338 lines
9.6 KiB
C
338 lines
9.6 KiB
C
// SPDX-License-Identifier: BSD-3-Clause-Clear
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/*
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* Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/vmalloc.h>
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#include "debugfs_sta.h"
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#include "core.h"
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#include "peer.h"
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#include "debug.h"
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#include "debugfs_htt_stats.h"
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#include "debugfs.h"
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static
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u32 ath12k_dbg_sta_dump_rate_stats(u8 *buf, u32 offset, const int size,
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bool he_rates_avail,
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const struct ath12k_rx_peer_rate_stats *stats)
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{
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static const char *legacy_rate_str[HAL_RX_MAX_NUM_LEGACY_RATES] = {
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"1 Mbps", "2 Mbps", "5.5 Mbps", "6 Mbps",
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"9 Mbps", "11 Mbps", "12 Mbps", "18 Mbps",
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"24 Mbps", "36 Mbps", "48 Mbps", "54 Mbps"};
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u8 max_bw = HAL_RX_BW_MAX, max_gi = HAL_RX_GI_MAX, max_mcs = HAL_RX_MAX_NSS;
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int mcs = 0, bw = 0, nss = 0, gi = 0, bw_num = 0;
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u32 i, len = offset, max = max_bw * max_gi * max_mcs;
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bool found;
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len += scnprintf(buf + len, size - len, "\nEHT stats:\n");
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for (i = 0; i <= HAL_RX_MAX_MCS_BE; i++)
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len += scnprintf(buf + len, size - len,
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"MCS %d: %llu%s", i, stats->be_mcs_count[i],
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(i + 1) % 8 ? "\t" : "\n");
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len += scnprintf(buf + len, size - len, "\nHE stats:\n");
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for (i = 0; i <= HAL_RX_MAX_MCS_HE; i++)
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len += scnprintf(buf + len, size - len,
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"MCS %d: %llu%s", i, stats->he_mcs_count[i],
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(i + 1) % 6 ? "\t" : "\n");
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len += scnprintf(buf + len, size - len, "\nVHT stats:\n");
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for (i = 0; i <= HAL_RX_MAX_MCS_VHT; i++)
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len += scnprintf(buf + len, size - len,
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"MCS %d: %llu%s", i, stats->vht_mcs_count[i],
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(i + 1) % 5 ? "\t" : "\n");
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len += scnprintf(buf + len, size - len, "\nHT stats:\n");
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for (i = 0; i <= HAL_RX_MAX_MCS_HT; i++)
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len += scnprintf(buf + len, size - len,
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"MCS %d: %llu%s", i, stats->ht_mcs_count[i],
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(i + 1) % 8 ? "\t" : "\n");
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len += scnprintf(buf + len, size - len, "\nLegacy stats:\n");
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for (i = 0; i < HAL_RX_MAX_NUM_LEGACY_RATES; i++)
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len += scnprintf(buf + len, size - len,
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"%s: %llu%s", legacy_rate_str[i],
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stats->legacy_count[i],
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(i + 1) % 4 ? "\t" : "\n");
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len += scnprintf(buf + len, size - len, "\nNSS stats:\n");
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for (i = 0; i < HAL_RX_MAX_NSS; i++)
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len += scnprintf(buf + len, size - len,
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"%dx%d: %llu ", i + 1, i + 1,
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stats->nss_count[i]);
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len += scnprintf(buf + len, size - len,
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"\n\nGI: 0.8 us %llu 0.4 us %llu 1.6 us %llu 3.2 us %llu\n",
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stats->gi_count[0],
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stats->gi_count[1],
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stats->gi_count[2],
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stats->gi_count[3]);
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len += scnprintf(buf + len, size - len,
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"BW: 20 MHz %llu 40 MHz %llu 80 MHz %llu 160 MHz %llu 320 MHz %llu\n",
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stats->bw_count[0],
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stats->bw_count[1],
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stats->bw_count[2],
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stats->bw_count[3],
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stats->bw_count[4]);
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for (i = 0; i < max; i++) {
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found = false;
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for (mcs = 0; mcs <= HAL_RX_MAX_MCS_HT; mcs++) {
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if (stats->rx_rate[bw][gi][nss][mcs]) {
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found = true;
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break;
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}
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}
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if (!found)
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goto skip_report;
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switch (bw) {
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case HAL_RX_BW_20MHZ:
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bw_num = 20;
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break;
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case HAL_RX_BW_40MHZ:
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bw_num = 40;
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break;
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case HAL_RX_BW_80MHZ:
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bw_num = 80;
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break;
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case HAL_RX_BW_160MHZ:
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bw_num = 160;
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break;
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case HAL_RX_BW_320MHZ:
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bw_num = 320;
