libertas: clean up scan.c, remove zeromac and bcastmac
Should be purely cosmetic apart from the removal of the two pointless MAC addresses. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Woodhouse
John W. Linville
parent
fa62f99cf8
commit
f137e05468
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@ -61,9 +61,6 @@
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//! Scan time specified in the channel TLV for each channel for active scans
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#define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100
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static const u8 zeromac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
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static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
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struct cmd_header *resp);
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@ -90,7 +87,7 @@ static void lbs_unset_basic_rate_flags(u8 *rates, size_t len)
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}
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static inline void clear_bss_descriptor (struct bss_descriptor * bss)
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static inline void clear_bss_descriptor(struct bss_descriptor *bss)
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{
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/* Don't blow away ->list, just BSS data */
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memset(bss, 0, offsetof(struct bss_descriptor, list));
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@ -104,7 +101,8 @@ static inline void clear_bss_descriptor (struct bss_descriptor * bss)
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*
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* @return 0: ssid is same, otherwise is different
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*/
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int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
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int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2,
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uint8_t ssid2_len)
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{
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if (ssid1_len != ssid2_len)
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return -1;
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@ -113,73 +111,66 @@ int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
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}
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static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
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struct bss_descriptor * match_bss)
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struct bss_descriptor *match_bss)
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{
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if ( !secinfo->wep_enabled
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&& !secinfo->WPAenabled
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if (!secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
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&& match_bss->rsn_ie[0] != MFIE_TYPE_RSN
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&& !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
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&& !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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}
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return 0;
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else
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return 0;
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}
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static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
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struct bss_descriptor * match_bss)
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struct bss_descriptor *match_bss)
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{
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if ( secinfo->wep_enabled
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&& !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
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if (secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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}
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return 0;
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else
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return 0;
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}
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static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
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struct bss_descriptor * match_bss)
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struct bss_descriptor *match_bss)
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{
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if ( !secinfo->wep_enabled
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&& secinfo->WPAenabled
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&& (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
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*/
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) {
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if (!secinfo->wep_enabled && secinfo->WPAenabled
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&& (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
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)
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return 1;
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}
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return 0;
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else
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return 0;
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}
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static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
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struct bss_descriptor * match_bss)
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struct bss_descriptor *match_bss)
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{
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if ( !secinfo->wep_enabled
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&& secinfo->WPA2enabled
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&& (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
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*/
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) {
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if (!secinfo->wep_enabled && secinfo->WPA2enabled
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&& (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
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/* privacy bit may NOT be set in some APs like LinkSys WRT54G
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
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)
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return 1;
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}
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return 0;
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else
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return 0;
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}
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static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
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struct bss_descriptor * match_bss)
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struct bss_descriptor *match_bss)
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{
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if ( !secinfo->wep_enabled
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&& !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
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&& (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
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if (!secinfo->wep_enabled && !secinfo->WPAenabled
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&& !secinfo->WPA2enabled
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&& (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
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&& (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
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&& (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
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return 1;
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}
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return 0;
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else
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return 0;
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}
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static inline int is_same_network(struct bss_descriptor *src,
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@ -214,7 +205,7 @@ static inline int is_same_network(struct bss_descriptor *src,
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* @return Index in scantable, or error code if negative
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*/
