int ceph_compare_options(struct ceph_options *new_opt, struct ceph_client *client) { struct ceph_options *opt1 = new_opt; struct ceph_options *opt2 = client->options; int ofs = offsetof(struct ceph_options, mon_addr); int i; int ret; /* * Don't bother comparing options if network namespaces don't * match. */ if (!net_eq(current->nsproxy->net_ns, read_pnet(&client->msgr.net))) return -1; ret = memcmp(opt1, opt2, ofs); if (ret) return ret; ret = strcmp_null(opt1->name, opt2->name); if (ret) return ret; if (opt1->key && !opt2->key) return -1; if (!opt1->key && opt2->key) return 1; if (opt1->key && opt2->key) { if (opt1->key->type != opt2->key->type) return -1; if (opt1->key->created.tv_sec != opt2->key->created.tv_sec) return -1; if (opt1->key->created.tv_nsec != opt2->key->created.tv_nsec) return -1; if (opt1->key->len != opt2->key->len) return -1; if (opt1->key->key && !opt2->key->key) return -1; if (!opt1->key->key && opt2->key->key) return 1; if (opt1->key->key && opt2->key->key) { ret = memcmp(opt1->key->key, opt2->key->key, opt1->key->len); if (ret) return ret; } } /* any matching mon ip implies a match */ for (i = 0; i < opt1->num_mon; i++) { if (ceph_monmap_contains(client->monc.monmap, &opt1->mon_addr[i])) return 0; } return -1; }
void ipvlan_l3s_unregister(struct ipvl_port *port) { struct net_device *dev = port->dev; ASSERT_RTNL(); dev->priv_flags &= ~IFF_L3MDEV_RX_HANDLER; ipvlan_unregister_nf_hook(read_pnet(&port->pnet)); dev->l3mdev_ops = NULL; }
int ipvlan_l3s_register(struct ipvl_port *port) { struct net_device *dev = port->dev; int ret; ASSERT_RTNL(); ret = ipvlan_register_nf_hook(read_pnet(&port->pnet)); if (!ret) { dev->l3mdev_ops = &ipvl_l3mdev_ops; dev->priv_flags |= IFF_L3MDEV_RX_HANDLER; } return ret; }
/* Determine whether skb->nfct is equal to the result of conntrack lookup. */ static bool skb_nfct_cached(const struct net *net, const struct sk_buff *skb, const struct ovs_conntrack_info *info) { enum ip_conntrack_info ctinfo; struct nf_conn *ct; ct = nf_ct_get(skb, &ctinfo); if (!ct) return false; if (!net_eq(net, read_pnet(&ct->ct_net))) return false; if (!nf_ct_zone_equal_any(info->ct, nf_ct_zone(ct))) return false; if (info->helper) { struct nf_conn_help *help; help = nf_ct_ext_find(ct, NF_CT_EXT_HELPER); if (help && rcu_access_pointer(help->helper) != info->helper) return false; } return true; }
static inline struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl) { return read_pnet(&lbl->lbl_net); }
static inline struct net *tm_net(struct tcp_metrics_block *tm) { return read_pnet(&tm->tcpm_net); }