1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _NCU_H 28 #define _NCU_H 29 30 #include <dhcpagent_ipc.h> 31 #include <dhcpagent_util.h> 32 #include <inetcfg.h> 33 #include <libdladm.h> 34 #include <libdlpi.h> 35 #include <libdlwlan.h> 36 #include <libnwam.h> 37 #include <libnwam_priv.h> 38 #include <libuutil.h> 39 #include <pthread.h> 40 #include <sys/mac.h> 41 42 #include "events.h" 43 44 extern pthread_mutex_t active_ncp_mutex; 45 extern pthread_mutex_t active_loc_mutex; 46 extern char active_loc[]; 47 extern uint64_t wireless_scan_interval; 48 extern dladm_wlan_strength_t wireless_scan_level; 49 extern boolean_t wireless_autoconf; 50 extern boolean_t wireless_strict_bssid; 51 52 /* 53 * NCPs are collections of NCUs. At the moment there is one NCP in the system 54 * and its expected there will never be many. There is a lock on the NCP which 55 * must be obtained to add or remove anything from the NCP. 56 * 57 * NCUs are also kept in a uu list for easy walking. Each NCU has a lock which 58 * is used to protect manipulation of its contents. One of its members is a 59 * reference count which is initialized to 1 when its placed on the NCP. As 60 * references are passed around that should be manipulated as necessary 61 * (helper functions YYY provided). It is removed from the NCP by 62 * ncu_destroy() but the memory containing it is not returned to the free pool 63 * until the reference count falls to 0. 64 * 65 * As we add 66 * more complex system objects their relationship becomes more complex. That 67 * is represented by the links within the NCUs. Reference counts should be 68 * used to maintain the consistency of these links. Care should be used when 69 * walking more complex structures that might contain cycles. 70 */ 71 72 /* Stores details of last/current WiFi scans */ 73 typedef struct nwamd_wifi_scan { 74 char nwamd_wifi_scan_link[NWAM_MAX_NAME_LEN]; 75 nwam_wlan_t nwamd_wifi_scan_last[NWAMD_MAX_NUM_WLANS]; 76 uint_t nwamd_wifi_scan_last_num; 77 nwam_wlan_t nwamd_wifi_scan_curr[NWAMD_MAX_NUM_WLANS]; 78 uint_t nwamd_wifi_scan_curr_num; 79 boolean_t nwamd_wifi_scan_changed; 80 uint32_t nwamd_wifi_scan_last_time; 81 } nwamd_wifi_scan_t; 82 83 typedef struct nwamd_link { 84 pthread_mutex_t nwamd_link_wifi_mutex; 85 pthread_t nwamd_link_wifi_scan_thread; 86 pthread_t nwamd_link_wifi_monitor_thread; 87 char nwamd_link_wifi_essid[DLADM_STRSIZE]; 88 char nwamd_link_wifi_bssid[DLADM_STRSIZE]; 89 char nwamd_link_wifi_keyname[DLADM_STRSIZE]; 90 char nwamd_link_wifi_signal_strength[DLADM_STRSIZE]; 91 boolean_t nwamd_link_wifi_add_to_known_wlans; 92 boolean_t nwamd_link_wifi_connected; 93 uint32_t nwamd_link_wifi_security_mode; 94 dladm_wlan_key_t *nwamd_link_wifi_key; 95 nwamd_wifi_scan_t nwamd_link_wifi_scan; 96 uint64_t nwamd_link_wifi_priority; 97 boolean_t nwamd_link_wifi_autoconf; 98 uint32_t nwamd_link_id; 99 uint32_t nwamd_link_media; 100 uint64_t nwamd_link_flags; 101 dlpi_handle_t nwamd_link_dhp; 102 pthread_t nwamd_link_dlpi_thread; 103 uint64_t nwamd_link_activation_mode; 104 uint64_t nwamd_link_priority_mode; 105 uint64_t nwamd_link_priority_group; 106 char *nwamd_link_mac_addr; 107 size_t nwamd_link_mac_addr_len; 108 uint64_t nwamd_link_mtu; 109 char **nwamd_link_autopush; 110 uint_t nwamd_link_num_autopush; 111 } nwamd_link_t; 112 113 struct nwamd_if_address { 114 size_t prefix; 115 struct sockaddr address; 116 char pad[sizeof (struct sockaddr_storage)]; 117 boolean_t configured; 118 boolean_t dhcp_if; 119 boolean_t stateless_if; 120 char ifname[LIFNAMSIZ]; 121 struct nwamd_if_address *next; 122 }; 123 124 typedef struct nwamd_if { 125 boolean_t nwamd_if_dhcp_requested; 126 boolean_t nwamd_if_dhcp_configured; 127 boolean_t nwamd_if_stateful_requested; 128 boolean_t nwamd_if_stateful_configured; 129 boolean_t nwamd_if_stateless_requested; 130 boolean_t nwamd_if_stateless_configured; 131 struct nwamd_if_address *nwamd_if_list; 132 struct sockaddr_in nwamd_if_ipv4_default_route; 133 boolean_t nwamd_if_ipv4_default_route_set; 134 struct sockaddr_in6 nwamd_if_ipv6_default_route; 135 boolean_t nwamd_if_ipv6_default_route_set; 