Merge branch 'next' into for-linus

Prepare input updates for 6.6 merge window.

1 files changed, 309 insertions, 0 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac.c
new file mode 100644
index 000000000000..1717fb52dc12
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac.c
@@ -0,0 +1,309 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Copyright (C) 2022 Intel Corporation
+ */
+#include "mvm.h"
+
+static void iwl_mvm_mld_set_he_support(struct iwl_mvm *mvm,
+				       struct ieee80211_vif *vif,
+				       struct iwl_mac_config_cmd *cmd)
+{
+	if (vif->type == NL80211_IFTYPE_AP)
+		cmd->he_ap_support = cpu_to_le16(1);
+	else
+		cmd->he_support = cpu_to_le16(1);
+}
+
+static void iwl_mvm_mld_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
+					    struct ieee80211_vif *vif,
+					    struct iwl_mac_config_cmd *cmd,
+					    u32 action)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct ieee80211_bss_conf *link_conf;
+	unsigned int link_id;
+
+	cmd->id_and_color = cpu_to_le32(mvmvif->id);
+	cmd->action = cpu_to_le32(action);
+
+	cmd->mac_type = cpu_to_le32(iwl_mvm_get_mac_type(vif));
+
+	memcpy(cmd->local_mld_addr, vif->addr, ETH_ALEN);
+
+	cmd->he_support = 0;
+	cmd->eht_support = 0;
+
+	/* should be set by specific context type handler */
+	cmd->filter_flags = 0;
+
+	cmd->nic_not_ack_enabled =
+		cpu_to_le32(!iwl_mvm_is_nic_ack_enabled(mvm, vif));
+
+	if (iwlwifi_mod_params.disable_11ax)
+		return;
+
+	/* If we have MLO enabled, then the firmware needs to enable
+	 * address translation for the station(s) we add. That depends
+	 * on having EHT enabled in firmware, which in turn depends on
+	 * mac80211 in the code below.
+	 * However, mac80211 doesn't enable HE/EHT until it has parsed
+	 * the association response successfully, so just skip all that
+	 * and enable both when we have MLO.
+	 */
+	if (vif->valid_links) {
+		iwl_mvm_mld_set_he_support(mvm, vif, cmd);
+		cmd->eht_support = cpu_to_le32(1);
+		return;
+	}
+
+	rcu_read_lock();
+	for (link_id = 0; link_id < ARRAY_SIZE((vif)->link_conf); link_id++) {
+		link_conf = rcu_dereference(vif->link_conf[link_id]);
+		if (!link_conf)
+			continue;
+
+		if (link_conf->he_support)
+			iwl_mvm_mld_set_he_support(mvm, vif, cmd);
+
+		/* it's not reasonable to have EHT without HE and FW API doesn't
+		 * support it. Ignore EHT in this case.
+		 */
+		if (!link_conf->he_support && link_conf->eht_support)
+			continue;
+
+		if (link_conf->eht_support) {
+			cmd->eht_support = cpu_to_le32(1);
+			break;
+		}
+	}
+	rcu_read_unlock();
+}
+
+static int iwl_mvm_mld_mac_ctxt_send_cmd(struct iwl_mvm *mvm,
+					 struct iwl_mac_config_cmd *cmd)
+{
+	int ret = iwl_mvm_send_cmd_pdu(mvm,
+				       WIDE_ID(MAC_CONF_GROUP, MAC_CONFIG_CMD),
+				       0, sizeof(*cmd), cmd);
+	if (ret)
+		IWL_ERR(mvm, "Failed to send MAC_CONFIG_CMD (action:%d): %d\n",
+			le32_to_cpu(cmd->action), ret);
+	return ret;
+}
+
+static int iwl_mvm_mld_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
+					struct ieee80211_vif *vif,
+					u32 action, bool force_assoc_off)
+{
+	struct iwl_mac_config_cmd cmd = {};
+
+	WARN_ON(vif->type != NL80211_IFTYPE_STATION);
+
+	/* Fill the common data for all mac context types */
+	iwl_mvm_mld_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+
+	/*
+	 * We always want to hear MCAST frames, if we're not authorized yet,
+	 * we'll drop them.
