diff options
| author |   Oleksij Rempel <linux@rempel-privat.de> | 2014-02-25 14:48:52 +0100 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2014-02-28 14:33:13 -0500 |
| commit | b60d105242ac457dab057f676c8aaa20d1821b10 (patch) | |
| tree | ad597a468b33c5afe0f6866a7823200d04630c1f /drivers/net/wireless/ath/ath9k/common-init.c | |
| parent | ath9k_htc: use ath9k_cmn_init_channels_rates (diff) | |
| download | linux-dev-b60d105242ac457dab057f676c8aaa20d1821b10.tar.xz linux-dev-b60d105242ac457dab057f676c8aaa20d1821b10.zip | |
ath9k: move setup_ht_cap to common-init
and rename it to ath9k_cmn_setup_ht_cap
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common-init.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/common-init.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common-init.c b/drivers/net/wireless/ath/ath9k/common-init.c index 1fa30c3b7d53..8e2fa0385c58 100644 --- a/drivers/net/wireless/ath/ath9k/common-init.c +++ b/drivers/net/wireless/ath/ath9k/common-init.c @@ -168,3 +168,61 @@ int ath9k_cmn_init_channels_rates(struct ath_common *common) return 0; } EXPORT_SYMBOL(ath9k_cmn_init_channels_rates); + +void ath9k_cmn_setup_ht_cap(struct ath_hw *ah, + struct ieee80211_sta_ht_cap *ht_info) +{ + struct ath_common *common = ath9k_hw_common(ah); + u8 tx_streams, rx_streams; + int i, max_streams; + + ht_info->ht_supported = true; + ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_SM_PS | + IEEE80211_HT_CAP_SGI_40 | + IEEE80211_HT_CAP_DSSSCCK40; + + if (ah->caps.hw_caps & ATH9K_HW_CAP_LDPC) + ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; + + if (ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; + + ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; + + if (AR_SREV_9330(ah) || AR_SREV_9485(ah) || AR_SREV_9565(ah)) + max_streams = 1; + else if (AR_SREV_9462(ah)) + max_streams = 2; + else if (AR_SREV_9300_20_OR_LATER(ah)) + max_streams = 3; + else + max_streams = 2; + + if (AR_SREV_9280_20_OR_LATER(ah)) { + if (max_streams >= 2) + ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; + ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + } + + /* set up supported mcs set */ + memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); + tx_streams = ath9k_cmn_count_streams(ah->txchainmask, max_streams); + rx_streams = ath9k_cmn_count_streams(ah->rxchainmask, max_streams); + + ath_dbg(common, CONFIG, "TX streams %d, RX streams: %d\n", + tx_streams, rx_streams); + + if (tx_streams != rx_streams) { + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; + ht_info->mcs.tx_params |= ((tx_streams - 1) << + IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); + } + + for (i = 0; i < rx_streams; i++) + ht_info->mcs.rx_mask[i] = 0xff; + + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; +} +EXPORT_SYMBOL(ath9k_cmn_setup_ht_cap); |