1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <linuxwifi@intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
42 * * Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * * Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in
46 * the documentation and/or other materials provided with the
48 * * Neither the name Intel Corporation nor the names of its
49 * contributors may be used to endorse or promote products derived
50 * from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *****************************************************************************/
64 #include <linux/etherdevice.h>
65 #include <linux/skbuff.h>
66 #include "iwl-trans.h"
72 * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler
74 * Copies the phy information in mvm->last_phy_info, it will be used when the
75 * actual data will come from the fw in the next packet.
77 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
79 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
81 memcpy(&mvm
->last_phy_info
, pkt
->data
, sizeof(mvm
->last_phy_info
));
84 #ifdef CONFIG_IWLWIFI_DEBUGFS
85 if (mvm
->last_phy_info
.phy_flags
& cpu_to_le16(RX_RES_PHY_FLAGS_AGG
)) {
86 spin_lock(&mvm
->drv_stats_lock
);
87 mvm
->drv_rx_stats
.ampdu_count
++;
88 spin_unlock(&mvm
->drv_stats_lock
);
94 * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211
96 * Adds the rxb to a new skb and give it to mac80211
98 static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm
*mvm
,
99 struct napi_struct
*napi
,
101 struct ieee80211_hdr
*hdr
, u16 len
,
102 u32 ampdu_status
, u8 crypt_len
,
103 struct iwl_rx_cmd_buffer
*rxb
)
105 unsigned int hdrlen
, fraglen
;
107 /* If frame is small enough to fit in skb->head, pull it completely.
108 * If not, only pull ieee80211_hdr (including crypto if present, and
109 * an additional 8 bytes for SNAP/ethertype, see below) so that
110 * splice() or TCP coalesce are more efficient.
112 * Since, in addition, ieee80211_data_to_8023() always pull in at
113 * least 8 bytes (possibly more for mesh) we can do the same here
114 * to save the cost of doing it later. That still doesn't pull in
115 * the actual IP header since the typical case has a SNAP header.
116 * If the latter changes (there are efforts in the standards group
117 * to do so) we should revisit this and ieee80211_data_to_8023().
119 hdrlen
= (len
<= skb_tailroom(skb
)) ? len
:
120 sizeof(*hdr
) + crypt_len
+ 8;
122 memcpy(skb_put(skb
, hdrlen
), hdr
, hdrlen
);
123 fraglen
= len
- hdrlen
;
126 int offset
= (void *)hdr
+ hdrlen
-
127 rxb_addr(rxb
) + rxb_offset(rxb
);
129 skb_add_rx_frag(skb
, 0, rxb_steal_page(rxb
), offset
,
130 fraglen
, rxb
->truesize
);
133 ieee80211_rx_napi(mvm
->hw
, skb
, napi
);
137 * iwl_mvm_get_signal_strength - use new rx PHY INFO API
138 * values are reported by the fw as positive values - need to negate
139 * to obtain their dBM. Account for missing antennas by replacing 0
140 * values by -256dBm: practically 0 power and a non-feasible 8 bit value.
