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Upcoming patches need this to store BSS source type in struct cfg80211_internal_bss. Signed-off-by: Veerendranath Jakkam --- net/wireless/core.h | 6 ++++++ net/wireless/scan.c | 6 +----- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/net/wireless/core.h b/net/wireless/core.h index 41c8c0e3ba2e..eace1800f5de 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -170,6 +170,12 @@ static inline int for_each_rdev_check_rtnl(void) if (for_each_rdev_check_rtnl()) {} else \ list_for_each_entry(rdev, &cfg80211_rdev_list, list) +enum bss_source_type { + BSS_SOURCE_DIRECT = 0, + BSS_SOURCE_MBSSID, + BSS_SOURCE_STA_PROFILE, +}; + struct cfg80211_internal_bss { struct list_head list; struct list_head hidden_list; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index d99319d82205..38541eba386c 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2149,11 +2149,7 @@ struct cfg80211_inform_single_bss_data { const u8 *ie; size_t ielen; - enum { - BSS_SOURCE_DIRECT = 0, - BSS_SOURCE_MBSSID, - BSS_SOURCE_STA_PROFILE, - } bss_source; + enum bss_source_type bss_source; /* Set if reporting bss_source != BSS_SOURCE_DIRECT */ struct cfg80211_bss *source_bss; u8 max_bssid_indicator; From patchwork Wed Sep 4 03:09:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veerendranath Jakkam X-Patchwork-Id: 13789623 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1ED14A15 for ; Wed, 4 Sep 2024 03:09:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725419386; cv=none; b=j/sK/UHlHruaslciVHNe5lCkcniR2P1FBvwy1Fm9o7I/vW5yn/+mubWTCLhtsNHfSauYTXHzpFOUHLXsxZ9wKEDkNVQGTTL2fPwlAZcLCcqZ8Sg3N1rC6Uur+n8JTvqwFdZXWK4fDRKEEHNpH8dhwPnKU6mjH1hePvCO+b5lDck= ARC-Message-Signature: i=1; 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Wed, 4 Sep 2024 03:09:39 GMT Received: from hu-vjakkam-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 3 Sep 2024 20:09:37 -0700 From: Veerendranath Jakkam To: CC: , Subject: [PATCH v2 2/3] wifi: cfg80211: skip indicating signal for per-STA profile BSSs Date: Wed, 4 Sep 2024 08:39:16 +0530 Message-ID: <20240904030917.3602369-3-quic_vjakkam@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240904030917.3602369-1-quic_vjakkam@quicinc.com> References: <20240904030917.3602369-1-quic_vjakkam@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: tPVOaBrLf5CVJdG1_7PfEbNC4GEL8RNV X-Proofpoint-ORIG-GUID: tPVOaBrLf5CVJdG1_7PfEbNC4GEL8RNV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-04_01,2024-09-03_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 clxscore=1015 suspectscore=0 phishscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 spamscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2409040021 Currently signal of the BSS entry generated from the per-STA profile indicated as zero, but userspace may consider it as high signal strength since 0 dBm is a valid RSSI value. To avoid this don't report the signal to userspace when the BSS entry created from a per-STA profile. Signed-off-by: Veerendranath Jakkam --- net/wireless/core.h | 2 ++ net/wireless/nl80211.c | 26 +++++++++++++++----------- net/wireless/scan.c | 2 ++ 3 files changed, 19 insertions(+), 11 deletions(-) diff --git a/net/wireless/core.h b/net/wireless/core.h index eace1800f5de..3b3e3cd7027a 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -197,6 +197,8 @@ struct cfg80211_internal_bss { */ u8 parent_bssid[ETH_ALEN] __aligned(2); + enum bss_source_type bss_source; + /* must be last because of priv member */ struct cfg80211_bss pub; }; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b368e23847dd..3a11a1a74a54 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10507,17 +10507,21 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, NL80211_BSS_CHAIN_SIGNAL)) goto nla_put_failure; - switch (rdev->wiphy.signal_type) { - case CFG80211_SIGNAL_TYPE_MBM: - if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) - goto nla_put_failure; - break; - case CFG80211_SIGNAL_TYPE_UNSPEC: - if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) - goto nla_put_failure; - break; - default: - break; + if (intbss->bss_source != BSS_SOURCE_STA_PROFILE) { + switch (rdev->wiphy.signal_type) { + case CFG80211_SIGNAL_TYPE_MBM: + if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, + res->signal)) + goto nla_put_failure; + break; + case CFG80211_SIGNAL_TYPE_UNSPEC: + if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, + res->signal)) + goto nla_put_failure; + break; + default: + break; + } } switch (wdev->iftype) { diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 38541eba386c..f280e0371d6d 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1910,6 +1910,7 @@ cfg80211_update_known_bss(struct cfg80211_registered_device *rdev, known->pub.bssid_index = new->pub.bssid_index; known->pub.use_for &= new->pub.use_for; known->pub.cannot_use_reasons = new->pub.cannot_use_reasons; + known->bss_source = new->bss_source; return true; 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Signed-off-by: Veerendranath Jakkam --- net/wireless/scan.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index f280e0371d6d..eab12dc67a51 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2905,6 +2905,9 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy, struct element *reporter_rnr = NULL; struct ieee80211_multi_link_elem *ml_elem; struct cfg80211_mle *mle; + const struct element *ssid_elem; + const u8 *ssid = NULL; + size_t ssid_len = 0; u16 control; u8 ml_common_len; u8 *new_ie = NULL; @@ -2959,6 +2962,13 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy, bss_change_count, gfp); + ssid_elem = cfg80211_find_elem(WLAN_EID_SSID, tx_data->ie, + tx_data->ielen); + if (ssid_elem) { + ssid = ssid_elem->data; + ssid_len = ssid_elem->datalen; + } + for (i = 0; i < ARRAY_SIZE(mle->sta_prof) && mle->sta_prof[i]; i++) { const struct ieee80211_neighbor_ap_info *ap_info; enum nl80211_band band; @@ -3040,6 +3050,23 @@ cfg80211_parse_ml_elem_sta_data(struct wiphy *wiphy, freq = ieee80211_channel_to_freq_khz(ap_info->channel, band); data.channel = ieee80211_get_channel_khz(wiphy, freq); + /* Skip if BSS entry generated from MBSSID or DIRECT source + * frame data available already. + */ + bss = cfg80211_get_bss(wiphy, data.channel, data.bssid, ssid, + ssid_len, IEEE80211_BSS_TYPE_ANY, + IEEE80211_PRIVACY_ANY); + if (bss) { + struct cfg80211_internal_bss *ibss = bss_from_pub(bss); + + if (data.capability == bss->capability && + ibss->bss_source != BSS_SOURCE_STA_PROFILE) { + cfg80211_put_bss(wiphy, bss); + continue; + } + cfg80211_put_bss(wiphy, bss); + } + if (use_for == NL80211_BSS_USE_FOR_MLD_LINK && !(wiphy->flags & WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY)) { use_for = 0;