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mwifiex: remove redundant encryption_mode mapping
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remove MWIFIEX_ENCRYPTION_MODE_ and use WLAN_CIPHER_SUITE_
macros directly

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Yogesh Ashok Powar authored and John W. Linville committed Apr 7, 2011
1 parent 2d3d0a8 commit 2be50b8
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Showing 6 changed files with 19 additions and 83 deletions.
76 changes: 10 additions & 66 deletions drivers/net/wireless/mwifiex/cfg80211.c
Original file line number Diff line number Diff line change
Expand Up @@ -90,8 +90,8 @@ mwifiex_is_alg_wep(u32 cipher)
int alg = 0;

switch (cipher) {
case MWIFIEX_ENCRYPTION_MODE_WEP40:
case MWIFIEX_ENCRYPTION_MODE_WEP104:
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
alg = 1;
break;
default:
Expand All @@ -101,55 +101,6 @@ mwifiex_is_alg_wep(u32 cipher)
return alg;
}

/*
* This function maps the given cipher type into driver specific type.
*
* It also sets a flag to indicate whether WPA is enabled or not.
*
* The mapping table is -
* Input cipher Driver cipher type WPA enabled?
* ------------ ------------------ ------------
* IW_AUTH_CIPHER_NONE MWIFIEX_ENCRYPTION_MODE_NONE No
* WLAN_CIPHER_SUITE_WEP40 MWIFIEX_ENCRYPTION_MODE_WEP40 No
* WLAN_CIPHER_SUITE_WEP104 MWIFIEX_ENCRYPTION_MODE_WEP104 No
* WLAN_CIPHER_SUITE_TKIP MWIFIEX_ENCRYPTION_MODE_TKIP Yes
* WLAN_CIPHER_SUITE_CCMP MWIFIEX_ENCRYPTION_MODE_CCMP Yes
* Others -1 No
*/
static int
mwifiex_get_mwifiex_cipher(u32 cipher, int *wpa_enabled)
{
int encrypt_mode;

if (wpa_enabled)
*wpa_enabled = 0;
switch (cipher) {
case IW_AUTH_CIPHER_NONE:
encrypt_mode = MWIFIEX_ENCRYPTION_MODE_NONE;
break;
case WLAN_CIPHER_SUITE_WEP40:
encrypt_mode = MWIFIEX_ENCRYPTION_MODE_WEP40;
break;
case WLAN_CIPHER_SUITE_WEP104:
encrypt_mode = MWIFIEX_ENCRYPTION_MODE_WEP104;
break;
case WLAN_CIPHER_SUITE_TKIP:
encrypt_mode = MWIFIEX_ENCRYPTION_MODE_TKIP;
if (wpa_enabled)
*wpa_enabled = 1;
break;
case WLAN_CIPHER_SUITE_CCMP:
encrypt_mode = MWIFIEX_ENCRYPTION_MODE_CCMP;
if (wpa_enabled)
*wpa_enabled = 1;
break;
default:
encrypt_mode = -1;
}

return encrypt_mode;
}

/*
* This function retrieves the private structure from kernel wiphy structure.
*/
Expand Down Expand Up @@ -252,13 +203,9 @@ mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
{
struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
int ret = 0;
int encrypt_mode;

encrypt_mode = mwifiex_get_mwifiex_cipher(params->cipher, NULL);

if (encrypt_mode != -1)
ret = mwifiex_set_encode(priv, params->key, params->key_len,
key_index, 0);
ret = mwifiex_set_encode(priv, params->key, params->key_len,
key_index, 0);

wiphy_dbg(wiphy, "info: crypto keys added\n");

Expand Down Expand Up @@ -1019,7 +966,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
struct mwifiex_802_11_ssid req_ssid;
struct mwifiex_ssid_bssid ssid_bssid;
int ret = 0;
int auth_type = 0, pairwise_encrypt_mode = 0, wpa_enabled = 0;
int auth_type = 0, pairwise_encrypt_mode = 0;
int group_encrypt_mode = 0;
int alg_is_wep = 0;

Expand Down Expand Up @@ -1052,13 +999,13 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
/* "privacy" is set only for ad-hoc mode */
if (privacy) {
/*
* Keep MWIFIEX_ENCRYPTION_MODE_WEP104 for now so that
* Keep WLAN_CIPHER_SUITE_WEP104 for now so that
* the firmware can find a matching network from the
* scan. The cfg80211 does not give us the encryption
* mode at this stage so just setting it to WEP here.
*/
priv->sec_info.encryption_mode =
MWIFIEX_ENCRYPTION_MODE_WEP104;
WLAN_CIPHER_SUITE_WEP104;
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_OPEN_SYSTEM;
}
Expand All @@ -1074,16 +1021,13 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
auth_type = NL80211_AUTHTYPE_SHARED_KEY;

if (sme->crypto.n_ciphers_pairwise) {
pairwise_encrypt_mode = mwifiex_get_mwifiex_cipher(sme->crypto.
ciphers_pairwise[0], &wpa_enabled);
priv->sec_info.encryption_mode = pairwise_encrypt_mode;
priv->sec_info.encryption_mode =
sme->crypto.ciphers_pairwise[0];
priv->sec_info.authentication_mode = auth_type;
}

