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Tue, 20 Aug 2019 15:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1566316139; bh=RpcS+OjYX9Dnl4rbYbhX0ZwYhX2ugq9yDDkV3fgvOoc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TW0fnack26TyFqSNC8t96ziq6NfzZFnTIQx9seyX0ouLqZ42WSENgqCI24ruQh+ia /L7/wPcQL2Iz3Z7OLCsgUz6Id3mOVupeRDrizn+4gljNG5bbQIY7NxR2W7yf6/If9U 9IY5e+nN8lZ4OseEJnDIbaaBuLMxTxv5/YL5lgNU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org ABBFE613A7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: linux-wireless@vger.kernel.org Subject: [PATCH 14/49] ath11k: add debugfs_sta.c Date: Tue, 20 Aug 2019 18:47:40 +0300 Message-Id: <1566316095-27507-15-git-send-email-kvalo@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1566316095-27507-1-git-send-email-kvalo@codeaurora.org> References: <1566316095-27507-1-git-send-email-kvalo@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190820_084906_778249_E6D084CB X-CRM114-Status: GOOD ( 13.47 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.145.29.96 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, ath11k@lists.infradead.org MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org --- drivers/net/wireless/ath/ath11k/debugfs_sta.c | 538 ++++++++++++++++++++++++++ 1 file changed, 538 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/debugfs_sta.c b/drivers/net/wireless/ath/ath11k/debugfs_sta.c new file mode 100644 index 000000000000..2ca3bc47e502 --- /dev/null +++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c @@ -0,0 +1,538 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. + */ + +#include + +#include "core.h" +#include "peer.h" +#include "debug.h" + +void +ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta, + struct ath11k_per_peer_tx_stats *peer_stats, + u8 legacy_rate_idx) +{ + struct rate_info *txrate = &arsta->txrate; + struct ath11k_htt_tx_stats *tx_stats; + int gi, mcs, bw, nss; + + if (!arsta->tx_stats) + return; + + tx_stats = arsta->tx_stats; + gi = FIELD_GET(RATE_INFO_FLAGS_SHORT_GI, arsta->txrate.flags); + mcs = txrate->mcs; + bw = txrate->bw; + nss = txrate->nss - 1; + +#define STATS_OP_FMT(name) tx_stats->stats[ATH11K_STATS_TYPE_##name] + + if (txrate->flags & RATE_INFO_FLAGS_HE_MCS) { + STATS_OP_FMT(SUCC).he[0][mcs] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).he[1][mcs] += peer_stats->succ_pkts; + STATS_OP_FMT(FAIL).he[0][mcs] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).he[1][mcs] += peer_stats->failed_pkts; + STATS_OP_FMT(RETRY).he[0][mcs] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).he[1][mcs] += peer_stats->retry_pkts; + } else if (txrate->flags & RATE_INFO_FLAGS_VHT_MCS) { + STATS_OP_FMT(SUCC).vht[0][mcs] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).vht[1][mcs] += peer_stats->succ_pkts; + STATS_OP_FMT(FAIL).vht[0][mcs] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).vht[1][mcs] += peer_stats->failed_pkts; + STATS_OP_FMT(RETRY).vht[0][mcs] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).vht[1][mcs] += peer_stats->retry_pkts; + } else if (txrate->flags & RATE_INFO_FLAGS_MCS) { + STATS_OP_FMT(SUCC).ht[0][mcs] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).ht[1][mcs] += peer_stats->succ_pkts; + STATS_OP_FMT(FAIL).ht[0][mcs] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).ht[1][mcs] += peer_stats->failed_pkts; + STATS_OP_FMT(RETRY).ht[0][mcs] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).ht[1][mcs] += peer_stats->retry_pkts; + } else { + mcs = legacy_rate_idx; + + STATS_OP_FMT(SUCC).legacy[0][mcs] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).legacy[1][mcs] += peer_stats->succ_pkts; + STATS_OP_FMT(FAIL).legacy[0][mcs] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).legacy[1][mcs] += peer_stats->failed_pkts; + STATS_OP_FMT(RETRY).legacy[0][mcs] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).legacy[1][mcs] += peer_stats->retry_pkts; + } + + if (peer_stats->is_ampdu) { + tx_stats->ba_fails += peer_stats->ba_fails; + + if (txrate->flags & RATE_INFO_FLAGS_HE_MCS) { + STATS_OP_FMT(AMPDU).he[0][mcs] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).he[1][mcs] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + } else if (txrate->flags & RATE_INFO_FLAGS_MCS) { + STATS_OP_FMT(AMPDU).ht[0][mcs] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).ht[1][mcs] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + } else { + STATS_OP_FMT(AMPDU).vht[0][mcs] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).vht[1][mcs] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + } + STATS_OP_FMT(AMPDU).bw[0][bw] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).nss[0][nss] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).gi[0][gi] += + peer_stats->succ_bytes + peer_stats->retry_bytes; + STATS_OP_FMT(AMPDU).bw[1][bw] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + STATS_OP_FMT(AMPDU).nss[1][nss] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + STATS_OP_FMT(AMPDU).gi[1][gi] += + peer_stats->succ_pkts + peer_stats->retry_pkts; + } else { + tx_stats->ack_fails += peer_stats->ba_fails; + } + + STATS_OP_FMT(SUCC).bw[0][bw] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).nss[0][nss] += peer_stats->succ_bytes; + STATS_OP_FMT(SUCC).gi[0][gi] += peer_stats->succ_bytes; + + STATS_OP_FMT(SUCC).bw[1][bw] += peer_stats->succ_pkts; + STATS_OP_FMT(SUCC).nss[1][nss] += peer_stats->succ_pkts; + STATS_OP_FMT(SUCC).gi[1][gi] += peer_stats->succ_pkts; + + STATS_OP_FMT(FAIL).bw[0][bw] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).nss[0][nss] += peer_stats->failed_bytes; + STATS_OP_FMT(FAIL).gi[0][gi] += peer_stats->failed_bytes; + + STATS_OP_FMT(FAIL).bw[1][bw] += peer_stats->failed_pkts; + STATS_OP_FMT(FAIL).nss[1][nss] += peer_stats->failed_pkts; + STATS_OP_FMT(FAIL).gi[1][gi] += peer_stats->failed_pkts; + + STATS_OP_FMT(RETRY).bw[0][bw] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).nss[0][nss] += peer_stats->retry_bytes; + STATS_OP_FMT(RETRY).gi[0][gi] += peer_stats->retry_bytes; + + STATS_OP_FMT(RETRY).bw[1][bw] += peer_stats->retry_pkts; + STATS_OP_FMT(RETRY).nss[1][nss] += peer_stats->retry_pkts; + STATS_OP_FMT(RETRY).gi[1][gi] += peer_stats->retry_pkts; + + tx_stats->tx_duration += peer_stats->duration; +} + +void ath11k_update_per_peer_stats_from_txcompl(struct ath11k *ar, + struct sk_buff *msdu, + struct hal_tx_status *ts) +{ + struct ath11k_base *ab = ar->ab; + struct ath11k_per_peer_tx_stats *peer_stats = &ar->cached_stats; + struct ath11k_peer *peer; + struct ath11k_sta *arsta; + struct ieee80211_sta *sta; + u16 rate; + u8 rate_idx; + int ret; + + rcu_read_lock(); + spin_lock_bh(&ab->base_lock); + peer = ath11k_peer_find_by_id(ab, ts->peer_id); + if (!peer || !peer->sta) { + ath11k_warn(ab, "failed to find the peer\n"); + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); + return; + } + + sta = peer->sta; + arsta = (struct ath11k_sta *)sta->drv_priv; + + memset(&arsta->txrate, 0, sizeof(arsta->txrate)); + + if (ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11A || + ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11B) { + ret = ath11k_mac_hw_ratecode_to_legacy_rate(ts->mcs, + ts->pkt_type, + &rate_idx, + &rate); + if (ret < 0) { + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); + return; + } + arsta->txrate.legacy = rate; + } else if (ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11N) { + if (ts->mcs > 7) { + ath11k_warn(ab, "Invalid HT mcs index %d\n", ts->mcs); + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); + return; + } + + arsta->txrate.mcs = ts->mcs + 8 * (arsta->last_txrate.nss - 1); + arsta->txrate.flags = RATE_INFO_FLAGS_MCS; + if (ts->sgi) + arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + } else if (ts->pkt_type == HAL_TX_RATE_STATS_PKT_TYPE_11AC) { + if (ts->mcs > 9) { + ath11k_warn(ab, "Invalid VHT mcs index %d\n", ts->mcs); + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); + return; + } + + arsta->txrate.mcs = ts->mcs; + arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS; + if (ts->sgi) + arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + } else { + /*TODO: update HE rates */ + } + + arsta->txrate.nss = arsta->last_txrate.nss; + arsta->txrate.bw = ts->bw; + + ath11k_accumulate_per_peer_tx_stats(arsta, peer_stats, rate_idx); + spin_unlock_bh(&ab->base_lock); + rcu_read_unlock(); +} + +static ssize_t ath11k_dbg_sta_dump_tx_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; + struct ath11k *ar = arsta->arvif->ar; + struct ath11k_htt_data_stats *stats; + static const char *str_name[ATH11K_STATS_TYPE_MAX] = {"succ", "fail", + "retry", "ampdu"}; + static const char *str[ATH11K_COUNTER_TYPE_MAX] = {"bytes", "packets"}; + int len = 0, i, j, k, retval = 0; + const int size = 2 * 4096; + char *buf; + + buf = kzalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + + spin_lock_bh(&ar->data_lock); + for (k = 0; k < ATH11K_STATS_TYPE_MAX; k++) { + for (j = 0; j < ATH11K_COUNTER_TYPE_MAX; j++) { + stats = &arsta->tx_stats->stats[k]; + len += scnprintf(buf + len, size - len, "%s_%s\n", + str_name[k], + str[j]); + len += scnprintf(buf + len, size - len, + " HE MCS %s\n", + str[j]); + for (i = 0; i < ATH11K_HE_MCS_NUM; i++) + len += scnprintf(buf + len, size - len, + " %llu ", + stats->he[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, + " VHT MCS %s\n", + str[j]); + for (i = 0; i < ATH11K_VHT_MCS_NUM; i++) + len += scnprintf(buf + len, size - len, + " %llu ", + stats->vht[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, " HT MCS %s\n", + str[j]); + for (i = 0; i < ATH11K_HT_MCS_NUM; i++) + len += scnprintf(buf + len, size - len, + " %llu ", stats->ht[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + len += scnprintf(buf + len, size - len, + " BW %s (20,40,80,160 MHz)\n", str[j]); + len += scnprintf(buf + len, size - len, + " %llu %llu %llu %llu\n", + stats->bw[j][0], stats->bw[j][1], + stats->bw[j][2], stats->bw[j][3]); + len += scnprintf(buf + len, size - len, + " NSS %s (1x1,2x2,3x3,4x4)\n", str[j]); + len += scnprintf(buf + len, size - len, + " %llu %llu %llu %llu\n", + stats->nss[j][0], stats->nss[j][1], + stats->nss[j][2], stats->nss[j][3]); + len += scnprintf(buf + len, size - len, + " GI %s (0.4us,0.8us,1.6us,3.2us)\n", + str[j]); + len += scnprintf(buf + len, size - len, + " %llu %llu %llu %llu\n", + stats->gi[j][0], stats->gi[j][1], + stats->gi[j][2], stats->gi[j][3]); + len += scnprintf(buf + len, size - len, + " legacy rate %s (1,2 ... Mbps)\n ", + str[j]); + for (i = 0; i < ATH11K_LEGACY_NUM; i++) + len += scnprintf(buf + len, size - len, "%llu ", + stats->legacy[j][i]); + len += scnprintf(buf + len, size - len, "\n"); + } + } + + len += scnprintf(buf + len, size - len, + "\nTX duration\n %llu usecs\n", + arsta->tx_stats->tx_duration); + len += scnprintf(buf + len, size - len, + "BA fails\n %llu\n", arsta->tx_stats->ba_fails); + len += scnprintf(buf + len, size - len, + "ack fails\n %llu\n", arsta->tx_stats->ack_fails); + spin_unlock_bh(&ar->data_lock); + + if (len > size) + len = size; + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + mutex_unlock(&ar->conf_mutex); + return retval; +} + +static const struct file_operations fops_tx_stats = { + .read = ath11k_dbg_sta_dump_tx_stats, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath11k_dbg_sta_dump_rx_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; + struct ath11k *ar = arsta->arvif->ar; + struct ath11k_rx_peer_stats *rx_stats = arsta->rx_stats; + int len = 0, i, retval = 0; + const int size = 4096; + char *buf; + + if (!rx_stats) + return -ENOENT; + + buf = kzalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + spin_lock_bh(&ar->ab->base_lock); + + len += scnprintf(buf + len, size - len, "RX peer stats:\n"); + len += scnprintf(buf + len, size - len, "Num of MSDUs: %llu\n", + rx_stats->num_msdu); + len += scnprintf(buf + len, size - len, "Num of MSDUs with TCP L4: %llu\n", + rx_stats->tcp_msdu_count); + len += scnprintf(buf + len, size - len, "Num of MSDUs with UDP L4: %llu\n", + rx_stats->udp_msdu_count); + len += scnprintf(buf + len, size - len, "Num of MSDUs part of AMPDU: %llu\n", + rx_stats->ampdu_msdu_count); + len += scnprintf(buf + len, size - len, "Num of MSDUs not part of AMPDU: %llu\n", + rx_stats->non_ampdu_msdu_count); + len += scnprintf(buf + len, size - len, "Num of MSDUs using STBC: %llu\n", + rx_stats->stbc_count); + len += scnprintf(buf + len, size - len, "Num of MSDUs beamformed: %llu\n", + rx_stats->beamformed_count); + len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS ok: %llu\n", + rx_stats->num_mpdu_fcs_ok); + len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS error: %llu\n", + rx_stats->num_mpdu_fcs_err); + len += scnprintf(buf + len, size - len, + "GI: 0.8us %llu 0.4us %llu 1.6us %llu 3.2us %llu\n", + rx_stats->gi_count[0], rx_stats->gi_count[1], + rx_stats->gi_count[2], rx_stats->gi_count[3]); + len += scnprintf(buf + len, size - len, + "BW: 20Mhz %llu 40Mhz %llu 80Mhz %llu 160Mhz %llu\n", + rx_stats->bw_count[0], rx_stats->bw_count[1], + rx_stats->bw_count[2], rx_stats->bw_count[3]); + len += scnprintf(buf + len, size - len, "BCC %llu LDPC %llu\n", + rx_stats->coding_count[0], rx_stats->coding_count[1]); + len += scnprintf(buf + len, size - len, + "preamble: 11A %llu 11B %llu 11N %llu 11AC %llu 11AX %llu\n", + rx_stats->pream_cnt[0], rx_stats->pream_cnt[1], + rx_stats->pream_cnt[2], rx_stats->pream_cnt[3], + rx_stats->pream_cnt[4]); + len += scnprintf(buf + len, size - len, + "reception type: SU %llu MU_MIMO %llu MU_OFDMA %llu MU_OFDMA_MIMO %llu\n", + rx_stats->reception_type[0], rx_stats->reception_type[1], + rx_stats->reception_type[2], rx_stats->reception_type[3]); + len += scnprintf(buf + len, size - len, "TID(0-15) Legacy TID(16):"); + for (i = 0; i <= IEEE80211_NUM_TIDS; i++) + len += scnprintf(buf + len, size - len, "%llu ", rx_stats->tid_count[i]); + len += scnprintf(buf + len, size - len, "\nMCS(0-11) Legacy MCS(12):"); + for (i = 0; i < HAL_RX_MAX_MCS + 1; i++) + len += scnprintf(buf + len, size - len, "%llu ", rx_stats->mcs_count[i]); + len += scnprintf(buf + len, size - len, "\nNSS(1-8):"); + for (i = 0; i < HAL_RX_MAX_NSS; i++) + len += scnprintf(buf + len, size - len, "%llu ", rx_stats->nss_count[i]); + len += scnprintf(buf + len, size - len, "\nRX Duration:%llu ", + rx_stats->rx_duration); + len += scnprintf(buf + len, size - len, "\n"); + + spin_unlock_bh(&ar->ab->base_lock); + + if (len > size) + len = size; + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + mutex_unlock(&ar->conf_mutex); + return retval; +} + +static