This is the last shoot of this series.
After I removing all directly reference of netdev->priv, I am killing
"priv" of "struct net_device" and fixing relative comments/docs.
Anyone will not be allowed to reference netdev->priv directly.
If you want to reference the memory of private data, use netdev_priv()
instead.
If the private data is not allocted when alloc_netdev(), use
netdev->ml_priv to point that memory after you creating that private
data.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
static int drv_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct drv *dp = dev->priv;
+ struct drv *dp = netdev_priv(dev);
lock_tx(dp);
...
alloc_etherdev, alloc_netdev. These reserve extra space for driver
private data which gets freed when the network device is freed. If
separately allocated data is attached to the network device
-(dev->priv) then it is up to the module exit handler to free that.
+(netdev_priv(dev)) then it is up to the module exit handler to free that.
MTU
===
static int el_debug = EL_DEBUG;
/*
- * Board-specific info in dev->priv.
+ * Board-specific info in netdev_priv(dev).
*/
struct net_local
registers that "should" only need to be set once at boot, so that
there is non-reboot way to recover if something goes wrong.
- This is an attachable device: if there is no dev->priv entry then it wasn't
+ This is an attachable device: if there is no private entry then it wasn't
probed for at boot-time, and we need to probe for it again.
*/
static int net_open(struct net_device *dev)
/*
* Sanity check the suspected EtherExpress card
* Read hardware address, reset card, size memory and initialize buffer
- * memory pointers. These are held in dev->priv, in case someone has more
+ * memory pointers. These are held in netdev_priv(), in case someone has more
* than one card in a machine.
*/
/*
* SMP locking:
- * All hardware access under dev->priv->lock, except the performance
+ * All hardware access under netdev_priv(dev)->lock, except the performance
* critical parts:
* - rx is (pseudo-) lockless: it relies on the single-threading provided
* by the arch code for interrupts.
* - tx setup is lockless: it relies on netif_tx_lock. Actual submission
- * needs dev->priv->lock :-(
+ * needs netdev_priv(dev)->lock :-(
* - set_multicast_list: preparation lockless, relies on netif_tx_lock.
*/
}
}
- /* We can't allocate dev->priv from alloc_etherdev() because it must
+ /* We can't allocate private data from alloc_etherdev() because it must
a ISA DMA-able region. */
chipname = chip_table[lance_version].name;
printk("%s: %s at %#3x, ", dev->name, chipname, ioaddr);
err_free_irq:
free_irq(dev->irq, dev);
err:
- /* This will also free the co-allocated 'dev->priv' */
+ /* This will also free the co-allocated private data*/
free_netdev(dev);
return -ENODEV;
}
dev->irq = pdev->irq;
dev->base_addr = (unsigned long) ioaddr;
- /* dev->priv/tp zeroed and aligned in alloc_etherdev */
+ /* netdev_priv()/tp zeroed and aligned in alloc_etherdev */
tp = netdev_priv(dev);
/* note: tp->chipset set in netdrv_init_board */
static int check586(struct net_device *dev,char *where,unsigned size)
{
struct priv pb;
- struct priv *p = /* (struct priv *) dev->priv*/ &pb;
+ struct priv *p = &pb;
char *iscp_addr;
int i;
bp->bmac_block,
bp->bblock_dvma);
- /* This also frees the co-located 'dev->priv' */
+ /* This also frees the co-located private data */
free_netdev(dev);
return -ENODEV;
}
} ;
/*
- * Allowing init_trdev to allocate the dev->priv structure will align xl_private
- * on a 32 bytes boundary which we need for the rx/tx descriptors
+ * Allowing init_trdev to allocate the private data will align
+ * xl_private on a 32 bytes boundary which we need for the rx/tx
+ * descriptors
*/
dev = alloc_trdev(sizeof(struct xl_private)) ;
The driver runs as two independent, single-threaded flows of control. One
is the send-packet routine, which enforces single-threaded use by the
-dev->priv->lock spinlock. The other thread is the interrupt handler, which
-is single threaded by the hardware and interrupt handling software.
+netdev_priv(dev)->lock spinlock. The other thread is the interrupt handler,
+which is single threaded by the hardware and interrupt handling software.
The send packet thread has partial control over the Tx ring. It locks the
-dev->priv->lock whenever it's queuing a Tx packet. If the next slot in the ring
-is not available it stops the transmit queue by calling netif_stop_queue.
+netdev_priv(dev)->lock whenever it's queuing a Tx packet. If the next slot in
+the ring is not available it stops the transmit queue by
+calling netif_stop_queue.
The interrupt handler has exclusive control over the Rx ring and records stats
from the Tx ring. After reaping the stats, it marks the Tx queue entry as
dev->type = ARPHRD_METRICOM; /* dtang */
dev->hard_header_len = sizeof(STRIP_Header);
/*
- * dev->priv Already holds a pointer to our struct strip
+ * netdev_priv(dev) Already holds a pointer to our struct strip
*/
*(MetricomAddress *) & dev->broadcast = broadcast_address;
};
-/* Pointed to by dev->priv */
+/* Pointed to by netdev_priv(dev) */
typedef struct hdlc_device {
/* used by HDLC layer to take control over HDLC device from hw driver*/
int (*attach)(struct net_device *dev,
/*
* One part is mostly used on xmit path (device)
*/
- void *priv; /* pointer to private data */
/* These may be needed for future network-power-down code. */
unsigned long trans_start; /* Time (in jiffies) of last Tx */
}
/*
- * lec device calls this via its dev->priv->lane2_ops->associate_indicator()
- * when it sees a TLV in LE_ARP packet.
+ * lec device calls this via its netdev_priv(dev)->lane2_ops
+ * ->associate_indicator() when it sees a TLV in LE_ARP packet.
* We fill in the pointer above when we see a LANE2 lec initializing
* See LANE2 spec 3.1.5
*
dev->num_tx_queues = queue_count;
dev->real_num_tx_queues = queue_count;
- if (sizeof_priv) {
- dev->priv = ((char *)dev +
- ((sizeof(struct net_device) + NETDEV_ALIGN_CONST)
- & ~NETDEV_ALIGN_CONST));
- }
-
dev->gso_max_size = GSO_MAX_SIZE;
netdev_init_queues(dev);