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Message-ID: <165228597689.696.16795585611235554188.stgit@palantir17.mph.net>
Date: Wed, 11 May 2022 17:19:36 +0100
From: Martin Habets <habetsm.xilinx@...il.com>
To: kuba@...nel.org, edumazet@...gle.com, pabeni@...hat.com,
davem@...emloft.net
Cc: netdev@...r.kernel.org, ecree.xilinx@...il.com
Subject: [PATCH net-next 2/6] siena: Make SRIOV support specific for Siena
Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@...il.com>
---
drivers/net/ethernet/sfc/siena/Kconfig | 8 ++++++++
drivers/net/ethernet/sfc/siena/Makefile | 2 +-
drivers/net/ethernet/sfc/siena/efx.c | 12 ++++++------
drivers/net/ethernet/sfc/siena/efx.h | 2 +-
drivers/net/ethernet/sfc/siena/efx_channels.c | 4 ++--
drivers/net/ethernet/sfc/siena/efx_common.c | 2 +-
drivers/net/ethernet/sfc/siena/farch.c | 18 +++++++++---------
drivers/net/ethernet/sfc/siena/net_driver.h | 2 +-
drivers/net/ethernet/sfc/siena/nic.h | 2 +-
drivers/net/ethernet/sfc/siena/siena.c | 4 ++--
drivers/net/ethernet/sfc/siena/siena_sriov.h | 6 +++---
drivers/net/ethernet/sfc/siena/sriov.h | 4 ++--
12 files changed, 37 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig
index 79b8ccaeee01..4c85b26279c5 100644
--- a/drivers/net/ethernet/sfc/Kconfig
+++ b/drivers/net/ethernet/sfc/Kconfig
@@ -47,7 +47,7 @@ config SFC_MCDI_MON
This exposes the on-board firmware-managed sensors as a
hardware monitor device.
config SFC_SRIOV
- bool "Solarflare SFC9000/SFC9100-family SR-IOV support"
+ bool "Solarflare SFC9100-family SR-IOV support"
depends on SFC && PCI_IOV
default y
help
diff --git a/drivers/net/ethernet/sfc/siena/Kconfig b/drivers/net/ethernet/sfc/siena/Kconfig
index 805b902f903d..26a8cb838d47 100644
--- a/drivers/net/ethernet/sfc/siena/Kconfig
+++ b/drivers/net/ethernet/sfc/siena/Kconfig
@@ -18,3 +18,11 @@ config SFC_SIENA_MTD
This exposes the on-board flash and/or EEPROM as MTD devices
(e.g. /dev/mtd1). This is required to update the firmware or
the boot configuration under Linux.
+config SFC_SIENA_SRIOV
+ bool "Solarflare SFC9000-family SR-IOV support"
+ depends on SFC_SIENA && PCI_IOV
+ default n
+ help
+ This enables support for the Single Root I/O Virtualization
+ features, allowing accelerated network performance in
+ virtualized environments.
