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path: root/drivers/staging/r8188eu/hal/rtl8188eu_xmit.c
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Diffstat (limited to 'drivers/staging/r8188eu/hal/rtl8188eu_xmit.c')
-rw-r--r--drivers/staging/r8188eu/hal/rtl8188eu_xmit.c627
1 files changed, 0 insertions, 627 deletions
diff --git a/drivers/staging/r8188eu/hal/rtl8188eu_xmit.c b/drivers/staging/r8188eu/hal/rtl8188eu_xmit.c
deleted file mode 100644
index 3ffab4953a5c..000000000000
--- a/drivers/staging/r8188eu/hal/rtl8188eu_xmit.c
+++ /dev/null
@@ -1,627 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2007 - 2011 Realtek Corporation. */
-
-#define _RTL8188E_XMIT_C_
-#include "../include/osdep_service.h"
-#include "../include/drv_types.h"
-#include "../include/wifi.h"
-#include "../include/osdep_intf.h"
-#include "../include/usb_ops.h"
-#include "../include/rtl8188e_hal.h"
-
-static void rtl8188eu_cal_txdesc_chksum(struct tx_desc *ptxdesc)
-{
- u16 *usptr = (u16 *)ptxdesc;
- u32 count = 16; /* (32 bytes / 2 bytes per XOR) => 16 times */
- u32 index;
- u16 checksum = 0;
-
- /* Clear first */
- ptxdesc->txdw7 &= cpu_to_le32(0xffff0000);
-
- for (index = 0; index < count; index++)
- checksum = checksum ^ le16_to_cpu(*(__le16 *)(usptr + index));
- ptxdesc->txdw7 |= cpu_to_le32(0x0000ffff & checksum);
-}
-
-/* Description: In normal chip, we should send some packet to Hw which will be used by Fw */
-/* in FW LPS mode. The function is to fill the Tx descriptor of this packets, then */
-/* Fw can tell Hw to send these packet derectly. */
-void rtl8188e_fill_fake_txdesc(struct adapter *adapt, u8 *desc, u32 BufferLen, u8 ispspoll, u8 is_btqosnull)
-{
- struct tx_desc *ptxdesc;
-
- /* Clear all status */
- ptxdesc = (struct tx_desc *)desc;
- memset(desc, 0, TXDESC_SIZE);
-
- /* offset 0 */
- ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); /* own, bFirstSeg, bLastSeg; */
-
- ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000); /* 32 bytes for TX Desc */
-
- ptxdesc->txdw0 |= cpu_to_le32(BufferLen & 0x0000ffff); /* Buffer size + command header */
-
- /* offset 4 */
- ptxdesc->txdw1 |= cpu_to_le32((QSLT_MGNT << QSEL_SHT) & 0x00001f00); /* Fixed queue of Mgnt queue */
-
- /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error vlaue by Hw. */
- if (ispspoll) {
- ptxdesc->txdw1 |= cpu_to_le32(NAVUSEHDR);
- } else {
- 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. */
- }
-
- if (is_btqosnull)
- ptxdesc->txdw2 |= cpu_to_le32(BIT(23)); /* BT NULL */
-
- /* offset 16 */
- ptxdesc->txdw4 |= cpu_to_le32(BIT(8));/* driver uses rate */
-
- /* USB interface drop packet if the checksum of descriptor isn't correct. */
- /* Using this checksum can let hardware recovery from packet bulk out error (e.g. Cancel URC, Bulk out error.). */
- rtl8188eu_cal_txdesc_chksum(ptxdesc);
-}
-
-static void fill_txdesc_sectype(struct pkt_attrib *pattrib, struct tx_desc *ptxdesc)
-{
- if ((pattrib->encrypt > 0) && !pattrib->bswenc) {
- switch (pattrib->encrypt) {
- /* SEC_TYPE : 0:NO_ENC,1:WEP40/TKIP,2:WAPI,3:AES */
- case _WEP40_:
