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Kirill Smelkov
linux
Commits
2f1efd68
Commit
2f1efd68
authored
Sep 30, 2002
by
Kai Germaschewski
Browse files
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Plain Diff
ISDN: More moving of per-channel stuff into isdn_net_dev
parent
65c9ec4d
Changes
5
Show whitespace changes
Inline
Side-by-side
Showing
5 changed files
with
130 additions
and
106 deletions
+130
-106
drivers/isdn/i4l/isdn_ciscohdlck.c
drivers/isdn/i4l/isdn_ciscohdlck.c
+6
-4
drivers/isdn/i4l/isdn_net.c
drivers/isdn/i4l/isdn_net.c
+78
-65
drivers/isdn/i4l/isdn_net.h
drivers/isdn/i4l/isdn_net.h
+27
-16
drivers/isdn/i4l/isdn_ppp.c
drivers/isdn/i4l/isdn_ppp.c
+8
-10
include/linux/isdn.h
include/linux/isdn.h
+11
-11
No files found.
drivers/isdn/i4l/isdn_ciscohdlck.c
View file @
2f1efd68
...
@@ -164,7 +164,7 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
...
@@ -164,7 +164,7 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
p
+=
put_u32
(
p
,
lp
->
cisco_yourseq
);
p
+=
put_u32
(
p
,
lp
->
cisco_yourseq
);
p
+=
put_u16
(
p
,
0xffff
);
// reliablity, always 0xffff
p
+=
put_u16
(
p
,
0xffff
);
// reliablity, always 0xffff
isdn_net_write_super
(
lp
,
skb
);
isdn_net_write_super
(
idev
,
skb
);
lp
->
cisco_timer
.
expires
=
jiffies
+
lp
->
cisco_keepalive_period
*
HZ
;
lp
->
cisco_timer
.
expires
=
jiffies
+
lp
->
cisco_keepalive_period
*
HZ
;
...
@@ -174,6 +174,7 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
...
@@ -174,6 +174,7 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data)
static
void
static
void
isdn_net_ciscohdlck_slarp_send_request
(
isdn_net_local
*
lp
)
isdn_net_ciscohdlck_slarp_send_request
(
isdn_net_local
*
lp
)
{
{
isdn_net_dev
*
idev
=
lp
->
netdev
;
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
unsigned
char
*
p
;
unsigned
char
*
p
;
...
@@ -194,7 +195,7 @@ isdn_net_ciscohdlck_slarp_send_request(isdn_net_local *lp)
...
@@ -194,7 +195,7 @@ isdn_net_ciscohdlck_slarp_send_request(isdn_net_local *lp)
p
+=
put_u32
(
p
,
0
);
// netmask
p
+=
put_u32
(
p
,
0
);
// netmask
p
+=
put_u16
(
p
,
0
);
// unused
p
+=
put_u16
(
p
,
0
);
// unused
isdn_net_write_super
(
lp
,
skb
);
isdn_net_write_super
(
idev
,
skb
);
}
}
static
void
static
void
...
@@ -218,7 +219,7 @@ isdn_ciscohdlck_connected(isdn_net_local *lp)
...
@@ -218,7 +219,7 @@ isdn_ciscohdlck_connected(isdn_net_local *lp)
lp
->
cisco_timer
.
expires
=
jiffies
+
lp
->
cisco_keepalive_period
*
HZ
;
lp
->
cisco_timer
.
expires
=
jiffies
+
lp
->
cisco_keepalive_period
*
HZ
;
add_timer
(
&
lp
->
cisco_timer
);
add_timer
(
&
lp
->
cisco_timer
);
}
}
isdn_net_dev
ice_wake_queue
(
lp
);
isdn_net_dev
_wake_queue
(
lp
->
netdev
);
}
}
static
void
static
void
...
@@ -232,6 +233,7 @@ isdn_ciscohdlck_disconnected(isdn_net_local *lp)
...
@@ -232,6 +233,7 @@ isdn_ciscohdlck_disconnected(isdn_net_local *lp)
static
void
static
void
isdn_net_ciscohdlck_slarp_send_reply
(
isdn_net_local
*
lp
)
isdn_net_ciscohdlck_slarp_send_reply
(
isdn_net_local
*
lp
)
{
{
isdn_net_dev
*
idev
=
lp
->
netdev
;
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
unsigned
char
*
p
;
unsigned
char
*
p
;
struct
in_device
*
in_dev
=
NULL
;
struct
in_device
*
in_dev
=
NULL
;
...
@@ -265,7 +267,7 @@ isdn_net_ciscohdlck_slarp_send_reply(isdn_net_local *lp)
...
@@ -265,7 +267,7 @@ isdn_net_ciscohdlck_slarp_send_reply(isdn_net_local *lp)
p
+=
put_u32
(
p
,
mask
);
// netmask
p
+=
put_u32
(
p
,
mask
);
// netmask
p
+=
put_u16
(
p
,
0
);
// unused
p
+=
put_u16
(
p
,
0
);
// unused
isdn_net_write_super
(
lp
,
skb
);
isdn_net_write_super
(
idev
,
skb
);
}
}
static
void
static
void
...
...
drivers/isdn/i4l/isdn_net.c
View file @
2f1efd68
...
@@ -92,7 +92,8 @@ LIST_HEAD(isdn_net_devs); /* Linked list of isdn_net_dev's */
...
@@ -92,7 +92,8 @@ LIST_HEAD(isdn_net_devs); /* Linked list of isdn_net_dev's */
* Find out if the netdevice has been ifup-ed yet.
* Find out if the netdevice has been ifup-ed yet.
* For slaves, look at the corresponding master.
* For slaves, look at the corresponding master.
*/
*/
static
__inline__
int
isdn_net_device_started
(
isdn_net_dev
*
n
)
static
inline
int
isdn_net_device_started
(
isdn_net_dev
*
n
)
{
{
isdn_net_local
*
lp
=
&
n
->
local
;
isdn_net_local
*
lp
=
&
n
->
local
;
struct
net_device
*
dev
;
struct
net_device
*
dev
;
...
