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Kirill Smelkov
linux
Commits
d5038596
Commit
d5038596
authored
Mar 09, 2012
by
David S. Miller
Browse files
Options
Browse Files
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Plain Diff
Merge branch 'for-davem' of
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
parents
d8d78949
460eeaa0
Changes
11
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Showing
11 changed files
with
222 additions
and
103 deletions
+222
-103
drivers/net/ethernet/sfc/efx.c
drivers/net/ethernet/sfc/efx.c
+60
-3
drivers/net/ethernet/sfc/efx.h
drivers/net/ethernet/sfc/efx.h
+1
-1
drivers/net/ethernet/sfc/falcon_boards.c
drivers/net/ethernet/sfc/falcon_boards.c
+0
-13
drivers/net/ethernet/sfc/net_driver.h
drivers/net/ethernet/sfc/net_driver.h
+4
-4
drivers/net/ethernet/sfc/nic.c
drivers/net/ethernet/sfc/nic.c
+7
-4
drivers/net/ethernet/sfc/nic.h
drivers/net/ethernet/sfc/nic.h
+11
-10
drivers/net/ethernet/sfc/rx.c
drivers/net/ethernet/sfc/rx.c
+2
-5
drivers/net/ethernet/sfc/selftest.c
drivers/net/ethernet/sfc/selftest.c
+132
-60
drivers/net/ethernet/sfc/selftest.h
drivers/net/ethernet/sfc/selftest.h
+3
-0
drivers/net/ethernet/sfc/siena.c
drivers/net/ethernet/sfc/siena.c
+1
-2
drivers/net/ethernet/sfc/siena_sriov.c
drivers/net/ethernet/sfc/siena_sriov.c
+1
-1
No files found.
drivers/net/ethernet/sfc/efx.c
View file @
d5038596
...
...
@@ -25,6 +25,7 @@
#include "net_driver.h"
#include "efx.h"
#include "nic.h"
#include "selftest.h"
#include "mcdi.h"
#include "workarounds.h"
...
...
@@ -163,12 +164,12 @@ static int phy_flash_cfg;
module_param
(
phy_flash_cfg
,
int
,
0644
);
MODULE_PARM_DESC
(
phy_flash_cfg
,
"Set PHYs into reflash mode initially"
);
static
unsigned
irq_adapt_low_thresh
=
10
000
;
static
unsigned
irq_adapt_low_thresh
=
8
000
;
module_param
(
irq_adapt_low_thresh
,
uint
,
0644
);
MODULE_PARM_DESC
(
irq_adapt_low_thresh
,
"Threshold score for reducing IRQ moderation"
);
static
unsigned
irq_adapt_high_thresh
=
20
000
;
static
unsigned
irq_adapt_high_thresh
=
16
000
;
module_param
(
irq_adapt_high_thresh
,
uint
,
0644
);
MODULE_PARM_DESC
(
irq_adapt_high_thresh
,
"Threshold score for increasing IRQ moderation"
);
...
...
@@ -1564,8 +1565,9 @@ static void efx_start_all(struct efx_nic *efx)
* since we're holding the rtnl_lock at this point. */
static
void
efx_flush_all
(
struct
efx_nic
*
efx
)
{
/* Make sure the hardware monitor
is
stopped */
/* Make sure the hardware monitor
and event self-test are
stopped */
cancel_delayed_work_sync
(
&
efx
->
monitor_work
);
efx_selftest_async_cancel
(
efx
);
/* Stop scheduled port reconfigurations */
cancel_work_sync
(
&
efx
->
mac_work
);
}
...
...
@@ -1825,6 +1827,7 @@ static int efx_net_open(struct net_device *net_dev)
efx_link_status_changed
(
efx
);
efx_start_all
(
efx
);
efx_selftest_async_start
(
efx
);
return
0
;
}
...
...
@@ -2375,6 +2378,7 @@ static int efx_init_struct(struct efx_nic *efx, const struct efx_nic_type *type,
#endif
INIT_WORK
(
&
efx
->
reset_work
,
efx_reset_work
);
INIT_DELAYED_WORK
(
&
efx
->
monitor_work
,
efx_monitor
);
INIT_DELAYED_WORK
(
&
efx
->
selftest_work
,
efx_selftest_async_work
);
efx
->
pci_dev
=
pci_dev
;
efx
->
msg_enable
=
debug
;
efx
->
state
=
STATE_INIT
;
...
