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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-13 16:36:53 +07:00
ath9k: Add debug information
Add a few statements to debug channel context operation. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan
John W. Linville
parent
dfcbb3e8f4
commit
bc81d43ad2
@ -16,6 +16,23 @@
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#include "ath9k.h"
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static const char *offchannel_state_string(enum ath_offchannel_state state)
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{
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#define case_rtn_string(val) case val: return #val
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switch (state) {
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case_rtn_string(ATH_OFFCHANNEL_IDLE);
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case_rtn_string(ATH_OFFCHANNEL_PROBE_SEND);
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case_rtn_string(ATH_OFFCHANNEL_PROBE_WAIT);
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case_rtn_string(ATH_OFFCHANNEL_SUSPEND);
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case_rtn_string(ATH_OFFCHANNEL_ROC_START);
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case_rtn_string(ATH_OFFCHANNEL_ROC_WAIT);
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case_rtn_string(ATH_OFFCHANNEL_ROC_DONE);
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default:
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return "unknown";
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}
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}
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/* Set/change channels. If the channel is really being changed, it's done
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* by reseting the chip. To accomplish this we must first cleanup any pending
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* DMA, then restart stuff.
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@ -373,13 +390,23 @@ void ath_chanctx_switch(struct ath_softc *sc, struct ath_chanctx *ctx,
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}
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sc->next_chan = ctx;
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if (chandef)
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if (chandef) {
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ctx->chandef = *chandef;
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ath_dbg(common, CHAN_CTX,
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"Assigned next_chan to %d MHz\n", chandef->center_freq1);
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}
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if (sc->next_chan == &sc->offchannel.chan) {
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sc->sched.offchannel_duration =
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TU_TO_USEC(sc->offchannel.duration) +
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sc->sched.channel_switch_time;
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if (chandef) {
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ath_dbg(common, CHAN_CTX,
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"Offchannel duration for chan %d MHz : %u\n",
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chandef->center_freq1,
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sc->sched.offchannel_duration);
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}
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}
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spin_unlock_bh(&sc->chan_lock);
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ieee80211_queue_work(sc->hw, &sc->chanctx_work);
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@ -422,9 +449,12 @@ struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc, bool active)
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void ath_chanctx_offchan_switch(struct ath_softc *sc,
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struct ieee80211_channel *chan)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct cfg80211_chan_def chandef;
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cfg80211_chandef_create(&chandef, chan, NL80211_CHAN_NO_HT);
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ath_dbg(common, CHAN_CTX,
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"Channel definition created: %d MHz\n", chandef.center_freq1);
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ath_chanctx_switch(sc, &sc->offchannel.chan, &chandef);
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}
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@ -698,19 +728,30 @@ static int ath_scan_channel_duration(struct ath_softc *sc,
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static void
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ath_scan_next_channel(struct ath_softc *sc)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct cfg80211_scan_request *req = sc->offchannel.scan_req;
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struct ieee80211_channel *chan;
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if (sc->offchannel.scan_idx >= req->n_channels) {
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ath_dbg(common, CHAN_CTX,
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"Moving to ATH_OFFCHANNEL_IDLE state, scan_idx: %d, n_channels: %d\n",
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sc->offchannel.scan_idx,
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req->n_channels);
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sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
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ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
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NULL);
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return;
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}
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ath_dbg(common, CHAN_CTX,
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"Moving to ATH_OFFCHANNEL_PROBE_SEND state, scan_idx: %d\n",
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sc->offchannel.scan_idx);
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chan = req->channels[sc->offchannel.scan_idx++];
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sc->offchannel.duration = ath_scan_channel_duration(sc, chan);
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sc->offchannel.state = ATH_OFFCHANNEL_PROBE_SEND;
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ath_chanctx_offchan_switch(sc, chan);
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}
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@ -751,6 +792,11 @@ void ath_scan_complete(struct ath_softc *sc, bool abort)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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if (abort)
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ath_dbg(common, CHAN_CTX, "HW scan aborted\n");
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else
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ath_dbg(common, CHAN_CTX, "HW scan complete\n");
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sc->offchannel.scan_req = NULL;
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sc->offchannel.scan_vif = NULL;
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sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
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@ -800,6 +846,7 @@ static void ath_scan_send_probe(struct ath_softc *sc,
