From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- drivers/net/wireless/rtlwifi/cam.c | 347 ------------------------------------- 1 file changed, 347 deletions(-) delete mode 100644 drivers/net/wireless/rtlwifi/cam.c (limited to 'drivers/net/wireless/rtlwifi/cam.c') diff --git a/drivers/net/wireless/rtlwifi/cam.c b/drivers/net/wireless/rtlwifi/cam.c deleted file mode 100644 index 8fe8b4cfa..000000000 --- a/drivers/net/wireless/rtlwifi/cam.c +++ /dev/null @@ -1,347 +0,0 @@ -/****************************************************************************** - * - * Copyright(c) 2009-2012 Realtek Corporation. - * - * 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 - * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, - * Hsinchu 300, Taiwan. - * - * Larry Finger - * - *****************************************************************************/ -#include "wifi.h" -#include "cam.h" -#include - -void rtl_cam_reset_sec_info(struct ieee80211_hw *hw) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - rtlpriv->sec.use_defaultkey = false; - rtlpriv->sec.pairwise_enc_algorithm = NO_ENCRYPTION; - rtlpriv->sec.group_enc_algorithm = NO_ENCRYPTION; - memset(rtlpriv->sec.key_buf, 0, KEY_BUF_SIZE * MAX_KEY_LEN); - memset(rtlpriv->sec.key_len, 0, KEY_BUF_SIZE); - rtlpriv->sec.pairwise_key = NULL; -} - -static void rtl_cam_program_entry(struct ieee80211_hw *hw, u32 entry_no, - u8 *mac_addr, u8 *key_cont_128, u16 us_config) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - u32 target_command; - u32 target_content = 0; - u8 entry_i; - - RT_PRINT_DATA(rtlpriv, COMP_SEC, DBG_DMESG, "Key content :", - key_cont_128, 16); - - for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) { - target_command = entry_i + CAM_CONTENT_COUNT * entry_no; - target_command = target_command | BIT(31) | BIT(16); - - if (entry_i == 0) { - target_content = (u32) (*(mac_addr + 0)) << 16 | - (u32) (*(mac_addr + 1)) << 24 | (u32) us_config; - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], - target_content); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], - target_command); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE %x: %x\n", - rtlpriv->cfg->maps[WCAMI], target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "The Key ID is %d\n", entry_no); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE %x: %x\n", - rtlpriv->cfg->maps[RWCAM], target_command); - - } else if (entry_i == 1) { - - target_content = (u32) (*(mac_addr + 5)) << 24 | - (u32) (*(mac_addr + 4)) << 16 | - (u32) (*(mac_addr + 3)) << 8 | - (u32) (*(mac_addr + 2)); - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], - target_content); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], - target_command); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A4: %x\n", target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A0: %x\n", target_command); - - } else { - - target_content = - (u32) (*(key_cont_128 + (entry_i * 4 - 8) + 3)) << - 24 | (u32) (*(key_cont_128 + (entry_i * 4 - 8) + 2)) - << 16 | - (u32) (*(key_cont_128 + (entry_i * 4 - 8) + 1)) << 8 - | (u32) (*(key_cont_128 + (entry_i * 4 - 8) + 0)); - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], - target_content); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], - target_command); - udelay(100); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A4: %x\n", target_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "WRITE A0: %x\n", target_command); - } - } - - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "after set key, usconfig:%x\n", us_config); -} - -u8 rtl_cam_add_one_entry(struct ieee80211_hw *hw, u8 *mac_addr, - u32 ul_key_id, u32 ul_entry_idx, u32 ul_enc_alg, - u32 ul_default_key, u8 *key_content) -{ - u32 us_config; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "EntryNo:%x, ulKeyId=%x, ulEncAlg=%x, ulUseDK=%x MacAddr %pM\n", - ul_entry_idx, ul_key_id, ul_enc_alg, - ul_default_key, mac_addr); - - if (ul_key_id == TOTAL_CAM_ENTRY) { - RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, - "ulKeyId exceed!\n"); - return 0; - } - - if (ul_default_key == 1) - us_config = CFG_VALID | ((u16) (ul_enc_alg) << 2); - else - us_config = CFG_VALID | ((ul_enc_alg) << 2) | ul_key_id; - - rtl_cam_program_entry(hw, ul_entry_idx, mac_addr, - (u8 *)key_content, us_config); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "end\n"); - - return 1; - -} -EXPORT_SYMBOL(rtl_cam_add_one_entry); - -int rtl_cam_delete_one_entry(struct ieee80211_hw *hw, - u8 *mac_addr, u32 ul_key_id) -{ - u32 ul_command; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "key_idx:%d\n", ul_key_id); - - ul_command = ul_key_id * CAM_CONTENT_COUNT; - ul_command = ul_command | BIT(31) | BIT(16); - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], 0); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_delete_one_entry(): WRITE A4: %x\n", 0); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_delete_one_entry(): WRITE A0: %x\n", ul_command); - - return 