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nexedi
linux
Commits
ce41525e
Commit
ce41525e
authored
Jun 09, 2002
by
Martin Dalecki
Committed by
Linus Torvalds
Jun 09, 2002
Browse files
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[PATCH] kill warinigs 14/19
irlap_frame this time. Let me guess they used emacs?!
parent
d7bd8ce5
Changes
1
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1 changed file
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192 additions
and
193 deletions
+192
-193
net/irda/irlap_frame.c
net/irda/irlap_frame.c
+192
-193
No files found.
net/irda/irlap_frame.c
View file @
ce41525e
/*********************************************************************
/*********************************************************************
*
*
* Filename: irlap_frame.c
* Filename: irlap_frame.c
* Version: 1.0
* Version: 1.0
* Description: Build and transmit IrLAP frames
* Description: Build and transmit IrLAP frames
...
@@ -8,18 +8,18 @@
...
@@ -8,18 +8,18 @@
* Created at: Tue Aug 19 10:27:26 1997
* Created at: Tue Aug 19 10:27:26 1997
* Modified at: Wed Jan 5 08:59:04 2000
* Modified at: Wed Jan 5 08:59:04 2000
* Modified by: Dag Brattli <dagb@cs.uit.no>
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
*
* Copyright (c) 1998-2000 Dag Brattli <dagb@cs.uit.no>,
* Copyright (c) 1998-2000 Dag Brattli <dagb@cs.uit.no>,
* All Rights Reserved.
* All Rights Reserved.
* Copyright (c) 2000-2001 Jean Tourrilhes <jt@hpl.hp.com>
* Copyright (c) 2000-2001 Jean Tourrilhes <jt@hpl.hp.com>
*
*
* This program is free software; you can redistribute it and/or
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
* the License, or (at your option) any later version.
*
*
* Neither Dag Brattli nor University of Troms admit liability nor
* Neither Dag Brattli nor University of Troms admit liability nor
* provide warranty for any of this software. This material is
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
* provided "AS-IS" and at no charge.
*
*
********************************************************************/
********************************************************************/
...
@@ -29,10 +29,10 @@
...
@@ -29,10 +29,10 @@
#include <linux/if_ether.h>
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/netdevice.h>
#include <linux/irda.h>
#include <linux/irda.h>
#include <net/pkt_sched.h>
#include <net/pkt_sched.h>
#include <net/sock.h>
#include <net/sock.h>
#include <asm/byteorder.h>
#include <asm/byteorder.h>
#include <net/irda/irda.h>
#include <net/irda/irda.h>
...
@@ -46,18 +46,18 @@
...
@@ -46,18 +46,18 @@
/*
/*
* Function irlap_insert_info (self, skb)
* Function irlap_insert_info (self, skb)
*
*
* Insert minimum turnaround time and speed information into the skb. We
* Insert minimum turnaround time and speed information into the skb. We
* need to do this since it's per packet relevant information. Safe to
* need to do this since it's per packet relevant information. Safe to
* have this function inlined since it's only called from one place
* have this function inlined since it's only called from one place
*/
*/
static
inline
void
irlap_insert_info
(
struct
irlap_cb
*
self
,
static
inline
void
irlap_insert_info
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
struct
sk_buff
*
skb
)
{
{
struct
irda_skb_cb
*
cb
=
(
struct
irda_skb_cb
*
)
skb
->
cb
;
struct
irda_skb_cb
*
cb
=
(
struct
irda_skb_cb
*
)
skb
->
cb
;
/*
/*
* Insert MTT (min. turn time) and speed into skb, so that the
* Insert MTT (min. turn time) and speed into skb, so that the
* device driver knows which settings to use
* device driver knows which settings to use
*/
*/
cb
->
magic
=
LAP_MAGIC
;
cb
->
magic
=
LAP_MAGIC
;
cb
->
mtt
=
self
->
mtt_required
;
cb
->
mtt
=
self
->
mtt_required
;
...
@@ -65,15 +65,15 @@ static inline void irlap_insert_info(struct irlap_cb *self,
...
@@ -65,15 +65,15 @@ static inline void irlap_insert_info(struct irlap_cb *self,
/* Reset */
/* Reset */
self
->
mtt_required
=
0
;
self
->
mtt_required
=
0
;
/*
/*
* Delay equals negotiated BOFs count, plus the number of BOFs to
* Delay equals negotiated BOFs count, plus the number of BOFs to
* force the negotiated minimum turnaround time
* force the negotiated minimum turnaround time
*/
*/
cb
->
xbofs
=
self
->
bofs_count
;
cb
->
xbofs
=
self
->
bofs_count
;
cb
->
next_xbofs
=
self
->
next_bofs
;
cb
->
next_xbofs
=
self
->
next_bofs
;
cb
->
xbofs_delay
=
self
->
xbofs_delay
;
cb
->
xbofs_delay
=
self
->
xbofs_delay
;
/* Reset XBOF's delay (used only for getting min turn time) */
/* Reset XBOF's delay (used only for getting min turn time) */
self
->
xbofs_delay
=
0
;
self
->
xbofs_delay
=
0
;
/* Put the correct xbofs value for the next packet */
/* Put the correct xbofs value for the next packet */
...
@@ -91,7 +91,7 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -91,7 +91,7 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
/* Some common init stuff */
/* Some common init stuff */
skb
->
dev
=
self
->
netdev
;
skb
->
dev
=
self
->
netdev
;
skb
->
h
.
raw
=
skb
->
nh
.
raw
=
skb
->
mac
.
raw
=
skb
->
data
;
skb
->
h
.
raw
=
skb
->
nh
.
raw
=
skb
->
mac
.
raw
=
skb
->
data
;
skb
->
protocol
=
htons
(
ETH_P_IRDA
);
skb
->
protocol
=
htons
(
ETH_P_IRDA
);
skb
->
priority
=
TC_PRIO_BESTEFFORT
;
skb
->
priority
=
TC_PRIO_BESTEFFORT
;
irlap_insert_info
(
self
,
skb
);
irlap_insert_info
(
self
,
skb
);
...
@@ -104,7 +104,7 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -104,7 +104,7 @@ void irlap_queue_xmit(struct irlap_cb *self, struct sk_buff *skb)
*
*
* Transmits a connect SNRM command frame
* Transmits a connect SNRM command frame
*/
*/
void
irlap_send_snrm_frame
(
struct
irlap_cb
*
self
,
struct
qos_info
*
qos
)
void
irlap_send_snrm_frame
(
struct
irlap_cb
*
self
,
struct
qos_info
*
qos
)
{
{
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
struct
snrm_frame
*
frame
;
struct
snrm_frame
*
frame
;
...
@@ -118,7 +118,7 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -118,7 +118,7 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
if
(
!
skb
)
if
(
!
skb
)
return
;
return
;
frame
=
(
struct
snrm_frame
*
)
skb_put
(
skb
,
2
);
frame
=
(
struct
snrm_frame
*
)
skb_put
(
skb
,
2
);
/* Insert connection address field */
/* Insert connection address field */
if
(
qos
)
if
(
qos
)
...
@@ -127,10 +127,10 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -127,10 +127,10 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
frame
->
caddr
=
CMD_FRAME
|
self
->
caddr
;
frame
->
caddr
=
CMD_FRAME
|
self
->
caddr
;
/* Insert control field */
/* Insert control field */
frame
->
control
=
SNRM_CMD
|
PF_BIT
;
frame
->
control
=
SNRM_CMD
|
PF_BIT
;
/*
/*
* If we are establishing a connection then insert QoS paramerters
* If we are establishing a connection then insert QoS paramerters
*/
*/
if
(
qos
)
{
if
(
qos
)
{
skb_put
(
skb
,
9
);
/* 21 left */
skb_put
(
skb
,
9
);
/* 21 left */
...
