From 029cd0370241641eb70235d205aa0b90c84dce44 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 24 Sep 2015 16:59:46 +0200 Subject: ath9k: declare required extra tx headroom ath9k inserts padding between the 802.11 header and the data area (to align it). Since it didn't declare this extra required headroom, this led to some nasty issues like randomly dropped packets in some setups. Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/init.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath/ath9k/init.c') diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 57f95f2dca5b..90eb75012e4f 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -880,6 +880,7 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->max_rate_tries = 10; hw->sta_data_size = sizeof(struct ath_node); hw->vif_data_size = sizeof(struct ath_vif); + hw->extra_tx_headroom = 4; hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1; hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1; -- cgit v1.2.3 From 862a336c8302695cbac6d8d752ee9a2429487478 Mon Sep 17 00:00:00 2001 From: Jan Kaisrlik Date: Thu, 17 Sep 2015 14:03:46 +0200 Subject: ath9k: Add support for OCB mode The patch adds support for "outside the context of a BSS"(OCB) mode to ath9k driver and extends debugfs files by OCB ralated information. This patch was tested on AR9380-AL1A cards. Signed-off-by: Jan Kaisrlik Cc: Michal Sojka Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ath9k.h | 1 + drivers/net/wireless/ath/ath9k/debug.c | 4 ++-- drivers/net/wireless/ath/ath9k/htc_drv_init.c | 3 ++- drivers/net/wireless/ath/ath9k/hw.c | 1 + drivers/net/wireless/ath/ath9k/init.c | 3 ++- drivers/net/wireless/ath/ath9k/main.c | 8 +++++++- drivers/net/wireless/ath/ath9k/recv.c | 2 +- 7 files changed, 16 insertions(+), 6 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/init.c') diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index c85c47978e1e..b42f4a963ef4 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -635,6 +635,7 @@ struct ath9k_vif_iter_data { int nstations; /* number of station vifs */ int nwds; /* number of WDS vifs */ int nadhocs; /* number of adhoc vifs */ + int nocbs; /* number of OCB vifs */ struct ieee80211_vif *primary_sta; }; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index da32c8faad94..6de64cface3c 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -741,8 +741,8 @@ static int read_file_misc(struct seq_file *file, void *data) i++, (int)(ctx->assigned), iter_data.naps, iter_data.nstations, iter_data.nmeshes, iter_data.nwds); - seq_printf(file, " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n", - iter_data.nadhocs, sc->cur_chan->nvifs, + seq_printf(file, " ADHOC: %i OCB: %i TOTAL: %hi BEACON-VIF: %hi\n", + iter_data.nadhocs, iter_data.nocbs, sc->cur_chan->nvifs, sc->nbcnvifs); } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index efe77db96570..8647ab77c019 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -740,7 +740,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_MESH_POINT); + BIT(NL80211_IFTYPE_MESH_POINT) | + BIT(NL80211_IFTYPE_OCB); hw->wiphy->iface_combinations = &if_comb; hw->wiphy->n_iface_combinations = 1; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 1dd0339de372..bdfff4641931 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1241,6 +1241,7 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode) break; } /* fall through */ + case NL80211_IFTYPE_OCB: case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_AP: set |= AR_STA_ID1_STA_AP; diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 57f95f2dca5b..5d532c7b813f 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -855,7 +855,8 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_MESH_POINT) | - BIT(NL80211_IFTYPE_WDS); + BIT(NL80211_IFTYPE_WDS) | + BIT(NL80211_IFTYPE_OCB); if (ath9k_is_chanctx_enabled()) hw->wiphy->interface_modes |= diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c27143ba9ffb..56abb9ddae67 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -938,6 +938,9 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, if (avp->assoc && !iter_data->primary_sta) iter_data->primary_sta = vif; break; + case NL80211_IFTYPE_OCB: + iter_data->nocbs++; + break; case NL80211_IFTYPE_ADHOC: iter_data->nadhocs++; if (vif->bss_conf.enable_beacon) @@ -1111,6 +1114,8 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, if (iter_data.nmeshes) ah->opmode = NL80211_IFTYPE_MESH_POINT; + else if (iter_data.nocbs) + ah->opmode = NL80211_IFTYPE_OCB; else if (iter_data.nwds) ah->opmode = NL80211_IFTYPE_AP; else if (iter_data.nadhocs) @@ -1760,7 +1765,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, ath9k_calculate_summary_state(sc, avp->chanctx); } - if (changed & BSS_CHANGED_IBSS) { + if ((changed & BSS_CHANGED_IBSS) || + (changed & BSS_CHANGED_OCB)) { memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); common->curaid = bss_conf->aid; ath9k_hw_write_associd(sc->sc_ah); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index d3189daf9996..994daf6c6297 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -403,7 +403,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc) (sc->cur_chan->nvifs <= 1) && !(sc->cur_chan->rxfilter & FIF_BCN_PRBRESP_PROMISC)) rfilt |= ATH9K_RX_FILTER_MYBEACON; - else + else if (sc->sc_ah->opmode != NL80211_IFTYPE_OCB) rfilt |= ATH9K_RX_FILTER_BEACON; if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || -- cgit v1.2.3