From e8c58e7a5a106c3d557fccd01cd4d1128f9bab38 Mon Sep 17 00:00:00 2001 From: Jahnavi Meher Date: Mon, 16 Jun 2014 19:47:03 +0530 Subject: [PATCH] rsi: Changes for 40MHz Added code required for 40MHz. Signed-off-by: Jahnavi Meher Signed-off-by: John W. Linville --- drivers/net/wireless/rsi/rsi_91x_mac80211.c | 2 +- drivers/net/wireless/rsi/rsi_91x_mgmt.c | 40 ++++++++++----------- drivers/net/wireless/rsi/rsi_91x_pkt.c | 11 ++++++ 3 files changed, 31 insertions(+), 22 deletions(-) diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index 1cb316417887..aeaf87bb5518 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -177,7 +177,7 @@ static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) sbands->ht_cap.cap = (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40); - sbands->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K; + sbands->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; sbands->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; sbands->ht_cap.mcs.rx_mask[0] = 0xff; sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 3ef343469c4e..83abe580cf5f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -277,7 +277,6 @@ static int rsi_load_radio_caps(struct rsi_common *common) { struct rsi_radio_caps *radio_caps; struct rsi_hw *adapter = common->priv; - struct ieee80211_hw *hw = adapter->hw; u16 inx = 0; u8 ii; u8 radio_id = 0; @@ -286,7 +285,6 @@ static int rsi_load_radio_caps(struct rsi_common *common) 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0}; - struct ieee80211_conf *conf = &hw->conf; struct sk_buff *skb; rsi_dbg(INFO_ZONE, "%s: Sending rate symbol req frame\n", __func__); @@ -308,26 +306,26 @@ static int rsi_load_radio_caps(struct rsi_common *common) if (common->channel_width == BW_40MHZ) { radio_caps->desc_word[7] |= cpu_to_le16(RSI_LMAC_CLOCK_80MHZ); radio_caps->desc_word[7] |= cpu_to_le16(RSI_ENABLE_40MHZ); - if (common->channel_width) { - radio_caps->desc_word[5] = - cpu_to_le16(common->channel_width << 12); - radio_caps->desc_word[5] |= cpu_to_le16(FULL40M_ENABLE); - } - if (conf_is_ht40_minus(conf)) { - radio_caps->desc_word[5] = 0; - radio_caps->desc_word[5] |= - cpu_to_le16(LOWER_20_ENABLE); - radio_caps->desc_word[5] |= - cpu_to_le16(LOWER_20_ENABLE >> 12); - } - - if (conf_is_ht40_plus(conf)) { - radio_caps->desc_word[5] = 0; - radio_caps->desc_word[5] |= - cpu_to_le16(UPPER_20_ENABLE); - radio_caps->desc_word[5] |= - cpu_to_le16(UPPER_20_ENABLE >> 12); + if (common->fsm_state == FSM_MAC_INIT_DONE) { + struct ieee80211_hw *hw = adapter->hw; + struct ieee80211_conf *conf = &hw->conf; + if (conf_is_ht40_plus(conf)) { + radio_caps->desc_word[5] = + cpu_to_le16(LOWER_20_ENABLE); + radio_caps->desc_word[5] |= + cpu_to_le16(LOWER_20_ENABLE >> 12); + } else if (conf_is_ht40_minus(conf)) { + radio_caps->desc_word[5] = + cpu_to_le16(UPPER_20_ENABLE); + radio_caps->desc_word[5] |= + cpu_to_le16(UPPER_20_ENABLE >> 12); + } else { + radio_caps->desc_word[5] = + cpu_to_le16(BW_40MHZ << 12); + radio_caps->desc_word[5] |= + cpu_to_le16(FULL40M_ENABLE); + } } } diff --git a/drivers/net/wireless/rsi/rsi_91x_pkt.c b/drivers/net/wireless/rsi/rsi_91x_pkt.c index 229ef3aeaaaf..702593f19997 100644 --- a/drivers/net/wireless/rsi/rsi_91x_pkt.c +++ b/drivers/net/wireless/rsi/rsi_91x_pkt.c @@ -81,6 +81,10 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) /* Send fixed rate */ frame_desc[3] = cpu_to_le16(RATE_INFO_ENABLE); frame_desc[4] = cpu_to_le16(common->min_rate); + + if (conf_is_ht40(&common->priv->hw->conf)) + frame_desc[5] = cpu_to_le16(FULL40M_ENABLE); + if (common->vif_info[0].sgi) { if (common->min_rate & 0x100) /* Only MCS rates */ frame_desc[4] |= @@ -122,6 +126,8 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, struct ieee80211_hdr *wh = NULL; struct ieee80211_tx_info *info; struct ieee80211_bss_conf *bss = NULL; + struct ieee80211_hw *hw = adapter->hw; + struct ieee80211_conf *conf = &hw->conf; struct skb_info *tx_params; int status = -E2BIG; __le16 *msg = NULL; @@ -181,6 +187,11 @@ int rsi_send_mgmt_pkt(struct rsi_common *common, else msg[4] = cpu_to_le16((RSI_RATE_6 & 0x0f) | RSI_11G_MODE); + if (conf_is_ht40(conf)) { + msg[4] = cpu_to_le16(0xB | RSI_11G_MODE); + msg[5] = cpu_to_le16(0x6); + } + /* Indicate to firmware to give cfm */ if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) { msg[1] |= cpu_to_le16(BIT(10)); -- 2.34.1