...
@@ -2493,6 +2497,57 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
free_netdev
(
efx
->
net_dev
);
};
/* NIC VPD information
* Called during probe to display the part number of the
* installed NIC. VPD is potentially very large but this should
* always appear within the first 512 bytes.
*/
#define SFC_VPD_LEN 512
static
void
efx_print_product_vpd
(
struct
efx_nic
*
efx
)
{
struct
pci_dev
*
dev
=
efx
->
pci_dev
;
char
vpd_data
[
SFC_VPD_LEN
];
ssize_t
vpd_size
;
int
i
,
j
;
/* Get the vpd data from the device */
vpd_size
=
pci_read_vpd
(
dev
,
0
,
sizeof
(
vpd_data
),
vpd_data
);
if
(
vpd_size
<=
0
)
{
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"Unable to read VPD
\n
"
);
return
;
}
/* Get the Read only section */
i
=
pci_vpd_find_tag
(
vpd_data
,
0
,
vpd_size
,
PCI_VPD_LRDT_RO_DATA
);
if
(
i
<
0
)
{
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"VPD Read-only not found
\n
"
);
return
;
}
j
=
pci_vpd_lrdt_size
(
&
vpd_data
[
i
]);
i
+=
PCI_VPD_LRDT_TAG_SIZE
;
if
(
i
+
j
>
vpd_size
)
j
=
vpd_size
-
i
;
/* Get the Part number */
i
=
pci_vpd_find_info_keyword
(
vpd_data
,
i
,
j
,
"PN"
);
if
(
i
<
0
)
{
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"Part number not found
\n
"
);
return
;
}
j
=
pci_vpd_info_field_size
(
&
vpd_data
[
i
]);
i
+=
PCI_VPD_INFO_FLD_HDR_SIZE
;
if
(
i
+
j
>
vpd_size
)
{
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"Incomplete part number
\n
"
);
return
;
}
netif_info
(
efx
,
drv
,
efx
->
net_dev
,
"Part Number : %.*s
\n
"
,
j
,
&
vpd_data
[
i
]);
}
/* Main body of NIC initialisation
* This is called at module load (or hotplug insertion, theoretically).
*/
...
...
@@ -2582,6 +2637,8 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
netif_info
(
efx
,
probe
,
efx
->
net_dev
,
"Solarflare NIC detected
\n
"
);
efx_print_product_vpd
(
efx
);
/* Set up basic I/O (BAR mappings etc) */
rc
=
efx_init_io
(
efx
);
if
(
rc
)
...
...
drivers/net/ethernet/sfc/efx.h
View file @
d5038596
...
...
@@ -148,7 +148,7 @@ static inline void efx_schedule_channel(struct efx_channel *channel)
static
inline
void
efx_schedule_channel_irq
(
struct
efx_channel
*
channel
)
{
channel
->
last_irq
_cpu
=
raw_smp_processor_id
();
channel
->
event_test
_cpu
=
raw_smp_processor_id
();
efx_schedule_channel
(
channel
);
}
...
...
drivers/net/ethernet/sfc/falcon_boards.c
View file @
d5038596
...
...
@@ -709,8 +709,6 @@ static int sfe4003_init(struct efx_nic *efx)
static
const
struct
falcon_board_type
board_types
[]
=
{
{
.
id
=
FALCON_BOARD_SFE4001
,
.
ref_model
=
"SFE4001"
,
.
gen_type
=
"10GBASE-T adapter"
,
.
init
=
sfe4001_init
,
.
init_phy
=
efx_port_dummy_op_void
,
.
fini
=
sfe4001_fini
,
...
...
@@ -719,8 +717,6 @@ static const struct falcon_board_type board_types[] = {
},
{
.
id
=
FALCON_BOARD_SFE4002
,
.
ref_model
=
"SFE4002"
,
.
gen_type
=
"XFP adapter"
,
.
init
=
sfe4002_init
,
.
init_phy
=
sfe4002_init_phy
,
.
fini
=
efx_fini_lm87
,
...
...
@@ -729,8 +725,6 @@ static const struct falcon_board_type board_types[] = {
},
{
.
id
=
FALCON_BOARD_SFE4003
,
.
ref_model
=
"SFE4003"
,
.
gen_type
=
"10GBASE-CX4 adapter"
,
.
init
=
sfe4003_init
,
.
init_phy
=
sfe4003_init_phy
,
.
fini
=
efx_fini_lm87
,
...