- case _WEP104_:
- ptxdesc->txdw1 |= cpu_to_le32((0x01 << SEC_TYPE_SHT) & 0x00c00000);
- ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT);
- break;
- case _TKIP_:
- case _TKIP_WTMIC_:
- ptxdesc->txdw1 |= cpu_to_le32((0x01 << SEC_TYPE_SHT) & 0x00c00000);
- ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT);
- break;
- case _AES_:
- ptxdesc->txdw1 |= cpu_to_le32((0x03 << SEC_TYPE_SHT) & 0x00c00000);
- ptxdesc->txdw2 |= cpu_to_le32(0x7 << AMPDU_DENSITY_SHT);
- break;
- case _NO_PRIVACY_:
- default:
- break;
- }
- }
-}
-
-static void fill_txdesc_vcs(struct pkt_attrib *pattrib, __le32 *pdw)
-{
- switch (pattrib->vcs_mode) {
- case RTS_CTS:
- *pdw |= cpu_to_le32(RTS_EN);
- break;
- case CTS_TO_SELF:
- *pdw |= cpu_to_le32(CTS_2_SELF);
- break;
- case NONE_VCS:
- default:
- break;
- }
- if (pattrib->vcs_mode) {
- *pdw |= cpu_to_le32(HW_RTS_EN);
- /* Set RTS BW */
- if (pattrib->ht_en) {
- *pdw |= (pattrib->bwmode & HT_CHANNEL_WIDTH_40) ? cpu_to_le32(BIT(27)) : 0;
-
- if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
- *pdw |= cpu_to_le32((0x01 << 28) & 0x30000000);
- else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
- *pdw |= cpu_to_le32((0x02 << 28) & 0x30000000);
- else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)
- *pdw |= 0;
- else
- *pdw |= cpu_to_le32((0x03 << 28) & 0x30000000);
- }
- }
-}
-
-static void fill_txdesc_phy(struct pkt_attrib *pattrib, __le32 *pdw)
-{
- if (pattrib->ht_en) {
- *pdw |= (pattrib->bwmode & HT_CHANNEL_WIDTH_40) ? cpu_to_le32(BIT(25)) : 0;
-
- if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
- *pdw |= cpu_to_le32((0x01 << DATA_SC_SHT) & 0x003f0000);
- else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
- *pdw |= cpu_to_le32((0x02 << DATA_SC_SHT) & 0x003f0000);
- else if (pattrib->ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)
- *pdw |= 0;
- else
- *pdw |= cpu_to_le32((0x03 << DATA_SC_SHT) & 0x003f0000);
- }
-}
-
-static s32 update_txdesc(struct xmit_frame *pxmitframe, u8 *pmem, s32 sz)
-{
- uint qsel;
- u8 data_rate, pwr_status, offset;
- struct adapter *adapt = pxmitframe->padapter;
- struct pkt_attrib *pattrib = &pxmitframe->attrib;
- struct hal_data_8188e *haldata = &adapt->haldata;
- struct tx_desc *ptxdesc = (struct tx_desc *)pmem;
- struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
- struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
-
- memset(ptxdesc, 0, sizeof(struct tx_desc));
-
- /* 4 offset 0 */
- ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG);
- ptxdesc->txdw0 |= cpu_to_le32(sz & 0x0000ffff);/* update TXPKTSIZE */
-
- offset = TXDESC_SIZE + OFFSET_SZ;
-
- ptxdesc->txdw0 |= cpu_to_le32(((offset) << OFFSET_SHT) & 0x00ff0000);/* 32 bytes for TX Desc */
-
- if (is_multicast_ether_addr(pattrib->ra))
- ptxdesc->txdw0 |= cpu_to_le32(BMC);
-
- /* pkt_offset, unit:8 bytes padding */
- if (pxmitframe->pkt_offset > 0)
- ptxdesc->txdw1 |= cpu_to_le32((pxmitframe->pkt_offset << 26) & 0x7c000000);
-
- /* driver uses rate */
- ptxdesc->txdw4 |= cpu_to_le32(USERATE);/* rate control always by driver */
-
- if ((pxmitframe->frame_tag & 0x0f) == DATA_FRAMETAG) {
