sctp: allow others to use sctp_input_cb
We process input path in other files too and having access to it is
nice, so move it to a header where it's shared.
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 8626bdd..966c3a4 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -59,6 +59,7 @@
#include <linux/workqueue.h> /* We need tq_struct. */
#include <linux/sctp.h> /* We need sctp* header structs. */
#include <net/sctp/auth.h> /* We need auth specific structs */
+#include <net/ip.h> /* For inet_skb_parm */
/* A convenience structure for handling sockaddr structures.
* We should wean ourselves off this.
@@ -1092,6 +1093,20 @@
q->cork = 1;
}
+/* SCTP skb control block.
+ * sctp_input_cb is currently used on rx and sock rx queue
+ */
+struct sctp_input_cb {
+ union {
+ struct inet_skb_parm h4;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct inet6_skb_parm h6;
+#endif
+ } header;
+ struct sctp_chunk *chunk;
+};
+#define SCTP_INPUT_CB(__skb) ((struct sctp_input_cb *)&((__skb)->cb[0]))
+
/* These bind address data fields common between endpoints and associations */
struct sctp_bind_addr {
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 6f8e676..7a327ff 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -90,17 +90,6 @@
return 0;
}
-struct sctp_input_cb {
- union {
- struct inet_skb_parm h4;
-#if IS_ENABLED(CONFIG_IPV6)
- struct inet6_skb_parm h6;
-#endif
- } header;
- struct sctp_chunk *chunk;
-};
-#define SCTP_INPUT_CB(__skb) ((struct sctp_input_cb *)&((__skb)->cb[0]))
-
/*
* This is the routine which IP calls when receiving an SCTP packet.
*/