| /** @file mlan_uap_txrx.c |
| * |
| * @brief This file contains AP mode transmit and receive functions |
| * |
| * |
| * Copyright 2009-2021 NXP |
| * |
| * This software file (the File) is distributed by NXP |
| * under the terms of the GNU General Public License Version 2, June 1991 |
| * (the License). You may use, redistribute and/or modify the File in |
| * accordance with the terms and conditions of the License, a copy of which |
| * is available by writing to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| * this warranty disclaimer. |
| * |
| */ |
| |
| /******************************************************** |
| Change log: |
| 02/05/2009: initial version |
| ********************************************************/ |
| |
| #include "mlan.h" |
| #include "mlan_util.h" |
| #include "mlan_fw.h" |
| #ifdef STA_SUPPORT |
| #include "mlan_join.h" |
| #endif |
| #include "mlan_main.h" |
| #include "mlan_uap.h" |
| #include "mlan_wmm.h" |
| #include "mlan_11n_aggr.h" |
| #include "mlan_11n_rxreorder.h" |
| #ifdef DRV_EMBEDDED_AUTHENTICATOR |
| #include "authenticator_api.h" |
| #endif |
| |
| /******************************************************** |
| Local Functions |
| ********************************************************/ |
| |
| /** |
| * @brief This function processes received packet and forwards it |
| * to kernel/upper layer |
| * |
| * @param pmadapter A pointer to mlan_adapter |
| * @param pmbuf A pointer to mlan_buffer which includes the received packet |
| * |
| * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE |
| */ |
| static mlan_status |
| wlan_upload_uap_rx_packet(pmlan_adapter pmadapter, pmlan_buffer pmbuf) |
| { |
| mlan_status ret = MLAN_STATUS_SUCCESS; |
| #ifdef DEBUG_LEVEL1 |
| pmlan_private priv = pmadapter->priv[pmbuf->bss_index]; |
| #endif |
| PRxPD prx_pd; |
| ENTER(); |
| prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset); |
| |
| /* Chop off RxPD */ |
| pmbuf->data_len -= prx_pd->rx_pkt_offset; |
| pmbuf->data_offset += prx_pd->rx_pkt_offset; |
| pmbuf->pparent = MNULL; |
| |
| DBG_HEXDUMP(MDAT_D, "uAP RxPD", (t_u8 *)prx_pd, |
| MIN(sizeof(RxPD), MAX_DATA_DUMP_LEN)); |
| DBG_HEXDUMP(MDAT_D, "uAP Rx Payload", |
| ((t_u8 *)prx_pd + prx_pd->rx_pkt_offset), |
| MIN(prx_pd->rx_pkt_length, MAX_DATA_DUMP_LEN)); |
| |
| pmadapter->callbacks.moal_get_system_time(pmadapter->pmoal_handle, |
| &pmbuf->out_ts_sec, |
| &pmbuf->out_ts_usec); |
| PRINTM_NETINTF(MDATA, priv); |
| PRINTM(MDATA, "%lu.%06lu : Data => kernel seq_num=%d tid=%d\n", |
| pmbuf->out_ts_sec, pmbuf->out_ts_usec, prx_pd->seq_num, |
| prx_pd->priority); |
| ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle, |
| pmbuf); |
| if (ret == MLAN_STATUS_FAILURE) { |
| PRINTM(MERROR, |
| "uAP Rx Error: moal_recv_packet returned error\n"); |
| pmbuf->status_code = MLAN_ERROR_PKT_INVALID; |
| } |
| |
| if (ret != MLAN_STATUS_PENDING) |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| #ifdef USB |
| else if (IS_USB(pmadapter->card_type)) |
| pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle, |
| MNULL, |
| pmadapter->rx_data_ep, |
| ret); |
| #endif |
| LEAVE(); |
| |
| return ret; |
| } |
| |
| /** |
