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Mon, 02 Dec 2024 23:31:03 -0800 (PST) X-Google-Smtp-Source: AGHT+IEeKLM2ys5e0Q3udqn6af/fNUMQYdUmFkZT/mCzd4RS2FR0h2mYZFsi+zEkr90jaY94M2UwGw== X-Received: by 2002:a17:903:32cc:b0:215:6e07:e0c9 with SMTP id d9443c01a7336-215bd25580bmr20893465ad.53.1733211063136; Mon, 02 Dec 2024 23:31:03 -0800 (PST) Received: from localhost.localdomain ([240f:74:7be:1:b2b6:e8c2:50d0:c558]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21586d40afasm35735165ad.270.2024.12.02.23.31.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Dec 2024 23:31:02 -0800 (PST) From: Koichiro Den To: virtualization@lists.linux.dev Cc: mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, jiri@resnulli.us, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH net-next v2 3/5] virtio_net: add missing netdev_tx_reset_queue() to virtnet_tx_resize() Date: Tue, 3 Dec 2024 16:30:23 +0900 Message-ID: <20241203073025.67065-4-koichiro.den@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241203073025.67065-1-koichiro.den@canonical.com> References: <20241203073025.67065-1-koichiro.den@canonical.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" virtnet_tx_resize() flushes remaining tx skbs, so DQL counters need to be reset. Fixes: c8bd1f7f3e61 ("virtio_net: add support for Byte Queue Limits") Cc: # v6.11+ Signed-off-by: Koichiro Den Acked-by: Jason Wang --- drivers/net/virtio_net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index df9bfe31aa6d..0103d7990e44 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3399,6 +3399,8 @@ static int virtnet_tx_resize(struct virtnet_info *vi,= struct send_queue *sq, err =3D virtqueue_resize(sq->vq, ring_num, virtnet_sq_free_unused_buf, &f= lushed); if (err) netdev_err(vi->dev, "resize tx fail: tx queue index: %d err: %d\n", qind= ex, err); + if (flushed) + netdev_tx_reset_queue(netdev_get_tx_queue(vi->dev, qindex)); =20 virtnet_tx_resume(vi, sq); =20 --=20 2.43.0