cregit-Linux how code gets into the kernel

Release 4.11 drivers/staging/rtl8712/rtl8712_xmit.c

/******************************************************************************
 * rtl8712_xmit.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/


#define _RTL8712_XMIT_C_

#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include "osdep_intf.h"
#include "usb_ops.h"

static void dump_xframe(struct _adapter *padapter,
			struct xmit_frame *pxmitframe);
static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz);


sint _r8712_init_hw_txqueue(struct hw_txqueue *phw_txqueue, u8 ac_tag) { phw_txqueue->ac_tag = ac_tag; switch (ac_tag) { case BE_QUEUE_INX: phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ; break; case BK_QUEUE_INX: phw_txqueue->ff_hwaddr = RTL8712_DMA_BKQ; break; case VI_QUEUE_INX: phw_txqueue->ff_hwaddr = RTL8712_DMA_VIQ; break; case VO_QUEUE_INX: phw_txqueue->ff_hwaddr = RTL8712_DMA_VOQ; break; case BMC_QUEUE_INX: phw_txqueue->ff_hwaddr = RTL8712_DMA_BEQ; break; } return _SUCCESS; }

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int r8712_txframes_sta_ac_pending(struct _adapter *padapter, struct pkt_attrib *pattrib) { struct sta_info *psta; struct tx_servq *ptxservq; int priority = pattrib->priority; psta = pattrib->psta; switch (priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); break; } return ptxservq->qcnt; }

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static u32 get_ff_hwaddr(struct xmit_frame *pxmitframe) { u32 addr = 0; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct _adapter *padapter = pxmitframe->padapter; struct dvobj_priv *pdvobj = &padapter->dvobjpriv; if (pxmitframe->frame_tag == TXAGG_FRAMETAG) { addr = RTL8712_DMA_H2CCMD; } else if (pxmitframe->frame_tag == MGNT_FRAMETAG) { addr = RTL8712_DMA_MGTQ; } else if (pdvobj->nr_endpoint == 6) { switch (pattrib->priority) { case 0: case 3: addr = RTL8712_DMA_BEQ; break; case 1: case 2: addr = RTL8712_DMA_BKQ; break; case 4: case 5: addr = RTL8712_DMA_VIQ; break; case 6: case 7: addr = RTL8712_DMA_VOQ; break; case 0x10: case 0x11: case 0x12: case 0x13: addr = RTL8712_DMA_H2CCMD; break; default: addr = RTL8712_DMA_BEQ; break; } } else if (pdvobj->nr_endpoint == 4) { switch (pattrib->qsel) { case 0: case 3: case 1: case 2: addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/ break; case 4: case 5: case 6: case 7: addr = RTL8712_DMA_VOQ;/*RTL8712_EP_HI;*/ break; case 0x10: case 0x11: case 0x12: case 0x13: addr = RTL8712_DMA_H2CCMD; break; default: addr = RTL8712_DMA_BEQ;/*RTL8712_EP_LO;*/ break; } } return addr; }

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static struct xmit_frame *dequeue_one_xmitframe(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit, struct tx_servq *ptxservq, struct __queue *pframe_queue) { struct list_head *xmitframe_plist, *xmitframe_phead; struct xmit_frame *pxmitframe = NULL; xmitframe_phead = &pframe_queue->queue; xmitframe_plist = xmitframe_phead->next; if (!end_of_queue_search(xmitframe_phead, xmitframe_plist)) { pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); list_del_init(&pxmitframe->list); ptxservq->qcnt--; phwxmit->txcmdcnt++; } return pxmitframe; }

