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author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-01-22 23:05:45 (GMT) |
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committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 21:01:14 (GMT) |
commit | 34f573473a659f8c2727d8d408e17b241900c28e (patch) | |
tree | eac19f7cdfb2f26b956d0fe4dc488de5eeec0c6b /include/net/wireless.h | |
parent | 1fa25e413659f943dfec65da2abe713d566c7fdf (diff) | |
download | linux-fsl-qoriq-34f573473a659f8c2727d8d408e17b241900c28e.tar.xz |
cfg80211: export freq_reg_info()
This can be used by drivers on the reg_notifier()
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/net/wireless.h')
-rw-r--r-- | include/net/wireless.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/net/wireless.h b/include/net/wireless.h index c5538b9..f68602e 100644 --- a/include/net/wireless.h +++ b/include/net/wireless.h @@ -418,4 +418,28 @@ extern void wiphy_apply_custom_regulatory( struct wiphy *wiphy, const struct ieee80211_regdomain *regd); +/** + * freq_reg_info - get regulatory information for the given frequency + * @wiphy: the wiphy for which we want to process this rule for + * @center_freq: Frequency in KHz for which we want regulatory information for + * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one + * you can set this to 0. If this frequency is allowed we then set + * this value to the maximum allowed bandwidth. + * @reg_rule: the regulatory rule which we have for this frequency + * + * Use this function to get the regulatory rule for a specific frequency on + * a given wireless device. If the device has a specific regulatory domain + * it wants to follow we respect that unless a country IE has been received + * and processed already. + * + * Returns 0 if it was able to find a valid regulatory rule which does + * apply to the given center_freq otherwise it returns non-zero. It will + * also return -ERANGE if we determine the given center_freq does not even have + * a regulatory rule for a frequency range in the center_freq's band. See + * freq_in_rule_band() for our current definition of a band -- this is purely + * subjective and right now its 802.11 specific. + */ +extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth, + const struct ieee80211_reg_rule **reg_rule); + #endif /* __NET_WIRELESS_H */ |