18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
28e99ea8dSJohannes Berg /*
3740dfeccSMiri Korenblit * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
48e99ea8dSJohannes Berg * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
58e99ea8dSJohannes Berg * Copyright (C) 2016-2017 Intel Deutschland GmbH
68e99ea8dSJohannes Berg */
7c5aaa8beSWang Xuerui #include <asm/unaligned.h>
8a399f980SJohannes Berg #include <linux/etherdevice.h>
9e705c121SKalle Valo #include <linux/skbuff.h>
10e705c121SKalle Valo #include "iwl-trans.h"
11e705c121SKalle Valo #include "mvm.h"
12e705c121SKalle Valo #include "fw-api.h"
13e705c121SKalle Valo
14e705c121SKalle Valo /*
15e705c121SKalle Valo * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler
16e705c121SKalle Valo *
17e705c121SKalle Valo * Copies the phy information in mvm->last_phy_info, it will be used when the
18e705c121SKalle Valo * actual data will come from the fw in the next packet.
19e705c121SKalle Valo */
iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)20e705c121SKalle Valo void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
21e705c121SKalle Valo {
22e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb);
231e1a58beSJohannes Berg unsigned int pkt_len = iwl_rx_packet_payload_len(pkt);
241e1a58beSJohannes Berg
251e1a58beSJohannes Berg if (unlikely(pkt_len < sizeof(mvm->last_phy_info)))
261e1a58beSJohannes Berg return;
27e705c121SKalle Valo
28e705c121SKalle Valo memcpy(&mvm->last_phy_info, pkt->data, sizeof(mvm->last_phy_info));
29e705c121SKalle Valo mvm->ampdu_ref++;
30e705c121SKalle Valo
31e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS
32e705c121SKalle Valo if (mvm->last_phy_info.phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) {
33e705c121SKalle Valo spin_lock(&mvm->drv_stats_lock);
34e705c121SKalle Valo mvm->drv_rx_stats.ampdu_count++;
35e705c121SKalle Valo spin_unlock(&mvm->drv_stats_lock);
36e705c121SKalle Valo }
37e705c121SKalle Valo #endif
38e705c121SKalle Valo }
39e705c121SKalle Valo
40e705c121SKalle Valo /*
41e705c121SKalle Valo * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211
42e705c121SKalle Valo *
43e705c121SKalle Valo * Adds the rxb to a new skb and give it to mac80211
44e705c121SKalle Valo */
iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm * mvm,struct ieee80211_sta * sta,struct napi_struct * napi,struct sk_buff * skb,struct ieee80211_hdr * hdr,u16 len,u8 crypt_len,struct iwl_rx_cmd_buffer * rxb)45e705c121SKalle Valo static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
4643ec72b7SJohannes Berg struct ieee80211_sta *sta,
47e705c121SKalle Valo struct napi_struct *napi,
48e705c121SKalle Valo struct sk_buff *skb,
49e705c121SKalle Valo struct ieee80211_hdr *hdr, u16 len,
50bdbc58abSDan Carpenter u8 crypt_len,
51e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb)
52e705c121SKalle Valo {
535cddd05cSJohannes Berg unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
545cddd05cSJohannes Berg unsigned int fraglen;
555cddd05cSJohannes Berg
565cddd05cSJohannes Berg /*
575cddd05cSJohannes Berg * The 'hdrlen' (plus the 8 bytes for the SNAP and the crypt_len,
585cddd05cSJohannes Berg * but those are all multiples of 4 long) all goes away, but we
595cddd05cSJohannes Berg * want the *end* of it, which is going to be the start of the IP
605cddd05cSJohannes Berg * header, to be aligned when it gets pulled in.
615cddd05cSJohannes Berg * The beginning of the skb->data is aligned on at least a 4-byte
625cddd05cSJohannes Berg * boundary after allocation. Everything here is aligned at least
635cddd05cSJohannes Berg * on a 2-byte boundary so we can just take hdrlen & 3 and pad by
645cddd05cSJohannes Berg * the result.
655cddd05cSJohannes Berg */
665cddd05cSJohannes Berg skb_reserve(skb, hdrlen & 3);
67e705c121SKalle Valo
68e705c121SKalle Valo /* If frame is small enough to fit in skb->head, pull it completely.
69e705c121SKalle Valo * If not, only pull ieee80211_hdr (including crypto if present, and
70e705c121SKalle Valo * an additional 8 bytes for SNAP/ethertype, see below) so that
71e705c121SKalle Valo * splice() or TCP coalesce are more efficient.
72e705c121SKalle Valo *
73e705c121SKalle Valo * Since, in addition, ieee80211_data_to_8023() always pull in at
74e705c121SKalle Valo * least 8 bytes (possibly more for mesh) we can do the same here
75e705c121SKalle Valo * to save the cost of doing it later. That still doesn't pull in
76e705c121SKalle Valo * the actual IP header since the typical case has a SNAP header.
77e705c121SKalle Valo * If the latter changes (there are efforts in the standards group
78e705c121SKalle Valo * to do so) we should revisit this and ieee80211_data_to_8023().
79e705c121SKalle Valo */
805cddd05cSJohannes Berg hdrlen = (len <= skb_tailroom(skb)) ? len : hdrlen + crypt_len + 8;
81e705c121SKalle Valo
8259ae1d12SJohannes Berg skb_put_data(skb, hdr, hdrlen);
83e705c121SKalle Valo fraglen = len - hdrlen;
84e705c121SKalle Valo
85e705c121SKalle Valo if (fraglen) {
863827cb59SJohannes Berg int offset = (u8 *)hdr + hdrlen -
873827cb59SJohannes Berg (u8 *)rxb_addr(rxb) + rxb_offset(rxb);
88e705c121SKalle Valo
89e705c121SKalle Valo skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
90e705c121SKalle Valo fraglen, rxb->truesize);
91e705c121SKalle Valo }
92e705c121SKalle Valo
9343ec72b7SJohannes Berg ieee80211_rx_napi(mvm->hw, sta, skb, napi);
94e705c121SKalle Valo }
95e705c121SKalle Valo
96e705c121SKalle Valo /*
97e705c121SKalle Valo * iwl_mvm_get_signal_strength - use new rx PHY INFO API
98e705c121SKalle Valo * values are reported by the fw as positive values - need to negate
99e705c121SKalle Valo * to obtain their dBM. Account for missing antennas by replacing 0
100e705c121SKalle Valo * values by -256dBm: practically 0 power and a non-feasible 8 bit value.
101e705c121SKalle Valo */
iwl_mvm_get_signal_strength(struct iwl_mvm * mvm,struct iwl_rx_phy_info * phy_info,struct ieee80211_rx_status * rx_status)102e705c121SKalle Valo static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm,
103e705c121SKalle Valo struct iwl_rx_phy_info *phy_info,
104e705c121SKalle Valo struct ieee80211_rx_status *rx_status)
105e705c121SKalle Valo {
10657b7b345SMiri Korenblit int energy_a, energy_b, max_energy;
107e705c121SKalle Valo u32 val;
108e705c121SKalle Valo
109e705c121SKalle Valo val =
110e705c121SKalle Valo le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_ENERGY_ANT_ABC_IDX]);
111e705c121SKalle Valo energy_a = (val & IWL_RX_INFO_ENERGY_ANT_A_MSK) >>
112e705c121SKalle Valo IWL_RX_INFO_ENERGY_ANT_A_POS;
113e705c121SKalle Valo energy_a = energy_a ? -energy_a : S8_MIN;
114e705c121SKalle Valo energy_b = (val & IWL_RX_INFO_ENERGY_ANT_B_MSK) >>
115e705c121SKalle Valo IWL_RX_INFO_ENERGY_ANT_B_POS;
116e705c121SKalle Valo energy_b = energy_b ? -energy_b : S8_MIN;
117e705c121SKalle Valo max_energy = max(energy_a, energy_b);
118e705c121SKalle Valo
11957b7b345SMiri Korenblit IWL_DEBUG_STATS(mvm, "energy In A %d B %d , and max %d\n",
12057b7b345SMiri Korenblit energy_a, energy_b, max_energy);
121e705c121SKalle Valo
122e705c121SKalle Valo rx_status->signal = max_energy;
123e705c121SKalle Valo rx_status->chains = (le16_to_cpu(phy_info->phy_flags) &
124e705c121SKalle Valo RX_RES_PHY_FLAGS_ANTENNA)
125e705c121SKalle Valo >> RX_RES_PHY_FLAGS_ANTENNA_POS;
126e705c121SKalle Valo rx_status->chain_signal[0] = energy_a;
127e705c121SKalle Valo rx_status->chain_signal[1] = energy_b;
128e705c121SKalle Valo }
129e705c121SKalle Valo
130e705c121SKalle Valo /*
131e705c121SKalle Valo * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format
132e705c121SKalle Valo * @mvm: the mvm object
133e705c121SKalle Valo * @hdr: 80211 header
134e705c121SKalle Valo * @stats: status in mac80211's format
135e705c121SKalle Valo * @rx_pkt_status: status coming from fw
136e705c121SKalle Valo *
137e705c121SKalle Valo * returns non 0 value if the packet should be dropped
138e705c121SKalle Valo */
iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm * mvm,struct ieee80211_hdr * hdr,struct ieee80211_rx_status * stats,u32 rx_pkt_status,u8 * crypt_len)139e705c121SKalle Valo static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm,
140e705c121SKalle Valo struct ieee80211_hdr *hdr,
141e705c121SKalle Valo struct ieee80211_rx_status *stats,
142e705c121SKalle Valo u32 rx_pkt_status,
143e705c121SKalle Valo u8 *crypt_len)
144e705c121SKalle Valo {
145e705c121SKalle Valo if (!ieee80211_has_protected(hdr->frame_control) ||
146e705c121SKalle Valo (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) ==
147e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_NO_ENC)
148e705c121SKalle Valo return 0;
149e705c121SKalle Valo
150e705c121SKalle Valo /* packet was encrypted with unknown alg */
151e705c121SKalle Valo if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) ==
152e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_ENC_ERR)
153e705c121SKalle Valo return 0;
154e705c121SKalle Valo
155e705c121SKalle Valo switch (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) {
156e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_CCM_ENC:
157e705c121SKalle Valo /* alg is CCM: check MIC only */
158e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK))
159e705c121SKalle Valo return -1;
160e705c121SKalle Valo
161e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED;
162e705c121SKalle Valo *crypt_len = IEEE80211_CCMP_HDR_LEN;
163e705c121SKalle Valo return 0;
164e705c121SKalle Valo
165e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_TKIP_ENC:
166e705c121SKalle Valo /* Don't drop the frame and decrypt it in SW */
16757df3839SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa,
16857df3839SSara Sharon IWL_UCODE_TLV_API_DEPRECATE_TTAK) &&
16957df3839SSara Sharon !(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK))
