X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fwireless%2Frtlwifi%2Frtl8192cu%2Fmac.c;fp=kernel%2Fdrivers%2Fnet%2Fwireless%2Frtlwifi%2Frtl8192cu%2Fmac.c;h=0000000000000000000000000000000000000000;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=adb810794eef71e27080cd9590a07911eba5123b;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git diff --git a/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c b/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c deleted file mode 100644 index adb810794..000000000 --- a/kernel/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c +++ /dev/null @@ -1,945 +0,0 @@ -/****************************************************************************** - * - * 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. - * - * 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 - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger - * -****************************************************************************/ - -#include "../wifi.h" -#include "../pci.h" -#include "../usb.h" -#include "../ps.h" -#include "../cam.h" -#include "../stats.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" - -#include - -/* macro to shorten lines */ - -#define LINK_Q ui_link_quality -#define RX_EVM rx_evm_percentage -#define RX_SIGQ rx_mimo_sig_qual - - -void rtl92c_read_chip_version(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_phy *rtlphy = &(rtlpriv->phy); - struct rtl_hal *rtlhal = rtl_hal(rtlpriv); - enum version_8192c chip_version = VERSION_UNKNOWN; - const char *versionid; - u32 value32; - - value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG); - if (value32 & TRP_VAUX_EN) { - chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C : - VERSION_TEST_CHIP_88C; - } else { - /* Normal mass production chip. */ - chip_version = NORMAL_CHIP; - chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0); - chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0); - /* RTL8723 with BT function. */ - chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0); - if (IS_VENDOR_UMC(chip_version)) - chip_version |= ((value32 & CHIP_VER_RTL_MASK) ? - CHIP_VENDOR_UMC_B_CUT : 0); - if (IS_92C_SERIAL(chip_version)) { - value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM); - chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) == - CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0); - } else if (IS_8723_SERIES(chip_version)) { - value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS); - chip_version |= ((value32 & RF_RL_ID) ? - CHIP_8723_DRV_REV : 0); - } - } - rtlhal->version = (enum version_8192c)chip_version; - pr_info("Chip version 0x%x\n", chip_version); - switch (rtlhal->version) { - case VERSION_NORMAL_TSMC_CHIP_92C_1T2R: - versionid = "NORMAL_B_CHIP_92C"; - break; - case VERSION_NORMAL_TSMC_CHIP_92C: - versionid = "NORMAL_TSMC_CHIP_92C"; - break; - case VERSION_NORMAL_TSMC_CHIP_88C: - versionid = "NORMAL_TSMC_CHIP_88C"; - break; - case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT: - versionid = "NORMAL_UMC_CHIP_i92C_1T2R_A_CUT"; - break; - case VERSION_NORMAL_UMC_CHIP_92C_A_CUT: - versionid = "NORMAL_UMC_CHIP_92C_A_CUT"; - break; - case VERSION_NORMAL_UMC_CHIP_88C_A_CUT: - versionid = "NORMAL_UMC_CHIP_88C_A_CUT"; - break; - case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT: - versionid = "NORMAL_UMC_CHIP_92C_1T2R_B_CUT"; - break; - case VERSION_NORMAL_UMC_CHIP_92C_B_CUT: - versionid = "NORMAL_UMC_CHIP_92C_B_CUT"; - break; - case VERSION_NORMAL_UMC_CHIP_88C_B_CUT: - versionid = "NORMAL_UMC_CHIP_88C_B_CUT"; - break; - case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT: - versionid = "NORMAL_UMC_CHIP_8723_1T1R_A_CUT"; - break; - case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT: - versionid = "NORMAL_UMC_CHIP_8723_1T1R_B_CUT"; - break; - case VERSION_TEST_CHIP_92C: - versionid = "TEST_CHIP_92C"; - break; - case VERSION_TEST_CHIP_88C: - versionid = "TEST_CHIP_88C"; - break; - default: - versionid = "UNKNOWN"; - break; - } - RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "Chip Version ID: %s\n", versionid); - - if (IS_92C_SERIAL(rtlhal->version)) - rtlphy->rf_type = - (IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R; - else - rtlphy->rf_type = RF_1T1R; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, - "Chip RF