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746 lines
20 KiB
746 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* Copyright(c) 2009-2012 Realtek Corporation.*/ |
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#include "../wifi.h" |
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#include "../pci.h" |
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#include "../usb.h" |
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#include "../ps.h" |
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#include "../cam.h" |
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#include "../stats.h" |
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#include "reg.h" |
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#include "def.h" |
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#include "phy.h" |
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#include "rf.h" |
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#include "dm.h" |
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#include "mac.h" |
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#include "trx.h" |
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#include "../rtl8192c/fw_common.h" |
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#include <linux/module.h> |
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/* macro to shorten lines */ |
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#define LINK_Q ui_link_quality |
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#define RX_EVM rx_evm_percentage |
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#define RX_SIGQ rx_mimo_sig_qual |
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void rtl92c_read_chip_version(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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struct rtl_phy *rtlphy = &(rtlpriv->phy); |
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struct rtl_hal *rtlhal = rtl_hal(rtlpriv); |
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enum version_8192c chip_version = VERSION_UNKNOWN; |
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const char *versionid; |
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u32 value32; |
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value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG); |
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if (value32 & TRP_VAUX_EN) { |
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chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C : |
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VERSION_TEST_CHIP_88C; |
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} else { |
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/* Normal mass production chip. */ |
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chip_version = NORMAL_CHIP; |
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chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0); |
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chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0); |
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if (IS_VENDOR_UMC(chip_version)) |
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chip_version |= ((value32 & CHIP_VER_RTL_MASK) ? |
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CHIP_VENDOR_UMC_B_CUT : 0); |
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if (IS_92C_SERIAL(chip_version)) { |
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value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM); |
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chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) == |
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CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0); |
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} |
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} |
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rtlhal->version = (enum version_8192c)chip_version; |
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pr_info("Chip version 0x%x\n", chip_version); |
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switch (rtlhal->version) { |
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case VERSION_NORMAL_TSMC_CHIP_92C_1T2R: |
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versionid = "NORMAL_B_CHIP_92C"; |
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break; |
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case VERSION_NORMAL_TSMC_CHIP_92C: |
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versionid = "NORMAL_TSMC_CHIP_92C"; |
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break; |
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case VERSION_NORMAL_TSMC_CHIP_88C: |
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versionid = "NORMAL_TSMC_CHIP_88C"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT: |
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versionid = "NORMAL_UMC_CHIP_i92C_1T2R_A_CUT"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_92C_A_CUT: |
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versionid = "NORMAL_UMC_CHIP_92C_A_CUT"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_88C_A_CUT: |
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versionid = "NORMAL_UMC_CHIP_88C_A_CUT"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT: |
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versionid = "NORMAL_UMC_CHIP_92C_1T2R_B_CUT"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_92C_B_CUT: |
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versionid = "NORMAL_UMC_CHIP_92C_B_CUT"; |
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break; |
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case VERSION_NORMAL_UMC_CHIP_88C_B_CUT: |
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versionid = "NORMAL_UMC_CHIP_88C_B_CUT"; |
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break; |
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case VERSION_TEST_CHIP_92C: |
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versionid = "TEST_CHIP_92C"; |
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break; |
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case VERSION_TEST_CHIP_88C: |
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versionid = "TEST_CHIP_88C"; |
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break; |
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default: |
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versionid = "UNKNOWN"; |
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break; |
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} |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_TRACE, |
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"Chip Version ID: %s\n", versionid); |
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if (IS_92C_SERIAL(rtlhal->version)) |
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rtlphy->rf_type = |
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(IS_92C_1T2R(rtlhal->version)) ? RF_1T2R : RF_2T2R; |
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else |
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rtlphy->rf_type = RF_1T1R; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, |
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"Chip RF Type: %s\n", |
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rtlphy->rf_type == RF_2T2R ? "RF_2T2R" : "RF_1T1R"); |
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if (get_rf_type(rtlphy) == RF_1T1R) |
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rtlpriv->dm.rfpath_rxenable[0] = true; |
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else |
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rtlpriv->dm.rfpath_rxenable[0] = |
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rtlpriv->dm.rfpath_rxenable[1] = true; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "VersionID = 0x%4x\n", |
