+++ /dev/null
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
- *
- * Portions of this file are derived from the ipw3945 project, as well
- * as portionhelp of the ieee80211 subsystem header files.
- *
- * 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.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-
-#include <linux/etherdevice.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <net/mac80211.h>
-#include <asm/unaligned.h>
-#include "iwl-io.h"
-#include "dev.h"
-#include "calib.h"
-#include "agn.h"
-
-#define IWL_CMD_ENTRY(x) [x] = #x
-
-const char *const iwl_dvm_cmd_strings[REPLY_MAX + 1] = {
- IWL_CMD_ENTRY(REPLY_ALIVE),
- IWL_CMD_ENTRY(REPLY_ERROR),
- IWL_CMD_ENTRY(REPLY_ECHO),
- IWL_CMD_ENTRY(REPLY_RXON),
- IWL_CMD_ENTRY(REPLY_RXON_ASSOC),
- IWL_CMD_ENTRY(REPLY_QOS_PARAM),
- IWL_CMD_ENTRY(REPLY_RXON_TIMING),
- IWL_CMD_ENTRY(REPLY_ADD_STA),
- IWL_CMD_ENTRY(REPLY_REMOVE_STA),
- IWL_CMD_ENTRY(REPLY_REMOVE_ALL_STA),
- IWL_CMD_ENTRY(REPLY_TXFIFO_FLUSH),
- IWL_CMD_ENTRY(REPLY_WEPKEY),
- IWL_CMD_ENTRY(REPLY_TX),
- IWL_CMD_ENTRY(REPLY_LEDS_CMD),
- IWL_CMD_ENTRY(REPLY_TX_LINK_QUALITY_CMD),
- IWL_CMD_ENTRY(COEX_PRIORITY_TABLE_CMD),
- IWL_CMD_ENTRY(COEX_MEDIUM_NOTIFICATION),
- IWL_CMD_ENTRY(COEX_EVENT_CMD),
- IWL_CMD_ENTRY(REPLY_QUIET_CMD),
- IWL_CMD_ENTRY(REPLY_CHANNEL_SWITCH),
- IWL_CMD_ENTRY(CHANNEL_SWITCH_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_SPECTRUM_MEASUREMENT_CMD),
- IWL_CMD_ENTRY(SPECTRUM_MEASURE_NOTIFICATION),
- IWL_CMD_ENTRY(POWER_TABLE_CMD),
- IWL_CMD_ENTRY(PM_SLEEP_NOTIFICATION),
- IWL_CMD_ENTRY(PM_DEBUG_STATISTIC_NOTIFIC),
- IWL_CMD_ENTRY(REPLY_SCAN_CMD),
- IWL_CMD_ENTRY(REPLY_SCAN_ABORT_CMD),
- IWL_CMD_ENTRY(SCAN_START_NOTIFICATION),
- IWL_CMD_ENTRY(SCAN_RESULTS_NOTIFICATION),
- IWL_CMD_ENTRY(SCAN_COMPLETE_NOTIFICATION),
- IWL_CMD_ENTRY(BEACON_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_TX_BEACON),
- IWL_CMD_ENTRY(WHO_IS_AWAKE_NOTIFICATION),
- IWL_CMD_ENTRY(QUIET_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_TX_PWR_TABLE_CMD),
- IWL_CMD_ENTRY(MEASURE_ABORT_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_BT_CONFIG),
- IWL_CMD_ENTRY(REPLY_STATISTICS_CMD),
- IWL_CMD_ENTRY(STATISTICS_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_CARD_STATE_CMD),
- IWL_CMD_ENTRY(CARD_STATE_NOTIFICATION),
- IWL_CMD_ENTRY(MISSED_BEACONS_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_CT_KILL_CONFIG_CMD),
- IWL_CMD_ENTRY(SENSITIVITY_CMD),
- IWL_CMD_ENTRY(REPLY_PHY_CALIBRATION_CMD),
- IWL_CMD_ENTRY(REPLY_RX_PHY_CMD),
- IWL_CMD_ENTRY(REPLY_RX_MPDU_CMD),
- IWL_CMD_ENTRY(REPLY_COMPRESSED_BA),
- IWL_CMD_ENTRY(CALIBRATION_CFG_CMD),
- IWL_CMD_ENTRY(CALIBRATION_RES_NOTIFICATION),
- IWL_CMD_ENTRY(CALIBRATION_COMPLETE_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_TX_POWER_DBM_CMD),
- IWL_CMD_ENTRY(TEMPERATURE_NOTIFICATION),
- IWL_CMD_ENTRY(TX_ANT_CONFIGURATION_CMD),
- IWL_CMD_ENTRY(REPLY_BT_COEX_PROFILE_NOTIF),
- IWL_CMD_ENTRY(REPLY_BT_COEX_PRIO_TABLE),
- IWL_CMD_ENTRY(REPLY_BT_COEX_PROT_ENV),
- IWL_CMD_ENTRY(REPLY_WIPAN_PARAMS),
- IWL_CMD_ENTRY(REPLY_WIPAN_RXON),
- IWL_CMD_ENTRY(REPLY_WIPAN_RXON_TIMING),
- IWL_CMD_ENTRY(REPLY_WIPAN_RXON_ASSOC),
- IWL_CMD_ENTRY(REPLY_WIPAN_QOS_PARAM),
- IWL_CMD_ENTRY(REPLY_WIPAN_WEPKEY),
- IWL_CMD_ENTRY(REPLY_WIPAN_P2P_CHANNEL_SWITCH),
- IWL_CMD_ENTRY(REPLY_WIPAN_NOA_NOTIFICATION),
- IWL_CMD_ENTRY(REPLY_WIPAN_DEACTIVATION_COMPLETE),
