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| author |   Johannes Berg <johannes.berg@intel.com> | 2017-04-26 14:51:20 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-04-28 10:41:58 +0200 |
| commit | dcba665b1f4a5e986f22ac4230d536341d3ea5da (patch) | |
| tree | 8bb2a1b93cb7d5c41fa9a7a0cdd65120dcb713fe /net/mac80211/sta_info.c | |
| parent | mac80211: rename ieee80211_rx_status::vht_nss to just nss (diff) | |
| download | linux-dev-dcba665b1f4a5e986f22ac4230d536341d3ea5da.tar.xz linux-dev-dcba665b1f4a5e986f22ac4230d536341d3ea5da.zip | |
mac80211: use bitfield macros for encoded rate
Instead of hand-coding the bit manipulations, use the bitfield
macros to generate the code for the encoded bitrate.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 81ec1f72518d..464566c662c5 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2,7 +2,7 @@ * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2013-2014 Intel Mobile Communications GmbH - * Copyright (C) 2015 - 2016 Intel Deutschland GmbH + * Copyright (C) 2015 - 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -1957,27 +1957,32 @@ sta_get_last_rx_stats(struct sta_info *sta) static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate, struct rate_info *rinfo) { - rinfo->bw = (rate & STA_STATS_RATE_BW_MASK) >> - STA_STATS_RATE_BW_SHIFT; + rinfo->bw = STA_STATS_GET(BW, rate); - switch (rate & STA_STATS_RATE_TYPE_MASK) { + switch (STA_STATS_GET(TYPE, rate)) { case STA_STATS_RATE_TYPE_VHT: rinfo->flags = RATE_INFO_FLAGS_VHT_MCS; - rinfo->mcs = rate & 0xf; - rinfo->nss = (rate & 0xf0) >> 4; + rinfo->mcs = STA_STATS_GET(VHT_MCS, rate); + rinfo->nss = STA_STATS_GET(VHT_NSS, rate); + if (STA_STATS_GET(SGI, rate)) + rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; break; case STA_STATS_RATE_TYPE_HT: rinfo->flags = RATE_INFO_FLAGS_MCS; - rinfo->mcs = rate & 0xff; + rinfo->mcs = STA_STATS_GET(HT_MCS, rate); + if (STA_STATS_GET(SGI, rate)) + rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; break; case STA_STATS_RATE_TYPE_LEGACY: { struct ieee80211_supported_band *sband; u16 brate; unsigned int shift; + int band = STA_STATS_GET(LEGACY_BAND, rate); + int rate_idx = STA_STATS_GET(LEGACY_IDX, rate); rinfo->flags = 0; - sband = local->hw.wiphy->bands[(rate >> 4) & 0xf]; - brate = sband->bitrates[rate & 0xf].bitrate; + sband = local->hw.wiphy->bands[band]; + brate = sband->bitrates[rate_idx].bitrate; if (rinfo->bw == RATE_INFO_BW_5) shift = 2; else if (rinfo->bw == RATE_INFO_BW_10) @@ -1988,9 +1993,6 @@ static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate, break; } } - - if (rate & STA_STATS_RATE_SGI) - rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; } static int sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo) |