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static int is_network_compatible(struct lbs_private *priv,
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struct bss_descriptor * bss, u8 mode)
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struct bss_descriptor *bss, uint8_t mode)
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{
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int matched = 0;
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@ -228,43 +219,39 @@ static int is_network_compatible(struct lbs_private *priv,
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} else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) {
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goto done;
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} else if ((matched = match_bss_wpa(&priv->secinfo, bss))) {
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lbs_deb_scan(
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"is_network_compatible() WPA: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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} else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) {
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lbs_deb_scan(
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"is_network_compatible() WPA2: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
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"privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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} else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) {
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lbs_deb_scan(
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"is_network_compatible() dynamic WEP: "
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"wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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lbs_deb_scan("is_network_compatible() dynamic WEP: "
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"wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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goto done;
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}
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/* bss security settings don't match those configured on card */
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lbs_deb_scan(
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"is_network_compatible() FAILED: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
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"wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
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bss->wpa_ie[0], bss->rsn_ie[0],
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priv->secinfo.wep_enabled ? "e" : "d",
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priv->secinfo.WPAenabled ? "e" : "d",
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priv->secinfo.WPA2enabled ? "e" : "d",
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(bss->capability & WLAN_CAPABILITY_PRIVACY));
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done:
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lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
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@ -311,16 +298,15 @@ void lbs_scan_worker(struct work_struct *work)
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* @return void
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*/
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static int lbs_scan_create_channel_list(struct lbs_private *priv,
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struct chanscanparamset * scanchanlist,
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u8 filteredscan)
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struct chanscanparamset *scanchanlist,
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uint8_t filteredscan)
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{
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struct region_channel *scanregion;
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struct chan_freq_power *cfp;
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int rgnidx;
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int chanidx;
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int nextchan;
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u8 scantype;
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uint8_t scantype;
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chanidx = 0;
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@ -331,9 +317,8 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
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scantype = CMD_SCAN_TYPE_ACTIVE;
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for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
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if (priv->enable11d &&
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(priv->connect_status != LBS_CONNECTED) &&
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(priv->mesh_connect_status != LBS_CONNECTED)) {
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if (priv->enable11d && (priv->connect_status != LBS_CONNECTED)
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&& (priv->mesh_connect_status != LBS_CONNECTED)) {
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/* Scan all the supported chan for the first scan */
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if (!priv->universal_channel[rgnidx].valid)
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continue;
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@ -348,45 +333,30 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
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scanregion = &priv->region_channel[rgnidx];
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}
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for (nextchan = 0;
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nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
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for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
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struct chanscanparamset *chan = &scanchanlist[chanidx];
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cfp = scanregion->CFP + nextchan;
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if (priv->enable11d) {
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scantype =
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lbs_get_scan_type_11d(cfp->channel,
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&priv->
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parsed_region_chan);
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}
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if (priv->enable11d)
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scantype = lbs_get_scan_type_11d(cfp->channel,
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&priv->parsed_region_chan);
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switch (scanregion->band) {
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case BAND_B:
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case BAND_G:
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default:
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scanchanlist[chanidx].radiotype =
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CMD_SCAN_RADIO_TYPE_BG;
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break;
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}
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if (scanregion->band == BAND_B || scanregion->band == BAND_G)
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chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
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if (scantype == CMD_SCAN_TYPE_PASSIVE) {
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scanchanlist[chanidx].maxscantime =
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cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
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scanchanlist[chanidx].chanscanmode.passivescan =
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1;
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chan->maxscantime = cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
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chan->chanscanmode.passivescan = 1;
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} else {
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scanchanlist[chanidx].maxscantime =
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cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
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scanchanlist[chanidx].chanscanmode.passivescan =
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0;
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chan->maxscantime = cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
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chan->chanscanmode.passivescan = 0;
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}
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scanchanlist[chanidx].channumber = cfp->channel;
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chan->channumber = cfp->channel;
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if (filteredscan) {
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scanchanlist[chanidx].chanscanmode.
