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ath10k: support ethtool stats
Add support for reading firmware stats through the ethtool API. This may be easier for applications to manipulate compared to parsing a text based debugfs file. kvalo: remove unneeded ifdefs, call ath10k_debug_fw_stats_request() and added simple error handling Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Ben Greear
Kalle Valo
parent
f51dbe7374
commit
6cddcc7ac2
@ -1130,6 +1130,166 @@ exit:
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return ret;
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}
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/* TODO: Would be nice to always support ethtool stats, would need to
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* move the stats storage out of ath10k_debug, or always have ath10k_debug
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* struct available..
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*/
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/* This generally cooresponds to the debugfs fw_stats file */
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static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = {
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"tx_pkts_nic",
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"tx_bytes_nic",
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"rx_pkts_nic",
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"rx_bytes_nic",
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"d_noise_floor",
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"d_cycle_count",
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"d_phy_error",
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"d_rts_bad",
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"d_rts_good",
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"d_tx_power", /* in .5 dbM I think */
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"d_rx_crc_err", /* fcs_bad */
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"d_no_beacon",
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"d_tx_mpdus_queued",
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"d_tx_msdu_queued",
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"d_tx_msdu_dropped",
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"d_local_enqued",
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"d_local_freed",
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"d_tx_ppdu_hw_queued",
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"d_tx_ppdu_reaped",
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"d_tx_fifo_underrun",
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"d_tx_ppdu_abort",
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"d_tx_mpdu_requed",
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"d_tx_excessive_retries",
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"d_tx_hw_rate",
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"d_tx_dropped_sw_retries",
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"d_tx_illegal_rate",
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"d_tx_continuous_xretries",
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"d_tx_timeout",
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"d_tx_mpdu_txop_limit",
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"d_pdev_resets",
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"d_rx_mid_ppdu_route_change",
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"d_rx_status",
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"d_rx_extra_frags_ring0",
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"d_rx_extra_frags_ring1",
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"d_rx_extra_frags_ring2",
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"d_rx_extra_frags_ring3",
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"d_rx_msdu_htt",
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"d_rx_mpdu_htt",
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"d_rx_msdu_stack",
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"d_rx_mpdu_stack",
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"d_rx_phy_err",
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"d_rx_phy_err_drops",
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"d_rx_mpdu_errors", /* FCS, MIC, ENC */
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"d_fw_crash_count",
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"d_fw_warm_reset_count",
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"d_fw_cold_reset_count",
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};
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#define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats)
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void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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u32 sset, u8 *data)
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{
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if (sset == ETH_SS_STATS)
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memcpy(data, *ath10k_gstrings_stats,
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sizeof(ath10k_gstrings_stats));
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}
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int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif, int sset)
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{
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if (sset == ETH_SS_STATS)
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return ATH10K_SSTATS_LEN;
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return 0;
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}
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void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ethtool_stats *stats, u64 *data)
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{
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struct ath10k *ar = hw->priv;
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static const struct ath10k_fw_stats_pdev zero_stats = {};
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const struct ath10k_fw_stats_pdev *pdev_stats;
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int i = 0, ret;
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mutex_lock(&ar->conf_mutex);
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if (ar->state == ATH10K_STATE_ON) {
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ret = ath10k_debug_fw_stats_request(ar);
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if (ret) {
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/* just print a warning and try to use older results */
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ath10k_warn(ar,
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"failed to get fw stats for ethtool: %d\n",
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ret);
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}
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}
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pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs,
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struct ath10k_fw_stats_pdev,
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list);
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if (!pdev_stats) {