Type: %s\n", - rtlphy->rf_type == RF_2T2R ? "RF_2T2R" : "RF_1T1R"); - if (get_rf_type(rtlphy) == RF_1T1R) - rtlpriv->dm.rfpath_rxenable[0] = true; - else - rtlpriv->dm.rfpath_rxenable[0] = - rtlpriv->dm.rfpath_rxenable[1] = true; - RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "VersionID = 0x%4x\n", - rtlhal->version); -} - -/** - * writeLLT - LLT table write access - * @io: io callback - * @address: LLT logical address. - * @data: LLT data content - * - * Realtek hardware access function. - * - */ -bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - bool status = true; - long count = 0; - u32 value = _LLT_INIT_ADDR(address) | - _LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS); - - rtl_write_dword(rtlpriv, REG_LLT_INIT, value); - do { - value = rtl_read_dword(rtlpriv, REG_LLT_INIT); - if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value)) - break; - if (count > POLLING_LLT_THRESHOLD) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - "Failed to polling write LLT done at address %d! _LLT_OP_VALUE(%x)\n", - address, _LLT_OP_VALUE(value)); - status = false; - break; - } - } while (++count); - return status; -} -/** - * rtl92c_init_LLT_table - Init LLT table - * @io: io callback - * @boundary: - * - * Realtek hardware access function. - * - */ -bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary) -{ - bool rst = true; - u32 i; - - for (i = 0; i < (boundary - 1); i++) { - rst = rtl92c_llt_write(hw, i , i + 1); - if (true != rst) { - pr_err("===> %s #1 fail\n", __func__); - return rst; - } - } - /* end of list */ - rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF); - if (true != rst) { - pr_err("===> %s #2 fail\n", __func__); - return rst; - } - /* Make the other pages as ring buffer - * This ring buffer is used as beacon buffer if we config this MAC - * as two MAC transfer. - * Otherwise used as local loopback buffer. - */ - for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) { - rst = rtl92c_llt_write(hw, i, (i + 1)); - if (true != rst) { - pr_err("===> %s #3 fail\n", __func__); - return rst; - } - } - /* Let last entry point to the start entry of ring buffer */ - rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary); - if (true != rst) { - pr_err("===> %s #4 fail\n", __func__); - return rst; - } - return rst; -} -void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index, - u8 *p_macaddr, bool is_group, u8 enc_algo, - bool is_wepkey, bool clear_all) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); - u8 *macaddr = p_macaddr; - u32 entry_id = 0; - bool is_pairwise = false; - static u8 cam_const_addr[4][6] = { - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, - {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} - }; - static u8 cam_const_broad[] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff - }; - - if (clear_all) { - u8 idx = 0; - u8 cam_offset = 0; - u8 clear_number = 5; - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "clear_all\n"); - for (idx = 0; idx < clear_number; idx++) { - rtl_cam_mark_invalid(hw, cam_offset + idx); - rtl_cam_empty_entry(hw, cam_offset + idx); - if (idx < 5) { - memset(rtlpriv->sec.key_buf[idx], 0, - MAX_KEY_LEN); - rtlpriv->sec.key_len[idx] = 0; - } - } - } else { - switch (enc_algo) { - case WEP40_ENCRYPTION: - enc_algo = CAM_WEP40; - break; - case WEP104_ENCRYPTION: - enc_algo = CAM_WEP104; - break; - case TKIP_ENCRYPTION: - enc_algo = CAM_TKIP; - break; - case AESCCMP_ENCRYPTION: - enc_algo = CAM_AES; - break; - default: - RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, - "illegal switch case\n"); - enc_algo = CAM_TKIP; - break; - } - if (is_wepkey || rtlpriv->sec.use_defaultkey) { - macaddr = cam_const_addr[key_index]; - entry_id = key_index; - } else { - if (is_group) { - macaddr = cam_const_broad; - entry_id = key_index; - } else { - if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_MESH_POINT) { - entry_id = rtl_cam_get_free_entry(hw, - p_macaddr); - if (entry_id >= TOTAL_CAM_ENTRY) { - RT_TRACE(rtlpriv, COMP_SEC, - DBG_EMERG, - "Can not find free hw security cam entry\n"); - return; - } - } else { - entry_id = CAM_PAIRWISE_KEY_POSITION; - } - - key_index = PAIRWISE_KEYIDX; - is_pairwise = true; - } - } - if (rtlpriv->sec.key_len[key_index] == 0) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "delete