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static void ath_scan_channel_start(struct ath_softc *sc)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct cfg80211_scan_request *req = sc->offchannel.scan_req;
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int i;
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@ -810,12 +857,20 @@ static void ath_scan_channel_start(struct ath_softc *sc)
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}
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ath_dbg(common, CHAN_CTX,
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"Moving to ATH_OFFCHANNEL_PROBE_WAIT state\n");
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sc->offchannel.state = ATH_OFFCHANNEL_PROBE_WAIT;
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mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
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}
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void ath_offchannel_channel_change(struct ath_softc *sc)
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{
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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ath_dbg(common, CHAN_CTX, "%s: state: %s\n",
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__func__, offchannel_state_string(sc->offchannel.state));
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switch (sc->offchannel.state) {
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case ATH_OFFCHANNEL_PROBE_SEND:
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if (!sc->offchannel.scan_req)
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@ -854,6 +909,10 @@ void ath_offchannel_timer(unsigned long data)
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{
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struct ath_softc *sc = (struct ath_softc *)data;
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struct ath_chanctx *ctx;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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ath_dbg(common, CHAN_CTX, "%s: state: %s\n",
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__func__, offchannel_state_string(sc->offchannel.state));
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switch (sc->offchannel.state) {
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case ATH_OFFCHANNEL_PROBE_WAIT:
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@ -2228,8 +2228,13 @@ static int ath9k_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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sc->offchannel.scan_req = req;
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sc->offchannel.scan_idx = 0;
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if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE)
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ath_dbg(common, CHAN_CTX, "HW scan request received on vif: %pM\n",
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vif->addr);
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if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE) {
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ath_dbg(common, CHAN_CTX, "Starting HW scan\n");
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ath_offchannel_next(sc);
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}
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out:
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mutex_unlock(&sc->mutex);
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@ -2241,6 +2246,9 @@ static void ath9k_cancel_hw_scan(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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ath_dbg(common, CHAN_CTX, "Cancel HW scan on vif: %pM\n", vif->addr);
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mutex_lock(&sc->mutex);
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del_timer_sync(&sc->offchannel.timer);
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@ -2254,6 +2262,7 @@ static int ath9k_remain_on_channel(struct ieee80211_hw *hw,
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enum ieee80211_roc_type type)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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int ret = 0;
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mutex_lock(&sc->mutex);
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@ -2268,8 +2277,14 @@ static int ath9k_remain_on_channel(struct ieee80211_hw *hw,
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sc->offchannel.roc_chan = chan;
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sc->offchannel.roc_duration = duration;
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if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE)
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ath_dbg(common, CHAN_CTX,
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"RoC request on vif: %pM, type: %d duration: %d\n",
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vif->addr, type, duration);
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if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE) {
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ath_dbg(common, CHAN_CTX, "Starting RoC period\n");
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ath_offchannel_next(sc);
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}
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out:
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mutex_unlock(&sc->mutex);
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@ -2280,9 +2295,11 @@ static int ath9k_remain_on_channel(struct ieee80211_hw *hw,
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static int ath9k_cancel_remain_on_channel(struct ieee80211_hw *hw)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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mutex_lock(&sc->mutex);
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ath_dbg(common, CHAN_CTX, "Cancel RoC\n");
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del_timer_sync(&sc->offchannel.timer);
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if (sc->offchannel.roc_vif) {
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@ -2299,6 +2316,7 @@ static int ath9k_add_chanctx(struct ieee80211_hw *hw,
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struct ieee80211_chanctx_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_chanctx *ctx, **ptr;
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int pos;
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@ -2313,10 +2331,16 @@ static int ath9k_add_chanctx(struct ieee80211_hw *hw,
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ctx->assigned = true;
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pos = ctx - &sc->chanctx[0];
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ctx->hw_queue_base = pos * IEEE80211_NUM_ACS;
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ath_dbg(common, CHAN_CTX,
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"Add channel context: %d MHz\n",
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conf->def.chan->center_freq);
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ath_chanctx_set_channel(sc, ctx, &conf->def);
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mutex_unlock(&sc->mutex);
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return 0;
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}
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mutex_unlock(&sc->mutex);
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return -ENOSPC;
