From patchwork Thu Nov 21 15:58:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 844899 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4A4FE1A0BD7 for ; Thu, 21 Nov 2024 15:58:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732204697; cv=none; b=mICZbVKTOjRGkIhGRNqARx2I/LgmMVO8xPUJ3XEBWbMcajqxiMKAepoU+XwuYADNxxyjvTyoJFZ8OcZrOEk5q2M7av96XLvvS/3eUDmRlRt5h1HXkn/BUnjgwWdjBUV/MtNdpaoTB3/Lmh5nkglL9Hh9T3m7LT1/ZO4rw6eTgkE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732204697; c=relaxed/simple; bh=7Ql0xvDm5a92kHRwPT5YsirPmnuClmjg7fHf2IquaWM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=rYbfRirldgzToc3jwZwenXWLcdt4D6RApIS2YqK8722UHWvzgidlHmalsHvvxqTY1zxdeoWrHS3FvXpXDbo8WQhEYUBbcwPLQzsPl1D4QUEFgxbGzlV4qP6yOxyimyMIs4VZQEDX9z7pcuZgxJG6jC2dmrr/E2Dgl2dP7ZAOACc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=baD9WWv6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="baD9WWv6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A1B1C4CECD; Thu, 21 Nov 2024 15:58:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732204696; bh=7Ql0xvDm5a92kHRwPT5YsirPmnuClmjg7fHf2IquaWM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=baD9WWv6Mzz1IJfw5PTY4z7NPosB6tsUtrgofw7QWvzGDiFCgJt1hc3SoTjdwu26G mQY3GOiB0rBuQtfNgI5RvvUjK96NTaPXBJdnKrlr+jgCu+AWVDr/V0VbamyOXRNzvF mzhR4JwM6QyWk/a7NEqaix+sZsbts3hlh7yqjuXA/tDCQ7TReo9uR0GQOsX8AZyAFT vtJP3cTPKV5pdYkIoj/QXI7nGvFVdwl3A0HnDlPnlqYz8eVvziWja7kTS91B9bOmHt 5Pw+SJIi1LVh+SetQzTkg27DT8ttgexnUPrgN2lfmXKuWxFkCsIoATNj4WTFh1BTT7 UWJ62ObmUUKBw== From: Kalle Valo To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH 8/8] wifi: ath12k: Use mac80211 sta's link_sta instead of deflink Date: Thu, 21 Nov 2024 17:58:06 +0200 Message-Id: <20241121155806.1862733-9-kvalo@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241121155806.1862733-1-kvalo@kernel.org> References: <20241121155806.1862733-1-kvalo@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Sriram R Currently mac80211's struct ieee80211_sta deflink is used to fetch any sta related configurations in driver. With MLO multiple link sta's (struct ieee80211_link_sta) are affiliated to an ML sta and corresponding link configs are present in sta->link[]. Fetch link sta of corresponding link from ML sta and use the same for configurations. Add ath12k_get_link_sta() helper to fetch ieee80211_link_sta from arsta. But as ath12k_mac_op_sta_rc_update() is called in atomic context the helper cannot be used and instead rcu_dereference() has to be called directly. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Sriram R Co-developed-by: Rameshkumar Sundaram Signed-off-by: Rameshkumar Sundaram Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath12k/mac.c | 292 ++++++++++++++++++-------- 1 file changed, 209 insertions(+), 83 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 827a1700e8ba..60702bf07141 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -519,6 +519,23 @@ ath12k_mac_get_link_bss_conf(struct ath12k_link_vif *arvif) return link_conf; } +static struct ieee80211_link_sta *ath12k_mac_get_link_sta(struct ath12k_link_sta *arsta) +{ + struct ath12k_sta *ahsta = arsta->ahsta; + struct ieee80211_sta *sta = ath12k_ahsta_to_sta(ahsta); + struct ieee80211_link_sta *link_sta; + + lockdep_assert_wiphy(ahsta->ahvif->ah->hw->wiphy); + + if (arsta->link_id >= IEEE80211_MLD_MAX_NUM_LINKS) + return NULL; + + link_sta = wiphy_dereference(ahsta->ahvif->ah->hw->wiphy, + sta->link[arsta->link_id]); + + return link_sta; +} + static bool ath12k_mac_bitrate_is_cck(int bitrate) { switch (bitrate) { @@ -1902,6 +1919,7 @@ static void ath12k_peer_assoc_h_rates(struct ath12k *ar, struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); struct wmi_rate_set_arg *rateset = &arg->peer_legacy_rates; + struct ieee80211_link_sta *link_sta; struct cfg80211_chan_def def; const struct ieee80211_supported_band *sband; const