[SCTP] Fix SCTP sendbuffer accouting.
- Include chunk and skb sizes in sendbuffer accounting.
- 2 policies are supported. 0: per socket accouting, 1: per association
accounting
DaveM: I've made the default per-socket.
Signed-off-by: Neil Horman <nhorman@redhat.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.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 7e64cf6..6c24d9c 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -154,6 +154,13 @@
int max_retrans_path;
int max_retrans_init;
+ /*
+ * Policy for preforming sctp/socket accounting
+ * 0 - do socket level accounting, all assocs share sk_sndbuf
+ * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
+ */
+ int sndbuf_policy;
+
/* HB.interval - 30 seconds */
int hb_interval;
@@ -207,6 +214,7 @@
#define sctp_valid_cookie_life (sctp_globals.valid_cookie_life)
#define sctp_cookie_preserve_enable (sctp_globals.cookie_preserve_enable)
#define sctp_max_retrans_association (sctp_globals.max_retrans_association)
+#define sctp_sndbuf_policy (sctp_globals.sndbuf_policy)
#define sctp_max_retrans_path (sctp_globals.max_retrans_path)
#define sctp_max_retrans_init (sctp_globals.max_retrans_init)
#define sctp_hb_interval (sctp_globals.hb_interval)
@@ -1212,7 +1220,8 @@
/* Default timeouts. */
int timeouts[SCTP_NUM_TIMEOUT_TYPES];
- /* Various thresholds. */
+ /* sendbuf acct. policy. */
+ __u32 sndbuf_policy;
/* Name for debugging output... */
char *debug_name;