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Kirill Smelkov
linux
Commits
fd172807
Commit
fd172807
authored
Mar 06, 2005
by
Jeff Garzik
Browse files
Options
Browse Files
Download
Plain Diff
Merge pobox.com:/garz/repo/netdev-2.6/sk_mca
into pobox.com:/garz/repo/net-drivers-2.6
parents
06e34c35
2bb50058
Changes
2
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Showing
2 changed files
with
69 additions
and
76 deletions
+69
-76
drivers/net/sk_mca.c
drivers/net/sk_mca.c
+64
-62
drivers/net/sk_mca.h
drivers/net/sk_mca.h
+5
-14
No files found.
drivers/net/sk_mca.c
View file @
fd172807
...
...
@@ -127,12 +127,13 @@ static unsigned char poly[] =
#ifdef DEBUG
static
void
dumpmem
(
struct
net_device
*
dev
,
u32
start
,
u32
len
)
{
skmca_priv
*
priv
=
netdev_priv
(
dev
);
int
z
;
for
(
z
=
0
;
z
<
len
;
z
++
)
{
if
((
z
&
15
)
==
0
)
printk
(
"%04x:"
,
z
);
printk
(
" %02x"
,
SKMCA_READB
(
dev
->
mem_start
+
start
+
z
));
printk
(
" %02x"
,
readb
(
priv
->
base
+
start
+
z
));
if
((
z
&
15
)
==
15
)
printk
(
"
\n
"
);
}
...
...
@@ -220,21 +221,21 @@ static int __init dofind(int *junior, int firstslot)
static
void
ResetBoard
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
SKMCA_WRITEB
(
CTRL_RESET_ON
,
priv
->
ctrladdr
);
writeb
(
CTRL_RESET_ON
,
priv
->
ctrladdr
);
udelay
(
10
);
SKMCA_WRITEB
(
CTRL_RESET_OFF
,
priv
->
ctrladdr
);
writeb
(
CTRL_RESET_OFF
,
priv
->
ctrladdr
);
}
/* wait for LANCE interface to become not busy */
static
int
WaitLANCE
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
int
t
=
0
;
while
((
SKMCA_READB
(
priv
->
ctrladdr
)
&
STAT_IO_BUSY
)
==
while
((
readb
(
priv
->
ctrladdr
)
&
STAT_IO_BUSY
)
==
STAT_IO_BUSY
)
{
udelay
(
1
);
if
(
++
t
>
1000
)
{
...
...
@@ -250,7 +251,7 @@ static int WaitLANCE(struct net_device *dev)
static
void
SetLANCE
(
struct
net_device
*
dev
,
u16
addr
,
u16
value
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
unsigned
long
flags
;
/* disable interrupts */
...
...
@@ -263,19 +264,17 @@ static void SetLANCE(struct net_device *dev, u16 addr, u16 value)
/* transfer register address to RAP */
SKMCA_WRITEB
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_RAP
,
priv
->
ctrladdr
);
SKMCA_WRITEW
(
addr
,
priv
->
ioregaddr
);
SKMCA_WRITEB
(
IOCMD_GO
,
priv
->
cmdaddr
);
writeb
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_RAP
,
priv
->
ctrladdr
);
writew
(
addr
,
priv
->
ioregaddr
);
writeb
(
IOCMD_GO
,
priv
->
cmdaddr
);
udelay
(
1
);
WaitLANCE
(
dev
);
/* transfer data to register */
SKMCA_WRITEB
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_DATA
,
priv
->
ctrladdr
);
SKMCA_WRITEW
(
value
,
priv
->
ioregaddr
);
SKMCA_WRITEB
(
IOCMD_GO
,
priv
->
cmdaddr
);
writeb
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_DATA
,
priv
->
ctrladdr
);
writew
(
value
,
priv
->
ioregaddr
);
writeb
(
IOCMD_GO
,
priv
->
cmdaddr
);
udelay
(
1
);
WaitLANCE
(
dev
);
...
...
@@ -288,7 +287,7 @@ static void SetLANCE(struct net_device *dev, u16 addr, u16 value)
static
u16
GetLANCE
(
struct
net_device
*
dev
,
u16
addr
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
unsigned
long
flags
;
unsigned
int
res
;
...
...