@@ -138,7 +138,7 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -138,7 +138,7 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
frame
->
daddr
=
cpu_to_le32
(
self
->
daddr
);
frame
->
daddr
=
cpu_to_le32
(
self
->
daddr
);
frame
->
ncaddr
=
self
->
caddr
;
frame
->
ncaddr
=
self
->
caddr
;
ret
=
irlap_insert_qos_negotiation_params
(
self
,
skb
);
ret
=
irlap_insert_qos_negotiation_params
(
self
,
skb
);
if
(
ret
<
0
)
{
if
(
ret
<
0
)
{
dev_kfree_skb
(
skb
);
dev_kfree_skb
(
skb
);
...
@@ -154,28 +154,28 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -154,28 +154,28 @@ void irlap_send_snrm_frame(struct irlap_cb *self, struct qos_info *qos)
* Received SNRM (Set Normal Response Mode) command frame
* Received SNRM (Set Normal Response Mode) command frame
*
*
*/
*/
static
void
irlap_recv_snrm_cmd
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_snrm_cmd
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
struct
snrm_frame
*
frame
;
struct
snrm_frame
*
frame
;
frame
=
(
struct
snrm_frame
*
)
skb
->
data
;
frame
=
(
struct
snrm_frame
*
)
skb
->
data
;
if
(
skb
->
len
>=
sizeof
(
struct
snrm_frame
))
{
if
(
skb
->
len
>=
sizeof
(
struct
snrm_frame
))
{
/* Copy the new connection address */
/* Copy the new connection address */
info
->
caddr
=
frame
->
ncaddr
;
info
->
caddr
=
frame
->
ncaddr
;
/* Check if the new connection address is valid */
/* Check if the new connection address is valid */
if
((
info
->
caddr
==
0x00
)
||
(
info
->
caddr
==
0xfe
))
{
if
((
info
->
caddr
==
0x00
)
||
(
info
->
caddr
==
0xfe
))
{
IRDA_DEBUG
(
3
,
__FUNCTION__
IRDA_DEBUG
(
3
,
__FUNCTION__
"(), invalid connection address!
\n
"
);
"(), invalid connection address!
\n
"
);
return
;
return
;
}
}
/* Copy peer device address */
/* Copy peer device address */
info
->
daddr
=
le32_to_cpu
(
frame
->
saddr
);
info
->
daddr
=
le32_to_cpu
(
frame
->
saddr
);
info
->
saddr
=
le32_to_cpu
(
frame
->
daddr
);
info
->
saddr
=
le32_to_cpu
(
frame
->
daddr
);
/* Only accept if addressed directly to us */
/* Only accept if addressed directly to us */
if
(
info
->
saddr
!=
self
->
saddr
)
{
if
(
info
->
saddr
!=
self
->
saddr
)
{
IRDA_DEBUG
(
2
,
__FUNCTION__
"(), not addressed to us!
\n
"
);
IRDA_DEBUG
(
2
,
__FUNCTION__
"(), not addressed to us!
\n
"
);
...
@@ -199,9 +199,9 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -199,9 +199,9 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos)
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
struct
ua_frame
*
frame
;
struct
ua_frame
*
frame
;
int
ret
;
int
ret
;
IRDA_DEBUG
(
2
,
__FUNCTION__
"() <%ld>
\n
"
,
jiffies
);
IRDA_DEBUG
(
2
,
__FUNCTION__
"() <%ld>
\n
"
,
jiffies
);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
...
@@ -213,10 +213,10 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos)
...
@@ -213,10 +213,10 @@ void irlap_send_ua_response_frame(struct irlap_cb *self, struct qos_info *qos)
return
;
return
;
frame
=
(
struct
ua_frame
*
)
skb_put
(
skb
,
10
);
frame
=
(
struct
ua_frame
*
)
skb_put
(
skb
,
10
);
/* Build UA response */
/* Build UA response */
frame
->
caddr
=
self
->
caddr
;
frame
->
caddr
=
self
->
caddr
;
frame
->
control
=
UA_RSP
|
PF_BIT
;
frame
->
control
=
UA_RSP
|
PF_BIT
;
frame
->
saddr
=
cpu_to_le32
(
self
->
saddr
);
frame
->
saddr
=
cpu_to_le32
(
self
->
saddr
);
frame
->
daddr
=
cpu_to_le32
(
self
->
daddr
);
frame
->
daddr
=
cpu_to_le32
(
self
->
daddr
);
...
@@ -244,7 +244,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
...
@@ -244,7 +244,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
{
{
struct
sk_buff
*
skb
=
NULL
;
struct
sk_buff
*
skb
=
NULL
;
__u8
*
frame
;
__u8
*
frame
;
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
...
@@ -253,7 +253,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
...
@@ -253,7 +253,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
return
;
return
;
frame
=
skb_put
(
skb
,
2
);
frame
=
skb_put
(
skb
,
2
);
if
(
self
->
state
==
LAP_NDM
)
if
(
self
->
state
==
LAP_NDM
)
frame
[
0
]
=
CBROADCAST
;
frame
[
0
]
=
CBROADCAST
;
else
else
...
@@ -261,7 +261,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
...
@@ -261,7 +261,7 @@ void irlap_send_dm_frame( struct irlap_cb *self)
frame
[
1
]
=
DM_RSP
|
PF_BIT
;
frame
[
1
]
=
DM_RSP
|
PF_BIT
;
irlap_queue_xmit
(
self
,
skb
);
irlap_queue_xmit
(
self
,
skb
);
}
}
/*
/*
...
@@ -270,11 +270,11 @@ void irlap_send_dm_frame( struct irlap_cb *self)
...
@@ -270,11 +270,11 @@ void irlap_send_dm_frame( struct irlap_cb *self)
* Send disconnect (DISC) frame
* Send disconnect (DISC) frame
*
*
*/
*/
void
irlap_send_disc_frame
(
struct
irlap_cb
*
self
)
void
irlap_send_disc_frame
(
struct
irlap_cb
*
self
)
{
{
struct
sk_buff
*
skb
=
NULL
;
struct
sk_buff
*
skb
=
NULL
;
__u8
*
frame
;
__u8
*
frame
;
IRDA_DEBUG
(
3
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
3
,
__FUNCTION__
"()
\n
"
);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
...
@@ -285,7 +285,7 @@ void irlap_send_disc_frame(struct irlap_cb *self)
...
@@ -285,7 +285,7 @@ void irlap_send_disc_frame(struct irlap_cb *self)
return
;
return
;
frame
=
skb_put
(
skb
,
2
);
frame
=
skb_put
(
skb
,
2
);
frame
[
0
]
=
self
->
caddr
|
CMD_FRAME
;
frame
[
0
]
=
self
->
caddr
|
CMD_FRAME
;
frame
[
1
]
=
DISC_CMD
|
PF_BIT
;
frame
[
1
]
=
DISC_CMD
|
PF_BIT
;
...
@@ -296,17 +296,17 @@ void irlap_send_disc_frame(struct irlap_cb *self)
...
@@ -296,17 +296,17 @@ void irlap_send_disc_frame(struct irlap_cb *self)
* Function irlap_send_discovery_xid_frame (S, s, command)
* Function irlap_send_discovery_xid_frame (S, s, command)
*
*
* Build and transmit a XID (eXchange station IDentifier) discovery
* Build and transmit a XID (eXchange station IDentifier) discovery
* frame.
* frame.
