+++ /dev/null
-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * 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.
- *
- ******************************************************************************/
-#define _RTL8192CU_RECV_C_
-#include <osdep_service.h>
-#include <drv_types.h>
-#include <recv_osdep.h>
-#include <mlme_osdep.h>
-#include <linux/ip.h>
-#include <linux/if_ether.h>
-#include <usb_ops.h>
-#include <wifi.h>
-#include <rtl8723a_hal.h>
-
-int rtl8723au_init_recv_priv(struct rtw_adapter *padapter)
-{
- struct recv_priv *precvpriv = &padapter->recvpriv;
- int i, size, res = _SUCCESS;
- struct recv_buf *precvbuf;
- unsigned long tmpaddr;
- unsigned long alignment;
- struct sk_buff *pskb;
-
- tasklet_init(&precvpriv->recv_tasklet,
- (void(*)(unsigned long))rtl8723au_recv_tasklet,
- (unsigned long)padapter);
-
- precvpriv->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!precvpriv->int_in_urb)
- DBG_8723A("alloc_urb for interrupt in endpoint fail !!!!\n");
- precvpriv->int_in_buf = kzalloc(USB_INTR_CONTENT_LENGTH, GFP_KERNEL);
- if (!precvpriv->int_in_buf)
- DBG_8723A("alloc_mem for interrupt in endpoint fail !!!!\n");
-
- size = NR_RECVBUFF * sizeof(struct recv_buf);
- precvpriv->precv_buf = kzalloc(size, GFP_KERNEL);
- if (!precvpriv->precv_buf) {
- res = _FAIL;
- RT_TRACE(_module_rtl871x_recv_c_, _drv_err_,
- "alloc recv_buf fail!\n");
- goto exit;
- }
-
- precvbuf = (struct recv_buf *)precvpriv->precv_buf;
-
- for (i = 0; i < NR_RECVBUFF; i++) {
- INIT_LIST_HEAD(&precvbuf->list);
-
- precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
- if (!precvbuf->purb)
- break;
-
- precvbuf->adapter = padapter;
-
- precvbuf++;
- }
-
- skb_queue_head_init(&precvpriv->rx_skb_queue);
- skb_queue_head_init(&precvpriv->free_recv_skb_queue);
-
- for (i = 0; i < NR_PREALLOC_RECV_SKB; i++) {
- size = MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ;
- pskb = __netdev_alloc_skb(padapter->pnetdev, size, GFP_KERNEL);
-
- if (pskb) {
- pskb->dev = padapter->pnetdev;
-
- tmpaddr = (unsigned long)pskb->data;
- alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
- skb_reserve(pskb, (RECVBUFF_ALIGN_SZ - alignment));
-
- skb_queue_tail(&precvpriv->free_recv_skb_queue, pskb);
- }
-
- pskb = NULL;
- }
-
-exit:
- return res;
-}
-
-void rtl8723au_free_recv_priv(struct rtw_adapter *padapter)
-{
- int i;
- struct recv_buf *precvbuf;
- struct recv_priv *precvpriv = &padapter->recvpriv;
-
- precvbuf = (struct recv_buf *)precvpriv->precv_buf;
-
- for (i = 0; i < NR_RECVBUFF; i++) {
- usb_free_urb(precvbuf->purb);
-
- if (precvbuf->pskb)
- dev_kfree_skb_any(precvbuf->pskb);
-
- precvbuf++;
- }
-
- kfree(precvpriv->precv_buf);
-
- usb_free_urb(precvpriv->int_in_urb);
- kfree(precvpriv->int_in_buf);
-
- if (skb_queue_len(&precvpriv->rx_skb_queue))
- DBG_8723A(KERN_WARNING "rx_skb_queue not empty\n");
-
- skb_queue_purge(&precvpriv->rx_skb_queue);
-
- if (skb_queue_len(&precvpriv->free_recv_skb_queue)) {
- DBG_8723A(KERN_WARNING "free_recv_skb_queue not empty, %d\n",
- skb_queue_len(&precvpriv->free_recv_skb_queue));
- }
-
- skb_queue_purge(&precvpriv->free_recv_skb_queue);
-}
-
-struct recv_stat_cpu {
- u32 rxdw0;
- u32 rxdw1;
- u32 rxdw2;
- u32 rxdw3;
- u32 rxdw4;
- u32 rxdw5;
-};
-
-void update_recvframe_attrib(struct recv_frame *precvframe,
- struct recv_stat *prxstat)
-{
- struct rx_pkt_attrib *pattrib;
- struct recv_stat_cpu report;
- struct rxreport_8723a *prxreport;
-
- report.rxdw0 = le32_to_cpu(prxstat->rxdw0);
- report.rxdw1 = le32_to_cpu(prxstat->rxdw1);
- report.rxdw2 = le32_to_cpu(prxstat->rxdw2);