...
@@ -739,8 +733,6 @@ static const struct falcon_board_type board_types[] = {
},
{
.
id
=
FALCON_BOARD_SFN4112F
,
.
ref_model
=
"SFN4112F"
,
.
gen_type
=
"SFP+ adapter"
,
.
init
=
sfn4112f_init
,
.
init_phy
=
sfn4112f_init_phy
,
.
fini
=
efx_fini_lm87
,
...
...
@@ -763,11 +755,6 @@ int falcon_probe_board(struct efx_nic *efx, u16 revision_info)
board
->
type
=
&
board_types
[
i
];
if
(
board
->
type
)
{
netif_info
(
efx
,
probe
,
efx
->
net_dev
,
"board is %s rev %c%d
\n
"
,
(
efx
->
pci_dev
->
subsystem_vendor
==
PCI_VENDOR_ID_SOLARFLARE
)
?
board
->
type
->
ref_model
:
board
->
type
->
gen_type
,
'A'
+
board
->
major
,
board
->
minor
);
return
0
;
}
else
{
netif_err
(
efx
,
probe
,
efx
->
net_dev
,
"unknown board type %d
\n
"
,
...
...
drivers/net/ethernet/sfc/net_driver.h
View file @
d5038596
...
...
@@ -324,8 +324,7 @@ enum efx_rx_alloc_method {
* @eventq: Event queue buffer
* @eventq_mask: Event queue pointer mask
* @eventq_read_ptr: Event queue read pointer
* @last_eventq_read_ptr: Last event queue read pointer value.
* @last_irq_cpu: Last CPU to handle interrupt for this channel
* @event_test_cpu: Last CPU to handle interrupt or test event for this channel
* @irq_count: Number of IRQs since last adaptive moderation decision
* @irq_mod_score: IRQ moderation score
* @rx_alloc_level: Watermark based heuristic counter for pushing descriptors
...
...
@@ -355,9 +354,8 @@ struct efx_channel {
struct
efx_special_buffer
eventq
;
unsigned
int
eventq_mask
;
unsigned
int
eventq_read_ptr
;
unsigned
int
last_eventq_read_ptr
;
int
event_test_cpu
;
int
last_irq_cpu
;
unsigned
int
irq_count
;
unsigned
int
irq_mod_score
;
#ifdef CONFIG_RFS_ACCEL
...
...
@@ -678,6 +676,7 @@ struct vfdi_status;
* @irq_status: Interrupt status buffer
* @irq_zero_count: Number of legacy IRQs seen with queue flags == 0
* @irq_level: IRQ level/index for IRQs not triggered by an event queue
* @selftest_work: Work item for asynchronous self-test
* @mtd_list: List of MTDs attached to the NIC
* @nic_data: Hardware dependent state
* @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
...
...
@@ -791,6 +790,7 @@ struct efx_nic {
struct
efx_buffer
irq_status
;
unsigned
irq_zero_count
;
unsigned
irq_level
;
struct
delayed_work
selftest_work
;
#ifdef CONFIG_SFC_MTD
struct
list_head
mtd_list
;
...
...
drivers/net/ethernet/sfc/nic.c
View file @
d5038596
...
...
@@ -822,7 +822,6 @@ efx_handle_tx_event(struct efx_channel *channel, efx_qword_t *event)
channel
,
tx_ev_q_label
%
EFX_TXQ_TYPES
);
tx_packets
=
((
tx_ev_desc_ptr
-
tx_queue
->
read_count
)
&
tx_queue
->
ptr_mask
);
channel
->
irq_mod_score
+=
tx_packets
;
efx_xmit_done
(
tx_queue
,
tx_ev_desc_ptr
);
}
else
if
(
EFX_QWORD_FIELD
(
*
event
,
FSF_AZ_TX_EV_WQ_FF_FULL
))
{
/* Rewrite the FIFO write pointer */
...
...
@@ -1084,7 +1083,7 @@ efx_handle_generated_event(struct efx_channel *channel, efx_qword_t *event)
code
=
_EFX_CHANNEL_MAGIC_CODE
(
magic
);
if
(
magic
==
EFX_CHANNEL_MAGIC_TEST
(
channel
))
{
/* ignore */
channel
->
event_test_cpu
=
raw_smp_processor_id
();
}
else
if
(
rx_queue
&&
magic
==
EFX_CHANNEL_MAGIC_FILL
(
rx_queue
))
{
/* The queue must be empty, so we won't receive any rx
* events, so efx_process_channel() won't refill the
...
