/**************************************************************************/
/*
TODO:
- - remove frag processing code - no longer needed
- add support for sysfs
- possibly remove procfs support
*/
#include <linux/mm.h>
#include <linux/ethtool.h>
#include <linux/proc_fs.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <net/net_namespace.h>
#include <asm/semaphore.h>
#include <asm/hvcall.h>
#include <asm/atomic.h>
static int ibmveth_open(struct net_device *dev);
static int ibmveth_close(struct net_device *dev);
static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
-static int ibmveth_poll(struct net_device *dev, int *budget);
+static int ibmveth_poll(struct napi_struct *napi, int budget);
static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *dev);
-static struct net_device_stats *ibmveth_get_stats(struct net_device *dev);
static void ibmveth_set_multicast_list(struct net_device *dev);
static int ibmveth_change_mtu(struct net_device *dev, int new_mtu);
static void ibmveth_proc_register_driver(void);
static struct kobj_type ktype_veth_pool;
#ifdef CONFIG_PROC_FS
-#define IBMVETH_PROC_DIR "net/ibmveth"
+#define IBMVETH_PROC_DIR "ibmveth"
static struct proc_dir_entry *ibmveth_proc_dir;
#endif
MODULE_LICENSE("GPL");
MODULE_VERSION(ibmveth_driver_version);
+struct ibmveth_stat {
+ char name[ETH_GSTRING_LEN];
+ int offset;
+};
+
+#define IBMVETH_STAT_OFF(stat) offsetof(struct ibmveth_adapter, stat)
+#define IBMVETH_GET_STAT(a, off) *((u64 *)(((unsigned long)(a)) + off))
+
+struct ibmveth_stat ibmveth_stats[] = {
+ { "replenish_task_cycles", IBMVETH_STAT_OFF(replenish_task_cycles) },
+ { "replenish_no_mem", IBMVETH_STAT_OFF(replenish_no_mem) },
+ { "replenish_add_buff_failure", IBMVETH_STAT_OFF(replenish_add_buff_failure) },
+ { "replenish_add_buff_success", IBMVETH_STAT_OFF(replenish_add_buff_success) },
+ { "rx_invalid_buffer", IBMVETH_STAT_OFF(rx_invalid_buffer) },
+ { "rx_no_buffer", IBMVETH_STAT_OFF(rx_no_buffer) },
+ { "tx_map_failed", IBMVETH_STAT_OFF(tx_map_failed) },
+ { "tx_send_failed", IBMVETH_STAT_OFF(tx_send_failed) },
+};
+
/* simple methods of getting data from the current rxq entry */
+static inline u32 ibmveth_rxq_flags(struct ibmveth_adapter *adapter)
+{
+ return adapter->rx_queue.queue_addr[adapter->rx_queue.index].flags_off;
+}
+
+static inline int ibmveth_rxq_toggle(struct ibmveth_adapter *adapter)
+{
+ return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_TOGGLE) >> IBMVETH_RXQ_TOGGLE_SHIFT;
+}
+
static inline int ibmveth_rxq_pending_buffer(struct ibmveth_adapter *adapter)
{
- return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].toggle == adapter->rx_queue.toggle);
+ return (ibmveth_rxq_toggle(adapter) == adapter->rx_queue.toggle);
}
static inline int ibmveth_rxq_buffer_valid(struct ibmveth_adapter *adapter)
{
- return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].valid);
+ return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_VALID);
}
static inline int ibmveth_rxq_frame_offset(struct ibmveth_adapter *adapter)
{
- return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].offset);
+ return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_OFF_MASK);
}
static inline int ibmveth_rxq_frame_length(struct ibmveth_adapter *adapter)
return (adapter->rx_queue.queue_addr[adapter->rx_queue.index].length);
}
+static inline int ibmveth_rxq_csum_good(struct ibmveth_adapter *adapter)
+{
+ return (ibmveth_rxq_flags(adapter) & IBMVETH_RXQ_CSUM_GOOD);
+}
+
/* setup the initial settings for a buffer pool */
static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, u32 pool_index, u32 pool_size, u32 buff_size, u32 pool_active)
{
correlator = ((u64)pool->index << 32) | index;
*(u64*)skb->data = correlator;
- desc.desc = 0;
- desc.fields.valid = 1;
- desc.fields.length = pool->buff_size;
+ desc.fields.flags_len = IBMVETH_BUF_VALID | pool->buff_size;
desc.fields.address = dma_addr;
lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
return;
}
- desc.desc = 0;
- desc.fields.valid = 1;
