Am 12.11.2020 um 12:09 schrieb Lev Stipakov:
> Commit d3fd65484c781 ("net: core: add dev_sw_netstats_tx_add")
> has added function "dev_sw_netstats_tx_add()" to update
> net device per-cpu TX stats.
>
> Use this function instead of ieee80211_tx_stats().
>
I think you can do the same with ieee80211_rx_stats().
> Signed-off-by: Lev Stipakov <lev@xxxxxxxxxxx>
> ---
> net/mac80211/tx.c | 16 +++-------------
> 1 file changed, 3 insertions(+), 13 deletions(-)
>
> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index 5f05f4651dd7..7807f8178527 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -38,16 +38,6 @@
>
> /* misc utils */
>
> -static inline void ieee80211_tx_stats(struct net_device *dev, u32 len)
> -{
> - struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);
> -
> - u64_stats_update_begin(&tstats->syncp);
> - tstats->tx_packets++;
> - tstats->tx_bytes += len;
> - u64_stats_update_end(&tstats->syncp);
> -}
> -
> static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
> struct sk_buff *skb, int group_addr,
> int next_frag_len)
> @@ -3403,7 +3393,7 @@ static void ieee80211_xmit_fast_finish(struct ieee80211_sub_if_data *sdata,
> if (key)
> info->control.hw_key = &key->conf;
>
> - ieee80211_tx_stats(skb->dev, skb->len);
> + dev_sw_netstats_tx_add(skb->dev, 1, skb->len);
>
> if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) {
> tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
> @@ -4021,7 +4011,7 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
> goto out;
> }
>
> - ieee80211_tx_stats(dev, skb->len);
> + dev_sw_netstats_tx_add(dev, 1, skb->len);
>
> ieee80211_xmit(sdata, sta, skb);
> }
> @@ -4248,7 +4238,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
>
> info->hw_queue = sdata->vif.hw_queue[skb_get_queue_mapping(skb)];
>
> - ieee80211_tx_stats(dev, skb->len);
> + dev_sw_netstats_tx_add(dev, 1, skb->len);
>
> sta->tx_stats.bytes[skb_get_queue_mapping(skb)] += skb->len;
> sta->tx_stats.packets[skb_get_queue_mapping(skb)]++;
>
