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author | David S. Miller <davem@sunset.davemloft.net> | 2007-06-11 00:22:39 (GMT) |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-11 05:05:57 (GMT) |
commit | e06e7c615877026544ad7f8b309d1a3706410383 (patch) | |
tree | eb087b49279e6db492039a5d684ca9acb13265a3 /include | |
parent | 4eb6bf6bfb580afaf1e1a1d30cba17a078530cf4 (diff) | |
download | linux-fsl-qoriq-e06e7c615877026544ad7f8b309d1a3706410383.tar.xz |
[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')
-rw-r--r-- | include/linux/Kbuild | 1 | ||||
-rw-r--r-- | include/linux/ip_mp_alg.h | 22 | ||||
-rw-r--r-- | include/linux/rtnetlink.h | 2 | ||||
-rw-r--r-- | include/net/dst.h | 1 | ||||
-rw-r--r-- | include/net/ip_fib.h | 16 | ||||
-rw-r--r-- | include/net/ip_mp_alg.h | 96 | ||||
-rw-r--r-- | include/net/route.h | 1 |
7 files changed, 1 insertions, 138 deletions
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 += in6.h 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 @@ enum rtattr_type_t 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 @@ struct dst_entry #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 @@ struct fib_config { 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 @@ struct fib_info { #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 @@ struct fib_result { 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 @@ struct fib_result_nl { #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 @@ struct rtable unsigned rt_flags; __u16 rt_type; - __u16 rt_multipath_alg; __be32 rt_dst; /* Path destination */ __be32 rt_src; /* Path source */ |