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rtlhal->version); |
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} |
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|
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/** |
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* rtl92c_llt_write - LLT table write access |
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* @hw: Pointer to the ieee80211_hw structure. |
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* @address: LLT logical address. |
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* @data: LLT data content |
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* |
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* Realtek hardware access function. |
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* |
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*/ |
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bool rtl92c_llt_write(struct ieee80211_hw *hw, u32 address, u32 data) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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bool status = true; |
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long count = 0; |
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u32 value = _LLT_INIT_ADDR(address) | |
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_LLT_INIT_DATA(data) | _LLT_OP(_LLT_WRITE_ACCESS); |
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rtl_write_dword(rtlpriv, REG_LLT_INIT, value); |
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do { |
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value = rtl_read_dword(rtlpriv, REG_LLT_INIT); |
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if (_LLT_NO_ACTIVE == _LLT_OP_VALUE(value)) |
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break; |
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if (count > POLLING_LLT_THRESHOLD) { |
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pr_err("Failed to polling write LLT done at address %d! _LLT_OP_VALUE(%x)\n", |
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address, _LLT_OP_VALUE(value)); |
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status = false; |
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break; |
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} |
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} while (++count); |
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return status; |
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} |
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/** |
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* rtl92c_init_llt_table - Init LLT table |
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* @hw: Pointer to the ieee80211_hw structure. |
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* @boundary: Page boundary. |
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* |
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* Realtek hardware access function. |
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*/ |
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bool rtl92c_init_llt_table(struct ieee80211_hw *hw, u32 boundary) |
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{ |
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bool rst = true; |
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u32 i; |
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for (i = 0; i < (boundary - 1); i++) { |
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rst = rtl92c_llt_write(hw, i , i + 1); |
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if (!rst) { |
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pr_err("===> %s #1 fail\n", __func__); |
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return rst; |
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} |
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} |
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/* end of list */ |
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rst = rtl92c_llt_write(hw, (boundary - 1), 0xFF); |
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if (!rst) { |
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pr_err("===> %s #2 fail\n", __func__); |
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return rst; |
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} |
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/* Make the other pages as ring buffer |
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* This ring buffer is used as beacon buffer if we config this MAC |
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* as two MAC transfer. |
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* Otherwise used as local loopback buffer. |
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*/ |
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for (i = boundary; i < LLT_LAST_ENTRY_OF_TX_PKT_BUFFER; i++) { |
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rst = rtl92c_llt_write(hw, i, (i + 1)); |
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if (!rst) { |
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pr_err("===> %s #3 fail\n", __func__); |
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return rst; |
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} |
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} |
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/* Let last entry point to the start entry of ring buffer */ |
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rst = rtl92c_llt_write(hw, LLT_LAST_ENTRY_OF_TX_PKT_BUFFER, boundary); |
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if (!rst) { |
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pr_err("===> %s #4 fail\n", __func__); |
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return rst; |
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} |
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return rst; |
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} |
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void rtl92c_set_key(struct ieee80211_hw *hw, u32 key_index, |
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u8 *p_macaddr, bool is_group, u8 enc_algo, |
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bool is_wepkey, bool clear_all) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); |
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struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw)); |
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u8 *macaddr = p_macaddr; |
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u32 entry_id = 0; |
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bool is_pairwise = false; |
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static u8 cam_const_addr[4][6] = { |
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, |
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x02}, |
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{0x00, 0x00, 0x00, 0x00, 0x00, 0x03} |
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}; |
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static u8 cam_const_broad[] = { |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
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}; |
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if (clear_all) { |
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u8 idx = 0; |
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u8 cam_offset = 0; |
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u8 clear_number = 5; |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, "clear_all\n"); |
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for (idx = 0; idx < clear_number; idx++) { |
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rtl_cam_mark_invalid(hw, cam_offset + idx); |
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rtl_cam_empty_entry(hw, cam_offset + idx); |
