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path: root/drivers/net/irda/nsc-ircc.c
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Diffstat (limited to 'drivers/net/irda/nsc-ircc.c')
-rw-r--r--drivers/net/irda/nsc-ircc.c111
1 files changed, 58 insertions, 53 deletions
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 2c6bf2d11bb..66bc03bdb13 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -43,6 +43,7 @@
********************************************************************/
#include <linux/module.h>
+#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -50,8 +51,8 @@
#include <linux/netdevice.h>
#include <linux/ioport.h>
#include <linux/delay.h>
-#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/interrupt.h>
#include <linux/rtnetlink.h>
#include <linux/dma-mapping.h>
#include <linux/pnp.h>
@@ -173,8 +174,10 @@ static int nsc_ircc_setup(chipio_t *info);
static void nsc_ircc_pio_receive(struct nsc_ircc_cb *self);
static int nsc_ircc_dma_receive(struct nsc_ircc_cb *self);
static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase);
-static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev);
-static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t nsc_ircc_hard_xmit_sir(struct sk_buff *skb,
+ struct net_device *dev);
+static netdev_tx_t nsc_ircc_hard_xmit_fir(struct sk_buff *skb,
+ struct net_device *dev);
static int nsc_ircc_pio_write(int iobase, __u8 *buf, int len, int fifo_size);
static void nsc_ircc_dma_xmit(struct nsc_ircc_cb *self, int iobase);
static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 baud);
@@ -185,7 +188,6 @@ static void nsc_ircc_init_dongle_interface (int iobase, int dongle_id);
static int nsc_ircc_net_open(struct net_device *dev);
static int nsc_ircc_net_close(struct net_device *dev);
static int nsc_ircc_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static struct net_device_stats *nsc_ircc_net_get_stats(struct net_device *dev);
/* Globals */
static int pnp_registered;
@@ -332,6 +334,20 @@ static void __exit nsc_ircc_cleanup(void)
pnp_registered = 0;
}
+static const struct net_device_ops nsc_ircc_sir_ops = {
+ .ndo_open = nsc_ircc_net_open,
+ .ndo_stop = nsc_ircc_net_close,
+ .ndo_start_xmit = nsc_ircc_hard_xmit_sir,
+ .ndo_do_ioctl = nsc_ircc_net_ioctl,
+};
+
+static const struct net_device_ops nsc_ircc_fir_ops = {
+ .ndo_open = nsc_ircc_net_open,
+ .ndo_stop = nsc_ircc_net_close,
+ .ndo_start_xmit = nsc_ircc_hard_xmit_fir,
+ .ndo_do_ioctl = nsc_ircc_net_ioctl,
+};
+
/*
* Function nsc_ircc_open (iobase, irq)
*
@@ -414,23 +430,21 @@ static int __init nsc_ircc_open(chipio_t *info)
/* Allocate memory if needed */
self->rx_buff.head =
- dma_alloc_coherent(NULL, self->rx_buff.truesize,
- &self->rx_buff_dma, GFP_KERNEL);
+ dma_zalloc_coherent(NULL, self->rx_buff.truesize,
+ &self->rx_buff_dma, GFP_KERNEL);
if (self->rx_buff.head == NULL) {
err = -ENOMEM;
goto out2;
}
- memset(self->rx_buff.head, 0, self->rx_buff.truesize);
self->tx_buff.head =
- dma_alloc_coherent(NULL, self->tx_buff.truesize,
- &self->tx_buff_dma, GFP_KERNEL);
+ dma_zalloc_coherent(NULL, self->tx_buff.truesize,
+ &self->tx_buff_dma, GFP_KERNEL);
if (self->tx_buff.head == NULL) {
err = -ENOMEM;
goto out3;
}
- memset(self->tx_buff.head, 0, self->tx_buff.truesize);
self->rx_buff.in_frame = FALSE;
self->rx_buff.state = OUTSIDE_FRAME;
@@ -442,11 +456,7 @@ static int __init nsc_ircc_open(chipio_t *info)
self->tx_fifo.tail = self->tx_buff.head;
/* Override the network functions we need to use */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_sir;
- dev->open = nsc_ircc_net_open;
- dev->stop = nsc_ircc_net_close;
- dev->do_ioctl = nsc_ircc_net_ioctl;
- dev->get_stats = nsc_ircc_net_get_stats;
+ dev->netdev_ops = &nsc_ircc_sir_ops;
err = register_netdev(dev);
if (err) {
@@ -705,7 +715,7 @@ static int nsc_ircc_probe_338(nsc_chip_t *chip, chipio_t *info)
int reg, com = 0;
int pnp;
- /* Read funtion enable register (FER) */
+ /* Read function enable register (FER) */
outb(CFG_338_FER, cfg_base);
reg = inb(cfg_base+1);
@@ -1025,7 +1035,7 @@ static int nsc_ircc_setup(chipio_t *info)
/*
* Function nsc_ircc_read_dongle_id (void)
*
- * Try to read dongle indentification. This procedure needs to be executed
+ * Try to read dongle identification. This procedure needs to be executed
* once after power-on/reset. It also needs to be used whenever you suspect
* that the user may have plugged/unplugged the IrDA Dongle.