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Total101100.00%6100.00%


static struct xmit_frame *dequeue_xframe_ex(struct xmit_priv *pxmitpriv, struct hw_xmit *phwxmit_i, sint entry) { unsigned long irqL0; struct list_head *sta_plist, *sta_phead; struct hw_xmit *phwxmit; struct tx_servq *ptxservq = NULL; struct __queue *pframe_queue = NULL; struct xmit_frame *pxmitframe = NULL; int i, inx[4]; int j, acirp_cnt[4]; /*entry indx: 0->vo, 1->vi, 2->be, 3->bk.*/ inx[0] = 0; acirp_cnt[0] = pxmitpriv->voq_cnt; inx[1] = 1; acirp_cnt[1] = pxmitpriv->viq_cnt; inx[2] = 2; acirp_cnt[2] = pxmitpriv->beq_cnt; inx[3] = 3; acirp_cnt[3] = pxmitpriv->bkq_cnt; for (i = 0; i < 4; i++) { for (j = i + 1; j < 4; j++) { if (acirp_cnt[j] < acirp_cnt[i]) { swap(acirp_cnt[i], acirp_cnt[j]); swap(inx[i], inx[j]); } } } spin_lock_irqsave(&pxmitpriv->lock, irqL0); for (i = 0; i < entry; i++) { phwxmit = phwxmit_i + inx[i]; sta_phead = &phwxmit->sta_queue->queue; sta_plist = sta_phead->next; while (!end_of_queue_search(sta_phead, sta_plist)) { ptxservq = container_of(sta_plist, struct tx_servq, tx_pending); pframe_queue = &ptxservq->sta_pending; pxmitframe = dequeue_one_xmitframe(pxmitpriv, phwxmit, ptxservq, pframe_queue); if (pxmitframe) { phwxmit->accnt--; goto exit_dequeue_xframe_ex; } sta_plist = sta_plist->next; /*Remove sta node when there are no pending packets.*/ if (list_empty(&pframe_queue->queue)) { /* must be done after sta_plist->next * and before break */ list_del_init(&ptxservq->tx_pending); } } } exit_dequeue_xframe_ex: spin_unlock_irqrestore(&pxmitpriv->lock, irqL0); return pxmitframe; }

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void r8712_do_queue_select(struct _adapter *padapter, struct pkt_attrib *pattrib) { unsigned int qsel = 0; struct dvobj_priv *pdvobj = &padapter->dvobjpriv; if (pdvobj->nr_endpoint == 6) { qsel = (unsigned int) pattrib->priority; } else if (pdvobj->nr_endpoint == 4) { qsel = (unsigned int) pattrib->priority; if (qsel == 0 || qsel == 3) qsel = 3; else if (qsel == 1 || qsel == 2) qsel = 1; else if (qsel == 4 || qsel == 5) qsel = 5; else if (qsel == 6 || qsel == 7) qsel = 7; else qsel = 3; } pattrib->qsel = qsel; }

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#ifdef CONFIG_R8712_TX_AGGR
u8 r8712_construct_txaggr_cmd_desc(struct xmit_buf *pxmitbuf) { struct tx_desc *ptx_desc = (struct tx_desc *)pxmitbuf->pbuf; /* Fill up TxCmd Descriptor according as USB FW Tx Aaggregation info.*/ /* dw0 */ ptx_desc->txdw0 = cpu_to_le32(CMD_HDR_SZ & 0xffff); ptx_desc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000); ptx_desc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); /* dw1 */ ptx_desc->txdw1 |= cpu_to_le32((0x13 << QSEL_SHT) & 0x00001f00); return _SUCCESS; }

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u8 r8712_construct_txaggr_cmd_hdr(struct xmit_buf *pxmitbuf) { struct xmit_frame *pxmitframe = (struct xmit_frame *) pxmitbuf->priv_data; struct _adapter *padapter = pxmitframe->padapter; struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); struct cmd_hdr *pcmd_hdr = (struct cmd_hdr *) (pxmitbuf->pbuf + TXDESC_SIZE); /* Fill up Cmd Header for USB FW Tx Aggregation.*/ /* dw0 */ pcmd_hdr->cmd_dw0 = cpu_to_le32((GEN_CMD_CODE(_AMSDU_TO_AMPDU) << 16) | (pcmdpriv->cmd_seq << 24)); pcmdpriv->cmd_seq++; return _SUCCESS; }