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break;
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}
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len += scnprintf(buf + len, size - len, "\n%d Mhz gi %d us %dx%d : ",
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bw_num, gi, nss + 1, nss + 1);
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for (mcs = 0; mcs <= HAL_RX_MAX_MCS_HT; mcs++) {
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if (stats->rx_rate[bw][gi][nss][mcs])
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len += scnprintf(buf + len, size - len,
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" %d:%llu", mcs,
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stats->rx_rate[bw][gi][nss][mcs]);
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}
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skip_report:
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if (nss++ >= max_mcs - 1) {
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nss = 0;
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if (gi++ >= max_gi - 1) {
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gi = 0;
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if (bw < max_bw - 1)
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bw++;
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}
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}
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}
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len += scnprintf(buf + len, size - len, "\n");
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return len - offset;
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}
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static ssize_t ath12k_dbg_sta_dump_rx_stats(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_link_sta *link_sta = file->private_data;
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struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(link_sta->sta);
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const int size = ATH12K_STA_RX_STATS_BUF_SIZE;
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struct ath12k_hw *ah = ahsta->ahvif->ah;
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struct ath12k_rx_peer_stats *rx_stats;
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struct ath12k_link_sta *arsta;
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u8 link_id = link_sta->link_id;
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int len = 0, i, ret = 0;
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bool he_rates_avail;
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struct ath12k *ar;
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wiphy_lock(ah->hw->wiphy);
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if (!(BIT(link_id) & ahsta->links_map)) {
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wiphy_unlock(ah->hw->wiphy);
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return -ENOENT;
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}
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arsta = wiphy_dereference(ah->hw->wiphy, ahsta->link[link_id]);
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if (!arsta || !arsta->arvif->ar) {
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wiphy_unlock(ah->hw->wiphy);
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return -ENOENT;
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}
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ar = arsta->arvif->ar;
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u8 *buf __free(kfree) = kzalloc(size, GFP_KERNEL);
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if (!buf) {
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ret = -ENOENT;
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goto out;
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}
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spin_lock_bh(&ar->ab->base_lock);
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rx_stats = arsta->rx_stats;
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if (!rx_stats) {
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ret = -ENOENT;
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goto unlock;
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}
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len += scnprintf(buf + len, size - len, "RX peer stats:\n\n");
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len += scnprintf(buf + len, size - len, "Num of MSDUs: %llu\n",
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rx_stats->num_msdu);
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len += scnprintf(buf + len, size - len, "Num of MSDUs with TCP L4: %llu\n",
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rx_stats->tcp_msdu_count);
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len += scnprintf(buf + len, size - len, "Num of MSDUs with UDP L4: %llu\n",
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rx_stats->udp_msdu_count);
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len += scnprintf(buf + len, size - len, "Num of other MSDUs: %llu\n",
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rx_stats->other_msdu_count);
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len += scnprintf(buf + len, size - len, "Num of MSDUs part of AMPDU: %llu\n",
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rx_stats->ampdu_msdu_count);
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len += scnprintf(buf + len, size - len, "Num of MSDUs not part of AMPDU: %llu\n",
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rx_stats->non_ampdu_msdu_count);
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len += scnprintf(buf + len, size - len, "Num of MSDUs using STBC: %llu\n",
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rx_stats->stbc_count);
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len += scnprintf(buf + len, size - len, "Num of MSDUs beamformed: %llu\n",
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rx_stats->beamformed_count);
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len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS ok: %llu\n",
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rx_stats->num_mpdu_fcs_ok);
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len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS error: %llu\n",
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rx_stats->num_mpdu_fcs_err);
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he_rates_avail = (rx_stats->pream_cnt[HAL_RX_PREAMBLE_11AX] > 1) ? true : false;
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len += scnprintf(buf + len, size - len,
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"preamble: 11A %llu 11B %llu 11N %llu 11AC %llu 11AX %llu 11BE %llu\n",
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rx_stats->pream_cnt[0], rx_stats->pream_cnt[1],
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rx_stats->pream_cnt[2], rx_stats->pream_cnt[3],
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rx_stats->pream_cnt[4], rx_stats->pream_cnt[6]);
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len += scnprintf(buf + len, size - len,
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"reception type: SU %llu MU_MIMO %llu MU_OFDMA %llu MU_OFDMA_MIMO %llu\n",
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rx_stats->reception_type[0], rx_stats->reception_type[1],
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rx_stats->reception_type[2], rx_stats->reception_type[3]);
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len += scnprintf(buf + len, size - len, "TID(0-15) Legacy TID(16):");