struct ieee80211_rate *rates; @@ -1916,9 +1934,16 @@ static void ath12k_peer_assoc_h_rates(struct ath12k *ar, if (WARN_ON(ath12k_mac_vif_link_chan(vif, arvif->link_id, &def))) return; + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc rates for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + band = def.chan->band; sband = hw->wiphy->bands[band]; - ratemask = sta->deflink.supp_rates[band]; + ratemask = link_sta->supp_rates[band]; ratemask &= arvif->bitrate_mask.control[band].legacy; rates = sband->bitrates; @@ -1965,7 +1990,8 @@ static void ath12k_peer_assoc_h_ht(struct ath12k *ar, { struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; + const struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_link_sta *link_sta; struct cfg80211_chan_def def; enum nl80211_band band; const u8 *ht_mcs_mask; @@ -1978,6 +2004,14 @@ static void ath12k_peer_assoc_h_ht(struct ath12k *ar, if (WARN_ON(ath12k_mac_vif_link_chan(vif, arvif->link_id, &def))) return; + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc ht for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + ht_cap = &link_sta->ht_cap; if (!ht_cap->ht_supported) return; @@ -2001,7 +2035,7 @@ static void ath12k_peer_assoc_h_ht(struct ath12k *ar, if (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING) arg->ldpc_flag = true; - if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) { + if (link_sta->bandwidth >= IEEE80211_STA_RX_BW_40) { arg->bw_40 = true; arg->peer_rate_caps |= WMI_HOST_RC_CW40_FLAG; } @@ -2051,7 +2085,7 @@ static void ath12k_peer_assoc_h_ht(struct ath12k *ar, arg->peer_ht_rates.rates[i] = i; } else { arg->peer_ht_rates.num_rates = n; - arg->peer_nss = min(sta->deflink.rx_nss, max_nss); + arg->peer_nss = min(link_sta->rx_nss, max_nss); } ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n", @@ -2127,7 +2161,8 @@ static void ath12k_peer_assoc_h_vht(struct ath12k *ar, { struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; + const struct ieee80211_sta_vht_cap *vht_cap; + struct ieee80211_link_sta *link_sta; struct cfg80211_chan_def def; enum nl80211_band band; const u16 *vht_mcs_mask; @@ -2141,6 +2176,14 @@ static void ath12k_peer_assoc_h_vht(struct ath12k *ar, if (WARN_ON(ath12k_mac_vif_link_chan(vif, arvif->link_id, &def))) return; + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc vht for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + vht_cap = &link_sta->vht_cap; if (!vht_cap->vht_supported) return; @@ -2173,10 +2216,10 @@ static void ath12k_peer_assoc_h_vht(struct ath12k *ar, (1U << (IEEE80211_HT_MAX_AMPDU_FACTOR + ampdu_factor)) - 1); - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) arg->bw_80 = true; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160) arg->bw_160 = true; /* Calculate peer NSS capability from VHT capabilities if STA @@ -2190,7 +2233,7 @@ static void ath12k_peer_assoc_h_vht(struct ath12k *ar, vht_mcs_mask[i]) max_nss = i + 1; } - arg->peer_nss = min(sta->deflink.rx_nss, max_nss); + arg->peer_nss = min(link_sta->rx_nss, max_nss); arg->rx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.rx_highest); arg->rx_mcs_set = __le16_to_cpu(vht_cap->vht_mcs.rx_mcs_map); arg->tx_max_rate = __le16_to_cpu(vht_cap->vht_mcs.tx_highest); @@ -2225,8 +2268,9 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, { struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; + const struct ieee80211_sta_he_cap *he_cap; struct ieee80211_bss_conf *link_conf; + struct ieee80211_link_sta *link_sta; int i; u8 ampdu_factor, max_nss; u8 rx_mcs_80 = IEEE80211_HE_MCS_NOT_SUPPORTED; @@ -2242,6 +2286,14 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, return; } + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc he for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + he_cap = &link_sta->he_cap; if (!he_cap->has_he) return; @@ -2279,7 +2331,7 