Commit a7ddfd5d authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

ethtool: rss: move the device op invocation out of rss_prepare_data()



Factor calling device ops out of rss_prepare_data().
Next patch will add alternative path using xarray.
No functional changes.

Reviewed-by: default avatarJoe Damato <jdamato@fastly.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec6e57be
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+27 −16
Original line number Diff line number Diff line
@@ -43,13 +43,9 @@ rss_parse_request(struct ethnl_req_info *req_info, struct nlattr **tb,
}

static int
rss_prepare_data(const struct ethnl_req_info *req_base,
		 struct ethnl_reply_data *reply_base,
		 const struct genl_info *info)
rss_prepare_get(const struct rss_req_info *request, struct net_device *dev,
		struct rss_reply_data *data, const struct genl_info *info)
{
	struct rss_reply_data *data = RSS_REPDATA(reply_base);
	struct rss_req_info *request = RSS_REQINFO(req_base);
	struct net_device *dev = reply_base->dev;
	struct ethtool_rxfh_param rxfh = {};
	const struct ethtool_ops *ops;
	u32 total_size, indir_bytes;
@@ -57,16 +53,6 @@ rss_prepare_data(const struct ethnl_req_info *req_base,
	int ret;

	ops = dev->ethtool_ops;
	if (!ops->get_rxfh)
		return -EOPNOTSUPP;

	/* Some drivers don't handle rss_context */
	if (request->rss_context) {
		if (!ops->cap_rss_ctx_supported && !ops->create_rxfh_context)
			return -EOPNOTSUPP;

		data->no_key_fields = !ops->rxfh_per_ctx_key;
	}

	ret = ethnl_ops_begin(dev);
	if (ret < 0)
@@ -109,6 +95,31 @@ rss_prepare_data(const struct ethnl_req_info *req_base,
	return ret;
}

static int
rss_prepare_data(const struct ethnl_req_info *req_base,
		 struct ethnl_reply_data *reply_base,
		 const struct genl_info *info)
{
	struct rss_reply_data *data = RSS_REPDATA(reply_base);
	struct rss_req_info *request = RSS_REQINFO(req_base);
	struct net_device *dev = reply_base->dev;
	const struct ethtool_ops *ops;

	ops = dev->ethtool_ops;
	if (!ops->get_rxfh)
		return -EOPNOTSUPP;

	/* Some drivers don't handle rss_context */
	if (request->rss_context) {
		if (!ops->cap_rss_ctx_supported && !ops->create_rxfh_context)
			return -EOPNOTSUPP;

		data->no_key_fields = !ops->rxfh_per_ctx_key;
	}

	return rss_prepare_get(request, dev, data, info);
}

static int
rss_reply_size(const struct ethnl_req_info *req_base,
	       const struct ethnl_reply_data *reply_base)