diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2016-03-31 20:02:09 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2016-04-06 14:18:17 +0300 |
| commit | 0f9c5a61d4b2330b12c59126aa5a9108dbfce555 (patch) | |
| tree | 6d18031607d94831c71dba87fec4abfb990c6465 /net/mac80211/rx.c | |
| parent | 4f6b1b3daaf167bf927174224e07efd17ed95984 (diff) | |
| download | linux-0f9c5a61d4b2330b12c59126aa5a9108dbfce555.tar.xz | |
mac80211: fix RX u64 stats consistency on 32-bit platforms
On 32-bit platforms, the 64-bit counters we keep need to be protected
to be consistently read. Use the u64_stats_sync mechanism to do that.
In order to not end up with overly long lines, refactor the tidstats
assignments a bit.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5a6c36c3aed6..2863832b0db4 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1441,7 +1441,11 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) ieee80211_sta_rx_notify(rx->sdata, hdr); sta->rx_stats.fragments++; + + u64_stats_update_begin(&rx->sta->rx_stats.syncp); sta->rx_stats.bytes += rx->skb->len; + u64_stats_update_end(&rx->sta->rx_stats.syncp); + if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) { sta->rx_stats.last_signal = status->signal; ewma_signal_add(&sta->rx_stats_avg.signal, -status->signal); @@ -2124,7 +2128,9 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx) * for non-QoS-data frames. Here we know it's a data * frame, so count MSDUs. */ + u64_stats_update_begin(&rx->sta->rx_stats.syncp); rx->sta->rx_stats.msdu[rx->seqno_idx]++; + u64_stats_update_end(&rx->sta->rx_stats.syncp); } if ((sdata->vif.type == NL80211_IFTYPE_AP || |