diff options
Diffstat (limited to 'net/caif/caif_dev.c')
| -rw-r--r-- | net/caif/caif_dev.c | 77 |
1 files changed, 36 insertions, 41 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 6d1d86be187b..0e651cf577cf 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -21,7 +21,6 @@ #include <net/net_namespace.h> #include <net/pkt_sched.h> #include <net/caif/caif_device.h> -#include <net/caif/caif_dev.h> #include <net/caif/caif_layer.h> #include <net/caif/cfpkt.h> #include <net/caif/cfcnfg.h> @@ -43,11 +42,21 @@ struct caif_device_entry_list { }; struct caif_net { + struct cfcnfg *cfg; struct caif_device_entry_list caifdevs; }; static int caif_net_id; -static struct cfcnfg *cfg; + +struct cfcnfg *get_cfcnfg(struct net *net) +{ + struct caif_net *caifn; + BUG_ON(!net); + caifn = net_generic(net, caif_net_id); + BUG_ON(!caifn); + return caifn->cfg; +} +EXPORT_SYMBOL(get_cfcnfg); static struct caif_device_entry_list *caif_device_list(struct net *net) { @@ -191,12 +200,17 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, struct caif_dev_common *caifdev; enum cfcnfg_phy_preference pref; enum cfcnfg_phy_type phy_type; + struct cfcnfg *cfg; struct caif_device_entry_list *caifdevs = caif_device_list(dev_net(dev)); if (dev->type != ARPHRD_CAIF) return 0; + cfg = get_cfcnfg(dev_net(dev)); + if (cfg == NULL) + return 0; + switch (what) { case NETDEV_REGISTER: caifd = caif_device_alloc(dev); @@ -235,7 +249,6 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what, phy_type, dev, &caifd->layer, - 0, pref, caifdev->use_fcs, caifdev->use_stx); @@ -323,35 +336,20 @@ static struct notifier_block caif_device_notifier = { .priority = 0, }; -int caif_connect_client(struct caif_connect_request *conn_req, - struct cflayer *client_layer, int *ifindex, - int *headroom, int *tailroom) -{ - struct cfctrl_link_param param; - int ret; - - ret = caif_connect_req_to_link_param(cfg, conn_req, ¶m); - if (ret) - return ret; - /* Hook up the adaptation layer. */ - return cfcnfg_add_adaptation_layer(cfg, ¶m, - client_layer, ifindex, - headroom, tailroom); -} -EXPORT_SYMBOL(caif_connect_client); - -int caif_disconnect_client(struct cflayer *adap_layer) -{ - return cfcnfg_disconn_adapt_layer(cfg, adap_layer); -} -EXPORT_SYMBOL(caif_disconnect_client); - /* Per-namespace Caif devices handling */ static int caif_init_net(struct net *net) { struct caif_net *caifn = net_generic(net, caif_net_id); + BUG_ON(!caifn); INIT_LIST_HEAD(&caifn->caifdevs.list); mutex_init(&caifn->caifdevs.lock); + + caifn->cfg = cfcnfg_create(); + if (!caifn->cfg) { + pr_warn("can't create cfcnfg\n"); + return -ENOMEM; + } + return 0; } @@ -360,10 +358,17 @@ static void caif_exit_net(struct net *net) struct caif_device_entry *caifd, *tmp; struct caif_device_entry_list *caifdevs = caif_device_list(net); + struct cfcnfg *cfg; rtnl_lock(); mutex_lock(&caifdevs->lock); + cfg = get_cfcnfg(net); + if (cfg == NULL) { + mutex_unlock(&caifdevs->lock); + return; + } + list_for_each_entry_safe(caifd, tmp, &caifdevs->list, list) { int i = 0; list_del_rcu(&caifd->list); @@ -382,7 +387,7 @@ static void caif_exit_net(struct net *net) free_percpu(caifd->pcpu_refcnt); kfree(caifd); } - + cfcnfg_remove(cfg); mutex_unlock(&caifdevs->lock); rtnl_unlock(); @@ -400,32 +405,22 @@ static int __init caif_device_init(void) { int result; - cfg = cfcnfg_create(); - if (!cfg) { - pr_warn("can't create cfcnfg\n"); - goto err_cfcnfg_create_failed; - } result = register_pernet_device(&caif_net_ops); - if (result) { - kfree(cfg); - cfg = NULL; + if (result) return result; - } - dev_add_pack(&caif_packet_type); + register_netdevice_notifier(&caif_device_notifier); + dev_add_pack(&caif_packet_type); return result; -err_cfcnfg_create_failed: - return -ENODEV; } static void __exit caif_device_exit(void) { - dev_remove_pack(&caif_packet_type); unregister_pernet_device(&caif_net_ops); unregister_netdevice_notifier(&caif_device_notifier); - cfcnfg_remove(cfg); + dev_remove_pack(&caif_packet_type); } module_init(caif_device_init); |