*/
*/
void
irlap_send_discovery_xid_frame
(
struct
irlap_cb
*
self
,
int
S
,
__u8
s
,
void
irlap_send_discovery_xid_frame
(
struct
irlap_cb
*
self
,
int
S
,
__u8
s
,
__u8
command
,
discovery_t
*
discovery
)
__u8
command
,
discovery_t
*
discovery
)
{
{
struct
sk_buff
*
skb
=
NULL
;
struct
sk_buff
*
skb
=
NULL
;
struct
xid_frame
*
frame
;
struct
xid_frame
*
frame
;
__u32
bcast
=
BROADCAST
;
__u32
bcast
=
BROADCAST
;
__u8
*
info
;
__u8
*
info
;
IRDA_DEBUG
(
4
,
__FUNCTION__
"(), s=%d, S=%d, command=%d
\n
"
,
s
,
S
,
IRDA_DEBUG
(
4
,
__FUNCTION__
"(), s=%d, S=%d, command=%d
\n
"
,
s
,
S
,
command
);
command
);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
...
@@ -335,7 +335,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
...
@@ -335,7 +335,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
frame
->
daddr
=
cpu_to_le32
(
bcast
);
frame
->
daddr
=
cpu_to_le32
(
bcast
);
else
else
frame
->
daddr
=
cpu_to_le32
(
discovery
->
daddr
);
frame
->
daddr
=
cpu_to_le32
(
discovery
->
daddr
);
switch
(
S
)
{
switch
(
S
)
{
case
1
:
case
1
:
frame
->
flags
=
0x00
;
frame
->
flags
=
0x00
;
...
@@ -354,10 +354,10 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
...
@@ -354,10 +354,10 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
break
;
break
;
}
}
frame
->
slotnr
=
s
;
frame
->
slotnr
=
s
;
frame
->
version
=
0x00
;
frame
->
version
=
0x00
;
/*
/*
* Provide info for final slot only in commands, and for all
* Provide info for final slot only in commands, and for all
* responses. Send the second byte of the hint only if the
* responses. Send the second byte of the hint only if the
* EXTENSION bit is set in the first byte.
* EXTENSION bit is set in the first byte.
...
@@ -366,7 +366,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
...
@@ -366,7 +366,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
int
len
;
int
len
;
if
(
discovery
->
hints
.
byte
[
0
]
&
HINT_EXTENSION
)
{
if
(
discovery
->
hints
.
byte
[
0
]
&
HINT_EXTENSION
)
{
info
=
skb_put
(
skb
,
2
);
info
=
skb_put
(
skb
,
2
);
info
[
0
]
=
discovery
->
hints
.
byte
[
0
];
info
[
0
]
=
discovery
->
hints
.
byte
[
0
];
info
[
1
]
=
discovery
->
hints
.
byte
[
1
];
info
[
1
]
=
discovery
->
hints
.
byte
[
1
];
}
else
{
}
else
{
...
@@ -379,7 +379,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
...
@@ -379,7 +379,7 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
len
=
IRDA_MIN
(
discovery
->
name_len
,
skb_tailroom
(
skb
));
len
=
IRDA_MIN
(
discovery
->
name_len
,
skb_tailroom
(
skb
));
info
=
skb_put
(
skb
,
len
);
info
=
skb_put
(
skb
,
len
);
memcpy
(
info
,
discovery
->
nickname
,
len
);
memcpy
(
info
,
discovery
->
nickname
,
len
);
}
}
irlap_queue_xmit
(
self
,
skb
);
irlap_queue_xmit
(
self
,
skb
);
}
}
...
@@ -389,9 +389,9 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
...
@@ -389,9 +389,9 @@ void irlap_send_discovery_xid_frame(struct irlap_cb *self, int S, __u8 s,
* Received a XID discovery response
* Received a XID discovery response
*
*
*/
*/
static
void
irlap_recv_discovery_xid_rsp
(
struct
irlap_cb
*
self
,
static
void
irlap_recv_discovery_xid_rsp
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
struct
xid_frame
*
xid
;
struct
xid_frame
*
xid
;
discovery_t
*
discovery
=
NULL
;
discovery_t
*
discovery
=
NULL
;
...
@@ -410,13 +410,13 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
...
@@ -410,13 +410,13 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
/* Make sure frame is addressed to us */
/* Make sure frame is addressed to us */
if
((
info
->
saddr
!=
self
->
saddr
)
&&
(
info
->
saddr
!=
BROADCAST
))
{
if
((
info
->
saddr
!=
self
->
saddr
)
&&
(
info
->
saddr
!=
BROADCAST
))
{
IRDA_DEBUG
(
0
,
__FUNCTION__
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), frame is not addressed to us!
\n
"
);
"(), frame is not addressed to us!
\n
"
);
return
;
return
;
}
}
if
((
discovery
=
kmalloc
(
sizeof
(
discovery_t
),
GFP_ATOMIC
))
==
NULL
)
{
if
((
discovery
=
kmalloc
(
sizeof
(
discovery_t
),
GFP_ATOMIC
))
==
NULL
)
{
WARNING
(
__FUNCTION__
"(), kmalloc failed!
\n
"
);
WARNING
(
"%s: kmalloc failed!
\n
"
,
__FUNCTION__
);
return
;
return
;
}
}
memset
(
discovery
,
0
,
sizeof
(
discovery_t
));
memset
(
discovery
,
0
,
sizeof
(
discovery_t
));
...
@@ -441,11 +441,11 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
...
@@ -441,11 +441,11 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
discovery
->
charset
=
discovery_info
[
1
];
discovery
->
charset
=
discovery_info
[
1
];
text
=
(
char
*
)
&
discovery_info
[
2
];
text
=
(
char
*
)
&
discovery_info
[
2
];
}
}
/*
/*
* Terminate info string, should be safe since this is where the
* Terminate info string, should be safe since this is where the
* FCS bytes resides.
* FCS bytes resides.
*/
*/
skb
->
data
[
skb
->
len
]
=
'\0'
;
skb
->
data
[
skb
->
len
]
=
'\0'
;
strncpy
(
discovery
->
nickname
,
text
,
NICKNAME_MAX_LEN
);
strncpy
(
discovery
->
nickname
,
text
,
NICKNAME_MAX_LEN
);
discovery
->
name_len
=
strlen
(
discovery
->
nickname
);
discovery
->
name_len
=
strlen
(
discovery
->
nickname
);
...
@@ -460,9 +460,9 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
...
@@ -460,9 +460,9 @@ static void irlap_recv_discovery_xid_rsp(struct irlap_cb *self,
* Received a XID discovery command
* Received a XID discovery command
*
*
*/
*/
static
void
irlap_recv_discovery_xid_cmd
(
struct
irlap_cb
*
self
,
static
void
irlap_recv_discovery_xid_cmd
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
struct
xid_frame
*
xid
;
struct
xid_frame
*
xid
;
discovery_t
*
discovery
=
NULL
;
discovery_t
*
discovery
=
NULL
;
...
@@ -476,7 +476,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
...
@@ -476,7 +476,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
/* Make sure frame is addressed to us */
/* Make sure frame is addressed to us */
if
((
info
->
saddr
!=
self
->
saddr
)
&&
(
info
->
saddr
!=
BROADCAST
))
{
if
((
info
->
saddr
!=
self
->
saddr
)
&&
(
info
->
saddr
!=
BROADCAST
))
{
IRDA_DEBUG
(
0
,
__FUNCTION__
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), frame is not addressed to us!
\n
"
);
"(), frame is not addressed to us!
\n
"
);
return
;
return
;
}
}
...
@@ -500,16 +500,16 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
...
