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Diffstat (limited to 'net/ipv4/fib_frontend.c')
-rw-r--r--net/ipv4/fib_frontend.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 2a49c061b34c..ad0778a3fa53 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -132,46 +132,6 @@ static void fib_flush(struct net *net)
132 rt_cache_flush(net, -1); 132 rt_cache_flush(net, -1);
133} 133}
134 134
135/**
136 * __ip_dev_find - find the first device with a given source address.
137 * @net: the net namespace
138 * @addr: the source address
139 * @devref: if true, take a reference on the found device
140 *
141 * If a caller uses devref=false, it should be protected by RCU, or RTNL
142 */
143struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref)
144{
145 struct flowi fl = {
146 .fl4_dst = addr,
147 };
148 struct fib_result res = { 0 };
149 struct net_device *dev = NULL;
150 struct fib_table *local_table;
151
152#ifdef CONFIG_IP_MULTIPLE_TABLES
153 res.r = NULL;
154#endif
155
156 rcu_read_lock();
157 local_table = fib_get_table(net, RT_TABLE_LOCAL);
158 if (!local_table ||
159 fib_table_lookup(local_table, &fl, &res, FIB_LOOKUP_NOREF)) {
160 rcu_read_unlock();
161 return NULL;
162 }
163 if (res.type != RTN_LOCAL)
164 goto out;
165 dev = FIB_RES_DEV(res);
166
167 if (dev && devref)
168 dev_hold(dev);
169out:
170 rcu_read_unlock();
171 return dev;
172}
173EXPORT_SYMBOL(__ip_dev_find);
174
175/* 135/*
176 * Find address type as if only "dev" was present in the system. If 136 * Find address type as if only "dev" was present in the system. If
177 * on_dev is NULL then all interfaces are taken into consideration. 137 * on_dev is NULL then all interfaces are taken into consideration.