ethtool: extend coalesce setting uAPI with CQE mode

In order to support more coalesce parameters through netlink,
add two new parameter kernel_coal and extack for .set_coalesce
and .get_coalesce, then some extra info can return to user with
the netlink API.

Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

85 files changed, 576 insertions, 202 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 823f6831e7ea..a09ca21f7dff 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -72,7 +72,9 @@ static void ipoib_get_drvinfo(struct net_device *netdev,
 }
 
 static int ipoib_get_coalesce(struct net_device *dev,
-			      struct ethtool_coalesce *coal)
+			      struct ethtool_coalesce *coal,
+			      struct kernel_ethtool_coalesce *kernel_coal,
+			      struct netlink_ext_ack *extack)
 {
 	struct ipoib_dev_priv *priv = ipoib_priv(dev);
 
@@ -83,7 +85,9 @@ static int ipoib_get_coalesce(struct net_device *dev,
 }
 
 static int ipoib_set_coalesce(struct net_device *dev,
-			      struct ethtool_coalesce *coal)
+			      struct ethtool_coalesce *coal,
+			      struct kernel_ethtool_coalesce *kernel_coal,
+			      struct netlink_ext_ack *extack)
 {
 	struct ipoib_dev_priv *priv = ipoib_priv(dev);
 	int ret;
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index 27dae632efcb..13e745cf3781 100644
--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -357,7 +357,9 @@ static int ena_get_link_ksettings(struct net_device *netdev,
 }
 
 static int ena_get_coalesce(struct net_device *net_dev,
-			    struct ethtool_coalesce *coalesce)
+			    struct ethtool_coalesce *coalesce,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
 {
 	struct ena_adapter *adapter = netdev_priv(net_dev);
 	struct ena_com_dev *ena_dev = adapter->ena_dev;
@@ -402,7 +404,9 @@ static void ena_update_rx_rings_nonadaptive_intr_moderation(struct ena_adapter *
 }
 
 static int ena_set_coalesce(struct net_device *net_dev,
-			    struct ethtool_coalesce *coalesce)
+			    struct ethtool_coalesce *coalesce,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
 {
 	struct ena_adapter *adapter = netdev_priv(net_dev);
 	struct ena_com_dev *ena_dev = adapter->ena_dev;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
index 61f39a0e04f9..bafc51c34e0b 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
@@ -428,7 +428,9 @@ static void xgbe_set_msglevel(struct net_device *netdev, u32 msglevel)
 }
 
 static int xgbe_get_coalesce(struct net_device *netdev,
-			     struct ethtool_coalesce *ec)
+			     struct ethtool_coalesce *ec,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 
@@ -443,7 +445,9 @@ static int xgbe_get_coalesce(struct net_device *netdev,
 }
 
 static int xgbe_set_coalesce(struct net_device *netdev,
-			     struct ethtool_coalesce *ec)
+			     struct ethtool_coalesce *ec,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct xgbe_prv_data *pdata = netdev_priv(netdev);
 	struct xgbe_hw_if *hw_if = &pdata->hw_if;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index de2a9348bc3f..a9ef0544e30f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -547,7 +547,9 @@ static int aq_ethtool_set_rxnfc(struct net_device *ndev,
 }
 
 static int aq_ethtool_get_coalesce(struct net_device *ndev,
-				   struct ethtool_coalesce *coal)
+				   struct ethtool_coalesce *coal,
+				   struct kernel_ethtool_coalesce *kernel_coal,
+				   struct netlink_ext_ack *extack)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 	struct aq_nic_cfg_s *cfg;
@@ -571,7 +573,9 @@ static int aq_ethtool_get_coalesce(struct net_device *ndev,
 }
 
 static int aq_ethtool_set_coalesce(struct net_device *ndev,
-				   struct ethtool_coalesce *coal)
+				   struct ethtool_coalesce *coal,
+				   struct kernel_ethtool_coalesce *kernel_coal,
+				   struct netlink_ext_ack *extack)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 	struct aq_nic_cfg_s *cfg;
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index d9f0f0df8f7b..7fa1b695400d 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -607,7 +607,9 @@ static void bcm_sysport_set_tx_coalesce(struct bcm_sysport_tx_ring *ring,
 }
 
 static int bcm_sysport_get_coalesce(struct net_device *dev,
-				    struct ethtool_coalesce *ec)
+				    struct ethtool_coalesce *ec,
+				    struct kernel_ethtool_coalesce *kernel_coal,
+				    struct netlink_ext_ack *extack)
 {
 	struct bcm_sysport_priv *priv = netdev_priv(dev);
 	u32 reg;
@@ -627,7 +629,9 @@ static int bcm_sysport_get_coalesce(struct net_device *dev,
 }
 
 static int bcm_sysport_set_coalesce(struct net_device *dev,
-				    struct ethtool_coalesce *ec)
+				    struct ethtool_coalesce *ec,
+				    struct kernel_ethtool_coalesce *kernel_coal,
+				    struct netlink_ext_ack *extack)
 {
 	struct bcm_sysport_priv *priv = netdev_priv(dev);
 	struct dim_cq_moder moder;
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index dc3ee576360b..a705e2615307 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -7242,8 +7242,10 @@ bnx2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 	return rc;
 }
 