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if (idx < 5) { |
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memset(rtlpriv->sec.key_buf[idx], 0, |
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MAX_KEY_LEN); |
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rtlpriv->sec.key_len[idx] = 0; |
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} |
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} |
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} else { |
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switch (enc_algo) { |
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case WEP40_ENCRYPTION: |
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enc_algo = CAM_WEP40; |
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break; |
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case WEP104_ENCRYPTION: |
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enc_algo = CAM_WEP104; |
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break; |
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case TKIP_ENCRYPTION: |
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enc_algo = CAM_TKIP; |
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break; |
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case AESCCMP_ENCRYPTION: |
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enc_algo = CAM_AES; |
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break; |
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default: |
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pr_err("illegal switch case\n"); |
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enc_algo = CAM_TKIP; |
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break; |
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} |
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if (is_wepkey || rtlpriv->sec.use_defaultkey) { |
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macaddr = cam_const_addr[key_index]; |
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entry_id = key_index; |
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} else { |
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if (is_group) { |
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macaddr = cam_const_broad; |
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entry_id = key_index; |
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} else { |
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if (mac->opmode == NL80211_IFTYPE_AP || |
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mac->opmode == NL80211_IFTYPE_MESH_POINT) { |
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entry_id = rtl_cam_get_free_entry(hw, |
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p_macaddr); |
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if (entry_id >= TOTAL_CAM_ENTRY) { |
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pr_err("Can not find free hw security cam entry\n"); |
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return; |
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} |
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} else { |
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entry_id = CAM_PAIRWISE_KEY_POSITION; |
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} |
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key_index = PAIRWISE_KEYIDX; |
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is_pairwise = true; |
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} |
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} |
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if (rtlpriv->sec.key_len[key_index] == 0) { |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, |
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"delete one entry\n"); |
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if (mac->opmode == NL80211_IFTYPE_AP || |
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mac->opmode == NL80211_IFTYPE_MESH_POINT) |
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rtl_cam_del_entry(hw, p_macaddr); |
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rtl_cam_delete_one_entry(hw, p_macaddr, entry_id); |
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} else { |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, |
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"The insert KEY length is %d\n", |
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rtlpriv->sec.key_len[PAIRWISE_KEYIDX]); |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_LOUD, |
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"The insert KEY is %x %x\n", |
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rtlpriv->sec.key_buf[0][0], |
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rtlpriv->sec.key_buf[0][1]); |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, |
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"add one entry\n"); |
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if (is_pairwise) { |
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RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_LOUD, |
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"Pairwise Key content", |
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rtlpriv->sec.pairwise_key, |
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rtlpriv->sec. |
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key_len[PAIRWISE_KEYIDX]); |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, |
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"set Pairwise key\n"); |
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rtl_cam_add_one_entry(hw, macaddr, key_index, |
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entry_id, enc_algo, |
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CAM_CONFIG_NO_USEDK, |
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rtlpriv->sec. |
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key_buf[key_index]); |
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} else { |
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rtl_dbg(rtlpriv, COMP_SEC, DBG_DMESG, |
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"set group key\n"); |
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if (mac->opmode == NL80211_IFTYPE_ADHOC) { |
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rtl_cam_add_one_entry(hw, |
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rtlefuse->dev_addr, |
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PAIRWISE_KEYIDX, |
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CAM_PAIRWISE_KEY_POSITION, |
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enc_algo, |
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CAM_CONFIG_NO_USEDK, |
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rtlpriv->sec.key_buf |
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[entry_id]); |
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} |
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rtl_cam_add_one_entry(hw, macaddr, key_index, |
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entry_id, enc_algo, |
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CAM_CONFIG_NO_USEDK, |
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rtlpriv->sec.key_buf[entry_id]); |
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} |
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} |
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} |
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} |
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u32 rtl92c_get_txdma_status(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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return rtl_read_dword(rtlpriv, REG_TXDMA_STATUS); |
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} |
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void rtl92c_enable_interrupt(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); |