...
@@ -1333,8 +1332,10 @@ void efx_nic_remove_eventq(struct efx_channel *channel)
}
void
efx_nic_
generate_test_even
t
(
struct
efx_channel
*
channel
)
void
efx_nic_
event_test_star
t
(
struct
efx_channel
*
channel
)
{
channel
->
event_test_cpu
=
-
1
;
smp_wmb
();
efx_magic_event
(
channel
,
EFX_CHANNEL_MAGIC_TEST
(
channel
));
}
...
...
@@ -1383,8 +1384,10 @@ void efx_nic_disable_interrupts(struct efx_nic *efx)
* Interrupt must already have been enabled, otherwise nasty things
* may happen.
*/
void
efx_nic_
generate_interrup
t
(
struct
efx_nic
*
efx
)
void
efx_nic_
irq_test_star
t
(
struct
efx_nic
*
efx
)
{
efx
->
last_irq_cpu
=
-
1
;
smp_wmb
();
efx_nic_interrupts
(
efx
,
true
,
true
);
}
...
...
drivers/net/ethernet/sfc/nic.h
View file @
d5038596
...
...
@@ -35,10 +35,6 @@ static inline int efx_nic_rev(struct efx_nic *efx)
extern
u32
efx_nic_fpga_ver
(
struct
efx_nic
*
efx
);
static
inline
bool
efx_nic_has_mc
(
struct
efx_nic
*
efx
)
{
return
efx_nic_rev
(
efx
)
>=
EFX_REV_SIENA_A0
;
}
/* NIC has two interlinked PCI functions for the same port. */
static
inline
bool
efx_nic_is_dual_func
(
struct
efx_nic
*
efx
)
{
...
...
@@ -73,8 +69,6 @@ enum {
/**
* struct falcon_board_type - board operations and type information
* @id: Board type id, as found in NVRAM
* @ref_model: Model number of Solarflare reference design
* @gen_type: Generic board type description
* @init: Allocate resources and initialise peripheral hardware
* @init_phy: Do board-specific PHY initialisation
* @fini: Shut down hardware and free resources
...
...
@@ -83,8 +77,6 @@ enum {
*/
struct
falcon_board_type
{
u8
id
;
const
char
*
ref_model
;
const
char
*
gen_type
;
int
(
*
init
)
(
struct
efx_nic
*
nic
);
void
(
*
init_phy
)
(
struct
efx_nic
*
efx
);
void
(
*
fini
)
(
struct
efx_nic
*
nic
);
...
...
@@ -305,14 +297,23 @@ extern void falcon_update_stats_xmac(struct efx_nic *efx);
/* Interrupts and test events */
extern
int
efx_nic_init_interrupt
(
struct
efx_nic
*
efx
);
extern
void
efx_nic_enable_interrupts
(
struct
efx_nic
*
efx
);
extern
void
efx_nic_
generate_test_even
t
(
struct
efx_channel
*
channel
);
extern
void
efx_nic_
generate_interrup
t
(
struct
efx_nic
*
efx
);
extern
void
efx_nic_
event_test_star
t
(
struct
efx_channel
*
channel
);
extern
void
efx_nic_
irq_test_star
t
(
struct
efx_nic
*
efx
);
extern
void
efx_nic_disable_interrupts
(
struct
efx_nic
*
efx
);
extern
void
efx_nic_fini_interrupt
(
struct
efx_nic
*
efx
);
extern
irqreturn_t
efx_nic_fatal_interrupt
(
struct
efx_nic
*
efx
);
extern
irqreturn_t
falcon_legacy_interrupt_a1
(
int
irq
,
void
*
dev_id
);
extern
void
falcon_irq_ack_a1
(
struct
efx_nic
*
efx
);
static
inline
int
efx_nic_event_test_irq_cpu
(
struct
efx_channel
*
channel
)
{
return
ACCESS_ONCE
(
channel
->
event_test_cpu
);
}
static
inline
int
efx_nic_irq_test_irq_cpu
(
struct
efx_nic
*
efx
)
{
return
ACCESS_ONCE
(
efx
->
last_irq_cpu
);
}
/* Global Resources */
extern
int
efx_nic_flush_queues
(
struct
efx_nic
*
efx
);
extern
void
falcon_start_nic_stats
(
struct
efx_nic
*
efx
);
...
