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Diffstat (limited to 'include/net/sctp/ulpevent.h')
-rw-r--r--include/net/sctp/ulpevent.h39
1 files changed, 24 insertions, 15 deletions
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 51b4e0626c34..bd922a0fe914 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -164,30 +164,39 @@ void sctp_ulpevent_read_nxtinfo(const struct sctp_ulpevent *event,
__u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
+static inline void sctp_ulpevent_type_set(__u16 *subscribe,
+ __u16 sn_type, __u8 on)
+{
+ if (sn_type > SCTP_SN_TYPE_MAX)
+ return;
+
+ if (on)
+ *subscribe |= (1 << (sn_type - SCTP_SN_TYPE_BASE));
+ else
+ *subscribe &= ~(1 << (sn_type - SCTP_SN_TYPE_BASE));
+}
+
/* Is this event type enabled? */
-static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
- struct sctp_event_subscribe *mask)
+static inline bool sctp_ulpevent_type_enabled(__u16 subscribe, __u16 sn_type)
{
- int offset = sn_type - SCTP_SN_TYPE_BASE;
- char *amask = (char *) mask;
+ if (sn_type > SCTP_SN_TYPE_MAX)
+ return false;
- if (offset >= sizeof(struct sctp_event_subscribe))
- return 0;
- return amask[offset];
+ return subscribe & (1 << (sn_type - SCTP_SN_TYPE_BASE));
}
/* Given an event subscription, is this event enabled? */
-static inline int sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
- struct sctp_event_subscribe *mask)
+static inline bool sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
+ __u16 subscribe)
{
__u16 sn_type;
- int enabled = 1;
- if (sctp_ulpevent_is_notification(event)) {
- sn_type = sctp_ulpevent_get_notification_type(event);
- enabled = sctp_ulpevent_type_enabled(sn_type, mask);
- }
- return enabled;
+ if (!sctp_ulpevent_is_notification(event))
+ return true;
+
+ sn_type = sctp_ulpevent_get_notification_type(event);
+
+ return sctp_ulpevent_type_enabled(subscribe, sn_type);
}
#endif /* __sctp_ulpevent_h__ */