From 85af5bf829813df5571779e795b73ee498173945 Mon Sep 17 00:00:00 2001 From: Jahnavi Meher Date: Mon, 16 Jun 2014 19:46:31 +0530 Subject: rsi: Adding support for 5GHz Adding support for 5GHz. Signed-off-by: Jahnavi Meher Signed-off-by: John W. Linville --- drivers/net/wireless/rsi/rsi_91x_mac80211.c | 17 +++--- drivers/net/wireless/rsi/rsi_91x_mgmt.c | 81 +++++++++++++++++++++++++++-- drivers/net/wireless/rsi/rsi_mgmt.h | 1 + 3 files changed, 87 insertions(+), 12 deletions(-) (limited to 'drivers/net/wireless/rsi') diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index 45bdb99..4700714 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -723,17 +723,17 @@ static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw, { struct rsi_hw *adapter = hw->priv; struct rsi_common *common = adapter->priv; + enum ieee80211_band band = hw->conf.chandef.chan->band; mutex_lock(&common->mutex); + common->fixedrate_mask[band] = 0; - common->fixedrate_mask[IEEE80211_BAND_2GHZ] = 0; - - if (mask->control[IEEE80211_BAND_2GHZ].legacy == 0xfff) { - common->fixedrate_mask[IEEE80211_BAND_2GHZ] = - (mask->control[IEEE80211_BAND_2GHZ].ht_mcs[0] << 12); + if (mask->control[band].legacy == 0xfff) { + common->fixedrate_mask[band] = + (mask->control[band].ht_mcs[0] << 12); } else { - common->fixedrate_mask[IEEE80211_BAND_2GHZ] = - mask->control[IEEE80211_BAND_2GHZ].legacy; + common->fixedrate_mask[band] = + mask->control[band].legacy; } mutex_unlock(&common->mutex); @@ -980,6 +980,7 @@ int rsi_mac80211_attach(struct rsi_common *common) hw->max_tx_aggregation_subframes = 6; rsi_register_rates_channels(adapter, IEEE80211_BAND_2GHZ); + rsi_register_rates_channels(adapter, IEEE80211_BAND_5GHZ); hw->rate_control_algorithm = "AARF"; SET_IEEE80211_PERM_ADDR(hw, common->mac_addr); @@ -997,6 +998,8 @@ int rsi_mac80211_attach(struct rsi_common *common) wiphy->available_antennas_tx = 1; wiphy->bands[IEEE80211_BAND_2GHZ] = &adapter->sbands[IEEE80211_BAND_2GHZ]; + wiphy->bands[IEEE80211_BAND_5GHZ] = + &adapter->sbands[IEEE80211_BAND_5GHZ]; status = ieee80211_register_hw(hw); if (status) diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 92f584e..cbd5a7e 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -623,6 +623,9 @@ int rsi_set_vap_capabilities(struct rsi_common *common, enum opmode mode) { struct sk_buff *skb = NULL; struct rsi_vap_caps *vap_caps; + struct rsi_hw *adapter = common->priv; + struct ieee80211_hw *hw = adapter->hw; + struct ieee80211_conf *conf = &hw->conf; u16 vap_id = 0; rsi_dbg(MGMT_TX_ZONE, "%s: Sending VAP capabilities frame\n", __func__); @@ -652,13 +655,24 @@ int rsi_set_vap_capabilities(struct rsi_common *common, enum opmode mode) vap_caps->frag_threshold = cpu_to_le16(IEEE80211_MAX_FRAG_THRESHOLD); vap_caps->rts_threshold = cpu_to_le16(common->rts_threshold); - vap_caps->default_mgmt_rate = 0; - if (conf_is_ht40(&common->priv->hw->conf)) { - vap_caps->default_ctrl_rate = - cpu_to_le32(RSI_RATE_6 | FULL40M_ENABLE << 16); - } else { + vap_caps->default_mgmt_rate = cpu_to_le32(RSI_RATE_6); + + if (common->band == IEEE80211_BAND_5GHZ) { vap_caps->default_ctrl_rate = cpu_to_le32(RSI_RATE_6); + if (conf_is_ht40(&common->priv->hw->conf)) { + vap_caps->default_ctrl_rate |= + cpu_to_le32(FULL40M_ENABLE << 16); + } + } else { + vap_caps->default_ctrl_rate = cpu_to_le32(RSI_RATE_1); + if (conf_is_ht40_minus(conf)) + vap_caps->default_ctrl_rate |= + cpu_to_le32(UPPER_20_ENABLE << 16); + else if (conf_is_ht40_plus(conf)) + vap_caps->default_ctrl_rate |= + cpu_to_le32(LOWER_20_ENABLE << 16); } + vap_caps->default_data_rate = 0; vap_caps->beacon_interval = cpu_to_le16(200); vap_caps->dtim_period = cpu_to_le16(4); @@ -835,6 +849,63 @@ static int rsi_send_reset_mac(struct rsi_common *common) } /** + * rsi_band_check() - This function programs the band + * @common: Pointer to the driver private structure. + * + * Return: 0 on success, corresponding error code on failure. + */ +int rsi_band_check(struct rsi_common *common) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_hw *hw = adapter->hw; + u8 prev_bw = common->channel_width; + u8 prev_ep = common->endpoint; + struct ieee80211_channel *curchan = hw->conf.chandef.chan; + int status = 0; + + if (common->band != curchan->band) { + common->rf_reset = 1; + common->band = curchan->band; + } + + if ((hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) || + (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20)) + common->channel_width = BW_20MHZ; + else + common->channel_width = BW_40MHZ; + + if (common->band == IEEE80211_BAND_2GHZ) { + if (common->channel_width) + common->endpoint = EP_2GHZ_40MHZ; + else + common->endpoint = EP_2GHZ_20MHZ; + } else { + if (common->channel_width) + common->endpoint = EP_5GHZ_40MHZ; + else + common->endpoint = EP_5GHZ_20MHZ; + } + + if (common->endpoint != prev_ep) { + status = rsi_program_bb_rf(common); + if (status) + return status; + } + + if (common->channel_width != prev_bw) { + status = rsi_load_bootup_params(common); + if (status) + return status; + + status = rsi_load_radio_caps(common); + if (status) + return status; + } + + return status; +} + +/** * rsi_set_channel() - This function programs the channel. * @common: Pointer to the driver private structure. * @channel: Channel value to be set. diff --git a/drivers/net/wireless/rsi/rsi_mgmt.h b/drivers/net/wireless/rsi/rsi_mgmt.h index 8bff6640..f10d6c67 100644 --- a/drivers/net/wireless/rsi/rsi_mgmt.h +++ b/drivers/net/wireless/rsi/rsi_mgmt.h @@ -304,4 +304,5 @@ void rsi_core_qos_processor(struct rsi_common *common); void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb); int rsi_send_mgmt_pkt(struct rsi_common *common, struct sk_buff *skb); int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb); +int rsi_band_check(struct rsi_common *common); #endif -- cgit v1.1