![Himadri Pandya](/assets/img/avatar_default.png)
Rename following parameters of function dot11d_update_country to fix checkpatch warning: Avoid CamelCase and make the parameter names more readable, understandable. pTaddr -> address CoutryIeLen -> country_len pCoutryIe -> country Signed-off-by: Himadri Pandya <himadri18.07@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
176 lines
5.3 KiB
C
176 lines
5.3 KiB
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.
|
|
*
|
|
* 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 channel_array[] = {
|
|
{{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 *dot11d_info = GET_DOT11D_INFO(ieee);
|
|
|
|
dot11d_info->enabled = false;
|
|
|
|
dot11d_info->state = DOT11D_STATE_NONE;
|
|
dot11d_info->country_len = 0;
|
|
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
|
|
memset(dot11d_info->max_tx_power_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
|
|
RESET_CIE_WATCHDOG(ieee);
|
|
}
|
|
EXPORT_SYMBOL(dot11d_init);
|
|
|
|
void dot11d_channel_map(u8 channel_plan, struct rtllib_device *ieee)
|
|
{
|
|
int i, max_chan = 14, min_chan = 1;
|
|
|
|
ieee->global_domain = false;
|
|
|
|
if (channel_array[channel_plan].len != 0) {
|
|
memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
|
|
sizeof(GET_DOT11D_INFO(ieee)->channel_map));
|
|
for (i = 0; i < channel_array[channel_plan].len; i++) {
|
|
if (channel_array[channel_plan].channel[i] < min_chan ||
|
|
channel_array[channel_plan].channel[i] > max_chan)
|
|
break;
|
|
GET_DOT11D_INFO(ieee)->channel_map[channel_array
|
|
[channel_plan].channel[i]] = 1;
|
|
}
|
|
}
|
|
|
|
switch (channel_plan) {
|
|
case COUNTRY_CODE_GLOBAL_DOMAIN:
|
|
ieee->global_domain = true;
|
|
for (i = 12; i <= 14; i++)
|
|
GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
|
|
ieee->bss_start_channel = 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->bss_start_channel = 10;
|
|
ieee->ibss_maxjoin_chal = 11;
|
|
break;
|
|
|
|
default:
|
|
ieee->bss_start_channel = 1;
|
|
ieee->ibss_maxjoin_chal = 14;
|
|
break;
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(dot11d_channel_map);
|
|
|
|
void dot11d_reset(struct rtllib_device *ieee)
|
|
{
|
|
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee);
|
|
u32 i;
|
|
|
|
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
|
|
memset(dot11d_info->max_tx_power_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
|
|
for (i = 1; i <= 11; i++)
|
|
(dot11d_info->channel_map)[i] = 1;
|
|
for (i = 12; i <= 14; i++)
|
|
(dot11d_info->channel_map)[i] = 2;
|
|
dot11d_info->state = DOT11D_STATE_NONE;
|
|
dot11d_info->country_len = 0;
|
|
RESET_CIE_WATCHDOG(ieee);
|
|
}
|
|
|
|
void dot11d_update_country(struct rtllib_device *dev, u8 *address,
|
|
u16 country_len, u8 *country)
|
|
{
|
|
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
|
|
u8 i, j, number_of_triples, max_channel_number;
|
|
struct chnl_txpow_triple *triple;
|
|
|
|
memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
|
|
memset(dot11d_info->max_tx_power_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
|
|
max_channel_number = 0;
|
|
number_of_triples = (country_len - 3) / 3;
|
|
triple = (struct chnl_txpow_triple *)(country + 3);
|
|
for (i = 0; i < number_of_triples; i++) {
|
|
if (max_channel_number >= triple->first_channel) {
|
|
netdev_info(dev->dev,
|
|
"%s: Invalid country IE, skip it......1\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
if (MAX_CHANNEL_NUMBER < (triple->first_channel +
|
|
triple->num_channels)) {
|
|
netdev_info(dev->dev,
|
|
"%s: Invalid country IE, skip it......2\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
for (j = 0; j < triple->num_channels; j++) {
|
|
dot11d_info->channel_map[triple->first_channel + j] = 1;
|
|
dot11d_info->max_tx_power_list[triple->first_channel + j] =
|
|
triple->max_tx_power;
|
|
max_channel_number = triple->first_channel + j;
|
|
}
|
|
|
|
triple = (struct chnl_txpow_triple *)((u8 *)triple + 3);
|
|
}
|
|
|
|
UPDATE_CIE_SRC(dev, address);
|
|
|
|
dot11d_info->country_len = country_len;
|
|
memcpy(dot11d_info->country_buffer, country, country_len);
|
|
dot11d_info->state = DOT11D_STATE_LEARNED;
|
|
}
|
|
|
|
void dot11d_scan_complete(struct rtllib_device *dev)
|
|
{
|
|
struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev);
|
|
|
|
switch (dot11d_info->state) {
|
|
case DOT11D_STATE_LEARNED:
|
|
dot11d_info->state = DOT11D_STATE_DONE;
|
|
break;
|
|
case DOT11D_STATE_DONE:
|
|
dot11d_reset(dev);
|
|
break;
|
|
case DOT11D_STATE_NONE:
|
|
break;
|
|
}
|
|
}
|