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for (i = 0; i <= IEEE80211_NUM_TIDS; i++)
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len += scnprintf(buf + len, size - len, "%llu ", rx_stats->tid_count[i]);
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len += scnprintf(buf + len, size - len, "\nRX Duration:%llu\n",
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rx_stats->rx_duration);
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len += scnprintf(buf + len, size - len,
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"\nDCM: %llu\nRU26: %llu\nRU52: %llu\nRU106: %llu\nRU242: %llu\nRU484: %llu\nRU996: %llu\nRU996x2: %llu\n",
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rx_stats->dcm_count, rx_stats->ru_alloc_cnt[0],
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rx_stats->ru_alloc_cnt[1], rx_stats->ru_alloc_cnt[2],
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rx_stats->ru_alloc_cnt[3], rx_stats->ru_alloc_cnt[4],
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rx_stats->ru_alloc_cnt[5], rx_stats->ru_alloc_cnt[6]);
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len += scnprintf(buf + len, size - len, "\nRX success packet stats:\n");
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len += ath12k_dbg_sta_dump_rate_stats(buf, len, size, he_rates_avail,
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&rx_stats->pkt_stats);
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len += scnprintf(buf + len, size - len, "\n");
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len += scnprintf(buf + len, size - len, "\nRX success byte stats:\n");
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len += ath12k_dbg_sta_dump_rate_stats(buf, len, size, he_rates_avail,
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&rx_stats->byte_stats);
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unlock:
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spin_unlock_bh(&ar->ab->base_lock);
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if (len)
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
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out:
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wiphy_unlock(ah->hw->wiphy);
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return ret;
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}
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static const struct file_operations fops_rx_stats = {
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.read = ath12k_dbg_sta_dump_rx_stats,
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.open = simple_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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static ssize_t ath12k_dbg_sta_reset_rx_stats(struct file *file,
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const char __user *buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_link_sta *link_sta = file->private_data;
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struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(link_sta->sta);
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struct ath12k_hw *ah = ahsta->ahvif->ah;
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struct ath12k_rx_peer_stats *rx_stats;
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struct ath12k_link_sta *arsta;
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u8 link_id = link_sta->link_id;
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struct ath12k *ar;
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bool reset;
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int ret;
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ret = kstrtobool_from_user(buf, count, &reset);
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if (ret)
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return ret;
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if (!reset)
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return -EINVAL;
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wiphy_lock(ah->hw->wiphy);
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if (!(BIT(link_id) & ahsta->links_map)) {
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ret = -ENOENT;
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goto out;
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}
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arsta = wiphy_dereference(ah->hw->wiphy, ahsta->link[link_id]);
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if (!arsta || !arsta->arvif->ar) {
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ret = -ENOENT;
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goto out;
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}
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ar = arsta->arvif->ar;
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spin_lock_bh(&ar->ab->base_lock);
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rx_stats = arsta->rx_stats;
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if (!rx_stats) {
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spin_unlock_bh(&ar->ab->base_lock);
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ret = -ENOENT;
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goto out;
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}
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memset(rx_stats, 0, sizeof(*rx_stats));
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spin_unlock_bh(&ar->ab->base_lock);
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ret = count;
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out:
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wiphy_unlock(ah->hw->wiphy);
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return ret;
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}
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static const struct file_operations fops_reset_rx_stats = {
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.write = ath12k_dbg_sta_reset_rx_stats,
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.open = simple_open,
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.owner = THIS_MODULE,
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.llseek = default_llseek,
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};
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void ath12k_debugfs_link_sta_op_add(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ieee80211_link_sta *link_sta,
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struct dentry *dir)
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{
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struct ath12k *ar;
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lockdep_assert_wiphy(hw->wiphy);
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ar = ath12k_get_ar_by_vif(hw, vif, link_sta->link_id);
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if (!ar)
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return;
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if (ath12k_debugfs_is_extd_rx_stats_enabled(ar)) {
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debugfs_create_file("rx_stats", 0400, dir, link_sta,
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&fops_rx_stats);
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debugfs_create_file("reset_rx_stats", 0200, dir, link_sta,
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&fops_reset_rx_stats);
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}
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}
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