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Diffstat (limited to 'net/irda/irlan/irlan_eth.c')
-rw-r--r--net/irda/irlan/irlan_eth.c210
1 files changed, 85 insertions, 125 deletions
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index b0ccc455b74..ffcec225b5d 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -1,8 +1,8 @@
/*********************************************************************
- *
+ *
* Filename: irlan_eth.c
- * Version:
- * Description:
+ * Version:
+ * Description:
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Thu Oct 15 08:37:58 1998
@@ -11,18 +11,18 @@
* Sources: skeleton.c by Donald Becker <becker@CESDIS.gsfc.nasa.gov>
* slip.c by Laurence Culhane, <loz@holmes.demon.co.uk>
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
- *
+ *
* Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
- *
- * Neither Dag Brattli nor University of Tromsø admit liability nor
- * provide warranty for any of this software. This material is
+ *
+ * Neither Dag Brattli nor University of Tromsø admit liability nor
+ * provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
- *
+ *
********************************************************************/
#include <linux/netdevice.h>
@@ -30,6 +30,7 @@
#include <linux/inetdevice.h>
#include <linux/if_arp.h>
#include <linux/module.h>
+#include <linux/sched.h>
#include <net/arp.h>
#include <net/irda/irda.h>
@@ -41,9 +42,18 @@
static int irlan_eth_open(struct net_device *dev);
static int irlan_eth_close(struct net_device *dev);
-static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev);
-static void irlan_eth_set_multicast_list( struct net_device *dev);
-static struct net_device_stats *irlan_eth_get_stats(struct net_device *dev);
+static netdev_tx_t irlan_eth_xmit(struct sk_buff *skb,
+ struct net_device *dev);
+static void irlan_eth_set_multicast_list(struct net_device *dev);
+
+static const struct net_device_ops irlan_eth_netdev_ops = {
+ .ndo_open = irlan_eth_open,
+ .ndo_stop = irlan_eth_close,
+ .ndo_start_xmit = irlan_eth_xmit,
+ .ndo_set_rx_mode = irlan_eth_set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
/*
* Function irlan_eth_setup (dev)
@@ -53,18 +63,13 @@ static struct net_device_stats *irlan_eth_get_stats(struct net_device *dev);
*/
static void irlan_eth_setup(struct net_device *dev)
{
- dev->open = irlan_eth_open;
- dev->stop = irlan_eth_close;
- dev->hard_start_xmit = irlan_eth_xmit;
- dev->get_stats = irlan_eth_get_stats;
- dev->set_multicast_list = irlan_eth_set_multicast_list;
+ ether_setup(dev);
+
+ dev->netdev_ops = &irlan_eth_netdev_ops;
dev->destructor = free_netdev;
- SET_MODULE_OWNER(dev);
- ether_setup(dev);
-
- /*
+ /*
* Lets do all queueing in IrTTP instead of this device driver.
* Queueing here as well can introduce some strange latency
* problems, which we will avoid by setting the queue size to 0.
@@ -104,17 +109,17 @@ struct net_device *alloc_irlandev(const char *name)
static int irlan_eth_open(struct net_device *dev)
{
struct irlan_cb *self = netdev_priv(dev);
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
+
+ IRDA_DEBUG(2, "%s()\n", __func__);
/* Ready to play! */
- netif_stop_queue(dev); /* Wait until data link is ready */
+ netif_stop_queue(dev); /* Wait until data link is ready */
/* We are now open, so time to do some work */
self->disconnect_reason = 0;
irlan_client_wakeup(self, self->saddr, self->daddr);
- /* Make sure we have a hardware address before we return,
+ /* Make sure we have a hardware address before we return,
so DHCP clients gets happy */
return wait_event_interruptible(self->open_wait,
!self->tsap_data->connected);
@@ -124,30 +129,30 @@ static int irlan_eth_open(struct net_device *dev)
* Function irlan_eth_close (dev)
*
* Stop the ether network device, his function will usually be called by
- * ifconfig down. We should now disconnect the link, We start the
+ * ifconfig down. We should now disconnect the link, We start the
* close timer, so that the instance will be removed if we are unable
* to discover the remote device after the disconnect.
