search for: 220mbps

...is fine but the problem lies when add_buf fails, it called notify and the host sends all the pending tx pkts. When enable_cb was called, more_used(vq) returned false so eventually the skb was dropped. Moving notify from add_buf to enable_cb fixes this flow problem. The tx performance boosted from 220Mbps to 850Mbps. Signed-off-by: Dor Laor <dor.laor@qumranet.com> --- drivers/virtio/virtio_ring.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 3a28c13..592bbc9 100644 --- a/drivers/virtio/virtio_ring....

...is fine but the problem lies when add_buf fails, it called notify and the host sends all the pending tx pkts. When enable_cb was called, more_used(vq) returned false so eventually the skb was dropped. Moving notify from add_buf to enable_cb fixes this flow problem. The tx performance boosted from 220Mbps to 850Mbps. Signed-off-by: Dor Laor <dor.laor@qumranet.com> --- drivers/virtio/virtio_ring.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 3a28c13..592bbc9 100644 --- a/drivers/virtio/virtio_ring....