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, else max_nss = rx_mcs_80; - arg->peer_nss = min(sta->deflink.rx_nss, max_nss); + arg->peer_nss = min(link_sta->rx_nss, max_nss); memcpy(&arg->peer_he_cap_macinfo, he_cap->he_cap_elem.mac_cap_info, sizeof(he_cap->he_cap_elem.mac_cap_info)); @@ -2306,10 +2358,10 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK); if (ampdu_factor) { - if (sta->deflink.vht_cap.vht_supported) + if (link_sta->vht_cap.vht_supported) arg->peer_max_mpdu = (1 << (IEEE80211_HE_VHT_MAX_AMPDU_FACTOR + ampdu_factor)) - 1; - else if (sta->deflink.ht_cap.ht_supported) + else if (link_sta->ht_cap.ht_supported) arg->peer_max_mpdu = (1 << (IEEE80211_HE_HT_MAX_AMPDU_FACTOR + ampdu_factor)) - 1; } @@ -2350,7 +2402,7 @@ static void ath12k_peer_assoc_h_he(struct ath12k *ar, if (he_cap->he_cap_elem.mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_TWT_REQ) arg->twt_requester = true; - switch (sta->deflink.bandwidth) { + switch (link_sta->bandwidth) { case IEEE80211_STA_RX_BW_160: if (he_cap->he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) { @@ -2390,7 +2442,8 @@ static void ath12k_peer_assoc_h_he_6ghz(struct ath12k *ar, { struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_link_sta *link_sta; struct cfg80211_chan_def def; enum nl80211_band band; u8 ampdu_factor, mpdu_density; @@ -2400,22 +2453,31 @@ static void ath12k_peer_assoc_h_he_6ghz(struct ath12k *ar, band = def.chan->band; - if (!arg->he_flag || band != NL80211_BAND_6GHZ || !sta->deflink.he_6ghz_capa.capa) + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc he 6ghz for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + he_cap = &link_sta->he_cap; + + if (!arg->he_flag || band != NL80211_BAND_6GHZ || !link_sta->he_6ghz_capa.capa) return; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) arg->bw_40 = true; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) arg->bw_80 = true; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160) arg->bw_160 = true; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_320) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_320) arg->bw_320 = true; - arg->peer_he_caps_6ghz = le16_to_cpu(sta->deflink.he_6ghz_capa.capa); + arg->peer_he_caps_6ghz = le16_to_cpu(link_sta->he_6ghz_capa.capa); mpdu_density = u32_get_bits(arg->peer_he_caps_6ghz, IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START); @@ -2459,10 +2521,23 @@ static void ath12k_peer_assoc_h_smps(struct ath12k_link_sta *arsta, struct ath12k_wmi_peer_assoc_arg *arg) { struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_he_6ghz_capa *he_6ghz_capa = &sta->deflink.he_6ghz_capa; - const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; + const struct ieee80211_he_6ghz_capa *he_6ghz_capa; + struct ath12k_link_vif *arvif = arsta->arvif; + const struct ieee80211_sta_ht_cap *ht_cap; + struct ieee80211_link_sta *link_sta; + struct ath12k *ar = arvif->ar; int smps; + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc he for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + he_6ghz_capa = &link_sta->he_6ghz_capa; + ht_cap = &link_sta->ht_cap; + if (!ht_cap->ht_supported && !he_6ghz_capa->capa) return; @@ -2588,17 +2663,17 @@ static int ath12k_peer_assoc_qos_ap(struct ath12k *ar, return ret; } -static bool ath12k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta) +static bool ath12k_mac_sta_has_ofdm_only(struct ieee80211_link_sta *sta) { - return sta->deflink.supp_rates[NL80211_BAND_2GHZ] >> + return sta->supp_rates[NL80211_BAND_2GHZ] >> ATH12K_MAC_FIRST_OFDM_RATE_IDX; } static enum wmi_phy_mode ath12k_mac_get_phymode_vht(struct ath12k *ar, - struct ieee80211_sta *sta) + struct ieee80211_link_sta *link_sta) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { - switch (sta->deflink.vht_cap.cap & + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160) { + switch (link_sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) { case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ: return MODE_11AC_VHT160; @@ -2610,74 +2685,74 @@ static enum wmi_phy_mode ath12k_mac_get_phymode_vht(struct ath12k *ar, } } - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) return MODE_11AC_VHT80; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) return MODE_11AC_VHT40; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_20) return MODE_11AC_VHT20; return MODE_UNKNOWN; } static enum wmi_phy_mode ath12k_mac_get_phymode_he(struct ath12k *ar, - struct ieee80211_sta *sta) + struct ieee80211_link_sta *link_sta) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { - if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160) { + if (link_sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) return MODE_11AX_HE160; - else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & + else if (link_sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) return MODE_11AX_HE80_80; /* not sure if this is a valid case? */ return MODE_11AX_HE160; } - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) return MODE_11AX_HE80; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) return MODE_11AX_HE40; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_20) return MODE_11AX_HE20; return MODE_UNKNOWN; } static enum wmi_phy_mode ath12k_mac_get_phymode_eht(struct ath12k *ar, - struct ieee80211_sta *sta) + struct ieee80211_link_sta *link_sta) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_320) - if (sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[0] & + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_320) + if (link_sta->eht_cap.eht_cap_elem.phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) return MODE_11BE_EHT320; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_160) { - if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_160) { + if (link_sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) return MODE_11BE_EHT160; - if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[0] & + if (link_sta->he_cap.he_cap_elem.phy_cap_info[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) return MODE_11BE_EHT80_80; ath12k_warn(ar->ab, "invalid EHT PHY capability info for 160 Mhz: %d\n", - sta->deflink.he_cap.he_cap_elem.phy_cap_info[0]); + link_sta->he_cap.he_cap_elem.phy_cap_info[0]); return MODE_11BE_EHT160; } - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) return MODE_11BE_EHT80; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) return MODE_11BE_EHT40; - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_20) return MODE_11BE_EHT20; return MODE_UNKNOWN; @@ -2688,6 +2763,7 @@ static void ath12k_peer_assoc_h_phymode(struct ath12k *ar, struct ath12k_link_sta *arsta, struct ath12k_wmi_peer_assoc_arg *arg) { + struct ieee80211_link_sta *link_sta; struct cfg80211_chan_def def; enum nl80211_band band; const u8 *ht_mcs_mask; @@ -2706,33 +2782,40 @@ static void ath12k_peer_assoc_h_phymode(struct ath12k *ar, ht_mcs_mask = arvif->bitrate_mask.control[band].ht_mcs; vht_mcs_mask = arvif->bitrate_mask.control[band].vht_mcs; + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc he for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + switch (band) { case NL80211_BAND_2GHZ: - if (sta->deflink.eht_cap.has_eht) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->eht_cap.has_eht) { + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11BE_EHT40_2G; else phymode = MODE_11BE_EHT20_2G; - } else if (sta->deflink.he_cap.has_he) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_80) + } else if (link_sta->he_cap.has_he) { + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_80) phymode = MODE_11AX_HE80_2G; - else if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + else if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11AX_HE40_2G; else phymode = MODE_11AX_HE20_2G; - } else if (sta->deflink.vht_cap.vht_supported && + } else if (link_sta->vht_cap.vht_supported && !ath12k_peer_assoc_h_vht_masked(vht_mcs_mask)) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11AC_VHT40; else phymode = MODE_11AC_VHT20; - } else if (sta->deflink.ht_cap.ht_supported && + } else if (link_sta->ht_cap.ht_supported && !ath12k_peer_assoc_h_ht_masked(ht_mcs_mask)) { - if (sta->deflink.bandwidth == IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth == IEEE80211_STA_RX_BW_40) phymode = MODE_11NG_HT40; else phymode = MODE_11NG_HT20; - } else if (ath12k_mac_sta_has_ofdm_only(sta)) { + } else if (ath12k_mac_sta_has_ofdm_only(link_sta)) { phymode = MODE_11G; } else { phymode = MODE_11B; @@ -2741,16 +2824,16 @@ static void ath12k_peer_assoc_h_phymode(struct ath12k *ar, case NL80211_BAND_5GHZ: case NL80211_BAND_6GHZ: /* Check EHT first */ - if (sta->deflink.eht_cap.has_eht) { - phymode = ath12k_mac_get_phymode_eht(ar, sta); - } else if (sta->deflink.he_cap.has_he) { - phymode = ath12k_mac_get_phymode_he(ar, sta); - } else if (sta->deflink.vht_cap.vht_supported && + if (link_sta->eht_cap.has_eht) { + phymode = ath12k_mac_get_phymode_eht(ar, link_sta); + } else if (link_sta->he_cap.has_he) { + phymode = ath12k_mac_get_phymode_he(ar, link_sta); + } else if (link_sta->vht_cap.vht_supported && !ath12k_peer_assoc_h_vht_masked(vht_mcs_mask)) { - phymode = ath12k_mac_get_phymode_vht(ar, sta); - } else if (sta->deflink.ht_cap.ht_supported && + phymode = ath12k_mac_get_phymode_vht(ar, link_sta); + } else if (link_sta->ht_cap.ht_supported && !ath12k_peer_assoc_h_ht_masked(ht_mcs_mask)) { - if (sta->deflink.bandwidth >= IEEE80211_STA_RX_BW_40) + if (link_sta->bandwidth >= IEEE80211_STA_RX_BW_40) phymode = MODE_11NA_HT40; else phymode = MODE_11NA_HT20; @@ -2838,15 +2921,25 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, struct ath12k_wmi_peer_assoc_arg *arg) { struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); - const struct ieee80211_sta_eht_cap *eht_cap = &sta->deflink.eht_cap; - const struct ieee80211_sta_he_cap *he_cap = &sta->deflink.he_cap; const struct ieee80211_eht_mcs_nss_supp_20mhz_only *bw_20; const struct ieee80211_eht_mcs_nss_supp_bw *bw; + const struct ieee80211_sta_eht_cap *eht_cap; + const struct ieee80211_sta_he_cap *he_cap; + struct ieee80211_link_sta *link_sta; u32 *rx_mcs, *tx_mcs; lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); - if (!sta->deflink.he_cap.has_he || !eht_cap->has_eht) + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc eht for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + eht_cap = &link_sta->eht_cap; + he_cap = &link_sta->he_cap; + if (!he_cap->has_he || !eht_cap->has_eht) return; arg->eht_flag = true; @@ -2865,7 +2958,7 @@ static void ath12k_peer_assoc_h_eht(struct ath12k *ar, rx_mcs = arg->peer_eht_rx_mcs_set; tx_mcs = arg->peer_eht_tx_mcs_set; - switch (sta->deflink.bandwidth) { + switch (link_sta->bandwidth) { case IEEE80211_STA_RX_BW_320: bw = &eht_cap->eht_mcs_nss_supp.bw._320; ath12k_mac_set_eht_mcs(bw->rx_tx_mcs9_max_nss, @@ -4662,6 +4755,7 @@ static int ath12k_mac_station_assoc(struct ath12k *ar, struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif); struct ieee80211_sta *sta = ath12k_ahsta_to_sta(arsta->ahsta); struct ath12k_wmi_peer_assoc_arg peer_arg; + struct ieee80211_link_sta *link_sta; int ret; struct cfg80211_chan_def def; enum nl80211_band band; @@ -4707,7 +4801,13 @@ static int ath12k_mac_station_assoc(struct ath12k *ar, * fixed param. * Note that all other rates and NSS will be disabled for this peer. */ - if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) { + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in station assoc\n"); + return -EINVAL; + } + + if (link_sta->vht_cap.vht_supported && num_vht_rates == 1) { ret = ath12k_mac_set_peer_vht_fixed_rate(arvif, arsta, mask, band); if (ret) @@ -4721,8 +4821,7 @@ static int ath12k_mac_station_assoc(struct ath12k *ar, return 0; ret = ath12k_setup_peer_smps(ar, arvif, arsta->addr, - &sta->deflink.ht_cap, - &sta->deflink.he_6ghz_capa); + &link_sta->ht_cap, &link_sta->he_6ghz_capa); if (ret) { ath12k_warn(ar->ab, "failed to setup peer SMPS for vdev %d: %d\n", arvif->vdev_id, ret); @@ -4766,6 +4865,7 @@ static int ath12k_mac_station_disassoc(struct ath12k *ar, static void ath12k_sta_rc_update_wk(struct wiphy *wiphy, struct wiphy_work *wk) { + struct ieee80211_link_sta *link_sta; struct ath12k *ar; struct ath12k_link_vif *arvif; struct ieee80211_sta *sta; @@ -4900,7 +5000,14 @@ static void ath12k_sta_rc_update_wk(struct wiphy *wiphy, struct wiphy_work *wk) * TODO: Check RATEMASK_CMDID to support auto rates selection * across HT/VHT and for multiple VHT MCS support. */ - if (sta->deflink.vht_cap.vht_supported && num_vht_rates == 1) { + link_sta = ath12k_mac_get_link_sta(arsta); + if (!link_sta) { + ath12k_warn(ar->ab, "unable to access link sta in peer assoc he for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + + if (link_sta->vht_cap.vht_supported && num_vht_rates == 1) { ath12k_mac_set_peer_vht_fixed_rate(arvif, arsta, mask, band); } else { @@ -5603,10 +5710,23 @@ static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw, spin_unlock_bh(&ar->ab->base_lock); + if (arsta->link_id >= IEEE80211_MLD_MAX_NUM_LINKS) { + rcu_read_unlock(); + return; + } + + link_sta = rcu_dereference(sta->link[arsta->link_id]); + if (!link_sta) { + rcu_read_unlock(); + ath12k_warn(ar->ab, "unable to access link sta in rc update for sta %pM link %u\n", + sta->addr, arsta->link_id); + return; + } + ath12k_dbg(ar->ab, ATH12K_DBG_MAC, "mac sta rc update for %pM changed %08x bw %d nss %d smps %d\n", - arsta->addr, changed, sta->deflink.bandwidth, sta->deflink.rx_nss, - sta->deflink.smps_mode); + arsta->addr, changed, link_sta->bandwidth, link_sta->rx_nss, + link_sta->smps_mode); spin_lock_bh(&ar->data_lock); @@ -5617,12 +5737,12 @@ static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw, } if (changed & IEEE80211_RC_NSS_CHANGED) - arsta->nss = sta->deflink.rx_nss; + arsta->nss = link_sta->rx_nss; if (changed & IEEE80211_RC_SMPS_CHANGED) { smps = WMI_PEER_SMPS_PS_NONE; - switch (sta->deflink.smps_mode) { + switch (link_sta->smps_mode) { case IEEE80211_SMPS_AUTOMATIC: case IEEE80211_SMPS_OFF: smps = WMI_PEER_SMPS_PS_NONE; @@ -5634,8 +5754,8 @@ static void ath12k_mac_op_sta_rc_update(struct ieee80211_hw *hw, smps = WMI_PEER_SMPS_DYNAMIC; break; default: - ath12k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM\n", - sta->deflink.smps_mode, arsta->addr); + ath12k_warn(ar->ab, "Invalid smps %d in sta rc update for %pM link %u\n", + link_sta->smps_mode, arsta->addr, link_sta->link_id); smps = WMI_PEER_SMPS_PS_NONE; break; } @@ -9241,10 +9361,11 @@ static void ath12k_mac_set_bitrate_mask_iter(void *data, { struct ath12k_link_vif *arvif = data; struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta); - struct ath12k_link_sta *arsta = &ahsta->deflink; + struct ath12k_link_sta *arsta; struct ath12k *ar = arvif->ar; - if (arsta->arvif != arvif) + arsta = rcu_dereference(ahsta->link[arvif->link_id]); + if (!arsta || arsta->arvif != arvif) return; spin_lock_bh(&ar->data_lock); @@ -9259,11 +9380,16 @@ static void ath12k_mac_disable_peer_fixed_rate(void *data, { struct ath12k_link_vif *arvif = data; struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta); - struct ath12k_link_sta *arsta = &ahsta->deflink; + struct ath12k_link_sta *arsta; struct ath12k *ar = arvif->ar; int ret; - if (arsta->arvif != arvif) + lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy); + + arsta = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, + ahsta->link[arvif->link_id]); + + if (!arsta || arsta->arvif != arvif) return; ret = ath12k_wmi_set_peer_param(ar, arsta->addr,