aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/nl80211.h80
-rw-r--r--include/net/cfg80211.h135
-rw-r--r--net/mac80211/cfg.c2
-rw-r--r--net/wireless/Makefile2
-rw-r--r--net/wireless/core.c16
-rw-r--r--net/wireless/core.h7
-rw-r--r--net/wireless/nl80211.c368
-rw-r--r--net/wireless/nl80211.h13
-rw-r--r--net/wireless/sme.c224
9 files changed, 829 insertions, 18 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 651b1883908..b34c17f52f3 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -246,6 +246,22 @@
* to identify the device, and the TESTDATA blob attribute to pass through
* to the driver.
*
+ * @NL80211_CMD_CONNECT: connection request and notification; this command
+ * requests to connect to a specified network but without separating
+ * auth and assoc steps. For this, you need to specify the SSID in a
+ * %NL80211_ATTR_SSID attribute, and can optionally specify the association
+ * IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_MAC,
+ * %NL80211_ATTR_WIPHY_FREQ and %NL80211_ATTR_CONTROL_PORT.
+ * It is also sent as an event, with the BSSID and response IEs when the
+ * connection is established or failed to be established. This can be
+ * determined by the STATUS_CODE attribute.
+ * @NL80211_CMD_ROAM: request that the card roam (currently not implemented),
+ * sent as an event when the card/driver roamed by itself.
+ * @NL80211_CMD_DISCONNECT: drop a given connection; also used to notify
+ * userspace that a connection was dropped by the AP or due to other
+ * reasons, for this the %NL80211_ATTR_DISCONNECTED_BY_AP and
+ * %NL80211_ATTR_REASON_CODE attributes are used.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -316,6 +332,10 @@ enum nl80211_commands {
NL80211_CMD_TESTMODE,
+ NL80211_CMD_CONNECT,
+ NL80211_CMD_ROAM,
+ NL80211_CMD_DISCONNECT,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -520,6 +540,30 @@ enum nl80211_commands {
* @NL80211_ATTR_TESTDATA: Testmode data blob, passed through to the driver.
* We recommend using nested, driver-specific attributes within this.
*
+ * @NL80211_ATTR_DISCONNECTED_BY_AP: A flag indicating that the DISCONNECT
+ * event was due to the AP disconnecting the station, and not due to
+ * a local disconnect request.
+ * @NL80211_ATTR_STATUS_CODE: StatusCode for the %NL80211_CMD_CONNECT
+ * event (u16)
+ * @NL80211_ATTR_PRIVACY: Flag attribute, used with connect(), indicating
+ * that protected APs should be used.
+ *
+ * @NL80211_ATTR_CIPHERS_PAIRWISE: Used with CONNECT and ASSOCIATE to
+ * indicate which unicast key ciphers will be used with the connection
+ * (an array of u32).
+ * @NL80211_ATTR_CIPHER_GROUP: Used with CONNECT and ASSOCIATE to indicate
+ * which group key cipher will be used with the connection (a u32).
+ * @NL80211_ATTR_WPA_VERSIONS: Used with CONNECT and ASSOCIATE to indicate
+ * which WPA version(s) the AP we want to associate with is using
+ * (a u32 with flags from &enum nl80211_wpa_versions).
+ * @NL80211_ATTR_AKM_SUITES: Used with CONNECT and ASSOCIATE to indicate
+ * which key management algorithm(s) to use (an array of u32).
+ *
+ * @NL80211_ATTR_REQ_IE: (Re)association request information elements as
+ * sent out by the card, for ROAM and successful CONNECT events.