@@ -302,21 +301,19 @@ static u16 GetLANCE(struct net_device *dev, u16 addr)
/* transfer register address to RAP */
SKMCA_WRITEB
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_RAP
,
priv
->
ctrladdr
);
SKMCA_WRITEW
(
addr
,
priv
->
ioregaddr
);
SKMCA_WRITEB
(
IOCMD_GO
,
priv
->
cmdaddr
);
writeb
(
CTRL_RESET_OFF
|
CTRL_RW_WRITE
|
CTRL_ADR_RAP
,
priv
->
ctrladdr
);
writew
(
addr
,
priv
->
ioregaddr
);
writeb
(
IOCMD_GO
,
priv
->
cmdaddr
);
udelay
(
1
);
WaitLANCE
(
dev
);
/* transfer data from register */
SKMCA_WRITEB
(
CTRL_RESET_OFF
|
CTRL_RW_READ
|
CTRL_ADR_DATA
,
priv
->
ctrladdr
);
SKMCA_WRITEB
(
IOCMD_GO
,
priv
->
cmdaddr
);
writeb
(
CTRL_RESET_OFF
|
CTRL_RW_READ
|
CTRL_ADR_DATA
,
priv
->
ctrladdr
);
writeb
(
IOCMD_GO
,
priv
->
cmdaddr
);
udelay
(
1
);
WaitLANCE
(
dev
);
res
=
SKMCA_READW
(
priv
->
ioregaddr
);
res
=
readw
(
priv
->
ioregaddr
);
/* reenable interrupts */
...
...
@@ -329,6 +326,7 @@ static u16 GetLANCE(struct net_device *dev, u16 addr)
static
void
InitDscrs
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
netdev_priv
(
dev
);
u32
bufaddr
;
/* Set up Tx descriptors. The board has only 16K RAM so bits 16..23
...
...
@@ -344,11 +342,10 @@ static void InitDscrs(struct net_device *dev)
descr
.
Flags
=
0
;
descr
.
Len
=
0xf000
;
descr
.
Status
=
0
;
SKMCA_TOIO
(
dev
->
mem_start
+
RAM_TXBASE
+
memcpy_toio
(
priv
->
base
+
RAM_TXBASE
+
(
z
*
sizeof
(
LANCE_TxDescr
)),
&
descr
,
sizeof
(
LANCE_TxDescr
));
SKMCA_SETIO
(
dev
->
mem_start
+
bufaddr
,
0
,
RAM_BUFSIZE
);
memset_io
(
priv
->
base
+
bufaddr
,
0
,
RAM_BUFSIZE
);
bufaddr
+=
RAM_BUFSIZE
;
}
}
...
...
@@ -364,11 +361,10 @@ static void InitDscrs(struct net_device *dev)
descr
.
Flags
=
RXDSCR_FLAGS_OWN
;
descr
.
MaxLen
=
-
RAM_BUFSIZE
;
descr
.
Len
=
0
;
SKMCA_TOIO
(
dev
->
mem_start
+
RAM_RXBASE
+
memcpy_toio
(
priv
->
base
+
RAM_RXBASE
+
(
z
*
sizeof
(
LANCE_RxDescr
)),
&
descr
,
sizeof
(
LANCE_RxDescr
));
SKMCA_SETIO
(
dev
->
mem_start
+
bufaddr
,
0
,
RAM_BUFSIZE
);
memset_io
(
priv
->
base
+
bufaddr
,
0
,
RAM_BUFSIZE
);
bufaddr
+=
RAM_BUFSIZE
;
}
}
...
...
@@ -425,7 +421,7 @@ static unsigned int GetHash(char *address)
static
void
InitLANCE
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
/* build up descriptors. */
...
...
@@ -478,6 +474,7 @@ static void StopLANCE(struct net_device *dev)
static
void
InitBoard
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
netdev_priv
(
dev
);
LANCE_InitBlock
block
;
/* Lay out the shared RAM - first we create the init block for the LANCE.
...
...
@@ -492,7 +489,7 @@ static void InitBoard(struct net_device *dev)
block
.
RdrP
=
(
RAM_RXBASE
&
0xffffff
)
|
(
LRXCOUNT
<<
29
);
block
.
