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authorJohn W. Linville <linville@tuxdriver.com>2011-07-22 17:51:16 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-07-22 17:51:16 -0400
commit41bf37117b47fc5ce2aae91f6a108e7e42e0b046 (patch)
treed5c8f24075313edfe548256dd931527f1569921e /drivers/net/wireless/iwlwifi/iwl-hcmd.c
parent415b3334a21aa67806c52d1acf4e72e14f7f402f (diff)
parent6e6e8c510a84fe3237ef02b954e58cca6a3f4b1a (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-hcmd.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-hcmd.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
deleted file mode 100644
index 6cff8c165ce9..000000000000
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/******************************************************************************
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2008 - 2011 Intel 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.GPL.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *****************************************************************************/
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <net/mac80211.h>
-
-#include "iwl-dev.h" /* FIXME: remove */
-#include "iwl-debug.h"
-#include "iwl-eeprom.h"
-#include "iwl-core.h"
-
-
-const char *get_cmd_string(u8 cmd)
-{
- switch (cmd) {
- IWL_CMD(REPLY_ALIVE);
- IWL_CMD(REPLY_ERROR);
- IWL_CMD(REPLY_RXON);
- IWL_CMD(REPLY_RXON_ASSOC);
- IWL_CMD(REPLY_QOS_PARAM);
- IWL_CMD(REPLY_RXON_TIMING);
- IWL_CMD(REPLY_ADD_STA);
- IWL_CMD(REPLY_REMOVE_STA);
- IWL_CMD(REPLY_REMOVE_ALL_STA);
- IWL_CMD(REPLY_TXFIFO_FLUSH);
- IWL_CMD(REPLY_WEPKEY);
- IWL_CMD(REPLY_TX);
- IWL_CMD(REPLY_LEDS_CMD);
- IWL_CMD(REPLY_TX_LINK_QUALITY_CMD);
- IWL_CMD(COEX_PRIORITY_TABLE_CMD);
- IWL_CMD(COEX_MEDIUM_NOTIFICATION);
- IWL_CMD(COEX_EVENT_CMD);
- IWL_CMD(REPLY_QUIET_CMD);
- IWL_CMD(REPLY_CHANNEL_SWITCH);
- IWL_CMD(CHANNEL_SWITCH_NOTIFICATION);
- IWL_CMD(REPLY_SPECTRUM_MEASUREMENT_CMD);
- IWL_CMD(SPECTRUM_MEASURE_NOTIFICATION);
- IWL_CMD(POWER_TABLE_CMD);
- IWL_CMD(PM_SLEEP_NOTIFICATION);
- IWL_CMD(PM_DEBUG_STATISTIC_NOTIFIC);
- IWL_CMD(REPLY_SCAN_CMD);
- IWL_CMD(REPLY_SCAN_ABORT_CMD);
- IWL_CMD(SCAN_START_NOTIFICATION);
- IWL_CMD(SCAN_RESULTS_NOTIFICATION);
- IWL_CMD(SCAN_COMPLETE_NOTIFICATION);
- IWL_CMD(BEACON_NOTIFICATION);
- IWL_CMD(REPLY_TX_BEACON);
- IWL_CMD(WHO_IS_AWAKE_NOTIFICATION);
- IWL_CMD(QUIET_NOTIFICATION);
- IWL_CMD(REPLY_TX_PWR_TABLE_CMD);
- IWL_CMD(MEASURE_ABORT_NOTIFICATION);
- IWL_CMD(REPLY_BT_CONFIG);
- IWL_CMD(REPLY_STATISTICS_CMD);
- IWL_CMD(STATISTICS_NOTIFICATION);
- IWL_CMD(REPLY_CARD_STATE_CMD);
- IWL_CMD(CARD_STATE_NOTIFICATION);
- IWL_CMD(MISSED_BEACONS_NOTIFICATION);
- IWL_CMD(REPLY_CT_KILL_CONFIG_CMD);
- IWL_CMD(SENSITIVITY_CMD);
- IWL_CMD(REPLY_PHY_CALIBRATION_CMD);
- IWL_CMD(REPLY_RX_PHY_CMD);
- IWL_CMD(REPLY_RX_MPDU_CMD);
- IWL_CMD(REPLY_RX);
- IWL_CMD(REPLY_COMPRESSED_BA);
- IWL_CMD(CALIBRATION_CFG_CMD);
- IWL_CMD(CALIBRATION_RES_NOTIFICATION);
- IWL_CMD(CALIBRATION_COMPLETE_NOTIFICATION);
- IWL_CMD(REPLY_TX_POWER_DBM_CMD);
- IWL_CMD(TEMPERATURE_NOTIFICATION);
- IWL_CMD(TX_ANT_CONFIGURATION_CMD);
- IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF);
- IWL_CMD(REPLY_BT_COEX_PRIO_TABLE);
- IWL_CMD(REPLY_BT_COEX_PROT_ENV);
- IWL_CMD(REPLY_WIPAN_PARAMS);
- IWL_CMD(REPLY_WIPAN_RXON);
- IWL_CMD(REPLY_WIPAN_RXON_TIMING);
- IWL_CMD(REPLY_WIPAN_RXON_ASSOC);
- IWL_CMD(REPLY_WIPAN_QOS_PARAM);
- IWL_CMD(REPLY_WIPAN_WEPKEY);
- IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH);
- IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION);
- IWL_CMD(REPLY_WIPAN_DEACTIVATION_COMPLETE);
- default:
- return "UNKNOWN";
-
- }
-}
-
-#define HOST_COMPLETE_TIMEOUT (2 * HZ)
-
-static void iwl_generic_cmd_callback(struct iwl_priv *priv,
- struct iwl_device_cmd *cmd,