diff --git a/drivers/net/ethernet/sfc/siena/Makefile b/drivers/net/ethernet/sfc/siena/Makefile
index 3729095a51d9..f7384299667c 100644
--- a/drivers/net/ethernet/sfc/siena/Makefile
+++ b/drivers/net/ethernet/sfc/siena/Makefile
@@ -6,6 +6,6 @@ sfc-siena-y += farch.o siena.o \
mcdi.o mcdi_port.o mcdi_port_common.o \
mcdi_mon.o
sfc-siena-$(CONFIG_SFC_SIENA_MTD) += mtd.o
-sfc-siena-$(CONFIG_SFC_SRIOV) += siena_sriov.o
+sfc-siena-$(CONFIG_SFC_SIENA_SRIOV) += siena_sriov.o
obj-$(CONFIG_SFC_SIENA) += sfc-siena.o
diff --git a/drivers/net/ethernet/sfc/siena/efx.c b/drivers/net/ethernet/sfc/siena/efx.c
index 3f6e732f5fdc..01809666a3d1 100644
--- a/drivers/net/ethernet/sfc/siena/efx.c
+++ b/drivers/net/ethernet/sfc/siena/efx.c
@@ -359,7 +359,7 @@ static int efx_probe_all(struct efx_nic *efx)
goto fail3;
}
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
rc = efx->type->vswitching_probe(efx);
if (rc) /* not fatal; the PF will still work fine */
netif_warn(efx, probe, efx->net_dev,
@@ -383,7 +383,7 @@ static int efx_probe_all(struct efx_nic *efx)
fail5:
efx_siena_remove_filters(efx);
fail4:
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
efx->type->vswitching_remove(efx);
#endif
fail3:
@@ -402,7 +402,7 @@ static void efx_remove_all(struct efx_nic *efx)
efx_siena_remove_channels(efx);
efx_siena_remove_filters(efx);
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
efx->type->vswitching_remove(efx);
#endif
efx_remove_port(efx);
@@ -592,7 +592,7 @@ static const struct net_device_ops efx_netdev_ops = {
.ndo_features_check = efx_siena_features_check,
.ndo_vlan_rx_add_vid = efx_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = efx_vlan_rx_kill_vid,
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
.ndo_set_vf_mac = efx_sriov_set_vf_mac,
.ndo_set_vf_vlan = efx_sriov_set_vf_vlan,
.ndo_set_vf_spoofchk = efx_sriov_set_vf_spoofchk,
@@ -1108,7 +1108,7 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
/* efx_pci_sriov_configure returns the actual number of Virtual Functions
* enabled on success
*/
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
static int efx_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
{
int rc;
@@ -1250,7 +1250,7 @@ static struct pci_driver efx_pci_driver = {
.remove = efx_pci_remove,
.driver.pm = &efx_pm_ops,
.err_handler = &efx_siena_err_handlers,
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
.sriov_configure = efx_pci_sriov_configure,
#endif
};
diff --git a/drivers/net/ethernet/sfc/siena/efx.h b/drivers/net/ethernet/sfc/siena/efx.h
index 1d9755e59d75..27d1d3f19cae 100644
--- a/drivers/net/ethernet/sfc/siena/efx.h
+++ b/drivers/net/ethernet/sfc/siena/efx.h
@@ -177,7 +177,7 @@ static inline void efx_siena_mtd_rename(struct efx_nic *efx) {}
static inline void efx_siena_mtd_remove(struct efx_nic *efx) {}
#endif
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
static inline unsigned int efx_vf_size(struct efx_nic *efx)
{
return 1 << efx->vi_scale;
diff --git a/drivers/net/ethernet/sfc/siena/efx_channels.c b/drivers/net/ethernet/sfc/siena/efx_channels.c
index 276cd7d88732..28391875de69 100644
--- a/drivers/net/ethernet/sfc/siena/efx_channels.c
+++ b/drivers/net/ethernet/sfc/siena/efx_channels.c
@@ -110,7 +110,7 @@ static unsigned int efx_wanted_parallelism(struct efx_nic *efx)
/* If RSS is requested for the PF *and* VFs then we can't write RSS
* table entries that are inaccessible to VFs
*/
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
if (efx->type->sriov_wanted) {
if (efx->type->sriov_wanted(efx) && efx_vf_size(efx) > 1 &&
count > efx_vf_size(efx)) {
@@ -348,7 +348,7 @@ int efx_siena_probe_interrupts(struct efx_nic *efx)
rss_spread = efx->n_rx_channels;
/* RSS might be usable on VFs even if it is disabled on the PF */
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
if (efx->type->sriov_wanted) {
efx->rss_spread = ((rss_spread > 1 ||
!efx->type->sriov_wanted(efx)) ?