142 static void iwl_mvm_get_signal_strength(struct iwl_mvm
*mvm
,
143 struct iwl_rx_phy_info
*phy_info
,
144 struct ieee80211_rx_status
*rx_status
)
146 int energy_a
, energy_b
, energy_c
, max_energy
;
150 le32_to_cpu(phy_info
->non_cfg_phy
[IWL_RX_INFO_ENERGY_ANT_ABC_IDX
]);
151 energy_a
= (val
& IWL_RX_INFO_ENERGY_ANT_A_MSK
) >>
152 IWL_RX_INFO_ENERGY_ANT_A_POS
;
153 energy_a
= energy_a
? -energy_a
: S8_MIN
;
154 energy_b
= (val
& IWL_RX_INFO_ENERGY_ANT_B_MSK
) >>
155 IWL_RX_INFO_ENERGY_ANT_B_POS
;
156 energy_b
= energy_b
? -energy_b
: S8_MIN
;
157 energy_c
= (val
& IWL_RX_INFO_ENERGY_ANT_C_MSK
) >>
158 IWL_RX_INFO_ENERGY_ANT_C_POS
;
159 energy_c
= energy_c
? -energy_c
: S8_MIN
;
160 max_energy
= max(energy_a
, energy_b
);
161 max_energy
= max(max_energy
, energy_c
);
163 IWL_DEBUG_STATS(mvm
, "energy In A %d B %d C %d , and max %d\n",
164 energy_a
, energy_b
, energy_c
, max_energy
);
166 rx_status
->signal
= max_energy
;
167 rx_status
->chains
= (le16_to_cpu(phy_info
->phy_flags
) &
168 RX_RES_PHY_FLAGS_ANTENNA
)
169 >> RX_RES_PHY_FLAGS_ANTENNA_POS
;
170 rx_status
->chain_signal
[0] = energy_a
;
171 rx_status
->chain_signal
[1] = energy_b
;
172 rx_status
->chain_signal
[2] = energy_c
;
176 * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format
177 * @mvm: the mvm object
179 * @stats: status in mac80211's format
180 * @rx_pkt_status: status coming from fw
182 * returns non 0 value if the packet should be dropped
184 static u32
iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm
*mvm
,
185 struct ieee80211_hdr
*hdr
,
186 struct ieee80211_rx_status
*stats
,
190 if (!ieee80211_has_protected(hdr
->frame_control
) ||
191 (rx_pkt_status
& RX_MPDU_RES_STATUS_SEC_ENC_MSK
) ==
192 RX_MPDU_RES_STATUS_SEC_NO_ENC
)
195 /* packet was encrypted with unknown alg */
196 if ((rx_pkt_status
& RX_MPDU_RES_STATUS_SEC_ENC_MSK
) ==
197 RX_MPDU_RES_STATUS_SEC_ENC_ERR
)
200 switch (rx_pkt_status
& RX_MPDU_RES_STATUS_SEC_ENC_MSK
) {
201 case RX_MPDU_RES_STATUS_SEC_CCM_ENC
:
202 /* alg is CCM: check MIC only */
203 if (!(rx_pkt_status
& RX_MPDU_RES_STATUS_MIC_OK
))
206 stats
->flag
|= RX_FLAG_DECRYPTED
;
207 *crypt_len
= IEEE80211_CCMP_HDR_LEN
;
210 case RX_MPDU_RES_STATUS_SEC_TKIP_ENC
:
211 /* Don't drop the frame and decrypt it in SW */
212 if (!(rx_pkt_status
& RX_MPDU_RES_STATUS_TTAK_OK
))
214 *crypt_len
= IEEE80211_TKIP_IV_LEN
;
215 /* fall through if TTAK OK */
217 case RX_MPDU_RES_STATUS_SEC_WEP_ENC
:
218 if (!(rx_pkt_status
& RX_MPDU_RES_STATUS_ICV_OK
))
221 stats
->flag
|= RX_FLAG_DECRYPTED
;
222 if ((rx_pkt_status
& RX_MPDU_RES_STATUS_SEC_ENC_MSK
) ==
223 RX_MPDU_RES_STATUS_SEC_WEP_ENC
)
224 *crypt_len
= IEEE80211_WEP_IV_LEN
;
227 case RX_MPDU_RES_STATUS_SEC_EXT_ENC
:
228 if (!(rx_pkt_status
& RX_MPDU_RES_STATUS_MIC_OK
))
230 stats
->flag
|= RX_FLAG_DECRYPTED
;
234 IWL_ERR(mvm
, "Unhandled alg: 0x%x\n", rx_pkt_status
);
240 static void iwl_mvm_rx_csum(struct ieee80211_sta
*sta
,
244 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
245 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(mvmsta
->vif
);
247 if (mvmvif