| * @brief This function will check if unicast packet need be dropped |
| * |
| * @param priv A pointer to mlan_private |
| * @param mac mac address to find in station list table |
| * |
| * @return MLAN_STATUS_FAILURE -- drop packet, otherwise forward to |
| * network stack |
| */ |
| static mlan_status |
| wlan_check_unicast_packet(mlan_private *priv, t_u8 *mac) |
| { |
| int j; |
| sta_node *sta_ptr = MNULL; |
| pmlan_adapter pmadapter = priv->adapter; |
| pmlan_private pmpriv = MNULL; |
| t_u8 pkt_type = 0; |
| mlan_status ret = MLAN_STATUS_SUCCESS; |
| ENTER(); |
| for (j = 0; j < MLAN_MAX_BSS_NUM; ++j) { |
| pmpriv = pmadapter->priv[j]; |
| if (pmpriv) { |
| if (GET_BSS_ROLE(pmpriv) == MLAN_BSS_ROLE_STA) |
| continue; |
| sta_ptr = wlan_get_station_entry(pmpriv, mac); |
| if (sta_ptr) { |
| if (pmpriv == priv) |
| pkt_type = PKT_INTRA_UCAST; |
| else |
| pkt_type = PKT_INTER_UCAST; |
| break; |
| } |
| } |
| } |
| if ((pkt_type == PKT_INTRA_UCAST) && |
| (priv->pkt_fwd & PKT_FWD_INTRA_UCAST)) { |
| PRINTM(MDATA, "Drop INTRA_UCAST packet\n"); |
| ret = MLAN_STATUS_FAILURE; |
| } else if ((pkt_type == PKT_INTER_UCAST) && |
| (priv->pkt_fwd & PKT_FWD_INTER_UCAST)) { |
| PRINTM(MDATA, "Drop INTER_UCAST packet\n"); |
| ret = MLAN_STATUS_FAILURE; |
| } |
| LEAVE(); |
| return ret; |
| } |
| |
| /******************************************************** |
| Global Functions |
| ********************************************************/ |
| /** |
| * @brief This function fill the txpd for tx packet |
| * |
| * @param priv A pointer to mlan_private structure |
| * @param pmbuf A pointer to the mlan_buffer for process |
| * |
| * @return headptr or MNULL |
| */ |
| t_void * |
| wlan_ops_uap_process_txpd(t_void *priv, pmlan_buffer pmbuf) |
| { |
| pmlan_private pmpriv = (pmlan_private)priv; |
| TxPD *plocal_tx_pd; |
| t_u8 *head_ptr = MNULL; |
| t_u32 pkt_type; |
| t_u32 tx_control; |
| t_u8 dst_mac[MLAN_MAC_ADDR_LENGTH]; |
| |
| ENTER(); |
| |
| if (!pmbuf->data_len) { |
| PRINTM(MERROR, "uAP Tx Error: Invalid packet length: %d\n", |
| pmbuf->data_len); |
| pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID; |
| goto done; |
| } |
| if (pmbuf->buf_type == MLAN_BUF_TYPE_RAW_DATA) { |
| memcpy_ext(pmpriv->adapter, &pkt_type, |
| pmbuf->pbuf + pmbuf->data_offset, sizeof(pkt_type), |
| sizeof(pkt_type)); |
| memcpy_ext(pmpriv->adapter, &tx_control, |
| pmbuf->pbuf + pmbuf->data_offset + sizeof(pkt_type), |
| sizeof(tx_control), sizeof(tx_control)); |
| pmbuf->data_offset += sizeof(pkt_type) + sizeof(tx_control); |
| pmbuf->data_len -= sizeof(pkt_type) + sizeof(tx_control); |
| } |
| if (pmbuf->data_offset < |
| (sizeof(TxPD) + pmpriv->intf_hr_len + DMA_ALIGNMENT)) { |
| PRINTM(MERROR, |
| "not enough space for TxPD: headroom=%d pkt_len=%d, required=%d\n", |
| pmbuf->data_offset, pmbuf->data_len, |
| sizeof(TxPD) + pmpriv->intf_hr_len + DMA_ALIGNMENT); |
| DBG_HEXDUMP(MDAT_D, "drop pkt", |
| pmbuf->pbuf + pmbuf->data_offset, pmbuf->data_len); |
| pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID; |
| goto done; |
| } |
| |
| /* head_ptr should be aligned */ |
| head_ptr = pmbuf->pbuf + pmbuf->data_offset - sizeof(TxPD) - |
| pmpriv->intf_hr_len; |
