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path: root/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
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Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_ieee80211.c')
-rw-r--r--drivers/staging/rtl8723bs/core/rtw_ieee80211.c156
1 files changed, 26 insertions, 130 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
index be4cffce4f5d..ae057eefeeb3 100644
--- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
+++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c
@@ -120,7 +120,7 @@ u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *sourc
/* rtw_set_ie will update frame length */
u8 *rtw_set_ie(u8 *pbuf,
- sint index,
+ signed int index,
uint len,
u8 *source,
uint *frlen) /* frame length */
@@ -140,9 +140,9 @@ u8 *rtw_set_ie(u8 *pbuf,
/*----------------------------------------------------------------------------
index: the information element id index, limit is the limit for search
-----------------------------------------------------------------------------*/
-u8 *rtw_get_ie(u8 *pbuf, sint index, sint *len, sint limit)
+u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit)
{
- sint tmp, i;
+ signed int tmp, i;
u8 *p;
if (limit < 1)
@@ -488,11 +488,8 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
pos += WPA_SELECTOR_LEN;
left -= WPA_SELECTOR_LEN;
- } else if (left > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie length mismatch, %u too much", __func__, left));
-
+ } else if (left > 0)
return _FAIL;
- }
/* pairwise_cipher */
if (left >= 2) {
@@ -501,11 +498,8 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
pos += 2;
left -= 2;
- if (count == 0 || left < count * WPA_SELECTOR_LEN) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie count botch (pairwise), "
- "count %u left %u", __func__, count, left));
+ if (count == 0 || left < count * WPA_SELECTOR_LEN)
return _FAIL;
- }
for (i = 0; i < count; i++) {
*pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
@@ -514,16 +508,13 @@ int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwis
left -= WPA_SELECTOR_LEN;
}
- } else if (left == 1) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie too short (for key mgmt)", __func__));
+ } else if (left == 1)
return _FAIL;
- }
if (is_8021x) {
if (left >= 6) {
pos += 2;
if (!memcmp(pos, SUITE_1X, 4)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s : there has 802.1x auth\n", __func__));
*is_8021x = 1;
}
}
@@ -559,10 +550,8 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
pos += RSN_SELECTOR_LEN;
left -= RSN_SELECTOR_LEN;
- } else if (left > 0) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie length mismatch, %u too much", __func__, left));
+ } else if (left > 0)
return _FAIL;
- }
/* pairwise_cipher */
if (left >= 2) {
@@ -571,11 +560,8 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
pos += 2;
left -= 2;
- if (count == 0 || left < count * RSN_SELECTOR_LEN) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie count botch (pairwise), "
- "count %u left %u", __func__, count, left));
+ if (count == 0 || left < count * RSN_SELECTOR_LEN)
return _FAIL;
- }
for (i = 0; i < count; i++) {
*pairwise_cipher |= rtw_get_wpa2_cipher_suite(pos);
@@ -584,19 +570,14 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
left -= RSN_SELECTOR_LEN;
}
- } else if (left == 1) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s: ie too short (for key mgmt)", __func__));
-
+ } else if (left == 1)
return _FAIL;
- }
if (is_8021x) {
if (left >= 6) {
pos += 2;
- if (!memcmp(pos, SUITE_1X, 4)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s (): there has 802.1x auth\n", __func__));
+ if (!memcmp(pos, SUITE_1X, 4))
*is_8021x = 1;
- }
}
}
@@ -607,7 +588,7 @@ int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwi
int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
{
int len = 0;
- u8 authmode, i;
+ u8 authmode;
uint cnt;
u8 wapi_oui1[4] = {0x0, 0x14, 0x72, 0x01};
u8 wapi_oui2[4] = {0x0, 0x14, 0x72, 0x02};
@@ -626,16 +607,9 @@ int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
/* if (authmode == WLAN_EID_BSS_AC_ACCESS_DELAY) */