@@ -108,8 +109,11 @@ static __inline__ int isdn_net_device_started(isdn_net_dev *n)
...
@@ -108,8 +109,11 @@ static __inline__ int isdn_net_device_started(isdn_net_dev *n)
* stop the network -> net_device queue.
* stop the network -> net_device queue.
* For slaves, stop the corresponding master interface.
* For slaves, stop the corresponding master interface.
*/
*/
static
__inline__
void
isdn_net_device_stop_queue
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_dev_stop_queue
(
isdn_net_dev
*
idev
)
{
{
isdn_net_local
*
lp
=
&
idev
->
local
;
if
(
lp
->
master
)
if
(
lp
->
master
)
netif_stop_queue
(
lp
->
master
);
netif_stop_queue
(
lp
->
master
);
else
else
...
@@ -121,15 +125,18 @@ static __inline__ void isdn_net_device_stop_queue(isdn_net_local *lp)
...
@@ -121,15 +125,18 @@ static __inline__ void isdn_net_device_stop_queue(isdn_net_local *lp)
* master or slave) is busy. It's busy iff all (master and slave)
* master or slave) is busy. It's busy iff all (master and slave)
* queues are busy
* queues are busy
*/
*/
static
__inline__
int
isdn_net_device_busy
(
isdn_net_local
*
lp
)
static
inline
int
isdn_net_device_busy
(
isdn_net_dev
*
idev
)
{
{
isdn_net_local
*
nlp
;
isdn_net_local
*
lp
,
*
nlp
;
isdn_net_dev
*
nd
;
isdn_net_dev
*
nd
;
unsigned
long
flags
;
unsigned
long
flags
;
if
(
!
isdn_net_
lp_busy
(
lp
))
if
(
!
isdn_net_
dev_busy
(
idev
))
return
0
;
return
0
;
lp
=
&
idev
->
local
;
if
(
lp
->
master
)
if
(
lp
->
master
)
nd
=
((
isdn_net_local
*
)
lp
->
master
->
priv
)
->
netdev
;
nd
=
((
isdn_net_local
*
)
lp
->
master
->
priv
)
->
netdev
;
else
else
...
@@ -138,7 +145,7 @@ static __inline__ int isdn_net_device_busy(isdn_net_local *lp)
...
@@ -138,7 +145,7 @@ static __inline__ int isdn_net_device_busy(isdn_net_local *lp)
spin_lock_irqsave
(
&
nd
->
queue_lock
,
flags
);
spin_lock_irqsave
(
&
nd
->
queue_lock
,
flags
);
nlp
=
lp
->
next
;
nlp
=
lp
->
next
;
while
(
nlp
!=
lp
)
{
while
(
nlp
!=
lp
)
{
if
(
!
isdn_net_
lp_busy
(
nlp
))
{
if
(
!
isdn_net_
dev_busy
(
nlp
->
netdev
))
{
spin_unlock_irqrestore
(
&
nd
->
queue_lock
,
flags
);
spin_unlock_irqrestore
(
&
nd
->
queue_lock
,
flags
);
return
0
;
return
0
;
}
}
...
@@ -148,30 +155,33 @@ static __inline__ int isdn_net_device_busy(isdn_net_local *lp)
...
@@ -148,30 +155,33 @@ static __inline__ int isdn_net_device_busy(isdn_net_local *lp)
return
1
;
return
1
;
}
}
static
__inline__
void
isdn_net_inc_frame_cnt
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_inc_frame_cnt
(
isdn_net_dev
*
idev
)
{
{
atomic_inc
(
&
lp
->
frame_cnt
);
atomic_inc
(
&
idev
->
frame_cnt
);
if
(
isdn_net_device_busy
(
lp
))
if
(
isdn_net_device_busy
(
idev
))
isdn_net_dev
ice_stop_queue
(
lp
);
isdn_net_dev
_stop_queue
(
idev
);
}
}
static
__inline__
void
isdn_net_dec_frame_cnt
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_dec_frame_cnt
(
isdn_net_dev
*
idev
)
{
{
atomic_dec
(
&
lp
->
frame_cnt
);
atomic_dec
(
&
idev
->
frame_cnt
);
if
(
!
(
isdn_net_device_busy
(
lp
)))
{
if
(
!
(
isdn_net_device_busy
(
idev
)))
{
if
(
!
skb_queue_empty
(
&
lp
->
super_tx_queue
))
{
if
(
!
skb_queue_empty
(
&
idev
->
super_tx_queue
))
{
queue_task
(
&
lp
->
tqueue
,
&
tq_immediate
);
queue_task
(
&
idev
->
tqueue
,
&
tq_immediate
);
mark_bh
(
IMMEDIATE_BH
);
mark_bh
(
IMMEDIATE_BH
);
}
else
{
}
else
{
isdn_net_dev
ice_wake_queue
(
lp
);
isdn_net_dev
_wake_queue
(
idev
);
}
}
}
}
}
}
static
__inline__
void
isdn_net_zero_frame_cnt
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_zero_frame_cnt
(
isdn_net_dev
*
idev
)
{
{
atomic_set
(
&
lp
->
frame_cnt
,
0
);
atomic_set
(
&
idev
->
frame_cnt
,
0
);
}
}
/* For 2.2.x we leave the transmitter busy timeout at 2 secs, just
/* For 2.2.x we leave the transmitter busy timeout at 2 secs, just
...
@@ -208,7 +218,7 @@ int isdn_net_online(isdn_net_dev *idev)
...
@@ -208,7 +218,7 @@ int isdn_net_online(isdn_net_dev *idev)
/* Prototypes */
/* Prototypes */
static
int
isdn_net_force_dial_
lp
(
isdn_net_local
*
);
static
int
isdn_net_force_dial_
idev
(
isdn_net_dev
*
);
static
int
isdn_net_start_xmit
(
struct
sk_buff
*
,
struct
net_device
*
);
static
int
isdn_net_start_xmit
(
struct
sk_buff
*
,
struct
net_device
*
);
static
void
do_dialout
(
isdn_net_local
*
lp
);
static
void
do_dialout
(
isdn_net_local
*
lp
);
static
int
isdn_net_set_encap
(
isdn_net_dev
*
p
,
int
encap
);
static
int
isdn_net_set_encap
(
isdn_net_dev
*
p
,
int
encap
);
...