one entry\n"); - if (mac->opmode == NL80211_IFTYPE_AP || - mac->opmode == NL80211_IFTYPE_MESH_POINT) - rtl_cam_del_entry(hw, p_macaddr); - rtl_cam_delete_one_entry(hw, p_macaddr, entry_id); - } else { - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "The insert KEY length is %d\n", - rtlpriv->sec.key_len[PAIRWISE_KEYIDX]); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "The insert KEY is %x %x\n", - rtlpriv->sec.key_buf[0][0], - rtlpriv->sec.key_buf[0][1]); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "add one entry\n"); - if (is_pairwise) { - RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD, - "Pairwise Key content", - rtlpriv->sec.pairwise_key, - rtlpriv->sec. - key_len[PAIRWISE_KEYIDX]); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set Pairwise key\n"); - - rtl_cam_add_one_entry(hw, macaddr, key_index, - entry_id, enc_algo, - CAM_CONFIG_NO_USEDK, - rtlpriv->sec. - key_buf[key_index]); - } else { - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "set group key\n"); - if (mac->opmode == NL80211_IFTYPE_ADHOC) { - rtl_cam_add_one_entry(hw, - rtlefuse->dev_addr, - PAIRWISE_KEYIDX, - CAM_PAIRWISE_KEY_POSITION, - enc_algo, - CAM_CONFIG_NO_USEDK, - rtlpriv->sec.key_buf - [entry_id]); - } - rtl_cam_add_one_entry(hw, macaddr, key_index, - entry_id, enc_algo, - CAM_CONFIG_NO_USEDK, - rtlpriv->sec.key_buf[entry_id]); - } - } - } -} - -u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS); -} - -void rtl92c_enable_interrupt(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); - - if (IS_HARDWARE_TYPE_8192CE(rtlhal)) { - rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & - 0xFFFFFFFF); - rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & - 0xFFFFFFFF); - } else { - rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] & - 0xFFFFFFFF); - rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] & - 0xFFFFFFFF); - } -} - -void rtl92c_init_interrupt(struct ieee80211_hw *hw) -{ - rtl92c_enable_interrupt(hw); -} - -void rtl92c_disable_interrupt(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); - rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); -} - -void rtl92c_set_qos(struct ieee80211_hw *hw, int aci) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - u32 u4b_ac_param; - - rtl92c_dm_init_edca_turbo(hw); - u4b_ac_param = (u32) mac->ac[aci].aifs; - u4b_ac_param |= - ((u32) le16_to_cpu(mac->ac[aci].cw_min) & 0xF) << - AC_PARAM_ECW_MIN_OFFSET; - u4b_ac_param |= - ((u32) le16_to_cpu(mac->ac[aci].cw_max) & 0xF) << - AC_PARAM_ECW_MAX_OFFSET; - u4b_ac_param |= (u32) le16_to_cpu(mac->ac[aci].tx_op) << - AC_PARAM_TXOP_OFFSET; - RT_TRACE(rtlpriv, COMP_QOS, DBG_LOUD, "queue:%x, ac_param:%x\n", - aci, u4b_ac_param); - switch (aci) { - case AC1_BK: - rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, u4b_ac_param); - break; - case AC0_BE: - rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, u4b_ac_param); - break; - case AC2_VI: - rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, u4b_ac_param); - break; - case AC3_VO: - rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, u4b_ac_param); - break; - default: - RT_ASSERT(false, "invalid aci: %d !\n", aci); - break; - } -} - -/*------------------------------------------------------------------------- - * HW MAC Address - *-------------------------------------------------------------------------*/ -void rtl92c_set_mac_addr(struct ieee80211_hw *hw, const u8 *addr) -{ - u32 i; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - for (i = 0 ; i < ETH_ALEN ; i++) - rtl_write_byte(rtlpriv, (REG_MACID + i), *(addr+i)); - - RT_TRACE(rtlpriv, COMP_CMD, DBG_DMESG, - "MAC Address: %02X-%02X-%02X-%02X-%02X-%02X\n", - rtl_read_byte(rtlpriv, REG_MACID), - rtl_read_byte(rtlpriv, REG_MACID+1), - rtl_read_byte(rtlpriv, REG_MACID+2), - rtl_read_byte(rtlpriv, REG_MACID+3), - rtl_read_byte(rtlpriv, REG_MACID+4), - rtl_read_byte(rtlpriv, REG_MACID+5)); -} - -void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size); -} - -int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type) -{ - u8 value; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - switch (type) { - case NL80211_IFTYPE_UNSPECIFIED: - value = NT_NO_LINK; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Set Network type to NO LINK!