if (authmode == WLAN_EID_BSS_AC_ACCESS_DELAY && (!memcmp(&in_ie[cnt+6], wapi_oui1, 4) ||
!memcmp(&in_ie[cnt+6], wapi_oui2, 4))) {
- if (wapi_ie) {
+ if (wapi_ie)
memcpy(wapi_ie, &in_ie[cnt], in_ie[cnt+1]+2);
- for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
- wapi_ie[i], wapi_ie[i+1], wapi_ie[i+2], wapi_ie[i+3], wapi_ie[i+4],
- wapi_ie[i+5], wapi_ie[i+6], wapi_ie[i+7]));
- }
- }
-
if (wapi_len)
*wapi_len = in_ie[cnt+1]+2;
@@ -654,7 +628,7 @@ int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len)
{
- u8 authmode, sec_idx, i;
+ u8 authmode;
u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
uint cnt;
@@ -662,39 +636,19 @@ void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie
cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
- sec_idx = 0;
-
while (cnt < in_len) {
authmode = in_ie[cnt];
if ((authmode == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_get_wpa_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n", sec_idx, in_ie[cnt+1]+2));
-
- if (wpa_ie) {
+ if (wpa_ie)
memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt+1]+2);
- for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
- wpa_ie[i], wpa_ie[i+1], wpa_ie[i+2], wpa_ie[i+3], wpa_ie[i+4],
- wpa_ie[i+5], wpa_ie[i+6], wpa_ie[i+7]));
- }
- }
-
- *wpa_len = in_ie[cnt+1]+2;
- cnt += in_ie[cnt+1]+2; /* get next */
+ *wpa_len = in_ie[cnt + 1] + 2;
+ cnt += in_ie[cnt + 1] + 2; /* get next */
} else {
if (authmode == WLAN_EID_RSN) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n get_rsn_ie: sec_idx =%d in_ie[cnt+1]+2 =%d\n", sec_idx, in_ie[cnt+1]+2));
-
- if (rsn_ie) {
- memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt+1]+2);
-
- for (i = 0; i < (in_ie[cnt+1]+2); i = i+8) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n %2x,%2x,%2x,%2x,%2x,%2x,%2x,%2x\n",
- rsn_ie[i], rsn_ie[i+1], rsn_ie[i+2], rsn_ie[i+3], rsn_ie[i+4],
- rsn_ie[i+5], rsn_ie[i+6], rsn_ie[i+7]));
- }
- }
+ if (rsn_ie)
+ memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
*rsn_len = in_ie[cnt+1]+2;
cnt += in_ie[cnt+1]+2; /* get next */
@@ -716,7 +670,6 @@ u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen)
eid = ie_ptr[0];
if ((eid == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&ie_ptr[2], wps_oui, 4))) {
- /* DBG_8192C("==> found WPS_IE.....\n"); */
*wps_ielen = ie_ptr[1]+2;
match = true;
}
@@ -802,7 +755,6 @@ u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_att
u16 attr_data_len = get_unaligned_be16(attr_ptr + 2);
u16 attr_len = attr_data_len + 4;
- /* DBG_871X("%s attr_ptr:%p, id:%u, length:%u\n", __func__, attr_ptr, attr_id, attr_data_len); */
if (attr_id == target_attr_id) {
target_attr_ptr = attr_ptr;
@@ -863,14 +815,8 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
/* first 3 bytes in vendor specific information element are the IEEE
* OUI of the vendor. The following byte is used a vendor specific
* sub-type. */
- if (elen < 4) {
- if (show_errors) {
- DBG_871X("short vendor specific "
- "information element ignored (len =%lu)\n",
- (unsigned long) elen);
- }
+ if (elen < 4)
return -1;
- }
oui = get_unaligned_be24(pos);
switch (oui) {
@@ -885,13 +831,9 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
elems->wpa_ie_len = elen;
break;
case WME_OUI_TYPE: /* this is a Wi-Fi WME info. element */
- if (elen < 5) {
- DBG_871X("short WME "
- "information element ignored "
- "(len =%lu)\n",
- (unsigned long) elen);
+ if (elen < 5)
return -1;
- }
+
switch (pos[4]) {
case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
@@ -903,10 +845,6 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
elems->wme_tspec_len = elen;
break;
default:
- DBG_871X("unknown WME "
- "information element ignored "
- "(subtype =%d len =%lu)\n",
- pos[4], (unsigned long) elen);
return -1;
}
break;
@@ -916,10 +854,6 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
elems->wps_ie_len = elen;
break;
default:
- DBG_871X("Unknown Microsoft "
- "information element ignored "
- "(type =%d len =%lu)\n",
- pos[3], (unsigned long) elen);
return -1;
}
break;
@@ -931,19 +865,11 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
elems->vendor_ht_cap_len = elen;