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disablechanfilt = 1;
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}
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if (filteredscan)
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chan->chanscanmode.disablechanfilt = 1;
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}
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}
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return chanidx;
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@ -400,11 +370,11 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
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* length 06 00
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* ssid 4d 4e 54 45 53 54
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*/
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static int lbs_scan_add_ssid_tlv(u8 *tlv,
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const struct lbs_ioctl_user_scan_cfg *user_cfg)
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static int lbs_scan_add_ssid_tlv(uint8_t *tlv,
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const struct lbs_ioctl_user_scan_cfg *user_cfg)
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{
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struct mrvlietypes_ssidparamset *ssid_tlv =
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(struct mrvlietypes_ssidparamset *)tlv;
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struct mrvlietypes_ssidparamset *ssid_tlv = (void *)tlv;
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ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
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ssid_tlv->header.len = cpu_to_le16(user_cfg->ssid_len);
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memcpy(ssid_tlv->ssid, user_cfg->ssid, user_cfg->ssid_len);
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@ -437,13 +407,12 @@ static int lbs_scan_add_ssid_tlv(u8 *tlv,
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* channel 13 00 0d 00 00 00 64 00
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*
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*/
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static int lbs_scan_add_chanlist_tlv(u8 *tlv,
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struct chanscanparamset *chan_list,
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int chan_count)
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static int lbs_scan_add_chanlist_tlv(uint8_t *tlv,
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struct chanscanparamset *chan_list,
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int chan_count)
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{
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size_t size = sizeof(struct chanscanparamset) * chan_count;
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struct mrvlietypes_chanlistparamset *chan_tlv =
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(struct mrvlietypes_chanlistparamset *) tlv;
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size_t size = sizeof(struct chanscanparamset) *chan_count;
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struct mrvlietypes_chanlistparamset *chan_tlv = (void *)tlv;
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chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
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memcpy(chan_tlv->chanscanparam, chan_list, size);
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|
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@ -462,11 +431,10 @@ static int lbs_scan_add_chanlist_tlv(u8 *tlv,
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* The rates are in lbs_bg_rates[], but for the 802.11b
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* rates the high bit isn't set.
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*/
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static int lbs_scan_add_rates_tlv(u8 *tlv)
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static int lbs_scan_add_rates_tlv(uint8_t *tlv)
|
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{
|
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int i;
|
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struct mrvlietypes_ratesparamset *rate_tlv =
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(struct mrvlietypes_ratesparamset *) tlv;
|
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struct mrvlietypes_ratesparamset *rate_tlv = (void *)tlv;
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|
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rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
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tlv += sizeof(rate_tlv->header);
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|
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@ -554,14 +522,14 @@ out:
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* @return 0 or < 0 if error
|
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*/
|
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int lbs_scan_networks(struct lbs_private *priv,
|
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const struct lbs_ioctl_user_scan_cfg *user_cfg,
|
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int full_scan)
|
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const struct lbs_ioctl_user_scan_cfg *user_cfg,
|
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int full_scan)
|
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{
|
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int ret = -ENOMEM;
|
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struct chanscanparamset *chan_list;
|
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struct chanscanparamset *curr_chans;
|
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int chan_count;
|
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u8 bsstype = CMD_BSS_TYPE_ANY;
|
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uint8_t bsstype = CMD_BSS_TYPE_ANY;
|
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int numchannels = MRVDRV_CHANNELS_PER_SCAN_CMD;
|
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int filteredscan = 0;
|
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union iwreq_data wrqu;
|
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|
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@ -571,8 +539,7 @@ int lbs_scan_networks(struct lbs_private *priv,
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DECLARE_MAC_BUF(mac);
|
||||
#endif
|
||||
|
||||
lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d",
|
||||
full_scan);
|
||||
lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan);
|
||||
|
||||
/* Cancel any partial outstanding partial scans if this scan
|
||||
* is a full scan.
