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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2022 - 2023 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 (ieee80211_vif_is_mld(vif)) {
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 = {};
u16 esr_transition_timeout;
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 = 1;
if (!mvmvif->authorized &&
fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_COEX_HIGH_PRIO))
cmd.client.data_policy |=
cpu_to_le16(COEX_HIGH_PRIORITY_ENABLE);
} else {
cmd.client.is_assoc = 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_le16(vif->cfg.aid);
if (ieee80211_vif_is_mld(vif)) {
esr_transition_timeout =
u16_get_bits(vif->cfg.eml_cap,
IEEE80211_EML_CAP_TRANSITION_TIMEOUT);
cmd.client.esr_transition_timeout =
min_t(u16, IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU,
esr_transition_timeout);
cmd.client.medium_sync_delay =
cpu_to_le16(vif->cfg.eml_med_sync_delay);
}
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 |=
cpu_to_le16(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;
}
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