| head_ptr = (t_u8 *)((t_ptr)head_ptr & ~((t_ptr)(DMA_ALIGNMENT - 1))); |
| |
| plocal_tx_pd = (TxPD *)(head_ptr + pmpriv->intf_hr_len); |
| memset(pmpriv->adapter, plocal_tx_pd, 0, sizeof(TxPD)); |
| |
| /* Set the BSS number to TxPD */ |
| plocal_tx_pd->bss_num = GET_BSS_NUM(pmpriv); |
| plocal_tx_pd->bss_type = pmpriv->bss_type; |
| |
| plocal_tx_pd->tx_pkt_length = (t_u16)pmbuf->data_len; |
| |
| plocal_tx_pd->priority = (t_u8)pmbuf->priority; |
| plocal_tx_pd->pkt_delay_2ms = |
| wlan_wmm_compute_driver_packet_delay(pmpriv, pmbuf); |
| |
| if (plocal_tx_pd->priority < |
| NELEMENTS(pmpriv->wmm.user_pri_pkt_tx_ctrl)) |
| /* |
| * Set the priority specific tx_control field, setting of 0 will |
| * cause the default value to be used later in this function |
| */ |
| plocal_tx_pd->tx_control = |
| pmpriv->wmm.user_pri_pkt_tx_ctrl[plocal_tx_pd-> |
| priority]; |
| |
| if (pmbuf->flags & MLAN_BUF_FLAG_TX_STATUS) { |
| plocal_tx_pd->tx_control_1 |= pmbuf->tx_seq_num << 8; |
| plocal_tx_pd->flags |= MRVDRV_TxPD_FLAGS_TX_PACKET_STATUS; |
| } |
| |
| /* Offset of actual data */ |
| plocal_tx_pd->tx_pkt_offset = (t_u16)((t_ptr)pmbuf->pbuf + |
| pmbuf->data_offset - |
| (t_ptr)plocal_tx_pd); |
| |
| if (!plocal_tx_pd->tx_control) { |
| /* TxCtrl set by user or default */ |
| plocal_tx_pd->tx_control = pmpriv->pkt_tx_ctrl; |
| } |
| |
| if (pmbuf->buf_type == MLAN_BUF_TYPE_RAW_DATA) { |
| plocal_tx_pd->tx_pkt_type = (t_u16)pkt_type; |
| plocal_tx_pd->tx_control = tx_control; |
| } |
| |
| if (pmbuf->flags & MLAN_BUF_FLAG_TX_CTRL) { |
| if (pmbuf->u.tx_info.data_rate) { |
| memcpy_ext(pmpriv->adapter, dst_mac, |
| pmbuf->pbuf + pmbuf->data_offset, |
| sizeof(dst_mac), sizeof(dst_mac)); |
| plocal_tx_pd->tx_control |= |
| (wlan_ieee_rateid_to_mrvl_rateid |
| (pmpriv, pmbuf->u.tx_info.data_rate, dst_mac) |
| << 16); |
| plocal_tx_pd->tx_control |= TXPD_TXRATE_ENABLE; |
| } |
| plocal_tx_pd->tx_control_1 |= pmbuf->u.tx_info.channel << 21; |
| if (pmbuf->u.tx_info.bw) { |
| plocal_tx_pd->tx_control_1 |= pmbuf->u.tx_info.bw << 16; |
| plocal_tx_pd->tx_control_1 |= TXPD_BW_ENABLE; |
| } |
| if (pmbuf->u.tx_info.tx_power.tp.hostctl) |
| plocal_tx_pd->tx_control |= |
| (t_u32)pmbuf->u.tx_info.tx_power.val; |
| if (pmbuf->u.tx_info.retry_limit) { |
| plocal_tx_pd->tx_control |= pmbuf->u.tx_info.retry_limit |
| << 8; |
| plocal_tx_pd->tx_control |= TXPD_RETRY_ENABLE; |
| } |
| } |
| |
| endian_convert_TxPD(plocal_tx_pd); |
| |
| /* Adjust the data offset and length to include TxPD in pmbuf */ |
| pmbuf->data_len += pmbuf->data_offset; |
| pmbuf->data_offset = (t_u32)((t_ptr)head_ptr - (t_ptr)pmbuf->pbuf); |
| pmbuf->data_len -= pmbuf->data_offset; |
| |
| done: |
| LEAVE(); |
| return head_ptr; |
| } |
| |
| /** |
| * @brief This function processes received packet and forwards it |
| * to kernel/upper layer |
| * |
| * @param adapter A pointer to mlan_adapter |
| * @param pmbuf A pointer to mlan_buffer which includes the received packet |
| * |
| * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE |
| */ |
| mlan_status |
| wlan_ops_uap_process_rx_packet(t_void *adapter, pmlan_buffer pmbuf) |
| { |
| pmlan_adapter pmadapter = (pmlan_adapter)adapter; |
| mlan_status ret = MLAN_STATUS_SUCCESS; |
