Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9c150e82 authored by David S. Miller's avatar David S. Miller
Browse files

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: default avatarDavid S. Miller <davem@davemloft.net>
parent a4daad6b
Loading
Loading
Loading
Loading
+1 −1
Original line number Diff line number Diff line
@@ -77,7 +77,7 @@ struct fib_info {
	int			fib_protocol;
	__be32			fib_prefsrc;
	u32			fib_priority;
	u32			fib_metrics[RTAX_MAX];
	u32			*fib_metrics;
#define fib_mtu fib_metrics[RTAX_MTU-1]
#define fib_window fib_metrics[RTAX_WINDOW-1]
#define fib_rtt fib_metrics[RTAX_RTT-1]
+4 −0
Original line number Diff line number Diff line
@@ -152,6 +152,7 @@ static void free_fib_info_rcu(struct rcu_head *head)
{
	struct fib_info *fi = container_of(head, struct fib_info, rcu);

	kfree(fi->fib_metrics);
	kfree(fi);
}

@@ -742,6 +743,9 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
	fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
	if (fi == NULL)
		goto failure;
	fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
	if (!fi->fib_metrics)
		goto failure;
	fib_info_cnt++;

	fi->fib_net = hold_net(net);