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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c670
1 files changed, 670 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
new file mode 100644
index 0000000..ac4a82d
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/trx.c
@@ -0,0 +1,670 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2012 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ *****************************************************************************/
+
+#include "../wifi.h"
+#include "../usb.h"
+#include "../ps.h"
+#include "../base.h"
+#include "reg.h"
+#include "def.h"
+#include "phy.h"
+#include "rf.h"
+#include "dm.h"
+#include "mac.h"
+#include "trx.h"
+#include "../rtl8192c/fw_common.h"
+
+static int _ConfigVerTOutEP(struct ieee80211_hw *hw)
+{
+ u8 ep_cfg, txqsele;
+ u8 ep_nums = 0;
+
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
+ struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
+
+ rtlusb->out_queue_sel = 0;
+ ep_cfg = rtl_read_byte(rtlpriv, REG_TEST_SIE_OPTIONAL);
+ ep_cfg = (ep_cfg & USB_TEST_EP_MASK) >> USB_TEST_EP_SHIFT;
+ switch (ep_cfg) {
+ case 0: /* 2 bulk OUT, 1 bulk IN */
+ case 3:
+ rtlusb->out_queue_sel = TX_SELE_HQ | TX_SELE_LQ;
+ ep_nums = 2;
+ break;
+ case 1: /* 1 bulk IN/OUT => map all endpoint to Low queue */
+ case 2: /* 1 bulk IN, 1 bulk OUT => map all endpoint to High queue */
+ txqsele = rtl_read_byte(rtlpriv, REG_TEST_USB_TXQS);
+ if (txqsele & 0x0F) /* /map all endpoint to High queue */
+ rtlusb->out_queue_sel = TX_SELE_HQ;
+ else if (txqsele&0xF0) /* map all endpoint to Low queue */
+ rtlusb->out_queue_sel = TX_SELE_LQ;
+ ep_nums = 1;
+ break;
+ default:
+ break;
+ }
+ return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
+}
+
+static int _ConfigVerNOutEP(struct ieee80211_hw *hw)
+{
+ u8 ep_cfg;
+ u8 ep_nums = 0;
+
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
+ struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
+
+ rtlusb->out_queue_sel = 0;
+ /* Normal and High queue */
+ ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 1));
+ if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
+ rtlusb->out_queue_sel |= TX_SELE_HQ;
+ ep_nums++;
+ }
+ if ((ep_cfg >> USB_NORMAL_SIE_EP_SHIFT) & USB_NORMAL_SIE_EP_MASK) {
+ rtlusb->out_queue_sel |= TX_SELE_NQ;
+ ep_nums++;
+ }
+ /* Low queue */
+ ep_cfg = rtl_read_byte(rtlpriv, (REG_NORMAL_SIE_EP + 2));
+ if (ep_cfg & USB_NORMAL_SIE_EP_MASK) {
+ rtlusb->out_queue_sel |= TX_SELE_LQ;
+ ep_nums++;
+ }
+ return (rtlusb->out_ep_nums == ep_nums) ? 0 : -EINVAL;
+}
+
+static void _TwoOutEpMapping(struct ieee80211_hw *hw, bool bIsChipB,
+ bool bwificfg, struct rtl_ep_map *ep_map)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ if (bwificfg) { /* for WMM */
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "USB Chip-B & WMM Setting.....\n");
+ ep_map->ep_mapping[RTL_TXQ_BE] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BK] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VI] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VO] = 2;
+ ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
+ ep_map->ep_mapping[RTL_TXQ_HI] = 2;
+ } else { /* typical setting */
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "USB typical Setting.....\n");