| RxPD *prx_pd; |
| wlan_mgmt_pkt *puap_pkt_hdr = MNULL; |
| |
| RxPacketHdr_t *prx_pkt; |
| pmlan_private priv = pmadapter->priv[pmbuf->bss_index]; |
| t_u8 ta[MLAN_MAC_ADDR_LENGTH]; |
| t_u16 rx_pkt_type = 0; |
| sta_node *sta_ptr = MNULL; |
| #ifdef DRV_EMBEDDED_AUTHENTICATOR |
| t_u8 eapol_type[2] = { 0x88, 0x8e }; |
| #endif |
| t_u16 adj_rx_rate = 0; |
| t_u8 antenna = 0; |
| |
| t_u32 last_rx_sec = 0; |
| t_u32 last_rx_usec = 0; |
| t_u8 ext_rate_info = 0; |
| |
| ENTER(); |
| |
| prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset); |
| /* Endian conversion */ |
| endian_convert_RxPD(prx_pd); |
| |
| if (priv->adapter->pcard_info->v14_fw_api) { |
| t_u8 rxpd_rate_info_orig = prx_pd->rate_info; |
| prx_pd->rate_info = |
| wlan_convert_v14_rx_rate_info(priv, |
| rxpd_rate_info_orig); |
| PRINTM(MINFO, |
| "UAP RX: v14_fw_api=%d rx_rate =%d rxpd_rate_info=0x%x->0x%x\n", |
| priv->adapter->pcard_info->v14_fw_api, prx_pd->rx_rate, |
| rxpd_rate_info_orig, prx_pd->rate_info); |
| } |
| |
| if (priv->rx_pkt_info) { |
| ext_rate_info = (t_u8)(prx_pd->rx_info >> 16); |
| pmbuf->u.rx_info.data_rate = |
| wlan_index_to_data_rate(priv->adapter, prx_pd->rx_rate, |
| prx_pd->rate_info, |
| ext_rate_info); |
| pmbuf->u.rx_info.channel = |
| (prx_pd->rx_info & RXPD_CHAN_MASK) >> 5; |
| pmbuf->u.rx_info.antenna = prx_pd->antenna; |
| pmbuf->u.rx_info.rssi = prx_pd->snr - prx_pd->nf; |
| } |
| |
| rx_pkt_type = prx_pd->rx_pkt_type; |
| prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset); |
| |
| PRINTM(MINFO, |
| "RX Data: data_len - prx_pd->rx_pkt_offset = %d - %d = %d\n", |
| pmbuf->data_len, prx_pd->rx_pkt_offset, |
| pmbuf->data_len - prx_pd->rx_pkt_offset); |
| |
| if ((prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length) != |
| (t_u16)pmbuf->data_len) { |
| PRINTM(MERROR, |
| "Wrong rx packet: len=%d,rx_pkt_offset=%d," |
| " rx_pkt_length=%d\n", |
| pmbuf->data_len, prx_pd->rx_pkt_offset, |
| prx_pd->rx_pkt_length); |
| pmbuf->status_code = MLAN_ERROR_PKT_SIZE_INVALID; |
| ret = MLAN_STATUS_FAILURE; |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| goto done; |
| } |
| pmbuf->data_len = prx_pd->rx_pkt_offset + prx_pd->rx_pkt_length; |
| |
| if (pmadapter->priv[pmbuf->bss_index]->mgmt_frame_passthru_mask && |
| prx_pd->rx_pkt_type == PKT_TYPE_MGMT_FRAME) { |
| /* Check if this is mgmt packet and needs to |
| * forwarded to app as an event |
| */ |
| puap_pkt_hdr = (wlan_mgmt_pkt *)((t_u8 *)prx_pd + |
| prx_pd->rx_pkt_offset); |
| puap_pkt_hdr->frm_len = wlan_le16_to_cpu(puap_pkt_hdr->frm_len); |
| if ((puap_pkt_hdr->wlan_header.frm_ctl & |
| IEEE80211_FC_MGMT_FRAME_TYPE_MASK) == 0) |
| wlan_process_802dot11_mgmt_pkt(pmadapter-> |
| priv[pmbuf->bss_index], |
| (t_u8 *)&puap_pkt_hdr-> |
| wlan_header, |
| puap_pkt_hdr->frm_len + |
| sizeof(wlan_mgmt_pkt) - |
| sizeof(puap_pkt_hdr-> |
| frm_len), |
| (RxPD *)prx_pd); |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| goto done; |
| } |
| if (rx_pkt_type != PKT_TYPE_BAR) { |
| priv->rxpd_rate = prx_pd->rx_rate; |
| priv->rxpd_rate_info = prx_pd->rate_info; |
| priv->rxpd_rx_info = (t_u8)(prx_pd->rx_info >> 16); |
| |
| if (priv->bss_type == MLAN_BSS_TYPE_UAP) { |