- struct iwl_rx_packet *pkt)
-{
- if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
- IWL_ERR(priv, "Bad return from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- return;
- }
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- switch (cmd->hdr.cmd) {
- case REPLY_TX_LINK_QUALITY_CMD:
- case SENSITIVITY_CMD:
- IWL_DEBUG_HC_DUMP(priv, "back from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- break;
- default:
- IWL_DEBUG_HC(priv, "back from %s (0x%08X)\n",
- get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags);
- }
-#endif
-}
-
-static int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
-{
- int ret;
-
- /* An asynchronous command can not expect an SKB to be set. */
- if (WARN_ON(cmd->flags & CMD_WANT_SKB))
- return -EINVAL;
-
- /* Assign a generic callback if one is not provided */
- if (!cmd->callback)
- cmd->callback = iwl_generic_cmd_callback;
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return -EBUSY;
-
- ret = iwl_enqueue_hcmd(priv, cmd);
- if (ret < 0) {
- IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n",
- get_cmd_string(cmd->id), ret);
- return ret;
- }
- return 0;
-}
-
-static int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
-{
- int cmd_idx;
- int ret;
-
- lockdep_assert_held(&priv->mutex);
-
- /* A synchronous command can not have a callback set. */
- if (WARN_ON(cmd->callback))
- return -EINVAL;
-
- IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n",
- get_cmd_string(cmd->id));
-
- set_bit(STATUS_HCMD_ACTIVE, &priv->status);
- IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n",
- get_cmd_string(cmd->id));
-
- cmd_idx = iwl_enqueue_hcmd(priv, cmd);
- if (cmd_idx < 0) {
- ret = cmd_idx;
- clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
- IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n",
- get_cmd_string(cmd->id), ret);
- return ret;
- }
-
- ret = wait_event_interruptible_timeout(priv->wait_command_queue,
- !test_bit(STATUS_HCMD_ACTIVE, &priv->status),
- HOST_COMPLETE_TIMEOUT);
- if (!ret) {
- if (test_bit(STATUS_HCMD_ACTIVE, &priv->status)) {
- IWL_ERR(priv,
- "Error sending %s: time out after %dms.\n",
- get_cmd_string(cmd->id),
- jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
-
- clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
- IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s\n",
- get_cmd_string(cmd->id));
- ret = -ETIMEDOUT;
- goto cancel;
- }
- }
-
- if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
- IWL_ERR(priv, "Command %s aborted: RF KILL Switch\n",
- get_cmd_string(cmd->id));
- ret = -ECANCELED;
- goto fail;
- }
- if (test_bit(STATUS_FW_ERROR, &priv->status)) {
- IWL_ERR(priv, "Command %s failed: FW Error\n",
- get_cmd_string(cmd->id));
- ret = -EIO;
- goto fail;
- }
- if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) {
- IWL_ERR(priv, "Error: Response NULL in '%s'\n",
- get_cmd_string(cmd->id));
- ret = -EIO;
- goto cancel;
- }
-
- return 0;
-
-cancel:
- if (cmd->flags & CMD_WANT_SKB) {
- /*
- * Cancel the CMD_WANT_SKB flag for the cmd in the
- * TX cmd queue. Otherwise in case the cmd comes
- * in later, it will possibly set an invalid
- * address (cmd->meta.source).
- */
- priv->txq[priv->cmd_queue].meta[cmd_idx].flags &=
- ~CMD_WANT_SKB;
- }
-fail:
- if (cmd->reply_page) {
- iwl_free_pages(priv, cmd->reply_page);
- cmd->reply_page = 0;
- }
-
- return ret;
-}
-
-int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
-{
- if (cmd->flags & CMD_ASYNC)
- return iwl_send_cmd_async(priv, cmd);
-
- return iwl_send_cmd_sync(priv, cmd);
-}
-
-int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u32 flags, u16 len,
- const void *data)
-{
- struct iwl_host_cmd cmd = {
- .id = id,
- .len = { len, },
- .data = { data, },
- .flags = flags,
- };
-
- return iwl_send_cmd(priv, &cmd);
-}