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nexedi
linux
Commits
6d23b118
Commit
6d23b118
authored
Oct 27, 2002
by
Alan Cox
Committed by
Linus Torvalds
Oct 27, 2002
Browse files
Options
Browse Files
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Email Patches
Plain Diff
[PATCH] drag ATM into the 21st century , part 1
parent
6321043b
Changes
5
Show whitespace changes
Inline
Side-by-side
Showing
5 changed files
with
284 additions
and
218 deletions
+284
-218
drivers/atm/Makefile
drivers/atm/Makefile
+1
-1
drivers/atm/iphase.c
drivers/atm/iphase.c
+266
-208
drivers/atm/iphase.h
drivers/atm/iphase.h
+12
-3
drivers/atm/lanai.c
drivers/atm/lanai.c
+1
-2
drivers/atm/zatm.c
drivers/atm/zatm.c
+4
-4
No files found.
drivers/atm/Makefile
View file @
6d23b118
...
...
@@ -40,7 +40,7 @@ ifeq ($(CONFIG_ATM_FORE200E_PCA),y)
fore_200e-objs
+=
fore200e_pca_fw.o
# guess the target endianess to choose the right PCA-200E firmware image
ifeq
($(CONFIG_ATM_FORE200E_PCA_DEFAULT_FW),y)
CONFIG_ATM_FORE200E_PCA_FW
=
$(
shell
if
test
-n
"
`
$(CC)
-E
-dM
$(src)
/../../include/asm/byteorder.h |
grep
' __LITTLE_ENDIAN '
`
"
;
then
echo
pca200e.bin
;
else
echo
pca200e_ecd.bin2
;
fi
)
CONFIG_ATM_FORE200E_PCA_FW
=
$(
shell
if
test
-n
"
`
$(CC)
-E
-dM
$(src)
/../../include/asm/byteorder.h |
grep
' __LITTLE_ENDIAN '
`
"
;
then
echo
$(obj)
/pca200e.bin
;
else
echo
$(obj)
/
pca200e_ecd.bin2
;
fi
)
endif
endif
...
...
drivers/atm/iphase.c
View file @
6d23b118
...
...
@@ -118,7 +118,7 @@ static void ia_enque_head_rtn_q (IARTN_Q *que, IARTN_Q * data)
}
static
int
ia_enque_rtn_q
(
IARTN_Q
*
que
,
struct
desc_tbl_t
data
)
{
IARTN_Q
*
entry
=
kmalloc
(
sizeof
(
*
entry
),
GFP_
KERNEL
);
IARTN_Q
*
entry
=
kmalloc
(
sizeof
(
*
entry
),
GFP_
ATOMIC
);
if
(
!
entry
)
return
-
1
;
entry
->
data
=
data
;
entry
->
next
=
NULL
;
...
...
@@ -202,8 +202,7 @@ static u16 get_desc (IADEV *dev, struct ia_vcc *iavcc) {
ltimeout
=
dev
->
desc_tbl
[
i
].
iavcc
->
ltimeout
;
delta
=
jiffies
-
dev
->
desc_tbl
[
i
].
timestamp
;
if
(
delta
>=
ltimeout
)
{
IF_ABR
(
printk
(
"RECOVER run!! desc_tbl %d = %d delta = %ld,
time = %ld
\n
"
,
i
,
dev
->
desc_tbl
[
i
].
timestamp
,
delta
,
jiffies
);)
IF_ABR
(
printk
(
"RECOVER run!! desc_tbl %d = %d delta = %ld, time = %ld
\n
"
,
i
,
dev
->
desc_tbl
[
i
].
timestamp
,
delta
,
jiffies
);)
if
(
dev
->
ffL
.
tcq_rd
==
dev
->
ffL
.
tcq_st
)
dev
->
ffL
.
tcq_rd
=
dev
->
ffL
.
tcq_ed
;
else
...
...
@@ -624,6 +623,7 @@ static int ia_que_tx (IADEV *iadev) {
struct
ia_vcc
*
iavcc
;
static
int
ia_pkt_tx
(
struct
atm_vcc
*
vcc
,
struct
sk_buff
*
skb
);
num_desc
=
ia_avail_descs
(
iadev
);
while
(
num_desc
&&
(
skb
=
skb_dequeue
(
&
iadev
->
tx_backlog
)))
{
if
(
!
(
vcc
=
ATM_SKB
(
skb
)
->
vcc
))
{
dev_kfree_skb_any
(
skb
);
...
...
@@ -643,6 +643,7 @@ static int ia_que_tx (IADEV *iadev) {
}
return
0
;
}
void
ia_tx_poll
(
IADEV
*
iadev
)
{
struct
atm_vcc
*
vcc
=
NULL
;
struct
sk_buff
*
skb
=
NULL
,
*
skb1
=
NULL
;
...
...
@@ -1086,6 +1087,7 @@ static int rx_pkt(struct atm_dev *dev)
int
len
;
struct
sk_buff
*
skb
;
u_int
buf_addr
,
dma_addr
;
iadev
=
INPH_IA_DEV
(
dev
);
if
(
iadev
->
rfL
.
pcq_rd
==
(
readw
(
iadev
->
reass_reg
+
PCQ_WR_PTR
)
&
0xffff
))
{
...
...
