Messages in this thread Patch in this message | | | From | Yevhen Orlov <> | Subject | [PATCH net-next v3 7/9] net: marvell: prestera: add stub handler neighbour events | Date | Tue, 23 Aug 2022 03:10:45 +0300 |
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Actual handler will be added in next patches
Co-developed-by: Taras Chornyi <tchornyi@marvell.com> Signed-off-by: Taras Chornyi <tchornyi@marvell.com> Co-developed-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu> Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu> Signed-off-by: Yevhen Orlov <yevhen.orlov@plvision.eu> --- .../net/ethernet/marvell/prestera/prestera.h | 1 + .../marvell/prestera/prestera_router.c | 60 +++++++++++++++++++ 2 files changed, 61 insertions(+)
diff --git a/drivers/net/ethernet/marvell/prestera/prestera.h b/drivers/net/ethernet/marvell/prestera/prestera.h index a3a112f5c09e..33a0add529ba 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera.h +++ b/drivers/net/ethernet/marvell/prestera/prestera.h @@ -310,6 +310,7 @@ struct prestera_router { struct notifier_block inetaddr_nb; struct notifier_block inetaddr_valid_nb; struct notifier_block fib_nb; + struct notifier_block netevent_nb; u8 *nhgrp_hw_state_cache; /* Bitmap cached hw state of nhs */ unsigned long nhgrp_hw_cache_kick; /* jiffies */ }; diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c index 89c72b9ede55..3e003b991a04 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_router.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c @@ -8,6 +8,7 @@ #include <net/switchdev.h> #include <linux/rhashtable.h> #include <net/nexthop.h> +#include <net/netevent.h> #include "prestera.h" #include "prestera_router_hw.h" @@ -610,6 +611,57 @@ static int __prestera_router_fib_event(struct notifier_block *nb, return NOTIFY_DONE; } +struct prestera_netevent_work { + struct work_struct work; + struct prestera_switch *sw; + struct neighbour *n; +}; + +static void prestera_router_neigh_event_work(struct work_struct *work) +{ + struct prestera_netevent_work *net_work = + container_of(work, struct prestera_netevent_work, work); + struct prestera_switch *sw = net_work->sw; + struct neighbour *n = net_work->n; + + /* neigh - its not hw related object. It stored only in kernel. So... */ + rtnl_lock(); + + /* TODO: handler */ + + neigh_release(n); + rtnl_unlock(); + kfree(net_work); +} + +static int prestera_router_netevent_event(struct notifier_block *nb, + unsigned long event, void *ptr) +{ + struct prestera_netevent_work *net_work; + struct prestera_router *router; + struct neighbour *n = ptr; + + router = container_of(nb, struct prestera_router, netevent_nb); + + switch (event) { + case NETEVENT_NEIGH_UPDATE: + if (n->tbl->family != AF_INET) + return NOTIFY_DONE; + + net_work = kzalloc(sizeof(*net_work), GFP_ATOMIC); + if (WARN_ON(!net_work)) + return NOTIFY_BAD; + + neigh_clone(n); + net_work->n = n; + net_work->sw = router->sw; + INIT_WORK(&net_work->work, prestera_router_neigh_event_work); + prestera_queue_work(&net_work->work); + } + + return NOTIFY_DONE; +} + int prestera_router_init(struct prestera_switch *sw) { struct prestera_router *router; @@ -648,6 +700,11 @@ int prestera_router_init(struct prestera_switch *sw) if (err) goto err_register_inetaddr_notifier; + router->netevent_nb.notifier_call = prestera_router_netevent_event; + err = register_netevent_notifier(&router->netevent_nb); + if (err) + goto err_register_netevent_notifier; + router->fib_nb.notifier_call = __prestera_router_fib_event; err = register_fib_notifier(&init_net, &router->fib_nb, /* TODO: flush fib entries */ NULL, NULL); @@ -657,6 +714,8 @@ int prestera_router_init(struct prestera_switch *sw) return 0; err_register_fib_notifier: + unregister_netevent_notifier(&router->netevent_nb); +err_register_netevent_notifier: unregister_inetaddr_notifier(&router->inetaddr_nb); err_register_inetaddr_notifier: unregister_inetaddr_validator_notifier(&router->inetaddr_valid_nb); @@ -674,6 +733,7 @@ int prestera_router_init(struct prestera_switch *sw) void prestera_router_fini(struct prestera_switch *sw) { unregister_fib_notifier(&init_net, &sw->router->fib_nb); + unregister_netevent_notifier(&sw->router->netevent_nb); unregister_inetaddr_notifier(&sw->router->inetaddr_nb); unregister_inetaddr_validator_notifier(&sw->router->inetaddr_valid_nb); prestera_queue_drain(); -- 2.17.1
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