TdrP
=
(
RAM_TXBASE
&
0xffffff
)
|
(
LTXCOUNT
<<
29
);
SKMCA_TOIO
(
dev
->
mem_start
+
RAM_INITBASE
,
&
block
,
sizeof
(
block
));
memcpy_toio
(
priv
->
base
+
RAM_INITBASE
,
&
block
,
sizeof
(
block
));
/* initialize LANCE. Implicitly sets up other structures in RAM. */
...
...
@@ -572,7 +569,7 @@ static u16 irqstart_handler(struct net_device *dev, u16 oldcsr0)
static
u16
irqmiss_handler
(
struct
net_device
*
dev
,
u16
oldcsr0
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
/* update statistics */
...
...
@@ -588,7 +585,7 @@ static u16 irqmiss_handler(struct net_device *dev, u16 oldcsr0)
static
u16
irqrx_handler
(
struct
net_device
*
dev
,
u16
oldcsr0
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
LANCE_RxDescr
descr
;
unsigned
int
descraddr
;
...
...
@@ -597,7 +594,7 @@ static u16 irqrx_handler(struct net_device *dev, u16 oldcsr0)
descraddr
=
RAM_RXBASE
+
(
priv
->
nextrx
*
sizeof
(
LANCE_RxDescr
));
while
(
1
)
{
/* read descriptor */
SKMCA_FROMIO
(
&
descr
,
dev
->
mem_start
+
descraddr
,
memcpy_fromio
(
&
descr
,
priv
->
base
+
descraddr
,
sizeof
(
LANCE_RxDescr
));
/* if we reach a descriptor we do not own, we're done */
...
...
@@ -629,8 +626,8 @@ static u16 irqrx_handler(struct net_device *dev, u16 oldcsr0)
if
(
skb
==
NULL
)
priv
->
stat
.
rx_dropped
++
;
else
{
SKMCA_FROMIO
(
skb_put
(
skb
,
descr
.
Len
),
dev
->
mem_start
+
memcpy_fromio
(
skb_put
(
skb
,
descr
.
Len
),
priv
->
base
+
descr
.
LowAddr
,
descr
.
Len
);
skb
->
dev
=
dev
;
skb
->
protocol
=
eth_type_trans
(
skb
,
dev
);
...
...
@@ -647,7 +644,7 @@ static u16 irqrx_handler(struct net_device *dev, u16 oldcsr0)
descr
.
Flags
|=
RXDSCR_FLAGS_OWN
;
/* update descriptor in shared RAM */
SKMCA_TOIO
(
dev
->
mem_start
+
descraddr
,
&
descr
,
memcpy_toio
(
priv
->
base
+
descraddr
,
&
descr
,
sizeof
(
LANCE_RxDescr
));
/* go to next descriptor */
...
...
@@ -669,7 +666,7 @@ static u16 irqrx_handler(struct net_device *dev, u16 oldcsr0)
static
u16
irqtx_handler
(
struct
net_device
*
dev
,
u16
oldcsr0
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
LANCE_TxDescr
descr
;
unsigned
int
descraddr
;
...
...
@@ -679,7 +676,7 @@ static u16 irqtx_handler(struct net_device *dev, u16 oldcsr0)
RAM_TXBASE
+
(
priv
->
nexttxdone
*
sizeof
(
LANCE_TxDescr
));
while
(
priv
->
txbusy
>
0
)
{
/* read descriptor */
SKMCA_FROMIO
(
&
descr
,
dev
->
mem_start
+
descraddr
,
memcpy_fromio
(
&
descr
,
priv
->
base
+
descraddr
,
sizeof
(
LANCE_TxDescr
));
/* if the LANCE still owns this one, we've worked out all sent packets */
...
...
@@ -798,9 +795,7 @@ static int skmca_getinfo(char *buf, int slot, void *d)
if
(
dev
==
NULL
)
return
len
;
if
(
dev
->
priv
==
NULL
)
return
len
;
priv
=
(
skmca_priv
*
)
dev
->
priv
;
priv
=
netdev_priv
(
dev
);
/* print info */
...
...
@@ -825,7 +820,7 @@ static int skmca_getinfo(char *buf, int slot, void *d)
static
int
skmca_open
(
struct
net_device
*
dev
)
{
int
result
;
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
/* register resources - only necessary for IRQ */
result
=
...
