Subject: Re: [PATCH rdma-next v2 13/13] RDMA/nldev: Add support to get status of all counters

From: Jason Gunthorpe <[email-masked]>
Date: Mon, 4 Oct 2021 15:07:14 -0300

On Thu, Sep 30, 2021 at 11:02:29AM +0300, Leon Romanovsky wrote:
> +static int stat_get_doit_default_counter(struct sk_buff *skb,
> +					 struct nlmsghdr *nlh,
> +					 struct netlink_ext_ack *extack,
> +					 struct nlattr *tb[])
> +{
> +	struct rdma_hw_stats *stats;
> +	struct ib_device *device;
> +	u32 index, port;
> +	int ret;
> +
> +	if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_PORT_INDEX])
> +		return -EINVAL;
> +
> +	index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
> +	device = ib_device_get_by_index(sock_net(skb->sk), index);
> +	if (!device)
> +		return -EINVAL;
> +
> +	port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
> +	if (!rdma_is_port_valid(device, port)) {
> +		ret = -EINVAL;
> +		goto end;
> +	}
> +
> +	stats = ib_get_hw_stats_port(device, port);
> +	if (!stats) {
> +		ret = -EINVAL;
> +		goto end;
> +	}
> +
> +	if (tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC])
> +		ret = stat_get_doit_stats_list(skb, nlh, extack, tb,
> +					       device, port, stats);
> +	else
> +		ret = stat_get_doit_stats_values(skb, nlh, extack, tb, device,
> +						 port, stats);

And this is still here - 'gets' do not act differently depending on
inputs..

Jason