From 3af6334c9e4fbf41ef0ebd3b4d5762f26b675c40 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 27 Feb 2011 22:08:01 +0100 Subject: mac80211: add support for showing the last rx bitrate Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- net/mac80211/cfg.c | 31 ++++++++++++++++++++++--------- net/mac80211/rx.c | 11 ++++++++++- net/mac80211/sta_info.h | 4 ++++ 3 files changed, 36 insertions(+), 10 deletions(-) (limited to 'net/mac80211') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8b436c768c4e..7b701dcddb50 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -316,6 +316,17 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, return 0; } +static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) +{ + if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { + struct ieee80211_supported_band *sband; + sband = sta->local->hw.wiphy->bands[ + sta->local->hw.conf.channel->band]; + rate->legacy = sband->bitrates[idx].bitrate; + } else + rate->mcs = idx; +} + static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) { struct ieee80211_sub_if_data *sdata = sta->sdata; @@ -330,6 +341,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) STATION_INFO_TX_RETRIES | STATION_INFO_TX_FAILED | STATION_INFO_TX_BITRATE | + STATION_INFO_RX_BITRATE | STATION_INFO_RX_DROP_MISC; sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); @@ -355,15 +367,16 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; - - if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { - struct ieee80211_supported_band *sband; - sband = sta->local->hw.wiphy->bands[ - sta->local->hw.conf.channel->band]; - sinfo->txrate.legacy = - sband->bitrates[sta->last_tx_rate.idx].bitrate; - } else - sinfo->txrate.mcs = sta->last_tx_rate.idx; + rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); + + sinfo->rxrate.flags = 0; + if (sta->last_rx_rate_flag & RX_FLAG_HT) + sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; + if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) + sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) + sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); if (ieee80211_vif_is_mesh(&sdata->vif)) { #ifdef CONFIG_MAC80211_MESH diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5b534235d6be..5c1930ba8ebe 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1156,14 +1156,23 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) { u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len, NL80211_IFTYPE_ADHOC); - if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0) + if (compare_ether_addr(bssid, rx->sdata->u.ibss.bssid) == 0) { sta->last_rx = jiffies; + if (ieee80211_is_data(hdr->frame_control)) { + sta->last_rx_rate_idx = status->rate_idx; + sta->last_rx_rate_flag = status->flag; + } + } } else if (!is_multicast_ether_addr(hdr->addr1)) { /* * Mesh beacons will update last_rx when if they are found to * match the current local configuration when processed. */ sta->last_rx = jiffies; + if (ieee80211_is_data(hdr->frame_control)) { + sta->last_rx_rate_idx = status->rate_idx; + sta->last_rx_rate_flag = status->flag; + } } if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index ca0b69060ef7..57681149e37f 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -209,6 +209,8 @@ enum plink_state { * @rate_ctrl_priv: rate control private per-STA pointer * @last_tx_rate: rate used for last transmit, to report to userspace as * "the" transmit rate + * @last_rx_rate_idx: rx status rate index of the last data packet + * @last_rx_rate_flag: rx status flag of the last data packet * @lock: used for locking all fields that require locking, see comments * in the header file. * @flaglock: spinlock for flags accesses @@ -311,6 +313,8 @@ struct sta_info { unsigned long tx_bytes; unsigned long tx_fragments; struct ieee80211_tx_rate last_tx_rate; + int last_rx_rate_idx; + int last_rx_rate_flag; u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; /* -- cgit v1.2.3