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bnx2x: Take the distribution range definition out of skb_tx_hash()

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Move the calcualation of the Tx hash for a given hash range into a separate
function and define the skb_tx_hash(), which calculates a Tx hash for a
[0; dev->real_num_tx_queues - 1] hash values range, using this
function (__skb_tx_hash()).

Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladislav Zolotarov 2010-12-13 06:27:10 +00:00 • committed by David S. Miller
parent d33e455337
commit a3d22a68d7
3 changed files with 23 additions and 7 deletions
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10
include/linux/netdevice.h
View file

@ -1747,6 +1747,16 @@ static inline void netif_wake_subqueue(struct net_device *dev, u16 queue_index)
__netif_schedule(txq->qdisc);
}
/*
* 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.
*/
static inline u16 skb_tx_hash(const struct net_device *dev,
const struct sk_buff *skb)
{
return __skb_tx_hash(dev, skb, dev->real_num_tx_queues);
}
/**
* netif_is_multiqueue - test if device has multiple transmit queues
* @dev: network device