|
||||
|
|
@ -584,26 +551,24 @@ int lbs_scan_networks(struct lbs_private *priv,
|
|||
if (user_cfg) {
|
||||
if (user_cfg->bsstype)
|
||||
bsstype = user_cfg->bsstype;
|
||||
if (compare_ether_addr(user_cfg->bssid, &zeromac[0]) != 0) {
|
||||
if (!is_zero_ether_addr(user_cfg->bssid)) {
|
||||
numchannels = MRVDRV_MAX_CHANNELS_PER_SCAN;
|
||||
filteredscan = 1;
|
||||
}
|
||||
}
|
||||
lbs_deb_scan("numchannels %d, bsstype %d, "
|
||||
"filteredscan %d\n",
|
||||
numchannels, bsstype, filteredscan);
|
||||
lbs_deb_scan("numchannels %d, bsstype %d, filteredscan %d\n",
|
||||
numchannels, bsstype, filteredscan);
|
||||
|
||||
/* Create list of channels to scan */
|
||||
chan_list = kzalloc(sizeof(struct chanscanparamset) *
|
||||
LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
|
||||
LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
|
||||
if (!chan_list) {
|
||||
lbs_pr_alert("SCAN: chan_list empty\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* We want to scan all channels */
|
||||
chan_count = lbs_scan_create_channel_list(priv, chan_list,
|
||||
filteredscan);
|
||||
chan_count = lbs_scan_create_channel_list(priv, chan_list, filteredscan);
|
||||
|
||||
netif_stop_queue(priv->dev);
|
||||
netif_carrier_off(priv->dev);
|
||||
|
|
@ -630,9 +595,9 @@ int lbs_scan_networks(struct lbs_private *priv,
|
|||
while (chan_count) {
|
||||
int to_scan = min(numchannels, chan_count);
|
||||
lbs_deb_scan("scanning %d of %d channels\n",
|
||||
to_scan, chan_count);
|
||||
to_scan, chan_count);
|
||||
ret = lbs_do_scan(priv, bsstype, curr_chans,
|
||||
to_scan, user_cfg);
|
||||
to_scan, user_cfg);
|
||||
if (ret) {
|
||||
lbs_pr_err("SCAN_CMD failed\n");
|
||||
goto out2;
|
||||
|
|
@ -641,8 +606,7 @@ int lbs_scan_networks(struct lbs_private *priv,
|
|||
chan_count -= to_scan;
|
||||
|
||||
/* somehow schedule the next part of the scan */
|
||||
if (chan_count &&
|
||||
!full_scan &&
|
||||
if (chan_count && !full_scan &&
|
||||
!priv->surpriseremoved) {
|
||||
/* -1 marks just that we're currently scanning */
|
||||
if (priv->scan_channel < 0)
|
||||
|
|
@ -651,7 +615,7 @@ int lbs_scan_networks(struct lbs_private *priv,
|
|||
priv->scan_channel += to_scan;
|
||||
cancel_delayed_work(&priv->scan_work);
|
||||
queue_delayed_work(priv->work_thread, &priv->scan_work,
|
||||
msecs_to_jiffies(300));
|
||||
msecs_to_jiffies(300));
|
||||
/* skip over GIWSCAN event */
|
||||
goto out;
|
||||
}
|
||||
|
|
@ -666,8 +630,8 @@ int lbs_scan_networks(struct lbs_private *priv,
|
|||
lbs_deb_scan("scan table:\n");
|
||||
list_for_each_entry(iter, &priv->network_list, list)
|
||||
lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n",
|
||||
i++, print_mac(mac, iter->bssid), (s32) iter->rssi,
|
||||
escape_essid(iter->ssid, iter->ssid_len));
|
||||
i++, print_mac(mac, iter->bssid), (int)iter->rssi,
|
||||
escape_essid(iter->ssid, iter->ssid_len));
|
||||
mutex_unlock(&priv->lock);
|
||||
#endif
|
||||
|
||||
|
|
@ -712,7 +676,7 @@ out:
|
|||
* @return 0 or -1
|
||||
*/
|
||||
static int lbs_process_bss(struct bss_descriptor *bss,
|
||||
u8 ** pbeaconinfo, int *bytesleft)
|
||||
uint8_t **pbeaconinfo, int *bytesleft)
|
||||
{
|
||||
struct ieeetypes_fhparamset *pFH;
|
||||
struct ieeetypes_dsparamset *pDS;
|
||||
|
|
@ -720,9 +684,9 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
struct ieeetypes_ibssparamset *pibss;
|
||||
DECLARE_MAC_BUF(mac);
|
||||
struct ieeetypes_countryinfoset *pcountryinfo;
|
||||
u8 *pos, *end, *p;
|
||||
u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
|
||||
u16 beaconsize = 0;
|
||||
