[linux-2.6-block.git] / drivers / staging / rtl8192e / dot11d.c

/******************************************************************************
 * 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);

}
EXPORT_SYMBOL(dot11d_init);

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;
	}
}
EXPORT_SYMBOL(Dot11d_Channelmap);


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) {
			netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
			return;
		}
		if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl +
		    pTriple->NumChnls)) {
			netdev_info(dev->dev, "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;
}

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;
	}
}
Commit	Line	Data
94a79942 LF	1	/******************************************************************************
	2	* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
	3	*
	4	* This program is distributed in the hope that it will be useful, but WITHOUT
	5	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	6	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	7	* more details.
	8	*
	9	* You should have received a copy of the GNU General Public License along with
	10	* this program; if not, write to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
	12	*
	13	* The full GNU General Public License is included in this distribution in the
	14	* file called LICENSE.
	15	*
	16	* Contact Information:
	17	* wlanfae <wlanfae@realtek.com>
	18	******************************************************************************/
	19	#include "dot11d.h"
	20
	21	struct channel_list {
	22	u8 Channel[32];
	23	u8 Len;
	24	};
	25
	26	static struct channel_list ChannelPlan[] = {
	27	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64,
	28	149, 153, 157, 161, 165}, 24},
	29	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
	30	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56,
	31	60, 64}, 21},
	32	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
	33	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
	34	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
	35	56, 60, 64}, 22},
	36	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
	37	56, 60, 64}, 22},
	38	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
	39	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
	40	56, 60, 64}, 22},
	41	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52,
	42	56, 60, 64}, 22},
	43	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14},
	44	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
	45	{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52,
	46	56, 60, 64}, 21}
	47	};
	48
976d5341	49	void dot11d_init(struct rtllib_device *ieee)
94a79942 LF	50	{
94a79942 LF	51	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee);
3a6b70c3	52
94a79942 LF	53	pDot11dInfo->bEnabled = false;
	54
	55	pDot11dInfo->State = DOT11D_STATE_NONE;
	56	pDot11dInfo->CountryIeLen = 0;
	57	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
	58	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
	59	RESET_CIE_WATCHDOG(ieee);
	60
	61	}
976d5341	62	EXPORT_SYMBOL(dot11d_init);
94a79942 LF	63
	64	void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee)
	65	{
	66	int i, max_chan = 14, min_chan = 1;
	67
	68	ieee->bGlobalDomain = false;
	69
	70	if (ChannelPlan[channel_plan].Len != 0) {
	71	memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
	72	sizeof(GET_DOT11D_INFO(ieee)->channel_map));
	73	for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
	74	if (ChannelPlan[channel_plan].Channel[i] < min_chan \|\|
	75	ChannelPlan[channel_plan].Channel[i] > max_chan)
	76	break;
	77	GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan
	78	[channel_plan].Channel[i]] = 1;
	79	}
	80	}
	81
	82	switch (channel_plan) {
	83	case COUNTRY_CODE_GLOBAL_DOMAIN:
	84	ieee->bGlobalDomain = true;
	85	for (i = 12; i <= 14; i++)
	86	GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
	87	ieee->IbssStartChnl = 10;
	88	ieee->ibss_maxjoin_chal = 11;
	89	break;
	90
	91	case COUNTRY_CODE_WORLD_WIDE_13:
	92	for (i = 12; i <= 13; i++)
	93	GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
	94	ieee->IbssStartChnl = 10;
	95	ieee->ibss_maxjoin_chal = 11;
	96	break;
	97
	98	default:
	99	ieee->IbssStartChnl = 1;
	100	ieee->ibss_maxjoin_chal = 14;
	101	break;
	102	}
	103	}
3b28499c	104	EXPORT_SYMBOL(Dot11d_Channelmap);
94a79942 LF	105
	106
	107	void Dot11d_Reset(struct rtllib_device *ieee)
	108	{
	109	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee);
	110	u32 i;
	111
	112	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
	113	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
	114	for (i = 1; i <= 11; i++)
	115	(pDot11dInfo->channel_map)[i] = 1;
	116	for (i = 12; i <= 14; i++)
	117	(pDot11dInfo->channel_map)[i] = 2;
	118	pDot11dInfo->State = DOT11D_STATE_NONE;
	119	pDot11dInfo->CountryIeLen = 0;
	120	RESET_CIE_WATCHDOG(ieee);
	121	}
	122
	123	void Dot11d_UpdateCountryIe(struct rtllib_device dev, u8 pTaddr,
	124	u16 CoutryIeLen, u8 *pCoutryIe)
	125	{
	126	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
	127	u8 i, j, NumTriples, MaxChnlNum;
	128	struct chnl_txpow_triple *pTriple;
	129
	130	memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
	131	memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
	132	MaxChnlNum = 0;
	133	NumTriples = (CoutryIeLen - 3) / 3;
	134	pTriple = (struct chnl_txpow_triple *)(pCoutryIe + 3);
	135	for (i = 0; i < NumTriples; i++) {
	136	if (MaxChnlNum >= pTriple->FirstChnl) {
eb5dd416	137	netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
94a79942 LF	138	return;
	139	}
	140	if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl +
	141	pTriple->NumChnls)) {
eb5dd416	142	netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n");
94a79942 LF	143	return;
	144	}
	145
f249da27	146	for (j = 0; j < pTriple->NumChnls; j++) {
94a79942 LF	147	pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
	148	pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] =
	149	pTriple->MaxTxPowerInDbm;
	150	MaxChnlNum = pTriple->FirstChnl + j;
	151	}
	152
f222c70c	153	pTriple = (struct chnl_txpow_triple )((u8 )pTriple + 3);
94a79942 LF	154	}
	155
	156	UPDATE_CIE_SRC(dev, pTaddr);
	157
	158	pDot11dInfo->CountryIeLen = CoutryIeLen;
	159	memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe, CoutryIeLen);
	160	pDot11dInfo->State = DOT11D_STATE_LEARNED;
	161	}
	162
94a79942 LF	163	void DOT11D_ScanComplete(struct rtllib_device *dev)
	164	{
	165	struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev);
	166
	167	switch (pDot11dInfo->State) {
	168	case DOT11D_STATE_LEARNED:
	169	pDot11dInfo->State = DOT11D_STATE_DONE;
	170	break;
	171	case DOT11D_STATE_DONE:
	172	Dot11d_Reset(dev);
	173	break;
	174	case DOT11D_STATE_NONE:
	175	break;
	176	}
	177	}