1085 lines
30 KiB
C
1085 lines
30 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2015 - 2016 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _RTL8822BU_XMIT_C_
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#include <drv_types.h> /* PADAPTER, rtw_xmit.h and etc. */
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#include <hal_data.h> /* HAL_DATA_TYPE */
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#include "../../hal_halmac.h" /* halmac api */
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#include "../rtl8822b.h" /* rtl8822b_update_txdesc() */
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#include "rtl8822bu.h" /* OFFSET_SZ MAX_TX_AGG_PACKET_NUMBER_8822B */
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static void update_txdesc_h2c_pkt(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz)
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{
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u8 *ptxdesc = pmem;
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_adapter *padapter = pxmitframe->padapter;
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_rtw_memset(ptxdesc, 0, TXDESC_SIZE);
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SET_TX_DESC_TXPKTSIZE_8822B(ptxdesc, sz);
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SET_TX_DESC_QSEL_8822B(ptxdesc, HALMAC_QUEUE_SELECT_CMD);
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rtl8822b_cal_txdesc_chksum(padapter, ptxdesc);
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rtl8822b_dbg_dump_tx_desc(padapter, pxmitframe->frame_tag, ptxdesc);
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}
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static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz, u8 bagg_pkt)
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{
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int pull = 0;
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uint qsel;
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u8 data_rate, pwr_status, offset;
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_adapter *padapter = pxmitframe->padapter;
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struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
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struct pkt_attrib *pattrib = &pxmitframe->attrib;
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HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
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u8 *ptxdesc = pmem;
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struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
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struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
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sint bmcst = IS_MCAST(pattrib->ra);
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u16 SWDefineContent = 0x0;
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u8 DriverFixedRate = 0x0;
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#ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX
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if (padapter->registrypriv.mp_mode == 0) {
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if ((PACKET_OFFSET_SZ != 0) && (!bagg_pkt)
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&& (rtw_usb_bulk_size_boundary(padapter, (TXDESC_SIZE + sz)) == _FALSE)) {
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ptxdesc = (pmem + PACKET_OFFSET_SZ);
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/* RTW_INFO("==> non-agg-pkt,shift pointer...\n"); */
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pull = 1;
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}
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}
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#endif /* !CONFIG_USE_USB_BUFFER_ALLOC_TX */
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_rtw_memset(ptxdesc, 0, TXDESC_SIZE);
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/* offset 0 */
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SET_TX_DESC_LS_8822B(ptxdesc, 1);
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/* RTW_INFO("%s==> pkt_len=%d,bagg_pkt=%02x\n",__FUNCTION__,sz,bagg_pkt); */
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SET_TX_DESC_TXPKTSIZE_8822B(ptxdesc, sz);
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offset = TXDESC_SIZE + OFFSET_SZ;
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#ifdef CONFIG_TX_EARLY_MODE
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if (bagg_pkt)
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offset += EARLY_MODE_INFO_SIZE;
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#endif
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/* RTW_INFO("%s==>offset(0x%02x)\n",__FUNCTION__,offset); */
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SET_TX_DESC_OFFSET_8822B(ptxdesc, offset);
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if (bmcst)
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SET_TX_DESC_BMC_8822B(ptxdesc, 1);
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#ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX
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if (padapter->registrypriv.mp_mode == 0) {
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if ((PACKET_OFFSET_SZ != 0) && (!bagg_pkt)) {
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if ((pull) && (pxmitframe->pkt_offset > 0))
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pxmitframe->pkt_offset = pxmitframe->pkt_offset - 1;
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}
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}
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#endif /* !CONFIG_USE_USB_BUFFER_ALLOC_TX */
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/* RTW_INFO("%s, pkt_offset=0x%02x\n",__FUNCTION__,pxmitframe->pkt_offset); */