@@ -1171,7 +1173,8 @@ static int rx_pkt(struct atm_dev *dev)
/* Build the DLE structure */
wr_ptr
=
iadev
->
rx_dle_q
.
write
;
wr_ptr
->
sys_pkt_addr
=
virt_to_bus
(
skb
->
data
);
wr_ptr
->
sys_pkt_addr
=
pci_map_single
(
iadev
->
pci
,
skb
->
data
,
len
,
PCI_DMA_FROMDEVICE
);
wr_ptr
->
local_pkt_addr
=
buf_addr
;
wr_ptr
->
bytes
=
len
;
/* We don't know this do we ?? */
wr_ptr
->
mode
=
DMA_INT_ENABLE
;
...
...
@@ -1290,6 +1293,9 @@ static void rx_dle_intr(struct atm_dev *dev)
struct
cpcs_trailer
*
trailer
;
u_short
length
;
struct
ia_vcc
*
ia_vcc
;
pci_unmap_single
(
iadev
->
pci
,
iadev
->
rx_dle_q
.
write
->
sys_pkt_addr
,
len
,
PCI_DMA_FROMDEVICE
);
/* no VCC related housekeeping done as yet. lets see */
vcc
=
ATM_SKB
(
skb
)
->
vcc
;
if
(
!
vcc
)
{
...
...
@@ -1401,7 +1407,7 @@ static int rx_init(struct atm_dev *dev)
IADEV
*
iadev
;
struct
rx_buf_desc
*
buf_desc_ptr
;
unsigned
long
rx_pkt_start
=
0
;
u32
*
odle_addr
,
*
dle_addr
;
void
*
dle_addr
;
struct
abr_vc_table
*
abr_vc_table
;
u16
*
vc_table
;
u16
*
reass_table
;
...
...
@@ -1412,25 +1418,14 @@ static int rx_init(struct atm_dev *dev)
iadev
=
INPH_IA_DEV
(
dev
);
// spin_lock_init(&iadev->rx_lock);
/* I need to initialize the DLEs somewhere. Lets see what I
need to do for this, hmmm...
- allocate memory for 256 DLEs. make sure that it starts
on a 4k byte address boundary. Program the start address
in Receive List address register. ..... to do for TX also
To make sure that it is a 4k byte boundary - allocate 8k and find
4k byte boundary within.
( (addr + (4k-1)) & ~(4k-1) )
*/
/*
allocate 8k bytes */
odle_addr
=
kmalloc
(
2
*
sizeof
(
struct
dle
)
*
DLE_ENTRIES
,
GFP_KERNEL
);
if
(
!
odle_addr
)
{
/*
Allocate 4k bytes - more aligned than needed (4k boundary) */
dle_addr
=
pci_alloc_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
&
iadev
->
rx_dle_dma
);
if
(
!
dle_addr
)
{
printk
(
KERN_ERR
DEV_LABEL
"can't allocate DLEs
\n
"
);
return
-
ENOMEM
;
goto
err_out
;
}
/* find 4k byte boundary within the 8k allocated */
dle_addr
=
(
u32
*
)(
((
u32
)
odle_addr
+
(
4096
-
1
))
&
~
(
4096
-
1
)
);
iadev
->
rx_dle_q
.
start
=
(
struct
dle
*
)
dle_addr
;
iadev
->
rx_dle_q
.
read
=
iadev
->
rx_dle_q
.
start
;
iadev
->
rx_dle_q
.
write
=
iadev
->
rx_dle_q
.
start
;
...
...
@@ -1439,7 +1434,8 @@ static int rx_init(struct atm_dev *dev)
DLE that can be used. */
/* write the upper 20 bits of the start address to rx list address register */
writel
(
virt_to_bus
(
dle_addr
)
&
0xfffff000
,
iadev
->
dma
+
IPHASE5575_RX_LIST_ADDR
);
writel
(
iadev
->
rx_dle_dma
&
0xfffff000
,
iadev
->
dma
+
IPHASE5575_RX_LIST_ADDR
);
IF_INIT
(
printk
(
"Tx Dle list addr: 0x%08x value: 0x%0x
\n
"
,
(
u32
)(
iadev
->
dma
+
IPHASE5575_TX_LIST_ADDR
),
*
(
u32
*
)(
iadev
->
dma
+
IPHASE5575_TX_LIST_ADDR
));
...
...
@@ -1613,8 +1609,7 @@ static int rx_init(struct atm_dev *dev)
{
printk
(
KERN_ERR
DEV_LABEL
"itf %d couldn't get free page
\n
"
,
dev
->
number
);
kfree
(
odle_addr
);
return
-
ENOMEM
;
goto
err_free_dle
;
}
memset
(
iadev
->
rx_open
,
0
,
4
*
iadev
->
num_vc
);
iadev
->
rxing
=
1
;
...
...
@@ -1622,6 +1617,12 @@ static int rx_init(struct atm_dev *dev)
/* Mode Register */
writew
(
R_ONLINE
,
iadev
->
reass_reg
+
MODE_REG
);
return
0
;
err_free_dle:
pci_free_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
iadev
->
rx_dle_q
.
start
,
iadev
->
rx_dle_dma
);
err_out:
return
-
ENOMEM
;
}
...
...
