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authorDavid Ahern <dsahern@gmail.com>2019-04-17 00:36:03 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-18 09:10:46 +0300
commitdb3fedee0cb7a0ea52450137d48b9e41be53ec14 (patch)
treec53d39e481b56ab712ea3256eb9b8da9de963fc5 /net/ipv6
parent9b6b35abfbde376665c76029c75e4ab03186d378 (diff)
downloadlinux-db3fedee0cb7a0ea52450137d48b9e41be53ec14.tar.xz
ipv6: Pass fib6_result to pcpu route functions
Update ip6_rt_pcpu_alloc, rt6_get_pcpu_route and rt6_make_pcpu_route to a fib6_result over a fib6_info. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/route.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 87a59883edd2..9611b935eb7d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1220,34 +1220,35 @@ static struct rt6_info *ip6_rt_cache_alloc(const struct fib6_result *res,
return rt;
}
-static struct rt6_info *ip6_rt_pcpu_alloc(struct fib6_info *rt)
+static struct rt6_info *ip6_rt_pcpu_alloc(const struct fib6_result *res)
{
- unsigned short flags = fib6_info_dst_flags(rt);
+ struct fib6_info *f6i = res->f6i;
+ unsigned short flags = fib6_info_dst_flags(f6i);
struct net_device *dev;
struct rt6_info *pcpu_rt;
- if (!fib6_info_hold_safe(rt))
+ if (!fib6_info_hold_safe(f6i))
return NULL;
rcu_read_lock();
- dev = ip6_rt_get_dev_rcu(rt);
+ dev = ip6_rt_get_dev_rcu(f6i);
pcpu_rt = ip6_dst_alloc(dev_net(dev), dev, flags);
rcu_read_unlock();
if (!pcpu_rt) {
- fib6_info_release(rt);
+ fib6_info_release(f6i);
return NULL;
}
- ip6_rt_copy_init(pcpu_rt, rt);
+ ip6_rt_copy_init(pcpu_rt, f6i);
pcpu_rt->rt6i_flags |= RTF_PCPU;
return pcpu_rt;
}
/* It should be called with rcu_read_lock() acquired */
-static struct rt6_info *rt6_get_pcpu_route(struct fib6_info *rt)
+static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res)
{
struct rt6_info *pcpu_rt, **p;
- p = this_cpu_ptr(rt->rt6i_pcpu);
+ p = this_cpu_ptr(res->f6i->rt6i_pcpu);
pcpu_rt = *p;
if (pcpu_rt)
@@ -1257,18 +1258,18 @@ static struct rt6_info *rt6_get_pcpu_route(struct fib6_info *rt)
}
static struct rt6_info *rt6_make_pcpu_route(struct net *net,
- struct fib6_info *rt)
+ const struct fib6_result *res)
{
struct rt6_info *pcpu_rt, *prev, **p;
- pcpu_rt = ip6_rt_pcpu_alloc(rt);
+ pcpu_rt = ip6_rt_pcpu_alloc(res);
if (!pcpu_rt) {
dst_hold(&net->ipv6.ip6_null_entry->dst);
return net->ipv6.ip6_null_entry;
}
dst_hold(&pcpu_rt->dst);
- p = this_cpu_ptr(rt->rt6i_pcpu);
+ p = this_cpu_ptr(res->f6i->rt6i_pcpu);
prev = cmpxchg(p, NULL, pcpu_rt);
BUG_ON(prev);
@@ -1911,10 +1912,10 @@ struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
struct rt6_info *pcpu_rt;
local_bh_disable();
- pcpu_rt = rt6_get_pcpu_route(res.f6i);
+ pcpu_rt = rt6_get_pcpu_route(&res);
if (!pcpu_rt)
- pcpu_rt = rt6_make_pcpu_route(net, res.f6i);
+ pcpu_rt = rt6_make_pcpu_route(net, &res);
local_bh_enable();
rcu_read_unlock();