From patchwork Wed Nov 6 14:26:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 841362 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 24205202F7E for ; Wed, 6 Nov 2024 14:26:27 +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=1730903187; cv=none; b=Sa4D2b34/Eaum3cNZOi7hD7SdbX2jf2/djBorsa6SFhRpm1dNL5qv03d/1g+K1lXZbDRNoVKwRWFny/ydJjCascCT+qo+VctYQwQKx92pOGvGlGT65UL3MOU3iiJMegIPTsdo4SuCya7eBGpv0GdtYFoU5cAxTn1nQWl2ee+TkY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730903187; c=relaxed/simple; bh=OOFu2ZyK64qfIWuHjZ6Lnlu4IaoDTdg+F7gN8yq2308=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Cog653d/iaen/sDA2edQ7/mCZmHMWzpWNAdEj0d5yBblm5dIWb/U9ZW0bx9eTHBcnCKKA4rrsZJSgkItoQpBn5mbMSIrgVkeEksAxY8GaGTLVwO+sBtfWaRsrMsWy9W69euEtVk+qZkFLfZ3EfPQsKvLbEldegGOh12KRBXqhfs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CO1FDMM7; 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="CO1FDMM7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D9D5C4CECC; Wed, 6 Nov 2024 14:26:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730903187; bh=OOFu2ZyK64qfIWuHjZ6Lnlu4IaoDTdg+F7gN8yq2308=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CO1FDMM7GbYOEiCuDo1XpvZBYDAaJiPCB9Bk773NrQQOaR7cO2rQKBMXKZqjjU4gE y1b5nL69bCnmSJp9zcRckmq7fsL0qZr+66PuQ63IyAjtlSEcsw8/0bOiNeRJmZZWOP IrSvHMyogp2nsdywjK+3WAvukswP1/bavFbYtHv0o0s1R89BHe5Ioj76INPikV3x1o EBza+pnxgDD+9Q+ICA98Uex1V9esyydRZ9SDcGJ3tnIB0Ovab88OzS25O6+ictU6UW G2VU1iSYv3ljQZPuS1i5FhEt/lfE7JPobabvm2avWYab+J1ISj/bP+AbGraWv4Qg5s 3J6txaD9k4CWg== From: Kalle Valo To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH 6/8] wifi: ath12k: modify chanctx iterators for MLO Date: Wed, 6 Nov 2024 16:26:15 +0200 Message-Id: <20241106142617.660901-7-kvalo@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241106142617.660901-1-kvalo@kernel.org> References: <20241106142617.660901-1-kvalo@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Rameshkumar Sundaram Currently ath12k's chanctx iterator functions use deflink of given ahvif and bss_conf of corresponding vif to make sure the iterator returns intended vif. An ML vif can have multiple affiliated links each having its own channel context, hence iterate through the links of the given ahvif and use the link objects (arvif and link_conf) to make sure the chan ctx iterator returns intended link of the given vif. 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: Rameshkumar Sundaram Signed-off-by: Kalle Valo Acked-by: Jeff Johnson --- drivers/net/wireless/ath/ath12k/mac.c | 80 +++++++++++++++++++-------- 1 file changed, 56 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index e45fe7949257..d810a5d74181 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -8327,19 +8327,32 @@ ath12k_mac_change_chanctx_cnt_iter(void *data, u8 *mac, { struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif); struct ath12k_mac_change_chanctx_arg *arg = data; + struct ieee80211_bss_conf *link_conf; struct ath12k_link_vif *arvif; + unsigned long links_map; + u8 link_id; lockdep_assert_wiphy(ahvif->ah->hw->wiphy); - arvif = &ahvif->deflink; + links_map = ahvif->links_map; + for_each_set_bit(link_id, &links_map, IEEE80211_MLD_MAX_NUM_LINKS) { + arvif = wiphy_dereference(ahvif->ah->hw->wiphy, ahvif->link[link_id]); + if (WARN_ON(!arvif)) + continue; - if (arvif->ar != arg->ar) - return; + if (arvif->ar != arg->ar) + continue; - if (rcu_access_pointer(vif->bss_conf.chanctx_conf) != arg->ctx) - return; + link_conf = wiphy_dereference(ahvif->ah->hw->wiphy, + vif->link_conf[link_id]); + if (WARN_ON(!link_conf)) + continue; - arg->n_vifs++; + if (rcu_access_pointer(link_conf->chanctx_conf) != arg->ctx) + continue; + + arg->n_vifs++; + } } static void @@ -8348,27 +8361,41 @@ ath12k_mac_change_chanctx_fill_iter(void *data, u8 *mac, { struct ath12k_vif *ahvif = ath12k_vif_to_ahvif(vif); struct ath12k_mac_change_chanctx_arg *arg = data; + struct ieee80211_bss_conf *link_conf; struct ieee80211_chanctx_conf *ctx; struct ath12k_link_vif *arvif; + unsigned long links_map; + u8 link_id; lockdep_assert_wiphy(ahvif->ah->hw->wiphy); - arvif = &ahvif->deflink; + links_map = ahvif->links_map; + for_each_set_bit(link_id, &links_map, IEEE80211_MLD_MAX_NUM_LINKS) { + arvif = wiphy_dereference(ahvif->ah->hw->wiphy, ahvif->link[link_id]); + if (WARN_ON(!arvif)) + continue; - if (arvif->ar != arg->ar) - return; + if (arvif->ar != arg->ar) + continue; - ctx = rcu_access_pointer(vif->bss_conf.chanctx_conf); - if (ctx != arg->ctx) - return; + link_conf = wiphy_dereference(ahvif->ah->hw->wiphy, + vif->link_conf[arvif->link_id]); + if (WARN_ON(!link_conf)) + continue; - if (WARN_ON(arg->next_vif == arg->n_vifs)) - return; + ctx = rcu_access_pointer(link_conf->chanctx_conf); + if (ctx != arg->ctx) + continue; - arg->vifs[arg->next_vif].vif = vif; - arg->vifs[arg->next_vif].old_ctx = ctx; - arg->vifs[arg->next_vif].new_ctx = ctx; - arg->next_vif++; + if (WARN_ON(arg->next_vif == arg->n_vifs)) + return; + + arg->vifs[arg->next_vif].vif = vif; + arg->vifs[arg->next_vif].old_ctx = ctx; + arg->vifs[arg->next_vif].new_ctx = ctx; + arg->vifs[arg->next_vif].link_conf = link_conf; + arg->next_vif++; + } } static u32 ath12k_mac_nlwidth_to_wmiwidth(enum nl80211_chan_width width) @@ -8428,10 +8455,12 @@ ath12k_mac_update_vif_chan(struct ath12k *ar, int n_vifs) { struct ath12k_wmi_vdev_up_params params = {}; + struct ieee80211_bss_conf *link_conf; struct ath12k_base *ab = ar->ab; struct ath12k_link_vif *arvif; struct ieee80211_vif *vif; struct ath12k_vif *ahvif; + u8 link_id; int ret; int i; bool monitor_vif = false; @@ -8441,7 +8470,10 @@ ath12k_mac_update_vif_chan(struct ath12k *ar, for (i = 0; i < n_vifs; i++) { vif = vifs[i].vif; ahvif = ath12k_vif_to_ahvif(vif); - arvif = &ahvif->deflink; + link_conf = vifs[i].link_conf; + link_id = link_conf->link_id; + arvif = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy, + ahvif->link[link_id]); if (vif->type == NL80211_IFTYPE_MONITOR) monitor_vif = true; @@ -8494,13 +8526,13 @@ ath12k_mac_update_vif_chan(struct ath12k *ar, params.aid = ahvif->aid; params.bssid = arvif->bssid; if (vif->mbssid_tx_vif) { - struct ath12k_vif *ahvif = + struct ath12k_vif *tx_ahvif = ath12k_vif_to_ahvif(vif->mbssid_tx_vif); - struct ath12k_link_vif *arvif = &ahvif->deflink; + struct ath12k_link_vif *tx_arvif = &tx_ahvif->deflink; - params.tx_bssid = arvif->bssid; - params.nontx_profile_idx = vif->bss_conf.bssid_index; - params.nontx_profile_cnt = 1 << vif->bss_conf.bssid_indicator; + params.tx_bssid = tx_arvif->bssid; + params.nontx_profile_idx = link_conf->bssid_index; + params.nontx_profile_cnt = 1 << link_conf->bssid_indicator; } ret = ath12k_wmi_vdev_up(arvif->ar, ¶ms); if (ret) {