From patchwork Mon May 20 11:02:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Crispin X-Patchwork-Id: 10950903 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BB15F1922 for ; Mon, 20 May 2019 11:02:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A87BB287DC for ; Mon, 20 May 2019 11:02:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9CB92287DE; Mon, 20 May 2019 11:02:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 187A5287E5 for ; 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Mon, 20 May 2019 11:02:18 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSg3a-0007Ic-5C for ath11k@lists.infradead.org; Mon, 20 May 2019 11:02:16 +0000 Received: from p548c87ba.dip0.t-ipconnect.de ([84.140.135.186] helo=bertha.datto.lan) by ds12 with esmtpa (Exim 4.89) (envelope-from ) id 1hSg3X-0003rt-MW; Mon, 20 May 2019 13:02:11 +0200 From: John Crispin To: Johannes Berg , Kalle Valo Subject: [PATCH 5/7] mac80211: HE: allow setting spatial reuse parameters when bringing up an AP Date: Mon, 20 May 2019 13:02:02 +0200 Message-Id: <20190520110204.27588-6-john@phrozen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190520110204.27588-1-john@phrozen.org> References: <20190520110204.27588-1-john@phrozen.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_040214_353795_E5F906EF X-CRM114-Status: GOOD ( 15.89 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shashidhar Lakkavalli , linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, John Crispin Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Shashidhar Lakkavalli Signed-off-by: John Crispin --- include/net/cfg80211.h | 15 +++++++++++++ include/net/mac80211.h | 4 ++++ include/uapi/linux/nl80211.h | 27 +++++++++++++++++++++++ net/mac80211/cfg.c | 5 ++++- net/wireless/nl80211.c | 42 ++++++++++++++++++++++++++++++++++++ 5 files changed, 92 insertions(+), 1 deletion(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 044c519a008f..3f67f01b5f7a 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -249,6 +249,19 @@ struct ieee80211_rate { u16 hw_value, hw_value_short; }; +/** + * struct ieee80211_he_obss_pd - AP settings for spatial reuse + * + * @enable: is the feature enabled. + * @min_offset: minimal tx power offset an associated station shall use + * @max_offset: maximum tx power offset an associated station shall use + */ +struct ieee80211_he_obss_pd { + bool enable; + u32 min_offset; + u32 max_offset; +}; + /** * struct ieee80211_sta_ht_cap - STA's HT capabilities * @@ -878,6 +891,7 @@ enum cfg80211_ap_settings_flags { * @vht_required: stations must support VHT * @twt_responder: Enable Target Wait Time * @flags: flags, as defined in enum cfg80211_ap_settings_flags + * @he_obss_pd: OBSS Packet Detection settings */ struct cfg80211_ap_settings { struct cfg80211_chan_def chandef; @@ -905,6 +919,7 @@ struct cfg80211_ap_settings { bool ht_required, vht_required; bool twt_responder; u32 flags; + struct ieee80211_he_obss_pd he_obss_pd; }; /** diff --git a/include/net/mac80211.h b/include/net/mac80211.h index a8e2381c9954..d81eea9140e5 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -318,6 +318,7 @@ struct ieee80211_vif_chanctx_switch { * @BSS_CHANGED_FTM_RESPONDER: fime timing reasurement request responder * functionality changed for this BSS (AP mode). * @BSS_CHANGED_TWT: TWT status changed + * @BSS_CHANGED_HE_OBSS_PD: OBSS Packet Detection status changed. * */ enum ieee80211_bss_change { @@ -349,6 +350,7 @@ enum ieee80211_bss_change { BSS_CHANGED_MCAST_RATE = 1<<25, BSS_CHANGED_FTM_RESPONDER = 1<<26, BSS_CHANGED_TWT = 1<<27, + BSS_CHANGED_HE_OBSS_PD = 1<<28, /* when adding here, make sure to change ieee80211_reconfig */ }; @@ -603,6 +605,7 @@ struct ieee80211_ftm_responder_params { * nontransmitted BSSIDs * @profile_periodicity: the least number of beacon frames need to be received * in order to discover all the nontransmitted BSSIDs in the set. + * @he_obss_pd: OBSS Packet Detection parameters. */ struct ieee80211_bss_conf { const u8 *bssid; @@ -664,6 +667,7 @@ struct ieee80211_bss_conf { u8 bssid_indicator; bool ema_ap; u8 profile_periodicity; + struct ieee80211_he_obss_pd he_obss_pd; }; /** diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 