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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2014-08-22 19:09:26 +0400
committerJohn W. Linville <linville@tuxdriver.com>2014-08-28 22:41:57 +0400
commitdfcbb3e8f4992b9f618cbe03a0ce90f704135ebf (patch)
treed9a1c2c457adf970faadcdce391b943239a122af /drivers/net
parent4f6816913f5e0bc4c983674a14a08c6e3729b449 (diff)
downloadlinux-dfcbb3e8f4992b9f618cbe03a0ce90f704135ebf.tar.xz
ath9k: Move channel operations to channel.c
This reduces clutter in main.c Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/channel.c202
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c202
3 files changed, 205 insertions, 202 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 7fc13a8da675..17b198e067b3 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -432,6 +432,9 @@ struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc,
void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
enum ath_chanctx_event ev);
void ath_chanctx_timer(unsigned long data);
+void ath_offchannel_next(struct ath_softc *sc);
+void ath_scan_complete(struct ath_softc *sc, bool abort);
+void ath_roc_complete(struct ath_softc *sc, bool abort);
int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
int ath_startrecv(struct ath_softc *sc);
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index ba214ebdcd16..0ce9e40c7ce1 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -683,3 +683,205 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
spin_unlock_bh(&sc->chan_lock);
}
+
+static int ath_scan_channel_duration(struct ath_softc *sc,
+ struct ieee80211_channel *chan)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+
+ if (!req->n_ssids || (chan->flags & IEEE80211_CHAN_NO_IR))
+ return (HZ / 9); /* ~110 ms */
+
+ return (HZ / 16); /* ~60 ms */
+}
+
+static void
+ath_scan_next_channel(struct ath_softc *sc)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ struct ieee80211_channel *chan;
+
+ if (sc->offchannel.scan_idx >= req->n_channels) {
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
+ NULL);
+ return;
+ }
+
+ chan = req->channels[sc->offchannel.scan_idx++];
+ sc->offchannel.duration = ath_scan_channel_duration(sc, chan);
+ sc->offchannel.state = ATH_OFFCHANNEL_PROBE_SEND;
+ ath_chanctx_offchan_switch(sc, chan);
+}
+
+void ath_offchannel_next(struct ath_softc *sc)
+{
+ struct ieee80211_vif *vif;
+
+ if (sc->offchannel.scan_req) {
+ vif = sc->offchannel.scan_vif;
+ sc->offchannel.chan.txpower = vif->bss_conf.txpower;
+ ath_scan_next_channel(sc);
+ } else if (sc->offchannel.roc_vif) {
+ vif = sc->offchannel.roc_vif;
+ sc->offchannel.chan.txpower = vif->bss_conf.txpower;
+ sc->offchannel.duration = sc->offchannel.roc_duration;
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_START;
+ ath_chanctx_offchan_switch(sc, sc->offchannel.roc_chan);
+ } else {
+ ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
+ NULL);
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ if (sc->ps_idle)
+ ath_cancel_work(sc);
+ }
+}
+
+void ath_roc_complete(struct ath_softc *sc, bool abort)
+{
+ sc->offchannel.roc_vif = NULL;
+ sc->offchannel.roc_chan = NULL;
+ if (!abort)
+ ieee80211_remain_on_channel_expired(sc->hw);
+ ath_offchannel_next(sc);
+ ath9k_ps_restore(sc);
+}
+
+void ath_scan_complete(struct ath_softc *sc, bool abort)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+ sc->offchannel.scan_req = NULL;
+ sc->offchannel.scan_vif = NULL;
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ ieee80211_scan_completed(sc->hw, abort);
+ clear_bit(ATH_OP_SCANNING, &common->op_flags);
+ ath_offchannel_next(sc);
+ ath9k_ps_restore(sc);
+}
+
+static void ath_scan_send_probe(struct ath_softc *sc,
+ struct cfg80211_ssid *ssid)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ struct ieee80211_vif *vif = sc->offchannel.scan_vif;
+ struct ath_tx_control txctl = {};
+ struct sk_buff *skb;
+ struct ieee80211_tx_info *info;
+ int band = sc->offchannel.chan.chandef.chan->band;
+
+ skb = ieee80211_probereq_get(sc->hw, vif,
+ ssid->ssid, ssid->ssid_len, req->ie_len);
+ if (!skb)
+ return;
+
+ info = IEEE80211_SKB_CB(skb);
