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Date: Mon, 14 Feb 2022 16:14:14 +0800 From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com> To: virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>, bpf@...r.kernel.org Subject: [PATCH v5 20/22] virtio_net: set the default max ring num Sets the default maximum ring num based on virtio_set_max_ring_num(). The default maximum ring num is 1024. Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com> --- drivers/net/virtio_net.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index a4ffd7cdf623..77e61fe0b2ce 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -35,6 +35,8 @@ module_param(napi_tx, bool, 0644); #define GOOD_PACKET_LEN (ETH_HLEN + VLAN_HLEN + ETH_DATA_LEN) #define GOOD_COPY_LEN 128 +#define VIRTNET_DEFAULT_MAX_RING_NUM 1024 + #define VIRTNET_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD) /* Amount of XDP headroom to prepend to packets for use by xdp_adjust_head */ @@ -3045,6 +3047,8 @@ static int virtnet_find_vqs(struct virtnet_info *vi) ctx[rxq2vq(i)] = true; } + virtio_set_max_ring_num(vi->vdev, VIRTNET_DEFAULT_MAX_RING_NUM); + ret = virtio_find_vqs_ctx(vi->vdev, total_vqs, vqs, callbacks, names, ctx, NULL); if (ret) -- 2.31.0
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