netdev - Re: [PATCHv3 3/8] RDMA/nldev: Add dellink function pointer

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Date:   Thu, 23 Feb 2023 21:11:45 +0800
From:   Zhu Yanjun <yanjun.zhu@...ux.dev>
To:     Zhu Yanjun <yanjun.zhu@...el.com>, jgg@...pe.ca, leon@...nel.org,
        zyjzyj2000@...il.com, linux-rdma@...r.kernel.org, parav@...dia.com,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Cc:     Zhu Yanjun <yanjun.zhu@...ux.dev>
Subject: Re: [PATCHv3 3/8] RDMA/nldev: Add dellink function pointer

在 2023/2/14 14:06, Zhu Yanjun 写道:
> From: Zhu Yanjun <yanjun.zhu@...ux.dev>
> 
> The newlink function pointer is added. And the sock listening on port 4791
> is added in the newlink function. So the dellink function is needed to
> remove the sock.
> 
> Signed-off-by: Zhu Yanjun <yanjun.zhu@...ux.dev>

Add netdev@...r.kernel.org.

Zhu Yanjun

> ---
>   drivers/infiniband/core/nldev.c | 6 ++++++
>   include/rdma/rdma_netlink.h     | 2 ++
>   2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
> index d5d3e4f0de77..97a62685ed5b 100644
> --- a/drivers/infiniband/core/nldev.c
> +++ b/drivers/infiniband/core/nldev.c
> @@ -1758,6 +1758,12 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
>   		return -EINVAL;
>   	}
>   
> +	if (device->link_ops) {
> +		err = device->link_ops->dellink(device);
> +		if (err)
> +			return err;
> +	}
> +
>   	ib_unregister_device_and_put(device);
>   	return 0;
>   }
> diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h
> index c2a79aeee113..bf9df004061f 100644
> --- a/include/rdma/rdma_netlink.h
> +++ b/include/rdma/rdma_netlink.h
> @@ -5,6 +5,7 @@
>   
>   #include <linux/netlink.h>
>   #include <uapi/rdma/rdma_netlink.h>
> +#include <rdma/ib_verbs.h>
>   
>   enum {
>   	RDMA_NLDEV_ATTR_EMPTY_STRING = 1,
> @@ -114,6 +115,7 @@ struct rdma_link_ops {
>   	struct list_head list;
>   	const char *type;
>   	int (*newlink)(const char *ibdev_name, struct net_device *ndev);
> +	int (*dellink)(struct ib_device *dev);
>   };
>   
>   void rdma_link_register(struct rdma_link_ops *ops);