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iwlwifi: mvm: refactor iwl_mvm_query_wakeup_reasons()
Refactor the iwl_mvm_query_wakeup_reasons() function to split the part that gets the firmware status from the part that sets up the WoWLAN status. This will allow netdetect to reuse the code. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
parent
3acc952b03
commit
ec12f457d6
1 changed files with 47 additions and 26 deletions
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@ -1490,9 +1490,8 @@ static bool iwl_mvm_setup_connection_keep(struct iwl_mvm *mvm,
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return true;
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}
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/* releases the MVM mutex */
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static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif)
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static struct iwl_wowlan_status *
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iwl_mvm_get_wakeup_status(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
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{
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u32 base = mvm->error_event_table;
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struct error_table_start {
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@ -1504,19 +1503,15 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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.id = WOWLAN_GET_STATUSES,
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.flags = CMD_WANT_SKB,
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};
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struct iwl_wowlan_status_data status;
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struct iwl_wowlan_status *fw_status;
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int ret, len, status_size, i;
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bool keep;
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struct ieee80211_sta *ap_sta;
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struct iwl_mvm_sta *mvm_ap_sta;
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struct iwl_wowlan_status *status, *fw_status;
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int ret, len, status_size;
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iwl_trans_read_mem_bytes(mvm->trans, base,
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&err_info, sizeof(err_info));
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if (err_info.valid) {
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IWL_INFO(mvm, "error table is valid (%d)\n",
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err_info.valid);
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IWL_INFO(mvm, "error table is valid (%d) with error (%d)\n",
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err_info.valid, err_info.error_id);
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if (err_info.error_id == RF_KILL_INDICATOR_FOR_WOWLAN) {
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struct cfg80211_wowlan_wakeup wakeup = {
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.rfkill_release = true,
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@ -1524,7 +1519,7 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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ieee80211_report_wowlan_wakeup(vif, &wakeup,
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GFP_KERNEL);
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}
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goto out_unlock;
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return ERR_PTR(-EIO);
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}
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/* only for tracing for now */
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@ -1535,22 +1530,53 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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ret = iwl_mvm_send_cmd(mvm, &cmd);
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if (ret) {
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IWL_ERR(mvm, "failed to query status (%d)\n", ret);
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goto out_unlock;
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return ERR_PTR(ret);
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}
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/* RF-kill already asserted again... */
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if (!cmd.resp_pkt)
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goto out_unlock;
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if (!cmd.resp_pkt) {
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ret = -ERFKILL;
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goto out_free_resp;
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}
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status_size = sizeof(*fw_status);
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len = iwl_rx_packet_payload_len(cmd.resp_pkt);
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if (len < status_size) {
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IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
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ret = -EIO;
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goto out_free_resp;
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}
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fw_status = (void *)cmd.resp_pkt->data;
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status = (void *)cmd.resp_pkt->data;
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if (len != (status_size +
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ALIGN(le32_to_cpu(status->wake_packet_bufsize), 4))) {
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IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
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ret = -EIO;
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goto out_free_resp;
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}
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fw_status = kmemdup(status, len, GFP_KERNEL);
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out_free_resp:
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iwl_free_resp(&cmd);
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return ret ? ERR_PTR(ret) : fw_status;
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}
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/* releases the MVM mutex */
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static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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struct ieee80211_vif *vif)
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{
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struct iwl_wowlan_status_data status;
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struct iwl_wowlan_status *fw_status;
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int i;
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bool keep;
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struct ieee80211_sta *ap_sta;
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struct iwl_mvm_sta *mvm_ap_sta;
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fw_status = iwl_mvm_get_wakeup_status(mvm, vif);
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if (IS_ERR_OR_NULL(fw_status))
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goto out_unlock;
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status.pattern_number = le16_to_cpu(fw_status->pattern_number);
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for (i = 0; i < 8; i++)
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@ -1563,17 +1589,12 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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le32_to_cpu(fw_status->wake_packet_bufsize);
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status.wake_packet = fw_status->wake_packet;
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if (len != status_size + ALIGN(status.wake_packet_bufsize, 4)) {
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IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
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goto out_free_resp;
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}
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/* still at hard-coded place 0 for D3 image */
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ap_sta = rcu_dereference_protected(
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mvm->fw_id_to_mac_id[0],
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lockdep_is_held(&mvm->mutex));
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if (IS_ERR_OR_NULL(ap_sta))
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goto out_free_resp;
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goto out_free;
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mvm_ap_sta = (struct iwl_mvm_sta *)ap_sta->drv_priv;
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for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
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@ -1590,12 +1611,12 @@ static bool iwl_mvm_query_wakeup_reasons(struct iwl_mvm *mvm,
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keep = iwl_mvm_setup_connection_keep(mvm, vif, fw_status);
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iwl_free_resp(&cmd);
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kfree(fw_status);
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return keep;
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out_free_resp:
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iwl_free_resp(&cmd);
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out_unlock:
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out_free:
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kfree(fw_status);
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out_unlock:
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mutex_unlock(&mvm->mutex);
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return false;
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}
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