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Message-Id: <406dc0761862c004e6267e0df7e4bc9d60006190.1515682838.git.igor.russkikh@aquantia.com>
Date: Fri, 12 Jan 2018 13:36:58 +0300
From: Igor Russkikh <igor.russkikh@...antia.com>
To: "David S . Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, David Arcari <darcari@...hat.com>,
Pavel Belous <pavel.belous@...antia.com>,
Igor Russkikh <igor.russkikh@...antia.com>
Subject: [PATCH net-next 07/22] net: aquantia: Simplify dependencies between pci modules
Eliminate useless passing of net_device_ops and ethtools_ops through
deep chain of calls.
Move all pci related code into aq_pci_func module.
Signed-off-by: Igor Russkikh <igor.russkikh@...antia.com>
---
drivers/net/ethernet/aquantia/atlantic/aq_main.c | 97 ++++-----------------
drivers/net/ethernet/aquantia/atlantic/aq_main.h | 2 +
drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 15 +---
drivers/net/ethernet/aquantia/atlantic/aq_nic.h | 4 +-
.../net/ethernet/aquantia/atlantic/aq_pci_func.c | 98 ++++++++++++++++++++--
.../net/ethernet/aquantia/atlantic/aq_pci_func.h | 4 +-
6 files changed, 114 insertions(+), 106 deletions(-)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index d3b742a..c2c1eb5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -11,39 +11,35 @@
#include "aq_main.h"
#include "aq_nic.h"
+#include "aq_nic_internal.h"
#include "aq_pci_func.h"
#include "aq_ethtool.h"
-#include "hw_atl/hw_atl_a0.h"
-#include "hw_atl/hw_atl_b0.h"
#include <linux/netdevice.h>
#include <linux/module.h>
-static const struct pci_device_id aq_pci_tbl[] = {
- { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_0001), },
- { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D100), },
- { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D107), },
- { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D108), },
- { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D109), },
- {}
-};
-
-MODULE_DEVICE_TABLE(pci, aq_pci_tbl);
-
MODULE_LICENSE("GPL v2");
MODULE_VERSION(AQ_CFG_DRV_VERSION);
MODULE_AUTHOR(AQ_CFG_DRV_AUTHOR);
MODULE_DESCRIPTION(AQ_CFG_DRV_DESC);
-static const struct aq_hw_ops *aq_pci_probe_get_hw_ops_by_id(struct pci_dev *pdev)
+static const struct net_device_ops aq_ndev_ops;
+
+struct net_device *aq_ndev_alloc(void)
{
- const struct aq_hw_ops *ops = NULL;
+ struct net_device *ndev = NULL;
+ struct aq_nic_s *aq_nic = NULL;
- ops = hw_atl_a0_get_ops_by_id(pdev);
- if (!ops)
- ops = hw_atl_b0_get_ops_by_id(pdev);
+ ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
+ if (!ndev)
+ return NULL;
- return ops;
+ aq_nic = netdev_priv(ndev);
+ aq_nic->ndev = ndev;
+ ndev->netdev_ops = &aq_ndev_ops;
+ ndev->ethtool_ops = &aq_ethtool_ops;
+
+ return ndev;
}
static int aq_ndev_open(struct net_device *ndev)
@@ -170,66 +166,3 @@ static const struct net_device_ops aq_ndev_ops = {
.ndo_set_mac_address = aq_ndev_set_mac_address,
.ndo_set_features = aq_ndev_set_features
};
-
-static int aq_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *pci_id)
-{
- const struct aq_hw_ops *aq_hw_ops = NULL;
- struct aq_pci_func_s *aq_pci_func = NULL;
- int err = 0;
-
- err = pci_enable_device(pdev);
- if (err < 0)
- goto err_exit;
- aq_hw_ops = aq_pci_probe_get_hw_ops_by_id(pdev);
- aq_pci_func = aq_pci_func_alloc(aq_hw_ops, pdev,
- &aq_ndev_ops, &aq_ethtool_ops);
- if (!aq_pci_func) {
- err = -ENOMEM;
- goto err_exit;
- }
- err = aq_pci_func_init(aq_pci_func);
- if (err < 0)
- goto err_exit;