+ * @NL80211_ATTR_RESP_IE: (Re)association response information elements as
+ * sent by peer, for ROAM and successful CONNECT events.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -630,6 +674,19 @@ enum nl80211_attrs {
NL80211_ATTR_TESTDATA,
+ NL80211_ATTR_PRIVACY,
+
+ NL80211_ATTR_DISCONNECTED_BY_AP,
+ NL80211_ATTR_STATUS_CODE,
+
+ NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
+ NL80211_ATTR_CIPHER_SUITE_GROUP,
+ NL80211_ATTR_WPA_VERSIONS,
+ NL80211_ATTR_AKM_SUITES,
+
+ NL80211_ATTR_REQ_IE,
+ NL80211_ATTR_RESP_IE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -640,6 +697,7 @@ enum nl80211_attrs {
* Allow user space programs to use #ifdef on new attributes by defining them
* here
*/
+#define NL80211_CMD_CONNECT NL80211_CMD_CONNECT
#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
#define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES
#define NL80211_ATTR_WIPHY_TXQ_PARAMS NL80211_ATTR_WIPHY_TXQ_PARAMS
@@ -653,6 +711,10 @@ enum nl80211_attrs {
#define NL80211_ATTR_SSID NL80211_ATTR_SSID
#define NL80211_ATTR_AUTH_TYPE NL80211_ATTR_AUTH_TYPE
#define NL80211_ATTR_REASON_CODE NL80211_ATTR_REASON_CODE
+#define NL80211_ATTR_CIPHER_SUITES_PAIRWISE NL80211_ATTR_CIPHER_SUITES_PAIRWISE
+#define NL80211_ATTR_CIPHER_SUITE_GROUP NL80211_ATTR_CIPHER_SUITE_GROUP
+#define NL80211_ATTR_WPA_VERSIONS NL80211_ATTR_WPA_VERSIONS
+#define NL80211_ATTR_AKM_SUITES NL80211_ATTR_AKM_SUITES
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
@@ -661,6 +723,9 @@ enum nl80211_attrs {
#define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY 24
#define NL80211_HT_CAPABILITY_LEN 26
+#define NL80211_MAX_NR_CIPHER_SUITES 5
+#define NL80211_MAX_NR_AKM_SUITES 2
+
/**
* enum nl80211_iftype - (virtual) interface types
*
@@ -1205,12 +1270,22 @@ enum nl80211_bss {
* @NL80211_AUTHTYPE_SHARED_KEY: Shared Key authentication (WEP only)
* @NL80211_AUTHTYPE_FT: Fast BSS Transition (IEEE 802.11r)
* @NL80211_AUTHTYPE_NETWORK_EAP: Network EAP (some Cisco APs and mainly LEAP)
+ * @__NL80211_AUTHTYPE_NUM: internal
+ * @NL80211_AUTHTYPE_MAX: maximum valid auth algorithm
+ * @NL80211_AUTHTYPE_AUTOMATIC: determine automatically (if necessary by
+ * trying multiple times); this is invalid in netlink -- leave out
+ * the attribute for this on CONNECT commands.
*/
enum nl80211_auth_type {
NL80211_AUTHTYPE_OPEN_SYSTEM,
NL80211_AUTHTYPE_SHARED_KEY,
NL80211_AUTHTYPE_FT,
NL80211_AUTHTYPE_NETWORK_EAP,
+
+ /* keep last */
+ __NL80211_AUTHTYPE_NUM,
+ NL80211_AUTHTYPE_MAX = __NL80211_AUTHTYPE_NUM - 1,
+ NL80211_AUTHTYPE_AUTOMATIC
};
/**
@@ -1235,4 +1310,9 @@ enum nl80211_mfp {
NL80211_MFP_REQUIRED,
};
+enum nl80211_wpa_versions {
+ NL80211_WPA_VERSION_1 = 1 << 0,
+ NL80211_WPA_VERSION_2 = 1 << 1,
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 885d4e5bc4b..68e11321ed7 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -605,6 +605,30 @@ struct cfg80211_bss {
};
/**
+ * struct cfg80211_crypto_settings - Crypto settings
+ * @wpa_versions: indicates which, if any, WPA versions are enabled
+ * (from enum nl80211_wpa_versions)
+ * @cipher_group: group key cipher suite (or 0 if unset)
+ * @n_ciphers_pairwise: number of AP supported unicast ciphers
+ * @ciphers_pairwise: unicast key cipher suites
+ * @n_akm_suites: number of AKM suites
+ * @akm_suites: AKM suites
+ * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
+ * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
+ * required to assume that the port is unauthorized until authorized by
+ * user space. Otherwise, port is marked authorized by default.
