netdev - [PATCH net-next] Add ethtool -g support to 8139cp

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Message-Id: <20111005180854.3D68129003A8@tardy>
Date:	Wed,  5 Oct 2011 11:08:54 -0700 (PDT)
From:	raj@...dy.cup.hp.com (Rick Jones)
To:	<netdev@...r.kernel.org>
Subject: [PATCH net-next] Add ethtool -g support to 8139cp

From: Rick Jones <rick.jones2@...com>

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

Signed-off-by: Rick Jones <rick.jones2@...com>

---

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index c77d5af..1dcfe57 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -1324,6 +1324,19 @@ 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_mini_max_pending = 0;
+	ring->rx_jumbo_max_pending = 0;
+	ring->rx_pending = CP_RX_RING_SIZE;
+	ring->tx_pending = CP_TX_RING_SIZE;
+	ring->rx_mini_pending = 0;
+	ring->rx_jumbo_pending = 0;
+}
+
 static int cp_get_regs_len(struct net_device *dev)
 {
 	return CP_REGS_SIZE;
@@ -1525,6 +1538,7 @@ 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)
--
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