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Message-ID: <165063943839.27138.17027302924807133496.stgit@palantir17.mph.net>
Date: Fri, 22 Apr 2022 15:57:18 +0100
From: Martin Habets <habetsm.xilinx@...il.com>
To: kuba@...nel.org, pabeni@...hat.com, davem@...emloft.net
Cc: netdev@...r.kernel.org, ecree.xilinx@...il.com
Subject: [PATCH net-next 01/28] sfc: Disable Siena support
From: Martin Habets <martinh@...inx.com>
Disable the build of Siena code until later in this patch series.
Prevent sfc.ko from binding to Siena NICs.
efx_init_sriov/efx_fini_sriov is only used for Siena. Remove calls
to those.
Signed-off-by: Martin Habets <habetsm.xilinx@...il.com>
---
drivers/net/ethernet/sfc/Kconfig | 8 ++++----
drivers/net/ethernet/sfc/Makefile | 4 ++--
drivers/net/ethernet/sfc/efx.c | 17 -----------------
drivers/net/ethernet/sfc/nic.h | 4 ----
4 files changed, 6 insertions(+), 27 deletions(-)
diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig
index 97ce64079855..846fff16fa48 100644
--- a/drivers/net/ethernet/sfc/Kconfig
+++ b/drivers/net/ethernet/sfc/Kconfig
@@ -17,14 +17,14 @@ config NET_VENDOR_SOLARFLARE
if NET_VENDOR_SOLARFLARE
config SFC
- tristate "Solarflare SFC9000/SFC9100/EF100-family support"
+ tristate "Solarflare SFC9100/EF100-family support"
depends on PCI
depends on PTP_1588_CLOCK_OPTIONAL
select MDIO
select CRC32
help
This driver supports 10/40-gigabit Ethernet cards based on
- the Solarflare SFC9000-family and SFC9100-family controllers.
+ the Solarflare SFC9100-family controllers.
It also supports 10/25/40/100-gigabit Ethernet cards based
on the Solarflare EF100 networking IP in Xilinx FPGAs.
@@ -47,11 +47,11 @@ config SFC_MCDI_MON
This exposes the on-board firmware-managed sensors as a
hardware monitor device.
config SFC_SRIOV
- bool "Solarflare SFC9000-family SR-IOV support"
+ bool "Solarflare SFC9000/SFC9100-family SR-IOV support"
depends on SFC && PCI_IOV
default y
help
- This enables support for the SFC9000 I/O Virtualization
+ This enables support for the Single Root I/O Virtualization
features, allowing accelerated network performance in
virtualized environments.
config SFC_MCDI_LOGGING
diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile
index 8bd01c429f91..838ee3cdc229 100644
--- a/drivers/net/ethernet/sfc/Makefile
+++ b/drivers/net/ethernet/sfc/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
sfc-y += efx.o efx_common.o efx_channels.o nic.o \
- farch.o siena.o ef10.o \
+ ef10.o \
tx.o tx_common.o tx_tso.o rx.o rx_common.o \
selftest.o ethtool.o ethtool_common.o ptp.o \
mcdi.o mcdi_port.o mcdi_port_common.o \
@@ -8,7 +8,7 @@ sfc-y += efx.o efx_common.o efx_channels.o nic.o \
ef100.o ef100_nic.o ef100_netdev.o \
ef100_ethtool.o ef100_rx.o ef100_tx.o
sfc-$(CONFIG_SFC_MTD) += mtd.o
-sfc-$(CONFIG_SFC_SRIOV) += sriov.o siena_sriov.o ef10_sriov.o
+sfc-$(CONFIG_SFC_SRIOV) += sriov.o ef10_sriov.o
obj-$(CONFIG_SFC) += sfc.o
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 302dc835ac3d..5e7fe75cb1d4 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -795,10 +795,6 @@ static void efx_unregister_netdev(struct efx_nic *efx)
/* PCI device ID table */
static const struct pci_device_id efx_pci_table[] = {
- {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0803), /* SFC9020 */
- .driver_data = (unsigned long) &siena_a0_nic_type},
- {PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0813), /* SFL9021 */
- .driver_data = (unsigned long) &siena_a0_nic_type},
{PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x0903), /* SFC9120 PF */
.driver_data = (unsigned long) &efx_hunt_a0_nic_type},
{PCI_DEVICE(PCI_VENDOR_ID_SOLARFLARE, 0x1903), /* SFC9120 VF */
@@ -1294,12 +1290,6 @@ static int __init efx_init_module(void)
if (rc)
goto err_notifier;
-#ifdef CONFIG_SFC_SRIOV
- rc = efx_init_sriov();
- if (rc)
- goto err_sriov;
-#endif
-
rc = efx_create_reset_workqueue();
if (rc)
goto err_reset;
@@ -1319,10 +1309,6 @@ static int __init efx_init_module(void)
err_pci:
efx_destroy_reset_workqueue();
err_reset:
-#ifdef CONFIG_SFC_SRIOV
- efx_fini_sriov();
- err_sriov:
-#endif
unregister_netdevice_notifier(&efx_netdev_notifier);
err_notifier:
return rc;
@@ -1335,9 +1321,6 @@ static void __exit efx_exit_module(void)
pci_unregister_driver(&ef100_pci_driver);
pci_unregister_driver(&efx_pci_driver);
efx_destroy_reset_workqueue();
-#ifdef CONFIG_SFC_SRIOV
- efx_fini_sriov();
-#endif
unregister_netdevice_notifier(&efx_netdev_notifier);
}
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 5c2fe3ce3f4d..251868235ae4 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -301,10 +301,6 @@ struct efx_ef10_nic_data {
int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
bool *data_mapped);
-int efx_init_sriov(void);
-void efx_fini_sriov(void);
-
-extern const struct efx_nic_type siena_a0_nic_type;
extern const struct efx_nic_type efx_hunt_a0_nic_type;
extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
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