\n"); - break; - case NL80211_IFTYPE_ADHOC: - value = NT_LINK_AD_HOC; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Set Network type to Ad Hoc!\n"); - break; - case NL80211_IFTYPE_STATION: - value = NT_LINK_AP; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Set Network type to STA!\n"); - break; - case NL80211_IFTYPE_AP: - value = NT_AS_AP; - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Set Network type to AP!\n"); - break; - default: - RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, - "Network type %d not supported!\n", type); - return -EOPNOTSUPP; - } - rtl_write_byte(rtlpriv, MSR, value); - return 0; -} - -void rtl92c_init_network_type(struct ieee80211_hw *hw) -{ - rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED); -} - -void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw) -{ - u16 value16; - u32 value32; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - /* Response Rate Set */ - value32 = rtl_read_dword(rtlpriv, REG_RRSR); - value32 &= ~RATE_BITMAP_ALL; - value32 |= RATE_RRSR_CCK_ONLY_1M; - rtl_write_dword(rtlpriv, REG_RRSR, value32); - /* SIFS (used in NAV) */ - value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10); - rtl_write_word(rtlpriv, REG_SPEC_SIFS, value16); - /* Retry Limit */ - value16 = _LRL(0x30) | _SRL(0x30); - rtl_write_dword(rtlpriv, REG_RL, value16); -} - -void rtl92c_init_rate_fallback(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - /* Set Data Auto Rate Fallback Retry Count register. */ - rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000); - rtl_write_dword(rtlpriv, REG_DARFRC+4, 0x10080404); - rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201); - rtl_write_dword(rtlpriv, REG_RARFRC+4, 0x08070605); -} - -static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs, - u8 ctx_sifs) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs); - rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs); -} - -static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs, - u8 ctx_sifs) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs); - rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs); -} - -void rtl92c_init_edca_param(struct ieee80211_hw *hw, - u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs) -{ - /* sequence: VO, VI, BE, BK ==> the same as 92C hardware design. - * referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function. - */ - u32 value; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - value = (u32)aifs; - value |= ((u32)cw_min & 0xF) << 8; - value |= ((u32)cw_max & 0xF) << 12; - value |= (u32)txop << 16; - /* 92C hardware register sequence is the same as queue number. */ - rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value); -} - -void rtl92c_init_edca(struct ieee80211_hw *hw) -{ - u16 value16; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - /* disable EDCCA count down, to reduce collison and retry */ - value16 = rtl_read_word(rtlpriv, REG_RD_CTRL); - value16 |= DIS_EDCA_CNT_DWN; - rtl_write_word(rtlpriv, REG_RD_CTRL, value16); - /* Update SIFS timing. ?????????? - * pHalData->SifsTime = 0x0e0e0a0a; */ - rtl92c_set_cck_sifs(hw, 0xa, 0xa); - rtl92c_set_ofdm_sifs(hw, 0xe, 0xe); - /* Set CCK/OFDM SIFS to be 10us. */ - rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a); - rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010); - rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204); - rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004); - /* TXOP */ - rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B); - rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F); - rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324); - rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226); - /* PIFS */ - rtl_write_byte(rtlpriv, REG_PIFS, 0x1C); - /* AGGR BREAK TIME Register */ - rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); - rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040); - rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02); - rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02); -} - -void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631); - rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); - /* init AMPDU aggregation number, tuning for Tx's TP, */ - rtl_write_word(rtlpriv, 0x4CA, 0x0708); -} - -void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw, bool