mirror of https://gitee.com/openkylin/linux.git
iwlegacy: merge iwl-4965-{tx,rx}.c into 4965-mac.c
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
This commit is contained in:
Stanislaw Gruszka
parent
eb3cdfb72d
commit
a1751b22a8
File diff suppressed because it is too large
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@ -9,8 +9,7 @@ iwl-legacy-objs += $(iwl-legacy-m)
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# 4965
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obj-$(CONFIG_IWL4965) += iwl4965.o
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iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o
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iwl4965-objs += iwl-4965-tx.o
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iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o
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iwl4965-objs += iwl-4965-lib.o iwl-4965-calib.o
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iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o
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# 3945
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@ -1,215 +0,0 @@
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/******************************************************************************
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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#include "iwl-dev.h"
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#include "iwl-core.h"
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#include "iwl-4965-calib.h"
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#include "iwl-sta.h"
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#include "iwl-io.h"
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#include "iwl-helpers.h"
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#include "iwl-4965-hw.h"
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#include "iwl-4965.h"
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void il4965_rx_missed_beacon_notif(struct il_priv *il,
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struct il_rx_buf *rxb)
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{
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struct il_rx_pkt *pkt = rxb_addr(rxb);
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struct il_missed_beacon_notif *missed_beacon;
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missed_beacon = &pkt->u.missed_beacon;
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if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) >
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il->missed_beacon_threshold) {
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D_CALIB(
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"missed bcn cnsq %d totl %d rcd %d expctd %d\n",
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le32_to_cpu(missed_beacon->consecutive_missed_beacons),
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le32_to_cpu(missed_beacon->total_missed_becons),
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le32_to_cpu(missed_beacon->num_recvd_beacons),
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le32_to_cpu(missed_beacon->num_expected_beacons));
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if (!test_bit(STATUS_SCANNING, &il->status))
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il4965_init_sensitivity(il);
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}
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}
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/* Calculate noise level, based on measurements during network silence just
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* before arriving beacon. This measurement can be done only if we know
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* exactly when to expect beacons, therefore only when we're associated. */
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static void il4965_rx_calc_noise(struct il_priv *il)
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{
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struct stats_rx_non_phy *rx_info;
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int num_active_rx = 0;
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int total_silence = 0;
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int bcn_silence_a, bcn_silence_b, bcn_silence_c;
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int last_rx_noise;
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rx_info = &(il->_4965.stats.rx.general);
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bcn_silence_a =
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le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER;
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bcn_silence_b =
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le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER;
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bcn_silence_c =
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le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER;
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if (bcn_silence_a) {
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total_silence += bcn_silence_a;
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num_active_rx++;
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}
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if (bcn_silence_b) {
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total_silence += bcn_silence_b;
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num_active_rx++;
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}
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if (bcn_silence_c) {
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total_silence += bcn_silence_c;
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num_active_rx++;
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}
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/* Average among active antennas */
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if (num_active_rx)
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last_rx_noise = (total_silence / num_active_rx) - 107;
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else
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last_rx_noise = IL_NOISE_MEAS_NOT_AVAILABLE;
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D_CALIB("inband silence a %u, b %u, c %u, dBm %d\n",
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bcn_silence_a, bcn_silence_b, bcn_silence_c,
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last_rx_noise);
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}
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#ifdef CONFIG_IWLEGACY_DEBUGFS
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/*
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* based on the assumption of all stats counter are in DWORD
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* FIXME: This function is for debugging, do not deal with
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* the case of counters roll-over.
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*/
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static void il4965_accumulative_stats(struct il_priv *il,
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__le32 *stats)
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{
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int i, size;
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__le32 *prev_stats;
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u32 *accum_stats;
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u32 *delta, *max_delta;
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struct stats_general_common *general, *accum_general;
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struct stats_tx *tx, *accum_tx;
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prev_stats = (__le32 *)&il->_4965.stats;
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accum_stats = (u32 *)&il->_4965.accum_stats;
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size = sizeof(struct il_notif_stats);
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general = &il->_4965.stats.general.common;
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accum_general = &il->_4965.accum_stats.general.common;
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tx = &il->_4965.stats.tx;
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accum_tx = &il->_4965.accum_stats.tx;
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delta = (u32 *)&il->_4965.delta_stats;
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max_delta = (u32 *)&il->_4965.max_delta;
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for (i = sizeof(__le32); i < size;
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i += sizeof(__le32), stats++, prev_stats++, delta++,
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max_delta++, accum_stats++) {
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if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) {
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*delta = (le32_to_cpu(*stats) -
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le32_to_cpu(*prev_stats));
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*accum_stats += *delta;
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if (*delta > *max_delta)
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*max_delta = *delta;
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}
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}
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/* reset accumulative stats for "no-counter" type stats */
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accum_general->temperature = general->temperature;
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accum_general->ttl_timestamp = general->ttl_timestamp;
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}
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#endif
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#define REG_RECALIB_PERIOD (60)
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void il4965_rx_stats(struct il_priv *il,
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struct il_rx_buf *rxb)
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{
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int change;
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struct il_rx_pkt *pkt = rxb_addr(rxb);
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D_RX(
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"Statistics notification received (%d vs %d).\n",
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(int)sizeof(struct il_notif_stats),
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le32_to_cpu(pkt->len_n_flags) &
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FH_RSCSR_FRAME_SIZE_MSK);
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change = ((il->_4965.stats.general.common.temperature !=
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pkt->u.stats.general.common.temperature) ||
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((il->_4965.stats.flag &
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STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
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(pkt->u.stats.flag &
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STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
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#ifdef CONFIG_IWLEGACY_DEBUGFS
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il4965_accumulative_stats(il, (__le32 *)&pkt->u.stats);
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#endif
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/* TODO: reading some of stats is unneeded */
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memcpy(&il->_4965.stats, &pkt->u.stats,
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sizeof(il->_4965.stats));
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set_bit(STATUS_STATISTICS, &il->status);
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/* Reschedule the stats timer to occur in
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* REG_RECALIB_PERIOD seconds to ensure we get a
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* thermal update even if the uCode doesn't give
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* us one */
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mod_timer(&il->stats_periodic, jiffies +
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msecs_to_jiffies(REG_RECALIB_PERIOD * 1000));
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if (unlikely(!test_bit(STATUS_SCANNING, &il->status)) &&
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(pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
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il4965_rx_calc_noise(il);
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queue_work(il->workqueue, &il->run_time_calib_work);
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}
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if (il->cfg->ops->lib->temp_ops.temperature && change)
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il->cfg->ops->lib->temp_ops.temperature(il);
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}
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void il4965_reply_stats(struct il_priv *il,
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struct il_rx_buf *rxb)
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{
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struct il_rx_pkt *pkt = rxb_addr(rxb);
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if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
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#ifdef CONFIG_IWLEGACY_DEBUGFS
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memset(&il->_4965.accum_stats, 0,
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sizeof(struct il_notif_stats));
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memset(&il->_4965.delta_stats, 0,
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sizeof(struct il_notif_stats));
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memset(&il->_4965.max_delta, 0,
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sizeof(struct il_notif_stats));
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#endif
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D_RX("Statistics have been cleared\n");
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}
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il4965_rx_stats(il, rxb);
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}
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