170e705c121SKalle Valo return 0;
171e705c121SKalle Valo *crypt_len = IEEE80211_TKIP_IV_LEN;
1725a2abdcaSGustavo A. R. Silva fallthrough;
173e705c121SKalle Valo
174e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_WEP_ENC:
175e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_ICV_OK))
176e705c121SKalle Valo return -1;
177e705c121SKalle Valo
178e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED;
179e705c121SKalle Valo if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) ==
180e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_WEP_ENC)
181e705c121SKalle Valo *crypt_len = IEEE80211_WEP_IV_LEN;
182e705c121SKalle Valo return 0;
183e705c121SKalle Valo
184e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_EXT_ENC:
185e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK))
186e705c121SKalle Valo return -1;
187e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED;
188e705c121SKalle Valo return 0;
189e705c121SKalle Valo
190e705c121SKalle Valo default:
191baf41bc3SShaul Triebitz /* Expected in monitor (not having the keys) */
192baf41bc3SShaul Triebitz if (!mvm->monitor_on)
193876882b5SGolan Ben Ami IWL_WARN(mvm, "Unhandled alg: 0x%x\n", rx_pkt_status);
194e705c121SKalle Valo }
195e705c121SKalle Valo
196e705c121SKalle Valo return 0;
197e705c121SKalle Valo }
198e705c121SKalle Valo
iwl_mvm_rx_handle_tcm(struct iwl_mvm * mvm,struct ieee80211_sta * sta,struct ieee80211_hdr * hdr,u32 len,struct iwl_rx_phy_info * phy_info,u32 rate_n_flags)1997d9d0d56SLuca Coelho static void iwl_mvm_rx_handle_tcm(struct iwl_mvm *mvm,
2007d9d0d56SLuca Coelho struct ieee80211_sta *sta,
2017d9d0d56SLuca Coelho struct ieee80211_hdr *hdr, u32 len,
2027d9d0d56SLuca Coelho struct iwl_rx_phy_info *phy_info,
2037d9d0d56SLuca Coelho u32 rate_n_flags)
2047d9d0d56SLuca Coelho {
2057d9d0d56SLuca Coelho struct iwl_mvm_sta *mvmsta;
2067d9d0d56SLuca Coelho struct iwl_mvm_tcm_mac *mdata;
2077d9d0d56SLuca Coelho int mac;
2087d9d0d56SLuca Coelho int ac = IEEE80211_AC_BE; /* treat non-QoS as BE */
209b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif;
210b0ffe455SJohannes Berg /* expected throughput in 100Kbps, single stream, 20 MHz */
211b0ffe455SJohannes Berg static const u8 thresh_tpt[] = {
212b0ffe455SJohannes Berg 9, 18, 30, 42, 60, 78, 90, 96, 120, 135,
213b0ffe455SJohannes Berg };
214b0ffe455SJohannes Berg u16 thr;
2157d9d0d56SLuca Coelho
216aedb2b38SAnjaneyulu if (ieee80211_is_data_qos(hdr->frame_control)) {
217aedb2b38SAnjaneyulu u8 tid = ieee80211_get_tid(hdr);
218aedb2b38SAnjaneyulu
219aedb2b38SAnjaneyulu if (tid < IWL_MAX_TID_COUNT)
220aedb2b38SAnjaneyulu ac = tid_to_mac80211_ac[tid];
221aedb2b38SAnjaneyulu }
2227d9d0d56SLuca Coelho
2237d9d0d56SLuca Coelho mvmsta = iwl_mvm_sta_from_mac80211(sta);
2247d9d0d56SLuca Coelho mac = mvmsta->mac_id_n_color & FW_CTXT_ID_MSK;
2257d9d0d56SLuca Coelho
2267d9d0d56SLuca Coelho if (time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD))
2277d9d0d56SLuca Coelho schedule_delayed_work(&mvm->tcm.work, 0);
2287d9d0d56SLuca Coelho mdata = &mvm->tcm.data[mac];
2297d9d0d56SLuca Coelho mdata->rx.pkts[ac]++;
2307d9d0d56SLuca Coelho
2317d9d0d56SLuca Coelho /* count the airtime only once for each ampdu */
2327d9d0d56SLuca Coelho if (mdata->rx.last_ampdu_ref != mvm->ampdu_ref) {
2337d9d0d56SLuca Coelho mdata->rx.last_ampdu_ref = mvm->ampdu_ref;
2347d9d0d56SLuca Coelho mdata->rx.airtime += le16_to_cpu(phy_info->frame_time);
2357d9d0d56SLuca Coelho }
2367d9d0d56SLuca Coelho
23748c6ebc1SMiri Korenblit if (!(rate_n_flags & (RATE_MCS_HT_MSK_V1 | RATE_MCS_VHT_MSK_V1)))
2387d9d0d56SLuca Coelho return;
2397d9d0d56SLuca Coelho
240b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
241b0ffe455SJohannes Berg
242b0ffe455SJohannes Berg if (mdata->opened_rx_ba_sessions ||
243b0ffe455SJohannes Berg mdata->uapsd_nonagg_detect.detected ||
244650cadb7SGregory Greenman (!mvmvif->deflink.queue_params[IEEE80211_AC_VO].uapsd &&
245650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_VI].uapsd &&
246650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_BE].uapsd &&
247650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_BK].uapsd) ||
248c8ee33e1SGregory Greenman mvmsta->deflink.sta_id != mvmvif->deflink.ap_sta_id)
249b0ffe455SJohannes Berg return;
250b0ffe455SJohannes Berg
25148c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_HT_MSK_V1) {
25248c6ebc1SMiri Korenblit thr = thresh_tpt[rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK_V1];
25348c6ebc1SMiri Korenblit thr *= 1 + ((rate_n_flags & RATE_HT_MCS_NSS_MSK_V1) >>
25448c6ebc1SMiri Korenblit RATE_HT_MCS_NSS_POS_V1);
255b0ffe455SJohannes Berg } else {
256b0ffe455SJohannes Berg if (WARN_ON((rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK) >=
257b0ffe455SJohannes Berg ARRAY_SIZE(thresh_tpt)))
258b0ffe455SJohannes Berg return;
259b0ffe455SJohannes Berg thr = thresh_tpt[rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK];
260774302d2SMordechay Goodstein thr *= 1 + FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags);
261b0ffe455SJohannes Berg }
262b0ffe455SJohannes Berg
26348c6ebc1SMiri Korenblit thr <<= ((rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) >>
264b0ffe455SJohannes Berg RATE_MCS_CHAN_WIDTH_POS);
265b0ffe455SJohannes Berg
266b0ffe455SJohannes Berg mdata->uapsd_nonagg_detect.rx_bytes += len;
267b0ffe455SJohannes Berg ewma_rate_add(&mdata->uapsd_nonagg_detect.rate, thr);
2687d9d0d56SLuca Coelho }
2697d9d0d56SLuca Coelho
iwl_mvm_rx_csum(struct ieee80211_sta * sta,struct sk_buff * skb,u32 status)270e705c121SKalle Valo static void iwl_mvm_rx_csum(struct ieee80211_sta *sta,
271e705c121SKalle Valo struct sk_buff *skb,
272e705c121SKalle Valo u32 status)
273e705c121SKalle Valo {
274e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
275e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
276e705c121SKalle Valo
277e705c121SKalle Valo if (mvmvif->features & NETIF_F_RXCSUM &&
278e705c121SKalle Valo status & RX_MPDU_RES_STATUS_CSUM_DONE &&
279e705c121SKalle Valo status & RX_MPDU_RES_STATUS_CSUM_OK)
280e705c121SKalle Valo skb->ip_summed = CHECKSUM_UNNECESSARY;
281e705c121SKalle Valo }
282e705c121SKalle Valo
283e705c121SKalle Valo /*
284e705c121SKalle Valo * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler
285e705c121SKalle Valo *
286e705c121SKalle Valo * Handles the actual data of the Rx packet from the fw
287e705c121SKalle Valo */
iwl_mvm_rx_rx_mpdu(struct iwl_mvm * mvm,struct napi_struct * napi,struct iwl_rx_cmd_buffer * rxb)288e705c121SKalle Valo void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
289e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb)
290e705c121SKalle Valo {
291e705c121SKalle Valo struct ieee80211_hdr *hdr;
292e705c121SKalle Valo struct ieee80211_rx_status *rx_status;
293e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb);
294e705c121SKalle Valo struct iwl_rx_phy_info *phy_info;
295e705c121SKalle Valo struct iwl_rx_mpdu_res_start *rx_res;
296a399f980SJohannes Berg struct ieee80211_sta *sta = NULL;
297e705c121SKalle Valo struct sk_buff *skb;
298efc0ec5aSJohannes Berg u32 len, pkt_len = iwl_rx_packet_payload_len(pkt);
299e705c121SKalle Valo u32 rate_n_flags;
300e705c121SKalle Valo u32 rx_pkt_status;
301e705c121SKalle Valo u8 crypt_len = 0;
302e705c121SKalle Valo
303b8aba27cSJohannes Berg if (unlikely(pkt_len < sizeof(*rx_res))) {
304b8aba27cSJohannes Berg IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n");
305b8aba27cSJohannes Berg return;
306b8aba27cSJohannes Berg }
307b8aba27cSJohannes Berg
308e705c121SKalle Valo phy_info = &mvm->last_phy_info;
309e705c121SKalle Valo rx_res = (struct iwl_rx_mpdu_res_start *)pkt->data;
310e705c121SKalle Valo hdr = (struct ieee80211_hdr *)(pkt->data + sizeof(*rx_res));
311e705c121SKalle Valo len = le16_to_cpu(rx_res->byte_count);
312efc0ec5aSJohannes Berg
313efc0ec5aSJohannes Berg if (unlikely(len + sizeof(*rx_res) + sizeof(__le32) > pkt_len)) {
314efc0ec5aSJohannes Berg IWL_DEBUG_DROP(mvm, "FW lied about packet len\n");
315efc0ec5aSJohannes Berg return;
316efc0ec5aSJohannes Berg }
317efc0ec5aSJohannes Berg
318c5aaa8beSWang Xuerui rx_pkt_status = get_unaligned_le32((__le32 *)
319e705c121SKalle Valo (pkt->data + sizeof(*rx_res) + len));
320e705c121SKalle Valo
321e705c121SKalle Valo /* Dont use dev_alloc_skb(), we'll have enough headroom once
322e705c121SKalle Valo * ieee80211_hdr pulled.
323e705c121SKalle Valo */
324e705c121SKalle Valo skb = alloc_skb(128, GFP_ATOMIC);
325e705c121SKalle Valo if (!skb) {
326e705c121SKalle Valo IWL_ERR(mvm, "alloc_skb failed\n");
327e705c121SKalle Valo return;
328e705c121SKalle Valo }
329e705c121SKalle Valo
330e705c121SKalle Valo rx_status = IEEE80211_SKB_RXCB(skb);
331e705c121SKalle Valo
332e705c121SKalle Valo /*
333e705c121SKalle Valo * Keep packets with CRC errors (and with overrun) for monitor mode
334e705c121SKalle Valo * (otherwise the firmware discards them) but mark them as bad.
335e705c121SKalle Valo */
336e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_CRC_OK) ||
337e705c121SKalle Valo !(rx_pkt_status & RX_MPDU_RES_STATUS_OVERRUN_OK)) {
338e705c121SKalle Valo IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status);
339e705c121SKalle Valo rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
340e705c121SKalle Valo }
341e705c121SKalle Valo
342e705c121SKalle Valo /* This will be used in several places later */
343e705c121SKalle Valo rate_n_flags = le32_to_cpu(phy_info->rate_n_flags);
344e705c121SKalle Valo
345e705c121SKalle Valo /* rx_status carries information about the packet to mac80211 */
346e705c121SKalle Valo rx_status->mactime = le64_to_cpu(phy_info->timestamp);
347e705c121SKalle Valo rx_status->device_timestamp = le32_to_cpu(phy_info->system_timestamp);
348e705c121SKalle Valo rx_status->band =
349e705c121SKalle Valo (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ?