+ */
+struct cfg80211_crypto_settings {
+ u32 wpa_versions;
+ u32 cipher_group;
+ int n_ciphers_pairwise;
+ u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
+ int n_akm_suites;
+ u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
+ bool control_port;
+};
+
+/**
* struct cfg80211_auth_request - Authentication request data
*
* This structure provides information needed to complete IEEE 802.11
@@ -658,10 +682,7 @@ struct cfg80211_auth_request {
* @ie: Extra IEs to add to (Re)Association Request frame or %NULL
* @ie_len: Length of ie buffer in octets
* @use_mfp: Use management frame protection (IEEE 802.11w) in this association
- * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
- * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
- * required to assume that the port is unauthorized until authorized by
- * user space. Otherwise, port is marked authorized by default.
+ * @crypto: crypto settings
*/
struct cfg80211_assoc_request {
struct ieee80211_channel *chan;
@@ -671,7 +692,7 @@ struct cfg80211_assoc_request {
const u8 *ie;
size_t ie_len;
bool use_mfp;
- bool control_port;
+ struct cfg80211_crypto_settings crypto;
};
/**
@@ -738,6 +759,36 @@ struct cfg80211_ibss_params {
};
/**
+ * struct cfg80211_connect_params - Connection parameters
+ *
+ * This structure provides information needed to complete IEEE 802.11
+ * authentication and association.
+ *
+ * @channel: The channel to use or %NULL if not specified (auto-select based
+ * on scan results)
+ * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
+ * results)
+ * @ssid: SSID
+ * @ssid_len: Length of ssid in octets
+ * @auth_type: Authentication type (algorithm)
+ * @assoc_ie: IEs for association request
+ * @assoc_ie_len: Length of assoc_ie in octets
+ * @privacy: indicates whether privacy-enabled APs should be used
+ * @crypto: crypto settings
+ */
+struct cfg80211_connect_params {
+ struct ieee80211_channel *channel;
+ u8 *bssid;
+ u8 *ssid;
+ size_t ssid_len;
+ enum nl80211_auth_type auth_type;
+ u8 *ie;
+ size_t ie_len;
+ bool privacy;
+ struct cfg80211_crypto_settings crypto;
+};
+
+/**
* enum wiphy_params_flags - set_wiphy_params bitfield values
* WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
* WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
@@ -841,6 +892,12 @@ enum tx_power_setting {
* @deauth: Request to deauthenticate from the specified peer
* @disassoc: Request to disassociate from the specified peer
*
+ * @connect: Connect to the ESS with the specified parameters. When connected,
+ * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
+ * If the connection fails for some reason, call cfg80211_connect_result()
+ * with the status from the AP.
+ * @disconnect: Disconnect from the BSS/ESS.
+ *
* @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
* cfg80211_ibss_joined(), also call that function when changing BSSID due
* to a merge.
@@ -946,6 +1003,11 @@ struct cfg80211_ops {
int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_disassoc_request *req);
+ int (*connect)(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_connect_params *sme);
+ int (*disconnect)(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code);
+
int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_ibss_params *params);
int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
@@ -1174,10 +1236,15 @@ struct wireless_dev {
struct list_head list;
struct net_device *netdev;
- /* currently used for IBSS - might be rearranged in the future */
+ /* currently used for IBSS and SME - might be rearranged later */
struct cfg80211_bss *current_bss;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len;
+ enum {
+ CFG80211_SME_IDLE,
+ CFG80211_SME_CONNECTING, /* ->connect called */
+ CFG80211_SME_CONNECTED,
+ } sme_state;
#ifdef CONFIG_WIRELESS_EXT
/* wext data */
@@ -1788,4 +1855,60 @@ void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp);
#define CFG80211_TESTMODE_CMD(cmd)
#endif
+/**
+ * cfg80211_connect_result - notify cfg80211 of connection result
+ *
+ * @dev: network device
+ * @bssid: the BSSID of the AP
+ * @req_ie: association request IEs (maybe be %NULL)
+ * @req_ie_len: association request IEs length
+ * @resp_ie: association response IEs (may be %NULL)
+ * @resp_ie_len: assoc response IEs length
+ * @status: status code, 0 for successful connection, use
+ * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you
+ * the real status code for failures.