@@ -269,7 +279,7 @@ isdn_net_unbind_channel(isdn_net_local * lp)
...
@@ -269,7 +279,7 @@ isdn_net_unbind_channel(isdn_net_local * lp)
if
(
lp
->
ops
->
unbind
)
if
(
lp
->
ops
->
unbind
)
lp
->
ops
->
unbind
(
lp
);
lp
->
ops
->
unbind
(
lp
);
skb_queue_purge
(
&
lp
->
super_tx_queue
);
skb_queue_purge
(
&
idev
->
super_tx_queue
);
if
(
!
lp
->
master
)
{
/* reset only master device */
if
(
!
lp
->
master
)
{
/* reset only master device */
/* Moral equivalent of dev_purge_queues():
/* Moral equivalent of dev_purge_queues():
...
@@ -412,7 +422,7 @@ static void isdn_net_connected(isdn_net_local *lp)
...
@@ -412,7 +422,7 @@ static void isdn_net_connected(isdn_net_local *lp)
if
(
lp
->
ops
->
connected
)
if
(
lp
->
ops
->
connected
)
lp
->
ops
->
connected
(
lp
);
lp
->
ops
->
connected
(
lp
);
else
else
isdn_net_dev
ice_wake_queue
(
lp
);
isdn_net_dev
_wake_queue
(
idev
);
}
}
/*
/*
...
@@ -562,7 +572,7 @@ isdn_net_handle_event(isdn_net_local *lp, int pr, void *arg)
...
@@ -562,7 +572,7 @@ isdn_net_handle_event(isdn_net_local *lp, int pr, void *arg)
switch
(
pr
)
{
switch
(
pr
)
{
case
ISDN_STAT_BSENT
:
case
ISDN_STAT_BSENT
:
/* A packet has successfully been sent out */
/* A packet has successfully been sent out */
isdn_net_dec_frame_cnt
(
lp
);
isdn_net_dec_frame_cnt
(
idev
);
lp
->
stats
.
tx_packets
++
;
lp
->
stats
.
tx_packets
++
;
lp
->
stats
.
tx_bytes
+=
c
->
parm
.
length
;
lp
->
stats
.
tx_bytes
+=
c
->
parm
.
length
;
return
1
;
return
1
;
...
@@ -846,24 +856,25 @@ isdn_net_log_skb(struct sk_buff * skb, isdn_net_local * lp)
...
@@ -846,24 +856,25 @@ isdn_net_log_skb(struct sk_buff * skb, isdn_net_local * lp)
* not received from the network layer, but e.g. frames from ipppd, CCP
* not received from the network layer, but e.g. frames from ipppd, CCP
* reset frames etc.
* reset frames etc.
*/
*/
void
isdn_net_write_super
(
isdn_net_local
*
lp
,
struct
sk_buff
*
skb
)
void
isdn_net_write_super
(
isdn_net_dev
*
idev
,
struct
sk_buff
*
skb
)
{
{
if
(
in_irq
())
{
if
(
in_irq
())
{
// we can't grab the lock from irq context,
// we can't grab the lock from irq context,
// so we just queue the packet
// so we just queue the packet
skb_queue_tail
(
&
lp
->
super_tx_queue
,
skb
);
skb_queue_tail
(
&
idev
->
super_tx_queue
,
skb
);
queue_task
(
&
lp
->
tqueue
,
&
tq_immediate
);
queue_task
(
&
idev
->
tqueue
,
&
tq_immediate
);
mark_bh
(
IMMEDIATE_BH
);
mark_bh
(
IMMEDIATE_BH
);
return
;
return
;
}
}
spin_lock_bh
(
&
lp
->
xmit_lock
);
spin_lock_bh
(
&
idev
->
xmit_lock
);
if
(
!
isdn_net_
lp_busy
(
lp
))
{
if
(
!
isdn_net_
dev_busy
(
idev
))
{
isdn_net_writebuf_skb
(
lp
,
skb
);
isdn_net_writebuf_skb
(
idev
,
skb
);
}
else
{
}
else
{
skb_queue_tail
(
&
lp
->
super_tx_queue
,
skb
);
skb_queue_tail
(
&
idev
->
super_tx_queue
,
skb
);
}
}
spin_unlock_bh
(
&
lp
->
xmit_lock
);
spin_unlock_bh
(
&
idev
->
xmit_lock
);
}
}
/*
/*
...
@@ -871,32 +882,32 @@ void isdn_net_write_super(isdn_net_local *lp, struct sk_buff *skb)
...
@@ -871,32 +882,32 @@ void isdn_net_write_super(isdn_net_local *lp, struct sk_buff *skb)
*/
*/
static
void
isdn_net_softint
(
void
*
private
)
static
void
isdn_net_softint
(
void
*
private
)
{
{
isdn_net_
local
*
lp
=
private
;
isdn_net_
dev
*
idev
=
private
;
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
spin_lock_bh
(
&
lp
->
xmit_lock
);
spin_lock_bh
(
&
idev
->
xmit_lock
);
while
(
!
isdn_net_
lp_busy
(
lp
))
{
while
(
!
isdn_net_
dev_busy
(
idev
))
{
skb
=
skb_dequeue
(
&
lp
->
super_tx_queue
);
skb
=
skb_dequeue
(
&
idev
->
super_tx_queue
);
if
(
!
skb
)
if
(
!