35057fbcce3SJohannes Berg NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
351e705c121SKalle Valo rx_status->freq =
352e705c121SKalle Valo ieee80211_channel_to_frequency(le16_to_cpu(phy_info->channel),
353e705c121SKalle Valo rx_status->band);
35477fe7395SSara Sharon
35577fe7395SSara Sharon /* TSF as indicated by the firmware is at INA time */
35677fe7395SSara Sharon rx_status->flag |= RX_FLAG_MACTIME_PLCP_START;
357e705c121SKalle Valo
358e705c121SKalle Valo iwl_mvm_get_signal_strength(mvm, phy_info, rx_status);
359e705c121SKalle Valo
360e705c121SKalle Valo IWL_DEBUG_STATS_LIMIT(mvm, "Rssi %d, TSF %llu\n", rx_status->signal,
361e705c121SKalle Valo (unsigned long long)rx_status->mactime);
362e705c121SKalle Valo
363e705c121SKalle Valo rcu_read_lock();
364a399f980SJohannes Berg if (rx_pkt_status & RX_MPDU_RES_STATUS_SRC_STA_FOUND) {
365a399f980SJohannes Berg u32 id = rx_pkt_status & RX_MPDU_RES_STATUS_STA_ID_MSK;
366a399f980SJohannes Berg
367a399f980SJohannes Berg id >>= RX_MDPU_RES_STATUS_STA_ID_SHIFT;
368a399f980SJohannes Berg
369be9ae34eSNathan Errera if (!WARN_ON_ONCE(id >= mvm->fw->ucode_capa.num_stations)) {
370a399f980SJohannes Berg sta = rcu_dereference(mvm->fw_id_to_mac_id[id]);
371a399f980SJohannes Berg if (IS_ERR(sta))
372a399f980SJohannes Berg sta = NULL;
373a399f980SJohannes Berg }
374a399f980SJohannes Berg } else if (!is_multicast_ether_addr(hdr->addr2)) {
375a399f980SJohannes Berg /* This is fine since we prevent two stations with the same
376a399f980SJohannes Berg * address from being added.
377e705c121SKalle Valo */
378a399f980SJohannes Berg sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
379e705c121SKalle Valo }
380e705c121SKalle Valo
381e705c121SKalle Valo if (sta) {
382e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
383147eb05fSEmmanuel Grumbach struct ieee80211_vif *vif = mvmsta->vif;
384147eb05fSEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
385147eb05fSEmmanuel Grumbach
386147eb05fSEmmanuel Grumbach /*
387147eb05fSEmmanuel Grumbach * Don't even try to decrypt a MCAST frame that was received
388147eb05fSEmmanuel Grumbach * before the managed vif is authorized, we'd fail anyway.
389147eb05fSEmmanuel Grumbach */
3908e5a2636SAyala Beker if (is_multicast_ether_addr(hdr->addr1) &&
3918e5a2636SAyala Beker vif->type == NL80211_IFTYPE_STATION &&
392147eb05fSEmmanuel Grumbach !mvmvif->authorized &&
3938e5a2636SAyala Beker ieee80211_has_protected(hdr->frame_control)) {
394147eb05fSEmmanuel Grumbach IWL_DEBUG_DROP(mvm, "MCAST before the vif is authorized\n");
395147eb05fSEmmanuel Grumbach kfree_skb(skb);
396147eb05fSEmmanuel Grumbach rcu_read_unlock();
397147eb05fSEmmanuel Grumbach return;
398147eb05fSEmmanuel Grumbach }
399147eb05fSEmmanuel Grumbach }
400147eb05fSEmmanuel Grumbach
401147eb05fSEmmanuel Grumbach /*
402147eb05fSEmmanuel Grumbach * drop the packet if it has failed being decrypted by HW
403147eb05fSEmmanuel Grumbach */
404147eb05fSEmmanuel Grumbach if (iwl_mvm_set_mac80211_rx_flag(mvm, hdr, rx_status, rx_pkt_status,
405147eb05fSEmmanuel Grumbach &crypt_len)) {
406147eb05fSEmmanuel Grumbach IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n",
407147eb05fSEmmanuel Grumbach rx_pkt_status);
408147eb05fSEmmanuel Grumbach kfree_skb(skb);
409147eb05fSEmmanuel Grumbach rcu_read_unlock();
410147eb05fSEmmanuel Grumbach return;
411147eb05fSEmmanuel Grumbach }
412147eb05fSEmmanuel Grumbach
413147eb05fSEmmanuel Grumbach if (sta) {
414147eb05fSEmmanuel Grumbach struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
415d3a108a4SAndrei Otcheretianski struct ieee80211_vif *tx_blocked_vif =
416d3a108a4SAndrei Otcheretianski rcu_dereference(mvm->csa_tx_blocked_vif);
4176c042d75SSara Sharon struct iwl_fw_dbg_trigger_tlv *trig;
4186c042d75SSara Sharon struct ieee80211_vif *vif = mvmsta->vif;
419e705c121SKalle Valo
420a399f980SJohannes Berg /* We have tx blocked stations (with CS bit). If we heard
421a399f980SJohannes Berg * frames from a blocked station on a new channel we can
422a399f980SJohannes Berg * TX to it again.
423a399f980SJohannes Berg */
4246c042d75SSara Sharon if (unlikely(tx_blocked_vif) && vif == tx_blocked_vif) {
425d3a108a4SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif =
426d3a108a4SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(tx_blocked_vif);
427d3a108a4SAndrei Otcheretianski
428d3a108a4SAndrei Otcheretianski if (mvmvif->csa_target_freq == rx_status->freq)
429d3a108a4SAndrei Otcheretianski iwl_mvm_sta_modify_disable_tx_ap(mvm, sta,
430d3a108a4SAndrei Otcheretianski false);
431d3a108a4SAndrei Otcheretianski }
432a399f980SJohannes Berg
433ecaf71deSGregory Greenman rs_update_last_rssi(mvm, mvmsta, rx_status);
434e705c121SKalle Valo
4356c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt,
4366c042d75SSara Sharon ieee80211_vif_to_wdev(vif),
4376c042d75SSara Sharon FW_DBG_TRIGGER_RSSI);
4386c042d75SSara Sharon
4396c042d75SSara Sharon if (trig && ieee80211_is_beacon(hdr->frame_control)) {
440e705c121SKalle Valo struct iwl_fw_dbg_trigger_low_rssi *rssi_trig;
441e705c121SKalle Valo s32 rssi;
442e705c121SKalle Valo
443e705c121SKalle Valo rssi_trig = (void *)trig->data;
444e705c121SKalle Valo rssi = le32_to_cpu(rssi_trig->rssi);
445e705c121SKalle Valo
4466c042d75SSara Sharon if (rx_status->signal < rssi)
4477174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
4487174beb6SJohannes Berg NULL);
449e705c121SKalle Valo }
450e705c121SKalle Valo
4517d9d0d56SLuca Coelho if (!mvm->tcm.paused && len >= sizeof(*hdr) &&
4527d9d0d56SLuca Coelho !is_multicast_ether_addr(hdr->addr1) &&
4537d9d0d56SLuca Coelho ieee80211_is_data(hdr->frame_control))
4547d9d0d56SLuca Coelho iwl_mvm_rx_handle_tcm(mvm, sta, hdr, len, phy_info,
4557d9d0d56SLuca Coelho rate_n_flags);
4567d9d0d56SLuca Coelho
457a399f980SJohannes Berg if (ieee80211_is_data(hdr->frame_control))
458e705c121SKalle Valo iwl_mvm_rx_csum(sta, skb, rx_pkt_status);
459a399f980SJohannes Berg }
460e705c121SKalle Valo rcu_read_unlock();
461e705c121SKalle Valo
462e705c121SKalle Valo /* set the preamble flag if appropriate */
463e705c121SKalle Valo if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE))
4647fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
465e705c121SKalle Valo
466e705c121SKalle Valo if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) {
467e705c121SKalle Valo /*
468e705c121SKalle Valo * We know which subframes of an A-MPDU belong
469e705c121SKalle Valo * together since we get a single PHY response
470e705c121SKalle Valo * from the firmware for all of them
471e705c121SKalle Valo */
472e705c121SKalle Valo rx_status->flag |= RX_FLAG_AMPDU_DETAILS;
473e705c121SKalle Valo rx_status->ampdu_reference = mvm->ampdu_ref;
474e705c121SKalle Valo }
475e705c121SKalle Valo
476e705c121SKalle Valo /* Set up the HT phy flags */
47748c6ebc1SMiri Korenblit switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) {
478e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_20:
479e705c121SKalle Valo break;
480e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_40:
481da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_40;
482e705c121SKalle Valo break;
483e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_80:
484da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_80;
485e705c121SKalle Valo break;
486e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_160:
487da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_160;
488e705c121SKalle Valo break;
489e705c121SKalle Valo }
49048c6ebc1SMiri Korenblit if (!(rate_n_flags & RATE_MCS_CCK_MSK_V1) &&
49148c6ebc1SMiri Korenblit rate_n_flags & RATE_MCS_SGI_MSK_V1)
4927fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
493e705c121SKalle Valo if (rate_n_flags & RATE_HT_MCS_GF_MSK)
4947fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_HT_GF;
49548c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_LDPC_MSK_V1)
4967fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_LDPC;
49748c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_HT_MSK_V1) {
49877e40945SSara Sharon u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
499e705c121SKalle Valo RATE_MCS_STBC_POS;
500da6a4352SJohannes Berg rx_status->encoding = RX_ENC_HT;
50148c6ebc1SMiri Korenblit rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK_V1;
5027fdd69c5SJohannes Berg rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
50348c6ebc1SMiri Korenblit } else if (rate_n_flags & RATE_MCS_VHT_MSK_V1) {
50477e40945SSara Sharon u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
505e705c121SKalle Valo RATE_MCS_STBC_POS;
5068613c948SJohannes Berg rx_status->nss =
507774302d2SMordechay Goodstein FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags) + 1;
508e705c121SKalle Valo rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
509da6a4352SJohannes Berg rx_status->encoding = RX_ENC_VHT;
5107fdd69c5SJohannes Berg rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT;
511e705c121SKalle Valo if (rate_n_flags & RATE_MCS_BF_MSK)
5127fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_BF;
513e705c121SKalle Valo } else {
514cb2de6bbSSara Sharon int rate = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags,
515e705c121SKalle Valo rx_status->band);
516cb2de6bbSSara Sharon
517cb2de6bbSSara Sharon if (WARN(rate < 0 || rate > 0xFF,
518cb2de6bbSSara Sharon "Invalid rate flags 0x%x, band %d,\n",
519cb2de6bbSSara Sharon rate_n_flags, rx_status->band)) {
520cb2de6bbSSara Sharon kfree_skb(skb);
521cb2de6bbSSara Sharon return;
522cb2de6bbSSara Sharon }
523cb2de6bbSSara Sharon rx_status->rate_idx = rate;
524e705c121SKalle Valo }
525e705c121SKalle Valo
526e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS
527e705c121SKalle Valo iwl_mvm_update_frame_stats(mvm, rate_n_flags,
528e705c121SKalle Valo rx_status->flag & RX_FLAG_AMPDU_DETAILS);
529e705c121SKalle Valo #endif
530a339e918SLuca Coelho
531a339e918SLuca Coelho if (unlikely((ieee80211_is_beacon(hdr->frame_control) ||
532a339e918SLuca Coelho ieee80211_is_probe_resp(hdr->frame_control)) &&
533a339e918SLuca Coelho mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED))
534a339e918SLuca Coelho mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND;
535a339e918SLuca Coelho
53643ec72b7SJohannes Berg if (unlikely(ieee80211_is_beacon(hdr->frame_control) ||
53743ec72b7SJohannes Berg ieee80211_is_probe_resp(hdr->frame_control)))
