diff options
Diffstat (limited to 'package/kernel/mac80211/patches/347-0001-cfg80211-move-function-checking-range-fit-to-util.c.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/347-0001-cfg80211-move-function-checking-range-fit-to-util.c.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/347-0001-cfg80211-move-function-checking-range-fit-to-util.c.patch b/package/kernel/mac80211/patches/347-0001-cfg80211-move-function-checking-range-fit-to-util.c.patch new file mode 100644 index 0000000000..4a50d37b2e --- /dev/null +++ b/package/kernel/mac80211/patches/347-0001-cfg80211-move-function-checking-range-fit-to-util.c.patch @@ -0,0 +1,101 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 4 Jan 2017 18:58:30 +0100 +Subject: [PATCH] cfg80211: move function checking range fit to util.c +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +It is needed for another cfg80211 helper that will be out of reg.c so +move it to common util.c file and make it non-static. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: Johannes Berg <johannes.berg@intel.com> +--- + +--- a/net/wireless/core.h ++++ b/net/wireless/core.h +@@ -429,6 +429,9 @@ int cfg80211_change_iface(struct cfg8021 + void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); + void cfg80211_process_wdev_events(struct wireless_dev *wdev); + ++bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, ++ u32 center_freq_khz, u32 bw_khz); ++ + /** + * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable + * @wiphy: the wiphy to validate against +--- a/net/wireless/reg.c ++++ b/net/wireless/reg.c +@@ -748,21 +748,6 @@ static bool is_valid_rd(const struct iee + return true; + } + +-static bool reg_does_bw_fit(const struct ieee80211_freq_range *freq_range, +- u32 center_freq_khz, u32 bw_khz) +-{ +- u32 start_freq_khz, end_freq_khz; +- +- start_freq_khz = center_freq_khz - (bw_khz/2); +- end_freq_khz = center_freq_khz + (bw_khz/2); +- +- if (start_freq_khz >= freq_range->start_freq_khz && +- end_freq_khz <= freq_range->end_freq_khz) +- return true; +- +- return false; +-} +- + /** + * freq_in_rule_band - tells us if a frequency is in a frequency band + * @freq_range: frequency rule we want to query +@@ -1070,7 +1055,7 @@ freq_reg_info_regd(u32 center_freq, + if (!band_rule_found) + band_rule_found = freq_in_rule_band(fr, center_freq); + +- bw_fits = reg_does_bw_fit(fr, center_freq, bw); ++ bw_fits = cfg80211_does_bw_fit_range(fr, center_freq, bw); + + if (band_rule_found && bw_fits) + return rr; +@@ -1138,11 +1123,13 @@ static uint32_t reg_rule_to_chan_bw_flag + max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); + + /* If we get a reg_rule we can assume that at least 5Mhz fit */ +- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq), +- MHZ_TO_KHZ(10))) ++ if (!cfg80211_does_bw_fit_range(freq_range, ++ MHZ_TO_KHZ(chan->center_freq), ++ MHZ_TO_KHZ(10))) + bw_flags |= IEEE80211_CHAN_NO_10MHZ; +- if (!reg_does_bw_fit(freq_range, MHZ_TO_KHZ(chan->center_freq), +- MHZ_TO_KHZ(20))) ++ if (!cfg80211_does_bw_fit_range(freq_range, ++ MHZ_TO_KHZ(chan->center_freq), ++ MHZ_TO_KHZ(20))) + bw_flags |= IEEE80211_CHAN_NO_20MHZ; + + if (max_bandwidth_khz < MHZ_TO_KHZ(10)) +--- a/net/wireless/util.c ++++ b/net/wireless/util.c +@@ -1788,6 +1788,21 @@ void cfg80211_free_nan_func(struct cfg80 + } + EXPORT_SYMBOL(cfg80211_free_nan_func); + ++bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, ++ u32 center_freq_khz, u32 bw_khz) ++{ ++ u32 start_freq_khz, end_freq_khz; ++ ++ start_freq_khz = center_freq_khz - (bw_khz / 2); ++ end_freq_khz = center_freq_khz + (bw_khz / 2); ++ ++ if (start_freq_khz >= freq_range->start_freq_khz && ++ end_freq_khz <= freq_range->end_freq_khz) ++ return true; ++ ++ return false; ++} ++ + /* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ + /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ + const unsigned char rfc1042_header[] __aligned(2) = |