skb
)
break
;
break
;
isdn_net_writebuf_skb
(
lp
,
skb
);
isdn_net_writebuf_skb
(
idev
,
skb
);
}
}
spin_unlock_bh
(
&
lp
->
xmit_lock
);
spin_unlock_bh
(
&
idev
->
xmit_lock
);
}
}
/*
/*
* all frames sent from the (net) LL to a HL driver should go via this function
* all frames sent from the (net) LL to a HL driver should go via this function
* it's serialized by the caller holding the
lp
->xmit_lock spinlock
* it's serialized by the caller holding the
idev
->xmit_lock spinlock
*/
*/
void
isdn_net_writebuf_skb
(
isdn_net_
local
*
lp
,
struct
sk_buff
*
skb
)
void
isdn_net_writebuf_skb
(
isdn_net_
dev
*
idev
,
struct
sk_buff
*
skb
)
{
{
isdn_net_
dev
*
idev
=
lp
->
netdev
;
isdn_net_
local
*
lp
=
&
idev
->
local
;
int
ret
;
int
ret
;
int
len
=
skb
->
len
;
/* save len */
int
len
=
skb
->
len
;
/* save len */
/* before obtaining the lock the caller should have checked that
/* before obtaining the lock the caller should have checked that
the lp isn't busy */
the lp isn't busy */
if
(
isdn_net_
lp_busy
(
lp
))
{
if
(
isdn_net_
dev_busy
(
idev
))
{
isdn_BUG
();
isdn_BUG
();
goto
error
;
goto
error
;
}
}
...
@@ -913,7 +924,7 @@ void isdn_net_writebuf_skb(isdn_net_local *lp, struct sk_buff *skb)
...
@@ -913,7 +924,7 @@ void isdn_net_writebuf_skb(isdn_net_local *lp, struct sk_buff *skb)
}
}
idev
->
transcount
+=
len
;
idev
->
transcount
+=
len
;
isdn_net_inc_frame_cnt
(
lp
);
isdn_net_inc_frame_cnt
(
idev
);
return
;
return
;
error:
error:
...
@@ -952,18 +963,18 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
...
@@ -952,18 +963,18 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
return
isdn_ppp_xmit
(
skb
,
ndev
);
return
isdn_ppp_xmit
(
skb
,
ndev
);
}
}
nd
=
((
isdn_net_local
*
)
ndev
->
priv
)
->
netdev
;
nd
=
((
isdn_net_local
*
)
ndev
->
priv
)
->
netdev
;
lp
=
isdn_net_get_locked_lp
(
nd
);
idev
=
isdn_net_get_locked_dev
(
nd
);
if
(
!
lp
)
{
if
(
!
idev
)
{
printk
(
KERN_WARNING
"%s: all channels busy - requeuing!
\n
"
,
ndev
->
name
);
printk
(
KERN_WARNING
"%s: all channels busy - requeuing!
\n
"
,
ndev
->
name
);
return
1
;
return
1
;
}
}
idev
=
lp
->
netdev
;
/* we have our idev locked from now on */
/* we have our lp locked from now on */
lp
=
&
idev
->
local
;
/* Reset hangup-timeout */
/* Reset hangup-timeout */
idev
->
huptimer
=
0
;
// FIXME?
idev
->
huptimer
=
0
;
// FIXME?
isdn_net_writebuf_skb
(
lp
,
skb
);
isdn_net_writebuf_skb
(
idev
,
skb
);
spin_unlock_bh
(
&
lp
->
xmit_lock
);
spin_unlock_bh
(
&
idev
->
xmit_lock
);
/* the following stuff is here for backwards compatibility.
/* the following stuff is here for backwards compatibility.
* in future, start-up and hangup of slaves (based on current load)
* in future, start-up and hangup of slaves (based on current load)
...
@@ -980,23 +991,23 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
...
@@ -980,23 +991,23 @@ isdn_net_xmit(struct net_device *ndev, struct sk_buff *skb)
if
(
idev
->
cps
>
lp
->
triggercps
)
{
if
(
idev
->
cps
>
lp
->
triggercps
)
{
if
(
lp
->
slave
)
{
if
(
lp
->
slave
)
{
if
(
!
lp
->
sqfull
)
{
if
(
!
idev
->
sqfull
)
{
/* First time overload: set timestamp only */
/* First time overload: set timestamp only */
lp
->
sqfull
=
1
;
idev
->
sqfull
=
1
;
lp
->
sqfull_stamp
=
jiffies
;
idev
->
sqfull_stamp
=
jiffies
;
}
else
{
}
else
{
/* subsequent overload: if slavedelay exceeded, start dialing */
/* subsequent overload: if slavedelay exceeded, start dialing */
if
(
time_after
(
jiffies
,
lp
->
sqfull_stamp
+
lp
->
slavedelay
))
{
if
(
time_after
(
jiffies
,
idev
->
sqfull_stamp
+
lp
->
slavedelay
))
{
slp
=
lp
->
slave
->
priv
;
slp
=
lp
->
slave
->
priv
;
if
(
!
isdn_net_bound
(
slp
->
netdev
))
{
if
(
!
isdn_net_bound
(
slp
->
netdev
))
{
isdn_net_force_dial_
lp
((
isdn_net_local
*
)
lp
->
slave
->
pri
v
);
isdn_net_force_dial_
idev
(((
isdn_net_local
*
)
lp
->
slave
->
priv
)
->
netde
v
);
}
}
}
}
}
}
}
}
}
else
{
}
else
{
if
(
lp
->
sqfull
&&
time_after
(
jiffies
,
lp
->
sqfull_stamp
+
lp
->
slavedelay
+
(
10
*
HZ
)
))
{
if
(
idev
->
sqfull
&&
time_after
(
jiffies
,
idev
->
sqfull_stamp
+
lp
->
slavedelay
+
10
*
HZ
))
{
lp
->
sqfull
=
0
;
idev
->
sqfull
=
0
;
}
}
/* this is a hack to allow auto-hangup for slaves on moderate loads */
/* this is a hack to allow auto-hangup for slaves on moderate loads */
nd
->
queue
=
&
nd
->
local
;
nd
->
queue
=
&
nd
->
local
;
...
@@ -1053,7 +1064,7 @@ isdn_net_autodial(struct sk_buff *skb, struct net_device *ndev)
...