+ * @gfp: allocation flags
+ *
+ * It should be called by the underlying driver whenever connect() has
+ * succeeded.
+ */
+void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp);
+
+/**
+ * cfg80211_roamed - notify cfg80211 of roaming
+ *
+ * @dev: network device
+ * @bssid: the BSSID of the new AP
+ * @req_ie: association request IEs (maybe be %NULL)
+ * @req_ie_len: association request IEs length
+ * @resp_ie: association response IEs (may be %NULL)
+ * @resp_ie_len: assoc response IEs length
+ * @gfp: allocation flags
+ *
+ * It should be called by the underlying driver whenever it roamed
+ * from one AP to another while connected.
+ */
+void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+
+/**
+ * cfg80211_disconnected - notify cfg80211 that connection was dropped
+ *
+ * @dev: network device
+ * @ie: information elements of the deauth/disassoc frame (may be %NULL)
+ * @ie_len: length of IEs
+ * @reason: reason code for the disconnection, set it to 0 if unknown
+ * @gfp: allocation flags
+ *
+ * After it calls this function, the driver should enter an idle state
+ * and not try to connect to any AP any more.
+ */
+void cfg80211_disconnected(struct net_device *dev, u16 reason,
+ u8 *ie, size_t ie_len, gfp_t gfp);
+
+
#endif /* __NET_CFG80211_H */
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c34c1a41019..03de4024597 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1262,7 +1262,7 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
sdata->u.mgd.flags &= ~IEEE80211_STA_MFP_ENABLED;
}
- if (req->control_port)
+ if (req->crypto.control_port)
sdata->u.mgd.flags |= IEEE80211_STA_CONTROL_PORT;
else
sdata->u.mgd.flags &= ~IEEE80211_STA_CONTROL_PORT;
diff --git a/net/wireless/Makefile b/net/wireless/Makefile
index f78c4832a9c..750c08e31b1 100644
--- a/net/wireless/Makefile
+++ b/net/wireless/Makefile
@@ -5,7 +5,7 @@ obj-$(CONFIG_LIB80211_CRYPT_WEP) += lib80211_crypt_wep.o
obj-$(CONFIG_LIB80211_CRYPT_CCMP) += lib80211_crypt_ccmp.o
obj-$(CONFIG_LIB80211_CRYPT_TKIP) += lib80211_crypt_tkip.o
-cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o
+cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o mlme.o ibss.o sme.o
cfg80211-$(CONFIG_CFG80211_DEBUGFS) += debugfs.o
cfg80211-$(CONFIG_WIRELESS_EXT) += wext-compat.o
diff --git a/net/wireless/core.c b/net/wireless/core.c
index d41b7412b21..314e00f70e3 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -546,6 +546,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
"symlink to netdev!\n");
}
wdev->netdev = dev;
+ wdev->sme_state = CFG80211_SME_IDLE;
#ifdef CONFIG_WIRELESS_EXT
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
@@ -553,11 +554,20 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
mutex_unlock(&rdev->devlist_mtx);
break;
case NETDEV_GOING_DOWN:
- if (wdev->iftype != NL80211_IFTYPE_ADHOC)
- break;
if (!wdev->ssid_len)
break;
- cfg80211_leave_ibss(rdev, dev, true);
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ cfg80211_leave_ibss(rdev, dev, true);
+ break;
+ case NL80211_IFTYPE_STATION:
+ cfg80211_disconnect(rdev, dev,
+ WLAN_REASON_DEAUTH_LEAVING);
+ break;
+ default:
+ break;
+ }
break;
case NETDEV_UP:
#ifdef CONFIG_WIRELESS_EXT
diff --git a/net/wireless/core.h b/net/wireless/core.h
index bc084b68865..f93f96f85d2 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -174,6 +174,13 @@ void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
struct net_device *dev, bool nowext);
+/* SME */
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect);
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason);
+
/* internal helpers */
int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
const u8 *mac_addr);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index bb8de268a6b..89dd3793e03 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -128,6 +128,9 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
.len = sizeof(struct nl80211_sta_flag_update),