...
drivers/net/ethernet/sfc/rx.c
View file @
d5038596
...
...
@@ -449,10 +449,8 @@ static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
efx_rx_queue_channel
(
rx_queue
)
->
n_rx_overlength
++
;
}
/* Pass a received packet up through the generic GRO stack
*
* Handles driverlink veto, and passes the fragment up via
* the appropriate GRO method
/* Pass a received packet up through GRO. GRO can handle pages
* regardless of checksum state and skbs with a good checksum.
*/
static
void
efx_rx_packet_gro
(
struct
efx_channel
*
channel
,
struct
efx_rx_buffer
*
rx_buf
,
...
...
@@ -461,7 +459,6 @@ static void efx_rx_packet_gro(struct efx_channel *channel,
struct
napi_struct
*
napi
=
&
channel
->
napi_str
;
gro_result_t
gro_result
;
/* Pass the skb/page into the GRO engine */
if
(
rx_buf
->
flags
&
EFX_RX_BUF_PAGE
)
{
struct
efx_nic
*
efx
=
channel
->
efx
;
struct
page
*
page
=
rx_buf
->
u
.
page
;
...
...
drivers/net/ethernet/sfc/selftest.c
View file @
d5038596
...
...
@@ -25,6 +25,16 @@
#include "selftest.h"
#include "workarounds.h"
/* IRQ latency can be enormous because:
* - All IRQs may be disabled on a CPU for a *long* time by e.g. a
* slow serial console or an old IDE driver doing error recovery
* - The PREEMPT_RT patches mostly deal with this, but also allow a
* tasklet or normal task to be given higher priority than our IRQ
* threads
* Try to avoid blaming the hardware for this.
*/
#define IRQ_TIMEOUT HZ
/*
* Loopback test packet structure
*
...
...
@@ -77,6 +87,9 @@ struct efx_loopback_state {
struct
efx_loopback_payload
payload
;
};
/* How long to wait for all the packets to arrive (in ms) */
#define LOOPBACK_TIMEOUT_MS 1000
/**************************************************************************
*
* MII, NVRAM and register tests
...
...
@@ -130,23 +143,25 @@ static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
static
int
efx_test_interrupts
(
struct
efx_nic
*
efx
,
struct
efx_self_tests
*
tests
)
{
unsigned
long
timeout
,
wait
;
int
cpu
;
netif_dbg
(
efx
,
drv
,
efx
->
net_dev
,
"testing interrupts
\n
"
);
tests
->
interrupt
=
-
1
;
/* Reset interrupt flag */
efx
->
last_irq_cpu
=
-
1
;
smp_wmb
();
efx_nic_generate_interrupt
(
efx
);
efx_nic_irq_test_start
(
efx
);
timeout
=
jiffies
+
IRQ_TIMEOUT
;
wait
=
1
;
/* Wait for arrival of test interrupt. */
netif_dbg
(
efx
,
drv
,
efx
->
net_dev
,
"waiting for test interrupt
\n
"
);
schedule_timeout_uninterruptible
(
HZ
/
10
);
cpu
=
ACCESS_ONCE
(
efx
->
last_irq_cpu
);
do
{
schedule_timeout_uninterruptible
(
wait
);
cpu
=
efx_nic_irq_test_irq_cpu
(
efx
);
if
(
cpu
>=
0
)
goto
success
;
wait
*=
2
;
}
while
(
time_before
(
jiffies
,
timeout
));
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"timed out waiting for interrupt
\n
"
);
return
-
ETIMEDOUT
;
...
...