@@ -1686,6 +1687,12 @@ static void tx_dle_intr(struct atm_dev *dev)
/* free the DMAed skb */
skb
=
skb_dequeue
(
&
iadev
->
tx_dma_q
);
if
(
!
skb
)
break
;
/* Revenge of the 2 dle (skb + trailer) used in ia_pkt_tx() */
if
(
!
((
dle
-
iadev
->
tx_dle_q
.
start
)
%
(
2
*
sizeof
(
struct
dle
))))
{
pci_unmap_single
(
iadev
->
pci
,
dle
->
sys_pkt_addr
,
skb
->
len
,
PCI_DMA_TODEVICE
);
}
vcc
=
ATM_SKB
(
skb
)
->
vcc
;
if
(
!
vcc
)
{
printk
(
"tx_dle_intr: vcc is null
\n
"
);
...
...
@@ -1878,7 +1885,7 @@ static int tx_init(struct atm_dev *dev)
IADEV
*
iadev
;
struct
tx_buf_desc
*
buf_desc_ptr
;
unsigned
int
tx_pkt_start
;
u32
*
dle_addr
;
void
*
dle_addr
;
int
i
;
u_short
tcq_st_adr
;
u_short
*
tcq_start
;
...
...
@@ -1894,24 +1901,22 @@ static int tx_init(struct atm_dev *dev)
IF_INIT
(
printk
(
"Tx MASK REG: 0x%0x
\n
"
,
readw
(
iadev
->
seg_reg
+
SEG_MASK_REG
));)
/*---------- Initializing Transmit DLEs ----------*/
/* allocating 8k memory for transmit DLEs */
dle_addr
=
kmalloc
(
2
*
sizeof
(
struct
dle
)
*
DLE_ENTRIES
,
GFP_KERNEL
);
if
(
!
dle_addr
)
{
printk
(
KERN_ERR
DEV_LABEL
"can't allocate TX DLEs
\n
"
);
return
-
ENOMEM
;
}
/* find 4k byte boundary within the 8k allocated */
dle_addr
=
(
u32
*
)(((
u32
)
dle_addr
+
(
4096
-
1
))
&
~
(
4096
-
1
));
/* Allocate 4k (boundary aligned) bytes */
dle_addr
=
pci_alloc_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
&
iadev
->
tx_dle_dma
);
if
(
!
dle_addr
)
{
printk
(
KERN_ERR
DEV_LABEL
"can't allocate DLEs
\n
"
);
goto
err_out
;
}
iadev
->
tx_dle_q
.
start
=
(
struct
dle
*
)
dle_addr
;
iadev
->
tx_dle_q
.
read
=
iadev
->
tx_dle_q
.
start
;
iadev
->
tx_dle_q
.
write
=
iadev
->
tx_dle_q
.
start
;
iadev
->
tx_dle_q
.
end
=
(
struct
dle
*
)((
u32
)
dle_addr
+
sizeof
(
struct
dle
)
*
DLE_ENTRIES
);
/* write the upper 20 bits of the start address to tx list address register */
writel
(
virt_to_bus
(
dle_addr
)
&
0xfffff000
,
iadev
->
dma
+
IPHASE5575_TX_LIST_ADDR
);
writel
(
iadev
->
tx_dle_dma
&
0xfffff000
,
iadev
->
dma
+
IPHASE5575_TX_LIST_ADDR
);
writew
(
0xffff
,
iadev
->
seg_reg
+
SEG_MASK_REG
);
writew
(
0
,
iadev
->
seg_reg
+
MODE_REG_0
);
writew
(
RESET_SEG
,
iadev
->
seg_reg
+
SEG_COMMAND_REG
);
...
...
@@ -1955,26 +1960,29 @@ static int tx_init(struct atm_dev *dev)
buf_desc_ptr
++
;
tx_pkt_start
+=
iadev
->
tx_buf_sz
;
}
iadev
->
tx_buf
=
kmalloc
(
iadev
->
num_tx_desc
*
sizeof
(
caddr_t
),
GFP_KERNEL
);
iadev
->
tx_buf
=
kmalloc
(
iadev
->
num_tx_desc
*
sizeof
(
struct
cpcs_trailer_desc
),
GFP_KERNEL
);
if
(
!
iadev
->
tx_buf
)
{
printk
(
KERN_ERR
DEV_LABEL
" couldn't get mem
\n
"
);
return
-
EAGAIN
;
goto
err_free_dle
;
}
for
(
i
=
0
;
i
<
iadev
->
num_tx_desc
;
i
++
)
{
struct
cpcs_trailer
*
cpcs
;
iadev
->
tx_buf
[
i
]
=
kmalloc
(
sizeof
(
struct
cpcs_trailer
),
GFP_KERNEL
|
GFP_DMA
);
if
(
!
iadev
->
tx_buf
[
i
])
{
cpcs
=
kmalloc
(
sizeof
(
*
cpcs
),
GFP_KERNEL
|
GFP_DMA
);
if
(
!
cpcs
)
{
printk
(
KERN_ERR
DEV_LABEL
" couldn't get freepage
\n
"
);
return
-
EAGAIN
;
goto
err_free_tx_bufs
;
}
iadev
->
tx_buf
[
i
].
cpcs
=
cpcs
;
iadev
->
tx_buf
[
i
].
dma_addr
=
pci_map_single
(
iadev
->
pci
,
cpcs
,
sizeof
(
*
cpcs
),
PCI_DMA_TODEVICE
);
}
iadev
->
desc_tbl
=
kmalloc
(
iadev
->
num_tx_desc
*
sizeof
(
struct
desc_tbl_t
),
GFP_KERNEL
);
if
(
!
iadev
->
desc_tbl
)
{
printk
(
KERN_ERR
DEV_LABEL
" couldn't get mem
\n
"
);
return
-
EAGAIN
;
goto
err_free_all_tx_bufs
;
}
/* Communication Queues base address */
...
