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authorStanislaw Gruszka <sgruszka@redhat.com>2011-02-28 14:33:17 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-28 20:11:36 +0100
commit67289941d80f18fd8239e350e015a4b84878412b (patch)
treeacc5e98bfdc1f1fcf19ac0bc7698fa6f581cc5a6 /drivers/net/wireless/iwlwifi/iwl-agn-rx.c
parentiwlwifi: move check health code into iwl-rx.c (diff)
downloadlinux-67289941d80f18fd8239e350e015a4b84878412b.tar.xz
linux-67289941d80f18fd8239e350e015a4b84878412b.zip
iwlwifi: move remaining iwl-agn-rx.c code into iwl-rx.c
There is no need to have separate iwl-agn-rx.c file after iwlegacy split. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rx.c264
1 files changed, 0 insertions, 264 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
deleted file mode 100644
index 7a89a55ec316..000000000000
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/******************************************************************************
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2008 - 2010 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/init.h>
-#include <linux/sched.h>
-
-#include "iwl-dev.h"
-#include "iwl-core.h"
-#include "iwl-agn-calib.h"
-#include "iwl-sta.h"
-#include "iwl-io.h"
-#include "iwl-helpers.h"
-#include "iwl-agn-hw.h"
-#include "iwl-agn.h"
-
-void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_missed_beacon_notif *missed_beacon;
-
- missed_beacon = &pkt->u.missed_beacon;
- if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) >
- priv->missed_beacon_threshold) {
- IWL_DEBUG_CALIB(priv,
- "missed bcn cnsq %d totl %d rcd %d expctd %d\n",
- le32_to_cpu(missed_beacon->consecutive_missed_beacons),
- le32_to_cpu(missed_beacon->total_missed_becons),
- le32_to_cpu(missed_beacon->num_recvd_beacons),
- le32_to_cpu(missed_beacon->num_expected_beacons));
- if (!test_bit(STATUS_SCANNING, &priv->status))
- iwl_init_sensitivity(priv);
- }
-}
-
-/* Calculate noise level, based on measurements during network silence just
- * before arriving beacon. This measurement can be done only if we know
- * exactly when to expect beacons, therefore only when we're associated. */
-static void iwl_rx_calc_noise(struct iwl_priv *priv)
-{
- struct statistics_rx_non_phy *rx_info;
- int num_active_rx = 0;
- int total_silence = 0;
- int bcn_silence_a, bcn_silence_b, bcn_silence_c;
- int last_rx_noise;
-
- if (iwl_bt_statistics(priv))
- rx_info = &(priv->_agn.statistics_bt.rx.general.common);
- else
- rx_info = &(priv->_agn.statistics.rx.general);
- bcn_silence_a =
- le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER;
- bcn_silence_b =
- le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER;
- bcn_silence_c =
- le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER;
-
- if (bcn_silence_a) {
- total_silence += bcn_silence_a;
- num_active_rx++;
- }
- if (bcn_silence_b) {
- total_silence += bcn_silence_b;
- num_active_rx++;
- }
- if (bcn_silence_c) {
- total_silence += bcn_silence_c;
- num_active_rx++;
- }
-
- /* Average among active antennas */
- if (num_active_rx)
- last_rx_noise = (total_silence / num_active_rx) - 107;
- else
- last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE;
-
- IWL_DEBUG_CALIB(priv, "inband silence a %u, b %u, c %u, dBm %d\n",
- bcn_silence_a, bcn_silence_b, bcn_silence_c,
- last_rx_noise);
-}
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
-/*
- * based on the assumption of all statistics counter are in DWORD
- * FIXME: This function is for debugging, do not deal with
- * the case of counters roll-over.