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u8 r8712_append_mpdu_unit(struct xmit_buf *pxmitbuf, struct xmit_frame *pxmitframe) { struct _adapter *padapter = pxmitframe->padapter; struct tx_desc *ptx_desc = (struct tx_desc *)pxmitbuf->pbuf; int last_txcmdsz = 0; int padding_sz = 0; /* 802.3->802.11 converter */ r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); /* free skb struct */ r8712_xmit_complete(padapter, pxmitframe); if (pxmitframe->attrib.ether_type != 0x0806) { if ((pxmitframe->attrib.ether_type != 0x888e) && (pxmitframe->attrib.dhcp_pkt != 1)) { r8712_issue_addbareq_cmd(padapter, pxmitframe->attrib.priority); } } pxmitframe->last[0] = 1; update_txdesc(pxmitframe, (uint *)(pxmitframe->buf_addr), pxmitframe->attrib.last_txcmdsz); /*padding zero */ last_txcmdsz = pxmitframe->attrib.last_txcmdsz; padding_sz = (8 - (last_txcmdsz % 8)); if ((last_txcmdsz % 8) != 0) { int i; for (i = 0; i < padding_sz; i++) *(pxmitframe->buf_addr + TXDESC_SIZE + last_txcmdsz + i) = 0; } /* Add the new mpdu's length */ ptx_desc->txdw0 = cpu_to_le32((ptx_desc->txdw0 & 0xffff0000) | ((ptx_desc->txdw0 & 0x0000ffff) + ((TXDESC_SIZE + last_txcmdsz + padding_sz) & 0x0000ffff))); return _SUCCESS; }

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u8 r8712_xmitframe_aggr_1st(struct xmit_buf *pxmitbuf, struct xmit_frame *pxmitframe) { /* linux complete context doesn't need to protect */ pxmitframe->pxmitbuf = pxmitbuf; pxmitbuf->priv_data = pxmitframe; pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0]; /* buffer addr assoc */ pxmitframe->buf_addr = pxmitbuf->pbuf + TXDESC_SIZE + CMD_HDR_SZ; /*RTL8712_DMA_H2CCMD */ r8712_construct_txaggr_cmd_desc(pxmitbuf); r8712_construct_txaggr_cmd_hdr(pxmitbuf); if (r8712_append_mpdu_unit(pxmitbuf, pxmitframe) == _SUCCESS) pxmitbuf->aggr_nr = 1; return _SUCCESS; }

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u16 r8712_xmitframe_aggr_next(struct xmit_buf *pxmitbuf, struct xmit_frame *pxmitframe) { pxmitframe->pxmitbuf = pxmitbuf; pxmitbuf->priv_data = pxmitframe; pxmitframe->pxmit_urb[0] = pxmitbuf->pxmit_urb[0]; /* buffer addr assoc */ pxmitframe->buf_addr = pxmitbuf->pbuf + TXDESC_SIZE + (((struct tx_desc *)pxmitbuf->pbuf)->txdw0 & 0x0000ffff); if (r8712_append_mpdu_unit(pxmitbuf, pxmitframe) == _SUCCESS) { r8712_free_xmitframe_ex(&pxmitframe->padapter->xmitpriv, pxmitframe); pxmitbuf->aggr_nr++; } return TXDESC_SIZE + (((struct tx_desc *)pxmitbuf->pbuf)->txdw0 & 0x0000ffff); }

