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| author | Felix Fietkau <nbd@openwrt.org> | 2010-03-07 16:29:33 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-03-07 16:29:33 +0000 |
| commit | e111568b6ddc4229a81fd07e4fca59eb5dab923c (patch) | |
| tree | bb285c0f4b40c424113da47f9147613e8af9803e /package/mac80211/patches | |
| parent | c5885e669e770031a35ab06c48d88c8c783e9545 (diff) | |
| download | upstream-e111568b6ddc4229a81fd07e4fca59eb5dab923c.tar.gz upstream-e111568b6ddc4229a81fd07e4fca59eb5dab923c.tar.bz2 upstream-e111568b6ddc4229a81fd07e4fca59eb5dab923c.zip | |
mac80211: implement .rate_update in minstrel_ht
SVN-Revision: 20033
Diffstat (limited to 'package/mac80211/patches')
| -rw-r--r-- | package/mac80211/patches/560-minstrel_ht.patch | 68 |
1 files changed, 45 insertions, 23 deletions
diff --git a/package/mac80211/patches/560-minstrel_ht.patch b/package/mac80211/patches/560-minstrel_ht.patch index 67261730cd..2eaab62ab6 100644 --- a/package/mac80211/patches/560-minstrel_ht.patch +++ b/package/mac80211/patches/560-minstrel_ht.patch @@ -68,7 +68,7 @@ --- /dev/null +++ b/net/mac80211/rc80211_minstrel_ht.c -@@ -0,0 +1,803 @@ +@@ -0,0 +1,825 @@ +/* + * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org> + * @@ -706,6 +706,39 @@ + } +} + ++static void ++minstrel_ht_update_cap(struct minstrel_ht_sta *mi, struct ieee80211_sta *sta, ++ enum nl80211_channel_type oper_chan_type) ++{ ++ struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs; ++ u16 sta_cap = sta->ht_cap.cap; ++ int i; ++ ++ if (oper_chan_type != NL80211_CHAN_HT40MINUS && ++ oper_chan_type != NL80211_CHAN_HT40PLUS) ++ sta_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ ++ for (i = 0; i < ARRAY_SIZE(mi->groups); i++) { ++ u16 req = 0; ++ ++ mi->groups[i].supported = 0; ++ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_SHORT_GI) { ++ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ++ req |= IEEE80211_HT_CAP_SGI_40; ++ else ++ req |= IEEE80211_HT_CAP_SGI_20; ++ } ++ ++ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ++ req |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ ++ if ((sta_cap & req) != req) ++ continue; ++ ++ mi->groups[i].supported = ++ mcs->rx_mask[minstrel_mcs_groups[i].streams - 1]; ++ } ++} + +static void +minstrel_ht_rate_init(void *priv, struct ieee80211_supported_band *sband, @@ -714,11 +747,8 @@ + struct minstrel_priv *mp = priv; + struct minstrel_ht_sta_priv *msp = priv_sta; + struct minstrel_ht_sta *mi = &msp->ht; -+ struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs; + struct ieee80211_local *local = hw_to_local(mp->hw); -+ int tx_streams; + int ack_dur; -+ int i; + + /* fall back to the old minstrel for legacy stations */ + if (sta && !sta->ht_cap.ht_supported) { @@ -741,28 +771,19 @@ + mi->overhead_rtscts = mi->overhead + 2 * ack_dur; + + mi->avg_ampdu_len = MINSTREL_FRAC(1, 1); -+ tx_streams = ((mcs->tx_params & IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK) >> -+ IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT) + 1; -+ -+ for (i = 0; i < ARRAY_SIZE(mi->groups); i++) { -+ u16 req = 0; -+ -+ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_SHORT_GI) { -+ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) -+ req |= IEEE80211_HT_CAP_SGI_40; -+ else -+ req |= IEEE80211_HT_CAP_SGI_20; -+ } + -+ if (minstrel_mcs_groups[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) -+ req |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; ++ minstrel_ht_update_cap(mi, sta, mp->hw->conf.channel_type); ++} + -+ if ((sta->ht_cap.cap & req) != req) -+ continue; ++static void ++minstrel_ht_rate_update(void *priv, struct ieee80211_supported_band *sband, ++ struct ieee80211_sta *sta, void *priv_sta, ++ u32 changed, enum nl80211_channel_type oper_chan_type) ++{ ++ struct minstrel_ht_sta_priv *msp = priv_sta; ++ struct minstrel_ht_sta *mi = &msp->ht; + -+ mi->groups[i].supported = -+ mcs->rx_mask[minstrel_mcs_groups[i].streams - 1]; -+ } ++ minstrel_ht_update_cap(mi, sta, oper_chan_type); +} + +static void * @@ -829,6 +850,7 @@ + .tx_status = minstrel_ht_tx_status, + .get_rate = minstrel_ht_get_rate, + .rate_init = minstrel_ht_rate_init, ++ .rate_update = minstrel_ht_rate_update, + .alloc_sta = minstrel_ht_alloc_sta, + .free_sta = minstrel_ht_free_sta, + .alloc = minstrel_ht_alloc, |