},
[NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG },
+ [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
+ [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
+ [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
};
/* IE validation */
@@ -347,6 +350,17 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(join_ibss, JOIN_IBSS);
#undef CMD
+
+ if (dev->ops->connect) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_CONNECT);
+ }
+
+ if (dev->ops->disconnect) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_DISCONNECT);
+ }
+
nla_nest_end(msg, nl_cmds);
return genlmsg_end(msg, hdr);
@@ -3001,12 +3015,31 @@ static int nl80211_dump_scan(struct sk_buff *skb,
static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type)
{
- return auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM ||
- auth_type == NL80211_AUTHTYPE_SHARED_KEY ||
- auth_type == NL80211_AUTHTYPE_FT ||
- auth_type == NL80211_AUTHTYPE_NETWORK_EAP;
+ return auth_type <= NL80211_AUTHTYPE_MAX;
+}
+
+static bool nl80211_valid_wpa_versions(u32 wpa_versions)
+{
+ return !(wpa_versions & ~(NL80211_WPA_VERSION_1 |
+ NL80211_WPA_VERSION_2));
+}
+
+static bool nl80211_valid_akm_suite(u32 akm)
+{
+ return akm == WLAN_AKM_SUITE_8021X ||
+ akm == WLAN_AKM_SUITE_PSK;
+}
+
+static bool nl80211_valid_cipher_suite(u32 cipher)
+{
+ return cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ cipher == WLAN_CIPHER_SUITE_WEP104 ||
+ cipher == WLAN_CIPHER_SUITE_TKIP ||
+ cipher == WLAN_CIPHER_SUITE_CCMP ||
+ cipher == WLAN_CIPHER_SUITE_AES_CMAC;
}
+
static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
@@ -3086,6 +3119,68 @@ unlock_rtnl:
return err;
}
+static int nl80211_crypto_settings(struct genl_info *info,
+ struct cfg80211_crypto_settings *settings)
+{
+ settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
+
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
+ void *data;
+ int len, i;
+
+ data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]);
+ settings->n_ciphers_pairwise = len / sizeof(u32);
+
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ if (settings->n_ciphers_pairwise > NL80211_MAX_NR_CIPHER_SUITES)
+ return -EINVAL;
+
+ memcpy(settings->ciphers_pairwise, data, len);
+
+ for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ if (!nl80211_valid_cipher_suite(
+ settings->ciphers_pairwise[i]))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) {
+ settings->cipher_group =
+ nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]);
+ if (!nl80211_valid_cipher_suite(settings->cipher_group))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) {
+ settings->wpa_versions =
+ nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]);
+ if (!nl80211_valid_wpa_versions(settings->wpa_versions))
+ return -EINVAL;
+ }
+
+ if (info->attrs[NL80211_ATTR_AKM_SUITES]) {
+ void *data;
+ int len, i;
+
+ data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]);
+ settings->n_akm_suites = len / sizeof(u32);
+
+ if (len % sizeof(u32))
+ return -EINVAL;
+
+ memcpy(settings->akm_suites, data, len);
+
+ for (i = 0; i < settings->n_ciphers_pairwise; i++)
+ if (!nl80211_valid_akm_suite(settings->akm_suites[i]))
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
@@ -3156,9 +3251,9 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
}
}
- req.control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
-
- err = drv->ops->assoc(&drv->wiphy, dev, &req);
+ err = nl80211_crypto_settings(info, &req.crypto);
+ if (!err)
+ err = drv->ops->assoc(&drv->wiphy, dev, &req);
out:
cfg80211_put_dev(drv);
@@ -3538,6 +3633,130 @@ void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
EXPORT_SYMBOL(cfg80211_testmode_event);
#endif
+static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ struct net_device *dev;
+ struct cfg80211_connect_params connect;
+ struct wiphy *wiphy;
+ int err;
+
+ memset(&connect, 0, sizeof(connect));
+
+ if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_SSID] ||