+ ep_map->ep_mapping[RTL_TXQ_BE] = 3;
+ ep_map->ep_mapping[RTL_TXQ_BK] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VI] = 2;
+ ep_map->ep_mapping[RTL_TXQ_VO] = 2;
+ ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
+ ep_map->ep_mapping[RTL_TXQ_HI] = 2;
+ }
+}
+
+static void _ThreeOutEpMapping(struct ieee80211_hw *hw, bool bwificfg,
+ struct rtl_ep_map *ep_map)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ if (bwificfg) { /* for WMM */
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "USB 3EP Setting for WMM.....\n");
+ ep_map->ep_mapping[RTL_TXQ_BE] = 5;
+ ep_map->ep_mapping[RTL_TXQ_BK] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VI] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VO] = 2;
+ ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
+ ep_map->ep_mapping[RTL_TXQ_HI] = 2;
+ } else { /* typical setting */
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "USB 3EP Setting for typical.....\n");
+ ep_map->ep_mapping[RTL_TXQ_BE] = 5;
+ ep_map->ep_mapping[RTL_TXQ_BK] = 5;
+ ep_map->ep_mapping[RTL_TXQ_VI] = 3;
+ ep_map->ep_mapping[RTL_TXQ_VO] = 2;
+ ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
+ ep_map->ep_mapping[RTL_TXQ_HI] = 2;
+ }
+}
+
+static void _OneOutEpMapping(struct ieee80211_hw *hw, struct rtl_ep_map *ep_map)
+{
+ ep_map->ep_mapping[RTL_TXQ_BE] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BK] = 2;
+ ep_map->ep_mapping[RTL_TXQ_VI] = 2;
+ ep_map->ep_mapping[RTL_TXQ_VO] = 2;
+ ep_map->ep_mapping[RTL_TXQ_MGT] = 2;
+ ep_map->ep_mapping[RTL_TXQ_BCN] = 2;
+ ep_map->ep_mapping[RTL_TXQ_HI] = 2;
+}
+static int _out_ep_mapping(struct ieee80211_hw *hw)
+{
+ int err = 0;
+ bool bIsChipN, bwificfg = false;
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ struct rtl_usb_priv *usb_priv = rtl_usbpriv(hw);
+ struct rtl_usb *rtlusb = rtl_usbdev(usb_priv);
+ struct rtl_ep_map *ep_map = &(rtlusb->ep_map);
+
+ bIsChipN = IS_NORMAL_CHIP(rtlhal->version);
+ switch (rtlusb->out_ep_nums) {
+ case 2:
+ _TwoOutEpMapping(hw, bIsChipN, bwificfg, ep_map);
+ break;
+ case 3:
+ /* Test chip doesn't support three out EPs. */
+ if (!bIsChipN) {
+ err = -EINVAL;
+ goto err_out;
+ }
+ _ThreeOutEpMapping(hw, bIsChipN, ep_map);
+ break;
+ case 1:
+ _OneOutEpMapping(hw, ep_map);
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+err_out:
+ return err;
+
+}
+/* endpoint mapping */
+int rtl8192cu_endpoint_mapping(struct ieee80211_hw *hw)
+{
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ int error = 0;
+ if (likely(IS_NORMAL_CHIP(rtlhal->version)))
+ error = _ConfigVerNOutEP(hw);
+ else
+ error = _ConfigVerTOutEP(hw);
+ if (error)
+ goto err_out;
+ error = _out_ep_mapping(hw);
+ if (error)
+ goto err_out;
+err_out:
+ return error;
+}
+
+u16 rtl8192cu_mq_to_hwq(__le16 fc, u16 mac80211_queue_index)
+{
+ u16 hw_queue_index;
+
+ if (unlikely(ieee80211_is_beacon(fc))) {
+ hw_queue_index = RTL_TXQ_BCN;
+ goto out;
+ }
+ if (ieee80211_is_mgmt(fc)) {
+ hw_queue_index = RTL_TXQ_MGT;
+ goto out;
+ }
+ switch (mac80211_queue_index) {
+ case 0:
+ hw_queue_index = RTL_TXQ_VO;
+ break;
+ case 1:
+ hw_queue_index = RTL_TXQ_VI;
+ break;
+ case 2:
+ hw_queue_index = RTL_TXQ_BE;
+ break;
+ case 3:
+ hw_queue_index = RTL_TXQ_BK;
+ break;
+ default:
+ hw_queue_index = RTL_TXQ_BE;
+ WARN_ONCE(true, "rtl8192cu: QSLT_BE queue, skb_queue:%d\n",