diff --git a/drivers/net/ethernet/sfc/siena/efx_common.c b/drivers/net/ethernet/sfc/siena/efx_common.c
index 7c400fd590f5..3aef8d216f95 100644
--- a/drivers/net/ethernet/sfc/siena/efx_common.c
+++ b/drivers/net/ethernet/sfc/siena/efx_common.c
@@ -778,7 +778,7 @@ int efx_siena_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
if (rc)
goto fail;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
rc = efx->type->vswitching_restore(efx);
if (rc) /* not fatal; the PF will still work fine */
netif_warn(efx, probe, efx->net_dev,
diff --git a/drivers/net/ethernet/sfc/siena/farch.c b/drivers/net/ethernet/sfc/siena/farch.c
index a24ba23fd19f..cce23803c652 100644
--- a/drivers/net/ethernet/sfc/siena/farch.c
+++ b/drivers/net/ethernet/sfc/siena/farch.c
@@ -228,7 +228,7 @@ static int efx_alloc_special_buffer(struct efx_nic *efx,
struct efx_special_buffer *buffer,
unsigned int len)
{
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
struct siena_nic_data *nic_data = efx->nic_data;
#endif
len = ALIGN(len, EFX_BUF_SIZE);
@@ -241,7 +241,7 @@ static int efx_alloc_special_buffer(struct efx_nic *efx,
/* Select new buffer ID */
buffer->index = efx->next_buffer_table;
efx->next_buffer_table += buffer->entries;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
BUG_ON(efx_siena_sriov_enabled(efx) &&
nic_data->vf_buftbl_base < efx->next_buffer_table);
#endif
@@ -1187,7 +1187,7 @@ efx_farch_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
netif_vdbg(efx, hw, efx->net_dev, "channel %d TXQ %d flushed\n",
channel->channel, ev_sub_data);
efx_farch_handle_tx_flush_done(efx, event);
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
efx_siena_sriov_tx_flush_done(efx, event);
#endif
break;
@@ -1195,7 +1195,7 @@ efx_farch_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
netif_vdbg(efx, hw, efx->net_dev, "channel %d RXQ %d flushed\n",
channel->channel, ev_sub_data);
efx_farch_handle_rx_flush_done(efx, event);
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
efx_siena_sriov_rx_flush_done(efx, event);
#endif
break;
@@ -1233,7 +1233,7 @@ efx_farch_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
ev_sub_data);
efx_siena_schedule_reset(efx, RESET_TYPE_DMA_ERROR);
}
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
else
efx_siena_sriov_desc_fetch_err(efx, ev_sub_data);
#endif
@@ -1246,7 +1246,7 @@ efx_farch_handle_driver_event(struct efx_channel *channel, efx_qword_t *event)
ev_sub_data);
efx_siena_schedule_reset(efx, RESET_TYPE_DMA_ERROR);
}
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
else
efx_siena_sriov_desc_fetch_err(efx, ev_sub_data);
#endif
@@ -1307,7 +1307,7 @@ int efx_farch_ev_process(struct efx_channel *channel, int budget)
case FSE_AZ_EV_CODE_DRIVER_EV:
efx_farch_handle_driver_event(channel, &event);
break;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
case FSE_CZ_EV_CODE_USER_EV:
efx_siena_sriov_event(channel, &event);
break;
@@ -1671,7 +1671,7 @@ void efx_farch_rx_pull_indir_table(struct efx_nic *efx)
void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw)
{
unsigned vi_count, total_tx_channels;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
struct siena_nic_data *nic_data;
unsigned buftbl_min;
#endif
@@ -1679,7 +1679,7 @@ void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw)
total_tx_channels = efx->n_tx_channels + efx->n_extra_tx_channels;
vi_count = max(efx->n_channels, total_tx_channels * EFX_MAX_TXQ_PER_CHANNEL);
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
nic_data = efx->nic_data;
/* Account for the buffer table entries backing the datapath channels
* and the descriptor caches for those channels.
