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-rw-r--r--net/core/dev.c15
-rw-r--r--net/core/ethtool.c22
-rw-r--r--net/core/net-sysfs.c20
-rw-r--r--net/core/sock.c14
4 files changed, 61 insertions, 10 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index f5f0058..ab93577 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7,7 +7,7 @@
* 2 of the License, or (at your option) any later version.
*
* Derived from the non IP parts of dev.c 1.0.19
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Mark Evans, <evansmp@uhura.aston.ac.uk>
*
@@ -761,6 +761,18 @@ int dev_change_name(struct net_device *dev, char *newname)
}
/**
+ * netdev_features_change - device changes fatures
+ * @dev: device to cause notification
+ *
+ * Called to indicate a device has changed features.
+ */
+void netdev_features_change(struct net_device *dev)
+{
+ notifier_call_chain(&netdev_chain, NETDEV_FEAT_CHANGE, dev);
+}
+EXPORT_SYMBOL(netdev_features_change);
+
+/**
* netdev_state_change - device changes state
* @dev: device to cause notification
*
@@ -1732,6 +1744,7 @@ static int process_backlog(struct net_device *backlog_dev, int *budget)
struct softnet_data *queue = &__get_cpu_var(softnet_data);
unsigned long start_time = jiffies;
+ backlog_dev->weight = weight_p;
for (;;) {
struct sk_buff *skb;
struct net_device *dev;
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index f05fde9..a3eeb88 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -29,7 +29,7 @@ u32 ethtool_op_get_link(struct net_device *dev)
u32 ethtool_op_get_tx_csum(struct net_device *dev)
{
- return (dev->features & NETIF_F_IP_CSUM) != 0;
+ return (dev->features & (NETIF_F_IP_CSUM | NETIF_F_HW_CSUM)) != 0;
}
int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
@@ -42,6 +42,15 @@ int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
return 0;
}
+int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data)
+{
+ if (data)
+ dev->features |= NETIF_F_HW_CSUM;
+ else
+ dev->features &= ~NETIF_F_HW_CSUM;
+
+ return 0;
+}
u32 ethtool_op_get_sg(struct net_device *dev)
{
return (dev->features & NETIF_F_SG) != 0;
@@ -347,7 +356,7 @@ static int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
{
struct ethtool_coalesce coalesce;
- if (!dev->ethtool_ops->get_coalesce)
+ if (!dev->ethtool_ops->set_coalesce)
return -EOPNOTSUPP;
if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
@@ -682,6 +691,7 @@ int dev_ethtool(struct ifreq *ifr)
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
+ unsigned long old_features;
/*
* XXX: This can be pushed down into the ethtool_* handlers that
@@ -703,6 +713,8 @@ int dev_ethtool(struct ifreq *ifr)
if ((rc = dev->ethtool_ops->begin(dev)) < 0)
return rc;
+ old_features = dev->features;
+
switch (ethcmd) {
case ETHTOOL_GSET:
rc = ethtool_get_settings(dev, useraddr);
@@ -712,7 +724,6 @@ int dev_ethtool(struct ifreq *ifr)
break;
case ETHTOOL_GDRVINFO:
rc = ethtool_get_drvinfo(dev, useraddr);
-
break;
case ETHTOOL_GREGS:
rc = ethtool_get_regs(dev, useraddr);
@@ -801,6 +812,10 @@ int dev_ethtool(struct ifreq *ifr)
if(dev->ethtool_ops->complete)
dev->ethtool_ops->complete(dev);
+
+ if (old_features != dev->features)
+ netdev_features_change(dev);
+
return rc;
ioctl:
@@ -817,3 +832,4 @@ EXPORT_SYMBOL(ethtool_op_get_tx_csum);
EXPORT_SYMBOL(ethtool_op_set_sg);
EXPORT_SYMBOL(ethtool_op_set_tso);
EXPORT_SYMBOL(ethtool_op_set_tx_csum);
+EXPORT_SYMBOL(ethtool_op_set_tx_hw_csum);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 060f703..e2137f3 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -21,6 +21,7 @@
#define to_net_dev(class) container_of(class, struct net_device, class_dev)
static const char fmt_hex[] = "%#x\n";
+static const char fmt_long_hex[] = "%#lx\n";
static const char fmt_dec[] = "%d\n";
static const char fmt_ulong[] = "%lu\n";
@@ -91,7 +92,7 @@ static CLASS_DEVICE_ATTR(field, S_IRUGO, show_##field, NULL) \
NETDEVICE_ATTR(addr_len, fmt_dec);
NETDEVICE_ATTR(iflink, fmt_dec);
NETDEVICE_ATTR(ifindex, fmt_dec);
-NETDEVICE_ATTR(features, fmt_hex);
+NETDEVICE_ATTR(features, fmt_long_hex);
NETDEVICE_ATTR(type, fmt_dec);
/* use same locking rules as GIFHWADDR ioctl's */
@@ -184,6 +185,22 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz
static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
store_tx_queue_len);
+NETDEVICE_SHOW(weight, fmt_dec);
+
+static int change_weight(struct net_device *net, unsigned long new_weight)
+{
+ net->weight = new_weight;
+ return 0;
+}
+
+static ssize_t store_weight(struct class_device *dev, const char *buf, size_t len)
+{
+ return netdev_store(dev, buf, len, change_weight);
+}
+
+static CLASS_DEVICE_ATTR(weight, S_IRUGO | S_IWUSR, show_weight,
+ store_weight);
+
static struct class_device_attribute *net_class_attributes[] = {
&class_device_attr_ifindex,
@@ -193,6 +210,7 @@ static struct class_device_attribute *net_class_attributes[] = {
&class_device_attr_features,
&class_device_attr_mtu,
&class_device_attr_flags,
+ &class_device_attr_weight,
&class_device_attr_type,
&class_device_attr_address,
&class_device_attr_broadcast,
diff --git a/net/core/sock.c b/net/core/sock.c
index 98171dd..96e00b0 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -9,7 +9,7 @@
*
* Version: $Id: sock.c,v 1.117 2002/02/01 22:01:03 davem Exp $
*
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
+ * Authors: Ross Biro
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Florian La Roche, <flla@stud.uni-sb.de>
* Alan Cox, <A.Cox@swansea.ac.uk>
@@ -635,7 +635,11 @@ struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it)
if (zero_it) {
memset(sk, 0, prot->obj_size);
sk->sk_family = family;
- sk->sk_prot = prot;
+ /*
+ * See comment in struct sock definition to understand
+ * why we need sk_prot_creator -acme
+ */
+ sk->sk_prot = sk->sk_prot_creator = prot;
sock_lock_init(sk);
}
@@ -654,7 +658,7 @@ struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it)
void sk_free(struct sock *sk)
{
struct sk_filter *filter;
- struct module *owner = sk->sk_prot->owner;
+ struct module *owner = sk->sk_prot_creator->owner;
if (sk->sk_destruct)
sk->sk_destruct(sk);
@@ -672,8 +676,8 @@ void sk_free(struct sock *sk)
__FUNCTION__, atomic_read(&sk->sk_omem_alloc));
security_sk_free(sk);
- if (sk->sk_prot->slab != NULL)
- kmem_cache_free(sk->sk_prot->slab, sk);
+ if (sk->sk_prot_creator->slab != NULL)
+ kmem_cache_free(sk->sk_prot_creator->slab, sk);
else
kfree(sk);
module_put(owner);