diff options
Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/dot11d.c')
| -rw-r--r-- | drivers/staging/rtl8192u/ieee80211/dot11d.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.c b/drivers/staging/rtl8192u/ieee80211/dot11d.c deleted file mode 100644 index ddaf66fa0f93..000000000000 --- a/drivers/staging/rtl8192u/ieee80211/dot11d.c +++ /dev/null @@ -1,174 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Implement 802.11d. */ - -#include "dot11d.h" - -void rtl8192u_dot11d_init(struct ieee80211_device *ieee) -{ - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee); - - dot11d_info->dot11d_enabled = false; - - dot11d_info->state = DOT11D_STATE_NONE; - dot11d_info->country_ie_len = 0; - memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1); - memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1); - RESET_CIE_WATCHDOG(ieee); -} -EXPORT_SYMBOL(rtl8192u_dot11d_init); - -/* Reset to the state as we are just entering a regulatory domain. */ -void dot11d_reset(struct ieee80211_device *ieee) -{ - u32 i; - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee); - /* Clear old channel map */ - memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1); - memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1); - /* Set new channel map */ - 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_ie_len = 0; - RESET_CIE_WATCHDOG(ieee); -} -EXPORT_SYMBOL(dot11d_reset); - -/* - * Update country IE from Beacon or Probe Resopnse and configure PHY for - * operation in the regulatory domain. - * - * TODO: Configure Tx power. - * Assumption: - * 1. IS_DOT11D_ENABLE() is TRUE. - * 2. Input IE is an valid one. - */ -void dot11d_update_country_ie(struct ieee80211_device *dev, u8 *pTaddr, - u16 CoutryIeLen, u8 *pCoutryIe) -{ - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev); - u8 i, j, NumTriples, MaxChnlNum; - struct chnl_txpower_triple *pTriple; - - memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1); - memset(dot11d_info->max_tx_pwr_dbm_list, 0xFF, MAX_CHANNEL_NUMBER + 1); - MaxChnlNum = 0; - NumTriples = (CoutryIeLen - 3) / 3; /* skip 3-byte country string. */ - pTriple = (struct chnl_txpower_triple *)(pCoutryIe + 3); - for (i = 0; i < NumTriples; i++) { - if (MaxChnlNum >= pTriple->first_channel) { - /* It is not in a monotonically increasing order, so - * stop processing. - */ - netdev_err(dev->dev, "%s: Invalid country IE, skip it 1\n", __func__); - return; - } - if (MAX_CHANNEL_NUMBER < (pTriple->first_channel + pTriple->num_channels)) { - /* It is not a valid set of channel id, so stop - * processing. - */ - netdev_err(dev->dev, "%s: Invalid country IE, skip it 2\n", __func__); - return; - } - - for (j = 0; j < pTriple->num_channels; j++) { - dot11d_info->channel_map[pTriple->first_channel + j] = 1; - dot11d_info->max_tx_pwr_dbm_list[pTriple->first_channel + j] = pTriple->max_tx_pwr_dbm; - MaxChnlNum = pTriple->first_channel + j; - } - - pTriple = (struct chnl_txpower_triple *)((u8 *)pTriple + 3); - } - netdev_info(dev->dev, "Channel List:"); - for (i = 1; i <= MAX_CHANNEL_NUMBER; i++) - if (dot11d_info->channel_map[i] > 0) - netdev_info(dev->dev, " %d", i); - netdev_info(dev->dev, "\n"); - - UPDATE_CIE_SRC(dev, pTaddr); - - dot11d_info->country_ie_len = CoutryIeLen; - memcpy(dot11d_info->country_ie_buf, pCoutryIe, CoutryIeLen); - dot11d_info->state = DOT11D_STATE_LEARNED; -} -EXPORT_SYMBOL(dot11d_update_country_ie); - -u8 dot11d_get_max_tx_pwr_in_dbm(struct ieee80211_device *dev, u8 Channel) -{ - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev); - u8 MaxTxPwrInDbm = 255; - - if (Channel > MAX_CHANNEL_NUMBER) { - netdev_err(dev->dev, "%s: Invalid Channel\n", __func__); - return MaxTxPwrInDbm; - } - if (dot11d_info->channel_map[Channel]) - MaxTxPwrInDbm = dot11d_info->max_tx_pwr_dbm_list[Channel]; - - return MaxTxPwrInDbm; -} -EXPORT_SYMBOL(dot11d_get_max_tx_pwr_in_dbm); - -void dot11d_scan_complete(struct ieee80211_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: - if (GET_CIE_WATCHDOG(dev) == 0) { - /* Reset country IE if previous one is gone. */ - dot11d_reset(dev); - } - break; - case DOT11D_STATE_NONE: - break; - } -} -EXPORT_SYMBOL(dot11d_scan_complete); - -int is_legal_channel(struct ieee80211_device *dev, u8 channel) -{ - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev); - - if (channel > MAX_CHANNEL_NUMBER) { - netdev_err(dev->dev, "%s: Invalid Channel\n", __func__); - return 0; - } - if (dot11d_info->channel_map[channel] > 0) - return 1; - return 0; -} -EXPORT_SYMBOL(is_legal_channel); - -int to_legal_channel(struct ieee80211_device *dev, u8 channel) -{ - struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(dev); - u8 default_chn = 0; - u32 i = 0; - - for (i = 1; i <= MAX_CHANNEL_NUMBER; i++) { - if (dot11d_info->channel_map[i] > 0) { - default_chn = i; - break; - } - } - - if (channel > MAX_CHANNEL_NUMBER) { - netdev_err(dev->dev, "%s: Invalid Channel\n", __func__); - return default_chn; - } - - if (dot11d_info->channel_map[channel] > 0) - return channel; - - return default_chn; -} -EXPORT_SYMBOL(to_legal_channel); |