+ if (req->no_cck)
+ info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
+
+ if (req->ie_len)
+ memcpy(skb_put(skb, req->ie_len), req->ie, req->ie_len);
+
+ skb_set_queue_mapping(skb, IEEE80211_AC_VO);
+
+ if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))
+ goto error;
+
+ txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];
+ txctl.force_channel = true;
+ if (ath_tx_start(sc->hw, skb, &txctl))
+ goto error;
+
+ return;
+
+error:
+ ieee80211_free_txskb(sc->hw, skb);
+}
+
+static void ath_scan_channel_start(struct ath_softc *sc)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ int i;
+
+ if (!(sc->cur_chan->chandef.chan->flags & IEEE80211_CHAN_NO_IR) &&
+ req->n_ssids) {
+ for (i = 0; i < req->n_ssids; i++)
+ ath_scan_send_probe(sc, &req->ssids[i]);
+
+ }
+
+ sc->offchannel.state = ATH_OFFCHANNEL_PROBE_WAIT;
+ mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
+}
+
+void ath_offchannel_channel_change(struct ath_softc *sc)
+{
+ switch (sc->offchannel.state) {
+ case ATH_OFFCHANNEL_PROBE_SEND:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ if (sc->cur_chan->chandef.chan !=
+ sc->offchannel.chan.chandef.chan)
+ return;
+
+ ath_scan_channel_start(sc);
+ break;
+ case ATH_OFFCHANNEL_IDLE:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ ath_scan_complete(sc, false);
+ break;
+ case ATH_OFFCHANNEL_ROC_START:
+ if (sc->cur_chan != &sc->offchannel.chan)
+ break;
+
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;
+ mod_timer(&sc->offchannel.timer, jiffies +
+ msecs_to_jiffies(sc->offchannel.duration));
+ ieee80211_ready_on_channel(sc->hw);
+ break;
+ case ATH_OFFCHANNEL_ROC_DONE:
+ ath_roc_complete(sc, false);
+ break;
+ default:
+ break;
+ }
+}
+
+void ath_offchannel_timer(unsigned long data)
+{
+ struct ath_softc *sc = (struct ath_softc *)data;
+ struct ath_chanctx *ctx;
+
+ switch (sc->offchannel.state) {
+ case ATH_OFFCHANNEL_PROBE_WAIT:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ /* get first active channel context */
+ ctx = ath_chanctx_get_oper_chan(sc, true);
+ if (ctx->active) {
+ sc->offchannel.state = ATH_OFFCHANNEL_SUSPEND;
+ ath_chanctx_switch(sc, ctx, NULL);
+ mod_timer(&sc->offchannel.timer, jiffies + HZ / 10);
+ break;
+ }
+ /* fall through */
+ case ATH_OFFCHANNEL_SUSPEND:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ ath_scan_next_channel(sc);
+ break;
+ case ATH_OFFCHANNEL_ROC_START:
+ case ATH_OFFCHANNEL_ROC_WAIT:
+ ctx = ath_chanctx_get_oper_chan(sc, false);
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_DONE;
+ ath_chanctx_switch(sc, ctx, NULL);
+ break;
+ default:
+ break;
+ }
+}
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index e6ac8d2e610c..b1d15f31b0a9 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2207,208 +2207,6 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
clear_bit(ATH_OP_SCANNING, &common->op_flags);
}
-static int ath_scan_channel_duration(struct ath_softc *sc,
- struct ieee80211_channel *chan)
-{
- struct cfg80211_scan_request *req = sc->offchannel.scan_req;
-
- if (!req->n_ssids || (chan->flags & IEEE80211_CHAN_NO_IR))
- return (HZ / 9); /* ~110 ms */
-
- return (HZ / 16); /* ~60 ms */
-}
-
-static void
-ath_scan_next_channel(struct ath_softc *sc)
-{
- struct cfg80211_scan_request *req = sc->offchannel.scan_req;
- struct ieee80211_channel *chan;
-
- if (sc->offchannel.scan_idx >= req->n_channels) {
- sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
- ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
- NULL);
- return;
- }
-
- chan = req->channels[sc->offchannel.scan_idx++];
- sc->offchannel.duration = ath_scan_channel_duration(sc, chan);
- sc->offchannel.state = ATH_OFFCHANNEL_PROBE_SEND;
- ath_chanctx_offchan_switch(sc, chan);
-}
-
-static void ath_offchannel_next(struct ath_softc *sc)
-{
- struct ieee80211_vif *vif;
-
- if (sc->offchannel.scan_req) {
- vif = sc->offchannel.scan_vif;
- sc->offchannel.chan.txpower = vif->bss_conf.txpower;
- ath_scan_next_channel(sc);
- } else if (sc->offchannel.roc_vif) {
- vif = sc->offchannel.roc_vif;
- sc->offchannel.chan.txpower = vif->bss_conf.txpower;
- sc->offchannel.duration = sc->offchannel.roc_duration;
