diff options
| author | Wei Yongjun | 2011-04-17 17:29:03 +0000 |
|---|---|---|
| committer | David S. Miller | 2011-04-21 10:35:44 -0700 |
| commit | e1cdd553d482ceb083fac5e544e8702fccefbfd6 (patch) | |
| tree | b2b0f0bdc7a90c03a91bba6289143ae0056c651a /include/net/sctp | |
| parent | ee916fd0fdb8f43dacaab431de3e1f7225039d72 (diff) | |
sctp: implement event notification SCTP_SENDER_DRY_EVENT
This patch implement event notification SCTP_SENDER_DRY_EVENT.
SCTP Socket API Extensions:
6.1.9. SCTP_SENDER_DRY_EVENT
When the SCTP stack has no more user data to send or retransmit, this
notification is given to the user. Also, at the time when a user app
subscribes to this event, if there is no data to be sent or
retransmit, the stack will immediately send up this notification.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp')
| -rw-r--r-- | include/net/sctp/sm.h | 1 | ||||
| -rw-r--r-- | include/net/sctp/ulpevent.h | 3 | ||||
| -rw-r--r-- | include/net/sctp/user.h | 17 |
3 files changed, 21 insertions, 0 deletions
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index 652f09bba504..9148632b8204 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -165,6 +165,7 @@ sctp_state_fn_t sctp_sf_do_prm_requestheartbeat; sctp_state_fn_t sctp_sf_do_prm_asconf; /* Prototypes for other event state functions. */ +sctp_state_fn_t sctp_sf_do_no_pending_tsn; sctp_state_fn_t sctp_sf_do_9_2_start_shutdown; sctp_state_fn_t sctp_sf_do_9_2_shutdown_ack; sctp_state_fn_t sctp_sf_ignore_other; diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h index 7ea12e8e6676..99b027b2adce 100644 --- a/include/net/sctp/ulpevent.h +++ b/include/net/sctp/ulpevent.h @@ -132,6 +132,9 @@ struct sctp_ulpevent *sctp_ulpevent_make_authkey( const struct sctp_association *asoc, __u16 key_id, __u32 indication, gfp_t gfp); +struct sctp_ulpevent *sctp_ulpevent_make_sender_dry_event( + const struct sctp_association *asoc, gfp_t gfp); + void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, struct msghdr *); __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event); diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h index 4525d8c7f71a..32fd51274037 100644 --- a/include/net/sctp/user.h +++ b/include/net/sctp/user.h @@ -354,6 +354,20 @@ struct sctp_authkey_event { enum { SCTP_AUTH_NEWKEY = 0, }; +/* + * 6.1.9. SCTP_SENDER_DRY_EVENT + * + * When the SCTP stack has no more user data to send or retransmit, this + * notification is given to the user. Also, at the time when a user app + * subscribes to this event, if there is no data to be sent or + * retransmit, the stack will immediately send up this notification. + */ +struct sctp_sender_dry_event { + __u16 sender_dry_type; + __u16 sender_dry_flags; + __u32 sender_dry_length; + sctp_assoc_t sender_dry_assoc_id; +}; /* * Described in Section 7.3 @@ -369,6 +383,7 @@ struct sctp_event_subscribe { __u8 sctp_partial_delivery_event; __u8 sctp_adaptation_layer_event; __u8 sctp_authentication_event; + __u8 sctp_sender_dry_event; }; /* @@ -392,6 +407,7 @@ union sctp_notification { struct sctp_adaptation_event sn_adaptation_event; struct sctp_pdapi_event sn_pdapi_event; struct sctp_authkey_event sn_authkey_event; + struct sctp_sender_dry_event sn_sender_dry_event; }; /* Section 5.3.1 @@ -410,6 +426,7 @@ enum sctp_sn_type { SCTP_ADAPTATION_INDICATION, SCTP_AUTHENTICATION_EVENT, #define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT + SCTP_SENDER_DRY_EVENT, }; /* Notification error codes used to fill up the error fields in some |