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/* pkt_offset, unit:8 bytes padding */
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if (pxmitframe->pkt_offset > 0)
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SET_TX_DESC_PKT_OFFSET_8822B(ptxdesc, pxmitframe->pkt_offset);
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SET_TX_DESC_MACID_8822B(ptxdesc, pattrib->mac_id);
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SET_TX_DESC_RATE_ID_8822B(ptxdesc, pattrib->raid);
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SET_TX_DESC_QSEL_8822B(ptxdesc, pattrib->qsel);
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/*offset 12 */
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if (!pattrib->qos_en) {
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/* HW sequence, to fix to use 0 queue. todo: 4AC packets to use auto queue select */
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SET_TX_DESC_EN_HWSEQ_8822B(ptxdesc, 1); /* Hw set sequence number */
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SET_TX_DESC_EN_HWEXSEQ_8822B(ptxdesc, 0);
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SET_TX_DESC_DISQSELSEQ_8822B(ptxdesc, 1);
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SET_TX_DESC_HW_SSN_SEL_8822B(ptxdesc, 0);
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} else
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SET_TX_DESC_SW_SEQ_8822B(ptxdesc, pattrib->seqnum);
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if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) {
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/* RTW_INFO("pxmitframe->frame_tag == DATA_FRAMETAG\n"); */
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rtl8822b_fill_txdesc_sectype(pattrib, ptxdesc);
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/* offset 20 */
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#ifdef CONFIG_USB_TX_AGGREGATION
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if (pxmitframe->agg_num > 1) {
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/* RTW_INFO("%s agg_num:%d\n",__FUNCTION__,pxmitframe->agg_num); */
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SET_TX_DESC_DMA_TXAGG_NUM_8822B(ptxdesc, pxmitframe->agg_num);
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}
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#endif /* CONFIG_USB_TX_AGGREGATION */
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rtl8822b_fill_txdesc_vcs(padapter, pattrib, ptxdesc);
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if ((pattrib->ether_type != 0x888e) &&
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(pattrib->ether_type != 0x0806) &&
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(pattrib->ether_type != 0x88b4) &&
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(pattrib->dhcp_pkt != 1)
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#ifdef CONFIG_AUTO_AP_MODE
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&& (pattrib->pctrl != _TRUE)
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#endif
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) {
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/* Non EAP & ARP & DHCP type data packet */
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if (pattrib->ampdu_en == _TRUE) {
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SET_TX_DESC_AGG_EN_8822B(ptxdesc, 1);
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SET_TX_DESC_MAX_AGG_NUM_8822B(ptxdesc, 0x1f);
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/* Set A-MPDU aggregation */
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SET_TX_DESC_AMPDU_DENSITY_8822B(ptxdesc, pattrib->ampdu_spacing);
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} else
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SET_TX_DESC_BK_8822B(ptxdesc, 1);
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rtl8822b_fill_txdesc_phy(padapter, pattrib, ptxdesc);
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/* compatibility for MCC consideration, use pmlmeext->cur_channel */
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if (pmlmeext->cur_channel > 14)
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/* for 5G. OFDM 6M */
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SET_TX_DESC_DATA_RTY_LOWEST_RATE_8822B(ptxdesc, 4);
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else
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/* for 2.4G. CCK 1M */
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SET_TX_DESC_DATA_RTY_LOWEST_RATE_8822B(ptxdesc, 0);
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if (pHalData->fw_ractrl == _FALSE) {
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SET_TX_DESC_USE_RATE_8822B(ptxdesc, 1);
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DriverFixedRate = 0x01;
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if (pHalData->INIDATA_RATE[pattrib->mac_id] & BIT(7))
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SET_TX_DESC_DATA_SHORT_8822B(ptxdesc, 1);
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SET_TX_DESC_DATARATE_8822B(ptxdesc, (pHalData->INIDATA_RATE[pattrib->mac_id] & 0x7F));
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}
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/* modify data rate by iwpriv or proc */
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if (padapter->fix_rate != 0xFF) {
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SET_TX_DESC_USE_RATE_8822B(ptxdesc, 1);
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DriverFixedRate = 0x01;
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if (padapter->fix_rate & BIT(7))
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SET_TX_DESC_DATA_SHORT_8822B(ptxdesc, 1);
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SET_TX_DESC_DATARATE_8822B(ptxdesc, (padapter->fix_rate & 0x7F));
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if (!padapter->data_fb)
