*******************************************************************************/
-/*
- * For efficiency
- */
-
-static int netdev_nit;
-
/*
* Add a protocol ID to the list. Now that the input handler is
* smarter we can dispense with all the messy stuff that used to be
int hash;
spin_lock_bh(&ptype_lock);
- if (pt->type == htons(ETH_P_ALL)) {
- netdev_nit++;
+ if (pt->type == htons(ETH_P_ALL))
list_add_rcu(&pt->list, &ptype_all);
- } else {
+ else {
hash = ntohs(pt->type) & 15;
list_add_rcu(&pt->list, &ptype_base[hash]);
}
spin_lock_bh(&ptype_lock);
- if (pt->type == htons(ETH_P_ALL)) {
- netdev_nit--;
+ if (pt->type == htons(ETH_P_ALL))
head = &ptype_all;
- } else
+ else
head = &ptype_base[ntohs(pt->type) & 15];
list_for_each_entry(pt1, head, list) {
return 1;
}
-
/**
* dev_open - prepare an interface for use.
* @dev: device to open
skb_reset_mac_header(skb2);
if (skb_network_header(skb2) < skb2->data ||
- skb_network_header(skb2) > skb2->tail) {
+ skb2->network_header > skb2->tail) {
if (net_ratelimit())
printk(KERN_CRIT "protocol %04x is "
"buggy, dev %s\n",
skb_reset_network_header(skb2);
}
- skb2->h.raw = skb2->nh.raw;
+ skb2->transport_header = skb2->network_header;
skb2->pkt_type = PACKET_OUTGOING;
ptype->func(skb2, skb->dev, ptype, skb->dev);
}
int skb_checksum_help(struct sk_buff *skb)
{
__wsum csum;
- int ret = 0, offset = skb_transport_offset(skb);
+ int ret = 0, offset;
if (skb->ip_summed == CHECKSUM_COMPLETE)
goto out_set_summed;
goto out;
}
+ offset = skb->csum_start - skb_headroom(skb);
BUG_ON(offset > (int)skb->len);
csum = skb_checksum(skb, offset, skb->len-offset, 0);
- offset = skb->tail - skb->h.raw;
+ offset = skb_headlen(skb) - offset;
BUG_ON(offset <= 0);
BUG_ON(skb->csum_offset + 2 > offset);
- *(__sum16*)(skb->h.raw + skb->csum_offset) = csum_fold(csum);
-
+ *(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) =
+ csum_fold(csum);
out_set_summed:
skb->ip_summed = CHECKSUM_NONE;
out:
BUG_ON(skb_shinfo(skb)->frag_list);
skb_reset_mac_header(skb);
- skb->mac_len = skb->nh.raw - skb->mac.raw;
+ skb->mac_len = skb->network_header - skb->mac_header;
__skb_pull(skb, skb->mac_len);
- if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
+ if (WARN_ON(skb->ip_summed != CHECKSUM_PARTIAL)) {
if (skb_header_cloned(skb) &&
(err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
return ERR_PTR(err);
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
if (likely(!skb->next)) {
- if (netdev_nit)
+ if (!list_empty(&ptype_all))
dev_queue_xmit_nit(skb, dev);
if (netif_needs_gso(dev, skb)) {
/* If packet is not checksummed and device does not support
* checksumming for this protocol, complete checksumming here.
*/
- if (skb->ip_summed == CHECKSUM_PARTIAL &&
- (!(dev->features & NETIF_F_GEN_CSUM) &&
- (!(dev->features & NETIF_F_IP_CSUM) ||
- skb->protocol != htons(ETH_P_IP))))
- if (skb_checksum_help(skb))
- goto out_kfree_skb;
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ skb_set_transport_header(skb, skb->csum_start -
+ skb_headroom(skb));
+
+ if (!(dev->features & NETIF_F_GEN_CSUM) &&
+ (!(dev->features & NETIF_F_IP_CSUM) ||
+ skb->protocol != htons(ETH_P_IP)))
+ if (skb_checksum_help(skb))
+ goto out_kfree_skb;
+ }
gso:
spin_lock_prefetch(&dev->queue_lock);
}
#if defined(CONFIG_BRIDGE) || defined (CONFIG_BRIDGE_MODULE)
-int (*br_handle_frame_hook)(struct net_bridge_port *p, struct sk_buff **pskb);
+/* These hooks defined here for ATM */
struct net_bridge;
struct net_bridge_fdb_entry *(*br_fdb_get_hook)(struct net_bridge *br,
unsigned char *addr);
-void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent);
+void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent) __read_mostly;
-static __inline__ int handle_bridge(struct sk_buff **pskb,
- struct packet_type **pt_prev, int *ret,
- struct net_device *orig_dev)
+/*
+ * If bridge module is loaded call bridging hook.
