Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 355 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtlwifi/cam.c b/drivers/net/wireless/rtlwifi/cam.c
new file mode 100644
index 000000000000..7295af0536b7
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/cam.c
@@ -0,0 +1,355 @@
+/******************************************************************************
+ *
+ * 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"
+
+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_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,
+                 ("key_cont_128:\n %x:%x:%x:%x:%x:%x\n",
+                  key_cont_128[0], key_cont_128[1],
+                  key_cont_128[2], key_cont_128[3],
+                  key_cont_128[4], key_cont_128[5]));
+
+        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" MAC_FMT "\n",
+                  ul_entry_idx, ul_key_id, ul_enc_alg,
+                  ul_default_key, MAC_ARG(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, ("<===\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 (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(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"));
+        }
+
+        if ((sta_addr[0]|sta_addr[1]|sta_addr[2]|sta_addr[3]|\
+                                sta_addr[4]|sta_addr[5]) == 0) {
+                RT_TRACE(rtlpriv, 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(KERN_INFO "&&&&&&&&&del entry %d\n", i);
+                }
+        }
+        return;
+}
+EXPORT_SYMBOL(rtl_cam_del_entry);