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net: ipv6: use common fib_default_rule_pref

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This switches IPv6 policy routing to use the shared
fib_default_rule_pref() function of IPv4 and DECnet. It is also used in
multicast routing for IPv4 as well as IPv6.

The motivation for this patch is a complaint about iproute2 behaving
inconsistent between IPv4 and IPv6 when adding policy rules: Formerly,
IPv6 rules were assigned a fixed priority of 0x3FFF whereas for IPv4 the
assigned priority value was decreased with each rule added.

Since then all users of the default_pref field have been converted to
assign the generic function fib_default_rule_pref(), fib_nl_newrule()
may just use it directly instead. Therefore get rid of the function
pointer altogether and make fib_default_rule_pref() static, as it's not
used outside fib_rules.c anymore.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phil Sutter
2015-09-09 14:20:56 +02:00
committed by David S. Miller
parent 444c5f92ed
commit f53de1e9a4
7 changed files with 3 additions and 19 deletions
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6
net/ipv6/fib6_rules.c
View File

@@ -258,11 +258,6 @@ nla_put_failure:
return -ENOBUFS;
}
static u32 fib6_rule_default_pref(struct fib_rules_ops *ops)
{
return 0x3FFF;
}
static size_t fib6_rule_nlmsg_payload(struct fib_rule *rule)
{
return nla_total_size(16) /* dst */
@@ -279,7 +274,6 @@ static const struct fib_rules_ops __net_initconst fib6_rules_ops_template = {
.configure = fib6_rule_configure,
.compare = fib6_rule_compare,
.fill = fib6_rule_fill,
.default_pref = fib6_rule_default_pref,
.nlmsg_payload = fib6_rule_nlmsg_payload,
.nlgroup = RTNLGRP_IPV6_RULE,
.policy = fib6_rule_policy,

1
net/ipv6/ip6mr.c
View File

@@ -217,7 +217,6 @@ static const struct fib_rules_ops __net_initconst ip6mr_rules_ops_template = {
.match = ip6mr_rule_match,
.configure = ip6mr_rule_configure,
.compare = ip6mr_rule_compare,
.default_pref = fib_default_rule_pref,
.fill = ip6mr_rule_fill,
.nlgroup = RTNLGRP_IPV6_RULE,
.policy = ip6mr_rule_policy,