- IWL_CMD_ENTRY(REPLY_WOWLAN_PATTERNS),
- IWL_CMD_ENTRY(REPLY_WOWLAN_WAKEUP_FILTER),
- IWL_CMD_ENTRY(REPLY_WOWLAN_TSC_RSC_PARAMS),
- IWL_CMD_ENTRY(REPLY_WOWLAN_TKIP_PARAMS),
- IWL_CMD_ENTRY(REPLY_WOWLAN_KEK_KCK_MATERIAL),
- IWL_CMD_ENTRY(REPLY_WOWLAN_GET_STATUS),
- IWL_CMD_ENTRY(REPLY_D3_CONFIG),
-};
-#undef IWL_CMD_ENTRY
-
-/******************************************************************************
- *
- * Generic RX handler implementations
- *
- ******************************************************************************/
-
-static void iwlagn_rx_reply_error(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_error_resp *err_resp = (void *)pkt->data;
-
- IWL_ERR(priv, "Error Reply type 0x%08X cmd REPLY_ERROR (0x%02X) "
- "seq 0x%04X ser 0x%08X\n",
- le32_to_cpu(err_resp->error_type),
- err_resp->cmd_id,
- le16_to_cpu(err_resp->bad_cmd_seq_num),
- le32_to_cpu(err_resp->error_info));
-}
-
-static void iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_csa_notification *csa = (void *)pkt->data;
- /*
- * MULTI-FIXME
- * See iwlagn_mac_channel_switch.
- */
- struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- struct iwl_rxon_cmd *rxon = (void *)&ctx->active;
-
- if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
- return;
-
- if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) {
- rxon->channel = csa->channel;
- ctx->staging.channel = csa->channel;
- IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
- le16_to_cpu(csa->channel));
- iwl_chswitch_done(priv, true);
- } else {
- IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
- le16_to_cpu(csa->channel));
- iwl_chswitch_done(priv, false);
- }
-}
-
-
-static void iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_spectrum_notification *report = (void *)pkt->data;
-
- if (!report->state) {
- IWL_DEBUG_11H(priv,
- "Spectrum Measure Notification: Start\n");
- return;
- }
-
- memcpy(&priv->measure_report, report, sizeof(*report));
- priv->measurement_status |= MEASUREMENT_READY;
-}
-
-static void iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
-#ifdef CONFIG_IWLWIFI_DEBUG
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_sleep_notification *sleep = (void *)pkt->data;
- IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
- sleep->pm_sleep_mode, sleep->pm_wakeup_src);
-#endif
-}
-
-static void iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- u32 __maybe_unused len = iwl_rx_packet_len(pkt);
- IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
- "notification for PM_DEBUG_STATISTIC_NOTIFIC:\n", len);
- iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->data, len);
-}
-
-static void iwlagn_rx_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwlagn_beacon_notif *beacon = (void *)pkt->data;
-#ifdef CONFIG_IWLWIFI_DEBUG
- u16 status = le16_to_cpu(beacon->beacon_notify_hdr.status.status);
- u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
-
- IWL_DEBUG_RX(priv, "beacon status %#x, retries:%d ibssmgr:%d "
- "tsf:0x%.8x%.8x rate:%d\n",
- status & TX_STATUS_MSK,
- beacon->beacon_notify_hdr.failure_frame,
- le32_to_cpu(beacon->ibss_mgr_status),
- le32_to_cpu(beacon->high_tsf),
- le32_to_cpu(beacon->low_tsf), rate);
-#endif
-
- priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
-}
-
-/**
- * iwl_good_plcp_health - checks for plcp error.
- *
- * When the plcp error is exceeding the thresholds, reset the radio
- * to improve the throughput.