5389285ec4cSJason A. Donenfeld rx_status->boottime_ns = ktime_get_boottime_ns();
53943ec72b7SJohannes Berg
54043ec72b7SJohannes Berg iwl_mvm_pass_packet_to_mac80211(mvm, sta, napi, skb, hdr, len,
541bdbc58abSDan Carpenter crypt_len, rxb);
542e705c121SKalle Valo }
543e705c121SKalle Valo
544e705c121SKalle Valo struct iwl_mvm_stat_data {
545e705c121SKalle Valo struct iwl_mvm *mvm;
546290d5e49SMordechay Goodstein __le32 flags;
547e705c121SKalle Valo __le32 mac_id;
548e705c121SKalle Valo u8 beacon_filter_average_energy;
549853f4954SMordechay Goodstein __le32 *beacon_counter;
550853f4954SMordechay Goodstein u8 *beacon_average_energy;
551e705c121SKalle Valo };
552e705c121SKalle Valo
5536324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs {
5546324c173SMordechay Goodstein struct iwl_mvm *mvm;
5556324c173SMordechay Goodstein __le32 flags;
556b6e3d1baSAnjaneyulu struct iwl_stats_ntfy_per_mac *per_mac;
5576324c173SMordechay Goodstein };
5586324c173SMordechay Goodstein
iwl_mvm_update_link_sig(struct ieee80211_vif * vif,int sig,struct iwl_mvm_vif_link_info * link_info,struct ieee80211_bss_conf * bss_conf)55930ce0390SMiri Korenblit static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig,
56028e02bc9SJohannes Berg struct iwl_mvm_vif_link_info *link_info,
56128e02bc9SJohannes Berg struct ieee80211_bss_conf *bss_conf)
562e705c121SKalle Valo {
563c1e458b9SIlan Peer struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(vif)->mvm;
564c1e458b9SIlan Peer int thold = bss_conf->cqm_rssi_thold;
565c1e458b9SIlan Peer int hyst = bss_conf->cqm_rssi_hyst;
5666324c173SMordechay Goodstein int last_event;
56730ce0390SMiri Korenblit s8 exit_esr_thresh;
568e705c121SKalle Valo
569e705c121SKalle Valo if (sig == 0) {
570e705c121SKalle Valo IWL_DEBUG_RX(mvm, "RSSI is 0 - skip signal based decision\n");
571e705c121SKalle Valo return;
572e705c121SKalle Valo }
573e705c121SKalle Valo
574c1e458b9SIlan Peer link_info->bf_data.ave_beacon_signal = sig;
575e705c121SKalle Valo
576e705c121SKalle Valo /* BT Coex */
577c1e458b9SIlan Peer if (link_info->bf_data.bt_coex_min_thold !=
578c1e458b9SIlan Peer link_info->bf_data.bt_coex_max_thold) {
579c1e458b9SIlan Peer last_event = link_info->bf_data.last_bt_coex_event;
580c1e458b9SIlan Peer if (sig > link_info->bf_data.bt_coex_max_thold &&
581c1e458b9SIlan Peer (last_event <= link_info->bf_data.bt_coex_min_thold ||
582e705c121SKalle Valo last_event == 0)) {
583c1e458b9SIlan Peer link_info->bf_data.last_bt_coex_event = sig;
584e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator bt coex high %d\n",
585e705c121SKalle Valo sig);
586e705c121SKalle Valo iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_HIGH);
587c1e458b9SIlan Peer } else if (sig < link_info->bf_data.bt_coex_min_thold &&
588c1e458b9SIlan Peer (last_event >= link_info->bf_data.bt_coex_max_thold ||
589e705c121SKalle Valo last_event == 0)) {
590c1e458b9SIlan Peer link_info->bf_data.last_bt_coex_event = sig;
591e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator bt coex low %d\n",
592e705c121SKalle Valo sig);
593e705c121SKalle Valo iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_LOW);
594e705c121SKalle Valo }
595e705c121SKalle Valo }
596e705c121SKalle Valo
597e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
598e705c121SKalle Valo return;
599e705c121SKalle Valo
600e705c121SKalle Valo /* CQM Notification */
601c1e458b9SIlan Peer last_event = link_info->bf_data.last_cqm_event;
602e705c121SKalle Valo if (thold && sig < thold && (last_event == 0 ||
603e705c121SKalle Valo sig < last_event - hyst)) {
604c1e458b9SIlan Peer link_info->bf_data.last_cqm_event = sig;
605e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator cqm low %d\n",
606e705c121SKalle Valo sig);
607e705c121SKalle Valo ieee80211_cqm_rssi_notify(
608e705c121SKalle Valo vif,
609e705c121SKalle Valo NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW,
610769f07d8SAndrzej Zaborowski sig,
611e705c121SKalle Valo GFP_KERNEL);
612e705c121SKalle Valo } else if (sig > thold &&
613e705c121SKalle Valo (last_event == 0 || sig > last_event + hyst)) {
614c1e458b9SIlan Peer link_info->bf_data.last_cqm_event = sig;
615e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator cqm high %d\n",
616e705c121SKalle Valo sig);
617e705c121SKalle Valo ieee80211_cqm_rssi_notify(
618e705c121SKalle Valo vif,
619e705c121SKalle Valo NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH,
620769f07d8SAndrzej Zaborowski sig,
621e705c121SKalle Valo GFP_KERNEL);
622e705c121SKalle Valo }
62330ce0390SMiri Korenblit
62430ce0390SMiri Korenblit /* ESR recalculation */
62530ce0390SMiri Korenblit if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif))
62630ce0390SMiri Korenblit return;
62730ce0390SMiri Korenblit
62830ce0390SMiri Korenblit exit_esr_thresh =
62930ce0390SMiri Korenblit iwl_mvm_get_esr_rssi_thresh(mvm,
63030ce0390SMiri Korenblit &bss_conf->chanreq.oper,
63130ce0390SMiri Korenblit true);
63230ce0390SMiri Korenblit
63330ce0390SMiri Korenblit if (sig < exit_esr_thresh)
63430ce0390SMiri Korenblit iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_LOW_RSSI,
63530ce0390SMiri Korenblit iwl_mvm_get_other_link(vif,
63630ce0390SMiri Korenblit bss_conf->link_id));
637e705c121SKalle Valo }
638e705c121SKalle Valo
iwl_mvm_stat_iterator(void * _data,u8 * mac,struct ieee80211_vif * vif)6396324c173SMordechay Goodstein static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
6406324c173SMordechay Goodstein struct ieee80211_vif *vif)
6416324c173SMordechay Goodstein {
6426324c173SMordechay Goodstein struct iwl_mvm_stat_data *data = _data;
6436324c173SMordechay Goodstein int sig = -data->beacon_filter_average_energy;
6446324c173SMordechay Goodstein u16 id = le32_to_cpu(data->mac_id);
6456324c173SMordechay Goodstein struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6466324c173SMordechay Goodstein u16 vif_id = mvmvif->id;
6476324c173SMordechay Goodstein
6486324c173SMordechay Goodstein /* This doesn't need the MAC ID check since it's not taking the
6496324c173SMordechay Goodstein * data copied into the "data" struct, but rather the data from
6506324c173SMordechay Goodstein * the notification directly.
6516324c173SMordechay Goodstein */
652650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons =
6536324c173SMordechay Goodstein le32_to_cpu(data->beacon_counter[vif_id]);
654650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal =
6556324c173SMordechay Goodstein -data->beacon_average_energy[vif_id];
6566324c173SMordechay Goodstein
6576324c173SMordechay Goodstein if (mvmvif->id != id)
6586324c173SMordechay Goodstein return;
6596324c173SMordechay Goodstein
6606324c173SMordechay Goodstein if (vif->type != NL80211_IFTYPE_STATION)
6616324c173SMordechay Goodstein return;
6626324c173SMordechay Goodstein
6636324c173SMordechay Goodstein /* make sure that beacon statistics don't go backwards with TCM
6646324c173SMordechay Goodstein * request to clear statistics
6656324c173SMordechay Goodstein */
6666324c173SMordechay Goodstein if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
667650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons +=
668650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons;
6696324c173SMordechay Goodstein
670c1e458b9SIlan Peer /* This is used in pre-MLO API so use deflink */
67128e02bc9SJohannes Berg iwl_mvm_update_link_sig(vif, sig, &mvmvif->deflink, &vif->bss_conf);
6726324c173SMordechay Goodstein }
6736324c173SMordechay Goodstein
iwl_mvm_stat_iterator_all_macs(void * _data,u8 * mac,struct ieee80211_vif * vif)6746324c173SMordechay Goodstein static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac,
6756324c173SMordechay Goodstein struct ieee80211_vif *vif)
6766324c173SMordechay Goodstein {
6776324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs *data = _data;
678b6e3d1baSAnjaneyulu struct iwl_stats_ntfy_per_mac *mac_stats;
6796324c173SMordechay Goodstein int sig;
6806324c173SMordechay Goodstein struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
6816324c173SMordechay Goodstein u16 vif_id = mvmvif->id;
6826324c173SMordechay Goodstein
683f1cbb0a8SDan Carpenter if (WARN_ONCE(vif_id >= MAC_INDEX_AUX, "invalid vif id: %d", vif_id))
6846324c173SMordechay Goodstein return;
6856324c173SMordechay Goodstein
6866324c173SMordechay Goodstein if (vif->type != NL80211_IFTYPE_STATION)
6876324c173SMordechay Goodstein return;
6886324c173SMordechay Goodstein
689b6e3d1baSAnjaneyulu mac_stats = &data->per_mac[vif_id];
6906324c173SMordechay Goodstein
691650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons =
6926324c173SMordechay Goodstein le32_to_cpu(mac_stats->beacon_counter);
693650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal =
6946324c173SMordechay Goodstein -le32_to_cpu(mac_stats->beacon_average_energy);
6956324c173SMordechay Goodstein
6966324c173SMordechay Goodstein /* make sure that beacon statistics don't go backwards with TCM
6976324c173SMordechay Goodstein * request to clear statistics
6986324c173SMordechay Goodstein */
6996324c173SMordechay Goodstein if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
700650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons +=
701650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons;
7026324c173SMordechay Goodstein
7036324c173SMordechay Goodstein sig = -le32_to_cpu(mac_stats->beacon_filter_average_energy);
704c1e458b9SIlan Peer
705c1e458b9SIlan Peer /* This is used in pre-MLO API so use deflink */
70628e02bc9SJohannes Berg iwl_mvm_update_link_sig(vif, sig, &mvmvif->deflink, &vif->bss_conf);
7076324c173SMordechay Goodstein }
7086324c173SMordechay Goodstein
709e705c121SKalle Valo static inline void
iwl_mvm_rx_stats_check_trigger(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)710e705c121SKalle Valo iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt)
711e705c121SKalle Valo {
712e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig;
713e705c121SKalle Valo struct iwl_fw_dbg_trigger_stats *trig_stats;
714e705c121SKalle Valo u32 trig_offset, trig_thold;
715e705c121SKalle Valo
7166c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_STATS);
7176c042d75SSara Sharon if (!trig)
718e705c121SKalle Valo return;
719e705c121SKalle Valo
720e705c121SKalle Valo trig_stats = (void *)trig->data;
721e705c121SKalle Valo
722e705c121SKalle Valo trig_offset = le32_to_cpu(trig_stats->stop_offset);
723e705c121SKalle Valo trig_thold = le32_to_cpu(trig_stats->stop_threshold);
