diff options
author | mb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-02-15 22:47:47 +0000 |
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committer | mb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-02-15 22:47:47 +0000 |
commit | 8b781781653ed21133e9f240e350951c24e94fb2 (patch) | |
tree | 23c839cece6d908d1b71914c4ebf9576dfc8d07e /package/mac80211/src/net/wireless/util.c | |
parent | 8edc7d7a47705374d16bc2417ee4fdf2bff17cce (diff) |
Upgrade b43 and mac80211.
This also temporarly disables hostapd support for mac80211, as hostapd needs patches to compile against latest mac80211.
Will do that in a seperate patch.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10466 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/src/net/wireless/util.c')
-rw-r--r-- | package/mac80211/src/net/wireless/util.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/package/mac80211/src/net/wireless/util.c b/package/mac80211/src/net/wireless/util.c new file mode 100644 index 0000000000..77336c22fc --- /dev/null +++ b/package/mac80211/src/net/wireless/util.c @@ -0,0 +1,98 @@ +/* + * Wireless utility functions + * + * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> + */ +#include <net/wireless.h> +#include <asm/bitops.h> +#include "core.h" + +int ieee80211_channel_to_frequency(int chan) +{ + if (chan < 14) + return 2407 + chan * 5; + + if (chan == 14) + return 2484; + + /* FIXME: 802.11j 17.3.8.3.2 */ + return (chan + 1000) * 5; +} +EXPORT_SYMBOL(ieee80211_channel_to_frequency); + +int ieee80211_frequency_to_channel(int freq) +{ + if (freq == 2484) + return 14; + + if (freq < 2484) + return (freq - 2407) / 5; + + /* FIXME: 802.11j 17.3.8.3.2 */ + return freq/5 - 1000; +} +EXPORT_SYMBOL(ieee80211_frequency_to_channel); + +static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, + enum ieee80211_band band) +{ + int i, want; + + switch (band) { + case IEEE80211_BAND_5GHZ: + want = 3; + for (i = 0; i < sband->n_bitrates; i++) { + if (sband->bitrates[i].bitrate == 60 || + sband->bitrates[i].bitrate == 120 || + sband->bitrates[i].bitrate == 240) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_A; + want--; + } + } + WARN_ON(want); + break; + case IEEE80211_BAND_2GHZ: + want = 7; + for (i = 0; i < sband->n_bitrates; i++) { + if (sband->bitrates[i].bitrate == 10) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_B | + IEEE80211_RATE_MANDATORY_G; + want--; + } + + if (sband->bitrates[i].bitrate == 20 || + sband->bitrates[i].bitrate == 55 || + sband->bitrates[i].bitrate == 110 || + sband->bitrates[i].bitrate == 60 || + sband->bitrates[i].bitrate == 120 || + sband->bitrates[i].bitrate == 240) { + sband->bitrates[i].flags |= + IEEE80211_RATE_MANDATORY_G; + want--; + } + + if (sband->bitrates[i].bitrate != 10 && + sband->bitrates[i].bitrate != 20 && + sband->bitrates[i].bitrate != 55 && + sband->bitrates[i].bitrate != 110) + sband->bitrates[i].flags |= + IEEE80211_RATE_ERP_G; + } + WARN_ON(want != 0 && want != 3 && want != 6); + break; + case IEEE80211_NUM_BANDS: + WARN_ON(1); + break; + } +} + +void ieee80211_set_bitrate_flags(struct wiphy *wiphy) +{ + enum ieee80211_band band; + + for (band = 0; band < IEEE80211_NUM_BANDS; band++) + if (wiphy->bands[band]) + set_mandatory_flags_band(wiphy->bands[band], band); +} |