- */
-static bool iwlagn_good_plcp_health(struct iwl_priv *priv,
- struct statistics_rx_phy *cur_ofdm,
- struct statistics_rx_ht_phy *cur_ofdm_ht,
- unsigned int msecs)
-{
- int delta;
- int threshold = priv->plcp_delta_threshold;
-
- if (threshold == IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) {
- IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n");
- return true;
- }
-
- delta = le32_to_cpu(cur_ofdm->plcp_err) -
- le32_to_cpu(priv->statistics.rx_ofdm.plcp_err) +
- le32_to_cpu(cur_ofdm_ht->plcp_err) -
- le32_to_cpu(priv->statistics.rx_ofdm_ht.plcp_err);
-
- /* Can be negative if firmware reset statistics */
- if (delta <= 0)
- return true;
-
- if ((delta * 100 / msecs) > threshold) {
- IWL_DEBUG_RADIO(priv,
- "plcp health threshold %u delta %d msecs %u\n",
- threshold, delta, msecs);
- return false;
- }
-
- return true;
-}
-
-int iwl_force_rf_reset(struct iwl_priv *priv, bool external)
-{
- struct iwl_rf_reset *rf_reset;
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return -EAGAIN;
-
- if (!iwl_is_any_associated(priv)) {
- IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n");
- return -ENOLINK;
- }
-
- rf_reset = &priv->rf_reset;
- rf_reset->reset_request_count++;
- if (!external && rf_reset->last_reset_jiffies &&
- time_after(rf_reset->last_reset_jiffies +
- IWL_DELAY_NEXT_FORCE_RF_RESET, jiffies)) {
- IWL_DEBUG_INFO(priv, "RF reset rejected\n");
- rf_reset->reset_reject_count++;
- return -EAGAIN;
- }
- rf_reset->reset_success_count++;
- rf_reset->last_reset_jiffies = jiffies;
-
- /*
- * There is no easy and better way to force reset the radio,
- * the only known method is switching channel which will force to
- * reset and tune the radio.
- * Use internal short scan (single channel) operation to should
- * achieve this objective.
- * Driver should reset the radio when number of consecutive missed
- * beacon, or any other uCode error condition detected.
- */
- IWL_DEBUG_INFO(priv, "perform radio reset.\n");
- iwl_internal_short_hw_scan(priv);
- return 0;
-}
-
-
-static void iwlagn_recover_from_statistics(struct iwl_priv *priv,
- struct statistics_rx_phy *cur_ofdm,
- struct statistics_rx_ht_phy *cur_ofdm_ht,
- struct statistics_tx *tx,
- unsigned long stamp)
-{
- unsigned int msecs;
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- msecs = jiffies_to_msecs(stamp - priv->rx_statistics_jiffies);
-
- /* Only gather statistics and update time stamp when not associated */
- if (!iwl_is_any_associated(priv))
- return;
-
- /* Do not check/recover when do not have enough statistics data */
- if (msecs < 99)
- return;
-
- if (!iwlagn_good_plcp_health(priv, cur_ofdm, cur_ofdm_ht, msecs))
- iwl_force_rf_reset(priv, 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 iwlagn_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;
-
- rx_info = &priv->statistics.rx_non_phy;
-
- 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 accum_stats(__le32 *prev, __le32 *cur, __le32 *delta,
- __le32 *max_delta, __le32 *accum, int size)
-{
- int i;
-
- for (i = 0;
- i < size / sizeof(__le32);
- i++, prev++, cur++, delta++, max_delta++, accum++) {
- if (le32_to_cpu(*cur) > le32_to_cpu(*prev)) {
- *delta = cpu_to_le32(
- le32_to_cpu(*cur) - le32_to_cpu(*prev));
- le32_add_cpu(accum, le32_to_cpu(*delta));
- if (le32_to_cpu(*delta) > le32_to_cpu(*max_delta))
- *max_delta = *delta;
- }
- }
-}
-
-static void
-iwlagn_accumulative_statistics(struct iwl_priv *priv,
- struct statistics_general_common *common,
- struct statistics_rx_non_phy *rx_non_phy,
- struct statistics_rx_phy *rx_ofdm,
- struct statistics_rx_ht_phy *rx_ofdm_ht,
- struct statistics_rx_phy *rx_cck,
- struct statistics_tx *tx,
- struct statistics_bt_activity *bt_activity)
-{
-#define ACCUM(_name) \
- accum_stats((__le32 *)&priv->statistics._name, \
- (__le32 *)_name, \
- (__le32 *)&priv->delta_stats._name, \
- (__le32 *)&priv->max_delta_stats._name, \
- (__le32 *)&priv->accum_stats._name, \
- sizeof(*_name));
-
- ACCUM(common);
- ACCUM(rx_non_phy);
- ACCUM(rx_ofdm);
- ACCUM(rx_ofdm_ht);
- ACCUM(rx_cck);
- ACCUM(tx);
- if (bt_activity)
- ACCUM(bt_activity);
-#undef ACCUM
-}
-#else
-static inline void
-iwlagn_accumulative_statistics(struct iwl_priv *priv,
- struct statistics_general_common *common,
- struct statistics_rx_non_phy *rx_non_phy,
- struct statistics_rx_phy *rx_ofdm,
- struct statistics_rx_ht_phy *rx_ofdm_ht,
