netdev - [PATCH 04/13] qla3xxx: Add ethtool functionality to report pause parameters

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Message-Id: <11725168033409-git-send-email-ron.mercer@qlogic.com>
Date:	Mon, 26 Feb 2007 11:06:34 -0800
From:	Ron Mercer <ron.mercer@...gic.com>
To:	jeff@...zik.org
Cc:	ron.mercer@...gic.com, romieu@...zoreil.com,
	benjamin.li@...gic.com, netdev@...r.kernel.org
Subject: [PATCH 04/13] qla3xxx: Add ethtool functionality to report pause parameters

From: Benjamin Li <benjamin.li@...gic.com>

We have added the ability to query the receive and transmit PAUSE flow
control frames parameters, in addition to the auto-negotiated status
using ethtool.

Signed-off-by: Benjamin Li <benjamin.li@...gic.com>
Signed-off-by: Ron Mercer <ron.mercer@...gic.com>
---
 drivers/net/qla3xxx.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 5acae02..b853669 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -1604,6 +1604,23 @@ static void ql_set_msglevel(struct net_device *ndev, u32 value)
 	qdev->msg_enable = value;
 }
 
+static void ql_get_pauseparam(struct net_device *ndev,
+			      struct ethtool_pauseparam *pause)
+{
+	struct ql3_adapter *qdev = netdev_priv(ndev);
+	struct ql3xxx_port_registers __iomem *port_regs = qdev->mem_map_registers;
+
+	u32 reg;
+	if(qdev->mac_index == 0)
+		reg = ql_read_page0_reg(qdev, &port_regs->mac0ConfigReg);
+	else
+		reg = ql_read_page0_reg(qdev, &port_regs->mac1ConfigReg);
+
+	pause->autoneg  = ql_get_auto_cfg_status(qdev);
+	pause->rx_pause = (reg & MAC_CONFIG_REG_RF) >> 2;
+	pause->tx_pause = (reg & MAC_CONFIG_REG_TF) >> 1;
+}
+
 static const struct ethtool_ops ql3xxx_ethtool_ops = {
 	.get_settings = ql_get_settings,
 	.get_drvinfo = ql_get_drvinfo,
@@ -1611,6 +1628,7 @@ static const struct ethtool_ops ql3xxx_ethtool_ops = {
 	.get_link = ethtool_op_get_link,
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
+	.get_pauseparam = ql_get_pauseparam,
 };
 
 static int ql_populate_free_queue(struct ql3_adapter *qdev)
-- 
1.5.0.rc4.16.g9e258

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