- sc->offchannel.state = ATH_OFFCHANNEL_ROC_START;
- ath_chanctx_offchan_switch(sc, sc->offchannel.roc_chan);
- } else {
- ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
- NULL);
- sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
- if (sc->ps_idle)
- ath_cancel_work(sc);
- }
-}
-
-static void ath_roc_complete(struct ath_softc *sc, bool abort)
-{
- sc->offchannel.roc_vif = NULL;
- sc->offchannel.roc_chan = NULL;
- if (!abort)
- ieee80211_remain_on_channel_expired(sc->hw);
- ath_offchannel_next(sc);
- ath9k_ps_restore(sc);
-}
-
-static void ath_scan_complete(struct ath_softc *sc, bool abort)
-{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-
- sc->offchannel.scan_req = NULL;
- sc->offchannel.scan_vif = NULL;
- sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
- ieee80211_scan_completed(sc->hw, abort);
- clear_bit(ATH_OP_SCANNING, &common->op_flags);
- ath_offchannel_next(sc);
- ath9k_ps_restore(sc);
-}
-
-static void ath_scan_send_probe(struct ath_softc *sc,
- struct cfg80211_ssid *ssid)
-{
- struct cfg80211_scan_request *req = sc->offchannel.scan_req;
- struct ieee80211_vif *vif = sc->offchannel.scan_vif;
- struct ath_tx_control txctl = {};
- struct sk_buff *skb;
- struct ieee80211_tx_info *info;
- int band = sc->offchannel.chan.chandef.chan->band;
-
- skb = ieee80211_probereq_get(sc->hw, vif,
- ssid->ssid, ssid->ssid_len, req->ie_len);
- if (!skb)
- return;
-
- info = IEEE80211_SKB_CB(skb);
- if (req->no_cck)
- info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
-
- if (req->ie_len)
- memcpy(skb_put(skb, req->ie_len), req->ie, req->ie_len);
-
- skb_set_queue_mapping(skb, IEEE80211_AC_VO);
-
- if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))
- goto error;
-
- txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];
- txctl.force_channel = true;
- if (ath_tx_start(sc->hw, skb, &txctl))
- goto error;
-
- return;
-
-error:
- ieee80211_free_txskb(sc->hw, skb);
-}
-
-static void ath_scan_channel_start(struct ath_softc *sc)
-{
- struct cfg80211_scan_request *req = sc->offchannel.scan_req;
- int i;
-
- if (!(sc->cur_chan->chandef.chan->flags & IEEE80211_CHAN_NO_IR) &&
- req->n_ssids) {
- for (i = 0; i < req->n_ssids; i++)
- ath_scan_send_probe(sc, &req->ssids[i]);
-
- }
-
- sc->offchannel.state = ATH_OFFCHANNEL_PROBE_WAIT;
- mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
-}
-
-void ath_offchannel_channel_change(struct ath_softc *sc)
-{
- switch (sc->offchannel.state) {
- case ATH_OFFCHANNEL_PROBE_SEND:
- if (!sc->offchannel.scan_req)
- return;
-
- if (sc->cur_chan->chandef.chan !=
- sc->offchannel.chan.chandef.chan)
- return;
-
- ath_scan_channel_start(sc);
- break;
- case ATH_OFFCHANNEL_IDLE:
- if (!sc->offchannel.scan_req)
- return;
-
- ath_scan_complete(sc, false);
- break;
- case ATH_OFFCHANNEL_ROC_START:
- if (sc->cur_chan != &sc->offchannel.chan)
- break;
-
- sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;
- mod_timer(&sc->offchannel.timer, jiffies +
- msecs_to_jiffies(sc->offchannel.duration));
- ieee80211_ready_on_channel(sc->hw);
- break;
- case ATH_OFFCHANNEL_ROC_DONE:
- ath_roc_complete(sc, false);
- break;
- default:
- break;
- }
-}
-
-void ath_offchannel_timer(unsigned long data)
-{
- struct ath_softc *sc = (struct ath_softc *)data;
- struct ath_chanctx *ctx;
-
- switch (sc->offchannel.state) {
- case ATH_OFFCHANNEL_PROBE_WAIT:
- if (!sc->offchannel.scan_req)
- return;
-
- /* get first active channel context */
- ctx = ath_chanctx_get_oper_chan(sc, true);
- if (ctx->active) {
- sc->offchannel.state = ATH_OFFCHANNEL_SUSPEND;
- ath_chanctx_switch(sc, ctx, NULL);
- mod_timer(&sc->offchannel.timer, jiffies + HZ / 10);
- break;
- }
- /* fall through */
- case ATH_OFFCHANNEL_SUSPEND:
- if (!sc->offchannel.scan_req)
- return;
-
- ath_scan_next_channel(sc);
- break;
- case ATH_OFFCHANNEL_ROC_START:
- case ATH_OFFCHANNEL_ROC_WAIT:
- ctx = ath_chanctx_get_oper_chan(sc, false);
- sc->offchannel.state = ATH_OFFCHANNEL_ROC_DONE;
- ath_chanctx_switch(sc, ctx, NULL);
- break;
- default:
- break;
- }
-}
-
static int ath9k_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
{