android wifi SWOL低功耗模式

1 睡眠模式RX代码流程

ar_wal_rx_patch.c::patch_rx_process_recv_status//调用rx_ctxt->data_ind_handler

-> data_rx.c::wal_rx_install_data_ind//实际调用install_data_ind，具体函数patch_rx_install_data_ind

                                                     //设置rx_ctxt->data_ind_handler = data_rx

-> partial_reorder/data_rx.c::data_rx//调用ctxt->tgt_reorder_buff_store_and_release = data_rx_sta_store_and_release

-> data_rx_sta.c::data_rx_sta_store_and_release

-> data_rx_sta.c::data_rx_sta_deliver//调用ctxt->tgt_rx_deliver

-> data_rx_sta.c::data_rx_sta_register_deliver_cb//设置ctxt->tgt_rx_deliver = _offldmgr_data_handler

-> offload_mgr.c::_offldmgr_data_handler//调用p_offldmgr_ctxt->offload[OFFLOAD_EXTWOW].data_handler = _wlan_extwow_rx_data_handler

-> wlan_extwow.c::_wlan_extwow_rx_data_handler

对应的log:

//以wow为例，不是swol

enter patch_rx_process_recv_status call rx_ctxt->data_ind_handler 001.
enter data_rx call ctxt->tgt_reorder_buff_store_and_release.
enter data_rx_sta_store_and_release call data_rx_sta_deliver.
enter data_rx_sta_deliver call ctxt->tgt_rx_deliver.
enter _offldmgr_data_handler with CONFIG_FULL_PARTIAL_SUPPORT, i = 11 .
enter _wow_can_deliver_rxdata_tohost.
match happened

2 低功耗模式代码流程

ar_wal_rx_patch.c::patch_rx_process_recv_status//调用rx_ctxt->data_ind_handler

-> data_rx.c::wal_rx_install_data_ind//实际调用install_data_ind，具体函数patch_rx_install_data_ind

                                                     //设置rx_ctxt->data_ind_handler = data_rx

-> partial_reorder/data_rx.c::data_rx//调用ctxt->host_reorder_buff_store_and_release = _htt_tgt_rx_store_and_release_hl

-> htt_tgt_rx_event.c::_htt_tgt_rx_store_and_release_hl

对应的log:

enter patch_rx_process_recv_status call rx_ctxt->data_ind_handler 002.
enter _wlan_extwow_indoor_rx_data_process wow_does_magic_pattern_match return FALSE.
enter patch_rx_process_recv_status call rx_ctxt->data_ind_handler 002.
match happened
waker_mac_index:99
EW: indoor GPIO cnt=1
enter _htt_tgt_rx_store_and_release_hl wlan_extwow_indoor_rx_data_process, vdev->vdev_id = 0.

3 添加的代码patch 

htt_tgt_rx_event.c::_htt_tgt_rx_store_and_release_hl中2182行

                wal_peer_t *peer;
                wal_vdev_t *vdev;
                WLAN_EXTWOW_CTX *pExtwow;
                if ( g_pdev_p != NULL) {
                    pExtwow = (WLAN_EXTWOW_CTX *)g_pdev_p->extwow_ctx;

                    peer = wal_peer_id_to_peer((wal_pdev_t *)(g_pdev_p->pdev_handle), (A_UINT32)peer_id);
                    if (peer != NULL) {
                        vdev = peer->vdev;
                    }
                }
 
                if (g_pdev_p != NULL && vdev != NULL && pExtwow != NULL) {
                    A_PRINTF_ALWAYS("enter _htt_tgt_rx_store_and_release_hl pExtwow->swol_assist_enable = %d. 
", pExtwow->swol_assist_enable);
                    if (pExtwow->swol_assist_enable) {
                        if (wlan_extwow_indoor_rx_data_process(g_pdev_p, vdev->vdev_id, peer_id, tid, abf)) {                             
                             A_PRINTF_ALWAYS("enter _htt_tgt_rx_store_and_release_hl wlan_extwow_indoor_rx_data_process, vdev->vdev_id = %d. 
", vdev->vdev_id);
                             break;
                        }
                    }
                 }