@@ -500,16 +500,16 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
return
;
return
;
}
}
info
->
s
=
xid
->
slotnr
;
info
->
s
=
xid
->
slotnr
;
discovery_info
=
skb_pull
(
skb
,
sizeof
(
struct
xid_frame
));
discovery_info
=
skb_pull
(
skb
,
sizeof
(
struct
xid_frame
));
/*
/*
* Check if last frame
* Check if last frame
*/
*/
if
(
info
->
s
==
0xff
)
{
if
(
info
->
s
==
0xff
)
{
/* Check if things are sane at this point... */
/* Check if things are sane at this point... */
if
((
discovery_info
==
NULL
)
||
(
skb
->
len
<
3
))
{
if
((
discovery_info
==
NULL
)
||
(
skb
->
len
<
3
))
{
ERROR
(
__FUNCTION__
"(), discovery frame to short!
\n
"
);
ERROR
(
"%s: discovery frame to short!
\n
"
,
__FUNCTION__
);
return
;
return
;
}
}
...
@@ -518,10 +518,10 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
...
@@ -518,10 +518,10 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
*/
*/
discovery
=
kmalloc
(
sizeof
(
discovery_t
),
GFP_ATOMIC
);
discovery
=
kmalloc
(
sizeof
(
discovery_t
),
GFP_ATOMIC
);
if
(
!
discovery
)
{
if
(
!
discovery
)
{
WARNING
(
__FUNCTION__
"(), unable to malloc!
\n
"
);
WARNING
(
"%s: unable to malloc!
\n
"
,
__FUNCTION__
);
return
;
return
;
}
}
discovery
->
daddr
=
info
->
daddr
;
discovery
->
daddr
=
info
->
daddr
;
discovery
->
saddr
=
self
->
saddr
;
discovery
->
saddr
=
self
->
saddr
;
discovery
->
timestamp
=
jiffies
;
discovery
->
timestamp
=
jiffies
;
...
@@ -536,11 +536,11 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
...
@@ -536,11 +536,11 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
discovery
->
charset
=
discovery_info
[
1
];
discovery
->
charset
=
discovery_info
[
1
];
text
=
(
char
*
)
&
discovery_info
[
2
];
text
=
(
char
*
)
&
discovery_info
[
2
];
}
}
/*
/*
* Terminate string, should be safe since this is where the
* Terminate string, should be safe since this is where the
* FCS bytes resides.
* FCS bytes resides.
*/
*/
skb
->
data
[
skb
->
len
]
=
'\0'
;
skb
->
data
[
skb
->
len
]
=
'\0'
;
strncpy
(
discovery
->
nickname
,
text
,
NICKNAME_MAX_LEN
);
strncpy
(
discovery
->
nickname
,
text
,
NICKNAME_MAX_LEN
);
discovery
->
name_len
=
strlen
(
discovery
->
nickname
);
discovery
->
name_len
=
strlen
(
discovery
->
nickname
);
...
@@ -557,7 +557,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
...
@@ -557,7 +557,7 @@ static void irlap_recv_discovery_xid_cmd(struct irlap_cb *self,
* Build and transmit RR (Receive Ready) frame. Notice that it is currently
* Build and transmit RR (Receive Ready) frame. Notice that it is currently
* only possible to send RR frames with the poll bit set.
* only possible to send RR frames with the poll bit set.
*/
*/
void
irlap_send_rr_frame
(
struct
irlap_cb
*
self
,
int
command
)
void
irlap_send_rr_frame
(
struct
irlap_cb
*
self
,
int
command
)
{
{
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
__u8
*
frame
;
__u8
*
frame
;
...
@@ -565,9 +565,9 @@ void irlap_send_rr_frame(struct irlap_cb *self, int command)
...
@@ -565,9 +565,9 @@ void irlap_send_rr_frame(struct irlap_cb *self, int command)
skb
=
dev_alloc_skb
(
16
);
skb
=
dev_alloc_skb
(
16
);
if
(
!
skb
)
if
(
!
skb
)
return
;
return
;
frame
=
skb_put
(
skb
,
2
);
frame
=
skb_put
(
skb
,
2
);
frame
[
0
]
=
self
->
caddr
;
frame
[
0
]
=
self
->
caddr
;
frame
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
frame
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
...
@@ -579,7 +579,7 @@ void irlap_send_rr_frame(struct irlap_cb *self, int command)
...
@@ -579,7 +579,7 @@ void irlap_send_rr_frame(struct irlap_cb *self, int command)
/*
/*
* Function irlap_send_rd_frame (self)
* Function irlap_send_rd_frame (self)
*
*
* Request disconnect. Used by a secondary station to request the
* Request disconnect. Used by a secondary station to request the
* disconnection of the link.
* disconnection of the link.
*/
*/
void
irlap_send_rd_frame
(
struct
irlap_cb
*
self
)
void
irlap_send_rd_frame
(
struct
irlap_cb
*
self
)
...
@@ -590,9 +590,9 @@ void irlap_send_rd_frame(struct irlap_cb *self)
...
@@ -590,9 +590,9 @@ void irlap_send_rd_frame(struct irlap_cb *self)
skb
=
dev_alloc_skb
(
16
);
skb
=
dev_alloc_skb
(
16
);
if
(
!
skb
)
if
(
!
skb
)
return
;
return
;
frame
=
skb_put
(
skb
,
2
);
frame
=
skb_put
(
skb
,
2
);
frame
[
0
]
=
self
->
caddr
;
frame
[
0
]
=
self
->
caddr
;
frame
[
1
]
=
RD_RSP
|
PF_BIT
;
frame
[
1
]
=
RD_RSP
|
PF_BIT
;
...
@@ -606,8 +606,8 @@ void irlap_send_rd_frame(struct irlap_cb *self)
...
@@ -606,8 +606,8 @@ void irlap_send_rd_frame(struct irlap_cb *self)
* making it inline since its called only from one single place
* making it inline since its called only from one single place
* (irlap_driver_rcv).
* (irlap_driver_rcv).
*/
*/
static
inline
void
irlap_recv_rr_frame
(
struct
irlap_cb
*
self
,
static
inline
void
irlap_recv_rr_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
...
@@ -623,7 +623,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
...
@@ -623,7 +623,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
{
{
struct
sk_buff
*
skb
=
NULL
;
struct
sk_buff
*
skb
=
NULL
;
__u8
*
frame
;
__u8
*
frame
;
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
...
@@ -632,7 +632,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
...
@@ -632,7 +632,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
return
;
return
;
frame
=
skb_put
(
skb
,
2
);
frame
=
skb_put
(
skb
,
2
);
frame
[
0
]
=
self
->
caddr
;
frame
[
0
]
=
self
->
caddr
;
frame
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
frame
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
...
@@ -642,7 +642,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
...
@@ -642,7 +642,7 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
frame
[
2
]
=
0
;
frame
[
2
]
=
0
;
IRDA_DEBUG
(
4
,
__FUNCTION__
"(), vr=%d, %ld
\n
"
,
self
->
vr
,
jiffies
);
IRDA_DEBUG
(
4
,
__FUNCTION__
"(), vr=%d, %ld
\n
"
,
self
->
vr
,
jiffies
);
irlap_queue_xmit
(
self
,
skb
);
irlap_queue_xmit
(
self
,
skb
);
}
}
...
@@ -653,8 +653,8 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
...
@@ -653,8 +653,8 @@ void irlap_send_frmr_frame( struct irlap_cb *self, int command)
* Received RNR (Receive Not Ready) frame from peer station
* Received RNR (Receive Not Ready) frame from peer station
*
*
*/
*/
static
void
irlap_recv_rnr_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_rnr_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
...