| antenna = wlan_adjust_antenna(priv, (RxPD *)prx_pd); |
| adj_rx_rate = |
| wlan_adjust_data_rate(priv, priv->rxpd_rate, |
| priv->rxpd_rate_info); |
| pmadapter->callbacks.moal_hist_data_add(pmadapter-> |
| pmoal_handle, |
| pmbuf-> |
| bss_index, |
| adj_rx_rate, |
| prx_pd->snr, |
| prx_pd->nf, |
| antenna); |
| } |
| } |
| |
| sta_ptr = wlan_get_station_entry(priv, prx_pkt->eth803_hdr.src_addr); |
| if (sta_ptr) { |
| sta_ptr->snr = prx_pd->snr; |
| sta_ptr->nf = prx_pd->nf; |
| pmadapter->callbacks.moal_get_system_time(pmadapter-> |
| pmoal_handle, |
| &last_rx_sec, |
| &last_rx_usec); |
| sta_ptr->stats.last_rx_in_msec = |
| (t_u64)last_rx_sec *1000 + (t_u64)last_rx_usec / 1000; |
| } |
| #ifdef DRV_EMBEDDED_AUTHENTICATOR |
| /**process eapol packet for uap*/ |
| if (IsAuthenticatorEnabled(priv->psapriv) && |
| (!memcmp(pmadapter, &prx_pkt->eth803_hdr.h803_len, eapol_type, |
| sizeof(eapol_type)))) { |
| ret = AuthenticatorProcessEapolPacket(priv->psapriv, |
| ((t_u8 *)prx_pd + |
| prx_pd->rx_pkt_offset), |
| prx_pd->rx_pkt_length); |
| if (ret == MLAN_STATUS_SUCCESS) { |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| goto done; |
| } |
| } |
| #endif |
| |
| pmbuf->priority |= prx_pd->priority; |
| memcpy_ext(pmadapter, ta, prx_pkt->eth803_hdr.src_addr, |
| MLAN_MAC_ADDR_LENGTH, MLAN_MAC_ADDR_LENGTH); |
| if ((rx_pkt_type != PKT_TYPE_BAR) && (prx_pd->priority < MAX_NUM_TID)) { |
| sta_ptr = wlan_get_station_entry(priv, ta); |
| if (sta_ptr) { |
| sta_ptr->rx_seq[prx_pd->priority] = prx_pd->seq_num; |
| sta_ptr->snr = prx_pd->snr; |
| sta_ptr->nf = prx_pd->nf; |
| } |
| } |
| /* check if UAP enable 11n */ |
| if (!priv->is_11n_enabled || |
| (!wlan_11n_get_rxreorder_tbl((mlan_private *)priv, prx_pd->priority, |
| ta) |
| && (prx_pd->rx_pkt_type != PKT_TYPE_AMSDU) |
| ) |
| ) { |
| if (priv->pkt_fwd) |
| wlan_process_uap_rx_packet(priv, pmbuf); |
| else |
| wlan_upload_uap_rx_packet(pmadapter, pmbuf); |
| goto done; |
| } |
| /* Reorder and send to OS */ |
| ret = mlan_11n_rxreorder_pkt(priv, prx_pd->seq_num, prx_pd->priority, |
| ta, (t_u8)prx_pd->rx_pkt_type, |
| (void *)pmbuf); |
| if (ret || (rx_pkt_type == PKT_TYPE_BAR)) { |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| } |
| done: |
| LEAVE(); |
| return ret; |
| } |
| |
| /** |
| * @brief This function processes received packet and forwards it |
| * to kernel/upper layer or send back to firmware |
| * |
| * @param priv A pointer to mlan_private |
| * @param pmbuf A pointer to mlan_buffer which includes the received packet |
| * |
| * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE |
| */ |
| mlan_status |
| wlan_uap_recv_packet(mlan_private *priv, pmlan_buffer pmbuf) |
| { |
| pmlan_adapter pmadapter = priv->adapter; |
| mlan_status ret = MLAN_STATUS_SUCCESS; |
| RxPacketHdr_t *prx_pkt; |
| pmlan_buffer newbuf = MNULL; |
| |
| ENTER(); |
| |
| prx_pkt = (RxPacketHdr_t *)((t_u8 *)pmbuf->pbuf + pmbuf->data_offset); |
| |
| DBG_HEXDUMP(MDAT_D, "uap_recv_packet", pmbuf->pbuf + pmbuf->data_offset, |
| MIN(pmbuf->data_len, MAX_DATA_DUMP_LEN)); |
| |
| PRINTM(MDATA, "AMSDU dest " MACSTR "\n", |
| MAC2STR(prx_pkt->eth803_hdr.dest_addr)); |
| |
