iwlegacy: merge iwl-4965-{tx,rx}.c into 4965-mac.c

Signed-off-by: NStanislaw Gruszka <sgruszka@redhat.com>

drivers/net/wireless/iwlegacy/Makefile

@@ -9,8 +9,7 @@ iwl-legacy-objs += $(iwl-legacy-m)
 # 4965
 obj-$(CONFIG_IWL4965)	+= iwl4965.o
 iwl4965-objs		:= 4965.o 4965-mac.o iwl-4965-rs.o
-iwl4965-objs		+= iwl-4965-tx.o
-iwl4965-objs		+= iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o
+iwl4965-objs		+= iwl-4965-lib.o iwl-4965-calib.o
 iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o
 
 # 3945

drivers/net/wireless/iwlegacy/iwl-4965-rx.c

-/******************************************************************************
- *
- * 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/init.h>
-#include <linux/sched.h>
-
-#include "iwl-dev.h"
-#include "iwl-core.h"
-#include "iwl-4965-calib.h"
-#include "iwl-sta.h"
-#include "iwl-io.h"
-#include "iwl-helpers.h"
-#include "iwl-4965-hw.h"
-#include "iwl-4965.h"
-
-void il4965_rx_missed_beacon_notif(struct il_priv *il,
-				struct il_rx_buf *rxb)
-
-{
-	struct il_rx_pkt *pkt = rxb_addr(rxb);
-	struct il_missed_beacon_notif *missed_beacon;
-
-	missed_beacon = &pkt->u.missed_beacon;
-	if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) >
-	    il->missed_beacon_threshold) {
-		D_CALIB(
-		    "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, &il->status))
-			il4965_init_sensitivity(il);
-	}
-}
-
-/* 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 il4965_rx_calc_noise(struct il_priv *il)
-{
-	struct stats_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;
-
-	rx_info = &(il->_4965.stats.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 = IL_NOISE_MEAS_NOT_AVAILABLE;
-
-	D_CALIB("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_IWLEGACY_DEBUGFS
-/*
- *  based on the assumption of all stats counter are in DWORD
- *  FIXME: This function is for debugging, do not deal with
- *  the case of counters roll-over.
- */
-static void il4965_accumulative_stats(struct il_priv *il,
-					__le32 *stats)
-{
-	int i, size;
-	__le32 *prev_stats;
-	u32 *accum_stats;
-	u32 *delta, *max_delta;
-	struct stats_general_common *general, *accum_general;
-	struct stats_tx *tx, *accum_tx;
-
-	prev_stats = (__le32 *)&il->_4965.stats;
-	accum_stats = (u32 *)&il->_4965.accum_stats;
-	size = sizeof(struct il_notif_stats);
-	general = &il->_4965.stats.general.common;
-	accum_general = &il->_4965.accum_stats.general.common;
-	tx = &il->_4965.stats.tx;
-	accum_tx = &il->_4965.accum_stats.tx;
-	delta = (u32 *)&il->_4965.delta_stats;
-	max_delta = (u32 *)&il->_4965.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 stats for "no-counter" type stats */
-	accum_general->temperature = general->temperature;
-	accum_general->ttl_timestamp = general->ttl_timestamp;
-}
-#endif
-
-#define REG_RECALIB_PERIOD (60)
-
-void il4965_rx_stats(struct il_priv *il,
-			      struct il_rx_buf *rxb)
-{
-	int change;
-	struct il_rx_pkt *pkt = rxb_addr(rxb);
-
-	D_RX(
-		     "Statistics notification received (%d vs %d).\n",
-		     (int)sizeof(struct il_notif_stats),
-		     le32_to_cpu(pkt->len_n_flags) &
-		     FH_RSCSR_FRAME_SIZE_MSK);
-
-	change = ((il->_4965.stats.general.common.temperature !=
-		   pkt->u.stats.general.common.temperature) ||
-		   ((il->_4965.stats.flag &
-		   STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
-		   (pkt->u.stats.flag &
-		   STATISTICS_REPLY_FLG_HT40_MODE_MSK)));
-#ifdef CONFIG_IWLEGACY_DEBUGFS
-	il4965_accumulative_stats(il, (__le32 *)&pkt->u.stats);
-#endif
-
-	/* TODO: reading some of stats is unneeded */
-	memcpy(&il->_4965.stats, &pkt->u.stats,
-		sizeof(il->_4965.stats));
-
-	set_bit(STATUS_STATISTICS, &il->status);
-
-	/* Reschedule the stats 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(&il->stats_periodic, jiffies +
-		  msecs_to_jiffies(REG_RECALIB_PERIOD * 1000));
-
-	if (unlikely(!test_bit(STATUS_SCANNING, &il->status)) &&
-	    (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) {
-		il4965_rx_calc_noise(il);
-		queue_work(il->workqueue, &il->run_time_calib_work);
-	}
-	if (il->cfg->ops->lib->temp_ops.temperature && change)
-		il->cfg->ops->lib->temp_ops.temperature(il);
-}
-
-void il4965_reply_stats(struct il_priv *il,
-			      struct il_rx_buf *rxb)
-{
-	struct il_rx_pkt *pkt = rxb_addr(rxb);
-
-	if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLEGACY_DEBUGFS
-		memset(&il->_4965.accum_stats, 0,
-			sizeof(struct il_notif_stats));
-		memset(&il->_4965.delta_stats, 0,
-			sizeof(struct il_notif_stats));
-		memset(&il->_4965.max_delta, 0,
-			sizeof(struct il_notif_stats));
-#endif
-		D_RX("Statistics have been cleared\n");
-	}
-	il4965_rx_stats(il, rxb);
-}