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From: David Miller <davem@davemloft.net>
To: tanhuazhong@huawei.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	salil.mehta@huawei.com, yisen.zhuang@huawei.com,
	linuxarm@huawei.com, jakub.kicinski@netronome.com,
	linyunsheng@huawei.com
Subject: Re: [PATCH net 1/3] net: hns3: fix for TX queue not restarted problem
Date: Mon, 02 Dec 2019 19:25:39 -0800 (PST)	[thread overview]
Message-ID: <20191202.192539.1290120247243731738.davem@davemloft.net> (raw)
In-Reply-To: <1575342535-2981-2-git-send-email-tanhuazhong@huawei.com>

From: Huazhong Tan <tanhuazhong@huawei.com>
Date: Tue, 3 Dec 2019 11:08:53 +0800

> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> index ba05368..b2bb8e2 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
> @@ -1286,13 +1286,16 @@ static bool hns3_skb_need_linearized(struct sk_buff *skb, unsigned int *bd_size,
>  	return false;
>  }
>  
> -static int hns3_nic_maybe_stop_tx(struct hns3_enet_ring *ring,
> +static int hns3_nic_maybe_stop_tx(struct net_device *netdev,
>  				  struct sk_buff **out_skb)
>  {
> +	struct hns3_nic_priv *priv = netdev_priv(netdev);
>  	unsigned int bd_size[HNS3_MAX_TSO_BD_NUM + 1U];
>  	struct sk_buff *skb = *out_skb;
> +	struct hns3_enet_ring *ring;
>  	unsigned int bd_num;
>  
> +	ring = &priv->ring[skb->queue_mapping];

Please just pass the ring pointer into hns3_nic_maybe_stop_tx() instead of
needlessly recalculating it.

Thank you.

  reply	other threads:[~2019-12-03  3:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03  3:08 [PATCH net 0/3] net: hns3: fixes for -net Huazhong Tan
2019-12-03  3:08 ` [PATCH net 1/3] net: hns3: fix for TX queue not restarted problem Huazhong Tan
2019-12-03  3:25   ` David Miller [this message]
2019-12-03  4:28     ` Yunsheng Lin
2019-12-03  8:48       ` David Miller
2019-12-04  1:32         ` Yunsheng Lin
2019-12-03  3:08 ` [PATCH net 2/3] net: hns3: fix a use after free problem in hns3_nic_maybe_stop_tx() Huazhong Tan
2019-12-03  3:28   ` David Miller
2019-12-03  4:22     ` Yunsheng Lin
2019-12-03 19:57       ` David Miller
2019-12-04  1:33         ` Yunsheng Lin
2019-12-03  3:08 ` [PATCH net 3/3] net: hns3: fix VF ID issue for setting VF VLAN Huazhong Tan

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