724e705c121SKalle Valo
725e705c121SKalle Valo if (WARN_ON_ONCE(trig_offset >= iwl_rx_packet_payload_len(pkt)))
726e705c121SKalle Valo return;
727e705c121SKalle Valo
728e705c121SKalle Valo if (le32_to_cpup((__le32 *) (pkt->data + trig_offset)) < trig_thold)
729e705c121SKalle Valo return;
730e705c121SKalle Valo
7317174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, NULL);
732e705c121SKalle Valo }
733e705c121SKalle Valo
iwl_mvm_stats_energy_iter(void * _data,struct ieee80211_sta * sta)734c6bae216SMordechay Goodstein static void iwl_mvm_stats_energy_iter(void *_data,
735c6bae216SMordechay Goodstein struct ieee80211_sta *sta)
736853f4954SMordechay Goodstein {
737c6bae216SMordechay Goodstein struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
738c6bae216SMordechay Goodstein u8 *energy = _data;
739c8ee33e1SGregory Greenman u32 sta_id = mvmsta->deflink.sta_id;
740853f4954SMordechay Goodstein
741*b61ed2b8SMiri Korenblit if (WARN_ONCE(sta_id >= IWL_STATION_COUNT_MAX, "sta_id %d >= %d",
742*b61ed2b8SMiri Korenblit sta_id, IWL_STATION_COUNT_MAX))
743853f4954SMordechay Goodstein return;
744853f4954SMordechay Goodstein
745c6bae216SMordechay Goodstein if (energy[sta_id])
746c8ee33e1SGregory Greenman mvmsta->deflink.avg_energy = energy[sta_id];
747853f4954SMordechay Goodstein
748853f4954SMordechay Goodstein }
749853f4954SMordechay Goodstein
750853f4954SMordechay Goodstein static void
iwl_mvm_update_tcm_from_stats(struct iwl_mvm * mvm,__le32 * air_time_le,__le32 * rx_bytes_le)751853f4954SMordechay Goodstein iwl_mvm_update_tcm_from_stats(struct iwl_mvm *mvm, __le32 *air_time_le,
752853f4954SMordechay Goodstein __le32 *rx_bytes_le)
753853f4954SMordechay Goodstein {
754853f4954SMordechay Goodstein int i;
755853f4954SMordechay Goodstein
756853f4954SMordechay Goodstein spin_lock(&mvm->tcm.lock);
757853f4954SMordechay Goodstein for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) {
758853f4954SMordechay Goodstein struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[i];
759853f4954SMordechay Goodstein u32 rx_bytes = le32_to_cpu(rx_bytes_le[i]);
760853f4954SMordechay Goodstein u32 airtime = le32_to_cpu(air_time_le[i]);
761853f4954SMordechay Goodstein
762853f4954SMordechay Goodstein mdata->rx.airtime += airtime;
763853f4954SMordechay Goodstein mdata->uapsd_nonagg_detect.rx_bytes += rx_bytes;
764853f4954SMordechay Goodstein if (airtime) {
765853f4954SMordechay Goodstein /* re-init every time to store rate from FW */
766853f4954SMordechay Goodstein ewma_rate_init(&mdata->uapsd_nonagg_detect.rate);
767853f4954SMordechay Goodstein ewma_rate_add(&mdata->uapsd_nonagg_detect.rate,
768853f4954SMordechay Goodstein rx_bytes * 8 / airtime);
769853f4954SMordechay Goodstein }
770853f4954SMordechay Goodstein }
771853f4954SMordechay Goodstein spin_unlock(&mvm->tcm.lock);
772853f4954SMordechay Goodstein }
773853f4954SMordechay Goodstein
iwl_mvm_handle_per_phy_stats(struct iwl_mvm * mvm,struct iwl_stats_ntfy_per_phy * per_phy)774740dfeccSMiri Korenblit static void iwl_mvm_handle_per_phy_stats(struct iwl_mvm *mvm,
775740dfeccSMiri Korenblit struct iwl_stats_ntfy_per_phy *per_phy)
776740dfeccSMiri Korenblit {
777740dfeccSMiri Korenblit int i;
778740dfeccSMiri Korenblit
779740dfeccSMiri Korenblit for (i = 0; i < NUM_PHY_CTX; i++) {
780740dfeccSMiri Korenblit if (!mvm->phy_ctxts[i].ref)
781740dfeccSMiri Korenblit continue;
782740dfeccSMiri Korenblit mvm->phy_ctxts[i].channel_load_by_us =
783740dfeccSMiri Korenblit le32_to_cpu(per_phy[i].channel_load_by_us);
784740dfeccSMiri Korenblit }
785740dfeccSMiri Korenblit }
786740dfeccSMiri Korenblit
787853f4954SMordechay Goodstein static void
iwl_mvm_stats_ver_15(struct iwl_mvm * mvm,struct iwl_statistics_operational_ntfy * stats)7886324c173SMordechay Goodstein iwl_mvm_stats_ver_15(struct iwl_mvm *mvm,
7896324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy *stats)
7906324c173SMordechay Goodstein {
7916324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs data = {
7926324c173SMordechay Goodstein .mvm = mvm,
7936324c173SMordechay Goodstein .flags = stats->flags,
794b6e3d1baSAnjaneyulu .per_mac = stats->per_mac,
7956324c173SMordechay Goodstein };
7966324c173SMordechay Goodstein
7976324c173SMordechay Goodstein ieee80211_iterate_active_interfaces(mvm->hw,
7986324c173SMordechay Goodstein IEEE80211_IFACE_ITER_NORMAL,
7996324c173SMordechay Goodstein iwl_mvm_stat_iterator_all_macs,
8006324c173SMordechay Goodstein &data);
801740dfeccSMiri Korenblit iwl_mvm_handle_per_phy_stats(mvm, stats->per_phy);
8026324c173SMordechay Goodstein }
8036324c173SMordechay Goodstein
8046324c173SMordechay Goodstein static void
iwl_mvm_stats_ver_14(struct iwl_mvm * mvm,struct iwl_statistics_operational_ntfy_ver_14 * stats)8056324c173SMordechay Goodstein iwl_mvm_stats_ver_14(struct iwl_mvm *mvm,
8066324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy_ver_14 *stats)
807853f4954SMordechay Goodstein {
808853f4954SMordechay Goodstein struct iwl_mvm_stat_data data = {
809853f4954SMordechay Goodstein .mvm = mvm,
810853f4954SMordechay Goodstein };
8116324c173SMordechay Goodstein
812853f4954SMordechay Goodstein u8 beacon_average_energy[MAC_INDEX_AUX];
813853f4954SMordechay Goodstein __le32 flags;
814853f4954SMordechay Goodstein int i;
815853f4954SMordechay Goodstein
816853f4954SMordechay Goodstein flags = stats->flags;
817853f4954SMordechay Goodstein
818853f4954SMordechay Goodstein data.mac_id = stats->mac_id;
819853f4954SMordechay Goodstein data.beacon_filter_average_energy =
820853f4954SMordechay Goodstein le32_to_cpu(stats->beacon_filter_average_energy);
821853f4954SMordechay Goodstein data.flags = flags;
822853f4954SMordechay Goodstein data.beacon_counter = stats->beacon_counter;
8236324c173SMordechay Goodstein
824853f4954SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(beacon_average_energy); i++)
825853f4954SMordechay Goodstein beacon_average_energy[i] =
826853f4954SMordechay Goodstein le32_to_cpu(stats->beacon_average_energy[i]);
827853f4954SMordechay Goodstein
828853f4954SMordechay Goodstein data.beacon_average_energy = beacon_average_energy;
829853f4954SMordechay Goodstein
830853f4954SMordechay Goodstein ieee80211_iterate_active_interfaces(mvm->hw,
831853f4954SMordechay Goodstein IEEE80211_IFACE_ITER_NORMAL,
832853f4954SMordechay Goodstein iwl_mvm_stat_iterator,
833853f4954SMordechay Goodstein &data);
8346324c173SMordechay Goodstein }
8356324c173SMordechay Goodstein
iwl_mvm_verify_stats_len(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt,u32 expected_size)8366324c173SMordechay Goodstein static bool iwl_mvm_verify_stats_len(struct iwl_mvm *mvm,
8376324c173SMordechay Goodstein struct iwl_rx_packet *pkt,
8386324c173SMordechay Goodstein u32 expected_size)
8396324c173SMordechay Goodstein {
8406324c173SMordechay Goodstein struct iwl_statistics_ntfy_hdr *hdr;
8416324c173SMordechay Goodstein
8426324c173SMordechay Goodstein if (WARN_ONCE(iwl_rx_packet_payload_len(pkt) < expected_size,
8436324c173SMordechay Goodstein "received invalid statistics size (%d)!, expected_size: %d\n",
8446324c173SMordechay Goodstein iwl_rx_packet_payload_len(pkt), expected_size))
8456324c173SMordechay Goodstein return false;
8466324c173SMordechay Goodstein
8476324c173SMordechay Goodstein hdr = (void *)&pkt->data;
8486324c173SMordechay Goodstein
8496324c173SMordechay Goodstein if (WARN_ONCE((hdr->type & IWL_STATISTICS_TYPE_MSK) != FW_STATISTICS_OPERATIONAL ||
8506324c173SMordechay Goodstein hdr->version !=
8516324c173SMordechay Goodstein iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, STATISTICS_NOTIFICATION, 0),
8526324c173SMordechay Goodstein "received unsupported hdr type %d, version %d\n",
8536324c173SMordechay Goodstein hdr->type, hdr->version))
8546324c173SMordechay Goodstein return false;
8556324c173SMordechay Goodstein
8566324c173SMordechay Goodstein if (WARN_ONCE(le16_to_cpu(hdr->size) != expected_size,
8576324c173SMordechay Goodstein "received invalid statistics size in header (%d)!, expected_size: %d\n",
8586324c173SMordechay Goodstein le16_to_cpu(hdr->size), expected_size))
8596324c173SMordechay Goodstein return false;
8606324c173SMordechay Goodstein
8616324c173SMordechay Goodstein return true;
8626324c173SMordechay Goodstein }
8636324c173SMordechay Goodstein
8646324c173SMordechay Goodstein static void
iwl_mvm_stat_iterator_all_links(struct iwl_mvm * mvm,struct iwl_stats_ntfy_per_link * per_link)865b6e3d1baSAnjaneyulu iwl_mvm_stat_iterator_all_links(struct iwl_mvm *mvm,
866b6e3d1baSAnjaneyulu struct iwl_stats_ntfy_per_link *per_link)
867b6e3d1baSAnjaneyulu {
868b6e3d1baSAnjaneyulu u32 air_time[MAC_INDEX_AUX] = {};
869b6e3d1baSAnjaneyulu u32 rx_bytes[MAC_INDEX_AUX] = {};
870b6e3d1baSAnjaneyulu int fw_link_id;
871b6e3d1baSAnjaneyulu
872b6e3d1baSAnjaneyulu for (fw_link_id = 0; fw_link_id < ARRAY_SIZE(mvm->link_id_to_link_conf);
873b6e3d1baSAnjaneyulu fw_link_id++) {
874b6e3d1baSAnjaneyulu struct iwl_stats_ntfy_per_link *link_stats;
875b6e3d1baSAnjaneyulu struct ieee80211_bss_conf *bss_conf;
876b6e3d1baSAnjaneyulu struct iwl_mvm_vif *mvmvif;
87710159a45SMiri Korenblit struct iwl_mvm_vif_link_info *link_info;
878b6e3d1baSAnjaneyulu int link_id;
879b6e3d1baSAnjaneyulu int sig;
880b6e3d1baSAnjaneyulu
881b6e3d1baSAnjaneyulu bss_conf = iwl_mvm_rcu_fw_link_id_to_link_conf(mvm, fw_link_id,
882b6e3d1baSAnjaneyulu false);
883b6e3d1baSAnjaneyulu if (!bss_conf)
884b6e3d1baSAnjaneyulu continue;
885b6e3d1baSAnjaneyulu
886b6e3d1baSAnjaneyulu if (bss_conf->vif->type != NL80211_IFTYPE_STATION)
887b6e3d1baSAnjaneyulu continue;
888b6e3d1baSAnjaneyulu
889b6e3d1baSAnjaneyulu link_id = bss_conf->link_id;
890b6e3d1baSAnjaneyulu if (link_id >= ARRAY_SIZE(mvmvif->link))
891b6e3d1baSAnjaneyulu continue;
892b6e3d1baSAnjaneyulu
893b6e3d1baSAnjaneyulu mvmvif = iwl_mvm_vif_from_mac80211(bss_conf->vif);
89410159a45SMiri Korenblit link_info = mvmvif->link[link_id];
89510159a45SMiri Korenblit if (!link_info)
896b6e3d1baSAnjaneyulu continue;
897b6e3d1baSAnjaneyulu
898b6e3d1baSAnjaneyulu link_stats = &per_link[fw_link_id];
899b6e3d1baSAnjaneyulu
90010159a45SMiri Korenblit link_info->beacon_stats.num_beacons =
901b6e3d1baSAnjaneyulu le32_to_cpu(link_stats->beacon_counter);
902b6e3d1baSAnjaneyulu
903b6e3d1baSAnjaneyulu /* we basically just use the u8 to store 8 bits and then treat
904b6e3d1baSAnjaneyulu * it as a s8 whenever we take it out to a different type.
