[IPV4]: The scheduled removal of multipath cached routing support.

With help from Chris Wedgwood.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 114 deletions

diff --git a/net/ipv4/multipath_random.c b/net/ipv4/multipath_random.c
deleted file mode 100644
index c312785d14d0..000000000000
--- a/net/ipv4/multipath_random.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- *              Random policy for multipath.
- *
- *
- * Version:     $Id: multipath_random.c,v 1.1.2.3 2004/09/21 08:42:11 elueck Exp $
- *
- * Authors:     Einar Lueck <elueck@de.ibm.com><lkml@einar-lueck.de>
- *
- *              This program is free software; you can redistribute it and/or
- *              modify it under the terms of the GNU General Public License
- *              as published by the Free Software Foundation; either version
- *              2 of the License, or (at your option) any later version.
- */
-
-#include <asm/system.h>
-#include <asm/uaccess.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/kernel.h>
-#include <linux/fcntl.h>
-#include <linux/stat.h>
-#include <linux/socket.h>
-#include <linux/in.h>
-#include <linux/inet.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/igmp.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/module.h>
-#include <linux/mroute.h>
-#include <linux/init.h>
-#include <linux/random.h>
-#include <net/ip.h>
-#include <net/protocol.h>
-#include <linux/skbuff.h>
-#include <net/sock.h>
-#include <net/icmp.h>
-#include <net/udp.h>
-#include <net/raw.h>
-#include <linux/notifier.h>
-#include <linux/if_arp.h>
-#include <linux/netfilter_ipv4.h>
-#include <net/ipip.h>
-#include <net/checksum.h>
-#include <net/ip_mp_alg.h>
-
-#define MULTIPATH_MAX_CANDIDATES 40
-
-static void random_select_route(const struct flowi *flp,
-                                struct rtable *first,
-                                struct rtable **rp)
-{
-        struct rtable *rt;
-        struct rtable *decision;
-        unsigned char candidate_count = 0;
-
-        /* count all candidate */
-        for (rt = rcu_dereference(first); rt;
-             rt = rcu_dereference(rt->u.dst.rt_next)) {
-                if ((rt->u.dst.flags & DST_BALANCED) != 0 &&
-                    multipath_comparekeys(&rt->fl, flp))
-                        ++candidate_count;
-        }
-
-        /* choose a random candidate */
-        decision = first;
-        if (candidate_count > 1) {
-                unsigned char i = 0;
-                unsigned char candidate_no = (unsigned char)
-                        (random32() % candidate_count);
-
-                /* find chosen candidate and adjust GC data for all candidates
-                 * to ensure they stay in cache
-                 */
-                for (rt = first; rt; rt = rt->u.dst.rt_next) {
-                        if ((rt->u.dst.flags & DST_BALANCED) != 0 &&
-                            multipath_comparekeys(&rt->fl, flp)) {
-                                rt->u.dst.lastuse = jiffies;
-
-                                if (i == candidate_no)
-                                        decision = rt;
-
-                                if (i >= candidate_count)
-                                        break;
-
-                                i++;
-                        }
-                }
-        }
-
-        decision->u.dst.__use++;
-        *rp = decision;
-}
-
-static struct ip_mp_alg_ops random_ops = {
-        .mp_alg_select_route    =       random_select_route,
-};
-
-static int __init random_init(void)
-{
-        return multipath_alg_register(&random_ops, IP_MP_ALG_RANDOM);
-}
-
-static void __exit random_exit(void)
-{
-        multipath_alg_unregister(&random_ops, IP_MP_ALG_RANDOM);
-}
-
-module_init(random_init);
-module_exit(random_exit);
-MODULE_LICENSE("GPL");