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mwifiex: scan: factor out has_ieee_hdr/has_vendor_hdr

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Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Andreas Fenkart 2016-03-10 09:44:06 +01:00 committed by Kalle Valo
parent 0a233c98a8
commit 38329568c3
1 changed files with 23 additions and 29 deletions
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52
drivers/net/wireless/marvell/mwifiex/scan.c
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@ -76,6 +76,18 @@ static u8 mwifiex_rsn_oui[CIPHER_SUITE_MAX][4] = {
{ 0x00, 0x0f, 0xac, 0x04 }, /* AES */
};
static bool
has_ieee_hdr(struct ieee_types_generic *ie, u8 key)
{
return (ie && ie->ieee_hdr.element_id == key);
}
static bool
has_vendor_hdr(struct ieee_types_vendor_specific *ie, u8 key)
{
return (ie && ie->vend_hdr.element_id == key);
}
/*
* This function parses a given IE for a given OUI.
*
@ -121,8 +133,7 @@ mwifiex_is_rsn_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher)
struct ie_body *iebody;
u8 ret = MWIFIEX_OUI_NOT_PRESENT;
if (bss_desc->bcn_rsn_ie &&
bss_desc->bcn_rsn_ie->ieee_hdr.element_id == WLAN_EID_RSN) {
if (has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN)) {
iebody = (struct ie_body *)
(((u8 *) bss_desc->bcn_rsn_ie->data) +
RSN_GTK_OUI_OFFSET);
@ -148,9 +159,7 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher)
struct ie_body *iebody;
u8 ret = MWIFIEX_OUI_NOT_PRESENT;
if (bss_desc->bcn_wpa_ie &&
bss_desc->bcn_wpa_ie->vend_hdr.element_id ==
WLAN_EID_VENDOR_SPECIFIC) {
if (has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)) {
iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data;
oui = &mwifiex_wpa_oui[cipher][0];
ret = mwifiex_search_oui_in_ie(iebody, oui);
@ -180,11 +189,8 @@ mwifiex_is_bss_wapi(struct mwifiex_private *priv,
struct mwifiex_bssdescriptor *bss_desc)
{
if (priv->sec_info.wapi_enabled &&
(bss_desc->bcn_wapi_ie &&
bss_desc->bcn_wapi_ie->ieee_hdr.element_id ==
WLAN_EID_BSS_AC_ACCESS_DELAY)) {
has_ieee_hdr(bss_desc->bcn_wapi_ie, WLAN_EID_BSS_AC_ACCESS_DELAY))
return true;
}
return false;
}
@ -198,11 +204,8 @@ mwifiex_is_bss_no_sec(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
(!bss_desc->bcn_wpa_ie ||
bss_desc->bcn_wpa_ie->vend_hdr.element_id !=
WLAN_EID_VENDOR_SPECIFIC) &&
(!bss_desc->bcn_rsn_ie ||
bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) &&
!has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC) &&
!has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN) &&
!priv->sec_info.encryption_mode && !bss_desc->privacy) {
return true;
}
@ -234,9 +237,7 @@ mwifiex_is_bss_wpa(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
(bss_desc->bcn_wpa_ie &&
bss_desc->bcn_wpa_ie->vend_hdr.element_id ==
WLAN_EID_VENDOR_SPECIFIC)
has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)
/*
* Privacy bit may NOT be set in some APs like
* LinkSys WRT54G && bss_desc->privacy
@ -270,8 +271,7 @@ mwifiex_is_bss_wpa2(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
priv->sec_info.wpa2_enabled &&
(bss_desc->bcn_rsn_ie &&
bss_desc->bcn_rsn_ie->ieee_hdr.element_id == WLAN_EID_RSN)) {
has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN)) {
/*
* Privacy bit may NOT be set in some APs like
* LinkSys WRT54G && bss_desc->privacy
@ -304,11 +304,8 @@ mwifiex_is_bss_adhoc_aes(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
(!bss_desc->bcn_wpa_ie ||
bss_desc->bcn_wpa_ie->vend_hdr.element_id !=
WLAN_EID_VENDOR_SPECIFIC) &&
(!bss_desc->bcn_rsn_ie ||
bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) &&
!has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC) &&
!has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN) &&
!priv->sec_info.encryption_mode && bss_desc->privacy) {
return true;
}
@ -325,11 +322,8 @@ mwifiex_is_bss_dynamic_wep(struct mwifiex_private *priv,
{
if (!priv->sec_info.wep_enabled && !priv->sec_info.wpa_enabled &&
!priv->sec_info.wpa2_enabled &&
(!bss_desc->bcn_wpa_ie ||
bss_desc->bcn_wpa_ie->vend_hdr.element_id !=
WLAN_EID_VENDOR_SPECIFIC) &&
(!bss_desc->bcn_rsn_ie ||
bss_desc->bcn_rsn_ie->ieee_hdr.element_id != WLAN_EID_RSN) &&
!has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC) &&
!has_ieee_hdr(bss_desc->bcn_rsn_ie, WLAN_EID_RSN) &&
priv->sec_info.encryption_mode && bss_desc->privacy) {
mwifiex_dbg(priv->adapter, INFO,
"info: %s: dynamic\t"