905b6e3d1baSAnjaneyulu */
90610159a45SMiri Korenblit link_info->beacon_stats.avg_signal =
907b6e3d1baSAnjaneyulu -le32_to_cpu(link_stats->beacon_average_energy);
908b6e3d1baSAnjaneyulu
90910159a45SMiri Korenblit if (link_info->phy_ctxt &&
91010159a45SMiri Korenblit link_info->phy_ctxt->channel->band == NL80211_BAND_2GHZ)
9119c692112SMiri Korenblit iwl_mvm_bt_coex_update_link_esr(mvm, bss_conf->vif,
91210159a45SMiri Korenblit link_id);
91310159a45SMiri Korenblit
914b6e3d1baSAnjaneyulu /* make sure that beacon statistics don't go backwards with TCM
915b6e3d1baSAnjaneyulu * request to clear statistics
916b6e3d1baSAnjaneyulu */
917b6e3d1baSAnjaneyulu if (mvm->statistics_clear)
918b6e3d1baSAnjaneyulu mvmvif->link[link_id]->beacon_stats.accu_num_beacons +=
919b6e3d1baSAnjaneyulu mvmvif->link[link_id]->beacon_stats.num_beacons;
920b6e3d1baSAnjaneyulu
921b6e3d1baSAnjaneyulu sig = -le32_to_cpu(link_stats->beacon_filter_average_energy);
92228e02bc9SJohannes Berg iwl_mvm_update_link_sig(bss_conf->vif, sig, link_info,
92328e02bc9SJohannes Berg bss_conf);
924b6e3d1baSAnjaneyulu
925b6e3d1baSAnjaneyulu if (WARN_ONCE(mvmvif->id >= MAC_INDEX_AUX,
926b6e3d1baSAnjaneyulu "invalid mvmvif id: %d", mvmvif->id))
927b6e3d1baSAnjaneyulu continue;
928b6e3d1baSAnjaneyulu
929b6e3d1baSAnjaneyulu air_time[mvmvif->id] +=
930b6e3d1baSAnjaneyulu le32_to_cpu(per_link[fw_link_id].air_time);
931b6e3d1baSAnjaneyulu rx_bytes[mvmvif->id] +=
932b6e3d1baSAnjaneyulu le32_to_cpu(per_link[fw_link_id].rx_bytes);
933b6e3d1baSAnjaneyulu }
934b6e3d1baSAnjaneyulu
935b6e3d1baSAnjaneyulu /* Don't update in case the statistics are not cleared, since
936b6e3d1baSAnjaneyulu * we will end up counting twice the same airtime, once in TCM
937b6e3d1baSAnjaneyulu * request and once in statistics notification.
938b6e3d1baSAnjaneyulu */
939b6e3d1baSAnjaneyulu if (mvm->statistics_clear) {
940b6e3d1baSAnjaneyulu __le32 air_time_le[MAC_INDEX_AUX];
941b6e3d1baSAnjaneyulu __le32 rx_bytes_le[MAC_INDEX_AUX];
942b6e3d1baSAnjaneyulu int vif_id;
943b6e3d1baSAnjaneyulu
944b6e3d1baSAnjaneyulu for (vif_id = 0; vif_id < ARRAY_SIZE(air_time_le); vif_id++) {
945b6e3d1baSAnjaneyulu air_time_le[vif_id] = cpu_to_le32(air_time[vif_id]);
946b6e3d1baSAnjaneyulu rx_bytes_le[vif_id] = cpu_to_le32(rx_bytes[vif_id]);
947b6e3d1baSAnjaneyulu }
948b6e3d1baSAnjaneyulu
949b6e3d1baSAnjaneyulu iwl_mvm_update_tcm_from_stats(mvm, air_time_le, rx_bytes_le);
950b6e3d1baSAnjaneyulu }
951b6e3d1baSAnjaneyulu }
952b6e3d1baSAnjaneyulu
953df966c93SMiri Korenblit #define SEC_LINK_MIN_PERC 10
954df966c93SMiri Korenblit #define SEC_LINK_MIN_TX 3000
955df966c93SMiri Korenblit #define SEC_LINK_MIN_RX 400
956df966c93SMiri Korenblit
iwl_mvm_update_esr_mode_tpt(struct iwl_mvm * mvm)957ec0d43d2SMiri Korenblit static void iwl_mvm_update_esr_mode_tpt(struct iwl_mvm *mvm)
958ec0d43d2SMiri Korenblit {
959ec0d43d2SMiri Korenblit struct ieee80211_vif *bss_vif = iwl_mvm_get_bss_vif(mvm);
960ec0d43d2SMiri Korenblit struct iwl_mvm_vif *mvmvif;
961ec0d43d2SMiri Korenblit struct iwl_mvm_sta *mvmsta;
962ec0d43d2SMiri Korenblit unsigned long total_tx = 0, total_rx = 0;
963df966c93SMiri Korenblit unsigned long sec_link_tx = 0, sec_link_rx = 0;
964df966c93SMiri Korenblit u8 sec_link_tx_perc, sec_link_rx_perc;
965df966c93SMiri Korenblit u8 sec_link;
966ec0d43d2SMiri Korenblit
967ec0d43d2SMiri Korenblit lockdep_assert_held(&mvm->mutex);
968ec0d43d2SMiri Korenblit
9694130c67cSMiri Korenblit if (IS_ERR_OR_NULL(bss_vif))
970ec0d43d2SMiri Korenblit return;
971ec0d43d2SMiri Korenblit
972ec0d43d2SMiri Korenblit mvmvif = iwl_mvm_vif_from_mac80211(bss_vif);
973ec0d43d2SMiri Korenblit
974ec0d43d2SMiri Korenblit if (!mvmvif->esr_active || !mvmvif->ap_sta)
975ec0d43d2SMiri Korenblit return;
976ec0d43d2SMiri Korenblit
977ec0d43d2SMiri Korenblit mvmsta = iwl_mvm_sta_from_mac80211(mvmvif->ap_sta);
978ec0d43d2SMiri Korenblit /* We only count for the AP sta in a MLO connection */
979ec0d43d2SMiri Korenblit if (!mvmsta->mpdu_counters)
980ec0d43d2SMiri Korenblit return;
981ec0d43d2SMiri Korenblit
982df966c93SMiri Korenblit /* Get the FW ID of the secondary link */
983df966c93SMiri Korenblit sec_link = iwl_mvm_get_other_link(bss_vif,
984df966c93SMiri Korenblit iwl_mvm_get_primary_link(bss_vif));
985df966c93SMiri Korenblit if (WARN_ON(!mvmvif->link[sec_link]))
986df966c93SMiri Korenblit return;
987df966c93SMiri Korenblit sec_link = mvmvif->link[sec_link]->fw_link_id;
988df966c93SMiri Korenblit
989ec0d43d2SMiri Korenblit /* Sum up RX and TX MPDUs from the different queues/links */
990ec0d43d2SMiri Korenblit for (int q = 0; q < mvm->trans->num_rx_queues; q++) {
991ec0d43d2SMiri Korenblit spin_lock_bh(&mvmsta->mpdu_counters[q].lock);
992ec0d43d2SMiri Korenblit
993ec0d43d2SMiri Korenblit /* The link IDs that doesn't exist will contain 0 */
994cb2b6ce8SMiri Korenblit for (int link = 0; link < IWL_FW_MAX_LINK_ID; link++) {
995ec0d43d2SMiri Korenblit total_tx += mvmsta->mpdu_counters[q].per_link[link].tx;
996ec0d43d2SMiri Korenblit total_rx += mvmsta->mpdu_counters[q].per_link[link].rx;
997ec0d43d2SMiri Korenblit }
998df966c93SMiri Korenblit
999df966c93SMiri Korenblit sec_link_tx += mvmsta->mpdu_counters[q].per_link[sec_link].tx;
1000df966c93SMiri Korenblit sec_link_rx += mvmsta->mpdu_counters[q].per_link[sec_link].rx;
1001df966c93SMiri Korenblit
1002ec0d43d2SMiri Korenblit /*
1003ec0d43d2SMiri Korenblit * In EMLSR we have statistics every 5 seconds, so we can reset
1004ec0d43d2SMiri Korenblit * the counters upon every statistics notification.
1005ec0d43d2SMiri Korenblit */
1006ec0d43d2SMiri Korenblit memset(mvmsta->mpdu_counters[q].per_link, 0,
1007ec0d43d2SMiri Korenblit sizeof(mvmsta->mpdu_counters[q].per_link));
1008ec0d43d2SMiri Korenblit
1009ec0d43d2SMiri Korenblit spin_unlock_bh(&mvmsta->mpdu_counters[q].lock);
1010ec0d43d2SMiri Korenblit }
1011ec0d43d2SMiri Korenblit
101236a95e9cSMiri Korenblit IWL_DEBUG_INFO(mvm, "total Tx MPDUs: %ld. total Rx MPDUs: %ld\n",
10136958c4beSMiri Korenblit total_tx, total_rx);
10146958c4beSMiri Korenblit
1015ec0d43d2SMiri Korenblit /* If we don't have enough MPDUs - exit EMLSR */
1016ec0d43d2SMiri Korenblit if (total_tx < IWL_MVM_ENTER_ESR_TPT_THRESH &&
1017df966c93SMiri Korenblit total_rx < IWL_MVM_ENTER_ESR_TPT_THRESH) {
1018ec0d43d2SMiri Korenblit iwl_mvm_block_esr(mvm, bss_vif, IWL_MVM_ESR_BLOCKED_TPT,
1019ec0d43d2SMiri Korenblit iwl_mvm_get_primary_link(bss_vif));
1020df966c93SMiri Korenblit return;
1021df966c93SMiri Korenblit }
1022df966c93SMiri Korenblit
102336a95e9cSMiri Korenblit IWL_DEBUG_INFO(mvm, "Secondary Link %d: Tx MPDUs: %ld. Rx MPDUs: %ld\n",
102436a95e9cSMiri Korenblit sec_link, sec_link_tx, sec_link_rx);
102536a95e9cSMiri Korenblit
1026df966c93SMiri Korenblit /* Calculate the percentage of the secondary link TX/RX */
1027df966c93SMiri Korenblit sec_link_tx_perc = total_tx ? sec_link_tx * 100 / total_tx : 0;
1028df966c93SMiri Korenblit sec_link_rx_perc = total_rx ? sec_link_rx * 100 / total_rx : 0;
1029df966c93SMiri Korenblit
1030df966c93SMiri Korenblit /*
1031df966c93SMiri Korenblit * The TX/RX percentage is checked only if it exceeds the required
1032df966c93SMiri Korenblit * minimum. In addition, RX is checked only if the TX check failed.