...
@@ -2103,7 +2111,7 @@ static int tx_init(struct atm_dev *dev)
iadev
->
testTable
=
kmalloc
(
sizeof
(
long
)
*
iadev
->
num_vc
,
GFP_KERNEL
);
if
(
!
iadev
->
testTable
)
{
printk
(
"Get freepage failed
\n
"
);
return
-
EAGAIN
;
goto
err_free_desc_tbl
;
}
for
(
i
=
0
;
i
<
iadev
->
num_vc
;
i
++
)
{
...
...
@@ -2112,7 +2120,7 @@ static int tx_init(struct atm_dev *dev)
iadev
->
testTable
[
i
]
=
kmalloc
(
sizeof
(
struct
testTable_t
),
GFP_KERNEL
);
if
(
!
iadev
->
testTable
[
i
])
return
-
ENOMEM
;
goto
err_free_test_tables
;
iadev
->
testTable
[
i
]
->
lastTime
=
0
;
iadev
->
testTable
[
i
]
->
fract
=
0
;
iadev
->
testTable
[
i
]
->
vc_status
=
VC_UBR
;
...
...
@@ -2164,6 +2172,29 @@ static int tx_init(struct atm_dev *dev)
iadev
->
rate_limit
=
iadev
->
LineRate
/
3
;
return
0
;
err_free_test_tables:
while
(
--
i
>=
0
)
kfree
(
iadev
->
testTable
[
i
]);
kfree
(
iadev
->
testTable
);
err_free_desc_tbl:
kfree
(
iadev
->
desc_tbl
);
err_free_all_tx_bufs:
i
=
iadev
->
num_tx_desc
;
err_free_tx_bufs:
while
(
--
i
>=
0
)
{
struct
cpcs_trailer_desc
*
desc
=
iadev
->
tx_buf
+
i
;
pci_unmap_single
(
iadev
->
pci
,
desc
->
dma_addr
,
sizeof
(
*
desc
->
cpcs
),
PCI_DMA_TODEVICE
);
kfree
(
desc
->
cpcs
);
}
kfree
(
iadev
->
tx_buf
);
err_free_dle:
pci_free_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
iadev
->
tx_dle_q
.
start
,
iadev
->
tx_dle_dma
);
err_out:
return
-
ENOMEM
;
}
static
void
ia_int
(
int
irq
,
void
*
dev_id
,
struct
pt_regs
*
regs
)
...
...
@@ -2421,10 +2452,37 @@ static unsigned char ia_phy_get(struct atm_dev *dev, unsigned long addr)
return
readl
(
INPH_IA_DEV
(
dev
)
->
phy
+
addr
);
}
static
void
ia_free_tx
(
IADEV
*
iadev
)
{
int
i
;
kfree
(
iadev
->
desc_tbl
);
for
(
i
=
0
;
i
<
iadev
->
num_vc
;
i
++
)
kfree
(
iadev
->
testTable
[
i
]);
kfree
(
iadev
->
testTable
);
for
(
i
=
0
;
i
<
iadev
->
num_tx_desc
;
i
++
)
{
struct
cpcs_trailer_desc
*
desc
=
iadev
->
tx_buf
+
i
;
pci_unmap_single
(
iadev
->
pci
,
desc
->
dma_addr
,
sizeof
(
*
desc
->
cpcs
),
PCI_DMA_TODEVICE
);
kfree
(
desc
->
cpcs
);
}
kfree
(
iadev
->
tx_buf
);
pci_free_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
iadev
->
tx_dle_q
.
start
,
iadev
->
tx_dle_dma
);
}
static
void
ia_free_rx
(
IADEV
*
iadev
)
{
kfree
(
iadev
->
rx_open
);
pci_free_consistent
(
iadev
->
pci
,
DLE_TOTAL_SIZE
,
iadev
->
rx_dle_q
.
start
,
iadev
->
rx_dle_dma
);
}
static
int
__init
ia_start
(
struct
atm_dev
*
dev
)
{
IADEV
*
iadev
;
int
error
=
1
;
int
error
;
unsigned
char
phy
;
u32
ctrl_reg
;
IF_EVENT
(
printk
(
">ia_start
\n
"
);)
...
...
@@ -2432,7 +2490,8 @@ static int __init ia_start(struct atm_dev *dev)
if
(
request_irq
(
iadev
->
irq
,
&
ia_int
,
SA_SHIRQ
,
DEV_LABEL
,
dev
))
{
printk
(
KERN_ERR
DEV_LABEL
"(itf %d): IRQ%d is already in use
\n
"
,
dev
->
number
,
iadev
->
irq
);
return
-
EAGAIN
;
error
=
-
EAGAIN
;
goto
err_out
;
}
/* @@@ should release IRQ on error */
/* enabling memory + master */
...
...