const struct file_operations fops_rx_stats = { + .read = ath11k_dbg_sta_dump_rx_stats, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static int +ath11k_dbg_sta_open_htt_peer_stats(struct inode *inode, struct file *file) +{ + struct ieee80211_sta *sta = inode->i_private; + struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; + struct ath11k *ar = arsta->arvif->ar; + struct debug_htt_stats_req *stats_req; + int ret; + + stats_req = vzalloc(sizeof(*stats_req) + ATH11K_HTT_STATS_BUF_SIZE); + if (!stats_req) + return -ENOMEM; + + mutex_lock(&ar->conf_mutex); + ar->debug.htt_stats.stats_req = stats_req; + stats_req->type = ATH11K_DBG_HTT_EXT_STATS_PEER_INFO; + memcpy(stats_req->peer_addr, sta->addr, ETH_ALEN); + ret = ath11k_dbg_htt_stats_req(ar); + mutex_unlock(&ar->conf_mutex); + if (ret < 0) + goto out; + + file->private_data = stats_req; + return 0; +out: + vfree(stats_req); + return ret; +} + +static int +ath11k_dbg_sta_release_htt_peer_stats(struct inode *inode, struct file *file) +{ + vfree(file->private_data); + return 0; +} + +static ssize_t ath11k_dbg_sta_read_htt_peer_stats(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct debug_htt_stats_req *stats_req = file->private_data; + char *buf; + u32 length = 0; + + buf = stats_req->buf; + length = min_t(u32, stats_req->buf_len, ATH11K_HTT_STATS_BUF_SIZE); + return simple_read_from_buffer(user_buf, count, ppos, buf, length); +} + +static const struct file_operations fops_htt_peer_stats = { + .open = ath11k_dbg_sta_open_htt_peer_stats, + .release = ath11k_dbg_sta_release_htt_peer_stats, + .read = ath11k_dbg_sta_read_htt_peer_stats, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath11k_dbg_sta_write_peer_pktlog(struct file *file, + const char __user *buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; + struct ath11k *ar = arsta->arvif->ar; + int ret, enable; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH11K_STATE_ON) { + ret = -ENETDOWN; + goto out; + } + + ret = kstrtoint_from_user(buf, count, 0, &enable); + if (ret) + goto out; + + ar->debug.pktlog_peer_valid = enable; + memcpy(ar->debug.pktlog_peer_addr, sta->addr, ETH_ALEN); + + /* Send peer based pktlog enable/disable */ + ret = ath11k_wmi_pdev_peer_pktlog_filter(ar, sta->addr, enable); + if (ret) { + ath11k_warn(ar->ab, "failed to set peer pktlog filter %pM: %d\n", + sta->addr, ret); + goto out; + } + + ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "peer pktlog filter set to %d\n", + enable); + ret = count; + +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static ssize_t ath11k_dbg_sta_read_peer_pktlog(struct file *file, + char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv; + struct ath11k *ar = arsta->arvif->ar; + char buf[32] = {0}; + int len; + + mutex_lock(&ar->conf_mutex); + len = scnprintf(buf, sizeof(buf), "%08x %pM\n", + ar->debug.pktlog_peer_valid, + ar->debug.pktlog_peer_addr); + mutex_unlock(&ar->conf_mutex); + + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static const struct file_operations fops_peer_pktlog = { + .write = ath11k_dbg_sta_write_peer_pktlog, + .read = ath11k_dbg_sta_read_peer_pktlog, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, struct dentry *dir) +{ + struct ath11k *ar = hw->priv; + + if (ath11k_debug_is_extd_tx_stats_enabled(ar)) + debugfs_create_file("tx_stats", 0400, dir, sta, + &fops_tx_stats); + if (ath11k_debug_is_extd_rx_stats_enabled(ar)) + debugfs_create_file("rx_stats", 0400, dir, sta, + &fops_rx_stats); + + debugfs_create_file("htt_peer_stats", 0400, dir, sta, + &fops_htt_peer_stats); + + debugfs_create_file("peer_pktlog", 0644, dir, sta, + &fops_peer_pktlog); +}