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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-25 16:59:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-25 16:59:51 -0700
commitb1cdc4670b9508fcd47a15fbd12f70d269880b37 (patch)
treefea9e2650170886d539488f8b1e064f6ca60ad36 /net/core
parentce7d0226198aac42ed311dd2783232adc16b296d (diff)
parentf925b1303e0672effc78547353bd2ddfe11f5b5f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (63 commits) drivers/net/usb/asix.c: Fix pointer cast. be2net: Bug fix to avoid disabling bottom half during firmware upgrade. proc_dointvec: write a single value hso: add support for new products Phonet: fix potential use-after-free in pep_sock_close() ath9k: remove VEOL support for ad-hoc ath9k: change beacon allocation to prefer the first beacon slot sock.h: fix kernel-doc warning cls_cgroup: Fix build error when built-in macvlan: do proper cleanup in macvlan_common_newlink() V2 be2net: Bug fix in init code in probe net/dccp: expansion of error code size ath9k: Fix rx of mcast/bcast frames in PS mode with auto sleep wireless: fix sta_info.h kernel-doc warnings wireless: fix mac80211.h kernel-doc warnings iwlwifi: testing the wrong variable in iwl_add_bssid_station() ath9k_htc: rare leak in ath9k_hif_usb_alloc_tx_urbs() ath9k_htc: dereferencing before check in hif_usb_tx_cb() rt2x00: Fix rt2800usb TX descriptor writing. rt2x00: Fix failed SLEEP->AWAKE and AWAKE->SLEEP transitions. ...
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c48
-rw-r--r--net/core/rtnetlink.c4
-rw-r--r--net/core/skbuff.c1
-rw-r--r--net/core/sock.c19
4 files changed, 50 insertions, 22 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d273e4e3ecdc..1845b08c624e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -954,18 +954,22 @@ int dev_alloc_name(struct net_device *dev, const char *name)
}
EXPORT_SYMBOL(dev_alloc_name);
-static int dev_get_valid_name(struct net *net, const char *name, char *buf,
- bool fmt)
+static int dev_get_valid_name(struct net_device *dev, const char *name, bool fmt)
{
+ struct net *net;
+
+ BUG_ON(!dev_net(dev));
+ net = dev_net(dev);
+
if (!dev_valid_name(name))
return -EINVAL;
if (fmt && strchr(name, '%'))
- return __dev_alloc_name(net, name, buf);
+ return dev_alloc_name(dev, name);
else if (__dev_get_by_name(net, name))
return -EEXIST;
- else if (buf != name)
- strlcpy(buf, name, IFNAMSIZ);
+ else if (dev->name != name)
+ strlcpy(dev->name, name, IFNAMSIZ);
return 0;
}
@@ -997,7 +1001,7 @@ int dev_change_name(struct net_device *dev, const char *newname)
memcpy(oldname, dev->name, IFNAMSIZ);
- err = dev_get_valid_name(net, newname, dev->name, 1);
+ err = dev_get_valid_name(dev, newname, 1);
if (err < 0)
return err;
@@ -2421,10 +2425,7 @@ static int enqueue_to_backlog(struct sk_buff *skb, int cpu,
if (skb_queue_len(&sd->input_pkt_queue)) {
enqueue:
__skb_queue_tail(&sd->input_pkt_queue, skb);
-#ifdef CONFIG_RPS
- *qtail = sd->input_queue_head +
- skb_queue_len(&sd->input_pkt_queue);
-#endif
+ input_queue_tail_incr_save(sd, qtail);
rps_unlock(sd);
local_irq_restore(flags);
return NET_RX_SUCCESS;
@@ -2959,7 +2960,7 @@ static void flush_backlog(void *arg)
if (skb->dev == dev) {
__skb_unlink(skb, &sd->input_pkt_queue);
kfree_skb(skb);
- input_queue_head_add(sd, 1);
+ input_queue_head_incr(sd);
}
}
rps_unlock(sd);
@@ -2968,6 +2969,7 @@ static void flush_backlog(void *arg)
if (skb->dev == dev) {
__skb_unlink(skb, &sd->process_queue);
kfree_skb(skb);
+ input_queue_head_incr(sd);
}
}
}
@@ -3323,18 +3325,20 @@ static int process_backlog(struct napi_struct *napi, int quota)
while ((skb = __skb_dequeue(&sd->process_queue))) {
local_irq_enable();
__netif_receive_skb(skb);
- if (++work >= quota)
- return work;
local_irq_disable();
+ input_queue_head_incr(sd);
+ if (++work >= quota) {
+ local_irq_enable();
+ return work;
+ }
}
rps_lock(sd);
qlen = skb_queue_len(&sd->input_pkt_queue);
- if (qlen) {
- input_queue_head_add(sd, qlen);
+ if (qlen)
skb_queue_splice_tail_init(&sd->input_pkt_queue,
&sd->process_queue);
- }
+
if (qlen < quota - work) {
/*
* Inline a custom version of __napi_complete().