- struct statistics_rx_phy *rx_cck,
- struct statistics_tx *tx,
- struct statistics_bt_activity *bt_activity)
-{
-}
-#endif
-
-static void iwlagn_rx_statistics(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- unsigned long stamp = jiffies;
- const int reg_recalib_period = 60;
- int change;
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- u32 len = iwl_rx_packet_payload_len(pkt);
- __le32 *flag;
- struct statistics_general_common *common;
- struct statistics_rx_non_phy *rx_non_phy;
- struct statistics_rx_phy *rx_ofdm;
- struct statistics_rx_ht_phy *rx_ofdm_ht;
- struct statistics_rx_phy *rx_cck;
- struct statistics_tx *tx;
- struct statistics_bt_activity *bt_activity;
-
- IWL_DEBUG_RX(priv, "Statistics notification received (%d bytes).\n",
- len);
-
- spin_lock(&priv->statistics.lock);
-
- if (len == sizeof(struct iwl_bt_notif_statistics)) {
- struct iwl_bt_notif_statistics *stats;
- stats = (void *)&pkt->data;
- flag = &stats->flag;
- common = &stats->general.common;
- rx_non_phy = &stats->rx.general.common;
- rx_ofdm = &stats->rx.ofdm;
- rx_ofdm_ht = &stats->rx.ofdm_ht;
- rx_cck = &stats->rx.cck;
- tx = &stats->tx;
- bt_activity = &stats->general.activity;
-
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- /* handle this exception directly */
- priv->statistics.num_bt_kills = stats->rx.general.num_bt_kills;
- le32_add_cpu(&priv->statistics.accum_num_bt_kills,
- le32_to_cpu(stats->rx.general.num_bt_kills));
-#endif
- } else if (len == sizeof(struct iwl_notif_statistics)) {
- struct iwl_notif_statistics *stats;
- stats = (void *)&pkt->data;
- flag = &stats->flag;
- common = &stats->general.common;
- rx_non_phy = &stats->rx.general;
- rx_ofdm = &stats->rx.ofdm;
- rx_ofdm_ht = &stats->rx.ofdm_ht;
- rx_cck = &stats->rx.cck;
- tx = &stats->tx;
- bt_activity = NULL;
- } else {
- WARN_ONCE(1, "len %d doesn't match BT (%zu) or normal (%zu)\n",
- len, sizeof(struct iwl_bt_notif_statistics),
- sizeof(struct iwl_notif_statistics));
- spin_unlock(&priv->statistics.lock);
- return;
- }
-
- change = common->temperature != priv->statistics.common.temperature ||
- (*flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK) !=
- (priv->statistics.flag & STATISTICS_REPLY_FLG_HT40_MODE_MSK);
-
- iwlagn_accumulative_statistics(priv, common, rx_non_phy, rx_ofdm,
- rx_ofdm_ht, rx_cck, tx, bt_activity);
-
- iwlagn_recover_from_statistics(priv, rx_ofdm, rx_ofdm_ht, tx, stamp);
-
- priv->statistics.flag = *flag;
- memcpy(&priv->statistics.common, common, sizeof(*common));
- memcpy(&priv->statistics.rx_non_phy, rx_non_phy, sizeof(*rx_non_phy));
- memcpy(&priv->statistics.rx_ofdm, rx_ofdm, sizeof(*rx_ofdm));
- memcpy(&priv->statistics.rx_ofdm_ht, rx_ofdm_ht, sizeof(*rx_ofdm_ht));
- memcpy(&priv->statistics.rx_cck, rx_cck, sizeof(*rx_cck));
- memcpy(&priv->statistics.tx, tx, sizeof(*tx));
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- if (bt_activity)
- memcpy(&priv->statistics.bt_activity, bt_activity,
- sizeof(*bt_activity));
-#endif
-
- priv->rx_statistics_jiffies = stamp;
-
- 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)) {
- iwlagn_rx_calc_noise(priv);
- queue_work(priv->workqueue, &priv->run_time_calib_work);
- }
- if (priv->lib->temperature && change)
- priv->lib->temperature(priv);
-
- spin_unlock(&priv->statistics.lock);
-}
-
-static void iwlagn_rx_reply_statistics(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_notif_statistics *stats = (void *)pkt->data;
-
- if (le32_to_cpu(stats->flag) & UCODE_STATISTICS_CLEAR_MSK) {
-#ifdef CONFIG_IWLWIFI_DEBUGFS
- memset(&priv->accum_stats, 0,
- sizeof(priv->accum_stats));
- memset(&priv->delta_stats, 0,
- sizeof(priv->delta_stats));
- memset(&priv->max_delta_stats, 0,
- sizeof(priv->max_delta_stats));
-#endif
- IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
- }
-
- iwlagn_rx_statistics(priv, rxb);
-}
-
-/* Handle notification from uCode that card's power state is changing
- * due to software, hardware, or critical temperature RFKILL */
-static void iwlagn_rx_card_state_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_card_state_notif *card_state_notif = (void *)pkt->data;
- u32 flags = le32_to_cpu(card_state_notif->flags);
- unsigned long status = priv->status;
-
- IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n",
- (flags & HW_CARD_DISABLED) ? "Kill" : "On",
- (flags & SW_CARD_DISABLED) ? "Kill" : "On",
- (flags & CT_CARD_DISABLED) ?
