diff options
Diffstat (limited to 'net/ipv4/multipath_rr.c')
-rw-r--r-- | net/ipv4/multipath_rr.c | 95 |
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 0ad22524f450..000000000000 --- a/net/ipv4/multipath_rr.c +++ /dev/null | |||
@@ -1,95 +0,0 @@ | |||
1 | /* | ||
2 | * Round robin policy for multipath. | ||
3 | * | ||
4 | * | ||
5 | * Version: $Id: multipath_rr.c,v 1.1.2.2 2004/09/16 07:42:34 elueck Exp $ | ||
6 | * | ||
7 | * Authors: Einar Lueck <elueck@de.ibm.com><lkml@einar-lueck.de> | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version | ||
12 | * 2 of the License, or (at your option) any later version. | ||
13 | */ | ||
14 | |||
15 | #include <asm/system.h> | ||
16 | #include <asm/uaccess.h> | ||
17 | #include <linux/types.h> | ||
18 | #include <linux/errno.h> | ||
19 | #include <linux/timer.h> | ||
20 | #include <linux/mm.h> | ||
21 | #include <linux/kernel.h> | ||
22 | #include <linux/fcntl.h> | ||
23 | #include <linux/stat.h> | ||
24 | #include <linux/socket.h> | ||
25 | #include <linux/in.h> | ||
26 | #include <linux/inet.h> | ||
27 | #include <linux/netdevice.h> | ||
28 | #include <linux/inetdevice.h> | ||
29 | #include <linux/igmp.h> | ||
30 | #include <linux/proc_fs.h> | ||
31 | #include <linux/seq_file.h> | ||
32 | #include <linux/module.h> | ||
33 | #include <linux/mroute.h> | ||
34 | #include <linux/init.h> | ||
35 | #include <net/ip.h> | ||
36 | #include <net/protocol.h> | ||
37 | #include <linux/skbuff.h> | ||
38 | #include <net/sock.h> | ||
39 | #include <net/icmp.h> | ||
40 | #include <net/udp.h> | ||
41 | #include <net/raw.h> | ||
42 | #include <linux/notifier.h> | ||
43 | #include <linux/if_arp.h> | ||
44 | #include <linux/netfilter_ipv4.h> | ||
45 | #include <net/ipip.h> | ||
46 | #include <net/checksum.h> | ||
47 | #include <net/ip_mp_alg.h> | ||
48 | |||
49 | static void rr_select_route(const struct flowi *flp, | ||
50 | struct rtable *first, struct rtable **rp) | ||
51 | { | ||
52 | struct rtable *nh, *result, *min_use_cand = NULL; | ||
53 | int min_use = -1; | ||
54 | |||
55 | /* 1. make sure all alt. nexthops have the same GC related data | ||
56 | * 2. determine the new candidate to be returned | ||
57 | */ | ||
58 | result = NULL; | ||
59 | for (nh = rcu_dereference(first); nh; | ||
60 | nh = rcu_dereference(nh->u.dst.rt_next)) { | ||
61 | if ((nh->u.dst.flags & DST_BALANCED) != 0 && | ||
62 | multipath_comparekeys(&nh->fl, flp)) { | ||
63 | nh->u.dst.lastuse = jiffies; | ||
64 | |||
65 | if (min_use == -1 || nh->u.dst.__use < min_use) { | ||
66 | min_use = nh->u.dst.__use; | ||
67 | min_use_cand = nh; | ||
68 | } | ||
69 | } | ||
70 | } | ||
71 | result = min_use_cand; | ||
72 | if (!result) | ||
73 | result = first; | ||
74 | |||
75 | result->u.dst.__use++; | ||
76 | *rp = result; | ||
77 | } | ||
78 | |||
79 | static struct ip_mp_alg_ops rr_ops = { | ||
80 | .mp_alg_select_route = rr_select_route, | ||
81 | }; | ||
82 | |||
83 | static int __init rr_init(void) | ||
84 | { | ||
85 | return multipath_alg_register(&rr_ops, IP_MP_ALG_RR); | ||
86 | } | ||
87 | |||
88 | static void __exit rr_exit(void) | ||
89 | { | ||
90 | multipath_alg_unregister(&rr_ops, IP_MP_ALG_RR); | ||
91 | } | ||
92 | |||
93 | module_init(rr_init); | ||
94 | module_exit(rr_exit); | ||
95 | MODULE_LICENSE("GPL"); | ||