- /* offset 4 */
- ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id & 0x3F);
-
- qsel = (uint)(pattrib->qsel & 0x0000001f);
- ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
-
- ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid << RATE_ID_SHT) & 0x000F0000);
-
- fill_txdesc_sectype(pattrib, ptxdesc);
-
- if (pattrib->ampdu_en) {
- ptxdesc->txdw2 |= cpu_to_le32(AGG_EN);/* AGG EN */
- ptxdesc->txdw6 = cpu_to_le32(0x6666f800);
- } else {
- ptxdesc->txdw2 |= cpu_to_le32(AGG_BK);/* AGG BK */
- }
-
- /* offset 8 */
-
- /* offset 12 */
- ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0FFF0000);
-
- /* offset 16 , offset 20 */
- if (pattrib->qos_en)
- ptxdesc->txdw4 |= cpu_to_le32(QOS);/* QoS */
-
- /* offset 20 */
- if (pxmitframe->agg_num > 1)
- ptxdesc->txdw5 |= cpu_to_le32((pxmitframe->agg_num << USB_TXAGG_NUM_SHT) & 0xFF000000);
-
- if ((pattrib->ether_type != 0x888e) &&
- (pattrib->ether_type != 0x0806) &&
- (pattrib->ether_type != 0x88b4) &&
- (pattrib->dhcp_pkt != 1)) {
- /* Non EAP & ARP & DHCP type data packet */
-
- fill_txdesc_vcs(pattrib, &ptxdesc->txdw4);
- fill_txdesc_phy(pattrib, &ptxdesc->txdw4);
-
- ptxdesc->txdw4 |= cpu_to_le32(0x00000008);/* RTS Rate=24M */
- ptxdesc->txdw5 |= cpu_to_le32(0x0001ff00);/* DATA/RTS Rate FB LMT */
-
- if (pattrib->ht_en) {
- if (ODM_RA_GetShortGI_8188E(&haldata->odmpriv, pattrib->mac_id))
- ptxdesc->txdw5 |= cpu_to_le32(SGI);/* SGI */
- }
- data_rate = ODM_RA_GetDecisionRate_8188E(&haldata->odmpriv, pattrib->mac_id);
- ptxdesc->txdw5 |= cpu_to_le32(data_rate & 0x3F);
- pwr_status = ODM_RA_GetHwPwrStatus_8188E(&haldata->odmpriv, pattrib->mac_id);
- ptxdesc->txdw4 |= cpu_to_le32((pwr_status & 0x7) << PWR_STATUS_SHT);
- } else {
- /* EAP data packet and ARP packet and DHCP. */
- /* Use the 1M data rate to send the EAP/ARP packet. */
- /* This will maybe make the handshake smooth. */
- ptxdesc->txdw2 |= cpu_to_le32(AGG_BK);/* AGG BK */
- if (pmlmeinfo->preamble_mode == PREAMBLE_SHORT)
- ptxdesc->txdw4 |= cpu_to_le32(BIT(24));/* DATA_SHORT */
- ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate));
- }
- } else if ((pxmitframe->frame_tag & 0x0f) == MGNT_FRAMETAG) {
- /* offset 4 */
- ptxdesc->txdw1 |= cpu_to_le32(pattrib->mac_id & 0x3f);
-
- qsel = (uint)(pattrib->qsel & 0x0000001f);
- ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00);
-
- ptxdesc->txdw1 |= cpu_to_le32((pattrib->raid << RATE_ID_SHT) & 0x000f0000);
-
- /* offset 8 */
- /* CCX-TXRPT ack for xmit mgmt frames. */
- if (pxmitframe->ack_report)
- ptxdesc->txdw2 |= cpu_to_le32(BIT(19));
-
- /* offset 12 */
- ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0FFF0000);
-
- /* offset 20 */
- ptxdesc->txdw5 |= cpu_to_le32(RTY_LMT_EN);/* retry limit enable */
- if (pattrib->retry_ctrl)
- ptxdesc->txdw5 |= cpu_to_le32(0x00180000);/* retry limit = 6 */
- else
- ptxdesc->txdw5 |= cpu_to_le32(0x00300000);/* retry limit = 12 */
-
- ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate));
- } else if ((pxmitframe->frame_tag & 0x0f) != TXAGG_FRAMETAG) {
- /* offset 4 */
