[PATCH v4 4/6] cfg80211: save power spectral density(psd) of regulatory rule
From: Wen Gong <hidden>
Date: 2021-09-24 10:01:31
Also in:
ath11k
Subsystem:
802.11 (including cfg80211/nl80211), the rest · Maintainers:
Johannes Berg, Linus Torvalds
The power spectral density(psd) of regulatory rule should be take effect to the channels. This patch is to save the values to the channel which has psd value. Signed-off-by: Wen Gong <redacted> --- net/wireless/reg.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index df87c7f3a049..8f765befb9bc 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c@@ -1590,6 +1590,8 @@ static u32 map_regdom_flags(u32 rd_flags) channel_flags |= IEEE80211_CHAN_NO_160MHZ; if (rd_flags & NL80211_RRF_NO_HE) channel_flags |= IEEE80211_CHAN_NO_HE; + if (rd_flags & NL80211_RRF_PSD) + channel_flags |= IEEE80211_CHAN_PSD; return channel_flags; }
@@ -1794,6 +1796,9 @@ static void handle_channel_single_rule(struct wiphy *wiphy, chan->dfs_cac_ms = reg_rule->dfs_cac_ms; } + if (chan->flags & IEEE80211_CHAN_PSD) + chan->psd = reg_rule->psd; + return; }
@@ -1814,6 +1819,9 @@ static void handle_channel_single_rule(struct wiphy *wiphy, chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; } + if (chan->flags & IEEE80211_CHAN_PSD) + chan->psd = reg_rule->psd; + if (chan->orig_mpwr) { /* * Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
@@ -1883,6 +1891,12 @@ static void handle_channel_adjacent_rules(struct wiphy *wiphy, rrule2->dfs_cac_ms); } + if ((rrule1->flags & NL80211_RRF_PSD) && + (rrule2->flags & NL80211_RRF_PSD)) + chan->psd = min_t(s8, rrule1->psd, rrule2->psd); + else + chan->flags &= ~NL80211_RRF_PSD; + return; }
@@ -2540,6 +2554,9 @@ static void handle_channel_custom(struct wiphy *wiphy, chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; } + if (chan->flags & IEEE80211_CHAN_PSD) + chan->psd = reg_rule->psd; + chan->max_power = chan->max_reg_power; }
--
2.31.1