[IPV4]: The scheduled removal of multipath cached routing support.
With help from Chris Wedgwood.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index afae306..d944516 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -91,7 +91,6 @@
header-y += in_route.h
header-y += ioctl.h
header-y += ipmi_msgdefs.h
-header-y += ip_mp_alg.h
header-y += ipsec.h
header-y += ipx.h
header-y += irda.h
diff --git a/include/linux/ip_mp_alg.h b/include/linux/ip_mp_alg.h
deleted file mode 100644
index e234e20..0000000
--- a/include/linux/ip_mp_alg.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* ip_mp_alg.h: IPV4 multipath algorithm support, user-visible values.
- *
- * Copyright (C) 2004, 2005 Einar Lueck <elueck@de.ibm.com>
- * Copyright (C) 2005 David S. Miller <davem@davemloft.net>
- */
-
-#ifndef _LINUX_IP_MP_ALG_H
-#define _LINUX_IP_MP_ALG_H
-
-enum ip_mp_alg {
- IP_MP_ALG_NONE,
- IP_MP_ALG_RR,
- IP_MP_ALG_DRR,
- IP_MP_ALG_RANDOM,
- IP_MP_ALG_WRANDOM,
- __IP_MP_ALG_MAX
-};
-
-#define IP_MP_ALG_MAX (__IP_MP_ALG_MAX - 1)
-
-#endif /* _LINUX_IP_MP_ALG_H */
-
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 1fae30a..6127858 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -261,7 +261,7 @@
RTA_FLOW,
RTA_CACHEINFO,
RTA_SESSION,
- RTA_MP_ALGO,
+ RTA_MP_ALGO, /* no longer used */
RTA_TABLE,
__RTA_MAX
};
diff --git a/include/net/dst.h b/include/net/dst.h
index 82270f9..e9ff4a4 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -47,7 +47,6 @@
#define DST_NOXFRM 2
#define DST_NOPOLICY 4
#define DST_NOHASH 8
-#define DST_BALANCED 0x10
unsigned long expires;
unsigned short header_len; /* more space at head required */
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 69252cb..8cadc77 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -39,7 +39,6 @@
int fc_mx_len;
int fc_mp_len;
u32 fc_flow;
- u32 fc_mp_alg;
u32 fc_nlflags;
struct nl_info fc_nlinfo;
};
@@ -86,9 +85,6 @@
#ifdef CONFIG_IP_ROUTE_MULTIPATH
int fib_power;
#endif
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- u32 fib_mp_alg;
-#endif
struct fib_nh fib_nh[0];
#define fib_dev fib_nh[0].nh_dev
};
@@ -103,10 +99,6 @@
unsigned char nh_sel;
unsigned char type;
unsigned char scope;
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- __be32 network;
- __be32 netmask;
-#endif
struct fib_info *fi;
#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rule *r;
@@ -145,14 +137,6 @@
#define FIB_RES_DEV(res) (FIB_RES_NH(res).nh_dev)
#define FIB_RES_OIF(res) (FIB_RES_NH(res).nh_oif)
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
-#define FIB_RES_NETWORK(res) ((res).network)
-#define FIB_RES_NETMASK(res) ((res).netmask)
-#else /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */
-#define FIB_RES_NETWORK(res) (0)
-#define FIB_RES_NETMASK(res) (0)
-#endif /* CONFIG_IP_ROUTE_MULTIPATH_WRANDOM */
-
struct fib_table {
struct hlist_node tb_hlist;
u32 tb_id;
diff --git a/include/net/ip_mp_alg.h b/include/net/ip_mp_alg.h
deleted file mode 100644
index 25b5657..0000000
--- a/include/net/ip_mp_alg.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/* ip_mp_alg.h: IPV4 multipath algorithm support.
- *
- * Copyright (C) 2004, 2005 Einar Lueck <elueck@de.ibm.com>
- * Copyright (C) 2005 David S. Miller <davem@davemloft.net>
- */
-
-#ifndef _NET_IP_MP_ALG_H
-#define _NET_IP_MP_ALG_H
-
-#include <linux/ip_mp_alg.h>
-#include <net/flow.h>
-#include <net/route.h>
-
-struct fib_nh;
-
-struct ip_mp_alg_ops {
- void (*mp_alg_select_route)(const struct flowi *flp,
- struct rtable *rth, struct rtable **rp);
- void (*mp_alg_flush)(void);
- void (*mp_alg_set_nhinfo)(__be32 network, __be32 netmask,
- unsigned char prefixlen,
- const struct fib_nh *nh);
- void (*mp_alg_remove)(struct rtable *rth);
-};
-
-extern int multipath_alg_register(struct ip_mp_alg_ops *, enum ip_mp_alg);
-extern void multipath_alg_unregister(struct ip_mp_alg_ops *, enum ip_mp_alg);
-
-extern struct ip_mp_alg_ops *ip_mp_alg_table[];
-
-static inline int multipath_select_route(const struct flowi *flp,
- struct rtable *rth,
- struct rtable **rp)
-{
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg];
-
- /* mp_alg_select_route _MUST_ be implemented */
- if (ops && (rth->u.dst.flags & DST_BALANCED)) {
- ops->mp_alg_select_route(flp, rth, rp);
- return 1;
- }
-#endif
- return 0;
-}
-
-static inline void multipath_flush(void)
-{
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- int i;
-
- for (i = IP_MP_ALG_NONE; i <= IP_MP_ALG_MAX; i++) {
- struct ip_mp_alg_ops *ops = ip_mp_alg_table[i];
-
- if (ops && ops->mp_alg_flush)
- ops->mp_alg_flush();
- }
-#endif
-}
-
-static inline void multipath_set_nhinfo(struct rtable *rth,
- __be32 network, __be32 netmask,
- unsigned char prefixlen,
- const struct fib_nh *nh)
-{
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg];
-
- if (ops && ops->mp_alg_set_nhinfo)
- ops->mp_alg_set_nhinfo(network, netmask, prefixlen, nh);
-#endif
-}
-
-static inline void multipath_remove(struct rtable *rth)
-{
-#ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- struct ip_mp_alg_ops *ops = ip_mp_alg_table[rth->rt_multipath_alg];
-
- if (ops && ops->mp_alg_remove &&
- (rth->u.dst.flags & DST_BALANCED))
- ops->mp_alg_remove(rth);
-#endif
-}
-
-static inline int multipath_comparekeys(const struct flowi *flp1,
- const struct flowi *flp2)
-{
- return flp1->fl4_dst == flp2->fl4_dst &&
- flp1->fl4_src == flp2->fl4_src &&
- flp1->oif == flp2->oif &&
- flp1->mark == flp2->mark &&
- !((flp1->fl4_tos ^ flp2->fl4_tos) &
- (IPTOS_RT_MASK | RTO_ONLINK));
-}
-
-#endif /* _NET_IP_MP_ALG_H */
diff --git a/include/net/route.h b/include/net/route.h
index 749e4df..188b893 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -62,7 +62,6 @@
unsigned rt_flags;
__u16 rt_type;
- __u16 rt_multipath_alg;
__be32 rt_dst; /* Path destination */
__be32 rt_src; /* Path source */