@@ -666,13 +666,13 @@ static void irlap_recv_rnr_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -666,13 +666,13 @@ static void irlap_recv_rnr_frame(struct irlap_cb *self, struct sk_buff *skb,
irlap_do_event
(
self
,
RECV_RNR_RSP
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_RNR_RSP
,
skb
,
info
);
}
}
static
void
irlap_recv_rej_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_rej_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
/* Check if this is a command or a response frame */
/* Check if this is a command or a response frame */
if
(
command
)
if
(
command
)
irlap_do_event
(
self
,
RECV_REJ_CMD
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_REJ_CMD
,
skb
,
info
);
...
@@ -680,13 +680,13 @@ static void irlap_recv_rej_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -680,13 +680,13 @@ static void irlap_recv_rej_frame(struct irlap_cb *self, struct sk_buff *skb,
irlap_do_event
(
self
,
RECV_REJ_RSP
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_REJ_RSP
,
skb
,
info
);
}
}
static
void
irlap_recv_srej_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_srej_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
/* Check if this is a command or a response frame */
/* Check if this is a command or a response frame */
if
(
command
)
if
(
command
)
irlap_do_event
(
self
,
RECV_SREJ_CMD
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_SREJ_CMD
,
skb
,
info
);
...
@@ -694,7 +694,7 @@ static void irlap_recv_srej_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -694,7 +694,7 @@ static void irlap_recv_srej_frame(struct irlap_cb *self, struct sk_buff *skb,
irlap_do_event
(
self
,
RECV_SREJ_RSP
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_SREJ_RSP
,
skb
,
info
);
}
}
static
void
irlap_recv_disc_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_disc_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
IRDA_DEBUG
(
2
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
2
,
__FUNCTION__
"()
\n
"
);
...
@@ -712,9 +712,9 @@ static void irlap_recv_disc_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -712,9 +712,9 @@ static void irlap_recv_disc_frame(struct irlap_cb *self, struct sk_buff *skb,
* Received UA (Unnumbered Acknowledgement) frame
* Received UA (Unnumbered Acknowledgement) frame
*
*
*/
*/
static
inline
void
irlap_recv_ua_frame
(
struct
irlap_cb
*
self
,
static
inline
void
irlap_recv_ua_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
irlap_do_event
(
self
,
RECV_UA_RSP
,
skb
,
info
);
irlap_do_event
(
self
,
RECV_UA_RSP
,
skb
,
info
);
}
}
...
@@ -731,25 +731,25 @@ void irlap_send_data_primary(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -731,25 +731,25 @@ void irlap_send_data_primary(struct irlap_cb *self, struct sk_buff *skb)
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
/*
/*
* Insert frame sequence number (Vs) in control field before
* Insert frame sequence number (Vs) in control field before
* inserting into transmit window queue.
* inserting into transmit window queue.
*/
*/
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
/* Copy buffer */
/* Copy buffer */
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
if
(
tx_skb
==
NULL
)
{
if
(
tx_skb
==
NULL
)
{
return
;
return
;
}
}
/*
/*
* Insert frame in store, in case of retransmissions
* Insert frame in store, in case of retransmissions
*/
*/
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
ack_required
=
FALSE
;
self
->
ack_required
=
FALSE
;
self
->
window
-=
1
;
self
->
window
-=
1
;
irlap_send_i_frame
(
self
,
tx_skb
,
CMD_FRAME
);
irlap_send_i_frame
(
self
,
tx_skb
,
CMD_FRAME
);
...
@@ -764,40 +764,40 @@ void irlap_send_data_primary(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -764,40 +764,40 @@ void irlap_send_data_primary(struct irlap_cb *self, struct sk_buff *skb)
*
*
* Send I(nformation) frame as primary with poll bit set
* Send I(nformation) frame as primary with poll bit set
*/
*/
void
irlap_send_data_primary_poll
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
void
irlap_send_data_primary_poll
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
{
{
struct
sk_buff
*
tx_skb
;
struct
sk_buff
*
tx_skb
;
/* Stop P timer */
/* Stop P timer */
del_timer
(
&
self
->
poll_timer
);
del_timer
(
&
self
->
poll_timer
);
/* Is this reliable or unreliable data? */
/* Is this reliable or unreliable data? */
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
/*
/*
* Insert frame sequence number (Vs) in control field before
* Insert frame sequence number (Vs) in control field before
* inserting into transmit window queue.
* inserting into transmit window queue.
*/
*/
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
/* Copy buffer */
/* Copy buffer */
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
if
(
tx_skb
==
NULL
)
{
if
(
tx_skb
==
NULL
)
{
return
;
return
;
}
}
/*
/*
* Insert frame in store, in case of retransmissions
* Insert frame in store, in case of retransmissions
*/
*/
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
/*
/*
* Set poll bit if necessary. We do this to the copied
* Set poll bit if necessary. We do this to the copied
* skb, since retransmitted need to set or clear the poll
* skb, since retransmitted need to set or clear the poll
* bit depending on when they are sent.
* bit depending on when they are sent.
*/
*/
tx_skb
->
data
[
1
]
|=
PF_BIT
;
tx_skb
->
data
[
1
]
|=
PF_BIT
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
ack_required
=
FALSE
;
self
->
ack_required
=
FALSE
;
...
@@ -830,8 +830,8 @@ void irlap_send_data_primary_poll(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -830,8 +830,8 @@ void irlap_send_data_primary_poll(struct irlap_cb *self, struct sk_buff *skb)
* Send I(nformation) frame as secondary with final bit set
* Send I(nformation) frame as secondary with final bit set
*
*
*/
*/
void
irlap_send_data_secondary_final
(
struct
irlap_cb
*
self
,
void
irlap_send_data_secondary_final
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
struct
sk_buff
*
skb
)
{
{
struct
sk_buff
*
tx_skb
=
NULL
;
struct
sk_buff
*
tx_skb
=
NULL
;
...
@@ -842,26 +842,26 @@ void irlap_send_data_secondary_final(struct irlap_cb *self,
...
@@ -842,26 +842,26 @@ void irlap_send_data_secondary_final(struct irlap_cb *self,
/* Is this reliable or unreliable data? */
/* Is this reliable or unreliable data? */
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
/*
/*
* Insert frame sequence number (Vs) in control field before
* Insert frame sequence number (Vs) in control field before
* inserting into transmit window queue.
* inserting into transmit window queue.
*/
*/
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
if
(
tx_skb
==
NULL
)
{
if
(
tx_skb
==
NULL
)
{
return
;
return
;
}
}
/* Insert frame in store */
/* Insert frame in store */
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
tx_skb
->
data
[
1
]
|=
PF_BIT
;
tx_skb
->
data
[
1
]
|=
PF_BIT
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
ack_required
=
FALSE
;
self
->
ack_required
=
FALSE
;
irlap_send_i_frame
(
self
,
tx_skb
,
RSP_FRAME
);
irlap_send_i_frame
(
self
,
tx_skb
,
RSP_FRAME
);
}
else
{
}
else
{
if
(
self
->
ack_required
)
{
if
(
self
->
ack_required
)
{
irlap_send_ui_frame
(
self
,
skb_get
(
skb
),
self
->
caddr
,
RSP_FRAME
);
irlap_send_ui_frame
(
self
,
skb_get
(
skb
),
self
->
caddr
,
RSP_FRAME
);
...
@@ -888,32 +888,32 @@ void irlap_send_data_secondary_final(struct irlap_cb *self,
...
