From: Avinash Patil <patila@xxxxxxxxxxx>
This patch adds support for WEP open/shared encryption in AP mode.
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
v3: newly addded to v3 series
drivers/net/wireless/mwifiex/cfg80211.c | 30 ++++++++++++++-
drivers/net/wireless/mwifiex/fw.h | 8 ++++
drivers/net/wireless/mwifiex/ioctl.h | 9 ++++
drivers/net/wireless/mwifiex/uap_cmd.c | 62 +++++++++++++++++++++++++++++++
4 files changed, 108 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 5af3f97..9c2e08e 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -170,7 +170,9 @@ mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
if (!priv->sec_info.wep_enabled)
return 0;
- if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) {
+ if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
+ priv->wep_key_curr_index = key_index;
+ } else if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) {
wiphy_err(wiphy, "set default Tx key index\n");
return -EFAULT;
}
@@ -187,9 +189,25 @@ mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
struct key_params *params)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
+ struct mwifiex_wep_key *wep_key;
const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
+ if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
+ (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
+ params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
+ if (params->key && params->key_len) {
+ wep_key = &priv->wep_key[key_index];
+ memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
+ memcpy(wep_key->key_material, params->key,
+ params->key_len);
+ wep_key->key_index = key_index;
+ wep_key->key_length = params->key_len;
+ priv->sec_info.wep_enabled = 1;
+ }
+ return 0;
+ }
+
if (mwifiex_set_encode(priv, params->key, params->key_len,
key_index, peer_mac, 0)) {
wiphy_err(wiphy, "crypto keys added\n");
@@ -1003,6 +1021,16 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
return -1;
}
+ if (priv->sec_info.wep_enabled)
+ priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
+ else
+ priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
+
+ if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
+ HostCmd_ACT_GEN_SET, 0,
+ &priv->curr_pkt_filter))
+ return -1;
+
return 0;
}
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 9686f6f..1184141 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -124,6 +124,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45)
#define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48)
#define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51)
+#define TLV_TYPE_UAP_WEP_KEY (PROPRIETARY_TLV_BASE_ID + 59)
#define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60)
#define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64)
#define TLV_TYPE_UAP_AKMP (PROPRIETARY_TLV_BASE_ID + 65)
@@ -1201,6 +1202,13 @@ struct host_cmd_tlv_passphrase {
u8 passphrase[0];
} __packed;
+struct host_cmd_tlv_wep_key {
+ struct host_cmd_tlv tlv;
+ u8 key_index;
+ u8 is_default;
+ u8 key[1];
+};
+
struct host_cmd_tlv_auth_type {
struct host_cmd_tlv tlv;
u8 auth_type;
diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index 8c8e47c..9f088fb 100644
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -21,6 +21,7 @@
#define _MWIFIEX_IOCTL_H_
#include <net/mac80211.h>
+#include <net/lib80211.h>
enum {
MWIFIEX_SCAN_TYPE_UNCHANGED = 0,
@@ -71,6 +72,13 @@ struct wpa_param {
u8 passphrase[MWIFIEX_WPA_PASSHPHRASE_LEN];
};
+struct wep_key {
+ u8 key_index;
+ u8 is_default;
+ u16 length;
+ u8 key[WLAN_KEY_LEN_WEP104];
+};
+
#define KEY_MGMT_ON_HOST 0x03
#define MWIFIEX_AUTH_MODE_AUTO 0xFF
#define BAND_CONFIG_MANUAL 0x00
@@ -90,6 +98,7 @@ struct mwifiex_uap_bss_param {
u16 key_mgmt;
u16 key_mgmt_operation;
struct wpa_param wpa_cfg;
+ struct wep_key wep_cfg[NUM_WEP_KEYS];
struct ieee80211_ht_cap ht_cap;
};
diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index 4b39551..f40e93f 100644
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -26,6 +26,7 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_config,
struct cfg80211_ap_settings *params) {
int i;
+ struct mwifiex_wep_key wep_key;
if (!params->privacy) {
bss_config->protocol = PROTOCOL_NO_SECURITY;
@@ -113,6 +114,27 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv,
switch (params->crypto.cipher_group) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
+ if (priv->sec_info.wep_enabled) {
+ bss_config->protocol = PROTOCOL_STATIC_WEP;
+ bss_config->key_mgmt = KEY_MGMT_NONE;
+ bss_config->wpa_cfg.length = 0;
+
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ wep_key = priv->wep_key[i];
+ bss_config->wep_cfg[i].key_index = i;
+
+ if (priv->wep_key_curr_index == i)
+ bss_config->wep_cfg[i].is_default = 1;
+ else
+ bss_config->wep_cfg[i].is_default = 0;
+
+ bss_config->wep_cfg[i].length =
+ wep_key.key_length;
+ memcpy(&bss_config->wep_cfg[i].key,
+ &wep_key.key_material,
+ wep_key.key_length);
+ }
+ }
break;
case WLAN_CIPHER_SUITE_TKIP:
bss_config->wpa_cfg.group_cipher = CIPHER_TKIP;
@@ -247,6 +269,44 @@ mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
}
/* This function parses BSS related parameters from structure
+ * and prepares TLVs specific to WEP encryption.
+ * These TLVs are appended to command buffer.
+ */
+static void
+mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
+{
+ struct host_cmd_tlv_wep_key *wep_key;
+ u16 cmd_size = *param_size;
+ int i;
+ u8 *tlv = *tlv_buf;
+ struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
+
+ for (i = 0; i < NUM_WEP_KEYS; i++) {
+ if (bss_cfg->wep_cfg[i].length &&
+ (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 ||
+ bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) {
+ wep_key = (struct host_cmd_tlv_wep_key *)tlv;
+ wep_key->tlv.type = cpu_to_le16(TLV_TYPE_UAP_WEP_KEY);
+ wep_key->tlv.len =
+ cpu_to_le16(bss_cfg->wep_cfg[i].length + 2);
+ wep_key->key_index = bss_cfg->wep_cfg[i].key_index;
+ wep_key->is_default = bss_cfg->wep_cfg[i].is_default;
+ memcpy(wep_key->key, bss_cfg->wep_cfg[i].key,
+ bss_cfg->wep_cfg[i].length);
+ cmd_size += sizeof(struct host_cmd_tlv) + 2 +
+ bss_cfg->wep_cfg[i].length;
+ tlv += sizeof(struct host_cmd_tlv) + 2 +
+ bss_cfg->wep_cfg[i].length;
+ }
+ }
+
+ *param_size = cmd_size;
+ *tlv_buf = tlv;
+
+ return;
+}
+
+/* This function parses BSS related parameters from structure
* and prepares TLVs. These TLVs are appended to command buffer.
*/
static int
@@ -354,6 +414,8 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
(bss_cfg->protocol & PROTOCOL_WPA2) ||
(bss_cfg->protocol & PROTOCOL_EAP))
mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size);
+ else
+ mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size);
if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) ||
(bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) {
--
1.7.0.2
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