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SET_TX_DESC_DISDATAFB_8822B(ptxdesc, 1);
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}
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if (pattrib->ldpc)
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SET_TX_DESC_DATA_LDPC_8822B(ptxdesc, 1);
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if (pattrib->stbc)
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SET_TX_DESC_DATA_STBC_8822B(ptxdesc, 1);
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} else {
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/*
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EAP data packet and ARP packet and DHCP.
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Use the 1M data rate to send the EAP/ARP packet.
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This will maybe make the handshake smooth.
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*/
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SET_TX_DESC_USE_RATE_8822B(ptxdesc, 1);
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DriverFixedRate = 0x01;
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SET_TX_DESC_BK_8822B(ptxdesc, 1);
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/* HW will ignore this setting if the transmission rate is legacy OFDM */
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if (pmlmeinfo->preamble_mode == PREAMBLE_SHORT)
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SET_TX_DESC_DATA_SHORT_8822B(ptxdesc, 1);
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SET_TX_DESC_DATARATE_8822B(ptxdesc, MRateToHwRate(pmlmeext->tx_rate));
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}
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} else if ((pxmitframe->frame_tag & 0x0f) == MGNT_FRAMETAG) {
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/* RTW_INFO("pxmitframe->frame_tag == MGNT_FRAMETAG\n"); */
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SET_TX_DESC_USE_RATE_8822B(ptxdesc, 1);
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DriverFixedRate = 0x01;
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#ifdef CONFIG_INTEL_PROXIM
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if ((padapter->proximity.proxim_on == _TRUE) && (pattrib->intel_proxim == _TRUE)) {
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RTW_INFO("\n %s pattrib->rate=%d\n", __func__, pattrib->rate);
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SET_TX_DESC_DATARATE_8822B(ptxdesc, pattrib->rate);
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} else
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#endif
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SET_TX_DESC_DATARATE_8822B(ptxdesc, MRateToHwRate(pattrib->rate));
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/* VHT NDPA or HT NDPA Packet for Beamformer. */
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if ((pattrib->subtype == WIFI_NDPA) ||
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((pattrib->subtype == WIFI_ACTION_NOACK) && (pattrib->order == 1))) {
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SET_TX_DESC_NAVUSEHDR_8822B(ptxdesc, 1);
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SET_TX_DESC_DATA_BW_8822B(ptxdesc, rtl8822b_bw_mapping(padapter, pattrib));
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SET_TX_DESC_RTS_SC_8822B(ptxdesc, rtl8822b_sc_mapping(padapter, pattrib));
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SET_TX_DESC_RTY_LMT_EN_8822B(ptxdesc, 1);
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SET_TX_DESC_RTS_DATA_RTY_LMT_8822B(ptxdesc, 5);
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SET_TX_DESC_DISRTSFB_8822B(ptxdesc, 1);
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SET_TX_DESC_NDPA_8822B(ptxdesc, 1);
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} else {
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SET_TX_DESC_RTY_LMT_EN_8822B(ptxdesc, 1);
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if (pattrib->retry_ctrl == _TRUE)
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SET_TX_DESC_RTS_DATA_RTY_LMT_8822B(ptxdesc, 6);
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else
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SET_TX_DESC_RTS_DATA_RTY_LMT_8822B(ptxdesc, 12);
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}
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#ifdef CONFIG_XMIT_ACK
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/* CCX-TXRPT ack for xmit mgmt frames */
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if (pxmitframe->ack_report) {
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SET_TX_DESC_SPE_RPT_8822B(ptxdesc, 1);
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#ifdef DBG_CCX
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RTW_INFO("%s set tx report\n", __func__);
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#endif
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}
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#endif /* CONFIG_XMIT_ACK */
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} else if ((pxmitframe->frame_tag & 0x0f) == TXAGG_FRAMETAG)
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RTW_INFO("pxmitframe->frame_tag == TXAGG_FRAMETAG\n");
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else if (((pxmitframe->frame_tag & 0x0f) == MP_FRAMETAG) &&
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(padapter->registrypriv.mp_mode == 1))
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fill_txdesc_for_mp(padapter, ptxdesc);
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else {
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RTW_INFO("pxmitframe->frame_tag = %d\n", pxmitframe->frame_tag);
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SET_TX_DESC_USE_RATE_8822B(ptxdesc, 1);
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DriverFixedRate = 0x01;