- "Reached" : "Not reached");
-
- if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED |
- CT_CARD_DISABLED)) {
-
- iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_SET,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
-
- iwl_write_direct32(priv->trans, HBUS_TARG_MBX_C,
- HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
-
- if (!(flags & RXON_CARD_DISABLED)) {
- iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED);
- iwl_write_direct32(priv->trans, HBUS_TARG_MBX_C,
- HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED);
- }
- if (flags & CT_CARD_DISABLED)
- iwl_tt_enter_ct_kill(priv);
- }
- if (!(flags & CT_CARD_DISABLED))
- iwl_tt_exit_ct_kill(priv);
-
- if (flags & HW_CARD_DISABLED)
- set_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
-
-
- if (!(flags & RXON_CARD_DISABLED))
- iwl_scan_cancel(priv);
-
- if ((test_bit(STATUS_RF_KILL_HW, &status) !=
- test_bit(STATUS_RF_KILL_HW, &priv->status)))
- wiphy_rfkill_set_hw_state(priv->hw->wiphy,
- test_bit(STATUS_RF_KILL_HW, &priv->status));
-}
-
-static void iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_missed_beacon_notif *missed_beacon = (void *)pkt->data;
-
- 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);
- }
-}
-
-/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
- * This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
-static void iwlagn_rx_reply_rx_phy(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
-
- priv->last_phy_res_valid = true;
- priv->ampdu_ref++;
- memcpy(&priv->last_phy_res, pkt->data,
- sizeof(struct iwl_rx_phy_res));
-}
-
-/*
- * returns non-zero if packet should be dropped
- */
-static int iwlagn_set_decrypted_flag(struct iwl_priv *priv,
- struct ieee80211_hdr *hdr,
- u32 decrypt_res,
- struct ieee80211_rx_status *stats)
-{
- u16 fc = le16_to_cpu(hdr->frame_control);
-
- /*
- * All contexts have the same setting here due to it being
- * a module parameter, so OK to check any context.
- */
- if (priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags &
- RXON_FILTER_DIS_DECRYPT_MSK)
- return 0;
-
- if (!(fc & IEEE80211_FCTL_PROTECTED))
- return 0;
-
- IWL_DEBUG_RX(priv, "decrypt_res:0x%x\n", decrypt_res);
- switch (decrypt_res & RX_RES_STATUS_SEC_TYPE_MSK) {
- case RX_RES_STATUS_SEC_TYPE_TKIP:
- /* The uCode has got a bad phase 1 Key, pushes the packet.
- * Decryption will be done in SW. */
- if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) ==
- RX_RES_STATUS_BAD_KEY_TTAK)
- break;
-
- case RX_RES_STATUS_SEC_TYPE_WEP:
- if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) ==
- RX_RES_STATUS_BAD_ICV_MIC) {
- /* bad ICV, the packet is destroyed since the
- * decryption is inplace, drop it */
- IWL_DEBUG_RX(priv, "Packet destroyed\n");
- return -1;
- }
- case RX_RES_STATUS_SEC_TYPE_CCMP:
- if ((decrypt_res & RX_RES_STATUS_DECRYPT_TYPE_MSK) ==
- RX_RES_STATUS_DECRYPT_OK) {
- IWL_DEBUG_RX(priv, "hw decrypt successfully!!!\n");
- stats->flag |= RX_FLAG_DECRYPTED;
- }
- break;
-
- default:
- break;
- }
- return 0;
-}
-
-static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
- struct ieee80211_hdr *hdr,
- u16 len,
- u32 ampdu_status,
- struct iwl_rx_cmd_buffer *rxb,
- struct ieee80211_rx_status *stats)
-{
- struct sk_buff *skb;
- __le16 fc = hdr->frame_control;
- struct iwl_rxon_context *ctx;
- unsigned int hdrlen, fraglen;
-
- /* We only process data packets if the interface is open */
- if (unlikely(!priv->is_open)) {
- IWL_DEBUG_DROP_LIMIT(priv,
- "Dropping packet while interface is not open.\n");
- return;
- }
-
- /* In case of HW accelerated crypto and bad decryption, drop */
- if (!iwlwifi_mod_params.sw_crypto &&
- iwlagn_set_decrypted_flag(priv, hdr, ampdu_status, stats))
- return;
-
- /* Dont use dev_alloc_skb(), we'll have enough headroom once
- * ieee80211_hdr pulled.
- */
- skb = alloc_skb(128, GFP_ATOMIC);
- if (!skb) {
- IWL_ERR(priv, "alloc_skb failed\n");
- return;
- }
- /* If frame is small enough to fit in skb->head, pull it completely.
- * If not, only pull ieee80211_hdr so that splice() or TCP coalesce
- * are more efficient.
