diff options
| author | Scott Ashcroft <scott.ashcroft@talk21.com> | 2008-05-27 00:06:15 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-05-28 16:43:46 -0400 |
| commit | 4364623cb79d02945ace7a4faa1f11e617dde198 (patch) | |
| tree | 37b628ae9996de08caa81a0dfca00431f7237272 /drivers/net | |
| parent | d4231ca3e162387a2b6964dacaa83604e065c4e9 (diff) | |
rndis_wlan: Make connections to TKIP PSK networks work
This patch allows the rndis_wlan driver to connect to TKIP PSK
networks. It uses the ASSOCIATION_INFORMATION RNDIS call to pull back
the IEs and sends them back to userspace using wireless events. Tested
on a few wireless networks I have access to. Based on the similar
code in ndiswrapper.
Signed-off-by: Scott Ashcroft <scott.ashcroft@talk21.com>
[edit: cleanups]
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/rndis_wlan.c | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d0b1fb15c70..ac56f8d9a5e 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -116,6 +116,7 @@ MODULE_PARM_DESC(workaround_interval, #define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b) #define OID_802_11_ADD_KEY ccpu2(0x0d01011d) #define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e) +#define OID_802_11_ASSOCIATION_INFORMATION ccpu2(0x0d01011f) #define OID_802_11_PMKID ccpu2(0x0d010123) #define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203) #define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204) @@ -271,6 +272,26 @@ struct ndis_config_param { __le32 value_length; } __attribute__((packed)); +struct ndis_80211_assoc_info { + __le32 length; + __le16 req_ies; + struct req_ie { + __le16 capa; + __le16 listen_interval; + u8 cur_ap_address[6]; + } req_ie; + __le32 req_ie_length; + __le32 offset_req_ies; + __le16 resp_ies; + struct resp_ie { + __le16 capa; + __le16 status_code; + __le16 assoc_id; + } resp_ie; + __le32 resp_ie_length; + __le32 offset_resp_ies; +} __attribute__((packed)); + /* these have to match what is in wpa_supplicant */ enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, @@ -674,6 +695,12 @@ static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) return ret; } +static int get_association_info(struct usbnet *usbdev, + struct ndis_80211_assoc_info *info, int len) +{ + return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, + info, &len); +} static int is_associated(struct usbnet *usbdev) { @@ -2182,11 +2209,40 @@ static void rndis_wext_worker(struct work_struct *work) struct usbnet *usbdev = priv->usbdev; union iwreq_data evt; unsigned char bssid[ETH_ALEN]; - int ret; + struct ndis_80211_assoc_info *info; + int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; + int ret, offset; if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) { - ret = get_bssid(usbdev, bssid); + info = kzalloc(assoc_size, GFP_KERNEL); + if (!info) + goto get_bssid; + /* Get association info IEs from device and send them back to + * userspace. */ + ret = get_association_info(usbdev, info, assoc_size); + if (!ret) { + evt.data.length = le32_to_cpu(info->req_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_req_ies); + wireless_send_event(usbdev->net, + IWEVASSOCREQIE, &evt, + (char *)info + offset); + } + + evt.data.length = le32_to_cpu(info->resp_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_resp_ies); + wireless_send_event(usbdev->net, + IWEVASSOCRESPIE, &evt, + (char *)info + offset); + } + } + + kfree(info); + +get_bssid: + ret = get_bssid(usbdev, bssid); if (!ret) { evt.data.flags = 0; evt.data.length = 0; |