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Diffstat (limited to 'drivers/staging/rtl8821ae/cam.c')
-rw-r--r--drivers/staging/rtl8821ae/cam.c345
1 files changed, 0 insertions, 345 deletions
diff --git a/drivers/staging/rtl8821ae/cam.c b/drivers/staging/rtl8821ae/cam.c
deleted file mode 100644
index 6185ea42deb1..000000000000
--- a/drivers/staging/rtl8821ae/cam.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2009-2010 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.
- *
- * 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 <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 "cam.h"
-#include <linux/export.h>
-
-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(COMP_SEC, DBG_LOUD,
- ("WRITE %x: %x \n",
- rtlpriv->cfg->maps[WCAMI], target_content));
- RT_TRACE(COMP_SEC, DBG_LOUD,
- ("The Key ID is %d\n", entry_no));
- RT_TRACE(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(COMP_SEC, DBG_LOUD,
- ("WRITE A4: %x \n", target_content));
- RT_TRACE(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(COMP_SEC, DBG_LOUD,
- ("WRITE A4: %x \n", target_content));
- RT_TRACE(COMP_SEC, DBG_LOUD,
- ("WRITE A0: %x \n", target_command));
- }
- }
-
- RT_TRACE(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(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(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(COMP_SEC, DBG_DMESG, ("end \n"));
-
- return 1;
-
-}
-
-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(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(COMP_SEC, DBG_DMESG,
- ("rtl_cam_delete_one_entry(): WRITE A4: %x \n", 0));
- RT_TRACE(COMP_SEC, DBG_DMESG,
- ("rtl_cam_delete_one_entry(): WRITE A0: %x \n", ul_command));
-
- return 0;
-
-}
-
-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);
-}
-
-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(COMP_SEC, DBG_DMESG,
- ("rtl_cam_mark_invalid(): WRITE A4: %x \n", ul_content));
- RT_TRACE(COMP_SEC, DBG_DMESG,
- ("rtl_cam_mark_invalid(): WRITE A0: %x \n", ul_command));
-}
-
-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(COMP_SEC, DBG_LOUD,
- ("rtl_cam_empty_entry(): WRITE A4: %x \n",
- ul_content));
- RT_TRACE(COMP_SEC, DBG_LOUD,
- ("rtl_cam_empty_entry(): WRITE A0: %x \n",
- ul_command));
- }
-
-}
-
-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(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(memcmp(addr, sta_addr, ETH_ALEN) == 0)
- 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(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;
-}
-
-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(COMP_SEC, DBG_EMERG,
- ("sta_addr is NULL.\n"));
- }
-
- if ((sta_addr[0]|sta_addr[1]|sta_addr[2]|sta_addr[3]|\
- sta_addr[4]|sta_addr[5]) == 0) {
- RT_TRACE(COMP_SEC, DBG_EMERG,
- ("sta_addr is 00:00:00:00:00:00.\n"));
- 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)) &&
- (memcmp(addr, sta_addr, ETH_ALEN) == 0)) {
- /* Remove from HW Security CAM */
- memset(rtlpriv->sec.hwsec_cam_sta_addr[i], 0, ETH_ALEN);
- rtlpriv->sec.hwsec_cam_bitmap &= ~(BIT(0) << i);
- printk("&&&&&&&&&del entry %d\n",i);
- }
- }
- return;
-}
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