aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4/multipath_rr.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/multipath_rr.c')
-rw-r--r--net/ipv4/multipath_rr.c95
1 files changed, 0 insertions, 95 deletions
diff --git a/net/ipv4/multipath_rr.c b/net/ipv4/multipath_rr.c
deleted file mode 100644
index 0ad22524f45..00000000000
--- a/net/ipv4/multipath_rr.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Round robin policy for multipath.
- *
- *
- * Version: $Id: multipath_rr.c,v 1.1.2.2 2004/09/16 07:42:34 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 <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>
-
-static void rr_select_route(const struct flowi *flp,
- struct rtable *first, struct rtable **rp)
-{
- struct rtable *nh, *result, *min_use_cand = NULL;
- int min_use = -1;
-
- /* 1. make sure all alt. nexthops have the same GC related data
- * 2. determine the new candidate to be returned
- */
- result = NULL;
- for (nh = rcu_dereference(first); nh;
- nh = rcu_dereference(nh->u.dst.rt_next)) {
- if ((nh->u.dst.flags & DST_BALANCED) != 0 &&
- multipath_comparekeys(&nh->fl, flp)) {
- nh->u.dst.lastuse = jiffies;
-
- if (min_use == -1 || nh->u.dst.__use < min_use) {
- min_use = nh->u.dst.__use;
- min_use_cand = nh;
- }
- }
- }
- result = min_use_cand;
- if (!result)
- result = first;
-
- result->u.dst.__use++;
- *rp = result;
-}
-
-static struct ip_mp_alg_ops rr_ops = {
- .mp_alg_select_route = rr_select_route,
-};
-
-static int __init rr_init(void)
-{
- return multipath_alg_register(&rr_ops, IP_MP_ALG_RR);
-}
-
-static void __exit rr_exit(void)
-{
- multipath_alg_unregister(&rr_ops, IP_MP_ALG_RR);
-}
-
-module_init(rr_init);
-module_exit(rr_exit);
-MODULE_LICENSE("GPL");