*/
@@ -1322,12 +1332,12 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
switch_bank(iobase, BANK0);
if (speed > 115200) {
/* Install FIR xmit handler */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_fir;
+ dev->netdev_ops = &nsc_ircc_fir_ops;
ier = IER_SFIF_IE;
nsc_ircc_dma_receive(self);
} else {
/* Install SIR xmit handler */
- dev->hard_start_xmit = nsc_ircc_hard_xmit_sir;
+ dev->netdev_ops = &nsc_ircc_sir_ops;
ier = IER_RXHDL_IE;
}
/* Set our current interrupt mask */
@@ -1337,7 +1347,7 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
outb(bank, iobase+BSR);
/* Make sure interrupt handlers keep the proper interrupt mask */
- return(ier);
+ return ier;
}
/*
@@ -1346,7 +1356,8 @@ static __u8 nsc_ircc_change_speed(struct nsc_ircc_cb *self, __u32 speed)
* Transmit the frame!
*
*/
-static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t nsc_ircc_hard_xmit_sir(struct sk_buff *skb,
+ struct net_device *dev)
{
struct nsc_ircc_cb *self;
unsigned long flags;
@@ -1356,7 +1367,7 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
self = netdev_priv(dev);
- IRDA_ASSERT(self != NULL, return 0;);
+ IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
iobase = self->io.fir_base;
@@ -1388,7 +1399,7 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
} else
self->new_speed = speed;
}
@@ -1401,7 +1412,7 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
self->tx_buff.len = async_wrap_skb(skb, self->tx_buff.data,
self->tx_buff.truesize);
- self->stats.tx_bytes += self->tx_buff.len;
+ dev->stats.tx_bytes += self->tx_buff.len;
/* Add interrupt on tx low level (will fire immediately) */
switch_bank(iobase, BANK0);
@@ -1415,10 +1426,11 @@ static int nsc_ircc_hard_xmit_sir(struct sk_buff *skb, struct net_device *dev)
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
-static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t nsc_ircc_hard_xmit_fir(struct sk_buff *skb,
+ struct net_device *dev)
{
struct nsc_ircc_cb *self;
unsigned long flags;
@@ -1458,7 +1470,7 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
dev->trans_start = jiffies;
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
} else {
/* Change speed after current frame */
self->new_speed = speed;
@@ -1473,7 +1485,7 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
self->tx_fifo.queue[self->tx_fifo.free].len = skb->len;
self->tx_fifo.tail += skb->len;
- self->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
skb_copy_from_linear_data(skb, self->tx_fifo.queue[self->tx_fifo.free].start,
skb->len);
@@ -1545,7 +1557,7 @@ static int nsc_ircc_hard_xmit_fir(struct sk_buff *skb, struct net_device *dev)
spin_unlock_irqrestore(&self->lock, flags);
dev_kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
/*
@@ -1650,15 +1662,15 @@ static int nsc_ircc_dma_xmit_complete(struct nsc_ircc_cb *self)
switch_bank(iobase, BANK0);
outb(inb(iobase+MCR) & ~MCR_DMA_EN, iobase+MCR);
- /* Check for underrrun! */
+ /* Check for underrun! */
if (inb(iobase+ASCR) & ASCR_TXUR) {