@@ -888,32 +888,32 @@ void irlap_send_data_secondary_final(struct irlap_cb *self,
* Send I(nformation) frame as secondary without final bit set
* Send I(nformation) frame as secondary without final bit set
*
*
*/
*/
void
irlap_send_data_secondary
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
void
irlap_send_data_secondary
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
)
{
{
struct
sk_buff
*
tx_skb
=
NULL
;
struct
sk_buff
*
tx_skb
=
NULL
;
/* Is this reliable or unreliable data? */
/* Is this reliable or unreliable data? */
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
if
(
skb
->
data
[
1
]
==
I_FRAME
)
{
/*
/*
* Insert frame sequence number (Vs) in control field before
* Insert frame sequence number (Vs) in control field before
* inserting into transmit window queue.
* inserting into transmit window queue.
*/
*/
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
skb
->
data
[
1
]
=
I_FRAME
|
(
self
->
vs
<<
1
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_clone
(
skb
,
GFP_ATOMIC
);
if
(
tx_skb
==
NULL
)
{
if
(
tx_skb
==
NULL
)
{
return
;
return
;
}
}
/* Insert frame in store */
/* Insert frame in store */
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
skb_queue_tail
(
&
self
->
wx_list
,
skb_get
(
skb
));
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
vs
=
(
self
->
vs
+
1
)
%
8
;
self
->
ack_required
=
FALSE
;
self
->
ack_required
=
FALSE
;
self
->
window
-=
1
;
self
->
window
-=
1
;
irlap_send_i_frame
(
self
,
tx_skb
,
RSP_FRAME
);
irlap_send_i_frame
(
self
,
tx_skb
,
RSP_FRAME
);
}
else
{
}
else
{
irlap_send_ui_frame
(
self
,
skb_get
(
skb
),
self
->
caddr
,
RSP_FRAME
);
irlap_send_ui_frame
(
self
,
skb_get
(
skb
),
self
->
caddr
,
RSP_FRAME
);
self
->
window
-=
1
;
self
->
window
-=
1
;
...
@@ -923,8 +923,8 @@ void irlap_send_data_secondary(struct irlap_cb *self, struct sk_buff *skb)
...
@@ -923,8 +923,8 @@ void irlap_send_data_secondary(struct irlap_cb *self, struct sk_buff *skb)
/*
/*
* Function irlap_resend_rejected_frames (nr)
* Function irlap_resend_rejected_frames (nr)
*
*
* Resend frames which has not been acknowledged. Should be safe to
* Resend frames which has not been acknowledged. Should be safe to
* traverse the list without locking it since this function will only be
* traverse the list without locking it since this function will only be
* called from interrupt context (BH)
* called from interrupt context (BH)
*/
*/
void
irlap_resend_rejected_frames
(
struct
irlap_cb
*
self
,
int
command
)
void
irlap_resend_rejected_frames
(
struct
irlap_cb
*
self
,
int
command
)
...
@@ -946,8 +946,8 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
...
@@ -946,8 +946,8 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
while
(
skb
!=
NULL
)
{
while
(
skb
!=
NULL
)
{
irlap_wait_min_turn_around
(
self
,
&
self
->
qos_tx
);
irlap_wait_min_turn_around
(
self
,
&
self
->
qos_tx
);
/* We copy the skb to be retransmitted since we will have to
/* We copy the skb to be retransmitted since we will have to
* modify it. Cloning will confuse packet sniffers
* modify it. Cloning will confuse packet sniffers
*/
*/
/* tx_skb = skb_clone( skb, GFP_ATOMIC); */
/* tx_skb = skb_clone( skb, GFP_ATOMIC); */
tx_skb
=
skb_copy
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_copy
(
skb
,
GFP_ATOMIC
);
...
@@ -962,17 +962,17 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
...
@@ -962,17 +962,17 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
/* Clear old Nr field + poll bit */
/* Clear old Nr field + poll bit */
tx_skb
->
data
[
1
]
&=
0x0f
;
tx_skb
->
data
[
1
]
&=
0x0f
;
/*
/*
* Set poll bit on the last frame retransmitted
* Set poll bit on the last frame retransmitted
*/
*/
if
(
count
--
==
1
)
if
(
count
--
==
1
)
tx_skb
->
data
[
1
]
|=
PF_BIT
;
/* Set p/f bit */
tx_skb
->
data
[
1
]
|=
PF_BIT
;
/* Set p/f bit */
else
else
tx_skb
->
data
[
1
]
&=
~
PF_BIT
;
/* Clear p/f bit */
tx_skb
->
data
[
1
]
&=
~
PF_BIT
;
/* Clear p/f bit */
irlap_send_i_frame
(
self
,
tx_skb
,
command
);
irlap_send_i_frame
(
self
,
tx_skb
,
command
);
/*
/*
* If our skb is the last buffer in the list, then
* If our skb is the last buffer in the list, then
* we are finished, if not, move to the next sk-buffer
* we are finished, if not, move to the next sk-buffer
*/
*/
...
@@ -982,23 +982,23 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
...
@@ -982,23 +982,23 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
skb
=
skb
->
next
;
skb
=
skb
->
next
;
}
}
#if 0 /* Not yet */
#if 0 /* Not yet */
/*
/*
* We can now fill the window with additinal data frames
* We can now fill the window with additinal data frames
*/
*/
while (skb_queue_len( &self->txq) > 0) {
while (skb_queue_len( &self->txq) > 0) {
IRDA_DEBUG(0, __FUNCTION__ "(), sending additional frames!\n");
IRDA_DEBUG(0, __FUNCTION__ "(), sending additional frames!\n");
if ((skb_queue_len( &self->txq) > 0) &&
if ((skb_queue_len( &self->txq) > 0) &&
(self->window > 0)) {
(self->window > 0)) {
skb = skb_dequeue( &self->txq);
skb = skb_dequeue( &self->txq);
ASSERT(skb != NULL, return;);
ASSERT(skb != NULL, return;);
/*
/*
* If send window > 1 then send frame with pf
* If send window > 1 then send frame with pf
* bit cleared
* bit cleared
*/
*/
if ((self->window > 1) &&
if ((self->window > 1) &&
skb_queue_len(&self->txq) > 0)
skb_queue_len(&self->txq) > 0)
{
{
irlap_send_data_primary(self, skb);
irlap_send_data_primary(self, skb);
} else {
} else {
...
@@ -1026,14 +1026,14 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
...
@@ -1026,14 +1026,14 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
if
(
skb
!=
NULL
)
{
if
(
skb
!=
NULL
)
{
irlap_wait_min_turn_around
(
self
,
&
self
->
qos_tx
);
irlap_wait_min_turn_around
(
self
,
&
self
->
qos_tx
);
/* We copy the skb to be retransmitted since we will have to
/* We copy the skb to be retransmitted since we will have to
* modify it. Cloning will confuse packet sniffers
* modify it. Cloning will confuse packet sniffers
*/
*/
/* tx_skb = skb_clone( skb, GFP_ATOMIC); */
/* tx_skb = skb_clone( skb, GFP_ATOMIC); */
tx_skb
=
skb_copy
(
skb
,
GFP_ATOMIC
);
tx_skb
=
skb_copy
(
skb
,
GFP_ATOMIC
);
if
(
!
tx_skb
)
{
if
(
!
tx_skb
)
{
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), unable to copy
\n
"
);
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), unable to copy
\n
"
);
return
;
return
;
}
}
/* Unlink tx_skb from list */
/* Unlink tx_skb from list */
tx_skb
->
next
=
tx_skb
->
prev
=
NULL
;
tx_skb
->
next
=
tx_skb
->
prev
=
NULL
;
...
@@ -1044,7 +1044,7 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
...
