Displaying 20 results from an estimated 145 matches for "add_recvbuf_big".
2014 Nov 27
1
[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 27
1
[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2011 Jul 29
1
[PATCH RFC net-next] virtio_net: refill buffer right after being used
...net.c
@@ -429,6 +429,22 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, gfp_t gfp)
return err;
}
+static bool fill_one(struct virtio_net *vi, gfp_t gfp)
+{
+ int err;
+
+ if (vi->mergeable_rx_bufs)
+ err = add_recvbuf_mergeable(vi, gfp);
+ else if (vi->big_packets)
+ err = add_recvbuf_big(vi, gfp);
+ else
+ err = add_recvbuf_small(vi, gfp);
+
+ if (err >= 0)
+ ++vi->num;
+ return err;
+}
+
/* Returns false if we couldn't fill entirely (OOM). */
static bool try_fill_recv(struct virtnet_info *vi, gfp_t gfp)
{
@@ -436,17 +452,10 @@ static bool try_fill_recv(struct virtne...
2011 Jul 29
1
[PATCH RFC net-next] virtio_net: refill buffer right after being used
...net.c
@@ -429,6 +429,22 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, gfp_t gfp)
return err;
}
+static bool fill_one(struct virtio_net *vi, gfp_t gfp)
+{
+ int err;
+
+ if (vi->mergeable_rx_bufs)
+ err = add_recvbuf_mergeable(vi, gfp);
+ else if (vi->big_packets)
+ err = add_recvbuf_big(vi, gfp);
+ else
+ err = add_recvbuf_small(vi, gfp);
+
+ if (err >= 0)
+ ++vi->num;
+ return err;
+}
+
/* Returns false if we couldn't fill entirely (OOM). */
static bool try_fill_recv(struct virtnet_info *vi, gfp_t gfp)
{
@@ -436,17 +452,10 @@ static bool try_fill_recv(struct virtne...
2014 Oct 23
0
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -557,7 +551,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -588,8 +583,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Oct 23
0
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -557,7 +551,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -588,8 +583,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 24
0
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 24
0
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 27
0
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 27
0
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 30
0
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Dec 01
0
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 30
0
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Dec 01
0
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Oct 23
6
[PATCH RFC 1/4] virtio_net: pass vi around
...ic bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
- struct virtnet_info *vi = rq->vq->vdev->priv;
int err;
bool oom;
@@ -668,7 +670,7 @@ static bool try_fill_recv(struct receive_queue *rq, gfp_t gfp)
else if (vi->big_packets)
err = add_recvbuf_big(rq, gfp);
else
- err = add_recvbuf_small(rq, gfp);
+ err = add_recvbuf_small(vi, rq, gfp);
oom = err == -ENOMEM;
if (err)
@@ -717,7 +719,7 @@ static void refill_work(struct work_struct *work)
struct receive_queue *rq = &vi->rq[i];
napi_disable(&rq->napi);
- sti...
2014 Oct 23
6
[PATCH RFC 1/4] virtio_net: pass vi around
...ic bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
- struct virtnet_info *vi = rq->vq->vdev->priv;
int err;
bool oom;
@@ -668,7 +670,7 @@ static bool try_fill_recv(struct receive_queue *rq, gfp_t gfp)
else if (vi->big_packets)
err = add_recvbuf_big(rq, gfp);
else
- err = add_recvbuf_small(rq, gfp);
+ err = add_recvbuf_small(vi, rq, gfp);
oom = err == -ENOMEM;
if (err)
@@ -717,7 +719,7 @@ static void refill_work(struct work_struct *work)
struct receive_queue *rq = &vi->rq[i];
napi_disable(&rq->napi);
- sti...
2014 Nov 25
2
[PATCH v4 21/42] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2014 Nov 25
2
[PATCH v4 21/42] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...dr);
+ sg_set_buf(rq->sg, hdr, vi->hdr_len);
skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);
err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
@@ -566,7 +560,8 @@ static int add_recvbuf_small(struct virtnet_info *vi, struct receive_queue *rq,
return err;
}
-static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
+static int add_recvbuf_big(struct virtnet_info *vi, struct receive_queue *rq,
+ gfp_t gfp)
{
struct page *first, *list = NULL;
char *p;
@@ -597,8 +592,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)
p = page_address(first);...
2012 Jan 10
3
[PATCH v2 0/3] virtio_net: Better low memory handling.
The following series applies to net-next.
The following series changes the low memory paths in virtio_net to not
disable NAPI while waiting in the allocator in the slow path.
It attempts to rectify some performance problems we've seen where the
network performance drops significantly when memory is low. The working
theory is that the disabling of NAPI while allocations are occuring in
the
2012 Jan 10
3
[PATCH v2 0/3] virtio_net: Better low memory handling.
The following series applies to net-next.
The following series changes the low memory paths in virtio_net to not
disable NAPI while waiting in the allocator in the slow path.
It attempts to rectify some performance problems we've seen where the
network performance drops significantly when memory is low. The working
theory is that the disabling of NAPI while allocations are occuring in
the