@@ -2442,8 +2501,8 @@ static int __init ia_start(struct atm_dev *dev)
{
printk
(
KERN_ERR
DEV_LABEL
"(itf %d): can't enable memory+"
"master (0x%x)
\n
"
,
dev
->
number
,
error
);
free_irq
(
iadev
->
irq
,
dev
);
return
-
EIO
;
error
=
-
EIO
;
goto
err_free_irq
;
}
udelay
(
10
);
...
...
@@ -2477,15 +2536,11 @@ static int __init ia_start(struct atm_dev *dev)
ia_hw_type
(
iadev
);
error
=
tx_init
(
dev
);
if
(
error
)
{
free_irq
(
iadev
->
irq
,
dev
);
return
error
;
}
if
(
error
)
goto
err_free_irq
;
error
=
rx_init
(
dev
);
if
(
error
)
{
free_irq
(
iadev
->
irq
,
dev
);
return
error
;
}
if
(
error
)
goto
err_free_tx
;
ctrl_reg
=
readl
(
iadev
->
reg
+
IPHASE5575_BUS_CONTROL_REG
);
writel
(
ctrl_reg
|
CTRL_FE_RST
,
iadev
->
reg
+
IPHASE5575_BUS_CONTROL_REG
);
...
...
@@ -2498,35 +2553,38 @@ static int __init ia_start(struct atm_dev *dev)
else
printk
(
"IA: utopia,rev.%0x
\n
"
,
phy
);)
if
(
iadev
->
phy_type
&
FE_25MBIT_PHY
)
{
if
(
iadev
->
phy_type
&
FE_25MBIT_PHY
)
ia_mb25_init
(
iadev
);
return
0
;
}
if
(
iadev
->
phy_type
&
(
FE_DS3_PHY
|
FE_E3_PHY
))
{
else
if
(
iadev
->
phy_type
&
(
FE_DS3_PHY
|
FE_E3_PHY
))
ia_suni_pm7345_init
(
iadev
);
return
0
;
}
else
{
error
=
suni_init
(
dev
);
if
(
error
)
{
free_irq
(
iadev
->
irq
,
dev
);
return
error
;
}
/* Enable interrupt on loss of signal SUNI_RSOP_CIE 0x10
SUNI_RSOP_CIE_LOSE - 0x04
if
(
error
)
goto
err_free_rx
;
/*
* Enable interrupt on loss of signal
* SUNI_RSOP_CIE - 0x10
* SUNI_RSOP_CIE_LOSE - 0x04
*/
ia_phy_put
(
dev
,
ia_phy_get
(
dev
,
0x10
)
|
0x04
,
0x10
);
#if
0
ia_phy_put
(
dev
,
ia_phy_get
(
dev
,
0x10
)
|
0x04
,
0x10
);
#if
ndef MODULE
error
=
dev
->
phy
->
start
(
dev
);
if (error) {
free_irq(iadev->irq, dev);
return error;
}
if
(
error
)
goto
err_free_rx
;
#endif
/* Get iadev->carrier_detect status */
IaFrontEndIntr
(
iadev
);
}
return
0
;
err_free_rx:
ia_free_rx
(
iadev
);
err_free_tx:
ia_free_tx
(
iadev
);
err_free_irq:
free_irq
(
iadev
->
irq
,
dev
);
err_out:
return
error
;
}
static
void
ia_close
(
struct
atm_vcc
*
vcc
)
...
...
@@ -2835,10 +2893,10 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
struct
tx_buf_desc
*
buf_desc_ptr
;
int
desc
;
int
comp_code
;
unsigned
int
addr
;
int
total_len
,
pad
,
last
;
struct
cpcs_trailer
*
trailer
;
struct
ia_vcc
*
iavcc
;
iadev
=
INPH_IA_DEV
(
vcc
->
dev
);
iavcc
=
INPH_IA_VCC
(
vcc
);
if
(
!
iavcc
->
txing
)
{
...
...
@@ -2923,13 +2981,9 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
IF_TX
(
printk
(
"ia packet len:%d padding:%d
\n
"
,
total_len
,
pad
);)
/* Put the packet in a tx buffer */
if
(
!
iadev
->
tx_buf
[
desc
-
1
])
printk
(
"couldn't get free page
\n
"
);
trailer
=
iadev
->
tx_buf
[
desc
-
1
].
cpcs
;
IF_TX
(
printk
(
"Sent: skb = 0x%x skb->data: 0x%x len: %d, desc: %d
\n
"
,
(
u32
)
skb
,
(
u32
)
skb
->
data
,
skb
->
len
,
desc
);)
addr
=
virt_to_bus
(
skb
->
data
);
trailer
=
(
struct
cpcs_trailer
*
)
iadev
->
tx_buf
[
desc
-
1
];
trailer
->
control
=
0
;
/*big endian*/
trailer
->
length
=
((
skb
->
len
&
0xff
)
<<
8
)
|
((
skb
->
len
&
0xff00
)
>>
8
);
...
...
@@ -2945,6 +2999,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
buf_desc_ptr
=
(
struct
tx_buf_desc
*
)(
iadev
->
seg_ram
+
TX_DESC_BASE
);
buf_desc_ptr
+=
desc
;
/* points to the corresponding entry */
buf_desc_ptr
->
desc_mode
=
AAL5
|
EOM_EN
|
APP_CRC32
|
CMPL_INT
;
/* Huh ? p.115 of users guide describes this as a read-only register */
writew
(
TRANSMIT_DONE
,
iadev
->
seg_reg
+
SEG_INTR_STATUS_REG
);
buf_desc_ptr
->
vc_index
=
vcc
->
vci
;
buf_desc_ptr
->
bytes
=
total_len
;
...
