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Message-Id: <2e33885eceecbb6f1565d182a4b45d523cd31d34.1696745452.git.hengqi@linux.alibaba.com>
Date: Sun, 8 Oct 2023 14:27:41 +0800
From: Heng Qi <hengqi@...ux.alibaba.com>
To: netdev@...r.kernel.org,
virtualization@...ts.linux-foundation.org
Cc: Jason Wang <jasowang@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Jesper Dangaard Brouer <hawk@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
Gavin Li <gavinl@...dia.com>
Subject: [PATCH v3 3/6] virtio-net: consistently save parameters for per-queue
When using .set_coalesce interface to set all queue coalescing
parameters, we need to update both per-queue and global save values.
Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce command")
Cc: Gavin Li <gavinl@...dia.com>
Signed-off-by: Heng Qi <hengqi@...ux.alibaba.com>
Acked-by: Jason Wang <jasowang@...hat.com>
---
drivers/net/virtio_net.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 15bac303e3ff..6120dd5343dd 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3233,6 +3233,7 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
struct ethtool_coalesce *ec)
{
struct scatterlist sgs_tx, sgs_rx;
+ int i;
vi->ctrl->coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs);
vi->ctrl->coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames);
@@ -3246,6 +3247,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
/* Save parameters */
vi->intr_coal_tx.max_usecs = ec->tx_coalesce_usecs;
vi->intr_coal_tx.max_packets = ec->tx_max_coalesced_frames;
+ for (i = 0; i < vi->max_queue_pairs; i++) {
+ vi->sq[i].intr_coal.max_usecs = ec->tx_coalesce_usecs;
+ vi->sq[i].intr_coal.max_packets = ec->tx_max_coalesced_frames;
+ }
vi->ctrl->coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs);
vi->ctrl->coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames);
@@ -3259,6 +3264,10 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
/* Save parameters */
vi->intr_coal_rx.max_usecs = ec->rx_coalesce_usecs;
vi->intr_coal_rx.max_packets = ec->rx_max_coalesced_frames;
+ for (i = 0; i < vi->max_queue_pairs; i++) {
+ vi->rq[i].intr_coal.max_usecs = ec->rx_coalesce_usecs;
+ vi->rq[i].intr_coal.max_packets = ec->rx_max_coalesced_frames;
+ }
return 0;
}
--
2.19.1.6.gb485710b
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