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struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); |
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if (IS_HARDWARE_TYPE_8192CE(rtlpriv)) { |
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rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & |
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0xFFFFFFFF); |
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rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & |
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0xFFFFFFFF); |
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} else { |
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rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] & |
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0xFFFFFFFF); |
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rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] & |
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0xFFFFFFFF); |
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} |
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} |
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void rtl92c_init_interrupt(struct ieee80211_hw *hw) |
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{ |
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rtl92c_enable_interrupt(hw); |
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} |
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void rtl92c_disable_interrupt(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); |
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rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); |
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} |
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void rtl92c_set_qos(struct ieee80211_hw *hw, int aci) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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rtl92c_dm_init_edca_turbo(hw); |
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rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AC_PARAM, (u8 *)&aci); |
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} |
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void rtl92c_init_driver_info_size(struct ieee80211_hw *hw, u8 size) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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rtl_write_byte(rtlpriv, REG_RX_DRVINFO_SZ, size); |
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} |
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int rtl92c_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type) |
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{ |
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u8 value; |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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switch (type) { |
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case NL80211_IFTYPE_UNSPECIFIED: |
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value = NT_NO_LINK; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, |
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"Set Network type to NO LINK!\n"); |
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break; |
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case NL80211_IFTYPE_ADHOC: |
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value = NT_LINK_AD_HOC; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, |
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"Set Network type to Ad Hoc!\n"); |
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break; |
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case NL80211_IFTYPE_STATION: |
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value = NT_LINK_AP; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, |
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"Set Network type to STA!\n"); |
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break; |
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case NL80211_IFTYPE_AP: |
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value = NT_AS_AP; |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, |
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"Set Network type to AP!\n"); |
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break; |
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default: |
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rtl_dbg(rtlpriv, COMP_INIT, DBG_DMESG, |
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"Network type %d not supported!\n", type); |
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return -EOPNOTSUPP; |
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} |
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rtl_write_byte(rtlpriv, MSR, value); |
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return 0; |
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} |
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|
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void rtl92c_init_network_type(struct ieee80211_hw *hw) |
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{ |
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rtl92c_set_network_type(hw, NL80211_IFTYPE_UNSPECIFIED); |
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} |
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|
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void rtl92c_init_adaptive_ctrl(struct ieee80211_hw *hw) |
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{ |
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u16 value16; |
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u32 value32; |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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/* Response Rate Set */ |
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value32 = rtl_read_dword(rtlpriv, REG_RRSR); |
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value32 &= ~RATE_BITMAP_ALL; |
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value32 |= RATE_RRSR_CCK_ONLY_1M; |
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rtl_write_dword(rtlpriv, REG_RRSR, value32); |
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/* SIFS (used in NAV) */ |
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value16 = _SPEC_SIFS_CCK(0x10) | _SPEC_SIFS_OFDM(0x10); |
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rtl_write_word(rtlpriv, REG_SPEC_SIFS, value16); |
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/* Retry Limit */ |
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value16 = _LRL(0x30) | _SRL(0x30); |
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rtl_write_dword(rtlpriv, REG_RL, value16); |
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} |
|
|
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void rtl92c_init_rate_fallback(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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/* Set Data Auto Rate Fallback Retry Count register. */ |
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rtl_write_dword(rtlpriv, REG_DARFRC, 0x00000000); |
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rtl_write_dword(rtlpriv, REG_DARFRC+4, 0x10080404); |
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rtl_write_dword(rtlpriv, REG_RARFRC, 0x04030201); |
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rtl_write_dword(rtlpriv, REG_RARFRC+4, 0x08070605); |
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} |
|
|
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static void rtl92c_set_cck_sifs(struct ieee80211_hw *hw, u8 trx_sifs, |
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u8 ctx_sifs) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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|
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rtl_write_byte(rtlpriv, REG_SIFS_CCK, trx_sifs); |
