diff options
Diffstat (limited to 'include/linux/ieee80211.h')
| -rw-r--r-- | include/linux/ieee80211.h | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index e02fc682bb68..2385119f8bb0 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h | |||
| @@ -1935,36 +1935,6 @@ static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, | |||
| 1935 | } | 1935 | } |
| 1936 | 1936 | ||
| 1937 | /** | 1937 | /** |
| 1938 | * ieee80211_fhss_chan_to_freq - get channel frequency | ||
| 1939 | * @channel: the FHSS channel | ||
| 1940 | * | ||
| 1941 | * Convert IEEE802.11 FHSS channel to frequency (MHz) | ||
| 1942 | * Ref IEEE 802.11-2007 section 14.6 | ||
| 1943 | */ | ||
| 1944 | static inline int ieee80211_fhss_chan_to_freq(int channel) | ||
| 1945 | { | ||
| 1946 | if ((channel > 1) && (channel < 96)) | ||
| 1947 | return channel + 2400; | ||
| 1948 | else | ||
| 1949 | return -1; | ||
| 1950 | } | ||
| 1951 | |||
| 1952 | /** | ||
| 1953 | * ieee80211_freq_to_fhss_chan - get channel | ||
| 1954 | * @freq: the channels frequency | ||
| 1955 | * | ||
| 1956 | * Convert frequency (MHz) to IEEE802.11 FHSS channel | ||
| 1957 | * Ref IEEE 802.11-2007 section 14.6 | ||
| 1958 | */ | ||
| 1959 | static inline int ieee80211_freq_to_fhss_chan(int freq) | ||
| 1960 | { | ||
| 1961 | if ((freq > 2401) && (freq < 2496)) | ||
| 1962 | return freq - 2400; | ||
| 1963 | else | ||
| 1964 | return -1; | ||
| 1965 | } | ||
| 1966 | |||
| 1967 | /** | ||
| 1968 | * ieee80211_dsss_chan_to_freq - get channel center frequency | 1938 | * ieee80211_dsss_chan_to_freq - get channel center frequency |
| 1969 | * @channel: the DSSS channel | 1939 | * @channel: the DSSS channel |
| 1970 | * | 1940 | * |
| @@ -2000,56 +1970,6 @@ static inline int ieee80211_freq_to_dsss_chan(int freq) | |||
| 2000 | return -1; | 1970 | return -1; |
| 2001 | } | 1971 | } |
| 2002 | 1972 | ||
| 2003 | /* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back | ||
| 2004 | * Ref IEEE 802.11-2007 section 18.4.6.2 | ||
| 2005 | * | ||
| 2006 | * The channels and frequencies are the same as those defined for DSSS | ||
| 2007 | */ | ||
| 2008 | #define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan) | ||
| 2009 | #define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq) | ||
| 2010 | |||
| 2011 | /* Convert IEEE802.11 ERP channel to frequency (MHz) and back | ||
| 2012 | * Ref IEEE 802.11-2007 section 19.4.2 | ||
| 2013 | */ | ||
| 2014 | #define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan) | ||
| 2015 | #define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq) | ||
| 2016 | |||
| 2017 | /** | ||
| 2018 | * ieee80211_ofdm_chan_to_freq - get channel center frequency | ||
| 2019 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | ||
| 2020 | * @channel: the OFDM channel | ||
| 2021 | * | ||
| 2022 | * Convert IEEE802.11 OFDM channel to center frequency (MHz) | ||
| 2023 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | ||
| 2024 | */ | ||
| 2025 | static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel) | ||
| 2026 | { | ||
| 2027 | if ((channel > 0) && (channel <= 200) && | ||
| 2028 | (s_freq >= 4000)) | ||
| 2029 | return s_freq + (channel * 5); | ||
| 2030 | else | ||
| 2031 | return -1; | ||
| 2032 | } | ||
| 2033 | |||
| 2034 | /** | ||
| 2035 | * ieee80211_freq_to_ofdm_channel - get channel | ||
| 2036 | * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz | ||
| 2037 | * @freq: the frequency | ||
| 2038 | * | ||
| 2039 | * Convert frequency (MHz) to IEEE802.11 OFDM channel | ||
| 2040 | * Ref IEEE 802.11-2007 section 17.3.8.3.2 | ||
| 2041 | * | ||
| 2042 | * This routine selects the channel with the closest center frequency. | ||
| 2043 | */ | ||
| 2044 | static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq) | ||
| 2045 | { | ||
| 2046 | if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) && | ||
| 2047 | (s_freq >= 4000)) | ||
| 2048 | return (freq + 2 - s_freq) / 5; | ||
| 2049 | else | ||
| 2050 | return -1; | ||
| 2051 | } | ||
| 2052 | |||
| 2053 | /** | 1973 | /** |
| 2054 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds | 1974 | * ieee80211_tu_to_usec - convert time units (TU) to microseconds |
| 2055 | * @tu: the TUs | 1975 | * @tu: the TUs |