...
@@ -868,7 +863,7 @@ static int skmca_close(struct net_device *dev)
static
int
skmca_tx
(
struct
sk_buff
*
skb
,
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
LANCE_TxDescr
descr
;
unsigned
int
address
;
int
tmplen
,
retval
=
0
;
...
...
@@ -894,8 +889,7 @@ static int skmca_tx(struct sk_buff *skb, struct net_device *dev)
/* get TX descriptor */
address
=
RAM_TXBASE
+
(
priv
->
nexttxput
*
sizeof
(
LANCE_TxDescr
));
SKMCA_FROMIO
(
&
descr
,
dev
->
mem_start
+
address
,
sizeof
(
LANCE_TxDescr
));
memcpy_fromio
(
&
descr
,
priv
->
base
+
address
,
sizeof
(
LANCE_TxDescr
));
/* enter packet length as 2s complement - assure minimum length */
tmplen
=
skb
->
len
;
...
...
@@ -911,14 +905,14 @@ static int skmca_tx(struct sk_buff *skb, struct net_device *dev)
unsigned
int
destoffs
=
0
,
l
=
strlen
(
fill
);
while
(
destoffs
<
tmplen
)
{
SKMCA_TOIO
(
dev
->
mem_start
+
descr
.
LowAddr
+
memcpy_toio
(
priv
->
base
+
descr
.
LowAddr
+
destoffs
,
fill
,
l
);
destoffs
+=
l
;
}
}
/* do the real data copying */
SKMCA_TOIO
(
dev
->
mem_start
+
descr
.
LowAddr
,
skb
->
data
,
skb
->
len
);
memcpy_toio
(
priv
->
base
+
descr
.
LowAddr
,
skb
->
data
,
skb
->
len
);
/* hand descriptor over to LANCE - this is the first and last chunk */
descr
.
Flags
=
...
...
@@ -945,8 +939,7 @@ static int skmca_tx(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue
(
dev
);
/* write descriptor back to RAM */
SKMCA_TOIO
(
dev
->
mem_start
+
address
,
&
descr
,
sizeof
(
LANCE_TxDescr
));
memcpy_toio
(
priv
->
base
+
address
,
&
descr
,
sizeof
(
LANCE_TxDescr
));
/* if no descriptors were active, give the LANCE a hint to read it
immediately */
...
...
@@ -967,7 +960,7 @@ static int skmca_tx(struct sk_buff *skb, struct net_device *dev)
static
struct
net_device_stats
*
skmca_stats
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
(
skmca_priv
*
)
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
return
&
(
priv
->
stat
);
}
...
...
@@ -977,13 +970,14 @@ static struct net_device_stats *skmca_stats(struct net_device *dev)
static
void
skmca_set_multicast_list
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
netdev_priv
(
dev
);
LANCE_InitBlock
block
;
/* first stop the LANCE... */
StopLANCE
(
dev
);
/* ...then modify the initialization block... */
SKMCA_FROMIO
(
&
block
,
dev
->
mem_start
+
RAM_INITBASE
,
sizeof
(
block
));
memcpy_fromio
(
&
block
,
priv
->
base
+
RAM_INITBASE
,
sizeof
(
block
));
if
(
dev
->
flags
&
IFF_PROMISC
)
block
.
Mode
|=
LANCE_INIT_PROM
;
else
...
...
@@ -1003,7 +997,7 @@ static void skmca_set_multicast_list(struct net_device *dev)
}
}
SKMCA_TOIO
(
dev
->
mem_start
+
RAM_INITBASE
,
&
block
,
sizeof
(
block
));
memcpy_toio
(
priv
->
base
+
RAM_INITBASE
,
&
block
,
sizeof
(
block
));
/* ...then reinit LANCE with the correct flags */
InitLANCE
(
dev
);
...
...
@@ -1017,10 +1011,11 @@ static int startslot; /* counts through slots when probing multiple devices */
static
void
cleanup_card
(
struct
net_device
*
dev
)
{
skmca_priv
*
priv
=
dev
->
priv
;
skmca_priv
*
priv
=
netdev_priv
(
dev
)
;
DeinitBoard
(
dev
);
if
(
dev
->
irq
!=
0
)
free_irq
(
dev
->
irq
,
dev
);
iounmap
(
priv
->
base
);
mca_mark_as_unused
(
priv
->
slot
);
mca_set_adapter_procfn
(
priv
->
slot
,
NULL
,
NULL
);
}
...