- */
- hdrlen = (len <= skb_tailroom(skb)) ? len : sizeof(*hdr);
-
- memcpy(skb_put(skb, hdrlen), hdr, hdrlen);
- fraglen = len - hdrlen;
-
- if (fraglen) {
- int offset = (void *)hdr + hdrlen -
- rxb_addr(rxb) + rxb_offset(rxb);
-
- skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
- fraglen, rxb->truesize);
- }
-
- /*
- * Wake any queues that were stopped due to a passive channel tx
- * failure. This can happen because the regulatory enforcement in
- * the device waits for a beacon before allowing transmission,
- * sometimes even after already having transmitted frames for the
- * association because the new RXON may reset the information.
- */
- if (unlikely(ieee80211_is_beacon(fc) && priv->passive_no_rx)) {
- for_each_context(priv, ctx) {
- if (!ether_addr_equal(hdr->addr3,
- ctx->active.bssid_addr))
- continue;
- iwlagn_lift_passive_no_rx(priv);
- }
- }
-
- memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
-
- ieee80211_rx_napi(priv->hw, skb, priv->napi);
-}
-
-static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in)
-{
- u32 decrypt_out = 0;
-
- if ((decrypt_in & RX_RES_STATUS_STATION_FOUND) ==
- RX_RES_STATUS_STATION_FOUND)
- decrypt_out |= (RX_RES_STATUS_STATION_FOUND |
- RX_RES_STATUS_NO_STATION_INFO_MISMATCH);
-
- decrypt_out |= (decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK);
-
- /* packet was not encrypted */
- if ((decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) ==
- RX_RES_STATUS_SEC_TYPE_NONE)
- return decrypt_out;
-
- /* packet was encrypted with unknown alg */
- if ((decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) ==
- RX_RES_STATUS_SEC_TYPE_ERR)
- return decrypt_out;
-
- /* decryption was not done in HW */
- if ((decrypt_in & RX_MPDU_RES_STATUS_DEC_DONE_MSK) !=
- RX_MPDU_RES_STATUS_DEC_DONE_MSK)
- return decrypt_out;
-
- switch (decrypt_in & RX_RES_STATUS_SEC_TYPE_MSK) {
-
- case RX_RES_STATUS_SEC_TYPE_CCMP:
- /* alg is CCM: check MIC only */
- if (!(decrypt_in & RX_MPDU_RES_STATUS_MIC_OK))
- /* Bad MIC */
- decrypt_out |= RX_RES_STATUS_BAD_ICV_MIC;
- else
- decrypt_out |= RX_RES_STATUS_DECRYPT_OK;
-
- break;
-
- case RX_RES_STATUS_SEC_TYPE_TKIP:
- if (!(decrypt_in & RX_MPDU_RES_STATUS_TTAK_OK)) {
- /* Bad TTAK */
- decrypt_out |= RX_RES_STATUS_BAD_KEY_TTAK;
- break;
- }
- /* fall through if TTAK OK */
- default:
- if (!(decrypt_in & RX_MPDU_RES_STATUS_ICV_OK))
- decrypt_out |= RX_RES_STATUS_BAD_ICV_MIC;
- else
- decrypt_out |= RX_RES_STATUS_DECRYPT_OK;
- break;
- }
-
- IWL_DEBUG_RX(priv, "decrypt_in:0x%x decrypt_out = 0x%x\n",
- decrypt_in, decrypt_out);
-
- return decrypt_out;
-}
-
-/* Calc max signal level (dBm) among 3 possible receivers */
-static int iwlagn_calc_rssi(struct iwl_priv *priv,
- struct iwl_rx_phy_res *rx_resp)
-{
- /* data from PHY/DSP regarding signal strength, etc.,
- * contents are always there, not configurable by host
- */
- struct iwlagn_non_cfg_phy *ncphy =
- (struct iwlagn_non_cfg_phy *)rx_resp->non_cfg_phy_buf;
- u32 val, rssi_a, rssi_b, rssi_c, max_rssi;
- u8 agc;
-
- val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_AGC_IDX]);
- agc = (val & IWLAGN_OFDM_AGC_MSK) >> IWLAGN_OFDM_AGC_BIT_POS;
-
- /* Find max rssi among 3 possible receivers.
- * These values are measured by the digital signal processor (DSP).
- * They should stay fairly constant even as the signal strength varies,
- * if the radio's automatic gain control (AGC) is working right.
- * AGC value (see below) will provide the "interesting" info.
- */
- val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_RSSI_AB_IDX]);
- rssi_a = (val & IWLAGN_OFDM_RSSI_INBAND_A_BITMSK) >>
- IWLAGN_OFDM_RSSI_A_BIT_POS;
- rssi_b = (val & IWLAGN_OFDM_RSSI_INBAND_B_BITMSK) >>
- IWLAGN_OFDM_RSSI_B_BIT_POS;
- val = le32_to_cpu(ncphy->non_cfg_phy[IWLAGN_RX_RES_RSSI_C_IDX]);
- rssi_c = (val & IWLAGN_OFDM_RSSI_INBAND_C_BITMSK) >>
- IWLAGN_OFDM_RSSI_C_BIT_POS;
-
- max_rssi = max_t(u32, rssi_a, rssi_b);
- max_rssi = max_t(u32, max_rssi, rssi_c);
-
- IWL_DEBUG_STATS(priv, "Rssi In A %d B %d C %d Max %d AGC dB %d\n",
- rssi_a, rssi_b, rssi_c, max_rssi, agc);
-
- /* dBm = max_rssi dB - agc dB - constant.
