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-rw-r--r--net/core/dev.c8
-rw-r--r--net/core/ethtool.c16
-rw-r--r--net/core/neighbour.c6
-rw-r--r--net/core/net_namespace.c35
-rw-r--r--net/core/netpoll.c6
-rw-r--r--net/core/rtnetlink.c21
-rw-r--r--net/core/skbuff.c3
7 files changed, 59 insertions, 36 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 70c27e0..d6c657e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1704,7 +1704,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
skb_dst_drop(skb);
rc = ops->ndo_start_xmit(skb, dev);
- if (rc == 0)
+ if (rc == NETDEV_TX_OK)
txq_trans_update(txq);
/*
* TODO: if skb_orphan() was called by
@@ -1730,7 +1730,7 @@ gso:
skb->next = nskb->next;
nskb->next = NULL;
rc = ops->ndo_start_xmit(nskb, dev);
- if (unlikely(rc)) {
+ if (unlikely(rc != NETDEV_TX_OK)) {
nskb->next = skb->next;
skb->next = nskb;
return rc;
@@ -1744,7 +1744,7 @@ gso:
out_kfree_skb:
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static u32 skb_tx_hashrnd;
@@ -3923,6 +3923,7 @@ int __dev_addr_sync(struct dev_addr_list **to, int *to_count,
}
return err;
}
+EXPORT_SYMBOL_GPL(__dev_addr_sync);
void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
struct dev_addr_list **from, int *from_count)
@@ -3942,6 +3943,7 @@ void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
da = next;
}
}
+EXPORT_SYMBOL_GPL(__dev_addr_unsync);
/**
* dev_unicast_sync - Synchronize device's unicast list to another device
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d9d5160..44e5711 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -30,10 +30,17 @@ u32 ethtool_op_get_link(struct net_device *dev)
return netif_carrier_ok(dev) ? 1 : 0;
}
+u32 ethtool_op_get_rx_csum(struct net_device *dev)
+{
+ return (dev->features & NETIF_F_ALL_CSUM) != 0;
+}
+EXPORT_SYMBOL(ethtool_op_get_rx_csum);
+
u32 ethtool_op_get_tx_csum(struct net_device *dev)
{
return (dev->features & NETIF_F_ALL_CSUM) != 0;
}
+EXPORT_SYMBOL(ethtool_op_get_tx_csum);
int ethtool_op_set_tx_csum(struct net_device *dev, u32 data)
{
@@ -1004,7 +1011,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
break;
case ETHTOOL_GRXCSUM:
rc = ethtool_get_value(dev, useraddr, ethcmd,
- dev->ethtool_ops->get_rx_csum);
+ (dev->ethtool_ops->get_rx_csum ?
+ dev->ethtool_ops->get_rx_csum :
+ ethtool_op_get_rx_csum));
break;
case ETHTOOL_SRXCSUM:
rc = ethtool_set_rx_csum(dev, useraddr);
@@ -1068,7 +1077,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
break;
case ETHTOOL_GFLAGS:
rc = ethtool_get_value(dev, useraddr, ethcmd,
- dev->ethtool_ops->get_flags);
+ (dev->ethtool_ops->get_flags ?
+ dev->ethtool_ops->get_flags :
+ ethtool_op_get_flags));
break;
case ETHTOOL_SFLAGS:
rc = ethtool_set_value(dev, useraddr,
@@ -1116,7 +1127,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
EXPORT_SYMBOL(ethtool_op_get_link);
EXPORT_SYMBOL(ethtool_op_get_sg);
EXPORT_SYMBOL(ethtool_op_get_tso);
-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);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 163b4f5..c6f9ad8 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1316,7 +1316,7 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
}
EXPORT_SYMBOL(pneigh_enqueue);
-static inline struct neigh_parms *lookup_neigh_params(struct neigh_table *tbl,
+static inline struct neigh_parms *lookup_neigh_parms(struct neigh_table *tbl,
struct net *net, int ifindex)
{
struct neigh_parms *p;
@@ -1337,7 +1337,7 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
struct net *net = dev_net(dev);
const struct net_device_ops *ops = dev->netdev_ops;
- ref = lookup_neigh_params(tbl, net, 0);
+ ref = lookup_neigh_parms(tbl, net, 0);
if (!ref)
return NULL;
@@ -1906,7 +1906,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
if (tbp[NDTPA_IFINDEX])
ifindex = nla_get_u32(tbp[NDTPA_IFINDEX]);
- p = lookup_neigh_params(tbl, net, ifindex);
+ p = lookup_neigh_parms(tbl, net, ifindex);
if (p == NULL) {
err = -ENOENT;
goto errout_tbl_lock;
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index b7292a2..ddd2cd2 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -6,6 +6,8 @@
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/idr.h>
+#include <linux/rculist.h>
+#include <linux/nsproxy.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
@@ -127,7 +129,7 @@ static struct net *net_create(void)
rv = setup_net(net);
if (rv == 0) {
rtnl_lock();
- list_add_tail(&net->list, &net_namespace_list);
+ list_add_tail_rcu(&net->list, &net_namespace_list);
rtnl_unlock();
}
mutex_unlock(&net_mutex);
@@ -156,9 +158,16 @@ static void cleanup_net(struct work_struct *work)
/* Don't let anyone else find us. */
rtnl_lock();
- list_del(&net->list);
+ list_del_rcu(&net->list);
rtnl_unlock();
+ /*
+ * Another CPU might be rcu-iterating the list, wait for it.
