From: Jiri Pirko Date: Tue, 12 May 2015 12:56:12 +0000 (+0200) Subject: net: move __skb_tx_hash to dev.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5605c76240aadc823e3d46ac9afde2f26fbcf019;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net: move __skb_tx_hash to dev.c __skb_tx_hash function has no relation to flow_dissect so just move it to dev.c Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index cd0951c1893d..d3ed01c18247 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2832,6 +2832,9 @@ static inline int netif_set_xps_queue(struct net_device *dev, } #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. diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index ae2d1b7769d8..b01c7fba7c17 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3299,9 +3299,6 @@ static inline bool skb_rx_queue_recorded(const struct sk_buff *skb) 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 diff --git a/net/core/dev.c b/net/core/dev.c index 90a568a150b4..d044d2f8532b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2350,6 +2350,34 @@ void netif_device_attach(struct net_device *dev) } 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; diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 0d9bc3a586ba..07ca11d06339 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -371,34 +371,6 @@ __u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb) } 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) {