- desc.fields.length = adapter->rx_buff_pool[pool].buff_size;
+ desc.fields.flags_len = IBMVETH_BUF_VALID |
+ adapter->rx_buff_pool[pool].buff_size;
desc.fields.address = adapter->rx_buff_pool[pool].dma_addr[index];
lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
ibmveth_debug_printk("open starting\n");
+ napi_enable(&adapter->napi);
+
for(i = 0; i<IbmVethNumBufferPools; i++)
rxq_entries += adapter->rx_buff_pool[i].size;
if(!adapter->buffer_list_addr || !adapter->filter_list_addr) {
ibmveth_error_printk("unable to allocate filter or buffer list pages\n");
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return -ENOMEM;
}
if(!adapter->rx_queue.queue_addr) {
ibmveth_error_printk("unable to allocate rx queue pages\n");
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return -ENOMEM;
}
(dma_mapping_error(adapter->rx_queue.queue_dma))) {
ibmveth_error_printk("unable to map filter or buffer list pages\n");
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return -ENOMEM;
}
memcpy(&mac_address, netdev->dev_addr, netdev->addr_len);
mac_address = mac_address >> 16;
- rxq_desc.desc = 0;
- rxq_desc.fields.valid = 1;
- rxq_desc.fields.length = adapter->rx_queue.queue_len;
+ rxq_desc.fields.flags_len = IBMVETH_BUF_VALID | adapter->rx_queue.queue_len;
rxq_desc.fields.address = adapter->rx_queue.queue_dma;
ibmveth_debug_printk("buffer list @ 0x%p\n", adapter->buffer_list_addr);
rxq_desc.desc,
mac_address);
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return -ENONET;
}
ibmveth_error_printk("unable to alloc pool\n");
adapter->rx_buff_pool[i].active = 0;
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return -ENOMEM ;
}
}
} while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY));
ibmveth_cleanup(adapter);
+ napi_disable(&adapter->napi);
return rc;
}
ibmveth_debug_printk("close starting\n");
+ napi_disable(&adapter->napi);
+
if (!adapter->pool_config)
netif_stop_queue(netdev);
return 1;
}
+static void ibmveth_set_rx_csum_flags(struct net_device *dev, u32 data)
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+
+ if (data)
+ adapter->rx_csum = 1;
+ else {
+ /*
+ * Since the ibmveth firmware interface does not have the concept of
+ * separate tx/rx checksum offload enable, if rx checksum is disabled
+ * we also have to disable tx checksum offload. Once we disable rx
+ * checksum offload, we are no longer allowed to send tx buffers that
+ * are not properly checksummed.
+ */
+ adapter->rx_csum = 0;
+ dev->features &= ~NETIF_F_IP_CSUM;
+ }
+}
+
+static void ibmveth_set_tx_csum_flags(struct net_device *dev, u32 data)
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+
+ if (data) {
+ dev->features |= NETIF_F_IP_CSUM;
+ adapter->rx_csum = 1;
+ } else
+ dev->features &= ~NETIF_F_IP_CSUM;
+}
+
+static int ibmveth_set_csum_offload(struct net_device *dev, u32 data,
+ void (*done) (struct net_device *, u32))
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+ u64 set_attr, clr_attr, ret_attr;
+ long ret;
+ int rc1 = 0, rc2 = 0;
+ int restart = 0;
+
+ if (netif_running(dev)) {
+ restart = 1;
+ adapter->pool_config = 1;
+ ibmveth_close(dev);
+ adapter->pool_config = 0;
+ }
+
+ set_attr = 0;
+ clr_attr = 0;
+
+ if (data)
+ set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM;
+ else
+ clr_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM;
+
+ ret = h_illan_attributes(adapter->vdev->unit_address, 0, 0, &ret_attr);
+
+ if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) &&
+ !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) &&
+ (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) {
+ ret = h_illan_attributes(adapter->vdev->unit_address, clr_attr,
+ set_attr, &ret_attr);
+
+ if (ret != H_SUCCESS) {
+ rc1 = -EIO;
+ ibmveth_error_printk("unable to change checksum offload settings."
+ " %d rc=%ld\n", data, ret);
+
+ ret = h_illan_attributes(adapter->vdev->unit_address,
+ set_attr, clr_attr, &ret_attr);
+ } else
+ done(dev, data);
+ } else {
+ rc1 = -EIO;
+ ibmveth_error_printk("unable to change checksum offload settings."
