[SCTP]: port randomization

Add port randomization rather than a simple fixed rover
for use with SCTP.  This makes it act similar to TCP, UDP, DCCP
when allocating ports.

No longer need port_alloc_lock as well (suggestion by Brian Haley).

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 448f713a0205..ef892e00c833 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -197,8 +197,6 @@ extern struct sctp_globals {
 
         /* This is the sctp port control hash.  */
         int port_hashsize;
-        int port_rover;
-        spinlock_t port_alloc_lock;  /* Protects port_rover. */
         struct sctp_bind_hashbucket *port_hashtable;
 
         /* This is the global local address list.