netdev - [PATCH v2 net-next 2/2] qed*: Add support for the ethtool get

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Date:   Wed, 7 Sep 2016 16:36:25 +0300
From:   Tomer Tayar <Tomer.Tayar@...gic.com>
To:     <davem@...emloft.net>, <netdev@...r.kernel.org>
CC:     <yuval.mintz@...gic.com>, Tomer Tayar <Tomer.Tayar@...gic.com>,
        Yuval Mintz <Yuval.Mintz@...gic.com>
Subject: [PATCH v2 net-next 2/2] qed*: Add support for the ethtool get_regs operation

Signed-off-by: Tomer Tayar <Tomer.Tayar@...gic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...gic.com>
---
 drivers/net/ethernet/qlogic/qed/qed_main.c      |  2 ++
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 24 ++++++++++++++++++++++++
 include/linux/qed/qed_if.h                      |  4 ++++
 3 files changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 250efd1..b730a63 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -1398,6 +1398,8 @@ const struct qed_common_ops qed_common_ops_pass = {
 	.get_link = &qed_get_current_link,
 	.drain = &qed_drain,
 	.update_msglvl = &qed_init_dp,
+	.dbg_all_data = &qed_dbg_all_data,
+	.dbg_all_data_size = &qed_dbg_all_data_size,
 	.chain_alloc = &qed_chain_alloc,
 	.chain_free = &qed_chain_free,
 	.get_coalesce = &qed_get_coalesce,
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 14d5328..25a9b29 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -695,6 +695,28 @@ static int qede_set_pauseparam(struct net_device *dev,
 	return 0;
 }
 
+static void qede_get_regs(struct net_device *ndev,
+			  struct ethtool_regs *regs, void *buffer)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+
+	regs->version = 0;
+	memset(buffer, 0, regs->len);
+
+	if (edev->ops && edev->ops->common)
+		edev->ops->common->dbg_all_data(edev->cdev, buffer);
+}
+
+static int qede_get_regs_len(struct net_device *ndev)
+{
+	struct qede_dev *edev = netdev_priv(ndev);
+
+	if (edev->ops && edev->ops->common)
+		return edev->ops->common->dbg_all_data_size(edev->cdev);
+	else
+		return -EINVAL;
+}
+
 static void qede_update_mtu(struct qede_dev *edev, union qede_reload_args *args)
 {
 	edev->ndev->mtu = args->mtu;
@@ -1395,6 +1417,8 @@ static const struct ethtool_ops qede_ethtool_ops = {
 	.get_link_ksettings = qede_get_link_ksettings,
 	.set_link_ksettings = qede_set_link_ksettings,
 	.get_drvinfo = qede_get_drvinfo,
+	.get_regs_len = qede_get_regs_len,
+	.get_regs = qede_get_regs,
 	.get_msglevel = qede_get_msglevel,
 	.set_msglevel = qede_set_msglevel,
 	.nway_reset = qede_nway_reset,
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index d8dc5c2..e4546ab 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -455,6 +455,10 @@ struct qed_common_ops {
 	void		(*simd_handler_clean)(struct qed_dev *cdev,
 					      int index);
 
+	int (*dbg_all_data) (struct qed_dev *cdev, void *buffer);
+
+	int (*dbg_all_data_size) (struct qed_dev *cdev);
+
 /**
  * @brief can_link_change - can the instance change the link or not
  *
-- 
1.8.3.1