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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2016-07-13 15:08:55 -0300
committerDavid S. Miller <davem@davemloft.net>2016-07-13 18:10:13 -0700
commit9e238323799fb8c2add2b1de9a22edd4d4e51e30 (patch)
treefebfad2fad236590e7d89da9ee47f020f3149e3b /include/net/sctp
parentnet: ethernet: bgmac: Remove redundant dev_err call in bgmac_probe() (diff)
downloadlinux-dev-9e238323799fb8c2add2b1de9a22edd4d4e51e30.tar.xz
linux-dev-9e238323799fb8c2add2b1de9a22edd4d4e51e30.zip
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>
Diffstat (limited to 'include/net/sctp')
-rw-r--r--include/net/sctp/structs.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 8626bdd3249a..966c3a40039c 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 @@ static inline void sctp_outq_cork(struct sctp_outq *q)
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 {