+	 */
+	cmd.filter_flags |= cpu_to_le32(MAC_CFG_FILTER_ACCEPT_GRP);
+
+	if (vif->p2p)
+		cmd.client.ctwin =
+			iwl_mvm_mac_ctxt_cmd_p2p_sta_get_oppps_ctwin(mvm, vif);
+
+	if (vif->cfg.assoc && !force_assoc_off) {
+		struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+		cmd.client.is_assoc = cpu_to_le32(1);
+
+		if (!mvmvif->authorized &&
+		    fw_has_capa(&mvm->fw->ucode_capa,
+				IWL_UCODE_TLV_CAPA_COEX_HIGH_PRIO))
+			cmd.client.data_policy |=
+				cpu_to_le32(COEX_HIGH_PRIORITY_ENABLE);
+
+	} else {
+		cmd.client.is_assoc = cpu_to_le32(0);
+
+		/* Allow beacons to pass through as long as we are not
+		 * associated, or we do not have dtim period information.
+		 */
+		cmd.filter_flags |= cpu_to_le32(MAC_CFG_FILTER_ACCEPT_BEACON);
+	}
+
+	cmd.client.assoc_id = cpu_to_le32(vif->cfg.aid);
+
+	if (vif->probe_req_reg && vif->cfg.assoc && vif->p2p)
+		cmd.filter_flags |= cpu_to_le32(MAC_CFG_FILTER_ACCEPT_PROBE_REQ);
+
+	if (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax)
+		cmd.client.data_policy |=
+			iwl_mvm_mac_ctxt_cmd_sta_get_twt_policy(mvm, vif);
+
+	return iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+}
+
+static int iwl_mvm_mld_mac_ctxt_cmd_listener(struct iwl_mvm *mvm,
+					     struct ieee80211_vif *vif,
+					     u32 action)
+{
+	struct iwl_mac_config_cmd cmd = {};
+
+	WARN_ON(vif->type != NL80211_IFTYPE_MONITOR);
+
+	iwl_mvm_mld_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+
+	cmd.filter_flags = cpu_to_le32(MAC_CFG_FILTER_PROMISC |
+				       MAC_FILTER_IN_CONTROL_AND_MGMT |
+				       MAC_CFG_FILTER_ACCEPT_BEACON |
+				       MAC_CFG_FILTER_ACCEPT_PROBE_REQ |
+				       MAC_CFG_FILTER_ACCEPT_GRP);
+
+	return iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+}
+
+static int iwl_mvm_mld_mac_ctxt_cmd_ibss(struct iwl_mvm *mvm,
+					 struct ieee80211_vif *vif,
+					 u32 action)
+{
+	struct iwl_mac_config_cmd cmd = {};
+
+	WARN_ON(vif->type != NL80211_IFTYPE_ADHOC);
+
+	iwl_mvm_mld_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+
+	cmd.filter_flags = cpu_to_le32(MAC_CFG_FILTER_ACCEPT_BEACON |
+				       MAC_CFG_FILTER_ACCEPT_PROBE_REQ |
+				       MAC_CFG_FILTER_ACCEPT_GRP);
+
+	return iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+}
+
+static int iwl_mvm_mld_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm,
+					       struct ieee80211_vif *vif,
+					       u32 action)
+{
+	struct iwl_mac_config_cmd cmd = {};
+
+	WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE);
+
+	iwl_mvm_mld_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+
+	cmd.p2p_dev.is_disc_extended =
+		iwl_mac_ctxt_p2p_dev_has_extended_disc(mvm, vif);
+
+	/* Override the filter flags to accept only probe requests */
+	cmd.filter_flags = cpu_to_le32(MAC_CFG_FILTER_ACCEPT_PROBE_REQ);
+
+	return iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+}
+
+static int iwl_mvm_mld_mac_ctxt_cmd_ap_go(struct iwl_mvm *mvm,