+ " %d rc=%ld ret_attr=%lx\n", data, ret, ret_attr);
+ }
+
+ if (restart)
+ rc2 = ibmveth_open(dev);
+
+ return rc1 ? rc1 : rc2;
+}
+
+static int ibmveth_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+
+ if ((data && adapter->rx_csum) || (!data && !adapter->rx_csum))
+ return 0;
+
+ return ibmveth_set_csum_offload(dev, data, ibmveth_set_rx_csum_flags);
+}
+
+static int ibmveth_set_tx_csum(struct net_device *dev, u32 data)
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+ int rc = 0;
+
+ if (data && (dev->features & NETIF_F_IP_CSUM))
+ return 0;
+ if (!data && !(dev->features & NETIF_F_IP_CSUM))
+ return 0;
+
+ if (data && !adapter->rx_csum)
+ rc = ibmveth_set_csum_offload(dev, data, ibmveth_set_tx_csum_flags);
+ else
+ ibmveth_set_tx_csum_flags(dev, data);
+
+ return rc;
+}
+
+static u32 ibmveth_get_rx_csum(struct net_device *dev)
+{
+ struct ibmveth_adapter *adapter = dev->priv;
+ return adapter->rx_csum;
+}
+
+static void ibmveth_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+ int i;
+
+ if (stringset != ETH_SS_STATS)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++, data += ETH_GSTRING_LEN)
+ memcpy(data, ibmveth_stats[i].name, ETH_GSTRING_LEN);
+}
+
+static int ibmveth_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(ibmveth_stats);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void ibmveth_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ int i;
+ struct ibmveth_adapter *adapter = dev->priv;
+
+ for (i = 0; i < ARRAY_SIZE(ibmveth_stats); i++)
+ data[i] = IBMVETH_GET_STAT(adapter, ibmveth_stats[i].offset);
+}
+
static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
.get_settings = netdev_get_settings,
.get_link = netdev_get_link,
- .get_sg = ethtool_op_get_sg,
- .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = ibmveth_set_tx_csum,
+ .get_rx_csum = ibmveth_get_rx_csum,
+ .set_rx_csum = ibmveth_set_rx_csum,
+ .get_strings = ibmveth_get_strings,
+ .get_sset_count = ibmveth_get_sset_count,
+ .get_ethtool_stats = ibmveth_get_ethtool_stats,
};
static int ibmveth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev)
{
struct ibmveth_adapter *adapter = netdev->priv;
- union ibmveth_buf_desc desc[IbmVethMaxSendFrags];
+ union ibmveth_buf_desc desc;
unsigned long lpar_rc;
- int nfrags = 0, curfrag;
unsigned long correlator;
unsigned long flags;
unsigned int retry_count;
unsigned int tx_send_failed = 0;
unsigned int tx_map_failed = 0;
+ desc.fields.flags_len = IBMVETH_BUF_VALID | skb->len;
+ desc.fields.address = dma_map_single(&adapter->vdev->dev, skb->data,
+ skb->len, DMA_TO_DEVICE);
- if ((skb_shinfo(skb)->nr_frags + 1) > IbmVethMaxSendFrags) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ ip_hdr(skb)->protocol != IPPROTO_TCP && skb_checksum_help(skb)) {
+ ibmveth_error_printk("tx: failed to checksum packet\n");
tx_dropped++;
goto out;
}
- memset(&desc, 0, sizeof(desc));
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ unsigned char *buf = skb_transport_header(skb) + skb->csum_offset;
- /* nfrags = number of frags after the initial fragment */
- nfrags = skb_shinfo(skb)->nr_frags;
+ desc.fields.flags_len |= (IBMVETH_BUF_NO_CSUM | IBMVETH_BUF_CSUM_GOOD);
- if(nfrags)
- adapter->tx_multidesc_send++;
-
- /* map the initial fragment */
- desc[0].fields.length = nfrags ? skb->len - skb->data_len : skb->len;
- desc[0].fields.address = dma_map_single(&adapter->vdev->dev, skb->data,
- desc[0].fields.length, DMA_TO_DEVICE);
- desc[0].fields.valid = 1;
+ /* Need to zero out the checksum */
+ buf[0] = 0;
+ buf[1] = 0;
+ }
- if(dma_mapping_error(desc[0].fields.address)) {