0; - -} -EXPORT_SYMBOL(rtl_cam_delete_one_entry); - -void rtl_cam_reset_all_entry(struct ieee80211_hw *hw) -{ - u32 ul_command; - struct rtl_priv *rtlpriv = rtl_priv(hw); - - ul_command = BIT(31) | BIT(30); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); -} -EXPORT_SYMBOL(rtl_cam_reset_all_entry); - -void rtl_cam_mark_invalid(struct ieee80211_hw *hw, u8 uc_index) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - u32 ul_command; - u32 ul_content; - u32 ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_AES]; - - switch (rtlpriv->sec.pairwise_enc_algorithm) { - case WEP40_ENCRYPTION: - ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_WEP40]; - break; - case WEP104_ENCRYPTION: - ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_WEP104]; - break; - case TKIP_ENCRYPTION: - ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_TKIP]; - break; - case AESCCMP_ENCRYPTION: - ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_AES]; - break; - default: - ul_enc_algo = rtlpriv->cfg->maps[SEC_CAM_AES]; - } - - ul_content = (uc_index & 3) | ((u16) (ul_enc_algo) << 2); - - ul_content |= BIT(15); - ul_command = CAM_CONTENT_COUNT * uc_index; - ul_command = ul_command | BIT(31) | BIT(16); - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], ul_content); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_mark_invalid(): WRITE A4: %x\n", ul_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "rtl_cam_mark_invalid(): WRITE A0: %x\n", ul_command); -} -EXPORT_SYMBOL(rtl_cam_mark_invalid); - -void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - - u32 ul_command; - u32 ul_content; - u32 ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_AES]; - u8 entry_i; - - switch (rtlpriv->sec.pairwise_enc_algorithm) { - case WEP40_ENCRYPTION: - ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_WEP40]; - break; - case WEP104_ENCRYPTION: - ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_WEP104]; - break; - case TKIP_ENCRYPTION: - ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_TKIP]; - break; - case AESCCMP_ENCRYPTION: - ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_AES]; - break; - default: - ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_AES]; - } - - for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) { - - if (entry_i == 0) { - ul_content = - (uc_index & 0x03) | ((u16) (ul_encalgo) << 2); - ul_content |= BIT(15); - - } else { - ul_content = 0; - } - - ul_command = CAM_CONTENT_COUNT * uc_index + entry_i; - ul_command = ul_command | BIT(31) | BIT(16); - - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[WCAMI], ul_content); - rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM], ul_command); - - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "rtl_cam_empty_entry(): WRITE A4: %x\n", - ul_content); - RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD, - "rtl_cam_empty_entry(): WRITE A0: %x\n", - ul_command); - } - -} -EXPORT_SYMBOL(rtl_cam_empty_entry); - -u8 rtl_cam_get_free_entry(struct ieee80211_hw *hw, u8 *sta_addr) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u32 bitmap = (rtlpriv->sec.hwsec_cam_bitmap) >> 4; - u8 entry_idx = 0; - u8 i, *addr; - - if (NULL == sta_addr) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_EMERG, - "sta_addr is NULL.\n"); - return TOTAL_CAM_ENTRY; - } - /* Does STA already exist? */ - for (i = 4; i < TOTAL_CAM_ENTRY; i++) { - addr = rtlpriv->sec.hwsec_cam_sta_addr[i]; - if (ether_addr_equal_unaligned(addr, sta_addr)) - return i; - } - /* Get a free CAM entry. */ - for (entry_idx = 4; entry_idx < TOTAL_CAM_ENTRY; entry_idx++) { - if ((bitmap & BIT(0)) == 0) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_EMERG, - "-----hwsec_cam_bitmap: 0x%x entry_idx=%d\n", - rtlpriv->sec.hwsec_cam_bitmap, entry_idx); - rtlpriv->sec.hwsec_cam_bitmap |= BIT(0) << entry_idx; - memcpy(rtlpriv->sec.hwsec_cam_sta_addr[entry_idx], - sta_addr, ETH_ALEN); - return entry_idx; - } - bitmap = bitmap >> 1; - } - return TOTAL_CAM_ENTRY; -} -EXPORT_SYMBOL(rtl_cam_get_free_entry); - -void rtl_cam_del_entry(struct ieee80211_hw *hw, u8 *sta_addr) -{ - struct rtl_priv *rtlpriv = rtl_priv(hw); - u32 bitmap; - u8 i, *addr; - - if (NULL == sta_addr) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_EMERG, - "sta_addr is NULL.\n"); - return; - } - - if (is_zero_ether_addr(sta_addr)) { - RT_TRACE(rtlpriv, COMP_SEC, DBG_EMERG, - "sta_addr is %pM\n", sta_addr); - return; - } - /* Does STA already exist? */ - for (i = 4; i < TOTAL_CAM_ENTRY; i++) { - addr = rtlpriv->sec.hwsec_cam_sta_addr[i]; - bitmap = (rtlpriv->sec.hwsec_cam_bitmap) >> i; - if (((bitmap & BIT(0)) == BIT(0)) && - (ether_addr_equal_unaligned(addr, sta_addr))) { - /* Remove from HW Security CAM */ - eth_zero_addr(rtlpriv->sec.hwsec_cam_sta_addr[i]); - rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i); - RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, - "&&&&&&&&&del entry %d\n", i); - } - } - return; -} -EXPORT_SYMBOL(rtl_cam_del_entry); 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