uint8_t *pos, *end, *p;
|
||||
uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
|
||||
uint16_t beaconsize = 0;
|
||||
int ret;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
|
@ -794,12 +758,11 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
|
||||
/* process variable IE */
|
||||
while (pos <= end - 2) {
|
||||
struct ieee80211_info_element * elem =
|
||||
(struct ieee80211_info_element *) pos;
|
||||
struct ieee80211_info_element * elem = (void *)pos;
|
||||
|
||||
if (pos + elem->len > end) {
|
||||
lbs_deb_scan("process_bss: error in processing IE, "
|
||||
"bytes left < IE length\n");
|
||||
"bytes left < IE length\n");
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -813,7 +776,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
break;
|
||||
|
||||
case MFIE_TYPE_RATES:
|
||||
n_basic_rates = min_t(u8, MAX_RATES, elem->len);
|
||||
n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len);
|
||||
memcpy(bss->rates, elem->data, n_basic_rates);
|
||||
got_basic_rates = 1;
|
||||
lbs_deb_scan("got RATES IE\n");
|
||||
|
|
@ -854,19 +817,16 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
lbs_deb_scan("got COUNTRY IE\n");
|
||||
if (pcountryinfo->len < sizeof(pcountryinfo->countrycode)
|
||||
|| pcountryinfo->len > 254) {
|
||||
lbs_deb_scan("process_bss: 11D- Err "
|
||||
"CountryInfo len %d, min %zd, max 254\n",
|
||||
pcountryinfo->len,
|
||||
sizeof(pcountryinfo->countrycode));
|
||||
lbs_deb_scan("process_bss: 11D- Err CountryInfo len %d, min %zd, max 254\n",
|
||||
pcountryinfo->len, sizeof(pcountryinfo->countrycode));
|
||||
ret = -1;
|
||||
goto done;
|
||||
}
|
||||
|
||||
memcpy(&bss->countryinfo,
|
||||
pcountryinfo, pcountryinfo->len + 2);
|
||||
memcpy(&bss->countryinfo, pcountryinfo, pcountryinfo->len + 2);
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
|
||||
(u8 *) pcountryinfo,
|
||||
(u32) (pcountryinfo->len + 2));
|
||||
(uint8_t *) pcountryinfo,
|
||||
(int) (pcountryinfo->len + 2));
|
||||
break;
|
||||
|
||||
case MFIE_TYPE_RATES_EX:
|
||||
|
|
@ -890,26 +850,19 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
|
||||
case MFIE_TYPE_GENERIC:
|
||||
if (elem->len >= 4 &&
|
||||
elem->data[0] == 0x00 &&
|
||||
elem->data[1] == 0x50 &&
|
||||
elem->data[2] == 0xf2 &&
|
||||
elem->data[3] == 0x01) {
|
||||
bss->wpa_ie_len = min(elem->len + 2,
|
||||
MAX_WPA_IE_LEN);
|
||||
elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
|
||||
elem->data[2] == 0xf2 && elem->data[3] == 0x01) {
|
||||
bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
|
||||
memcpy(bss->wpa_ie, elem, bss->wpa_ie_len);
|
||||
lbs_deb_scan("got WPA IE\n");
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie,
|
||||
elem->len);
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len);
|
||||
} else if (elem->len >= MARVELL_MESH_IE_LENGTH &&
|
||||
elem->data[0] == 0x00 &&
|
||||
elem->data[1] == 0x50 &&
|
||||
elem->data[2] == 0x43 &&
|
||||
elem->data[3] == 0x04) {
|
||||
elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
|
||||
elem->data[2] == 0x43 && elem->data[3] == 0x04) {
|
||||
lbs_deb_scan("got mesh IE\n");
|
||||
bss->mesh = 1;
|
||||
} else {
|
||||
lbs_deb_scan("got generiec IE: "
|
||||
"%02x:%02x:%02x:%02x, len %d\n",
|
||||
lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n",
|
||||
elem->data[0], elem->data[1],
|
||||
elem->data[2], elem->data[3],
|
||||
elem->len);
|
||||
|
|
@ -921,12 +874,12 @@ static int lbs_process_bss(struct bss_descriptor *bss,
|
|||
bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
|
||||
memcpy(bss->rsn_ie, elem, bss->rsn_ie_len);