+ mac80211_queue_index);
+ break;
+ }
+out:
+ return hw_queue_index;
+}
+
+static enum rtl_desc_qsel _rtl8192cu_mq_to_descq(struct ieee80211_hw *hw,
+ __le16 fc, u16 mac80211_queue_index)
+{
+ enum rtl_desc_qsel qsel;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ if (unlikely(ieee80211_is_beacon(fc))) {
+ qsel = QSLT_BEACON;
+ goto out;
+ }
+ if (ieee80211_is_mgmt(fc)) {
+ qsel = QSLT_MGNT;
+ goto out;
+ }
+ switch (mac80211_queue_index) {
+ case 0: /* VO */
+ qsel = QSLT_VO;
+ RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
+ "VO queue, set qsel = 0x%x\n", QSLT_VO);
+ break;
+ case 1: /* VI */
+ qsel = QSLT_VI;
+ RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
+ "VI queue, set qsel = 0x%x\n", QSLT_VI);
+ break;
+ case 3: /* BK */
+ qsel = QSLT_BK;
+ RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
+ "BK queue, set qsel = 0x%x\n", QSLT_BK);
+ break;
+ case 2: /* BE */
+ default:
+ qsel = QSLT_BE;
+ RT_TRACE(rtlpriv, COMP_USB, DBG_DMESG,
+ "BE queue, set qsel = 0x%x\n", QSLT_BE);
+ break;
+ }
+out:
+ return qsel;
+}
+
+/* =============================================================== */
+
+/*----------------------------------------------------------------------
+ *
+ * Rx handler
+ *
+ *---------------------------------------------------------------------- */
+bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
+ struct rtl_stats *stats,
+ struct ieee80211_rx_status *rx_status,
+ u8 *pdesc, struct sk_buff *skb)
+{
+ struct rx_fwinfo_92c *p_drvinfo;
+ struct rx_desc_92c *p_desc = (struct rx_desc_92c *)pdesc;
+ u32 phystatus = GET_RX_DESC_PHY_STATUS(pdesc);
+
+ stats->length = (u16) GET_RX_DESC_PKT_LEN(pdesc);
+ stats->rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(pdesc) *
+ RX_DRV_INFO_SIZE_UNIT;
+ stats->rx_bufshift = (u8) (GET_RX_DESC_SHIFT(pdesc) & 0x03);
+ stats->icv = (u16) GET_RX_DESC_ICV(pdesc);
+ stats->crc = (u16) GET_RX_DESC_CRC32(pdesc);
+ stats->hwerror = (stats->crc | stats->icv);
+ stats->decrypted = !GET_RX_DESC_SWDEC(pdesc);
+ stats->rate = (u8) GET_RX_DESC_RX_MCS(pdesc);
+ stats->shortpreamble = (u16) GET_RX_DESC_SPLCP(pdesc);
+ stats->isampdu = (bool) (GET_RX_DESC_PAGGR(pdesc) == 1);
+ stats->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1)
+ && (GET_RX_DESC_FAGGR(pdesc) == 1));
+ stats->timestamp_low = GET_RX_DESC_TSFL(pdesc);
+ stats->rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(pdesc);
+ stats->is_ht = (bool)GET_RX_DESC_RX_HT(pdesc);
+ rx_status->freq = hw->conf.chandef.chan->center_freq;
+ rx_status->band = hw->conf.chandef.chan->band;
+ if (GET_RX_DESC_CRC32(pdesc))
+ rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+ if (!GET_RX_DESC_SWDEC(pdesc))
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ if (GET_RX_DESC_BW(pdesc))
+ rx_status->bw = RATE_INFO_BW_40;
+ if (GET_RX_DESC_RX_HT(pdesc))
+ rx_status->encoding = RX_ENC_HT;
+ rx_status->flag |= RX_FLAG_MACTIME_START;
+ if (stats->decrypted)
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats->is_ht,
+ false, stats->rate);
+ rx_status->mactime = GET_RX_DESC_TSFL(pdesc);
+ if (phystatus) {
+ p_drvinfo = (struct rx_fwinfo_92c *)(skb->data +
+ stats->rx_bufshift);
+ rtl92c_translate_rx_signal_stuff(hw, skb, stats, p_desc,
+ p_drvinfo);
+ }
