forked from luck/tmp_suning_uos_patched
ipv4: Allocate fib metrics dynamically.
This is the initial gateway towards super-sharing metrics if they are all set to zero for a route. Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -77,7 +77,7 @@ struct fib_info {
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int fib_protocol;
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__be32 fib_prefsrc;
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u32 fib_priority;
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u32 fib_metrics[RTAX_MAX];
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u32 *fib_metrics;
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#define fib_mtu fib_metrics[RTAX_MTU-1]
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#define fib_window fib_metrics[RTAX_WINDOW-1]
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#define fib_rtt fib_metrics[RTAX_RTT-1]
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@ -152,6 +152,7 @@ static void free_fib_info_rcu(struct rcu_head *head)
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{
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struct fib_info *fi = container_of(head, struct fib_info, rcu);
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kfree(fi->fib_metrics);
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kfree(fi);
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}
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@ -742,6 +743,9 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
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fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
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if (fi == NULL)
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goto failure;
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fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
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if (!fi->fib_metrics)
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goto failure;
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fib_info_cnt++;
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fi->fib_net = hold_net(net);
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