diff options
author | David S. Miller <davem@sunset.davemloft.net> | 2007-06-10 20:22:39 -0400 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-11 01:05:57 -0400 |
commit | e06e7c615877026544ad7f8b309d1a3706410383 (patch) | |
tree | eb087b49279e6db492039a5d684ca9acb13265a3 /include/net/ip_mp_alg.h | |
parent | 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff) |
[IPV4]: The scheduled removal of multipath cached routing support.
With help from Chris Wedgwood.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip_mp_alg.h')
-rw-r--r-- | include/net/ip_mp_alg.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/include/net/ip_mp_alg.h b/include/net/ip_mp_alg.h deleted file mode 100644 index 25b56571e54b..000000000000 --- a/include/net/ip_mp_alg.h +++ /dev/null | |||
@@ -1,96 +0,0 @@ | |||
1 | /* ip_mp_alg.h: IPV4 multipath algorithm support. | ||
2 | * | ||
3 | * Copyright (C) 2004, 2005 Einar Lueck <elueck@de.ibm.com> | ||
4 | * Copyright (C) 2005 David S. Miller <davem@davemloft.net> | ||
5 | */ | ||
6 | |||
7 | #ifndef _NET_IP_MP_ALG_H | ||
8 | #define _NET_IP_MP_ALG_H | ||
9 | |||
10 | #include <linux/ip_mp_alg.h> | ||
11 | #include <net/flow.h> | ||
12 | #include <net/route.h> | ||
13 | |||
14 | struct fib_nh; | ||
15 | |||
16 | struct ip_mp_alg_ops { | ||
17 | void (*mp_alg_select_route)(const struct flowi *flp, | ||
18 | struct rtable *rth, struct rtable **rp); | ||
19 | void (*mp_alg_flush)(void); | ||
20 | void (*mp_alg_set_nhinfo)(__be32 network, __be32 netmask, | ||
21 | unsigned char prefixlen, | ||
22 | const struct fib_nh *nh); | ||
23 | void (*mp_alg_remove)(struct rtable *rth); | ||
24 | }; | ||
25 | |||
26 | extern int multipath_alg_register(struct ip_mp_alg_ops *, enum ip_mp_alg); | ||
27 | extern void multipath_alg_unregister(struct ip_mp_alg_ops *, enum ip_mp_alg); | ||
28 | |||
29 | extern struct ip_mp_alg_ops *ip_mp_alg_table[]; | ||
30 | |||
31 | static inline int multipath_select_route(const struct flowi *flp, | ||
32 | struct rtable *rth, | ||
33 | struct rtable **rp) | ||
34 | { | ||
35 | #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED | ||
36 | struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg]; | ||
37 | |||
38 | /* mp_alg_select_route _MUST_ be implemented */ | ||
39 | if (ops && (rth->u.dst.flags & DST_BALANCED)) { | ||
40 | ops->mp_alg_select_route(flp, rth, rp); | ||
41 | return 1; | ||
42 | } | ||
43 | #endif | ||
44 | return 0; | ||
45 | } | ||
46 | |||
47 | static inline void multipath_flush(void) | ||
48 | { | ||
49 | #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED | ||
50 | int i; | ||
51 | |||
52 | for (i = IP_MP_ALG_NONE; i <= IP_MP_ALG_MAX; i++) { | ||
53 | struct ip_mp_alg_ops *ops = ip_mp_alg_table[i]; | ||
54 | |||
55 | if (ops && ops->mp_alg_flush) | ||
56 | ops->mp_alg_flush(); | ||
57 | } | ||
58 | #endif | ||
59 | } | ||
60 | |||
61 | static inline void multipath_set_nhinfo(struct rtable *rth, | ||
62 | __be32 network, __be32 netmask, | ||
63 | unsigned char prefixlen, | ||
64 | const struct fib_nh *nh) | ||
65 | { | ||
66 | #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED | ||
67 | struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg]; | ||
68 | |||
69 | if (ops && ops->mp_alg_set_nhinfo) | ||
70 | ops->mp_alg_set_nhinfo(network, netmask, prefixlen, nh); | ||
71 | #endif | ||
72 | } | ||
73 | |||
74 | static inline void multipath_remove(struct rtable *rth) | ||
75 | { | ||
76 | #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED | ||
77 | struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg]; | ||
78 | |||
79 | if (ops && ops->mp_alg_remove && | ||
80 | (rth->u.dst.flags & DST_BALANCED)) | ||
81 | ops->mp_alg_remove(rth); | ||
82 | #endif | ||
83 | } | ||
84 | |||
85 | static inline int multipath_comparekeys(const struct flowi *flp1, | ||
86 | const struct flowi *flp2) | ||
87 | { | ||
88 | return flp1->fl4_dst == flp2->fl4_dst && | ||
89 | flp1->fl4_src == flp2->fl4_src && | ||
90 | flp1->oif == flp2->oif && | ||
91 | flp1->mark == flp2->mark && | ||
92 | !((flp1->fl4_tos ^ flp2->fl4_tos) & | ||
93 | (IPTOS_RT_MASK | RTO_ONLINK)); | ||
94 | } | ||
95 | |||
96 | #endif /* _NET_IP_MP_ALG_H */ | ||