}
#endif
+u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
+ unsigned int num_tx_queues);
+
/*
* Returns a Tx hash for the given packet when dev->real_num_tx_queues is used
* as a distribution range limit for the returned value.
return skb->queue_mapping != 0;
}
-u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
- unsigned int num_tx_queues);
-
static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
{
#ifdef CONFIG_XFRM
}
EXPORT_SYMBOL(netif_device_attach);
+/*
+ * Returns a Tx hash based on the given packet descriptor a Tx queues' number
+ * to be used as a distribution range.
+ */
+u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
+ unsigned int num_tx_queues)
+{
+ u32 hash;
+ u16 qoffset = 0;
+ u16 qcount = num_tx_queues;
+
+ if (skb_rx_queue_recorded(skb)) {
+ hash = skb_get_rx_queue(skb);
+ while (unlikely(hash >= num_tx_queues))
+ hash -= num_tx_queues;
+ return hash;
+ }
+
+ if (dev->num_tc) {
+ u8 tc = netdev_get_prio_tc_map(dev, skb->priority);
+ qoffset = dev->tc_to_txq[tc].offset;
+ qcount = dev->tc_to_txq[tc].count;
+ }
+
+ return (u16) reciprocal_scale(skb_get_hash(skb), qcount) + qoffset;
+}
+EXPORT_SYMBOL(__skb_tx_hash);
+
static void skb_warn_bad_offload(const struct sk_buff *skb)
{
static const netdev_features_t null_features = 0;
}
EXPORT_SYMBOL(skb_get_hash_perturb);
-/*
- * Returns a Tx hash based on the given packet descriptor a Tx queues' number
- * to be used as a distribution range.
- */
-u16 __skb_tx_hash(const struct net_device *dev, struct sk_buff *skb,
- unsigned int num_tx_queues)
-{
- u32 hash;
- u16 qoffset = 0;
- u16 qcount = num_tx_queues;
-
- if (skb_rx_queue_recorded(skb)) {
- hash = skb_get_rx_queue(skb);
- while (unlikely(hash >= num_tx_queues))
- hash -= num_tx_queues;
- return hash;
- }
-
- if (dev->num_tc) {
- u8 tc = netdev_get_prio_tc_map(dev, skb->priority);
- qoffset = dev->tc_to_txq[tc].offset;
- qcount = dev->tc_to_txq[tc].count;
- }
-
- return (u16) reciprocal_scale(skb_get_hash(skb), qcount) + qoffset;
-}
-EXPORT_SYMBOL(__skb_tx_hash);
-
u32 __skb_get_poff(const struct sk_buff *skb, void *data,
const struct flow_keys *keys, int hlen)
{