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE",
|
||||
bss->rsn_ie, elem->len);
|
||||
bss->rsn_ie, elem->len);
|
||||
break;
|
||||
|
||||
default:
|
||||
lbs_deb_scan("got IE 0x%04x, len %d\n",
|
||||
elem->id, elem->len);
|
||||
elem->id, elem->len);
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -956,18 +909,17 @@ done:
|
|||
* @return index in BSSID list, or error return code (< 0)
|
||||
*/
|
||||
struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
|
||||
u8 * bssid, u8 mode)
|
||||
uint8_t *bssid, uint8_t mode)
|
||||
{
|
||||
struct bss_descriptor * iter_bss;
|
||||
struct bss_descriptor * found_bss = NULL;
|
||||
struct bss_descriptor *iter_bss;
|
||||
struct bss_descriptor *found_bss = NULL;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
||||
if (!bssid)
|
||||
goto out;
|
||||
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "looking for",
|
||||
bssid, ETH_ALEN);
|
||||
lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
|
||||
|
||||
/* Look through the scan table for a compatible match. The loop will
|
||||
* continue past a matched bssid that is not compatible in case there
|
||||
|
|
@ -1009,10 +961,11 @@ out:
|
|||
* @return index in BSSID list
|
||||
*/
|
||||
struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
|
||||
u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
|
||||
int channel)
|
||||
uint8_t *ssid, uint8_t ssid_len,
|
||||
uint8_t *bssid, uint8_t mode,
|
||||
int channel)
|
||||
{
|
||||
u8 bestrssi = 0;
|
||||
uint8_t bestrssi = 0;
|
||||
struct bss_descriptor * iter_bss = NULL;
|
||||
struct bss_descriptor * found_bss = NULL;
|
||||
struct bss_descriptor * tmp_oldest = NULL;
|
||||
|
|
@ -1027,7 +980,7 @@ struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
|
|||
tmp_oldest = iter_bss;
|
||||
|
||||
if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
|
||||
ssid, ssid_len) != 0)
|
||||
ssid, ssid_len) != 0)
|
||||
continue; /* ssid doesn't match */
|
||||
if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
|
||||
continue; /* bssid doesn't match */
|
||||
|
|
@ -1077,13 +1030,12 @@ out:
|
|||
*
|
||||
* @return index in BSSID list
|
||||
*/
|
||||
static struct bss_descriptor *lbs_find_best_ssid_in_list(
|
||||
struct lbs_private *priv,
|
||||
u8 mode)
|
||||
static struct bss_descriptor *lbs_find_best_ssid_in_list(struct lbs_private *priv,
|
||||
uint8_t mode)
|
||||
{
|
||||
u8 bestrssi = 0;
|
||||
struct bss_descriptor * iter_bss;
|
||||
struct bss_descriptor * best_bss = NULL;
|
||||
uint8_t bestrssi = 0;
|
||||
struct bss_descriptor *iter_bss;
|
||||
struct bss_descriptor *best_bss = NULL;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
||||
|
|
@ -1125,11 +1077,12 @@ static struct bss_descriptor *lbs_find_best_ssid_in_list(
|
|||
*
|
||||
* @return 0--success, otherwise--fail
|
||||
*/
|
||||
int lbs_find_best_network_ssid(struct lbs_private *priv,
|
||||
u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
|
||||
int lbs_find_best_network_ssid(struct lbs_private *priv, uint8_t *out_ssid,
|
||||
uint8_t *out_ssid_len, uint8_t preferred_mode,
|
||||
uint8_t *out_mode)
|
||||
{
|
||||
int ret = -1;
|
||||
struct bss_descriptor * found;
|
||||
struct bss_descriptor *found;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
||||
|
|
@ -1164,14 +1117,14 @@ out:
|
|||
*
|
||||
* @return 0-success, otherwise fail
|
||||
*/
|
||||
int lbs_send_specific_ssid_scan(struct lbs_private *priv,
|
||||
u8 *ssid, u8 ssid_len, u8 clear_ssid)
|
||||
int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
|
||||
uint8_t ssid_len, uint8_t clear_ssid)