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SET_TX_DESC_DATARATE_8822B(ptxdesc, MRateToHwRate(pmlmeext->tx_rate));
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}
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if (DriverFixedRate)
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SWDefineContent |= 0x01;
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SET_TX_DESC_SW_DEFINE_8822B(ptxdesc, SWDefineContent);
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rtl8822b_cal_txdesc_chksum(padapter, ptxdesc);
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rtl8822b_dbg_dump_tx_desc(padapter, pxmitframe->frame_tag, ptxdesc);
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return pull;
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}
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#ifdef CONFIG_XMIT_THREAD_MODE
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/*
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* Description
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* Transmit xmitbuf to hardware tx fifo
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*
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* Return
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* _SUCCESS ok
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* _FAIL something error
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*/
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s32 rtl8822bu_xmit_buf_handler(PADAPTER padapter)
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{
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PHAL_DATA_TYPE phal;
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struct xmit_priv *pxmitpriv;
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struct xmit_buf *pxmitbuf;
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s32 ret;
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phal = GET_HAL_DATA(padapter);
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pxmitpriv = &padapter->xmitpriv;
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ret = _rtw_down_sema(&pxmitpriv->xmit_sema);
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if (_FAIL == ret) {
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RT_TRACE(_module_hal_xmit_c_, _drv_emerg_,
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("%s: down SdioXmitBufSema fail!\n", __FUNCTION__));
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return _FAIL;
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}
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if (RTW_CANNOT_RUN(padapter)) {
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RT_TRACE(_module_hal_xmit_c_, _drv_notice_
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, ("%s: bDriverStopped(%s) bSurpriseRemoved(%s)!\n"
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, __func__
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, rtw_is_drv_stopped(padapter) ? "True" : "False"
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, rtw_is_surprise_removed(padapter) ? "True" : "False");
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return _FAIL;
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}
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if (check_pending_xmitbuf(pxmitpriv) == _FALSE)
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return _SUCCESS;
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#ifdef CONFIG_LPS_LCLK
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ret = rtw_register_tx_alive(padapter);
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if (ret != _SUCCESS) {
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RT_TRACE(_module_hal_xmit_c_, _drv_notice_,
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("%s: wait to leave LPS_LCLK\n", __FUNCTION__));
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return _SUCCESS;
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}
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#endif /* CONFIG_LPS_LCLK */
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do {
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pxmitbuf = dequeue_pending_xmitbuf(pxmitpriv);
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if (pxmitbuf == NULL)
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break;
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rtw_write_port(padapter, pxmitbuf->ff_hwaddr, pxmitbuf->len, (unsigned char *)pxmitbuf);
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} while (1);
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#ifdef CONFIG_LPS_LCLK
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rtw_unregister_tx_alive(padapter);
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#endif /*CONFIG_LPS_LCLK */
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return _SUCCESS;
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}
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#endif /* CONFIG_XMIT_THREAD_MODE */
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/* for non-agg data frame or management frame */
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static s32 rtw_dump_xframe(PADAPTER padapter, struct xmit_frame *pxmitframe)
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{
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s32 ret = _SUCCESS;
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s32 inner_ret = _SUCCESS;
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int t, sz, w_sz, pull = 0;
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u8 *mem_addr;
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u8 ff_hwaddr;
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struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
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struct pkt_attrib *pattrib = &pxmitframe->attrib;
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struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
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struct security_priv *psecuritypriv = &padapter->securitypriv;