diff --git a/drivers/net/ethernet/sfc/siena/net_driver.h b/drivers/net/ethernet/sfc/siena/net_driver.h
index 6af172fb0b10..a8f6c3699c8b 100644
--- a/drivers/net/ethernet/sfc/siena/net_driver.h
+++ b/drivers/net/ethernet/sfc/siena/net_driver.h
@@ -1096,7 +1096,7 @@ struct efx_nic {
atomic_t rxq_flush_outstanding;
wait_queue_head_t flush_wq;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
unsigned vf_count;
unsigned vf_init_count;
unsigned vi_scale;
diff --git a/drivers/net/ethernet/sfc/siena/nic.h b/drivers/net/ethernet/sfc/siena/nic.h
index 935cb0ab5ec0..6def31070edb 100644
--- a/drivers/net/ethernet/sfc/siena/nic.h
+++ b/drivers/net/ethernet/sfc/siena/nic.h
@@ -104,7 +104,7 @@ struct siena_nic_data {
struct efx_nic *efx;
int wol_filter_id;
u64 stats[SIENA_STAT_COUNT];
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
struct siena_vf *vf;
struct efx_channel *vfdi_channel;
unsigned vf_buftbl_base;
diff --git a/drivers/net/ethernet/sfc/siena/siena.c b/drivers/net/ethernet/sfc/siena/siena.c
index 9fe8ffc3a8d3..a44c8fa25748 100644
--- a/drivers/net/ethernet/sfc/siena/siena.c
+++ b/drivers/net/ethernet/sfc/siena/siena.c
@@ -328,7 +328,7 @@ static int siena_probe_nic(struct efx_nic *efx)
if (rc)
goto fail5;
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
efx_siena_sriov_probe(efx);
#endif
efx_siena_ptp_defer_probe_with_channel(efx);
@@ -1068,7 +1068,7 @@ const struct efx_nic_type siena_a0_nic_type = {
#endif
.ptp_write_host_time = siena_ptp_write_host_time,
.ptp_set_ts_config = siena_ptp_set_ts_config,
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
.sriov_configure = efx_siena_sriov_configure,
.sriov_init = efx_siena_sriov_init,
.sriov_fini = efx_siena_sriov_fini,
diff --git a/drivers/net/ethernet/sfc/siena/siena_sriov.h b/drivers/net/ethernet/sfc/siena/siena_sriov.h
index e548c4daf189..69a7a18e9ba0 100644
--- a/drivers/net/ethernet/sfc/siena/siena_sriov.h
+++ b/drivers/net/ethernet/sfc/siena/siena_sriov.h
@@ -54,18 +54,18 @@ int efx_siena_sriov_set_vf_spoofchk(struct efx_nic *efx, int vf,
int efx_siena_sriov_get_vf_config(struct efx_nic *efx, int vf,
struct ifla_vf_info *ivf);
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
static inline bool efx_siena_sriov_enabled(struct efx_nic *efx)
{
return efx->vf_init_count != 0;
}
-#else /* !CONFIG_SFC_SRIOV */
+#else /* !CONFIG_SFC_SIENA_SRIOV */
static inline bool efx_siena_sriov_enabled(struct efx_nic *efx)
{
return false;
}
-#endif /* CONFIG_SFC_SRIOV */
+#endif /* CONFIG_SFC_SIENA_SRIOV */
void efx_siena_sriov_probe(struct efx_nic *efx);
void efx_siena_sriov_tx_flush_done(struct efx_nic *efx, efx_qword_t *event);
diff --git a/drivers/net/ethernet/sfc/siena/sriov.h b/drivers/net/ethernet/sfc/siena/sriov.h
index fbde67319d87..a6981bad7621 100644
--- a/drivers/net/ethernet/sfc/siena/sriov.h
+++ b/drivers/net/ethernet/sfc/siena/sriov.h
@@ -9,7 +9,7 @@
#include "net_driver.h"
-#ifdef CONFIG_SFC_SRIOV
+#ifdef CONFIG_SFC_SIENA_SRIOV
static inline
int efx_sriov_set_vf_mac(struct net_device *net_dev, int vf_i, u8 *mac)
@@ -78,6 +78,6 @@ int efx_sriov_set_vf_link_state(struct net_device *net_dev, int vf_i,
else
return -EOPNOTSUPP;
}
-#endif /* CONFIG_SFC_SRIOV */
+#endif /* CONFIG_SFC_SIENA_SRIOV */
#endif /* EFX_SRIOV_H */
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