|
||||
{
|
||||
struct lbs_ioctl_user_scan_cfg scancfg;
|
||||
int ret = 0;
|
||||
|
||||
lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s', clear %d",
|
||||
escape_essid(ssid, ssid_len), clear_ssid);
|
||||
escape_essid(ssid, ssid_len), clear_ssid);
|
||||
|
||||
if (!ssid_len)
|
||||
goto out;
|
||||
|
|
@ -1205,17 +1158,17 @@ out:
|
|||
#define MAX_CUSTOM_LEN 64
|
||||
|
||||
static inline char *lbs_translate_scan(struct lbs_private *priv,
|
||||
char *start, char *stop,
|
||||
struct bss_descriptor *bss)
|
||||
char *start, char *stop,
|
||||
struct bss_descriptor *bss)
|
||||
{
|
||||
struct chan_freq_power *cfp;
|
||||
char *current_val; /* For rates */
|
||||
struct iw_event iwe; /* Temporary buffer */
|
||||
int j;
|
||||
#define PERFECT_RSSI ((u8)50)
|
||||
#define WORST_RSSI ((u8)0)
|
||||
#define RSSI_DIFF ((u8)(PERFECT_RSSI - WORST_RSSI))
|
||||
u8 rssi;
|
||||
#define PERFECT_RSSI ((uint8_t)50)
|
||||
#define WORST_RSSI ((uint8_t)0)
|
||||
#define RSSI_DIFF ((uint8_t)(PERFECT_RSSI - WORST_RSSI))
|
||||
uint8_t rssi;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
||||
|
|
@ -1235,7 +1188,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
|
|||
/* SSID */
|
||||
iwe.cmd = SIOCGIWESSID;
|
||||
iwe.u.data.flags = 1;
|
||||
iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE);
|
||||
iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE);
|
||||
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
|
||||
|
||||
/* Mode */
|
||||
|
|
@ -1256,28 +1209,26 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
|
|||
|
||||
rssi = iwe.u.qual.level - MRVDRV_NF_DEFAULT_SCAN_VALUE;
|
||||
iwe.u.qual.qual =
|
||||
(100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
|
||||
(15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
|
||||
(RSSI_DIFF * RSSI_DIFF);
|
||||
(100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
|
||||
(15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
|
||||
(RSSI_DIFF * RSSI_DIFF);
|
||||
if (iwe.u.qual.qual > 100)
|
||||
iwe.u.qual.qual = 100;
|
||||
|
||||
if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
|
||||
iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
|
||||
} else {
|
||||
iwe.u.qual.noise =
|
||||
CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
|
||||
iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
|
||||
}
|
||||
|
||||
/* Locally created ad-hoc BSSs won't have beacons if this is the
|
||||
* only station in the adhoc network; so get signal strength
|
||||
* from receive statistics.
|
||||
*/
|
||||
if ((priv->mode == IW_MODE_ADHOC)
|
||||
&& priv->adhoccreate
|
||||
if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate
|
||||
&& !lbs_ssid_cmp(priv->curbssparams.ssid,
|
||||
priv->curbssparams.ssid_len,
|
||||
bss->ssid, bss->ssid_len)) {
|
||||
priv->curbssparams.ssid_len,
|
||||
bss->ssid, bss->ssid_len)) {
|
||||
int snr, nf;
|
||||
snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
|
||||
nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
|
||||
|
|
@ -1308,14 +1259,13 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
|
|||
current_val = iwe_stream_add_value(start, current_val,
|
||||
stop, &iwe, IW_EV_PARAM_LEN);
|
||||
}
|
||||
if ((bss->mode == IW_MODE_ADHOC)
|
||||
if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate
|
||||
&& !lbs_ssid_cmp(priv->curbssparams.ssid,
|
||||
priv->curbssparams.ssid_len,
|
||||
bss->ssid, bss->ssid_len)
|
||||
&& priv->adhoccreate) {
|
||||
priv->curbssparams.ssid_len,
|
||||
bss->ssid, bss->ssid_len)) {
|
||||
iwe.u.bitrate.value = 22 * 500000;