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struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
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#ifdef CONFIG_80211N_HT
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if ((pxmitframe->frame_tag == DATA_FRAMETAG) &&
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(pxmitframe->attrib.ether_type != 0x0806) &&
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(pxmitframe->attrib.ether_type != 0x888e) &&
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(pxmitframe->attrib.ether_type != 0x88b4) &&
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(pxmitframe->attrib.dhcp_pkt != 1))
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rtw_issue_addbareq_cmd(padapter, pxmitframe);
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#endif /* CONFIG_80211N_HT */
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mem_addr = pxmitframe->buf_addr;
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for (t = 0; t < pattrib->nr_frags; t++) {
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if (inner_ret != _SUCCESS && ret == _SUCCESS)
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ret = _FAIL;
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if (t != (pattrib->nr_frags - 1)) {
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RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("pattrib->nr_frags=%d\n", pattrib->nr_frags));
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sz = pxmitpriv->frag_len;
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sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len);
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} else /* no frag */
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sz = pattrib->last_txcmdsz;
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if (pattrib->qsel == HALMAC_TXDESC_QSEL_H2C_CMD) {
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update_txdesc_h2c_pkt(pxmitframe, mem_addr, sz);
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w_sz = sz + TXDESC_SIZE;
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} else {
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pull = update_txdesc(pxmitframe, mem_addr, sz, _FALSE);
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if (pull) {
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/* pull txdesc head */
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mem_addr += PACKET_OFFSET_SZ;
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pxmitframe->buf_addr = mem_addr;
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w_sz = sz + TXDESC_SIZE;
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} else
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w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ;
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}
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#ifdef RTW_HALMAC
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pxmitbuf->bulkout_id = rtw_halmac_usb_get_bulkout_id(pdvobj, mem_addr, w_sz);
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#endif
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ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe);
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#ifdef CONFIG_XMIT_THREAD_MODE
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pxmitbuf->len = w_sz;
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pxmitbuf->ff_hwaddr = ff_hwaddr;
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enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf);
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#else
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inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf);
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#endif
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rtw_count_tx_stats(padapter, pxmitframe, sz);
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/* RTW_INFO("rtw_write_port, w_sz=%d, sz=%d, txdesc_sz=%d, tid=%d\n", w_sz, sz, w_sz-sz, pattrib->priority);*/
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mem_addr += w_sz;
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mem_addr = (u8 *)RND4(((SIZE_PTR)(mem_addr)));
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}
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rtw_free_xmitframe(pxmitpriv, pxmitframe);
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if (ret != _SUCCESS)
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rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);
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return ret;
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}
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#ifdef CONFIG_USB_TX_AGGREGATION
|
|
static u32 xmitframe_need_length(struct xmit_frame *pxmitframe)
|
|
{
|
|
struct pkt_attrib *pattrib = &pxmitframe->attrib;
|
|
|
|
u32 len = 0;
|
|
|
|
/* no consider fragement */
|
|
len = pattrib->hdrlen + pattrib->iv_len +
|
|
SNAP_SIZE + sizeof(u16) +
|
|
pattrib->pktlen +
|
|
((pattrib->bswenc) ? pattrib->icv_len : 0);
|
|
|
|
if (pattrib->encrypt == _TKIP_)
|
|
len += 8;
|
|
|
|
return len;
|
|
}
|
|
|
|
#define IDEA_CONDITION 1 /* check all packets before enqueue */
|
|
static s32 rtl8822bu_xmitframe_complete(PADAPTER padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
|
|
{
|
|
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
|
|
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
|
|
struct xmit_frame *pxmitframe = NULL;
|
|
struct xmit_frame *pfirstframe = NULL;
|
|
|
|
/* aggregate variable */
|
|
struct hw_xmit *phwxmit;
|
|
struct sta_info *psta = NULL;
|
|
struct tx_servq *ptxservq = NULL;
|
|
|
|
_irqL irqL;
|
|
_list *xmitframe_plist = NULL, *xmitframe_phead = NULL;
|
|
|
|
u32 pbuf; /* next pkt address */
|
|
u32 pbuf_tail; /* last pkt tail */
|
|
u32 len; /* packet length, except TXDESC_SIZE and PKT_OFFSET */
