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>
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index feee761..566e2d9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -37,6 +37,7 @@
#include "iwl-sta.h"
#include "iwl-io.h"
#include "iwl-helpers.h"
+#include "iwl-agn-calib.h"
/************************** RX-FUNCTIONS ****************************/
/*
* Rx theory of operation
@@ -210,7 +211,6 @@
return -ENOMEM;
}
-
void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
@@ -378,7 +378,7 @@
return rc;
}
-void iwl_recover_from_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pkt)
+static void iwl_recover_from_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pkt)
{
const struct iwl_mod_params *mod_params = priv->cfg->mod_params;
@@ -396,6 +396,228 @@
iwl_force_reset(priv, IWL_RF_RESET, false);
}
+/* 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);
+}
+
+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);
+ }
+}
+
/*
* returns non-zero if packet should be dropped
*/