|
||||
current_val = iwe_stream_add_value(start, current_val,
|
||||
stop, &iwe, IW_EV_PARAM_LEN);
|
||||
stop, &iwe, IW_EV_PARAM_LEN);
|
||||
}
|
||||
/* Check if we added any event */
|
||||
if((current_val - start) > IW_EV_LCP_LEN)
|
||||
|
|
@ -1344,8 +1294,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
|
|||
char *p = custom;
|
||||
|
||||
iwe.cmd = IWEVCUSTOM;
|
||||
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
|
||||
"mesh-type: olpc");
|
||||
p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc");
|
||||
iwe.u.data.length = p - custom;
|
||||
if (iwe.u.data.length)
|
||||
start = iwe_stream_add_point(start, stop, &iwe, custom);
|
||||
|
|
@ -1368,7 +1317,7 @@ out:
|
|||
* @return 0 --success, otherwise fail
|
||||
*/
|
||||
int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
|
||||
struct iw_param *wrqu, char *extra)
|
||||
struct iw_param *wrqu, char *extra)
|
||||
{
|
||||
struct lbs_private *priv = dev->priv;
|
||||
|
||||
|
|
@ -1392,7 +1341,7 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
|
|||
|
||||
if (!delayed_work_pending(&priv->scan_work))
|
||||
queue_delayed_work(priv->work_thread, &priv->scan_work,
|
||||
msecs_to_jiffies(50));
|
||||
msecs_to_jiffies(50));
|
||||
/* set marker that currently a scan is taking place */
|
||||
priv->scan_channel = -1;
|
||||
|
||||
|
|
@ -1415,15 +1364,15 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
|
|||
* @return 0 --success, otherwise fail
|
||||
*/
|
||||
int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
|
||||
struct iw_point *dwrq, char *extra)
|
||||
struct iw_point *dwrq, char *extra)
|
||||
{
|
||||
#define SCAN_ITEM_SIZE 128
|
||||
struct lbs_private *priv = dev->priv;
|
||||
int err = 0;
|
||||
char *ev = extra;
|
||||
char *stop = ev + dwrq->length;
|
||||
struct bss_descriptor * iter_bss;
|
||||
struct bss_descriptor * safe;
|
||||
struct bss_descriptor *iter_bss;
|
||||
struct bss_descriptor *safe;
|
||||
|
||||
lbs_deb_enter(LBS_DEB_SCAN);
|
||||
|
||||
|
|
@ -1432,14 +1381,13 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
|
|||
return -EAGAIN;
|
||||
|
||||
/* Update RSSI if current BSS is a locally created ad-hoc BSS */
|
||||
if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
|
||||
if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
|
||||
lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
|
||||
CMD_OPTION_WAITFORRSP, 0, NULL);
|
||||
}
|
||||
CMD_OPTION_WAITFORRSP, 0, NULL);
|
||||
|
||||
mutex_lock(&priv->lock);
|
||||
list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
|
||||
char * next_ev;
|
||||
char *next_ev;
|
||||
unsigned long stale_time;
|
||||
|
||||
if (stop - ev < SCAN_ITEM_SIZE) {
|
||||
|
|
@ -1454,8 +1402,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
|
|||
/* Prune old an old scan result */
|
||||
stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE;
|
||||
if (time_after(jiffies, stale_time)) {
|
||||
list_move_tail (&iter_bss->list,
|
||||
&priv->network_free_list);
|
||||
list_move_tail(&iter_bss->list, &priv->network_free_list);
|
||||
clear_bss_descriptor(iter_bss);
|
||||
continue;
|
||||
}
|
||||
|
|
@ -1515,8 +1462,8 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
|
|||
struct cmd_header *resp)
|
||||
{
|
||||
struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
|
||||
struct bss_descriptor * iter_bss;
|
||||
struct bss_descriptor * safe;
|
||||
struct bss_descriptor *iter_bss;
|
||||
struct bss_descriptor *safe;
|
||||
uint8_t *bssinfo;
|
||||
uint16_t scanrespsize;
|
||||
int bytesleft;
|
||||
|
|
|
|||
Reference in New Issue