- ibmveth_error_printk("tx: unable to map initial fragment\n");
+ if (dma_mapping_error(desc.fields.address)) {
+ ibmveth_error_printk("tx: unable to map xmit buffer\n");
tx_map_failed++;
tx_dropped++;
goto out;
}
- curfrag = nfrags;
-
- /* map fragments past the initial portion if there are any */
- while(curfrag--) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[curfrag];
- desc[curfrag+1].fields.address
- = dma_map_single(&adapter->vdev->dev,
- page_address(frag->page) + frag->page_offset,
- frag->size, DMA_TO_DEVICE);
- desc[curfrag+1].fields.length = frag->size;
- desc[curfrag+1].fields.valid = 1;
-
- if(dma_mapping_error(desc[curfrag+1].fields.address)) {
- ibmveth_error_printk("tx: unable to map fragment %d\n", curfrag);
- tx_map_failed++;
- tx_dropped++;
- /* Free all the mappings we just created */
- while(curfrag < nfrags) {
- dma_unmap_single(&adapter->vdev->dev,
- desc[curfrag+1].fields.address,
- desc[curfrag+1].fields.length,
- DMA_TO_DEVICE);
- curfrag++;
- }
- goto out;
- }
- }
-
/* send the frame. Arbitrarily set retrycount to 1024 */
correlator = 0;
retry_count = 1024;
do {
lpar_rc = h_send_logical_lan(adapter->vdev->unit_address,
- desc[0].desc,
- desc[1].desc,
- desc[2].desc,
- desc[3].desc,
- desc[4].desc,
- desc[5].desc,
- correlator,
- &correlator);
+ desc.desc, 0, 0, 0, 0, 0,
+ correlator, &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);
- for(i = 0; i < 6; i++) {
- ibmveth_error_printk("tx: desc[%i] valid=%d, len=%d, address=0x%d\n", i,
- desc[i].fields.valid, desc[i].fields.length, desc[i].fields.address);
- }
+ ibmveth_error_printk("tx: valid=%d, len=%d, address=0x%08x\n",
+ (desc.fields.flags_len & IBMVETH_BUF_VALID) ? 1 : 0,
+ skb->len, desc.fields.address);
tx_send_failed++;
tx_dropped++;
} else {
netdev->trans_start = jiffies;
}
- do {
- dma_unmap_single(&adapter->vdev->dev,
- desc[nfrags].fields.address,
- desc[nfrags].fields.length, DMA_TO_DEVICE);
- } while(--nfrags >= 0);
+ dma_unmap_single(&adapter->vdev->dev, desc.fields.address,
+ skb->len, DMA_TO_DEVICE);
out: spin_lock_irqsave(&adapter->stats_lock, flags);
- adapter->stats.tx_dropped += tx_dropped;
- adapter->stats.tx_bytes += tx_bytes;
- adapter->stats.tx_packets += tx_packets;
+ netdev->stats.tx_dropped += tx_dropped;
+ netdev->stats.tx_bytes += tx_bytes;
+ netdev->stats.tx_packets += tx_packets;
adapter->tx_send_failed += tx_send_failed;
adapter->tx_map_failed += tx_map_failed;
spin_unlock_irqrestore(&adapter->stats_lock, flags);
return 0;
}
-static int ibmveth_poll(struct net_device *netdev, int *budget)
+static int ibmveth_poll(struct napi_struct *napi, int budget)
{
- struct ibmveth_adapter *adapter = netdev->priv;
- int max_frames_to_process = netdev->quota;
+ struct ibmveth_adapter *adapter = container_of(napi, struct ibmveth_adapter, napi);
+ struct net_device *netdev = adapter->netdev;
int frames_processed = 0;
- int more_work = 1;
unsigned long lpar_rc;
restart_poll:
do {
- struct net_device *netdev = adapter->netdev;
+ struct sk_buff *skb;
- if(ibmveth_rxq_pending_buffer(adapter)) {
- struct sk_buff *skb;
+ if (!ibmveth_rxq_pending_buffer(adapter))
+ break;
- rmb();
+ rmb();
+ if (!ibmveth_rxq_buffer_valid(adapter)) {
+ wmb(); /* suggested by larson1 */
+ adapter->rx_invalid_buffer++;
+ ibmveth_debug_printk("recycling invalid buffer\n");
+ ibmveth_rxq_recycle_buffer(adapter);
+ } else {
+ int length = ibmveth_rxq_frame_length(adapter);
+ int offset = ibmveth_rxq_frame_offset(adapter);
+ int csum_good = ibmveth_rxq_csum_good(adapter);
- if(!ibmveth_rxq_buffer_valid(adapter)) {
- wmb(); /* suggested by larson1 */
