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Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c47
1 files changed, 15 insertions, 32 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 1bfd96b1fbd4..97fd6bc2004c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2789,33 +2789,6 @@ out:
}
#endif
-/*
- * netif_nit_deliver - deliver received packets to network taps
- * @skb: buffer
- *
- * This function is used to deliver incoming packets to network
- * taps. It should be used when the normal netif_receive_skb path
- * is bypassed, for example because of VLAN acceleration.
- */
-void netif_nit_deliver(struct sk_buff *skb)
-{
- struct packet_type *ptype;
-
- if (list_empty(&ptype_all))
- return;
-
- skb_reset_network_header(skb);
- skb_reset_transport_header(skb);
- skb->mac_len = skb->network_header - skb->mac_header;
-
- rcu_read_lock();
- list_for_each_entry_rcu(ptype, &ptype_all, list) {
- if (!ptype->dev || ptype->dev == skb->dev)
- deliver_skb(skb, ptype, skb->dev);
- }
- rcu_read_unlock();
-}
-
/**
* netdev_rx_handler_register - register receive handler
* @dev: device to register a handler for
@@ -2925,9 +2898,6 @@ static int __netif_receive_skb(struct sk_buff *skb)
if (!netdev_tstamp_prequeue)
net_timestamp_check(skb);
- if (vlan_tx_tag_present(skb))
- vlan_hwaccel_do_receive(skb);
-
/* if we've gotten here through NAPI, check netpoll */
if (netpoll_receive_skb(skb))
return NET_RX_DROP;
@@ -2940,8 +2910,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
* be delivered to pkt handlers that are exact matches. Also
* the deliver_no_wcard flag will be set. If packet handlers
* are sensitive to duplicate packets these skbs will need to
- * be dropped at the handler. The vlan accel path may have
- * already set the deliver_no_wcard flag.
+ * be dropped at the handler.
*/
null_or_orig = NULL;
orig_dev = skb->dev;
@@ -3000,6 +2969,18 @@ ncls:
goto out;
}
+ if (vlan_tx_tag_present(skb)) {
+ if (pt_prev) {
+ ret = deliver_skb(skb, pt_prev, orig_dev);
+ pt_prev = NULL;
+ }
+ if (vlan_hwaccel_do_receive(&skb)) {
+ ret = __netif_receive_skb(skb);
+ goto out;
+ } else if (unlikely(!skb))
+ goto out;
+ }
+
/*
* Make sure frames received on VLAN interfaces stacked on
* bonding interfaces still make their way to any base bonding
@@ -3264,6 +3245,7 @@ __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
unsigned long diffs;
diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev;
+ diffs |= p->vlan_tci ^ skb->vlan_tci;
diffs |= compare_ether_header(skb_mac_header(p),
skb_gro_mac_header(skb));
NAPI_GRO_CB(p)->same_flow = !diffs;
@@ -3323,6 +3305,7 @@ void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
{
__skb_pull(skb, skb_headlen(skb));
skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
+ skb->vlan_tci = 0;
napi->skb = skb;
}