@@ -1053,7 +1064,7 @@ isdn_net_autodial(struct sk_buff *skb, struct net_device *ndev)
idev
->
dialwait_timer
=
0
;
idev
->
dialwait_timer
=
0
;
}
}
if
(
isdn_net_force_dial_
lp
(
lp
)
<
0
)
if
(
isdn_net_force_dial_
idev
(
idev
)
<
0
)
goto
discard
;
goto
discard
;
/* Log packet, which triggered dialing */
/* Log packet, which triggered dialing */
...
@@ -1474,11 +1485,11 @@ isdn_net_findif(char *name)
...
@@ -1474,11 +1485,11 @@ isdn_net_findif(char *name)
* from isdn_net_start_xmit().
* from isdn_net_start_xmit().
*/
*/
static
int
static
int
isdn_net_force_dial_
lp
(
isdn_net_local
*
lp
)
isdn_net_force_dial_
idev
(
isdn_net_dev
*
idev
)
{
{
isdn_net_dev
*
idev
=
lp
->
netdev
;
int
slot
;
int
slot
;
unsigned
long
flags
;
unsigned
long
flags
;
isdn_net_local
*
lp
=
&
idev
->
local
;
if
(
isdn_net_bound
(
idev
))
if
(
isdn_net_bound
(
idev
))
return
-
EBUSY
;
return
-
EBUSY
;
...
@@ -1515,12 +1526,13 @@ isdn_net_force_dial_lp(isdn_net_local *lp)
...
@@ -1515,12 +1526,13 @@ isdn_net_force_dial_lp(isdn_net_local *lp)
* themselves.
* themselves.
*/
*/
int
int
isdn_net_dial_req
(
isdn_net_
local
*
lp
)
isdn_net_dial_req
(
isdn_net_
dev
*
idev
)
{
{
isdn_net_local
*
lp
=
&
idev
->
local
;
/* is there a better error code? */
/* is there a better error code? */
if
(
!
(
ISDN_NET_DIALMODE
(
*
lp
)
==
ISDN_NET_DM_AUTO
))
return
-
EBUSY
;
if
(
!
(
ISDN_NET_DIALMODE
(
*
lp
)
==
ISDN_NET_DM_AUTO
))
return
-
EBUSY
;
return
isdn_net_force_dial_
lp
(
lp
);
return
isdn_net_force_dial_
idev
(
idev
);
}
}
/*
/*
...
@@ -1534,7 +1546,8 @@ isdn_net_force_dial(char *name)
...
@@ -1534,7 +1546,8 @@ isdn_net_force_dial(char *name)
if
(
!
p
)
if
(
!
p
)
return
-
ENODEV
;
return
-
ENODEV
;
return
(
isdn_net_force_dial_lp
(
&
p
->
local
));
return
isdn_net_force_dial_idev
(
p
);
}
}
/*
/*
...
@@ -1595,10 +1608,10 @@ isdn_net_new(char *name, struct net_device *master)
...
@@ -1595,10 +1608,10 @@ isdn_net_new(char *name, struct net_device *master)
netdev
->
local
.
netdev
=
netdev
;
netdev
->
local
.
netdev
=
netdev
;
netdev
->
local
.
next
=
&
netdev
->
local
;
netdev
->
local
.
next
=
&
netdev
->
local
;
netdev
->
local
.
tqueue
.
sync
=
0
;
netdev
->
tqueue
.
sync
=
0
;
netdev
->
local
.
tqueue
.
routine
=
isdn_net_softint
;
netdev
->
tqueue
.
routine
=
isdn_net_softint
;
netdev
->
local
.
tqueue
.
data
=
&
netdev
->
local
;
netdev
->
tqueue
.
data
=
netdev
;
spin_lock_init
(
&
netdev
->
local
.
xmit_lock
);
spin_lock_init
(
&
netdev
->
xmit_lock
);
netdev
->
isdn_slot
=
-
1
;
netdev
->
isdn_slot
=
-
1
;
netdev
->
pre_device
=
-
1
;
netdev
->
pre_device
=
-
1
;
...
@@ -1609,7 +1622,7 @@ isdn_net_new(char *name, struct net_device *master)
...
@@ -1609,7 +1622,7 @@ isdn_net_new(char *name, struct net_device *master)
netdev
->
pppbind
=
-
1
;
netdev
->
pppbind
=
-
1
;
netdev
->
local
.
p_encap
=
-
1
;
netdev
->
local
.
p_encap
=
-
1
;
skb_queue_head_init
(
&
netdev
->
local
.
super_tx_queue
);
skb_queue_head_init
(
&
netdev
->
super_tx_queue
);
netdev
->
local
.
l2_proto
=
ISDN_PROTO_L2_X75I
;
netdev
->
local
.
l2_proto
=
ISDN_PROTO_L2_X75I
;
netdev
->
local
.
l3_proto
=
ISDN_PROTO_L3_TRANS
;
netdev
->
local
.
l3_proto
=
ISDN_PROTO_L3_TRANS
;
netdev
->
local
.
triggercps
=
6000
;
netdev
->
local
.
triggercps
=
6000
;
...
...
drivers/isdn/i4l/isdn_net.h
View file @
2f1efd68
...
@@ -52,10 +52,10 @@ extern int isdn_net_force_hangup(char *);
...