@@ -1044,7 +1044,7 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
/* Set poll/final bit */
/* Set poll/final bit */
tx_skb
->
data
[
1
]
|=
PF_BIT
;
/* Set p/f bit */
tx_skb
->
data
[
1
]
|=
PF_BIT
;
/* Set p/f bit */
irlap_send_i_frame
(
self
,
tx_skb
,
command
);
irlap_send_i_frame
(
self
,
tx_skb
,
command
);
}
}
}
}
...
@@ -1055,15 +1055,15 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
...
@@ -1055,15 +1055,15 @@ void irlap_resend_rejected_frame(struct irlap_cb *self, int command)
* Contruct and transmit an Unnumbered Information (UI) frame
* Contruct and transmit an Unnumbered Information (UI) frame
*
*
*/
*/
void
irlap_send_ui_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
void
irlap_send_ui_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
__u8
caddr
,
int
command
)
__u8
caddr
,
int
command
)
{
{
IRDA_DEBUG
(
4
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
4
,
__FUNCTION__
"()
\n
"
);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
skb
!=
NULL
,
return
;);
ASSERT
(
skb
!=
NULL
,
return
;);
/* Insert connection address */
/* Insert connection address */
skb
->
data
[
0
]
=
caddr
|
((
command
)
?
CMD_FRAME
:
0
);
skb
->
data
[
0
]
=
caddr
|
((
command
)
?
CMD_FRAME
:
0
);
...
@@ -1075,13 +1075,13 @@ void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1075,13 +1075,13 @@ void irlap_send_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
*
*
* Contruct and transmit Information (I) frame
* Contruct and transmit Information (I) frame
*/
*/
void
irlap_send_i_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
void
irlap_send_i_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
int
command
)
int
command
)
{
{
/* Insert connection address */
/* Insert connection address */
skb
->
data
[
0
]
=
self
->
caddr
;
skb
->
data
[
0
]
=
self
->
caddr
;
skb
->
data
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
skb
->
data
[
0
]
|=
(
command
)
?
CMD_FRAME
:
0
;
/* Insert next to receive (Vr) */
/* Insert next to receive (Vr) */
skb
->
data
[
1
]
|=
(
self
->
vr
<<
5
);
/* insert nr */
skb
->
data
[
1
]
|=
(
self
->
vr
<<
5
);
/* insert nr */
...
@@ -1094,9 +1094,9 @@ void irlap_send_i_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1094,9 +1094,9 @@ void irlap_send_i_frame(struct irlap_cb *self, struct sk_buff *skb,
* Receive and parse an I (Information) frame, no harm in making it inline
* Receive and parse an I (Information) frame, no harm in making it inline
* since it's called only from one single place (irlap_driver_rcv).
* since it's called only from one single place (irlap_driver_rcv).
*/
*/
static
inline
void
irlap_recv_i_frame
(
struct
irlap_cb
*
self
,
static
inline
void
irlap_recv_i_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
/* Next to receive */
info
->
nr
=
skb
->
data
[
1
]
>>
5
;
/* Next to receive */
info
->
pf
=
skb
->
data
[
1
]
&
PF_BIT
;
/* Final bit */
info
->
pf
=
skb
->
data
[
1
]
&
PF_BIT
;
/* Final bit */
...
@@ -1115,7 +1115,7 @@ static inline void irlap_recv_i_frame(struct irlap_cb *self,
...
@@ -1115,7 +1115,7 @@ static inline void irlap_recv_i_frame(struct irlap_cb *self,
* Receive and parse an Unnumbered Information (UI) frame
* Receive and parse an Unnumbered Information (UI) frame
*
*
*/
*/
static
void
irlap_recv_ui_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_ui_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
IRDA_DEBUG
(
4
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
4
,
__FUNCTION__
"()
\n
"
);
...
@@ -1131,19 +1131,19 @@ static void irlap_recv_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1131,19 +1131,19 @@ static void irlap_recv_ui_frame(struct irlap_cb *self, struct sk_buff *skb,
* Received Frame Reject response.
* Received Frame Reject response.
*
*
*/
*/
static
void
irlap_recv_frmr_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_frmr_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
)
struct
irlap_info
*
info
)
{
{
__u8
*
frame
;
__u8
*
frame
;
int
w
,
x
,
y
,
z
;
int
w
,
x
,
y
,
z
;
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
0
,
__FUNCTION__
"()
\n
"
);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
!=
NULL
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
self
->
magic
==
LAP_MAGIC
,
return
;);
ASSERT
(
skb
!=
NULL
,
return
;);
ASSERT
(
skb
!=
NULL
,
return
;);
ASSERT
(
info
!=
NULL
,
return
;);
ASSERT
(
info
!=
NULL
,
return
;);
frame
=
skb
->
data
;
frame
=
skb
->
data
;
info
->
nr
=
frame
[
2
]
>>
5
;
/* Next to receive */
info
->
nr
=
frame
[
2
]
>>
5
;
/* Next to receive */
...
@@ -1154,11 +1154,11 @@ static void irlap_recv_frmr_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1154,11 +1154,11 @@ static void irlap_recv_frmr_frame(struct irlap_cb *self, struct sk_buff *skb,
x
=
frame
[
3
]
&
0x02
;
x
=
frame
[
3
]
&
0x02
;
y
=
frame
[
3
]
&
0x04
;
y
=
frame
[
3
]
&
0x04
;
z
=
frame
[
3
]
&
0x08
;
z
=
frame
[
3
]
&
0x08
;
if
(
w
)
{
if
(
w
)
{
IRDA_DEBUG
(
0
,
"Rejected control field is undefined or not "
IRDA_DEBUG
(
0
,
"Rejected control field is undefined or not "
"implemented.
\n
"
);
"implemented.
\n
"
);
}
}
if
(
x
)
{
if
(
x
)
{
IRDA_DEBUG
(
0
,
"Rejected control field was invalid because it "
IRDA_DEBUG
(
0
,
"Rejected control field was invalid because it "
"contained a non permitted I field.
\n
"
);
"contained a non permitted I field.
\n
"
);
...
@@ -1181,7 +1181,7 @@ static void irlap_recv_frmr_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1181,7 +1181,7 @@ static void irlap_recv_frmr_frame(struct irlap_cb *self, struct sk_buff *skb,
* Send a test frame response
* Send a test frame response
*
*
*/
*/
void
irlap_send_test_frame
(
struct
irlap_cb
*
self
,
__u8
caddr
,
__u32
daddr
,
void
irlap_send_test_frame
(
struct
irlap_cb
*
self
,
__u8
caddr
,
__u32
daddr
,
struct
sk_buff
*
cmd
)
struct
sk_buff
*
cmd
)
{
{
struct
sk_buff
*
skb
;
struct
sk_buff
*
skb
;
...
@@ -1194,7 +1194,7 @@ void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
...
@@ -1194,7 +1194,7 @@ void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
/* Broadcast frames must include saddr and daddr fields */
/* Broadcast frames must include saddr and daddr fields */
if
(
caddr
==
CBROADCAST
)
{
if
(
caddr
==
CBROADCAST
)
{
frame
=
(
struct
test_frame
*
)
frame
=
(
struct
test_frame
*
)
skb_put
(
skb
,
sizeof
(
struct
test_frame
));
skb_put
(
skb
,
sizeof
(
struct
test_frame
));
/* Insert the swapped addresses */
/* Insert the swapped addresses */
...
@@ -1221,29 +1221,29 @@ void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
...