+					  struct ieee80211_vif *vif,
+					  u32 action)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mac_config_cmd cmd = {};
+
+	WARN_ON(vif->type != NL80211_IFTYPE_AP);
+
+	/* Fill the common data for all mac context types */
+	iwl_mvm_mld_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+
+	iwl_mvm_mac_ctxt_cmd_ap_set_filter_flags(mvm, mvmvif,
+						 &cmd.filter_flags,
+						 MAC_CFG_FILTER_ACCEPT_PROBE_REQ,
+						 MAC_CFG_FILTER_ACCEPT_BEACON);
+
+	return iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+}
+
+static int iwl_mvm_mld_mac_ctx_send(struct iwl_mvm *mvm,
+				    struct ieee80211_vif *vif,
+				    u32 action, bool force_assoc_off)
+{
+	switch (vif->type) {
+	case NL80211_IFTYPE_STATION:
+		return iwl_mvm_mld_mac_ctxt_cmd_sta(mvm, vif, action,
+						    force_assoc_off);
+	case NL80211_IFTYPE_AP:
+		return iwl_mvm_mld_mac_ctxt_cmd_ap_go(mvm, vif, action);
+	case NL80211_IFTYPE_MONITOR:
+		return iwl_mvm_mld_mac_ctxt_cmd_listener(mvm, vif, action);
+	case NL80211_IFTYPE_P2P_DEVICE:
+		return iwl_mvm_mld_mac_ctxt_cmd_p2p_device(mvm, vif, action);
+	case NL80211_IFTYPE_ADHOC:
+		return iwl_mvm_mld_mac_ctxt_cmd_ibss(mvm, vif, action);
+	default:
+		break;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+int iwl_mvm_mld_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	int ret;
+
+	if (WARN_ON_ONCE(vif->type == NL80211_IFTYPE_NAN))
+		return -EOPNOTSUPP;
+
+	if (WARN_ONCE(mvmvif->uploaded, "Adding active MAC %pM/%d\n",
+		      vif->addr, ieee80211_vif_type_p2p(vif)))
+		return -EIO;
+
+	ret = iwl_mvm_mld_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_ADD,
+				       true);
+	if (ret)
+		return ret;
+
+	/* will only do anything at resume from D3 time */
+	iwl_mvm_set_last_nonqos_seq(mvm, vif);
+
+	mvmvif->uploaded = true;
+	return 0;
+}
+
+int iwl_mvm_mld_mac_ctxt_changed(struct iwl_mvm *mvm,
+				 struct ieee80211_vif *vif,
+				 bool force_assoc_off)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+	if (WARN_ON_ONCE(vif->type == NL80211_IFTYPE_NAN))
+		return -EOPNOTSUPP;
+
+	if (WARN_ONCE(!mvmvif->uploaded, "Changing inactive MAC %pM/%d\n",
+		      vif->addr, ieee80211_vif_type_p2p(vif)))
+		return -EIO;
+
+	return iwl_mvm_mld_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_MODIFY,
+					force_assoc_off);
+}
+
+int iwl_mvm_mld_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mac_config_cmd cmd = {
+		.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
+		.id_and_color = cpu_to_le32(mvmvif->id),
+	};
+	int ret;
+
+	if (WARN_ON_ONCE(vif->type == NL80211_IFTYPE_NAN))
+		return -EOPNOTSUPP;
+
+	if (WARN_ONCE(!mvmvif->uploaded, "Removing inactive MAC %pM/%d\n",
+		      vif->addr, ieee80211_vif_type_p2p(vif)))
+		return -EIO;
+
+	ret = iwl_mvm_mld_mac_ctxt_send_cmd(mvm, &cmd);
+	if (ret)
+		return ret;
+
+	mvmvif->uploaded = false;
+
+	return 0;
+}