+ !nla_len(info->attrs[NL80211_ATTR_SSID]))
+ return -EINVAL;
+
+ if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
+ connect.auth_type =
+ nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]);
+ if (!nl80211_valid_auth_type(connect.auth_type))
+ return -EINVAL;
+ } else
+ connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
+
+ connect.privacy = info->attrs[NL80211_ATTR_PRIVACY];
+
+ err = nl80211_crypto_settings(info, &connect.crypto);
+ if (err)
+ return err;
+ rtnl_lock();
+
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ wiphy = &drv->wiphy;
+
+ connect.bssid = NULL;
+ connect.channel = NULL;
+ connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
+ connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]);
+
+ if (info->attrs[NL80211_ATTR_IE]) {
+ connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]);
+ connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]);
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ connect.channel =
+ ieee80211_get_channel(wiphy,
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (!connect.channel ||
+ connect.channel->flags & IEEE80211_CHAN_DISABLED) {
+ err = -EINVAL;
+ goto out;
+ }
+ }
+
+ err = cfg80211_connect(drv, dev, &connect);
+
+out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
+static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ struct net_device *dev;
+ int err;
+ u16 reason;
+
+ if (!info->attrs[NL80211_ATTR_REASON_CODE])
+ reason = WLAN_REASON_DEAUTH_LEAVING;
+ else
+ reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]);
+
+ if (reason == 0)
+ return -EINVAL;
+
+ rtnl_lock();
+
+ err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev);
+ if (err)
+ goto unlock_rtnl;
+
+ if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (!netif_running(dev)) {
+ err = -ENETDOWN;
+ goto out;
+ }
+
+ err = cfg80211_disconnect(drv, dev, reason);
+
+out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+unlock_rtnl:
+ rtnl_unlock();
+ return err;
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
@@ -3759,6 +3978,18 @@ static struct genl_ops nl80211_ops[] = {
.flags = GENL_ADMIN_PERM,
},
#endif
+ {
+ .cmd = NL80211_CMD_CONNECT,
+ .doit = nl80211_connect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DISCONNECT,
+ .doit = nl80211_disconnect,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
.name = "mlme",
@@ -4077,6 +4308,129 @@ void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
addr, gfp);
}
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (bssid)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+ if (req_ie)
+ NLA_PUT(msg, NL80211_ATTR_REQ_IE, req_ie_len, req_ie);
+ if (resp_ie)
+ NLA_PUT(msg, NL80211_ATTR_RESP_IE, resp_ie_len, resp_ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u16 reason,
+ u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ if (from_ap && reason)
+ NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason);
+ if (from_ap)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_DISCONNECTED_BY_AP);
+ if (ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len, ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+
+}
+
void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
gfp_t gfp)
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index 662c216e8d4..cf3708b48c2 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -31,6 +31,19 @@ void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *addr, gfp_t gfp);
+void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp);
+void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
+void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev, u16 reason,
+ u8 *ie, size_t ie_len, bool from_ap, gfp_t gfp);
+
void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
new file mode 100644
index 00000000000..fc117031d0b
--- /dev/null
+++ b/net/wireless/sme.c
@@ -0,0 +1,224 @@
+/*
+ * SME code for cfg80211's connect emulation.
