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Simple PCIe FMC carrier SPEC - Software
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Simple PCIe FMC carrier SPEC - Software
Commits
12de1ba3
Commit
12de1ba3
authored
Oct 31, 2014
by
Adam Wujek
💬
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wr_nic: unify xmit spinlock in nic-core.c (spec)
Signed-off-by:
Adam Wujek
<
adam.wujek@cern.ch
>
parent
8949b7ba
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13 additions
and
5 deletions
+13
-5
nic-core.c
kernel/wr_nic/nic-core.c
+13
-5
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kernel/wr_nic/nic-core.c
View file @
12de1ba3
...
...
@@ -162,7 +162,7 @@ static int wrn_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct
wrn_ep
*
ep
=
netdev_priv
(
dev
);
struct
wrn_dev
*
wrn
=
ep
->
wrn
;
struct
skb_shared_info
*
info
=
skb_shinfo
(
skb
);
//
unsigned long flags;
unsigned
long
flags
;
int
desc
;
int
id
;
int
do_stamp
=
0
;
...
...
@@ -176,13 +176,21 @@ static int wrn_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
/* Allocate a descriptor and id (start from last allocated) */
//spin_lock_irqsave(&wrn->lock, flags);
if
(
WR_IS_SWITCH
){
spin_lock_irqsave
(
&
wrn
->
lock
,
flags
);
}
desc
=
__wrn_alloc_tx_desc
(
wrn
);
id
=
(
wrn
->
id
++
)
&
0xffff
;
if
(
WR_IS_SWITCH
){
spin_unlock_irqrestore
(
&
wrn
->
lock
,
flags
);
}
if
(
WR_IS_NODE
){
if
(
id
==
0
)
id
=
wrn
->
id
++
;
/* 0 cannot be used in the SPEC */
//spin_unlock_irqrestore(&wrn->lock, flags);
}
if
(
desc
<
0
)
/* error */
return
desc
;
...
...
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