(seq, "%s %s\n\n", ibmveth_driver_string, ibmveth_driver_version);
-
+
seq_printf(seq, "Unit Address: 0x%x\n", adapter->vdev->unit_address);
seq_printf(seq, "LIOBN: 0x%lx\n", adapter->liobn);
seq_printf(seq, "Current MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
seq_printf(seq, "Firmware MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
firmware_mac[0], firmware_mac[1], firmware_mac[2],
firmware_mac[3], firmware_mac[4], firmware_mac[5]);
-
+
seq_printf(seq, "\nAdapter Statistics:\n");
seq_printf(seq, " TX: skbuffs linearized: %ld\n", adapter->tx_linearized);
seq_printf(seq, " multi-descriptor sends: %ld\n", adapter->tx_multidesc_send);
seq_printf(seq, " add buffer failures: %ld\n", adapter->replenish_add_buff_failure);
seq_printf(seq, " invalid buffers: %ld\n", adapter->rx_invalid_buffer);
seq_printf(seq, " no buffers: %ld\n", adapter->rx_no_buffer);
-
+
return 0;
}
static struct seq_operations ibmveth_seq_ops = {
}
#else /* CONFIG_PROC_FS */
-static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter)
+static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter)
{
}
-static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter)
+static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter)
{
}
static void ibmveth_proc_register_driver(void)
static ssize_t veth_pool_show(struct kobject * kobj,
struct attribute * attr, char * buf)
{
- struct ibmveth_buff_pool *pool = container_of(kobj,
+ struct ibmveth_buff_pool *pool = container_of(kobj,
struct ibmveth_buff_pool,
kobj);
static ssize_t veth_pool_store(struct kobject * kobj, struct attribute * attr,
const char * buf, size_t count)
{
- struct ibmveth_buff_pool *pool = container_of(kobj,
+ struct ibmveth_buff_pool *pool = container_of(kobj,
struct ibmveth_buff_pool,
kobj);
- struct net_device *netdev =
+ struct net_device *netdev =
container_of(kobj->parent, struct device, kobj)->driver_data;
struct ibmveth_adapter *adapter = netdev->priv;
long value = simple_strtol(buf, NULL, 10);
{
vio_unregister_driver(&ibmveth_driver);
ibmveth_proc_unregister_driver();
-}
+}
module_init(ibmveth_module_init);
module_exit(ibmveth_module_exit);
projects / linux-2.6 / blobdiff