+ * This needs to be before calling the exit() notifiers, so
+ * the rcu_barrier() below isn't sufficient alone.
+ */
+ synchronize_rcu();
+
/* Run all of the network namespace exit methods */
list_for_each_entry_reverse(ops, &pernet_list, list) {
if (ops->exit)
@@ -193,6 +202,26 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
}
#endif
+struct net *get_net_ns_by_pid(pid_t pid)
+{
+ struct task_struct *tsk;
+ struct net *net;
+
+ /* Lookup the network namespace */
+ net = ERR_PTR(-ESRCH);
+ rcu_read_lock();
+ tsk = find_task_by_vpid(pid);
+ if (tsk) {
+ struct nsproxy *nsproxy;
+ nsproxy = task_nsproxy(tsk);
+ if (nsproxy)
+ net = get_net(nsproxy->net_ns);
+ }
+ rcu_read_unlock();
+ return net;
+}
+EXPORT_SYMBOL_GPL(get_net_ns_by_pid);
+
static int __init net_ns_init(void)
{
struct net_generic *ng;
@@ -219,7 +248,7 @@ static int __init net_ns_init(void)
panic("Could not setup the initial network namespace");
rtnl_lock();
- list_add_tail(&init_net.list, &net_namespace_list);
+ list_add_tail_rcu(&init_net.list, &net_namespace_list);
rtnl_unlock();
mutex_unlock(&net_mutex);
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index df30feb..0ac3091 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -9,6 +9,7 @@
* Copyright (C) 2002 Red Hat, Inc.
*/
+#include <linux/moduleparam.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/string.h>
@@ -50,6 +51,9 @@ static atomic_t trapped;
static void zap_completion_queue(void);
static void arp_reply(struct sk_buff *skb);
+static unsigned int carrier_timeout = 4;
+module_param(carrier_timeout, uint, 0644);
+
static void queue_process(struct work_struct *work)
{
struct netpoll_info *npinfo =
@@ -732,7 +736,7 @@ int netpoll_setup(struct netpoll *np)
}
atleast = jiffies + HZ/10;
- atmost = jiffies + 4*HZ;
+ atmost = jiffies + carrier_timeout * HZ;
while (!netif_carrier_ok(ndev)) {
if (time_after(jiffies, atmost)) {
printk(KERN_NOTICE
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d78030f..b44775f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -35,7 +35,6 @@
#include <linux/security.h>
#include <linux/mutex.h>
#include <linux/if_addr.h>
-#include <linux/nsproxy.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -52,6 +51,7 @@
#include <net/pkt_sched.h>
#include <net/fib_rules.h>
#include <net/rtnetlink.h>
+#include <net/net_namespace.h>
struct rtnl_link
{
@@ -725,25 +725,6 @@ static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
[IFLA_INFO_DATA] = { .type = NLA_NESTED },
};
-static struct net *get_net_ns_by_pid(pid_t pid)
-{
- struct task_struct *tsk;
- struct net *net;
-
- /* Lookup the network namespace */
- net = ERR_PTR(-ESRCH);
- rcu_read_lock();
- tsk = find_task_by_vpid(pid);
- if (tsk) {
- struct nsproxy *nsproxy;
- nsproxy = task_nsproxy(tsk);
- if (nsproxy)
- net = get_net(nsproxy->net_ns);
- }
- rcu_read_unlock();
- return net;
-}
-
static int validate_linkmsg(struct net_device *dev, struct nlattr *tb[])
{
if (dev) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 9e0597d..80a9616 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -559,9 +559,6 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
#endif
#endif
new->vlan_tci = old->vlan_tci;
-#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
- new->do_not_encrypt = old->do_not_encrypt;
-#endif
skb_copy_secmark(new, old);
}
generated by cgit v1.1 at 2025-08-25 09:30:24 +0000