...
@@ -1104,13 +1099,20 @@ struct net_device * __init skmca_probe(int unit)
printk
(
"%s: SKNet %s adapter found in slot %d
\n
"
,
dev
->
name
,
junior
?
"Junior MC2"
:
"MC2+"
,
slot
+
1
);
/* allocate structure */
priv
=
dev
->
priv
;
priv
=
netdev_priv
(
dev
);
priv
->
base
=
ioremap
(
base
,
0x4000
);
if
(
!
priv
->
base
)
{
mca_set_adapter_procfn
(
slot
,
NULL
,
NULL
);
mca_mark_as_unused
(
slot
);
free_netdev
(
dev
);
return
ERR_PTR
(
-
ENOMEM
);
}
priv
->
slot
=
slot
;
priv
->
macbase
=
base
+
0x3fc0
;
priv
->
ioregaddr
=
base
+
0x3ff0
;
priv
->
ctrladdr
=
base
+
0x3ff2
;
priv
->
cmdaddr
=
base
+
0x3ff3
;
priv
->
macbase
=
priv
->
base
+
0x3fc0
;
priv
->
ioregaddr
=
priv
->
base
+
0x3ff0
;
priv
->
ctrladdr
=
priv
->
base
+
0x3ff2
;
priv
->
cmdaddr
=
priv
->
base
+
0x3ff3
;
priv
->
medium
=
medium
;
memset
(
&
priv
->
stat
,
0
,
sizeof
(
struct
net_device_stats
));
spin_lock_init
(
&
priv
->
lock
);
...
...
@@ -1147,7 +1149,7 @@ struct net_device * __init skmca_probe(int unit)
/* copy out MAC address */
for
(
i
=
0
;
i
<
6
;
i
++
)
dev
->
dev_addr
[
i
]
=
SKMCA_READB
(
priv
->
macbase
+
(
i
<<
1
));
dev
->
dev_addr
[
i
]
=
readb
(
priv
->
macbase
+
(
i
<<
1
));
/* print config */
printk
(
"%s: IRQ %d, memory %#lx-%#lx, "
...
...
drivers/net/sk_mca.h
View file @
fd172807
...
...
@@ -5,16 +5,6 @@
#ifdef _SK_MCA_DRIVER_
/* version-dependent functions/structures */
#define SKMCA_READB(addr) isa_readb(addr)
#define SKMCA_READW(addr) isa_readw(addr)
#define SKMCA_WRITEB(data, addr) isa_writeb(data, addr)
#define SKMCA_WRITEW(data, addr) isa_writew(data, addr)
#define SKMCA_TOIO(dest, src, len) isa_memcpy_toio(dest, src, len)
#define SKMCA_FROMIO(dest, src, len) isa_memcpy_fromio(dest, src, len)
#define SKMCA_SETIO(dest, val, len) isa_memset_io(dest, val, len)
/* Adapter ID's */
#define SKNET_MCA_ID 0x6afd
#define SKNET_JUNIOR_MCA_ID 0x6be9
...
...
@@ -29,10 +19,11 @@ typedef enum { Media_10Base2, Media_10BaseT,
/* private structure */
typedef
struct
{
unsigned
int
slot
;
/* MCA-Slot-# */
unsigned
int
macbase
;
/* base address of MAC address PROM */
unsigned
int
ioregaddr
;
/* address of I/O-register (Lo) */
unsigned
int
ctrladdr
;
/* address of control/stat register */
unsigned
int
cmdaddr
;
/* address of I/O-command register */
void
__iomem
*
base
;
void
__iomem
*
macbase
;
/* base address of MAC address PROM */
void
__iomem
*
ioregaddr
;
/* address of I/O-register (Lo) */
void
__iomem
*
ctrladdr
;
/* address of control/stat register */
void
__iomem
*
cmdaddr
;
/* address of I/O-command register */
int
nextrx
;
/* index of next RX descriptor to
be read */
int
nexttxput
;
/* index of next free TX descriptor */
...
...
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