- adapter->rx_invalid_buffer++;
- ibmveth_debug_printk("recycling invalid buffer\n");
- ibmveth_rxq_recycle_buffer(adapter);
- } else {
- int length = ibmveth_rxq_frame_length(adapter);
- int offset = ibmveth_rxq_frame_offset(adapter);
- skb = ibmveth_rxq_get_buffer(adapter);
+ skb = ibmveth_rxq_get_buffer(adapter);
+ if (csum_good)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
- ibmveth_rxq_harvest_buffer(adapter);
+ ibmveth_rxq_harvest_buffer(adapter);
- skb_reserve(skb, offset);
- skb_put(skb, length);
- skb->protocol = eth_type_trans(skb, netdev);
+ skb_reserve(skb, offset);
+ skb_put(skb, length);
+ skb->protocol = eth_type_trans(skb, netdev);
- netif_receive_skb(skb); /* send it up */
+ netif_receive_skb(skb); /* send it up */
- adapter->stats.rx_packets++;
- adapter->stats.rx_bytes += length;
- frames_processed++;
- netdev->last_rx = jiffies;
- }
- } else {
- more_work = 0;
+ netdev->stats.rx_packets++;
+ netdev->stats.rx_bytes += length;
+ frames_processed++;
+ netdev->last_rx = jiffies;
}
- } while(more_work && (frames_processed < max_frames_to_process));
+ } while (frames_processed < budget);
ibmveth_replenish_task(adapter);
- if(more_work) {
- /* more work to do - return that we are not done yet */
- netdev->quota -= frames_processed;
- *budget -= frames_processed;
- return 1;
- }
-
- /* we think we are done - reenable interrupts, then check once more to make sure we are done */
- lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_ENABLE);
+ if (frames_processed < budget) {
+ /* We think we are done - reenable interrupts,
+ * then check once more to make sure we are done.
+ */
+ lpar_rc = h_vio_signal(adapter->vdev->unit_address,
+ VIO_IRQ_ENABLE);
- ibmveth_assert(lpar_rc == H_SUCCESS);
+ ibmveth_assert(lpar_rc == H_SUCCESS);
- netif_rx_complete(netdev);
+ netif_rx_complete(netdev, napi);
- if(ibmveth_rxq_pending_buffer(adapter) && netif_rx_reschedule(netdev, frames_processed))
- {
- lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE);
- ibmveth_assert(lpar_rc == H_SUCCESS);
- more_work = 1;
- goto restart_poll;
+ if (ibmveth_rxq_pending_buffer(adapter) &&
+ netif_rx_reschedule(netdev, napi)) {
+ lpar_rc = h_vio_signal(adapter->vdev->unit_address,
+ VIO_IRQ_DISABLE);
+ goto restart_poll;
+ }
}
- netdev->quota -= frames_processed;
- *budget -= frames_processed;
-
- /* we really are done */
- return 0;
+ return frames_processed;
}
static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance)
struct ibmveth_adapter *adapter = netdev->priv;
unsigned long lpar_rc;
- if(netif_rx_schedule_prep(netdev)) {
- lpar_rc = h_vio_signal(adapter->vdev->unit_address, VIO_IRQ_DISABLE);
+ if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+ lpar_rc = h_vio_signal(adapter->vdev->unit_address,
+ VIO_IRQ_DISABLE);
ibmveth_assert(lpar_rc == H_SUCCESS);
- __netif_rx_schedule(netdev);
+ __netif_rx_schedule(netdev, &adapter->napi);
}
return IRQ_HANDLED;
}
-static struct net_device_stats *ibmveth_get_stats(struct net_device *dev)
-{
- struct ibmveth_adapter *adapter = dev->priv;
- return &adapter->stats;
-}
-
static void ibmveth_set_multicast_list(struct net_device *netdev)
{
struct ibmveth_adapter *adapter = netdev->priv;
static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
{
int rc, i;
+ long ret;
struct net_device *netdev;
struct ibmveth_adapter *adapter;
+ u64 set_attr, ret_attr;
unsigned char *mac_addr_p;
unsigned int *mcastFilterSize_p;
if(!netdev)
return -ENOMEM;
- SET_MODULE_OWNER(netdev);
-
adapter = netdev->priv;
dev->dev.driver_data = netdev;
adapter->mcastFilterSize= *mcastFilterSize_p;