-
-err_exit:
- if (err < 0) {
- if (aq_pci_func)
- aq_pci_func_free(aq_pci_func);
- }
- return err;
-}
-
-static void aq_pci_remove(struct pci_dev *pdev)
-{
- struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
-
- aq_pci_func_deinit(aq_pci_func);
- aq_pci_func_free(aq_pci_func);
-}
-
-static int aq_pci_suspend(struct pci_dev *pdev, pm_message_t pm_msg)
-{
- struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
-
- return aq_pci_func_change_pm_state(aq_pci_func, &pm_msg);
-}
-
-static int aq_pci_resume(struct pci_dev *pdev)
-{
- struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
- pm_message_t pm_msg = PMSG_RESTORE;
-
- return aq_pci_func_change_pm_state(aq_pci_func, &pm_msg);
-}
-
-static struct pci_driver aq_pci_ops = {
- .name = AQ_CFG_DRV_NAME,
- .id_table = aq_pci_tbl,
- .probe = aq_pci_probe,
- .remove = aq_pci_remove,
- .suspend = aq_pci_suspend,
- .resume = aq_pci_resume,
-};
-
-module_pci_driver(aq_pci_ops);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.h b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
index 9748e7e..ce92152 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
@@ -14,4 +14,6 @@
#include "aq_common.h"
+struct net_device *aq_ndev_alloc(void);
+
#endif /* AQ_MAIN_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 4d1559a..f29e309 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -15,6 +15,7 @@
#include "aq_hw.h"
#include "aq_pci_func.h"
#include "aq_nic_internal.h"
+#include "aq_main.h"
#include <linux/moduleparam.h>
#include <linux/netdevice.h>
@@ -205,14 +206,7 @@ static void aq_nic_polling_timer_cb(struct timer_list *t)
AQ_CFG_POLLING_TIMER_INTERVAL);
}
-static struct net_device *aq_nic_ndev_alloc(void)
-{
- return alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
-}
-
-struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
- const struct ethtool_ops *et_ops,
- struct pci_dev *pdev,
+struct aq_nic_s *aq_nic_alloc_cold(struct pci_dev *pdev,
struct aq_pci_func_s *aq_pci_func,
unsigned int port,
const struct aq_hw_ops *aq_hw_ops)
@@ -221,7 +215,7 @@ struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
struct aq_nic_s *self = NULL;
int err = 0;
- ndev = aq_nic_ndev_alloc();
+ ndev = aq_ndev_alloc();
if (!ndev) {
err = -ENOMEM;
goto err_exit;
@@ -229,9 +223,6 @@ struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
self = netdev_priv(ndev);
- ndev->netdev_ops = ndev_ops;
- ndev->ethtool_ops = et_ops;
-
SET_NETDEV_DEV(ndev, &pdev->dev);
ndev->if_port = port;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index 56a70e5..4860de1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -57,9 +57,7 @@ struct aq_nic_cfg_s {
#define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
-struct aq_nic_s *aq_nic_alloc_cold(const struct net_device_ops *ndev_ops,
- const struct ethtool_ops *et_ops,
- struct pci_dev *pdev,
+struct aq_nic_s *aq_nic_alloc_cold(struct pci_dev *pdev,
struct aq_pci_func_s *aq_pci_func,
unsigned int port,
const struct aq_hw_ops *aq_hw_ops);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index bc85809..5ec4dca 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -9,11 +9,15 @@
/* File aq_pci_func.c: Definition of PCI functions. */
+#include <linux/interrupt.h>
+#include <linux/module.h>
+
#include "aq_pci_func.h"
#include "aq_nic.h"
#include "aq_vec.h"
#include "aq_hw.h"
-#include <linux/interrupt.h>
+#include "hw_atl/hw_atl_a0.h"
+#include "hw_atl/hw_atl_b0.h"
struct aq_pci_func_s {