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/* no results available so just return zeroes */
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pdev_stats = &zero_stats;
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}
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spin_lock_bh(&ar->data_lock);
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data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */
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data[i++] = 0; /* tx bytes */
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data[i++] = pdev_stats->htt_mpdus;
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data[i++] = 0; /* rx bytes */
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data[i++] = pdev_stats->ch_noise_floor;
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data[i++] = pdev_stats->cycle_count;
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data[i++] = pdev_stats->phy_err_count;
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data[i++] = pdev_stats->rts_bad;
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data[i++] = pdev_stats->rts_good;
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data[i++] = pdev_stats->chan_tx_power;
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data[i++] = pdev_stats->fcs_bad;
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data[i++] = pdev_stats->no_beacons;
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data[i++] = pdev_stats->mpdu_enqued;
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data[i++] = pdev_stats->msdu_enqued;
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data[i++] = pdev_stats->wmm_drop;
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data[i++] = pdev_stats->local_enqued;
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data[i++] = pdev_stats->local_freed;
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data[i++] = pdev_stats->hw_queued;
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data[i++] = pdev_stats->hw_reaped;
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data[i++] = pdev_stats->underrun;
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data[i++] = pdev_stats->tx_abort;
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data[i++] = pdev_stats->mpdus_requed;
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data[i++] = pdev_stats->tx_ko;
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data[i++] = pdev_stats->data_rc;
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data[i++] = pdev_stats->sw_retry_failure;
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data[i++] = pdev_stats->illgl_rate_phy_err;
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data[i++] = pdev_stats->pdev_cont_xretry;
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data[i++] = pdev_stats->pdev_tx_timeout;
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data[i++] = pdev_stats->txop_ovf;
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data[i++] = pdev_stats->pdev_resets;
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data[i++] = pdev_stats->mid_ppdu_route_change;
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data[i++] = pdev_stats->status_rcvd;
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data[i++] = pdev_stats->r0_frags;
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data[i++] = pdev_stats->r1_frags;
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data[i++] = pdev_stats->r2_frags;
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data[i++] = pdev_stats->r3_frags;
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data[i++] = pdev_stats->htt_msdus;
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data[i++] = pdev_stats->htt_mpdus;
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data[i++] = pdev_stats->loc_msdus;
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data[i++] = pdev_stats->loc_mpdus;
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data[i++] = pdev_stats->phy_errs;
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data[i++] = pdev_stats->phy_err_drop;
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data[i++] = pdev_stats->mpdu_errs;
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data[i++] = ar->stats.fw_crash_counter;
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data[i++] = ar->stats.fw_warm_reset_counter;
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data[i++] = ar->stats.fw_cold_reset_counter;
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spin_unlock_bh(&ar->data_lock);
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mutex_unlock(&ar->conf_mutex);
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WARN_ON(i != ATH10K_SSTATS_LEN);
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}
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static const struct file_operations fops_fw_dbglog = {
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.read = ath10k_read_fw_dbglog,
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.write = ath10k_write_fw_dbglog,
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@ -63,6 +63,15 @@ void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len);
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#define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++)
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void ath10k_debug_get_et_strings(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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u32 sset, u8 *data);
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int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif, int sset);
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void ath10k_debug_get_et_stats(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ethtool_stats *stats, u64 *data);
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#else
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static inline int ath10k_debug_start(struct ath10k *ar)
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{
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@ -115,6 +124,10 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
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#define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
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#define ath10k_debug_get_et_strings NULL
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#define ath10k_debug_get_et_sset_count NULL
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#define ath10k_debug_get_et_stats NULL
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#endif /* CONFIG_ATH10K_DEBUGFS */
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#ifdef CONFIG_ATH10K_DEBUG
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@ -4505,6 +4505,9 @@ static const struct ieee80211_ops ath10k_ops = {
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.sta_rc_update = ath10k_sta_rc_update,
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.get_tsf = ath10k_get_tsf,
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.ampdu_action = ath10k_ampdu_action,
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.get_et_sset_count = ath10k_debug_get_et_sset_count,
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.get_et_stats = ath10k_debug_get_et_stats,
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.get_et_strings = ath10k_debug_get_et_strings,
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CFG80211_TESTMODE_CMD(ath10k_tm_cmd)
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