diff options
Diffstat (limited to 'drivers/staging/cw1200/ap.c')
| -rwxr-xr-x | drivers/staging/cw1200/ap.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/cw1200/ap.c b/drivers/staging/cw1200/ap.c index 494403dd28d..aabca5ca06e 100755 --- a/drivers/staging/cw1200/ap.c +++ b/drivers/staging/cw1200/ap.c @@ -23,6 +23,8 @@ #define CW1200_LINK_ID_GC_TIMEOUT ((unsigned long)(10 * HZ)) static int cw1200_upload_beacon(struct cw1200_common *priv); +static int cw1200_upload_pspoll(struct cw1200_common *priv); +static int cw1200_upload_null(struct cw1200_common *priv); static int cw1200_start_ap(struct cw1200_common *priv); static int cw1200_update_beaconing(struct cw1200_common *priv); static int cw1200_enable_beaconing(struct cw1200_common *priv, @@ -195,6 +197,56 @@ int cw1200_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, return 0; } +static int cw1200_set_btcoexinfo(struct cw1200_common *priv) +{ + struct wsm_override_internal_txrate arg; + int ret = 0; + + if (priv->mode == NL80211_IFTYPE_STATION) { + /* Plumb PSPOLL and NULL template */ + WARN_ON(cw1200_upload_pspoll(priv)); + WARN_ON(cw1200_upload_null(priv)); + } else { + return 0; + } + + memset(&arg, 0, sizeof(struct wsm_override_internal_txrate)); + + if (!priv->vif->p2p) { + /* STATION mode */ + if (priv->bss_params.operationalRateSet & ~0xF) { + ap_printk(KERN_DEBUG "[STA] STA has ERP rates\n"); + /* G or BG mode */ + arg.internalTxRate = (__ffs( + priv->bss_params.operationalRateSet & ~0xF)); + } else { + ap_printk(KERN_DEBUG "[STA] STA has non ERP rates\n"); + /* B only mode */ + arg.internalTxRate = (__ffs( + priv->association_mode.basicRateSet)); + } + arg.nonErpInternalTxRate = (__ffs( + priv->association_mode.basicRateSet)); + } else { + /* P2P mode */ + arg.internalTxRate = (__ffs( + priv->bss_params.operationalRateSet & ~0xF)); + arg.nonErpInternalTxRate = (__ffs( + priv->bss_params.operationalRateSet & ~0xF)); + } + + ap_printk(KERN_DEBUG "[STA] BTCOEX_INFO" + "MODE %d, internalTxRate : %x, nonErpInternalTxRate: %x\n", + priv->mode, + arg.internalTxRate, + arg.nonErpInternalTxRate); + + ret = WARN_ON(wsm_write_mib(priv, WSM_MIB_ID_OVERRIDE_INTERNAL_TX_RATE, + &arg, sizeof(arg))); + + return ret; +} + void cw1200_bss_info_changed(struct ieee80211_hw *dev, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, @@ -389,6 +441,9 @@ void cw1200_bss_info_changed(struct ieee80211_hw *dev, WARN_ON(wsm_set_beacon_wakeup_period(priv, dtim_interval, listen_interval)); cw1200_set_pm(priv, &priv->powersave_mode); + + if (priv->is_BT_Present) + WARN_ON(cw1200_set_btcoexinfo(priv)); #if 0 /* It's better to override internal TX rete; otherwise * device sends RTS at too high rate. However device @@ -683,6 +738,46 @@ static int cw1200_upload_beacon(struct cw1200_common *priv) return ret; } +static int cw1200_upload_pspoll(struct cw1200_common *priv) +{ + int ret = 0; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_PS_POLL, + .rate = 0xFF, + }; + + + frame.skb = ieee80211_pspoll_get(priv->hw, priv->vif); + if (WARN_ON(!frame.skb)) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + dev_kfree_skb(frame.skb); + + return ret; +} + +static int cw1200_upload_null(struct cw1200_common *priv) +{ + int ret = 0; + struct wsm_template_frame frame = { + .frame_type = WSM_FRAME_TYPE_NULL, + .rate = 0xFF, + }; + + + frame.skb = ieee80211_nullfunc_get(priv->hw, priv->vif); + if (WARN_ON(!frame.skb)) + return -ENOMEM; + + ret = wsm_set_template_frame(priv, &frame); + + dev_kfree_skb(frame.skb); + + return ret; +} + static int cw1200_enable_beaconing(struct cw1200_common *priv, bool enable) { |