Commit fe7c4040 authored by Guy Cohen's avatar Guy Cohen Committed by John W. Linville
Browse files

iwlwifi: remove support for Narrow Channel (10Mhz)



Setting Narrow Channel bit in the scan command caused the device
not to send probe request on all the channels
Signed-off-by: default avatarGuy Cohen <guy.cohen@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9e5b806c
......@@ -126,7 +126,7 @@ enum {
EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */
/* Bit 6 Reserved (was Narrow Channel) */
EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
};
......
......@@ -924,11 +924,6 @@ static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info)
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
}
static inline int is_channel_narrow(const struct iwl3945_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
}
static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
......
......@@ -1227,11 +1227,6 @@ static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
}
static inline int is_channel_narrow(const struct iwl_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 1 : 0;
}
static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
......
......@@ -377,7 +377,7 @@ static int iwl4965_set_fat_chan_info(struct iwl_priv *priv,
if (!is_channel_valid(ch_info))
return -1;
IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
IWL_DEBUG_INFO("FAT Ch. %d [%sGHz] %s%s%s%s%s(0x%02x"
" %ddBm): Ad-Hoc %ssupported\n",
ch_info->channel,
is_channel_a_band(ch_info) ?
......@@ -386,7 +386,6 @@ static int iwl4965_set_fat_chan_info(struct iwl_priv *priv,
CHECK_AND_PRINT(ACTIVE),
CHECK_AND_PRINT(RADAR),
CHECK_AND_PRINT(WIDE),
CHECK_AND_PRINT(NARROW),
CHECK_AND_PRINT(DFS),
eeprom_ch->flags,
eeprom_ch->max_power_avg,
......@@ -490,7 +489,7 @@ int iwl_init_channel_map(struct iwl_priv *priv)
ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
ch_info->min_power = 0;
IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x"
IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
" %ddBm): Ad-Hoc %ssupported\n",
ch_info->channel,
is_channel_a_band(ch_info) ?
......@@ -500,7 +499,6 @@ int iwl_init_channel_map(struct iwl_priv *priv)
CHECK_AND_PRINT_I(ACTIVE),
CHECK_AND_PRINT_I(RADAR),
CHECK_AND_PRINT_I(WIDE),
CHECK_AND_PRINT_I(NARROW),
CHECK_AND_PRINT_I(DFS),
eeprom_ch_info[ch].flags,
eeprom_ch_info[ch].max_power_avg,
......
......@@ -106,7 +106,7 @@ enum {
EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */
/* Bit 6 Reserved (was Narrow Channel) */
EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
};
......
......@@ -4841,7 +4841,7 @@ static int iwl3945_init_channel_map(struct iwl3945_priv *priv)
ch_info->scan_power = eeprom_ch_info[ch].max_power_avg;
ch_info->min_power = 0;
IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x"
IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x"
" %ddBm): Ad-Hoc %ssupported\n",
ch_info->channel,
is_channel_a_band(ch_info) ?
......@@ -4851,7 +4851,6 @@ static int iwl3945_init_channel_map(struct iwl3945_priv *priv)
CHECK_AND_PRINT(ACTIVE),
CHECK_AND_PRINT(RADAR),
CHECK_AND_PRINT(WIDE),
CHECK_AND_PRINT(NARROW),
CHECK_AND_PRINT(DFS),
eeprom_ch_info[ch].flags,
eeprom_ch_info[ch].max_power_avg,
......@@ -4987,9 +4986,6 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
if (scan_ch->type & 1)
scan_ch->type |= (direct_mask << 1);
if (is_channel_narrow(ch_info))
scan_ch->type |= (1 << 7);
scan_ch->active_dwell = cpu_to_le16(active_dwell);
scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
......
......@@ -4392,9 +4392,6 @@ static int iwl4965_get_channels_for_scan(struct iwl_priv *priv,
if (scan_ch->type & 1)
scan_ch->type |= (direct_mask << 1);
if (is_channel_narrow(ch_info))
scan_ch->type |= (1 << 7);
scan_ch->active_dwell = cpu_to_le16(active_dwell);
scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
......
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