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u8 r8712_dump_aggr_xframe(struct xmit_buf *pxmitbuf, struct xmit_frame *pxmitframe) { struct _adapter *padapter = pxmitframe->padapter; struct dvobj_priv *pdvobj = &padapter->dvobjpriv; struct tx_desc *ptxdesc = pxmitbuf->pbuf; struct cmd_hdr *pcmd_hdr = (struct cmd_hdr *) (pxmitbuf->pbuf + TXDESC_SIZE); u16 total_length = (u16) (ptxdesc->txdw0 & 0xffff); /* use 1st xmitframe as media */ xmitframe_xmitbuf_attach(pxmitframe, pxmitbuf); pcmd_hdr->cmd_dw0 = cpu_to_le32(((total_length - CMD_HDR_SZ) & 0x0000ffff) | (pcmd_hdr->cmd_dw0 & 0xffff0000)); /* urb length in cmd_dw1 */ pcmd_hdr->cmd_dw1 = cpu_to_le32((pxmitbuf->aggr_nr & 0xff)| ((total_length + TXDESC_SIZE) << 16)); pxmitframe->last[0] = 1; pxmitframe->bpending[0] = false; pxmitframe->mem_addr = pxmitbuf->pbuf; if ((pdvobj->ishighspeed && ((total_length + TXDESC_SIZE) % 0x200) == 0) || ((!pdvobj->ishighspeed && ((total_length + TXDESC_SIZE) % 0x40) == 0))) { ptxdesc->txdw0 |= cpu_to_le32 (((TXDESC_SIZE + OFFSET_SZ + 8) << OFFSET_SHT) & 0x00ff0000); /*32 bytes for TX Desc + 8 bytes pending*/ } else { ptxdesc->txdw0 |= cpu_to_le32 (((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000); /*default = 32 bytes for TX Desc*/ } r8712_write_port(pxmitframe->padapter, RTL8712_DMA_H2CCMD, total_length + TXDESC_SIZE, (u8 *)pxmitframe); return _SUCCESS; }