- * Higher AGC (higher radio gain) means lower signal. */
- return max_rssi - agc - IWLAGN_RSSI_OFFSET;
-}
-
-/* Called for REPLY_RX_MPDU_CMD */
-static void iwlagn_rx_reply_rx(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct ieee80211_hdr *header;
- struct ieee80211_rx_status rx_status = {};
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_rx_phy_res *phy_res;
- __le32 rx_pkt_status;
- struct iwl_rx_mpdu_res_start *amsdu;
- u32 len;
- u32 ampdu_status;
- u32 rate_n_flags;
-
- if (!priv->last_phy_res_valid) {
- IWL_ERR(priv, "MPDU frame without cached PHY data\n");
- return;
- }
- phy_res = &priv->last_phy_res;
- amsdu = (struct iwl_rx_mpdu_res_start *)pkt->data;
- header = (struct ieee80211_hdr *)(pkt->data + sizeof(*amsdu));
- len = le16_to_cpu(amsdu->byte_count);
- rx_pkt_status = *(__le32 *)(pkt->data + sizeof(*amsdu) + len);
- ampdu_status = iwlagn_translate_rx_status(priv,
- le32_to_cpu(rx_pkt_status));
-
- if ((unlikely(phy_res->cfg_phy_cnt > 20))) {
- IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d\n",
- phy_res->cfg_phy_cnt);
- return;
- }
-
- if (!(rx_pkt_status & RX_RES_STATUS_NO_CRC32_ERROR) ||
- !(rx_pkt_status & RX_RES_STATUS_NO_RXE_OVERFLOW)) {
- IWL_DEBUG_RX(priv, "Bad CRC or FIFO: 0x%08X.\n",
- le32_to_cpu(rx_pkt_status));
- return;
- }
-
- /* This will be used in several places later */
- rate_n_flags = le32_to_cpu(phy_res->rate_n_flags);
-
- /* rx_status carries information about the packet to mac80211 */
- rx_status.mactime = le64_to_cpu(phy_res->timestamp);
- rx_status.band = (phy_res->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ?
- IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
- rx_status.freq =
- ieee80211_channel_to_frequency(le16_to_cpu(phy_res->channel),
- rx_status.band);
- rx_status.rate_idx =
- iwlagn_hwrate_to_mac80211_idx(rate_n_flags, rx_status.band);
- rx_status.flag = 0;
-
- /* TSF isn't reliable. In order to allow smooth user experience,
- * this W/A doesn't propagate it to the mac80211 */
- /*rx_status.flag |= RX_FLAG_MACTIME_START;*/
-
- priv->ucode_beacon_time = le32_to_cpu(phy_res->beacon_time_stamp);
-
- /* Find max signal strength (dBm) among 3 antenna/receiver chains */
- rx_status.signal = iwlagn_calc_rssi(priv, phy_res);
-
- IWL_DEBUG_STATS_LIMIT(priv, "Rssi %d, TSF %llu\n",
- rx_status.signal, (unsigned long long)rx_status.mactime);
-
- /*
- * "antenna number"
- *
- * It seems that the antenna field in the phy flags value
- * is actually a bit field. This is undefined by radiotap,
- * it wants an actual antenna number but I always get "7"
- * for most legacy frames I receive indicating that the
- * same frame was received on all three RX chains.
- *
- * I think this field should be removed in favor of a
- * new 802.11n radiotap field "RX chains" that is defined
- * as a bitmask.