- self->stats.tx_errors++;
- self->stats.tx_fifo_errors++;
+ self->netdev->stats.tx_errors++;
+ self->netdev->stats.tx_fifo_errors++;
/* Clear bit, by writing 1 into it */
outb(ASCR_TXUR, iobase+ASCR);
} else {
- self->stats.tx_packets++;
+ self->netdev->stats.tx_packets++;
}
/* Finished with this frame, so prepare for next */
@@ -1793,28 +1805,28 @@ static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase)
if (status & FRM_ST_ERR_MSK) {
if (status & FRM_ST_LOST_FR) {
/* Add number of lost frames to stats */
- self->stats.rx_errors += len;
+ self->netdev->stats.rx_errors += len;
} else {
/* Skip frame */
- self->stats.rx_errors++;
+ self->netdev->stats.rx_errors++;
self->rx_buff.data += len;
if (status & FRM_ST_MAX_LEN)
- self->stats.rx_length_errors++;
+ self->netdev->stats.rx_length_errors++;
if (status & FRM_ST_PHY_ERR)
- self->stats.rx_frame_errors++;
+ self->netdev->stats.rx_frame_errors++;
if (status & FRM_ST_BAD_CRC)
- self->stats.rx_crc_errors++;
+ self->netdev->stats.rx_crc_errors++;
}
/* The errors below can be reported in both cases */
if (status & FRM_ST_OVR1)
- self->stats.rx_fifo_errors++;
+ self->netdev->stats.rx_fifo_errors++;
if (status & FRM_ST_OVR2)
- self->stats.rx_fifo_errors++;
+ self->netdev->stats.rx_fifo_errors++;
} else {
/*
* First we must make sure that the frame we
@@ -1863,7 +1875,7 @@ static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase)
IRDA_WARNING("%s(), memory squeeze, "
"dropping frame.\n",
__func__);
- self->stats.rx_dropped++;
+ self->netdev->stats.rx_dropped++;
/* Restore bank register */
outb(bank, iobase+BSR);
@@ -1889,8 +1901,8 @@ static int nsc_ircc_dma_receive_complete(struct nsc_ircc_cb *self, int iobase)
/* Move to next frame */
self->rx_buff.data += len;
- self->stats.rx_bytes += len;
- self->stats.rx_packets++;
+ self->netdev->stats.rx_bytes += len;
+ self->netdev->stats.rx_packets++;
skb->dev = self->netdev;
skb_reset_mac_header(skb);
@@ -1920,8 +1932,8 @@ static void nsc_ircc_pio_receive(struct nsc_ircc_cb *self)
/* Receive all characters in Rx FIFO */
do {
byte = inb(iobase+RXD);
- async_unwrap_char(self->netdev, &self->stats, &self->rx_buff,
- byte);
+ async_unwrap_char(self->netdev, &self->netdev->stats,
+ &self->rx_buff, byte);
} while (inb(iobase+LSR) & LSR_RXDA); /* Data available */
}
@@ -1952,7 +1964,7 @@ static void nsc_ircc_sir_interrupt(struct nsc_ircc_cb *self, int eir)
self->ier = IER_TXLDL_IE;
else {
- self->stats.tx_packets++;
+ self->netdev->stats.tx_packets++;
netif_wake_queue(self->netdev);
self->ier = IER_TXEMP_IE;
}
@@ -2307,13 +2319,6 @@ static int nsc_ircc_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return ret;
}
-static struct net_device_stats *nsc_ircc_net_get_stats(struct net_device *dev)
-{
- struct nsc_ircc_cb *self = netdev_priv(dev);
-
- return &self->stats;
-}
-
static int nsc_ircc_suspend(struct platform_device *dev, pm_message_t state)
{
struct nsc_ircc_cb *self = platform_get_drvdata(dev);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 19:47:44 +0000