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#endif
static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz) { uint qsel; struct _adapter *padapter = pxmitframe->padapter; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv = &pmlmepriv->qospriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct tx_desc *ptxdesc = (struct tx_desc *)pmem; struct dvobj_priv *pdvobj = &padapter->dvobjpriv; #ifdef CONFIG_R8712_TX_AGGR struct cmd_priv *pcmdpriv = &padapter->cmdpriv; #endif u8 blnSetTxDescOffset; sint bmcst = IS_MCAST(pattrib->ra); struct ht_priv *phtpriv = &pmlmepriv->htpriv; struct tx_desc txdesc_mp; memcpy(&txdesc_mp, ptxdesc, sizeof(struct tx_desc)); memset(ptxdesc, 0, sizeof(struct tx_desc)); /* offset 0 */ ptxdesc->txdw0 |= cpu_to_le32(sz & 0x0000ffff); if (pdvobj->ishighspeed) { if (((sz + TXDESC_SIZE) % 512) == 0) blnSetTxDescOffset = 1; else blnSetTxDescOffset = 0; } else { if (((sz + TXDESC_SIZE) % 64) == 0) blnSetTxDescOffset = 1; else blnSetTxDescOffset = 0; } if (blnSetTxDescOffset) { /* 32 bytes for TX Desc + 8 bytes pending */ ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ + 8) << OFFSET_SHT) & 0x00ff0000); } else { /* default = 32 bytes for TX Desc */ ptxdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & 0x00ff0000); } ptxdesc->txdw0 |= cpu_to_le32(OWN | FSG | LSG); if (pxmitframe->frame_tag == DATA_FRAMETAG) { /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32((pattrib->mac_id) & 0x1f); #ifdef CONFIG_R8712_TX_AGGR /* dirty workaround, need to check if it is aggr cmd. */ if ((u8 *)pmem != (u8 *)pxmitframe->pxmitbuf->pbuf) { ptxdesc->txdw0 |= cpu_to_le32 ((0x3 << TYPE_SHT) & TYPE_MSK); qsel = (uint)(pattrib->qsel & 0x0000001f); if (qsel == 2) qsel = 0; ptxdesc->txdw1 |= cpu_to_le32 ((qsel << QSEL_SHT) & 0x00001f00); ptxdesc->txdw2 = cpu_to_le32 ((qsel << RTS_RC_SHT) & 0x001f0000); ptxdesc->txdw6 |= cpu_to_le32 ((0x5 << RSVD6_SHT) & RSVD6_MSK); } else { ptxdesc->txdw0 |= cpu_to_le32 ((0x3 << TYPE_SHT) & TYPE_MSK); ptxdesc->txdw1 |= cpu_to_le32 ((0x13 << QSEL_SHT) & 0x00001f00); qsel = (uint)(pattrib->qsel & 0x0000001f); if (qsel == 2) qsel = 0; ptxdesc->txdw2 = cpu_to_le32 ((qsel << RTS_RC_SHT) & 0x0001f000); ptxdesc->txdw7 |= cpu_to_le32 (pcmdpriv->cmd_seq << 24); pcmdpriv->cmd_seq++; } pattrib->qsel = 0x13; #else qsel = (uint)(pattrib->qsel & 0x0000001f); ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); #endif if (!pqospriv->qos_option) ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/*Non-QoS*/ if ((pattrib->encrypt > 0) && !pattrib->bswenc) { switch (pattrib->encrypt) { /*SEC_TYPE*/ case _WEP40_: case _WEP104_: ptxdesc->txdw1 |= cpu_to_le32((0x01 << 22) & 0x00c00000); /*KEY_ID when WEP is used;*/ ptxdesc->txdw1 |= cpu_to_le32((psecuritypriv-> PrivacyKeyIndex << 17) & 0x00060000); break; case _TKIP_: case _TKIP_WTMIC_: ptxdesc->txdw1 |= cpu_to_le32((0x02 << 22) & 0x00c00000); break; case _AES_: ptxdesc->txdw1 |= cpu_to_le32((0x03 << 22) & 0x00c00000); break; case _NO_PRIVACY_: default: break; } } /*offset 8*/ if (bmcst) ptxdesc->txdw2 |= cpu_to_le32(BMC); /*offset 12*/ /* f/w will increase the seqnum by itself, driver pass the * correct priority to fw * fw will check the correct priority for increasing the * seqnum per tid. about usb using 4-endpoint, qsel points out * the correct mapping between AC&Endpoint, * the purpose is that correct mapping lets the MAC release * the AC Queue list correctly. */ ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) & 0x0fff0000); if ((pattrib->ether_type != 0x888e) && (pattrib->ether_type != 0x0806) && (pattrib->dhcp_pkt != 1)) { /*Not EAP & ARP type data packet*/ if (phtpriv->ht_option == 1) { /*B/G/N Mode*/ if (phtpriv->ampdu_enable != true) ptxdesc->txdw2 |= cpu_to_le32(BK); } } else { /* EAP data packet and ARP packet. * Use the 1M data rate to send the EAP/ARP packet. * This will maybe make the handshake smooth. */ /*driver uses data rate*/ ptxdesc->txdw4 = cpu_to_le32(0x80000000); ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/*1M*/ } if (pattrib->pctrl == 1) { /* mp tx packets */ struct tx_desc *ptxdesc_mp; ptxdesc_mp = &txdesc_mp; /* offset 8 */ ptxdesc->txdw2 = ptxdesc_mp->txdw2; if (bmcst) ptxdesc->txdw2 |= cpu_to_le32(BMC); ptxdesc->txdw2 |= cpu_to_le32(BK); /* offset 16 */ ptxdesc->txdw4 = ptxdesc_mp->txdw4; /* offset 20 */ ptxdesc->txdw5 = ptxdesc_mp->txdw5; pattrib->pctrl = 0;/* reset to zero; */ } } else if (pxmitframe->frame_tag == MGNT_FRAMETAG) { /* offset 4 */ ptxdesc->txdw1 |= cpu_to_le32((0x05) & 0x1f);/*CAM_ID(MAC_ID), default=5;*/ qsel = (uint)(pattrib->qsel & 0x0000001f); ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); ptxdesc->txdw1 |= cpu_to_le32(BIT(16));/* Non-QoS */ /* offset 8 */ if (bmcst) ptxdesc->txdw2 |= cpu_to_le32(BMC); /* offset 12 */ /* f/w will increase the seqnum by itself, driver pass the * correct priority to fw * fw will check the correct priority for increasing the seqnum * per tid. about usb using 4-endpoint, qsel points out the * correct mapping between AC&Endpoint, * the purpose is that correct mapping let the MAC releases * the AC Queue list correctly. */ ptxdesc->txdw3 = cpu_to_le32((pattrib->priority << SEQ_SHT) & 0x0fff0000); /* offset 16 */ ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/ /* offset 20 */ ptxdesc->txdw5 = cpu_to_le32(0x001f8000);/* gtest 1M */ } else if (pxmitframe->frame_tag == TXAGG_FRAMETAG) { /* offset 4 */ qsel = 0x13; ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); } else { /* offset 4 */ qsel = (uint)(pattrib->priority & 0x0000001f); ptxdesc->txdw1 |= cpu_to_le32((qsel << QSEL_SHT) & 0x00001f00); /*offset 8*/ /*offset 12*/ ptxdesc->txdw3 = cpu_to_le32((pattrib->seqnum << SEQ_SHT) & 0x0fff0000); /*offset 16*/ ptxdesc->txdw4 = cpu_to_le32(0x80002040);/*gtest*/ /*offset 20*/ ptxdesc->txdw5 = cpu_to_le32(0x001f9600);/*gtest*/ } }