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}
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@ -2326,12 +2350,19 @@ static void ath9k_remove_chanctx(struct ieee80211_hw *hw,
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struct ieee80211_chanctx_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_chanctx *ctx = ath_chanctx_get(conf);
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mutex_lock(&sc->mutex);
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ath_dbg(common, CHAN_CTX,
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"Remove channel context: %d MHz\n",
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conf->def.chan->center_freq);
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ctx->assigned = false;
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ctx->hw_queue_base = -1;
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ath_chanctx_event(sc, NULL, ATH_CHANCTX_EVENT_UNASSIGN);
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mutex_unlock(&sc->mutex);
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}
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@ -2340,9 +2371,13 @@ static void ath9k_change_chanctx(struct ieee80211_hw *hw,
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u32 changed)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_chanctx *ctx = ath_chanctx_get(conf);
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mutex_lock(&sc->mutex);
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ath_dbg(common, CHAN_CTX,
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"Change channel context: %d MHz\n",
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conf->def.chan->center_freq);
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ath_chanctx_set_channel(sc, ctx, &conf->def);
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mutex_unlock(&sc->mutex);
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}
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@ -2352,16 +2387,24 @@ static int ath9k_assign_vif_chanctx(struct ieee80211_hw *hw,
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struct ieee80211_chanctx_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_vif *avp = (void *)vif->drv_priv;
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struct ath_chanctx *ctx = ath_chanctx_get(conf);
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int i;
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mutex_lock(&sc->mutex);
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ath_dbg(common, CHAN_CTX,
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"Assign VIF (addr: %pM, type: %d, p2p: %d) to channel context: %d MHz\n",
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vif->addr, vif->type, vif->p2p,
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conf->def.chan->center_freq);
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avp->chanctx = ctx;
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list_add_tail(&avp->list, &ctx->vifs);
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ath9k_calculate_summary_state(sc, ctx);
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for (i = 0; i < IEEE80211_NUM_ACS; i++)
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vif->hw_queue[i] = ctx->hw_queue_base + i;
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mutex_unlock(&sc->mutex);
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return 0;
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@ -2372,16 +2415,24 @@ static void ath9k_unassign_vif_chanctx(struct ieee80211_hw *hw,
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struct ieee80211_chanctx_conf *conf)
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{
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struct ath_softc *sc = hw->priv;
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struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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struct ath_vif *avp = (void *)vif->drv_priv;
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struct ath_chanctx *ctx = ath_chanctx_get(conf);
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int ac;
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mutex_lock(&sc->mutex);
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ath_dbg(common, CHAN_CTX,
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"Remove VIF (addr: %pM, type: %d, p2p: %d) from channel context: %d MHz\n",
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vif->addr, vif->type, vif->p2p,
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conf->def.chan->center_freq);
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avp->chanctx = NULL;
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list_del(&avp->list);
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ath9k_calculate_summary_state(sc, ctx);
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for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
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vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE;
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mutex_unlock(&sc->mutex);
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}
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@ -2390,16 +2441,16 @@ void ath9k_fill_chanctx_ops(void)
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if (!ath9k_use_chanctx)
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return;
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ath9k_ops.hw_scan = ath9k_hw_scan;
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ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan;
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ath9k_ops.remain_on_channel = ath9k_remain_on_channel;
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ath9k_ops.hw_scan = ath9k_hw_scan;
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ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan;
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ath9k_ops.remain_on_channel = ath9k_remain_on_channel;
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ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel;
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ath9k_ops.add_chanctx = ath9k_add_chanctx;
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ath9k_ops.remove_chanctx = ath9k_remove_chanctx;
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ath9k_ops.change_chanctx = ath9k_change_chanctx;
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ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx;
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ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx;
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ath9k_ops.mgd_prepare_tx = ath9k_chanctx_force_active;
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ath9k_ops.add_chanctx = ath9k_add_chanctx;
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ath9k_ops.remove_chanctx = ath9k_remove_chanctx;
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ath9k_ops.change_chanctx = ath9k_change_chanctx;
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ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx;
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ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx;
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ath9k_ops.mgd_prepare_tx = ath9k_chanctx_force_active;
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}
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struct ieee80211_ops ath9k_ops = {
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