*/
static int irlan_eth_close(struct net_device *dev)
{
struct irlan_cb *self = netdev_priv(dev);
-
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
-
+
+ IRDA_DEBUG(2, "%s()\n", __func__);
+
/* Stop device */
netif_stop_queue(dev);
-
+
irlan_close_data_channel(self);
irlan_close_tsaps(self);
irlan_do_client_event(self, IRLAN_LMP_DISCONNECT, NULL);
- irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL);
-
+ irlan_do_provider_event(self, IRLAN_LMP_DISCONNECT, NULL);
+
/* Remove frames queued on the control channel */
skb_queue_purge(&self->client.txq);
self->client.tx_busy = 0;
-
+
return 0;
}
@@ -157,14 +162,16 @@ static int irlan_eth_close(struct net_device *dev)
* Transmits ethernet frames over IrDA link.
*
*/
-static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t irlan_eth_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct irlan_cb *self = netdev_priv(dev);
int ret;
+ unsigned int len;
/* skb headroom large enough to contain all IrDA-headers? */
if ((skb_headroom(skb) < self->max_header_size) || (skb_shared(skb))) {
- struct sk_buff *new_skb =
+ struct sk_buff *new_skb =
skb_realloc_headroom(skb, self->max_header_size);
/* We have to free the original skb anyway */
@@ -172,14 +179,15 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
/* Did the realloc succeed? */
if (new_skb == NULL)
- return 0;
+ return NETDEV_TX_OK;
/* Use the new skb instead */
skb = new_skb;
- }
+ }
dev->trans_start = jiffies;
+ len = skb->len;
/* Now queue the packet in the transport layer */
if (self->use_udata)
ret = irttp_udata_request(self->tsap_data, skb);
@@ -187,7 +195,7 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
ret = irttp_data_request(self->tsap_data, skb);
if (ret < 0) {
- /*
+ /*
* IrTTPs tx queue is full, so we just have to
* drop the frame! You might think that we should
* just return -1 and don't deallocate the frame,
@@ -195,16 +203,16 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
* we have replaced the original skb with a new
* one with larger headroom, and that would really
* confuse do_dev_queue_xmit() in dev.c! I have
- * tried :-) DB
+ * tried :-) DB
*/
/* irttp_data_request already free the packet */
- self->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
} else {
- self->stats.tx_packets++;
- self->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += len;
}
-
- return 0;
+
+ return NETDEV_TX_OK;
}
/*
@@ -216,39 +224,39 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
int irlan_eth_receive(void *instance, void *sap, struct sk_buff *skb)
{
struct irlan_cb *self = instance;
+ struct net_device *dev = self->dev;
if (skb == NULL) {
- ++self->stats.rx_dropped;
+ dev->stats.rx_dropped++;
return 0;
}
if (skb->len < ETH_HLEN) {
IRDA_DEBUG(0, "%s() : IrLAN frame too short (%d)\n",
- __FUNCTION__, skb->len);
- ++self->stats.rx_dropped;
+ __func__, skb->len);
+ dev->stats.rx_dropped++;
dev_kfree_skb(skb);
return 0;
}
-
- /*
- * Adopt this frame! Important to set all these fields since they
+
+ /*
+ * Adopt this frame! Important to set all these fields since they
* might have been previously set by the low level IrDA network
- * device driver
+ * device driver
*/
- skb->dev = self->dev;
- skb->protocol=eth_type_trans(skb, skb->dev); /* Remove eth header */
-
- self->stats.rx_packets++;
- self->stats.rx_bytes += skb->len;
+ skb->protocol = eth_type_trans(skb, dev); /* Remove eth header */
+
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
netif_rx(skb); /* Eat it! */
-
+
return 0;
}
/*
* Function irlan_eth_flow (status)
*
- * Do flow control between IP/Ethernet and IrLAN/IrTTP. This is done by
+ * Do flow control between IP/Ethernet and IrLAN/IrTTP. This is done by
* controlling the queue stop/start.
