diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mgmt.c')
-rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_mgmt.c | 239 |
1 files changed, 172 insertions, 67 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 2eefbf1..8d110fd 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -217,6 +217,7 @@ static void rsi_set_default_parameters(struct rsi_common *common) common->min_rate = 0xffff; common->fsm_state = FSM_CARD_NOT_READY; common->iface_down = true; + common->endpoint = EP_2GHZ_20MHZ; } /** @@ -276,7 +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; @@ -285,7 +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__); @@ -307,29 +306,36 @@ 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); + } } } + radio_caps->sifs_tx_11n = cpu_to_le16(SIFS_TX_11N_VALUE); + radio_caps->sifs_tx_11b = cpu_to_le16(SIFS_TX_11B_VALUE); + radio_caps->slot_rx_11n = cpu_to_le16(SHORT_SLOT_VALUE); + radio_caps->ofdm_ack_tout = cpu_to_le16(OFDM_ACK_TOUT_VALUE); + radio_caps->cck_ack_tout = cpu_to_le16(CCK_ACK_TOUT_VALUE); + radio_caps->preamble_type = cpu_to_le16(LONG_PREAMBLE); + radio_caps->desc_word[7] |= cpu_to_le16(radio_id << 8); for (ii = 0; ii < MAX_HW_QUEUES; ii++) { @@ -588,7 +594,7 @@ static int rsi_program_bb_rf(struct rsi_common *common) mgmt_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); mgmt_frame->desc_word[1] = cpu_to_le16(BBP_PROG_IN_TA); - mgmt_frame->desc_word[4] = cpu_to_le16(common->endpoint << 8); + mgmt_frame->desc_word[4] = cpu_to_le16(common->endpoint); if (common->rf_reset) { mgmt_frame->desc_word[7] = cpu_to_le16(RF_RESET_ENABLE); @@ -615,6 +621,9 @@ 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__); @@ -644,13 +653,24 @@ 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); @@ -827,6 +847,63 @@ 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. @@ -841,23 +918,6 @@ int rsi_set_channel(struct rsi_common *common, u16 channel) rsi_dbg(MGMT_TX_ZONE, "%s: Sending scan req frame\n", __func__); - if (common->band == IEEE80211_BAND_5GHZ) { - if ((channel >= 36) && (channel <= 64)) - channel = ((channel - 32) / 4); - else if ((channel > 64) && (channel <= 140)) - channel = ((channel - 102) / 4) + 8; - else if (channel >= 149) - channel = ((channel - 151) / 4) + 18; - else - return -EINVAL; - } else { - if (channel > 14) { - rsi_dbg(ERR_ZONE, "%s: Invalid chno %d, band = %d\n", - __func__, channel, common->band); - return -EINVAL; - } - } - skb = dev_alloc_skb(FRAME_DESC_SZ); if (!skb) { rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", @@ -877,6 +937,7 @@ int rsi_set_channel(struct rsi_common *common, u16 channel) (RSI_RF_TYPE << 4)); mgmt_frame->desc_word[5] = cpu_to_le16(0x01); + mgmt_frame->desc_word[6] = cpu_to_le16(0x12); if (common->channel_width == BW_40MHZ) mgmt_frame->desc_word[5] |= cpu_to_le16(0x1 << 8); @@ -950,7 +1011,7 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) struct ieee80211_hw *hw = common->priv->hw; u8 band = hw->conf.chandef.chan->band; u8 num_supported_rates = 0; - u8 rate_offset = 0; + u8 rate_table_offset, rate_offset = 0; u32 rate_bitmap = common->bitrate_mask[band]; u16 *selected_rates, min_rate; @@ -986,14 +1047,19 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) if (common->channel_width == BW_40MHZ) auto_rate->desc_word[7] |= cpu_to_le16(1); - if (band == IEEE80211_BAND_2GHZ) - min_rate = STD_RATE_01; - else - min_rate = STD_RATE_06; + if (band == IEEE80211_BAND_2GHZ) { + min_rate = RSI_RATE_1; + rate_table_offset = 0; + } else { + min_rate = RSI_RATE_6; + rate_table_offset = 4; + } - for (ii = 0, jj = 0; ii < ARRAY_SIZE(rsi_rates); ii++) { + for (ii = 0, jj = 0; + ii < (ARRAY_SIZE(rsi_rates) - rate_table_offset); ii++) { if (rate_bitmap & BIT(ii)) { - selected_rates[jj++] = (rsi_rates[ii].bitrate / 5); + selected_rates[jj++] = + (rsi_rates[ii + rate_table_offset].bitrate / 5); rate_offset++; } } @@ -1006,13 +1072,6 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) rate_offset += ARRAY_SIZE(mcs); } - if (rate_offset < (RSI_TBL_SZ / 2) - 1) { - for (ii = jj; ii < (RSI_TBL_SZ / 2); ii++) { - selected_rates[jj++] = min_rate; - rate_offset++; - } - } - sort(selected_rates, jj, sizeof(u16), &rsi_compare, NULL); /* mapping the rates to RSI rates */ @@ -1028,25 +1087,25 @@ static int rsi_send_auto_rate_request(struct rsi_common *common) /* loading HT rates in the bottom half of the auto rate table */ if (common->vif_info[0].is_ht) { - if (common->vif_info[0].sgi) - auto_rate->supported_rates[rate_offset++] = - cpu_to_le16(RSI_RATE_MCS7_SG); - for (ii = rate_offset, kk = ARRAY_SIZE(rsi_mcsrates) - 1; ii < rate_offset + 2 * ARRAY_SIZE(rsi_mcsrates); ii++) { - if (common->vif_info[0].sgi) + if (common->vif_info[0].sgi || + conf_is_ht40(&common->priv->hw->conf)) auto_rate->supported_rates[ii++] = cpu_to_le16(rsi_mcsrates[kk] | BIT(9)); auto_rate->supported_rates[ii] = cpu_to_le16(rsi_mcsrates[kk--]); } - for (; ii < RSI_TBL_SZ; ii++) { + for (; ii < (RSI_TBL_SZ - 1); ii++) { auto_rate->supported_rates[ii] = cpu_to_le16(rsi_mcsrates[0]); } } + for (; ii < RSI_TBL_SZ; ii++) + auto_rate->supported_rates[ii] = cpu_to_le16(min_rate); + auto_rate->num_supported_rates = cpu_to_le16(num_supported_rates * 2); auto_rate->moderate_rate_inx = cpu_to_le16(num_supported_rates / 2); auto_rate->desc_word[7] |= cpu_to_le16(0 << 8); @@ -1141,6 +1200,49 @@ static int rsi_eeprom_read(struct rsi_common *common) } /** + * This function sends a frame to block/unblock + * data queues in the firmware + * + * @param common Pointer to the driver private structure. + * @param block event - block if true, unblock if false + * @return 0 on success, -1 on failure. + */ +int rsi_send_block_unblock_frame(struct rsi_common *common, bool block_event) +{ + struct rsi_mac_frame *mgmt_frame; + struct sk_buff *skb; + + rsi_dbg(MGMT_TX_ZONE, "%s: Sending block/unblock frame\n", __func__); + + skb = dev_alloc_skb(FRAME_DESC_SZ); + if (!skb) { + rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", + __func__); + return -ENOMEM; + } + + memset(skb->data, 0, FRAME_DESC_SZ); + mgmt_frame = (struct rsi_mac_frame *)skb->data; + + mgmt_frame->desc_word[0] = cpu_to_le16(RSI_WIFI_MGMT_Q << 12); + mgmt_frame->desc_word[1] = cpu_to_le16(BLOCK_HW_QUEUE); + + if (block_event == true) { + rsi_dbg(INFO_ZONE, "blocking the data qs\n"); + mgmt_frame->desc_word[4] = cpu_to_le16(0xf); + } else { + rsi_dbg(INFO_ZONE, "unblocking the data qs\n"); + mgmt_frame->desc_word[5] = cpu_to_le16(0xf); + } + + skb_put(skb, FRAME_DESC_SZ); + + return rsi_send_internal_mgmt_frame(common, skb); + +} + + +/** * rsi_handle_ta_confirm_type() - This function handles the confirm frames. * @common: Pointer to the driver private structure. * @msg: Pointer to received packet. @@ -1164,7 +1266,7 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common, common->fsm_state = FSM_EEPROM_READ_MAC_ADDR; } } else { - rsi_dbg(ERR_ZONE, + rsi_dbg(INFO_ZONE, "%s: Received bootup params cfm in %d state\n", __func__, common->fsm_state); return 0; @@ -1227,7 +1329,7 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common, __func__); } } else { - rsi_dbg(ERR_ZONE, + rsi_dbg(INFO_ZONE, "%s: Received radio caps cfm in %d state\n", __func__, common->fsm_state); return 0; @@ -1245,7 +1347,10 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common, return rsi_mac80211_attach(common); } } else { - goto out; + rsi_dbg(INFO_ZONE, + "%s: Received bbb_rf cfm in %d state\n", + __func__, common->fsm_state); + return 0; } break; |