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Raphaël Beamonte20.18%125.00%
Total1103100.00%4100.00%


int r8712_xmitframe_complete(struct _adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { struct hw_xmit *phwxmits; sint hwentry; struct xmit_frame *pxmitframe = NULL; #ifdef CONFIG_R8712_TX_AGGR struct xmit_frame *p2ndxmitframe = NULL; #else int res = _SUCCESS, xcnt = 0; #endif phwxmits = pxmitpriv->hwxmits; hwentry = pxmitpriv->hwxmit_entry; if (!pxmitbuf) { pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv); if (!pxmitbuf) return false; #ifdef CONFIG_R8712_TX_AGGR pxmitbuf->aggr_nr = 0; #endif } /* 1st frame dequeued */ pxmitframe = dequeue_xframe_ex(pxmitpriv, phwxmits, hwentry); /* need to remember the 1st frame */ if (pxmitframe != NULL) { #ifdef CONFIG_R8712_TX_AGGR /* 1. dequeue 2nd frame * 2. aggr if 2nd xframe is dequeued, else dump directly */ if (AGGR_NR_HIGH_BOUND > 1) p2ndxmitframe = dequeue_xframe_ex(pxmitpriv, phwxmits, hwentry); if (pxmitframe->frame_tag != DATA_FRAMETAG) { r8712_free_xmitbuf(pxmitpriv, pxmitbuf); return false; } if (p2ndxmitframe != NULL) if (p2ndxmitframe->frame_tag != DATA_FRAMETAG) { r8712_free_xmitbuf(pxmitpriv, pxmitbuf); return false; } r8712_xmitframe_aggr_1st(pxmitbuf, pxmitframe); if (p2ndxmitframe != NULL) { u16 total_length; total_length = r8712_xmitframe_aggr_next( pxmitbuf, p2ndxmitframe); do { p2ndxmitframe = dequeue_xframe_ex( pxmitpriv, phwxmits, hwentry); if (p2ndxmitframe != NULL) total_length = r8712_xmitframe_aggr_next( pxmitbuf, p2ndxmitframe); else break; } while (total_length <= 0x1800 && pxmitbuf->aggr_nr <= AGGR_NR_HIGH_BOUND); } if (pxmitbuf->aggr_nr > 0) r8712_dump_aggr_xframe(pxmitbuf, pxmitframe); #else xmitframe_xmitbuf_attach(pxmitframe, pxmitbuf); if (pxmitframe->frame_tag == DATA_FRAMETAG) { if (pxmitframe->attrib.priority <= 15) res = r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); /* always return ndis_packet after * r8712_xmitframe_coalesce */ r8712_xmit_complete(padapter, pxmitframe); } if (res == _SUCCESS) dump_xframe(padapter, pxmitframe); else r8712_free_xmitframe_ex(pxmitpriv, pxmitframe); xcnt++; #endif } else { /* pxmitframe == NULL && p2ndxmitframe == NULL */ r8712_free_xmitbuf(pxmitpriv, pxmitbuf); return false; } return true; }