@@ -52,10 +52,10 @@ extern int isdn_net_force_hangup(char *);
extern
int
isdn_net_force_dial
(
char
*
);
extern
int
isdn_net_force_dial
(
char
*
);
extern
isdn_net_dev
*
isdn_net_findif
(
char
*
);
extern
isdn_net_dev
*
isdn_net_findif
(
char
*
);
extern
int
isdn_net_rcv_skb
(
int
,
struct
sk_buff
*
);
extern
int
isdn_net_rcv_skb
(
int
,
struct
sk_buff
*
);
extern
int
isdn_net_dial_req
(
isdn_net_
local
*
);
extern
int
isdn_net_dial_req
(
isdn_net_
dev
*
);
extern
void
isdn_net_writebuf_skb
(
isdn_net_
local
*
lp
,
struct
sk_buff
*
skb
);
extern
void
isdn_net_writebuf_skb
(
isdn_net_
dev
*
,
struct
sk_buff
*
skb
);
extern
void
isdn_net_write_super
(
isdn_net_
local
*
lp
,
struct
sk_buff
*
skb
);
extern
void
isdn_net_write_super
(
isdn_net_
dev
*
,
struct
sk_buff
*
skb
);
extern
int
isdn_net_online
(
isdn_net_dev
*
idev
);
extern
int
isdn_net_online
(
isdn_net_dev
*
);
static
inline
void
static
inline
void
isdn_net_reset_huptimer
(
isdn_net_dev
*
idev
,
isdn_net_dev
*
idev2
)
isdn_net_reset_huptimer
(
isdn_net_dev
*
idev
,
isdn_net_dev
*
idev2
)
...
@@ -69,9 +69,10 @@ isdn_net_reset_huptimer(isdn_net_dev *idev, isdn_net_dev *idev2)
...
@@ -69,9 +69,10 @@ isdn_net_reset_huptimer(isdn_net_dev *idev, isdn_net_dev *idev2)
/*
/*
* is this particular channel busy?
* is this particular channel busy?
*/
*/
static
__inline__
int
isdn_net_lp_busy
(
isdn_net_local
*
lp
)
static
inline
int
isdn_net_dev_busy
(
isdn_net_dev
*
idev
)
{
{
if
(
atomic_read
(
&
lp
->
frame_cnt
)
<
ISDN_NET_MAX_QUEUE_LENGTH
)
if
(
atomic_read
(
&
idev
->
frame_cnt
)
<
ISDN_NET_MAX_QUEUE_LENGTH
)
return
0
;
return
0
;
else
else
return
1
;
return
1
;
...
@@ -81,34 +82,39 @@ static __inline__ int isdn_net_lp_busy(isdn_net_local *lp)
...
@@ -81,34 +82,39 @@ static __inline__ int isdn_net_lp_busy(isdn_net_local *lp)
* For the given net device, this will get a non-busy channel out of the
* For the given net device, this will get a non-busy channel out of the
* corresponding bundle. The returned channel is locked.
* corresponding bundle. The returned channel is locked.
*/
*/
static
__inline__
isdn_net_local
*
isdn_net_get_locked_lp
(
isdn_net_dev
*
nd
)
static
inline
isdn_net_dev
*
isdn_net_get_locked_dev
(
isdn_net_dev
*
nd
)
{
{
unsigned
long
flags
;
unsigned
long
flags
;
isdn_net_local
*
lp
;
isdn_net_local
*
lp
;
isdn_net_dev
*
idev
;
spin_lock_irqsave
(
&
nd
->
queue_lock
,
flags
);
spin_lock_irqsave
(
&
nd
->
queue_lock
,
flags
);
lp
=
nd
->
queue
;
/* get lp on top of queue */
lp
=
nd
->
queue
;
/* get lp on top of queue */
spin_lock_bh
(
&
nd
->
queue
->
xmit_lock
);
idev
=
nd
->
queue
->
netdev
;
while
(
isdn_net_lp_busy
(
nd
->
queue
))
{
spin_lock_bh
(
&
idev
->
xmit_lock
);
spin_unlock_bh
(
&
nd
->
queue
->
xmit_lock
);
while
(
isdn_net_dev_busy
(
idev
))
{
spin_unlock_bh
(
&
idev
->
xmit_lock
);
nd
->
queue
=
nd
->
queue
->
next
;
nd
->
queue
=
nd
->
queue
->
next
;
idev
=
nd
->
queue
->
netdev
;
if
(
nd
->
queue
==
lp
)
{
/* not found -- should never happen */
if
(
nd
->
queue
==
lp
)
{
/* not found -- should never happen */
lp
=
NULL
;
lp
=
NULL
;
goto
errout
;
goto
errout
;
}
}
spin_lock_bh
(
&
nd
->
queue
->
xmit_lock
);
spin_lock_bh
(
&
idev
->
xmit_lock
);
}
}
lp
=
nd
->
queue
;
lp
=
nd
->
queue
;
nd
->
queue
=
nd
->
queue
->
next
;
nd
->
queue
=
nd
->
queue
->
next
;
errout:
errout:
spin_unlock_irqrestore
(
&
nd
->
queue_lock
,
flags
);
spin_unlock_irqrestore
(
&
nd
->
queue_lock
,
flags
);
return
lp
;
return
lp
?
lp
->
netdev
:
NULL
;
}
}
/*
/*
* add a channel to a bundle
* add a channel to a bundle
*/
*/
static
__inline__
void
isdn_net_add_to_bundle
(
isdn_net_dev
*
nd
,
isdn_net_local
*
nlp
)
static
inline
void
isdn_net_add_to_bundle
(
isdn_net_dev
*
nd
,
isdn_net_local
*
nlp
)
{
{
isdn_net_local
*
lp
;
isdn_net_local
*
lp
;
unsigned
long
flags
;
unsigned
long
flags
;
...
@@ -127,7 +133,8 @@ static __inline__ void isdn_net_add_to_bundle(isdn_net_dev *nd, isdn_net_local *
...
@@ -127,7 +133,8 @@ static __inline__ void isdn_net_add_to_bundle(isdn_net_dev *nd, isdn_net_local *
/*
/*
* remove a channel from the bundle it belongs to
* remove a channel from the bundle it belongs to
*/
*/
static
__inline__
void
isdn_net_rm_from_bundle
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_rm_from_bundle
(
isdn_net_local
*
lp
)
{
{
isdn_net_local
*
master_lp
=
lp
;
isdn_net_local
*
master_lp
=
lp
;
unsigned
long
flags
;
unsigned
long
flags
;
...
@@ -152,15 +159,19 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
...
@@ -152,15 +159,19 @@ static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp)
* wake up the network -> net_device queue.
* wake up the network -> net_device queue.