| /* don't do packet forwarding in disconnected state */ |
| if ((priv->media_connected == MFALSE) || |
| (pmbuf->data_len > MV_ETH_FRAME_LEN)) |
| goto upload; |
| |
| if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) { |
| if (!(priv->pkt_fwd & PKT_FWD_INTRA_BCAST)) { |
| /* Multicast pkt */ |
| newbuf = wlan_alloc_mlan_buffer(pmadapter, |
| MLAN_TX_DATA_BUF_SIZE_2K, |
| 0, MOAL_MALLOC_BUFFER); |
| if (newbuf) { |
| newbuf->bss_index = pmbuf->bss_index; |
| newbuf->buf_type = pmbuf->buf_type; |
| newbuf->priority = pmbuf->priority; |
| newbuf->in_ts_sec = pmbuf->in_ts_sec; |
| newbuf->in_ts_usec = pmbuf->in_ts_usec; |
| newbuf->data_offset = |
| (sizeof(TxPD) + priv->intf_hr_len + |
| DMA_ALIGNMENT); |
| util_scalar_increment(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock); |
| |
| newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF; |
| |
| /* copy the data */ |
| memcpy_ext(pmadapter, |
| (t_u8 *)newbuf->pbuf + |
| newbuf->data_offset, |
| pmbuf->pbuf + pmbuf->data_offset, |
| pmbuf->data_len, |
| MLAN_TX_DATA_BUF_SIZE_2K); |
| newbuf->data_len = pmbuf->data_len; |
| wlan_wmm_add_buf_txqueue(pmadapter, newbuf); |
| if (util_scalar_read(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock) > |
| RX_HIGH_THRESHOLD) |
| wlan_drop_tx_pkts(priv); |
| wlan_recv_event(priv, |
| MLAN_EVENT_ID_DRV_DEFER_HANDLING, |
| MNULL); |
| } |
| } |
| } else { |
| if ((!(priv->pkt_fwd & PKT_FWD_INTRA_UCAST)) && |
| (wlan_get_station_entry(priv, |
| prx_pkt->eth803_hdr.dest_addr))) { |
| /* Intra BSS packet */ |
| newbuf = wlan_alloc_mlan_buffer(pmadapter, |
| MLAN_TX_DATA_BUF_SIZE_2K, |
| 0, MOAL_MALLOC_BUFFER); |
| if (newbuf) { |
| newbuf->bss_index = pmbuf->bss_index; |
| newbuf->buf_type = pmbuf->buf_type; |
| newbuf->priority = pmbuf->priority; |
| newbuf->in_ts_sec = pmbuf->in_ts_sec; |
| newbuf->in_ts_usec = pmbuf->in_ts_usec; |
| newbuf->data_offset = |
| (sizeof(TxPD) + priv->intf_hr_len + |
| DMA_ALIGNMENT); |
| util_scalar_increment(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock); |
| newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF; |
| |
| /* copy the data */ |
| memcpy_ext(pmadapter, |
| (t_u8 *)newbuf->pbuf + |
| newbuf->data_offset, |
| pmbuf->pbuf + pmbuf->data_offset, |
| pmbuf->data_len, |
| MLAN_TX_DATA_BUF_SIZE_2K); |
| newbuf->data_len = pmbuf->data_len; |
| wlan_wmm_add_buf_txqueue(pmadapter, newbuf); |
| if (util_scalar_read(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock) > |
| RX_HIGH_THRESHOLD) |
| wlan_drop_tx_pkts(priv); |
| wlan_recv_event(priv, |
| MLAN_EVENT_ID_DRV_DEFER_HANDLING, |
| MNULL); |
| } |
| goto done; |
| } else if (MLAN_STATUS_FAILURE == |
| wlan_check_unicast_packet(priv, |
| prx_pkt->eth803_hdr. |
| dest_addr)) { |
| /* drop packet */ |
| PRINTM(MDATA, "Drop AMSDU dest " MACSTR "\n", |
| MAC2STR(prx_pkt->eth803_hdr.dest_addr)); |
| goto done; |
| } |
| } |
| upload: |
| /** send packet to moal */ |
| ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle, |
| pmbuf); |
| done: |
| LEAVE(); |
| return ret; |
| } |
| |
| /** |
| * @brief This function processes received packet and forwards it |
| * to kernel/upper layer or send back to firmware |
| * |
| * @param priv A pointer to mlan_private |