- */
-static void iwl_accumulative_statistics(struct iwl_priv *priv,
- __le32 *stats)
-{
- int i, size;
- __le32 *prev_stats;
- u32 *accum_stats;
- u32 *delta, *max_delta;
- struct statistics_general_common *general, *accum_general;
- struct statistics_tx *tx, *accum_tx;
-
- if (iwl_bt_statistics(priv)) {
- prev_stats = (__le32 *)&priv->_agn.statistics_bt;
- accum_stats = (u32 *)&priv->_agn.accum_statistics_bt;
- size = sizeof(struct iwl_bt_notif_statistics);
- general = &priv->_agn.statistics_bt.general.common;
- accum_general = &priv->_agn.accum_statistics_bt.general.common;
- tx = &priv->_agn.statistics_bt.tx;
- accum_tx = &priv->_agn.accum_statistics_bt.tx;
- delta = (u32 *)&priv->_agn.delta_statistics_bt;
- max_delta = (u32 *)&priv->_agn.max_delta_bt;
- } else {
- prev_stats = (__le32 *)&priv->_agn.statistics;
- accum_stats = (u32 *)&priv->_agn.accum_statistics;
- size = sizeof(struct iwl_notif_statistics);
- general = &priv->_agn.statistics.general.common;
- accum_general = &priv->_agn.accum_statistics.general.common;
- tx = &priv->_agn.statistics.tx;
- accum_tx = &priv->_agn.accum_statistics.tx;
- delta = (u32 *)&priv->_agn.delta_statistics;
- max_delta = (u32 *)&priv->_agn.max_delta;
- }
- for (i = sizeof(__le32); i < size;
- i += sizeof(__le32), stats++, prev_stats++, delta++,
- max_delta++, accum_stats++) {
- if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) {
- *delta = (le32_to_cpu(*stats) -
- le32_to_cpu(*prev_stats));
- *accum_stats += *delta;
- if (*delta > *max_delta)
- *max_delta = *delta;
- }
- }
-
- /* reset accumulative statistics for "no-counter" type statistics */
- accum_general->temperature = general->temperature;
- accum_general->temperature_m = general->temperature_m;
- accum_general->ttl_timestamp = general->ttl_timestamp;
- accum_tx->tx_power.ant_a = tx->tx_power.ant_a;
- accum_tx->tx_power.ant_b = tx->tx_power.ant_b;
- accum_tx->tx_power.ant_c = tx->tx_power.ant_c;
-}
-#endif
-
-#define REG_RECALIB_PERIOD (60)
-
-void iwl_rx_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- int change;
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
-
- if (iwl_bt_statistics(priv)) {
- IWL_DEBUG_RX(priv,
- "Statistics notification received (%d vs %d).\n",
- (int)sizeof(struct iwl_bt_notif_statistics),
- le32_to_cpu(pkt->len_n_flags) &
- FH_RSCSR_FRAME_SIZE_MSK);
-
- change = ((priv->_agn.statistics_bt.general.common.temperature !=
- pkt->u.stats_bt.general.common.temperature) ||
- ((priv->_agn.statistics_bt.flag &
- STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
- (pkt->u.stats_bt.flag &
- STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats_bt);
-#endif
-
- } else {
- IWL_DEBUG_RX(priv,
- "Statistics notification received (%d vs %d).\n",
- (int)sizeof(struct iwl_notif_statistics),
- le32_to_cpu(pkt->len_n_flags) &
- FH_RSCSR_FRAME_SIZE_MSK);
-
- change = ((priv->_agn.statistics.general.common.temperature !=
- pkt->u.stats.general.common.temperature) ||
- ((priv->_agn.statistics.flag &
- STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
- (pkt->u.stats.flag &
- STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats);
-#endif
-
- }
-
- iwl_recover_from_statistics(priv, pkt);
-
- if (iwl_bt_statistics(priv))
- memcpy(&priv->_agn.statistics_bt, &pkt->u.stats_bt,
- sizeof(priv->_agn.statistics_bt));
- else
- memcpy(&priv->_agn.statistics, &pkt->u.stats,
- sizeof(priv->_agn.statistics));
-
- set_bit(STATUS_STATISTICS, &priv->status);
-
- /* Reschedule the statistics timer to occur in
- * REG_RECALIB_PERIOD seconds to ensure we get a
- * thermal update even if the uCode doesn't give
- * us one */
- mod_timer(&priv->statistics_periodic, jiffies +
- msecs_to_jiffies(REG_RECALIB_PERIOD * 1000));
-
- if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) &&
- (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
- iwl_rx_calc_noise(priv);
- queue_work(priv->workqueue, &priv->run_time_calib_work);
- }
- if (priv->cfg->ops->lib->temp_ops.temperature && change)
- priv->cfg->ops->lib->temp_ops.temperature(priv);
-}
-
-void iwl_reply_statistics(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
-
- if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- memset(&priv->_agn.accum_statistics, 0,
- sizeof(struct iwl_notif_statistics));
- memset(&priv->_agn.delta_statistics, 0,
- sizeof(struct iwl_notif_statistics));
- memset(&priv->_agn.max_delta, 0,
- sizeof(struct iwl_notif_statistics));
- memset(&priv->_agn.accum_statistics_bt, 0,
- sizeof(struct iwl_bt_notif_statistics));
- memset(&priv->_agn.delta_statistics_bt, 0,
- sizeof(struct iwl_bt_notif_statistics));
- memset(&priv->_agn.max_delta_bt, 0,
- sizeof(struct iwl_bt_notif_statistics));
-#endif
- IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
- }
- iwl_rx_statistics(priv, rxb);
-}