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Diffstat (limited to 'include/net/sctp/ulpevent.h')
-rw-r--r--include/net/sctp/ulpevent.h23
1 files changed, 19 insertions, 4 deletions
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 231dc42f1da6..51b4e0626c34 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -45,19 +45,29 @@
/* A structure to carry information to the ULP (e.g. Sockets API) */
/* Warning: This sits inside an skb.cb[] area. Be very careful of
* growing this structure as it is at the maximum limit now.
+ *
+ * sctp_ulpevent is saved in sk->cb(48 bytes), whose last 4 bytes
+ * have been taken by sock_skb_cb, So here it has to use 'packed'
+ * to make sctp_ulpevent fit into the rest 44 bytes.
*/
struct sctp_ulpevent {
struct sctp_association *asoc;
struct sctp_chunk *chunk;
unsigned int rmem_len;
- __u32 ppid;
+ union {
+ __u32 mid;
+ __u16 ssn;
+ };
+ union {
+ __u32 ppid;
+ __u32 fsn;
+ };
__u32 tsn;
__u32 cumtsn;
__u16 stream;
- __u16 ssn;
__u16 flags;
__u16 msg_flags;
-};
+} __packed;
/* Retrieve the skb this event sits inside of. */
static inline struct sk_buff *sctp_event2skb(const struct sctp_ulpevent *ev)
@@ -112,7 +122,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_shutdown_event(
struct sctp_ulpevent *sctp_ulpevent_make_pdapi(
const struct sctp_association *asoc,
- __u32 indication, gfp_t gfp);
+ __u32 indication, __u32 sid, __u32 seq,
+ __u32 flags, gfp_t gfp);
struct sctp_ulpevent *sctp_ulpevent_make_adaptation_indication(
const struct sctp_association *asoc, gfp_t gfp);
@@ -140,6 +151,10 @@ struct sctp_ulpevent *sctp_ulpevent_make_stream_change_event(
const struct sctp_association *asoc, __u16 flags,
__u32 strchange_instrms, __u32 strchange_outstrms, gfp_t gfp);
+struct sctp_ulpevent *sctp_make_reassembled_event(
+ struct net *net, struct sk_buff_head *queue,
+ struct sk_buff *f_frag, struct sk_buff *l_frag);
+
void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event,
struct msghdr *);
void sctp_ulpevent_read_rcvinfo(const struct sctp_ulpevent *event,