->features
& NETIF_F_RXCSUM
&&
248 status
& RX_MPDU_RES_STATUS_CSUM_DONE
&&
249 status
& RX_MPDU_RES_STATUS_CSUM_OK
)
250 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
254 * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler
256 * Handles the actual data of the Rx packet from the fw
258 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm
*mvm
, struct napi_struct
*napi
,
259 struct iwl_rx_cmd_buffer
*rxb
)
261 struct ieee80211_hdr
*hdr
;
262 struct ieee80211_rx_status
*rx_status
;
263 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
264 struct iwl_rx_phy_info
*phy_info
;
265 struct iwl_rx_mpdu_res_start
*rx_res
;
266 struct ieee80211_sta
*sta
= NULL
;
274 phy_info
= &mvm
->last_phy_info
;
275 rx_res
= (struct iwl_rx_mpdu_res_start
*)pkt
->data
;
276 hdr
= (struct ieee80211_hdr
*)(pkt
->data
+ sizeof(*rx_res
));
277 len
= le16_to_cpu(rx_res
->byte_count
);
278 rx_pkt_status
= le32_to_cpup((__le32
*)
279 (pkt
->data
+ sizeof(*rx_res
) + len
));
281 /* Dont use dev_alloc_skb(), we'll have enough headroom once
282 * ieee80211_hdr pulled.
284 skb
= alloc_skb(128, GFP_ATOMIC
);
286 IWL_ERR(mvm
, "alloc_skb failed\n");
290 rx_status
= IEEE80211_SKB_RXCB(skb
);
293 * drop the packet if it has failed being decrypted by HW
295 if (iwl_mvm_set_mac80211_rx_flag(mvm
, hdr
, rx_status
, rx_pkt_status
,
297 IWL_DEBUG_DROP(mvm
, "Bad decryption results 0x%08x\n",
304 * Keep packets with CRC errors (and with overrun) for monitor mode
305 * (otherwise the firmware discards them) but mark them as bad.
307 if (!(rx_pkt_status
& RX_MPDU_RES_STATUS_CRC_OK
) ||
308 !(rx_pkt_status
& RX_MPDU_RES_STATUS_OVERRUN_OK
)) {
309 IWL_DEBUG_RX(mvm
, "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status
);
310 rx_status
->flag
|= RX_FLAG_FAILED_FCS_CRC
;
313 /* This will be used in several places later */
314 rate_n_flags
= le32_to_cpu(phy_info
->rate_n_flags
);
316 /* rx_status carries information about the packet to mac80211 */
317 rx_status
->mactime
= le64_to_cpu(phy_info
->timestamp
);
318 rx_status
->device_timestamp
= le32_to_cpu(phy_info
->system_timestamp
);
320 (phy_info
->phy_flags
& cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24
)) ?
321 IEEE80211_BAND_2GHZ
: IEEE80211_BAND_5GHZ
;
323 ieee80211_channel_to_frequency(le16_to_cpu(phy_info
->channel
),
326 * TSF as indicated by the fw is at INA time, but mac80211 expects the
327 * TSF at the beginning of the MPDU.
329 /*rx_status->flag |= RX_FLAG_MACTIME_MPDU;*/
331 iwl_mvm_get_signal_strength(mvm
, phy_info
, rx_status
);
333 IWL_DEBUG_STATS_LIMIT(mvm
, "Rssi %d, TSF %llu\n", rx_status
->signal
,
334 (unsigned long long)rx_status
->mactime
);
337 if (rx_pkt_status
& RX_MPDU_RES_STATUS_SRC_STA_FOUND
) {
338 u32 id
= rx_pkt_status
& RX_MPDU_RES_STATUS_STA_ID_MSK
;
340 id
>>= RX_MDPU_RES_STATUS_STA_ID_SHIFT
;
342 if (!WARN_ON_ONCE(id
>= IWL_MVM_STATION_COUNT
)) {
343 sta
= rcu_dereference(mvm
->fw_id_to_mac_id
[id
]);
347 } else if (!is_multicast_ether_addr(hdr
->addr2
)) {
348 /* This is fine since we prevent two stations with the same
349 * address from being added.
