From 5dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Thu, 22 Oct 2009 20:20:29 +0200 Subject: [PATCH] mwl8k: report rate and other information for received frames When receiving a frame, report the antenna info, long/short preamble status, 20/40 MHz flag, long/short guard interval status, MCS/legacy rate status, and MCS/legacy rate index to the stack. Signed-off-by: Lennert Buytenhek Signed-off-by: John W. Linville --- drivers/net/wireless/mwl8k.c | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 76c9263f70ac..75c9261abad8 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -169,7 +169,7 @@ struct mwl8k_priv { /* PHY parameters */ struct ieee80211_supported_band band; struct ieee80211_channel channels[14]; - struct ieee80211_rate rates[12]; + struct ieee80211_rate rates[13]; bool radio_on; bool radio_short_preamble; @@ -208,7 +208,7 @@ struct mwl8k_vif { * Subset of supported legacy rates. * Intersection of AP and STA supported rates. */ - struct ieee80211_rate legacy_rates[12]; + struct ieee80211_rate legacy_rates[13]; /* number of supported legacy rates */ u8 legacy_nrates; @@ -240,9 +240,10 @@ static const struct ieee80211_rate mwl8k_rates[] = { { .bitrate = 10, .hw_value = 2, }, { .bitrate = 20, .hw_value = 4, }, { .bitrate = 55, .hw_value = 11, }, + { .bitrate = 110, .hw_value = 22, }, + { .bitrate = 220, .hw_value = 44, }, { .bitrate = 60, .hw_value = 12, }, { .bitrate = 90, .hw_value = 18, }, - { .bitrate = 110, .hw_value = 22, }, { .bitrate = 120, .hw_value = 24, }, { .bitrate = 180, .hw_value = 36, }, { .bitrate = 240, .hw_value = 48, }, @@ -601,7 +602,7 @@ struct ewc_ht_info { /* Peer Entry flags - used to define the type of the peer node */ #define MWL8K_PEER_TYPE_ACCESSPOINT 2 -#define MWL8K_IEEE_LEGACY_DATA_RATES 12 +#define MWL8K_IEEE_LEGACY_DATA_RATES 13 #define MWL8K_MCS_BITMAP_SIZE 16 struct peer_capability_info { @@ -751,6 +752,13 @@ struct mwl8k_rx_desc { #define MWL8K_RX_DESCS 256 #define MWL8K_RX_MAXSZ 3800 +#define RATE_INFO_SHORTPRE 0x8000 +#define RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) +#define RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) +#define RATE_INFO_40MHZ 0x0004 +#define RATE_INFO_SHORTGI 0x0002 +#define RATE_INFO_MCS_FORMAT 0x0001 + static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) { struct mwl8k_priv *priv = hw->priv; @@ -907,6 +915,7 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit) struct ieee80211_rx_status status; unsigned long addr; struct ieee80211_hdr *wh; + u16 rate_info; rx_desc = rxq->rx_desc_area + rxq->rx_head; if (!(rx_desc->rx_ctrl & MWL8K_RX_CTRL_OWNED_BY_HOST)) @@ -938,14 +947,24 @@ static int rxq_process(struct ieee80211_hw *hw, int index, int limit) if (mwl8k_capture_bssid(priv, wh)) mwl8k_save_beacon(hw, skb); + rate_info = le16_to_cpu(rx_desc->rate_info); + memset(&status, 0, sizeof(status)); status.mactime = 0; status.signal = -rx_desc->rssi; status.noise = -rx_desc->noise_level; status.qual = rx_desc->link_quality; - status.antenna = 1; - status.rate_idx = 1; + status.antenna = RATE_INFO_ANTSELECT(rate_info); + status.rate_idx = RATE_INFO_RATEID(rate_info); status.flag = 0; + if (rate_info & RATE_INFO_SHORTPRE) + status.flag |= RX_FLAG_SHORTPRE; + if (rate_info & RATE_INFO_40MHZ) + status.flag |= RX_FLAG_40MHZ; + if (rate_info & RATE_INFO_SHORTGI) + status.flag |= RX_FLAG_SHORT_GI; + if (rate_info & RATE_INFO_MCS_FORMAT) + status.flag |= RX_FLAG_HT; status.band = IEEE80211_BAND_2GHZ; status.freq = ieee80211_channel_to_frequency(rx_desc->channel); memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); -- 2.20.1