+ /*rx_status->qual = stats->signal; */
+ rx_status->signal = stats->recvsignalpower + 10;
+ return true;
+}
+
+#define RTL_RX_DRV_INFO_UNIT 8
+
+static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct ieee80211_rx_status *rx_status =
+ (struct ieee80211_rx_status *)IEEE80211_SKB_RXCB(skb);
+ u32 skb_len, pkt_len, drvinfo_len;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 *rxdesc;
+ struct rtl_stats stats = {
+ .signal = 0,
+ .rate = 0,
+ };
+ struct rx_fwinfo_92c *p_drvinfo;
+ bool bv;
+ __le16 fc;
+ struct ieee80211_hdr *hdr;
+
+ memset(rx_status, 0, sizeof(*rx_status));
+ rxdesc = skb->data;
+ skb_len = skb->len;
+ drvinfo_len = (GET_RX_DESC_DRVINFO_SIZE(rxdesc) * RTL_RX_DRV_INFO_UNIT);
+ pkt_len = GET_RX_DESC_PKT_LEN(rxdesc);
+ /* TODO: Error recovery. drop this skb or something. */
+ WARN_ON(skb_len < (pkt_len + RTL_RX_DESC_SIZE + drvinfo_len));
+ stats.length = (u16) GET_RX_DESC_PKT_LEN(rxdesc);
+ stats.rx_drvinfo_size = (u8)GET_RX_DESC_DRVINFO_SIZE(rxdesc) *
+ RX_DRV_INFO_SIZE_UNIT;
+ stats.rx_bufshift = (u8) (GET_RX_DESC_SHIFT(rxdesc) & 0x03);
+ stats.icv = (u16) GET_RX_DESC_ICV(rxdesc);
+ stats.crc = (u16) GET_RX_DESC_CRC32(rxdesc);
+ stats.hwerror = (stats.crc | stats.icv);
+ stats.decrypted = !GET_RX_DESC_SWDEC(rxdesc);
+ stats.rate = (u8) GET_RX_DESC_RX_MCS(rxdesc);
+ stats.shortpreamble = (u16) GET_RX_DESC_SPLCP(rxdesc);
+ stats.isampdu = (bool) ((GET_RX_DESC_PAGGR(rxdesc) == 1)
+ && (GET_RX_DESC_FAGGR(rxdesc) == 1));
+ stats.timestamp_low = GET_RX_DESC_TSFL(rxdesc);
+ stats.rx_is40Mhzpacket = (bool) GET_RX_DESC_BW(rxdesc);
+ stats.is_ht = (bool)GET_RX_DESC_RX_HT(rxdesc);
+ /* TODO: is center_freq changed when doing scan? */
+ /* TODO: Shall we add protection or just skip those two step? */
+ rx_status->freq = hw->conf.chandef.chan->center_freq;
+ rx_status->band = hw->conf.chandef.chan->band;
+ if (GET_RX_DESC_CRC32(rxdesc))
+ rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+ if (!GET_RX_DESC_SWDEC(rxdesc))
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ if (GET_RX_DESC_BW(rxdesc))
+ rx_status->bw = RATE_INFO_BW_40;
+ if (GET_RX_DESC_RX_HT(rxdesc))
+ rx_status->encoding = RX_ENC_HT;
+ /* Data rate */
+ rx_status->rate_idx = rtlwifi_rate_mapping(hw, stats.is_ht,
+ false, stats.rate);
+ /* There is a phy status after this rx descriptor. */
+ if (GET_RX_DESC_PHY_STATUS(rxdesc)) {
+ p_drvinfo = (struct rx_fwinfo_92c *)(rxdesc + RTL_RX_DESC_SIZE);
+ rtl92c_translate_rx_signal_stuff(hw, skb, &stats,
+ (struct rx_desc_92c *)rxdesc, p_drvinfo);
+ }
+ skb_pull(skb, (drvinfo_len + RTL_RX_DESC_SIZE));
+ hdr = (struct ieee80211_hdr *)(skb->data);
+ fc = hdr->frame_control;
+ bv = ieee80211_is_probe_resp(fc);
+ if (bv)
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "Got probe response frame\n");
+ if (ieee80211_is_beacon(fc))
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got beacon frame\n");
+ if (ieee80211_is_data(fc))
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "Got data frame\n");
+ RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
+ "Fram: fc = 0x%X addr1 = 0x%02X:0x%02X:0x%02X:0x%02X:0x%02X:0x%02X\n",
+ fc,
+ (u32)hdr->addr1[0], (u32)hdr->addr1[1],
+ (u32)hdr->addr1[2], (u32)hdr->addr1[3],
+ (u32)hdr->addr1[4], (u32)hdr->addr1[5]);
+ memcpy(IEEE80211_SKB_RXCB(skb), rx_status, sizeof(*rx_status));