136 boolean_t nwamd_if_ipv4; 137 boolean_t nwamd_if_ipv6; 138 } nwamd_if_t; 139 140 typedef struct nwamd_ncu { 141 nwam_ncu_type_t ncu_type; 142 char *ncu_name; 143 char ncu_parent[NWAM_MAX_NAME_LEN]; 144 boolean_t ncu_enabled; /* whether NCU has been enabled or not */ 145 union { 146 nwamd_link_t u_link; 147 nwamd_if_t u_if; 148 } ncu_node; 149 } nwamd_ncu_t; 150 151 #define ncu_link ncu_node.u_link 152 #define ncu_if ncu_node.u_if 153 154 #define LOOPBACK_IF "lo0" 155 156 struct nwamd_dhcp_thread_arg { 157 char *name; 158 dhcp_ipc_type_t type; 159 int timeout; 160 volatile uint32_t *guard; 161 }; 162 163 #define WIRELESS_SCAN_INTERVAL_DEFAULT 120 164 #define WIRELESS_SCAN_INTERVAL_MIN 30 165 #define WIRELESS_SCAN_REQUESTED_INTERVAL_MIN 10 166 #define WIRELESS_MONITOR_SIGNAL_INTERVAL 10 167 #define WIRELESS_RETRY_INTERVAL 30 168 #define WIRELESS_SCAN_LEVEL_DEFAULT DLADM_WLAN_STRENGTH_WEAK 169 #define NWAMD_DHCP_RETRIES 5 170 #define NWAMD_DHCP_RETRY_WAIT_TIME 10 171 #define NWAMD_READONLY_RETRY_INTERVAL 5 172 173 /* 174 * This dladm handle is opened before interfaces are initialized and 175 * closed only when nwamd shuts down. 176 */ 177 extern dladm_handle_t dld_handle; 178 179 extern nwamd_object_t nwamd_ncu_object_find(nwam_ncu_type_t, const char *); 180 extern void nwamd_log_ncus(void); 181 extern void nwamd_ncu_free(nwamd_ncu_t *); 182 183 /* WLAN functions */ 184 extern void nwamd_set_selected_connected(nwamd_ncu_t *, boolean_t, boolean_t); 185 extern nwam_error_t nwamd_wlan_select(const char *, const char *, const char *, 186 uint32_t, boolean_t); 187 extern nwam_error_t nwamd_wlan_set_key(const char *, const char *, const char *, 188 uint32_t, uint_t, char *); 189 extern nwam_error_t nwamd_wlan_scan(const char *); 190 extern void nwamd_wlan_connect(const char *); 191 extern boolean_t nwamd_wlan_connected(nwamd_object_t); 192 extern void nwamd_wlan_monitor_signal(const char *); 193 extern void nwamd_ncu_create_periodic_scan_event(nwamd_object_t); 194 extern dladm_wlan_key_t *nwamd_wlan_get_key_named(const char *, uint32_t); 195 extern void nwamd_set_key_name(const char *, const char *, char *, size_t); 196 197 /* Link functions */ 198 extern link_state_t nwamd_get_link_state(const char *); 199 extern char *nwamd_sockaddr_to_str(const struct sockaddr *, char *, size_t); 200 extern void nwamd_propogate_link_up_down_to_ip(const char *, boolean_t); 201 extern void nwamd_set_unset_link_properties(nwamd_ncu_t *, boolean_t); 202 /* DLPI event hooking */ 203 extern void nwamd_dlpi_add_link(nwamd_object_t); 204 extern void nwamd_dlpi_delete_link(nwamd_object_t); 205 206 /* IP functions */ 207 extern void nwamd_update_addresses_unconfigured(nwamd_ncu_t *, sa_family_t); 208 extern boolean_t nwamd_static_addresses_configured(nwamd_ncu_t *, sa_family_t); 209 extern void nwamd_plumb_interface(nwamd_ncu_t *, uint_t, int); 210 extern void nwamd_unplumb_interface(nwamd_ncu_t *, uint_t, int); 211 extern void nwamd_start_dhcp(nwamd_ncu_t *); 212 extern void nwamd_dhcp_inform(nwamd_ncu_t *); 213 extern boolean_t nwamd_dhcp_managing(int, nwamd_ncu_t *); 214 extern void nwamd_configure_interface_addresses(nwamd_ncu_t *); 215 extern char *nwamd_get_dhcpinfo_data(const char *, char *); 216 extern void nwamd_dhcp_release(const char *); 217 extern void nwamd_add_default_routes(nwamd_ncu_t *); 218 extern void nwamd_add_route(struct sockaddr *, struct sockaddr *, 219 struct sockaddr *, const char *); 220 221 /* NCU value set/get functions */ 222 extern nwam_error_t nwamd_set_ncu_uint(nwam_ncu_handle_t, uint64_t *, uint_t, 223 const char *); 224 extern nwam_error_t nwamd_set_ncu_string(nwam_ncu_handle_t, char **, uint_t, 225 const char *); 226 extern nwam_error_t nwamd_get_ncu_uint(nwam_ncu_handle_t, nwam_value_t *, 227 uint64_t **, uint_t *, const char *); 228 extern nwam_error_t nwamd_get_ncu_string(nwam_ncu_handle_t, nwam_value_t *, 229 char ***, uint_t *, const char *); 230 231 extern void nwamd_walk_physical_configuration(void); 232 233 char *nwamd_link_to_ifname(const char *, int, char *, int); 234 235 #endif /* _NCU_H */ 236