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From: subashab@codeaurora.org
To: Taehee Yoo <ap420073@gmail.com>
Cc: davem@davemloft.net, kuba@kernel.org, stranche@codeaurora.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH net-next] net: rmnet: set NETIF_F_LLTX flag
Date: Sun, 08 Mar 2020 18:28:11 -0600	[thread overview]
Message-ID: <c3ae604f1bd130b3c753578aa89087cb@codeaurora.org> (raw)
In-Reply-To: <20200308134706.18727-1-ap420073@gmail.com>

On 2020-03-08 07:47, Taehee Yoo wrote:
> The rmnet_vnd_setup(), which is the callback of ->ndo_start_xmit() is
> allowed to call concurrently because it uses RCU protected data.
> So, it doesn't need tx lock.
> 
> Signed-off-by: Taehee Yoo <ap420073@gmail.com>
> ---
>  drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
> b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
> index d7c52e398e4a..d58b51d277f1 100644
> --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
> +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
> @@ -212,6 +212,8 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev)
>  	rmnet_dev->needs_free_netdev = true;
>  	rmnet_dev->ethtool_ops = &rmnet_ethtool_ops;
> 
> +	rmnet_dev->features |= NETIF_F_LLTX;
> +
>  	/* This perm addr will be used as interface identifier by IPv6 */
>  	rmnet_dev->addr_assign_type = NET_ADDR_RANDOM;
>  	eth_random_addr(rmnet_dev->perm_addr);

Hi Taehee

It seems the flag is deprecated per documentation.

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/tree/Documentation/networking/netdevices.txt#n73

  reply	other threads:[~2020-03-09  0:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-08 13:47 [PATCH net-next] net: rmnet: set NETIF_F_LLTX flag Taehee Yoo
2020-03-09  0:28 ` subashab [this message]
2020-03-09  0:54   ` Eric Dumazet
2020-03-09  4:39 ` David Miller

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