Add ethtool -g support to 8139cp

Add support for reporting ring sizes via ethtool -g to the 8139cp driver.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index c77d5af676a1..5dcd5be03f31 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -1324,6 +1324,15 @@ static void cp_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info
         strcpy (info->bus_info, pci_name(cp->pdev));
 }
 
+static void cp_get_ringparam(struct net_device *dev,
+                                struct ethtool_ringparam *ring)
+{
+        ring->rx_max_pending = CP_RX_RING_SIZE;
+        ring->tx_max_pending = CP_TX_RING_SIZE;
+        ring->rx_pending = CP_RX_RING_SIZE;
+        ring->tx_pending = CP_TX_RING_SIZE;
+}
+
 static int cp_get_regs_len(struct net_device *dev)
 {
         return CP_REGS_SIZE;
@@ -1525,6 +1534,7 @@ static const struct ethtool_ops cp_ethtool_ops = {
         .get_eeprom_len         = cp_get_eeprom_len,
         .get_eeprom             = cp_get_eeprom,
         .set_eeprom             = cp_set_eeprom,
+        .get_ringparam          = cp_get_ringparam,
 };
 
 static int cp_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)