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net: fib_notifier: make FIB notifier per-netns

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Currently all users of FIB notifier only cares about events in init_net.
Later in this patchset, users get interested in other namespaces too.
However, for every registered block user is interested only about one
namespace. Make the FIB notifier registration per-netns and avoid
unnecessary calls of notifier block for other namespaces.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-10-03 11:49:27 +02:00
committed by David S. Miller
parent a5facc4cac
commit 7c550daffe
15 changed files with 76 additions and 103 deletions
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9
drivers/net/ethernet/rocker/rocker_main.c
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@@ -2189,9 +2189,6 @@ static int rocker_router_fib_event(struct notifier_block *nb,
struct rocker_fib_event_work *fib_work;
struct fib_notifier_info *info = ptr;
if (!net_eq(info->net, &init_net))
return NOTIFY_DONE;
if (info->family != AF_INET)
return NOTIFY_DONE;
@@ -2994,7 +2991,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
* the device, so no need to pass a callback.
*/
rocker->fib_nb.notifier_call = rocker_router_fib_event;
err = register_fib_notifier(&rocker->fib_nb, NULL);
err = register_fib_notifier(&init_net, &rocker->fib_nb, NULL);
if (err)
goto err_register_fib_notifier;
@@ -3021,7 +3018,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err_register_switchdev_blocking_notifier:
unregister_switchdev_notifier(&rocker_switchdev_notifier);
err_register_switchdev_notifier:
unregister_fib_notifier(&rocker->fib_nb);
unregister_fib_notifier(&init_net, &rocker->fib_nb);
err_register_fib_notifier:
rocker_remove_ports(rocker);
err_probe_ports:
@@ -3057,7 +3054,7 @@ static void rocker_remove(struct pci_dev *pdev)
unregister_switchdev_blocking_notifier(nb);
unregister_switchdev_notifier(&rocker_switchdev_notifier);
unregister_fib_notifier(&rocker->fib_nb);
unregister_fib_notifier(&init_net, &rocker->fib_nb);
rocker_remove_ports(rocker);
rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET);
destroy_workqueue(rocker->rocker_owq);