+ * returns NULL if packet was consumed.
+ */
+struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
+ struct sk_buff *skb) __read_mostly;
+static inline struct sk_buff *handle_bridge(struct sk_buff *skb,
+ struct packet_type **pt_prev, int *ret,
+ struct net_device *orig_dev)
{
struct net_bridge_port *port;
- if ((*pskb)->pkt_type == PACKET_LOOPBACK ||
- (port = rcu_dereference((*pskb)->dev->br_port)) == NULL)
- return 0;
+ if (skb->pkt_type == PACKET_LOOPBACK ||
+ (port = rcu_dereference(skb->dev->br_port)) == NULL)
+ return skb;
if (*pt_prev) {
- *ret = deliver_skb(*pskb, *pt_prev, orig_dev);
+ *ret = deliver_skb(skb, *pt_prev, orig_dev);
*pt_prev = NULL;
}
- return br_handle_frame_hook(port, pskb);
+ return br_handle_frame_hook(port, skb);
}
#else
-#define handle_bridge(skb, pt_prev, ret, orig_dev) (0)
+#define handle_bridge(skb, pt_prev, ret, orig_dev) (skb)
#endif
#ifdef CONFIG_NET_CLS_ACT
skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_INGRESS);
- spin_lock(&dev->queue_lock);
+ spin_lock(&dev->ingress_lock);
if ((q = dev->qdisc_ingress) != NULL)
result = q->enqueue(skb, q);
- spin_unlock(&dev->queue_lock);
+ spin_unlock(&dev->ingress_lock);
}
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
- skb->mac_len = skb->nh.raw - skb->mac.raw;
+ skb->mac_len = skb->network_header - skb->mac_header;
pt_prev = NULL;
ncls:
#endif
- if (handle_bridge(&skb, &pt_prev, &ret, orig_dev))
+ skb = handle_bridge(skb, &pt_prev, &ret, orig_dev);
+ if (!skb)
goto out;
type = skb->protocol;
static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
{
- if (dev->get_stats) {
- struct net_device_stats *stats = dev->get_stats(dev);
+ struct net_device_stats *stats = dev->get_stats(dev);
+ if (stats) {
seq_printf(seq, "%6s:%8lu %7lu %4lu %4lu %4lu %5lu %10lu %9lu "
"%8lu %7lu %4lu %4lu %4lu %5lu %7lu %10lu\n",
dev->name, stats->rx_bytes, stats->rx_packets,
}
dev_load(ifr.ifr_name);
rtnl_lock();
- /* Follow me in net/core/wireless.c */
+ /* Follow me in net/wireless/wext.c */
ret = wireless_process_ioctl(&ifr, cmd);
rtnl_unlock();
if (IW_IS_GET(cmd) &&
spin_lock_init(&dev->queue_lock);
spin_lock_init(&dev->_xmit_lock);
dev->xmit_lock_owner = -1;
-#ifdef CONFIG_NET_CLS_ACT
spin_lock_init(&dev->ingress_lock);
-#endif
dev->iflink = -1;
* chain. 0 is returned on success. A negative errno code is returned
* on a failure to set up the device, or if the name is a duplicate.
*
- * This is a wrapper around register_netdev that takes the rtnl semaphore
+ * This is a wrapper around register_netdevice that takes the rtnl semaphore
* and expands the device name if you passed a format string to
* alloc_netdev.
*/
mutex_unlock(&net_todo_run_mutex);
}
+static struct net_device_stats *maybe_internal_stats(struct net_device *dev)
+{
+ if (dev->features & NETIF_F_INTERNAL_STATS)
+ return &dev->stats;
+ return NULL;
+}
+
/**
* alloc_netdev - allocate network device
* @sizeof_priv: size of private data to allocate space for
if (sizeof_priv)
dev->priv = netdev_priv(dev);
+ dev->get_stats = maybe_internal_stats;
setup(dev);
strcpy(dev->name, name);
return dev;
projects / deliverable / linux.git / blobdiff