- Original Message -
Le vendredi 12 août 2011 à 09:55 +0800, Jason Wang a écrit :
+ rxq = skb_get_rxhash(skb);
+ if (rxq) {
+ tfile = rcu_dereference(tun-tfiles[rxq % numqueues]);
+ if (tfile)
+ goto out;
+ }
You can avoid an expensive divide with following trick :
u32 idx
- Original Message -
On Fri, Aug 12, 2011 at 09:55:20AM +0800, Jason Wang wrote:
With the abstraction that each socket were a backend of a
queue for userspace, this patch adds multiqueue support for
tap device by allowing multiple sockets to be attached to a
tap device. Then we
Le vendredi 12 août 2011 à 09:55 +0800, Jason Wang a écrit :
+ rxq = skb_get_rxhash(skb);
+ if (rxq) {
+ tfile = rcu_dereference(tun-tfiles[rxq % numqueues]);
+ if (tfile)
+ goto out;
+ }
You can avoid an expensive divide with
On Fri, Aug 12, 2011 at 09:55:20AM +0800, Jason Wang wrote:
With the abstraction that each socket were a backend of a
queue for userspace, this patch adds multiqueue support for
tap device by allowing multiple sockets to be attached to a
tap device. Then we could parallize the transmission by