1033df966c93SMiri Korenblit */
1034df966c93SMiri Korenblit if ((total_tx > SEC_LINK_MIN_TX &&
1035df966c93SMiri Korenblit sec_link_tx_perc < SEC_LINK_MIN_PERC) ||
1036df966c93SMiri Korenblit (total_rx > SEC_LINK_MIN_RX &&
1037df966c93SMiri Korenblit sec_link_rx_perc < SEC_LINK_MIN_PERC))
1038df966c93SMiri Korenblit iwl_mvm_exit_esr(mvm, bss_vif, IWL_MVM_ESR_EXIT_LINK_USAGE,
1039df966c93SMiri Korenblit iwl_mvm_get_primary_link(bss_vif));
1040ec0d43d2SMiri Korenblit }
1041ec0d43d2SMiri Korenblit
iwl_mvm_handle_rx_system_oper_stats(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1042b6e3d1baSAnjaneyulu void iwl_mvm_handle_rx_system_oper_stats(struct iwl_mvm *mvm,
1043b6e3d1baSAnjaneyulu struct iwl_rx_cmd_buffer *rxb)
1044b6e3d1baSAnjaneyulu {
1045*b61ed2b8SMiri Korenblit u8 average_energy[IWL_STATION_COUNT_MAX];
1046b6e3d1baSAnjaneyulu struct iwl_rx_packet *pkt = rxb_addr(rxb);
1047b6e3d1baSAnjaneyulu struct iwl_system_statistics_notif_oper *stats;
1048b6e3d1baSAnjaneyulu int i;
1049b6e3d1baSAnjaneyulu u32 notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, STATISTICS_GROUP,
1050b6e3d1baSAnjaneyulu STATISTICS_OPER_NOTIF, 0);
1051b6e3d1baSAnjaneyulu
1052b6e3d1baSAnjaneyulu if (notif_ver != 3) {
1053b6e3d1baSAnjaneyulu IWL_FW_CHECK_FAILED(mvm,
1054b6e3d1baSAnjaneyulu "Oper stats notif ver %d is not supported\n",
1055b6e3d1baSAnjaneyulu notif_ver);
1056b6e3d1baSAnjaneyulu return;
1057b6e3d1baSAnjaneyulu }
1058b6e3d1baSAnjaneyulu
1059b6e3d1baSAnjaneyulu stats = (void *)&pkt->data;
1060b6e3d1baSAnjaneyulu iwl_mvm_stat_iterator_all_links(mvm, stats->per_link);
1061b6e3d1baSAnjaneyulu
1062b6e3d1baSAnjaneyulu for (i = 0; i < ARRAY_SIZE(average_energy); i++)
1063b6e3d1baSAnjaneyulu average_energy[i] =
1064b6e3d1baSAnjaneyulu le32_to_cpu(stats->per_sta[i].average_energy);
1065b6e3d1baSAnjaneyulu
1066b6e3d1baSAnjaneyulu ieee80211_iterate_stations_atomic(mvm->hw, iwl_mvm_stats_energy_iter,
1067b6e3d1baSAnjaneyulu average_energy);
1068740dfeccSMiri Korenblit iwl_mvm_handle_per_phy_stats(mvm, stats->per_phy);
1069ec0d43d2SMiri Korenblit
1070ec0d43d2SMiri Korenblit iwl_mvm_update_esr_mode_tpt(mvm);
1071b6e3d1baSAnjaneyulu }
1072b6e3d1baSAnjaneyulu
iwl_mvm_handle_rx_system_oper_part1_stats(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1073b6e3d1baSAnjaneyulu void iwl_mvm_handle_rx_system_oper_part1_stats(struct iwl_mvm *mvm,
1074b6e3d1baSAnjaneyulu struct iwl_rx_cmd_buffer *rxb)
1075b6e3d1baSAnjaneyulu {
1076b6e3d1baSAnjaneyulu struct iwl_rx_packet *pkt = rxb_addr(rxb);
1077b6e3d1baSAnjaneyulu struct iwl_system_statistics_part1_notif_oper *part1_stats;
1078b6e3d1baSAnjaneyulu int i;
1079b6e3d1baSAnjaneyulu u32 notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, STATISTICS_GROUP,
1080b6e3d1baSAnjaneyulu STATISTICS_OPER_PART1_NOTIF, 0);
1081b6e3d1baSAnjaneyulu
1082b6e3d1baSAnjaneyulu if (notif_ver != 4) {
1083b6e3d1baSAnjaneyulu IWL_FW_CHECK_FAILED(mvm,
1084b6e3d1baSAnjaneyulu "Part1 stats notif ver %d is not supported\n",
1085b6e3d1baSAnjaneyulu notif_ver);
1086b6e3d1baSAnjaneyulu return;
1087b6e3d1baSAnjaneyulu }
1088b6e3d1baSAnjaneyulu
1089b6e3d1baSAnjaneyulu part1_stats = (void *)&pkt->data;
1090b6e3d1baSAnjaneyulu mvm->radio_stats.rx_time = 0;
1091b6e3d1baSAnjaneyulu mvm->radio_stats.tx_time = 0;
1092b6e3d1baSAnjaneyulu for (i = 0; i < ARRAY_SIZE(part1_stats->per_link); i++) {
1093b6e3d1baSAnjaneyulu mvm->radio_stats.rx_time +=
1094b6e3d1baSAnjaneyulu le64_to_cpu(part1_stats->per_link[i].rx_time);
1095b6e3d1baSAnjaneyulu mvm->radio_stats.tx_time +=
1096b6e3d1baSAnjaneyulu le64_to_cpu(part1_stats->per_link[i].tx_time);
1097b6e3d1baSAnjaneyulu }
1098b6e3d1baSAnjaneyulu }
1099b6e3d1baSAnjaneyulu
1100b6e3d1baSAnjaneyulu static void
iwl_mvm_handle_rx_statistics_tlv(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)11016324c173SMordechay Goodstein iwl_mvm_handle_rx_statistics_tlv(struct iwl_mvm *mvm,
11026324c173SMordechay Goodstein struct iwl_rx_packet *pkt)
11036324c173SMordechay Goodstein {
1104*b61ed2b8SMiri Korenblit u8 average_energy[IWL_STATION_COUNT_MAX];
11056324c173SMordechay Goodstein __le32 air_time[MAC_INDEX_AUX];
11066324c173SMordechay Goodstein __le32 rx_bytes[MAC_INDEX_AUX];
11076324c173SMordechay Goodstein __le32 flags = 0;
11086324c173SMordechay Goodstein int i;
11096324c173SMordechay Goodstein u32 notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
11106324c173SMordechay Goodstein STATISTICS_NOTIFICATION, 0);
11116324c173SMordechay Goodstein
11126324c173SMordechay Goodstein if (WARN_ONCE(notif_ver > 15,
11136324c173SMordechay Goodstein "invalid statistics version id: %d\n", notif_ver))
11146324c173SMordechay Goodstein return;
11156324c173SMordechay Goodstein
11166324c173SMordechay Goodstein if (notif_ver == 14) {
11176324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy_ver_14 *stats =
11186324c173SMordechay Goodstein (void *)pkt->data;
11196324c173SMordechay Goodstein
11206324c173SMordechay Goodstein if (!iwl_mvm_verify_stats_len(mvm, pkt, sizeof(*stats)))
11216324c173SMordechay Goodstein return;
11226324c173SMordechay Goodstein
11236324c173SMordechay Goodstein iwl_mvm_stats_ver_14(mvm, stats);
11246324c173SMordechay Goodstein
11256324c173SMordechay Goodstein flags = stats->flags;
11266324c173SMordechay Goodstein mvm->radio_stats.rx_time = le64_to_cpu(stats->rx_time);
11276324c173SMordechay Goodstein mvm->radio_stats.tx_time = le64_to_cpu(stats->tx_time);
11286324c173SMordechay Goodstein mvm->radio_stats.on_time_rf = le64_to_cpu(stats->on_time_rf);
11296324c173SMordechay Goodstein mvm->radio_stats.on_time_scan =
11306324c173SMordechay Goodstein le64_to_cpu(stats->on_time_scan);
1131853f4954SMordechay Goodstein
1132853f4954SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(average_energy); i++)
1133853f4954SMordechay Goodstein average_energy[i] = le32_to_cpu(stats->average_energy[i]);
11346324c173SMordechay Goodstein
11356324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(air_time); i++) {
11366324c173SMordechay Goodstein air_time[i] = stats->air_time[i];
11376324c173SMordechay Goodstein rx_bytes[i] = stats->rx_bytes[i];
11386324c173SMordechay Goodstein }
11396324c173SMordechay Goodstein }
11406324c173SMordechay Goodstein
11416324c173SMordechay Goodstein if (notif_ver == 15) {
11426324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy *stats =
11436324c173SMordechay Goodstein (void *)pkt->data;
11446324c173SMordechay Goodstein
11456324c173SMordechay Goodstein if (!iwl_mvm_verify_stats_len(mvm, pkt, sizeof(*stats)))
11466324c173SMordechay Goodstein return;
11476324c173SMordechay Goodstein
11486324c173SMordechay Goodstein iwl_mvm_stats_ver_15(mvm, stats);
11496324c173SMordechay Goodstein
11506324c173SMordechay Goodstein flags = stats->flags;
11516324c173SMordechay Goodstein mvm->radio_stats.rx_time = le64_to_cpu(stats->rx_time);
11526324c173SMordechay Goodstein mvm->radio_stats.tx_time = le64_to_cpu(stats->tx_time);
11536324c173SMordechay Goodstein mvm->radio_stats.on_time_rf = le64_to_cpu(stats->on_time_rf);
11546324c173SMordechay Goodstein mvm->radio_stats.on_time_scan =
11556324c173SMordechay Goodstein le64_to_cpu(stats->on_time_scan);
11566324c173SMordechay Goodstein
11576324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(average_energy); i++)
11586324c173SMordechay Goodstein average_energy[i] =
1159b6e3d1baSAnjaneyulu le32_to_cpu(stats->per_sta[i].average_energy);
11606324c173SMordechay Goodstein
11616324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(air_time); i++) {
1162b6e3d1baSAnjaneyulu air_time[i] = stats->per_mac[i].air_time;
1163b6e3d1baSAnjaneyulu rx_bytes[i] = stats->per_mac[i].rx_bytes;
11646324c173SMordechay Goodstein }
11656324c173SMordechay Goodstein }
11666324c173SMordechay Goodstein
11676324c173SMordechay Goodstein iwl_mvm_rx_stats_check_trigger(mvm, pkt);
11686324c173SMordechay Goodstein
1169c6bae216SMordechay Goodstein ieee80211_iterate_stations_atomic(mvm->hw, iwl_mvm_stats_energy_iter,
1170c6bae216SMordechay Goodstein average_energy);
1171853f4954SMordechay Goodstein /*
1172853f4954SMordechay Goodstein * Don't update in case the statistics are not cleared, since
1173853f4954SMordechay Goodstein * we will end up counting twice the same airtime, once in TCM
1174853f4954SMordechay Goodstein * request and once in statistics notification.