...
@@ -2955,7 +3010,8 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
/* Build the DLE structure */
wr_ptr
=
iadev
->
tx_dle_q
.
write
;
memset
((
caddr_t
)
wr_ptr
,
0
,
sizeof
(
*
wr_ptr
));
wr_ptr
->
sys_pkt_addr
=
addr
;
wr_ptr
->
sys_pkt_addr
=
pci_map_single
(
iadev
->
pci
,
skb
->
data
,
skb
->
len
,
PCI_DMA_TODEVICE
);
wr_ptr
->
local_pkt_addr
=
(
buf_desc_ptr
->
buf_start_hi
<<
16
)
|
buf_desc_ptr
->
buf_start_lo
;
/* wr_ptr->bytes = swap(total_len); didn't seem to affect ?? */
...
...
@@ -2973,7 +3029,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
wr_ptr
=
iadev
->
tx_dle_q
.
start
;
/* Build trailer dle */
wr_ptr
->
sys_pkt_addr
=
virt_to_bus
(
iadev
->
tx_buf
[
desc
-
1
])
;
wr_ptr
->
sys_pkt_addr
=
iadev
->
tx_buf
[
desc
-
1
].
dma_addr
;
wr_ptr
->
local_pkt_addr
=
((
buf_desc_ptr
->
buf_start_hi
<<
16
)
|
buf_desc_ptr
->
buf_start_lo
)
+
total_len
-
sizeof
(
struct
cpcs_trailer
);
...
...
@@ -3124,128 +3180,130 @@ static const struct atmdev_ops ops = {
.
owner
=
THIS_MODULE
,
};
static
int
__init
ia_detect
(
void
)
static
int
__devinit
ia_init_one
(
struct
pci_dev
*
pdev
,
const
struct
pci_device_id
*
ent
)
{
struct
atm_dev
*
dev
;
IADEV
*
iadev
;
unsigned
long
flags
;
int
index
=
0
;
struct
pci_dev
*
prev_dev
;
if
(
!
pci_present
())
{
printk
(
KERN_ERR
DEV_LABEL
" driver but no PCI BIOS ?
\n
"
);
return
0
;
}
int
ret
;
iadev
=
kmalloc
(
sizeof
(
*
iadev
),
GFP_KERNEL
);
if
(
!
iadev
)
return
-
ENOMEM
;
memset
((
char
*
)
iadev
,
0
,
sizeof
(
*
iadev
));
prev_dev
=
NULL
;
while
((
iadev
->
pci
=
pci_find_device
(
PCI_VENDOR_ID_IPHASE
,
PCI_DEVICE_ID_IPHASE_5575
,
prev_dev
)))
{
if
(
!
iadev
)
{
ret
=
-
ENOMEM
;
goto
err_out
;
}
memset
(
iadev
,
0
,
sizeof
(
*
iadev
));
iadev
->
pci
=
pdev
;
IF_INIT
(
printk
(
"ia detected at bus:%d dev: %d function:%d
\n
"
,
iadev
->
pci
->
bus
->
number
,
PCI_SLOT
(
iadev
->
pci
->
devfn
),
PCI_FUNC
(
iadev
->
pci
->
devfn
));)
if
(
pci_enable_device
(
iadev
->
pci
))
break
;
pdev
->
bus
->
number
,
PCI_SLOT
(
pdev
->
devfn
),
PCI_FUNC
(
pdev
->
devfn
));)
if
(
pci_enable_device
(
pdev
))
{
ret
=
-
ENODEV
;
goto
err_out_free_iadev
;
}
dev
=
atm_dev_register
(
DEV_LABEL
,
&
ops
,
-
1
,
NULL
);
if
(
!
dev
)
break
;
IF_INIT
(
printk
(
DEV_LABEL
"registered at (itf :%d)
\n
"
,
dev
->
number
);)
if
(
!
dev
)
{
ret
=
-
ENOMEM
;
goto
err_out_disable_dev
;
}
INPH_IA_DEV
(
dev
)
=
iadev
;
// TODO: multi_board using ia_boards logic in cleanup_module
ia_dev
[
index
]
=
iadev
;
_ia_dev
[
index
]
=
dev
;
IF_INIT
(
printk
(
"dev_id = 0x%x iadev->LineRate = %d
\n
"
,
(
u32
)
dev
,
iadev
->
LineRate
);)
IF_INIT
(
printk
(
DEV_LABEL
"registered at (itf :%d)
\n
"
,
dev
->
number
);)
IF_INIT
(
printk
(
"dev_id = 0x%x iadev->LineRate = %d
\n
"
,
(
u32
)
dev
,
iadev
->
LineRate
);)
ia_dev
[
iadev_count
]
=
iadev
;
_ia_dev
[
iadev_count
]
=
dev
;
iadev_count
++
;
spin_lock_init
(
&
iadev
->
misc_lock
);
/* First fixes first. I don't want to think about this now. */
spin_lock_irqsave
(
&
iadev
->
misc_lock
,
flags
);
if
(
ia_init
(
dev
)
||
ia_start
(
dev
))
{
atm_dev_deregister
(
dev
);
IF_INIT
(
printk
(
"IA register failed!