351 sta
= ieee80211_find_sta_by_ifaddr(mvm
->hw
, hdr
->addr2
, NULL
);
355 struct iwl_mvm_sta
*mvmsta
= iwl_mvm_sta_from_mac80211(sta
);
357 /* We have tx blocked stations (with CS bit). If we heard
358 * frames from a blocked station on a new channel we can
361 if (unlikely(mvm
->csa_tx_block_bcn_timeout
))
362 iwl_mvm_sta_modify_disable_tx_ap(mvm
, sta
, false);
364 rs_update_last_rssi(mvm
, &mvmsta
->lq_sta
, rx_status
);
366 if (iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_RSSI
) &&
367 ieee80211_is_beacon(hdr
->frame_control
)) {
368 struct iwl_fw_dbg_trigger_tlv
*trig
;
369 struct iwl_fw_dbg_trigger_low_rssi
*rssi_trig
;
373 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
,
374 FW_DBG_TRIGGER_RSSI
);
375 rssi_trig
= (void *)trig
->data
;
376 rssi
= le32_to_cpu(rssi_trig
->rssi
);
379 iwl_fw_dbg_trigger_check_stop(mvm
, mvmsta
->vif
,
381 if (trig_check
&& rx_status
->signal
< rssi
)
382 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
, NULL
);
385 if (ieee80211_is_data(hdr
->frame_control
))
386 iwl_mvm_rx_csum(sta
, skb
, rx_pkt_status
);
390 /* set the preamble flag if appropriate */
391 if (phy_info
->phy_flags
& cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE
))
392 rx_status
->flag
|= RX_FLAG_SHORTPRE
;
394 if (phy_info
->phy_flags
& cpu_to_le16(RX_RES_PHY_FLAGS_AGG
)) {
396 * We know which subframes of an A-MPDU belong
397 * together since we get a single PHY response
398 * from the firmware for all of them
400 rx_status
->flag
|= RX_FLAG_AMPDU_DETAILS
;
401 rx_status
->ampdu_reference
= mvm
->ampdu_ref
;
404 /* Set up the HT phy flags */
405 switch (rate_n_flags
& RATE_MCS_CHAN_WIDTH_MSK
) {
406 case RATE_MCS_CHAN_WIDTH_20
:
408 case RATE_MCS_CHAN_WIDTH_40
:
409 rx_status
->flag
|= RX_FLAG_40MHZ
;
411 case RATE_MCS_CHAN_WIDTH_80
:
412 rx_status
->vht_flag
|= RX_VHT_FLAG_80MHZ
;
414 case RATE_MCS_CHAN_WIDTH_160
:
415 rx_status
->vht_flag
|= RX_VHT_FLAG_160MHZ
;
418 if (rate_n_flags
& RATE_MCS_SGI_MSK
)
419 rx_status
->flag
|= RX_FLAG_SHORT_GI
;
420 if (rate_n_flags
& RATE_HT_MCS_GF_MSK
)
421 rx_status
->flag
|= RX_FLAG_HT_GF
;
422 if (rate_n_flags
& RATE_MCS_LDPC_MSK
)
423 rx_status
->flag
|= RX_FLAG_LDPC
;
424 if (rate_n_flags
& RATE_MCS_HT_MSK
) {
425 u8 stbc
= (rate_n_flags
& RATE_MCS_HT_STBC_MSK
) >>
427 rx_status
->flag
|= RX_FLAG_HT
;
428 rx_status
->rate_idx
= rate_n_flags
& RATE_HT_MCS_INDEX_MSK
;
429 rx_status
->flag
|= stbc
<< RX_FLAG_STBC_SHIFT
;
430 } else if (rate_n_flags
& RATE_MCS_VHT_MSK
) {
431 u8 stbc
= (rate_n_flags
& RATE_MCS_VHT_STBC_MSK
) >>
434 ((rate_n_flags
& RATE_VHT_MCS_NSS_MSK
) >>
435 RATE_VHT_MCS_NSS_POS
) + 1;
436 rx_status