@@ -4960,7 +4964,7 @@ int register_netdevice(struct net_device *dev)
}
}
- ret = dev_get_valid_name(net, dev->name, dev->name, 0);
+ ret = dev_get_valid_name(dev, dev->name, 0);
if (ret)
goto err_uninit;
@@ -5558,7 +5562,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
/* We get here if we can't use the current device name */
if (!pat)
goto out;
- if (dev_get_valid_name(net, pat, dev->name, 1))
+ if (dev_get_valid_name(dev, pat, 1))
goto out;
}
@@ -5661,12 +5665,14 @@ static int dev_cpu_callback(struct notifier_block *nfb,
local_irq_enable();
/* Process offline CPU's input_pkt_queue */
- while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
+ while ((skb = __skb_dequeue(&oldsd->process_queue))) {
netif_rx(skb);
- input_queue_head_add(oldsd, 1);
+ input_queue_head_incr(oldsd);
}
- while ((skb = __skb_dequeue(&oldsd->process_queue)))
+ while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
netif_rx(skb);
+ input_queue_head_incr(oldsd);
+ }
return NOTIFY_OK;
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index e4b9870e4706..7ab86f3a1ea4 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1199,8 +1199,10 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
struct nlattr *attr;
int rem;
nla_for_each_nested(attr, tb[IFLA_VFINFO_LIST], rem) {
- if (nla_type(attr) != IFLA_VF_INFO)
+ if (nla_type(attr) != IFLA_VF_INFO) {
+ err = -EINVAL;
goto errout;
+ }
err = do_setvfinfo(dev, attr);
if (err < 0)
goto errout;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 66d9c416851e..f8abf68e3988 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2722,6 +2722,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
*NAPI_GRO_CB(nskb) = *NAPI_GRO_CB(p);
skb_shinfo(nskb)->frag_list = p;
skb_shinfo(nskb)->gso_size = pinfo->gso_size;
+ pinfo->gso_size = 0;
skb_header_release(p);
nskb->prev = p;
diff --git a/net/core/sock.c b/net/core/sock.c
index bf88a167c8f2..37fe9b6adade 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -123,6 +123,7 @@
#include <linux/net_tstamp.h>
#include <net/xfrm.h>
#include <linux/ipsec.h>
+#include <net/cls_cgroup.h>
#include <linux/filter.h>
@@ -217,6 +218,11 @@ __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512);
EXPORT_SYMBOL(sysctl_optmem_max);
+#if defined(CONFIG_CGROUPS) && !defined(CONFIG_NET_CLS_CGROUP)
+int net_cls_subsys_id = -1;
+EXPORT_SYMBOL_GPL(net_cls_subsys_id);
+#endif
+
static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
{
struct timeval tv;
@@ -1050,6 +1056,17 @@ static void sk_prot_free(struct proto *prot, struct sock *sk)
module_put(owner);
}
+#ifdef CONFIG_CGROUPS
+void sock_update_classid(struct sock *sk)
+{
+ u32 classid = task_cls_classid(current);
+
+ if (classid && classid != sk->sk_classid)
+ sk->sk_classid = classid;
+}
+EXPORT_SYMBOL(sock_update_classid);
+#endif
+
/**
* sk_alloc - All socket objects are allocated here
* @net: the applicable net namespace
@@ -1073,6 +1090,8 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
sock_lock_init(sk);
sock_net_set(sk, get_net(net));
atomic_set(&sk->sk_wmem_alloc, 1);
+
+ sock_update_classid(sk);
}
return sk;