search for: skb_get_rx_queue

Displaying 20 results from an estimated 68 matches for "skb_get_rx_queue".

[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...tnet_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { @@ -1131,7 +1154,14 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu) */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : + int txq; + + if (unlikely(cpu_hotplug == true)) { + virtnet_set_affinity(netdev_priv(dev), true); + cpu_hotplug = false; + } + + txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : smp_processor_id(); while (unlikely(txq >= dev->real_num_tx_queues)) @@ -1248,6 +1278...
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
2012 Dec 26
5
[RFC PATCH] virtio-net: reset virtqueue affinity when doing cpu hotplug
...tnet_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { @@ -1131,7 +1154,14 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu) */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : + int txq; + + if (unlikely(cpu_hotplug == true)) { + virtnet_set_affinity(netdev_priv(dev), true); + cpu_hotplug = false; + } + + txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : smp_processor_id(); while (unlikely(txq >= dev->real_num_tx_queues)) @@ -1248,6 +1278...
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 08
3
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq = 0; + + if (skb_rx_queue_recorded(skb)) + txq = skb_get_rx_queue(skb); + else if ((txq = per_cpu(vq_index, smp_processor_id())) == -1) + txq = 0; while (unlikely(txq >= dev->real_num_tx_queues)) txq -= dev->real_num_tx_queues; -- 1.8.1
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 08
3
[PATCH V3 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq = 0; + + if (skb_rx_queue_recorded(skb)) + txq = skb_get_rx_queue(skb); + else if ((txq = per_cpu(vq_index, smp_processor_id())) == -1) + txq = 0; while (unlikely(txq >= dev->real_num_tx_queues)) txq -= dev->real_num_tx_queues; -- 1.8.1
[PATCH] macvtap: Fix macvtap_get_queue to use rxhash first
2011 Nov 24
2
[PATCH] macvtap: Fix macvtap_get_queue to use rxhash first
...truct macvtap_queue *macvtap_get if (!numvtaps) goto out; + /* Check if we can use flow to select a queue */ + rxq = skb_get_rxhash(skb); + if (rxq) { + tap = rcu_dereference(vlan->taps[rxq % numvtaps]); + if (tap) + goto out; + } + if (likely(skb_rx_queue_recorded(skb))) { rxq = skb_get_rx_queue(skb); @@ -186,14 +194,6 @@ static struct macvtap_queue *macvtap_get goto out; } - /* Check if we can use flow to select a queue */ - rxq = skb_get_rxhash(skb); - if (rxq) { - tap = rcu_dereference(vlan->taps[rxq % numvtaps]); - if (tap) - goto out; - } - /* Everything failed - fi...
[PATCH] macvtap: Fix macvtap_get_queue to use rxhash first
2011 Nov 24
2
[PATCH] macvtap: Fix macvtap_get_queue to use rxhash first
...truct macvtap_queue *macvtap_get if (!numvtaps) goto out; + /* Check if we can use flow to select a queue */ + rxq = skb_get_rxhash(skb); + if (rxq) { + tap = rcu_dereference(vlan->taps[rxq % numvtaps]); + if (tap) + goto out; + } + if (likely(skb_rx_queue_recorded(skb))) { rxq = skb_get_rx_queue(skb); @@ -186,14 +194,6 @@ static struct macvtap_queue *macvtap_get goto out; } - /* Check if we can use flow to select a queue */ - rxq = skb_get_rxhash(skb); - if (rxq) { - tap = rcu_dereference(vlan->taps[rxq % numvtaps]); - if (tap) - goto out; - } - /* Everything failed - fi...
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 18
3
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 18
3
[PATCH V5 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 11
2
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 11
2
[PATCH V4 1/2] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 21
6
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 21
6
[PATCH V6 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 25
4
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 25
4
[PATCH V7 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH net-next] virtio-net: switch to use XPS to choose txq
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...avoid contending a lock hold by a vcpu who would exit to host, select the - * txq based on the processor id. - */ -static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - int txq; - struct virtnet_info *vi = netdev_priv(dev); - - if (skb_rx_queue_recorded(skb)) { - txq = skb_get_rx_queue(skb); - } else { - txq = *__this_cpu_ptr(vi->vq_index); - if (txq == -1) - txq = 0; - } - - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - - return txq; -} - static const struct net_device_ops virtnet_netdev = { .ndo_open = virtne...
[PATCH net-next] virtio-net: switch to use XPS to choose txq
2013 Sep 27
4
[PATCH net-next] virtio-net: switch to use XPS to choose txq
...avoid contending a lock hold by a vcpu who would exit to host, select the - * txq based on the processor id. - */ -static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - int txq; - struct virtnet_info *vi = netdev_priv(dev); - - if (skb_rx_queue_recorded(skb)) { - txq = skb_get_rx_queue(skb); - } else { - txq = *__this_cpu_ptr(vi->vq_index); - if (txq == -1) - txq = 0; - } - - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - - return txq; -} - static const struct net_device_ops virtnet_netdev = { .ndo_open = virtne...
[net-next PATCH V2] virtio-net: switch to use XPS to choose txq
2013 Sep 30
4
[net-next PATCH V2] virtio-net: switch to use XPS to choose txq
...avoid contending a lock hold by a vcpu who would exit to host, select the - * txq based on the processor id. - */ -static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - int txq; - struct virtnet_info *vi = netdev_priv(dev); - - if (skb_rx_queue_recorded(skb)) { - txq = skb_get_rx_queue(skb); - } else { - txq = *__this_cpu_ptr(vi->vq_index); - if (txq == -1) - txq = 0; - } - - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - - return txq; -} - static const struct net_device_ops virtnet_netdev = { .ndo_open = virtne...
[net-next PATCH V2] virtio-net: switch to use XPS to choose txq
2013 Sep 30
4
[net-next PATCH V2] virtio-net: switch to use XPS to choose txq
...avoid contending a lock hold by a vcpu who would exit to host, select the - * txq based on the processor id. - */ -static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) -{ - int txq; - struct virtnet_info *vi = netdev_priv(dev); - - if (skb_rx_queue_recorded(skb)) { - txq = skb_get_rx_queue(skb); - } else { - txq = *__this_cpu_ptr(vi->vq_index); - if (txq == -1) - txq = 0; - } - - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - - return txq; -} - static const struct net_device_ops virtnet_netdev = { .ndo_open = virtne...
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 25
5
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
2013 Jan 25
5
[PATCH V8 1/3] virtio-net: fix the set affinity bug when CPU IDs are not consecutive
...evice *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_q...