->rate_idx
= rate_n_flags
& RATE_VHT_MCS_RATE_CODE_MSK
;
437 rx_status
->flag
|= RX_FLAG_VHT
;
438 rx_status
->flag
|= stbc
<< RX_FLAG_STBC_SHIFT
;
439 if (rate_n_flags
& RATE_MCS_BF_MSK
)
440 rx_status
->vht_flag
|= RX_VHT_FLAG_BF
;
442 rx_status
->rate_idx
=
443 iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags
,
447 #ifdef CONFIG_IWLWIFI_DEBUGFS
448 iwl_mvm_update_frame_stats(mvm
, rate_n_flags
,
449 rx_status
->flag
& RX_FLAG_AMPDU_DETAILS
);
451 iwl_mvm_pass_packet_to_mac80211(mvm
, napi
, skb
, hdr
, len
, ampdu_status
,
455 static void iwl_mvm_update_rx_statistics(struct iwl_mvm
*mvm
,
456 struct mvm_statistics_rx
*rx_stats
)
458 lockdep_assert_held(&mvm
->mutex
);
460 mvm
->rx_stats
= *rx_stats
;
463 struct iwl_mvm_stat_data
{
466 u8 beacon_filter_average_energy
;
467 struct mvm_statistics_general_v8
*general
;
470 static void iwl_mvm_stat_iterator(void *_data
, u8
*mac
,
471 struct ieee80211_vif
*vif
)
473 struct iwl_mvm_stat_data
*data
= _data
;
474 struct iwl_mvm
*mvm
= data
->mvm
;
475 int sig
= -data
->beacon_filter_average_energy
;
477 int thold
= vif
->bss_conf
.cqm_rssi_thold
;
478 int hyst
= vif
->bss_conf
.cqm_rssi_hyst
;
479 u16 id
= le32_to_cpu(data
->mac_id
);
480 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
482 /* This doesn't need the MAC ID check since it's not taking the
483 * data copied into the "data" struct, but rather the data from
484 * the notification directly.
487 mvmvif
->beacon_stats
.num_beacons
=
488 le32_to_cpu(data
->general
->beacon_counter
[mvmvif
->id
]);
489 mvmvif
->beacon_stats
.avg_signal
=
490 -data
->general
->beacon_average_energy
[mvmvif
->id
];
493 if (mvmvif
->id
!= id
)
496 if (vif
->type
!= NL80211_IFTYPE_STATION
)
500 IWL_DEBUG_RX(mvm
, "RSSI is 0 - skip signal based decision\n");
504 mvmvif
->bf_data
.ave_beacon_signal
= sig
;
507 if (mvmvif
->bf_data
.bt_coex_min_thold
!=
508 mvmvif
->bf_data
.bt_coex_max_thold
) {
509 last_event
= mvmvif
->bf_data
.last_bt_coex_event
;
510 if (sig
> mvmvif
->bf_data
.bt_coex_max_thold
&&
511 (last_event
<= mvmvif
->bf_data
.bt_coex_min_thold
||
513 mvmvif
->bf_data
.last_bt_coex_event
= sig
;
514 IWL_DEBUG_RX(mvm
, "cqm_iterator bt coex high %d\n",
516 iwl_mvm_bt_rssi_event(mvm
, vif
, RSSI_EVENT_HIGH
);
517 } else if (sig
< mvmvif
->bf_data
.bt_coex_min_thold
&&
518 (last_event
>= mvmvif
->bf_data
.bt_coex_max_thold
||
520 mvmvif
->bf_data
.last_bt_coex_event
= sig
;
521 IWL_DEBUG_RX(mvm
, "cqm_iterator bt coex low %d\n",
523 iwl_mvm_bt_rssi_event(mvm
, vif
, RSSI_EVENT_LOW
);
527 if (!(vif
->driver_flags
& IEEE80211_VIF_SUPPORTS_CQM_RSSI
))
530 /* CQM Notification */
531 last_event
