Displaying 4 results from an estimated 4 matches for "gso_prefix".
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gpt_prefix
2013 Oct 10
3
[PATCH net-next v3 5/5] xen-netback: enable IPv6 TCP GSO to the guest
...;
+#define GSO_BIT(type) \
+ (1 << XEN_NETIF_GSO_TYPE_ ## type)
+
/* Discriminate from any valid pending_idx value. */
#define INVALID_PENDING_IDX 0xFFFF
@@ -150,9 +154,10 @@ struct xenvif {
u8 fe_dev_addr[6];
/* Frontend feature information. */
+ int gso_mask;
+ int gso_prefix_mask;
+
u8 can_sg:1;
- u8 gso:1;
- u8 gso_prefix:1;
u8 ip_csum:1;
u8 ipv6_csum:1;
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index cb0d8ea..e4aa267 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -214,...
2013 Jul 10
13
[PATCH v2 1/1] xen/netback: correctly calculate required slots of skb.
...+unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb)
+{
+ int i, copy_off = 0;
+ int nr_frags = skb_shinfo(skb)->nr_frags;
+ unsigned char *data;
+ int head = 1;
+ unsigned int count = 0;
- copy_off += bytes;
+ if (skb_shinfo(skb)->gso_size && !vif->gso_prefix)
+ count++;
- offset += bytes;
- size -= bytes;
+ data = skb->data;
+ while (data < skb_tail_pointer(skb)) {
+ unsigned int offset = offset_in_page(data);
+ unsigned int len = PAGE_SIZE - offset;
- if (offset == PAGE_SIZE)
- offset = 0;
- }
+ if (data + len > skb_tail_poi...
2013 Jul 09
20
[PATCH 1/1] xen/netback: correctly calculate required slots of skb.
When counting required slots for skb, netback directly uses DIV_ROUND_UP to get
slots required by header data. This is wrong when offset in the page of header
data is not zero, and is also inconsistent with following calculation for
required slot in netbk_gop_skb.
In netbk_gop_skb, required slots are calculated based on offset and len in page
of header data. It is possible that required slots
2013 Jul 02
3
[PATCH RFC] xen-netback: remove guest RX path dependence on MAX_SKB_FRAGS
...xen_netbk_kick_thread(struct xen_netbk *netbk)
wake_up(&netbk->wq);
}
-static int max_required_rx_slots(struct xenvif *vif)
-{
- int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE);
-
- /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
- if (vif->can_sg || vif->gso || vif->gso_prefix)
- max += MAX_SKB_FRAGS + 1; /* extra_info + frags */
-
- return max;
-}
-
int xen_netbk_rx_ring_full(struct xenvif *vif)
{
- RING_IDX peek = vif->rx_req_cons_peek;
- RING_IDX needed = max_required_rx_slots(vif);
+ RING_IDX peek = vif->rx_req_cons_peek;
- return ((vif->rx.sring->...