netdev - Re: [PATCH v1 iproute2-next 1/4] rdma: add helper rd_sendrecv

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Date:   Tue, 26 Feb 2019 12:55:43 -0700
From:   David Ahern <dsahern@...il.com>
To:     Steve Wise <swise@...ngridcomputing.com>,
        Leon Romanovsky <leon@...nel.org>
Cc:     stephen@...workplumber.org, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH v1 iproute2-next 1/4] rdma: add helper rd_sendrecv_msg()

On 2/26/19 10:19 AM, Steve Wise wrote:
> 
>> Will we need this recv_msg if we implement
>> extack support?
> 
> I'm not sure how extack works.  Do you know?

see devlink/mnlg.c

mnlg_socket_open()
{
	...
	mnl_socket_setsockopt(nlg->nl, NETLINK_EXT_ACK, &one, sizeof(one));
	...
}

and

mnlg_cb_error()

That code under devlink needs to be generic for both tools.