From: wlanfae <wlanfae@realtek.com>

[PATCH 1/8] rtl8192e: Import new version of driver from realtek

Signed-off-by: wlanfae <wlanfae@realtek.com>
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/staging/rtl8192e/dot11d.c b/drivers/staging/rtl8192e/dot11d.c
new file mode 100644
index 000000000000..ee0381e0a81f
--- /dev/null
+++ b/drivers/staging/rtl8192e/dot11d.c
@@ -0,0 +1,216 @@
+/******************************************************************************
+ * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+******************************************************************************/
+#include "dot11d.h"
+
+struct channel_list {
+	u8      Channel[32];
+	u8      Len;
+};
+
+static struct channel_list ChannelPlan[] = {
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64,
+	  149, 153, 157, 161, 165}, 24},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56,
+	  60, 64}, 21},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
+	  56, 60, 64}, 22},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
+	  56, 60, 64}, 22},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
+	  56, 60, 64}, 22},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
+	 56, 60, 64}, 22},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
+	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52,
+	  56, 60, 64}, 21}
+};
+
+void Dot11d_Init(struct rtllib_device *ieee)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee);
+	pDot11dInfo->bEnabled = false;
+
+	pDot11dInfo->State = DOT11D_STATE_NONE;
+	pDot11dInfo->CountryIeLen = 0;
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	RESET_CIE_WATCHDOG(ieee);
+
+}
+
+void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee)
+{
+	int i, max_chan = 14, min_chan = 1;
+
+	ieee->bGlobalDomain = false;
+
+	if (ChannelPlan[channel_plan].Len != 0) {
+		memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
+		       sizeof(GET_DOT11D_INFO(ieee)->channel_map));
+		for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
+			if (ChannelPlan[channel_plan].Channel[i] < min_chan ||
+			    ChannelPlan[channel_plan].Channel[i] > max_chan)
+				break;
+			GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan
+					[channel_plan].Channel[i]] = 1;
+		}
+	}
+
+	switch (channel_plan) {
+	case COUNTRY_CODE_GLOBAL_DOMAIN:
+		ieee->bGlobalDomain = true;
+		for (i = 12; i <= 14; i++)
+			GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
+		ieee->IbssStartChnl = 10;
+		ieee->ibss_maxjoin_chal = 11;
+		break;
+
+	case COUNTRY_CODE_WORLD_WIDE_13:
+		for (i = 12; i <= 13; i++)
+			GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
+		ieee->IbssStartChnl = 10;
+		ieee->ibss_maxjoin_chal = 11;
+		break;
+
+	default:
+		ieee->IbssStartChnl = 1;
+		ieee->ibss_maxjoin_chal = 14;
+		break;
+	}
+}
+
+
+void Dot11d_Reset(struct rtllib_device *ieee)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee);
+	u32 i;
+
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	for (i = 1; i <= 11; i++)
+		(pDot11dInfo->channel_map)[i] = 1;
+	for (i = 12; i <= 14; i++)
+		(pDot11dInfo->channel_map)[i] = 2;
+	pDot11dInfo->State = DOT11D_STATE_NONE;
+	pDot11dInfo->CountryIeLen = 0;
+	RESET_CIE_WATCHDOG(ieee);
+}
+
+void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr,
+			    u16 CoutryIeLen, u8 *pCoutryIe)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 i, j, NumTriples, MaxChnlNum;
+	struct chnl_txpow_triple *pTriple;
+
+	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+	MaxChnlNum = 0;
+	NumTriples = (CoutryIeLen - 3) / 3;
+	pTriple = (struct chnl_txpow_triple *)(pCoutryIe + 3);
+	for (i = 0; i < NumTriples; i++) {
+		if (MaxChnlNum >= pTriple->FirstChnl) {
+			printk(KERN_INFO "Dot11d_UpdateCountryIe(): Invalid"
+			       " country IE, skip it........1\n");
+			return;
+		}
+		if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl +
+		    pTriple->NumChnls)) {
+			printk(KERN_INFO "Dot11d_UpdateCountryIe(): Invalid "
+			       "country IE, skip it........2\n");
+			return;
+		}
+
+		for (j = 0 ; j < pTriple->NumChnls; j++) {
+			pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
+			pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] =
+						 pTriple->MaxTxPowerInDbm;
+			MaxChnlNum = pTriple->FirstChnl + j;
+		}
+
+		pTriple = (struct chnl_txpow_triple *)((u8*)pTriple + 3);
+	}
+
+	UPDATE_CIE_SRC(dev, pTaddr);
+
+	pDot11dInfo->CountryIeLen = CoutryIeLen;
+	memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe, CoutryIeLen);
+	pDot11dInfo->State = DOT11D_STATE_LEARNED;
+}
+
+u8 DOT11D_GetMaxTxPwrInDbm(struct rtllib_device *dev, u8 Channel)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 MaxTxPwrInDbm = 255;
+
+	if (MAX_CHANNEL_NUMBER < Channel) {
+		printk(KERN_INFO "DOT11D_GetMaxTxPwrInDbm(): Invalid "
+		       "Channel\n");
+		return MaxTxPwrInDbm;
+	}
+	if (pDot11dInfo->channel_map[Channel])
+		MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel];
+
+	return MaxTxPwrInDbm;
+}
+
+void DOT11D_ScanComplete(struct rtllib_device *dev)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
+
+	switch (pDot11dInfo->State) {
+	case DOT11D_STATE_LEARNED:
+		pDot11dInfo->State = DOT11D_STATE_DONE;
+		break;
+	case DOT11D_STATE_DONE:
+		Dot11d_Reset(dev);
+		break;
+	case DOT11D_STATE_NONE:
+		break;
+	}
+}
+
+int ToLegalChannel(struct rtllib_device *dev, u8 channel)
+{
+	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
+	u8 default_chn = 0;
+	u32 i;
+
+	for (i = 1; i <= MAX_CHANNEL_NUMBER; i++) {
+		if (pDot11dInfo->channel_map[i] > 0) {
+			default_chn = i;
+			break;
+		}
+	}
+
+	if (MAX_CHANNEL_NUMBER < channel) {
+		printk(KERN_ERR "%s(): Invalid Channel\n", __func__);
+		return default_chn;
+	}
+
+	if (pDot11dInfo->channel_map[channel] > 0)
+		return channel;
+
+	return default_chn;
+}