1 files changed, 24 insertions, 5 deletions

diff --git a/net/ethtool/coalesce.c b/net/ethtool/coalesce.c
index 1d6bc132aa4d..46776ea42a92 100644
--- a/net/ethtool/coalesce.c
+++ b/net/ethtool/coalesce.c
@@ -10,6 +10,7 @@ struct coalesce_req_info {
 struct coalesce_reply_data {
 	struct ethnl_reply_data		base;
 	struct ethtool_coalesce		coalesce;
+	struct kernel_ethtool_coalesce	kernel_coalesce;
 	u32				supported_params;
 };
 
@@ -61,6 +62,7 @@ static int coalesce_prepare_data(const struct ethnl_req_info *req_base,
 				 struct genl_info *info)
 {
 	struct coalesce_reply_data *data = COALESCE_REPDATA(reply_base);
+	struct netlink_ext_ack *extack = info ? info->extack : NULL;
 	struct net_device *dev = reply_base->dev;
 	int ret;
 
@@ -70,7 +72,8 @@ static int coalesce_prepare_data(const struct ethnl_req_info *req_base,
 	ret = ethnl_ops_begin(dev);
 	if (ret < 0)
 		return ret;
-	ret = dev->ethtool_ops->get_coalesce(dev, &data->coalesce);
+	ret = dev->ethtool_ops->get_coalesce(dev, &data->coalesce,
+					     &data->kernel_coalesce, extack);
 	ethnl_ops_complete(dev);
 
 	return ret;
@@ -100,7 +103,9 @@ static int coalesce_reply_size(const struct ethnl_req_info *req_base,
 	       nla_total_size(sizeof(u32)) +	/* _RX_MAX_FRAMES_HIGH */
 	       nla_total_size(sizeof(u32)) +	/* _TX_USECS_HIGH */
 	       nla_total_size(sizeof(u32)) +	/* _TX_MAX_FRAMES_HIGH */
-	       nla_total_size(sizeof(u32));	/* _RATE_SAMPLE_INTERVAL */
+	       nla_total_size(sizeof(u32)) +	/* _RATE_SAMPLE_INTERVAL */
+	       nla_total_size(sizeof(u8)) +	/* _USE_CQE_MODE_TX */
+	       nla_total_size(sizeof(u8));	/* _USE_CQE_MODE_RX */
 }
 
 static bool coalesce_put_u32(struct sk_buff *skb, u16 attr_type, u32 val,
@@ -124,6 +129,7 @@ static int coalesce_fill_reply(struct sk_buff *skb,
 			       const struct ethnl_reply_data *reply_base)
 {
 	const struct coalesce_reply_data *data = COALESCE_REPDATA(reply_base);
+	const struct kernel_ethtool_coalesce *kcoal = &data->kernel_coalesce;
 	const struct ethtool_coalesce *coal = &data->coalesce;
 	u32 supported = data->supported_params;
 
@@ -170,7 +176,11 @@ static int coalesce_fill_reply(struct sk_buff *skb,
 	    coalesce_put_u32(skb, ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH,
 			     coal->tx_max_coalesced_frames_high, supported) ||
 	    coalesce_put_u32(skb, ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL,
-			     coal->rate_sample_interval, supported))
+			     coal->rate_sample_interval, supported) ||
+	    coalesce_put_bool(skb, ETHTOOL_A_COALESCE_USE_CQE_MODE_TX,
+			      kcoal->use_cqe_mode_tx, supported) ||
+	    coalesce_put_bool(skb, ETHTOOL_A_COALESCE_USE_CQE_MODE_RX,
+			      kcoal->use_cqe_mode_rx, supported))
 		return -EMSGSIZE;
 
 	return 0;
@@ -215,10 +225,13 @@ const struct nla_policy ethnl_coalesce_set_policy[] = {
 	[ETHTOOL_A_COALESCE_TX_USECS_HIGH]	= { .type = NLA_U32 },
 	[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH]	= { .type = NLA_U32 },
 	[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL] = { .type = NLA_U32 },
+	[ETHTOOL_A_COALESCE_USE_CQE_MODE_TX]	= NLA_POLICY_MAX(NLA_U8, 1),
+	[ETHTOOL_A_COALESCE_USE_CQE_MODE_RX]	= NLA_POLICY_MAX(NLA_U8, 1),
 };
 
 int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
 {
+	struct kernel_ethtool_coalesce kernel_coalesce = {};
 	struct ethtool_coalesce coalesce = {};
 	struct ethnl_req_info req_info = {};
 	struct nlattr **tb = info->attrs;
@@ -255,7 +268,8 @@ int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
 	ret = ethnl_ops_begin(dev);
 	if (ret < 0)
 		goto out_rtnl;
-	ret = ops->get_coalesce(dev, &coalesce);
+	ret = ops->get_coalesce(dev, &coalesce, &kernel_coalesce,
+				info->extack);
 	if (ret < 0)
 		goto out_ops;
 
@@ -303,11 +317,16 @@ int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info)
 			 tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH], &mod);
 	ethnl_update_u32(&coalesce.rate_sample_interval,
 			 tb[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL], &mod);
+	ethnl_update_u8(&kernel_coalesce.use_cqe_mode_tx,
+			tb[ETHTOOL_A_COALESCE_USE_CQE_MODE_TX], &mod);
+	ethnl_update_u8(&kernel_coalesce.use_cqe_mode_rx,
+			tb[ETHTOOL_A_COALESCE_USE_CQE_MODE_RX], &mod);
 	ret = 0;
 	if (!mod)
 		goto out_ops;
 
-	ret = dev->ethtool_ops->set_coalesce(dev, &coalesce);
+	ret = dev->ethtool_ops->set_coalesce(dev, &coalesce, &kernel_coalesce,
+					     info->extack);
 	if (ret < 0)
 		goto out_ops;
 	ethtool_notify(dev, ETHTOOL_MSG_COALESCE_NTF, NULL);