| * @param pmbuf A pointer to mlan_buffer which includes the received packet |
| * |
| * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE |
| */ |
| mlan_status |
| wlan_process_uap_rx_packet(mlan_private *priv, pmlan_buffer pmbuf) |
| { |
| pmlan_adapter pmadapter = priv->adapter; |
| mlan_status ret = MLAN_STATUS_SUCCESS; |
| RxPD *prx_pd; |
| RxPacketHdr_t *prx_pkt; |
| pmlan_buffer newbuf = MNULL; |
| |
| ENTER(); |
| |
| prx_pd = (RxPD *)(pmbuf->pbuf + pmbuf->data_offset); |
| prx_pkt = (RxPacketHdr_t *)((t_u8 *)prx_pd + prx_pd->rx_pkt_offset); |
| |
| DBG_HEXDUMP(MDAT_D, "uAP RxPD", prx_pd, |
| MIN(sizeof(RxPD), MAX_DATA_DUMP_LEN)); |
| DBG_HEXDUMP(MDAT_D, "uAP Rx Payload", |
| ((t_u8 *)prx_pd + prx_pd->rx_pkt_offset), |
| MIN(prx_pd->rx_pkt_length, MAX_DATA_DUMP_LEN)); |
| |
| PRINTM(MINFO, |
| "RX Data: data_len - prx_pd->rx_pkt_offset = %d - %d = %d\n", |
| pmbuf->data_len, prx_pd->rx_pkt_offset, |
| pmbuf->data_len - prx_pd->rx_pkt_offset); |
| PRINTM(MDATA, "Rx dest " MACSTR "\n", |
| MAC2STR(prx_pkt->eth803_hdr.dest_addr)); |
| |
| /* don't do packet forwarding in disconnected state */ |
| /* don't do packet forwarding when packet > 1514 */ |
| if ((priv->media_connected == MFALSE) || |
| ((pmbuf->data_len - prx_pd->rx_pkt_offset) > MV_ETH_FRAME_LEN)) |
| goto upload; |
| |
| if (prx_pkt->eth803_hdr.dest_addr[0] & 0x01) { |
| if (!(priv->pkt_fwd & PKT_FWD_INTRA_BCAST)) { |
| /* Multicast pkt */ |
| newbuf = wlan_alloc_mlan_buffer(pmadapter, |
| MLAN_TX_DATA_BUF_SIZE_2K, |
| 0, MOAL_MALLOC_BUFFER); |
| if (newbuf) { |
| newbuf->bss_index = pmbuf->bss_index; |
| newbuf->buf_type = pmbuf->buf_type; |
| newbuf->priority = pmbuf->priority; |
| newbuf->in_ts_sec = pmbuf->in_ts_sec; |
| newbuf->in_ts_usec = pmbuf->in_ts_usec; |
| newbuf->data_offset = |
| (sizeof(TxPD) + priv->intf_hr_len + |
| DMA_ALIGNMENT); |
| util_scalar_increment(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock); |
| newbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF; |
| |
| /* copy the data, skip rxpd */ |
| memcpy_ext(pmadapter, |
| (t_u8 *)newbuf->pbuf + |
| newbuf->data_offset, |
| pmbuf->pbuf + pmbuf->data_offset + |
| prx_pd->rx_pkt_offset, |
| pmbuf->data_len - |
| prx_pd->rx_pkt_offset, |
| MLAN_TX_DATA_BUF_SIZE_2K); |
| newbuf->data_len = |
| pmbuf->data_len - prx_pd->rx_pkt_offset; |
| wlan_wmm_add_buf_txqueue(pmadapter, newbuf); |
| if (util_scalar_read(pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock) > |
| RX_HIGH_THRESHOLD) |
| wlan_drop_tx_pkts(priv); |
| wlan_recv_event(priv, |
| MLAN_EVENT_ID_DRV_DEFER_HANDLING, |
| MNULL); |
| } |
| } |
| } else { |
| if ((!(priv->pkt_fwd & PKT_FWD_INTRA_UCAST)) && |
| (wlan_get_station_entry(priv, |
| prx_pkt->eth803_hdr.dest_addr))) { |
| /* Forwarding Intra-BSS packet */ |
| #ifdef USB |
| if (IS_USB(pmadapter->card_type)) { |
| if (pmbuf->flags & MLAN_BUF_FLAG_RX_DEAGGR) { |
| newbuf = wlan_alloc_mlan_buffer |
| (pmadapter, |
| MLAN_TX_DATA_BUF_SIZE_2K, 0, |
| MOAL_MALLOC_BUFFER); |
| if (newbuf) { |
| newbuf->bss_index = |
| pmbuf->bss_index; |
| newbuf->buf_type = |
| pmbuf->buf_type; |
| newbuf->priority = |
| pmbuf->priority; |
| newbuf->in_ts_sec = |
| pmbuf->in_ts_sec; |