|
|
|
|
u32 bulkSize = pHalData->UsbBulkOutSize;
|
|
u8 descCount;
|
|
u32 bulkPtr;
|
|
|
|
/* dump frame variable */
|
|
u8 ff_hwaddr;
|
|
|
|
_list *sta_plist, *sta_phead;
|
|
u8 single_sta_in_queue = _FALSE;
|
|
|
|
#ifndef IDEA_CONDITION
|
|
int res = _SUCCESS;
|
|
#endif
|
|
|
|
RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n"));
|
|
|
|
|
|
/* check xmitbuffer is ok */
|
|
if (pxmitbuf == NULL) {
|
|
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
|
|
if (pxmitbuf == NULL)
|
|
return _FALSE;
|
|
}
|
|
|
|
/* 1. pick up first frame */
|
|
do {
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
|
|
pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
|
|
if (pxmitframe == NULL) {
|
|
/* no more xmit frame, release xmit buffer */
|
|
/* RTW_INFO("%s: no more xmit frame\n", __func__); */
|
|
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
|
|
return _FALSE;
|
|
}
|
|
|
|
#ifndef IDEA_CONDITION
|
|
if (pxmitframe->frame_tag != DATA_FRAMETAG) {
|
|
RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_,
|
|
("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n",
|
|
pxmitframe->frame_tag, DATA_FRAMETAG));
|
|
continue;
|
|
}
|
|
|
|
/* TID 0~15 */
|
|
if ((pxmitframe->attrib.priority < 0) ||
|
|
(pxmitframe->attrib.priority > 15)) {
|
|
RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_,
|
|
("xmitframe_complete: TID(%d) should be 0~15!\n", pxmitframe->attrib.priority));
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
pxmitframe->pxmitbuf = pxmitbuf;
|
|
pxmitframe->buf_addr = pxmitbuf->pbuf;
|
|
pxmitbuf->priv_data = pxmitframe;
|
|
|
|
pxmitframe->agg_num = 1; /* alloc xmitframe should assign to 1. */
|
|
#ifdef CONFIG_TX_EARLY_MODE
|
|
/* first frame of aggregation, reserve one offset for EM info ,another for usb bulk-out block check */
|
|
pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8) + 1;
|
|
#else
|
|
/* first frame of aggregation, reserve offset */
|
|
pxmitframe->pkt_offset = (PACKET_OFFSET_SZ / 8);
|
|
#endif
|
|
|
|
if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) {
|
|
RTW_INFO("%s: coalesce 1st xmitframe failed\n", __func__);
|
|
continue;
|
|
}
|
|
|
|
|
|
/* always return ndis_packet after rtw_xmitframe_coalesce */
|
|
rtw_os_xmit_complete(padapter, pxmitframe);
|
|
|
|
break;
|
|
} while (1);
|
|
|
|
/* 2. aggregate same priority and same DA(AP or STA) frames */
|
|
pfirstframe = pxmitframe;
|
|
len = xmitframe_need_length(pfirstframe) + TXDESC_SIZE + (pfirstframe->pkt_offset * PACKET_OFFSET_SZ);
|
|
pbuf_tail = len;
|
|
pbuf = _RND8(pbuf_tail);
|
|
|
|
/* check pkt amount in one bulk */
|
|
descCount = 0;
|
|
bulkPtr = bulkSize;
|
|
if (pbuf < bulkPtr) {
|
|
descCount++;
|
|
if (descCount == pHalData->UsbTxAggDescNum)
|
|
goto agg_end;
|
|
} else {
|
|
descCount = 0;
|
|
bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; /* round to next bulkSize */
|
|
}
|
|
|
|
/* dequeue same priority packet from station tx queue */
|
|
psta = pfirstframe->attrib.psta;
|
|
switch (pfirstframe->attrib.priority) {
|
|
case 1:
|
|
case 2:
|
|
ptxservq = &(psta->sta_xmitpriv.bk_q);
|
|
phwxmit = pxmitpriv->hwxmits + 3;
|
|
break;
|
|
|
|
case 4:
|
|
case 5:
|
|
ptxservq = &(psta->sta_xmitpriv.vi_q);
|
|
phwxmit = pxmitpriv->hwxmits + 1;
|
|
break;
|
|
|
|
case 6:
|
|
case 7:
|
|
ptxservq = &(psta->sta_xmitpriv.vo_q);
|
|
phwxmit = pxmitpriv->hwxmits;
|
|
break;
|
|
|
|
case 0:
|
|
case 3:
|
|
default:
|
|
ptxservq = &(psta->sta_xmitpriv.be_q);
|
|
phwxmit = pxmitpriv->hwxmits + 2;
|
|
break;
|
|
}
|
|
|
|
/* RTW_INFO("==> pkt_no=%d,pkt_len=%d,len=%d,RND8_LEN=%d,pkt_offset=0x%02x\n",
|
|
pxmitframe->agg_num,pxmitframe->attrib.last_txcmdsz,len,pbuf,pxmitframe->pkt_offset ); */
|
|
|
|
|
|
_enter_critical_bh(&pxmitpriv->lock, &irqL);
|
|
|
|
sta_phead = get_list_head(phwxmit->sta_queue);
|
|
sta_plist = get_next(sta_phead);
|
|
single_sta_in_queue = rtw_end_of_queue_search(sta_phead, get_next(sta_plist));
|
|
|
|
xmitframe_phead = get_list_head(&ptxservq->sta_pending);
|
|
xmitframe_plist = get_next(xmitframe_phead);
|
|
|
|
while (rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist) == _FALSE) {
|
|
pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);
|
|
xmitframe_plist = get_next(xmitframe_plist);
|
|
|
|
if (_FAIL == rtw_hal_busagg_qsel_check(padapter, pfirstframe->attrib.qsel, pxmitframe->attrib.qsel))
|
|
break;
|
|
|
|
pxmitframe->agg_num = 0; /* not first frame of aggregation */
|
|
#ifdef CONFIG_TX_EARLY_MODE
|
|
pxmitframe->pkt_offset = 1;/* not first frame of aggregation,reserve offset for EM Info */
|
|
#else
|
|
pxmitframe->pkt_offset = 0; /* not first frame of aggregation, no need to reserve offset */
|
|
#endif
|
|
|
|
len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
|
|
|
|
if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) {
|
|
/* RTW_INFO("%s: len> MAX_XMITBUF_SZ\n", __func__); */
|
|
pxmitframe->agg_num = 1;
|
|
pxmitframe->pkt_offset = 1;
|
|
break;
|
|
}
|
|
rtw_list_delete(&pxmitframe->list);
|
|
ptxservq->qcnt--;
|
|
phwxmit->accnt--;
|
|
|
|
#ifndef IDEA_CONDITION
|
|
/* suppose only data frames would be in queue */
|
|
if (pxmitframe->frame_tag != DATA_FRAMETAG) {
|
|
RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_,
|
|
("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n",
|
|
pxmitframe->frame_tag, DATA_FRAMETAG));
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
continue;
|
|
}
|
|
|
|
/* TID 0~15 */
|
|
if ((pxmitframe->attrib.priority < 0) ||
|
|
(pxmitframe->attrib.priority > 15)) {
|
|
RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_,
|
|
("xmitframe_complete: TID(%d) should be 0~15!\n",
|
|
pxmitframe->attrib.priority));
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf;
|
|
|
|
if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) {
|
|
RTW_INFO("%s coalesce failed\n", __func__);
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
continue;
|
|
}
|
|
|
|
/* always return ndis_packet after rtw_xmitframe_coalesce */