+ ieee80211_rx(hw, skb);
+}
+
+void rtl8192cu_rx_hdl(struct ieee80211_hw *hw, struct sk_buff * skb)
+{
+ _rtl_rx_process(hw, skb);
+}
+
+/*----------------------------------------------------------------------
+ *
+ * Tx handler
+ *
+ *---------------------------------------------------------------------- */
+void rtl8192c_tx_cleanup(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+}
+
+int rtl8192c_tx_post_hdl(struct ieee80211_hw *hw, struct urb *urb,
+ struct sk_buff *skb)
+{
+ return 0;
+}
+
+struct sk_buff *rtl8192c_tx_aggregate_hdl(struct ieee80211_hw *hw,
+ struct sk_buff_head *list)
+{
+ return skb_dequeue(list);
+}
+
+/*======================================== trx ===============================*/
+
+static void _rtl_fill_usb_tx_desc(u8 *txdesc)
+{
+ SET_TX_DESC_OWN(txdesc, 1);
+ SET_TX_DESC_LAST_SEG(txdesc, 1);
+ SET_TX_DESC_FIRST_SEG(txdesc, 1);
+}
+/**
+ * For HW recovery information
+ */
+static void _rtl_tx_desc_checksum(u8 *txdesc)
+{
+ __le16 *ptr = (__le16 *)txdesc;
+ u16 checksum = 0;
+ u32 index;
+
+ /* Clear first */
+ SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, 0);
+ for (index = 0; index < 16; index++)
+ checksum = checksum ^ le16_to_cpu(*(ptr + index));
+ SET_TX_DESC_TX_DESC_CHECKSUM(txdesc, checksum);
+}
+
+void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
+ struct ieee80211_hdr *hdr, u8 *pdesc_tx,
+ u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
+ u8 queue_index,
+ struct rtl_tcb_desc *tcb_desc)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+ bool defaultadapter = true;
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
+ u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+ u16 seq_number;
+ __le16 fc = hdr->frame_control;
+ u8 rate_flag = info->control.rates[0].flags;
+ u16 pktlen = skb->len;
+ enum rtl_desc_qsel fw_qsel = _rtl8192cu_mq_to_descq(hw, fc,
+ skb_get_queue_mapping(skb));
+ u8 *txdesc;
+
+ seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
+ rtl_get_tcb_desc(hw, info, sta, skb, tcb_desc);
+ txdesc = skb_push(skb, RTL_TX_HEADER_SIZE);
+ memset(txdesc, 0, RTL_TX_HEADER_SIZE);
+ SET_TX_DESC_PKT_SIZE(txdesc, pktlen);
+ SET_TX_DESC_LINIP(txdesc, 0);
+ SET_TX_DESC_PKT_OFFSET(txdesc, RTL_DUMMY_OFFSET);
+ SET_TX_DESC_OFFSET(txdesc, RTL_TX_HEADER_SIZE);
+ SET_TX_DESC_TX_RATE(txdesc, tcb_desc->hw_rate);
+ if (tcb_desc->use_shortgi || tcb_desc->use_shortpreamble)
+ SET_TX_DESC_DATA_SHORTGI(txdesc, 1);
+ if (mac->tids[tid].agg.agg_state == RTL_AGG_ON &&
+ info->flags & IEEE80211_TX_CTL_AMPDU) {
+ SET_TX_DESC_AGG_ENABLE(txdesc, 1);
+ SET_TX_DESC_MAX_AGG_NUM(txdesc, 0x14);
+ } else {
+ SET_TX_DESC_AGG_BREAK(txdesc, 1);
+ }
+ SET_TX_DESC_SEQ(txdesc, seq_number);
+ SET_TX_DESC_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable &&
+ !tcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_HW_RTS_ENABLE(txdesc, ((tcb_desc->rts_enable ||
+ tcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_CTS2SELF(txdesc, ((tcb_desc->cts_enable) ? 1 : 0));
+ SET_TX_DESC_RTS_STBC(txdesc, ((tcb_desc->rts_stbc) ? 1 : 0));
+ SET_TX_DESC_RTS_RATE(txdesc, tcb_desc->rts_rate);
+ SET_TX_DESC_RTS_BW(txdesc, 0);
+ SET_TX_DESC_RTS_SC(txdesc, tcb_desc->rts_sc);
+ SET_TX_DESC_RTS_SHORT(txdesc,
+ ((tcb_desc->rts_rate <= DESC_RATE54M) ?