adapter->pool_config = 0;
+ netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);
+
/* Some older boxes running PHYP non-natively have an OF that
returns a 8-byte local-mac-address field (and the first
2 bytes have to be ignored) while newer boxes' OF return
netdev->irq = dev->irq;
netdev->open = ibmveth_open;
- netdev->poll = ibmveth_poll;
- netdev->weight = 16;
netdev->stop = ibmveth_close;
netdev->hard_start_xmit = ibmveth_start_xmit;
- netdev->get_stats = ibmveth_get_stats;
netdev->set_multicast_list = ibmveth_set_multicast_list;
netdev->do_ioctl = ibmveth_ioctl;
netdev->ethtool_ops = &netdev_ethtool_ops;
for(i = 0; i<IbmVethNumBufferPools; i++) {
struct kobject *kobj = &adapter->rx_buff_pool[i].kobj;
+ int error;
+
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);
- kobj->ktype = &ktype_veth_pool;
- kobject_register(kobj);
+ error = kobject_init_and_add(kobj, &ktype_veth_pool,
+ &dev->dev.kobj, "pool%d", i);
+ if (!error)
+ kobject_uevent(kobj, KOBJ_ADD);
}
ibmveth_debug_printk("adapter @ 0x%p\n", adapter);
ibmveth_debug_printk("registering netdev...\n");
+ ret = h_illan_attributes(dev->unit_address, 0, 0, &ret_attr);
+
+ if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) &&
+ !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) &&
+ (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) {
+ set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM;
+
+ ret = h_illan_attributes(dev->unit_address, 0, set_attr, &ret_attr);
+
+ if (ret == H_SUCCESS) {
+ adapter->rx_csum = 1;
+ netdev->features |= NETIF_F_IP_CSUM;
+ } else
+ ret = h_illan_attributes(dev->unit_address, set_attr, 0, &ret_attr);
+ }
+
rc = register_netdev(netdev);
if(rc) {
int i;
for(i = 0; i<IbmVethNumBufferPools; i++)
- kobject_unregister(&adapter->rx_buff_pool[i].kobj);
+ kobject_put(&adapter->rx_buff_pool[i].kobj);
unregister_netdev(netdev);
#ifdef CONFIG_PROC_FS
static void ibmveth_proc_register_driver(void)
{
- ibmveth_proc_dir = proc_mkdir(IBMVETH_PROC_DIR, NULL);
+ ibmveth_proc_dir = proc_mkdir(IBMVETH_PROC_DIR, init_net.proc_net);
if (ibmveth_proc_dir) {
- SET_MODULE_OWNER(ibmveth_proc_dir);
}
}
static void ibmveth_proc_unregister_driver(void)
{
- remove_proc_entry(IBMVETH_PROC_DIR, NULL);
+ remove_proc_entry(IBMVETH_PROC_DIR, init_net.proc_net);
}
static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos)
struct ibmveth_adapter *adapter = seq->private;
char *current_mac = ((char*) &adapter->netdev->dev_addr);
char *firmware_mac = ((char*) &adapter->mac_addr) ;
+ DECLARE_MAC_BUF(mac);
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, "Current MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
- current_mac[0], current_mac[1], current_mac[2],
- current_mac[3], current_mac[4], current_mac[5]);
- 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, "Current MAC: %s\n", print_mac(mac, current_mac));
+ seq_printf(seq, "Firmware MAC: %s\n", print_mac(mac, firmware_mac));
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, " skb_linearize failures: %ld\n", adapter->tx_linearize_failed);
- seq_printf(seq, " vio_map_single failres: %ld\n", adapter->tx_map_failed);
+ seq_printf(seq, " TX: vio_map_single failres: %ld\n", adapter->tx_map_failed);
seq_printf(seq, " send failures: %ld\n", adapter->tx_send_failed);
seq_printf(seq, " RX: replenish task cycles: %ld\n", adapter->replenish_task_cycles);
seq_printf(seq, " alloc_skb_failures: %ld\n", adapter->replenish_no_mem);
} else {
entry->data = (void *) adapter;
entry->proc_fops = &ibmveth_proc_fops;
- SET_MODULE_OWNER(entry);
}
}
return;
git.samba.org / sfrench / cifs-2.6.git / blobdiff