- ptxdesc->txdw1 |= cpu_to_le32((4) & 0x3f);/* CAM_ID(MAC_ID) */
-
- ptxdesc->txdw1 |= cpu_to_le32((6 << RATE_ID_SHT) & 0x000f0000);/* raid */
-
- /* offset 8 */
-
- /* offset 12 */
- ptxdesc->txdw3 |= cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0fff0000);
-
- /* offset 20 */
- ptxdesc->txdw5 |= cpu_to_le32(MRateToHwRate(pmlmeext->tx_rate));
- }
-
- /* 2009.11.05. tynli_test. Suggested by SD4 Filen for FW LPS. */
- /* (1) The sequence number of each non-Qos frame / broadcast / multicast / */
- /* mgnt frame should be controlled by Hw because Fw will also send null data */
- /* which we cannot control when Fw LPS enable. */
- /* --> default enable non-Qos data sequense number. 2010.06.23. by tynli. */
- /* (2) Enable HW SEQ control for beacon packet, because we use Hw beacon. */
- /* (3) Use HW Qos SEQ to control the seq num of Ext port non-Qos packets. */
- /* 2010.06.23. Added by tynli. */
- if (!pattrib->qos_en) {
- ptxdesc->txdw3 |= cpu_to_le32(EN_HWSEQ); /* Hw set sequence number */
- ptxdesc->txdw4 |= cpu_to_le32(HW_SSN); /* Hw set sequence number */
- }
-
- ODM_SetTxAntByTxInfo_88E(&haldata->odmpriv, pmem, pattrib->mac_id);
-
- rtl8188eu_cal_txdesc_chksum(ptxdesc);
- return 0;
-}
-
-/* for non-agg data frame or management frame */
-static s32 rtw_dump_xframe(struct adapter *adapt, struct xmit_frame *pxmitframe)
-{
- s32 ret = _SUCCESS;
- s32 inner_ret = _SUCCESS;
- int t, sz, w_sz, pull = 0;
- u8 *mem_addr;
- u32 ff_hwaddr;
- struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
- struct pkt_attrib *pattrib = &pxmitframe->attrib;
- struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
- struct security_priv *psecuritypriv = &adapt->securitypriv;
- if ((pxmitframe->frame_tag == DATA_FRAMETAG) &&
- (pxmitframe->attrib.ether_type != 0x0806) &&
- (pxmitframe->attrib.ether_type != 0x888e) &&
- (pxmitframe->attrib.ether_type != 0x88b4) &&
- (pxmitframe->attrib.dhcp_pkt != 1))
- rtw_issue_addbareq_cmd(adapt, pxmitframe);
- mem_addr = pxmitframe->buf_addr;
-
- for (t = 0; t < pattrib->nr_frags; t++) {
- if (inner_ret != _SUCCESS && ret == _SUCCESS)
- ret = _FAIL;
-
- if (t != (pattrib->nr_frags - 1)) {
- sz = pxmitpriv->frag_len;
- sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len);
- } else {
- /* no frag */
- sz = pattrib->last_txcmdsz;
- }
-
- pull = update_txdesc(pxmitframe, mem_addr, sz);
-
- if (pull) {
- mem_addr += PACKET_OFFSET_SZ; /* pull txdesc head */
- pxmitframe->buf_addr = mem_addr;
- w_sz = sz + TXDESC_SIZE;
- } else {
- w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ;
- }
- ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe);
-
- inner_ret = rtw_write_port(adapt, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf);
-
- rtw_count_tx_stats(adapt, pxmitframe, sz);
-
- mem_addr += w_sz;
-
- mem_addr = PTR_ALIGN(mem_addr, 4);
- }
-
- rtw_free_xmitframe(pxmitpriv, pxmitframe);
-
- if (ret != _SUCCESS)
- rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);
-
- return ret;
-}
-
-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;
-}
-
-bool rtl8188eu_xmitframe_complete(struct adapter *adapt)
-{
- struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
- struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(adapt);
- struct xmit_frame *pxmitframe = NULL;
- struct xmit_frame *pfirstframe = NULL;
- struct xmit_buf *pxmitbuf;
-
- /* aggregate variable */
- struct hw_xmit *phwxmit;
- struct sta_info *psta = NULL;
- struct tx_servq *ptxservq = NULL;
- struct list_head *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;
- u8 desc_cnt;
- u32 bulkptr;
-
- /* dump frame variable */
- u32 ff_hwaddr;
-
- if (pdvobjpriv->pusbdev->speed == USB_SPEED_HIGH)
- bulksize = USB_HIGH_SPEED_BULK_SIZE;
- else
- bulksize = USB_FULL_SPEED_BULK_SIZE;
-
- pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
- if (!pxmitbuf)
- return false;
-
- pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits);
- if (!pxmitframe) {
- /* no more xmit frame, release xmit buffer */
- rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
- return false;
- }
-
- pxmitframe->pxmitbuf = pxmitbuf;
- pxmitframe->buf_addr = pxmitbuf->pbuf;
- pxmitbuf->priv_data = pxmitframe;
-
- pxmitframe->agg_num = 1; /* alloc xmitframe should assign to 1. */
- pxmitframe->pkt_offset = 1; /* first frame of aggregation, reserve offset */
-
- rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
-
- /* always return ndis_packet after rtw_xmitframe_coalesce */
- rtw_xmit_complete(adapt, pxmitframe);
-
- /* 3 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 = round_up(pbuf_tail, 8);
-
- /* check pkt amount in one bulk */
- desc_cnt = 0;
- bulkptr = bulksize;
- if (pbuf < bulkptr) {
- desc_cnt++;
- } else {
- desc_cnt = 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;
- }
- spin_lock_bh(&pxmitpriv->lock);
-
- xmitframe_phead = &ptxservq->sta_pending;
- xmitframe_plist = xmitframe_phead->next;
-
- while (xmitframe_phead != xmitframe_plist) {
- pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
- xmitframe_plist = xmitframe_plist->next;
-
- pxmitframe->agg_num = 0; /* not first frame of aggregation */
- pxmitframe->pkt_offset = 0; /* not first frame of aggregation, no need to reserve offset */
-
- len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset * PACKET_OFFSET_SZ);
-
- if (pbuf + len > MAX_XMITBUF_SZ) {
- pxmitframe->agg_num = 1;
- pxmitframe->pkt_offset = 1;
- break;
- }
- list_del_init(&pxmitframe->list);
- ptxservq->qcnt--;
- phwxmit->accnt--;
-
- pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf;
-
- rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
- /* always return ndis_packet after rtw_xmitframe_coalesce */
- rtw_xmit_complete(adapt, pxmitframe);
-
- /* (len - TXDESC_SIZE) == pxmitframe->attrib.last_txcmdsz */
- update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz);
-
- /* don't need xmitframe any more */
- rtw_free_xmitframe(pxmitpriv, pxmitframe);
-
- /* handle pointer and stop condition */
- pbuf_tail = pbuf + len;
- pbuf = round_up(pbuf_tail, 8);
-
- pfirstframe->agg_num++;
- if (MAX_TX_AGG_PACKET_NUMBER == pfirstframe->agg_num)
- break;
-
- if (pbuf < bulkptr) {
- desc_cnt++;
- if (desc_cnt == USB_TXAGG_DESC_NUM)
- break;
