From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Huazhong Tan <tanhuazhong@huawei.com>, davem@davemloft.net
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
Subject: Re: [PATCH V2 net-next 4/7] net: hns3: fix port setting handle for fibre port
Date: Wed, 11 Sep 2019 13:16:52 +0300 [thread overview]
Message-ID: <7f914173-a2fc-08d8-e2b1-48fa3da4e29c@cogentembedded.com> (raw)
In-Reply-To: <1568169639-43658-5-git-send-email-tanhuazhong@huawei.com>
Hello!
On 11.09.2019 5:40, Huazhong Tan wrote:
> From: Guangbin Huang <huangguangbin2@huawei.com>
>
> For hardware doesn't support use specified speed and duplex
Can't pasre that. "For hardware that does not support using", perhaps?
> to negotiate, it's unnecessary to check and modify the port
> speed and duplex for fibre port when autoneg is on.
>
> Fixes: 22f48e24a23d ("net: hns3: add autoneg and change speed support for fibre port")
> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
> ---
> drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> index f5a681d..680c350 100644
> --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
> @@ -726,6 +726,12 @@ static int hns3_check_ksettings_param(const struct net_device *netdev,
> u8 duplex;
> int ret;
>
> + /* hw doesn't support use specified speed and duplex to negotiate,
I can't parse that, did you mean "using"?
> + * unnecessary to check them when autoneg on.
> + */
> + if (cmd->base.autoneg)
> + return 0;
> +
> if (ops->get_ksettings_an_result) {
> ops->get_ksettings_an_result(handle, &autoneg, &speed, &duplex);
> if (cmd->base.autoneg == autoneg && cmd->base.speed == speed &&
> @@ -787,6 +793,15 @@ static int hns3_set_link_ksettings(struct net_device *netdev,
> return ret;
> }
>
> + /* hw doesn't support use specified speed and duplex to negotiate,
Here too...
> + * ignore them when autoneg on.
> + */
> + if (cmd->base.autoneg) {
> + netdev_info(netdev,
> + "autoneg is on, ignore the speed and duplex\n");
> + return 0;
> + }
> +
> if (ops->cfg_mac_speed_dup_h)
> ret = ops->cfg_mac_speed_dup_h(handle, cmd->base.speed,
> cmd->base.duplex);
MBR, Sergei
next prev parent reply other threads:[~2019-09-11 10:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 2:40 [PATCH V2 net-next 0/7] net: hns3: add a feature & bugfixes & cleanups Huazhong Tan
2019-09-11 2:40 ` [PATCH V2 net-next 1/7] net: hns3: add ethtool_ops.set_channels support for HNS3 VF driver Huazhong Tan
2019-09-12 6:23 ` Michal Kubecek
2019-09-12 8:20 ` tanhuazhong
2019-09-11 2:40 ` [PATCH V2 net-next 2/7] net: hns3: revert to old channel when setting new channel num fail Huazhong Tan
2019-09-11 2:40 ` [PATCH V2 net-next 3/7] net: hns3: fix shaper parameter algorithm Huazhong Tan
2019-09-11 2:40 ` [PATCH V2 net-next 4/7] net: hns3: fix port setting handle for fibre port Huazhong Tan
2019-09-11 10:16 ` Sergei Shtylyov [this message]
2019-09-12 0:56 ` tanhuazhong
2019-09-11 10:17 ` Sergei Shtylyov
2019-09-11 2:40 ` [PATCH V2 net-next 5/7] net: hns3: modify some logs format Huazhong Tan
2019-09-11 2:40 ` [PATCH V2 net-next 6/7] net: hns3: check NULL pointer before use Huazhong Tan
2019-09-11 2:40 ` [PATCH V2 net-next 7/7] net: hns3: add some DFX info for reset issue Huazhong Tan
2019-09-11 8:09 ` [PATCH V2 net-next 0/7] net: hns3: add a feature & bugfixes & cleanups David Miller
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