diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index a1d2716556be..83019d1d7ccc 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c | |||
@@ -1747,21 +1747,22 @@ static void iwl_unset_hw_setting(struct iwl_priv *priv) | |||
1747 | * return : set the bit for each supported rate insert in ie | 1747 | * return : set the bit for each supported rate insert in ie |
1748 | */ | 1748 | */ |
1749 | static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, | 1749 | static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate, |
1750 | u16 basic_rate, int max_count) | 1750 | u16 basic_rate, int *left) |
1751 | { | 1751 | { |
1752 | u16 ret_rates = 0, bit; | 1752 | u16 ret_rates = 0, bit; |
1753 | int i; | 1753 | int i; |
1754 | u8 *rates; | 1754 | u8 *cnt = ie; |
1755 | 1755 | u8 *rates = ie + 1; | |
1756 | rates = &(ie[1]); | ||
1757 | 1756 | ||
1758 | for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { | 1757 | for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) { |
1759 | if (bit & supported_rate) { | 1758 | if (bit & supported_rate) { |
1760 | ret_rates |= bit; | 1759 | ret_rates |= bit; |
1761 | rates[*ie] = iwl_rates[i].ieee | | 1760 | rates[*cnt] = iwl_rates[i].ieee | |
1762 | ((bit & basic_rate) ? 0x80 : 0x00); | 1761 | ((bit & basic_rate) ? 0x80 : 0x00); |
1763 | *ie = *ie + 1; | 1762 | (*cnt)++; |
1764 | if (*ie >= max_count) | 1763 | (*left)--; |
1764 | if ((*left <= 0) || | ||
1765 | (*cnt >= IWL_SUPPORTED_RATES_IE_LEN)) | ||
1765 | break; | 1766 | break; |
1766 | } | 1767 | } |
1767 | } | 1768 | } |
@@ -1778,7 +1779,7 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, | |||
1778 | { | 1779 | { |
1779 | int len = 0; | 1780 | int len = 0; |
1780 | u8 *pos = NULL; | 1781 | u8 *pos = NULL; |
1781 | u16 ret_rates; | 1782 | u16 active_rates, ret_rates, cck_rates; |
1782 | 1783 | ||
1783 | /* Make sure there is enough space for the probe request, | 1784 | /* Make sure there is enough space for the probe request, |
1784 | * two mandatory IEs and the data */ | 1785 | * two mandatory IEs and the data */ |
@@ -1823,19 +1824,27 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, | |||
1823 | left -= 2; | 1824 | left -= 2; |
1824 | if (left < 0) | 1825 | if (left < 0) |
1825 | return 0; | 1826 | return 0; |
1827 | |||
1826 | /* ... fill it in... */ | 1828 | /* ... fill it in... */ |
1827 | *pos++ = WLAN_EID_SUPP_RATES; | 1829 | *pos++ = WLAN_EID_SUPP_RATES; |
1828 | *pos = 0; | 1830 | *pos = 0; |
1829 | ret_rates = priv->active_rate = priv->rates_mask; | 1831 | |
1832 | priv->active_rate = priv->rates_mask; | ||
1833 | active_rates = priv->active_rate; | ||
1830 | priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; | 1834 | priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK; |
1831 | 1835 | ||
1832 | iwl_supported_rate_to_ie(pos, priv->active_rate, | 1836 | cck_rates = IWL_CCK_RATES_MASK & active_rates; |
1833 | priv->active_rate_basic, left); | 1837 | ret_rates = iwl_supported_rate_to_ie(pos, cck_rates, |
1838 | priv->active_rate_basic, &left); | ||
1839 | active_rates &= ~ret_rates; | ||
1840 | |||
1841 | ret_rates = iwl_supported_rate_to_ie(pos, active_rates, | ||
1842 | priv->active_rate_basic, &left); | ||
1843 | active_rates &= ~ret_rates; | ||
1844 | |||
1834 | len += 2 + *pos; | 1845 | len += 2 + *pos; |
1835 | pos += (*pos) + 1; | 1846 | pos += (*pos) + 1; |
1836 | ret_rates = ~ret_rates & priv->active_rate; | 1847 | if (active_rates == 0) |
1837 | |||
1838 | if (ret_rates == 0) | ||
1839 | goto fill_end; | 1848 | goto fill_end; |
1840 | 1849 | ||
1841 | /* fill in supported extended rate */ | 1850 | /* fill in supported extended rate */ |
@@ -1846,7 +1855,8 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv, | |||
1846 | /* ... fill it in... */ | 1855 | /* ... fill it in... */ |
1847 | *pos++ = WLAN_EID_EXT_SUPP_RATES; | 1856 | *pos++ = WLAN_EID_EXT_SUPP_RATES; |
1848 | *pos = 0; | 1857 | *pos = 0; |
1849 | iwl_supported_rate_to_ie(pos, ret_rates, priv->active_rate_basic, left); | 1858 | iwl_supported_rate_to_ie(pos, active_rates, |
1859 | priv->active_rate_basic, &left); | ||
1850 | if (*pos > 0) | 1860 | if (*pos > 0) |
1851 | len += 2 + *pos; | 1861 | len += 2 + *pos; |
1852 | 1862 | ||