\n
"
);)
ia_dev
[
index
]
=
NULL
;
_ia_dev
[
index
]
=
NULL
;
iadev_count
--
;
ia_dev
[
iadev_count
]
=
NULL
;
_ia_dev
[
iadev_count
]
=
NULL
;
spin_unlock_irqrestore
(
&
iadev
->
misc_lock
,
flags
);
return
-
EINVAL
;
ret
=
-
EINVAL
;
goto
err_out_deregister_dev
;
}
spin_unlock_irqrestore
(
&
iadev
->
misc_lock
,
flags
);
IF_EVENT
(
printk
(
"iadev_count = %d
\n
"
,
iadev_count
);)
prev_dev
=
iadev
->
pci
;
iadev
->
next_board
=
ia_boards
;
ia_boards
=
dev
;
iadev
=
kmalloc
(
sizeof
(
*
iadev
),
GFP_KERNEL
);
if
(
!
iadev
)
break
;
memset
((
char
*
)
iadev
,
0
,
sizeof
(
*
iadev
));
index
++
;
dev
=
NULL
;
}
return
index
;
}
static
int
__init
ia_module_init
(
void
)
{
IF_EVENT
(
printk
(
">ia init_module
\n
"
);)
if
(
!
ia_detect
())
{
printk
(
KERN_ERR
DEV_LABEL
": no adapter found
\n
"
);
return
-
ENXIO
;
}
ia_timer
.
expires
=
jiffies
+
3
*
HZ
;
add_timer
(
&
ia_timer
);
pci_set_drvdata
(
pdev
,
dev
);
return
0
;
}
err_out_deregister_dev:
atm_dev_deregister
(
dev
);
err_out_disable_dev:
pci_disable_device
(
pdev
);
err_out_free_iadev:
kfree
(
iadev
);
err_out:
return
ret
;
}
static
void
__
exit
ia_module_exit
(
void
)
static
void
__
devexit
ia_remove_one
(
struct
pci_dev
*
pdev
)
{
struct
atm_dev
*
dev
;
IADEV
*
iadev
;
unsigned
short
command
;
int
i
,
j
=
0
;
IF_EVENT
(
printk
(
">ia cleanup_module
\n
"
);)
if
(
MOD_IN_USE
)
printk
(
"ia: module in use
\n
"
);
del_timer
(
&
ia_timer
);
while
(
ia_dev
[
j
])
{
dev
=
ia_boards
;
iadev
=
INPH_IA_DEV
(
dev
);
ia_boards
=
iadev
->
next_board
;
struct
atm_dev
*
dev
=
pci_get_drvdata
(
pdev
);
IADEV
*
iadev
=
INPH_IA_DEV
(
dev
);
/* disable interrupt of lost signal */
ia_phy_put
(
dev
,
ia_phy_get
(
dev
,
0x10
)
&
~
(
0x4
),
0x10
);
udelay
(
1
);
/* De-register device */
free_irq
(
iadev
->
irq
,
dev
);
iadev_count
--
;
ia_dev
[
iadev_count
]
=
NULL
;
_ia_dev
[
iadev_count
]
=
NULL
;
atm_dev_deregister
(
dev
);
IF_EVENT
(
printk
(
"iav deregistered at (itf:%d)
\n
"
,
dev
->
number
);)
for
(
i
=
0
;
i
<
iadev
->
num_tx_desc
;
i
++
)
kfree
(
iadev
->
tx_buf
[
i
]);
kfree
(
iadev
->
tx_buf
);
/* Disable memory mapping and busmastering */
if
(
pci_read_config_word
(
iadev
->
pci
,
PCI_COMMAND
,
&
command
)
!=
0
)
{
printk
(
"ia: can't read PCI_COMMAND.
\n
"
);
}
command
&=
~
(
PCI_COMMAND_MEMORY
|
PCI_COMMAND_MASTER
);
if
(
pci_write_config_word
(
iadev
->
pci
,
PCI_COMMAND
,
command
)
!=
0
)
{
printk
(
"ia: can't write PCI_COMMAND.
\n
"
);
}
free_irq
(
iadev
->
irq
,
dev
);
iounmap
((
void
*
)
iadev
->
base
);
pci_disable_device
(
pdev
);
ia_free_rx
(
iadev
);
ia_free_tx
(
iadev
);
kfree
(
iadev
);
j
++
;
}
/* and voila whatever we tried seems to work. I don't know if it will
fix suni errors though. Really doubt that. */
for
(
i
=
0
;
i
<
8
;
i
++
)
{
ia_dev
[
i
]
=
NULL
;
_ia_dev
[
i
]
=
NULL
;
}
}
static
struct
pci_device_id
ia_pci_tbl
[]
__devinitdata
=
{
{
PCI_VENDOR_ID_IPHASE
,
0x0008
,
PCI_ANY_ID
,
PCI_ANY_ID
,
},
{
PCI_VENDOR_ID_IPHASE
,
0x0009
,
PCI_ANY_ID
,
PCI_ANY_ID
,
},
{
0
,}
};
MODULE_DEVICE_TABLE
(
pci
,
ia_pci_tbl
);
static
struct
pci_driver
ia_driver
=
{
.