07d3f1949f96..78f3326ae0ea 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2310,6 +2310,9 @@ enum nl80211_commands { * * @NL80211_ATTR_TWT_RESPONDER: Enable target wait time responder support. * + * @NL80211_ATTR_HE_OBSS_PD: nested attribute for OBSS Packet Detection + * functionality. + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2763,6 +2766,8 @@ enum nl80211_attrs { NL80211_ATTR_TWT_RESPONDER, + NL80211_ATTR_HE_OBSS_PD, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -6390,4 +6395,26 @@ enum nl80211_peer_measurement_ftm_resp { NL80211_PMSR_FTM_RESP_ATTR_MAX = NUM_NL80211_PMSR_FTM_RESP_ATTR - 1 }; +/** + * enum nl80211_he_spr - spatial reuse attributes + * @__NL80211_HE_OBSS_PD_ATTR_INVALID: Invalid + * + * @NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET: the OBSS PD minimum tx power offset. + * @NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET: the OBSS PD maximum tx power offset. + * + * @__NL80211_HE_OBSS_PD_ATTR_LAST: Internal + * @NL80211_HE_OBSS_PD_ATTR_MAX: highest spiatl reuse attribute. + */ +enum nl80211_he_spr_attributes { + __NL80211_HE_OBSS_PD_ATTR_INVALID, + + NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET, + NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET, + + /* keep last */ + __NL80211_ATTR_HE_OBSS_PD_LAST, + NL80211_HE_OBSS_PD_ATTR_MAX = __NL80211_ATTR_HE_OBSS_PD_LAST - 1, +}; + + #endif /* __LINUX_NL80211_H */ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8be2f32fedfc..742b62187a4c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -940,7 +940,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, BSS_CHANGED_SSID | BSS_CHANGED_P2P_PS | BSS_CHANGED_TXPOWER | - BSS_CHANGED_TWT; + BSS_CHANGED_TWT | + BSS_CHANGED_HE_OBSS_PD; int err; int prev_beacon_int; @@ -1011,6 +1012,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, sdata->vif.bss_conf.enable_beacon = true; sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p; sdata->vif.bss_conf.twt_responder = params->twt_responder; + memcpy(&sdata->vif.bss_conf.he_obss_pd, ¶ms->he_obss_pd, + sizeof(struct ieee80211_he_obss_pd)); sdata->vif.bss_conf.ssid_len = params->ssid_len; if (params->ssid_len) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b4dbb6b56853..266636ce3803 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -542,6 +542,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { NLA_POLICY_NESTED(nl80211_pmsr_attr_policy), [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1), [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG }, + [NL80211_ATTR_HE_OBSS_PD] = { .type = NLA_NESTED }, }; /* policy for the key attributes */ @@ -4253,6 +4254,40 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev, return 0; } +static const struct nla_policy + he_spr_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = { + [NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET] = { .type = NLA_U32 }, + [NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET] = { .type = NLA_U32 }, +}; + +static int nl80211_parse_he_obss_pd(struct nlattr *attrs, + struct ieee80211_he_obss_pd *he_obss_pd) +{ + struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs, + he_spr_policy, NULL); + if (err) + return err; + + if (!tb[NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET] || + !tb[NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET]) + return -EINVAL; + + he_obss_pd->min_offset = + nla_get_u32(tb[NL80211_ATTR_HE_OBSS_PD_MIN_OFFSET]); + he_obss_pd->max_offset = + nla_get_u32(tb[NL80211_ATTR_HE_OBSS_PD_MAX_OFFSET]); + + if (he_obss_pd->min_offset >= he_obss_pd->max_offset) + return -EINVAL; + + he_obss_pd->enable = true; + + return 0; +} + static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, const u8 *rates) { @@ -4536,6 +4571,13 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) params.twt_responder = nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]); + if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) { + err = nl80211_parse_he_obss_pd(info->attrs[NL80211_ATTR_HE_OBSS_PD], + ¶ms.he_obss_pd); + if (err) + return err; + } + nl80211_calculate_ap_params(¶ms); if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])