diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/11n.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/11n.c | 102 |
1 files changed, 25 insertions, 77 deletions
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c index e22d761f2ef2..1d294cfa6c9b 100644 --- a/drivers/net/wireless/mwifiex/11n.c +++ b/drivers/net/wireless/mwifiex/11n.c @@ -29,95 +29,38 @@ * Fills HT capability information field, AMPDU Parameters field, HT extended * capability field, and supported MCS set fields. * - * Only the following HT capability information fields are used, all other - * fields are always turned off. + * HT capability information field, AMPDU Parameters field, supported MCS set + * fields are retrieved from cfg80211 stack * - * Bit 1 : Supported channel width (0: 20MHz, 1: Both 20 and 40 MHz) - * Bit 4 : Greenfield support (0: Not supported, 1: Supported) - * Bit 5 : Short GI for 20 MHz support (0: Not supported, 1: Supported) - * Bit 6 : Short GI for 40 MHz support (0: Not supported, 1: Supported) - * Bit 7 : Tx STBC (0: Not supported, 1: Supported) - * Bit 8-9 : Rx STBC (0: Not supported, X: Support for up to X spatial streams) - * Bit 10 : Delayed BA support (0: Not supported, 1: Supported) - * Bit 11 : Maximum AMSDU length (0: 3839 octets, 1: 7935 octets) - * Bit 14 : 40-Mhz intolerant support (0: Not supported, 1: Supported) - * - * In addition, the following AMPDU Parameters are set - - * - Maximum AMPDU length exponent (set to 3) - * - Minimum AMPDU start spacing (set to 0 - No restrictions) - * - * MCS is set for 1x1, with MSC32 for infra mode or ad-hoc mode with 40 MHz - * support. - * - * RD responder bit to set to clear in the extended capability header. + * RD responder bit to set to clear in the extended capability header. */ void -mwifiex_fill_cap_info(struct mwifiex_private *priv, +mwifiex_fill_cap_info(struct mwifiex_private *priv, u8 radio_type, struct mwifiex_ie_types_htcap *ht_cap) { - struct mwifiex_adapter *adapter = priv->adapter; - u8 *mcs; - int rx_mcs_supp; - uint16_t ht_cap_info = le16_to_cpu(ht_cap->ht_cap.cap_info); uint16_t ht_ext_cap = le16_to_cpu(ht_cap->ht_cap.extended_ht_cap_info); + struct ieee80211_supported_band *sband = + priv->wdev->wiphy->bands[radio_type]; - /* Convert dev_cap to IEEE80211_HT_CAP */ - if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; - else - ht_cap_info &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; - - if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= IEEE80211_HT_CAP_SGI_20; - else - ht_cap_info &= ~IEEE80211_HT_CAP_SGI_20; - - if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= IEEE80211_HT_CAP_SGI_40; - else - ht_cap_info &= ~IEEE80211_HT_CAP_SGI_40; - - if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= IEEE80211_HT_CAP_TX_STBC; - else - ht_cap_info &= ~IEEE80211_HT_CAP_TX_STBC; - - if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; - else - ht_cap_info &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); - - if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) - ht_cap_info |= IEEE80211_HT_CAP_GRN_FLD; - else - ht_cap_info &= ~IEEE80211_HT_CAP_GRN_FLD; - - ht_cap_info &= ~IEEE80211_HT_CAP_MAX_AMSDU; - ht_cap_info |= IEEE80211_HT_CAP_SM_PS; + ht_cap->ht_cap.ampdu_params_info = + (sband->ht_cap.ampdu_factor & + IEEE80211_HT_AMPDU_PARM_FACTOR)| + ((sband->ht_cap.ampdu_density << + IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT) & + IEEE80211_HT_AMPDU_PARM_DENSITY); - ht_cap->ht_cap.ampdu_params_info |= IEEE80211_HT_AMPDU_PARM_FACTOR; - ht_cap->ht_cap.ampdu_params_info &= ~IEEE80211_HT_AMPDU_PARM_DENSITY; - - rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); - - mcs = (u8 *)&ht_cap->ht_cap.mcs; - - /* Set MCS for 1x1 */ - memset(mcs, 0xff, rx_mcs_supp); - - /* Clear all the other values */ - memset(&mcs[rx_mcs_supp], 0, - sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); + memcpy((u8 *) &ht_cap->ht_cap.mcs, &sband->ht_cap.mcs, + sizeof(sband->ht_cap.mcs)); if (priv->bss_mode == NL80211_IFTYPE_STATION || - (ht_cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) + (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask); /* Clear RD responder bit */ ht_ext_cap &= ~IEEE80211_HT_EXT_CAP_RD_RESPONDER; - ht_cap->ht_cap.cap_info = cpu_to_le16(ht_cap_info); + ht_cap->ht_cap.cap_info = cpu_to_le16(sband->ht_cap.cap); ht_cap->ht_cap.extended_ht_cap_info = cpu_to_le16(ht_ext_cap); } @@ -391,10 +334,15 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, struct mwifiex_ie_types_2040bssco *bss_co_2040; struct mwifiex_ie_types_extcap *ext_cap; int ret_len = 0; + struct ieee80211_supported_band *sband; + u8 radio_type; if (!buffer || !*buffer) return ret_len; + radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); + sband = priv->wdev->wiphy->bands[radio_type]; + if (bss_desc->bcn_ht_cap) { ht_cap = (struct mwifiex_ie_types_htcap *) *buffer; memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap)); @@ -406,7 +354,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, sizeof(struct ieee_types_header), le16_to_cpu(ht_cap->header.len)); - mwifiex_fill_cap_info(priv, ht_cap); + mwifiex_fill_cap_info(priv, radio_type, ht_cap); *buffer += sizeof(struct mwifiex_ie_types_htcap); ret_len += sizeof(struct mwifiex_ie_types_htcap); @@ -428,8 +376,8 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, sizeof(struct ieee_types_header), le16_to_cpu(ht_info->header.len)); - if (!ISSUPP_CHANWIDTH40 - (priv->adapter->hw_dot_11n_dev_cap)) + if (!(sband->ht_cap.cap & + IEEE80211_HT_CAP_SUP_WIDTH_20_40)) ht_info->ht_info.ht_param &= ~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY | IEEE80211_HT_PARAM_CHA_SEC_OFFSET); @@ -451,7 +399,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, chan_list->chan_scan_param[0].radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); - if (ISSUPP_CHANWIDTH40(priv->adapter->hw_dot_11n_dev_cap) + if ((sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) && (bss_desc->bcn_ht_info->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) SET_SECONDARYCHAN(chan_list->chan_scan_param[0]. |