struct pci_dev *pdev;
@@ -29,10 +33,31 @@ struct aq_pci_func_s {
struct aq_hw_caps_s aq_hw_caps;
};
+static const struct pci_device_id aq_pci_tbl[] = {
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_0001), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D100), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D107), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D108), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_D109), },
+
+ {}
+};
+
+MODULE_DEVICE_TABLE(pci, aq_pci_tbl);
+
+static const struct aq_hw_ops *aq_pci_probe_get_hw_ops_by_id(struct pci_dev *pdev)
+{
+ const struct aq_hw_ops *ops = NULL;
+
+ ops = hw_atl_a0_get_ops_by_id(pdev);
+ if (!ops)
+ ops = hw_atl_b0_get_ops_by_id(pdev);
+
+ return ops;
+}
+
struct aq_pci_func_s *aq_pci_func_alloc(const struct aq_hw_ops *aq_hw_ops,
- struct pci_dev *pdev,
- const struct net_device_ops *ndev_ops,
- const struct ethtool_ops *eth_ops)
+ struct pci_dev *pdev)
{
struct aq_pci_func_s *self = NULL;
int err = 0;
@@ -59,8 +84,7 @@ struct aq_pci_func_s *aq_pci_func_alloc(const struct aq_hw_ops *aq_hw_ops,
self->ports = self->aq_hw_caps.ports;
for (port = 0; port < self->ports; ++port) {
- struct aq_nic_s *aq_nic = aq_nic_alloc_cold(ndev_ops, eth_ops,
- pdev, self,
+ struct aq_nic_s *aq_nic = aq_nic_alloc_cold(pdev, self,
port, aq_hw_ops);
if (!aq_nic) {
@@ -297,3 +321,65 @@ int aq_pci_func_change_pm_state(struct aq_pci_func_s *self,
err_exit:
return err;
}
+
+static int aq_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *pci_id)
+{
+ const struct aq_hw_ops *aq_hw_ops = NULL;
+ struct aq_pci_func_s *aq_pci_func = NULL;
+ int err = 0;
+
+ err = pci_enable_device(pdev);
+ if (err < 0)
+ goto err_exit;
+ aq_hw_ops = aq_pci_probe_get_hw_ops_by_id(pdev);
+ aq_pci_func = aq_pci_func_alloc(aq_hw_ops, pdev);
+ if (!aq_pci_func) {
+ err = -ENOMEM;
+ goto err_exit;
+ }
+ err = aq_pci_func_init(aq_pci_func);
+ if (err < 0)
+ goto err_exit;
+
+err_exit:
+ if (err < 0) {
+ if (aq_pci_func)
+ aq_pci_func_free(aq_pci_func);
+ }
+ return err;
+}
+
+static void aq_pci_remove(struct pci_dev *pdev)
+{
+ struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
+
+ aq_pci_func_deinit(aq_pci_func);
+ aq_pci_func_free(aq_pci_func);
+}
+
+static int aq_pci_suspend(struct pci_dev *pdev, pm_message_t pm_msg)
+{
+ struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
+
+ return aq_pci_func_change_pm_state(aq_pci_func, &pm_msg);
+}
+
+static int aq_pci_resume(struct pci_dev *pdev)
+{
+ struct aq_pci_func_s *aq_pci_func = pci_get_drvdata(pdev);
+ pm_message_t pm_msg = PMSG_RESTORE;
+
+ return aq_pci_func_change_pm_state(aq_pci_func, &pm_msg);
+}
+
+static struct pci_driver aq_pci_ops = {
+ .name = AQ_CFG_DRV_NAME,
+ .id_table = aq_pci_tbl,
+ .probe = aq_pci_probe,
+ .remove = aq_pci_remove,
+ .suspend = aq_pci_suspend,
+ .resume = aq_pci_resume,
+};
+
+module_pci_driver(aq_pci_ops);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
index 8446522..5f100ea 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.h
@@ -16,9 +16,7 @@
#include "aq_nic.h"
struct aq_pci_func_s *aq_pci_func_alloc(const struct aq_hw_ops *hw_ops,
- struct pci_dev *pdev,
- const struct net_device_ops *ndev_ops,
- const struct ethtool_ops *eth_ops);
+ struct pci_dev *pdev);
int aq_pci_func_init(struct aq_pci_func_s *self);
int aq_pci_func_alloc_irq(struct aq_pci_func_s *self, unsigned int i,
char *name, void *aq_vec,
--
2.7.4
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