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rtl_write_byte(rtlpriv, (REG_SIFS_CCK + 1), ctx_sifs); |
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} |
|
|
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static void rtl92c_set_ofdm_sifs(struct ieee80211_hw *hw, u8 trx_sifs, |
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u8 ctx_sifs) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
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|
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rtl_write_byte(rtlpriv, REG_SIFS_OFDM, trx_sifs); |
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rtl_write_byte(rtlpriv, (REG_SIFS_OFDM + 1), ctx_sifs); |
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} |
|
|
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void rtl92c_init_edca_param(struct ieee80211_hw *hw, |
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u16 queue, u16 txop, u8 cw_min, u8 cw_max, u8 aifs) |
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{ |
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/* sequence: VO, VI, BE, BK ==> the same as 92C hardware design. |
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* referenc : enum nl80211_txq_q or ieee80211_set_wmm_default function. |
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*/ |
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u32 value; |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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value = (u32)aifs; |
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value |= ((u32)cw_min & 0xF) << 8; |
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value |= ((u32)cw_max & 0xF) << 12; |
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value |= (u32)txop << 16; |
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/* 92C hardware register sequence is the same as queue number. */ |
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rtl_write_dword(rtlpriv, (REG_EDCA_VO_PARAM + (queue * 4)), value); |
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} |
|
|
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void rtl92c_init_edca(struct ieee80211_hw *hw) |
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{ |
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u16 value16; |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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/* disable EDCCA count down, to reduce collison and retry */ |
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value16 = rtl_read_word(rtlpriv, REG_RD_CTRL); |
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value16 |= DIS_EDCA_CNT_DWN; |
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rtl_write_word(rtlpriv, REG_RD_CTRL, value16); |
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/* Update SIFS timing. ?????????? |
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* pHalData->SifsTime = 0x0e0e0a0a; */ |
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rtl92c_set_cck_sifs(hw, 0xa, 0xa); |
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rtl92c_set_ofdm_sifs(hw, 0xe, 0xe); |
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/* Set CCK/OFDM SIFS to be 10us. */ |
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rtl_write_word(rtlpriv, REG_SIFS_CCK, 0x0a0a); |
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rtl_write_word(rtlpriv, REG_SIFS_OFDM, 0x1010); |
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rtl_write_word(rtlpriv, REG_PROT_MODE_CTRL, 0x0204); |
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rtl_write_dword(rtlpriv, REG_BAR_MODE_CTRL, 0x014004); |
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/* TXOP */ |
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rtl_write_dword(rtlpriv, REG_EDCA_BE_PARAM, 0x005EA42B); |
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rtl_write_dword(rtlpriv, REG_EDCA_BK_PARAM, 0x0000A44F); |
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rtl_write_dword(rtlpriv, REG_EDCA_VI_PARAM, 0x005EA324); |
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rtl_write_dword(rtlpriv, REG_EDCA_VO_PARAM, 0x002FA226); |
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/* PIFS */ |
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rtl_write_byte(rtlpriv, REG_PIFS, 0x1C); |
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/* AGGR BREAK TIME Register */ |
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rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); |
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rtl_write_word(rtlpriv, REG_NAV_PROT_LEN, 0x0040); |
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rtl_write_byte(rtlpriv, REG_BCNDMATIM, 0x02); |
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rtl_write_byte(rtlpriv, REG_ATIMWND, 0x02); |
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} |
|
|
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void rtl92c_init_ampdu_aggregation(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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rtl_write_dword(rtlpriv, REG_AGGLEN_LMT, 0x99997631); |
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rtl_write_byte(rtlpriv, REG_AGGR_BREAK_TIME, 0x16); |
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/* init AMPDU aggregation number, tuning for Tx's TP, */ |
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rtl_write_word(rtlpriv, 0x4CA, 0x0708); |
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} |
|
|
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void rtl92c_init_beacon_max_error(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
|
rtl_write_byte(rtlpriv, REG_BCN_MAX_ERR, 0xFF); |
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} |
|
|
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void rtl92c_init_rdg_setting(struct ieee80211_hw *hw) |
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{ |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
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rtl_write_byte(rtlpriv, REG_RD_CTRL, 0xFF); |
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rtl_write_word(rtlpriv, REG_RD_NAV_NXT, 0x200); |
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rtl_write_byte(rtlpriv, REG_RD_RESP_PKT_TH, 0x05); |
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} |
|
|
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void rtl92c_init_retry_function(struct ieee80211_hw *hw) |
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{ |
|
u8 value8; |
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struct rtl_priv *rtlpriv = rtl_priv(hw); |
|
|
|
value8 = rtl_read_byte(rtlpriv, REG_FWHW_TXQ_CTRL); |
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value8 |= EN_AMPDU_RTY_NEW; |
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rtl_write_byte(rtlpriv, REG_FWHW_TXQ_CTRL, value8); |
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/* Set ACK timeout */ |
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rtl_write_byte(rtlpriv, REG_ACKTO, 0x40); |
|
} |
|
|
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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); |
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} |
|
|
|
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); |
|
} |
|
|
|
/*==============================================================*/ |
|
|
|
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; |
|
__le32 *pdesc = (__le32 *)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 = rtl_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 = rtl_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 = rtl_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 = rtl_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)(rtl_signal_scale_mapping(hw, pwdb_all)); |
|
else if (rf_rx_num != 0) |
|
pstats->signalstrength = |
|
(u8)(rtl_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); |
|
}
|
|
|