@@ -159,35 +174,55 @@ static int efx_test_interrupts(struct efx_nic *efx,
}
/* Test generation and receipt of interrupting events */
static
int
efx_test_eventq_irq
(
struct
efx_
channel
*
channel
,
static
int
efx_test_eventq_irq
(
struct
efx_
nic
*
efx
,
struct
efx_self_tests
*
tests
)
{
struct
efx_nic
*
efx
=
channel
->
efx
;
unsigned
int
read_ptr
;
bool
napi_ran
,
dma_seen
,
int_seen
;
struct
efx_channel
*
channel
;
unsigned
int
read_ptr
[
EFX_MAX_CHANNELS
];
unsigned
long
napi_ran
=
0
,
dma_pend
=
0
,
int_pend
=
0
;
unsigned
long
timeout
,
wait
;
read_ptr
=
channel
->
eventq_read_ptr
;
channel
->
last_irq_cpu
=
-
1
;
smp_wmb
();
BUILD_BUG_ON
(
EFX_MAX_CHANNELS
>
BITS_PER_LONG
);
efx_for_each_channel
(
channel
,
efx
)
{
read_ptr
[
channel
->
channel
]
=
channel
->
eventq_read_ptr
;
set_bit
(
channel
->
channel
,
&
dma_pend
);
set_bit
(
channel
->
channel
,
&
int_pend
);
efx_nic_event_test_start
(
channel
);
}
efx_nic_generate_test_event
(
channel
);
timeout
=
jiffies
+
IRQ_TIMEOUT
;
wait
=
1
;
/* Wait for arrival of interrupt. NAPI processing may or may
/* Wait for arrival of interrupt
s
. NAPI processing may or may
* not complete in time, but we can cope in any case.
*/
msleep
(
10
);
do
{
schedule_timeout_uninterruptible
(
wait
);
efx_for_each_channel
(
channel
,
efx
)
{
napi_disable
(
&
channel
->
napi_str
);
if
(
channel
->
eventq_read_ptr
!=
read_ptr
)
{
napi_ran
=
true
;
dma_seen
=
true
;
int_seen
=
true
;
if
(
channel
->
eventq_read_ptr
!=
read_ptr
[
channel
->
channel
])
{
set_bit
(
channel
->
channel
,
&
napi_ran
);
clear_bit
(
channel
->
channel
,
&
dma_pend
);
clear_bit
(
channel
->
channel
,
&
int_pend
);
}
else
{
napi_ran
=
false
;
dma_seen
=
efx_nic_event_present
(
channel
);
int_seen
=
ACCESS_ONCE
(
channel
->
last_irq_cpu
)
>=
0
;
if
(
efx_nic_event_present
(
channel
))
clear_bit
(
channel
->
channel
,
&
dma_pend
);
if
(
efx_nic_event_test_irq_cpu
(
channel
)
>=
0
)
clear_bit
(
channel
->
channel
,
&
int_pend
);
}
napi_enable
(
&
channel
->
napi_str
);
efx_nic_eventq_read_ack
(
channel
);
}
wait
*=
2
;
}
while
((
dma_pend
||
int_pend
)
&&
time_before
(
jiffies
,
timeout
));
efx_for_each_channel
(
channel
,
efx
)
{
bool
dma_seen
=
!
test_bit
(
channel
->
channel
,
&
dma_pend
);
bool
int_seen
=
!
test_bit
(
channel
->
channel
,
&
int_pend
);
tests
->
eventq_dma
[
channel
->
channel
]
=
dma_seen
?
1
:
-
1
;
tests
->
eventq_int
[
channel
->
channel
]
=
int_seen
?
1
:
-
1
;
...
...
@@ -195,10 +230,13 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
if
(
dma_seen
&&
int_seen
)
{
netif_dbg
(
efx
,
drv
,
efx
->
net_dev
,
"channel %d event queue passed (with%s NAPI)
\n
"
,
channel
->
channel
,
napi_ran
?
""
:
"out"
);
return
0
;
channel
->
channel
,
test_bit
(
channel
->
channel
,
&
napi_ran
)
?
""
:
"out"
);
}
else
{
/* Report failure and whether either interrupt or DMA worked */
/* Report failure and whether either interrupt or DMA
* worked
*/
netif_err
(
efx
,
drv
,
efx
->
net_dev
,
"channel %d timed out waiting for event queue
\n
"
,
channel
->
channel
);
...
...
@@ -212,8 +250,10 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
"channel %d event was generated, but "
"failed to trigger an interrupt
\n
"
,
channel
->
channel
);
return
-
ETIMEDOUT
;
}
}
return
(
dma_pend
||
int_pend
)
?
-
ETIMEDOUT
:
0
;
}
static
int
efx_test_phy
(
struct
efx_nic
*
efx
,
struct
efx_self_tests
*
tests
,
...
...
@@ -516,10 +556,10 @@ efx_test_loopback(struct efx_tx_queue *tx_queue,
begin_rc
=
efx_begin_loopback
(
tx_queue
);
/* This will normally complete very quickly, but be
* prepared to wait
up to 100 ms
. */
* prepared to wait
much longer
. */
msleep
(
1
);
if
(
!
efx_poll_loopback
(
efx
))
{
msleep
(
100
);
msleep
(
LOOPBACK_TIMEOUT_MS
);
efx_poll_loopback
(
efx
);
}
...
