diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_app.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_app.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.c b/drivers/net/ethernet/netronome/nfp/nfp_app.c index 4a1b8f79e731..3a973282b2bb 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_app.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_app.c @@ -131,11 +131,45 @@ nfp_app_reprs_set(struct nfp_app *app, enum nfp_repr_type type, struct nfp_reprs *old; old = nfp_reprs_get_locked(app, type); + rtnl_lock(); rcu_assign_pointer(app->reprs[type], reprs); + rtnl_unlock(); return old; } +static void +nfp_app_netdev_feat_change(struct nfp_app *app, struct net_device *netdev) +{ + struct nfp_net *nn; + unsigned int type; + + if (!nfp_netdev_is_nfp_net(netdev)) + return; + nn = netdev_priv(netdev); + if (nn->app != app) + return; + + for (type = 0; type < __NFP_REPR_TYPE_MAX; type++) { + struct nfp_reprs *reprs; + unsigned int i; + + reprs = rtnl_dereference(app->reprs[type]); + if (!reprs) + continue; + + for (i = 0; i < reprs->num_reprs; i++) { + struct net_device *repr; + + repr = rtnl_dereference(reprs->reprs[i]); + if (!repr) + continue; + + nfp_repr_transfer_features(repr, netdev); + } + } +} + static int nfp_app_netdev_event(struct notifier_block *nb, unsigned long event, void *ptr) { @@ -145,6 +179,14 @@ nfp_app_netdev_event(struct notifier_block *nb, unsigned long event, void *ptr) netdev = netdev_notifier_info_to_dev(ptr); app = container_of(nb, struct nfp_app, netdev_nb); + /* Handle events common code is interested in */ + switch (event) { + case NETDEV_FEAT_CHANGE: + nfp_app_netdev_feat_change(app, netdev); + break; + } + + /* Call offload specific handlers */ if (app->type->netdev_event) return app->type->netdev_event(app, netdev, event, ptr); return NOTIFY_DONE; |