From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail26.static.mailgun.info ([104.130.122.26]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXD7X-00071T-FN for ath11k@lists.infradead.org; Sat, 09 May 2020 00:13:39 +0000 From: Rajkumar Manoharan Subject: [PATCH v3 01/11] cfg80211: use only HE capability to set prohibited flags in 6 GHz Date: Fri, 8 May 2020 17:12:55 -0700 Message-Id: <1588983185-5741-1-git-send-email-rmanohar@codeaurora.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+kvalo=adurom.com@lists.infradead.org To: johannes@sipsolutions.net, kvalo@codeaurora.org Cc: Vamsi Krishna , linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, Rajkumar Manoharan The prohibited flags to determine whether configured bandwidth is supported by driver are validated only against HT and VHT capability. In 6 GHz band, Only HE capability should be validated to find out given chandef is usable. Co-developed-by: Vamsi Krishna Signed-off-by: Vamsi Krishna Signed-off-by: Rajkumar Manoharan --- net/wireless/chan.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 50 insertions(+), 4 deletions(-) diff --git a/net/wireless/chan.c b/net/wireless/chan.c index fcac5c6366e1..582b487576e1 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -19,6 +19,11 @@ static bool cfg80211_valid_60g_freq(u32 freq) return freq >= 58320 && freq <= 70200; } +static bool cfg80211_is_6ghz_freq(u32 freq) +{ + return (freq > 5940 && freq < 7105); +} + void cfg80211_chandef_create(struct cfg80211_chan_def *chandef, struct ieee80211_channel *chan, enum nl80211_channel_type chan_type) @@ -882,6 +887,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, struct ieee80211_sta_ht_cap *ht_cap; struct ieee80211_sta_vht_cap *vht_cap; struct ieee80211_edmg *edmg_cap; + const struct ieee80211_sta_he_cap *he_cap; u32 width, control_freq, cap; if (WARN_ON(!cfg80211_chandef_valid(chandef))) @@ -890,6 +896,7 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, ht_cap = &wiphy->bands[chandef->chan->band]->ht_cap; vht_cap = &wiphy->bands[chandef->chan->band]->vht_cap; edmg_cap = &wiphy->bands[chandef->chan->band]->edmg_cap; + he_cap = ieee80211_get_he_sta_cap(wiphy->bands[chandef->chan->band]); if (edmg_cap->channels && !cfg80211_edmg_usable(wiphy, @@ -919,6 +926,16 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, break; case NL80211_CHAN_WIDTH_40: width = 40; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) + return false; + break; + } if (!ht_cap->ht_supported) return false; if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) || @@ -933,24 +950,53 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy, break; case NL80211_CHAN_WIDTH_80P80: cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; - if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) + if (!cfg80211_is_6ghz_freq(chandef->center_freq1) && + cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) + return false; + } /* fall through */ case NL80211_CHAN_WIDTH_80: - if (!vht_cap->vht_supported) + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) + return false; + } else if (!vht_cap->vht_supported) { return false; + } prohibited_flags |= IEEE80211_CHAN_NO_80MHZ; width = 80; break; case NL80211_CHAN_WIDTH_160: + prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; + width = 160; + if (cfg80211_is_6ghz_freq(chandef->center_freq1)) { + if (!he_cap) + return false; + if (!he_cap->has_he_6ghz) + return false; + if (!(he_cap->he_cap_elem.phy_cap_info[0] & + IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)) + return false; + break; + } if (!vht_cap->vht_supported) return false; cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK; if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ && cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ) return false; - prohibited_flags |= IEEE80211_CHAN_NO_160MHZ; - width = 160; break; default: WARN_ON_ONCE(1); -- 2.7.4 _______________________________________________ ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k