1175853f4954SMordechay Goodstein */
1176853f4954SMordechay Goodstein if (le32_to_cpu(flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
11776324c173SMordechay Goodstein iwl_mvm_update_tcm_from_stats(mvm, air_time, rx_bytes);
1178853f4954SMordechay Goodstein }
1179853f4954SMordechay Goodstein
iwl_mvm_handle_rx_statistics(struct iwl_mvm * mvm,struct iwl_rx_packet * pkt)1180e705c121SKalle Valo void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1181e705c121SKalle Valo struct iwl_rx_packet *pkt)
1182e705c121SKalle Valo {
1183e705c121SKalle Valo struct iwl_mvm_stat_data data = {
1184e705c121SKalle Valo .mvm = mvm,
1185e705c121SKalle Valo };
1186853f4954SMordechay Goodstein __le32 *bytes, *air_time, flags;
11870e7ac018SSara Sharon int expected_size;
1188cfbeb598SGoodstein, Mordechay u8 *energy;
1189b6e3d1baSAnjaneyulu u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw,
1190b6e3d1baSAnjaneyulu WIDE_ID(SYSTEM_GROUP,
1191b6e3d1baSAnjaneyulu SYSTEM_STATISTICS_CMD),
1192b6e3d1baSAnjaneyulu IWL_FW_CMD_VER_UNKNOWN);
1193b6e3d1baSAnjaneyulu
1194b6e3d1baSAnjaneyulu if (cmd_ver != IWL_FW_CMD_VER_UNKNOWN)
1195b6e3d1baSAnjaneyulu return;
1196853f4954SMordechay Goodstein
1197853f4954SMordechay Goodstein /* From ver 14 and up we use TLV statistics format */
11986324c173SMordechay Goodstein if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
11996324c173SMordechay Goodstein STATISTICS_NOTIFICATION, 0) >= 14)
1200853f4954SMordechay Goodstein return iwl_mvm_handle_rx_statistics_tlv(mvm, pkt);
12010e7ac018SSara Sharon
1202678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1203678d9b6dSLiad Kaufman if (iwl_mvm_has_new_rx_api(mvm))
12040e7ac018SSara Sharon expected_size = sizeof(struct iwl_notif_statistics_v11);
12050e7ac018SSara Sharon else
12060e7ac018SSara Sharon expected_size = sizeof(struct iwl_notif_statistics_v10);
1207678d9b6dSLiad Kaufman } else {
1208606b9ab6SEmmanuel Grumbach expected_size = sizeof(struct iwl_notif_statistics);
1209678d9b6dSLiad Kaufman }
1210e705c121SKalle Valo
121142fa5e0eSJohannes Berg if (WARN_ONCE(iwl_rx_packet_payload_len(pkt) != expected_size,
121242fa5e0eSJohannes Berg "received invalid statistics size (%d)!\n",
121342fa5e0eSJohannes Berg iwl_rx_packet_payload_len(pkt)))
12146a90f85aSLuca Coelho return;
1215e705c121SKalle Valo
1216678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1217678d9b6dSLiad Kaufman struct iwl_notif_statistics_v11 *stats = (void *)&pkt->data;
1218678d9b6dSLiad Kaufman
1219e705c121SKalle Valo data.mac_id = stats->rx.general.mac_id;
1220e705c121SKalle Valo data.beacon_filter_average_energy =
12210e7ac018SSara Sharon stats->general.common.beacon_filter_average_energy;
1222e705c121SKalle Valo
1223678d9b6dSLiad Kaufman mvm->rx_stats_v3 = stats->rx;
1224e705c121SKalle Valo
1225678d9b6dSLiad Kaufman mvm->radio_stats.rx_time =
1226678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.rx_time);
1227678d9b6dSLiad Kaufman mvm->radio_stats.tx_time =
1228678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.tx_time);
1229e705c121SKalle Valo mvm->radio_stats.on_time_rf =
12300e7ac018SSara Sharon le64_to_cpu(stats->general.common.on_time_rf);
1231e705c121SKalle Valo mvm->radio_stats.on_time_scan =
12320e7ac018SSara Sharon le64_to_cpu(stats->general.common.on_time_scan);
1233e705c121SKalle Valo
1234853f4954SMordechay Goodstein data.beacon_counter = stats->general.beacon_counter;
1235853f4954SMordechay Goodstein data.beacon_average_energy =
1236853f4954SMordechay Goodstein stats->general.beacon_average_energy;
1237678d9b6dSLiad Kaufman flags = stats->flag;
1238678d9b6dSLiad Kaufman } else {
1239606b9ab6SEmmanuel Grumbach struct iwl_notif_statistics *stats = (void *)&pkt->data;
1240678d9b6dSLiad Kaufman
1241678d9b6dSLiad Kaufman data.mac_id = stats->rx.general.mac_id;
1242678d9b6dSLiad Kaufman data.beacon_filter_average_energy =
1243678d9b6dSLiad Kaufman stats->general.common.beacon_filter_average_energy;
1244678d9b6dSLiad Kaufman
1245678d9b6dSLiad Kaufman mvm->rx_stats = stats->rx;
1246678d9b6dSLiad Kaufman
1247678d9b6dSLiad Kaufman mvm->radio_stats.rx_time =
1248678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.rx_time);
1249678d9b6dSLiad Kaufman mvm->radio_stats.tx_time =
1250678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.tx_time);
1251678d9b6dSLiad Kaufman mvm->radio_stats.on_time_rf =
1252678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.on_time_rf);
1253678d9b6dSLiad Kaufman mvm->radio_stats.on_time_scan =
1254678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.on_time_scan);
1255678d9b6dSLiad Kaufman
1256853f4954SMordechay Goodstein data.beacon_counter = stats->general.beacon_counter;
1257853f4954SMordechay Goodstein data.beacon_average_energy =
1258853f4954SMordechay Goodstein stats->general.beacon_average_energy;
1259678d9b6dSLiad Kaufman flags = stats->flag;
1260678d9b6dSLiad Kaufman }
1261290d5e49SMordechay Goodstein data.flags = flags;
1262678d9b6dSLiad Kaufman
1263cfbeb598SGoodstein, Mordechay iwl_mvm_rx_stats_check_trigger(mvm, pkt);
1264cfbeb598SGoodstein, Mordechay
1265cfbeb598SGoodstein, Mordechay ieee80211_iterate_active_interfaces(mvm->hw,
1266cfbeb598SGoodstein, Mordechay IEEE80211_IFACE_ITER_NORMAL,
1267cfbeb598SGoodstein, Mordechay iwl_mvm_stat_iterator,
1268cfbeb598SGoodstein, Mordechay &data);
1269cfbeb598SGoodstein, Mordechay
1270cfbeb598SGoodstein, Mordechay if (!iwl_mvm_has_new_rx_api(mvm))
1271cfbeb598SGoodstein, Mordechay return;
1272988b5968SSara Sharon
1273678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
1274678d9b6dSLiad Kaufman struct iwl_notif_statistics_v11 *v11 = (void *)&pkt->data;
12750e7ac018SSara Sharon
12760e7ac018SSara Sharon energy = (void *)&v11->load_stats.avg_energy;
1277b0ffe455SJohannes Berg bytes = (void *)&v11->load_stats.byte_count;
12780e7ac018SSara Sharon air_time = (void *)&v11->load_stats.air_time;
12790e7ac018SSara Sharon } else {
1280606b9ab6SEmmanuel Grumbach struct iwl_notif_statistics *stats = (void *)&pkt->data;
1281678d9b6dSLiad Kaufman
12820e7ac018SSara Sharon energy = (void *)&stats->load_stats.avg_energy;
1283b0ffe455SJohannes Berg bytes = (void *)&stats->load_stats.byte_count;
12840e7ac018SSara Sharon air_time = (void *)&stats->load_stats.air_time;
12850e7ac018SSara Sharon }
1286c6bae216SMordechay Goodstein ieee80211_iterate_stations_atomic(mvm->hw, iwl_mvm_stats_energy_iter,
1287c6bae216SMordechay Goodstein energy);
12887d9d0d56SLuca Coelho
12897d9d0d56SLuca Coelho /*
12907d9d0d56SLuca Coelho * Don't update in case the statistics are not cleared, since
12917d9d0d56SLuca Coelho * we will end up counting twice the same airtime, once in TCM
12927d9d0d56SLuca Coelho * request and once in statistics notification.
12937d9d0d56SLuca Coelho */
1294853f4954SMordechay Goodstein if (le32_to_cpu(flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
1295853f4954SMordechay Goodstein iwl_mvm_update_tcm_from_stats(mvm, air_time, bytes);
12967d9d0d56SLuca Coelho
1297e705c121SKalle Valo }
1298e705c121SKalle Valo
iwl_mvm_rx_statistics(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)1299e705c121SKalle Valo void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
1300e705c121SKalle Valo {
1301e705c121SKalle Valo iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb));
1302e705c121SKalle Valo }
13033af512d6SSara Sharon
iwl_mvm_window_status_notif(struct iwl_mvm * mvm,struct iwl_rx_cmd_buffer * rxb)13043af512d6SSara Sharon void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
13053af512d6SSara Sharon struct iwl_rx_cmd_buffer *rxb)
13063af512d6SSara Sharon {
13073af512d6SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb);
13083af512d6SSara Sharon struct iwl_ba_window_status_notif *notif = (void *)pkt->data;
13093af512d6SSara Sharon int i;
13103af512d6SSara Sharon
1311afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->ra_tid) != BA_WINDOW_STREAMS_MAX);
1312afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->mpdu_rx_count) != BA_WINDOW_STREAMS_MAX);
1313afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->bitmap) != BA_WINDOW_STREAMS_MAX);
1314afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->start_seq_num) != BA_WINDOW_STREAMS_MAX);
13153af512d6SSara Sharon
13163af512d6SSara Sharon rcu_read_lock();
13173af512d6SSara Sharon for (i = 0; i < BA_WINDOW_STREAMS_MAX; i++) {
13183af512d6SSara Sharon struct ieee80211_sta *sta;
13193af512d6SSara Sharon u8 sta_id, tid;
13203af512d6SSara Sharon u64 bitmap;
13213af512d6SSara Sharon u32 ssn;
13223af512d6SSara Sharon u16 ratid;
13233af512d6SSara Sharon u16 received_mpdu;
13243af512d6SSara Sharon
13253af512d6SSara Sharon ratid = le16_to_cpu(notif->ra_tid[i]);
13263af512d6SSara Sharon /* check that this TID is valid */
13273af512d6SSara Sharon if (!(ratid & BA_WINDOW_STATUS_VALID_MSK))
13283af512d6SSara Sharon continue;
13293af512d6SSara Sharon
13303af512d6SSara Sharon received_mpdu = le16_to_cpu(notif->mpdu_rx_count[i]);
13313af512d6SSara Sharon if (received_mpdu == 0)
13323af512d6SSara Sharon continue;
13333af512d6SSara Sharon
13343af512d6SSara Sharon tid = ratid & BA_WINDOW_STATUS_TID_MSK;
13353af512d6SSara Sharon /* get the station */
13363af512d6SSara Sharon sta_id = (ratid & BA_WINDOW_STATUS_STA_ID_MSK)
13373af512d6SSara Sharon >> BA_WINDOW_STATUS_STA_ID_POS;
13383af512d6SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
13393af512d6SSara Sharon if (IS_ERR_OR_NULL(sta))
13403af512d6SSara Sharon continue;
13413af512d6SSara Sharon bitmap = le64_to_cpu(notif->bitmap[i]);
13423af512d6SSara Sharon ssn = le32_to_cpu(notif->start_seq_num[i]);
13433af512d6SSara Sharon
13443af512d6SSara Sharon /* update mac80211 with the bitmap for the reordering buffer */
13453af512d6SSara Sharon ieee80211_mark_rx_ba_filtered_frames(sta, tid, ssn, bitmap,
13463af512d6SSara Sharon received_mpdu);
13473af512d6SSara Sharon }
13483af512d6SSara Sharon rcu_read_unlock();
13493af512d6SSara Sharon }
1350