diff options
| -rw-r--r-- | package/kernel/mac80211/patches/395-ath9k-add-back-support-for-using-active-monitor-inte.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/395-ath9k-add-back-support-for-using-active-monitor-inte.patch b/package/kernel/mac80211/patches/395-ath9k-add-back-support-for-using-active-monitor-inte.patch new file mode 100644 index 0000000000..abd0fdc210 --- /dev/null +++ b/package/kernel/mac80211/patches/395-ath9k-add-back-support-for-using-active-monitor-inte.patch @@ -0,0 +1,96 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 22 Sep 2018 15:20:50 +0200 +Subject: [PATCH] ath9k: add back support for using active monitor interfaces + for tx99 + +Various documented examples on how to set up tx99 with ath9k rely +on setting up a regular monitor interface for setting the channel. +My previous patch "ath9k: fix tx99 with monitor mode interface" made +it possible to set it up this way again. However, it was removing support +for using an active monitor interface, which is required for controlling +the bitrate as well, since the bitrate is not passed down with a regular +monitor interface. + +This patch partially reverts the previous one, but keeps support for using +a regular monitor interface to keep documented steps working in cases +where the bitrate does not matter + +Fixes: d9c52fd17cb48 ("ath9k: fix tx99 with monitor mode interface") +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/wireless/ath/ath9k/ath9k.h ++++ b/drivers/net/wireless/ath/ath9k/ath9k.h +@@ -1074,6 +1074,7 @@ struct ath_softc { + + struct ath_spec_scan_priv spec_priv; + ++ struct ieee80211_vif *tx99_vif; + struct sk_buff *tx99_skb; + bool tx99_state; + s16 tx99_power; +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -1251,8 +1251,13 @@ static int ath9k_add_interface(struct ie + struct ath_vif *avp = (void *)vif->drv_priv; + struct ath_node *an = &avp->mcast_node; + +- if (IS_ENABLED(CPTCFG_ATH9K_TX99)) +- return -EOPNOTSUPP; ++ if (IS_ENABLED(CPTCFG_ATH9K_TX99)) { ++ if (sc->cur_chan->nvifs >= 1) { ++ mutex_unlock(&sc->mutex); ++ return -EOPNOTSUPP; ++ } ++ sc->tx99_vif = vif; ++ } + + mutex_lock(&sc->mutex); + +@@ -1337,6 +1342,7 @@ static void ath9k_remove_interface(struc + ath9k_p2p_remove_vif(sc, vif); + + sc->cur_chan->nvifs--; ++ sc->tx99_vif = NULL; + if (!ath9k_is_chanctx_enabled()) + list_del(&avp->list); + +--- a/drivers/net/wireless/ath/ath9k/tx99.c ++++ b/drivers/net/wireless/ath/ath9k/tx99.c +@@ -54,6 +54,7 @@ static struct sk_buff *ath9k_build_tx99_ + struct ieee80211_hdr *hdr; + struct ieee80211_tx_info *tx_info; + struct sk_buff *skb; ++ struct ath_vif *avp; + + skb = alloc_skb(len, GFP_KERNEL); + if (!skb) +@@ -71,11 +72,17 @@ static struct sk_buff *ath9k_build_tx99_ + memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN); + memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN); + ++ if (sc->tx99_vif) { ++ avp = (struct ath_vif *) sc->tx99_vif->drv_priv; ++ hdr->seq_ctrl |= cpu_to_le16(avp->seq_no); ++ } ++ + tx_info = IEEE80211_SKB_CB(skb); + memset(tx_info, 0, sizeof(*tx_info)); + rate = &tx_info->control.rates[0]; + tx_info->band = sc->cur_chan->chandef.chan->band; + tx_info->flags = IEEE80211_TX_CTL_NO_ACK; ++ tx_info->control.vif = sc->tx99_vif; + rate->count = 1; + if (ah->curchan && IS_CHAN_HT(ah->curchan)) { + rate->flags |= IEEE80211_TX_RC_MCS; +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -2973,7 +2973,7 @@ int ath9k_tx99_send(struct ath_softc *sc + return -EINVAL; + } + +- ath_set_rates(NULL, NULL, bf); ++ ath_set_rates(sc->tx99_vif, NULL, bf); + + ath9k_hw_set_desc_link(sc->sc_ah, bf->bf_desc, bf->bf_daddr); + ath9k_hw_tx99_start(sc->sc_ah, txctl->txq->axq_qnum); |