diff options
| author | Ying Luo <luoy@marvell.com> | 2012-08-04 01:06:14 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-08-06 19:12:59 (GMT) |
| commit | b877f4cf5af86528e07a0182e2b369ded38ccf38 (patch) | |
| tree | 73342f416e69887384bf992bd2962871c333331e /drivers | |
| parent | 53b112315c015c50e4c092474adb6729269b0fc4 (diff) | |
| download | linux-b877f4cf5af86528e07a0182e2b369ded38ccf38.tar.xz | |
mwifiex: add AES_CMAC support in key_material cmd
The sequence counter will be sent to firmware via key_material
command.
Signed-off-by: Ying Luo <luoy@marvell.com>
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/mwifiex/fw.h | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_cmd.c | 53 |
2 files changed, 52 insertions, 10 deletions
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 1c1274d..ae06f31 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -65,10 +65,12 @@ enum KEY_TYPE_ID { KEY_TYPE_ID_TKIP, KEY_TYPE_ID_AES, KEY_TYPE_ID_WAPI, + KEY_TYPE_ID_AES_CMAC, }; #define KEY_MCAST BIT(0) #define KEY_UNICAST BIT(1) #define KEY_ENABLED BIT(2) +#define KEY_IGTK BIT(10) #define WAPI_KEY_LEN 50 @@ -583,6 +585,13 @@ struct mwifiex_ie_type_key_param_set { u8 key[50]; } __packed; +#define IGTK_PN_LEN 8 + +struct mwifiex_cmac_param { + u8 ipn[IGTK_PN_LEN]; + u8 key[WLAN_KEY_LEN_AES_CMAC]; +} __packed; + struct host_cmd_ds_802_11_key_material { __le16 action; struct mwifiex_ie_type_key_param_set key_param_set; diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c index a4a4a19..9af9692 100644 --- a/drivers/net/wireless/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/mwifiex/sta_cmd.c @@ -621,23 +621,38 @@ mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv, return ret; } if (enc_key->key_len == WLAN_KEY_LEN_CCMP) { - dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n"); - key_material->key_param_set.key_type_id = + if (enc_key->is_igtk_key) { + dev_dbg(priv->adapter->dev, "cmd: CMAC_AES\n"); + key_material->key_param_set.key_type_id = + cpu_to_le16(KEY_TYPE_ID_AES_CMAC); + if (cmd_oid == KEY_INFO_ENABLED) + key_material->key_param_set.key_info = + cpu_to_le16(KEY_ENABLED); + else + key_material->key_param_set.key_info = + cpu_to_le16(!KEY_ENABLED); + + key_material->key_param_set.key_info |= + cpu_to_le16(KEY_IGTK); + } else { + dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n"); + key_material->key_param_set.key_type_id = cpu_to_le16(KEY_TYPE_ID_AES); - if (cmd_oid == KEY_INFO_ENABLED) - key_material->key_param_set.key_info = + if (cmd_oid == KEY_INFO_ENABLED) + key_material->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); - else - key_material->key_param_set.key_info = + else + key_material->key_param_set.key_info = cpu_to_le16(!KEY_ENABLED); - if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST) + if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST) /* AES pairwise key: unicast */ - key_material->key_param_set.key_info |= + key_material->key_param_set.key_info |= cpu_to_le16(KEY_UNICAST); - else /* AES group key: multicast */ - key_material->key_param_set.key_info |= + else /* AES group key: multicast */ + key_material->key_param_set.key_info |= cpu_to_le16(KEY_MCAST); + } } else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) { dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n"); key_material->key_param_set.key_type_id = @@ -668,6 +683,24 @@ mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv, key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN) + sizeof(struct mwifiex_ie_types_header); + if (le16_to_cpu(key_material->key_param_set.key_type_id) == + KEY_TYPE_ID_AES_CMAC) { + struct mwifiex_cmac_param *param = + (void *)key_material->key_param_set.key; + + memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN); + memcpy(param->key, enc_key->key_material, + enc_key->key_len); + + key_param_len = sizeof(struct mwifiex_cmac_param); + key_material->key_param_set.key_len = + cpu_to_le16(key_param_len); + key_param_len += KEYPARAMSET_FIXED_LEN; + key_material->key_param_set.length = + cpu_to_le16(key_param_len); + key_param_len += sizeof(struct mwifiex_ie_types_header); + } + cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN + key_param_len); |