= mvmvif
->bf_data
.last_cqm_event
;
532 if (thold
&& sig
< thold
&& (last_event
== 0 ||
533 sig
< last_event
- hyst
)) {
534 mvmvif
->bf_data
.last_cqm_event
= sig
;
535 IWL_DEBUG_RX(mvm
, "cqm_iterator cqm low %d\n",
537 ieee80211_cqm_rssi_notify(
539 NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW
,
541 } else if (sig
> thold
&&
542 (last_event
== 0 || sig
> last_event
+ hyst
)) {
543 mvmvif
->bf_data
.last_cqm_event
= sig
;
544 IWL_DEBUG_RX(mvm
, "cqm_iterator cqm high %d\n",
546 ieee80211_cqm_rssi_notify(
548 NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH
,
554 iwl_mvm_rx_stats_check_trigger(struct iwl_mvm
*mvm
, struct iwl_rx_packet
*pkt
)
556 struct iwl_fw_dbg_trigger_tlv
*trig
;
557 struct iwl_fw_dbg_trigger_stats
*trig_stats
;
558 u32 trig_offset
, trig_thold
;
560 if (!iwl_fw_dbg_trigger_enabled(mvm
->fw
, FW_DBG_TRIGGER_STATS
))
563 trig
= iwl_fw_dbg_get_trigger(mvm
->fw
, FW_DBG_TRIGGER_STATS
);
564 trig_stats
= (void *)trig
->data
;
566 if (!iwl_fw_dbg_trigger_check_stop(mvm
, NULL
, trig
))
569 trig_offset
= le32_to_cpu(trig_stats
->stop_offset
);
570 trig_thold
= le32_to_cpu(trig_stats
->stop_threshold
);
572 if (WARN_ON_ONCE(trig_offset
>= iwl_rx_packet_payload_len(pkt
)))
575 if (le32_to_cpup((__le32
*) (pkt
->data
+ trig_offset
)) < trig_thold
)
578 iwl_mvm_fw_dbg_collect_trig(mvm
, trig
, NULL
);
581 void iwl_mvm_handle_rx_statistics(struct iwl_mvm
*mvm
,
582 struct iwl_rx_packet
*pkt
)
584 struct iwl_notif_statistics_v10
*stats
= (void *)&pkt
->data
;
585 struct iwl_mvm_stat_data data
= {
590 if (iwl_rx_packet_payload_len(pkt
) != sizeof(*stats
))
593 temperature
= le32_to_cpu(stats
->general
.radio_temperature
);
594 data
.mac_id
= stats
->rx
.general
.mac_id
;
595 data
.beacon_filter_average_energy
=
596 stats
->general
.beacon_filter_average_energy
;
598 iwl_mvm_update_rx_statistics(mvm
, &stats
->rx
);
600 mvm
->radio_stats
.rx_time
= le64_to_cpu(stats
->general
.rx_time
);
601 mvm
->radio_stats
.tx_time
= le64_to_cpu(stats
->general
.tx_time
);
602 mvm
->radio_stats
.on_time_rf
=
603 le64_to_cpu(stats
->general
.on_time_rf
);
604 mvm
->radio_stats
.on_time_scan
=
605 le64_to_cpu(stats
->general
.on_time_scan
);
607 data
.general
= &stats
->general
;
609 iwl_mvm_rx_stats_check_trigger(mvm
, pkt
);
611 ieee80211_iterate_active_interfaces(mvm
->hw
,
612 IEEE80211_IFACE_ITER_NORMAL
,
613 iwl_mvm_stat_iterator
,
617 IWL_ERR(mvm
, "received invalid statistics size (%d)!\n",
618 iwl_rx_packet_payload_len(pkt
));
621 void iwl_mvm_rx_statistics(struct iwl_mvm
*mvm
, struct iwl_rx_cmd_buffer
*rxb
)
623 iwl_mvm_handle_rx_statistics(mvm
, rxb_addr(rxb
));