* For slaves, wake the corresponding master interface.
* For slaves, wake the corresponding master interface.
*/
*/
static
inline
void
isdn_net_device_wake_queue
(
isdn_net_local
*
lp
)
static
inline
void
isdn_net_dev_wake_queue
(
isdn_net_dev
*
idev
)
{
{
isdn_net_local
*
lp
=
&
idev
->
local
;
if
(
lp
->
master
)
if
(
lp
->
master
)
netif_wake_queue
(
lp
->
master
);
netif_wake_queue
(
lp
->
master
);
else
else
netif_wake_queue
(
&
lp
->
netdev
->
dev
);
netif_wake_queue
(
&
lp
->
netdev
->
dev
);
}
}
static
inline
int
isdn_net_bound
(
isdn_net_dev
*
idev
)
static
inline
int
isdn_net_bound
(
isdn_net_dev
*
idev
)
{
{
return
idev
->
isdn_slot
>=
0
;
return
idev
->
isdn_slot
>=
0
;
}
}
...
...
drivers/isdn/i4l/isdn_ppp.c
View file @
2f1efd68
...
@@ -585,7 +585,6 @@ static unsigned int
...
@@ -585,7 +585,6 @@ static unsigned int
isdn_ppp_poll
(
struct
file
*
file
,
poll_table
*
wait
)
isdn_ppp_poll
(
struct
file
*
file
,
poll_table
*
wait
)
{
{
unsigned
int
mask
;
unsigned
int
mask
;
unsigned
long
flags
;
struct
ippp_struct
*
is
;
struct
ippp_struct
*
is
;
is
=
file
->
private_data
;
is
=
file
->
private_data
;
...
@@ -782,7 +781,7 @@ isdn_ppp_write(struct file *file, const char *buf, size_t count, loff_t *off)
...
@@ -782,7 +781,7 @@ isdn_ppp_write(struct file *file, const char *buf, size_t count, loff_t *off)
isdn_ppp_send_ccp
(
idev
,
&
idev
->
local
,
skb
);
/* keeps CCP/compression states in sync */
isdn_ppp_send_ccp
(
idev
,
&
idev
->
local
,
skb
);
/* keeps CCP/compression states in sync */
isdn_net_write_super
(
&
idev
->
local
,
skb
);
isdn_net_write_super
(
idev
,
skb
);
}
}
}
}
retval
=
count
;
retval
=
count
;
...
@@ -1127,7 +1126,7 @@ static unsigned char *isdn_ppp_skb_push(struct sk_buff **skb_p,int len)
...
@@ -1127,7 +1126,7 @@ static unsigned char *isdn_ppp_skb_push(struct sk_buff **skb_p,int len)
int
int
isdn_ppp_xmit
(
struct
sk_buff
*
skb
,
struct
net_device
*
netdev
)
isdn_ppp_xmit
(
struct
sk_buff
*
skb
,
struct
net_device
*
netdev
)
{
{
isdn_net_local
*
lp
,
*
mlp
;
isdn_net_local
*
mlp
;
isdn_net_dev
*
idev
;
isdn_net_dev
*
idev
;
isdn_net_dev
*
nd
;
isdn_net_dev
*
nd
;
unsigned
int
proto
=
PPP_IP
;
/* 0x21 */
unsigned
int
proto
=
PPP_IP
;
/* 0x21 */
...
@@ -1166,13 +1165,12 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
...
@@ -1166,13 +1165,12 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
return
0
;
return
0
;
}
}
lp
=
isdn_net_get_locked_lp
(
nd
);
idev
=
isdn_net_get_locked_dev
(
nd
);
if
(
!
lp
)
{
if
(
!
idev
)
{
printk
(
KERN_WARNING
"%s: all channels busy - requeuing!
\n
"
,
netdev
->
name
);
printk
(
KERN_WARNING
"%s: all channels busy - requeuing!
\n
"
,
netdev
->
name
);
return
1
;
return
1
;
}
}
/* we have our lp locked from now on */
/* we have our lp locked from now on */
idev
=
lp
->
netdev
;
slot
=
idev
->
ppp_slot
;
slot
=
idev
->
ppp_slot
;
if
(
slot
<
0
||
slot
>
ISDN_MAX_CHANNELS
)
{
if
(
slot
<
0
||
slot
>
ISDN_MAX_CHANNELS
)
{
printk
(
KERN_ERR
"isdn_ppp_xmit: lp->ppp_slot(%d)
\n
"
,
printk
(
KERN_ERR
"isdn_ppp_xmit: lp->ppp_slot(%d)
\n
"
,
...
@@ -1325,10 +1323,10 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
...
@@ -1325,10 +1323,10 @@ isdn_ppp_xmit(struct sk_buff *skb, struct net_device *netdev)
isdn_ppp_frame_log
(
"xmit"
,
skb
->
data
,
skb
->
len
,
32
,
ipt
->
unit
,
idev
->
ppp_slot
);
isdn_ppp_frame_log
(
"xmit"
,
skb
->
data
,
skb
->
len
,
32
,
ipt
->
unit
,
idev
->
ppp_slot
);
}
}
isdn_net_writebuf_skb
(
lp
,
skb
);
isdn_net_writebuf_skb
(
idev
,
skb
);
unlock:
unlock:
spin_unlock_bh
(
&
lp
->
xmit_lock
);
spin_unlock_bh
(
&
idev
->
xmit_lock
);
return
0
;
return
0
;
}
}
...
@@ -1938,7 +1936,7 @@ isdn_ppp_dial_slave(char *name)
...
@@ -1938,7 +1936,7 @@ isdn_ppp_dial_slave(char *name)
if
(
!
sdev
)
if
(
!
sdev
)
return
2
;
return
2
;
isdn_net_dial_req
((
isdn_net_local
*
)
sdev
->
pri
v
);
isdn_net_dial_req
((
(
isdn_net_local
*
)
sdev
->
priv
)
->
netde
v
);
return
0
;
return
0
;
#else
#else
return
-
1
;
return
-
1
;
...