break;
default:
- DBG_871X("Unknown Broadcom "
- "information element ignored "
- "(type =%d len =%lu)\n",
- pos[3], (unsigned long) elen);
return -1;
}
break;
default:
- DBG_871X("unknown vendor specific information "
- "element ignored (vendor OUI %02x:%02x:%02x "
- "len =%lu)\n",
- pos[0], pos[1], pos[2], (unsigned long) elen);
return -1;
}
@@ -958,7 +884,7 @@ static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
* @show_errors: Whether to show parsing errors in debug log
* Returns: Parsing result
*/
-ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
+enum ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
struct rtw_ieee802_11_elems *elems,
int show_errors)
{
@@ -975,15 +901,8 @@ ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
elen = *pos++;
left -= 2;
- if (elen > left) {
- if (show_errors) {
- DBG_871X("IEEE 802.11 element "
- "parse failed (id =%d elen =%d "
- "left =%lu)\n",
- id, elen, (unsigned long) left);
- }
+ if (elen > left)
return ParseFailed;
- }
switch (id) {
case WLAN_EID_SSID:
@@ -1078,11 +997,6 @@ ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
break;
default:
unknown++;
- if (!show_errors)
- break;
- DBG_871X("IEEE 802.11 element parse "
- "ignored unknown element (id =%d elen =%d)\n",
- id, elen);
break;
}
@@ -1115,16 +1029,14 @@ void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr)
}
if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) {
- if ((addr = of_get_property(np, "local-mac-address", &len)) &&
- len == ETH_ALEN) {
+ addr = of_get_property(np, "local-mac-address", &len);
+
+ if (addr && len == ETH_ALEN) {
ether_addr_copy(mac_addr, addr);
} else {
eth_random_addr(mac_addr);
- DBG_871X("MAC Address from efuse error, assign random one !!!\n");
}
}
-
- DBG_871X("rtw_macaddr_cfg MAC Address = %pM\n", MAC_ARG(mac_addr));
}
static int rtw_get_cipher_info(struct wlan_network *pnetwork)
@@ -1137,28 +1049,20 @@ static int rtw_get_cipher_info(struct wlan_network *pnetwork)
pbuf = rtw_get_wpa_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
if (pbuf && (wpa_ielen > 0)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_cipher_info: wpa_ielen: %d", wpa_ielen));
if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
pnetwork->BcnInfo.group_cipher = group_cipher;
pnetwork->BcnInfo.is_8021x = is8021x;
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s: pnetwork->pairwise_cipher: %d, is_8021x is %d",
- __func__, pnetwork->BcnInfo.pairwise_cipher, pnetwork->BcnInfo.is_8021x));
ret = _SUCCESS;
}
} else {
pbuf = rtw_get_wpa2_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
if (pbuf && (wpa_ielen > 0)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE\n"));
if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("get RSN IE OK!!!\n"));
pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
pnetwork->BcnInfo.group_cipher = group_cipher;
pnetwork->BcnInfo.is_8021x = is8021x;
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s: pnetwork->pairwise_cipher: %d,"
- "pnetwork->group_cipher is %d, is_8021x is %d", __func__, pnetwork->BcnInfo.pairwise_cipher,
- pnetwork->BcnInfo.group_cipher, pnetwork->BcnInfo.is_8021x));
ret = _SUCCESS;
}
}
@@ -1188,10 +1092,6 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
}
rtw_get_sec_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &rsn_len, NULL, &wpa_len);
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: ssid =%s\n", pnetwork->network.Ssid.Ssid));
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: wpa_len =%d rsn_len =%d\n", wpa_len, rsn_len));
if (rsn_len > 0) {
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
@@ -1201,10 +1101,6 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
if (bencrypt)
pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
}
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
- pnetwork->BcnInfo.encryp_protocol));
- RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_get_bcn_info: pnetwork->encryp_protocol is %x\n",
- pnetwork->BcnInfo.encryp_protocol));
rtw_get_cipher_info(pnetwork);
/* get bwmode and ch_offset */
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-03 11:35:05 +0300