+ *
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+#include <linux/workqueue.h>
+#include <net/cfg80211.h>
+#include <net/rtnetlink.h>
+#include "nl80211.h"
+
+
+void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len,
+ u16 status, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_bss *bss;
+#ifdef CONFIG_WIRELESS_EXT
+ union iwreq_data wrqu;
+#endif
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ return;
+
+ if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING))
+ return;
+
+ if (wdev->current_bss) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(wdev->current_bss);
+ wdev->current_bss = NULL;
+ }
+
+ if (status == WLAN_STATUS_SUCCESS) {
+ bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+ wdev->ssid, wdev->ssid_len,
+ WLAN_CAPABILITY_ESS,
+ WLAN_CAPABILITY_ESS);
+
+ if (WARN_ON(!bss))
+ return;
+
+ cfg80211_hold_bss(bss);
+ wdev->current_bss = bss;
+
+ wdev->sme_state = CFG80211_SME_CONNECTED;
+ } else {
+ wdev->sme_state = CFG80211_SME_IDLE;
+ }
+
+ nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev, bssid,
+ req_ie, req_ie_len, resp_ie, resp_ie_len,
+ status, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+ if (req_ie && status == WLAN_STATUS_SUCCESS) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = req_ie_len;
+ wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+ }
+
+ if (resp_ie && status == WLAN_STATUS_SUCCESS) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = resp_ie_len;
+ wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
+ }
+
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ if (bssid)
+ memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+EXPORT_SYMBOL(cfg80211_connect_result);
+
+void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
+ const u8 *req_ie, size_t req_ie_len,
+ const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_bss *bss;
+#ifdef CONFIG_WIRELESS_EXT
+ union iwreq_data wrqu;
+#endif
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ return;
+
+ if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
+ return;
+
+ /* internal error -- how did we get to CONNECTED w/o BSS? */
+ if (WARN_ON(!wdev->current_bss)) {
+ return;
+ }
+
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(wdev->current_bss);
+ wdev->current_bss = NULL;
+
+ bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
+ wdev->ssid, wdev->ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+
+ if (WARN_ON(!bss))
+ return;
+
+ cfg80211_hold_bss(bss);
+ wdev->current_bss = bss;
+
+ nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev, bssid,
+ req_ie, req_ie_len, resp_ie, resp_ie_len, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+ if (req_ie) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = req_ie_len;
+ wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, req_ie);
+ }
+
+ if (resp_ie) {
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = resp_ie_len;
+ wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
+ }
+
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+EXPORT_SYMBOL(cfg80211_roamed);
+
+static void __cfg80211_disconnected(struct net_device *dev, gfp_t gfp,
+ u8 *ie, size_t ie_len, u16 reason,
+ bool from_ap)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+#ifdef CONFIG_WIRELESS_EXT
+ union iwreq_data wrqu;
+#endif
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
+ return;
+
+ if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
+ return;
+
+ if (wdev->current_bss) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(wdev->current_bss);
+ }
+
+ wdev->current_bss = NULL;
+ wdev->sme_state = CFG80211_SME_IDLE;
+
+ nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
+ reason, ie, ie_len, from_ap, gfp);
+
+#ifdef CONFIG_WIRELESS_EXT
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+ wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+#endif
+}
+
+void cfg80211_disconnected(struct net_device *dev, u16 reason,
+ u8 *ie, size_t ie_len, gfp_t gfp)
+{
+ __cfg80211_disconnected(dev, reason, ie, ie_len, true, gfp);
+}
+EXPORT_SYMBOL(cfg80211_disconnected);
+
+int cfg80211_connect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev,
+ struct cfg80211_connect_params *connect)
+{
+ int err;
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (wdev->sme_state != CFG80211_SME_IDLE)
+ return -EALREADY;
+
+ if (!rdev->ops->connect) {
+ return -EOPNOTSUPP;
+ } else {
+ wdev->sme_state = CFG80211_SME_CONNECTING;
+ err = rdev->ops->connect(&rdev->wiphy, dev, connect);
+ if (err) {
+ wdev->sme_state = CFG80211_SME_IDLE;
+ return err;
+ }
+ }
+
+ memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
+ wdev->ssid_len = connect->ssid_len;
+
+ return 0;
+}
+
+int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, u16 reason)
+{
+ int err;
+
+ if (!rdev->ops->disconnect) {
+ return -EOPNOTSUPP;
+ } else {
+ err = rdev->ops->disconnect(&rdev->wiphy, dev, reason);
+ if (err)
+ return err;
+ }
+
+ __cfg80211_disconnected(dev, 0, NULL, 0, false, GFP_KERNEL);
+
+ return 0;
+}