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wifi: iwlwifi: mvm: handle TPE advertised by AP

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6 GHz BSS SP client shall respect TX power limits advertised
by the AP in TPE elements, send the data to the firmware using
the AP_TX_POWER_CONSTRAINTS_CMD command, so do that.

Co-developed-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240527190228.32f1e2e1447c.I58ac91c38585362aa42bb4a8a59c7d88e67bc40b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-05-27 19:06:01 +03:00
parent fb82e76a3b
commit 6b82f4e119
3 changed files with 63 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View file

@ -2731,6 +2731,13 @@ iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm,
if (changes & BSS_CHANGED_BANDWIDTH) if (changes & BSS_CHANGED_BANDWIDTH)
iwl_mvm_update_link_smps(vif, link_conf); iwl_mvm_update_link_smps(vif, link_conf);
if (changes & BSS_CHANGED_TPE) {
IWL_DEBUG_CALIB(mvm, "Changing TPE\n");
iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
link_conf,
false);
}
} }
static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
@ -5085,6 +5092,10 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
} }
iwl_mvm_update_quotas(mvm, false, NULL); iwl_mvm_update_quotas(mvm, false, NULL);
iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
link_conf,
false);
} }
goto out; goto out;

55
drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
View file

@ -347,6 +347,11 @@ __iwl_mvm_mld_assign_vif_chanctx(struct iwl_mvm *mvm,
rcu_read_unlock(); rcu_read_unlock();
} }
if (vif->type == NL80211_IFTYPE_STATION)
iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
link_conf,
false);
/* then activate */ /* then activate */
ret = iwl_mvm_link_changed(mvm, vif, link_conf, ret = iwl_mvm_link_changed(mvm, vif, link_conf,
LINK_CONTEXT_MODIFY_ACTIVE | LINK_CONTEXT_MODIFY_ACTIVE |
@ -526,9 +531,37 @@ static void iwl_mvm_mld_unassign_vif_chanctx(struct ieee80211_hw *hw,
} }
static void static void
iwl_mvm_tpe_sta_cmd_data(struct iwl_txpower_constraints_cmd *cmd,
const struct ieee80211_bss_conf *bss_info)
{
u8 i;
/*
* NOTE: the 0 here is IEEE80211_TPE_CAT_6GHZ_DEFAULT,
* we fully ignore IEEE80211_TPE_CAT_6GHZ_SUBORDINATE
*/
BUILD_BUG_ON(ARRAY_SIZE(cmd->psd_pwr) !=
ARRAY_SIZE(bss_info->tpe.psd_local[0].power));
/* if not valid, mac80211 puts default (max value) */
for (i = 0; i < ARRAY_SIZE(cmd->psd_pwr); i++)
cmd->psd_pwr[i] = min(bss_info->tpe.psd_local[0].power[i],
bss_info->tpe.psd_reg_client[0].power[i]);
BUILD_BUG_ON(ARRAY_SIZE(cmd->eirp_pwr) !=
ARRAY_SIZE(bss_info->tpe.max_local[0].power));
for (i = 0; i < ARRAY_SIZE(cmd->eirp_pwr); i++)
cmd->eirp_pwr[i] = min(bss_info->tpe.max_local[0].power[i],
bss_info->tpe.max_reg_client[0].power[i]);
}
void
iwl_mvm_send_ap_tx_power_constraint_cmd(struct iwl_mvm *mvm, iwl_mvm_send_ap_tx_power_constraint_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf) struct ieee80211_bss_conf *bss_conf,
bool is_ap)
{ {
struct iwl_txpower_constraints_cmd cmd = {}; struct iwl_txpower_constraints_cmd cmd = {};
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
@ -548,19 +581,22 @@ iwl_mvm_send_ap_tx_power_constraint_cmd(struct iwl_mvm *mvm,
link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID) link_info->fw_link_id == IWL_MVM_FW_LINK_ID_INVALID)
return; return;
if (bss_conf->chanreq.oper.chan->band != NL80211_BAND_6GHZ || if (bss_conf->chanreq.oper.chan->band != NL80211_BAND_6GHZ)
bss_conf->chanreq.oper.chan->flags &
IEEE80211_CHAN_NO_6GHZ_VLP_CLIENT)
return; return;
cmd.link_id = cpu_to_le16(link_info->fw_link_id); cmd.link_id = cpu_to_le16(link_info->fw_link_id);
/*
* Currently supporting VLP Soft AP only.
*/
cmd.ap_type = cpu_to_le16(IWL_6GHZ_AP_TYPE_VLP);
memset(cmd.psd_pwr, DEFAULT_TPE_TX_POWER, sizeof(cmd.psd_pwr)); memset(cmd.psd_pwr, DEFAULT_TPE_TX_POWER, sizeof(cmd.psd_pwr));
memset(cmd.eirp_pwr, DEFAULT_TPE_TX_POWER, sizeof(cmd.eirp_pwr)); memset(cmd.eirp_pwr, DEFAULT_TPE_TX_POWER, sizeof(cmd.eirp_pwr));
if (is_ap) {
cmd.ap_type = cpu_to_le16(IWL_6GHZ_AP_TYPE_VLP);
} else if (bss_conf->power_type == IEEE80211_REG_UNSET_AP) {
return;
} else {
cmd.ap_type = cpu_to_le16(bss_conf->power_type - 1);
iwl_mvm_tpe_sta_cmd_data(&cmd, bss_conf);
}
ret = iwl_mvm_send_cmd_pdu(mvm, ret = iwl_mvm_send_cmd_pdu(mvm,
WIDE_ID(PHY_OPS_GROUP, WIDE_ID(PHY_OPS_GROUP,
AP_TX_POWER_CONSTRAINTS_CMD), AP_TX_POWER_CONSTRAINTS_CMD),
@ -582,7 +618,8 @@ static int iwl_mvm_mld_start_ap_ibss(struct ieee80211_hw *hw,
guard(mvm)(mvm); guard(mvm)(mvm);
if (vif->type == NL80211_IFTYPE_AP) if (vif->type == NL80211_IFTYPE_AP)
iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif, link_conf); iwl_mvm_send_ap_tx_power_constraint_cmd(mvm, vif,
link_conf, true);
/* Send the beacon template */ /* Send the beacon template */
ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf); ret = iwl_mvm_mac_ctxt_beacon_changed(mvm, vif, link_conf);

6
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View file

@ -2961,4 +2961,10 @@ iwl_mvm_bt_coex_calculate_esr_mode(struct iwl_mvm *mvm,
bool primary); bool primary);
int iwl_mvm_esr_non_bss_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int iwl_mvm_esr_non_bss_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
unsigned int link_id, bool active); unsigned int link_id, bool active);
void
iwl_mvm_send_ap_tx_power_constraint_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
bool is_ap);
#endif /* __IWL_MVM_H__ */ #endif /* __IWL_MVM_H__ */