Contributors

PersonTokensPropCommitsCommitProp
Ali Bahar19151.62%240.00%
Larry Finger17747.84%120.00%
Raphaël Beamonte10.27%120.00%
Sandhya Bankar10.27%120.00%
Total370100.00%5100.00%


static void dump_xframe(struct _adapter *padapter, struct xmit_frame *pxmitframe) { int t, sz, w_sz; u8 *mem_addr; u32 ff_hwaddr; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct security_priv *psecuritypriv = &padapter->securitypriv; if (pxmitframe->attrib.ether_type != 0x0806) { if (pxmitframe->attrib.ether_type != 0x888e) r8712_issue_addbareq_cmd(padapter, pattrib->priority); } mem_addr = pxmitframe->buf_addr; for (t = 0; t < pattrib->nr_frags; t++) { if (t != (pattrib->nr_frags - 1)) { sz = pxmitpriv->frag_len; sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len); pxmitframe->last[t] = 0; } else { sz = pattrib->last_txcmdsz; pxmitframe->last[t] = 1; } update_txdesc(pxmitframe, (uint *)mem_addr, sz); w_sz = sz + TXDESC_SIZE; pxmitframe->mem_addr = mem_addr; pxmitframe->bpending[t] = false; ff_hwaddr = get_ff_hwaddr(pxmitframe); #ifdef CONFIG_R8712_TX_AGGR r8712_write_port(padapter, RTL8712_DMA_H2CCMD, w_sz, (unsigned char *)pxmitframe); #else r8712_write_port(padapter, ff_hwaddr, w_sz, (unsigned char *)pxmitframe); #endif mem_addr += w_sz; mem_addr = (u8 *)RND4(((addr_t)(mem_addr))); } }

Contributors

PersonTokensPropCommitsCommitProp
Larry Finger25891.81%150.00%
Ali Bahar238.19%150.00%
Total281100.00%2100.00%


int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe) { int res = _SUCCESS; res = r8712_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); pxmitframe->pkt = NULL; if (res == _SUCCESS) dump_xframe(padapter, pxmitframe); return res; }

Contributors

PersonTokensPropCommitsCommitProp
Larry Finger55100.00%1100.00%
Total55100.00%1100.00%


int r8712_xmit_enqueue(struct _adapter *padapter, struct xmit_frame *pxmitframe) { if (r8712_xmit_classifier(padapter, pxmitframe) == _FAIL) { pxmitframe->pkt = NULL; return _FAIL; } return _SUCCESS; }

Contributors

PersonTokensPropCommitsCommitProp
Larry Finger40100.00%1100.00%
Total40100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Larry Finger233060.33%15.88%
Ali Bahar148638.48%317.65%
James A Shackleford190.49%423.53%
Fabian Frederick80.21%15.88%
Luis de Bethencourt80.21%211.76%
Raphaël Beamonte30.08%15.88%
Carlos Palminha30.08%15.88%
Geliang Tang20.05%15.88%
Joseph Wright10.03%15.88%
Carlos E. Garcia10.03%15.88%
Sandhya Bankar10.03%15.88%
Total3862100.00%17100.00%
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