- */
- rx_status.antenna =
- (le16_to_cpu(phy_res->phy_flags) & RX_RES_PHY_FLAGS_ANTENNA_MSK)
- >> RX_RES_PHY_FLAGS_ANTENNA_POS;
-
- /* set the preamble flag if appropriate */
- if (phy_res->phy_flags & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
- rx_status.flag |= RX_FLAG_SHORTPRE;
-
- if (phy_res->phy_flags & RX_RES_PHY_FLAGS_AGG_MSK) {
- /*
- * We know which subframes of an A-MPDU belong
- * together since we get a single PHY response
- * from the firmware for all of them
- */
- rx_status.flag |= RX_FLAG_AMPDU_DETAILS;
- rx_status.ampdu_reference = priv->ampdu_ref;
- }
-
- /* Set up the HT phy flags */
- if (rate_n_flags & RATE_MCS_HT_MSK)
- rx_status.flag |= RX_FLAG_HT;
- if (rate_n_flags & RATE_MCS_HT40_MSK)
- rx_status.flag |= RX_FLAG_40MHZ;
- if (rate_n_flags & RATE_MCS_SGI_MSK)
- rx_status.flag |= RX_FLAG_SHORT_GI;
- if (rate_n_flags & RATE_MCS_GF_MSK)
- rx_status.flag |= RX_FLAG_HT_GF;
-
- iwlagn_pass_packet_to_mac80211(priv, header, len, ampdu_status,
- rxb, &rx_status);
-}
-
-static void iwlagn_rx_noa_notification(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_wipan_noa_data *new_data, *old_data;
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->data;
-
- /* no condition -- we're in softirq */
- old_data = rcu_dereference_protected(priv->noa_data, true);
-
- if (noa_notif->noa_active) {
- u32 len = le16_to_cpu(noa_notif->noa_attribute.length);
- u32 copylen = len;
-
- /* EID, len, OUI, subtype */
- len += 1 + 1 + 3 + 1;
- /* P2P id, P2P length */
- len += 1 + 2;
- copylen += 1 + 2;
-
- new_data = kmalloc(sizeof(*new_data) + len, GFP_ATOMIC);
- if (new_data) {
- new_data->length = len;
- new_data->data[0] = WLAN_EID_VENDOR_SPECIFIC;
- new_data->data[1] = len - 2; /* not counting EID, len */
- new_data->data[2] = (WLAN_OUI_WFA >> 16) & 0xff;
- new_data->data[3] = (WLAN_OUI_WFA >> 8) & 0xff;
- new_data->data[4] = (WLAN_OUI_WFA >> 0) & 0xff;
- new_data->data[5] = WLAN_OUI_TYPE_WFA_P2P;
- memcpy(&new_data->data[6], &noa_notif->noa_attribute,
- copylen);
- }
- } else
- new_data = NULL;
-
- rcu_assign_pointer(priv->noa_data, new_data);
-
- if (old_data)
- kfree_rcu(old_data, rcu_head);
-}
-
-/**
- * iwl_setup_rx_handlers - Initialize Rx handler callbacks
- *
- * Setup the RX handlers for each of the reply types sent from the uCode
- * to the host.
- */
-void iwl_setup_rx_handlers(struct iwl_priv *priv)
-{
- void (**handlers)(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb);
-
- handlers = priv->rx_handlers;
-
- handlers[REPLY_ERROR] = iwlagn_rx_reply_error;
- handlers[CHANNEL_SWITCH_NOTIFICATION] = iwlagn_rx_csa;
- handlers[SPECTRUM_MEASURE_NOTIFICATION] =
- iwlagn_rx_spectrum_measure_notif;
- handlers[PM_SLEEP_NOTIFICATION] = iwlagn_rx_pm_sleep_notif;
- handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
- iwlagn_rx_pm_debug_statistics_notif;
- handlers[BEACON_NOTIFICATION] = iwlagn_rx_beacon_notif;
- handlers[REPLY_ADD_STA] = iwl_add_sta_callback;
-
- handlers[REPLY_WIPAN_NOA_NOTIFICATION] = iwlagn_rx_noa_notification;
-
- /*
- * The same handler is used for both the REPLY to a discrete
- * statistics request from the host as well as for the periodic
- * statistics notifications (after received beacons) from the uCode.
- */
- handlers[REPLY_STATISTICS_CMD] = iwlagn_rx_reply_statistics;
- handlers[STATISTICS_NOTIFICATION] = iwlagn_rx_statistics;
-
- iwl_setup_rx_scan_handlers(priv);
-
- handlers[CARD_STATE_NOTIFICATION] = iwlagn_rx_card_state_notif;
- handlers[MISSED_BEACONS_NOTIFICATION] =
- iwlagn_rx_missed_beacon_notif;
-
- /* Rx handlers */
- handlers[REPLY_RX_PHY_CMD] = iwlagn_rx_reply_rx_phy;
- handlers[REPLY_RX_MPDU_CMD] = iwlagn_rx_reply_rx;
-
- /* block ack */
- handlers[REPLY_COMPRESSED_BA] =
- iwlagn_rx_reply_compressed_ba;
-
- priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx;
-
- /* set up notification wait support */
- iwl_notification_wait_init(&priv->notif_wait);
-
- /* Set up BT Rx handlers */
- if (priv->lib->bt_params)
- iwlagn_bt_rx_handler_setup(priv);
-}
-
-void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi,
- struct iwl_rx_cmd_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = rxb_addr(rxb);
- struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
-
- /*
- * Do the notification wait before RX handlers so
- * even if the RX handler consumes the RXB we have
- * access to it in the notification wait entry.
- */
- iwl_notification_wait_notify(&priv->notif_wait, pkt);
-
- /* Based on type of command response or notification,
- * handle those that need handling via function in
- * rx_handlers table. See iwl_setup_rx_handlers() */
- if (priv->rx_handlers[pkt->hdr.cmd]) {
- priv->rx_handlers_stats[pkt->hdr.cmd]++;
- priv->rx_handlers[pkt->hdr.cmd](priv, rxb);
- } else {
- /* No handling needed */
- IWL_DEBUG_RX(priv, "No handler needed for %s, 0x%02x\n",
- iwl_dvm_get_cmd_string(pkt->hdr.cmd),
- pkt->hdr.cmd);
- }
-}
projects / cascardo / linux.git / blobdiff