-static int
-bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
+static int bnx2_get_coalesce(struct net_device *dev,
+			     struct ethtool_coalesce *coal,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct bnx2 *bp = netdev_priv(dev);
 
@@ -7264,8 +7266,10 @@ bnx2_get_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
 	return 0;
 }
 
-static int
-bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
+static int bnx2_set_coalesce(struct net_device *dev,
+			     struct ethtool_coalesce *coal,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct bnx2 *bp = netdev_priv(dev);
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index 32245bbe88a8..472a3a478038 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -1878,7 +1878,9 @@ static int bnx2x_set_eeprom(struct net_device *dev,
 }
 
 static int bnx2x_get_coalesce(struct net_device *dev,
-			      struct ethtool_coalesce *coal)
+			      struct ethtool_coalesce *coal,
+			      struct kernel_ethtool_coalesce *kernel_coal,
+			      struct netlink_ext_ack *extack)
 {
 	struct bnx2x *bp = netdev_priv(dev);
 
@@ -1891,7 +1893,9 @@ static int bnx2x_get_coalesce(struct net_device *dev,
 }
 
 static int bnx2x_set_coalesce(struct net_device *dev,
-			      struct ethtool_coalesce *coal)
+			      struct ethtool_coalesce *coal,
+			      struct kernel_ethtool_coalesce *kernel_coal,
+			      struct netlink_ext_ack *extack)
 {
 	struct bnx2x *bp = netdev_priv(dev);
 
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 364460ef8db7..9f8c72d95228 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -49,7 +49,9 @@ static void bnxt_set_msglevel(struct net_device *dev, u32 value)
 }
 
 static int bnxt_get_coalesce(struct net_device *dev,
-			     struct ethtool_coalesce *coal)
+			     struct ethtool_coalesce *coal,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct bnxt *bp = netdev_priv(dev);
 	struct bnxt_coal *hw_coal;
@@ -79,7 +81,9 @@ static int bnxt_get_coalesce(struct net_device *dev,
 }
 
 static int bnxt_set_coalesce(struct net_device *dev,
-			     struct ethtool_coalesce *coal)
+			     struct ethtool_coalesce *coal,
+			     struct kernel_ethtool_coalesce *kernel_coal,
+			     struct netlink_ext_ack *extack)
 {
 	struct bnxt *bp = netdev_priv(dev);
 	bool update_stats = false;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 8507198992df..23c7595d2a1d 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -828,7 +828,9 @@ static void bcmgenet_set_msglevel(struct net_device *dev, u32 level)
 }
 
 static int bcmgenet_get_coalesce(struct net_device *dev,
-				 struct ethtool_coalesce *ec)
+				 struct ethtool_coalesce *ec,
+				 struct kernel_ethtool_coalesce *kernel_coal,
+				 struct netlink_ext_ack *extack)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
 	struct bcmgenet_rx_ring *ring;
@@ -890,7 +892,9 @@ static void bcmgenet_set_ring_rx_coalesce(struct bcmgenet_rx_ring *ring,
 }
 
 static int bcmgenet_set_coalesce(struct net_device *dev,
-				 struct ethtool_coalesce *ec)
+				 struct ethtool_coalesce *ec,
+				 struct kernel_ethtool_coalesce *kernel_coal,
+				 struct netlink_ext_ack *extack)
 {
 	struct bcmgenet_priv *priv = netdev_priv(dev);
 	unsigned int i;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index eefb070a68d2..8a238e349e02 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -14037,7 +14037,10 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return -EOPNOTSUPP;
 }
 
-static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
+static int tg3_get_coalesce(struct net_device *dev,
+			    struct ethtool_coalesce *ec,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
 {
 	struct tg3 *tp = netdev_priv(dev);
 
@@ -14045,7 +14048,10 @@ static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
 	return 0;
 }
 
-static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
+static int tg3_set_coalesce(struct net_device *dev,
+			    struct ethtool_coalesce *ec,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
 {
 	struct tg3 *tp = netdev_priv(dev);
 	u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 265c2fa6bbe0..391b85f25141 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/