| newbuf->in_ts_usec = |
| pmbuf->in_ts_usec; |
| newbuf->data_offset = |
| (sizeof(TxPD) + |
| priv->intf_hr_len + |
| DMA_ALIGNMENT); |
| util_scalar_increment |
| (pmadapter-> |
| pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock); |
| newbuf->flags |= |
| MLAN_BUF_FLAG_BRIDGE_BUF; |
| |
| /* copy the data, skip rxpd */ |
| memcpy_ext(pmadapter, |
| (t_u8 *)newbuf-> |
| pbuf + |
| newbuf->data_offset, |
| pmbuf->pbuf + |
| pmbuf->data_offset + |
| prx_pd-> |
| rx_pkt_offset, |
| pmbuf->data_len - |
| prx_pd-> |
| rx_pkt_offset, |
| pmbuf->data_len - |
| prx_pd-> |
| rx_pkt_offset); |
| newbuf->data_len = |
| pmbuf->data_len - |
| prx_pd->rx_pkt_offset; |
| wlan_wmm_add_buf_txqueue |
| (pmadapter, newbuf); |
| if (util_scalar_read |
| (pmadapter->pmoal_handle, |
| &pmadapter-> |
| pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock) > |
| RX_HIGH_THRESHOLD) |
| wlan_drop_tx_pkts(priv); |
| wlan_recv_event(priv, |
| MLAN_EVENT_ID_DRV_DEFER_HANDLING, |
| MNULL); |
| } |
| pmadapter->callbacks. |
| moal_recv_complete(pmadapter-> |
| pmoal_handle, |
| pmbuf, |
| pmadapter-> |
| rx_data_ep, |
| ret); |
| goto done; |
| } |
| } |
| #endif |
| pmbuf->data_len -= prx_pd->rx_pkt_offset; |
| pmbuf->data_offset += prx_pd->rx_pkt_offset; |
| pmbuf->flags |= MLAN_BUF_FLAG_BRIDGE_BUF; |
| util_scalar_increment(pmadapter->pmoal_handle, |
| &pmadapter->pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock); |
| wlan_wmm_add_buf_txqueue(pmadapter, pmbuf); |
| if (util_scalar_read(pmadapter->pmoal_handle, |
| &pmadapter->pending_bridge_pkts, |
| pmadapter->callbacks. |
| moal_spin_lock, |
| pmadapter->callbacks. |
| moal_spin_unlock) > |
| RX_HIGH_THRESHOLD) |
| wlan_drop_tx_pkts(priv); |
| wlan_recv_event(priv, MLAN_EVENT_ID_DRV_DEFER_HANDLING, |
| MNULL); |
| goto done; |
| } else if (MLAN_STATUS_FAILURE == |
| wlan_check_unicast_packet(priv, |
| prx_pkt->eth803_hdr. |
| dest_addr)) { |
| PRINTM(MDATA, "Drop Pkts: Rx dest " MACSTR "\n", |
| MAC2STR(prx_pkt->eth803_hdr.dest_addr)); |
| pmbuf->status_code = MLAN_ERROR_PKT_INVALID; |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| goto done; |
| } |
| } |
| |
| upload: |
| /* Chop off RxPD */ |
| pmbuf->data_len -= prx_pd->rx_pkt_offset; |
| pmbuf->data_offset += prx_pd->rx_pkt_offset; |
| pmbuf->pparent = MNULL; |
| |
| pmadapter->callbacks.moal_get_system_time(pmadapter->pmoal_handle, |
| &pmbuf->out_ts_sec, |
| &pmbuf->out_ts_usec); |
| PRINTM_NETINTF(MDATA, priv); |
| PRINTM(MDATA, "%lu.%06lu : Data => kernel seq_num=%d tid=%d\n", |
| pmbuf->out_ts_sec, pmbuf->out_ts_usec, prx_pd->seq_num, |
| prx_pd->priority); |
| |
| ret = pmadapter->callbacks.moal_recv_packet(pmadapter->pmoal_handle, |
| pmbuf); |
| if (ret == MLAN_STATUS_FAILURE) { |
| PRINTM(MERROR, |
| "uAP Rx Error: moal_recv_packet returned error\n"); |
| pmbuf->status_code = MLAN_ERROR_PKT_INVALID; |
| } |
| |
| if (ret != MLAN_STATUS_PENDING) |
| pmadapter->ops.data_complete(pmadapter, pmbuf, ret); |
| #ifdef USB |
| else if (IS_USB(pmadapter->card_type)) |
| pmadapter->callbacks.moal_recv_complete(pmadapter->pmoal_handle, |
| MNULL, |
| pmadapter->rx_data_ep, |
| ret); |
| #endif |
| done: |
| LEAVE(); |
| return ret; |
| } |