...
@@ -660,9 +700,10 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
enum
efx_loopback_mode
loopback_mode
=
efx
->
loopback_mode
;
int
phy_mode
=
efx
->
phy_mode
;
enum
reset_type
reset_method
=
RESET_TYPE_INVISIBLE
;
struct
efx_channel
*
channel
;
int
rc_test
=
0
,
rc_reset
=
0
,
rc
;
efx_selftest_async_cancel
(
efx
);
/* Online (i.e. non-disruptive) testing
* This checks interrupt generation, event delivery and PHY presence. */
...
...
@@ -678,11 +719,9 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
if
(
rc
&&
!
rc_test
)
rc_test
=
rc
;
efx_for_each_channel
(
channel
,
efx
)
{
rc
=
efx_test_eventq_irq
(
channel
,
tests
);
rc
=
efx_test_eventq_irq
(
efx
,
tests
);
if
(
rc
&&
!
rc_test
)
rc_test
=
rc
;
}
if
(
rc_test
)
return
rc_test
;
...
...
@@ -757,3 +796,36 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
return
rc_test
;
}
void
efx_selftest_async_start
(
struct
efx_nic
*
efx
)
{
struct
efx_channel
*
channel
;
efx_for_each_channel
(
channel
,
efx
)
efx_nic_event_test_start
(
channel
);
schedule_delayed_work
(
&
efx
->
selftest_work
,
IRQ_TIMEOUT
);
}
void
efx_selftest_async_cancel
(
struct
efx_nic
*
efx
)
{
cancel_delayed_work_sync
(
&
efx
->
selftest_work
);
}
void
efx_selftest_async_work
(
struct
work_struct
*
data
)
{
struct
efx_nic
*
efx
=
container_of
(
data
,
struct
efx_nic
,
selftest_work
.
work
);
struct
efx_channel
*
channel
;
int
cpu
;
efx_for_each_channel
(
channel
,
efx
)
{
cpu
=
efx_nic_event_test_irq_cpu
(
channel
);
if
(
cpu
<
0
)
netif_err
(
efx
,
ifup
,
efx
->
net_dev
,
"channel %d failed to trigger an interrupt
\n
"
,
channel
->
channel
);
else
netif_dbg
(
efx
,
ifup
,
efx
->
net_dev
,
"channel %d triggered interrupt on CPU %d
\n
"
,
channel
->
channel
,
cpu
);
}
}
drivers/net/ethernet/sfc/selftest.h
View file @
d5038596
...
...
@@ -48,5 +48,8 @@ extern void efx_loopback_rx_packet(struct efx_nic *efx,
extern
int
efx_selftest
(
struct
efx_nic
*
efx
,
struct
efx_self_tests
*
tests
,
unsigned
flags
);
extern
void
efx_selftest_async_start
(
struct
efx_nic
*
efx
);
extern
void
efx_selftest_async_cancel
(
struct
efx_nic
*
efx
);
extern
void
efx_selftest_async_work
(
struct
work_struct
*
data
);
#endif
/* EFX_SELFTEST_H */
drivers/net/ethernet/sfc/siena.c
View file @
d5038596
...
...
@@ -409,7 +409,6 @@ static void siena_remove_nic(struct efx_nic *efx)
siena_reset_hw
(
efx
,
RESET_TYPE_ALL
);
/* Relinquish the device back to the BMC */
if
(
efx_nic_has_mc
(
efx
))
efx_mcdi_drv_attach
(
efx
,
false
,
NULL
);
/* Tear down the private nic state */
...
...
drivers/net/ethernet/sfc/siena_sriov.c
View file @
d5038596
...
...
@@ -514,7 +514,7 @@ static bool map_vi_index(struct efx_nic *efx, unsigned abs_index,
if
(
abs_index
<
EFX_VI_BASE
)
return
true
;
vf_i
=
(
abs_index
-
EFX_VI_BASE
)
*
efx_vf_size
(
efx
);
vf_i
=
(
abs_index
-
EFX_VI_BASE
)
/
efx_vf_size
(
efx
);
if
(
vf_i
>=
efx
->
vf_init_count
)
return
true
;
...
...
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