@@ -1221,29 +1221,29 @@ void irlap_send_test_frame(struct irlap_cb *self, __u8 caddr, __u32 daddr,
* Receive a test frame
* Receive a test frame
*
*
*/
*/
static
void
irlap_recv_test_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
static
void
irlap_recv_test_frame
(
struct
irlap_cb
*
self
,
struct
sk_buff
*
skb
,
struct
irlap_info
*
info
,
int
command
)
struct
irlap_info
*
info
,
int
command
)
{
{
struct
test_frame
*
frame
;
struct
test_frame
*
frame
;
IRDA_DEBUG
(
2
,
__FUNCTION__
"()
\n
"
);
IRDA_DEBUG
(
2
,
__FUNCTION__
"()
\n
"
);
frame
=
(
struct
test_frame
*
)
skb
->
data
;
frame
=
(
struct
test_frame
*
)
skb
->
data
;
/* Broadcast frames must carry saddr and daddr fields */
/* Broadcast frames must carry saddr and daddr fields */
if
(
info
->
caddr
==
CBROADCAST
)
{
if
(
info
->
caddr
==
CBROADCAST
)
{
if
(
skb
->
len
<
sizeof
(
struct
test_frame
))
{
if
(
skb
->
len
<
sizeof
(
struct
test_frame
))
{
IRDA_DEBUG
(
0
,
__FUNCTION__
IRDA_DEBUG
(
0
,
__FUNCTION__
"() test frame to short!
\n
"
);
"() test frame to short!
\n
"
);
return
;
return
;
}
}
/* Read and swap addresses */
/* Read and swap addresses */
info
->
daddr
=
le32_to_cpu
(
frame
->
saddr
);
info
->
daddr
=
le32_to_cpu
(
frame
->
saddr
);
info
->
saddr
=
le32_to_cpu
(
frame
->
daddr
);
info
->
saddr
=
le32_to_cpu
(
frame
->
daddr
);
/* Make sure frame is addressed to us */
/* Make sure frame is addressed to us */
if
((
info
->
saddr
!=
self
->
saddr
)
&&
if
((
info
->
saddr
!=
self
->
saddr
)
&&
(
info
->
saddr
!=
BROADCAST
))
{
(
info
->
saddr
!=
BROADCAST
))
{
return
;
return
;
}
}
...
@@ -1258,18 +1258,18 @@ static void irlap_recv_test_frame(struct irlap_cb *self, struct sk_buff *skb,
...
@@ -1258,18 +1258,18 @@ static void irlap_recv_test_frame(struct irlap_cb *self, struct sk_buff *skb,
/*
/*
* Function irlap_driver_rcv (skb, netdev, ptype)
* Function irlap_driver_rcv (skb, netdev, ptype)
*
*
* Called when a frame is received. Dispatches the right receive function
* Called when a frame is received. Dispatches the right receive function
* for processing of the frame.
* for processing of the frame.
*
*
*/
*/
int
irlap_driver_rcv
(
struct
sk_buff
*
skb
,
struct
net_device
*
dev
,
int
irlap_driver_rcv
(
struct
sk_buff
*
skb
,
struct
net_device
*
dev
,
struct
packet_type
*
ptype
)
struct
packet_type
*
ptype
)
{
{
struct
irlap_info
info
;
struct
irlap_info
info
;
struct
irlap_cb
*
self
;
struct
irlap_cb
*
self
;
int
command
;
int
command
;
__u8
control
;
__u8
control
;
/* FIXME: should we get our own field? */
/* FIXME: should we get our own field? */
self
=
(
struct
irlap_cb
*
)
dev
->
atalk_ptr
;
self
=
(
struct
irlap_cb
*
)
dev
->
atalk_ptr
;
...
@@ -1281,14 +1281,14 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
...
@@ -1281,14 +1281,14 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
/* Check if frame is large enough for parsing */
/* Check if frame is large enough for parsing */
if
(
skb
->
len
<
2
)
{
if
(
skb
->
len
<
2
)
{
ERROR
(
__FUNCTION__
"(), frame to short!
\n
"
);
ERROR
(
"%s: frame to short!
\n
"
,
__FUNCTION__
);
dev_kfree_skb
(
skb
);
dev_kfree_skb
(
skb
);
return
-
1
;
return
-
1
;
}
}
command
=
skb
->
data
[
0
]
&
CMD_FRAME
;
command
=
skb
->
data
[
0
]
&
CMD_FRAME
;
info
.
caddr
=
skb
->
data
[
0
]
&
CBROADCAST
;
info
.
caddr
=
skb
->
data
[
0
]
&
CBROADCAST
;
info
.
pf
=
skb
->
data
[
1
]
&
PF_BIT
;
info
.
pf
=
skb
->
data
[
1
]
&
PF_BIT
;
info
.
control
=
skb
->
data
[
1
]
&
~
PF_BIT
;
/* Mask away poll/final bit */
info
.
control
=
skb
->
data
[
1
]
&
~
PF_BIT
;
/* Mask away poll/final bit */
...
@@ -1299,7 +1299,7 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
...
@@ -1299,7 +1299,7 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), wrong connection address!
\n
"
);
IRDA_DEBUG
(
0
,
__FUNCTION__
"(), wrong connection address!
\n
"
);
goto
out
;
goto
out
;
}
}
/*
/*
* Optimize for the common case and check if the frame is an
* Optimize for the common case and check if the frame is an
* I(nformation) frame. Only I-frames have bit 0 set to 0
* I(nformation) frame. Only I-frames have bit 0 set to 0
*/
*/
...
@@ -1308,11 +1308,11 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
...
@@ -1308,11 +1308,11 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
goto
out
;
goto
out
;
}
}
/*
/*
* We now check is the frame is an S(upervisory) frame. Only
* We now check is the frame is an S(upervisory) frame. Only
* S-frames have bit 0 set to 1 and bit 1 set to 0
* S-frames have bit 0 set to 1 and bit 1 set to 0
*/
*/
if
(
~
control
&
0x02
)
{
if
(
~
control
&
0x02
)
{
/*
/*
* Received S(upervisory) frame, check which frame type it is
* Received S(upervisory) frame, check which frame type it is
* only the first nibble is of interest
* only the first nibble is of interest
*/
*/
...
@@ -1330,15 +1330,14 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
...
@@ -1330,15 +1330,14 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
irlap_recv_srej_frame
(
self
,
skb
,
&
info
,
command
);
irlap_recv_srej_frame
(
self
,
skb
,
&
info
,
command
);
break
;
break
;
default:
default:
WARNING
(
__FUNCTION__
WARNING
(
"%s: Unknown S-frame %02x received!
\n
"
,
"() Unknown S-frame %02x received!
\n
"
,
__FUNCTION__
,
info
.
control
);
info
.
control
);
break
;
break
;
}
}
goto
out
;
goto
out
;
}
}
/*
/*
* This must be a C(ontrol) frame
* This must be a C(ontrol) frame
*/
*/
switch
(
control
)
{
switch
(
control
)
{
case
XID_RSP
:
case
XID_RSP
:
...
@@ -1369,11 +1368,11 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
...
@@ -1369,11 +1368,11 @@ int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
irlap_recv_ui_frame
(
self
,
skb
,
&
info
);
irlap_recv_ui_frame
(
self
,
skb
,
&
info
);
break
;
break
;
default:
default:
WARNING
(
__FUNCTION__
"(), Unknown frame %02x received!
\n
"
,
WARNING
(
"%s: Unknown frame %02x received!
\n
"
,
info
.
control
);
__FUNCTION__
,
info
.
control
);
break
;
break
;
}
}
out:
out:
dev_kfree_skb
(
skb
);
dev_kfree_skb
(
skb
);
return
0
;
return
0
;
}
}
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