- report.rxdw3 = le32_to_cpu(prxstat->rxdw3);
- report.rxdw4 = le32_to_cpu(prxstat->rxdw4);
- report.rxdw5 = le32_to_cpu(prxstat->rxdw5);
-
- prxreport = (struct rxreport_8723a *)&report;
-
- pattrib = &precvframe->attrib;
- memset(pattrib, 0, sizeof(struct rx_pkt_attrib));
-
- /* update rx report to recv_frame attribute */
- pattrib->pkt_len = (u16)prxreport->pktlen;
- pattrib->drvinfo_sz = (u8)(prxreport->drvinfosize << 3);
- pattrib->physt = (u8)prxreport->physt;
-
- pattrib->crc_err = (u8)prxreport->crc32;
- pattrib->icv_err = (u8)prxreport->icverr;
-
- pattrib->bdecrypted = (u8)(prxreport->swdec ? 0 : 1);
- pattrib->encrypt = (u8)prxreport->security;
-
- pattrib->qos = (u8)prxreport->qos;
- pattrib->priority = (u8)prxreport->tid;
-
- pattrib->amsdu = (u8)prxreport->amsdu;
-
- pattrib->seq_num = (u16)prxreport->seq;
- pattrib->frag_num = (u8)prxreport->frag;
- pattrib->mfrag = (u8)prxreport->mf;
- pattrib->mdata = (u8)prxreport->md;
-
- pattrib->mcs_rate = (u8)prxreport->rxmcs;
- pattrib->rxht = (u8)prxreport->rxht;
-}
-
-void update_recvframe_phyinfo(struct recv_frame *precvframe,
- struct phy_stat *pphy_status)
-{
- struct rtw_adapter *padapter = precvframe->adapter;
- struct rx_pkt_attrib *pattrib = &precvframe->attrib;
- struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter);
- struct phy_info *pPHYInfo = &pattrib->phy_info;
- struct odm_packet_info pkt_info;
- u8 *sa = NULL, *da;
- struct sta_priv *pstapriv;
- struct sta_info *psta;
- struct sk_buff *skb = precvframe->pkt;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- bool matchbssid = false;
- u8 *bssid;
-
- matchbssid = !ieee80211_is_ctl(hdr->frame_control) &&
- !pattrib->icv_err && !pattrib->crc_err;
-
- if (matchbssid) {
- switch (hdr->frame_control &
- cpu_to_le16(IEEE80211_FCTL_TODS |
- IEEE80211_FCTL_FROMDS)) {
- case cpu_to_le16(IEEE80211_FCTL_TODS):
- bssid = hdr->addr1;
- break;
- case cpu_to_le16(IEEE80211_FCTL_FROMDS):
- bssid = hdr->addr2;
- break;
- case cpu_to_le16(0):
- bssid = hdr->addr3;
- break;
- default:
- bssid = NULL;
- matchbssid = false;
- }
-
- if (bssid)
- matchbssid = ether_addr_equal(
- get_bssid(&padapter->mlmepriv), bssid);
- }
-
- pkt_info.bPacketMatchBSSID = matchbssid;
-
- da = ieee80211_get_DA(hdr);
- pkt_info.bPacketToSelf = pkt_info.bPacketMatchBSSID &&
- (!memcmp(da, myid(&padapter->eeprompriv), ETH_ALEN));
-
- pkt_info.bPacketBeacon = pkt_info.bPacketMatchBSSID &&
- ieee80211_is_beacon(hdr->frame_control);
-
- pkt_info.StationID = 0xFF;
- if (pkt_info.bPacketBeacon) {
- if (check_fwstate(&padapter->mlmepriv, WIFI_STATION_STATE) == true)
- sa = padapter->mlmepriv.cur_network.network.MacAddress;
- /* to do Ad-hoc */
- } else {
- sa = ieee80211_get_SA(hdr);
- }
-
- pstapriv = &padapter->stapriv;
- psta = rtw_get_stainfo23a(pstapriv, sa);
- if (psta) {
- pkt_info.StationID = psta->mac_id;
- /* printk("%s ==> StationID(%d)\n", __func__, pkt_info.StationID); */
- }
- pkt_info.Rate = pattrib->mcs_rate;
-
- ODM_PhyStatusQuery23a(&pHalData->odmpriv, pPHYInfo,
- (u8 *)pphy_status, &pkt_info);
- precvframe->psta = NULL;
- if (pkt_info.bPacketMatchBSSID &&
- (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true)) {
- if (psta) {
- precvframe->psta = psta;
- rtl8723a_process_phy_info(padapter, precvframe);
- }
- } else if (pkt_info.bPacketToSelf || pkt_info.bPacketBeacon) {
- if (check_fwstate(&padapter->mlmepriv,
- WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) ==
- true) {
- if (psta)
- precvframe->psta = psta;
- }
- rtl8723a_process_phy_info(padapter, precvframe);
- }
-}
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