|
|
rtw_os_xmit_complete(padapter, pxmitframe);
|
|
|
|
update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz, _TRUE);
|
|
|
|
/* don't need xmitframe any more */
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
|
|
/* handle pointer and stop condition */
|
|
pbuf_tail = pbuf + len;
|
|
pbuf = _RND8(pbuf_tail);
|
|
|
|
|
|
pfirstframe->agg_num++;
|
|
#ifdef CONFIG_TX_EARLY_MODE
|
|
pxmitpriv->agg_pkt[pfirstframe->agg_num - 1].offset = _RND8(len);
|
|
pxmitpriv->agg_pkt[pfirstframe->agg_num - 1].pkt_len = pxmitframe->attrib.last_txcmdsz;
|
|
#endif
|
|
if (MAX_TX_AGG_PACKET_NUMBER_8822B == pfirstframe->agg_num)
|
|
break;
|
|
|
|
if (pbuf < bulkPtr) {
|
|
descCount++;
|
|
if (descCount == pHalData->UsbTxAggDescNum)
|
|
break;
|
|
} else {
|
|
descCount = 0;
|
|
bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize;
|
|
}
|
|
} /* end while( aggregate same priority and same DA(AP or STA) frames) */
|
|
if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE)
|
|
rtw_list_delete(&ptxservq->tx_pending);
|
|
else if (single_sta_in_queue == _FALSE) {
|
|
/* Re-arrange the order of stations in this ac queue to balance the service for these stations */
|
|
rtw_list_delete(&ptxservq->tx_pending);
|
|
rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(phwxmit->sta_queue));
|
|
}
|
|
|
|
_exit_critical_bh(&pxmitpriv->lock, &irqL);
|
|
agg_end:
|
|
#ifdef CONFIG_80211N_HT
|
|
if ((pfirstframe->attrib.ether_type != 0x0806) &&
|
|
(pfirstframe->attrib.ether_type != 0x888e) &&
|
|
(pfirstframe->attrib.ether_type != 0x88b4) &&
|
|
(pfirstframe->attrib.dhcp_pkt != 1))
|
|
rtw_issue_addbareq_cmd(padapter, pfirstframe);
|
|
#endif /* CONFIG_80211N_HT */
|
|
#ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX
|
|
/* 3. update first frame txdesc */
|
|
if ((PACKET_OFFSET_SZ != 0) && ((pbuf_tail % bulkSize) == 0)) {
|
|
/* remove pkt_offset */
|
|
pbuf_tail -= PACKET_OFFSET_SZ;
|
|
pfirstframe->buf_addr += PACKET_OFFSET_SZ;
|
|
pfirstframe->pkt_offset--;
|
|
}
|
|
#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
|
|
|
|
update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz, _TRUE);
|
|
|
|
#ifdef CONFIG_TX_EARLY_MODE
|
|
/* prepare EM info for first frame, agg_num value start from 1 */
|
|
pxmitpriv->agg_pkt[0].offset = _RND8(pfirstframe->attrib.last_txcmdsz + TXDESC_SIZE + (pfirstframe->pkt_offset * PACKET_OFFSET_SZ));
|
|
/* get from rtw_xmitframe_coalesce */
|
|
pxmitpriv->agg_pkt[0].pkt_len = pfirstframe->attrib.last_txcmdsz;
|
|
|
|
UpdateEarlyModeInfo8812(pxmitpriv, pxmitbuf);
|
|
#endif /*CONFIG_TX_EARLY_MODE*/
|
|
|
|
/* 4. write xmit buffer to USB FIFO */
|
|
#ifdef RTW_HALMAC
|
|
pxmitbuf->bulkout_id = rtw_halmac_usb_get_bulkout_id(pdvobj, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz);
|
|
#endif
|
|
ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe);
|
|
|
|
rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf);
|
|
|
|
|
|
/* 5. update statisitc */
|
|
pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE);
|
|
pbuf_tail -= (pfirstframe->pkt_offset * PACKET_OFFSET_SZ);
|
|
|
|
|
|
rtw_count_tx_stats(padapter, pfirstframe, pbuf_tail);
|
|
|
|
rtw_free_xmitframe(pxmitpriv, pfirstframe);
|
|
|
|
return _TRUE;
|
|
}
|
|
|
|
#else /* CONFIG_USB_TX_AGGREGATION */
|
|
|
|
static s32 rtl8822bu_xmitframe_complete(PADAPTER padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
|
|
{
|
|
|
|
struct hw_xmit *phwxmits;
|
|
sint hwentry;
|
|
struct xmit_frame *pxmitframe = NULL;
|
|
int res = _SUCCESS, xcnt = 0;
|
|
|
|
phwxmits = pxmitpriv->hwxmits;
|
|
hwentry = pxmitpriv->hwxmit_entry;
|
|
|
|
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("xmitframe_complete()\n"));
|
|
|
|
if (pxmitbuf == NULL) {
|
|
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
|
|
if (!pxmitbuf)
|
|
return _FALSE;
|
|
}
|
|
|
|
|
|
do {
|
|
pxmitframe = rtw_dequeue_xframe(pxmitpriv, phwxmits, hwentry);
|
|
|
|
if (pxmitframe) {
|
|
pxmitframe->pxmitbuf = pxmitbuf;
|
|
|
|
pxmitframe->buf_addr = pxmitbuf->pbuf;
|
|
|
|
pxmitbuf->priv_data = pxmitframe;
|
|
|
|
if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) {
|
|
/* TID0~15 */
|
|
if (pxmitframe->attrib.priority <= 15)
|
|
res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
|
|
|
|
rtw_os_xmit_complete(padapter, pxmitframe);/* always return ndis_packet after rtw_xmitframe_coalesce */
|
|
}
|
|
|
|
|
|
RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("xmitframe_complete(): rtw_dump_xframe\n"));
|
|
|
|
|
|
if (res == _SUCCESS)
|
|
rtw_dump_xframe(padapter, pxmitframe);
|
|
else {
|
|
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
}
|
|
|
|
xcnt++;
|
|
|
|
} else {
|
|
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
|
|
return _FALSE;
|
|
}
|
|
|
|
break;
|
|
|
|
} while (0/*xcnt < (NR_XMITFRAME >> 3)*/);
|
|
|
|
return _TRUE;
|
|
|
|
}
|
|
#endif
|
|
|
|
static void rtl8822bu_xmit_tasklet(void *priv)
|
|
{
|
|
int ret = _FALSE;
|
|
_adapter *padapter = (_adapter *)priv;
|
|
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
|
|
|
|
while (1) {
|
|
if (RTW_CANNOT_TX(padapter)) {
|
|
RTW_INFO("xmit_tasklet => bDriverStopped or bSurpriseRemoved or bWritePortCancel\n");
|
|
break;
|
|
}
|
|
|
|
if (rtw_xmit_ac_blocked(padapter) == _TRUE)
|
|
break;
|
|
|
|
ret = rtl8822bu_xmitframe_complete(padapter, pxmitpriv, NULL);
|
|
|
|
if (ret == _FALSE)
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
s32 rtl8822bu_init_xmit_priv(PADAPTER padapter)
|
|
{
|
|
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
|
|
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
|
|
|
|
#ifdef PLATFORM_LINUX
|
|
tasklet_init(&pxmitpriv->xmit_tasklet,
|
|
(void(*)(unsigned long))rtl8822bu_xmit_tasklet,
|
|
(unsigned long)padapter);
|
|
#endif
|
|
#ifdef CONFIG_TX_EARLY_MODE
|
|
pHalData->bEarlyModeEnable = padapter->registrypriv.early_mode;
|
|
#endif
|
|
|
|
return _SUCCESS;
|
|
}
|
|
|
|
void rtl8822bu_free_xmit_priv(PADAPTER padapter)
|
|
{
|
|
}
|
|
|
|