@@ -2079,7 +2077,7 @@ static void isdn_ppp_ccp_xmit_reset(struct ippp_struct *is, int proto,
...
@@ -2079,7 +2077,7 @@ static void isdn_ppp_ccp_xmit_reset(struct ippp_struct *is, int proto,
printk
(
KERN_DEBUG
"Sending CCP Frame:
\n
"
);
printk
(
KERN_DEBUG
"Sending CCP Frame:
\n
"
);
isdn_ppp_frame_log
(
"ccp-xmit"
,
skb
->
data
,
skb
->
len
,
32
,
is
->
unit
,
idev
->
ppp_slot
);
isdn_ppp_frame_log
(
"ccp-xmit"
,
skb
->
data
,
skb
->
len
,
32
,
is
->
unit
,
idev
->
ppp_slot
);
isdn_net_write_super
(
&
idev
->
local
,
skb
);
isdn_net_write_super
(
idev
,
skb
);
}
}
/* Allocate the reset state vector */
/* Allocate the reset state vector */
...
...
include/linux/isdn.h
View file @
2f1efd68
...
@@ -329,8 +329,6 @@ typedef struct isdn_net_local_s {
...
@@ -329,8 +329,6 @@ typedef struct isdn_net_local_s {
u_char
l2_proto
;
/* Layer-2-protocol */
u_char
l2_proto
;
/* Layer-2-protocol */
u_char
l3_proto
;
/* Layer-3-protocol */
u_char
l3_proto
;
/* Layer-3-protocol */
int
sqfull
;
/* Flag: netdev-queue overloaded */
ulong
sqfull_stamp
;
/* Start-Time of overload */
ulong
slavedelay
;
/* Dynamic bundling delaytime */
ulong
slavedelay
;
/* Dynamic bundling delaytime */
int
triggercps
;
/* BogoCPS needed for trigger slave */
int
triggercps
;
/* BogoCPS needed for trigger slave */
struct
list_head
phone
[
2
];
/* List of remote-phonenumbers */
struct
list_head
phone
[
2
];
/* List of remote-phonenumbers */
...
@@ -341,14 +339,6 @@ typedef struct isdn_net_local_s {
...
@@ -341,14 +339,6 @@ typedef struct isdn_net_local_s {
struct
isdn_net_local_s
*
next
;
/* Ptr to next link in bundle */
struct
isdn_net_local_s
*
next
;
/* Ptr to next link in bundle */
struct
isdn_net_local_s
*
last
;
/* Ptr to last link in bundle */
struct
isdn_net_local_s
*
last
;
/* Ptr to last link in bundle */
struct
isdn_net_dev_s
*
netdev
;
/* Ptr to netdev */
struct
isdn_net_dev_s
*
netdev
;
/* Ptr to netdev */
struct
sk_buff_head
super_tx_queue
;
/* List of supervisory frames to */
/* be transmitted asap */
atomic_t
frame_cnt
;
/* number of frames currently */
/* queued in HL driver */
/* Ptr to orig. hard_header_cache */
spinlock_t
xmit_lock
;
/* used to protect the xmit path of */
/* a particular channel (including */
/* the frame_cnt */
#ifdef CONFIG_ISDN_X25
#ifdef CONFIG_ISDN_X25
struct
concap_device_ops
*
dops
;
/* callbacks used by encapsulator */
struct
concap_device_ops
*
dops
;
/* callbacks used by encapsulator */
...
@@ -362,7 +352,6 @@ typedef struct isdn_net_local_s {
...
@@ -362,7 +352,6 @@ typedef struct isdn_net_local_s {
char
cisco_line_state
;
/* state of line according to keepalive packets */
char
cisco_line_state
;
/* state of line according to keepalive packets */
char
cisco_debserint
;
/* debugging flag of cisco hdlc with slarp */
char
cisco_debserint
;
/* debugging flag of cisco hdlc with slarp */
struct
timer_list
cisco_timer
;
struct
timer_list
cisco_timer
;
struct
tq_struct
tqueue
;
struct
isdn_netif_ops
*
ops
;
struct
isdn_netif_ops
*
ops
;
}
isdn_net_local
;
}
isdn_net_local
;
...
@@ -386,6 +375,8 @@ typedef struct isdn_net_dev_s {
...
@@ -386,6 +375,8 @@ typedef struct isdn_net_dev_s {
int
cps
;
/* current speed of this interface */
int
cps
;
/* current speed of this interface */
int
transcount
;
/* byte-counter for cps-calculation */
int
transcount
;
/* byte-counter for cps-calculation */
int
last_jiffies
;
/* when transcount was reset */
int
last_jiffies
;
/* when transcount was reset */
int
sqfull
;
/* Flag: netdev-queue overloaded */
ulong
sqfull_stamp
;
/* Start-Time of overload */
struct
timer_list
hup_timer
;
/* auto hangup timer */
struct
timer_list
hup_timer
;
/* auto hangup timer */
int
huptimer
;
/* Timeout-counter for auto-hangup */
int
huptimer
;
/* Timeout-counter for auto-hangup */
...
@@ -397,6 +388,15 @@ typedef struct isdn_net_dev_s {
...
@@ -397,6 +388,15 @@ typedef struct isdn_net_dev_s {
int
pppbind
;
/* ippp device for bindings */
int
pppbind
;
/* ippp device for bindings */
int
ppp_slot
;
/* PPPD device slot number */
int
ppp_slot
;
/* PPPD device slot number */
spinlock_t
xmit_lock
;
/* used to protect the xmit path of */
/* a particular channel (including */
/* the frame_cnt */
struct
sk_buff_head
super_tx_queue
;
/* List of supervisory frames to */
/* be transmitted asap */
atomic_t
frame_cnt
;
/* number of frames currently */
/* queued in HL driver */
struct
tq_struct
tqueue
;
isdn_net_local
*
queue
;
/* circular list of all bundled
isdn_net_local
*
queue
;
/* circular list of all bundled
channels, which are currently
channels, which are currently
online */
online */
...
...
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