*
* The IrDA link layer has the advantage to have flow control, and
@@ -264,16 +272,16 @@ void irlan_eth_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
struct irlan_cb *self;
struct net_device *dev;
- self = (struct irlan_cb *) instance;
+ self = instance;
IRDA_ASSERT(self != NULL, return;);
IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
-
+
dev = self->dev;
IRDA_ASSERT(dev != NULL, return;);
-
- IRDA_DEBUG(0, "%s() : flow %s ; running %d\n", __FUNCTION__,
+
+ IRDA_DEBUG(0, "%s() : flow %s ; running %d\n", __func__,
flow == FLOW_STOP ? "FLOW_STOP" : "FLOW_START",
netif_running(dev));
@@ -292,77 +300,42 @@ void irlan_eth_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
}
/*
- * Function irlan_etc_send_gratuitous_arp (dev)
- *
- * Send gratuitous ARP to announce that we have changed
- * hardware address, so that all peers updates their ARP tables
- */
-void irlan_eth_send_gratuitous_arp(struct net_device *dev)
-{
- struct in_device *in_dev;
-
- /*
- * When we get a new MAC address do a gratuitous ARP. This
- * is useful if we have changed access points on the same
- * subnet.
- */
-#ifdef CONFIG_INET
- IRDA_DEBUG(4, "IrLAN: Sending gratuitous ARP\n");
- rcu_read_lock();
- in_dev = __in_dev_get_rcu(dev);
- if (in_dev == NULL)
- goto out;
- if (in_dev->ifa_list)
-
- arp_send(ARPOP_REQUEST, ETH_P_ARP,
- in_dev->ifa_list->ifa_address,
- dev,
- in_dev->ifa_list->ifa_address,
- NULL, dev->dev_addr, NULL);
-out:
- rcu_read_unlock();
-#endif /* CONFIG_INET */
-}
-
-/*
* Function set_multicast_list (dev)
*
* Configure the filtering of the device
*
*/
#define HW_MAX_ADDRS 4 /* Must query to get it! */
-static void irlan_eth_set_multicast_list(struct net_device *dev)
+static void irlan_eth_set_multicast_list(struct net_device *dev)
{
- struct irlan_cb *self = netdev_priv(dev);
+ struct irlan_cb *self = netdev_priv(dev);
- IRDA_DEBUG(2, "%s()\n", __FUNCTION__ );
+ IRDA_DEBUG(2, "%s()\n", __func__);
/* Check if data channel has been connected yet */
if (self->client.state != IRLAN_DATA) {
- IRDA_DEBUG(1, "%s(), delaying!\n", __FUNCTION__ );
+ IRDA_DEBUG(1, "%s(), delaying!\n", __func__);
return;
}
if (dev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
- IRDA_WARNING("Promiscous mode not implemented by IrLAN!\n");
- }
- else if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > HW_MAX_ADDRS) {
+ IRDA_WARNING("Promiscuous mode not implemented by IrLAN!\n");
+ } else if ((dev->flags & IFF_ALLMULTI) ||
+ netdev_mc_count(dev) > HW_MAX_ADDRS) {
/* Disable promiscuous mode, use normal mode. */
- IRDA_DEBUG(4, "%s(), Setting multicast filter\n", __FUNCTION__ );
+ IRDA_DEBUG(4, "%s(), Setting multicast filter\n", __func__);
/* hardware_set_filter(NULL); */
irlan_set_multicast_filter(self, TRUE);
- }
- else if (dev->mc_count) {
- IRDA_DEBUG(4, "%s(), Setting multicast filter\n", __FUNCTION__ );
+ } else if (!netdev_mc_empty(dev)) {
+ IRDA_DEBUG(4, "%s(), Setting multicast filter\n", __func__);
/* Walk the address list, and load the filter */
/* hardware_set_filter(dev->mc_list); */
irlan_set_multicast_filter(self, TRUE);
- }
- else {
- IRDA_DEBUG(4, "%s(), Clearing multicast filter\n", __FUNCTION__ );
+ } else {
+ IRDA_DEBUG(4, "%s(), Clearing multicast filter\n", __func__);
irlan_set_multicast_filter(self, FALSE);
}
@@ -371,16 +344,3 @@ static void irlan_eth_set_multicast_list(struct net_device *dev)
else
irlan_set_broadcast_filter(self, FALSE);
}
-
-/*
- * Function irlan_get_stats (dev)
- *
- * Get the current statistics for this device
- *
- */
-static struct net_device_stats *irlan_eth_get_stats(struct net_device *dev)
-{
- struct irlan_cb *self = netdev_priv(dev);
-
- return &self->stats;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-21 07:48:52 +0000