ipv6: fix reachability confirmation with proxy_ndp

[platform/kernel/linux-rpi.git] / net / core / dst_cache.c

diff --git a/net/core/dst_cache.c b/net/core/dst_cache.c
index be74ab4..0ccfd5f 100644 (file)
--- a/net/core/dst_cache.c
+++ b/net/core/dst_cache.c
@@ -162,3 +162,22 @@ void dst_cache_destroy(struct dst_cache *dst_cache)
        free_percpu(dst_cache->cache);
 }
 EXPORT_SYMBOL_GPL(dst_cache_destroy);
+
+void dst_cache_reset_now(struct dst_cache *dst_cache)
+{
+       int i;
+
+       if (!dst_cache->cache)
+               return;
+
+       dst_cache->reset_ts = jiffies;
+       for_each_possible_cpu(i) {
+               struct dst_cache_pcpu *idst = per_cpu_ptr(dst_cache->cache, i);
+               struct dst_entry *dst = idst->dst;
+
+               idst->cookie = 0;
+               idst->dst = NULL;
+               dst_release(dst);
+       }
+}
+EXPORT_SYMBOL_GPL(dst_cache_reset_now);