- } else {
- desc_cnt = 0;
- bulkptr = ((pbuf / bulksize) + 1) * bulksize;
- }
- } /* end while (aggregate same priority and same DA(AP or STA) frames) */
-
- if (list_empty(&ptxservq->sta_pending))
- list_del_init(&ptxservq->tx_pending);
-
- spin_unlock_bh(&pxmitpriv->lock);
- 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(adapt, pfirstframe);
- /* 3 3. update first frame txdesc */
- if ((pbuf_tail % bulksize) == 0) {
- /* remove pkt_offset */
- pbuf_tail -= PACKET_OFFSET_SZ;
- pfirstframe->buf_addr += PACKET_OFFSET_SZ;
- pfirstframe->pkt_offset--;
- }
-
- update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz);
-
- /* 3 4. write xmit buffer to USB FIFO */
- ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe);
- rtw_write_port(adapt, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf);
-
- /* 3 5. update statisitc */
- pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE);
- pbuf_tail -= (pfirstframe->pkt_offset * PACKET_OFFSET_SZ);
-
- rtw_count_tx_stats(adapt, pfirstframe, pbuf_tail);
-
- rtw_free_xmitframe(pxmitpriv, pfirstframe);
-
- return true;
-}
-
-static s32 xmitframe_direct(struct adapter *adapt, struct xmit_frame *pxmitframe)
-{
- s32 res = _SUCCESS;
-
- res = rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
- if (res == _SUCCESS)
- rtw_dump_xframe(adapt, pxmitframe);
-
- return res;
-}
-
-/*
- * Return
- * true dump packet directly
- * false enqueue packet
- */
-static s32 pre_xmitframe(struct adapter *adapt, struct xmit_frame *pxmitframe)
-{
- s32 res;
- struct xmit_buf *pxmitbuf = NULL;
- struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
- struct pkt_attrib *pattrib = &pxmitframe->attrib;
- struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
-
- spin_lock_bh(&pxmitpriv->lock);
-
- if (rtw_txframes_sta_ac_pending(adapt, pattrib) > 0)
- goto enqueue;
-
- if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING))
- goto enqueue;
-
- pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
- if (!pxmitbuf)
- goto enqueue;
-
- spin_unlock_bh(&pxmitpriv->lock);
-
- pxmitframe->pxmitbuf = pxmitbuf;
- pxmitframe->buf_addr = pxmitbuf->pbuf;
- pxmitbuf->priv_data = pxmitframe;
-
- if (xmitframe_direct(adapt, pxmitframe) != _SUCCESS) {
- rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
- rtw_free_xmitframe(pxmitpriv, pxmitframe);
- }
-
- return true;
-
-enqueue:
- res = rtw_xmit_classifier(adapt, pxmitframe);
- spin_unlock_bh(&pxmitpriv->lock);
-
- if (res != _SUCCESS) {
- rtw_free_xmitframe(pxmitpriv, pxmitframe);
-
- /* Trick, make the statistics correct */
- pxmitpriv->tx_pkts--;
- pxmitpriv->tx_drop++;
- return true;
- }
-
- return false;
-}
-
-s32 rtl8188eu_mgnt_xmit(struct adapter *adapt, struct xmit_frame *pmgntframe)
-{
- return rtw_dump_xframe(adapt, pmgntframe);
-}
-
-/*
- * Return
- * true dump packet directly ok
- * false temporary can't transmit packets to hardware
- */
-s32 rtl8188eu_hal_xmit(struct adapter *adapt, struct xmit_frame *pxmitframe)
-{
- return pre_xmitframe(adapt, pxmitframe);
-}
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-09 11:24:44 +0300