Re: [Xen-devel] [PATCHv1 net] xen-netback: use skb to determine number of required guest Rx requests

2016-01-15 Thread David Vrabel
On 14/01/16 21:54, David Miller wrote: > From: David Vrabel > Date: Thu, 14 Jan 2016 15:18:30 + > >> -needed = xenvif_rx_ring_slots_needed(queue->vif); >> +skb = skb_peek(>rx_queue); >> +if (!skb) >> +return false; >> + >> +needed =

Re: [Xen-devel] [PATCHv1 net] xen-netback: use skb to determine number of required guest Rx requests

2016-01-15 Thread David Miller
From: David Vrabel Date: Fri, 15 Jan 2016 10:31:57 + > On 14/01/16 21:54, David Miller wrote: >> From: David Vrabel >> Date: Thu, 14 Jan 2016 15:18:30 + >> >>> - needed = xenvif_rx_ring_slots_needed(queue->vif); >>> + skb =

Re: [Xen-devel] [PATCHv1 net] xen-netback: use skb to determine number of required guest Rx requests

2016-01-14 Thread David Miller
From: David Vrabel Date: Thu, 14 Jan 2016 15:18:30 + > - needed = xenvif_rx_ring_slots_needed(queue->vif); > + skb = skb_peek(>rx_queue); > + if (!skb) > + return false; > + > + needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); > + if