infra_mode) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF); -} - -void rtl92c_init_rdg_setting(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF); - rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200); - rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05); -} - -void rtl92c_init_retry_function(struct ieee80211_hw *hw) -{ - u8 value8; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL); - value8 |= EN_AMPDU_RTY_NEW; - rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8); - /* Set ACK timeout */ - rtl_write_byte(rtlpriv, REG_ACKTO, 0x40); -} - -void rtl92c_init_beacon_parameters(struct ieee80211_hw *hw, - enum version_8192c version) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtlpriv); - - rtl_write_word(rtlpriv, REG_TBTT_PROHIBIT, 0x6404);/* ms */ - rtl_write_byte(rtlpriv, REG_DRVERLYINT, DRIVER_EARLY_INT_TIME);/*ms*/ - rtl_write_byte(rtlpriv, REG_BCNDMATIM, BCN_DMA_ATIME_INT_TIME); - if (IS_NORMAL_CHIP(rtlhal->version)) - rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660F); - else - rtl_write_word(rtlpriv, REG_BCNTCFG, 0x66FF); -} - -void rtl92c_disable_fast_edca(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_word(rtlpriv, REG_FAST_EDCA_CTRL, 0); -} - -void rtl92c_set_min_space(struct ieee80211_hw *hw, bool is2T) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u8 value = is2T ? MAX_MSS_DENSITY_2T : MAX_MSS_DENSITY_1T; - - rtl_write_byte(rtlpriv, REG_AMPDU_MIN_SPACE, value); -} - -u16 rtl92c_get_mgt_filter(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - return rtl_read_word(rtlpriv, REG_RXFLTMAP0); -} - -void rtl92c_set_mgt_filter(struct ieee80211_hw *hw, u16 filter) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_word(rtlpriv, REG_RXFLTMAP0, filter); -} - -u16 rtl92c_get_ctrl_filter(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - return rtl_read_word(rtlpriv, REG_RXFLTMAP1); -} - -void rtl92c_set_ctrl_filter(struct ieee80211_hw *hw, u16 filter) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_word(rtlpriv, REG_RXFLTMAP1, filter); -} - -u16 rtl92c_get_data_filter(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - return rtl_read_word(rtlpriv, REG_RXFLTMAP2); -} - -void rtl92c_set_data_filter(struct ieee80211_hw *hw, u16 filter) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtl_write_word(rtlpriv, REG_RXFLTMAP2, filter); -} -/*==============================================================*/ - -static u8 _rtl92c_query_rxpwrpercentage(char antpower) -{ - if ((antpower <= -100) || (antpower >= 20)) - return 0; - else if (antpower >= 0) - return 100; - else - return 100 + antpower; -} - -static u8 _rtl92c_evm_db_to_percentage(char value) -{ - char ret_val; - - ret_val = value; - if (ret_val >= 0) - ret_val = 0; - if (ret_val <= -33) - ret_val = -33; - ret_val = 0 - ret_val; - ret_val *= 3; - if (ret_val == 99) - ret_val = 100; - return ret_val; -} - -static long _rtl92c_signal_scale_mapping(struct ieee80211_hw *hw, - long currsig) -{ - long retsig; - - if (currsig >= 61 && currsig <= 100) - retsig = 90 + ((currsig - 60) / 4); - else if (currsig >= 41 && currsig <= 60) - retsig = 78 + ((currsig - 40) / 2); - else if (currsig >= 31 && currsig <= 40) - retsig = 66 + (currsig - 30); - else if (currsig >= 21 && currsig <= 30) - retsig = 54 + (currsig - 20); - else if (currsig >= 5 && currsig <= 20) - retsig = 42 + (((currsig - 5) * 2) / 3); - else if (currsig == 4) - retsig = 36; - else if (currsig == 3) - retsig = 27; - else if (currsig == 2) - retsig = 18; - else if (currsig == 1) - retsig = 9; - else - retsig = currsig; - return retsig; -} - -static void _rtl92c_query_rxphystatus(struct ieee80211_hw *hw, - struct rtl_stats *pstats, - struct rx_desc_92c *p_desc, - struct rx_fwinfo_92c *p_drvinfo, - bool packet_match_bssid, - bool packet_toself, - bool packet_beacon) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_phy *rtlphy = &(rtlpriv->phy); - struct phy_sts_cck_8192s_t *cck_buf; - s8 rx_pwr_all = 0, rx_pwr[4]; - u8 rf_rx_num = 0, evm, pwdb_all; - u8 i, max_spatial_stream; - u32 rssi, total_rssi = 0; - bool in_powersavemode = false; - bool is_cck_rate; - u8 *pdesc = (u8 *)p_desc; - - is_cck_rate = RX_HAL_IS_CCK_RATE(p_desc->rxmcs); - pstats->packet_matchbssid = packet_match_bssid; - pstats->packet_toself = packet_toself; - pstats->packet_beacon = packet_beacon; - pstats->is_cck = is_cck_rate; - pstats->RX_SIGQ[0] = -1; - pstats->RX_SIGQ[1] = -1; - if (is_cck_rate) { - u8 report, cck_highpwr; - cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo; - if (!in_powersavemode) - cck_highpwr = rtlphy->cck_high_power; - else - cck_highpwr = false; - if (!cck_highpwr) { - u8 cck_agc_rpt = cck_buf->cck_agc_rpt; - report = cck_buf->cck_agc_rpt & 0xc0; - report = report >> 6; - switch (report) { - case 0x3: - rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); - break; - case 0x2: - rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); - break; - case 0x1: - rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); - break; - case 0x0: - rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); - break; - } - } else { - u8 cck_agc_rpt = cck_buf->cck_agc_rpt; - report = p_drvinfo->cfosho[0] & 0x60; - report = report >> 5; - switch (report) { - case 0x3: - rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1); - break; - case 0x2: - rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1); - break; - case 0x1: - rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1); - break; - case 0x0: - rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1); - break; - } - } - pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); - pstats->rx_pwdb_all = pwdb_all; - pstats->recvsignalpower = rx_pwr_all; - if (packet_match_bssid) { - u8 sq; - if (pstats->rx_pwdb_all > 40) - sq = 100; - else { - sq = cck_buf->sq_rpt; - if (sq > 64) - sq = 0; - else if (sq < 20) - sq = 100; - else - sq = ((64 - sq) * 100) / 44; - } - pstats->signalquality = sq; - pstats->RX_SIGQ[0] = sq; - pstats->RX_SIGQ[1] = -1; - } - } else { - rtlpriv->dm.rfpath_rxenable[0] = - rtlpriv->dm.rfpath_rxenable[1] = true; - for (i = RF90_PATH_A; i < RF90_PATH_MAX; i++) { - if (rtlpriv->dm.rfpath_rxenable[i]) - rf_rx_num++; - rx_pwr[i] = - ((p_drvinfo->gain_trsw[i] & 0x3f) * 2) - 110; - rssi = _rtl92c_query_rxpwrpercentage(rx_pwr[i]); - total_rssi += rssi; - rtlpriv->stats.rx_snr_db[i] = - (long)(p_drvinfo->rxsnr[i] / 2); - - if (packet_match_bssid) - pstats->rx_mimo_signalstrength[i] = (u8) rssi; - } - rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110; - pwdb_all = _rtl92c_query_rxpwrpercentage(rx_pwr_all); - pstats->rx_pwdb_all = pwdb_all; - pstats->rxpower = rx_pwr_all; - pstats->recvsignalpower = rx_pwr_all; - if (GET_RX_DESC_RX_MCS(pdesc) && - GET_RX_DESC_RX_MCS(pdesc) >= DESC_RATEMCS8 && - GET_RX_DESC_RX_MCS(pdesc) <= DESC_RATEMCS15) - max_spatial_stream = 2; - else - max_spatial_stream = 1; - for (i = 0; i < max_spatial_stream; i++) { - evm = _rtl92c_evm_db_to_percentage(p_drvinfo->rxevm[i]); - if (packet_match_bssid) { - if (i == 0) - pstats->signalquality = - (u8) (evm & 0xff); - pstats->RX_SIGQ[i] = - (u8) (evm & 0xff); - } - } - } - if (is_cck_rate) - pstats->signalstrength = - (u8) (_rtl92c_signal_scale_mapping(hw, pwdb_all)); - else if (rf_rx_num != 0) - pstats->signalstrength = - (u8) (_rtl92c_signal_scale_mapping - (hw, total_rssi /= rf_rx_num)); -} - -void rtl92c_translate_rx_signal_stuff(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct rtl_stats *pstats, - struct rx_desc_92c *pdesc, - struct rx_fwinfo_92c *p_drvinfo) -{ - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); - struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); - struct ieee80211_hdr *hdr; - u8 *tmp_buf; - u8 *praddr; - __le16 fc; - u16 type, cpu_fc; - bool packet_matchbssid, packet_toself, packet_beacon = false; - - tmp_buf = skb->data + pstats->rx_drvinfo_size + pstats->rx_bufshift; - hdr = (struct ieee80211_hdr *)tmp_buf; - fc = hdr->frame_control; - cpu_fc = le16_to_cpu(fc); - type = WLAN_FC_GET_TYPE(fc); - praddr = hdr->addr1; - packet_matchbssid = - ((IEEE80211_FTYPE_CTL != type) && - ether_addr_equal(mac->bssid, - (cpu_fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : - (cpu_fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : - hdr->addr3) && - (!pstats->hwerror) && (!pstats->crc) && (!pstats->icv)); - - packet_toself = packet_matchbssid && - ether_addr_equal(praddr, rtlefuse->dev_addr); - if (ieee80211_is_beacon(fc)) - packet_beacon = true; - _rtl92c_query_rxphystatus(hw, pstats, pdesc, p_drvinfo, - packet_matchbssid, packet_toself, - packet_beacon); - rtl_process_phyinfo(hw, tmp_buf, pstats); -}