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atm: add release_cb() callback to vcc

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The immediate use case for this is that it will allow us to ensure that a
pppoatm queue is woken after it has to drop a packet due to the sock being
locked.

Note that 'release_cb' is called when the socket is *unlocked*. This is
not to be confused with vcc_release() — which probably ought to be called
vcc_close().

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Krzysztof Mazur <krzysiek@podlesie.net>
This commit is contained in:
David Woodhouse 2012-11-28 00:03:11 +00:00
parent 7ad3eadebc
commit c971f08cba
2 changed files with 11 additions and 0 deletions
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1
include/linux/atmdev.h
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@ -99,6 +99,7 @@ struct atm_vcc {
struct atm_dev *dev; /* device back pointer */
struct atm_qos qos; /* QOS */
struct atm_sap sap; /* SAP */
void (*release_cb)(struct atm_vcc *vcc); /* release_sock callback */
void (*push)(struct atm_vcc *vcc,struct sk_buff *skb);
void (*pop)(struct atm_vcc *vcc,struct sk_buff *skb); /* optional */
int (*push_oam)(struct atm_vcc *vcc,void *cell);