static s32 xmitframe_direct(PADAPTER padapter, struct xmit_frame *pxmitframe)
|
|
{
|
|
s32 res = _SUCCESS;
|
|
|
|
res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
|
|
if (res == _SUCCESS)
|
|
rtw_dump_xframe(padapter, pxmitframe);
|
|
else
|
|
RTW_INFO("%s: xmitframe_coalsece failed\n", __func__);
|
|
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
* Return
|
|
* _TRUE dump packet directly
|
|
* _FALSE enqueue packet
|
|
*/
|
|
static s32 pre_xmitframe(PADAPTER padapter, struct xmit_frame *pxmitframe)
|
|
{
|
|
_irqL irqL;
|
|
s32 res;
|
|
struct xmit_buf *pxmitbuf = NULL;
|
|
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
|
|
struct pkt_attrib *pattrib = &pxmitframe->attrib;
|
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
|
|
|
_enter_critical_bh(&pxmitpriv->lock, &irqL);
|
|
|
|
if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0)
|
|
goto enqueue;
|
|
|
|
if (rtw_xmit_ac_blocked(padapter) == _TRUE)
|
|
goto enqueue;
|
|
|
|
if (padapter->dvobj->iface_state.lg_sta_num)
|
|
goto enqueue;
|
|
|
|
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
|
|
if (pxmitbuf == NULL)
|
|
goto enqueue;
|
|
|
|
_exit_critical_bh(&pxmitpriv->lock, &irqL);
|
|
|
|
pxmitframe->pxmitbuf = pxmitbuf;
|
|
pxmitframe->buf_addr = pxmitbuf->pbuf;
|
|
pxmitbuf->priv_data = pxmitframe;
|
|
|
|
if (xmitframe_direct(padapter, pxmitframe) != _SUCCESS) {
|
|
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
}
|
|
|
|
return _TRUE;
|
|
|
|
enqueue:
|
|
res = rtw_xmitframe_enqueue(padapter, pxmitframe);
|
|
_exit_critical_bh(&pxmitpriv->lock, &irqL);
|
|
|
|
if (res != _SUCCESS) {
|
|
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
|
|
pxmitpriv->tx_drop++;
|
|
return _TRUE;
|
|
}
|
|
|
|
return _FALSE;
|
|
}
|
|
|
|
s32 rtl8822bu_mgnt_xmit(PADAPTER padapter, struct xmit_frame *pmgntframe)
|
|
{
|
|
return rtw_dump_xframe(padapter, pmgntframe);
|
|
}
|
|
|
|
/*
|
|
* Return
|
|
* _TRUE dump packet directly ok
|
|
* _FALSE temporary can't transmit packets to hardware
|
|
*/
|
|
s32 rtl8822bu_hal_xmit(PADAPTER padapter, struct xmit_frame *pxmitframe)
|
|
{
|
|
return pre_xmitframe(padapter, pxmitframe);
|
|
}
|
|
|
|
s32 rtl8822bu_hal_xmitframe_enqueue(PADAPTER padapter, struct xmit_frame *pxmitframe)
|
|
{
|
|
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
|
|
s32 err;
|
|
|
|
err = rtw_xmitframe_enqueue(padapter, pxmitframe);
|
|
if (err != _SUCCESS) {
|
|
rtw_free_xmitframe(pxmitpriv, pxmitframe);
|
|
pxmitpriv->tx_drop++;
|
|
} else {
|
|
#ifdef PLATFORM_LINUX
|
|
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
|
|
#endif
|
|
}
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
#ifdef CONFIG_HOSTAPD_MLME
|
|
|
|
static void rtl8822bu_hostap_mgnt_xmit_cb(struct urb *urb)
|
|
{
|
|
#ifdef PLATFORM_LINUX
|
|
struct sk_buff *skb = (struct sk_buff *)urb->context;
|
|
|
|
rtw_skb_free(skb);
|
|
#endif
|
|
}
|
|
|
|
s32 rtl8822bu_hostap_mgnt_xmit_entry(PADAPTER padapter, _pkt *pkt)
|
|
{
|
|
#ifdef PLATFORM_LINUX
|
|
u16 fc;
|
|
int rc, len, pipe;
|
|
unsigned int bmcst, tid, qsel;
|
|
struct sk_buff *skb, *pxmit_skb;
|
|
struct urb *urb;
|
|
unsigned char *pxmitbuf;
|
|
struct tx_desc *ptxdesc;
|
|
struct rtw_ieee80211_hdr *tx_hdr;
|
|
struct hostapd_priv *phostapdpriv = padapter->phostapdpriv;
|
|
struct net_device *pnetdev = padapter->pnetdev;
|
|
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
|
|
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
|
|
|
|
skb = pkt;
|
|
|
|
len = skb->len;
|
|
tx_hdr = (struct rtw_ieee80211_hdr *)(skb->data);
|
|
fc = le16_to_cpu(tx_hdr->frame_ctl);
|
|
bmcst = IS_MCAST(tx_hdr->addr1);
|
|
|
|
if ((fc & RTW_IEEE80211_FCTL_FTYPE) != RTW_IEEE80211_FTYPE_MGMT)
|
|
goto _exit;
|
|
|
|
pxmit_skb = rtw_skb_alloc(len + TXDESC_SIZE);
|
|
|
|
if (!pxmit_skb)
|
|
goto _exit;
|
|
|
|
pxmitbuf = pxmit_skb->data;
|
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
goto _exit;
|
|
|
|
/* ----- fill tx desc ----- */
|
|
ptxdesc = (struct tx_desc *)pxmitbuf;
|
|
_rtw_memset(ptxdesc, 0, sizeof(*ptxdesc));
|
|
|
|
/* offset 0 */
|
|
ptxdesc->txdw0 |= cpu_to_le32(len & 0x0000ffff);
|
|
ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000);/* default = 32 bytes for TX Desc */
|
|
ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
|
|
|
|
if (bmcst)
|
|
ptxdesc->txdw0 |= cpu_to_le32(BIT(24));
|
|
|
|
/* offset 4 */
|
|
ptxdesc->txdw1 |= cpu_to_le32(0x00); /* MAC_ID */
|
|
|
|
ptxdesc->txdw1 |= cpu_to_le32((0x12 << QSEL_SHT) & 0x00001f00);
|
|
|
|
ptxdesc->txdw1 |= cpu_to_le32((0x06 << 16) & 0x000f0000);/* b mode */
|
|
|
|
/* offset 8 */
|
|
|
|
/* offset 12 */
|
|
ptxdesc->txdw3 |= cpu_to_le32((le16_to_cpu(tx_hdr->seq_ctl) << 16) & 0xffff0000);
|
|
|
|
/* offset 16 */
|
|
ptxdesc->txdw4 |= cpu_to_le32(BIT(8)); /* driver uses rate */
|
|
|
|
/* offset 20 */
|
|
|
|
|
|
/* HW append seq */
|
|
ptxdesc->txdw4 |= cpu_to_le32(BIT(7)); /* Hw set sequence number */
|
|
ptxdesc->txdw3 |= cpu_to_le32((8 << 28)); /* set bit3 to 1. Suugested by TimChen. 2009.12.29. */
|
|
|
|
|
|
rtl8822b_cal_txdesc_chksum(padapter, ptxdesc);
|
|
/* ----- end of fill tx desc -----*/
|
|
|
|
|
|
skb_put(pxmit_skb, len + TXDESC_SIZE);
|
|
pxmitbuf = pxmitbuf + TXDESC_SIZE;
|
|
_rtw_memcpy(pxmitbuf, skb->data, len);
|
|
|
|
/*RTW_INFO("mgnt_xmit, len=%x\n", pxmit_skb->len); */
|
|
|
|
|
|
/* ----- prepare urb for submit -----*/
|
|
|
|
/* translate DMA FIFO addr to pipehandle */
|
|
pipe = usb_sndbulkpipe(pdvobj->pusbdev, pHalData->Queue2EPNum[(u8)MGT_QUEUE_INX] & 0x0f);
|
|
|
|
usb_fill_bulk_urb(urb, pdvobj->pusbdev, pipe,
|
|
pxmit_skb->data, pxmit_skb->len, rtl8192cu_hostap_mgnt_xmit_cb, pxmit_skb);
|
|
|
|
urb->transfer_flags |= URB_ZERO_PACKET;
|
|
usb_anchor_urb(urb, &phostapdpriv->anchored);
|
|
rc = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (rc < 0) {
|
|
usb_unanchor_urb(urb);
|
|
kfree_skb(skb);
|
|
}
|
|
usb_free_urb(urb);
|
|
|
|
|
|
_exit:
|
|
|
|
rtw_skb_free(skb);
|
|
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
}
|
|
#endif
|