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-rw-r--r--net/core/dev.c2
-rw-r--r--net/core/dst.c15
-rw-r--r--net/core/filter.c9
-rw-r--r--net/core/pktgen.c8
-rw-r--r--net/core/skbuff.c16
-rw-r--r--net/core/sock.c4
6 files changed, 33 insertions, 21 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 14dac0654f28..5b3042e69f85 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2284,7 +2284,7 @@ EXPORT_SYMBOL(skb_checksum_help);
__be16 skb_network_protocol(struct sk_buff *skb, int *depth)
{
__be16 type = skb->protocol;
- int vlan_depth = ETH_HLEN;
+ int vlan_depth = skb->mac_len;
/* Tunnel gso handlers can set protocol to ethernet. */
if (type == htons(ETH_P_TEB)) {
diff --git a/net/core/dst.c b/net/core/dst.c
index ca4231ec7347..80d6286c8b62 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -142,12 +142,12 @@ loop:
mutex_unlock(&dst_gc_mutex);
}
-int dst_discard(struct sk_buff *skb)
+int dst_discard_sk(struct sock *sk, struct sk_buff *skb)
{
kfree_skb(skb);
return 0;
}
-EXPORT_SYMBOL(dst_discard);
+EXPORT_SYMBOL(dst_discard_sk);
const u32 dst_default_metrics[RTAX_MAX + 1] = {
/* This initializer is needed to force linker to place this variable
@@ -184,7 +184,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
dst->xfrm = NULL;
#endif
dst->input = dst_discard;
- dst->output = dst_discard;
+ dst->output = dst_discard_sk;
dst->error = 0;
dst->obsolete = initial_obsolete;
dst->header_len = 0;
@@ -209,8 +209,10 @@ static void ___dst_free(struct dst_entry *dst)
/* The first case (dev==NULL) is required, when
protocol module is unloaded.
*/
- if (dst->dev == NULL || !(dst->dev->flags&IFF_UP))
- dst->input = dst->output = dst_discard;
+ if (dst->dev == NULL || !(dst->dev->flags&IFF_UP)) {
+ dst->input = dst_discard;
+ dst->output = dst_discard_sk;
+ }
dst->obsolete = DST_OBSOLETE_DEAD;
}
@@ -361,7 +363,8 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
return;
if (!unregister) {
- dst->input = dst->output = dst_discard;
+ dst->input = dst_discard;
+ dst->output = dst_discard_sk;
} else {
dst->dev = dev_net(dst->dev)->loopback_dev;
dev_hold(dst->dev);
diff --git a/net/core/filter.c b/net/core/filter.c
index e08b3822c72a..cd58614660cf 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -600,6 +600,9 @@ static u64 __skb_get_nlattr(u64 ctx, u64 A, u64 X, u64 r4, u64 r5)
if (skb_is_nonlinear(skb))
return 0;
+ if (skb->len < sizeof(struct nlattr))
+ return 0;
+
if (A > skb->len - sizeof(struct nlattr))
return 0;
@@ -618,11 +621,14 @@ static u64 __skb_get_nlattr_nest(u64 ctx, u64 A, u64 X, u64 r4, u64 r5)
if (skb_is_nonlinear(skb))
return 0;
+ if (skb->len < sizeof(struct nlattr))
+ return 0;
+
if (A > skb->len - sizeof(struct nlattr))
return 0;
nla = (struct nlattr *) &skb->data[A];
- if (nla->nla_len > A - skb->len)
+ if (nla->nla_len > skb->len - A)
return 0;
nla = nla_find_nested(nla, X);
@@ -1737,7 +1743,6 @@ void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to)
[BPF_S_ANC_RXHASH] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_CPU] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_ALU_XOR_X] = BPF_LD|BPF_B|BPF_ABS,
- [BPF_S_ANC_SECCOMP_LD_W] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_VLAN_TAG] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_VLAN_TAG_PRESENT] = BPF_LD|BPF_B|BPF_ABS,
[BPF_S_ANC_PAY_OFFSET] = BPF_LD|BPF_B|BPF_ABS,
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index d068ec25db1e..0304f981f7ff 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3338,7 +3338,9 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
queue_map = skb_get_queue_mapping(pkt_dev->skb);
txq = netdev_get_tx_queue(odev, queue_map);
- __netif_tx_lock_bh(txq);
+ local_bh_disable();
+
+ HARD_TX_LOCK(odev, txq, smp_processor_id());
if (unlikely(netif_xmit_frozen_or_drv_stopped(txq))) {
ret = NETDEV_TX_BUSY;
@@ -3374,7 +3376,9 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->last_ok = 0;
}
unlock:
- __netif_tx_unlock_bh(txq);
+ HARD_TX_UNLOCK(odev, txq);
+
+ local_bh_enable();
/* If pkt_dev->count is zero, then run forever */
if ((pkt_dev->count != 0) && (pkt_dev->sofar >= pkt_dev->count)) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 30c7d35dd862..1b62343f5837 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3458,8 +3458,6 @@ static void sock_rmem_free(struct sk_buff *skb)
*/
int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
{
- int len = skb->len;
-
if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
(unsigned int)sk->sk_rcvbuf)
return -ENOMEM;
@@ -3474,7 +3472,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
skb_queue_tail(&sk->sk_error_queue, skb);
if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_data_ready(sk, len);
+ sk->sk_data_ready(sk);
return 0;
}
EXPORT_SYMBOL(sock_queue_err_skb);
@@ -3937,12 +3935,14 @@ EXPORT_SYMBOL_GPL(skb_scrub_packet);
unsigned int skb_gso_transport_seglen(const struct sk_buff *skb)
{
const struct skb_shared_info *shinfo = skb_shinfo(skb);
- unsigned int hdr_len;
if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)))
- hdr_len = tcp_hdrlen(skb);
- else
- hdr_len = sizeof(struct udphdr);
- return hdr_len + shinfo->gso_size;
+ return tcp_hdrlen(skb) + shinfo->gso_size;
+
+ /* UFO sets gso_size to the size of the fragmentation
+ * payload, i.e. the size of the L4 (UDP) header is already
+ * accounted for.
+ */
+ return shinfo->gso_size;
}
EXPORT_SYMBOL_GPL(skb_gso_transport_seglen);
diff --git a/net/core/sock.c b/net/core/sock.c
index c0fc6bdad1e3..b4fff008136f 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -428,7 +428,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
spin_unlock_irqrestore(&list->lock, flags);
if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_data_ready(sk, skb_len);
+ sk->sk_data_ready(sk);
return 0;
}
EXPORT_SYMBOL(sock_queue_rcv_skb);
@@ -2196,7 +2196,7 @@ static void sock_def_error_report(struct sock *sk)
rcu_read_unlock();
}
-static void sock_def_readable(struct sock *sk, int len)
+static void sock_def_readable(struct sock *sk)
{
struct socket_wq *wq;
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