+ (tcb_desc->rts_use_shortpreamble ? 1 : 0)
+ : (tcb_desc->rts_use_shortgi ? 1 : 0)));
+ if (mac->bw_40) {
+ if (rate_flag & IEEE80211_TX_RC_DUP_DATA) {
+ SET_TX_DESC_DATA_BW(txdesc, 1);
+ SET_TX_DESC_DATA_SC(txdesc, 3);
+ } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){
+ SET_TX_DESC_DATA_BW(txdesc, 1);
+ SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc);
+ } else {
+ SET_TX_DESC_DATA_BW(txdesc, 0);
+ SET_TX_DESC_DATA_SC(txdesc, 0);
+ }
+ } else {
+ SET_TX_DESC_DATA_BW(txdesc, 0);
+ SET_TX_DESC_DATA_SC(txdesc, 0);
+ }
+ rcu_read_lock();
+ sta = ieee80211_find_sta(mac->vif, mac->bssid);
+ if (sta) {
+ u8 ampdu_density = sta->ht_cap.ampdu_density;
+ SET_TX_DESC_AMPDU_DENSITY(txdesc, ampdu_density);
+ }
+ rcu_read_unlock();
+ if (info->control.hw_key) {
+ struct ieee80211_key_conf *keyconf = info->control.hw_key;
+ switch (keyconf->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ case WLAN_CIPHER_SUITE_TKIP:
+ SET_TX_DESC_SEC_TYPE(txdesc, 0x1);
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ SET_TX_DESC_SEC_TYPE(txdesc, 0x3);
+ break;
+ default:
+ SET_TX_DESC_SEC_TYPE(txdesc, 0x0);
+ break;
+ }
+ }
+ SET_TX_DESC_PKT_ID(txdesc, 0);
+ SET_TX_DESC_QUEUE_SEL(txdesc, fw_qsel);
+ SET_TX_DESC_DATA_RATE_FB_LIMIT(txdesc, 0x1F);
+ SET_TX_DESC_RTS_RATE_FB_LIMIT(txdesc, 0xF);
+ SET_TX_DESC_DISABLE_FB(txdesc, 0);
+ SET_TX_DESC_USE_RATE(txdesc, tcb_desc->use_driver_rate ? 1 : 0);
+ if (ieee80211_is_data_qos(fc)) {
+ if (mac->rdg_en) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "Enable RDG function\n");
+ SET_TX_DESC_RDG_ENABLE(txdesc, 1);
+ SET_TX_DESC_HTC(txdesc, 1);
+ }
+ }
+ if (rtlpriv->dm.useramask) {
+ SET_TX_DESC_RATE_ID(txdesc, tcb_desc->ratr_index);
+ SET_TX_DESC_MACID(txdesc, tcb_desc->mac_id);
+ } else {
+ SET_TX_DESC_RATE_ID(txdesc, 0xC + tcb_desc->ratr_index);
+ SET_TX_DESC_MACID(txdesc, tcb_desc->ratr_index);
+ }
+ if ((!ieee80211_is_data_qos(fc)) && ppsc->leisure_ps &&
+ ppsc->fwctrl_lps) {
+ SET_TX_DESC_HWSEQ_EN(txdesc, 1);
+ SET_TX_DESC_PKT_ID(txdesc, 8);
+ if (!defaultadapter)
+ SET_TX_DESC_QOS(txdesc, 1);
+ }
+ if (ieee80211_has_morefrags(fc))
+ SET_TX_DESC_MORE_FRAG(txdesc, 1);
+ if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
+ is_broadcast_ether_addr(ieee80211_get_DA(hdr)))