name
=
DEV_LABEL
,
.
id_table
=
ia_pci_tbl
,
.
probe
=
ia_init_one
,
.
remove
=
ia_remove_one
,
};
static
int
__init
ia_module_init
(
void
)
{
int
ret
;
ret
=
pci_module_init
(
&
ia_driver
);
if
(
ret
>=
0
)
{
ia_timer
.
expires
=
jiffies
+
3
*
HZ
;
add_timer
(
&
ia_timer
);
}
else
printk
(
KERN_ERR
DEV_LABEL
": no adapter found
\n
"
);
return
ret
;
}
static
void
__exit
ia_module_exit
(
void
)
{
pci_unregister_driver
(
&
ia_driver
);
del_timer
(
&
ia_timer
);
}
module_init
(
ia_module_init
);
...
...
drivers/atm/iphase.h
View file @
6d23b118
...
...
@@ -201,6 +201,12 @@ struct cpcs_trailer
u_int
crc32
;
};
struct
cpcs_trailer_desc
{
struct
cpcs_trailer
*
cpcs
;
dma_addr_t
dma_addr
;
};
struct
ia_vcc
{
int
rxing
;
...
...
@@ -272,6 +278,7 @@ struct ext_vc
#define DLE_ENTRIES 256
#define DMA_INT_ENABLE 0x0002
/* use for both Tx and Rx */
#define TX_DLE_PSI 0x0001
#define DLE_TOTAL_SIZE (sizeof(struct dle)*DLE_ENTRIES)
/* Descriptor List Entries (DLE) */
struct
dle
...
...
@@ -1017,7 +1024,7 @@ typedef struct iadev_t {
struct
wait_queue
*
close_wait
;
struct
wait_queue
*
timeout_wait
;
#endif
caddr_t
*
tx_buf
;
struct
cpcs_trailer_desc
*
tx_buf
;
u16
num_tx_desc
,
tx_buf_sz
,
rate_limit
;
u32
tx_cell_cnt
,
tx_pkt_cnt
;
u32
MAIN_VC_TABLE_ADDR
,
EXT_VC_TABLE_ADDR
,
ABR_SCHED_TABLE_ADDR
;
...
...
@@ -1063,6 +1070,8 @@ typedef struct iadev_t {
struct
desc_tbl_t
*
desc_tbl
;
u_short
host_tcq_wr
;
struct
testTable_t
**
testTable
;
dma_addr_t
tx_dle_dma
;
dma_addr_t
rx_dle_dma
;
}
IADEV
;
...
...
drivers/atm/lanai.c
View file @
6d23b118
...
...
@@ -2108,8 +2108,7 @@ static inline int __init lanai_pci_start(struct lanai_dev *lanai)
}
result
=
pci_read_config_word
(
pci
,
PCI_SUBSYSTEM_ID
,
&
w
);
if
(
result
!=
PCIBIOS_SUCCESSFUL
)
{
printk
(
KERN_ERR
DEV_LABEL
"(itf %d): can't read ""
PCI_SUBSYSTEM_ID: %d
\n
"
,
lanai
->
number
,
result
);
printk
(
KERN_ERR
DEV_LABEL
"(itf %d): can't read PCI_SUBSYSTEM_ID: %d
\n
"
,
lanai
->
number
,
result
);
return
-
EINVAL
;
}
if
((
result
=
check_board_id_and_rev
(
"PCI"
,
w
,
NULL
))
!=
0
)
...
...
drivers/atm/zatm.c
View file @
6d23b118
...
...
@@ -1260,13 +1260,13 @@ static void zatm_int(int irq,void *dev_id,struct pt_regs *regs)
/* don't handle RD */
if
(
reason
&
uPD98401_INT_SPE
)
printk
(
KERN_ALERT
DEV_LABEL
"(itf %d): system parity "
"error at 0x%08x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
"error at 0x%08
l
x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
if
(
reason
&
uPD98401_INT_CPE
)
printk
(
KERN_ALERT
DEV_LABEL
"(itf %d): control memory "
"parity error at 0x%08x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
"parity error at 0x%08
l
x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
if
(
reason
&
uPD98401_INT_SBE
)
{
printk
(
KERN_ALERT
DEV_LABEL
"(itf %d): system bus "
"error at 0x%08x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
"error at 0x%08
l
x
\n
"
,
dev
->
number
,
zin
(
ADDR
));
event_dump
();
}
/* don't handle IND */
...
...
@@ -1448,7 +1448,7 @@ static int __init zatm_init(struct atm_dev *dev)
}
while
(
t0
>
t1
||
t1
>
t2
);
/* loop if wrapping ... */
zatm_dev
->
khz
=
t2
-
2
*
t1
+
t0
;
printk
(
KERN_NOTICE
DEV_LABEL
"(itf %d): uPD98401 %
d.%
d at %d.%03d "
printk
(
KERN_NOTICE
DEV_LABEL
"(itf %d): uPD98401 %
ld.%l
d at %d.%03d "
"MHz
\n
"
,
dev
->
number
,
(
zin
(
VER
)
&
uPD98401_MAJOR
)
>>
uPD98401_MAJOR_SHIFT
,
zin
(
VER
)
&
uPD98401_MINOR
,
zatm_dev
->
khz
/
1000
,
zatm_dev
->
khz
%
1000
);
...
...
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