if (sme->crypto.cipher_group) {
group_encrypt_mode = mwifiex_get_mwifiex_cipher(sme->crypto.
cipher_group, &wpa_enabled);
priv->sec_info.encryption_mode = group_encrypt_mode;
priv->sec_info.encryption_mode = sme->crypto.cipher_group;
priv->sec_info.authentication_mode = auth_type;
}
if (sme->ie)
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/wireless/mwifiex/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ static int mwifiex_init_priv(struct mwifiex_private *priv)

priv->sec_info.wep_status = MWIFIEX_802_11_WEP_DISABLED;
priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
priv->sec_info.encryption_mode = MWIFIEX_ENCRYPTION_MODE_NONE;
priv->sec_info.encryption_mode = 0;
for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++)
memset(&priv->wep_key[i], 0, sizeof(struct mwifiex_wep_key));
priv->wep_key_curr_index = 0;
Expand Down
8 changes: 0 additions & 8 deletions drivers/net/wireless/mwifiex/ioctl.h
Original file line number Diff line number Diff line change
Expand Up @@ -267,14 +267,6 @@ struct mwifiex_debug_info {
u8 event_received;
};

enum {
MWIFIEX_ENCRYPTION_MODE_NONE = 0,
MWIFIEX_ENCRYPTION_MODE_WEP40 = 1,
MWIFIEX_ENCRYPTION_MODE_TKIP = 2,
MWIFIEX_ENCRYPTION_MODE_CCMP = 3,
MWIFIEX_ENCRYPTION_MODE_WEP104 = 4,
};

#define MWIFIEX_KEY_INDEX_UNICAST 0x40000000
#define MWIFIEX_MAX_KEY_LENGTH 32
#define WAPI_RXPN_LEN 16
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/wireless/mwifiex/join.c
Original file line number Diff line number Diff line change
Expand Up @@ -869,7 +869,7 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
tmp_cap |= WLAN_CAPABILITY_IBSS;

/* Set up privacy in bss_desc */
if (priv->sec_info.encryption_mode != MWIFIEX_ENCRYPTION_MODE_NONE) {
if (priv->sec_info.encryption_mode) {
/* Ad-Hoc capability privacy on */
dev_dbg(adapter->dev,
"info: ADHOC_S_CMD: wep_status set privacy to WEP\n");
Expand Down
12 changes: 6 additions & 6 deletions drivers/net/wireless/mwifiex/scan.c
Original file line number Diff line number Diff line change
Expand Up @@ -273,8 +273,8 @@ mwifiex_is_network_compatible_for_no_sec(struct mwifiex_private *priv,
&& ((!bss_desc->bcn_rsn_ie) ||
((*(bss_desc->bcn_rsn_ie)).ieee_hdr.element_id !=
WLAN_EID_RSN))
&& priv->sec_info.encryption_mode ==
MWIFIEX_ENCRYPTION_MODE_NONE && !bss_desc->privacy) {
&& !priv->sec_info.encryption_mode
&& !bss_desc->privacy) {
return true;
}
return false;
Expand Down Expand Up @@ -386,8 +386,8 @@ mwifiex_is_network_compatible_for_adhoc_aes(struct mwifiex_private *priv,
element_id != WLAN_EID_WPA))
&& ((!bss_desc->bcn_rsn_ie) || ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.
element_id != WLAN_EID_RSN))
&& priv->sec_info.encryption_mode ==
MWIFIEX_ENCRYPTION_MODE_NONE && bss_desc->privacy) {
&& !priv->sec_info.encryption_mode
&& bss_desc->privacy) {
return true;
}
return false;
Expand All @@ -408,8 +408,8 @@ mwifiex_is_network_compatible_for_dynamic_wep(struct mwifiex_private *priv,
element_id != WLAN_EID_WPA))
&& ((!bss_desc->bcn_rsn_ie) || ((*(bss_desc->bcn_rsn_ie)).ieee_hdr.
element_id != WLAN_EID_RSN))
&& priv->sec_info.encryption_mode !=
MWIFIEX_ENCRYPTION_MODE_NONE && bss_desc->privacy) {
&& priv->sec_info.encryption_mode
&& bss_desc->privacy) {
dev_dbg(priv->adapter->dev, "info: %s: dynamic "
"WEP: index=%d wpa_ie=%#x wpa2_ie=%#x "
"EncMode=%#x privacy=%#x\n",
Expand Down
2 changes: 1 addition & 1 deletion drivers/net/wireless/mwifiex/sta_event.c
Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv)
priv->wapi_ie_len = 0;
priv->sec_info.wapi_key_on = false;

priv->sec_info.encryption_mode = MWIFIEX_ENCRYPTION_MODE_NONE;
priv->sec_info.encryption_mode = 0;

/* Enable auto data rate */
priv->is_data_rate_auto = true;
Expand Down

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