+ SET_TX_DESC_BMC(txdesc, 1);
+ _rtl_fill_usb_tx_desc(txdesc);
+ _rtl_tx_desc_checksum(txdesc);
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "==>\n");
+}
+
+void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,
+ u32 buffer_len, bool bIsPsPoll)
+{
+ /* Clear all status */
+ memset(pDesc, 0, RTL_TX_HEADER_SIZE);
+ SET_TX_DESC_FIRST_SEG(pDesc, 1); /* bFirstSeg; */
+ SET_TX_DESC_LAST_SEG(pDesc, 1); /* bLastSeg; */
+ SET_TX_DESC_OFFSET(pDesc, RTL_TX_HEADER_SIZE); /* Offset = 32 */
+ SET_TX_DESC_PKT_SIZE(pDesc, buffer_len); /* Buffer size + command hdr */
+ SET_TX_DESC_QUEUE_SEL(pDesc, QSLT_MGNT); /* Fixed queue of Mgnt queue */
+ /* Set NAVUSEHDR to prevent Ps-poll AId filed to be changed to error
+ * vlaue by Hw. */
+ if (bIsPsPoll) {
+ SET_TX_DESC_NAV_USE_HDR(pDesc, 1);
+ } else {
+ SET_TX_DESC_HWSEQ_EN(pDesc, 1); /* Hw set sequence number */
+ SET_TX_DESC_PKT_ID(pDesc, 0x100); /* set bit3 to 1. */
+ }
+ SET_TX_DESC_USE_RATE(pDesc, 1); /* use data rate which is set by Sw */
+ SET_TX_DESC_OWN(pDesc, 1);
+ SET_TX_DESC_TX_RATE(pDesc, DESC_RATE1M);
+ _rtl_tx_desc_checksum(pDesc);
+}
+
+void rtl92cu_tx_fill_cmddesc(struct ieee80211_hw *hw,
+ u8 *pdesc, bool firstseg,
+ bool lastseg, struct sk_buff *skb)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 fw_queue = QSLT_BEACON;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+ __le16 fc = hdr->frame_control;
+
+ memset((void *)pdesc, 0, RTL_TX_HEADER_SIZE);
+ if (firstseg)
+ SET_TX_DESC_OFFSET(pdesc, RTL_TX_HEADER_SIZE);
+ SET_TX_DESC_TX_RATE(pdesc, DESC_RATE1M);
+ SET_TX_DESC_SEQ(pdesc, 0);
+ SET_TX_DESC_LINIP(pdesc, 0);
+ SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+ SET_TX_DESC_RATE_ID(pdesc, 7);
+ SET_TX_DESC_MACID(pdesc, 0);
+ SET_TX_DESC_OWN(pdesc, 1);
+ SET_TX_DESC_PKT_SIZE(pdesc, (u16)skb->len);
+ SET_TX_DESC_FIRST_SEG(pdesc, 1);
+ SET_TX_DESC_LAST_SEG(pdesc, 1);
+ SET_TX_DESC_OFFSET(pdesc, 0x20);
+ SET_TX_DESC_USE_RATE(pdesc, 1);
+ if (!ieee80211_is_data_qos(fc)) {
+ SET_TX_DESC_HWSEQ_EN(pdesc, 1);
+ SET_TX_DESC_PKT_ID(pdesc, 8);
+ }
+ RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD, "H2C Tx Cmd Content",
+ pdesc, RTL_TX_DESC_SIZE);
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-23 17:53:01 +0000