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authorDavid S. Miller <davem@davemloft.net>2010-06-06 17:42:02 -0700
committerDavid S. Miller <davem@davemloft.net>2010-06-06 17:42:02 -0700
commiteedc765ca4b19a41cf0b921a492ac08d640060d1 (patch)
tree95c566c6238cc953e1e336115d2daafe8bcb388f /net/core
parente59d44df46edaafb6b637e98d046775524b31104 (diff)
parent024a07bacf8287a6ddfa83e9d5b951c5e8b4070e (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/net_driver.h drivers/net/sfc/siena.c
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c8
-rw-r--r--net/core/skbuff.c30
2 files changed, 32 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 3abb3a6058be..b65347c2cf2a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2805,7 +2805,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
struct net_device *orig_dev;
struct net_device *master;
struct net_device *null_or_orig;
- struct net_device *null_or_bond;
+ struct net_device *orig_or_bond;
int ret = NET_RX_DROP;
__be16 type;
@@ -2882,10 +2882,10 @@ ncls:
* device that may have registered for a specific ptype. The
* handler may have to adjust skb->dev and orig_dev.
*/
- null_or_bond = NULL;
+ orig_or_bond = orig_dev;
if ((skb->dev->priv_flags & IFF_802_1Q_VLAN) &&
(vlan_dev_real_dev(skb->dev)->priv_flags & IFF_BONDING)) {
- null_or_bond = vlan_dev_real_dev(skb->dev);
+ orig_or_bond = vlan_dev_real_dev(skb->dev);
}
type = skb->protocol;
@@ -2893,7 +2893,7 @@ ncls:
&ptype_base[ntohs(type) & PTYPE_HASH_MASK], list) {
if (ptype->type == type && (ptype->dev == null_or_orig ||
ptype->dev == skb->dev || ptype->dev == orig_dev ||
- ptype->dev == null_or_bond)) {
+ ptype->dev == orig_or_bond)) {
if (pt_prev)
ret = deliver_skb(skb, pt_prev, orig_dev);
pt_prev = ptype;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 4e7ac09c281a..9f07e749d7b1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2965,6 +2965,34 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
}
EXPORT_SYMBOL_GPL(skb_cow_data);
+static void sock_rmem_free(struct sk_buff *skb)
+{
+ struct sock *sk = skb->sk;
+
+ atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
+}
+
+/*
+ * Note: We dont mem charge error packets (no sk_forward_alloc changes)
+ */
+int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
+{
+ if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
+ (unsigned)sk->sk_rcvbuf)
+ return -ENOMEM;
+
+ skb_orphan(skb);
+ skb->sk = sk;
+ skb->destructor = sock_rmem_free;
+ atomic_add(skb->truesize, &sk->sk_rmem_alloc);
+
+ skb_queue_tail(&sk->sk_error_queue, skb);
+ if (!sock_flag(sk, SOCK_DEAD))
+ sk->sk_data_ready(sk, skb->len);
+ return 0;
+}
+EXPORT_SYMBOL(sock_queue_err_skb);
+
void skb_tstamp_tx(struct sk_buff *orig_skb,
struct skb_shared_hwtstamps *hwtstamps)
{
@@ -2997,9 +3025,7 @@ void skb_tstamp_tx(struct sk_buff *orig_skb,
serr->ee.ee_errno = ENOMSG;
serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING;
- bh_lock_sock(sk);
err = sock_queue_err_skb(sk, skb);
- bh_unlock_sock(sk);
if (err)
kfree_skb(skb);